/* ==========================================================================
   老猫云 LaoMaoYun (OLD CAT CLOUD) - 【风格 01 · 夜巡猫眼】视觉规范样式表
   深空夜蓝 #0A0E1A · 猫瞳琥珀金 #FFB454 · 冰蓝 #4DD8FF · 纯白正文
   思源黑体 Heavy / Noto Sans SC 900 · 数字 Space Grotesk · 极速秒开
   ========================================================================== */

:root {
  --font-title: "Source Han Sans CN", "思源黑体 Heavy", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", -apple-system, sans-serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-number: "Space Grotesk", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, monospace, sans-serif;

  --bg-main: #0A0E1A;
  --bg-card: rgba(16, 24, 42, 0.78);
  --bg-card-hover: rgba(22, 34, 58, 0.88);
  --bg-surface: #070B14;
  --bg-accent-subtle: rgba(255, 180, 84, 0.08);

  --primary: #FFB454;            /* 猫瞳琥珀金 - 唯一强调色 */
  --primary-light: #FFC97D;
  --primary-dark: #E6962E;
  --secondary: #4DD8FF;          /* 冰蓝 - 辅色 */
  --secondary-glow: rgba(77, 216, 255, 0.4);
  --accent-amber-glow: rgba(255, 180, 84, 0.4);
  --success: #34D399;

  --gradient-amber: linear-gradient(135deg, #FFB454 0%, #FF9A26 100%);
  --gradient-hover: linear-gradient(135deg, #FFC97D 0%, #FFA83B 100%);
  --gradient-badge: linear-gradient(135deg, rgba(255, 180, 84, 0.18) 0%, rgba(77, 216, 255, 0.12) 100%);

  --text-main: #FFFFFF;
  --text-sub: #CBD5E1;
  --text-muted: #8492A6;
  --text-dark: #0A0E1A;

  --border-light: rgba(255, 255, 255, 0.08);
  --border-amber: rgba(255, 180, 84, 0.25);
  --border-active: rgba(255, 180, 84, 0.6);
  --border-ice: rgba(77, 216, 255, 0.35);

  --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 8px 26px -4px rgba(0, 0, 0, 0.6);
  --shadow-lg: 0 16px 45px -8px rgba(0, 0, 0, 0.75);
  --shadow-amber-glow: 0 0 30px rgba(255, 180, 84, 0.35);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  overflow-x: hidden;
  background-color: var(--bg-main);
  min-height: 100vh;
  position: relative;
}

#bgCanvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
}

.site-header, main, .site-footer {
  position: relative;
  z-index: 1;
}

a {
  color: inherit;
  text-decoration: none;
  transition: all var(--transition-fast);
}

img, svg {
  vertical-align: middle;
  max-width: 100%;
}

ul, ol {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1220px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

.site-header {
  position: sticky;
  top: 0;
  background-color: rgba(10, 14, 26, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-light);
  height: 72px;
  display: flex;
  align-items: center;
  z-index: 100;
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.25rem;
  font-family: var(--font-title);
  font-weight: 900;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

.brand-logo-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient-amber);
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 16px rgba(255, 180, 84, 0.45);
}

.brand-logo-icon svg {
  width: 26px;
  height: 26px;
  fill: #0A0E1A;
}

.brand-name {
  color: var(--text-main);
}

.brand-badge {
  font-size: 0.72rem;
  font-family: var(--font-number);
  padding: 3px 8px;
  background: rgba(255, 180, 84, 0.14);
  border: 1px solid var(--border-amber);
  color: var(--primary);
  border-radius: var(--radius-full);
  font-weight: 700;
  margin-left: 4px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
}

.nav-link {
  color: var(--text-sub);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color var(--transition-fast);
}

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

.header-cta-wrap {
  display: flex;
  align-items: center;
  gap: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-normal);
  border: none;
  outline: none;
  white-space: nowrap;
  min-height: 46px;
  text-align: center;
}

.btn-primary {
  background: var(--gradient-amber);
  color: var(--text-dark);
  box-shadow: 0 4px 18px rgba(255, 180, 84, 0.35);
}

.btn-primary:hover {
  background: var(--gradient-hover);
  box-shadow: 0 6px 28px rgba(255, 180, 84, 0.6);
  transform: translateY(-2px);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-main);
  border: 1px solid var(--border-amber);
}

.btn-secondary:hover {
  background: rgba(255, 180, 84, 0.08);
  border-color: var(--primary);
  color: var(--primary-light);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.125rem;
  min-height: 54px;
}

.btn-pulse {
  position: relative;
  overflow: hidden;
}

.btn-pulse::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(60deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transform: rotate(25deg);
  animation: shine 4s infinite linear;
}

@keyframes shine {
  0% { transform: translateX(-100%) rotate(25deg); }
  25% { transform: translateX(100%) rotate(25deg); }
  100% { transform: translateX(100%) rotate(25deg); }
}

/* 主视觉区 Hero Section - 左右分栏固定栅格 */
.hero-section {
  position: relative;
  padding: 60px 0 50px;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: center;
}

.hero-content {
  text-align: left;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(255, 180, 84, 0.12);
  border: 1px solid var(--border-amber);
  border-radius: var(--radius-full);
  color: var(--primary);
  font-size: 0.875rem;
  font-weight: 700;
  margin-bottom: 22px;
}

.hero-tag-dot {
  width: 8px;
  height: 8px;
  background-color: var(--primary);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--primary);
}

.hero-title {
  font-family: var(--font-title);
  font-size: 3.15rem;
  line-height: 1.22;
  font-weight: 900;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
  color: var(--text-main);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.hero-title-highlight {
  display: block;
  font-size: 0.82em;
  margin-top: 6px;
  background: linear-gradient(135deg, #FFFFFF 40%, var(--primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.cat-eye-badge {
  display: inline-flex;
  align-items: center;
  vertical-align: middle;
  width: 52px;
  height: 32px;
  margin-left: 10px;
}

.badge-eye-svg {
  width: 100%;
  height: 100%;
  overflow: visible;
  transform-origin: 30px 18px;
  animation: badge-eye-blink 3s ease-in-out infinite;
}

@keyframes badge-eye-blink {
  0%, 91%, 100% { transform: scaleY(1); }
  94% { transform: scaleY(0.08); }
  97% { transform: scaleY(1); }
}

.badge-iris-group {
  transform-origin: 30px 18px;
  animation: badge-iris-breathe 2.4s ease-in-out infinite alternate;
}

@keyframes badge-iris-breathe {
  0% { transform: scale(0.9); filter: drop-shadow(0 0 3px #FFB454); }
  100% { transform: scale(1.12); filter: drop-shadow(0 0 10px #FFB454); }
}

.hero-intro-card {
  background: var(--bg-card);
  border: 1px solid var(--border-amber);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin-bottom: 30px;
  backdrop-filter: blur(12px);
  position: relative;
  box-shadow: var(--shadow-sm);
}

.hero-intro-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 4px;
  background: var(--gradient-amber);
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}

.hero-intro-text {
  font-size: 1rem;
  color: var(--text-sub);
  line-height: 1.8;
}

.hero-intro-text strong {
  color: var(--primary);
  font-weight: 700;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.hero-trust {
  display: flex;
  gap: 24px;
  color: var(--text-muted);
  font-size: 0.875rem;
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.trust-item svg {
  width: 16px;
  height: 16px;
  color: var(--primary);
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.night-cat-svg-wrapper {
  width: 100%;
  max-width: 440px;
  height: auto;
  position: relative;
  filter: drop-shadow(0 0 30px rgba(255, 180, 84, 0.15));
}

.night-cat-svg {
  width: 100%;
  height: auto;
  display: block;
}

.hud-ring-outer {
  transform-origin: 230px 230px;
  animation: rotate-ccw 14s linear infinite;
}

@keyframes rotate-ccw {
  from { transform: rotate(0deg); }
  to { transform: rotate(-360deg); }
}

.hud-ring-inner {
  transform-origin: 230px 230px;
  animation: rotate-cw 10s linear infinite;
}

@keyframes rotate-cw {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.cat-float-group {
  animation: cat-float 4s ease-in-out infinite alternate;
}

@keyframes cat-float {
  0% { transform: translateY(0); }
  100% { transform: translateY(-12px); }
}

.cat-tail-group {
  transform-origin: 180px 370px;
  animation: tail-wag 2.4s ease-in-out infinite alternate;
}

@keyframes tail-wag {
  0% { transform: rotate(-6deg); }
  100% { transform: rotate(8deg); }
}

.cat-ear-left {
  transform-origin: 180px 140px;
  animation: ear-twitch-l 4s ease-in-out infinite;
}

.cat-ear-right {
  transform-origin: 250px 140px;
  animation: ear-twitch-r 4s ease-in-out infinite;
}

@keyframes ear-twitch-l {
  0%, 88%, 100% { transform: rotate(0deg); }
  92% { transform: rotate(-7deg); }
  95% { transform: rotate(3deg); }
  98% { transform: rotate(0deg); }
}

@keyframes ear-twitch-r {
  0%, 90%, 100% { transform: rotate(0deg); }
  93% { transform: rotate(7deg); }
  96% { transform: rotate(-3deg); }
  98% { transform: rotate(0deg); }
}

.cat-bell-group {
  transform-origin: 230px 235px;
  animation: bell-pulse 2.2s ease-in-out infinite;
}

@keyframes bell-pulse {
  0%, 100% { transform: scale(1); filter: drop-shadow(0 0 2px #FFB454); }
  50% { transform: scale(1.18); filter: drop-shadow(0 0 10px #FFB454); }
}

.cat-eyes-group {
  transform-origin: 230px 174px;
  animation: cat-eyes-blink 3.2s ease-in-out infinite, cat-eyes-glow 2.4s ease-in-out infinite alternate;
}

@keyframes cat-eyes-blink {
  0%, 91%, 100% { transform: scaleY(1); }
  93.5% { transform: scaleY(0.06); }
  96% { transform: scaleY(1); }
}

@keyframes cat-eyes-glow {
  0% { filter: drop-shadow(0 0 3px #FFB454); }
  100% { filter: drop-shadow(0 0 14px #FFB454) drop-shadow(0 0 22px rgba(255, 180, 84, 0.65)); }
}

.orbit-particle.p1 { animation: orbit-float-1 3.5s ease-in-out infinite alternate; }
.orbit-particle.p2 { animation: orbit-float-2 4.2s ease-in-out infinite alternate; }
.orbit-particle.p3 { animation: orbit-float-3 3.8s ease-in-out infinite alternate; }

@keyframes orbit-float-1 {
  0% { transform: translate(0, 0); opacity: 0.4; }
  100% { transform: translate(14px, -18px); opacity: 0.95; }
}

@keyframes orbit-float-2 {
  0% { transform: translate(0, 0); opacity: 0.5; }
  100% { transform: translate(-18px, 16px); opacity: 1; }
}

@keyframes orbit-float-3 {
  0% { transform: translate(0, 0); opacity: 0.35; }
  100% { transform: translate(12px, 18px); opacity: 0.9; }
}

.stats-bar {
  margin: 50px auto 0;
  background: var(--bg-card);
  border: 1px solid var(--border-amber);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  box-shadow: var(--shadow-md);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  backdrop-filter: blur(12px);
}

.stat-item {
  text-align: center;
  position: relative;
}

.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0;
  top: 15%;
  height: 70%;
  width: 1px;
  background: var(--border-light);
}

.stat-number {
  font-family: var(--font-number);
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.1;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-sub);
  margin-top: 6px;
}

.section {
  padding: 80px 0;
}

.section-alt {
  background: rgba(14, 20, 36, 0.45);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 54px;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-number);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 10px;
}

.section-title {
  font-family: var(--font-title);
  font-size: 2.35rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--text-main);
  margin-bottom: 14px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-sub);
  line-height: 1.6;
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.adv-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 38px 30px;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.adv-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-amber);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.adv-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-active);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-lg), var(--shadow-amber-glow);
}

.adv-card:hover::before {
  opacity: 1;
}

.adv-icon-wrap {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  background: rgba(255, 180, 84, 0.1);
  border: 1px solid var(--border-amber);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  color: var(--primary);
}

.adv-icon-wrap svg {
  width: 32px;
  height: 32px;
}

.adv-title {
  font-family: var(--font-title);
  font-size: 1.35rem;
  font-weight: 900;
  color: var(--text-main);
  margin-bottom: 14px;
}

.adv-desc {
  font-size: 0.95rem;
  color: var(--text-sub);
  line-height: 1.7;
  margin-bottom: 22px;
  flex-grow: 1;
}

.adv-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.adv-tag-item {
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  background: rgba(255, 180, 84, 0.08);
  border: 1px solid var(--border-amber);
  color: var(--primary);
}

.support-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.support-block {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: border-color var(--transition-normal);
}

.support-block:hover {
  border-color: var(--border-active);
}

.support-block-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-light);
}

.support-block-title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-title);
  font-size: 1.35rem;
  font-weight: 900;
  color: var(--text-main);
}

.support-block-title svg {
  width: 28px;
  height: 28px;
  color: var(--primary);
}

.support-status-pill {
  font-size: 0.75rem;
  padding: 4px 12px;
  background: rgba(52, 211, 153, 0.15);
  border: 1px solid rgba(52, 211, 153, 0.35);
  color: var(--success);
  border-radius: 9999px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.status-dot-pulse {
  width: 6px;
  height: 6px;
  background-color: var(--success);
  border-radius: 50%;
  animation: pulse-dot 1.8s infinite;
}

@keyframes pulse-dot {
  0% { transform: scale(0.9); opacity: 0.7; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.9); opacity: 0.7; }
}

.support-block-desc {
  font-size: 0.925rem;
  color: var(--text-sub);
  margin-bottom: 24px;
}

.support-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.service-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 16px 12px;
  text-align: center;
  transition: all var(--transition-fast);
}

.service-card:hover {
  background: rgba(255, 180, 84, 0.08);
  border-color: var(--border-amber);
  transform: translateY(-3px);
}

.service-icon {
  font-size: 1.75rem;
  margin-bottom: 6px;
  display: block;
}

.service-name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-main);
  display: block;
}

.service-sub {
  font-size: 0.7rem;
  color: var(--secondary);
  margin-top: 3px;
  display: block;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: stretch;
  margin-bottom: 50px;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 38px 28px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all var(--transition-normal);
}

.pricing-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-active);
  box-shadow: var(--shadow-lg), var(--shadow-amber-glow);
}

.pricing-card.featured {
  background: linear-gradient(180deg, rgba(24, 34, 60, 0.95) 0%, rgba(16, 24, 42, 0.98) 100%);
  border: 2px solid var(--primary);
  box-shadow: 0 0 35px rgba(255, 180, 84, 0.28);
  transform: scale(1.03);
}

.pricing-card.featured:hover {
  transform: scale(1.03) translateY(-6px);
}

.pricing-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-amber);
  color: var(--text-dark);
  font-size: 0.75rem;
  font-weight: 800;
  padding: 5px 16px;
  border-radius: 9999px;
  box-shadow: 0 4px 14px rgba(255, 180, 84, 0.45);
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.plan-header {
  text-align: center;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-light);
  margin-bottom: 24px;
}

.plan-name {
  font-family: var(--font-title);
  font-size: 1.35rem;
  font-weight: 900;
  color: var(--text-main);
  margin-bottom: 8px;
}

.plan-desc {
  font-size: 0.85rem;
  color: var(--text-sub);
  margin-bottom: 20px;
}

.plan-price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
}

.price-currency {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
}

.price-amount {
  font-family: var(--font-number);
  font-size: 3rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1;
}

.price-cycle {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.plan-features {
  flex-grow: 1;
  margin-bottom: 30px;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.925rem;
  color: var(--text-sub);
  margin-bottom: 14px;
}

.feature-item.highlight {
  color: var(--text-main);
  font-weight: 600;
}

.feature-icon {
  width: 18px;
  height: 18px;
  min-width: 18px;
  margin-top: 3px;
  color: var(--primary);
}

.feature-icon.cross {
  color: var(--text-muted);
  opacity: 0.5;
}

.plan-btn {
  width: 100%;
}

.comparison-table-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow-x: auto;
  margin-top: 30px;
  box-shadow: var(--shadow-md);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  min-width: 640px;
}

.comparison-table th,
.comparison-table td {
  padding: 16px 22px;
  border-bottom: 1px solid var(--border-light);
  font-size: 0.925rem;
}

.comparison-table th {
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-main);
  font-family: var(--font-title);
  font-weight: 900;
}

.comparison-table td {
  color: var(--text-sub);
}

.comparison-table td.col-feature {
  color: var(--text-main);
  font-weight: 600;
  width: 28%;
}

.comparison-table td.highlight {
  color: var(--primary);
  font-weight: 600;
}

.table-check {
  color: var(--success);
  font-weight: 700;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.test-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 32px 26px;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
}

.test-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-active);
  background: var(--bg-card-hover);
}

.test-rating {
  display: flex;
  gap: 4px;
  color: var(--primary);
  margin-bottom: 16px;
}

.test-rating svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.test-text {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text-sub);
  margin-bottom: 22px;
  flex-grow: 1;
}

.test-user {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 18px;
  border-top: 1px solid var(--border-light);
}

.user-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gradient-amber);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  color: var(--text-dark);
  font-size: 1.1rem;
}

.user-name {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-main);
}

.user-role {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.faq-wrapper {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

.faq-item:hover {
  border-color: var(--border-amber);
}

.faq-item[open] {
  border-color: var(--border-active);
  background: var(--bg-card-hover);
}

.faq-question {
  padding: 20px 24px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
  list-style: none;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-icon-arrow {
  width: 20px;
  height: 20px;
  transition: transform var(--transition-fast);
  color: var(--primary);
}

.faq-item[open] .faq-icon-arrow {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 24px 22px 24px;
  font-size: 0.95rem;
  color: var(--text-sub);
  line-height: 1.75;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  padding-top: 16px;
}

.cta-banner {
  background: linear-gradient(135deg, rgba(255, 180, 84, 0.12) 0%, rgba(77, 216, 255, 0.1) 100%);
  border: 1px solid var(--border-amber);
  border-radius: var(--radius-lg);
  padding: 56px 40px;
  text-align: center;
  margin: 60px 0 80px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-amber-glow);
}

.cta-banner-title {
  font-family: var(--font-title);
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--text-main);
  margin-bottom: 16px;
}

.cta-banner-desc {
  font-size: 1.1rem;
  color: var(--text-sub);
  max-width: 600px;
  margin: 0 auto 32px;
}

.site-footer {
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-light);
  padding: 48px 0 36px;
}

.footer-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 36px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.footer-link {
  color: var(--text-sub);
  font-size: 1rem;
  font-weight: 600;
  transition: all var(--transition-fast);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
}

.footer-link:hover {
  color: var(--primary);
  background: rgba(255, 180, 84, 0.08);
}

.footer-bottom {
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
  font-size: 0.825rem;
}

.footer-disclaimer {
  max-width: 700px;
  margin: 8px auto 0;
  line-height: 1.5;
}

.subpage-hero {
  padding: 60px 0 40px;
  text-align: center;
  border-bottom: 1px solid var(--border-light);
  background: radial-gradient(circle at 50% 0%, rgba(255, 180, 84, 0.12) 0%, transparent 60%);
}

.subpage-title {
  font-family: var(--font-title);
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--text-main);
  margin-bottom: 12px;
}

.subpage-subtitle {
  font-size: 1.05rem;
  color: var(--text-sub);
}

.subpage-content {
  padding: 60px 0 80px;
}

.article-box {
  background: var(--bg-card);
  border: 1px solid var(--border-amber);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  box-shadow: var(--shadow-md);
  margin-bottom: 30px;
}

.article-box h2 {
  font-family: var(--font-title);
  font-size: 1.5rem;
  color: var(--text-main);
  margin: 32px 0 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-light);
}

.article-box h2:first-child {
  margin-top: 0;
}

.article-box h3 {
  font-size: 1.2rem;
  color: var(--primary);
  margin: 20px 0 10px;
}

.article-box p {
  color: var(--text-sub);
  line-height: 1.8;
  margin-bottom: 16px;
  font-size: 0.975rem;
}

.article-box ul {
  list-style: disc;
  margin-left: 24px;
  margin-bottom: 20px;
  color: var(--text-sub);
}

.article-box ul li {
  margin-bottom: 8px;
  line-height: 1.7;
}

.highlight-badge-box {
  background: rgba(255, 180, 84, 0.08);
  border-left: 4px solid var(--primary);
  padding: 16px 20px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 24px 0;
  color: var(--text-main);
  font-size: 0.95rem;
}

.sitemap-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 24px;
}

.sitemap-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 24px;
}

.sitemap-card h3 {
  color: var(--primary);
  margin-bottom: 12px;
  font-size: 1.15rem;
}

.sitemap-list li {
  margin-bottom: 10px;
}

.sitemap-list a {
  color: var(--text-sub);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.sitemap-list a:hover {
  color: var(--primary);
}

@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 36px;
    text-align: center;
  }
  .hero-content {
    text-align: center;
  }
  .hero-title {
    justify-content: center;
  }
  .hero-intro-card {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-actions {
    justify-content: center;
  }
  .hero-trust {
    justify-content: center;
  }
  .night-cat-svg-wrapper {
    max-width: 380px;
    margin: 0 auto;
  }
  .pricing-card.featured {
    transform: none;
  }
  .pricing-card.featured:hover {
    transform: translateY(-6px);
  }
  .advantages-grid,
  .pricing-grid,
  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .support-container {
    grid-template-columns: 1fr;
  }
  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
  .stat-item:nth-child(2)::after {
    display: none;
  }
}

@media (max-width: 768px) {
  .site-header {
    height: 64px;
  }
  .nav-links {
    display: none;
  }
  .header-cta-wrap .btn-secondary {
    display: none;
  }

  .hero-section {
    padding: 40px 0 30px;
  }
  .hero-title {
    font-size: 2.15rem;
    line-height: 1.25;
  }
  .cat-eye-badge {
    width: 44px;
    height: 26px;
    margin-left: 6px;
  }
  .hero-actions {
    flex-direction: column;
    gap: 14px;
    width: 100%;
  }
  .hero-actions .btn {
    width: 100%;
    min-height: 52px;
    font-size: 1.05rem;
  }
  
  .stats-bar {
    grid-template-columns: 1fr 1fr;
    padding: 22px 16px;
    margin-top: 36px;
  }
  .stat-item::after {
    display: none !important;
  }
  .stat-number {
    font-size: 1.85rem;
  }

  .section {
    padding: 56px 0;
  }
  .section-title {
    font-size: 1.85rem;
  }

  .advantages-grid,
  .pricing-grid,
  .testimonials-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .support-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .support-block {
    padding: 24px 20px;
  }
  .pricing-card {
    padding: 30px 22px;
  }

  .cta-banner {
    padding: 40px 20px;
    margin: 40px 0 60px;
  }
  .cta-banner-title {
    font-size: 1.75rem;
  }
  .cta-banner .btn {
    width: 100%;
    min-height: 52px;
  }

  .footer-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    text-align: center;
  }
  .footer-link {
    display: block;
    padding: 10px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-light);
  }
  .article-box {
    padding: 30px 20px;
  }
  .subpage-title {
    font-size: 1.85rem;
  }
  .sitemap-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.85rem;
  }
  .stat-item {
    padding: 8px 4px;
  }
  .stat-number {
    font-size: 1.5rem;
  }
  .support-grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }
  .service-card {
    padding: 12px 8px;
  }
}

.seo-internal-link {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 4px;
  font-weight: 700;
  transition: color var(--transition-fast);
}

.seo-internal-link:hover {
  color: var(--primary-light);
}

/* ==========================================================================
   无障碍 (Accessibility) 与交互增强规范
   ========================================================================== */
/* 键盘跳转到主要内容 (Skip link) */
.skip-link {
  position: absolute;
  top: -120px;
  left: 20px;
  background: var(--primary);
  color: #0A0E1A;
  padding: 12px 20px;
  font-weight: 800;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  z-index: 10000;
  box-shadow: 0 4px 20px rgba(255, 180, 84, 0.6);
  transition: top 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
}

.skip-link:focus,
.skip-link:focus-visible {
  top: 18px;
  outline: 3px solid var(--secondary);
  outline-offset: 2px;
}

/* 键盘可聚焦元素清晰焦点指示 */
:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
}

/* 固定页眉防遮挡锚点偏移量 */
[id] {
  scroll-margin-top: 88px;
}

/* 动效敏感用户适配 (prefers-reduced-motion) */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  #bgCanvas {
    display: none !important;
  }
}

/* 移动端触摸区域最小 44x44 CSS 像素保障 */
.btn, .nav-link, .footer-link, .faq-question {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

/* 表格标题无障碍隐式语义说明 */
.table-caption {
  caption-side: top;
  text-align: left;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 12px;
  padding-left: 4px;
}