/* ========================================
   嘉联支付4G大机官网 - 共享样式文件
   深蓝藏青专业风
   ======================================== */

/* ========================================
   1. 基础样式 reset+字体
   ======================================== */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700;800&family=Noto+Sans+SC:wght@300;400;500;600;700;800&display=swap');

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

:root {
    /* 深蓝藏青配色 - 全新配色 */
    --navy: #1E3A5F;
    --navy-light: #334155;
    --navy-dark: #0F172A;
    /* 稳定绿点缀 */
    --green-stable: #10B981;
    --green-stable-dark: #059669;
    /* 免费金点缀 */
    --gold-free: #F59E0B;
    --gold-free-dark: #D97706;
    /* 背景色 */
    --bg-white: #FFFFFF;
    --bg-page: #F0FDF4;
    --bg-light: #D1FAE5;
    /* 文字色 */
    --text-dark: #0F172A;
    --text-body: #334155;
    --text-muted: #64748B;
    --text-light: #94A3B8;
    /* 边框与阴影 */
    --border: #E5E7EB;
    --card-shadow: 0 2px 8px rgba(30,58,95,0.08);
    --shadow-md: 0 8px 24px rgba(30,58,95,0.12);
    /* 圆角 */
    --radius: 10px;
    --radius-sm: 6px;
    /* 过渡 */
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans SC', 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-body);
    background: var(--bg-white);
    overflow-x: hidden;
}

/* ========================================
   2. 导航栏（白色，滚动深蓝阴影）
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 70px;
    background: rgba(255,255,255,0.98);
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: 0 2px 20px rgba(30,58,95,0.12);
}

.navbar-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--green-stable), var(--green-stable-dark));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 800;
    font-size: 14px;
}

.logo-text {
    font-size: 18px;
    font-weight: 700;
    color: var(--green-stable);
    letter-spacing: 0.5px;
}

.logo-sub {
    font-size: 11px;
    color: var(--text-muted);
    letter-spacing: 1px;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-body);
    font-weight: 500;
    font-size: 15px;
    transition: var(--transition);
    position: relative;
}

.nav-links a:hover {
    color: var(--navy);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--green-stable);
    transition: var(--transition);
}

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

.nav-cta {
    background: linear-gradient(135deg, var(--navy), var(--navy-light));
    color: white !important;
    padding: 10px 24px;
    border-radius: var(--radius-sm);
    font-weight: 600;
}

.nav-cta::after {
    display: none !important;
}

.nav-cta:hover {
    background: linear-gradient(135deg, var(--navy-dark), var(--navy));
    transform: translateY(-1px);
}

/* 汉堡菜单 */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
}

.menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--navy);
    transition: var(--transition);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: white;
    padding: 20px;
    box-shadow: 0 4px 20px rgba(30,58,95,0.1);
}

.mobile-menu.active {
    display: block;
}

.mobile-menu a {
    display: block;
    padding: 14px 16px;
    color: var(--text-body);
    text-decoration: none;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.mobile-menu a:hover {
    background: var(--bg-light);
    color: var(--navy);
}

/* ========================================
   3. 页脚（深蓝藏青渐变）
   ======================================== */
.footer {
    background: linear-gradient(180deg, var(--navy) 0%, var(--navy-dark) 100%);
    color: white;
    padding: 60px 24px 0;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-logo-icon {
    width: 44px;
    height: 44px;
    background: white;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--navy);
    font-weight: 800;
    font-size: 16px;
}

.footer-logo-text {
    font-size: 20px;
    font-weight: 700;
    color: white;
}

.footer-slogan {
    color: rgba(255,255,255,0.8);
    font-size: 14px;
    line-height: 1.8;
}

.footer-links h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
    color: white;
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-links a:hover {
    color: var(--green-stable);
}

.footer-bottom {
    margin-top: 48px;
    padding: 20px 0;
    border-top: 1px solid rgba(255,255,255,0.1);
    text-align: center;
}

.footer-info {
    font-size: 12px;
    color: rgba(255,255,255,0.6);
    line-height: 2;
}

.footer-info a {
    color: rgba(255,255,255,0.6);
    text-decoration: none;
}

.footer-info a:hover {
    color: var(--green-stable);
}

/* ========================================
   4. 公共组件：卡片/按钮/标签
   ======================================== */

/* 深蓝藏青卡片 */
.card {
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--card-shadow);
    padding: 28px;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--navy), var(--navy-light));
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

/* 稳定绿卡片 */
.card-green {
    border-top: 3px solid var(--green-stable);
}

.card-green::before {
    display: none;
}

.card-green::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--green-stable), var(--green-stable-dark));
}

/* 稳定绿标签 */
.badge-green {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: var(--bg-light);
    color: var(--green-stable);
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

/* 免费金标签 */
.badge-gold {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: #FEF3C7;
    color: var(--gold-free-dark);
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

/* 深蓝藏青按钮 */
.btn-navy {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--navy), var(--navy-light));
    color: white;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 15px;
}

.btn-navy:hover {
    background: linear-gradient(135deg, var(--navy-dark), var(--navy));
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(30,58,95,0.3);
    color: white;
}

/* 免费金按钮 */
.btn-gold {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--gold-free), var(--gold-free-dark));
    color: var(--navy-dark);
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    font-weight: 700;
    text-decoration: none;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 15px;
}

.btn-gold:hover {
    background: linear-gradient(135deg, var(--gold-free-dark), #B45309);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(245,158,11,0.4);
    color: var(--navy-dark);
}

/* 白色边框按钮 */
.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    color: white;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    border: 2px solid white;
    cursor: pointer;
    font-size: 15px;
}

.btn-outline:hover {
    background: white;
    color: var(--navy);
}

/* 容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* 区块标题 */
.section-title {
    font-size: 32px;
    font-weight: 800;
    color: var(--navy);
    text-align: center;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 16px;
    color: var(--text-muted);
    text-align: center;
    max-width: 700px;
    margin: 0 auto 48px;
}

/* 胶囊徽章 */
.badge-pill {
    display: inline-flex;
    align-items: center;
    gap: 16px;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    padding: 8px 20px;
    border-radius: 30px;
    font-size: 14px;
    color: white;
    font-weight: 500;
}

/* ========================================
   5. 首页专属：Hero区
   ======================================== */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 24px 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 1;
    max-width: 900px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 16px;
    background: rgba(16,185,129,0.2);
    backdrop-filter: blur(10px);
    padding: 10px 24px;
    border-radius: 30px;
    font-size: 15px;
    color: var(--green-stable);
    font-weight: 600;
    margin-bottom: 32px;
    border: 1px solid rgba(16,185,129,0.3);
}

.hero-title {
    font-size: 48px;
    font-weight: 800;
    color: white;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 18px;
    color: rgba(255,255,255,0.8);
    line-height: 1.8;
    margin-bottom: 48px;
}

/* 0跳码追踪动画区 */
.hero-animation {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 32px;
    align-items: center;
    margin-bottom: 48px;
}

.animation-card {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--radius);
    padding: 32px;
    text-align: center;
}

.animation-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--green-stable), var(--green-stable-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
}

.animation-card:nth-child(3) .animation-icon {
    background: linear-gradient(135deg, var(--gold-free), var(--gold-free-dark));
}

.animation-title {
    font-size: 20px;
    font-weight: 700;
    color: white;
    margin-bottom: 16px;
}

.animation-text {
    font-size: 14px;
    color: rgba(255,255,255,0.7);
    margin-bottom: 16px;
}

/* MCC追踪动画 */
.mcc-tracker {
    background: var(--navy-dark);
    border-radius: var(--radius-sm);
    padding: 16px;
    margin-top: 16px;
}

.mcc-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    font-size: 13px;
}

.mcc-item:last-child {
    border-bottom: none;
}

.mcc-label {
    color: rgba(255,255,255,0.6);
}

.mcc-value {
    font-weight: 600;
    color: white;
    transition: var(--transition);
}

.mcc-value.locked {
    color: var(--green-stable);
}

.mcc-value.locked::before {
    content: '✅ ';
}

/* 押金清零动画 */
.deposit-tracker {
    background: var(--navy-dark);
    border-radius: var(--radius-sm);
    padding: 16px;
    margin-top: 16px;
}

.deposit-amount {
    font-size: 32px;
    font-weight: 800;
    color: white;
    transition: var(--transition);
}

.deposit-amount.zero {
    color: var(--gold-free);
}

.deposit-status {
    font-size: 14px;
    color: rgba(255,255,255,0.6);
    margin-top: 8px;
}

.animation-connector {
    color: white;
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
}

.hero-cta {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-popup {
    background: rgba(16,185,129,0.2);
    border: 1px solid rgba(16,185,129,0.3);
    border-radius: var(--radius-sm);
    padding: 12px 20px;
    margin-top: 32px;
    font-size: 14px;
    color: white;
}

/* ========================================
   6. 首页专属：稳定免费说明区
   ======================================== */
.stable-free-section {
    padding: 100px 24px;
    background: var(--bg-white);
}

.stable-free-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.stable-free-card {
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--card-shadow);
    padding: 32px;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.stable-free-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--green-stable), var(--green-stable-dark));
}

.stable-free-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.stable-free-icon {
    width: 56px;
    height: 56px;
    background: var(--bg-light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-bottom: 20px;
}

.stable-free-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 12px;
}

.stable-free-text {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.8;
}

.stable-free-emphasis {
    background: var(--bg-light);
    border-left: 4px solid var(--green-stable);
    padding: 20px;
    margin-top: 48px;
    border-radius: 0 var(--radius) var(--radius) 0;
    font-size: 14px;
    color: var(--text-body);
    line-height: 1.8;
}

/* ========================================
   7. 首页专属：0跳码说明区
   ======================================== */
.zeromcc-section {
    padding: 100px 24px;
    background: var(--bg-page);
}

.zeromcc-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.zeromcc-card {
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--card-shadow);
    padding: 32px;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.zeromcc-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--green-stable), var(--green-stable-dark));
}

.zeromcc-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.zeromcc-icon {
    width: 56px;
    height: 56px;
    background: var(--bg-light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-bottom: 20px;
}

.zeromcc-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 12px;
}

.zeromcc-text {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.8;
}

.zeromcc-emphasis {
    background: var(--bg-light);
    border-left: 4px solid var(--green-stable);
    padding: 20px;
    margin-top: 48px;
    border-radius: 0 var(--radius) var(--radius) 0;
    font-size: 14px;
    color: var(--text-body);
    line-height: 1.8;
}

/* ========================================
   8. 首页专属：4G大机展示区
   ======================================== */
.products-section {
    padding: 100px 24px;
    background: var(--bg-white);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    max-width: 900px;
    margin: 0 auto;
}

.product-card {
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--card-shadow);
    padding: 32px;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--navy), var(--navy-light));
}

.product-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--green-stable), var(--green-stable-dark));
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.product-icon {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, var(--navy), var(--navy-light));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    margin-bottom: 20px;
}

.product-name {
    font-size: 22px;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 8px;
}

.product-model {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.product-tags {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.product-features {
    list-style: none;
    margin-bottom: 24px;
}

.product-features li {
    padding: 8px 0;
    font-size: 14px;
    color: var(--text-body);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 8px;
}

.product-features li:last-child {
    border-bottom: none;
}

.products-emphasis {
    background: linear-gradient(135deg, var(--navy), var(--navy-light));
    border-radius: var(--radius);
    padding: 24px;
    margin-top: 48px;
    display: flex;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
}

.products-emphasis span {
    color: white;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ========================================
   9. 首页专属：为什么选0跳码
   ======================================== */
.reasons-section {
    padding: 100px 24px;
    background: var(--bg-page);
}

.reasons-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}

.reason-card {
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--card-shadow);
    padding: 28px 20px;
    text-align: center;
    transition: var(--transition);
}

.reason-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.reason-number {
    font-size: 36px;
    font-weight: 800;
    color: var(--navy);
    margin-bottom: 12px;
    font-family: 'DM Sans', sans-serif;
}

.reason-icon {
    font-size: 32px;
    margin-bottom: 12px;
}

.reason-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 8px;
}

.reason-desc {
    font-size: 12px;
    color: var(--text-muted);
}

/* ========================================
   10. 首页专属：四品牌稳定免费对比
   ======================================== */
.compare-section {
    padding: 100px 24px;
    background: var(--bg-white);
}

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

.compare-card {
    border-radius: var(--radius);
    padding: 28px;
    text-align: center;
    transition: var(--transition);
}

.compare-card:hover {
    transform: translateY(-4px);
}

.compare-card.jialian {
    background: linear-gradient(135deg, var(--navy), var(--navy-light));
    color: white;
}

.compare-card.unionpay {
    background: linear-gradient(135deg, #C41230, #991B1B);
    color: white;
}

.compare-card.zhongfu {
    background: linear-gradient(135deg, #155E75, #0E4D5C);
    color: white;
}

.compare-card.huifu {
    background: linear-gradient(135deg, #0C4A6E, #083344);
    color: white;
}

.compare-brand {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
}

.compare-items {
    list-style: none;
    text-align: left;
    font-size: 13px;
}

.compare-items li {
    padding: 8px 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.compare-items li:last-child {
    border-bottom: none;
}

.compare-items .highlight {
    font-weight: 600;
}

.compare-items .dim {
    opacity: 0.6;
}

.compare-conclusion {
    background: var(--bg-light);
    border-left: 4px solid var(--green-stable);
    padding: 20px;
    margin-top: 48px;
    border-radius: 0 var(--radius) var(--radius) 0;
    font-size: 14px;
    color: var(--text-body);
    line-height: 1.8;
}

/* ========================================
   11. 首页专属：底部CTA申请区
   ======================================== */
.cta-section {
    padding: 100px 24px;
    background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
    text-align: center;
}

.cta-title {
    font-size: 36px;
    font-weight: 800;
    color: white;
    margin-bottom: 20px;
}

.cta-benefits {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.cta-benefit {
    color: white;
    font-size: 16px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
}

.cta-form {
    max-width: 500px;
    margin: 0 auto;
    background: var(--navy-dark);
    border-radius: var(--radius);
    padding: 32px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-sm);
    background: rgba(255,255,255,0.05);
    color: white;
    font-size: 15px;
    transition: var(--transition);
}

.form-group input::placeholder {
    color: rgba(255,255,255,0.4);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--green-stable);
}

.form-group select option {
    background: var(--navy-dark);
    color: white;
}

.cta-tip {
    font-size: 13px;
    color: rgba(255,255,255,0.6);
    margin-top: 24px;
}

/* ========================================
   12. 0跳码页专属：Hero背景
   ======================================== */
.hero-green {
    background: linear-gradient(135deg, var(--green-stable) 0%, var(--green-stable-dark) 100%);
}

.hero-green .hero-badge {
    background: rgba(255,255,255,0.2);
    color: white;
    border-color: rgba(255,255,255,0.3);
}

.hero-green .hero-title {
    color: var(--navy-dark);
}

.hero-green .hero-subtitle {
    color: rgba(15,23,42,0.7);
}

/* 0跳码页Hero */
.zeromcc-hero {
    padding: 140px 24px 80px;
    text-align: center;
}

.zeromcc-hero .hero-title {
    font-size: 56px;
    color: var(--navy-dark);
    margin-bottom: 16px;
}

.zeromcc-hero .hero-subtitle {
    font-size: 20px;
    color: rgba(15,23,42,0.7);
}

/* ========================================
   13. 免费办理页专属：Hero背景
   ======================================== */
.hero-gold {
    background: linear-gradient(135deg, var(--gold-free) 0%, var(--gold-free-dark) 100%);
}

.hero-gold .hero-badge {
    background: rgba(15,23,42,0.15);
    color: var(--navy-dark);
    border-color: rgba(15,23,42,0.2);
}

.hero-gold .hero-title {
    color: var(--navy-dark);
}

.hero-gold .hero-subtitle {
    color: rgba(15,23,42,0.7);
}

/* 免费办理页Hero */
.freeregister-hero {
    padding: 140px 24px 80px;
    text-align: center;
}

.freeregister-hero .hero-title {
    font-size: 56px;
    color: var(--navy-dark);
    margin-bottom: 16px;
}

.freeregister-hero .hero-subtitle {
    font-size: 20px;
    color: rgba(15,23,42,0.7);
}

/* ========================================
   14. 对比页专属
   ======================================== */
.compare-page-hero {
    padding: 140px 24px 80px;
    background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
    text-align: center;
}

.compare-page-hero .hero-title {
    font-size: 48px;
    color: white;
    margin-bottom: 16px;
}

.compare-page-hero .hero-subtitle {
    font-size: 20px;
    color: rgba(255,255,255,0.8);
}

.compare-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--card-shadow);
}

.compare-table th,
.compare-table td {
    padding: 16px 20px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.compare-table th {
    background: var(--navy);
    color: white;
    font-weight: 600;
    font-size: 14px;
}

.compare-table th:first-child {
    width: 140px;
}

.compare-table td:first-child {
    font-weight: 600;
    color: var(--navy);
    background: var(--bg-page);
}

.compare-table tr:last-child td {
    border-bottom: none;
}

.compare-table .highlight-cell {
    background: var(--bg-light);
    font-weight: 600;
    color: var(--green-stable);
}

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

.angle-card {
    border-radius: var(--radius);
    padding: 28px;
    text-align: center;
}

.angle-card.jialian-angle {
    background: linear-gradient(135deg, var(--navy), var(--navy-light));
    color: white;
}

.angle-card.unionpay-angle {
    background: linear-gradient(135deg, #C41230, #991B1B);
    color: white;
}

.angle-card.zhongfu-angle {
    background: linear-gradient(135deg, #155E75, #0E4D5C);
    color: white;
}

.angle-card.huifu-angle {
    background: linear-gradient(135deg, #0C4A6E, #083344);
    color: white;
}

.angle-icon {
    font-size: 40px;
    margin-bottom: 16px;
}

.angle-brand {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 12px;
}

.angle-title {
    font-size: 14px;
    opacity: 0.9;
    margin-bottom: 8px;
}

.angle-desc {
    font-size: 12px;
    opacity: 0.7;
}

/* ========================================
   15. FAQ手风琴
   ======================================== */
.faq-section {
    padding: 100px 24px;
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    border-radius: var(--radius);
    margin-bottom: 12px;
    box-shadow: var(--card-shadow);
    overflow: hidden;
}

.faq-question {
    padding: 20px 24px;
    font-weight: 600;
    color: var(--navy);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.faq-question:hover {
    background: var(--bg-page);
}

.faq-question::before {
    content: 'Q';
    width: 28px;
    height: 28px;
    background: var(--green-stable);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
    margin-right: 12px;
    flex-shrink: 0;
}

.faq-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 24px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item.active .faq-answer {
    padding: 0 24px 20px;
    max-height: 500px;
}

.faq-answer-content {
    padding-left: 40px;
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.8;
}

/* ========================================
   16. 滚动动画
   ======================================== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }
.fade-in-delay-5 { transition-delay: 0.5s; }

/* ========================================
   17. 响应式
   ======================================== */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 38px;
    }
    
    .hero-animation {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .animation-connector {
        transform: rotate(90deg);
    }
    
    .stable-free-grid,
    .zeromcc-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .reasons-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .compare-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .compare-angles-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .hero {
        padding: 100px 24px 60px;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .hero-subtitle {
        font-size: 15px;
    }
    
    .hero-badge {
        flex-wrap: wrap;
        gap: 8px;
        font-size: 13px;
    }
    
    .section-title {
        font-size: 26px;
    }
    
    .stable-free-grid,
    .zeromcc-grid,
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .reasons-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .compare-grid {
        grid-template-columns: 1fr;
    }
    
    .compare-angles-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .cta-title {
        font-size: 26px;
    }
    
    .cta-benefits {
        flex-direction: column;
        gap: 12px;
    }
    
    .products-emphasis {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
    
    .zeromcc-hero .hero-title,
    .freeregister-hero .hero-title {
        font-size: 36px;
    }
    
    .compare-table {
        font-size: 13px;
    }
    
    .compare-table th,
    .compare-table td {
        padding: 12px;
    }
}

/* ========================================
   18. 0跳码追踪动画样式（首创）
   ======================================== */
@keyframes mccPulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.8; }
}

@keyframes depositPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes checkBounce {
    0% { transform: scale(0); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

.mcc-animating .mcc-value {
    animation: mccPulse 0.5s ease-in-out;
}

.deposit-animating .deposit-amount {
    animation: depositPulse 0.5s ease-in-out;
}

.anim-success .mcc-value.locked {
    animation: checkBounce 0.5s ease-out;
}

.anim-success .deposit-amount.zero {
    animation: checkBounce 0.5s ease-out;
}

/* ========================================
   19. 页面区块通用
   ======================================== */
.page-section {
    padding: 100px 24px;
}

.page-section.alt-bg {
    background: var(--bg-page);
}

.page-header {
    text-align: center;
    margin-bottom: 60px;
}

/* ========================================
   20. 通用工具类
   ======================================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-4 { margin-top: 16px; }
.mt-8 { margin-top: 32px; }
.mb-4 { margin-bottom: 16px; }
.mb-8 { margin-bottom: 32px; }

.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-4 { gap: 16px; }
.gap-8 { gap: 32px; }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }
}