/* 在线留言页面样式 */
:root {
    --primary-bg: #0a0f1a;
    --secondary-bg: #111827;
    --card-bg: #1a2332;
    --card-hover-bg: #2d3748;
    --border-color: #374151;
    --text-primary: #ffffff;
    --text-secondary: #c0c8e7;
    --text-muted: #8a94a6;
    --accent-color: #4d9eff;
    --accent-hover: #3d8eef;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --border-radius: 16px;
    --shadow-primary: 0 8px 32px rgba(77, 158, 255, 0.15);
    --shadow-secondary: 0 4px 20px rgba(0, 0, 0, 0.3);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 在线留言页面容器 */
.message-section {
    background: var(--primary-bg);
    min-height: 100vh;
    padding: 100px 0 40px 0;
    margin-top: 20px;
}

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

/* 面包屑导航 */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 50px;
    padding: 25px 30px;
    background: var(--card-bg);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-secondary);
    font-size: 15px;
    color: var(--text-secondary);
    backdrop-filter: blur(10px);
    position: relative;
    z-index: 100;
    margin-top: 20px;
}

.breadcrumb a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    padding: 8px 12px;
    border-radius: 8px;
}

.breadcrumb a:hover {
    color: var(--accent-color);
    background: rgba(77, 158, 255, 0.1);
    transform: translateY(-2px);
}

.breadcrumb .current {
    color: var(--text-primary);
    font-weight: 600;
    background: rgba(77, 158, 255, 0.1);
    padding: 8px 16px;
    border-radius: 20px;
    border: 1px solid var(--accent-color);
}

.breadcrumb i {
    font-size: 14px;
    color: var(--text-muted);
    margin: 0 5px;
}

/* 留言主体 */
.message-content {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

/* 留言头部 */
.message-header {
    text-align: center;
    background: var(--card-bg);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-secondary);
    padding: 40px;
    backdrop-filter: blur(10px);
}

.message-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 20px 0;
    background: linear-gradient(135deg, var(--text-primary), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.message-desc {
    color: var(--text-secondary);
    font-size: 18px;
    line-height: 1.6;
    margin: 0 0 15px 0;
}

.message-phone {
    color: var(--text-secondary);
    font-size: 16px;
    margin: 0;
}

.message-phone strong {
    color: var(--accent-color);
    font-size: 18px;
}

/* 留言表单 */
.message-form {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-secondary);
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.form-card {
    padding: 40px;
}

.form-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 10px 0;
    background: linear-gradient(135deg, var(--text-primary), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.form-desc {
    color: var(--text-secondary);
    font-size: 16px;
    margin: 0 0 30px 0;
    line-height: 1.6;
}

.message-form-inner {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
}

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

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 14px;
}

.required {
    color: var(--error-color);
}

.form-input,
.form-textarea {
    padding: 15px 20px;
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 16px;
    transition: var(--transition);
    outline: none;
}

.form-input:focus,
.form-textarea:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(77, 158, 255, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-muted);
}

.form-textarea {
    resize: vertical;
    min-height: 150px;
}

/* 字符计数 */
.char-count {
    display: flex;
    justify-content: flex-end;
    color: var(--text-muted);
    font-size: 14px;
    margin-top: 5px;
}

.char-count span {
    color: var(--text-secondary);
}

/* 验证码 */
.vercode-group {
    margin-top: 10px;
    display: flex;
    gap: 15px;
    align-items: center;
}

.vercode-group .form-input {
    flex: 1;
}

.vercode-group img {
    width: 100px;
    height: 45px;
    border-radius: 8px;
    cursor: pointer;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.vercode-group img:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-primary);
}

/* 提交按钮 */
.form-submit {
    margin-top: 20px;
}

.submit-btn {
    width: 100%;
    padding: 18px 30px;
    background: var(--accent-color);
    color: var(--text-primary);
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    position: relative;
    overflow: hidden;
}

.submit-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transition);
}

.submit-btn:hover::before {
    left: 100%;
}

.submit-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(77, 158, 255, 0.4);
}

.submit-btn i {
    font-size: 18px;
}

/* 联系信息 */
.contact-info {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-secondary);
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.info-card {
    padding: 40px;
}

.info-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 30px 0;
    text-align: center;
    background: linear-gradient(135deg, var(--text-primary), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.info-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 25px;
    background: var(--secondary-bg);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.info-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-primary);
    border-color: var(--accent-color);
}

.info-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: rgba(77, 158, 255, 0.1);
    border-radius: 12px;
    border: 1px solid rgba(77, 158, 255, 0.3);
    flex-shrink: 0;
}

.info-icon i {
    font-size: 24px;
    color: var(--accent-color);
}

.info-content h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 8px 0;
}

.info-content p {
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.6;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .container {
        max-width: 1000px;
    }
    
    .form-card,
    .info-card {
        padding: 30px;
    }
}

@media (max-width: 768px) {
    .message-section {
        padding: 40px 0 20px 0;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .breadcrumb {
        padding: 20px;
        margin-bottom: 30px;
        font-size: 14px;
        gap: 10px;
    }
    
    .message-header {
        padding: 30px;
    }
    
    .message-title {
        font-size: 28px;
    }
    
    .message-desc {
        font-size: 16px;
    }
    
    .form-card,
    .info-card {
        padding: 25px;
    }
    
    .form-title {
        font-size: 24px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .info-list {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .info-item {
        padding: 20px;
    }
    
    .info-icon {
        width: 50px;
        height: 50px;
    }
    
    .info-icon i {
        font-size: 20px;
    }
}

@media (max-width: 480px) {
    .message-section {
        padding: 30px 0 15px 0;
    }
    
    .breadcrumb {
        font-size: 13px;
        gap: 8px;
        margin-bottom: 25px;
        padding: 15px;
    }
    
    .message-header {
        padding: 25px;
    }
    
    .message-title {
        font-size: 24px;
    }
    
    .message-desc {
        font-size: 15px;
    }
    
    .form-card,
    .info-card {
        padding: 20px;
    }
    
    .form-title {
        font-size: 20px;
    }
    
    .info-item {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .info-icon {
        align-self: center;
    }
    
    .info-content h4 {
        font-size: 16px;
    }
}