.card-generator {
    max-width: 1100px;
    margin: 20px auto;
    padding: 20px;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.title {
    margin: 0;
    display: flex;
    align-items: flex-end;
    gap: 10px;
}

.title-text {
    background: linear-gradient(45deg, #2196F3, #00BCD4);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-family: "Microsoft YaHei", sans-serif;
    font-size: 28px;
    font-weight: 600;
    letter-spacing: 1px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
}

.version {
    color: #666;
    font-size: 14px;
    font-weight: normal;
    align-self: flex-end;
    margin-bottom: 2px;
    margin-left: 5px;
}

.header-buttons {
    display: flex;
    gap: 12px;
}

.header-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    color: white;
    transition: all 0.3s ease;
}

.btn-icon {
    transition: transform 0.3s ease;
}

.header-btn:hover .btn-icon {
    transform: scale(1.1);
}

.help-btn {
    background: linear-gradient(45deg, #2196F3, #00BCD4);
    box-shadow: 0 2px 4px rgba(33, 150, 243, 0.2);
}

.help-btn:hover {
    background: linear-gradient(45deg, #1E88E5, #00ACC1);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(33, 150, 243, 0.3);
}

.feedback-btn {
    background: linear-gradient(45deg, #4CAF50, #8BC34A);
    box-shadow: 0 2px 4px rgba(76, 175, 80, 0.2);
}

.feedback-btn:hover {
    background: linear-gradient(45deg, #43A047, #7CB342);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(76, 175, 80, 0.3);
}

.donate-btn {
    background: linear-gradient(45deg, #FF5722, #FF9800);
    box-shadow: 0 2px 4px rgba(255, 87, 34, 0.2);
}

.donate-btn:hover {
    background: linear-gradient(45deg, #F4511E, #FB8C00);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(255, 87, 34, 0.3);
}

.input-group {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
}

.input-with-label {
    position: relative;
    width: 100%;
}

.input-with-label:nth-child(1) {
    flex: 0.5;
}

.input-with-label:nth-child(2) {
    flex: 2;
}

.input-with-label:nth-child(3) {
    flex: 0.3;
}

.input-with-label:nth-child(4),
.input-with-label:nth-child(5) {
    flex: 0.4;
}

.input-with-label:nth-child(6) {
    flex: 0.3;
}

.input-label {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    color: #666;
    font-size: 14px;
    pointer-events: none;
}

.input-group input {
    width: 100%;
    padding: 8px;
    padding-right: 70px;
    border: 1px solid #ddd;
    border-radius: 4px;
    height: 36px;
    box-sizing: border-box;
    outline: none;
    transition: border-color 0.2s ease-in-out;
}

.input-group input[type="number"] {
    -moz-appearance: textfield;
}

.input-group input[type="number"]::-webkit-inner-spin-button,
.input-group input[type="number"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.input-group input:focus {
    border-color: #ffa500;
    box-shadow: 0 0 0 2px rgba(255, 165, 0, 0.2);
}

.char-options {
    margin-bottom: 20px;
}

.options-group {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.option-section {
    border: 1px solid #eee;
    padding: 8px 10px;
    border-radius: 4px;
    background: #fff;
    position: relative;
}

.section-header {
    position: absolute;
    top: -12px;
    left: 0;
    background: #fff;
    padding: 0 10px;
    border-radius: 2px;
    margin-bottom: 15px;
}

.section-title {
    color: #666;
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 4px;
    background: linear-gradient(45deg, #2196F3, #00BCD4);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-family: "Microsoft YaHei", sans-serif;
    letter-spacing: 0.5px;
}

.section-header .section-title {
    display: inline-flex;
    margin-bottom: 8px;
    border-radius: 3px;
    padding: 2px 6px;
}

.section-header .section-title input[type="checkbox"] {
    margin-right: 4px;
}

.section-header .section-title span {
    margin-right: 2px;
}

.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.checkbox-row {
    display: flex;
    gap: 15px;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    white-space: nowrap;
    cursor: pointer;
    font-size: 12px;
    color: #333;
    user-select: none;
    min-width: 90px;
}

.checkbox-group input[type="checkbox"] {
    margin-right: 4px;
    vertical-align: middle;
    cursor: pointer;
    margin-top: 1px;
}

.section-title input[type="checkbox"] {
    margin: 0;
    margin-right: 3px;
    transform: scale(0.9);
}

.common-chars {
    border-color: #e0e0e0;
}

.common-chars .checkbox-group {
    margin-top: 20px;
}

.common-chars .checkbox-group label {
    display: inline-flex;
    align-items: center;
    height: 24px;
    justify-content: flex-start;
}

.common-chars .checkbox-group input[type="checkbox"] {
    margin-top: -1px;
    margin-left: 0;
}

.punctuation {
    border-color: #e0e0e0;
}

.special-chars {
    border-color: #e0e0e0;
}

.buttons {
    margin-bottom: 20px;
}

.buttons button {
    margin-right: 10px;
    padding: 6px 14px;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
    min-width: 120px;
    height: 36px;
    font-size: 14px;
}

.buttons button[type="submit"] {
    background: linear-gradient(45deg, #2196F3, #00BCD4);
    box-shadow: 0 2px 4px rgba(33, 150, 243, 0.2);
}

.buttons button[type="submit"]:hover {
    background: linear-gradient(45deg, #1E88E5, #00ACC1);
    box-shadow: 0 4px 8px rgba(33, 150, 243, 0.3);
    transform: translateY(-1px);
}

.buttons button[type="reset"] {
    background: linear-gradient(45deg, #a8a8a8, #d4d4d4);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.buttons button[type="reset"]:hover {
    background: linear-gradient(45deg, #999999, #c4c4c4);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.results {
    display: flex;
    flex-direction: column;
    position: relative;
    gap: 30px;
    padding-top: 30px;
}

.results::before {
    content: '';
    position: absolute;
    top: 0px;
    left: 0;
    right: 0;
    border-top: 2px dashed #e0e0e0;
    margin: 0 -20px;
}

.result-headers {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin-bottom: 20px;
}

.result-textareas {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}

.result-section {
    padding: 20px 12px 12px;
    border-radius: 4px;
    position: relative;
    margin-bottom: 15px;
    padding-left: 0;
}

.result-section .section-header {
    position: absolute;
    top: -12px;
    left: 0;
    background: #fff;
    padding: 0 10px;
    border-radius: 2px;
    margin-bottom: 15px;
}

.result-section .section-title {
    color: #666;
    font-size: 16px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 4px;
    background: linear-gradient(45deg, #3B82F6, #14B8A6);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-family: "Microsoft YaHei", sans-serif;
    letter-spacing: 1px;
}

.result-section textarea {
    width: 100%;
    height: 300px;
    padding: 10px;
    border: 1px solid #e0e0e0;
    border-radius: 4px;
    box-sizing: border-box;
    display: block;
    resize: vertical;
    min-height: 200px;
    max-height: none;
    font-family: "Microsoft YaHei", -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    background: #fafafa;
    color: #333;
    transition: all 0.3s ease;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.05);
    margin-top: 15px;
}

.result-section textarea:hover {
    border-color: #3B82F6;
    background: #fff;
}

.result-section textarea:focus {
    outline: none;
    border-color: #3B82F6;
    background: #fff;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.result-section textarea::placeholder {
    color: #999;
    font-family: "Microsoft YaHei", sans-serif;
}

.result-section textarea:focus {
    outline: none;
    border-color: #3B82F6;
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.actions {
    margin-top: 8px;
    margin-bottom: 15px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding-left: 0;
}

.actions button {
    padding: 6px 12px;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 13px;
    min-width: 60px;
    position: relative;
    overflow: hidden;
}

.actions button:first-child {
    background: #3B82F6;
    box-shadow: 0 2px 4px rgba(59, 130, 246, 0.15);
}

.actions button:first-child:hover:not(:disabled) {
    background: linear-gradient(45deg, #2563EB, #1D4ED8);
    transform: translateY(-1px);
}

.actions button:not(:first-child) {
    background: #64748b;
    box-shadow: 0 2px 4px rgba(100, 116, 139, 0.15);
}

.actions button:not(:first-child):hover:not(:disabled) {
    background: linear-gradient(45deg, #3B82F6, #2563EB);
    transform: translateY(-1px);
}

.actions button:disabled {
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

.actions button:first-child:disabled {
    background: #e2e8f0;
    color: #94a3b8;
    border: 1px solid #cbd5e1;
}

.actions button:not(:first-child):disabled {
    background: #f1f5f9;
    color: #94a3b8;
    border: 1px solid #e2e8f0;
}

.actions button:not(:disabled):hover {
    transform: translateY(-1px);
    filter: brightness(1.1);
}

.actions button:not(:disabled):active {
    transform: translateY(0);
    filter: brightness(0.95);
}

.actions button:not(:disabled)::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.2) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.actions button:not(:disabled):hover::after {
    opacity: 1;
}

.prefix-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: white;
    z-index: 1000;
    margin-top: 2px;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    padding: 5px;
    box-sizing: border-box;
    visibility: hidden;
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.1s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}

.suggestions-row {
    display: flex;
    gap: 5px;
    margin-bottom: 5px;
}

.suggestions-row:last-child {
    justify-content: flex-start;
}

.prefix-tag {
    display: inline-block;
    padding: 3px 0;
    background: #f5f5f5;
    border: 1px solid #ddd;
    border-radius: 3px;
    font-size: 11px;
    cursor: pointer;
    flex: 1 1 0;
    text-align: center;
    transition: all 0.15s ease;
    white-space: nowrap;
}

.prefix-tag:hover {
    background: #f0f7ff;
    border-color: #ffa500;
    color: #ffa500;
}

.prefix-tag.active {
    background: #fff5e6;
    border-color: #ffa500;
    color: #ffa500;
    box-shadow: 0 0 0 1px rgba(255, 165, 0, 0.2);
}

.input-with-label:nth-child(4) .prefix-tag,
.input-with-label:nth-child(5) .prefix-tag {
    padding: 2px 0;
    font-size: 12px;
}

.input-with-label:nth-child(4) .suggestions-row,
.input-with-label:nth-child(5) .suggestions-row {
    gap: 5px;
    display: flex;
    flex-wrap: nowrap;
}

.input-with-label:nth-child(4) .suggestions-row:last-child,
.input-with-label:nth-child(5) .suggestions-row:last-child {
    justify-content: flex-start;
}

.input-with-label:nth-child(5) .prefix-tag {
    font-size: 11px;
}

.punctuation .checkbox-row {
    justify-content: flex-start;
}

.punctuation .checkbox-group label {
    flex: 0 0 auto;
    margin-right: 8px;
}

.common-chars .checkbox-row,
.punctuation .checkbox-row,
.special-chars .checkbox-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2px;
    padding: 0 0 0 12px;
    margin-bottom: 1px;
}

.common-chars .checkbox-row:last-child,
.punctuation .checkbox-row:last-child,
.special-chars .checkbox-row:last-child {
    margin-bottom: 0;
}

.common-chars .checkbox-group,
.punctuation .checkbox-group,
.special-chars .checkbox-group {
    margin-top: 20px;
}

.common-chars .checkbox-group label,
.punctuation .checkbox-group label,
.special-chars .checkbox-group label {
    display: inline-flex;
    align-items: center;
    height: 24px;
    justify-content: flex-start;
}

.common-chars .checkbox-group input[type="checkbox"],
.punctuation .checkbox-group input[type="checkbox"],
.special-chars .checkbox-group input[type="checkbox"] {
    margin-top: -1px;
    margin-left: 0;
}

.option-section > .section-title input[type="checkbox"],
.option-section > .section-header > .section-title input[type="checkbox"] {
    accent-color: #ffa500;
    background-color: #fff;
    border: 1px solid #ffa500;
}

.option-section > .section-title input[type="checkbox"]:checked,
.option-section > .section-header > .section-title input[type="checkbox"]:checked {
    background-color: #ffa500;
    border-color: #ffa500;
    position: relative;
}

.option-section > .section-title input[type="checkbox"]:checked::before {
    content: '';
    position: absolute;
    border: 2px solid #fff;
    border-top: 0;
    border-right: 0;
    width: 6px;
    height: 3px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -70%) rotate(-45deg);
}

.char-options-title {
    font-size: 14px;
    background: linear-gradient(45deg, #ff8a00, #ffa500);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-family: "Microsoft YaHei", sans-serif;
    margin-bottom: 10px;
    font-weight: normal;
}

.result-textareas textarea {
    width: 100%;
    height: 300px;
    padding: 10px;
    border: 1px solid #e0e0e0;
    border-radius: 4px;
    box-sizing: border-box;
    display: block;
    resize: vertical;
    min-height: 200px;
    max-height: none;
    font-family: "Microsoft YaHei", -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    background: #fafafa;
    color: #333;
    transition: all 0.3s ease;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.05);
}

.result-textareas textarea:hover {
    border-color: #3B82F6;
    background: #fff;
}

.result-textareas textarea:focus {
    outline: none;
    border-color: #3B82F6;
    background: #fff;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.result-textareas textarea::placeholder {
    color: #999;
    font-family: "Microsoft YaHei", sans-serif;
}

.input-with-label:nth-child(2) {
    flex: 0.5;
}

.input-with-label .prefix-suggestions {
    margin-top: 5px;
    z-index: 1000;
}

.logo {
    height: 40px;
    width: auto;
    margin-right: 15px;
    margin-bottom: -2px;
    transition: all 0.3s ease;
    transform-origin: center;
}

.logo:hover {
    transform: scale(1.1) rotate(5deg);
    filter: drop-shadow(0 4px 8px rgba(33, 150, 243, 0.3));
    cursor: pointer;
}

/* 点击效果 */
.logo:active {
    transform: scale(0.95);
    transition: transform 0.1s ease;
}

.prefix-suggestions.visible {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

/* 移动端自适应样式 */
@media screen and (max-width: 768px) {
    .card-generator {
        padding: 10px;
        margin: 10px;
    }
    
    /* 头部样式调整 */
    header {
        flex-direction: column;
        gap: 15px;
    }
    
    .title {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .logo {
        margin-right: 0;
        margin-bottom: 10px;
    }
    
    .header-buttons {
        flex-direction: column;
        width: 100%;
        gap: 8px;
    }
    
    .header-btn {
        width: 100%;
        justify-content: center;
    }
    
    /* 输入区域调整 */
    .input-group {
        flex-direction: column;
        gap: 15px;
    }
    
    .input-with-label {
        width: 100% !important;
        flex: none !important;
    }
    
    /* 选项组调整 */
    .options-group {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .checkbox-row {
        flex-wrap: wrap;
        gap: 10px;
    }
    
    /* 结果区域调整 */
    .results {
        display: flex;
        flex-direction: column;
        gap: 10px;
    }
    
    .result-headers {
        display: block;
    }
    
    .result-textareas {
        display: none;
    }
    
    .result-section {
        margin-bottom: 8px;
        display: flex;
        flex-direction: column;
        gap: 5px;
        position: relative;
    }
    
    .result-section::after {
        content: '';
        display: block;
    }
    
    .result-section:nth-child(1)::after {
        content: '';
        display: block;
    }
    
    #cardResults, #numberResults, #passwordResults {
        width: 100%;
        min-height: 120px;
        margin-top: 5px;
        box-sizing: border-box;
        display: block;
    }
    
    .result-section:nth-child(1) #cardResults {
        order: 2;
    }
    
    .result-section:nth-child(2) #numberResults {
        order: 2;
    }
    
    .result-section:nth-child(3) #passwordResults {
        order: 2;
    }
    
    .actions {
        flex-wrap: wrap;
        justify-content: center;
        margin-top: 3px;
        margin-bottom: 5px;
    }
    
    .actions button {
        flex: 1 1 auto;
        min-width: 80px;
        padding: 4px 8px;
        font-size: 12px;
    }
    
    /* 按钮组调整 */
    .buttons {
        display: flex;
        gap: 10px;
    }
    
    .buttons button {
        flex: 1;
        min-width: 0;
    }
    
    /* 文本框调整 */
    textarea {
        min-height: 120px;
    }
    
    /* 标签和提示文字调整 */
    .input-label {
        font-size: 14px;
    }
    
    .char-options-title {
        font-size: 16px;
        text-align: center;
    }
    
    /* 复选框组样式调整 */
    .checkbox-group label {
        font-size: 13px;
        min-width: auto;
        flex: 1 1 auto;
    }
    
    .result-textareas textarea {
        width: 100%;
        min-height: 120px;
        margin-top: 10px;
    }
} 

/* 使用说明样式 */
.usage-tips {
    margin-top: 30px;
    padding: 20px;
    background: linear-gradient(145deg, #f8f9fa, #ffffff);
    border-radius: 10px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
    border: 1px solid rgba(59, 130, 246, 0.1);
}

.tips-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.tips-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(45deg, #2196F3, #00BCD4);
    border-radius: 50%;
    color: white;
    box-shadow: 0 2px 8px rgba(33, 150, 243, 0.3);
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-5px);
    }
}

.tip-title {
    font-size: 16px;
    font-weight: 500;
    background: linear-gradient(45deg, #2196F3, #00BCD4);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin: 0;
}

.tip-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.tip-item {
    padding: 8px 15px;
    color: #666;
    font-size: 14px;
    transition: all 0.3s ease;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.7);
}

.tip-item:hover {
    transform: translateX(5px);
    background: rgba(33, 150, 243, 0.05);
    color: #2196F3;
}

/* 移动端适配 */
@media screen and (max-width: 768px) {
    .usage-tips {
        margin-top: 20px;
        padding: 15px;
    }
    
    .tip-item {
        font-size: 13px;
        padding: 6px 12px;
    }
} 

/* 反馈页面样式 */
.feedback-container {
    max-width: 1200px;
    margin: 30px auto;
    padding: 0 20px;
}

.feedback-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 30px;
}

/* 表单部分 */
.feedback-form {
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
}

.form-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 30px;
}

.form-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(45deg, #2196F3, #00BCD4);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.form-header h2 {
    margin: 0;
    color: #333;
    font-size: 24px;
}

.form-group {
    position: relative;
    margin-bottom: 25px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #e0e0e0;
    border-radius: 6px;
    font-size: 14px;
    background: #fff;
    transition: all 0.3s ease;
    color: #333;
    box-sizing: border-box;
    font-family: "Microsoft YaHei", -apple-system, BlinkMacSystemFont, sans-serif;
}

.form-group select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
    padding-right: 40px;
}

.form-group select:required:invalid {
    color: #666;
}

.form-group select option {
    color: #333;
}

.form-group select option:first-child {
    color: #666;
}

.form-group label {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: #666;
    transition: all 0.3s ease;
    pointer-events: none;
    font-size: 14px;
}

.form-group textarea ~ label {
    top: 12px;
    transform: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: #ffa500;
    background: #fff;
    box-shadow: 0 0 0 2px rgba(255, 165, 0, 0.2);
    outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #666;
    font-family: "Microsoft YaHei", -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 14px;
}

.form-group input:hover,
.form-group select:hover,
.form-group textarea:hover {
    border-color: #d0d0d0;
}

.form-buttons {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.submit-btn,
.reset-btn {
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s ease;
}

.submit-btn {
    background: linear-gradient(45deg, #2196F3, #00BCD4);
    color: white;
    flex: 2;
}

.reset-btn {
    background: #f5f5f5;
    color: #666;
    flex: 1;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(33, 150, 243, 0.2);
}

.reset-btn:hover {
    background: #eeeeee;
}

/* 联系方式部分 */
.contact-section {
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
}

.contact-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 30px;
}

.contact-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(45deg, #00BCD4, #2196F3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.contact-header h2 {
    margin: 0;
    color: #333;
    font-size: 24px;
}

.contact-info {
    margin-bottom: 30px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 6px;
    margin-bottom: 15px;
    transition: all 0.3s ease;
}

.contact-item:hover {
    background: #fff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transform: translateX(5px);
}

.contact-item svg {
    color: #2196F3;
}

.contact-item span {
    color: #333;
    font-size: 14px;
}

.contact-tips {
    padding: 20px;
    background: #f8f9fa;
    border-radius: 6px;
    margin-top: 20px;
}

.contact-tips p {
    margin: 5px 0;
    color: #666;
    font-size: 13px;
}

/* 移动端适配 */
@media screen and (max-width: 768px) {
    .feedback-grid {
        grid-template-columns: 1fr;
    }

    .feedback-container {
        margin: 15px auto;
        padding: 0 15px;
    }

    .form-buttons {
        flex-direction: column;
    }

    .submit-btn,
    .reset-btn {
        width: 100%;
    }
} 

/* 返回按钮样式 */
.back-btn {
    background: linear-gradient(45deg, #64748b, #475569);
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    color: white;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.back-btn svg {
    width: 16px;
    height: 16px;
    transition: transform 0.3s ease;
}

.back-btn:hover {
    background: linear-gradient(45deg, #475569, #334155);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.back-btn:hover svg {
    transform: translateX(-3px);
}

.back-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
} 

/* LOGO 链接样式 */
.logo-link {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    transition: transform 0.3s ease;
}

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

.logo-link:active {
    transform: scale(0.95);
}