.page-products {
  --pd-radius-lg: 24px;
  --pd-radius-md: 14px;
  overflow-x: hidden;
}

/* ========== 下载入口 Hero ========== */
.page-products .pd-hero {
  position: relative;
  padding: 112px 0 72px;
  background: linear-gradient(135deg, var(--dark-purple) 0%, var(--deep-green) 55%, var(--pitch-green-deep) 100%);
  color: var(--white);
  overflow: hidden;
}

.page-products .pd-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(700px 420px at 82% 12%, rgba(94, 53, 177, .5), transparent 70%),
    radial-gradient(560px 360px at 6% 88%, rgba(255, 87, 34, .24), transparent 70%);
  pointer-events: none;
}

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

.page-products .pd-hero .breadcrumb {
  margin-bottom: 36px;
}

.page-products .pd-hero .breadcrumb-link,
.page-products .pd-hero .breadcrumb-current {
  color: rgba(255, 255, 255, .78);
}

.page-products .pd-hero .breadcrumb-link:hover {
  color: var(--white);
}

.page-products .pd-hero-layout {
  display: grid;
  gap: 56px;
}

.page-products .pd-app-badge {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 20px;
  padding: 10px 18px 10px 12px;
  backdrop-filter: blur(6px);
}

.page-products .pd-app-logo {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(140deg, var(--pitch-green), var(--night-purple));
  color: var(--white);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.page-products .pd-app-logo svg {
  width: 34px;
  height: 34px;
}

.page-products .pd-app-badge-text {
  display: flex;
  flex-direction: column;
}

.page-products .pd-app-name {
  font-weight: 700;
  font-size: 1.05rem;
  margin: 0;
}

.page-products .pd-app-version {
  font-family: var(--accent-font);
  font-size: .8rem;
  color: rgba(255, 255, 255, .68);
  margin: 2px 0 0;
}

.page-products .pd-hero-title {
  font-family: var(--heading-font), "Noto Sans SC", sans-serif;
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  line-height: 1.06;
  letter-spacing: .01em;
  margin: 32px 0 18px;
  max-width: 13ch;
}

.page-products .pd-hero-lead {
  margin: 0 0 28px;
  color: rgba(255, 255, 255, .82);
  font-size: 1.05rem;
  line-height: 1.78;
  max-width: 54ch;
}

.page-products .pd-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 28px 36px;
  align-items: center;
}

.page-products .pd-download-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.page-products .pd-hero .btn-outline {
  border-color: rgba(255, 255, 255, .45);
  color: var(--white);
}

.page-products .pd-hero .btn-outline:hover {
  border-color: var(--white);
  background: rgba(255, 255, 255, .08);
}

.page-products .pd-qr-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.page-products .pd-qr-box {
  width: 108px;
  height: 108px;
  padding: 10px;
  background: var(--white);
  color: var(--deep-green);
  border-radius: 16px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, .3);
}

.page-products .pd-qr-svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .pd-qr-caption {
  font-size: .78rem;
  letter-spacing: .08em;
  color: rgba(255, 255, 255, .7);
}

.page-products .pd-hero-guide {
  margin: 20px 0 0;
  font-size: .92rem;
  color: rgba(255, 255, 255, .7);
}

.page-products .pd-hero-guide a {
  color: var(--track-orange);
  text-underline-offset: 3px;
}

.page-products .pd-hero-stats {
  list-style: none;
  margin: 44px 0 0;
  padding: 28px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 18px 40px;
  border-top: 1px solid rgba(255, 255, 255, .15);
}

.page-products .pd-hero-stats li {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-products .pd-hero-stats strong {
  font-family: var(--accent-font);
  font-size: 1.7rem;
  color: var(--track-orange);
  line-height: 1.2;
}

.page-products .pd-hero-stats span {
  font-size: .82rem;
  color: rgba(255, 255, 255, .65);
}

.page-products .pd-hero-visual {
  justify-self: center;
  align-self: center;
}

.page-products .pd-phone-frame {
  width: min(300px, 72vw);
  padding: 14px;
  background: linear-gradient(160deg, #2d2f45, #171a30);
  border-radius: 40px;
  box-shadow: 0 36px 80px rgba(0, 0, 0, .45), inset 0 0 0 1.5px rgba(255, 255, 255, .08);
  transform: rotate(3deg);
}

.page-products .pd-phone-shot {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 26px;
  object-fit: cover;
}

/* ========== V4 更新亮点 ========== */
.page-products .pd-v4 {
  background: var(--moon-gray);
  padding: 84px 0;
}

.page-products .pd-section-heading {
  margin-bottom: 52px;
}

.page-products .pd-section-note {
  margin-left: auto;
  align-self: flex-end;
  font-family: var(--accent-font);
  font-size: .9rem;
  color: #667;
}

.page-products .pd-v4-layout {
  display: grid;
  gap: 52px;
  align-items: center;
}

.page-products .pd-tablet-frame {
  position: relative;
  border-radius: 24px;
  padding: 16px;
  background: linear-gradient(150deg, #22263c, #121528);
  box-shadow: var(--shadow-strong);
  transform: rotate(-2deg);
}

.page-products .pd-tablet-cam {
  display: block;
  width: 56px;
  height: 6px;
  border-radius: 6px;
  background: rgba(255, 255, 255, .12);
  margin: 0 auto 14px;
}

.page-products .pd-tablet-shot {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 14px;
  object-fit: cover;
}

.page-products .pd-v4-agenda {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-products .pd-v4-agenda-item {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 18px;
  padding: 22px 4px;
  border-bottom: 1px solid rgba(27, 59, 31, .1);
}

.page-products .pd-v4-agenda-item:first-child {
  padding-top: 0;
}

.page-products .pd-v4-agenda-num {
  font-family: var(--accent-font);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--hot-orange);
}

.page-products .pd-v4-agenda-copy h3 {
  font-size: 1.12rem;
  margin: 0 0 6px;
  color: var(--deep-green);
}

.page-products .pd-v4-agenda-copy p {
  margin: 0;
  color: #4e4e5a;
  font-size: .94rem;
  line-height: 1.68;
}

/* ========== 核心功能 ========== */
.page-products .pd-features {
  background: var(--white);
  padding: 84px 0;
}

.page-products .pd-features-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 48px;
}

.page-products .pd-feature-card {
  position: relative;
  background: var(--white);
  border: 1px solid rgba(27, 59, 31, .1);
  border-radius: var(--pd-radius-lg);
  padding: 30px;
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition), box-shadow var(--transition);
}

.page-products .pd-feature-card::before {
  content: "";
  position: absolute;
  left: 30px;
  right: 30px;
  top: 0;
  height: 5px;
  border-radius: 0 0 8px 8px;
  background: linear-gradient(90deg, var(--hot-orange), var(--track-orange));
  opacity: 0;
  transition: opacity var(--transition);
}

.page-products .pd-feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-strong);
}

.page-products .pd-feature-card:hover::before {
  opacity: 1;
}

.page-products .pd-feature-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}

.page-products .pd-feature-num {
  font-family: var(--accent-font);
  font-size: 3rem;
  line-height: 1;
  font-weight: 700;
  color: rgba(94, 53, 177, .25);
  -webkit-text-stroke: 1px rgba(94, 53, 177, .55);
}

.page-products .pd-feature-media {
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 22px;
}

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

.page-products .pd-feature-copy h3,
.page-products .pd-feature-card-solid h3 {
  font-size: 1.28rem;
  margin: 0 0 10px;
  color: var(--deep-green);
}

.page-products .pd-feature-copy p,
.page-products .pd-feature-card-solid p {
  font-size: .95rem;
  line-height: 1.7;
  color: #51515c;
  margin: 0 0 14px;
}

.page-products .pd-feature-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-products .pd-feature-list li {
  position: relative;
  padding-left: 22px;
  font-size: .9rem;
  color: #4a4a55;
}

.page-products .pd-feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 10px;
  height: 10px;
  border-radius: 3px;
  background: linear-gradient(135deg, var(--pitch-green), var(--night-purple));
}

.page-products .pd-feature-card-solid {
  background: linear-gradient(145deg, var(--deep-green), var(--dark-purple));
  color: var(--white);
  border: none;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
}

.page-products .pd-feature-card-solid .pd-feature-num {
  color: rgba(255, 255, 255, .16);
  -webkit-text-stroke: 1px rgba(255, 255, 255, .55);
  margin-bottom: 16px;
}

.page-products .pd-feature-card-solid h3 {
  color: var(--white);
}

.page-products .pd-feature-card-solid p {
  color: rgba(255, 255, 255, .74);
}

.page-products .pd-tag-solid {
  background: var(--night-purple);
  color: var(--white);
  margin-bottom: 16px;
}

/* ========== 设备适配 ========== */
.page-products .pd-devices {
  background: linear-gradient(180deg, var(--moon-gray) 0%, rgba(94, 53, 177, .08) 100%);
  padding: 84px 0;
}

.page-products .pd-devices-grid {
  display: grid;
  gap: 28px;
}

.page-products .pd-device-card {
  background: var(--white);
  border-radius: var(--pd-radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-soft);
  border-top: 5px solid var(--pitch-green);
}

.page-products .pd-device-card-tablet {
  border-top-color: var(--night-purple);
}

.page-products .pd-device-icon {
  width: 52px;
  height: 52px;
  color: var(--pitch-green);
  margin-bottom: 18px;
}

.page-products .pd-device-card-tablet .pd-device-icon {
  color: var(--night-purple);
}

.page-products .pd-device-card h3 {
  font-size: 1.25rem;
  margin: 0 0 10px;
  color: var(--deep-green);
}

.page-products .pd-device-card p {
  font-size: .95rem;
  color: #4f4f5a;
  line-height: 1.7;
  margin: 0 0 16px;
}

.page-products .pd-device-card ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-products .pd-device-card li {
  position: relative;
  padding-left: 20px;
  font-size: .9rem;
  color: #41414c;
}

.page-products .pd-device-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  border-radius: 50%;
  width: 8px;
  height: 8px;
  background: var(--track-orange);
}

.page-products .pd-sys-notes {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.page-products .pd-sys-note {
  font-family: var(--accent-font);
  font-size: .78rem;
  background: rgba(27, 59, 31, .06);
  border: 1px solid rgba(27, 59, 31, .1);
  border-radius: 999px;
  padding: 6px 14px;
  color: #475;
}

.page-products .pd-install-tips {
  margin-top: 56px;
  background: linear-gradient(135deg, var(--deep-green), var(--dark-purple));
  border-radius: var(--pd-radius-lg);
  padding: 32px;
  display: grid;
  gap: 24px;
  color: var(--white);
}

.page-products .pd-install-tips-title {
  font-family: var(--accent-font);
  font-weight: 700;
  font-size: .95rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--track-orange);
  margin: 0;
}

.page-products .pd-install-steps {
  display: grid;
  gap: 22px;
}

.page-products .pd-install-step {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 14px;
  align-items: flex-start;
}

.page-products .pd-install-step-num {
  width: 40px;
  height: 40px;
  border-radius: 14px;
  background: var(--hot-orange);
  color: var(--white);
  font-family: var(--accent-font);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 20px rgba(255, 87, 34, .3);
}

.page-products .pd-install-step p {
  margin: 0;
  font-size: .94rem;
  color: rgba(255, 255, 255, .82);
  line-height: 1.6;
  padding-top: 6px;
}

.page-products .pd-trust-note {
  font-size: .82rem;
  color: rgba(255, 255, 255, .58);
  margin: 0;
}

/* ========== 版本历史 ========== */
.page-products .pd-version {
  background: linear-gradient(140deg, var(--deep-green), var(--dark-purple));
  padding: 84px 0;
  color: var(--white);
}

.page-products .pd-version-layout {
  display: grid;
  gap: 56px;
  align-items: center;
}

.page-products .pd-version .pd-section-heading {
  margin-bottom: 0;
}

.page-products .pd-version .pd-section-note {
  color: rgba(255, 255, 255, .6);
}

.page-products .pd-version .chapter-title {
  color: var(--white);
}

.page-products .pd-version-timeline {
  list-style: none;
  margin: 52px 0 0;
  padding: 0;
  display: grid;
}

.page-products .pd-version-item {
  position: relative;
  padding: 0 0 44px 44px;
}

.page-products .pd-version-item::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 8px;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, var(--hot-orange), rgba(255, 255, 255, .15));
}

.page-products .pd-version-item:last-child::before {
  display: none;
}

.page-products .pd-version-dot {
  position: absolute;
  left: 8px;
  top: 6px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--hot-orange);
  box-shadow: 0 0 0 5px rgba(255, 87, 34, .18);
  z-index: 1;
}

.page-products .pd-version-tag {
  display: inline-block;
  font-family: var(--accent-font);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .08em;
  background: rgba(94, 53, 177, .5);
  border: 1px solid rgba(255, 255, 255, .14);
  color: var(--white);
  padding: 4px 12px;
  border-radius: 999px;
}

.page-products .pd-version-item h3 {
  font-size: 1.25rem;
  margin: 10px 0 6px;
}

.page-products .pd-version-item p {
  margin: 0;
  color: rgba(255, 255, 255, .7);
  font-size: .94rem;
  line-height: 1.65;
}

.page-products .pd-version-art {
  text-align: center;
}

.page-products .pd-version-art img {
  display: block;
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
  height: auto;
  border-radius: var(--pd-radius-lg);
  box-shadow: var(--shadow-strong);
}

.page-products .pd-version-link {
  margin-top: 28px;
  border-color: rgba(255, 255, 255, .55);
  color: var(--white);
}

.page-products .pd-version-link:hover {
  border-color: var(--white);
  background: rgba(255, 255, 255, .08);
}

/* ========== 响应式 ========== */
@media (min-width: 640px) {
  .page-products .pd-install-steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }

  .page-products .pd-devices-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
}

@media (min-width: 860px) {
  .page-products .pd-hero {
    padding: 130px 0 88px;
  }

  .page-products .pd-hero-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
  }

  .page-products .pd-hero-visual {
    justify-self: end;
  }
}

@media (min-width: 960px) {
  .page-products .pd-v4-layout {
    grid-template-columns: minmax(0, 11fr) minmax(0, 10fr);
    gap: 56px;
  }

  .page-products .pd-version-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
  }
}

@media (min-width: 1024px) {
  .page-products .pd-features-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: 48px 40px;
    align-items: start;
  }

  .page-products .pd-feature-card-2 {
    margin-top: 80px;
  }

  .page-products .pd-feature-card-3 {
    margin-top: 16px;
  }

  .page-products .pd-feature-card-4 {
    margin-top: 60px;
  }
}