/* ==========================================================================
   全栈金融级纯 CSS 视觉系统 (ONE PAY)
   设计风格：高端金融科技 (Deep Space Dark & Glassmorphism & Aurora Glow)
   ========================================================================== */

:root {
  /* 基础色盘 */
  --bg-primary: #070a13;
  --bg-secondary: #0d1322;
  --bg-tertiary: #141c30;
  --bg-card: rgba(18, 26, 47, 0.65);
  --bg-card-hover: rgba(28, 39, 69, 0.75);

  /* 主题强调色 */
  --accent-cyan: #00f2fe;
  --accent-blue: #4facfe;
  --accent-purple: #7f00ff;
  --accent-indigo: #4834d4;
  --accent-gold: #ffbe3b;
  --accent-green: #05c46b;

  /* 文字颜色 */
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  /* 边框与光影 */
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(0, 242, 254, 0.5);
  --glow-cyan: 0 0 25px rgba(0, 242, 254, 0.35);
  --glow-purple: 0 0 25px rgba(127, 0, 255, 0.35);
  --glow-blue: 0 0 35px rgba(79, 172, 254, 0.25);
  --shadow-card: 0 12px 35px rgba(0, 0, 0, 0.45);

  /* 渐变预设 */
  --grad-primary: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%);
  --grad-purple: linear-gradient(135deg, #a18cd1 0%, #fbc2eb 100%);
  --grad-deep: linear-gradient(135deg, #1f2a48 0%, #111827 100%);
  --grad-fire: linear-gradient(135deg, #ff7675 0%, #d63031 100%);
  --grad-yeepay: linear-gradient(135deg, #ff6b6b 0%, #ee5253 100%);
  --grad-huifu: linear-gradient(135deg, #0984e3 0%, #00cec9 100%);
  --grad-baofoo: linear-gradient(135deg, #6c5ce7 0%, #a29bfe 100%);

  /* 尺寸与布局 */
  --container-max: 1240px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* 全局重置与基础设定 */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-main);
  scroll-behavior: smooth;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body {
  overflow-x: hidden;
  background: radial-gradient(circle at 15% 15%, rgba(0, 242, 254, 0.08) 0%, transparent 40%),
              radial-gradient(circle at 85% 65%, rgba(127, 0, 255, 0.07) 0%, transparent 45%),
              radial-gradient(circle at 50% 90%, rgba(79, 172, 254, 0.05) 0%, transparent 50%),
              var(--bg-primary);
  min-height: 100vh;
}

/* 顶部环境光斑微动效 */
.aurora-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.aurora-light-1 {
  position: absolute;
  top: -150px;
  left: 10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 242, 254, 0.15) 0%, transparent 70%);
  filter: blur(80px);
  animation: floatLight 12s ease-in-out infinite alternate;
}

.aurora-light-2 {
  position: absolute;
  top: 30%;
  right: -100px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(127, 0, 255, 0.12) 0%, transparent 70%);
  filter: blur(90px);
  animation: floatLight 16s ease-in-out infinite alternate-reverse;
}

@keyframes floatLight {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(40px, 30px) scale(1.1); }
  100% { transform: translate(-30px, 60px) scale(0.95); }
}

/* 栅格与容器 */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* 导航栏 */
.header-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 999;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(7, 10, 19, 0.82);
  border-bottom: 1px solid var(--border-glass);
  transition: var(--transition);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-main);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: -0.5px;
}

.logo-badge {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--grad-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--glow-cyan);
}

.logo-badge svg {
  width: 22px;
  height: 22px;
  fill: #070a13;
}

.nav-links {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 32px;
}

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

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent-cyan);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--grad-primary);
  transition: var(--transition);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* 按钮通用规范 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  outline: none;
}

.btn-primary {
  background: var(--grad-primary);
  color: #070a13;
  box-shadow: var(--glow-cyan);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 35px rgba(0, 242, 254, 0.6);
}

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

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

.btn-large {
  padding: 14px 34px;
  font-size: 1.05rem;
  border-radius: var(--radius-md);
}

/* 英雄首屏 (Hero Section) */
.hero-section {
  padding: 160px 0 100px;
  text-align: center;
  position: relative;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 18px;
  background: rgba(0, 242, 254, 0.1);
  border: 1px solid rgba(0, 242, 254, 0.25);
  border-radius: 50px;
  color: var(--accent-cyan);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
  letter-spacing: 0.5px;
}

.hero-tag .pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-cyan);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 242, 254, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 10px rgba(0, 242, 254, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 242, 254, 0); }
}

.hero-title {
  font-size: clamp(2.3rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 24px;
  letter-spacing: -1px;
}

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

.hero-title .purple-text {
  background: linear-gradient(135deg, #c084fc 0%, #38bdf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  max-width: 800px;
  margin: 0 auto 38px;
  font-size: 1.15rem;
  color: var(--text-muted);
  line-height: 1.8;
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

/* 核心指标统计 */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 40px;
}

.stat-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  padding: 24px 20px;
  border-radius: var(--radius-md);
  text-align: center;
  transition: var(--transition);
}

.stat-card:hover {
  border-color: rgba(0, 242, 254, 0.4);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.stat-number {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 6px;
  font-variant-numeric: tabular-nums;
  background: linear-gradient(180deg, #ffffff 40%, #94a3b8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* 通用章节规范 */
.section {
  padding: 100px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 60px;
}

.section-badge {
  display: inline-block;
  padding: 4px 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  border-radius: 50px;
  color: var(--accent-cyan);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 18px;
  line-height: 1.3;
}

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

/* 三大支付巨头专属卡片 (Featured Channels) */
.channels-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.channel-card {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.channel-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: transparent;
  transition: var(--transition);
}

.channel-card.yeepay::before {
  background: var(--grad-yeepay);
}

.channel-card.huifu::before {
  background: var(--grad-huifu);
}

.channel-card.baofoo::before {
  background: var(--grad-baofoo);
}

.channel-card:hover {
  transform: translateY(-8px);
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.6);
}

.channel-card.yeepay:hover {
  box-shadow: 0 16px 45px rgba(238, 82, 83, 0.22);
}
.channel-card.huifu:hover {
  box-shadow: 0 16px 45px rgba(9, 132, 227, 0.22);
}
.channel-card.baofoo:hover {
  box-shadow: 0 16px 45px rgba(108, 92, 231, 0.22);
}

.channel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.channel-badge-tag {
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-muted);
  font-weight: 600;
}

.channel-icon {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.channel-icon.yeepay-bg {
  background: rgba(238, 82, 83, 0.15);
  color: #ff6b6b;
  border: 1px solid rgba(238, 82, 83, 0.3);
}

.channel-icon.huifu-bg {
  background: rgba(9, 132, 227, 0.15);
  color: #00cec9;
  border: 1px solid rgba(9, 132, 227, 0.3);
}

.channel-icon.baofoo-bg {
  background: rgba(108, 92, 231, 0.15);
  color: #a29bfe;
  border: 1px solid rgba(108, 92, 231, 0.3);
}

.channel-icon svg {
  width: 28px;
  height: 28px;
  fill: currentColor;
}

.channel-name {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text-main);
}

.channel-slogan {
  font-size: 0.9rem;
  color: var(--accent-cyan);
  margin-bottom: 18px;
  font-weight: 500;
}

.channel-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 24px;
  flex-grow: 1;
}

.channel-features {
  list-style: none;
  margin-bottom: 28px;
  border-top: 1px solid var(--border-glass);
  padding-top: 20px;
}

.channel-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.88rem;
  color: #cbd5e1;
  margin-bottom: 12px;
}

.channel-features li svg {
  width: 16px;
  height: 16px;
  fill: var(--accent-cyan);
  flex-shrink: 0;
  margin-top: 4px;
}

.channel-action {
  margin-top: auto;
}

.channel-action .btn {
  width: 100%;
}

/* 核心特性与多维度横评矩阵 */
.comparison-wrapper {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  overflow-x: auto;
  box-shadow: var(--shadow-card);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  min-width: 860px;
}

.comparison-table th,
.comparison-table td {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-glass);
  font-size: 0.92rem;
}

.comparison-table th {
  background: rgba(20, 28, 48, 0.85);
  font-weight: 700;
  color: var(--text-main);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

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

.badge-tag {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 0.78rem;
  font-weight: 600;
}

.badge-tag.tag-blue {
  background: rgba(79, 172, 254, 0.15);
  color: #38bdf8;
  border: 1px solid rgba(79, 172, 254, 0.3);
}

.badge-tag.tag-green {
  background: rgba(5, 196, 107, 0.15);
  color: #05c46b;
  border: 1px solid rgba(5, 196, 107, 0.3);
}

.badge-tag.tag-purple {
  background: rgba(127, 0, 255, 0.15);
  color: #c084fc;
  border: 1px solid rgba(127, 0, 255, 0.3);
}

/* 行业专属解决方案 (Industry Solutions) */
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.solution-box {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 30px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.solution-box:hover {
  transform: translateY(-6px);
  border-color: rgba(0, 242, 254, 0.3);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.4);
}

.solution-box-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(0, 242, 254, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  margin-bottom: 20px;
}

.solution-box-icon svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

.solution-box h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-main);
}

.solution-box p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 16px;
}

.solution-recom {
  font-size: 0.8rem;
  color: var(--accent-cyan);
  font-weight: 600;
}

/* 费率与收益智能试算器 (Calculator Section) */
.calc-container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 36px;
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 44px;
  box-shadow: var(--shadow-card);
}

.calc-form-group {
  margin-bottom: 24px;
}

.calc-form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 8px;
}

.calc-input,
.calc-select {
  width: 100%;
  padding: 13px 18px;
  background: rgba(10, 15, 27, 0.85);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 1rem;
  outline: none;
  transition: var(--transition);
}

.calc-input:focus,
.calc-select:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.25);
}

.calc-result-board {
  background: rgba(13, 19, 34, 0.9);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.calc-result-item {
  margin-bottom: 20px;
}

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

.calc-result-val {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent-cyan);
}

.calc-tips {
  font-size: 0.8rem;
  color: var(--text-dim);
  line-height: 1.6;
}

/* 权威合规资质墙 (Compliance & Trust) */
.compliance-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.compliance-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 26px 20px;
  text-align: center;
  transition: var(--transition);
}

.compliance-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 242, 254, 0.35);
}

.compliance-icon {
  width: 44px;
  height: 44px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: rgba(0, 242, 254, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
}

.compliance-icon svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}

.compliance-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
}

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

/* 接入流程 (Step Flow) */
.flow-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  position: relative;
}

.flow-step-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 28px 22px;
  position: relative;
  transition: var(--transition);
}

.flow-step-card:hover {
  border-color: var(--accent-cyan);
  transform: translateY(-4px);
}

.step-num {
  font-size: 2.4rem;
  font-weight: 900;
  color: rgba(255, 255, 255, 0.08);
  line-height: 1;
  position: absolute;
  top: 16px;
  right: 18px;
}

.step-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 10px;
}

.step-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* 咨询弹窗模态框 (Modal) */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(3, 6, 12, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  padding: 20px;
}

.modal-overlay.active {
  display: flex;
}

.modal-content {
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 520px;
  padding: 38px;
  position: relative;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8);
  animation: modalPop 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalPop {
  from { opacity: 0; transform: scale(0.92); }
  to { opacity: 1; transform: scale(1); }
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1.4rem;
  line-height: 1;
}

.modal-close:hover {
  color: var(--text-main);
}

.modal-header h3 {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 8px;
}

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

.modal-form-group {
  margin-bottom: 18px;
}

.modal-form-group label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-main);
  margin-bottom: 6px;
  font-weight: 600;
}

.modal-input {
  width: 100%;
  padding: 12px 16px;
  background: rgba(7, 10, 19, 0.9);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  outline: none;
  font-size: 0.95rem;
}

.modal-input:focus {
  border-color: var(--accent-cyan);
}

/* 页脚 (SEO 深度优化与内链) */
.site-footer {
  background: #04070d;
  border-top: 1px solid var(--border-glass);
  padding: 80px 0 30px;
  margin-top: 60px;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-col h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 20px;
  position: relative;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 24px;
  height: 2px;
  background: var(--accent-cyan);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.88rem;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--accent-cyan);
  padding-left: 4px;
}

.footer-about p {
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.8;
  margin-top: 16px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.82rem;
  color: var(--text-dim);
}

/* 响应式断点 */
@media (max-width: 1024px) {
  .channels-grid,
  .solutions-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero-stats,
  .compliance-grid,
  .flow-steps {
    grid-template-columns: repeat(2, 1fr);
  }
  .calc-container {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .channels-grid,
  .solutions-grid {
    grid-template-columns: 1fr;
  }
  .hero-stats,
  .compliance-grid,
  .flow-steps {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr;
  }
  .hero-section {
    padding: 130px 0 60px;
  }
}

/* ==========================================================================
   专属微信二维码咨询弹窗系统 (Fintech Modal)
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(5, 8, 16, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 99999;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  padding: 20px;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.modal-content.wechat-modal-content {
  position: relative;
  width: 100%;
  max-width: 440px;
  background: linear-gradient(145deg, rgba(16, 23, 41, 0.95), rgba(9, 13, 26, 0.98));
  border: 1px solid rgba(0, 240, 255, 0.28);
  border-radius: 24px;
  padding: 32px 28px 26px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.75), 0 0 40px rgba(0, 240, 255, 0.12);
  text-align: center;
  transform: scale(0.9) translateY(20px);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.35s ease;
}

.modal-overlay.active .modal-content.wechat-modal-content {
  transform: scale(1) translateY(0);
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 18px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-muted);
  font-size: 1.5rem;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.modal-close:hover {
  background: rgba(239, 68, 68, 0.2);
  border-color: rgba(239, 68, 68, 0.5);
  color: #ff5e62;
  transform: rotate(90deg);
}

.wechat-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 14px;
  background: rgba(7, 193, 96, 0.15);
  border: 1px solid rgba(7, 193, 96, 0.35);
  border-radius: 20px;
  color: #07c160;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.modal-header h3 {
  font-size: 1.35rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 6px;
  letter-spacing: -0.02em;
}

.modal-header p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 20px;
}

.wechat-card {
  background: #ffffff;
  border-radius: 18px;
  padding: 18px 16px 14px;
  margin: 0 auto 20px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.wechat-qr-wrapper {
  width: 100%;
  max-width: 250px;
  aspect-ratio: 1;
  border-radius: 12px;
  overflow: hidden;
  background: #f8fafc;
  display: flex;
  align-items: center;
  justify-content: center;
}

.wechat-qr-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.wechat-user-info {
  margin-top: 12px;
  width: 100%;
}

.wechat-account {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  color: #1e293b;
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.wechat-avatar-mini {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #07c160;
  color: #ffffff;
}

.wechat-region {
  font-size: 0.78rem;
  font-weight: 400;
  color: #64748b;
  margin-left: 2px;
}

.wechat-scan-hint {
  font-size: 0.82rem;
  color: #07c160;
  font-weight: 600;
}

.modal-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.modal-feature-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 4px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 10px;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.modal-feature-item .feat-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 8px var(--accent-cyan);
}

/* ==========================================================================
   易宝支付 (YeePay) 官方主推视觉增强体系
   ========================================================================== */
.channel-card.featured-channel {
  position: relative;
  border: 2px solid rgba(0, 240, 255, 0.65);
  box-shadow: 0 15px 45px rgba(0, 240, 255, 0.16), inset 0 0 25px rgba(0, 240, 255, 0.04);
  background: linear-gradient(180deg, rgba(16, 26, 48, 0.95), rgba(10, 16, 32, 0.98));
  transform: translateY(-4px);
}

.channel-card.featured-channel:hover {
  border-color: #00f0ff;
  box-shadow: 0 20px 55px rgba(0, 240, 255, 0.28), inset 0 0 30px rgba(0, 240, 255, 0.08);
  transform: translateY(-8px);
}

.channel-badge-tag.highlight-badge {
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.22), rgba(14, 165, 233, 0.15));
  border: 1px solid rgba(0, 240, 255, 0.55);
  color: #00f0ff;
  font-weight: 700;
  box-shadow: 0 0 16px rgba(0, 240, 255, 0.18);
  padding: 5px 12px;
  border-radius: 8px;
}

.primary-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  color: #00f0ff;
  background: rgba(0, 240, 255, 0.12);
  border: 1px solid rgba(0, 240, 255, 0.35);
  border-radius: 6px;
  padding: 2px 8px;
  margin-left: 6px;
  vertical-align: middle;
}

/* 对比表格主推列高亮 */
.table-featured-pill {
  display: inline-block;
  background: linear-gradient(135deg, #00f0ff, #0284c7);
  color: #070a13;
  font-size: 0.7rem;
  font-weight: 800;
  padding: 2px 10px;
  border-radius: 12px;
  margin-bottom: 6px;
  box-shadow: 0 2px 10px rgba(0, 240, 255, 0.35);
}

th.col-featured {
  background: rgba(0, 240, 255, 0.1) !important;
  border-top: 3px solid #00f0ff !important;
  color: #ffffff !important;
  border-left: 1px solid rgba(0, 240, 255, 0.25);
  border-right: 1px solid rgba(0, 240, 255, 0.25);
}

td.col-featured {
  background: rgba(0, 240, 255, 0.04) !important;
  border-left: 1px solid rgba(0, 240, 255, 0.2);
  border-right: 1px solid rgba(0, 240, 255, 0.2);
}

tr:hover td.col-featured {
  background: rgba(0, 240, 255, 0.08) !important;
}