/* ==================================================
   扬帆云（YFCloud）- 深海洋流赛博风（Cyber Ocean & Oceanic Flow）
   色彩体系：深海深蓝 (#060B19) + 荧光洋流青 (#00E5FF) + 电光群青 (#2563EB) + 航标金 (#F59E0B)
   ================================================== */

:root {
  --ocean-bg: #060b19;
  --ocean-bg-darker: #03060f;
  --ocean-bg-light: #0b1329;
  --ocean-card: rgba(11, 22, 45, 0.72);
  --ocean-card-hover: rgba(15, 29, 60, 0.88);
  --ocean-border: rgba(0, 229, 255, 0.16);
  --ocean-border-hover: rgba(0, 229, 255, 0.55);
  --ocean-cyan: #00e5ff;
  --ocean-cyan-glow: rgba(0, 229, 255, 0.35);
  --ocean-blue: #2563eb;
  --ocean-blue-glow: rgba(37, 99, 235, 0.45);
  --ocean-purple: #8b5cf6;
  --ocean-beacon: #f59e0b;
  --ocean-beacon-glow: rgba(245, 158, 11, 0.4);
  --ocean-text-bright: #ffffff;
  --ocean-text-main: #e2e8f0;
  --ocean-text-muted: #94a3b8;
  --radius-sm: 0.5rem;
  --radius-md: 0.875rem;
  --radius-lg: 1.25rem;
  --radius-full: 9999px;
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

/* 全局重置与基础设定 */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--ocean-bg);
  color: var(--ocean-text-main);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* 自定义深海霓虹滚动条 */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--ocean-bg-darker);
}
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--ocean-cyan) 0%, var(--ocean-blue) 100%);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--ocean-cyan);
}

/* 背景洋流 Canvas 容器 */
#oceanCanvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  opacity: 0.75;
}

/* 页面氛围环境光斑 */
.ambient-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.35;
}
.ambient-glow-1 {
  width: 550px;
  height: 550px;
  top: -10%;
  left: -10%;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.3) 0%, transparent 70%);
}
.ambient-glow-2 {
  width: 650px;
  height: 650px;
  top: 40%;
  right: -15%;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.35) 0%, transparent 70%);
}
.ambient-glow-3 {
  width: 500px;
  height: 500px;
  bottom: 5%;
  left: 10%;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.25) 0%, transparent 70%);
}

/* 保证所有内容在 Canvas 之上 */
nav, section, footer, .offcanvas {
  position: relative;
  z-index: 1;
}

/* ==================================================
   导航栏样式（Cyber Frosted Glass）
   ================================================== */
.navbar-cyber {
  background: rgba(6, 11, 25, 0.82) !important;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--ocean-border);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
  transition: var(--transition-normal);
}

.navbar-cyber .navbar-brand img {
  filter: drop-shadow(0 0 10px rgba(0, 229, 255, 0.35));
  transition: var(--transition-fast);
}
.navbar-cyber .navbar-brand:hover img {
  filter: drop-shadow(0 0 16px rgba(0, 229, 255, 0.65));
}

.navbar-cyber .nav-link {
  color: var(--ocean-text-muted) !important;
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.5rem 1rem !important;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
  position: relative;
}
.navbar-cyber .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 60%;
  height: 2px;
  background: var(--ocean-cyan);
  box-shadow: 0 0 8px var(--ocean-cyan);
  transition: var(--transition-fast);
}
.navbar-cyber .nav-link:hover,
.navbar-cyber .nav-link:focus,
.navbar-cyber .nav-link.active {
  color: var(--ocean-text-bright) !important;
}
.navbar-cyber .nav-link:hover::after,
.navbar-cyber .nav-link.active::after {
  transform: translateX(-50%) scaleX(1);
}

/* 移动端汉堡按钮 */
.navbar-toggler-cyber {
  color: var(--ocean-cyan);
  border: 1px solid var(--ocean-border);
  background: rgba(0, 229, 255, 0.05);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.75rem;
}
.navbar-toggler-cyber:focus {
  box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.25);
}
.navbar-toggler-cyber .bi-list {
  font-size: 1.5rem;
  color: var(--ocean-cyan);
}

/* 移动端 Offcanvas 菜单 */
.offcanvas-cyber {
  background: rgba(6, 11, 25, 0.96) !important;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-left: 1px solid var(--ocean-border);
  color: var(--ocean-text-bright);
}
.offcanvas-cyber .nav-link {
  color: var(--ocean-text-muted) !important;
  transition: var(--transition-fast);
}
.offcanvas-cyber .nav-link:hover {
  color: var(--ocean-cyan) !important;
  transform: translateX(6px);
}
.btn-close-white-custom {
  filter: invert(1) brightness(1.5);
}

/* ==================================================
   按钮体系（Cyber Oceanic Buttons）
   ================================================== */
.btn-ocean-primary {
  background: linear-gradient(135deg, var(--ocean-cyan) 0%, var(--ocean-blue) 100%);
  color: #030712 !important;
  font-weight: 700;
  border: none;
  box-shadow: 0 0 20px var(--ocean-cyan-glow), inset 0 1px 0 rgba(255, 255, 255, 0.4);
  transition: var(--transition-fast);
  border-radius: var(--radius-sm);
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}
.btn-ocean-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.35), transparent);
  transition: 0.5s;
}
.btn-ocean-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(0, 229, 255, 0.65), 0 8px 24px rgba(37, 99, 235, 0.4);
  color: #000 !important;
}
.btn-ocean-primary:hover::before {
  left: 100%;
}

.btn-ocean-outline {
  background: rgba(0, 229, 255, 0.04);
  color: var(--ocean-cyan) !important;
  border: 1px solid var(--ocean-border);
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}
.btn-ocean-outline:hover {
  background: rgba(0, 229, 255, 0.14);
  border-color: var(--ocean-cyan);
  color: #ffffff !important;
  transform: translateY(-2px);
  box-shadow: 0 0 20px var(--ocean-cyan-glow);
}

.btn-ocean-beacon {
  background: linear-gradient(135deg, var(--ocean-beacon) 0%, #ea580c 100%);
  color: #ffffff !important;
  font-weight: 700;
  border: none;
  box-shadow: 0 0 20px var(--ocean-beacon-glow);
  transition: var(--transition-fast);
  border-radius: var(--radius-sm);
}
.btn-ocean-beacon:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(245, 158, 11, 0.65);
  color: #ffffff !important;
}

/* ==================================================
   Hero 首屏区块（Cyber Ocean Hero）
   ================================================== */
#hero {
  padding: 5rem 0 4.5rem;
  background: transparent;
  position: relative;
}

/* 航标灯脉冲指示徽章 */
.ocean-beacon-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.45rem 1.15rem;
  background: rgba(0, 229, 255, 0.08);
  border: 1px solid rgba(0, 229, 255, 0.28);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  color: var(--ocean-cyan);
  font-weight: 600;
  margin-bottom: 1.75rem;
  box-shadow: 0 0 18px rgba(0, 229, 255, 0.15);
  backdrop-filter: blur(8px);
}
.pulse-beacon {
  width: 9px;
  height: 9px;
  background-color: var(--ocean-cyan);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--ocean-cyan);
  position: relative;
}
.pulse-beacon::after {
  content: '';
  position: absolute;
  top: -4px;
  left: -4px;
  width: 17px;
  height: 17px;
  border-radius: 50%;
  border: 2px solid var(--ocean-cyan);
  animation: beaconWave 1.8s infinite ease-out;
}
@keyframes beaconWave {
  0% { transform: scale(0.5); opacity: 1; }
  100% { transform: scale(2.2); opacity: 0; }
}

/* 首屏主标题渐变流光文字 */
.cyber-title {
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
  line-height: 1.15;
  background: linear-gradient(135deg, #ffffff 0%, #e0f2fe 35%, var(--ocean-cyan) 75%, #3b82f6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 2px 20px rgba(0, 229, 255, 0.25));
}

.cyber-subtitle {
  font-size: clamp(1.2rem, 2.5vw, 1.8rem);
  font-weight: 700;
  color: var(--ocean-cyan);
  text-shadow: 0 0 15px rgba(0, 229, 255, 0.3);
  margin-bottom: 1.25rem;
}

.hero-lead {
  font-size: 1.125rem;
  color: var(--ocean-text-muted);
  line-height: 1.8;
  max-width: 680px;
  margin: 0 auto 2.25rem;
}

/* 关键特性指标矩阵胶囊 */
.hero-metrics-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.85rem;
  margin-bottom: 2.5rem;
}
.hero-metric-item {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(11, 22, 45, 0.65);
  border: 1px solid var(--ocean-border);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--ocean-text-main);
  backdrop-filter: blur(8px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
  transition: var(--transition-fast);
}
.hero-metric-item i {
  color: var(--ocean-cyan);
  font-size: 1.1rem;
}
.hero-metric-item:hover {
  border-color: var(--ocean-cyan);
  box-shadow: 0 0 15px var(--ocean-cyan-glow);
  transform: translateY(-2px);
  color: var(--ocean-text-bright);
}

/* ==================================================
   通用区块标题
   ================================================== */
.section-header {
  margin-bottom: 3.5rem;
  text-align: center;
}
.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--ocean-cyan);
  background: rgba(0, 229, 255, 0.08);
  border: 1px solid rgba(0, 229, 255, 0.2);
  padding: 0.25rem 0.85rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.75rem;
}
.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 800;
  color: var(--ocean-text-bright);
  letter-spacing: -0.01em;
  margin-bottom: 0.75rem;
  text-shadow: 0 2px 16px rgba(0, 229, 255, 0.15);
}
.section-desc {
  font-size: 1.05rem;
  color: var(--ocean-text-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* ==================================================
   产品特性卡片（Cyber Ocean Glass Cards）
   ================================================== */
#features {
  padding: 5rem 0;
}
.cyber-card {
  background: var(--ocean-card);
  border: 1px solid var(--ocean-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 12px 35px rgba(2, 6, 23, 0.6);
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
  height: 100%;
}
.cyber-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--ocean-cyan), transparent);
  opacity: 0;
  transition: var(--transition-fast);
}
.cyber-card:hover {
  background: var(--ocean-card-hover);
  border-color: var(--ocean-border-hover);
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(0, 229, 255, 0.18), inset 0 0 20px rgba(0, 229, 255, 0.04);
}
.cyber-card:hover::before {
  opacity: 1;
}

.cyber-card .card-body {
  padding: 2.25rem 1.85rem;
}

/* 特性图标胶囊舱 */
.feature-icon-pod {
  width: 76px;
  height: 76px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.15) 0%, rgba(11, 22, 45, 0.8) 70%);
  border: 1px solid rgba(0, 229, 255, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  box-shadow: 0 0 20px rgba(0, 229, 255, 0.18);
  transition: var(--transition-fast);
}
.cyber-card:hover .feature-icon-pod {
  border-color: var(--ocean-cyan);
  transform: scale(1.08) rotate(3deg);
  box-shadow: 0 0 30px rgba(0, 229, 255, 0.45);
}
.feature-icon-pod img {
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.5));
}

.cyber-card .card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--ocean-text-bright);
  margin-bottom: 0.85rem;
}
.cyber-card .card-text {
  font-size: 0.95rem;
  color: var(--ocean-text-muted);
  line-height: 1.7;
}

/* ==================================================
   价格套餐区块（Pricing Deck）
   ================================================== */
#pricing {
  padding: 5rem 0;
  position: relative;
}

.pricing-card-cyber {
  background: var(--ocean-card);
  border: 1px solid var(--ocean-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 16px 40px rgba(2, 6, 23, 0.7);
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
  height: 100%;
}
.pricing-card-cyber:hover {
  transform: translateY(-8px);
  border-color: var(--ocean-border-hover);
  box-shadow: 0 20px 50px rgba(0, 229, 255, 0.22);
}

/* VIP2 甄选推荐卡片高光 */
.pricing-card-cyber.recommended {
  border: 2px solid var(--ocean-cyan);
  background: radial-gradient(circle at 50% 0%, rgba(0, 229, 255, 0.14) 0%, rgba(11, 22, 45, 0.9) 65%);
  box-shadow: 0 20px 60px rgba(0, 229, 255, 0.28);
  transform: scale(1.03);
  z-index: 2;
}
.pricing-card-cyber.recommended:hover {
  transform: scale(1.05) translateY(-8px);
  box-shadow: 0 25px 70px rgba(0, 229, 255, 0.45);
}

/* 甄选航标金角标 */
.badge-beacon {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: linear-gradient(135deg, var(--ocean-beacon) 0%, #ea580c 100%);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  box-shadow: 0 0 16px var(--ocean-beacon-glow);
  text-transform: uppercase;
}

.pricing-card-cyber .card-body {
  padding: 2.75rem 2rem 2.25rem;
}

.plan-name {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--ocean-text-bright);
  margin-bottom: 0.75rem;
}
.plan-price {
  font-size: 2.75rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 1.75rem;
}
.plan-price.price-vip1 {
  color: var(--ocean-cyan);
  text-shadow: 0 0 20px rgba(0, 229, 255, 0.3);
}
.plan-price.price-vip2 {
  color: #38bdf8;
  background: linear-gradient(135deg, #00e5ff 0%, #38bdf8 50%, #818cf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 20px rgba(0, 229, 255, 0.4));
}
.plan-price.price-vip3 {
  color: var(--ocean-purple);
  text-shadow: 0 0 20px rgba(139, 92, 246, 0.3);
}

/* 特权清单列表 */
.plan-feature-list {
  list-style: none;
  padding: 0;
  margin: 0 0 2.25rem;
  text-align: left;
}
.plan-feature-list li {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.95rem;
  color: var(--ocean-text-main);
  margin-bottom: 0.95rem;
  line-height: 1.5;
}
.plan-feature-list li i {
  color: var(--ocean-cyan);
  font-size: 1.1rem;
  flex-shrink: 0;
}
.pricing-card-cyber.recommended .plan-feature-list li i {
  color: var(--ocean-cyan);
  filter: drop-shadow(0 0 6px var(--ocean-cyan));
}

/* ==================================================
   用户评价区块（Testimonials）
   ================================================== */
#testimonials {
  padding: 5rem 0;
}
.testimonial-card-cyber {
  background: var(--ocean-card);
  border: 1px solid var(--ocean-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding: 2.25rem 2rem;
  box-shadow: 0 12px 35px rgba(2, 6, 23, 0.6);
  transition: var(--transition-normal);
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.testimonial-card-cyber:hover {
  border-color: var(--ocean-border-hover);
  transform: translateY(-5px);
  box-shadow: 0 16px 40px rgba(0, 229, 255, 0.16);
}
.testimonial-stars {
  color: var(--ocean-beacon);
  font-size: 1rem;
  margin-bottom: 1.25rem;
  display: flex;
  gap: 0.25rem;
}
.testimonial-quote {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--ocean-text-main);
  margin-bottom: 1.75rem;
  font-style: normal;
  position: relative;
}
.testimonial-user {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}
.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--ocean-cyan) 0%, var(--ocean-blue) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #030712;
  font-weight: 800;
  font-size: 1.1rem;
  box-shadow: 0 0 12px var(--ocean-cyan-glow);
}
.testimonial-info h6 {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--ocean-text-bright);
}
.testimonial-info small {
  color: var(--ocean-cyan);
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

/* ==================================================
   常见问题手风琴（Cyber FAQ）
   ================================================== */
#faq {
  padding: 5rem 0 6rem;
}
.faq-accordion-cyber .accordion-item {
  background: var(--ocean-card);
  border: 1px solid var(--ocean-border);
  border-radius: var(--radius-md) !important;
  margin-bottom: 1.15rem;
  overflow: hidden;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 8px 24px rgba(2, 6, 23, 0.45);
  transition: var(--transition-fast);
}
.faq-accordion-cyber .accordion-item:hover {
  border-color: var(--ocean-border-hover);
}

.faq-accordion-cyber .accordion-button {
  background: transparent;
  color: var(--ocean-text-bright);
  font-size: 1.05rem;
  font-weight: 700;
  padding: 1.35rem 1.75rem;
  box-shadow: none !important;
  border: none;
  transition: var(--transition-fast);
}
.faq-accordion-cyber .accordion-button:not(.collapsed) {
  background: rgba(0, 229, 255, 0.08);
  color: var(--ocean-cyan);
  border-bottom: 1px solid var(--ocean-border);
}
.faq-accordion-cyber .accordion-button::after {
  filter: invert(1) hue-rotate(180deg);
  transition: transform 0.3s ease;
}
.faq-accordion-cyber .accordion-button:not(.collapsed)::after {
  filter: invert(65%) sepia(95%) saturate(3000%) hue-rotate(150deg);
}

.faq-accordion-cyber .accordion-body {
  padding: 1.5rem 1.75rem;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--ocean-text-muted);
  background: rgba(6, 11, 25, 0.45);
}

/* ==================================================
   页脚样式（Cyber Oceanic Footer）
   ================================================== */
.footer-cyber {
  background: var(--ocean-bg-darker);
  border-top: 1px solid var(--ocean-border);
  padding: 3.5rem 0 2.5rem;
  position: relative;
  z-index: 1;
}
.footer-cyber .footer-links a {
  color: var(--ocean-text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  margin: 0 0.85rem;
  transition: var(--transition-fast);
}
.footer-cyber .footer-links a:hover {
  color: var(--ocean-cyan);
  text-shadow: 0 0 10px var(--ocean-cyan-glow);
}
.footer-cyber .footer-divider {
  color: rgba(255, 255, 255, 0.15);
}
.footer-cyber .copyright {
  color: var(--ocean-text-muted);
  font-size: 0.875rem;
  margin-top: 1.25rem;
}
.footer-status-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(0, 229, 255, 0.05);
  border: 1px solid rgba(0, 229, 255, 0.15);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  color: var(--ocean-cyan);
  margin-bottom: 1.25rem;
}
.status-dot-green {
  width: 7px;
  height: 7px;
  background: #10b981;
  border-radius: 50%;
  box-shadow: 0 0 8px #10b981;
}

/* ==================================================
   响应式调整
   ================================================== */
@media (max-width: 991.98px) {
  #hero {
    padding: 3.5rem 0 3rem;
  }
  .pricing-card-cyber.recommended {
    transform: none;
  }
  .pricing-card-cyber.recommended:hover {
    transform: translateY(-6px);
  }
  .hero-metrics-grid {
    gap: 0.5rem;
  }
}