:root {
    --primary-color: #6366f1;
    --primary-light: #818cf8;
    --primary-dark: #4f46e5;
    --secondary-color: #0ea5e9;
    --text-color: #334155;
    --text-light: #64748b;
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --border-color: #e2e8f0;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --border-radius: 12px;
    --transition: all 0.3s ease;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    font-size: 16px;
    min-height: 100vh;
}

/* 通用容器 */
.container {
    max-width: 1000px;
    margin: 40px auto;
    padding: 0 20px;
}

/* 标题样式 */
h1 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    background: linear-gradient(120deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.5px;
}

/* 卡片样式 */
.card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 30px;
    margin-bottom: 25px;
    transition: var(--transition);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
    animation: fadeIn 0.5s ease-out forwards;
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(to bottom, var(--primary-color), var(--secondary-color));
}

.card:nth-child(2) {
    animation-delay: 0.1s;
}

.card:nth-child(3) {
    animation-delay: 0.2s;
}

/* 卡片头部 */
.card-header {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.card-header i {
    font-size: 1.5rem;
    background: linear-gradient(120deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-right: 10px;
}

.card-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--primary-dark);
    margin: 0;
}

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

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-color);
}

input[type="text"],
input[type="number"],
select,
textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 16px;
    transition: var(--transition);
    color: var(--text-color);
    background-color: var(--card-bg);
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* 导航栏 */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 30px;
    background: var(--card-bg);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.navbar-logo i {
    font-size: 1.8rem;
    background: linear-gradient(120deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-right: 10px;
}

.navbar-logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(120deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.navbar-links {
    display: flex;
    gap: 20px;
}

.navbar-link {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 5px;
}

.navbar-link:hover {
    color: var(--primary-color);
}

.navbar-link i {
    font-size: 1.1rem;
}

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    transition: var(--transition);
    gap: 8px;
}

.btn:hover {
    background-color: var(--primary-dark);
    transform: translateY(-1px);
}

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

.btn-secondary {
    background-color: var(--text-light);
}

.btn-secondary:hover {
    background-color: var(--text-color);
}

.btn-danger {
    background-color: var(--danger-color);
}

.btn-danger:hover {
    background-color: #dc2626;
}

.btn-success {
    background-color: var(--success-color);
}

.btn-success:hover {
    background-color: #059669;
}

/* 表单辅助样式 */
.required-field::after {
    content: ' *';
    color: var(--danger-color);
    font-weight: bold;
}

.form-field-hint {
    font-size: 12px;
    color: var(--text-light);
    margin-top: 4px;
}

/* 工具类 */
.hidden {
    display: none;
}

.mt-2 {
    margin-top: 10px;
}

/* 动画 */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.6); }
    70% { box-shadow: 0 0 0 10px rgba(99, 102, 241, 0); }
    100% { box-shadow: 0 0 0 0 rgba(99, 102, 241, 0); }
}

@keyframes float {
    0% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
    100% { transform: translateY(0) rotate(0deg); }
}

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

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

/* 客服图标样式 */
.customer-service-icon {
    position: fixed;
    right: 30px;
    bottom: 50px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: var(--primary-color);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    z-index: 1000;
    transition: all 0.3s ease;
}

.customer-service-icon:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
}

.customer-service-icon i {
    font-size: 28px;
    color: white;
}

/* 二维码弹窗样式 */
.qrcode-modal {
    display: none;
    position: fixed;
    right: 30px;
    bottom: 120px;
    z-index: 1001;
}

.qrcode-content {
    background-color: white;
    padding: 20px;
    border-radius: 10px;
    position: relative;
    width: 250px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

.qrcode-close {
    position: absolute;
    top: 5px;
    right: 5px;
    font-size: 16px;
    cursor: pointer;
    color: var(--text-light);
    width: 25px;
    height: 25px;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.05);
}

.qrcode-close:hover {
    background-color: rgba(0, 0, 0, 0.1);
}

.qrcode-image {
    width: 180px;
    height: 180px;
    margin: 0 auto 10px;
}

.qrcode-title {
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 5px;
}

.qrcode-description {
    font-size: 14px;
    color: var(--text-light);
}

/* 表单验证错误样式 */
.field-error {
    border-color: var(--danger-color) !important;
    background-color: rgba(220, 38, 38, 0.05) !important;
}

.validation-error {
    color: var(--danger-color);
    font-size: 12px;
    margin-top: 4px;
    animation: fadeIn 0.3s ease;
}

/* 调整必填项标记样式 */
.required-field::after {
    content: ' *';
    color: var(--danger-color);
    font-weight: bold;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

.shake {
    animation: shake 0.5s ease;
}