.page-products {
  --products-card: var(--color-card);
  --products-line: var(--color-line);
  --products-text: var(--color-light);
  --products-muted: var(--color-muted);
  --products-purple: var(--color-purple);
  --products-neon: var(--color-neon);
  --products-orange: var(--color-orange);
  position: relative;
  background:
    radial-gradient(960px 460px at 88% -8%, rgba(123, 47, 234, 0.16), transparent 62%),
    linear-gradient(180deg, #0B1026 0%, #0E1330 100%);
  color: var(--products-text);
  overflow-x: hidden;
}

.page-products img {
  max-width: 100%;
  display: block;
}

/* ---------- 面包屑 ---------- */
.page-products .breadcrumbs {
  padding-top: 32px;
}

/* ---------- 首屏 ---------- */
.page-products__hero {
  position: relative;
  padding: 64px 0 72px;
  display: flex;
  flex-direction: column;
  gap: 36px;
}

.page-products__hero::after {
  content: '';
  display: block;
  height: 1px;
  margin-top: 24px;
  background: linear-gradient(90deg, var(--products-purple) 0%, var(--products-neon) 40%, transparent 82%);
}

.page-products__hero-eyebrow {
  display: inline-flex;
  align-self: flex-start;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--products-neon);
  border: 1px solid var(--products-line);
  border-left: 3px solid var(--products-neon);
  background: rgba(0, 255, 157, 0.05);
  padding: 6px 12px;
  margin: 0;
}

.page-products__hero-title {
  font-family: var(--font-main);
  font-size: var(--fs-display);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: 0.02em;
  margin: 20px 0 0;
  color: var(--products-text);
}

.page-products__hero-title span {
  display: block;
  color: var(--color-purple-soft);
  font-size: 0.62em;
  font-weight: 800;
  letter-spacing: 0.04em;
  margin-top: 6px;
}

.page-products__hero-desc {
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.8;
  color: var(--products-muted);
  max-width: 46em;
  margin: 20px 0 0;
}

.page-products__hero-route {
  margin-top: 28px;
  display: grid;
  grid-template-columns: 1fr;
  border: 1px solid var(--products-line);
  background: var(--products-line);
  gap: 1px;
}

.page-products__route-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  background: #0D1226;
  color: var(--products-text);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: background var(--t-fast);
}

.page-products__route-link:hover {
  background: #162048;
}

.page-products__route-index {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-purple-soft);
}

.page-products__hero-deco {
  position: relative;
  min-height: 170px;
  background-color: rgba(21, 26, 51, 0.6);
  border: 1px solid var(--products-line);
  overflow: hidden;
  background-image:
    linear-gradient(var(--products-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--products-line) 1px, transparent 1px);
  background-size: 44px 44px;
  background-position: center;
}

.page-products__hero-deco::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(240px 120px at 20% 20%, rgba(0, 255, 157, 0.08), transparent 70%),
    radial-gradient(300px 160px at 80% 80%, rgba(123, 47, 234, 0.18), transparent 70%);
  pointer-events: none;
}

.page-products__deco-frame {
  position: absolute;
  top: 28px;
  left: 28px;
  right: 28px;
  bottom: 28px;
  border: 1px solid rgba(123, 47, 234, 0.4);
  transform: perspective(600px) rotateX(4deg) rotateY(-6deg) skewX(-6deg);
}

.page-products__deco-core {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 56px;
  height: 56px;
  border: 2px solid var(--products-neon);
  box-shadow: 0 0 40px rgba(0, 255, 157, 0.25);
  transform-origin: center;
  animation: page-products-rotate 14s linear infinite;
}

.page-products__deco-core::after {
  content: '';
  position: absolute;
  inset: -8px;
  border: 1px dashed rgba(0, 255, 157, 0.5);
}

.page-products__deco-coord {
  position: absolute;
  bottom: 12px;
  right: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--products-muted);
  letter-spacing: 0.16em;
}

@keyframes page-products-rotate {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(90deg); }
}

/* ---------- 章节通用 ---------- */
.page-products__section {
  position: relative;
}

.page-products__section--member::before,
.page-products__section--ios::before,
.page-products__section--formal::before,
.page-products__section--library::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--products-purple), transparent 72%);
}

.page-products__section--ios::before {
  background: linear-gradient(90deg, var(--products-orange), transparent 72%);
}

.page-products__section--formal::before {
  background: linear-gradient(90deg, var(--products-neon), transparent 72%);
}

.page-products__section--library::before {
  background: linear-gradient(90deg, var(--color-purple-soft), transparent 72%);
}

.page-products .dossier__head {
  margin-bottom: 0;
}

/* ---------- 会员中心 ---------- */
.page-products__member {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 48px;
}

.page-products__member-media {
  border: 1px solid var(--products-line);
  background: var(--products-card);
  overflow: hidden;
}

.page-products__member-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 5 / 3;
}

.page-products__member-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-products__member-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 22px;
  background: var(--products-card);
  border: 1px solid var(--products-line);
  border-left: 3px solid var(--products-purple);
  transition: border-color var(--t-fast), transform var(--t-fast), background var(--t-base);
}

.page-products__member-item:hover {
  transform: translateX(6px);
  border-color: var(--color-purple-soft);
  background: #1A2144;
}

.page-products__member-icon {
  flex: 0 0 32px;
  width: 32px;
  height: 32px;
  color: var(--products-neon);
}

.page-products__member-item h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  color: var(--products-text);
}

.page-products__member-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--products-muted);
}

/* ---------- 苹果版下载 ---------- */
.page-products__ios-wrap {
  margin-top: 48px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.page-products__steps {
  display: flex;
  flex-direction: column;
}

.page-products__step {
  position: relative;
  background: var(--products-card);
  border: 1px solid var(--products-line);
  padding: 24px 28px;
}

.page-products__step + .page-products__step {
  border-top: 0;
}

.page-products__step::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--products-orange);
}

.page-products__step-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--products-orange);
  font-weight: 500;
}

.page-products__step h3 {
  margin: 8px 0 8px;
  font-size: 19px;
  font-weight: 700;
  color: var(--products-text);
}

.page-products__step p {
  margin: 0;
  color: var(--products-muted);
  font-size: 14px;
  line-height: 1.7;
}

.page-products__step-arrow {
  font-family: var(--font-mono);
  color: var(--products-orange);
  font-size: 18px;
  text-align: center;
  padding: 8px 0;
  line-height: 1;
}

.page-products__ios-cta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
  background: rgba(255, 108, 0, 0.06);
  border: 1px solid var(--products-line);
  padding: 28px;
}

.page-products__ios-cta .btn {
  font-size: 17px;
  padding: 16px 28px;
}

.page-products__ios-note {
  margin: 0;
  font-size: 13px;
  color: var(--products-muted);
  line-height: 1.6;
}

.page-products__ios-media {
  border: 1px solid var(--products-line);
  background: var(--products-card);
  overflow: hidden;
}

.page-products__ios-media img {
  width: 100%;
  aspect-ratio: 5 / 3;
  object-fit: cover;
}

/* ---------- 正式版 ---------- */
.page-products__formal-layout {
  margin-top: 48px;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.page-products__formal-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--products-card);
  border: 1px solid var(--products-line);
  padding: 24px;
}

.page-products__formal-badge-inner {
  width: 112px;
  height: 112px;
  border: 2px solid var(--products-orange);
  background: rgba(255, 108, 0, 0.08);
  transform: rotate(-12deg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
}

.page-products__formal-badge-inner span {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--products-orange);
}

.page-products__formal-badge-inner strong {
  font-size: 24px;
  font-weight: 900;
  letter-spacing: 0.1em;
  color: var(--products-text);
}

.page-products__formal-content {
  flex: 1;
}

.page-products__formal-content h3 {
  margin: 0 0 16px;
  font-size: 22px;
  font-weight: 800;
  color: var(--products-text);
}

.page-products__formal-list {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  background: var(--products-card);
  border: 1px solid var(--products-line);
}

.page-products__formal-list li {
  position: relative;
  padding: 16px 20px 16px 48px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--products-text);
  border-bottom: 1px solid var(--products-line);
}

.page-products__formal-list li:last-child {
  border-bottom: 0;
}

.page-products__formal-list li::before {
  content: '';
  position: absolute;
  left: 22px;
  top: 50%;
  width: 10px;
  height: 2px;
  background: var(--products-neon);
}

.page-products__formal-media {
  border: 1px solid var(--products-line);
  background: var(--products-card);
  overflow: hidden;
}

.page-products__formal-media img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

/* ---------- 帮助文档与资源下载 ---------- */
.page-products__filter-bar {
  margin-top: 40px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products__doc-grid {
  margin-top: 24px;
}

.page-products__doc-card {
  display: flex;
  flex-direction: column;
  transition: border-color var(--t-fast), transform var(--t-fast);
}

.page-products__doc-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-purple-soft);
}

.page-products__doc-card .file-card__body {
  flex: 1;
}

.page-products__resource {
  margin-top: 32px;
  background: var(--products-card);
  border: 1px solid var(--products-line);
  display: flex;
  flex-direction: column;
}

.page-products__resource-info {
  order: 2;
  padding: 28px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
}

.page-products__resource-tag {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--products-neon);
}

.page-products__resource-title {
  font-size: 22px;
  font-weight: 800;
  margin: 0;
  color: var(--products-text);
}

.page-products__resource-desc {
  color: var(--products-muted);
  font-size: 15px;
  line-height: 1.7;
  margin: 0;
}

.page-products__resource-media {
  order: 1;
  border: 0;
  border-bottom: 1px solid var(--products-line);
  overflow: hidden;
}

.page-products__resource-media img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-products__faq-wrap {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.page-products__faq {
  flex: 1;
  background: var(--products-card);
  border: 1px solid var(--products-line);
}

.page-products__faq-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 24px;
  border-bottom: 1px solid var(--products-line);
}

.page-products__faq-head h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 800;
  color: var(--products-text);
}

.page-products__faq-head a {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--products-neon);
  text-decoration: none;
  white-space: nowrap;
}

.page-products__faq-list {
  display: flex;
  flex-direction: column;
}

.page-products__faq-item {
  position: relative;
  padding: 16px 20px 16px 48px;
  color: var(--products-text);
  text-decoration: none;
  font-size: 15px;
  border-bottom: 1px solid var(--products-line);
  transition: background var(--t-fast);
}

.page-products__faq-item:last-child {
  border-bottom: 0;
}

.page-products__faq-item::before {
  content: '?';
  position: absolute;
  left: 24px;
  top: 50%;
  transform: translateY(-50%);
  width: 14px;
  height: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-purple-soft);
}

.page-products__faq-item:hover {
  background: #1B2245;
}

.page-products__faq-media {
  border: 1px solid var(--products-line);
  background: var(--products-card);
  overflow: hidden;
}

.page-products__faq-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

/* ---------- 收尾导航 ---------- */
.page-products__outro {
  padding-top: 16px;
}

.page-products__outro-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 28px;
  padding: 36px 24px;
  border: 1px solid var(--products-line);
  background:
    linear-gradient(90deg, rgba(123, 47, 234, 0.12), transparent),
    var(--products-card);
}

.page-products__outro-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--products-purple), var(--products-neon), var(--products-orange));
}

.page-products__outro-index {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--products-neon);
}

.page-products__outro-info h2 {
  font-size: 24px;
  font-weight: 800;
  margin: 10px 0 8px;
  color: var(--products-text);
}

.page-products__outro-info p {
  color: var(--products-muted);
  font-size: 15px;
  line-height: 1.7;
  margin: 0;
}

.page-products__outro-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 桌面断点 ---------- */
@media (min-width: 700px) {
  .page-products__hero-route {
    grid-template-columns: 1fr 1fr;
  }

  .page-products__resource {
    display: grid;
    grid-template-columns: 2fr 3fr;
    align-items: center;
  }

  .page-products__resource-info {
    order: 1;
  }

  .page-products__resource-media {
    order: 2;
    border: 0;
    border-left: 1px solid var(--products-line);
  }

  .page-products__outro-card {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 40px 48px;
  }

  .page-products__outro-links {
    flex-shrink: 0;
  }
}

@media (min-width: 860px) {
  .page-products__member {
    grid-template-columns: 5fr 7fr;
    align-items: stretch;
  }

  .page-products__member-list {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .page-products__member-media {
    height: 100%;
  }

  .page-products__member-media img {
    height: 100%;
    aspect-ratio: auto;
  }

  .page-products__ios-wrap {
    display: grid;
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    grid-template-rows: auto auto;
    gap: 32px;
  }

  .page-products__steps {
    grid-column: 1;
    grid-row: 1;
  }

  .page-products__ios-cta {
    grid-column: 1;
    grid-row: 2;
  }

  .page-products__ios-media {
    grid-column: 2;
    grid-row: 1 / 3;
  }

  .page-products__ios-media img {
    height: 100%;
    aspect-ratio: auto;
  }

  .page-products__formal-layout {
    display: grid;
    grid-template-columns: 260px 1fr 280px;
    gap: 32px;
    align-items: start;
  }

  .page-products__formal-badge {
    min-height: 220px;
  }

  .page-products__faq-wrap {
    flex-direction: row;
    align-items: stretch;
  }

  .page-products__faq {
    flex: 1;
  }

  .page-products__faq-media {
    width: 38%;
  }
}

@media (min-width: 980px) {
  .page-products__hero {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: center;
    gap: 48px;
    padding: 96px 0 88px;
  }

  .page-products__hero::after {
    grid-column: 1 / -1;
  }

  .page-products__hero-deco {
    min-height: 320px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products__deco-core {
    animation: none;
  }
}