/* ============================================================
   page-products · 银河娱乐APP下载与稳定版浏览器说明
   ============================================================ */
.page-products {
  --prod-coral-glow: rgba(255, 127, 63, 0.32);
  --prod-gold-soft: rgba(212, 175, 55, 0.22);
  --prod-violet-deep: #140b2a;
  --prod-violet-mid: #221347;
  --prod-card-bg: rgba(59, 42, 109, 0.42);
  --prod-card-border: rgba(212, 175, 55, 0.2);
  --prod-radius: 20px;
  position: relative;
  background:
    radial-gradient(ellipse 40% 26% at 88% 8%, rgba(212, 175, 55, 0.06) 0%, transparent 62%),
    radial-gradient(ellipse 34% 22% at 4% 36%, rgba(74, 59, 124, 0.4) 0%, transparent 70%),
    var(--color-space);
  overflow-x: hidden;
}

.page-products::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 18% 12%, rgba(212, 175, 55, 0.045) 0, transparent 10px),
    radial-gradient(circle at 67% 24%, rgba(255, 255, 255, 0.035) 0, transparent 3px),
    radial-gradient(circle at 92% 58%, rgba(212, 175, 55, 0.05) 0, transparent 4px),
    radial-gradient(circle at 33% 78%, rgba(255, 255, 255, 0.02) 0, transparent 2px);
  background-size: 220px 220px, 260px 260px, 170px 170px, 200px 200px;
}

.page-products .container,
.page-products .prod-body {
  position: relative;
  z-index: 1;
}

/* ============ Hero ============ */
.prod-hero {
  padding: 1.75rem var(--gutter) 1.5rem;
  border-bottom: 1px solid rgba(212, 175, 55, 0.14);
  position: relative;
}

.prod-hero-img-wrap {
  position: relative;
}

.prod-hero-grid {
  display: grid;
  gap: 1.75rem;
  margin-top: 1.5rem;
}

.prod-hero-content {
  max-width: 760px;
}

.prod-hero-kicker {
  display: inline-block;
  font-family: var(--font-index);
  font-size: 0.85rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-gold);
  border: 1px solid rgba(212, 175, 55, 0.4);
  border-radius: 999px;
  padding: 0.3rem 0.9rem;
  margin-bottom: 1rem;
  background: rgba(27, 16, 53, 0.6);
  box-shadow: 0 0 14px rgba(212, 175, 55, 0.12);
}

.prod-hero-content h1 {
  margin: 0 0 0.9rem;
  font-size: clamp(1.7rem, 4.4vw, 2.7rem);
  line-height: 1.15;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-white);
  text-shadow: 0 0 12px rgba(212, 175, 55, 0.4);
}

.prod-hero-content .lead {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1rem;
  max-width: 62ch;
  margin: 0 0 1.6rem;
  line-height: 1.75;
}

.prod-hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.6rem;
  padding-top: 0.2rem;
}

.prod-stat-item {
  display: flex;
  align-items: baseline;
  gap: 0.45rem;
}

.prod-stat-num {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-gold);
  font-size: 1.2rem;
  letter-spacing: 0.03em;
  text-shadow: 0 0 10px rgba(212, 175, 55, 0.3);
}

.prod-stat-label {
  color: var(--color-silver);
  font-size: 0.82rem;
}

/* ============ 技能树导航 ============ */
.prod-tree {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
  align-self: end;
}

.tree-node {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.8rem 0.95rem;
  border: 1px solid rgba(212, 175, 55, 0.28);
  border-radius: 14px;
  background: rgba(27, 16, 53, 0.72);
  color: var(--color-white);
  text-decoration: none;
  font-size: 0.86rem;
  font-weight: 500;
  transition: border-color 0.35s var(--ease), box-shadow 0.35s var(--ease), transform 0.35s var(--ease);
}

.tree-node:hover,
.tree-node:focus-visible {
  border-color: var(--color-gold);
  box-shadow: 0 0 16px rgba(212, 175, 55, 0.25);
  transform: translateY(-2px);
  outline: none;
}

.tree-index {
  font-family: var(--font-index);
  font-weight: 700;
  font-size: 0.78rem;
  color: var(--color-gold);
  letter-spacing: 0.08em;
  border-right: 1px solid rgba(212, 175, 55, 0.3);
  padding-right: 0.5rem;
}

.tree-branch {
  display: none;
}

/* ============ 通用章节 ============ */
.prod-section {
  padding: 3rem var(--gutter);
}

.prod-section-alt {
  background:
    linear-gradient(135deg, rgba(20, 11, 42, 0.9) 0%, rgba(59, 42, 109, 0.32) 100%),
    var(--prod-violet-deep);
  border-top: 1px solid rgba(212, 175, 55, 0.1);
  border-bottom: 1px solid rgba(212, 175, 55, 0.1);
}

.prod-section .section-head {
  margin-bottom: 2rem;
}

.prod-section .section-eyebrow {
  color: var(--color-gold);
}

.prod-section .section-copy {
  max-width: 60ch;
}

/* ============ STEP 01 · 客户端下载 ============ */
.prod-download-grid {
  display: grid;
  gap: 1.25rem;
}

.prod-store-card {
  position: relative;
  border-radius: var(--prod-radius);
  background: var(--prod-card-bg);
  border: 1px solid var(--prod-card-border);
  padding: 0.85rem;
  overflow: hidden;
}

.prod-store-img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: calc(var(--prod-radius) - 6px);
  object-fit: cover;
}

.prod-store-tag {
  display: inline-block;
  margin-top: 0.9rem;
  padding: 0.35rem 0.8rem;
  font-size: 0.78rem;
  color: var(--color-paper);
  background: rgba(212, 175, 55, 0.12);
  border: 1px solid rgba(212, 175, 55, 0.25);
  border-radius: 999px;
}

.prod-download-panel {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.prod-panel-title {
  margin: 0;
  font-size: 1.1rem;
  color: var(--color-white);
  letter-spacing: 0.04em;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid rgba(212, 175, 55, 0.18);
}

.prod-download-item {
  background: var(--prod-card-bg);
  border: 1px solid var(--prod-card-border);
  border-radius: var(--prod-radius);
  padding: 1.1rem;
  transition: border-color 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.prod-download-item:hover {
  border-color: rgba(212, 175, 55, 0.5);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.24);
}

.prod-item-main {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-bottom: 0.45rem;
}

.prod-item-platform {
  color: var(--color-white);
  font-weight: 700;
  font-size: 1.02rem;
}

.prod-item-meta {
  font-family: var(--font-index);
  font-size: 0.85rem;
  color: var(--color-gold);
  letter-spacing: 0.05em;
  background: rgba(212, 175, 55, 0.1);
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  border: 1px solid rgba(212, 175, 55, 0.2);
}

.prod-item-desc {
  margin: 0 0 0.95rem;
  color: var(--color-silver);
  font-size: 0.88rem;
  line-height: 1.55;
}

.prod-download-btn {
  position: relative;
  overflow: hidden;
  width: 100%;
  justify-content: center;
}

.prod-download-btn::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.42) 0%, transparent 58%);
  opacity: 0;
  transform: scale(0.2);
  transition: transform 0.5s var(--ease), opacity 0.5s var(--ease);
  pointer-events: none;
}

.prod-download-btn:active::after {
  opacity: 1;
  transform: scale(2.2);
}

.prod-qr-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  border-radius: var(--prod-radius);
  background: var(--prod-card-bg);
  border: 1px solid var(--prod-card-border);
  padding: 1.5rem 1rem;
  text-align: center;
}

.prod-qr-img {
  width: 100%;
  max-width: 200px;
  height: auto;
  border-radius: 12px;
  border: 1px solid rgba(212, 175, 55, 0.2);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.prod-qr-card:hover .prod-qr-img {
  transform: scale(1.06);
  box-shadow: 0 0 24px rgba(212, 175, 55, 0.18);
}

.prod-qr-note {
  margin: 0;
  color: var(--color-silver);
  font-size: 0.85rem;
}

/* ============ STEP 02 · 稳定版浏览器特性 ============ */
.prod-feature-layout {
  display: grid;
  gap: 1.5rem;
}

.prod-browser-card {
  position: relative;
  border-radius: var(--prod-radius);
  background: var(--prod-card-bg);
  border: 1px solid var(--prod-card-border);
  padding: 0.85rem;
  align-self: start;
}

.prod-browser-img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: calc(var(--prod-radius) - 7px);
  object-fit: cover;
}

.prod-browser-caption {
  display: block;
  margin-top: 0.85rem;
  font-family: var(--font-index);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  color: var(--color-gold);
  text-align: center;
}

.prod-feature-list {
  display: grid;
  gap: 0.85rem;
}

.prod-feature-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: rgba(59, 42, 109, 0.3);
  border: 1px solid rgba(212, 175, 55, 0.12);
  border-radius: var(--prod-radius);
  padding: 1.2rem;
  transition: background 0.35s var(--ease), border-color 0.35s var(--ease), transform 0.35s var(--ease);
}

.prod-feature-item:hover {
  background: rgba(59, 42, 109, 0.52);
  border-color: rgba(212, 175, 55, 0.35);
  transform: translateX(4px);
}

.prod-feature-index {
  font-family: var(--font-index);
  font-weight: 700;
  font-size: 1.5rem;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(212, 175, 55, 0.65);
  flex: none;
}

.prod-feature-body h3 {
  margin: 0 0 0.45rem;
  color: var(--color-white);
  font-size: 1rem;
  line-height: 1.4;
}

.prod-feature-body p {
  margin: 0;
  color: var(--color-silver);
  font-size: 0.9rem;
  line-height: 1.65;
}

/* ============ STEP 03 · 版本更新日志 ============ */
.prod-changelog-grid {
  display: grid;
  gap: 1.5rem;
}

.prod-log-card {
  background: var(--prod-card-bg);
  border: 1px solid var(--prod-card-border);
  border-radius: var(--prod-radius);
  padding: 1.5rem;
}

.prod-log-head {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 1.4rem;
}

.prod-log-head h3 {
  margin: 0;
  color: var(--color-white);
  font-size: 1.1rem;
}

.prod-log-icon {
  width: 64px;
  height: 64px;
  border-radius: 14px;
  border: 1px solid rgba(212, 175, 55, 0.28);
  background: rgba(212, 175, 55, 0.06);
  object-fit: cover;
}

.prod-log-item {
  position: relative;
  padding-left: 1.6rem;
  padding-bottom: 1.4rem;
}

.prod-log-item::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 10px;
  bottom: -2px;
  width: 1px;
  background: linear-gradient(180deg, rgba(212, 175, 55, 0.55), rgba(212, 175, 55, 0.06));
}

.prod-log-item:last-child::before {
  display: none;
}

.prod-log-dot {
  position: absolute;
  left: 0;
  top: 9px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--color-gold);
  box-shadow: 0 0 12px rgba(212, 175, 55, 0.7);
}

.prod-log-version {
  display: inline-block;
  font-family: var(--font-index);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  color: var(--color-gold);
  background: rgba(212, 175, 55, 0.09);
  border: 1px solid rgba(212, 175, 55, 0.22);
  border-radius: 999px;
  padding: 0.22rem 0.7rem;
  margin-bottom: 0.4rem;
}

.prod-log-body h4 {
  margin: 0 0 0.4rem;
  color: var(--color-white);
  font-size: 0.98rem;
}

.prod-log-body p {
  margin: 0;
  color: var(--color-silver);
  font-size: 0.88rem;
  line-height: 1.6;
}

.prod-log-more {
  margin-top: 0.6rem;
  border-top: 1px dashed rgba(212, 175, 55, 0.18);
  padding-top: 0.8rem;
  color: var(--color-silver);
  font-size: 0.88rem;
}

.prod-log-more summary {
  cursor: pointer;
  color: var(--color-gold);
  font-weight: 500;
  transition: opacity 0.3s var(--ease);
}

.prod-log-more summary:hover {
  opacity: 0.8;
}

.prod-log-more p {
  margin: 0.7rem 0 0;
  line-height: 1.7;
}

.prod-perf-card {
  border-radius: var(--prod-radius);
  background: var(--prod-card-bg);
  border: 1px solid var(--prod-card-border);
  padding: 1.4rem;
  align-self: start;
}

.prod-perf-card h3 {
  margin: 0 0 0.9rem;
  color: var(--color-white);
  font-size: 1.1rem;
}

.prod-perf-img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 14px;
  object-fit: cover;
  border: 1px solid rgba(212, 175, 55, 0.12);
}

.prod-perf-card p {
  margin: 0.9rem 0 0;
  color: var(--color-silver);
  font-size: 0.88rem;
  line-height: 1.65;
}

/* ============ STEP 04 · 安装指引 ============ */
.prod-install-grid {
  display: grid;
  gap: 1.5rem;
}

.prod-steps-tree {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.prod-step {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: rgba(59, 42, 109, 0.3);
  border: 1px solid rgba(212, 175, 55, 0.12);
  border-radius: var(--prod-radius);
  padding: 1.2rem;
  transition: border-color 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.prod-step:hover {
  border-color: rgba(212, 175, 55, 0.38);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
}

.prod-step-num {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: none;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.3), rgba(212, 175, 55, 0.08));
  border: 1px solid rgba(212, 175, 55, 0.5);
  color: var(--color-gold);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  box-shadow: 0 0 14px rgba(212, 175, 55, 0.18);
}

.prod-step-body h3 {
  margin: 0 0 0.35rem;
  color: var(--color-white);
  font-size: 1rem;
}

.prod-step-body p {
  margin: 0;
  color: var(--color-silver);
  font-size: 0.9rem;
  line-height: 1.62;
}

.prod-step-line {
  display: block;
  width: 1px;
  height: 1.6rem;
  margin-left: 1.55rem;
  background: linear-gradient(180deg, rgba(212, 175, 55, 0.5), rgba(212, 175, 55, 0.08));
}

.prod-install-note-card {
  border-radius: var(--prod-radius);
  background: linear-gradient(145deg, rgba(59, 42, 109, 0.62), rgba(20, 11, 42, 0.85));
  border: 1px solid rgba(212, 175, 55, 0.22);
  padding: 1.5rem;
  align-self: start;
}

.prod-install-note-card h3 {
  margin: 0 0 1rem;
  color: var(--color-white);
  font-size: 1.1rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid rgba(212, 175, 55, 0.18);
}

.prod-note-list {
  margin: 0 0 1.2rem;
  padding-left: 1.2rem;
  color: var(--color-silver);
  font-size: 0.9rem;
  line-height: 1.7;
}

.prod-note-list li {
  margin-bottom: 0.5rem;
}

.prod-note-list a {
  color: var(--color-gold);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.prod-contact-btn {
  width: 100%;
  justify-content: center;
}

.prod-note-meta {
  margin: 0.9rem 0 0;
  color: var(--color-silver);
  font-size: 0.82rem;
  line-height: 1.6;
}

/* ============ 结尾区块 ============ */
.prod-outro {
  padding: 2rem var(--gutter) 3rem;
  text-align: center;
}

.prod-outro p {
  margin: 0;
  color: var(--color-silver);
  font-size: 0.9rem;
  line-height: 1.7;
}

.prod-outro a {
  color: var(--color-gold);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.3s var(--ease);
}

.prod-outro a:hover {
  color: var(--color-white);
}

/* ============ 响应式：平板 ============ */
@media (min-width: 720px) {
  .prod-download-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.3fr) minmax(0, 0.75fr);
    align-items: start;
  }

  .prod-download-panel {
    gap: 0.9rem;
  }

  .prod-changelog-grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
    align-items: start;
  }

  .prod-log-card {
    padding: 1.6rem;
  }
}

/* ============ 响应式：桌面 ============ */
@media (min-width: 960px) {
  .prod-hero {
    padding-top: 2.5rem;
  }

  .prod-hero-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: end;
    gap: 2.5rem;
  }

  .prod-tree {
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    gap: 0;
  }

  .tree-branch {
    display: block;
    width: 1.6rem;
    height: 1px;
    flex: none;
    background: linear-gradient(90deg, rgba(212, 175, 55, 0.6), rgba(212, 175, 55, 0.04));
  }

  .tree-node {
    padding: 0.8rem 1.05rem;
    flex: none;
    font-size: 0.82rem;
  }

  .prod-section {
    padding: 4.5rem var(--gutter);
  }

  .prod-section .section-head {
    margin-bottom: 2.6rem;
  }

  .prod-feature-layout {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: start;
    gap: 2.4rem;
  }

  .prod-feature-item {
    padding: 1.35rem;
  }

  .prod-install-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
    gap: 2rem;
  }

  .prod-step {
    padding: 1.35rem 1.4rem;
  }
}

/* ============ 响应式：宽屏 ============ */
@media (min-width: 1280px) {
  .prod-hero-grid {
    gap: 3.5rem;
  }

  .prod-download-grid {
    gap: 1.6rem;
  }

  .prod-feature-layout,
  .prod-changelog-grid,
  .prod-install-grid {
    gap: 2.5rem;
  }
}

/* ============ 减少动效偏好 ============ */
@media (prefers-reduced-motion: reduce) {
  .page-products *,
  .page-products *::before,
  .page-products *::after {
    animation: none !important;
    transition: none !important;
  }
}