/* ===== APP下载页面专属样式 ===== */
.page-products {
  --dl-blue-glow: rgba(0, 212, 255, 0.28);
  --dl-purple-glow: rgba(155, 89, 182, 0.24);
  position: relative;
  overflow: hidden;
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
}

/* ---------- 背景纹理 ---------- */
.pg-bg-texture {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.045;
  pointer-events: none;
  z-index: 0;
}

/* ---------- 官方下载入口 ---------- */
.dl-hero {
  position: relative;
  z-index: 1;
  padding: 32px 0 56px;
}
.dl-hero-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 44px;
  align-items: center;
}
.dl-hero-copy .breadcrumb {
  margin: 0 0 24px;
}
.dl-title {
  font-family: var(--font-display);
  font-size: clamp(30px, 6vw, 46px);
  line-height: 1.14;
  letter-spacing: 0.02em;
  font-weight: 800;
  color: var(--color-text);
  margin: 10px 0 18px;
}
.dl-title::after {
  content: "";
  display: block;
  width: 76px;
  height: 4px;
  margin-top: 16px;
  border-radius: var(--radius-pill);
  background: var(--gradient-bright);
  box-shadow: 0 0 18px var(--dl-blue-glow);
}
.dl-lead {
  color: var(--color-muted);
  font-size: 16px;
  line-height: 1.8;
  max-width: 560px;
  margin: 0;
}
.dl-lead strong {
  color: var(--color-blue);
  font-weight: 600;
}
.dl-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 30px 0 20px;
}
.dl-btn {
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  transition: transform 0.25s var(--ease-main), box-shadow 0.25s var(--ease-main);
}
.dl-btn:hover {
  transform: translateY(-2px);
}
.dl-note {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: rgba(26, 31, 46, 0.72);
  border: 1px solid rgba(139, 147, 167, 0.2);
  border-radius: var(--radius-md);
  font-size: 13px;
  color: var(--color-muted);
  max-width: 480px;
}
.dl-note .mono {
  color: var(--color-blue);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.dl-platforms {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin: 18px 0 0;
  max-width: 500px;
}
.dl-platform {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: rgba(26, 31, 46, 0.72);
  border: 1px solid rgba(0, 212, 255, 0.22);
  border-radius: var(--radius-md);
}
.dl-platform--ios {
  border-color: rgba(155, 89, 182, 0.34);
}
.dl-platform-badge {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--gradient-bright);
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
}
.dl-platform--ios .dl-platform-badge {
  background: linear-gradient(135deg, var(--color-purple), #c77dff);
}
.dl-platform-copy {
  min-width: 0;
}
.dl-platform-name {
  display: block;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 0.04em;
}
.dl-platform-desc {
  display: block;
  margin-top: 3px;
  font-size: 11px;
  line-height: 1.45;
  color: var(--color-muted);
}

/* ---------- 手机设备视觉 ---------- */
.dl-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 24px 0;
  min-height: 360px;
}
.dl-visual::before {
  content: "";
  position: absolute;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.15), transparent 68%);
  filter: blur(6px);
  z-index: -1;
}
.dl-visual::after {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px dashed rgba(0, 212, 255, 0.22);
  border-radius: var(--radius-lg);
  transform: rotate(4deg);
  pointer-events: none;
}
.dl-phone {
  position: relative;
  width: 226px;
  height: 452px;
  padding: 14px;
  border-radius: 36px;
  background: linear-gradient(160deg, var(--color-card) 0%, var(--color-bg-rail) 100%);
  border: 2px solid rgba(0, 212, 255, 0.4);
  box-shadow:
    0 0 0 5px rgba(26, 31, 46, 0.9),
    0 0 44px var(--dl-blue-glow),
    inset 0 0 18px rgba(0, 0, 0, 0.35);
  transform: rotate(-5deg);
  transition: transform 0.3s var(--ease-main);
}
.dl-phone::before {
  content: "";
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: 88px;
  height: 7px;
  border-radius: var(--radius-pill);
  background: rgba(139, 147, 167, 0.45);
  z-index: 2;
}
.dl-phone-screen {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid rgba(139, 147, 167, 0.35);
  background: var(--color-bg);
}
.dl-phone-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.dl-float-chip {
  position: absolute;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  font-size: 12px;
  letter-spacing: 0.06em;
  background: rgba(26, 31, 46, 0.92);
  border: 1px solid rgba(0, 212, 255, 0.35);
  border-radius: var(--radius-pill);
  color: var(--color-text);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.45);
  white-space: nowrap;
}
.dl-float-chip::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-blue);
  box-shadow: 0 0 10px var(--color-blue);
}
.dl-float-chip--curve {
  top: 10%;
  right: 0;
}
.dl-float-chip--update {
  bottom: 12%;
  left: 0;
  border-color: rgba(255, 215, 0, 0.45);
}
.dl-float-chip--update::before {
  background: var(--color-gold);
  box-shadow: 0 0 10px var(--color-gold);
}

/* ---------- 斜切分割带 ---------- */
.slant-divider {
  position: relative;
  z-index: 1;
  height: 42px;
  margin-top: -8px;
  background: linear-gradient(105deg, rgba(0, 212, 255, 0.12), rgba(26, 31, 46, 0.5) 30%, transparent 68%, rgba(155, 89, 182, 0.16));
  transform: skewY(-2.4deg);
  border-top: 1px solid rgba(0, 212, 255, 0.16);
  border-bottom: 1px solid rgba(155, 89, 182, 0.22);
}

/* ---------- 移动端适配清单 ---------- */
.compat-section {
  position: relative;
  z-index: 1;
  padding: 56px 0 76px;
  background: linear-gradient(180deg, rgba(26, 31, 46, 0.28), rgba(14, 20, 32, 0.72));
}
.compat-head {
  gap: 16px;
}
.compat-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  margin-top: 36px;
}
.compat-figure {
  margin: 0;
  padding: 16px;
  background: var(--color-card);
  border: 1px solid rgba(0, 212, 255, 0.16);
  border-radius: var(--radius-lg);
  text-align: center;
  align-self: start;
}
.compat-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
}
.compat-figure figcaption {
  margin-top: 12px;
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--color-muted);
}
.compat-panel-wrap {
  min-width: 0;
}
.compat-swipe {
  display: block;
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--color-muted);
  text-align: right;
}
.compat-tabbar {
  display: inline-flex;
  gap: 6px;
  padding: 6px;
  margin-bottom: 18px;
  background: var(--color-card);
  border: 1px solid rgba(139, 147, 167, 0.2);
  border-radius: var(--radius-pill);
}
.compat-tab {
  border: none;
  background: transparent;
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--color-muted);
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: background 0.25s var(--ease-main), color 0.25s var(--ease-main);
}
.compat-tab:hover {
  color: var(--color-text);
}
.compat-tab:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 2px;
}
.compat-tab[aria-selected="true"] {
  background: var(--gradient-bright);
  color: var(--color-text);
  font-weight: 700;
}
.compat-panel {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: rgba(0, 212, 255, 0.5) rgba(26, 31, 46, 0.6);
}
.compat-table {
  width: 100%;
  min-width: 600px;
  border-collapse: collapse;
  background: rgba(26, 31, 46, 0.66);
  border-radius: var(--radius-md);
  overflow: hidden;
  font-size: 14px;
}
.compat-table th {
  background: rgba(0, 212, 255, 0.1);
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: left;
  color: var(--color-blue);
  padding: 13px 16px;
}
.compat-table td {
  padding: 14px 16px;
  border-top: 1px solid rgba(139, 147, 167, 0.14);
  color: var(--color-text);
  line-height: 1.6;
}
.compat-table tbody tr {
  transition: background 0.2s ease;
}
.compat-table tbody tr:hover {
  background: rgba(0, 212, 255, 0.06);
}
.compat-table td:first-child {
  font-weight: 700;
  color: var(--color-text);
  font-family: var(--font-display);
  letter-spacing: 0.03em;
}
.compat-table td:last-child {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-blue);
}
.compat-tip {
  margin: 14px 0 0;
  font-size: 12px;
  color: var(--color-muted);
  letter-spacing: 0.03em;
}

/* ---------- 三步安装路径 ---------- */
.steps-section {
  position: relative;
  z-index: 1;
  padding: 72px 0;
  background: linear-gradient(160deg, var(--color-card) 0%, var(--color-bg) 90%);
}
.steps-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-line);
}
.steps-head {
  max-width: 680px;
}
.steps-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-top: 40px;
}
.steps-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
.step-card {
  position: relative;
  padding: 28px;
  background: rgba(26, 31, 46, 0.75);
  border: 1px solid rgba(139, 147, 167, 0.16);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.28s var(--ease-main), border-color 0.28s var(--ease-main), box-shadow 0.28s var(--ease-main);
}
.step-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 212, 255, 0.45);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.3);
}
.step-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-bright);
}
.step-card:nth-child(2)::before {
  background: linear-gradient(90deg, var(--color-purple), var(--color-blue));
}
.step-card:nth-child(3)::before {
  background: linear-gradient(90deg, var(--color-gold), var(--color-purple));
}
.step-card::after {
  content: "01";
  position: absolute;
  right: 10px;
  bottom: -16px;
  font-family: var(--font-mono);
  font-size: 88px;
  line-height: 1;
  font-weight: 700;
  color: rgba(139, 147, 167, 0.08);
  pointer-events: none;
}
.step-card:nth-child(2)::after {
  content: "02";
}
.step-card:nth-child(3)::after {
  content: "03";
}
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 48px;
  height: 48px;
  padding: 0 8px;
  font-size: 18px;
  font-weight: 700;
  color: var(--color-blue);
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.28);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  letter-spacing: 0.06em;
}
.step-title {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 10px;
  letter-spacing: 0.02em;
}
.step-desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-muted);
  margin: 0;
  max-width: 420px;
}
.step-link {
  color: var(--color-blue);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(0, 212, 255, 0.4);
  transition: color 0.2s ease, text-decoration-color 0.2s ease;
}
.step-link:hover {
  color: var(--color-gold);
  text-decoration-color: var(--color-gold);
}
.steps-media {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}
.steps-media::before {
  content: "";
  position: absolute;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(155, 89, 182, 0.14), transparent 70%);
}
.steps-media img {
  position: relative;
  width: 200px;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(155, 89, 182, 0.3);
  box-shadow: 0 0 32px var(--dl-purple-glow);
  transform: rotate(2deg);
}

/* ---------- 版本更新说明 ---------- */
.version-section {
  position: relative;
  z-index: 1;
  padding: 76px 0 96px;
}
.version-section::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--color-gold), var(--color-blue), transparent);
  opacity: 0.7;
}
.version-head {
  max-width: 720px;
}
.version-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
  margin-top: 36px;
}
.version-list {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  display: grid;
  gap: 14px;
}
.version-list li {
  position: relative;
  padding: 18px 20px 18px 48px;
  background: rgba(26, 31, 46, 0.72);
  border: 1px solid rgba(139, 147, 167, 0.16);
  border-left: 3px solid var(--color-blue);
  border-radius: var(--radius-md);
  transition: border-left-color 0.25s var(--ease-main), transform 0.25s var(--ease-main);
}
.version-list li:hover {
  border-left-color: var(--color-gold);
  transform: translateX(4px);
}
.version-list li::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-blue);
  box-shadow: 0 0 10px rgba(0, 212, 255, 0.6);
}
.version-list strong {
  display: block;
  font-family: var(--font-display);
  font-size: 16px;
  color: var(--color-text);
  letter-spacing: 0.03em;
  margin-bottom: 6px;
}
.version-list span {
  display: block;
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-muted);
}
.version-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 30px;
}
.stat-item {
  padding: 18px 12px;
  text-align: center;
  background: linear-gradient(150deg, rgba(0, 212, 255, 0.08), rgba(155, 89, 182, 0.08));
  border: 1px solid rgba(0, 212, 255, 0.18);
  border-radius: var(--radius-md);
}
.stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  color: var(--color-blue);
  line-height: 1.2;
  letter-spacing: 0.02em;
}
.stat-label {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  color: var(--color-muted);
}
.version-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.version-media {
  position: relative;
  align-self: center;
  padding: 16px;
  background: linear-gradient(140deg, rgba(0, 212, 255, 0.1), rgba(155, 89, 182, 0.12));
  border-radius: calc(var(--radius-lg) + 12px);
  transform: rotate(1.5deg);
  transition: transform 0.3s var(--ease-main);
}
.version-media:hover {
  transform: rotate(0deg);
}
.version-media img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(0, 212, 255, 0.22);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.36);
}

/* ---------- 动效克制 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-products .dl-phone,
  .page-products .dl-btn,
  .page-products .step-card,
  .page-products .version-media {
    transform: none !important;
    transition: none !important;
  }
}

/* ---------- 平板 ---------- */
@media (min-width: 768px) {
  .dl-hero {
    padding: 48px 0 72px;
  }
  .dl-visual {
    min-height: 460px;
  }
  .compat-swipe {
    display: none;
  }
  .steps-section {
    padding: 84px 0;
  }
  .steps-media img {
    width: 240px;
    height: 240px;
  }
  .version-stats {
    grid-template-columns: repeat(4, 1fr);
  }
  .version-section {
    padding: 88px 0 104px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 992px) {
  .dl-hero-inner {
    grid-template-columns: 1.06fr 0.94fr;
    gap: 48px;
  }
  .dl-visual {
    min-height: 500px;
  }
  .dl-phone {
    width: 246px;
    height: 492px;
  }
  .compat-section {
    padding: 72px 0 88px;
  }
  .compat-body {
    grid-template-columns: 320px 1fr;
    gap: 48px;
    align-items: start;
  }
  .steps-layout {
    grid-template-columns: 1.4fr 0.6fr;
    gap: 48px;
    align-items: center;
  }
  .steps-media img {
    width: 100%;
    max-width: 300px;
    height: auto;
  }
  .version-body {
    grid-template-columns: 1.12fr 0.88fr;
    gap: 48px;
    align-items: center;
  }
  .version-section {
    padding: 96px 0 112px;
  }
  .version-media img {
    max-width: 600px;
    margin: 0 auto;
  }
}