/* ==========================================================================
   花云 (HuaYun) 官方落地页样式表 - 赛博朋克深紫霓虹风格
   色彩体系: 极夜深紫 #0A0118 | 霓虹粉 #FF006E | 电气薄荷绿 #00F5D4
   字体标准: Space Grotesk / JetBrains Mono / 优雅中文字体
   ========================================================================== */

:root {
  --bg-primary: #0A0118;
  --bg-secondary: #120524;
  --bg-card: rgba(22, 9, 39, 0.72);
  --bg-card-hover: rgba(33, 14, 58, 0.88);
  --neon-pink: #FF006E;
  --neon-pink-glow: rgba(255, 0, 110, 0.45);
  --electric-mint: #00F5D4;
  --electric-mint-glow: rgba(0, 245, 212, 0.4);
  --accent-purple: #8338EC;
  --accent-purple-glow: rgba(131, 56, 236, 0.35);
  --text-main: #FFFFFF;
  --text-muted: #B3A9C9;
  --text-dim: #7A6F94;
  --border-neon: rgba(255, 0, 110, 0.25);
  --border-mint: rgba(0, 245, 212, 0.25);
  --border-glass: rgba(255, 255, 255, 0.08);
  --font-display: 'Space Grotesk', -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: 'JetBrains Mono', Consolas, Menlo, Monaco, monospace;
  --container-max: 1200px;
  --header-height: 76px;
  --transition-smooth: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

/* 基础重置 */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-primary);
  color: var(--text-main);
}

body {
  font-family: var(--font-display);
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* 动态网格背景与深夜霓虹花园氛围 */
.cyber-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.cyber-grid {
  position: absolute;
  top: 0;
  left: 0;
  width: 200%;
  height: 200%;
  background-image: 
    linear-gradient(to right, rgba(131, 56, 236, 0.08) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(131, 56, 236, 0.08) 1px, transparent 1px);
  background-size: 60px 60px;
  transform: perspective(600px) rotateX(45deg) translateY(-25%) translateZ(-100px);
  animation: gridMove 25s linear infinite;
  opacity: 0.65;
}

@keyframes gridMove {
  0% { transform: perspective(600px) rotateX(45deg) translateY(0) translateZ(-100px); }
  100% { transform: perspective(600px) rotateX(45deg) translateY(60px) translateZ(-100px); }
}

.glow-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 15% 20%, rgba(255, 0, 110, 0.15) 0%, transparent 45%),
    radial-gradient(circle at 85% 65%, rgba(0, 245, 212, 0.12) 0%, transparent 50%),
    radial-gradient(circle at 50% 90%, rgba(131, 56, 236, 0.2) 0%, transparent 60%);
  pointer-events: none;
}

/* 鼠标跟随霓虹光圈 */
.cursor-glow {
  position: fixed;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 0, 110, 0.12) 0%, rgba(0, 245, 212, 0.06) 40%, transparent 70%);
  pointer-events: none;
  transform: translate(-50%, -50%);
  z-index: 1;
  mix-blend-mode: screen;
  transition: opacity 0.3s ease;
}

/* 花瓣粒子 Canvas */
#petals-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
}

/* 主内容容器 */
.page-wrapper {
  position: relative;
  z-index: 2;
  width: 100%;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* 技术标签与代码字体 */
.tech-tag {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--electric-mint);
  background: rgba(0, 245, 212, 0.08);
  border: 1px solid rgba(0, 245, 212, 0.3);
  padding: 4px 12px;
  border-radius: 20px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 0 15px rgba(0, 245, 212, 0.2);
}

.tech-tag::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--electric-mint);
  box-shadow: 0 0 8px var(--electric-mint);
  animation: pulseDot 2s infinite ease-in-out;
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.7); }
}

/* 导航栏 */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: rgba(10, 1, 24, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-glass);
  z-index: 1000;
  display: flex;
  align-items: center;
  transition: var(--transition-smooth);
}

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

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-main);
}

.logo-flower-icon {
  width: 36px;
  height: 36px;
  filter: drop-shadow(0 0 10px var(--neon-pink));
}

.brand-text {
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  background: linear-gradient(135deg, #FFFFFF 30%, var(--neon-pink) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-text .en {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--electric-mint);
  -webkit-text-fill-color: var(--electric-mint);
  margin-left: 4px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: 24px;
  align-items: center;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition-smooth);
  position: relative;
  padding: 6px 0;
}

.nav-link:hover, .nav-link.active {
  color: var(--electric-mint);
  text-shadow: 0 0 10px var(--electric-mint-glow);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: linear-gradient(90deg, var(--neon-pink), var(--electric-mint));
  transition: var(--transition-smooth);
  border-radius: 2px;
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.nav-highlight {
  color: var(--neon-pink) !important;
  font-weight: 600;
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* 移动端汉堡菜单按钮 */
.mobile-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-neon);
  border-radius: 8px;
  width: 42px;
  height: 42px;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  justify-content: space-around;
  align-items: center;
}

.mobile-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--electric-mint);
  border-radius: 2px;
  transition: var(--transition-smooth);
}

/* 通用按钮系统 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 8px;
  font-size: 0.98rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
  border: none;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--neon-pink) 0%, #D0005B 100%);
  color: #FFFFFF;
  box-shadow: 0 4px 20px var(--neon-pink-glow), inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(255, 0, 110, 0.65), inset 0 1px 0 rgba(255, 255, 255, 0.5);
  color: #FFFFFF;
}

.btn-mint {
  background: linear-gradient(135deg, var(--electric-mint) 0%, #00B89F 100%);
  color: #0A0118;
  font-weight: 700;
  box-shadow: 0 4px 20px var(--electric-mint-glow);
}

.btn-mint:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 245, 212, 0.65);
  color: #0A0118;
}

.btn-outline {
  background: rgba(22, 9, 39, 0.6);
  color: var(--electric-mint);
  border: 1px solid var(--border-mint);
  backdrop-filter: blur(8px);
}

.btn-outline:hover {
  background: rgba(0, 245, 212, 0.12);
  border-color: var(--electric-mint);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px var(--electric-mint-glow);
  color: #FFFFFF;
}

.btn-outline-pink {
  background: rgba(22, 9, 39, 0.6);
  color: var(--neon-pink);
  border: 1px solid var(--border-neon);
  backdrop-filter: blur(8px);
}

.btn-outline-pink:hover {
  background: rgba(255, 0, 110, 0.12);
  border-color: var(--neon-pink);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px var(--neon-pink-glow);
  color: #FFFFFF;
}

.btn-lg {
  padding: 15px 36px;
  font-size: 1.08rem;
  border-radius: 10px;
}

/* 主视觉区 (Hero Section) */
.hero-section {
  padding-top: calc(var(--header-height) + 70px);
  padding-bottom: 90px;
  position: relative;
  text-align: center;
}

.hero-content {
  max-width: 960px;
  margin: 0 auto;
}

.hero-badge-wrap {
  margin-bottom: 24px;
}

/* 故障风主标题 (Glitch Effect) */
.glitch-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.18;
  margin-bottom: 24px;
  position: relative;
  letter-spacing: -0.5px;
  color: #FFFFFF;
  text-shadow: 0 0 20px rgba(255, 0, 110, 0.35);
}

.glitch-title .brand-accent {
  background: linear-gradient(135deg, var(--neon-pink) 20%, var(--electric-mint) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  position: relative;
  display: inline-block;
}

.glitch-title::before,
.glitch-title::after {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  clip: rect(0, 0, 0, 0);
}

.glitch-title:hover::before {
  left: 2px;
  text-shadow: -2px 0 var(--neon-pink);
  clip: rect(24px, 9999px, 44px, 0);
  animation: glitch-anim-1 2s infinite linear alternate-reverse;
}

.glitch-title:hover::after {
  left: -2px;
  text-shadow: 2px 0 var(--electric-mint);
  clip: rect(50px, 9999px, 80px, 0);
  animation: glitch-anim-2 2.5s infinite linear alternate-reverse;
}

@keyframes glitch-anim-1 {
  0% { clip: rect(10px, 9999px, 30px, 0); }
  25% { clip: rect(40px, 9999px, 60px, 0); }
  50% { clip: rect(20px, 9999px, 50px, 0); }
  75% { clip: rect(70px, 9999px, 90px, 0); }
  100% { clip: rect(0, 9999px, 20px, 0); }
}

@keyframes glitch-anim-2 {
  0% { clip: rect(60px, 9999px, 80px, 0); }
  25% { clip: rect(15px, 9999px, 35px, 0); }
  50% { clip: rect(55px, 9999px, 75px, 0); }
  75% { clip: rect(30px, 9999px, 50px, 0); }
  100% { clip: rect(80px, 9999px, 100px, 0); }
}

.hero-subtitle {
  font-size: 1.35rem;
  color: var(--electric-mint);
  margin-bottom: 20px;
  font-weight: 500;
  text-shadow: 0 0 15px var(--electric-mint-glow);
}

.hero-intro {
  font-size: 1.12rem;
  color: var(--text-muted);
  max-width: 780px;
  margin: 0 auto 38px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

/* 核心参数统计栏 (Metrics) */
.hero-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  background: rgba(18, 5, 36, 0.65);
  border: 1px solid var(--border-glass);
  border-radius: 16px;
  padding: 24px;
  backdrop-filter: blur(12px);
  margin-top: 30px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
}

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

.metric-item:not(:last-child)::after {
  content: "";
  position: absolute;
  right: 0;
  top: 20%;
  height: 60%;
  width: 1px;
  background: var(--border-glass);
}

.metric-num {
  font-family: var(--font-mono);
  font-size: 2.1rem;
  font-weight: 800;
  color: var(--electric-mint);
  line-height: 1.1;
  margin-bottom: 6px;
  text-shadow: 0 0 15px var(--electric-mint-glow);
}

.metric-label {
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* 区块公用标题 */
.section-header {
  text-align: center;
  max-width: 750px;
  margin: 0 auto 54px;
}

.section-tag {
  margin-bottom: 14px;
}

.section-title {
  font-size: 2.35rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 16px;
  line-height: 1.3;
}

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

/* 卡片系统 (霓虹边缘悬浮发光) */
.cyber-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: 16px;
  padding: 32px 28px;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: var(--transition-smooth);
}

.cyber-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--neon-pink), transparent);
  opacity: 0;
  transition: var(--transition-smooth);
}

.cyber-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-neon);
  transform: translateY(-6px);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.5), 0 0 25px rgba(255, 0, 110, 0.2);
}

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

/* 核心优势 (3个图文卡片) */
.features-section {
  padding: 80px 0;
}

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

.feature-card {
  display: flex;
  flex-direction: column;
}

.card-icon-box {
  width: 64px;
  height: 64px;
  border-radius: 12px;
  background: rgba(255, 0, 110, 0.1);
  border: 1px solid rgba(255, 0, 110, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  color: var(--neon-pink);
  transition: var(--transition-smooth);
}

.feature-card:nth-child(2) .card-icon-box {
  background: rgba(0, 245, 212, 0.1);
  border-color: rgba(0, 245, 212, 0.3);
  color: var(--electric-mint);
}

.feature-card:nth-child(3) .card-icon-box {
  background: rgba(131, 56, 236, 0.15);
  border-color: rgba(131, 56, 236, 0.4);
  color: #B580FF;
}

.feature-card:hover .card-icon-box {
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 0 25px currentColor;
}

.card-icon-box svg {
  width: 32px;
  height: 32px;
}

.card-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 12px;
}

.card-text {
  font-size: 0.98rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 20px;
}

.card-bullets {
  list-style: none;
  margin-top: auto;
  border-top: 1px dashed var(--border-glass);
  padding-top: 16px;
}

.card-bullets li {
  font-size: 0.88rem;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.card-bullets li::before {
  content: "✔";
  color: var(--electric-mint);
  font-weight: 700;
}

/* 流媒体与 AI 支持图卡区块 */
.support-section {
  padding: 80px 0;
  position: relative;
}

.support-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.support-card {
  padding: 36px 32px;
}

.support-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.support-head h3 {
  font-size: 1.45rem;
  color: #FFFFFF;
}

.badge-status {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 4px 10px;
  border-radius: 6px;
  background: rgba(0, 245, 212, 0.12);
  color: var(--electric-mint);
  border: 1px solid var(--electric-mint);
}

.support-items-matrix {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 24px;
}

.service-pill {
  background: rgba(10, 1, 24, 0.8);
  border: 1px solid var(--border-glass);
  border-radius: 10px;
  padding: 14px 12px;
  text-align: center;
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.service-pill:hover {
  border-color: var(--electric-mint);
  background: rgba(0, 245, 212, 0.08);
  transform: translateY(-3px);
  box-shadow: 0 6px 18px rgba(0, 245, 212, 0.15);
}

.service-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.service-name {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-main);
}

.service-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--electric-mint);
}

/* 价格对比表区块 */
.pricing-section {
  padding: 90px 0;
  position: relative;
}

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

.pricing-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 40px 32px;
  position: relative;
}

.pricing-card.featured {
  background: rgba(30, 10, 52, 0.88);
  border: 2px solid var(--neon-pink);
  box-shadow: 0 16px 48px rgba(255, 0, 110, 0.28);
  transform: scale(1.04);
}

.featured-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  background: linear-gradient(135deg, var(--neon-pink), #8338EC);
  color: #FFFFFF;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 20px;
  letter-spacing: 0.5px;
  box-shadow: 0 0 12px var(--neon-pink-glow);
}

.plan-name {
  font-size: 1.4rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 6px;
}

.plan-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.plan-price-box {
  display: flex;
  align-items: baseline;
  margin-bottom: 26px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-glass);
}

.currency-symbol {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--electric-mint);
  margin-right: 2px;
}

.price-number {
  font-family: var(--font-mono);
  font-size: 3rem;
  font-weight: 800;
  color: #FFFFFF;
  line-height: 1;
}

.price-period {
  font-size: 0.95rem;
  color: var(--text-dim);
  margin-left: 6px;
}

.plan-features {
  list-style: none;
  margin-bottom: 32px;
}

.plan-features li {
  font-size: 0.94rem;
  color: var(--text-muted);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.plan-features li strong {
  color: #FFFFFF;
}

.plan-features li::before {
  content: "✔";
  color: var(--electric-mint);
  font-weight: 700;
  flex-shrink: 0;
}

.pricing-card .btn {
  width: 100%;
}

/* 用户真实评价区块 */
.reviews-section {
  padding: 80px 0;
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.review-card {
  padding: 28px;
  display: flex;
  flex-direction: column;
}

.review-stars {
  color: #FFB703;
  font-size: 1.1rem;
  margin-bottom: 14px;
  letter-spacing: 2px;
}

.review-content {
  font-size: 0.96rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 22px;
  flex-grow: 1;
  font-style: italic;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 12px;
  border-top: 1px solid var(--border-glass);
  padding-top: 16px;
}

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--neon-pink), var(--accent-purple));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.05rem;
  color: #FFFFFF;
  border: 1px solid var(--border-mint);
}

.author-info h4 {
  font-size: 0.95rem;
  color: #FFFFFF;
  margin-bottom: 2px;
}

.author-info span {
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* 常见问题解答 (FAQ) */
.faq-section {
  padding: 80px 0 100px;
}

.faq-container {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: 12px;
  overflow: hidden;
  transition: var(--transition-smooth);
}

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

.faq-question {
  width: 100%;
  padding: 22px 24px;
  background: transparent;
  border: none;
  color: #FFFFFF;
  font-size: 1.1rem;
  font-weight: 600;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  outline: none;
}

.faq-arrow {
  color: var(--electric-mint);
  font-size: 1.3rem;
  transition: transform 0.3s ease;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  padding: 0 24px;
  color: var(--text-muted);
  font-size: 0.96rem;
  line-height: 1.75;
}

.faq-item.active .faq-answer {
  max-height: 400px;
  padding: 0 24px 22px;
}

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

/* 底部行动召唤横幅 (Bottom CTA) */
.cta-banner-section {
  padding: 50px 0 90px;
}

.cta-banner-card {
  background: linear-gradient(135deg, rgba(33, 11, 56, 0.95) 0%, rgba(18, 5, 36, 0.95) 100%);
  border: 1px solid var(--border-neon);
  border-radius: 20px;
  padding: 54px 40px;
  text-align: center;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6), inset 0 0 30px rgba(255, 0, 110, 0.15);
  position: relative;
  overflow: hidden;
}

.cta-banner-card h2 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 16px;
  color: #FFFFFF;
}

.cta-banner-card p {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 680px;
  margin: 0 auto 32px;
}

.cta-banner-btns {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

/* 极简规范页脚 (Footer) - 严格只保留四个链接，新窗口打开 */
.site-footer {
  background: #06010F;
  border-top: 1px solid var(--border-glass);
  padding: 44px 0 36px;
  position: relative;
  z-index: 10;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  text-align: center;
}

.footer-nav-list {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 36px;
  list-style: none;
  flex-wrap: wrap;
}

.footer-nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition-smooth);
  padding: 6px 10px;
}

.footer-nav-link:hover {
  color: var(--electric-mint);
  text-shadow: 0 0 10px var(--electric-mint-glow);
}

.footer-copy {
  font-size: 0.85rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

/* 资讯中心与文章页专用样式 */
.article-header-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  color: var(--text-dim);
  font-size: 0.88rem;
  font-family: var(--font-mono);
  margin-bottom: 24px;
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 60px;
}

.article-summary-card {
  display: flex;
  flex-direction: column;
  padding: 28px;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: 14px;
  transition: var(--transition-smooth);
  text-decoration: none;
}

.article-summary-card:hover {
  border-color: var(--electric-mint);
  transform: translateY(-5px);
  box-shadow: 0 12px 30px rgba(0, 245, 212, 0.15);
}

.article-tag {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--neon-pink);
  margin-bottom: 12px;
}

.article-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 12px;
  line-height: 1.45;
}

.article-card-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 20px;
  flex-grow: 1;
}

.article-read-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--electric-mint);
  font-size: 0.9rem;
  font-weight: 600;
}

.article-content-body {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: 16px;
  padding: 44px 40px;
  line-height: 1.85;
  color: #D3CBDF;
  font-size: 1.05rem;
  margin-bottom: 40px;
}

.article-content-body h2 {
  font-size: 1.7rem;
  color: #FFFFFF;
  margin: 36px 0 18px;
  border-left: 4px solid var(--neon-pink);
  padding-left: 14px;
}

.article-content-body h3 {
  font-size: 1.3rem;
  color: var(--electric-mint);
  margin: 28px 0 14px;
}

.article-content-body p {
  margin-bottom: 20px;
}

.article-content-body ul, .article-content-body ol {
  margin-bottom: 22px;
  padding-left: 24px;
}

.article-content-body li {
  margin-bottom: 8px;
}

.article-content-body a {
  color: var(--electric-mint);
  text-decoration: underline;
  text-underline-offset: 4px;
  font-weight: 600;
  transition: var(--transition-smooth);
}

.article-content-body a:hover {
  color: var(--neon-pink);
}

/* 法律条款与关于页面样式 */
.legal-content-wrap {
  padding: 60px 0 100px;
}

.legal-box {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: 16px;
  padding: 48px;
}

.legal-box h1 {
  font-size: 2.2rem;
  color: #FFFFFF;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border-glass);
  padding-bottom: 18px;
}

.legal-box h2 {
  font-size: 1.5rem;
  color: var(--electric-mint);
  margin: 32px 0 16px;
}

.legal-box p {
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 18px;
}

.legal-box ul {
  padding-left: 24px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.legal-box li {
  margin-bottom: 10px;
  line-height: 1.7;
}

/* 响应式媒体查询 (@media) 保证手机端单栏完美适配 */
@media (max-width: 1024px) {
  .features-grid,
  .pricing-grid,
  .reviews-grid,
  .articles-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pricing-card.featured {
    transform: none;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 68px;
  }
  
  .container {
    padding: 0 18px;
  }
  
  .mobile-toggle {
    display: flex;
  }
  
  .main-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background: rgba(10, 1, 24, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-neon);
    flex-direction: column;
    padding: 24px 20px;
    gap: 20px;
    display: none;
  }
  
  .main-nav.active {
    display: flex;
  }
  
  .nav-list {
    flex-direction: column;
    width: 100%;
    gap: 16px;
    text-align: center;
  }
  
  .nav-link {
    display: block;
    font-size: 1.05rem;
    padding: 8px 0;
  }
  
  .nav-cta {
    width: 100%;
    flex-direction: column;
  }
  
  .nav-cta .btn {
    width: 100%;
  }

  .glitch-title {
    font-size: 2.2rem;
    line-height: 1.25;
  }

  .hero-subtitle {
    font-size: 1.15rem;
  }

  .hero-intro {
    font-size: 1rem;
    margin-bottom: 30px;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
    gap: 14px;
  }

  .hero-actions .btn {
    width: 100%;
    min-height: 48px; /* 适合手指点击 */
  }

  .hero-metrics {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    padding: 18px;
  }

  .metric-item:nth-child(2)::after {
    display: none;
  }

  .features-grid,
  .support-grid,
  .pricing-grid,
  .reviews-grid,
  .articles-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .support-items-matrix {
    grid-template-columns: repeat(2, 1fr);
  }

  .section-title {
    font-size: 1.85rem;
  }

  .cta-banner-card {
    padding: 36px 20px;
  }

  .cta-banner-card h2 {
    font-size: 1.65rem;
  }

  .cta-banner-btns {
    flex-direction: column;
    width: 100%;
  }

  .cta-banner-btns .btn {
    width: 100%;
    min-height: 48px;
  }

  .footer-nav-list {
    gap: 18px;
    flex-direction: column;
  }

  .legal-box {
    padding: 24px 18px;
  }
  
  .article-content-body {
    padding: 28px 18px;
  }
}