:root {
    --primary-color: #3861fb;
    --secondary-color: #627eea;
    --success-color: #16c784;
    --danger-color: #ea3943;
    --background-color: #f8f9fa;
    --card-background: #ffffff;
    --text-color: #333333;
    --border-color: #e0e0e0;
    --hover-color: #f5f5f5;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

body {
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
}

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

/* 语言切换器 */
.language-switcher {
    position: absolute;
    top: 20px;
    right: 20px;
}

#language-select {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--card-background);
    cursor: pointer;
}

/* 头部样式 */
header {
    text-align: center;
    margin-bottom: 30px;
}

header h1 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

header p {
    font-size: 1.1rem;
    color: #666;
}

/* 计算器容器 */
.calculator-container {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 40px;
}

.input-section, .results-section {
    background-color: var(--card-background);
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.input-section {
    flex: 1;
    min-width: 300px;
}

.results-section {
    flex: 1;
    min-width: 300px;
}

/* 表单元素 */
.form-group {
    margin-bottom: 20px;
}

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

.form-control {
    width: 100%;
    padding: 10px 15px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 16px;
}

.form-control:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(56, 97, 251, 0.2);
}

.tab-btn {
    padding: 10px 20px;
    background-color: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-color);
    transition: all 0.3s ease;
}
.tab-btn.active {
    border-bottom: 2px solid var(--primary-color);
    color: var(--primary-color);
}
tab-btn {
    width: 100%;
}

/* 方向切换按钮 */
.direction-toggle {
    display: flex;
    margin-bottom: 20px;
    border-radius: 4px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.direction-btn {
    flex: 1;
    padding: 10px;
    text-align: center;
    background-color: var(--card-background);
    border: none;
    cursor: pointer;
    transition: background-color 0.2s;
}

.direction-btn.active {
    background-color: var(--primary-color);
    color: white;
}

/* 杠杆滑块 */
.leverage-slider-container {
    display: flex;
    align-items: center;
    gap: 10px;
}

.leverage-slider {
    flex: 1;
    height: 6px;
    background: #ddd;
    outline: none;
    border-radius: 3px;
    -webkit-appearance: none;
}

.leverage-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
}

.leverage-input {
    width: 60px;
    text-align: center;
}

/* 计算按钮 */
.btn-primary {
    display: block;
    width: 100%;
    padding: 12px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s;
}

.btn-primary:hover {
    background-color: #2d4fd7;
}

/* 结果区域 */
.results-section h3 {
    margin-bottom: 20px;
    color: var(--primary-color);
}

.result-item {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

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

.result-label {
    font-weight: 500;
}

.result-value {
    font-weight: 600;
}

/* 加密货币选择器 */
.crypto-selector {
    position: relative;
}

.selected-crypto {
    display: flex;
    align-items: center;
    padding: 10px 15px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
}

.selected-crypto img {
    width: 24px;
    height: 24px;
    margin-right: 10px;
}

.arrow-down {
    margin-left: auto;
    font-size: 12px;
}

.crypto-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    max-height: 300px;
    overflow-y: auto;
    z-index: 10;
    display: none;
}

.crypto-option {
    display: flex;
    align-items: center;
    padding: 10px 15px;
    cursor: pointer;
}

.crypto-option:hover {
    background-color: var(--hover-color);
}

.crypto-option img {
    width: 24px;
    height: 24px;
    margin-right: 10px;
}

/* 解释部分 */
.explanation-section {
    background-color: var(--card-background);
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 40px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.explanation-section h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
}

.explanation-item {
    margin-bottom: 20px;
}

.explanation-item h4 {
    margin-bottom: 10px;
    color: #555;
}

.explanation-item p {
    margin-bottom: 10px;
}

.explanation-item ul {
    padding-left: 20px;
    margin-bottom: 10px;
}

/* 页脚 */
footer {
    text-align: center;
    padding: 20px 0;
    color: #777;
    font-size: 14px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .calculator-container {
        flex-direction: column;
    }
}

/* 合约面值选项样式 */
.contract-value-options {
    margin-top: 10px;
}

.radio-group {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 10px;
}

.radio-group input[type="radio"] {
    display: none;
}

.radio-group label {
    padding: 8px 16px;
    background-color: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
}

.radio-group input[type="radio"]:checked + label {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

#customContractValue {
    margin-top: 10px;
}

/* 辅助信息区域样式 */
.info-box {
    background-color: rgba(56, 97, 251, 0.05);
    border-left: 4px solid var(--primary-color);
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 4px;
}

.info-box h4 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.info-box p {
    margin-bottom: 5px;
    font-size: 14px;
}

.info-box span {
    font-weight: 600;
}
:root {
    --token-primary: #f3ba2f;
    --token-secondary: #0f0f0f;
    --token-text: #333333;
    --token-light-bg: #f9f9f9;
    --token-dark-bg: #1a1a1a;
    --token-accent: #2196f3;
    --token-gradient: linear-gradient(135deg, #f3ba2f 0%, #f7931a 100%);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--token-text);
    margin: 0;
    padding: 0;
    background-color: var(--token-light-bg);
}

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

.token-header {
    background-color: var(--token-secondary);
    color: white;
    padding: 40px 0;
    text-align: center;
    border-bottom: 4px solid var(--token-primary);
}

.token-header h1 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    color: var(--token-primary);
}

.token-header p {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto;
    color: #e0e0e0;
}

.token-intro {
    background-color: white;
    padding: 30px;
    margin: 30px 0;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.token-section {
    margin: 50px 0;
}

.token-section h2 {
    color: var(--token-secondary);
    border-bottom: 2px solid var(--token-primary);
    padding-bottom: 10px;
    font-size: 1.8rem;
    margin-top: 40px;
}

.token-section h3 {
    color: var(--token-accent);
    font-size: 1.4rem;
    margin-top: 25px;
}

.token-faq {
    background-color: white;
    padding: 30px;
    border-radius: 8px;
    margin: 40px 0;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.token-faq h2 {
    text-align: center;
    color: var(--token-secondary);
    margin-bottom: 30px;
}

.token-faq-item {
    margin-bottom: 20px;
    border-bottom: 1px solid #eee;
    padding-bottom: 20px;
}

.token-faq-item h3 {
    color: var(--token-secondary);
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.token-faq-item p {
    color: var(--token-text);
}

.token-footer {
    background-color: var(--token-dark-bg);
    color: white;
    padding: 30px 0;
    text-align: center;
    margin-top: 50px;
}

.token-footer a {
    color: var(--token-primary);
    text-decoration: none;
    margin: 0 15px;
}

.token-footer a:hover {
    text-decoration: underline;
}

.token-citation {
    font-size: 0.8rem;
    color: #777;
    margin-top: 5px;
}

.token-btn {
    background: var(--token-gradient);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 4px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
}

.token-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.explanation-section {
    padding: 20px;
    background-color: white;
    border-radius: 8px;
    margin-bottom: 30px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

/* 底部样式 */
footer {
    background-color: #f9f9f9;
    padding: 20px;
    text-align: center;
    border-top: 1px solid #e9ecef;
    margin-top: 40px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

/* 语言切换样式 */
.language-switcher-footer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 10px;
}

.language-link {
    color: #3861fb;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.language-link:hover {
    color: #2d4fd7;
    text-decoration: underline;
}

.language-separator {
    color: #6c757d;
    font-weight: 400;
}

/* 手机端适配 */
@media (max-width: 768px) {
    footer {
        padding: 15px;
    }

    .footer-content {
        gap: 8px;
    }

    .language-switcher-footer {
        flex-direction: column;
        gap: 5px;
    }

    .language-separator {
        display: none;
    }
}