.page-products {
  --card-min-height: 160px;
  --step-bg: rgba(17, 34, 64, 0.6);
  color: var(--text);
  background-color: var(--bg);
  overflow-x: hidden;
}

.page-products img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
}

.page-products .panel {
  background: rgba(17, 34, 64, 0.72);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
}

/* ===== 下载横幅 ===== */
.page-products .product-hero {
  position: relative;
  padding: 3.5rem 0 4.5rem;
  background: radial-gradient(circle at 75% 20%, rgba(123, 47, 255, 0.25), transparent 55%),
              linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
}

.page-products .product-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 255, 163, 0.05) 0%, transparent 40%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 40px), 0 100%);
  pointer-events: none;
}

.page-products .hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

@media (min-width: 768px) {
  .page-products .hero-grid {
    grid-template-columns: 1.2fr 0.8fr;
    gap: 3rem;
  }
}

.page-products .hero-copy .section__label {
  margin-bottom: 1rem;
}

.page-products .hero-copy h1 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 6vw, 4rem);
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--text-strong);
  margin: 0 0 1.25rem;
}

.page-products .hero-lead {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-dim);
  max-width: 36rem;
}

.page-products .version-meta {
  list-style: none;
  padding: 0;
  margin: 1.75rem 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 2rem;
}

.page-products .version-meta li {
  font-size: 0.9rem;
  color: var(--text-dim);
}

.page-products .version-meta strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: var(--text-strong);
  letter-spacing: 0.04em;
}

.page-products .download-btn {
  display: inline-block;
  padding: 0.9rem 2rem;
  background: linear-gradient(135deg, var(--accent-1) 0%, #00d98b 100%);
  color: var(--bg-ink);
  font-weight: 700;
  font-size: 1.05rem;
  border-radius: 999px;
  text-decoration: none;
  box-shadow: 0 0 0 0 rgba(0, 255, 163, 0.5);
  transition: transform 0.2s ease, box-shadow 0.3s ease;
}

.page-products .download-btn:hover {
  box-shadow: 0 0 24px rgba(0, 255, 163, 0.5);
  transform: translateY(-2px);
}

.page-products .download-btn:active {
  transform: scale(0.95);
  box-shadow: 0 0 12px rgba(0, 255, 163, 0.4);
}

.page-products .download-note {
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--text-dim);
}

.page-products .hero-qr {
  padding: 1.75rem;
  text-align: center;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.04);
}

.page-products .qr-img {
  max-width: 200px;
  margin: 0 auto 1rem;
  display: block;
}

.page-products .hero-qr p {
  font-size: 0.9rem;
  color: var(--text-dim);
}

.page-products .hero-banner {
  margin-top: 3.5rem;
  position: relative;
  z-index: 1;
}

.page-products .hero-banner img {
  width: 100%;
  height: auto;
  border-radius: calc(var(--radius) + 4px);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

/* ===== 分类板块 ===== */
.page-products .category-section {
  padding: 4.5rem 0 3rem;
}

.page-products .section-head {
  max-width: 44rem;
  margin-bottom: 2.5rem;
}

.page-products .section-head .section__label {
  margin-bottom: 0.75rem;
}

.page-products .section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  line-height: 1.2;
  color: var(--text-strong);
  margin: 0 0 1rem;
}

.page-products .section-head p {
  color: var(--text-dim);
  line-height: 1.8;
  font-size: 1rem;
}

.page-products .category-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

@media (min-width: 600px) {
  .page-products .category-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
  }
}

@media (min-width: 992px) {
  .page-products .category-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
  }
}

.page-products .category-card {
  padding: 1rem;
  min-height: var(--card-min-height);
  background: linear-gradient(135deg, rgba(123, 47, 255, 0.08) 0%, rgba(17, 34, 64, 0.72) 100%);
  transition: border-color 0.3s ease, transform 0.3s ease;
  perspective: 800px;
}

.page-products .category-card:hover {
  border-color: var(--accent-2);
  transform: translateY(-4px);
}

.page-products .card-inner {
  position: relative;
  width: 100%;
  min-height: 130px;
  transition: transform 0.6s ease;
  transform-style: preserve-3d;
}

.page-products .category-card:hover .card-inner {
  transform: rotateY(180deg);
}

.page-products .card-front,
.page-products .card-back {
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.page-products .card-front h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-strong);
  margin: 0;
}

.page-products .card-back {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  transform: rotateY(180deg);
  color: var(--text-dim);
  font-size: 0.85rem;
  line-height: 1.6;
  padding: 0.5rem;
}

.page-products .cat-icon {
  width: 34px;
  height: 34px;
  color: var(--accent-1);
  margin-bottom: 0.75rem;
  stroke-dasharray: 60;
  stroke-dashoffset: 60;
  transition: stroke-dashoffset 0.5s ease, color 0.3s ease;
}

.page-products .category-card:hover .cat-icon {
  stroke-dashoffset: 0;
  color: var(--accent-2);
}

/* ===== 新用户指引 ===== */
.page-products .guide-section {
  padding: 3rem 0 4rem;
  background: linear-gradient(180deg, transparent 0%, rgba(17, 34, 64, 0.4) 100%);
}

.page-products .steps-bar {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin: 2rem 0 2.5rem;
}

@media (min-width: 768px) {
  .page-products .steps-bar {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
  }
}

.page-products .step-item {
  display: block;
  padding: 1.75rem 1.5rem;
  background: var(--step-bg);
  border-radius: var(--radius);
  border-left: 4px solid var(--accent-2);
  text-decoration: none;
  color: var(--text);
  transition: background 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
}

.page-products .step-item:hover {
  transform: translateY(-4px);
  border-left-color: var(--accent-1);
}

.page-products .step-item.is-active {
  background: rgba(17, 34, 64, 0.9);
  border-left-color: var(--accent-1);
}

.page-products .step-num {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--accent-1);
  line-height: 1;
  display: block;
  margin-bottom: 0.75rem;
}

.page-products .step-item h3 {
  font-size: 1.15rem;
  margin: 0 0 0.5rem;
  color: var(--text-strong);
}

.page-products .step-item p {
  font-size: 0.9rem;
  color: var(--text-dim);
  line-height: 1.7;
  margin: 0;
}

.page-products .guide-visual img {
  width: 100%;
  height: auto;
  border-radius: calc(var(--radius) + 4px);
  box-shadow: 0 0 40px rgba(123, 47, 255, 0.15);
}

/* ===== 规则板块 ===== */
.page-products .rules-section {
  position: relative;
  padding: 4rem 0;
  background: var(--bg-ink);
  margin: 0;
}

.page-products .rules-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 30%, rgba(0, 255, 163, 0.06) 0%, transparent 50%);
  pointer-events: none;
}

.page-products .rules-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
  position: relative;
}

@media (min-width: 768px) {
  .page-products .rules-grid {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
}

.page-products .rules-copy h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  color: var(--text-strong);
  margin: 0 0 1.25rem;
}

.page-products .rules-copy > p {
  color: var(--text-dim);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.page-products .rules-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.page-products .rules-list li {
  position: relative;
  padding: 0.65rem 0 0.65rem 1.75rem;
  color: var(--text);
  line-height: 1.7;
}

.page-products .rules-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 1.1rem;
  width: 10px;
  height: 10px;
  background: var(--accent-1);
  transform: rotate(45deg);
}

.page-products .rules-list strong {
  color: var(--accent-1);
  font-size: 1.4rem;
  font-family: var(--font-display);
  margin: 0 0.2rem;
}

.page-products .rules-visual img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  box-shadow: 0 0 40px rgba(0, 255, 163, 0.2);
}

/* ===== 订阅板块 ===== */
.page-products .subscribe-section {
  position: relative;
  padding: 4.5rem 0;
  background: radial-gradient(circle at 20% 30%, rgba(255, 215, 0, 0.08) 0%, transparent 50%);
}

.page-products .subscribe-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}

@media (min-width: 768px) {
  .page-products .subscribe-grid {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 3rem;
  }
}

.page-products .subscribe-visual img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  box-shadow: 0 0 40px rgba(255, 215, 0, 0.1);
}

.page-products .subscribe-copy h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  color: var(--text-strong);
  margin: 0 0 1.25rem;
}

.page-products .subscribe-copy > p {
  color: var(--text-dim);
  line-height: 1.8;
  margin-bottom: 1.75rem;
}

.page-products .subscribe-list {
  list-style: none;
  padding: 0;
  margin: 0 0 2rem;
}

.page-products .subscribe-list li {
  position: relative;
  padding: 0.6rem 0 0.6rem 2rem;
  color: var(--text);
  line-height: 1.7;
}

.page-products .subscribe-list li::before {
  content: '✦';
  position: absolute;
  left: 0;
  top: 0.55rem;
  color: var(--accent-3);
  font-size: 1rem;
}

.page-products .subscribe-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  background: none;
  border: none;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 1rem;
  cursor: pointer;
  padding: 0.5rem 0;
}

.page-products .toggle-track {
  width: 52px;
  height: 28px;
  background: var(--bg-2);
  border-radius: 14px;
  padding: 3px;
  transition: background 0.3s ease;
  flex-shrink: 0;
}

.page-products .toggle-thumb {
  display: block;
  width: 22px;
  height: 22px;
  background: var(--text-dim);
  border-radius: 50%;
  transition: transform 0.3s ease, background 0.3s ease;
}

.page-products .subscribe-toggle[aria-pressed="true"] .toggle-track {
  background: var(--accent-1);
}

.page-products .subscribe-toggle[aria-pressed="true"] .toggle-thumb {
  transform: translateX(24px);
  background: var(--bg-ink);
}

.page-products .toggle-label {
  font-weight: 500;
  color: var(--text-strong);
}

/* ===== 相关服务 ===== */
.page-products .related-section {
  padding: 4rem 0 5rem;
  background: linear-gradient(180deg, var(--bg) 0%, rgba(17, 34, 64, 0.3) 100%);
}

.page-products .related-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

@media (min-width: 768px) {
  .page-products .related-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
  }
}

.page-products .related-card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.5rem 1rem;
  color: var(--text-strong);
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  transition: border-color 0.3s ease, transform 0.3s ease;
}

.page-products .related-card span {
  color: var(--text-dim);
  font-size: 0.85rem;
  font-weight: 400;
  line-height: 1.6;
}

.page-products .related-card:hover {
  border-color: var(--accent-3);
  transform: translateY(-4px);
}

/* ===== 滚动显现 ===== */
.page-products [data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.page-products [data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}