/* ===== 应用中心 Products ===== */
.page-products {
  overflow-x: hidden;
  --pp-orange: #FF6B35;
  --pp-orange-deep: #E8552B;
  --pp-green: #00B87E;
  --pp-deep-blue: #1B2A4A;
  --pp-dark-blue: #0D1B2A;
  --pp-front: #F9F9F7;
}

/* Hero */
.page-products__hero {
  position: relative;
  background:
    radial-gradient(ellipse at 18% 18%, rgba(255,107,53,0.18), transparent 44%),
    radial-gradient(ellipse at 86% 78%, rgba(58,123,213,0.24), transparent 48%),
    linear-gradient(158deg, var(--pp-dark-blue) 0%, var(--pp-deep-blue) 76%);
  color: #fff;
  padding: calc(var(--kai-header-h) + 32px) 0 48px;
  overflow: hidden;
}
.page-products__hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--pp-orange), var(--pp-green));
  opacity: 0.8;
}
.page-products__hero::after {
  content: "";
  position: absolute;
  right: -110px;
  bottom: -150px;
  width: 340px;
  height: 340px;
  border: 34px solid rgba(255,107,53,0.10);
  border-radius: 50%;
  pointer-events: none;
}
.page-products__breadcrumb {
  margin-bottom: 28px;
}
.page-products__breadcrumb .kai-breadcrumb__list {
  color: rgba(255,255,255,0.72);
}
.page-products__breadcrumb a {
  color: rgba(255,255,255,0.88);
  text-decoration: none;
  transition: color var(--kai-transition);
}
.page-products__breadcrumb a:hover {
  color: var(--pp-orange);
}
.page-products__breadcrumb [aria-current="page"] {
  color: var(--kai-orange-light);
}
.page-products__hero-layout {
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.page-products__hero-copy {
  position: relative;
  z-index: 1;
}
.page-products__hero-kicker {
  color: var(--kai-orange-light);
  margin-bottom: 16px;
}
.page-products__hero-title {
  font-size: 36px;
  line-height: 1.16;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
  font-weight: 900;
}
.page-products__hero-desc {
  font-size: 16px;
  line-height: 1.7;
  color: rgba(255,255,255,0.88);
  max-width: 30em;
  margin-bottom: 24px;
}
.page-products__hero-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.page-products__version-badge {
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
  background: rgba(255,107,53,0.16);
  border: 1px solid rgba(255,107,53,0.42);
  border-radius: var(--kai-radius-pill);
  padding: 8px 18px;
  color: var(--kai-orange-light);
  font-family: var(--kai-font-mono);
  font-size: 14px;
}
.page-products__version-num {
  font-size: 24px;
  font-weight: 700;
  color: var(--pp-orange);
  letter-spacing: -0.02em;
}
.page-products__version-suffix {
  font-size: 13px;
  color: rgba(255,255,255,0.74);
}
.page-products__hero-platform {
  font-family: var(--kai-font-mono);
  font-size: 13px;
  color: rgba(255,255,255,0.64);
  letter-spacing: 0.08em;
}
.page-products__download-row {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}
.page-products__btn-download {
  box-shadow: 0 12px 28px rgba(255,107,53,0.32);
}
.page-products__btn-ghost {
  border-color: rgba(255,255,255,0.5);
  color: #fff;
}
.page-products__btn-ghost:hover {
  border-color: var(--pp-orange);
  color: var(--pp-orange);
}
.page-products__hero-media {
  position: relative;
  z-index: 1;
}
.page-products__hero-frame {
  border-radius: var(--kai-radius-lg);
  overflow: hidden;
  box-shadow: 0 28px 72px rgba(0,0,0,0.30);
  border: 1px solid rgba(255,255,255,0.12);
}
.page-products__hero-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
}
.page-products__hero-note {
  display: block;
  margin-top: 14px;
  font-size: 13px;
  font-family: var(--kai-font-mono);
  color: rgba(255,255,255,0.58);
  letter-spacing: 0.05em;
}

/* 下载区 */
.page-products__download {
  background: var(--kai-light-gray);
}
.page-products__download .kai-section__head {
  margin-bottom: 28px;
}
.page-products__download-grid {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.page-products__download-card {
  background: var(--kai-white);
  border-radius: var(--kai-radius-lg);
  padding: 28px 24px;
  box-shadow: var(--kai-shadow-sm);
  border-top: 4px solid var(--pp-orange);
}
.page-products__download-title {
  font-size: 22px;
  font-weight: 800;
  margin: 0 0 12px;
  color: var(--kk-deep-blue, #1B2A4A);
}
.page-products__download-desc {
  font-size: 15px;
  line-height: 1.7;
  color: var(--kai-dark-gray);
  margin-bottom: 22px;
}
.page-products__download-btns {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}
.page-products__btn-ios,
.page-products__btn-android {
  box-shadow: 0 10px 24px rgba(255,107,53,0.26);
}
.page-products__download-notes {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--kai-light-gray);
  padding-top: 14px;
}
.page-products__download-notes li {
  position: relative;
  padding-left: 22px;
  font-size: 14px;
  color: #666;
  line-height: 1.7;
}
.page-products__download-notes li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 9px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--pp-green);
}
.page-products__qr-box {
  background: var(--kai-white);
  border-radius: var(--kai-radius-lg);
  padding: 28px 20px;
  text-align: center;
  box-shadow: var(--kai-shadow-sm);
  border: 1px solid rgba(27,42,74,0.06);
}
.page-products__qr-img {
  width: 100%;
  height: auto;
  max-width: 260px;
  display: block;
  margin: 0 auto 12px;
  border-radius: var(--kai-radius-md);
}
.page-products__qr-tip {
  font-size: 15px;
  font-weight: 600;
  color: var(--pp-deep-blue);
  margin-bottom: 6px;
}
.page-products__qr-version {
  display: inline-block;
  font-family: var(--kai-font-mono);
  font-size: 13px;
  color: var(--pp-orange);
  background: rgba(255,107,53,0.10);
  border-radius: var(--kai-radius-pill);
  padding: 4px 14px;
}

/* 功能亮点 */
.page-products__features {
  background: var(--kai-off-white);
}
.page-products__features .kai-section__head {
  margin-bottom: 32px;
}
.page-products__features-masonry {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}
.page-products__feature-card {
  display: flex;
  flex-direction: column;
  padding: 26px 24px;
  border: 1px solid rgba(27,42,74,0.06);
  transition: transform var(--kai-transition), box-shadow var(--kai-transition), border-color var(--kai-transition);
  height: auto;
}
.page-products__feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--kai-shadow-md);
  border-color: rgba(255,107,53,0.40);
}
.page-products__feature-icon {
  width: 64px;
  height: 64px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}
.page-products__feature-icon--orange {
  background: rgba(255,107,53,0.12);
}
.page-products__feature-icon--yellow {
  background: rgba(255,184,0,0.14);
}
.page-products__feature-icon--green {
  background: rgba(0,184,126,0.12);
}
.page-products__feature-title {
  font-size: 20px;
  font-weight: 800;
  margin: 0 0 10px;
  color: var(--pp-deep-blue);
}
.page-products__feature-desc {
  font-size: 14px;
  line-height: 1.7;
  color: #555;
  margin-bottom: 14px;
}
.page-products__feature-list {
  list-style: none;
  padding: 0;
  margin: 0 0 18px;
}
.page-products__feature-list li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--kai-dark-gray);
}
.page-products__feature-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--pp-orange);
}
.page-products__feature-img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 280px;
  object-fit: cover;
  object-position: center;
  border-radius: var(--kai-radius-md);
  margin-top: auto;
}
.page-products__feature-card--tall .page-products__feature-img {
  max-height: 460px;
  object-position: top;
}

/* 版本信息 */
.page-products__changelog {
  background:
    radial-gradient(ellipse at 80% 10%, rgba(58,123,213,0.18), transparent 52%),
    linear-gradient(160deg, var(--pp-dark-blue) 0%, var(--pp-deep-blue) 84%);
  color: #fff;
}
.page-products__changelog .kai-section__head h2 {
  color: #fff;
}
.page-products__changelog-lead {
  font-size: 15px;
  line-height: 1.7;
  color: rgba(255,255,255,0.72);
  max-width: 42em;
  margin: -8px 0 32px;
}
.page-products__changelog-layout {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.page-products__changelog-entry {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--kai-radius-lg);
  padding: 24px 22px;
}
.page-products__changelog-entry--current {
  border-color: rgba(255,107,53,0.46);
  background: rgba(255,107,53,0.08);
}
.page-products__changelog-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.page-products__changelog-version {
  font-family: var(--kai-font-mono);
  font-size: 25px;
  font-weight: 700;
  color: var(--pp-orange);
  letter-spacing: -0.02em;
  margin: 0;
}
.page-products__changelog-entry:not(.page-products__changelog-entry--current) .page-products__changelog-version {
  color: var(--kai-sky-blue);
}
.page-products__changelog-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.page-products__changelog-list li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255,255,255,0.86);
}
.page-products__changelog-list li::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 12px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--pp-green);
}
.page-products__changelog-entry--current .page-products__changelog-list li::before {
  background: var(--pp-orange);
}

/* 支持平台 */
.page-products__platforms {
  background: var(--kai-off-white);
}
.page-products__platform-grid {
  gap: 24px;
}
.page-products__platform-card {
  padding: 28px 24px;
  text-align: left;
  border: 1px solid rgba(27,42,74,0.06);
  transition: transform var(--kai-transition), box-shadow var(--kai-transition);
}
.page-products__platform-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--kai-shadow-md);
}
.page-products__platform-icon {
  width: 64px;
  height: 64px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.page-products__platform-icon--ios {
  background: rgba(58,123,213,0.10);
}
.page-products__platform-icon--android {
  background: rgba(0,184,126,0.10);
}
.page-products__platform-name {
  font-size: 21px;
  font-weight: 800;
  color: var(--pp-deep-blue);
  margin: 0 0 10px;
}
.page-products__platform-desc {
  font-size: 14px;
  line-height: 1.7;
  color: #555;
  margin-bottom: 16px;
}
.page-products__platform-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* CTA */
.page-products__cta-section {
  padding-top: 56px;
  padding-bottom: 68px;
  background: var(--kai-off-white);
}
.page-products__cta-card {
  background: linear-gradient(135deg, var(--pp-orange) 0%, var(--pp-orange-deep) 100%);
  border-radius: var(--kai-radius-lg);
  padding: 40px 28px;
  text-align: center;
  color: #fff;
  box-shadow: 0 18px 48px rgba(232,85,43,0.28);
  position: relative;
  overflow: hidden;
}
.page-products__cta-card::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -80px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: rgba(255,255,255,0.10);
}
.page-products__cta-title {
  font-size: 24px;
  font-weight: 900;
  margin: 0 0 10px;
  color: #fff;
}
.page-products__cta-desc {
  font-size: 15px;
  line-height: 1.7;
  color: rgba(255,255,255,0.92);
  max-width: 30em;
  margin: 0 auto 24px;
}
.page-products__cta-row {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}
.page-products__cta-btn-primary {
  background: var(--pp-deep-blue);
  border-color: var(--pp-deep-blue);
  color: #fff;
}
.page-products__cta-btn-primary:hover {
  background: var(--pp-dark-blue);
  border-color: var(--pp-dark-blue);
  color: #fff;
}
.page-products__cta-btn-ghost {
  border-color: #fff;
  color: #fff;
}
.page-products__cta-btn-ghost:hover {
  background: rgba(255,255,255,0.14);
  border-color: #fff;
  color: #fff;
}

/* Reveal 淡入上移 */
.page-products [data-reveal] {
  opacity: 1;
}

/* Responsive */
@media (max-width: 767.98px) {
  .page-products__hero {
    padding: calc(var(--kai-header-h) + 24px) 0 40px;
  }
  .page-products__hero-title {
    font-size: 30px;
  }
  .page-products__hero-media {
    margin-top: 4px;
  }
  .page-products__download-btns .kai-btn {
    flex: 1 1 100%;
    justify-content: center;
  }
  .page-products__download-notes {
    font-size: 13px;
  }
}

@media (min-width: 768px) {
  .page-products__hero {
    padding: calc(var(--kai-header-h) + 56px) 0 72px;
  }
  .page-products__hero-layout {
    display: grid;
    grid-template-columns: 5fr 7fr;
    align-items: center;
    gap: 48px;
  }
  .page-products__hero-title {
    font-size: 46px;
  }
  .page-products__hero-desc {
    font-size: 17px;
  }
  .page-products__download-grid {
    display: grid;
    grid-template-columns: 7fr 5fr;
    align-items: stretch;
  }
  .page-products__qr-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }
  .page-products__features-masonry {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
  .page-products__feature-card--tall {
    grid-row: span 2;
  }
  .page-products__changelog-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
  .page-products__cta-card {
    padding: 52px 48px;
  }
}

@media (min-width: 1024px) {
  .page-products__features-masonry {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-products__feature-card--tall .page-products__feature-img {
    max-height: 520px;
  }
  .page-products__platform-grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-products__hero-note {
    margin-top: 18px;
  }
}

@media (min-width: 1280px) {
  .page-products__hero-title {
    font-size: 52px;
  }
  .page-products__hero-copy {
    padding-left: 12px;
  }
}

.page-products {
  --kk-deep-blue: currentColor;
}