/* Binance App 官网样式 - 币圈金融风格 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: linear-gradient(135deg, #0a0e1a 0%, #1a1f2e 50%, #0f1419 100%);
    color: #ffffff;
    line-height: 1.6;
    min-height: 100vh;
}

/* 头部导航 */
.header {
    background: rgba(10, 14, 26, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(240, 185, 11, 0.3);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    padding: 15px 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: #f0b90b;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    width: 35px;
    height: 35px;
    background: linear-gradient(135deg, #f0b90b 0%, #f8d56b 100%);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #0a0e1a;
    font-weight: bold;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu a {
    color: #ffffff;
    text-decoration: none;
    font-size: 15px;
    transition: color 0.3s;
    position: relative;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: #f0b90b;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #f0b90b;
    transition: width 0.3s;
}

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

/* CTA 按钮 */
.cta-buttons {
    display: flex;
    gap: 15px;
}

.btn {
    padding: 12px 24px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, #f0b90b 0%, #f8d56b 100%);
    color: #0a0e1a;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(240, 185, 11, 0.4);
}

.btn-secondary {
    background: transparent;
    color: #f0b90b;
    border: 2px solid #f0b90b;
}

.btn-secondary:hover {
    background: #f0b90b;
    color: #0a0e1a;
}

.btn-large {
    padding: 16px 32px;
    font-size: 16px;
}

/* 面包屑导航 */
.breadcrumb {
    background: rgba(26, 31, 46, 0.8);
    padding: 15px 0;
    margin-top: 70px;
    border-bottom: 1px solid rgba(240, 185, 11, 0.1);
}

.breadcrumb-content {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: #8f9bb3;
}

.breadcrumb a {
    color: #f0b90b;
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.breadcrumb-separator {
    color: #5a6270;
}

.breadcrumb-current {
    color: #ffffff;
}

/* 主要内容区域 */
.main-content {
    padding: 40px 0;
    min-height: calc(100vh - 300px);
}

/* 英雄区域 */
.hero {
    background: linear-gradient(135deg, rgba(240, 185, 11, 0.1) 0%, rgba(10, 14, 26, 0.8) 100%);
    padding: 120px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(240, 185, 11, 0.05) 0%, transparent 70%);
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #ffffff 0%, #f0b90b 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 20px;
    color: #8f9bb3;
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-top: 40px;
}

/* 特色区域 */
.features {
    padding: 80px 0;
    background: rgba(15, 20, 25, 0.5);
}

.section-title {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    color: #f0b90b;
}

.section-subtitle {
    text-align: center;
    color: #8f9bb3;
    margin-bottom: 50px;
    font-size: 16px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: linear-gradient(135deg, rgba(26, 31, 46, 0.8) 0%, rgba(15, 20, 25, 0.9) 100%);
    border: 1px solid rgba(240, 185, 11, 0.2);
    border-radius: 12px;
    padding: 30px;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, #f0b90b 0%, #f8d56b 100%);
    transform: scaleX(0);
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: rgba(240, 185, 11, 0.5);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(240, 185, 11, 0.2) 0%, rgba(240, 185, 11, 0.05) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 28px;
    color: #f0b90b;
    border: 1px solid rgba(240, 185, 11, 0.3);
}

.feature-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #ffffff;
}

.feature-card p {
    color: #8f9bb3;
    line-height: 1.8;
}

/* 统计数据 */
.stats {
    padding: 60px 0;
    background: linear-gradient(135deg, rgba(240, 185, 11, 0.05) 0%, transparent 100%);
    border-top: 1px solid rgba(240, 185, 11, 0.1);
    border-bottom: 1px solid rgba(240, 185, 11, 0.1);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    text-align: center;
}

.stat-item h4 {
    font-size: 36px;
    color: #f0b90b;
    margin-bottom: 10px;
}

.stat-item p {
    color: #8f9bb3;
    font-size: 14px;
}

/* 新闻区域 */
.news-section {
    padding: 80px 0;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.news-card {
    background: linear-gradient(135deg, rgba(26, 31, 46, 0.8) 0%, rgba(15, 20, 25, 0.9) 100%);
    border: 1px solid rgba(240, 185, 11, 0.2);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s;
}

.news-card:hover {
    transform: translateY(-5px);
    border-color: rgba(240, 185, 11, 0.4);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
}

.news-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, rgba(240, 185, 11, 0.3) 0%, rgba(26, 31, 46, 0.8) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    color: rgba(240, 185, 11, 0.5);
}

.news-content {
    padding: 25px;
}

.news-meta {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
    font-size: 13px;
    color: #5a6270;
}

.news-category {
    color: #f0b90b;
    background: rgba(240, 185, 11, 0.1);
    padding: 3px 10px;
    border-radius: 4px;
}

.news-card h3 {
    font-size: 18px;
    margin-bottom: 12px;
    color: #ffffff;
    line-height: 1.4;
}

.news-card p {
    color: #8f9bb3;
    font-size: 14px;
    line-height: 1.7;
}

.read-more {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: #f0b90b;
    text-decoration: none;
    margin-top: 15px;
    font-size: 14px;
    font-weight: 500;
    transition: gap 0.3s;
}

.read-more:hover {
    gap: 10px;
}

/* 内容页面样式 */
.content-page {
    padding: 60px 0;
}

.content-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

.content-wrapper h2 {
    font-size: 32px;
    color: #f0b90b;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 2px solid rgba(240, 185, 11, 0.3);
}

.content-wrapper h3 {
    font-size: 24px;
    color: #ffffff;
    margin: 40px 0 20px;
}

.content-wrapper p {
    color: #b0b8c8;
    margin-bottom: 20px;
    line-height: 1.9;
    font-size: 16px;
}

.content-wrapper ul,
.content-wrapper ol {
    margin: 20px 0;
    padding-left: 30px;
    color: #b0b8c8;
}

.content-wrapper li {
    margin-bottom: 12px;
    line-height: 1.8;
}

.highlight-box {
    background: linear-gradient(135deg, rgba(240, 185, 11, 0.1) 0%, rgba(240, 185, 11, 0.05) 100%);
    border-left: 4px solid #f0b90b;
    padding: 25px;
    margin: 30px 0;
    border-radius: 0 8px 8px 0;
}

.highlight-box h4 {
    color: #f0b90b;
    margin-bottom: 15px;
    font-size: 18px;
}

/* 产品页面 */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.product-item {
    background: rgba(26, 31, 46, 0.6);
    border: 1px solid rgba(240, 185, 11, 0.2);
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s;
}

.product-item:hover {
    border-color: #f0b90b;
    background: rgba(26, 31, 46, 0.9);
}

.product-item h4 {
    color: #f0b90b;
    font-size: 20px;
    margin-bottom: 15px;
}

.product-item p {
    color: #8f9bb3;
    font-size: 14px;
    line-height: 1.7;
}

/* CTA 区域 */
.cta-section {
    background: linear-gradient(135deg, rgba(240, 185, 11, 0.15) 0%, rgba(10, 14, 26, 0.9) 100%);
    padding: 80px 0;
    text-align: center;
    border-top: 1px solid rgba(240, 185, 11, 0.2);
    border-bottom: 1px solid rgba(240, 185, 11, 0.2);
}

.cta-section h2 {
    font-size: 36px;
    margin-bottom: 20px;
    color: #ffffff;
}

.cta-section p {
    color: #8f9bb3;
    font-size: 18px;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* 页脚 */
.footer {
    background: #0a0e1a;
    border-top: 1px solid rgba(240, 185, 11, 0.2);
    padding: 60px 0 30px;
}

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

.footer-brand p {
    color: #8f9bb3;
    margin-top: 20px;
    line-height: 1.8;
}

.footer-column h4 {
    color: #f0b90b;
    margin-bottom: 20px;
    font-size: 16px;
}

.footer-column ul {
    list-style: none;
}

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

.footer-column a {
    color: #8f9bb3;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-column a:hover {
    color: #f0b90b;
}

.footer-bottom {
    border-top: 1px solid rgba(240, 185, 11, 0.1);
    padding-top: 30px;
    text-align: center;
    color: #5a6270;
    font-size: 14px;
}

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

    .hero h1 {
        font-size: 32px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

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

    .features-grid,
    .news-grid {
        grid-template-columns: 1fr;
    }
}

/* 浮动 CTA */
.float-cta {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 999;
}

.float-cta .btn {
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    padding: 14px 20px;
    font-size: 13px;
}

/* 表格样式 */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 30px 0;
    background: rgba(26, 31, 46, 0.5);
    border-radius: 8px;
    overflow: hidden;
}

th,
td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid rgba(240, 185, 11, 0.2);
}

th {
    background: rgba(240, 185, 11, 0.1);
    color: #f0b90b;
    font-weight: 600;
}

td {
    color: #b0b8c8;
}

tr:hover {
    background: rgba(240, 185, 11, 0.05);
}

/* 标签 */
.tag {
    display: inline-block;
    background: rgba(240, 185, 11, 0.15);
    color: #f0b90b;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 12px;
    margin-right: 8px;
    margin-bottom: 8px;
}