.page-products {
  --page-font-display: 'Rajdhani', 'HarmonyOS Sans SC', 'PingFang SC', sans-serif;
  --page-font-body: 'Inter', 'HarmonyOS Sans SC', 'PingFang SC', sans-serif;
  --page-gold-glow: 0 0 20px rgba(232, 197, 71, 0.25);
  --page-terminal-bg: #0A1628;
  --page-terminal-border: rgba(232, 197, 71, 0.25);

  background:
    radial-gradient(ellipse at 85% 10%, rgba(10, 31, 68, 0.8) 0%, transparent 55%),
    radial-gradient(ellipse at 10% 85%, rgba(11, 22, 44, 0.6) 0%, transparent 50%),
    linear-gradient(160deg, #0D1B2A 0%, #0A1F44 45%, #0D1B2A 100%);
  color: var(--color-text);
  font-family: var(--page-font-body);
  line-height: 1.6;
  overflow-x: hidden;
  padding-bottom: 80px;
}

.page-products .breadcrumb {
  max-width: 1280px;
  margin: 0 auto;
  padding: 24px 24px 0;
  font-size: 0.875rem;
}

.page-products .breadcrumb__link {
  color: var(--color-text-dim);
  text-decoration: none;
  transition: color 0.25s ease;
}

.page-products .breadcrumb__link:hover {
  color: var(--color-accent);
}

.page-products .breadcrumb__sep {
  color: var(--color-slate);
  margin: 0 10px;
}

.page-products .breadcrumb__current {
  color: var(--color-accent);
  font-weight: 600;
}

.page-products .section {
  max-width: 1280px;
  margin: 0 auto;
  padding: 60px 24px 0;
  position: relative;
}

.page-products .section-head {
  position: relative;
  margin-bottom: 36px;
}

.page-products .section-kicker {
  display: inline-block;
  font-family: var(--page-font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 10px;
}

.page-products .section-title {
  font-family: var(--page-font-display);
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 700;
  line-height: 1.15;
  margin: 0;
  letter-spacing: 0.02em;
}

.page-products .section-title__dot {
  color: var(--color-accent);
}

.page-products .section-note {
  position: relative;
  display: inline-block;
  writing-mode: vertical-rl;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--color-text-dim);
  text-transform: uppercase;
  margin-left: 14px;
  vertical-align: top;
  min-height: 90px;
}

.page-products .btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 999px;
  font-family: var(--page-font-display);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, border-color 0.25s ease;
}

.page-products .btn--gold {
  background: linear-gradient(135deg, #E8C547 0%, #D4A832 100%);
  color: #0A1F44;
  box-shadow: 0 4px 18px rgba(232, 197, 71, 0.3);
  position: relative;
  overflow: hidden;
}

.page-products .btn--gold::after {
  content: '';
  position: absolute;
  top: 0;
  left: -80%;
  width: 60%;
  height: 100%;
  background: linear-gradient(105deg, transparent 0%, rgba(255, 255, 255, 0.5) 50%, transparent 100%);
  transform: skewX(-20deg);
  transition: left 0.5s ease;
}

.page-products .btn--gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(232, 197, 71, 0.45);
}

.page-products .btn--gold:hover::after {
  left: 120%;
}

.page-products .btn--ghost {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.25);
  color: var(--color-text);
}

.page-products .btn--ghost:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
}

.page-products .btn--small {
  padding: 8px 18px;
  font-size: 0.85rem;
}

.page-products .btn__arrow {
  display: inline-block;
  transition: transform 0.25s ease;
  font-size: 1.1em;
}

.page-products .btn--gold:hover .btn__arrow {
  transform: translateX(4px);
}

.page-products .badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 14px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  background: rgba(232, 197, 71, 0.12);
  border: 1px solid rgba(232, 197, 71, 0.35);
  color: var(--color-accent);
  white-space: nowrap;
}

.page-products .badge--olive {
  background: rgba(122, 139, 111, 0.15);
  border-color: rgba(122, 139, 111, 0.4);
  color: var(--color-olive);
}

.page-products .badge--terra {
  background: rgba(199, 123, 90, 0.15);
  border-color: rgba(199, 123, 90, 0.4);
  color: var(--color-terracotta);
}

.page-products .status-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
}

.page-products .status-dot--live {
  background: var(--color-accent);
  animation: page-pulse 1.6s ease-in-out infinite;
}

@keyframes page-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(232, 197, 71, 0.5); }
  50% { box-shadow: 0 0 0 6px rgba(232, 197, 71, 0); }
}

.page-products .tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--color-text);
  text-decoration: none;
  transition: border-color 0.25s ease, color 0.25s ease, background 0.25s ease;
}

.page-products .tag::before {
  content: '#';
  color: var(--color-accent);
  font-weight: 700;
}

.page-products .tag--olive::before { color: var(--color-olive); }
.page-products .tag--terra::before { color: var(--color-terracotta); }

.page-products .tag:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: rgba(232, 197, 71, 0.08);
}

.page-products .panel {
  background: rgba(18, 42, 62, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 20px;
  backdrop-filter: blur(8px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
}

.page-products .panel--accent-edge {
  position: relative;
  overflow: hidden;
}

.page-products .panel--accent-edge::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent) 0%, transparent 80%);
}

/* ─── 产品线总览 ─── */

.page-products .products-hero {
  padding-top: 0;
  min-height: 420px;
  display: flex;
  align-items: center;
}

.page-products .products-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  border-radius: 24px;
  overflow: hidden;
  pointer-events: none;
}

.page-products .products-hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(13, 27, 42, 0.95) 0%, rgba(13, 27, 42, 0.7) 40%, rgba(13, 27, 42, 0.3) 100%);
}

.page-products .products-hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.8) contrast(1.1);
}

.page-products .products-hero__inner {
  position: relative;
  z-index: 1;
  max-width: 720px;
  padding: 40px 40px;
}

.page-products .products-hero .section-head {
  margin-bottom: 24px;
}

.page-products .products-hero__desc {
  font-size: 1.05rem;
  color: var(--color-text-dim);
  max-width: 580px;
  margin: 0 0 28px;
}

.page-products .products-hero__tagbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ─── 产品选项卡 ─── */

.page-products .products-tabs-section {
  padding-top: 70px;
}

.page-products .products-tabs {
  position: relative;
}

.page-products .products-tabs__header {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 32px;
  padding-bottom: 2px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.page-products .products-tabs__btn {
  appearance: none;
  background: transparent;
  border: none;
  font-family: var(--page-font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text-dim);
  padding: 12px 28px;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
}

.page-products .products-tabs__btn:hover {
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.05);
}

.page-products .products-tabs__btn.is-active {
  background: linear-gradient(135deg, #E8C547 0%, #D4A832 100%);
  color: #0A1F44;
  box-shadow: 0 4px 18px rgba(232, 197, 71, 0.3);
}

.page-products .products-tabs__panels {
  position: relative;
  min-height: 280px;
}

.page-products .products-tabs__panel {
  display: none;
  flex-wrap: wrap;
  gap: 40px;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(135deg, rgba(18, 42, 62, 0.7) 0%, rgba(10, 31, 68, 0.7) 100%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 24px;
  padding: 36px 40px;
  animation: page-tab-fade 0.4s ease;
}

.page-products .products-tabs__panel.is-active {
  display: flex;
}

@keyframes page-tab-fade {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-products .products-tabs__info {
  flex: 1 1 340px;
  max-width: 560px;
}

.page-products .products-tabs__name {
  font-family: var(--page-font-display);
  font-size: 1.7rem;
  font-weight: 700;
  margin: 0 0 12px;
  position: relative;
  display: inline-block;
}

.page-products .products-tabs__name::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 40px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), transparent);
  border-radius: 2px;
}

.page-products .products-tabs__text {
  color: var(--color-text-dim);
  margin: 16px 0 20px;
  font-size: 0.95rem;
}

.page-products .products-tabs__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 22px;
}

.page-products .products-tabs__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .products-tabs__visual {
  flex: 0 1 400px;
}

.page-products .products-tabs__img {
  width: 100%;
  height: auto;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
  object-fit: cover;
}

/* ─── 版本号下载界面 ─── */

.page-products .version-download {
  padding-top: 70px;
}

.page-products .version-download__panel {
  padding: 36px 40px 44px;
}

.page-products .version-download .section-head {
  margin-bottom: 28px;
}

.page-products .version-download__terminal {
  background: var(--page-terminal-bg);
  border: 1px solid var(--page-terminal-border);
  border-radius: 16px;
  overflow: hidden;
  box-shadow:
    0 0 60px rgba(10, 22, 40, 0.6),
    inset 0 0 40px rgba(232, 197, 71, 0.03);
  position: relative;
}

.page-products .version-download__terminal::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent 0px,
    transparent 2px,
    rgba(232, 197, 71, 0.02) 2px,
    rgba(232, 197, 71, 0.02) 4px
  );
  pointer-events: none;
  animation: page-scan 7s linear infinite;
}

@keyframes page-scan {
  from { background-position: 0 0; }
  to { background-position: 0 60px; }
}

.page-products .version-download__terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.page-products .version-download__terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

.page-products .version-download__terminal-dot.is-red { background: #E05B5B; }
.page-products .version-download__terminal-dot.is-yellow { background: #E8C547; }
.page-products .version-download__terminal-dot.is-green { background: #7A8B6F; }

.page-products .version-download__terminal-title {
  margin-left: 8px;
  font-family: var(--page-font-display);
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  color: var(--color-text-dim);
  text-transform: uppercase;
}

.page-products .version-download__terminal-body {
  padding: 26px 28px 30px;
  font-family: var(--page-font-display);
  font-size: 0.95rem;
}

.page-products .version-download__line {
  margin: 0 0 10px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

.page-products .version-download__prompt {
  color: var(--color-accent);
  font-weight: 700;
  margin-right: 4px;
}

.page-products .version-download__output {
  color: var(--color-text);
}

.page-products .version-download__ver {
  color: var(--color-accent);
  font-weight: 700;
  font-size: 1.2em;
  letter-spacing: 0.05em;
  border: 1px solid rgba(232, 197, 71, 0.3);
  padding: 2px 12px;
  border-radius: 6px;
  background: rgba(232, 197, 71, 0.08);
  margin-left: 4px;
}

.page-products .version-download__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin: 20px 0 12px;
}

.page-products .version-download__compat {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--color-olive);
}

.page-products .version-download__note {
  font-size: 0.8rem;
  color: var(--color-slate);
  margin-top: 12px;
  border-top: 1px dashed rgba(255, 255, 255, 0.12);
  padding-top: 12px;
}

/* ─── 费用表 ─── */

.page-products .price-section {
  padding-top: 70px;
}

.page-products .price-section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 32px;
}

.page-products .price-section__head .section-head {
  margin-bottom: 0;
}

.page-products .price-table-wrap {
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(18, 42, 62, 0.6);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: rgba(232, 197, 71, 0.4) rgba(255, 255, 255, 0.05);
}

.page-products .price-table-wrap::-webkit-scrollbar {
  height: 6px;
}

.page-products .price-table-wrap::-webkit-scrollbar-thumb {
  background: rgba(232, 197, 71, 0.4);
  border-radius: 999px;
}

.page-products .price-table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.page-products .price-table thead {
  background: rgba(10, 31, 68, 0.6);
}

.page-products .price-table th {
  text-align: left;
  padding: 16px 20px;
  font-family: var(--page-font-display);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  font-weight: 700;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  white-space: nowrap;
}

.page-products .price-table td {
  padding: 15px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--color-text);
}

.page-products .price-table tbody tr {
  transition: background 0.25s ease;
}

.page-products .price-table tbody tr:hover {
  background: rgba(232, 197, 71, 0.05);
}

.page-products .price-table tbody tr.is-current {
  background: linear-gradient(90deg, rgba(232, 197, 71, 0.1) 0%, rgba(232, 197, 71, 0.03) 100%);
  border-left: 3px solid var(--color-accent);
}

.page-products .price-table tbody tr.is-current td:first-child {
  box-shadow: inset 3px 0 0 var(--color-accent);
  color: var(--color-accent);
  font-weight: 700;
}

.page-products .price-table tbody tr:last-child td {
  border-bottom: none;
}

.page-products .price-table__note {
  font-size: 0.88rem;
  color: var(--color-text-dim);
  margin-top: 16px;
  padding: 14px 18px;
  background: rgba(122, 139, 111, 0.08);
  border-left: 3px solid var(--color-olive);
  border-radius: 0 12px 12px 0;
}

/* ─── 更新日志 ─── */

.page-products .changelog-section {
  padding-top: 70px;
}

.page-products .changelog-section__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
  opacity: 0.35;
}

.page-products .changelog-section__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(13, 27, 42, 0.9) 0%, rgba(13, 27, 42, 0.5) 100%);
}

.page-products .changelog-section__bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-products .changelog-section .section-head {
  position: relative;
  z-index: 1;
}

.page-products .changelog-section__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-products .changelog-list {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.page-products .changelog-list::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(
    180deg,
    var(--color-accent) 0%,
    rgba(255, 255, 255, 0.2) 30%,
    rgba(255, 255, 255, 0.1) 70%,
    var(--color-terracotta) 100%
  );
}

.page-products .changelog-item {
  position: relative;
  padding-left: 48px;
  margin-bottom: 28px;
}

.page-products .changelog-item:last-child {
  margin-bottom: 0;
}

.page-products .changelog-item__marker {
  position: absolute;
  left: 8px;
  top: 6px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 2px solid var(--color-accent);
  z-index: 1;
}

.page-products .changelog-item__marker .status-dot {
  position: absolute;
  top: 3px;
  left: 3px;
}

.page-products .changelog-item__body {
  background: rgba(18, 42, 62, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  padding: 22px 26px;
  transition: border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}

.page-products .changelog-item__body:hover {
  border-color: rgba(232, 197, 71, 0.4);
  transform: translateX(4px);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.3);
}

.page-products .changelog-item--feature .changelog-item__body {
  border-color: rgba(232, 197, 71, 0.35);
  box-shadow: var(--page-gold-glow);
}

.page-products .changelog-item__title {
  font-family: var(--page-font-display);
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0 0 8px;
}

.page-products .changelog-item--feature .changelog-item__title {
  color: var(--color-accent);
}

.page-products .changelog-item__text {
  font-size: 0.88rem;
  color: var(--color-text-dim);
  margin: 0 0 12px;
}

.page-products .changelog-item__tag {
  font-size: 0.75rem;
  padding: 3px 12px;
}

.page-products .changelog-side {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.page-products .changelog-side__stats {
  padding: 28px 24px;
}

.page-products .changelog-side__title {
  font-family: var(--page-font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin: 0 0 18px;
  position: relative;
  display: inline-block;
}

.page-products .changelog-side__title::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--color-accent);
}

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

.page-products .changelog-side__item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 12px 0;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.08);
}

.page-products .changelog-side__item:last-child {
  border-bottom: none;
}

.page-products .changelog-side__label {
  font-size: 0.82rem;
  color: var(--color-text-dim);
}

.page-products .changelog-side__value {
  font-family: var(--page-font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
}

.page-products .changelog-side__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 12px 0;
  transition: gap 0.25s ease;
}

.page-products .changelog-side__link:hover {
  gap: 14px;
  text-decoration: underline;
}

/* ─── 响应式 ─── */

@media (min-width: 900px) {
  .page-products .changelog-section__grid {
    grid-template-columns: 1.6fr 1fr;
    align-items: start;
  }

  .page-products .products-tabs__panel {
    padding: 40px 48px;
  }

  .page-products .version-download__terminal-body {
    padding: 30px 36px 34px;
  }
}

@media (max-width: 640px) {
  .page-products .section {
    padding: 40px 16px 0;
  }

  .page-products .products-hero {
    min-height: 380px;
  }

  .page-products .products-hero__inner {
    padding: 30px 22px;
  }

  .page-products .products-hero__desc {
    font-size: 0.92rem;
  }

  .page-products .section-note {
    min-height: 70px;
  }

  .page-products .products-tabs-section,
  .page-products .version-download,
  .page-products .price-section,
  .page-products .changelog-section {
    padding-top: 48px;
  }

  .page-products .products-tabs__btn {
    font-size: 0.95rem;
    padding: 10px 20px;
  }

  .page-products .products-tabs__panel {
    padding: 24px 20px;
    gap: 24px;
  }

  .page-products .products-tabs__visual {
    flex-basis: 100%;
  }

  .page-products .products-tabs__img {
    max-height: 180px;
  }

  .page-products .version-download__panel {
    padding: 24px 20px 28px;
  }

  .page-products .version-download__terminal-body {
    padding: 18px 16px 20px;
    font-size: 0.85rem;
  }

  .page-products .version-download__actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .page-products .price-section__head {
    flex-direction: column;
    align-items: flex-start;
  }

  .page-products .price-table th,
  .page-products .price-table td {
    padding: 12px 14px;
    font-size: 0.85rem;
  }

  .page-products .changelog-item {
    padding-left: 40px;
  }

  .page-products .changelog-item__body {
    padding: 18px 18px;
  }

  .page-products .changelog-item__title {
    font-size: 1rem;
  }
}