.page-products {
  position: relative;
  background: var(--bg-site);
  color: var(--text-primary);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-products h1,
.page-products h2,
.page-products h3 {
  font-family: var(--font-heading);
  line-height: 1.25;
}

.page-products .container {
  padding-left: 24px;
  padding-right: 24px;
}

.page-products .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 20px 24px 0;
  font-size: 13px;
  color: var(--text-tertiary);
}

.page-products .breadcrumb a {
  color: var(--text-tertiary);
  text-decoration: none;
  transition: color var(--dur) var(--ease-out);
}

.page-products .breadcrumb a:hover {
  color: var(--color-yellow);
}

.page-products .breadcrumb__sep {
  color: var(--text-tertiary);
}

/* ===== 首屏 ===== */
.page-products .product-hero {
  position: relative;
  padding: 56px 24px 72px;
  background:
    radial-gradient(ellipse at 78% 18%, rgba(0, 229, 255, 0.14), transparent 48%),
    radial-gradient(ellipse at 10% 86%, rgba(255, 64, 129, 0.12), transparent 46%);
  overflow: hidden;
}

.page-products .product-hero::after {
  content: "";
  position: absolute;
  right: -60px;
  bottom: -32px;
  width: 220px;
  height: 220px;
  background: linear-gradient(135deg, transparent 50%, rgba(255, 215, 0, 0.09) 50%);
  transform: skewX(-14deg);
  pointer-events: none;
}

.page-products .product-hero__inner {
  max-width: var(--container-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 48px;
  position: relative;
  z-index: 1;
}

.page-products .product-hero__copy {
  min-width: 0;
}

.page-products .product-hero .section-kicker {
  color: var(--color-cyan);
  font-family: var(--font-code);
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 14px;
  display: block;
}

.page-products .product-hero h1 {
  margin: 0 0 18px;
  font-size: 42px;
  line-height: 1.14;
  letter-spacing: 0.01em;
  color: var(--color-white);
}

.page-products .product-hero__highlight {
  color: var(--color-yellow);
}

.page-products .product-hero__desc {
  max-width: 540px;
  margin: 0;
  color: var(--text-secondary);
  font-size: 16px;
  line-height: 1.8;
}

.page-products .product-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.page-products .product-hero__download {
  animation: app-breathe 2.6s ease-in-out infinite;
}

@keyframes app-breathe {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(255, 215, 0, 0.44);
  }
  50% {
    box-shadow: 0 0 20px 6px rgba(255, 215, 0, 0.22);
  }
}

.page-products .qr-download {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 28px;
  padding: 14px;
  max-width: 340px;
  background: rgba(255, 255, 255, 0.04);
  border: var(--border-hairline);
  border-radius: var(--radius);
}

.page-products .qr-download__img {
  width: 96px;
  height: 96px;
  flex-shrink: 0;
  object-fit: cover;
  border-radius: 8px;
  background: var(--color-white);
}

.page-products .qr-download__text {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-products .qr-download__text strong {
  color: var(--color-white);
  font-size: 15px;
}

.page-products .qr-download__text span {
  color: var(--text-tertiary);
  font-size: 13px;
  line-height: 1.55;
}

/* ===== 手机模型 ===== */
.page-products .phone-scene {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 540px;
}

.page-products .phone-scene__halo {
  position: absolute;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.15) 0%, rgba(0, 229, 255, 0.04) 48%, transparent 72%);
  animation: app-halo-pulse 3.2s ease-in-out infinite;
  pointer-events: none;
}

.page-products .phone-scene__ring {
  position: absolute;
  width: 290px;
  height: 470px;
  border-radius: 140px;
  border: 1px dashed rgba(255, 215, 0, 0.26);
  pointer-events: none;
}

.page-products .phone-model {
  position: relative;
  width: 260px;
  height: 526px;
  background: #0d0d0d;
  border: 8px solid #2a2a2a;
  border-radius: 44px;
  box-shadow:
    0 24px 70px rgba(0, 0, 0, 0.5),
    0 0 0 1px rgba(255, 255, 255, 0.05),
    0 0 70px rgba(0, 229, 255, 0.10);
  z-index: 1;
}

.page-products .phone-model__screen {
  position: absolute;
  top: 10px;
  left: 10px;
  right: 10px;
  bottom: 10px;
  border-radius: 32px;
  overflow: hidden;
  background: #0f0f0f;
  z-index: 1;
}

.page-products .phone-model__screen img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-products .phone-model__speaker {
  position: absolute;
  top: 24px;
  left: 50%;
  transform: translateX(-50%);
  width: 66px;
  height: 6px;
  background: #1f1f1f;
  border-radius: 999px;
  z-index: 3;
  opacity: 0.9;
}

.page-products .phone-model__home {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: 88px;
  height: 6px;
  background: #2e2e2e;
  border-radius: 999px;
  z-index: 3;
}

.page-products .phone-scene__dot {
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-yellow);
  animation: app-dot-float 2.8s ease-in-out infinite alternate;
  pointer-events: none;
}

.page-products .phone-scene__dot--1 {
  top: 7%;
  right: 4%;
}

.page-products .phone-scene__dot--2 {
  bottom: 16%;
  left: 2%;
  background: var(--color-magenta);
  animation-delay: 0.4s;
}

.page-products .phone-scene__dot--3 {
  top: 43%;
  right: 0;
  background: var(--color-cyan);
  animation-delay: 0.8s;
}

@keyframes app-halo-pulse {
  0%, 100% {
    opacity: 0.7;
    transform: scale(0.96);
  }
  50% {
    opacity: 1;
    transform: scale(1.05);
  }
}

@keyframes app-dot-float {
  from {
    transform: translateY(-8px);
    opacity: 0.4;
  }
  to {
    transform: translateY(10px);
    opacity: 1;
  }
}

/* ===== 功能亮点 ===== */
.page-products .feature-section {
  position: relative;
  padding: 72px 0 80px;
}

.page-products .section-head {
  max-width: 760px;
  margin-bottom: 40px;
}

.page-products .section-head h2 {
  margin: 10px 0 12px;
  font-size: 30px;
  line-height: 1.2;
  color: var(--color-white);
}

.page-products .section-head .section-desc {
  margin: 0;
  color: var(--text-secondary);
  font-size: 16px;
  line-height: 1.75;
}

.page-products .features-visual {
  display: flex;
  justify-content: center;
  margin: 0 auto 36px;
  padding: 8px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.10), rgba(255, 64, 129, 0.04) 72%);
}

.page-products .features-visual img {
  width: 180px;
  height: 180px;
  object-fit: cover;
  border-radius: 50%;
  display: block;
}

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

.page-products .feature-card {
  position: relative;
  background: var(--bg-deep);
  border: var(--border-hairline);
  border-radius: 12px;
  padding: 26px 24px 24px;
  transition: transform var(--dur) var(--ease-out), border-color var(--dur), box-shadow var(--dur);
}

.page-products .feature-card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 3px;
  height: 100%;
  border-radius: 0 12px 12px 0;
  background: linear-gradient(
    180deg,
    var(--color-yellow),
    var(--color-magenta),
    var(--color-cyan)
  );
  opacity: 0;
  transition: opacity var(--dur) var(--ease-out);
}

.page-products .feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 229, 255, 0.25);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}

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

.page-products .feature-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 46px;
  height: 46px;
  padding: 0 16px;
  border-radius: 12px;
  font-family: var(--font-code);
  font-size: 15px;
  font-weight: 700;
  background: rgba(255, 215, 0, 0.12);
  color: var(--color-yellow);
  margin-bottom: 16px;
}

.page-products .feature-card__icon--magenta {
  background: rgba(255, 64, 129, 0.12);
  color: var(--color-magenta);
}

.page-products .feature-card__icon--cyan {
  background: rgba(0, 229, 255, 0.10);
  color: var(--color-cyan);
}

.page-products .feature-card__icon--tech {
  background: rgba(0, 191, 255, 0.10);
  color: var(--color-tech-blue);
}

.page-products .feature-card__icon--purple {
  background: rgba(106, 13, 173, 0.20);
  color: #b58dff;
}

.page-products .feature-card h3 {
  margin: 0 0 8px;
  font-size: 20px;
  color: var(--color-white);
}

.page-products .feature-card p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.7;
}

/* ===== 版本历史 ===== */
.page-products .version-section {
  position: relative;
  padding: 84px 0;
  overflow: hidden;
}

.page-products .version-section__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-products .version-section__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.22;
  display: block;
}

.page-products .version-section > .container {
  position: relative;
  z-index: 1;
}

.page-products .section-head--light .section-desc {
  color: var(--text-secondary);
}

.page-products .version-timeline {
  position: relative;
  margin-top: 40px;
}

.page-products .version-timeline::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--color-cyan), rgba(0, 229, 255, 0.06));
}

.page-products .version-item {
  position: relative;
  margin: 0 0 16px 28px;
  background: rgba(10, 10, 10, 0.84);
  border: var(--border-hairline);
  border-radius: 10px;
  overflow: hidden;
}

.page-products .version-item::before {
  content: "";
  position: absolute;
  left: -24px;
  top: 22px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-cyan);
  box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.15);
}

.page-products .version-item summary {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
  transition: background var(--dur) var(--ease-out);
}

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

.page-products .version-item summary:hover {
  background: rgba(255, 255, 255, 0.03);
}

.page-products .version-item summary::after {
  content: "+";
  margin-left: auto;
  font-size: 22px;
  font-weight: 700;
  color: var(--text-tertiary);
  transition: transform var(--dur) var(--ease-out), color var(--dur);
}

.page-products .version-item[open] summary::after {
  content: "–";
  color: var(--color-cyan);
}

.page-products .version-item__version {
  font-family: var(--font-code);
  font-size: 13px;
  color: var(--color-yellow);
  background: rgba(255, 215, 0, 0.10);
  border-radius: 6px;
  padding: 4px 10px;
}

.page-products .version-item__title {
  flex: 1;
  min-width: 200px;
  color: var(--color-white);
  font-size: 16px;
  font-weight: 600;
}

.page-products .version-item__body {
  padding: 0 20px 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.page-products .version-item__body ul {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .version-item__body li {
  position: relative;
  padding-left: 16px;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.75;
}

.page-products .version-item__body li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--color-magenta);
}

/* ===== 支持平台 ===== */
.page-products .platform-section {
  position: relative;
  padding: 72px 0 88px;
}

.page-products .platform-layout {
  display: grid;
  gap: 24px;
}

.page-products .platform-card {
  position: relative;
  background: var(--bg-card);
  color: var(--text-on-light);
  border-radius: 14px;
  padding: 28px 26px;
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.page-products .platform-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
}

.page-products .platform-card--ios::before {
  background: var(--color-magenta);
}

.page-products .platform-card--android::before {
  background: var(--color-cyan);
}

.page-products .platform-card__head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.page-products .platform-card__head h3 {
  margin: 0;
  font-size: 22px;
  color: var(--text-on-light);
}

.page-products .platform-card__icon {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 3px solid var(--color-magenta);
  box-shadow: inset 0 0 0 3px rgba(255, 255, 255, 0.55);
  flex-shrink: 0;
}

.page-products .platform-card--android .platform-card__icon {
  border-radius: 4px;
  border-color: var(--color-cyan);
  box-shadow: none;
}

.page-products .platform-card ul {
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
}

.page-products .platform-card li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 9px;
  font-size: 14px;
  line-height: 1.6;
  color: rgba(26, 26, 26, 0.78);
}

.page-products .platform-card li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 2px;
  background: var(--color-tech-blue);
  transform: rotate(45deg);
}

.page-products .platform-visual {
  border-radius: 14px;
  overflow: hidden;
  border: var(--border-hairline);
  background: var(--bg-deep);
}

.page-products .platform-visual img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}

.page-products .platform-note {
  margin-top: 40px;
  padding: 18px 20px;
  border-left: 3px solid var(--color-yellow);
  background: rgba(255, 215, 0, 0.06);
  border-radius: 0 10px 10px 0;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.8;
}

.page-products .platform-note p {
  margin: 0;
}

.page-products .platform-note a {
  color: var(--color-cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur), color var(--dur);
}

.page-products .platform-note a:hover {
  border-bottom-color: var(--color-cyan);
}

/* ===== 响应式：平板 ≥640px ===== */
@media (min-width: 640px) {
  .page-products .product-hero h1 {
    font-size: 52px;
  }

  .page-products .features-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
  }

  .page-products .platform-layout {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .platform-visual {
    grid-column: 1 / -1;
  }

  .page-products .version-item summary {
    flex-wrap: nowrap;
  }
}

/* ===== 响应式：桌面 ≥960px ===== */
@media (min-width: 960px) {
  .page-products .product-hero {
    padding: 76px 24px 96px;
  }

  .page-products .product-hero__inner {
    display: grid;
    grid-template-columns: 1.06fr 0.94fr;
    align-items: center;
    gap: 48px;
  }

  .page-products .phone-scene {
    order: 2;
    min-height: 580px;
  }

  .page-products .phone-model {
    width: 284px;
    height: 574px;
  }

  .page-products .phone-scene__halo {
    width: 420px;
    height: 420px;
  }

  .page-products .phone-scene__ring {
    width: 320px;
    height: 510px;
  }

  .page-products .feature-section {
    padding: 96px 0 104px;
  }

  .page-products .features-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
  }

  .page-products .feature-card:nth-child(3n + 2) {
    margin-top: 32px;
  }

  .page-products .feature-card {
    padding: 28px 26px;
  }

  .page-products .section-head h2 {
    font-size: 34px;
  }

  .page-products .version-section {
    padding: 108px 0;
  }

  .page-products .version-timeline {
    max-width: 860px;
    margin-left: 0;
    margin-right: auto;
  }

  .page-products .platform-section {
    padding: 96px 0 112px;
  }

  .page-products .platform-layout {
    gap: 28px;
  }

  .page-products .platform-card {
    padding: 32px 30px;
  }
}