/* 深色模式 - 头部样式 */
body.dark .header {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
}
/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #e0e5ec;
    color: #333333;
    line-height: 1.6;
    transition: all 0.3s ease;
}

/* 深色模式 */
body.dark {
    background-color: #1a1a2e;
    color: #e0e0e0;
}

/* 深色模式切换按钮 */
.theme-toggle {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    cursor: pointer;
    font-size: 14px;
    padding: 8px 16px;
    border-radius: 20px;
    transition: all 0.3s ease;
    color: white;
    font-weight: 500;
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    gap: 5px;
}

.theme-toggle:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

body.dark .theme-toggle {
    background: rgba(255, 255, 255, 0.1);
}

body.dark .theme-toggle:hover {
    background: rgba(255, 255, 255, 0.2);
}

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

/* 头部样式 */
.header {
    padding: 30px 0;
    text-align: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 0 0 20px 20px;
    margin-bottom: 40px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 800px;
    margin: 0 auto 20px;
}

.logo {
    font-size: 28px;
    font-weight: 700;
    margin: 0;
}

.tagline {
    font-size: 16px;
    opacity: 0.9;
    margin: 0;
}

.header-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.api-status {
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 5px;
    backdrop-filter: blur(10px);
}

.api-status::before {
    content: "🟢";
    font-size: 10px;
}

/* 关于工具按钮 */
.about-btn {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    cursor: pointer;
    font-size: 14px;
    padding: 8px 16px;
    border-radius: 20px;
    transition: all 0.3s ease;
    color: white;
    font-weight: 500;
    backdrop-filter: blur(10px);
}

.about-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* 主内容 */
.main {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 60vh;
}

/* 卡片样式 - 拟态设计 */
.card {
    background-color: #e0e5ec;
    border-radius: 16px;
    box-shadow: 8px 8px 16px #c1c6ce, -8px -8px 16px #ffffff;
    padding: 40px;
    width: 100%;
    max-width: 500px;
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: 12px 12px 24px #c1c6ce, -12px -12px 24px #ffffff;
    transform: translateY(-5px);
}

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

.card-header h2 {
    font-size: 24px;
    font-weight: 600;
    color: #333333;
    margin: 0;
}

/* 深色模式 - 卡片样式 */
body.dark .card {
    background-color: #16213e;
    box-shadow: 8px 8px 16px rgba(0, 0, 0, 0.3), -8px -8px 16px rgba(255, 255, 255, 0.05);
}

body.dark .card:hover {
    box-shadow: 12px 12px 24px rgba(0, 0, 0, 0.4), -12px -12px 24px rgba(255, 255, 255, 0.08);
}

body.dark .card-header h2 {
    color: #e0e0e0;
}

/* 消息样式 */
.message {
    padding: 15px 20px;
    margin-bottom: 25px;
    border-radius: 10px;
    text-align: center;
    font-size: 14px;
    font-weight: 500;
    animation: slideIn 0.3s ease;
    box-shadow: inset 2px 2px 5px #c1c6ce, inset -2px -2px 5px #ffffff;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.message.success {
    background-color: #e8f5e8;
    color: #2e7d32;
    box-shadow: inset 2px 2px 5px #c3e6cb, inset -2px -2px 5px #ffffff;
}

.message.error {
    background-color: #ffebee;
    color: #c62828;
    box-shadow: inset 2px 2px 5px #f5c6cb, inset -2px -2px 5px #ffffff;
}

.message.warning {
    background-color: #fff3e0;
    color: #e65100;
    box-shadow: inset 2px 2px 5px #ffe0b2, inset -2px -2px 5px #ffffff;
}

/* 深色模式 - 消息样式 */
body.dark .message {
    box-shadow: inset 2px 2px 5px rgba(0, 0, 0, 0.3), inset -2px -2px 5px rgba(255, 255, 255, 0.05);
}

body.dark .message.success {
    background-color: #1b3a2b;
    color: #4caf50;
    box-shadow: inset 2px 2px 5px rgba(0, 0, 0, 0.3), inset -2px -2px 5px rgba(76, 175, 80, 0.1);
}

body.dark .message.error {
    background-color: #3a1b1b;
    color: #f44336;
    box-shadow: inset 2px 2px 5px rgba(0, 0, 0, 0.3), inset -2px -2px 5px rgba(244, 67, 54, 0.1);
}

body.dark .message.warning {
    background-color: #3a2b1b;
    color: #ff9800;
    box-shadow: inset 2px 2px 5px rgba(0, 0, 0, 0.3), inset -2px -2px 5px rgba(255, 152, 0, 0.1);
}

/* 表单样式 */
.form-group {
    margin-bottom: 25px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: 600;
    color: #555555;
}

input[type="text"],
input[type="password"],
input[type="number"] {
    width: 100%;
    padding: 14px 18px;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    background-color: #e0e5ec;
    color: #333333;
    transition: all 0.3s ease;
    box-shadow: inset 2px 2px 5px #c1c6ce, inset -2px -2px 5px #ffffff;
}

input[type="text"]:focus,
input[type="password"]:focus,
input[type="number"]:focus {
    outline: none;
    box-shadow: inset 3px 3px 6px #c1c6ce, inset -3px -3px 6px #ffffff;
}

/* 深色模式 - 表单样式 */
body.dark .form-label {
    color: #b0b0b0;
}

body.dark input[type="text"],
body.dark input[type="password"],
body.dark input[type="number"] {
    background-color: #16213e;
    color: #e0e0e0;
    box-shadow: inset 2px 2px 5px rgba(0, 0, 0, 0.3), inset -2px -2px 5px rgba(255, 255, 255, 0.05);
}

body.dark input[type="text"]:focus,
body.dark input[type="password"]:focus,
body.dark input[type="number"]:focus {
    box-shadow: inset 3px 3px 6px rgba(0, 0, 0, 0.4), inset -3px -3px 6px rgba(255, 255, 255, 0.08);
}

/* 步数滑块 */
.step-slider-container {
    margin-top: 15px;
}

.step-slider {
    width: 100%;
    height: 8px;
    border-radius: 4px;
    background: #e0e5ec;
    outline: none;
    -webkit-appearance: none;
    margin-bottom: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: inset 2px 2px 5px #c1c6ce, inset -2px -2px 5px #ffffff;
}

/* 优化滑块样式，提高流畅度 */
.step-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    cursor: pointer;
    transition: all 0.1s ease;
    box-shadow: 0 4px 10px rgba(102, 126, 234, 0.4);
}

.step-slider::-webkit-slider-thumb:hover {
    transform: scale(1.15);
    box-shadow: 0 6px 15px rgba(102, 126, 234, 0.6);
}

.step-slider::-webkit-slider-thumb:active {
    transform: scale(1.2);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.8);
}

.step-slider::-moz-range-thumb {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    cursor: pointer;
    border: none;
    transition: all 0.1s ease;
    box-shadow: 0 4px 10px rgba(102, 126, 234, 0.4);
}

.step-slider::-moz-range-thumb:hover {
    transform: scale(1.15);
    box-shadow: 0 6px 15px rgba(102, 126, 234, 0.6);
}

.step-slider::-moz-range-thumb:active {
    transform: scale(1.2);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.8);
}

.slider-labels {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    color: #666666;
}

/* 深色模式 - 滑块样式 */
body.dark .step-slider {
    background: #16213e;
    box-shadow: inset 2px 2px 5px rgba(0, 0, 0, 0.3), inset -2px -2px 5px rgba(255, 255, 255, 0.05);
}

body.dark .slider-labels {
    color: #999999;
}

/* 按钮样式 */
.btn {
    display: block;
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #ffffff;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 35px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: 4px 4px 10px rgba(0, 0, 0, 0.2), -2px -2px 5px rgba(255, 255, 255, 0.2);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 6px 6px 15px rgba(0, 0, 0, 0.3), -3px -3px 8px rgba(255, 255, 255, 0.2);
}

.btn:disabled {
    background: #cccccc;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* 深色模式 - 按钮样式 */
body.dark .btn {
    box-shadow: 4px 4px 10px rgba(0, 0, 0, 0.4), -2px -2px 5px rgba(255, 255, 255, 0.05);
}

body.dark .btn:hover {
    box-shadow: 6px 6px 15px rgba(0, 0, 0, 0.5), -3px -3px 8px rgba(255, 255, 255, 0.08);
}

.btn-icon {
    font-size: 20px;
}

/* 进度条样式 */
.progress-container {
    margin-top: 30px;
    padding: 25px;
    background-color: #e0e5ec;
    border-radius: 10px;
    box-shadow: inset 2px 2px 5px #c1c6ce, inset -2px -2px 5px #ffffff;
}

.progress-bar {
    width: 0%;
    height: 10px;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    border-radius: 5px;
    transition: width 0.3s ease;
    margin-bottom: 15px;
    box-shadow: 0 2px 5px rgba(102, 126, 234, 0.4);
}

.progress-text {
    text-align: center;
    font-size: 14px;
    color: #666666;
    font-weight: 500;
}

/* 深色模式 - 进度条样式 */
body.dark .progress-container {
    background-color: #16213e;
    box-shadow: inset 2px 2px 5px rgba(0, 0, 0, 0.3), inset -2px -2px 5px rgba(255, 255, 255, 0.05);
}

body.dark .progress-text {
    color: #999999;
}

/* 加载状态遮罩 */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(224, 229, 236, 0.95);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    animation: fadeIn 0.3s ease;
    backdrop-filter: blur(10px);
}

.loading-content {
    background-color: #e0e5ec;
    padding: 50px 60px;
    border-radius: 20px;
    box-shadow: 10px 10px 20px #c1c6ce, -10px -10px 20px #ffffff;
    text-align: center;
    animation: slideUp 0.3s ease;
}

.spinner {
    width: 60px;
    height: 60px;
    border: 4px solid #e0e5ec;
    border-top: 4px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 25px;
    box-shadow: 0 0 10px rgba(102, 126, 234, 0.3);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-text {
    font-size: 20px;
    font-weight: 600;
    color: #333333;
    margin-bottom: 10px;
}

.loading-subtext {
    font-size: 14px;
    color: #666666;
}

/* 深色模式 - 加载状态 */
body.dark .loading-overlay {
    background-color: rgba(26, 26, 46, 0.95);
}

body.dark .loading-content {
    background-color: #16213e;
    box-shadow: 10px 10px 20px rgba(0, 0, 0, 0.4), -10px -10px 20px rgba(255, 255, 255, 0.05);
}

body.dark .spinner {
    border: 4px solid #16213e;
}

body.dark .loading-text {
    color: #e0e0e0;
}

body.dark .loading-subtext {
    color: #999999;
}

/* 结果卡片 */
.result-card {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(224, 229, 236, 0.95);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    animation: fadeIn 0.3s ease;
    backdrop-filter: blur(10px);
}

.result-content {
    background-color: #e0e5ec;
    padding: 50px 60px;
    border-radius: 20px;
    box-shadow: 10px 10px 20px #c1c6ce, -10px -10px 20px #ffffff;
    text-align: center;
    animation: slideUp 0.3s ease;
    max-width: 400px;
    width: 90%;
}

.result-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    margin: 0 auto 25px;
    box-shadow: 5px 5px 10px #c1c6ce, -5px -5px 10px #ffffff;
}

.result-icon.success {
    background: linear-gradient(135deg, #4caf50 0%, #45a049 100%);
    color: white;
}

.result-icon.error {
    background: linear-gradient(135deg, #f44336 0%, #d32f2f 100%);
    color: white;
}

.result-title {
    font-size: 24px;
    font-weight: 600;
    color: #333333;
    margin-bottom: 15px;
}

.result-message {
    font-size: 16px;
    color: #666666;
    margin-bottom: 25px;
    line-height: 1.5;
}

.result-details {
    background-color: #e0e5ec;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 25px;
    box-shadow: inset 2px 2px 5px #c1c6ce, inset -2px -2px 5px #ffffff;
    text-align: left;
}

.result-detail-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    font-size: 14px;
}

.result-detail-item:last-child {
    margin-bottom: 0;
}

.result-detail-label {
    color: #666666;
}

.result-detail-value {
    color: #333333;
    font-weight: 600;
}

.result-close-btn {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #ffffff;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 4px 4px 10px rgba(0, 0, 0, 0.2), -2px -2px 5px rgba(255, 255, 255, 0.2);
}

.result-close-btn:hover {
    transform: translateY(-2px);
    box-shadow: 6px 6px 15px rgba(0, 0, 0, 0.3), -3px -3px 8px rgba(255, 255, 255, 0.2);
}

/* 深色模式 - 结果卡片 */
body.dark .result-card {
    background-color: rgba(26, 26, 46, 0.95);
}

body.dark .result-content {
    background-color: #16213e;
    box-shadow: 10px 10px 20px rgba(0, 0, 0, 0.4), -10px -10px 20px rgba(255, 255, 255, 0.05);
}

body.dark .result-icon {
    box-shadow: 5px 5px 10px rgba(0, 0, 0, 0.3), -5px -5px 10px rgba(255, 255, 255, 0.05);
}

body.dark .result-title {
    color: #e0e0e0;
}

body.dark .result-message {
    color: #b0b0b0;
}

body.dark .result-details {
    background-color: #16213e;
    box-shadow: inset 2px 2px 5px rgba(0, 0, 0, 0.3), inset -2px -2px 5px rgba(255, 255, 255, 0.05);
}

body.dark .result-detail-label {
    color: #999999;
}

body.dark .result-detail-value {
    color: #e0e0e0;
}

body.dark .result-close-btn {
    box-shadow: 4px 4px 10px rgba(0, 0, 0, 0.4), -2px -2px 5px rgba(255, 255, 255, 0.05);
}

body.dark .result-close-btn:hover {
    box-shadow: 6px 6px 15px rgba(0, 0, 0, 0.5), -3px -3px 8px rgba(255, 255, 255, 0.08);
}

/* 弹窗样式 */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5);
    justify-content: center;
    align-items: center;
    animation: fadeIn 0.3s ease;
    backdrop-filter: blur(5px);
}

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

.modal-content {
    background-color: #e0e5ec;
    border-radius: 16px;
    width: 90%;
    max-width: 550px;
    box-shadow: 15px 15px 30px #c1c6ce, -15px -15px 30px #ffffff;
    animation: slideUp 0.3s ease;
    overflow: hidden;
    max-height: 90vh;
    overflow-y: auto;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px 30px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.modal-header h2 {
    font-size: 20px;
    font-weight: 600;
    margin: 0;
}

.close-btn {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: white;
    opacity: 0.8;
    transition: all 0.3s ease;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.close-btn:hover {
    opacity: 1;
    background: rgba(255, 255, 255, 0.3);
}

.modal-body {
    padding: 30px;
}

/* 帮助内容 */
.help-content h3 {
    font-size: 18px;
    font-weight: 600;
    color: #333333;
    margin: 25px 0 15px;
}

.help-content ol {
    padding-left: 25px;
    margin-bottom: 30px;
}

.help-content li {
    font-size: 15px;
    color: #666666;
    margin-bottom: 10px;
    line-height: 1.6;
}

.help-content li .small-link {
    display: inline-block;
    margin-left: 10px;
    padding: 4px 12px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-decoration: none;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.help-content li .small-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}





/* 常见问题 */
.faq-container {
    margin-top: 20px;
}

.faq-item {
    margin-bottom: 10px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 2px 2px 5px #c1c6ce, -2px -2px 5px #ffffff;
}

.faq-question {
    background-color: #e0e5ec;
    padding: 15px 20px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 500;
    color: #333333;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background-color: #d5dae0;
    box-shadow: inset 2px 2px 5px #c1c6ce, inset -2px -2px 5px #ffffff;
}

.faq-arrow {
    font-size: 12px;
    transition: transform 0.3s ease;
}

.faq-answer {
    padding: 0 20px 20px;
    background-color: #e0e5ec;
    line-height: 1.6;
    box-shadow: inset 2px 2px 5px #c1c6ce, inset -2px -2px 5px #ffffff;
}

.faq-answer p {
    margin: 10px 0;
    color: #666666;
    font-size: 14px;
}

/* 深色模式 - 弹窗样式 */
body.dark .modal-content {
    background-color: #16213e;
    box-shadow: 15px 15px 30px rgba(0, 0, 0, 0.4), -15px -15px 30px rgba(255, 255, 255, 0.05);
}

body.dark .help-content h3 {
    color: #e0e0e0;
}

body.dark .help-content li {
    color: #b0b0b0;
}

body.dark .faq-item {
    box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.3), -2px -2px 5px rgba(255, 255, 255, 0.05);
}

body.dark .faq-question {
    background-color: #16213e;
    color: #e0e0e0;
}

body.dark .faq-question:hover {
    background-color: #1e2a4a;
    box-shadow: inset 2px 2px 5px rgba(0, 0, 0, 0.3), inset -2px -2px 5px rgba(255, 255, 255, 0.05);
}

body.dark .faq-answer {
    background-color: #16213e;
    box-shadow: inset 2px 2px 5px rgba(0, 0, 0, 0.3), inset -2px -2px 5px rgba(255, 255, 255, 0.05);
}

body.dark .faq-answer p {
    color: #b0b0b0;
}

/* 卡片信息样式 */
.card-info {
    background-color: #e0e5ec;
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 25px;
    box-shadow: inset 2px 2px 5px #c1c6ce, inset -2px -2px 5px #ffffff;
}

.card-info h3 {
    font-size: 16px;
    font-weight: 600;
    color: #333333;
    margin-bottom: 15px;
}

.card-info p {
    margin: 8px 0;
    color: #666666;
}

/* 复选框容器 */
.checkbox-container {
    display: flex;
    align-items: center;
    gap: 10px;
}

.checkbox-container input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.checkbox-container label {
    font-size: 14px;
    color: #666666;
    cursor: pointer;
}

/* 选择框样式 */
select {
    width: 100%;
    padding: 14px 18px;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    background-color: #e0e5ec;
    color: #333333;
    transition: all 0.3s ease;
    box-shadow: inset 2px 2px 5px #c1c6ce, inset -2px -2px 5px #ffffff;
    cursor: pointer;
}

select:focus {
    outline: none;
    box-shadow: inset 3px 3px 6px #c1c6ce, inset -3px -3px 6px #ffffff;
}

/* 底部样式 */
.footer {
    text-align: center;
    padding: 30px 0;
    margin-top: 40px;
    background-color: #e0e5ec;
    border-radius: 20px 20px 0 0;
    box-shadow: 0 -4px 15px rgba(0, 0, 0, 0.1);
}

.footer-content {
    max-width: 800px;
    margin: 0 auto;
}

.copyright {
    font-size: 14px;
    color: #666666;
    margin: 0 0 5px;
}

.powered {
    font-size: 12px;
    color: #999999;
    margin: 0;
}

/* 深色模式 - 卡片信息样式 */
body.dark .card-info {
    background-color: #16213e;
    box-shadow: inset 2px 2px 5px rgba(0, 0, 0, 0.3), inset -2px -2px 5px rgba(255, 255, 255, 0.05);
}

body.dark .card-info h3 {
    color: #e0e0e0;
}

body.dark .card-info p {
    color: #999999;
}

/* 深色模式 - 复选框样式 */
body.dark .checkbox-container label {
    color: #b0b0b0;
}

/* 深色模式 - 选择框样式 */
body.dark select {
    background-color: #16213e;
    color: #e0e0e0;
    box-shadow: inset 2px 2px 5px rgba(0, 0, 0, 0.3), inset -2px -2px 5px rgba(255, 255, 255, 0.05);
}

body.dark select:focus {
    box-shadow: inset 3px 3px 6px rgba(0, 0, 0, 0.4), inset -3px -3px 6px rgba(255, 255, 255, 0.08);
}

/* 深色模式 - 底部样式 */
body.dark .footer {
    background-color: #16213e;
    box-shadow: 0 -4px 15px rgba(0, 0, 0, 0.3);
}

body.dark .copyright {
    color: #999999;
}

body.dark .powered {
    color: #666666;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 15px;
    }
    
    .header {
        padding: 25px 0;
    }
    
    .main {
        padding: 20px 0;
    }
    
    .card {
        padding: 30px;
        box-shadow: 6px 6px 12px #c1c6ce, -6px -6px 12px #ffffff;
    }
    
    .modal-content {
        width: 95%;
        max-height: 95vh;
    }
}

@media (max-width: 480px) {
    .header {
        padding: 20px 0;
    }
    
    .logo {
        font-size: 24px;
    }
    
    .tagline {
        font-size: 14px;
    }
    
    .card {
        padding: 25px;
        box-shadow: 4px 4px 8px #c1c6ce, -4px -4px 8px #ffffff;
    }
    
    .card-header h2 {
        font-size: 20px;
    }
    
    input[type="text"],
    input[type="password"],
    input[type="number"] {
        padding: 12px 16px;
        font-size: 15px;
    }
    
    .btn {
        padding: 14px;
        font-size: 15px;
    }
    
    .modal-header,
    .modal-body {
        padding: 20px;
    }
    
    .progress-content {
        padding: 30px;
    }
}