:root {
    --primary-color: #1a5f7a;
    --secondary-color: #e8f1f5;
    --accent-color: #ff6b6b;
    --text-color: #2c3e50;
    --border-radius: 12px;
}

body {
    background-color: var(--secondary-color);
    color: var(--text-color);
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
}

.side-banner {
    position: fixed;
    top: 0;
    left: 0;
    width: 8px;
    height: 100%;
    background: linear-gradient(to bottom, var(--primary-color), var(--accent-color));
    z-index: 1000;
}

.header {
    background-color: white;
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
}

.logo {
    height: 50px;
    margin-left: 2rem;
}

.site-title {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin: 0;
    font-weight: 600;
}

.main-content {
    flex: 1;
    padding: 2rem 0;
}

.info-section {
    background: white;
    border-radius: var(--border-radius);
    padding: 2rem;
    height: 100%;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.section-title {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.info-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--secondary-color);
    border-radius: var(--border-radius);
    transition: transform 0.3s ease;
}

.info-item:hover {
    transform: translateY(-5px);
}

.info-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.recharge-card {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.card-header-custom {
    background: var(--primary-color);
    color: white;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.2rem;
}

.recharge-form {
    padding: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.form-control {
    border: 2px solid #e1e8ed;
    border-radius: 8px;
    padding: 0.8rem 1rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(26, 95, 122, 0.25);
}

.amount-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-top: 0.5rem;
}

.amount-btn {
    background: var(--secondary-color);
    border: none;
    padding: 1rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-check:checked + .amount-btn {
    background: var(--primary-color);
    color: white;
}

.verification-group {
    display: flex;
    gap: 1rem;
}

.btn-outline {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    background: transparent;
    transition: all 0.3s ease;
    white-space: nowrap;
}

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

.btn-submit {
    background: var(--primary-color);
    color: white;
    width: 100%;
    padding: 1rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.btn-submit:hover {
    background: #134b61;
    transform: translateY(-2px);
}

.footer {
    background: white;
    padding: 1.5rem 0;
    margin-top: 2rem;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.05);
}

.footer-link {
    color: var(--text-color);
    text-decoration: none;
    margin-left: 1.5rem;
    transition: color 0.3s ease;
}

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

/* 加载动画 */
.loading {
    position: relative;
    opacity: 0.8;
    pointer-events: none;
}

.loading::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--primary-color);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* 添加新的通知样式 */
.card-notice {
    background: #fff5e6;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin-top: 2rem;
}

.notice-title {
    color: #e67e22;
    font-size: 1.2rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.notice-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.notice-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
    color: #666;
}

.notice-list li::before {
    content: "•";
    color: #e67e22;
    position: absolute;
    left: 0.5rem;
}

/* 密码输入组样式 */
.password-group {
    position: relative;
    display: flex;
    gap: 0.5rem;
}

.password-toggle {
    padding: 0.8rem;
    border-radius: 8px;
}

.password-toggle i {
    font-size: 1.2rem;
}

/* 验证码组样式 */
.verification-group {
    display: flex;
    gap: 0.5rem;
    align-items: stretch;
}

.captcha-img {
    height: 42px;
    border-radius: 8px;
    border: 1px solid #e1e8ed;
    cursor: pointer;
}

.refresh-captcha {
    padding: 0.8rem;
    border-radius: 8px;
}

.refresh-captcha i {
    font-size: 1.2rem;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .logo {
        height: 40px;
        margin-left: 1rem;
    }

    .site-title {
        font-size: 1.2rem;
    }

    .main-content {
        padding: 1rem 0;
    }

    .info-section {
        padding: 1.5rem;
    }

    .amount-options {
        grid-template-columns: 1fr;
    }

    .verification-group {
        flex-wrap: wrap;
    }

    .captcha-img {
        flex: 1;
        height: 38px;
    }

    .refresh-captcha {
        padding: 0.6rem;
    }

    .footer {
        text-align: center;
    }

    .footer-link {
        display: block;
        margin: 0.5rem 0;
    }
}

/* 服务卡片样式 */
.service-section {
    margin-top: 2.5rem;
}

.service-card {
    background: var(--light-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    height: 100%;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    text-align: center;
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-color), #aa0000);
    z-index: -1;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: rgba(230, 33, 41, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.service-icon i {
    font-size: 2rem;
    color: var(--primary-color);
}

.service-card h4 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--text-color);
    font-weight: 600;
}

.service-card p {
    color: #666;
    margin-bottom: 0;
    font-size: 0.95rem;
    line-height: 1.6;
}

/* 页脚样式增强 */
.footer-brand {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.footer-logo {
    height: 40px;
    opacity: 0.9;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 1.5rem;
}

.social-links {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    margin-top: 1rem;
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #f8f9fa;
    font-size: 1.2rem;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-3px);
}

/* Logo链接样式 */
.logo-link {
    display: block;
    transition: var(--transition);
}

.logo-link:hover {
    transform: scale(1.05);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .service-card {
        margin-bottom: 1rem;
    }
    
    .footer-brand {
        align-items: center;
        margin-bottom: 1.5rem;
    }
    
    .footer-links, .social-links {
        justify-content: center;
    }
    
    .social-links {
        margin-top: 1.5rem;
    }
}

/* 添加动画效果 */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.recharge-card, .info-section {
    animation: fadeIn 0.8s ease-out forwards;
}

.info-item:nth-child(1) { animation-delay: 0.1s; }
.info-item:nth-child(2) { animation-delay: 0.2s; }
.info-item:nth-child(3) { animation-delay: 0.3s; }
.info-item:nth-child(4) { animation-delay: 0.4s; }

/* 增强表单验证样式 */
.invalid-feedback {
    font-size: 0.85rem;
    color: #dc3545;
    margin-top: 0.5rem;
    display: block;
}

.form-control:focus {
    box-shadow: 0 0 0 0.25rem rgba(230, 33, 41, 0.15);
}

/* 增强Toast样式 */
.toast {
    border: none;
}

.toast-body {
    font-weight: 500;
}

/* 页面背景增强 */
body::before {
    content: '';
    position: fixed;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background-image: url('https://www.sinopec.com/images/common/pattern-light.png');
    background-size: 300px;
    opacity: 0.05;
    z-index: -1;
}