:root {
    --primary-yellow: #FFD700;
    --primary-blue: #1E40AF;
    --accent-blue: #3B82F6;
    --light-blue: #DBEAFE;
    --white: #FFFFFF;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-900: #111827;
    --success-green: #10B981;
    --warning-orange: #F59E0B;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--gray-900);
    background-color: var(--white);
}

/* 顶部导航栏 - 固定 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--primary-blue);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    z-index: 1000;
    padding: 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 40px;
    width: auto;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-menu a:hover {
    color: var(--primary-yellow);
}

.nav-cta {
    background: var(--primary-yellow);
    color: var(--gray-900);
    padding: 0.6rem 1.5rem;
    border-radius: 6px;
    font-weight: 600;
    transition: transform 0.3s, box-shadow 0.3s;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 215, 0, 0.4);
    color: var(--gray-900) !important;
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.5rem;
    cursor: pointer;
}

/* 主体内容区域 */
.main-content {
    margin-top: 70px;
}

/* 英雄区 - 出金主题 */
.hero-section {
    background: linear-gradient(135deg, var(--primary-blue) 0%, #1E3A8A 100%);
    color: var(--white);
    padding: 5rem 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.1)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-highlight {
    color: var(--primary-yellow);
    display: block;
    font-size: 3.5rem;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    backdrop-filter: blur(10px);
}

.hero-feature-icon {
    font-size: 1.5rem;
}

.hero-cta {
    display: inline-block;
    background: var(--primary-yellow);
    color: var(--gray-900);
    padding: 1rem 3rem;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 700;
    text-decoration: none;
    transition: transform 0.3s, box-shadow 0.3s;
}

.hero-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(255, 215, 0, 0.4);
}

/* 内容区域容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.section {
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 1rem;
    text-align: center;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--gray-600);
    text-align: center;
    margin-bottom: 3rem;
}

/* 出金方式选择 */
.withdrawal-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.method-card {
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s;
    cursor: pointer;
}

.method-card:hover {
    border-color: var(--primary-yellow);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
    transform: translateY(-5px);
}

.method-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.method-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--gray-900);
}

.method-time {
    display: inline-block;
    background: var(--success-green);
    color: var(--white);
    padding: 0.3rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.method-time.slow {
    background: var(--warning-orange);
}

.method-description {
    color: var(--gray-600);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* 时效说明 */
.timing-info {
    background: var(--gray-50);
    border-radius: 12px;
    padding: 3rem 2rem;
    margin-top: 2rem;
}

.timing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.timing-card {
    text-align: center;
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.timing-badge {
    display: inline-block;
    padding: 0.5rem 1.2rem;
    border-radius: 25px;
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.timing-badge.instant {
    background: var(--success-green);
    color: var(--white);
}

.timing-badge.hours {
    background: var(--accent-blue);
    color: var(--white);
}

.timing-badge.days {
    background: var(--warning-orange);
    color: var(--white);
}

.timing-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.timing-description {
    color: var(--gray-600);
    font-size: 0.95rem;
}

/* 出金流程 */
.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
    position: relative;
}

.process-step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--primary-yellow);
    color: var(--gray-900);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1rem;
    box-shadow: 0 4px 10px rgba(255, 215, 0, 0.3);
}

.step-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--gray-900);
}

.step-description {
    color: var(--gray-600);
    font-size: 0.9rem;
}

/* 安全验证提示 */
.security-notice {
    background: linear-gradient(135deg, #DBEAFE 0%, #BFDBFE 100%);
    border-left: 4px solid var(--accent-blue);
    padding: 2rem;
    border-radius: 10px;
    margin: 2rem 0;
}

.security-notice-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.security-notice-content {
    color: var(--gray-700);
    line-height: 1.8;
}

/* 费用与限额说明 */
.fees-limits {
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: 12px;
    overflow: hidden;
}

.fees-header {
    background: var(--primary-blue);
    color: var(--white);
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.fees-title {
    font-size: 1.5rem;
    font-weight: 700;
}

.zero-fee-badge {
    background: var(--primary-yellow);
    color: var(--gray-900);
    padding: 0.5rem 1.5rem;
    border-radius: 25px;
    font-weight: 700;
    font-size: 1.1rem;
}

.fees-content {
    padding: 2rem;
}

.fees-table {
    width: 100%;
    border-collapse: collapse;
}

.fees-table th,
.fees-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

.fees-table th {
    background: var(--gray-50);
    font-weight: 600;
    color: var(--gray-900);
}

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

/* 常见问题 FAQ */
.faq-section {
    background: var(--gray-50);
    padding: 4rem 2rem;
}

.faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    border-radius: 10px;
    margin-bottom: 1rem;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.faq-question {
    padding: 1.5rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--gray-900);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.3s;
}

.faq-question:hover {
    background: var(--gray-50);
}

.faq-icon {
    font-size: 1.3rem;
    color: var(--accent-blue);
    transition: transform 0.3s;
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.faq-answer-content {
    padding: 0 2rem 1.5rem;
    color: var(--gray-600);
    line-height: 1.8;
}

.faq-item.active .faq-answer {
    max-height: 1000px;
}

/* 文章列表区 */
.articles-section {
    background: var(--white);
    padding: 4rem 2rem;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.article-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 10px;
    overflow: hidden;
    transition: all 0.3s;
}

.article-card:hover {
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
    transform: translateY(-5px);
}

.article-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.article-content {
    padding: 1.5rem;
}

.article-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.article-date {
    color: var(--gray-600);
    font-size: 0.85rem;
}

.article-link {
    text-decoration: none;
    color: inherit;
}

/* 客服入口 - 固定 */
.live-chat-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--primary-yellow);
    color: var(--gray-900);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.4);
    cursor: pointer;
    transition: all 0.3s;
    z-index: 999;
    text-decoration: none;
}

.live-chat-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(255, 215, 0, 0.6);
}

/* Footer */
.footer {
    background: var(--gray-900);
    color: var(--white);
    padding: 3rem 2rem 1.5rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    color: var(--primary-yellow);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

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

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: var(--gray-300);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: var(--primary-yellow);
}

.footer-bottom {
    border-top: 1px solid var(--gray-700);
    padding-top: 1.5rem;
    text-align: center;
}

.footer-bottom a {
    color: var(--gray-300);
    text-decoration: none;
}

/* 活动提醒框 */
.activity-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 9999;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s;
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.activity-content {
    background: var(--white);
    border-radius: 15px;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: slideUp 0.4s;
}

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.activity-close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--gray-900);
    color: var(--white);
    width: 35px;
    height: 35px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.5rem;
    z-index: 1;
    transition: background 0.3s;
}

.activity-close:hover {
    background: var(--primary-blue);
}

.activity-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 15px 15px 0 0;
    cursor: pointer;
}

.activity-text {
    padding: 2rem;
}

.activity-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 1rem;
}

.activity-description {
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.activity-cta {
    display: inline-block;
    background: var(--primary-yellow);
    color: var(--gray-900);
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s;
}

.activity-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(255, 215, 0, 0.4);
}

/* 列表页样式 */
.list-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.page-header {
    text-align: center;
    margin-bottom: 3rem;
}

.page-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.article-list {
    list-style: none;
}

.article-list-item {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s;
}

.article-list-item:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    border-color: var(--primary-yellow);
}

.article-list-item a {
    text-decoration: none;
    color: var(--gray-900);
    font-weight: 500;
    flex: 1;
}

.article-list-item a:hover {
    color: var(--primary-blue);
}

.article-list-date {
    color: var(--gray-600);
    font-size: 0.9rem;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    list-style: none;
    margin-top: 3rem;
}

.pagination li {
    margin: 0;
}

.pagination a {
    display: block;
    padding: 0.6rem 1rem;
    background: var(--white);
    border: 1px solid var(--gray-300);
    border-radius: 6px;
    color: var(--gray-700);
    text-decoration: none;
    transition: all 0.3s;
}

.pagination a:hover {
    background: var(--primary-yellow);
    border-color: var(--primary-yellow);
    color: var(--gray-900);
}

.pagination .active a {
    background: var(--primary-blue);
    border-color: var(--primary-blue);
    color: var(--white);
}

/* 文章详情页样式 */
.article-detail {
    max-width: 900px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.article-header {
    margin-bottom: 2rem;
    border-bottom: 2px solid var(--gray-200);
    padding-bottom: 1.5rem;
}

.article-detail h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 1rem;
    line-height: 1.3;
}

.article-meta {
    display: flex;
    gap: 1rem;
    color: var(--gray-600);
    font-size: 0.95rem;
}

.article-body {
    line-height: 1.9;
    color: var(--gray-700);
    font-size: 1.05rem;
}

.article-body p {
    margin-bottom: 1.5rem;
}

.article-body h2 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--gray-900);
    margin: 2rem 0 1rem;
}

.article-body h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--gray-900);
    margin: 1.5rem 0 0.8rem;
}

.article-body ul,
.article-body ol {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

.article-body li {
    margin-bottom: 0.5rem;
}

.related-articles {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 2px solid var(--gray-200);
}

.related-articles h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--gray-900);
}

.attention {
    list-style: none;
}

.attention li {
    margin-bottom: 0.8rem;
}

.attention a {
    color: var(--accent-blue);
    text-decoration: none;
    transition: color 0.3s;
}

.attention a:hover {
    color: var(--primary-blue);
    text-decoration: underline;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--primary-blue);
        flex-direction: column;
        padding: 2rem;
        transition: left 0.3s;
        gap: 1rem;
    }

    .nav-menu.active {
        left: 0;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-highlight {
        font-size: 2.3rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

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

    .section-title {
        font-size: 1.8rem;
    }

    .withdrawal-methods {
        grid-template-columns: 1fr;
    }

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

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

    .fees-header {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .fees-table {
        font-size: 0.9rem;
    }

    .fees-table th,
    .fees-table td {
        padding: 0.8rem 0.5rem;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .live-chat-btn {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
        bottom: 20px;
        right: 20px;
    }

    .article-detail h1 {
        font-size: 2rem;
    }

    .page-title {
        font-size: 2rem;
    }

    .article-list-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
}