/* 全局变量 */
:root {
    --primary-color: #0b80cf;
    --secondary-color: #005bac;
    --text-color: #333;
    --light-gray: #f5f5f5;
    --border-color: #e0e0e0;
    --white: #fff;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --container-width: 1200px;
}

/* 基础样式 */
* {
    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(--text-color);
    background-color: var(--light-gray);
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 15px;
}

/* 头部样式 */
.header {
    background: var(--white);
    box-shadow: var(--shadow);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--text-color);
}

.logo-image {
    height: 40px;
    margin-right: 10px;
}

.logo-text {
    font-size: 1.2rem;
    font-weight: 600;
}

/* 主要内容区域 */
main {
    padding: 20px 0;
}

h1 {
    font-size: 2rem;
    color: var(--text-color);
    margin-bottom: 1.5rem;
    text-align: center;
}

/* 标题样式 */
h2 {
    font-size: 1.4em;
    color: #495057;
    margin: 20px 0 15px;
    font-weight: normal;
    position: relative;
    padding-left: 12px;
}

h2::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 1em;
    background: #6c757d;
    border-radius: 2px;
}

/* 标签页样式 */
.nav-tabs {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 12px;
    padding: 15px;
    box-shadow: var(--shadow);
}

.nav-tab {
    text-decoration: none;
    color: var(--white);
    padding: 12px 20px;
    border-radius: 8px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.1);
}

.nav-tab i {
    font-size: 1.2em;
}

.nav-tab:hover {
    background: rgba(255, 255, 255, 0.2);
}

.nav-tab.active {
    background: var(--white);
    color: var(--primary-color);
    font-weight: 500;
}

/* 表单样式 */
.query-form {
    background: var(--white);
    padding: 25px;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.query-form div {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

input, select {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
}

input:focus, select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(11, 128, 207, 0.1);
}

.submit-button {
    background: var(--primary-color);
    color: var(--white);
    border: none;
    padding: 12px 24px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    width: 100%;
    transition: background-color 0.3s ease;
}

.submit-button:hover {
    background: var(--secondary-color);
}

/* 验证码容器 */
.captcha-container {
    display: flex;
    gap: 10px;
    align-items: center;
}

.captcha-input {
    flex: 1;
    min-width: 120px;
}

.captcha-display-container {
    background: linear-gradient(135deg, #f6f7f9 0%, #e9ecef 100%);
    padding: 12px 20px;
    border-radius: 6px;
    cursor: pointer;
    min-width: 100px;
    text-align: center;
    font-family: 'Courier New', monospace;
    font-size: 1.3rem;
    font-weight: 600;
    letter-spacing: 3px;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.05);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.05);
}

.captcha-display-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        repeating-linear-gradient(45deg, 
            transparent,
            transparent 2px,
            rgba(0, 0, 0, 0.03) 2px,
            rgba(0, 0, 0, 0.03) 4px
        ),
        repeating-linear-gradient(-45deg,
            transparent,
            transparent 2px,
            rgba(0, 0, 0, 0.03) 2px,
            rgba(0, 0, 0, 0.03) 4px
        );
    opacity: 0.4;
    pointer-events: none;
}

.captcha-display-container::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 20%, rgba(255,255,255,0.2) 0%, transparent 10%),
        radial-gradient(circle at 70% 60%, rgba(255,255,255,0.2) 0%, transparent 10%),
        radial-gradient(circle at 90% 30%, rgba(255,255,255,0.2) 0%, transparent 10%),
        radial-gradient(circle at 10% 80%, rgba(255,255,255,0.2) 0%, transparent 10%);
    pointer-events: none;
}

#captcha-display, #recycle-captcha-display {
    position: relative;
    z-index: 1;
    color: var(--primary-color);
    text-shadow: 1px 1px 0 rgba(255,255,255,0.8);
    transform: skew(-5deg);
    display: inline-block;
    user-select: none;
    mix-blend-mode: multiply;
}

.refresh-captcha-link {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.9rem;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 4px;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.refresh-captcha-link:hover {
    opacity: 1;
}

.refresh-captcha-link::before {
    content: '\f2f1';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 0.9em;
}

@media (max-width: 768px) {
    .captcha-display-container {
        padding: 10px 15px;
        font-size: 1.2rem;
        letter-spacing: 2px;
    }
}

@media (max-width: 480px) {
    .captcha-display-container {
        padding: 8px 12px;
        font-size: 1.1rem;
        min-width: 90px;
    }
}

/* 提示文字样式 */
.query-notice,
.form-notice,
.payment-notice {
    margin: 15px 0;
    font-size: 0.9em;
    color: #666;
    line-height: 1.5;
    padding: 8px 12px;
    background: #f8f9fa;
    border-radius: 4px;
    border-left: 3px solid #6c757d;
}

.query-notice i,
.form-notice i,
.payment-notice i {
    color: #6c757d;
    margin-right: 6px;
}

.query-notice strong,
.form-notice strong,
.payment-notice strong {
    font-weight: normal;
    color: #495057;
}

/* 表单提示样式 */
.form-notice {
    border-left-color: #ffc107;
    background: #fff3cd;
    color: #856404;
}

.form-notice i {
    color: #ffc107;
}

/* 支付提示样式 */
.payment-notice {
    border-left-color: #0dcaf0;
    background: #e3f2fd;
    color: #0d47a1;
}

.payment-notice i {
    color: #0dcaf0;
}

/* 折扣卡片样式 */
.discount-card {
    background: #f8f9fa;
    border-radius: 6px;
    padding: 12px;
    margin: 10px 0;
    border: 1px solid #e9ecef;
}

.discount-card-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
    color: #495057;
    font-size: 0.95em;
}

.discount-card-header i {
    color: #6c757d;
}

.discount-card-content {
    display: flex;
    justify-content: space-between;
    gap: 15px;
}

.discount-rate, .discount-amount {
    flex: 1;
    background: white;
    padding: 10px;
    border-radius: 4px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.discount-label {
    display: block;
    font-size: 0.85em;
    color: #6c757d;
    margin-bottom: 4px;
}

.discount-value {
    font-size: 1.1em;
    color: #495057;
}

.currency {
    font-size: 0.9em;
    color: #6c757d;
    margin-left: 2px;
}

@media (max-width: 480px) {
    .discount-card-content {
        flex-direction: column;
    }
    
    .discount-rate, .discount-amount {
        width: 100%;
    }
}

/* 内容区块 */
.content-section {
    margin-bottom: 40px;
}

.info-section {
    background: var(--white);
    padding: 25px;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.info-section h2 {
    color: var(--text-color);
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.info-section h3 {
    color: var(--text-color);
    margin: 15px 0;
    font-size: 1.2rem;
}

.info-section ul, .info-section ol {
    padding-left: 20px;
    margin-bottom: 15px;
}

.info-section li {
    margin-bottom: 8px;
}

/* 页脚样式 */
.footer {
    background: var(--white);
    padding: 20px 0;
    margin-top: 40px;
    border-top: 1px solid var(--border-color);
}

.footer-links {
    text-align: center;
    margin-bottom: 15px;
}

.footer-links a {
    color: var(--text-color);
    text-decoration: none;
    margin: 0 10px;
    transition: opacity 0.3s ease;
}

.footer-links a:hover {
    opacity: 0.7;
}

.copyright {
    text-align: center;
    color: #666;
    font-size: 0.9rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: 0 10px;
    }

    h1 {
        font-size: 1.5rem;
    }

    .query-form {
        padding: 15px;
    }

    .nav-tabs {
        gap: 10px;
    }

    .nav-tab {
        padding: 8px 15px;
        font-size: 0.9rem;
    }

    .captcha-container {
        flex-direction: row;
        align-items: center;
        flex-wrap: nowrap;
        gap: 8px;
    }

    .captcha-input {
        flex: 1;
        min-width: 100px;
    }

    .captcha-display-container {
        min-width: 80px;
        padding: 8px;
        font-size: 1rem;
    }

    .refresh-captcha-link {
        font-size: 0.8rem;
    }

    h2 {
        font-size: 1.3em;
        margin: 15px 0 12px;
    }
}

@media (max-width: 480px) {
    .captcha-display-container {
        padding: 8px 12px;
        font-size: 1.1rem;
        min-width: 90px;
    }

    h2 {
        font-size: 1.2em;
        margin: 12px 0 10px;
    }
}

/* 动画效果 */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.tab-content {
    display: none;
    animation: fadeIn 0.3s ease;
}

.tab-content.active {
    display: block;
}

.card-header {
    text-align: center;
    margin-bottom: 30px;
}

.card-header-image {
    max-width: 300px;
    height: auto;
    border-radius: 8px;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
}

.card-header-image:hover {
    transform: scale(1.02);
}

@media (max-width: 768px) {
    .card-header-image {
        max-width: 200px;
    }
}

.breadcrumb {
    margin-bottom: 20px;
    font-size: 1.1rem;
    color: #666;
    display: flex;
    align-items: center;
    gap: 15px;
}

.breadcrumb-image {
    width: 40px;
    height: 40px;
    object-fit: contain;
    border-radius: 4px;
    box-shadow: var(--shadow);
}

.breadcrumb a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
    font-weight: 500;
}

.breadcrumb a:hover {
    color: var(--secondary-color);
}

.breadcrumb .separator {
    margin: 0 8px;
    color: #999;
}

.breadcrumb .current {
    color: #666;
    font-weight: 500;
}

@media (max-width: 768px) {
    .breadcrumb {
        font-size: 1rem;
        margin-bottom: 15px;
        gap: 10px;
    }

    .breadcrumb-image {
        width: 30px;
        height: 30px;
    }
}

/* 支付方式按钮组 */
.payment-methods {
    display: flex;
    gap: 10px;
    margin-top: 8px;
    justify-content: flex-start;
    width: 100%;
}

.payment-method-btn {
    width: 300px;
    height: 80px;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    padding: 0 20px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--white);
    cursor: pointer;
    transition: all 0.3s ease;
}

.payment-method-btn i {
    font-size: 2rem;
    margin-right: 12px;
}

.payment-method-btn span {
    font-size: 1.1rem;
    color: var(--text-color);
}

.payment-method-btn:hover {
    border-color: var(--primary-color);
    background: rgba(11, 128, 207, 0.05);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.payment-method-btn.active {
    border-color: var(--primary-color);
    background: rgba(11, 128, 207, 0.1);
}

.payment-method-btn[data-method="alipay"] i {
    color: #1677ff;
}

.payment-method-btn[data-method="wechat"] i {
    color: #07c160;
}

@media (max-width: 768px) {
    .payment-methods {
        gap: 8px;
    }
    
    .payment-method-btn {
        width: calc(50% - 4px);
        height: 70px;
        padding: 0 15px;
    }

    .payment-method-btn i {
        font-size: 1.8rem;
        margin-right: 10px;
    }

    .payment-method-btn span {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .payment-methods {
        gap: 6px;
    }
    
    .payment-method-btn {
        width: calc(50% - 3px);
        height: 60px;
        padding: 0 12px;
    }
    
    .payment-method-btn i {
        font-size: 1.5rem;
        margin-right: 8px;
    }
    
    .payment-method-btn span {
        font-size: 0.9rem;
    }
}