/* 智云台风格 · 全屏分页切换布局 */
:root {
  --zyt-nav-h: 64px;
  --zyt-dark: #0b1a2e;
  --zyt-dark-2: #122640;
  --zyt-accent: #0071e3;
}

body.zyt-mode {
  overflow-x: hidden;
}
body.zyt-mode .jt-header,
body.zyt-mode .jt-mobile-nav {
  display: none !important;
}

.zyt-header {
  position: fixed;
  top: 40px;
  left: 0;
  right: 0;
  z-index: 90;
  height: var(--zyt-nav-h);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}
body:not(.has-preview-notice) .zyt-header { top: 0; }

.zyt-header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 20px;
}

.zyt-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 17px;
  color: var(--jt-text);
  flex-shrink: 0;
  text-decoration: none;
}
.zyt-logo img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.zyt-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
  flex-wrap: wrap;
}
.zyt-nav button {
  border: none;
  background: transparent;
  font: inherit;
  font-size: 14px;
  color: var(--jt-text-soft);
  padding: 8px 14px;
  border-radius: 8px;
  cursor: pointer;
  transition: color 0.2s, background 0.2s;
}
.zyt-nav button:hover {
  color: var(--zyt-accent);
  background: rgba(0, 113, 227, 0.06);
}
.zyt-nav button.active {
  color: var(--zyt-accent);
  font-weight: 600;
  background: rgba(0, 113, 227, 0.1);
}

.zyt-header-cta {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
}
.zyt-btn-solid {
  display: inline-flex;
  align-items: center;
  padding: 9px 18px;
  border-radius: 999px;
  background: var(--zyt-accent);
  color: #fff !important;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(0, 113, 227, 0.28);
}
.zyt-btn-outline {
  display: inline-flex;
  align-items: center;
  padding: 9px 16px;
  border-radius: 999px;
  border: 1px solid var(--jt-border-subtle);
  color: var(--jt-text);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  background: #fff;
}

.zyt-main {
  padding-top: calc(40px + var(--zyt-nav-h));
  min-height: 100vh;
}
body:not(.has-preview-notice) .zyt-main {
  padding-top: var(--zyt-nav-h);
}

.site-view {
  display: none;
  min-height: calc(100vh - var(--zyt-nav-h) - 40px);
}
.site-view.active {
  display: block;
}

/* 首页 Hero · 深色全宽 */
.zyt-hero {
  background: linear-gradient(145deg, var(--zyt-dark) 0%, var(--zyt-dark-2) 50%, #1a4a7a 100%);
  color: #fff;
  padding: 72px 0 56px;
  text-align: center;
}
.zyt-hero h1 {
  font-size: clamp(32px, 5vw, 52px);
  line-height: 1.2;
  margin: 0 0 16px;
  font-weight: 700;
}
.zyt-hero h1 span {
  display: block;
  font-size: 0.55em;
  font-weight: 500;
  opacity: 0.92;
  margin-top: 8px;
}
.zyt-hero-sub {
  font-size: 18px;
  opacity: 0.88;
  max-width: 560px;
  margin: 0 auto 32px;
  line-height: 1.65;
}
.zyt-hero-cta {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.zyt-hero-cta .jt-btn-primary {
  background: #fff;
  color: var(--zyt-accent);
  border: none;
}
.zyt-hero-cta .jt-btn-ghost {
  border-color: rgba(255, 255, 255, 0.45);
  color: #fff;
}

.zyt-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 24px;
}
@media (max-width: 640px) {
  .zyt-metrics { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
  .zyt-header-inner { padding: 0 12px; gap: 10px; }
  .zyt-logo span { display: none; }
  .zyt-nav {
    overflow-x: auto;
    justify-content: flex-start;
    flex: 1;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    mask-image: linear-gradient(90deg, #000 92%, transparent);
  }
  .zyt-nav::-webkit-scrollbar { display: none; }
  .zyt-nav button { flex-shrink: 0; font-size: 12px; padding: 6px 10px; }
  .zyt-header-cta .zyt-btn-solid { padding: 8px 12px; font-size: 12px; }
}
.zyt-metric {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  padding: 24px 16px;
}
.zyt-metric strong {
  display: block;
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 6px;
}
.zyt-metric span {
  font-size: 13px;
  opacity: 0.85;
}

/* 内页统一：模块标题 + 三列卡片（智云台模块感） */
.zyt-page {
  padding: 56px 0 64px;
  background: var(--jt-bg);
}
.zyt-page.alt {
  background: var(--jt-bg-alt);
}
.zyt-page-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 40px;
  padding: 0 24px;
}
.zyt-page-head h2 {
  font-size: 28px;
  margin: 0 0 12px;
}
.zyt-page-head p {
  color: var(--jt-text-soft);
  font-size: 15px;
  line-height: 1.65;
  margin: 0;
}
.zyt-page-head .jt-kicker {
  margin-bottom: 8px;
}

.zyt-module-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}
@media (max-width: 900px) {
  .zyt-module-grid { grid-template-columns: 1fr; }
}

.zyt-module-card {
  background: #fff;
  border: 1px solid var(--jt-border-subtle);
  border-radius: 16px;
  padding: 28px 24px;
  transition: box-shadow 0.25s, transform 0.25s;
}
.zyt-module-card:hover {
  box-shadow: 0 12px 32px rgba(0, 85, 139, 0.1);
  transform: translateY(-4px);
}
.zyt-module-card h3 {
  font-size: 17px;
  margin: 0 0 10px;
  color: var(--jt-primary);
}
.zyt-module-card p {
  font-size: 14px;
  color: var(--jt-text-soft);
  line-height: 1.65;
  margin: 0;
}

/* 品牌墙在分页内可滚动 */
.site-view .jt-section {
  padding-top: 48px;
  padding-bottom: 48px;
}
.site-view .jt-section:first-child {
  padding-top: 32px;
}

/* 插件下载页 · 视频展示区 */
.jx-dl-video-block {
  margin-top: 48px;
}

.jx-video-showcase {
  background: #fff;
  border: 1px solid var(--jt-border-subtle);
  border-radius: 20px;
  padding: 32px 32px 28px;
  box-shadow: 0 8px 32px rgba(0, 85, 139, 0.06);
}
@media (max-width: 640px) {
  .jx-video-showcase { padding: 20px 16px 18px; border-radius: 16px; }
}

.jx-video-showcase-head {
  text-align: center;
  margin-bottom: 28px;
}
.jx-video-badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--zyt-accent);
  background: rgba(0, 113, 227, 0.08);
  border: 1px solid rgba(0, 113, 227, 0.15);
  padding: 5px 14px;
  border-radius: 999px;
  margin-bottom: 12px;
}
.jx-video-showcase-head h3 {
  margin: 0 0 8px;
  font-size: 22px;
  color: var(--jt-text);
  font-weight: 700;
}
.jx-video-showcase-head p {
  margin: 0;
  font-size: 14px;
  color: var(--jt-text-soft);
  line-height: 1.6;
}

.jx-video-stage {
  position: relative;
  padding: 6px;
}
.jx-video-glow {
  position: absolute;
  inset: -8px;
  border-radius: 22px;
  background: linear-gradient(135deg, rgba(0, 113, 227, 0.22) 0%, rgba(0, 85, 139, 0.08) 45%, rgba(26, 74, 122, 0.18) 100%);
  filter: blur(20px);
  opacity: 0.75;
  z-index: 0;
  pointer-events: none;
}

.jx-video-frame {
  position: relative;
  width: 100%;
  z-index: 1;
  aspect-ratio: 16 / 9;
  background: #0a1628;
  border-radius: 16px;
  overflow: hidden;
  border: 3px solid rgba(255, 255, 255, 0.92);
  box-shadow:
    0 0 0 1px rgba(0, 85, 139, 0.12),
    0 20px 50px rgba(0, 45, 90, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
}
.jx-video-frame.jx-video-large {
  min-height: min(50vw, 540px);
}
@media (min-width: 1024px) {
  .jx-video-frame.jx-video-large { min-height: 500px; }
}
@media (max-width: 640px) {
  .jx-video-frame.jx-video-large { min-height: 200px; border-radius: 12px; border-width: 2px; }
}

.jx-video-frame video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  background: #000;
}

.jx-video-placeholder {
  position: absolute;
  inset: 0;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 32px 24px;
  gap: 0;
  z-index: 2;
}
.jx-video-placeholder.show { display: flex; }

.jx-video-placeholder.jx-video-poster {
  cursor: pointer;
}
.jx-video-placeholder.jx-video-poster:hover .jx-video-play {
  transform: scale(1.06);
  background: rgba(255, 255, 255, 0.18);
}
.jx-video-placeholder.jx-video-poster-loading .jx-video-play {
  opacity: 0.35;
  animation: none;
}
.jx-video-placeholder.jx-video-poster-loading {
  cursor: wait;
  pointer-events: none;
}

.jx-video-loading-spinner {
  position: relative;
  width: 36px;
  height: 36px;
  margin-bottom: 12px;
  border: 3px solid rgba(255, 255, 255, 0.2);
  border-top-color: #fff;
  border-radius: 50%;
  animation: jx-video-spin 0.75s linear infinite;
}
.jx-video-loading-spinner.jx-is-hidden {
  display: none !important;
}
@keyframes jx-video-spin {
  to { transform: rotate(360deg); }
}

.jx-video-frame.jx-video-loading video {
  opacity: 0;
}

.jx-video-placeholder-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 40%, rgba(0, 113, 227, 0.35) 0%, transparent 70%),
    linear-gradient(160deg, #0b1a2e 0%, #122640 40%, #1a4a7a 100%);
}
.jx-video-placeholder-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, #000 20%, transparent 100%);
}

.jx-video-placeholder .jx-video-play {
  position: relative;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  transition: transform 0.2s ease, background 0.2s ease;
  backdrop-filter: blur(8px);
  border: 2px solid rgba(255, 255, 255, 0.28);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  margin-bottom: 20px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
  animation: jx-video-pulse 2.4s ease-in-out infinite;
}
@keyframes jx-video-pulse {
  0%, 100% { box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25), 0 0 0 0 rgba(255, 255, 255, 0.15); }
  50% { box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25), 0 0 0 12px rgba(255, 255, 255, 0); }
}

.jx-video-placeholder-title {
  position: relative;
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 600;
  color: #fff;
  letter-spacing: 0.02em;
}
.jx-video-placeholder-sub {
  position: relative;
  margin: 0;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.72);
  max-width: 260px;
  line-height: 1.55;
}

.jx-video-tags {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}
.jx-video-tags span {
  font-size: 12px;
  color: var(--jt-text-soft);
  background: var(--jt-bg-alt);
  border: 1px solid var(--jt-border-subtle);
  padding: 6px 14px;
  border-radius: 999px;
}

@media (prefers-reduced-motion: reduce) {
  .jx-video-placeholder .jx-video-play { animation: none; }
}