.page-products {
  position: relative;
  isolation: isolate;
  min-height: 100vh;
  font-family: var(--font-body);
  color: var(--c-gray);
}

.page-products::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    radial-gradient(ellipse at 12% 8%, rgba(139, 0, 0, 0.18), transparent 50%),
    radial-gradient(ellipse at 88% 32%, rgba(123, 104, 238, 0.12), transparent 42%),
    linear-gradient(165deg, #0d0d0d 0%, #1a1030 48%, #2d1b4e 100%);
}

.page-products::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(115deg, rgba(255, 255, 255, 0.02) 0 1px, transparent 1px 26px),
    linear-gradient(115deg, transparent 62%, rgba(139, 0, 0, 0.08) 62.5%, transparent 63%),
    linear-gradient(115deg, transparent 78%, rgba(212, 175, 55, 0.05) 78.5%, transparent 79%);
}

.page-products .container {
  padding-top: clamp(1.5rem, 4vw, 2.5rem);
  padding-bottom: clamp(3rem, 6vw, 5rem);
}

.page-products .breadcrumb {
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-gray-dim);
}

.page-products .breadcrumb a {
  color: var(--c-gold);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-smooth);
}

.page-products .breadcrumb a:hover,
.page-products .breadcrumb a:focus-visible {
  color: var(--c-gold-bright);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-products .breadcrumb-sep {
  margin: 0 0.5em;
  color: var(--c-gold);
  opacity: 0.6;
}

/* ===== 首屏 ===== */
.pp-hero {
  margin-bottom: clamp(3rem, 7vw, 5rem);
}

.pp-hero-head {
  max-width: 46rem;
  margin-bottom: clamp(2.5rem, 6vw, 4rem);
}

.pp-hero-head h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  line-height: 1.08;
  color: var(--c-ivory);
  font-weight: 700;
  letter-spacing: 0.02em;
  text-shadow: 0 2px 30px rgba(255, 215, 0, 0.08);
  margin: 1rem 0 1.25rem;
}

.pp-hero-lead {
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  line-height: 1.85;
  color: var(--c-gray);
  max-width: 40rem;
  margin: 0 0 1.5rem;
}

.pp-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.pp-hero-meta .status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.85rem;
  font-size: 0.8rem;
  background: rgba(45, 27, 78, 0.55);
  border-left: 2px solid var(--c-gold);
  color: var(--c-ivory);
}

.pp-hero-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: center;
}

.pp-hero-device {
  display: flex;
  justify-content: center;
}

.pp-device-phone {
  position: relative;
  width: min(260px, 68vw);
  aspect-ratio: 1 / 2;
  background: linear-gradient(160deg, #1a1030 0%, #2d1b4e 60%, #3a2560 100%);
  border-radius: 36px;
  padding: 16px 10px 18px;
  box-shadow:
    var(--shadow-purple),
    inset 0 0 28px rgba(255, 215, 0, 0.045),
    0 0 0 1px rgba(212, 175, 55, 0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  transform: rotate(-2deg);
  transition: transform var(--dur-med) var(--ease-spring), box-shadow var(--dur-med) var(--ease-smooth);
}

.pp-device-phone:hover {
  transform: rotate(0deg) translateY(-6px);
  box-shadow: var(--shadow-gold), inset 0 0 28px rgba(255, 215, 0, 0.08);
}

.pp-phone-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 26px;
  display: block;
}

.pp-phone-speaker {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: 44px;
  height: 4px;
  border-radius: 999px;
  background: rgba(212, 175, 55, 0.55);
  z-index: 2;
}

.pp-phone-home {
  position: absolute;
  bottom: 26px;
  left: 50%;
  transform: translateX(-50%);
  width: 28px;
  height: 3px;
  border-radius: 999px;
  background: rgba(212, 175, 55, 0.35);
  z-index: 2;
}

.pp-hero-cards {
  display: grid;
  gap: 1.1rem;
}

.pp-hero-card-group {
  display: flex;
  gap: 0.9rem;
  align-items: stretch;
}

.pp-card-icon {
  flex-shrink: 0;
  width: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-gold);
  border: 1px solid rgba(212, 175, 55, 0.24);
  border-radius: 14px;
  background: rgba(212, 175, 55, 0.05);
  transition: background var(--dur-fast) var(--ease-smooth), border-color var(--dur-fast) var(--ease-smooth), color var(--dur-fast) var(--ease-smooth), box-shadow var(--dur-fast) var(--ease-smooth);
}

.pp-card-icon svg {
  width: 22px;
  height: auto;
  display: block;
}

.pp-card-icon:hover,
.pp-card-icon:focus-visible {
  background: rgba(212, 175, 55, 0.16);
  border-color: var(--c-gold);
  color: var(--c-gold-bright);
  box-shadow: 0 0 18px rgba(212, 175, 55, 0.18);
}

.pp-card-icon:hover + .pp-hero-card,
.pp-card-icon:focus-visible + .pp-hero-card {
  border-color: var(--c-gold);
  box-shadow: var(--shadow-gold);
  transform: translateY(-4px);
}

.pp-hero-card {
  flex: 1;
  position: relative;
  padding: 1.1rem 1.2rem;
  background: linear-gradient(145deg, rgba(26, 16, 48, 0.92), rgba(45, 27, 78, 0.88));
  border: 1px solid rgba(212, 175, 55, 0.16);
  border-radius: 16px;
  transition: border-color var(--dur-fast) var(--ease-smooth), box-shadow var(--dur-fast) var(--ease-smooth), transform var(--dur-fast) var(--ease-spring);
  backdrop-filter: blur(4px);
}

.pp-hero-card:nth-child(2) {
  transform: rotate(0.4deg) translateX(8px);
}

.pp-hero-card-group:nth-child(1) .pp-hero-card {
  transform: rotate(-1deg) translateX(-6px);
}

.pp-hero-card-group:nth-child(3) .pp-hero-card {
  transform: rotate(0.8deg) translateX(-12px);
}

.pp-card-icon:hover + .pp-hero-card,
.pp-card-icon:focus-visible + .pp-hero-card {
  transform: rotate(0deg) translateX(0) translateY(-4px);
}

.pp-card-tag {
  position: absolute;
  top: 0.9rem;
  right: 1rem;
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: var(--c-pink);
  background: rgba(230, 168, 215, 0.08);
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
}

.pp-hero-card h2 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  line-height: 1.3;
  color: var(--c-ivory);
  margin: 0 0 0.3rem;
}

.pp-hero-card p {
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--c-gray-dim);
  margin: 0 0 0.85rem;
}

.pp-hero-card .btn-gold,
.pp-hero-card .btn-ghost {
  display: inline-block;
  font-size: 0.78rem;
  padding: 0.45rem 1rem;
}

/* ===== 区块通用头 ===== */
.pp-section-head {
  max-width: 44rem;
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

.pp-section-head h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3.6vw, 2.6rem);
  line-height: 1.2;
  color: var(--c-ivory);
  margin: 0.85rem 0 0.7rem;
}

.pp-section-head > p:last-child {
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--c-gray-dim);
}

/* ===== 观看方式总览 ===== */
.pp-overview {
  margin-bottom: clamp(3.5rem, 8vw, 6rem);
  padding-top: clamp(1rem, 3vw, 2rem);
}

.pp-overview-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-bottom: clamp(2rem, 5vw, 3rem);
}

.pp-way-card {
  --way-accent: rgba(139, 0, 0, 0.28);
  position: relative;
  display: flex;
  gap: 1.25rem;
  padding: 1.4rem 1.5rem;
  background: linear-gradient(145deg, rgba(18, 16, 30, 0.95), rgba(45, 27, 78, 0.75));
  border: var(--border-gold-soft);
  border-left: 3px solid var(--c-gold);
  border-radius: 4px 16px 16px 4px;
  overflow: hidden;
  transition: border-color var(--dur-fast) var(--ease-smooth), transform var(--dur-fast) var(--ease-spring);
}

.pp-way-card:hover {
  border-color: rgba(212, 175, 55, 0.42);
  transform: translateY(-3px);
}

.pp-way-card::after {
  content: "";
  position: absolute;
  right: -30px;
  bottom: -30px;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 215, 0, 0.06), transparent 70%);
  pointer-events: none;
}

.pp-way-num {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 400;
  line-height: 1;
  color: transparent;
  -webkit-background-clip: text;
  background-clip: text;
  background-image: var(--grad-gold);
  opacity: 0.85;
  flex-shrink: 0;
  min-width: 3.2rem;
}

.pp-way-body h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  color: var(--c-ivory);
  margin: 0 0 0.4rem;
}

.pp-way-body p {
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--c-gray-dim);
  margin: 0;
}

.pp-overview-visual {
  position: relative;
  padding: 0.75rem;
  border: var(--border-gold-soft);
  border-radius: 18px;
  background: linear-gradient(150deg, rgba(139, 0, 0, 0.1), rgba(45, 27, 78, 0.35));
}

.pp-overview-visual img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
  object-fit: cover;
}

.pp-overview-visual figcaption,
.pp-download-visual figcaption,
.pp-specs-visual figcaption {
  margin-top: 0.6rem;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--c-gray-dim);
  text-align: center;
}

/* ===== 下载专区 ===== */
.pp-download {
  margin-bottom: clamp(3.5rem, 8vw, 6rem);
  padding-top: clamp(1rem, 3vw, 2rem);
}

.pp-download-visual {
  margin-bottom: clamp(2rem, 4vw, 3rem);
  padding: 0.75rem;
  border: var(--border-gold-soft);
  border-radius: 18px;
  background: linear-gradient(150deg, rgba(45, 27, 78, 0.5), rgba(26, 16, 48, 0.5));
}

.pp-download-visual img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
  object-fit: cover;
}

.pp-download-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.pp-dl-card {
  position: relative;
  padding: 1.75rem 1.5rem 1.5rem;
  background: var(--grad-purple);
  border: 1px solid rgba(212, 175, 55, 0.2);
  clip-path: polygon(18px 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%, 0 18px);
  transition: border-color var(--dur-fast) var(--ease-smooth), filter var(--dur-fast) var(--ease-smooth), transform var(--dur-fast) var(--ease-spring);
}

.pp-dl-card:hover {
  border-color: rgba(212, 175, 55, 0.5);
  filter: drop-shadow(0 0 24px rgba(212, 175, 55, 0.12));
  transform: translateY(-4px);
}

.pp-dl-card h3 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  color: var(--c-ivory);
  margin: 0 0 0.3rem;
  letter-spacing: 0.02em;
}

.pp-dl-card > p {
  font-size: 0.85rem;
  color: var(--c-gray-dim);
  margin: 0 0 1rem;
}

.pp-dl-card ul {
  list-style: none;
  padding: 0;
  margin: 0 0 1.25rem;
}

.pp-dl-card ul li {
  position: relative;
  padding-left: 1.4rem;
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--c-gray);
}

.pp-dl-card ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 7px;
  height: 7px;
  background: var(--grad-gold);
  transform: rotate(45deg);
}

.pp-qr {
  margin-bottom: 1.1rem;
}

.pp-qr summary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  font-size: 0.82rem;
  color: var(--c-gold);
  padding: 0.4rem 0.9rem;
  border: 1px solid rgba(212, 175, 55, 0.3);
  border-radius: 999px;
  background: rgba(212, 175, 55, 0.06);
  transition: background var(--dur-fast) var(--ease-smooth), border-color var(--dur-fast) var(--ease-smooth);
  width: -moz-fit-content;
  width: fit-content;
}

.pp-qr summary:hover {
  background: rgba(212, 175, 55, 0.14);
  border-color: var(--c-gold);
}

.pp-qr summary::before {
  content: "✕";
  font-size: 0.75rem;
  display: inline-block;
  transform: rotate(45deg);
  color: var(--c-pink);
}

.pp-qr[open] summary::before {
  transform: rotate(0deg);
  color: var(--c-gold-bright);
}

.pp-qr-body {
  margin-top: 0.9rem;
  padding: 1rem;
  background: rgba(13, 13, 13, 0.55);
  border-radius: 12px;
}

.pp-qr-body img {
  width: min(200px, 100%);
  height: auto;
  display: block;
  margin: 0 auto;
  border-radius: 8px;
}

.pp-qr-body p {
  font-size: 0.78rem;
  color: var(--c-gray-dim);
  text-align: center;
  margin: 0.6rem 0 0;
}

.pp-dl-card .btn-gold,
.pp-dl-card .btn-ghost {
  display: inline-block;
  font-size: 0.82rem;
  padding: 0.55rem 1.3rem;
}

/* ===== 技术参数 ===== */
.pp-specs {
  margin-bottom: clamp(3.5rem, 8vw, 6rem);
  padding-top: clamp(1rem, 3vw, 2rem);
}

.pp-specs-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: stretch;
}

.pp-specs-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.pp-spec-card {
  padding: 1.5rem 1.5rem 1.5rem 1.75rem;
  background: linear-gradient(135deg, rgba(139, 0, 0, 0.12), transparent 45%), rgba(18, 16, 30, 0.82);
  border-left: 3px solid var(--c-red);
  border-radius: 4px 14px 14px 4px;
}

.pp-spec-card h3 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  color: var(--c-ivory);
  margin: 0 0 0.5rem;
}

.pp-spec-card p {
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--c-gray);
  margin: 0;
}

.pp-spec-card strong {
  color: var(--c-gold-bright);
  font-weight: 600;
}

.pp-specs-visual {
  margin: 0;
  padding: 0.75rem;
  border: var(--border-gold-soft);
  border-radius: 18px;
  background: linear-gradient(150deg, rgba(13, 13, 13, 0.7), rgba(45, 27, 78, 0.4));
}

.pp-specs-visual img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
  object-fit: cover;
}

/* ===== 安装步骤 ===== */
.pp-setup {
  margin-bottom: clamp(3.5rem, 8vw, 5rem);
  padding-top: clamp(1rem, 3vw, 2rem);
}

.pp-steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  counter-reset: pp-step;
}

.pp-step {
  display: flex;
  gap: 1.25rem;
  padding: 1.5rem;
  background: rgba(26, 16, 48, 0.6);
  border: var(--border-gold-soft);
  border-radius: 14px;
  transition: border-color var(--dur-fast) var(--ease-smooth), background var(--dur-fast) var(--ease-smooth);
}

.pp-step:hover {
  border-color: rgba(212, 175, 55, 0.35);
  background: rgba(45, 27, 78, 0.55);
}

.pp-step-num {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  line-height: 1;
  color: transparent;
  -webkit-background-clip: text;
  background-clip: text;
  background-image: var(--grad-gold);
  flex-shrink: 0;
  min-width: 2.6rem;
  padding-top: 0.15rem;
}

.pp-step-body h3 {
  font-family: var(--font-heading);
  font-size: 1rem;
  color: var(--c-ivory);
  margin: 0 0 0.35rem;
}

.pp-step-body p {
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--c-gray-dim);
  margin: 0;
}

.pp-step-body a {
  color: var(--c-gold-bright);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ===== 底部引导 ===== */
.pp-help {
  padding-top: clamp(0.5rem, 2vw, 1.5rem);
}

.pp-help-panel {
  position: relative;
  overflow: hidden;
  padding: clamp(2rem, 5vw, 3.5rem);
  background:
    linear-gradient(135deg, rgba(139, 0, 0, 0.3), transparent 55%),
    var(--grad-night);
  border: var(--border-gold-weak);
  clip-path: polygon(26px 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%, 0 26px);
  text-align: center;
}

.pp-help-panel h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 3.2vw, 2.2rem);
  color: var(--c-ivory);
  margin: 0 0 0.7rem;
}

.pp-help-panel p {
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--c-gray);
  max-width: 34rem;
  margin: 0 auto 1.5rem;
}

.pp-help-panel a {
  color: var(--c-gold-bright);
}

.pp-help-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  justify-content: center;
}

.pp-help-actions .btn-gold,
.pp-help-actions .btn-ghost {
  display: inline-block;
  font-size: 0.88rem;
  padding: 0.65rem 1.5rem;
}

/* ===== 桌面端增强 ===== */
@media (min-width: 860px) {
  .pp-hero-split {
    grid-template-columns: 0.9fr 1.1fr;
    gap: clamp(2.5rem, 6vw, 5rem);
  }

  .pp-hero-device {
    justify-content: flex-end;
    padding-right: 2rem;
  }

  .pp-device-phone {
    width: min(300px, 30vw);
  }

  .pp-hero-cards {
    gap: 1.35rem;
  }

  .pp-overview-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }

  .pp-way-card {
    flex-direction: column;
    padding: 1.75rem 1.5rem 1.5rem;
  }

  .pp-way-num {
    min-width: 0;
  }

  .pp-download-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
  }

  .pp-dl-card {
    padding: 2rem 1.6rem 1.7rem;
  }

  .pp-specs-layout {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 2.5rem;
  }

  .pp-specs-visual {
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .pp-specs-visual img {
    border-radius: 12px;
  }

  .pp-steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }

  .pp-step {
    flex-direction: column;
    padding: 1.75rem 1.5rem;
  }

  .pp-step-num {
    font-size: 2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products *,
  .page-products *::before,
  .page-products *::after {
    transition: none !important;
    animation: none !important;
    scroll-behavior: auto !important;
  }
}