/* ==========================================================================
   欧易 OKX 官方推广落地页核心样式表 (walletx5.com)
   邀请码：OK6667 | 高性能 · 移动端优先 · SEO友好 · 防反作弊合规设计
   ========================================================================== */

:root {
  --bg-primary: #080c14;
  --bg-secondary: #0f172a;
  --bg-card: rgba(18, 24, 38, 0.85);
  --bg-card-hover: rgba(26, 35, 54, 0.95);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-accent: rgba(0, 242, 152, 0.3);
  --text-main: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --neon-green: #00F298;
  --neon-green-glow: rgba(0, 242, 152, 0.25);
  --neon-cyan: #00D2FF;
  --neon-amber: #F59E0B;
  --gradient-brand: linear-gradient(135deg, #00F298 0%, #00D2FF 100%);
  --gradient-card: linear-gradient(180deg, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0) 100%);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-full: 9999px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --shadow-glow: 0 0 25px rgba(0, 242, 152, 0.2);
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(0, 242, 152, 0.07) 0%, transparent 40%),
    radial-gradient(circle at 85% 30%, rgba(0, 210, 255, 0.06) 0%, transparent 40%),
    radial-gradient(circle at 50% 85%, rgba(0, 242, 152, 0.04) 0%, transparent 50%);
  background-attachment: fixed;
}

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

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

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

/* 容器规范 */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ================= 头部导航 ================= */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(8, 12, 20, 0.85);
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--transition-fast);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo-icon-svg {
  width: 36px;
  height: 36px;
  border-radius: 8px;
}

.logo-text-group {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 6px;
}

.brand-partner-badge {
  font-size: 0.68rem;
  font-weight: 600;
  padding: 2px 7px;
  background: rgba(0, 242, 152, 0.15);
  color: var(--neon-green);
  border: 1px solid rgba(0, 242, 152, 0.3);
  border-radius: var(--radius-full);
  letter-spacing: 0.2px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

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

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

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

/* 按钮规范 */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--gradient-brand);
  color: #080c14;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 10px 22px;
  border-radius: var(--radius-full);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  box-shadow: 0 4px 14px rgba(0, 242, 152, 0.25);
  white-space: nowrap;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 242, 152, 0.4);
}

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

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 10px 20px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-fast);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.25);
}

/* ================= HERO 核心区域 ================= */
.hero-section {
  padding: 60px 0 70px;
  position: relative;
}

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

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(0, 242, 152, 0.1);
  border: 1px solid rgba(0, 242, 152, 0.25);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  color: var(--neon-green);
  font-weight: 600;
  margin-bottom: 20px;
}

.hero-tag .pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--neon-green);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--neon-green);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.2); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

.hero-title {
  font-size: 2.85rem;
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 18px;
  color: #fff;
}

.hero-title .gradient-text {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.12rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 28px;
}

/* 邀请码优惠券卡片 */
.referral-ticket-card {
  background: var(--bg-card);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-glow);
  position: relative;
  overflow: hidden;
  margin-bottom: 28px;
}

.referral-ticket-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-brand);
}

.ticket-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

.ticket-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}

.ticket-discount-tag {
  background: rgba(0, 242, 152, 0.15);
  color: var(--neon-green);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--radius-full);
}

.ticket-code-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(0, 0, 0, 0.45);
  border: 1px dashed rgba(0, 242, 152, 0.4);
  border-radius: var(--radius-md);
  padding: 12px 18px;
  gap: 12px;
}

.code-display {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.code-val {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 1.85rem;
  font-weight: 800;
  letter-spacing: 2px;
  color: #fff;
  text-shadow: 0 0 10px rgba(0, 242, 152, 0.3);
}

.btn-copy {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--neon-green);
  color: #080c14;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}

.btn-copy:hover {
  background: #1aff9d;
  transform: scale(1.03);
}

.btn-copy.copied {
  background: #38bdf8;
  color: #080c14;
}

.ticket-perks-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--border-subtle);
  list-style: none;
}

.ticket-perk-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.ticket-perk-item svg {
  color: var(--neon-green);
  flex-shrink: 0;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}

.btn-hero-cta {
  padding: 14px 34px;
  font-size: 1.05rem;
}

.hero-guarantee {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.84rem;
  color: var(--text-muted);
}

/* Hero 右侧：二维码展示卡片 */
.qr-hero-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 30px;
  text-align: center;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  position: relative;
}

.qr-hero-card::after {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: var(--radius-lg);
  padding: 1px;
  background: linear-gradient(135deg, rgba(0, 242, 152, 0.25), transparent, rgba(0, 210, 255, 0.25));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.qr-card-badge {
  display: inline-block;
  font-size: 0.78rem;
  color: var(--neon-cyan);
  background: rgba(0, 210, 255, 0.12);
  border: 1px solid rgba(0, 210, 255, 0.25);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
  font-weight: 600;
}

.qr-box-wrapper {
  background: #ffffff;
  padding: 14px;
  border-radius: var(--radius-md);
  width: 230px;
  height: 230px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
  position: relative;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  cursor: pointer;
}

.qr-box-wrapper:hover {
  transform: scale(1.03);
  box-shadow: 0 12px 30px rgba(0, 242, 152, 0.35);
}

.qr-box-wrapper img,
.qr-box-wrapper canvas {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.qr-hint {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.qr-target-url {
  font-size: 0.75rem;
  color: var(--text-muted);
  word-break: break-all;
  font-family: monospace;
}

.qr-card-features {
  display: flex;
  justify-content: space-around;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
}

.qr-feature-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.qr-feat-val {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
}

.qr-feat-lbl {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ================= 信任数据栏 ================= */
.trust-bar {
  padding: 24px 0;
  background: rgba(15, 23, 42, 0.4);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 14px;
}

.trust-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--neon-green);
  flex-shrink: 0;
}

.trust-content h3 {
  font-size: 1.15rem;
  font-weight: 800;
  color: #fff;
}

.trust-content p {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ================= 通用 Section 规范 ================= */
.section {
  padding: 70px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 46px;
}

.section-tag {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--neon-green);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 10px;
}

.section-title {
  font-size: 2.15rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: #fff;
  margin-bottom: 14px;
}

.section-desc {
  font-size: 1rem;
  color: var(--text-secondary);
}

/* ================= 新人福利矩阵 ================= */
.perks-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.perk-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 30px;
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.perk-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 242, 152, 0.4);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
}

.perk-card.featured {
  border-color: var(--border-accent);
  background: linear-gradient(180deg, rgba(0, 242, 152, 0.06) 0%, rgba(18, 24, 38, 0.95) 100%);
}

.perk-badge {
  position: absolute;
  top: 18px;
  right: 18px;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: var(--radius-full);
  background: rgba(0, 242, 152, 0.15);
  color: var(--neon-green);
}

.perk-icon-wrap {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: rgba(0, 242, 152, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--neon-green);
  margin-bottom: 20px;
}

.perk-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}

.perk-card p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 18px;
}

.perk-highlight-stat {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--neon-green);
  margin-bottom: 6px;
}

.perk-card ul {
  list-style: none;
  border-top: 1px solid var(--border-subtle);
  padding-top: 14px;
}

.perk-card li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.perk-card li svg {
  color: var(--neon-green);
  flex-shrink: 0;
}

/* ================= 手续费节省计算器 ================= */
.calculator-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px;
  max-width: 860px;
  margin: 0 auto;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
}

.calc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  align-items: center;
}

.calc-input-group {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.calc-label-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.calc-label {
  font-size: 0.95rem;
  font-weight: 600;
  color: #fff;
}

.calc-vol-display {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--neon-cyan);
  font-family: monospace;
}

.slider-wrapper {
  position: relative;
}

input[type="range"].calc-slider {
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: #1e293b;
  outline: none;
  -webkit-appearance: none;
  cursor: pointer;
}

input[type="range"].calc-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--neon-green);
  box-shadow: 0 0 12px var(--neon-green);
  cursor: pointer;
  border: 2px solid #080c14;
}

.calc-slider-scale {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 6px;
}

.calc-type-selector {
  display: flex;
  gap: 10px;
  background: rgba(0, 0, 0, 0.3);
  padding: 4px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

.calc-type-btn {
  flex: 1;
  padding: 8px 12px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  border-radius: 6px;
  transition: all var(--transition-fast);
}

.calc-type-btn.active {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

/* 计算器右侧结果展示 */
.calc-result-box {
  background: rgba(0, 242, 152, 0.05);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
}

.calc-res-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.calc-savings-number {
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--neon-green);
  line-height: 1.1;
  margin-bottom: 6px;
  font-family: monospace;
}

.calc-savings-sub {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.calc-breakdown {
  display: flex;
  justify-content: space-around;
  border-top: 1px solid var(--border-subtle);
  padding-top: 14px;
  margin-bottom: 20px;
}

.calc-b-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.calc-b-val {
  font-weight: 700;
  font-size: 1.05rem;
  color: #fff;
}

.calc-b-lbl {
  font-size: 0.72rem;
  color: var(--text-muted);
}

/* ================= 注册4步流程 ================= */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  position: relative;
}

.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px 22px;
  position: relative;
  transition: all var(--transition-fast);
}

.step-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 242, 152, 0.3);
}

.step-number-tag {
  font-size: 1.8rem;
  font-weight: 900;
  color: rgba(255, 255, 255, 0.1);
  line-height: 1;
  position: absolute;
  top: 18px;
  right: 18px;
}

.step-icon-circle {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(0, 242, 152, 0.1);
  color: var(--neon-green);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.step-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}

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

/* ================= APP下载与安全指南 ================= */
.app-download-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}

.app-platform-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  gap: 24px;
  align-items: center;
}

.app-icon-large {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: #fff;
}

.app-info h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
}

.app-info p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.app-btn-group {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* 安全提示横幅 */
.security-alert-box {
  margin-top: 30px;
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: var(--radius-md);
  padding: 18px 24px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.sec-icon {
  color: var(--neon-amber);
  flex-shrink: 0;
  margin-top: 2px;
}

.sec-text h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}

.sec-text p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ================= 常见问题 FAQ ================= */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

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

.faq-item:hover {
  border-color: rgba(255, 255, 255, 0.2);
}

.faq-item.active {
  border-color: var(--border-accent);
}

.faq-question {
  width: 100%;
  padding: 18px 22px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-align: left;
  font-size: 1.02rem;
  font-weight: 600;
  color: #fff;
  background: none;
  cursor: pointer;
}

.faq-toggle-icon {
  color: var(--text-muted);
  transition: transform var(--transition-fast);
  flex-shrink: 0;
}

.faq-item.active .faq-toggle-icon {
  transform: rotate(180deg);
  color: var(--neon-green);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out, padding 0.3s ease;
  background: rgba(0, 0, 0, 0.2);
}

.faq-answer-inner {
  padding: 0 22px 20px;
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.faq-answer-inner strong {
  color: #fff;
}

/* ================= 底部合规声明与防反作弊保护 ================= */
.footer {
  margin-top: auto;
  background: #05080e;
  border-top: 1px solid var(--border-subtle);
  padding: 50px 0 30px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-compliance-box {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 22px 26px;
  margin-bottom: 36px;
}

.comp-badge-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.comp-pill {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  background: rgba(0, 242, 152, 0.12);
  color: var(--neon-green);
  border: 1px solid rgba(0, 242, 152, 0.25);
}

.comp-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
}

.comp-text {
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

.footer-nav-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 24px;
}

.footer-links {
  display: flex;
  gap: 22px;
  list-style: none;
  flex-wrap: wrap;
}

.footer-link {
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--neon-green);
}

.copyright-text {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-align: center;
}

/* ================= 移动端吸底转化条 ================= */
.mobile-sticky-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 999;
  background: rgba(12, 16, 24, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--border-accent);
  padding: 10px 16px;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.6);
}

.mobile-sticky-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  max-width: 500px;
  margin: 0 auto;
}

.mob-code-info {
  display: flex;
  flex-direction: column;
}

.mob-code-lbl {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.mob-code-val {
  font-family: monospace;
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--neon-green);
}

.mob-action-group {
  display: flex;
  gap: 8px;
}

.btn-mob-copy {
  padding: 8px 14px;
  font-size: 0.85rem;
}

.btn-mob-reg {
  padding: 8px 18px;
  font-size: 0.85rem;
}

/* ================= 复制成功 Toast 弹窗 ================= */
.toast-notice {
  position: fixed;
  bottom: 85px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: rgba(15, 23, 42, 0.95);
  border: 1px solid var(--neon-green);
  color: #fff;
  padding: 12px 24px;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.6), 0 0 15px var(--neon-green-glow);
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: 10px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
}

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

.toast-icon {
  color: var(--neon-green);
}

/* ================= 响应式适配 ================= */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-tag {
    margin: 0 auto 20px;
  }

  .ticket-header {
    justify-content: center;
    gap: 14px;
  }

  .ticket-code-box {
    justify-content: center;
  }

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

  .qr-hero-card {
    max-width: 440px;
    margin: 0 auto;
  }

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

  .perks-grid {
    grid-template-columns: 1fr;
  }

  .calc-grid {
    grid-template-columns: 1fr;
  }

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

  .app-download-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }

  .header-actions .btn-outline {
    display: none;
  }

  .hero-title {
    font-size: 2.15rem;
  }

  .ticket-perks-list {
    grid-template-columns: 1fr;
  }

  .steps-grid {
    grid-template-columns: 1fr;
  }

  .mobile-sticky-bar {
    display: block;
  }

  body {
    padding-bottom: 70px;
  }
}