.page-products {
  --page-card-radius: 18px;
  position: relative;
}

/* ========== 产品首屏 ========== */
.page-products .product-hero {
  position: relative;
  overflow: hidden;
  padding: 2rem 0 2.5rem;
}

.page-products .product-hero::before,
.page-products .product-hero::after {
  content: "";
  position: absolute;
  pointer-events: none;
}

.page-products .product-hero::before {
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(circle at 82% 18%, rgba(0, 212, 255, 0.12), transparent 28%),
    radial-gradient(circle at 12% 72%, rgba(212, 175, 55, 0.09), transparent 24%);
}

.page-products .product-hero::after {
  top: -4rem;
  right: -4rem;
  width: 26rem;
  height: 26rem;
  z-index: 0;
  background-image:
    linear-gradient(rgba(0, 212, 255, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.12) 1px, transparent 1px);
  background-size: 3.5rem 3.5rem;
  -webkit-mask-image: radial-gradient(circle, black 0%, transparent 68%);
  mask-image: radial-gradient(circle, black 0%, transparent 68%);
}

.page-products .product-hero-inner {
  position: relative;
  z-index: 1;
}

.page-products .product-hero-layout {
  display: grid;
  gap: 2rem;
  padding-top: 1.5rem;
}

.page-products .product-hero-title {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0.8rem 0 1rem;
  color: var(--color-text);
}

.page-products .product-hero-title em {
  font-style: normal;
  color: var(--color-gold);
}

.page-products .hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.5rem;
}

.page-products .hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.8rem;
  border-top: 1px solid var(--line);
  padding-top: 1.25rem;
}

.page-products .hero-metric {
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 0.85rem 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.page-products .hero-metric .metric-value {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 900;
  color: var(--color-gold);
}

.page-products .hero-metric .metric-label {
  font-size: 0.75rem;
  color: var(--color-muted);
  line-height: 1.3;
}

/* ========== 产品概览 ========== */
.page-products .product-tabs {
  margin-top: 2rem;
}

.page-products .tab-radio {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.page-products .tab-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: 1.5rem;
}

.page-products .tab-btn {
  padding: 0.7rem 1.1rem 0.75rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--color-muted);
  cursor: pointer;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  border: 1px solid transparent;
  border-bottom: none;
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
  user-select: none;
  display: inline-block;
  white-space: nowrap;
}

.page-products .tab-btn:hover {
  color: var(--color-amber);
}

.page-products #product-tab-radio-1:checked ~ .tab-nav label[for="product-tab-radio-1"],
.page-products #product-tab-radio-2:checked ~ .tab-nav label[for="product-tab-radio-2"],
.page-products #product-tab-radio-3:checked ~ .tab-nav label[for="product-tab-radio-3"] {
  color: var(--color-gold);
  background: rgba(212, 175, 55, 0.08);
  border-color: rgba(212, 175, 55, 0.3);
}

.page-products .tab-radio:focus-visible + .tab-nav label[for="product-tab-radio-1"],
.page-products .tab-radio:focus-visible + .tab-nav label[for="product-tab-radio-2"],
.page-products .tab-radio:focus-visible + .tab-nav label[for="product-tab-radio-3"] {
  outline: 2px solid var(--color-cyan);
  outline-offset: -2px;
  color: var(--color-cyan);
}

.page-products .tab-panel {
  display: none;
}

.page-products #product-tab-radio-1:checked ~ .tab-panels #product-tab-panel-1,
.page-products #product-tab-radio-2:checked ~ .tab-panels #product-tab-panel-2,
.page-products #product-tab-radio-3:checked ~ .tab-panels #product-tab-panel-3 {
  display: block;
}

.page-products .product-card {
  position: relative;
  border-radius: var(--page-card-radius);
  border: 1px solid transparent;
  background:
    linear-gradient(145deg, rgba(16, 27, 45, 0.92), rgba(11, 14, 20, 0.94)) padding-box,
    linear-gradient(115deg, rgba(212, 175, 55, 0.7), rgba(0, 212, 255, 0.38) 60%, rgba(212, 175, 55, 0.12)) border-box;
  overflow: hidden;
  display: grid;
  box-shadow: var(--shadow);
}

.page-products .product-card-visual {
  position: relative;
  min-height: 180px;
  background: var(--color-bg-alt);
  overflow: hidden;
}

.page-products .product-card-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(11, 14, 20, 0.5) 100%);
  pointer-events: none;
}

.page-products .product-card-img {
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  display: block;
}

.page-products .product-card-badge {
  position: absolute;
  top: 0.85rem;
  left: 0.85rem;
  z-index: 2;
  padding: 0.35rem 0.7rem;
  background: rgba(11, 14, 20, 0.72);
  border: 1px solid rgba(245, 247, 250, 0.24);
  color: var(--color-amber);
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 1;
}

.page-products .product-card-body {
  padding: 1.4rem 1.5rem 1.6rem;
}

.page-products .product-card-body h3 {
  margin: 0 0 0.6rem;
  font-family: var(--font-body);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-text);
}

.page-products .product-card-body > p {
  margin: 0 0 1rem;
  color: var(--color-muted);
  max-width: 55ch;
  line-height: 1.65;
}

.page-products .feature-list {
  list-style: none;
  margin: 0 0 1.4rem;
  padding: 0;
  display: grid;
  gap: 0.45rem;
}

.page-products .feature-list li {
  position: relative;
  padding-left: 1.2rem;
  color: var(--color-text);
  font-size: 0.92rem;
}

.page-products .feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-cyan);
  box-shadow: 0 0 8px rgba(0, 212, 255, 0.5);
}

/* ========== 大屏版本导航更新时间 ========== */
.page-products .update-section {
  position: relative;
  overflow: hidden;
  padding: 3rem 0;
  margin-top: 2.5rem;
}

.page-products .update-bg,
.page-products .update-bg-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.page-products .update-bg-img {
  object-fit: cover;
  opacity: 0.35;
}

.page-products .update-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(11, 14, 20, 0.95) 5%, rgba(16, 27, 45, 0.78) 55%, rgba(11, 14, 20, 0.96) 100%);
}

.page-products .update-content {
  position: relative;
  z-index: 1;
}

.page-products .update-section .section-head {
  border-bottom: 1px solid var(--line);
  padding-bottom: 1.2rem;
  margin-bottom: 1.8rem;
}

.page-products .update-clock-row {
  display: grid;
  gap: 1.8rem;
  align-items: center;
}

.page-products .clock-panel {
  background: rgba(0, 0, 0, 0.66);
  border: 1px solid rgba(212, 175, 55, 0.38);
  border-radius: var(--radius-lg);
  padding: 1.8rem 1.4rem;
  text-align: center;
  box-shadow: 0 0 46px rgba(212, 175, 55, 0.08);
}

.page-products .clock-display {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.1em;
}

.page-products .clock-hour,
.page-products .clock-minute {
  font-family: var(--font-display);
  font-size: 3.3rem;
  font-weight: 900;
  color: var(--color-gold);
  letter-spacing: 0.02em;
  line-height: 1;
}

.page-products .clock-sep {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--color-cyan);
  line-height: 1;
  animation: page-clock-blink 1s step-end infinite;
}

.page-products .clock-suffix {
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: var(--color-cyan);
  letter-spacing: 0.25em;
  align-self: flex-start;
  margin-left: 0.3rem;
}

.page-products .clock-caption {
  margin: 0.8rem 0 0;
  color: var(--color-text);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  opacity: 0.8;
}

.page-products .update-copy .lead {
  color: var(--color-text);
  margin: 0 0 0.75rem;
}

.page-products .update-copy > p:not(.lead) {
  color: var(--color-muted);
  max-width: 60ch;
}

.page-products .update-points {
  list-style: none;
  margin: 1.2rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
}

.page-products .update-points li {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--color-text);
  font-size: 0.9rem;
}

.page-products .update-points .status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-cyan);
  box-shadow: 0 0 8px rgba(0, 212, 255, 0.4);
  flex: 0 0 auto;
}

@keyframes page-clock-blink {
  50% { opacity: 0; }
}

/* ========== 下载与入口 ========== */
.page-products .gateway-grid {
  display: grid;
  gap: 1rem;
}

.page-products .gateway-card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--glass);
  display: flex;
  flex-direction: column;
}

.page-products .gateway-card-accent {
  background: linear-gradient(145deg, rgba(16, 27, 45, 0.95), rgba(11, 14, 20, 0.96));
}

.page-products .gateway-card-media {
  position: relative;
  min-height: 8rem;
  overflow: hidden;
}

.page-products .gateway-card-img {
  width: 100%;
  height: 8rem;
  max-width: 100%;
  object-fit: cover;
  display: block;
  opacity: 0.55;
}

.page-products .gateway-card-body {
  padding: 1.4rem 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
}

.page-products .gateway-card-body h3 {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-text);
}

.page-products .gateway-card-body p {
  margin: 0;
  color: var(--color-muted);
  line-height: 1.6;
  max-width: 55ch;
}

.page-products .gateway-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 0.8rem;
}

/* ========== 使用指南 ========== */
.page-products .guide-list {
  margin-top: 1.5rem;
}

.page-products .guide-item {
  border-top: 1px solid var(--line);
  padding: 1.1rem 0;
  display: grid;
  gap: 0.4rem;
  align-items: start;
}

.page-products .guide-item:last-child {
  border-bottom: 1px solid var(--line);
}

.page-products .guide-num {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 900;
  color: var(--color-amber);
  line-height: 1;
}

.page-products .guide-content h3 {
  margin: 0 0 0.3rem;
  color: var(--color-text);
  font-size: 1.05rem;
  font-weight: 700;
}

.page-products .guide-content p {
  margin: 0;
  color: var(--color-muted);
  line-height: 1.6;
}

.page-products .guide-link {
  color: var(--color-gold);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: color 0.2s ease;
}

.page-products .guide-link:hover {
  color: var(--color-amber);
}

.page-products .guide-link span {
  margin-left: 0.25rem;
  display: inline-block;
  transition: transform 0.2s ease;
}

.page-products .guide-link:hover span {
  transform: translateX(4px);
}

/* ========== 信任提示 ========== */
.page-products .trust-note {
  margin-top: 2.5rem;
  padding: 1rem 1.2rem;
  border: 1px solid rgba(212, 175, 55, 0.25);
  border-radius: var(--radius-md);
  background: rgba(212, 175, 55, 0.05);
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 0.9rem;
}

.page-products .trust-note .status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-gold);
  box-shadow: 0 0 10px rgba(212, 175, 55, 0.5);
  flex: 0 0 auto;
}

/* ========== 桌面端 ========== */
@media (min-width: 960px) {
  .page-products .product-hero {
    padding: 3rem 0 3.5rem;
  }

  .page-products .product-hero-layout {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: 3rem;
    align-items: end;
  }

  .page-products .product-hero-title {
    font-size: 3.4rem;
    line-height: 1.08;
  }

  .page-products .product-card {
    grid-template-columns: 1.05fr 1fr;
  }

  .page-products .product-card-visual {
    min-height: 100%;
  }

  .page-products .product-card-body {
    padding: 2.2rem 2rem;
  }

  .page-products .update-section {
    padding: 4.5rem 0;
  }

  .page-products .update-clock-row {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 3rem;
  }

  .page-products .clock-hour,
  .page-products .clock-minute {
    font-size: 5rem;
  }

  .page-products .clock-sep {
    font-size: 4.2rem;
  }

  .page-products .gateway-grid {
    grid-template-columns: 1.25fr 1fr;
    gap: 1.2rem;
  }

  .page-products .gateway-card-img {
    height: 11rem;
  }

  .page-products .guide-item {
    grid-template-columns: 4rem 1fr auto;
    gap: 1.5rem;
    padding: 1.6rem 0;
    align-items: center;
  }

  .page-products .guide-num {
    font-size: 1.5rem;
    text-align: center;
  }
}
