:root {
  --bg-deep: #05070c;
  --bg-main: #070a12;
  --bg-card: rgba(12, 17, 28, 0.7);
  --bg-card-hover: rgba(18, 25, 42, 0.85);
  --bg-card-active: rgba(22, 32, 54, 0.95);
  
  --cyan: #00f0ff;
  --cyan-bright: #67e8f9;
  --cyan-glow: rgba(0, 240, 255, 0.28);
  --blue: #0284c7;
  --purple: #8b5cf6;
  --magenta: #ec4899;
  --amber: #f59e0b;
  --emerald: #10b981;
  --green: #10b981;
  --gradient-primary: linear-gradient(135deg, #00f0ff 0%, #0284c7 100%);
  --font-sans: var(--font-body);
  
  --text-main: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.14);
  --border-cyan: rgba(0, 240, 255, 0.35);
  
  --font-display: "Outfit", "Noto Sans SC", system-ui, sans-serif;
  --font-body: "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "DM Mono", monospace;
  
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-pill: 9999px;
  
  --shadow-card: 0 16px 36px -10px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 25px var(--cyan-glow);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  background-color: var(--bg-deep);
  color: var(--text-main);
  font-family: var(--font-body);
}

body {
  margin: 0;
  overflow-x: hidden;
  background-color: var(--bg-deep);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

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

code {
  font-family: var(--font-mono);
  background: rgba(0, 240, 255, 0.12);
  color: var(--cyan-bright);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-size: 0.88em;
  border: 1px solid rgba(0, 240, 255, 0.2);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

/* 顶部状态条 */
.top-announcement {
  background: linear-gradient(90deg, #091221, #0f1c33, #091221);
  border-bottom: 1px solid rgba(0, 240, 255, 0.18);
  font-size: 0.8rem;
  padding: 0.45rem 1.25rem;
  position: relative;
  z-index: 50;
}

.announcement-content {
  max-width: 1380px;
  margin: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  text-align: center;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.15rem 0.6rem;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.4);
  color: #34d399;
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 8px #10b981;
  animation: pulse-green 2s infinite;
}

@keyframes pulse-green {
  0% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
  100% { opacity: 1; transform: scale(1); }
}

.announcement-text {
  color: var(--text-secondary);
  font-weight: 500;
}

.announcement-link {
  color: var(--cyan);
  font-weight: 600;
  transition: opacity 0.2s;
}
.announcement-link:hover {
  text-decoration: underline;
}

/* 导航栏 */
.header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(7, 10, 18, 0.82);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border-subtle);
  transition: all 0.3s ease;
}

.nav-container {
  max-width: 1380px;
  margin: auto;
  padding: 0 1.5rem;
  height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-shrink: 0;
  white-space: nowrap;
}

.brand-mark {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  border-radius: 9px;
  display: grid;
  place-items: center;
  color: #040810;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.4rem;
  box-shadow: 0 0 18px rgba(0, 240, 255, 0.45);
  flex-shrink: 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
  white-space: nowrap;
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.25rem;
  letter-spacing: 0.12em;
  color: #fff;
  line-height: 1.1;
  white-space: nowrap;
}

.brand-badge {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  color: var(--cyan);
  white-space: nowrap;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(0.75rem, 1.2vw, 1.25rem);
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.2s, transform 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  white-space: nowrap;
  flex-shrink: 0;
}

.nav-link:hover {
  color: var(--cyan);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  white-space: nowrap;
  flex-shrink: 0;
}

.nav-count {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  background: rgba(0, 240, 255, 0.15);
  color: var(--cyan);
  padding: 0.08rem 0.35rem;
  border-radius: 4px;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.menu-toggle i {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  transition: all 0.3s ease;
}

/* 基础按钮体系 */
.btn-primary, .btn-glow, .btn-glass, .btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  letter-spacing: 0.02em;
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  flex-shrink: 0;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 0.85rem 1.75rem;
  font-size: 1rem;
}

.btn-block {
  width: 100%;
  padding: 0.8rem;
}

.btn-glow {
  background: linear-gradient(135deg, var(--cyan), #0284c7);
  color: #030712;
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.38);
}
.btn-glow:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(0, 240, 255, 0.6);
  color: #000;
}

.btn-primary {
  background: linear-gradient(135deg, #00f0ff 0%, #0099ff 100%);
  color: #030712;
  box-shadow: 0 4px 20px rgba(0, 240, 255, 0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 30px rgba(0, 240, 255, 0.55);
}

.btn-glass {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  border: 1px solid var(--border-medium);
  backdrop-filter: blur(10px);
}
.btn-glass:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--cyan);
  border: 1px solid var(--border-cyan);
}
.btn-outline:hover {
  background: rgba(0, 240, 255, 0.1);
  border-color: var(--cyan);
  transform: translateY(-2px);
}

/* HERO SECTION */
.hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  padding: 5rem 1.5rem 4rem;
  overflow: hidden;
}

.hero-bg-effects {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  mask-image: linear-gradient(to bottom, #000 0%, #000 50%, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, #000 50%, transparent 100%);
}

.cyber-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(0, 240, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 240, 255, 0.04) 1px, transparent 1px);
  background-size: 50px 50px;
  mask-image: radial-gradient(circle at 50% 40%, black 20%, transparent 80%);
}

.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(110px);
  opacity: 0.35;
}

.orb-1 {
  width: 550px;
  height: 550px;
  background: #0070f3;
  top: -100px;
  right: 5%;
}

.orb-2 {
  width: 480px;
  height: 480px;
  background: #8b5cf6;
  bottom: -50px;
  left: -100px;
}

.hero-container {
  max-width: 1380px;
  margin: auto;
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.35rem 0.85rem;
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid rgba(0, 240, 255, 0.25);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--cyan);
  letter-spacing: 0.12em;
  margin-bottom: 1.5rem;
}

.pulse-icon {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
  animation: pulse-green 1.8s infinite;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 5.5vw, 4.8rem);
  line-height: 1.05;
  font-weight: 900;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.gradient-text {
  background: linear-gradient(135deg, #ffffff 10%, #67e8f9 55%, #0284c7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.hero-desc {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 2.2rem;
  max-width: 620px;
}

.hero-desc strong {
  color: #fff;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3rem;
}

.hero-metrics {
  display: flex;
  align-items: center;
  gap: 1.8rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
}

.metric-item {
  display: flex;
  flex-direction: column;
}

.metric-val {
  font-family: var(--font-display);
  font-size: 1.9rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
}

.metric-val small {
  font-size: 0.9rem;
  color: var(--cyan);
  margin-left: 2px;
}

.metric-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.metric-divider {
  width: 1px;
  height: 38px;
  background: var(--border-subtle);
}

/* HERO 右侧画卷容器 */
.hero-visual {
  position: relative;
}

.showcase-card {
  position: relative;
  border-radius: var(--radius-lg);
  padding: 6px;
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.4), rgba(255, 255, 255, 0.05), rgba(139, 92, 246, 0.3));
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.8), 0 0 40px rgba(0, 240, 255, 0.2);
}

.showcase-media {
  position: relative;
  border-radius: calc(var(--radius-lg) - 4px);
  overflow: hidden;
  background: #090e18;
}

.showcase-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.showcase-card:hover .showcase-media img {
  transform: scale(1.02);
}

/* 浮动 HUD 标记 */
.hud-tag {
  position: absolute;
  pointer-events: none;
  transform: translate(-50%, -50%);
  animation: float 4s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translate(-50%, -50%); }
  50% { transform: translate(-50%, -58%); }
}

.hud-box {
  background: rgba(6, 12, 24, 0.88);
  border: 1px solid var(--border-cyan);
  backdrop-filter: blur(8px);
  padding: 0.35rem 0.65rem;
  border-radius: 6px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.6);
  white-space: nowrap;
}

.hud-title {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--cyan);
}

.hud-sub {
  display: block;
  font-size: 0.66rem;
  color: var(--text-muted);
}

.hud-gold {
  border-color: rgba(245, 158, 11, 0.6);
}
.hud-gold .hud-title {
  color: #fbbf24;
}

.hud-cyan {
  border-color: rgba(56, 189, 248, 0.6);
}
.hud-cyan .hud-title {
  color: #38bdf8;
}

.showcase-badge-overlay {
  position: absolute;
  bottom: 0;
  inset-inline: 0;
  padding: 1.2rem;
  background: linear-gradient(0deg, rgba(6, 10, 18, 0.96) 0%, rgba(6, 10, 18, 0.6) 70%, transparent 100%);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.overlay-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.badge-accent {
  background: rgba(0, 240, 255, 0.18);
  color: var(--cyan);
  border: 1px solid rgba(0, 240, 255, 0.45);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  font-size: 0.72rem;
  font-weight: 700;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  display: inline-flex;
  align-items: center;
  line-height: 1.2;
}

.badge-dark {
  background: rgba(15, 23, 42, 0.75);
  color: #cbd5e1;
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  font-size: 0.72rem;
  font-family: var(--font-mono);
  display: inline-flex;
  align-items: center;
  backdrop-filter: blur(8px);
  line-height: 1.2;
}

.overlay-stats {
  display: flex;
  gap: 1.25rem;
  font-size: 0.78rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  flex-wrap: wrap;
}

/* 通用板块与排版 */
.products-section, .gallery-section, .security-section, .pricing-section, .faq-section {
  padding: 6.5rem 1.5rem;
  max-width: 1380px;
  margin: auto;
}

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 3.5rem;
}

.tag-pill {
  display: inline-block;
  padding: 0.25rem 0.8rem;
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid var(--border-cyan);
  border-radius: var(--radius-pill);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  margin-bottom: 1rem;
}

.tag-safe {
  background: rgba(16, 185, 129, 0.08);
  border-color: rgba(16, 185, 129, 0.4);
  color: #34d399;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.8vw, 3.2rem);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* 产品双 TAB 切换栏 */
.product-tabs {
  display: flex;
  justify-content: center;
  gap: 1.2rem;
  margin-top: 2.5rem;
}

.tab-btn {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  color: var(--text-secondary);
  text-align: left;
  transition: all 0.3s ease;
}

.tab-btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-medium);
  transform: translateY(-2px);
}

.tab-btn.active {
  background: rgba(0, 240, 255, 0.08);
  border-color: var(--cyan);
  color: #fff;
  box-shadow: 0 0 25px rgba(0, 240, 255, 0.2);
}

.tab-icon {
  font-size: 1.75rem;
}

.tab-info strong {
  display: block;
  font-size: 1.15rem;
  font-family: var(--font-display);
}

.tab-info span {
  font-size: 0.8rem;
  color: var(--text-muted);
}
.tab-btn.active .tab-info span {
  color: var(--cyan-bright);
}

.tab-content {
  display: none;
  animation: fadeIn 0.4s ease forwards;
}
.tab-content.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* CORE 网格卡片 */
.core-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  position: relative;
  overflow: hidden;
  transition: all 0.35s ease;
  display: flex;
  flex-direction: column;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-medium);
  box-shadow: var(--shadow-card);
}

.card-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
  width: max-content;
  margin-bottom: 1.2rem;
}

.card-content {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 1.5rem;
  align-items: center;
  height: 100%;
}

.card-content.single-col {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.card-text h3, .card-content.single-col h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
  color: #fff;
}

.card-text p, .card-content.single-col p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.7;
  margin-bottom: 1.2rem;
}

.card-preview {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  background: #090e18;
  position: relative;
  cursor: pointer;
}

.card-preview img {
  width: 100%;
  height: auto;
  transition: transform 0.4s ease;
}

.card-preview:hover img {
  transform: scale(1.05);
}

.feature-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  list-style: none;
}

.feature-pills li {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  padding: 0.25rem 0.6rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  color: var(--text-secondary);
}

.span-2 {
  grid-column: span 2;
}

.mb-1 {
  margin-bottom: 1.2rem;
  width: 100%;
}

/* 高亮边框修饰 */
.highlight-cyan:hover { border-color: var(--border-cyan); box-shadow: 0 0 25px rgba(0, 240, 255, 0.15); }
.highlight-purple:hover { border-color: rgba(139, 92, 246, 0.4); box-shadow: 0 0 25px rgba(139, 92, 246, 0.15); }
.highlight-blue:hover { border-color: rgba(56, 189, 248, 0.4); box-shadow: 0 0 25px rgba(56, 189, 248, 0.15); }
.highlight-magenta:hover { border-color: rgba(236, 72, 153, 0.4); box-shadow: 0 0 25px rgba(236, 72, 153, 0.15); }
.highlight-amber:hover { border-color: rgba(245, 158, 11, 0.4); box-shadow: 0 0 25px rgba(245, 158, 11, 0.15); }
.highlight-emerald:hover { border-color: rgba(16, 185, 129, 0.4); box-shadow: 0 0 25px rgba(16, 185, 129, 0.15); }

/* LAUNCHER 网格卡片 */
.launcher-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.8rem;
}

.launcher-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.2rem;
  transition: all 0.35s ease;
}

.launcher-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.launcher-card-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.2rem;
}

.launcher-icon {
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-medium);
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-size: 1.4rem;
}

.launcher-card-header h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: #fff;
}

.launcher-card-header span {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.launcher-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.launcher-preview {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  background: #080c16;
  cursor: pointer;
}

.launcher-preview img {
  width: 100%;
  height: auto;
  transition: transform 0.4s ease;
}
.launcher-preview:hover img {
  transform: scale(1.03);
}

.launcher-card-split {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 2rem;
  align-items: center;
}

/* 实机画面展示 (GALLERY & SHOWCASE) */
.gallery-filters {
  display: flex;
  justify-content: center;
  gap: 0.8rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.55rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  color: var(--text-secondary);
  font-size: 0.86rem;
  font-weight: 600;
  transition: all 0.25s ease;
}

.filter-btn:hover {
  background: var(--bg-card-hover);
  color: #fff;
}

.filter-btn.active {
  background: var(--cyan);
  color: #040810;
  border-color: var(--cyan);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.4);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
  margin-top: 2.5rem;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  cursor: pointer;
  transition: all 0.3s ease;
}

.gallery-item:hover {
  transform: translateY(-4px);
  border-color: var(--border-cyan);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.6);
}

.gallery-thumb {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.gallery-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.gallery-item:hover .gallery-thumb img {
  transform: scale(1.08);
}

.gallery-badge {
  display: none !important;
}

.badge-red { background: rgba(239, 68, 68, 0.25); color: #f87171; border: 1px solid rgba(239, 68, 68, 0.4); }
.badge-cyan { background: rgba(0, 240, 255, 0.25); color: var(--cyan); border: 1px solid var(--border-cyan); }
.badge-purple { background: rgba(139, 92, 246, 0.25); color: #c084fc; border: 1px solid rgba(139, 92, 246, 0.4); }
.badge-blue { background: rgba(56, 189, 248, 0.25); color: #38bdf8; border: 1px solid rgba(56, 189, 248, 0.4); }
.badge-magenta { background: rgba(236, 72, 153, 0.25); color: #f472b6; border: 1px solid rgba(236, 72, 153, 0.4); }
.badge-amber { background: rgba(245, 158, 11, 0.25); color: #fbbf24; border: 1px solid rgba(245, 158, 11, 0.4); }
.badge-emerald { background: rgba(16, 185, 129, 0.25); color: #34d399; border: 1px solid rgba(16, 185, 129, 0.4); }

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(6, 10, 18, 0.95) 0%, rgba(6, 10, 18, 0.4) 60%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1rem;
  opacity: 0.9;
  transition: opacity 0.3s ease;
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-zoom-icon {
  font-size: 0.75rem;
  color: var(--cyan);
  font-family: var(--font-mono);
  margin-bottom: 0.25rem;
}

.gallery-overlay h4 {
  font-size: 0.95rem;
  color: #fff;
  font-weight: 600;
}

/* 安全防封专区 (SECURITY) */
.security-section {
  background: linear-gradient(180deg, transparent, rgba(16, 185, 129, 0.03), transparent);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.security-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.shield-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.2rem 1.75rem;
  transition: all 0.3s ease;
  position: relative;
}

.shield-card:hover {
  transform: translateY(-4px);
  border-color: rgba(16, 185, 129, 0.4);
  box-shadow: 0 10px 30px rgba(16, 185, 129, 0.1);
}

.shield-icon {
  font-size: 2.2rem;
  margin-bottom: 1rem;
}

.shield-code {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: #34d399;
  background: rgba(16, 185, 129, 0.1);
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  width: max-content;
  margin-bottom: 1rem;
}

.shield-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: #fff;
}

.shield-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* 授权计划 (PRICING) */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  align-items: stretch;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.2rem 1.75rem;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all 0.3s ease;
}

.pricing-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-medium);
}

.pricing-card.popular {
  background: linear-gradient(180deg, rgba(14, 25, 45, 0.9) 0%, rgba(10, 16, 28, 0.95) 100%);
  border-color: var(--cyan);
  box-shadow: 0 0 35px rgba(0, 240, 255, 0.25);
  transform: scale(1.03);
  z-index: 2;
}

.pricing-card.popular:hover {
  transform: scale(1.05) translateY(-5px);
}

.popular-ribbon {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: #00f0ff linear-gradient(135deg, #00f0ff 0%, #0099ff 100%) !important;
  color: #030816 !important;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  padding: 0.3rem 0.95rem;
  border-radius: var(--radius-pill);
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.75);
  white-space: nowrap;
  z-index: 2;
}

.card-tier {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.15em;
  margin-bottom: 0.4rem;
}

.card-name {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 1rem;
}

.card-price {
  font-family: var(--font-display);
  display: flex;
  align-items: baseline;
  margin-bottom: 0.8rem;
}

.card-price span {
  font-size: 1.3rem;
  color: var(--cyan);
  margin-right: 2px;
}

.card-price strong {
  font-size: 2.8rem;
  font-weight: 900;
  color: #fff;
  line-height: 1;
}

.card-price small {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-left: 0.4rem;
}

.card-summary {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.8rem;
  min-height: 42px;
}

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  flex-grow: 1;
}

.pricing-features li.disabled {
  color: var(--text-dim);
  text-decoration: line-through;
}

/* FAQ 手风琴 */
.faq-container {
  max-width: 850px;
  margin: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all 0.25s ease;
}

.faq-question {
  width: 100%;
  padding: 1.35rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.05rem;
  font-weight: 600;
  color: #fff;
  text-align: left;
}

.faq-arrow {
  color: var(--cyan);
  transition: transform 0.3s ease;
  font-size: 1.1rem;
}

.faq-item.active .faq-arrow {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 1.5rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
}

.faq-item.active .faq-answer {
  max-height: 350px;
  padding-bottom: 1.5rem;
}

/* 底部行动召唤 (FINAL CTA) */
.final-cta {
  padding: 4rem 1.5rem 6rem;
  max-width: 1200px;
  margin: auto;
}

.cta-box {
  background: linear-gradient(135deg, rgba(9, 24, 48, 0.95), rgba(7, 12, 22, 0.95));
  border: 1px solid var(--border-cyan);
  border-radius: var(--radius-lg);
  padding: 4rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 0 50px rgba(0, 240, 255, 0.15);
}

.cta-glow {
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 300px;
  background: radial-gradient(ellipse, rgba(0, 240, 255, 0.25), transparent 70%);
  pointer-events: none;
}

.cta-box h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 900;
  margin-bottom: 1rem;
}

.cta-box p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 2.2rem;
  max-width: 600px;
  margin-inline: auto;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* 页脚 */
.footer {
  background: #04060a;
  border-top: 1px solid var(--border-subtle);
  padding: 4rem 1.5rem 2.5rem;
}

.footer-container {
  max-width: 1380px;
  margin: auto;
}

.footer-brand-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--border-subtle);
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-status {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
}

.footer-links-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2.5rem;
  padding: 3rem 0;
}

.footer-col h5 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: #fff;
  margin-bottom: 1.2rem;
  letter-spacing: 0.05em;
}

.footer-col a {
  display: block;
  font-size: 0.86rem;
  color: var(--text-muted);
  margin-bottom: 0.65rem;
  transition: color 0.2s;
}

.footer-col a:hover {
  color: var(--cyan);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* LIGHTBOX MODAL */
.lightbox-modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.lightbox-modal.is-open {
  display: flex;
}

.lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(3, 5, 10, 0.92);
  backdrop-filter: blur(16px);
}

.lightbox-dialog {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  width: 100%;
  max-height: 92vh;
  display: flex;
  flex-direction: column;
  background: #090e18;
  border: 1px solid var(--border-cyan);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 0 50px rgba(0, 240, 255, 0.3);
}

.lightbox-media {
  max-height: 70vh;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #000;
}

.lightbox-media img {
  max-width: 100%;
  max-height: 70vh;
  object-fit: contain;
}

.lightbox-caption {
  padding: 1.25rem 1.75rem;
  background: var(--bg-card);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.lightbox-caption h4 {
  font-size: 1.15rem;
  color: #fff;
  margin-bottom: 0.25rem;
}

.lightbox-caption p {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.lightbox-counter {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--cyan);
  background: rgba(0, 240, 255, 0.12);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
}

.lightbox-close {
  position: absolute;
  top: 15px;
  right: 15px;
  width: 40px;
  height: 40px;
  background: rgba(0, 0, 0, 0.65);
  color: #fff;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 1.2rem;
  border: 1px solid var(--border-medium);
  z-index: 10;
  transition: all 0.2s;
}
.lightbox-close:hover {
  background: var(--cyan);
  color: #000;
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  background: rgba(0, 0, 0, 0.65);
  color: #fff;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 1.4rem;
  border: 1px solid var(--border-medium);
  z-index: 10;
  transition: all 0.2s;
}
.lightbox-nav:hover {
  background: var(--cyan);
  color: #000;
}
.lightbox-prev { left: 20px; }
.lightbox-next { right: 20px; }

/* 购买咨询弹窗 */
.purchase-modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.purchase-modal.is-open {
  display: flex;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(3, 5, 10, 0.88);
  backdrop-filter: blur(12px);
}

.modal-card {
  position: relative;
  z-index: 2;
  max-width: 480px;
  width: 100%;
  background: #0c121e;
  border: 1px solid var(--border-cyan);
  border-radius: var(--radius-lg);
  padding: 2.2rem;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8);
}

.modal-close {
  cursor: pointer;
}

.modal-card > .modal-close {
  position: absolute;
  top: 18px;
  right: 18px;
  color: var(--text-muted);
  font-size: 1.2rem;
  background: transparent;
  border: none;
  transition: color 0.2s;
  z-index: 10;
}
.modal-card > .modal-close:hover {
  color: #fff;
}

.modal-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--cyan);
  letter-spacing: 0.1em;
}

.modal-header h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin: 0.4rem 0 0.5rem;
  color: #fff;
}

.modal-header p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.modal-body {
  margin: 1.8rem 0;
}

.info-box {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid var(--border-cyan);
  padding: 1rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.2rem;
}

.info-icon {
  font-size: 1.4rem;
}

.info-box strong {
  display: block;
  font-size: 0.92rem;
  color: #fff;
  margin-bottom: 0.2rem;
}

.info-box p {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.contact-channels {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.channel-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.9rem 1.1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
}

.channel-icon {
  font-size: 1.6rem;
}

.channel-label {
  display: block;
  font-size: 0.76rem;
  color: var(--text-muted);
}

.channel-item strong {
  font-size: 0.95rem;
  color: #fff;
  font-family: var(--font-mono);
}

.modal-footer {
  margin-top: 1.8rem;
}

/* 响应式媒体查询 */
@media (max-width: 1080px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .hero-visual {
    max-width: 650px;
    margin: auto;
  }
  .core-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pricing-grid, .security-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pricing-card.popular {
    transform: none;
  }
  .footer-links-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 1080px) {
  .menu-toggle {
    display: flex;
  }
  .nav {
    position: fixed;
    top: 74px;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(5, 8, 15, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 2.5rem 1.5rem;
    gap: 1.5rem;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    z-index: 39;
    overflow-y: auto;
  }
  .nav.is-open {
    transform: translateX(0);
  }
  .nav-link {
    font-size: 1.15rem;
  }
}

@media (max-width: 820px) {
  .core-grid, .launcher-grid {
    grid-template-columns: 1fr;
  }
  .span-2 {
    grid-column: span 1;
  }
  .card-content, .launcher-card-split {
    grid-template-columns: 1fr;
  }
  .pricing-grid, .security-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .hero {
    padding-top: 3rem;
  }
  .hero-metrics {
    flex-wrap: wrap;
    gap: 1.2rem;
  }
  .metric-divider {
    display: none;
  }
  .product-tabs {
    flex-direction: column;
  }
  .footer-links-grid {
    grid-template-columns: 1fr;
  }
}

/* 导航小微标 - 融合方案 3: 无框微光上标 */
.badge-price {
  font-size: 0.62rem;
  font-weight: 800;
  line-height: 1;
  font-family: inherit;
  color: #00f0ff;
  letter-spacing: 0.04em;
  text-shadow: 0 0 10px rgba(0, 240, 255, 0.55);
  background: none;
  border: none;
  padding: 0;
  margin-left: -0.1rem;
  transform: translateY(-6px);
  display: inline-block;
  pointer-events: none;
}

.badge-free {
  font-size: 0.62rem;
  font-weight: 700;
  line-height: 1;
  font-family: inherit;
  color: #34d399;
  letter-spacing: 0.02em;
  text-shadow: 0 0 10px rgba(52, 211, 153, 0.55);
  background: none;
  border: none;
  padding: 0;
  margin-left: -0.1rem;
  transform: translateY(-6px);
  display: inline-block;
  pointer-events: none;
}

.badge-guide {
  font-size: 0.62rem;
  font-weight: 800;
  line-height: 1;
  font-family: inherit;
  color: #f59e0b;
  letter-spacing: 0.03em;
  text-shadow: 0 0 10px rgba(245, 158, 11, 0.55);
  background: none;
  border: none;
  padding: 0;
  margin-left: -0.1rem;
  transform: translateY(-6px);
  display: inline-block;
  pointer-events: none;
}


.badge-free-pill {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-pill);
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.4);
  color: #34d399;
  box-shadow: 0 0 12px rgba(16, 185, 129, 0.2);
}

.badge-pro-pill {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-pill);
  background: rgba(0, 240, 255, 0.15);
  border: 1px solid var(--border-cyan);
  color: var(--cyan);
  box-shadow: 0 0 12px rgba(0, 240, 255, 0.25);
}

/* HERO 右侧双卡片导流 (Portal Cards) */
.hero-split-cards {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.portal-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 1.25rem;
  align-items: center;
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}

.portal-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.portal-core:hover {
  border-color: var(--border-cyan);
  box-shadow: 0 10px 30px rgba(0, 240, 255, 0.2);
}

.portal-launcher:hover {
  border-color: rgba(16, 185, 129, 0.4);
  box-shadow: 0 10px 30px rgba(16, 185, 129, 0.15);
}

.portal-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  padding: 0.15rem 0.55rem;
  border-radius: 4px;
}

.badge-pro {
  background: rgba(0, 240, 255, 0.2);
  color: var(--cyan);
  border: 1px solid var(--border-cyan);
}

.badge-free-lg {
  background: rgba(16, 185, 129, 0.2);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.4);
}

.portal-img {
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: #000;
}

.portal-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.portal-card:hover .portal-img img {
  transform: scale(1.08);
}

.portal-info h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: #fff;
  margin-bottom: 0.4rem;
}

.portal-info p {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 0.75rem;
}

.portal-link {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--cyan);
  display: inline-block;
  transition: transform 0.2s;
}

.portal-launcher .portal-link {
  color: #34d399;
}

.portal-card:hover .portal-link {
  transform: translateX(4px);
}

/* 产品聚光灯 (Spotlight Cards) */
.product-spotlights {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.spotlight-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 3rem;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3rem;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.spotlight-free {
  border-left: 4px solid #10b981;
}

.spotlight-pro {
  border-left: 4px solid var(--cyan);
}

.spotlight-badge-row {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 1.2rem;
}

.badge-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.spotlight-title {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 900;
  color: #fff;
  margin-bottom: 1rem;
}

.spotlight-desc {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 1.8rem;
}

.spotlight-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  margin-bottom: 2.2rem;
}

.spotlight-features:last-child {
  margin-bottom: 0;
}

.spotlight-features li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.spotlight-features li svg {
  flex-shrink: 0;
  margin-top: 0.22rem;
}

.spotlight-features li span {
  flex: 1;
}

.check-icon {
  color: #10b981;
  font-weight: 900;
  font-size: 1.1rem;
  line-height: 1.3;
}

.spotlight-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.spotlight-media {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-medium);
  background: #080d18;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.7);
}

.spotlight-media img {
  width: 100%;
  height: auto;
  transition: transform 0.5s ease;
}

.spotlight-card:hover .spotlight-media img {
  transform: scale(1.03);
}

.media-caption {
  padding: 0.75rem 1rem;
  background: rgba(6, 10, 18, 0.95);
  font-size: 0.78rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  border-top: 1px solid var(--border-subtle);
  text-align: center;
}

/* 对比表格 (Comparison Table) */
.comparison-section {
  padding: 6.5rem 1.5rem;
  max-width: 1200px;
  margin: auto;
}

.comparison-table-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow-x: auto;
  box-shadow: var(--shadow-card);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.comparison-table th, .comparison-table td {
  padding: 1.1rem 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

.comparison-table thead th {
  background: rgba(14, 21, 35, 0.9);
  padding: 1.5rem;
}

.col-feature {
  width: 44%;
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: #fff;
}

.col-launcher, .col-core, .col-basic, .col-full {
  width: 28%;
}

.comparison-table.matrix-2col th:first-child,
.comparison-table.matrix-2col td:first-child {
  width: 40%;
}

.comparison-table.matrix-2col th:last-child,
.comparison-table.matrix-2col td:last-child {
  width: 60%;
}

.th-box {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.th-name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: #fff;
  font-weight: 800;
}

.th-badge-free {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: #34d399;
}

.th-badge-pro {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--cyan);
}

.comparison-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

.comparison-table td {
  font-size: 0.92rem;
  color: var(--text-secondary);
}

.comparison-table td strong {
  color: #fff;
}

.comparison-table th.text-center,
.comparison-table td.text-center {
  text-align: center;
}

.comparison-table td.text-center .check-yes,
.comparison-table td.text-center .check-no {
  justify-content: center;
}

.check-yes {
  color: #34d399;
  font-weight: 700;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.check-no {
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.text-green {
  color: #34d399;
  font-weight: 700;
}

.text-cyan {
  color: var(--cyan);
  font-weight: 700;
}

.comparison-table tfoot td {
  padding: 1.5rem;
  background: rgba(10, 16, 28, 0.8);
  border-bottom: none;
}

/* 子页面 HERO (Subpage Hero) */
.subpage-hero {
  position: relative;
  padding: 5.5rem 1.5rem 3rem;
  text-align: center;
  overflow: hidden;
}

.subpage-hero-container {
  max-width: 850px;
  margin: auto;
  position: relative;
  z-index: 2;
}

.subpage-badge-row {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 1.5rem;
}

.subpage-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4.8vw, 4rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 1.2rem;
}

.subpage-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 2.2rem;
}

.subpage-hero .hero-cta-group {
  justify-content: center;
}

.live-showcase-section {
  padding: 1rem 1.5rem 4rem;
  max-width: 1200px;
  margin: auto;
}

.live-showcase-container {
  max-width: 1100px;
  margin: auto;
}

/* 下载专区 (Download Section) */
.download-container {
  max-width: 780px;
  margin: auto;
}

.download-card {
  background: linear-gradient(135deg, rgba(14, 28, 48, 0.9), rgba(8, 14, 25, 0.95));
  border: 1px solid var(--border-cyan);
  border-radius: var(--radius-lg);
  padding: 3.5rem 2.5rem;
  text-align: center;
  box-shadow: 0 0 50px rgba(0, 240, 255, 0.15);
  position: relative;
}

.download-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--cyan);
  background: rgba(0, 240, 255, 0.12);
  padding: 0.25rem 0.85rem;
  border-radius: var(--radius-pill);
  display: inline-block;
  margin-bottom: 1.2rem;
}

.download-card h3 {
  font-family: var(--font-display);
  font-size: 2rem;
  color: #fff;
  margin-bottom: 0.8rem;
}

.download-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 580px;
  margin: 0 auto 2rem;
  line-height: 1.7;
}

.download-specs {
  display: flex;
  justify-content: center;
  gap: 2.5rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.spec-col {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.spec-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.spec-col strong {
  font-size: 0.95rem;
  color: #fff;
}

.download-btn-row {
  display: flex;
  justify-content: center;
  gap: 1.2rem;
  flex-wrap: wrap;
}

.link-cyan {
  color: var(--cyan);
  text-decoration: underline;
}

/* 响应式补充适配 */
@media (max-width: 900px) {
  .spotlight-card {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: 2rem;
  }
  .portal-card {
    grid-template-columns: 1fr;
  }
  .download-card {
    padding: 2.5rem 1.5rem;
  }
}

/* ============================================================
   统一科技风 SVG 图标系统与组件增强
   ============================================================ */
.icon-svg {
  width: 1.15rem;
  height: 1.15rem;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
  flex-shrink: 0;
  display: inline-block;
  vertical-align: middle;
}

.btn-icon {
  width: 1rem;
  height: 1rem;
  stroke: currentColor;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
  flex-shrink: 0;
  display: inline-block;
  vertical-align: middle;
}

.icon-check-svg {
  width: 1rem;
  height: 1rem;
  stroke: #10b981;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
  flex-shrink: 0;
  display: inline-block;
  vertical-align: middle;
}

.icon-cross-svg {
  width: 0.95rem;
  height: 0.95rem;
  stroke: var(--text-muted);
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
  flex-shrink: 0;
  display: inline-block;
  vertical-align: middle;
  opacity: 0.6;
}

.shield-icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: rgba(0, 240, 255, 0.1);
  border: 1px solid var(--border-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan);
  margin-bottom: 1.25rem;
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.15);
}

.shield-icon-box.green {
  background: rgba(16, 185, 129, 0.1);
  border-color: rgba(16, 185, 129, 0.4);
  color: #34d399;
  box-shadow: 0 0 15px rgba(16, 185, 129, 0.15);
}

.channel-icon-svg {
  width: 28px;
  height: 28px;
  stroke: var(--cyan);
  stroke-width: 1.8;
  fill: none;
}

.faq-arrow-svg {
  width: 18px;
  height: 18px;
  stroke: var(--text-muted);
  stroke-width: 2;
  fill: none;
  transition: transform 0.3s ease, stroke 0.2s ease;
  flex-shrink: 0;
}

.faq-item.active .faq-arrow-svg {
  transform: rotate(180deg);
  stroke: var(--cyan);
}

.gallery-zoom-svg {
  width: 24px;
  height: 24px;
  stroke: #fff;
  stroke-width: 2;
  fill: none;
  margin-bottom: 0.5rem;
}

/* ============================================================
   授权方案卡片系统 (Pricing Grid - 5 Cards)
   ============================================================ */
.pricing-section {
  padding: 6rem 1.5rem;
  max-width: 1400px;
  margin: auto;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.25rem;
  margin-top: 3rem;
  align-items: stretch;
}

@media (min-width: 1160px) {
  .pricing-grid {
    grid-template-columns: repeat(5, 1fr);
  }
}

.pricing-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  backdrop-filter: blur(12px);
}

.pricing-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-cyan);
  box-shadow: 0 15px 35px rgba(0, 240, 255, 0.15);
}

.pricing-card.popular {
  border-color: var(--cyan);
  background: linear-gradient(180deg, rgba(0, 240, 255, 0.08) 0%, rgba(13, 18, 28, 0.95) 100%);
  box-shadow: 0 10px 40px rgba(0, 240, 255, 0.2);
}

.popular-ribbon {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: #00f0ff linear-gradient(135deg, #00f0ff 0%, #0099ff 100%) !important;
  color: #030816 !important;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  padding: 0.3rem 0.95rem;
  border-radius: var(--radius-pill);
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.75);
  white-space: nowrap;
  z-index: 2;
}

.card-tier {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 0.35rem;
}

.pricing-card.popular .card-tier {
  color: var(--cyan);
}

.card-name {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.75rem;
}

.card-price {
  font-family: var(--font-display);
  display: flex;
  align-items: baseline;
  gap: 0.25rem;
  margin-bottom: 0.75rem;
}

.card-price span {
  font-size: 1.25rem;
  color: var(--cyan);
  font-weight: 700;
}

.card-price strong {
  font-size: 2.4rem;
  font-weight: 800;
  color: #fff;
  line-height: 1;
}

.card-price small {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-family: var(--font-sans);
}

.card-summary {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 1.5rem;
  min-height: 2.6rem;
}

.pricing-features {
  list-style: none;
  padding: 0;
  margin: 0 0 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  flex-grow: 1;
}

.pricing-features li {
  font-size: 0.86rem;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  line-height: 1.45;
}

.pricing-features li svg {
  margin-top: 0.18rem;
  flex-shrink: 0;
}

.pricing-features li svg.icon-check-svg {
  stroke: #10b981 !important;
  fill: none !important;
  width: 1.05rem;
  height: 1.05rem;
}

.pricing-features li svg.icon-cross-svg {
  stroke: var(--text-muted) !important;
  fill: none !important;
  width: 1.05rem;
  height: 1.05rem;
  opacity: 0.7;
}

.pricing-features li strong {
  color: #fff;
}

.pricing-features li.disabled {
  color: var(--text-muted);
  opacity: 0.6;
}

/* ============================================================
   卡密权限分配表 (Permission Matrix Table)
   ============================================================ */
.permission-matrix-section {
  padding: 4rem 1.5rem 6rem;
  max-width: 1400px;
  margin: auto;
}

.permission-notice-box {
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.35);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  margin-bottom: 2rem;
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  color: #fca5a5;
  font-size: 0.88rem;
  line-height: 1.6;
}

.permission-notice-box strong {
  color: #fff;
}

.badge-tag-full {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.18rem 0.55rem;
  border-radius: 4px;
  background: rgba(0, 240, 255, 0.15);
  border: 1px solid var(--border-cyan);
  color: var(--cyan);
  font-size: 0.75rem;
  font-family: var(--font-mono);
}

.badge-tag-basic {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.18rem 0.55rem;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-size: 0.75rem;
  font-family: var(--font-mono);
}

.badge-tag-pause {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.18rem 0.55rem;
  border-radius: 4px;
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.4);
  color: #f87171;
  font-size: 0.75rem;
  font-family: var(--font-mono);
}

/* ============================================================
   使用教程与防封经验指南 (Guide & Anti-Ban Section)
   ============================================================ */
.guide-section {
  padding: 5rem 1.5rem;
  max-width: 1400px;
  margin: auto;
}

.guide-steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.guide-step-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  position: relative;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}

.guide-step-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-cyan);
  box-shadow: 0 10px 30px rgba(0, 240, 255, 0.12);
}

.step-num-badge {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(0, 240, 255, 0.15);
  border: 1px solid var(--border-cyan);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.step-num-badge.step-green {
  background: rgba(16, 185, 129, 0.15);
  border-color: rgba(16, 185, 129, 0.4);
  color: #34d399;
}

.guide-step-card h3 {
  font-size: 1.15rem;
  color: #fff;
  margin-bottom: 0.6rem;
}

.guide-step-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  flex-grow: 1;
}

.guide-highlight-tip {
  margin-top: 1rem;
  padding: 0.6rem 0.8rem;
  background: rgba(0, 240, 255, 0.06);
  border-left: 3px solid var(--cyan);
  font-size: 0.82rem;
  color: var(--cyan);
  border-radius: 0 4px 4px 0;
}

.anti-ban-rules-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.anti-ban-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.6rem;
  display: flex;
  gap: 1.1rem;
  align-items: flex-start;
  transition: all 0.3s ease;
}

.anti-ban-card:hover {
  border-color: rgba(16, 185, 129, 0.4);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(16, 185, 129, 0.12);
}

.anti-ban-card.danger:hover {
  border-color: rgba(239, 68, 68, 0.4);
  box-shadow: 0 8px 24px rgba(239, 68, 68, 0.12);
}

.rule-icon-box {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.35);
  color: #34d399;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.anti-ban-card.danger .rule-icon-box {
  background: rgba(239, 68, 68, 0.12);
  border-color: rgba(239, 68, 68, 0.35);
  color: #f87171;
}

.rule-content h4 {
  font-size: 1.05rem;
  color: #fff;
  margin-bottom: 0.4rem;
}

.rule-content p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* ============================================================
   启动器“游戏设置与启动参数优化”板块居中自适应布局
   ============================================================ */
#settings-section .core-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  justify-content: center;
}

@media (max-width: 960px) {
  #settings-section .core-grid {
    grid-template-columns: 1fr;
    max-width: 520px;
    margin: 0 auto;
  }
}

/* ============================================================
   全功能周卡 - 史诗幻紫微光动画 (Purple Violet Pro Card)
   ============================================================ */
@keyframes purplePulseGlow {
  0%, 100% {
    border-color: rgba(168, 85, 247, 0.4);
    box-shadow: 0 0 16px rgba(168, 85, 247, 0.18),
                0 0 32px rgba(139, 92, 246, 0.08),
                inset 0 0 12px rgba(168, 85, 247, 0.04);
  }
  50% {
    border-color: rgba(192, 132, 252, 0.85);
    box-shadow: 0 0 28px rgba(168, 85, 247, 0.4),
                0 0 55px rgba(139, 92, 246, 0.2),
                inset 0 0 20px rgba(168, 85, 247, 0.1);
  }
}

.pricing-card.card-purple {
  position: relative;
  border-color: rgba(168, 85, 247, 0.5);
  background: linear-gradient(180deg, rgba(147, 51, 234, 0.08) 0%, rgba(13, 18, 28, 0.96) 100%);
  animation: purplePulseGlow 3.5s ease-in-out infinite;
}

.pricing-card.card-purple::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, #c084fc 30%, #a855f7 70%, transparent);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.pricing-card.card-purple .card-tier {
  color: #c084fc;
  text-shadow: 0 0 12px rgba(192, 132, 252, 0.5);
  font-weight: 800;
}

.pricing-card.card-purple .card-price span {
  color: #c084fc;
  text-shadow: 0 0 10px rgba(192, 132, 252, 0.4);
}

.pricing-card.card-purple .btn-outline {
  border-color: rgba(168, 85, 247, 0.65);
  color: #c084fc;
  background: rgba(168, 85, 247, 0.06);
  transition: all 0.3s ease;
}

.pricing-card.card-purple .btn-outline:hover {
  background: linear-gradient(135deg, #a855f7 0%, #7e22ce 100%);
  color: #fff;
  font-weight: 700;
  border-color: #c084fc;
  box-shadow: 0 0 25px rgba(168, 85, 247, 0.6);
}

.pricing-card.card-purple:hover {
  transform: translateY(-6px);
  border-color: #c084fc;
  box-shadow: 0 20px 50px rgba(168, 85, 247, 0.35), 0 0 40px rgba(192, 132, 252, 0.35);
}

/* ============================================================
   全功能月卡 - 金色发光呼吸与玻璃反光扫光动画 (Gold Glow + Glass Shine)
   ============================================================ */
@keyframes goldPulseGlow {
  0%, 100% {
    border-color: rgba(245, 158, 11, 0.45);
    box-shadow: 0 0 20px rgba(245, 158, 11, 0.2),
                0 0 40px rgba(217, 119, 6, 0.1),
                inset 0 0 15px rgba(245, 158, 11, 0.05);
  }
  50% {
    border-color: rgba(251, 191, 36, 0.95);
    box-shadow: 0 0 35px rgba(245, 158, 11, 0.48),
                0 0 70px rgba(217, 119, 6, 0.25),
                inset 0 0 25px rgba(245, 158, 11, 0.12);
  }
}

/* 玻璃高光斜向扫光动效 */
@keyframes goldGlassSweep {
  0%, 15% {
    transform: translateX(-130%);
    opacity: 0;
  }
  20% {
    opacity: 1;
  }
  50% {
    transform: translateX(130%);
    opacity: 1;
  }
  55%, 100% {
    transform: translateX(130%);
    opacity: 0;
  }
}

.pricing-card.card-gold {
  position: relative;
  overflow: hidden;
  border-color: rgba(245, 158, 11, 0.6);
  background: linear-gradient(180deg, rgba(245, 158, 11, 0.08) 0%, rgba(13, 18, 28, 0.96) 100%);
  animation: goldPulseGlow 3s ease-in-out infinite;
}

/* 玻璃反光流光层 */
.pricing-card.card-gold::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    115deg,
    transparent 0%,
    transparent 38%,
    rgba(255, 255, 255, 0.03) 42%,
    rgba(255, 255, 255, 0.2) 47%,
    rgba(254, 240, 138, 0.45) 50%,
    rgba(255, 255, 255, 0.2) 53%,
    rgba(255, 255, 255, 0.03) 58%,
    transparent 62%,
    transparent 100%
  );
  pointer-events: none;
  z-index: 1;
  animation: goldGlassSweep 2.2s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

.pricing-card.card-gold::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, #fbbf24 30%, #f59e0b 70%, transparent);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  z-index: 2;
}

.pricing-card.card-gold .card-tier {
  color: #fbbf24;
  text-shadow: 0 0 12px rgba(251, 191, 36, 0.5);
  font-weight: 800;
  position: relative;
  z-index: 2;
}

.pricing-card.card-gold .card-name,
.pricing-card.card-gold .card-price,
.pricing-card.card-gold .card-summary,
.pricing-card.card-gold .pricing-features {
  position: relative;
  z-index: 2;
}

.pricing-card.card-gold .card-price span {
  color: #fbbf24;
  text-shadow: 0 0 10px rgba(251, 191, 36, 0.4);
}

.pricing-card.card-gold .pricing-features li strong {
  color: #fff;
}

.pricing-card.card-gold .btn-outline {
  border-color: rgba(245, 158, 11, 0.65);
  color: #fbbf24;
  background: rgba(245, 158, 11, 0.06);
  transition: all 0.3s ease;
  position: relative;
  z-index: 2;
}

.pricing-card.card-gold .btn-outline:hover {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: #030712;
  font-weight: 700;
  border-color: #fbbf24;
  box-shadow: 0 0 25px rgba(245, 158, 11, 0.6);
}

.pricing-card.card-gold:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(245, 158, 11, 0.35), 0 0 45px rgba(251, 191, 36, 0.35);
}

/* ============================================================
   ZERO 悬浮支持与帮助中心信使组件 (Support Messenger Widget)
   ============================================================ */
.zero-widget {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 990;
  font-family: var(--font-sans);
}

/* 悬浮圆形触发按钮 (FAB) */
.widget-toggle-btn {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: rgba(13, 20, 36, 0.9);
  border: 1px solid var(--border-cyan);
  color: var(--cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 8px 30px rgba(0, 240, 255, 0.25), 0 0 15px rgba(0, 240, 255, 0.15);
  backdrop-filter: blur(16px);
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}

.widget-toggle-btn:hover {
  transform: scale(1.08) translateY(-2px);
  box-shadow: 0 12px 35px rgba(0, 240, 255, 0.4), 0 0 25px rgba(0, 240, 255, 0.3);
  background: rgba(18, 28, 50, 0.95);
}

.widget-status-dot {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #00f0ff;
  border: 2px solid #070b14;
  box-shadow: 0 0 8px #00f0ff;
  animation: pulseDot 2s infinite ease-in-out;
}

@keyframes pulseDot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.2); opacity: 0.75; }
}

.widget-toggle-btn .widget-icon {
  width: 26px;
  height: 26px;
  transition: transform 0.3s ease, opacity 0.2s ease;
  position: absolute;
}

.widget-toggle-btn .icon-chat {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

.widget-toggle-btn .icon-close {
  opacity: 0;
  transform: rotate(-90deg) scale(0.6);
}

/* 打开状态下的按钮变换 */
.zero-widget.is-open .widget-toggle-btn {
  border-color: rgba(255, 255, 255, 0.3);
  color: #fff;
  background: rgba(20, 28, 45, 0.95);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
}

.zero-widget.is-open .widget-toggle-btn .icon-chat {
  opacity: 0;
  transform: rotate(90deg) scale(0.6);
}

.zero-widget.is-open .widget-toggle-btn .icon-close {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

.zero-widget.is-open .widget-status-dot {
  display: none;
}

/* 抽屉卡片面板 */
.widget-panel {
  position: absolute;
  bottom: 74px;
  right: 0;
  width: 400px;
  max-width: calc(100vw - 32px);
  height: 680px;
  max-height: calc(100vh - 90px);
  background: rgba(10, 15, 26, 0.96);
  border: 1px solid rgba(0, 240, 255, 0.25);
  border-radius: 20px;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.8), 0 0 30px rgba(0, 240, 255, 0.08);
  backdrop-filter: blur(24px);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
  transform: translateY(20px) scale(0.96);
  transform-origin: bottom right;
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.zero-widget.is-open .widget-panel {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}

/* 头部品牌区 */
.widget-header {
  padding: 1.1rem 1.25rem 0.85rem;
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.12) 0%, rgba(139, 92, 246, 0.12) 100%), #0d1525;
  border-bottom: 1px solid var(--border-subtle);
}

.widget-header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.6rem;
}

.widget-brand-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  background: rgba(0, 240, 255, 0.12);
  border: 1px solid var(--border-cyan);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.widget-header-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.widget-header-close:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.widget-title {
  font-size: 1.12rem;
  font-weight: 700;
  color: #fff;
  margin: 0 0 0.2rem;
  letter-spacing: -0.01em;
}

.widget-subtitle {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin: 0;
}

/* 面板主体内容区域 */
.widget-body {
  flex: 1;
  overflow-y: auto;
  padding: 0.75rem 0.85rem;
  display: flex;
  flex-direction: column;
}

.widget-body:has(#widget-tab-home.active) {
  overflow-y: hidden;
}

.widget-body::-webkit-scrollbar {
  width: 4px;
}
.widget-body::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.12);
  border-radius: 4px;
}

.widget-tab-pane {
  display: none;
  flex-direction: column;
  gap: 0.85rem;
  animation: widgetFadeIn 0.3s ease forwards;
}

.widget-tab-pane.active {
  display: flex;
}

/* 主页 Chat 专属内嵌样式（全屏自适应，杜绝外层滚动） */
.widget-tab-pane#widget-tab-home {
  flex: 1;
  height: 100%;
  min-height: 0;
  display: none;
  flex-direction: column;
  gap: 0.45rem;
  overflow: hidden;
}

.widget-tab-pane#widget-tab-home.active {
  display: flex;
}

/* 顶部紧凑 QQ 群提示条 */
.widget-chat-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(16, 24, 40, 0.85);
  border: 1px solid var(--border-cyan);
  border-radius: 8px;
  padding: 0.4rem 0.75rem;
  font-size: 0.75rem;
  color: #e2e8f0;
  cursor: pointer;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.widget-chat-strip:hover {
  background: rgba(22, 34, 58, 0.95);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 240, 255, 0.2);
}

.widget-chat-strip-left {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.widget-chat-strip-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 6px #10b981;
}

.widget-chat-strip strong {
  color: var(--cyan);
  letter-spacing: 0.04em;
}

/* Tawk 在线客服内嵌容器 */
.widget-iframe-container {
  flex: 1;
  min-height: 0;
  height: 100%;
  border-radius: 12px;
  overflow: hidden;
  background: #090e18;
  border: 1px solid rgba(255, 255, 255, 0.08);
  position: relative;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.35);
  display: flex;
  flex-direction: column;
}

.widget-tawk-iframe {
  width: 100%;
  height: 100%;
  flex: 1;
  min-height: 0;
  border: none;
  display: block;
}

.widget-chat-help-hint {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  font-size: 0.7rem;
  color: var(--text-muted);
  padding: 0.1rem 0;
  flex-shrink: 0;
}

.widget-chat-help-hint a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color 0.2s;
}

.widget-chat-help-hint a:hover {
  color: #fff;
}

@keyframes widgetFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* 内部卡片样式 */
.widget-card {
  background: rgba(16, 24, 40, 0.7);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 1rem;
  transition: all 0.25s ease;
}

.widget-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.widget-tag-notice {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  color: #fbbf24;
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.3);
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
}

.widget-time-text {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.widget-card-title {
  font-size: 0.92rem;
  font-weight: 700;
  color: #fff;
  margin: 0 0 0.3rem;
}

.widget-card-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0;
}

/* 可交互功能卡片 */
.widget-action-card {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  cursor: pointer;
  text-decoration: none;
  padding: 0.85rem 1rem;
}

.widget-action-card:hover {
  background: rgba(22, 34, 58, 0.85);
  border-color: var(--border-cyan);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.3);
}

.widget-action-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.widget-action-icon.icon-qq {
  background: rgba(0, 240, 255, 0.12);
  color: var(--cyan);
  border: 1px solid var(--border-cyan);
}

.widget-action-icon.icon-card {
  background: rgba(168, 85, 247, 0.12);
  color: #c084fc;
  border: 1px solid rgba(168, 85, 247, 0.4);
}

.widget-action-info {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.widget-action-info strong {
  font-size: 0.88rem;
  color: #fff;
}

.widget-action-info span {
  font-size: 0.76rem;
  color: var(--text-muted);
}

.widget-arrow-svg {
  width: 16px;
  height: 16px;
  stroke: var(--text-muted);
  stroke-width: 2.2;
  fill: none;
  transition: transform 0.2s ease, stroke 0.2s ease;
}

.widget-action-card:hover .widget-arrow-svg {
  stroke: var(--cyan);
  transform: translateX(3px);
}

/* 浮窗内 FAQ 列表 */
.widget-faq-card {
  padding: 0.85rem 1rem;
}

.widget-faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-top: 0.5rem;
}

.widget-faq-item {
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  overflow: hidden;
  transition: all 0.2s ease;
}

.widget-faq-item:hover {
  border-color: rgba(0, 240, 255, 0.3);
}

.widget-faq-q {
  padding: 0.6rem 0.75rem;
  font-size: 0.82rem;
  color: #e2e8f0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-weight: 500;
}

.widget-faq-chevron {
  width: 14px;
  height: 14px;
  stroke: var(--text-muted);
  stroke-width: 2;
  fill: none;
  transition: transform 0.25s ease;
  flex-shrink: 0;
}

.widget-faq-item.active .widget-faq-chevron {
  transform: rotate(180deg);
  stroke: var(--cyan);
}

.widget-faq-a {
  display: none;
  padding: 0 0.75rem 0.6rem;
  font-size: 0.78rem;
  color: var(--text-secondary);
  line-height: 1.5;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  padding-top: 0.45rem;
}

.widget-faq-item.active .widget-faq-a {
  display: block;
}

/* 帮助中心搜索 (Tab 2) */
.widget-help-search-box {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(16, 24, 40, 0.9);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 0.55rem 0.85rem;
  margin-bottom: 0.5rem;
  transition: all 0.2s ease;
}

.widget-help-search-box:focus-within {
  border-color: var(--cyan);
  box-shadow: 0 0 12px rgba(0, 240, 255, 0.2);
}

.widget-help-search-box svg {
  stroke: var(--text-muted);
}

.widget-help-search-box input {
  background: transparent;
  border: none;
  color: #fff;
  font-size: 0.82rem;
  width: 100%;
  outline: none;
}

.widget-help-search-box input::placeholder {
  color: var(--text-muted);
}

/* 底部 Tab 导航栏 */
.widget-tab-bar {
  display: flex;
  border-top: 1px solid var(--border-subtle);
  background: #090e18;
  padding: 0.4rem 0.5rem;
}

.widget-tab-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 0.4rem 0.2rem;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 0.72rem;
}

.widget-tab-btn svg {
  width: 18px;
  height: 18px;
  transition: all 0.2s ease;
}

.widget-tab-btn:hover {
  color: #cbd5e1;
}

.widget-tab-btn.active {
  color: var(--cyan);
  font-weight: 700;
}

.widget-tab-btn.active svg {
  stroke: var(--cyan);
  transform: translateY(-1px);
}

/* 复制反馈小提示 (Toast) */
.widget-toast {
  position: absolute;
  top: 18px;
  left: 50%;
  transform: translateX(-50%) translateY(-10px);
  background: rgba(0, 240, 255, 0.95);
  color: #030712;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-pill);
  box-shadow: 0 4px 20px rgba(0, 240, 255, 0.4);
  opacity: 0;
  pointer-events: none;
  transition: all 0.25s ease;
  z-index: 10;
  white-space: nowrap;
}

.widget-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* 移动端适配 */
@media (max-width: 520px) {
  .zero-widget {
    bottom: 20px;
    right: 20px;
  }
  .widget-panel {
    position: fixed;
    top: auto;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    max-width: 100%;
    height: 82vh;
    max-height: 82vh;
    border-radius: 20px 20px 0 0;
    border-bottom: none;
    transform: translateY(100%);
  }
  .zero-widget.is-open .widget-panel {
    transform: translateY(0);
  }
}