/* ==============================================
   AI Agent平台自定义样式
   ============================================== */

/* 浮动动画 */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

/* 脉冲动画 */
@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.9; }
}

/* 数字滚动动画 */
@keyframes countUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ==============================================
   联系我们页面样式
   ============================================== */

/* 面包屑渐变背景 */
.bg-gradient-purple {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
    padding: 60px 0 !important;
}

.breadcrumb-menu.justify-content-center {
    display: flex;
    justify-content: center;
    gap: 10px;
}

.breadcrumb-menu .active {
    color: white;
    font-weight: 600;
}

.text-white-75 {
    color: rgba(255,255,255,0.75);
}

/* 快速联系卡片 */
.quick-contact-section {
    background: #f8f9fa;
    margin-top: -30px;
    position: relative;
    z-index: 10;
}

.contact-info-card {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    height: 100%;
    box-shadow: 0 5px 25px rgba(0,0,0,0.08);
    transition: all 0.4s ease;
    border: 2px solid transparent;
}

.contact-info-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(102,126,234,0.2);
    border-color: #667eea;
}

.contact-info-card .card-icon {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 2.5rem;
    color: white;
}

.bg-gradient-purple {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.bg-gradient-blue {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.bg-gradient-green {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
}

.contact-info-card h4 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: #2c3e50;
}

.contact-info-card p {
    color: #5a6c7d;
    margin-bottom: 20px;
    line-height: 1.8;
}

.contact-info-card p a {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    display: block;
    margin: 5px 0;
    transition: all 0.3s ease;
}

.contact-info-card p a:hover {
    color: #764ba2;
    padding-left: 5px;
}

.contact-info-card .card-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.contact-info-card .card-link:hover {
    color: #764ba2;
    gap: 12px;
}

.contact-info-card .card-label {
    display: inline-block;
    padding: 6px 15px;
    background: rgba(102,126,234,0.1);
    border-radius: 20px;
    font-size: 0.85rem;
    color: #667eea;
    font-weight: 600;
}

/* 现代化内容区 */
.contact-content-modern {
    padding: 20px 0;
}

.content-title .badge-tag {
    display: inline-block;
    padding: 8px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 25px;
    font-weight: 600;
    font-size: 0.9rem;
}

.content-title h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: #2c3e50;
    line-height: 1.2;
}

/* 联系信息列表 */
.contact-info-list {
    padding: 0;
    margin: 30px 0;
    list-style: none;
}

.contact-info-list li {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    padding: 25px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 3px 15px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.contact-info-list li:hover {
    transform: translateX(10px);
    box-shadow: 0 5px 25px rgba(102,126,234,0.15);
}

.contact-info-list .info-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
}

.contact-info-list .info-content h5 {
    font-size: 1.1rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 8px;
}

.contact-info-list .info-content p {
    color: #5a6c7d;
    margin: 0;
    line-height: 1.6;
}

.contact-info-list .info-content a {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.contact-info-list .info-content a:hover {
    color: #764ba2;
}

/* 社交媒体现代化 */
.social-link-modern h5 {
    font-size: 1.1rem;
    font-weight: 700;
    color: #2c3e50;
}

.social-profile-modern {
    display: flex;
    gap: 15px;
    padding: 0;
    margin: 0;
    list-style: none;
}

.social-profile-modern li a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background: white;
    color: #667eea;
    font-size: 1.5rem;
    transition: all 0.3s ease;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

.social-profile-modern li a:hover {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(102,126,234,0.3);
}

/* 现代化表单 */
.contact-form-modern {
    background: white;
    padding: 45px;
    border-radius: 25px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.08);
}

.contact-form-modern .form-header h3 {
    font-size: 2rem;
    font-weight: 800;
    color: #2c3e50;
    margin-bottom: 10px;
}

.contact-form-modern .form-header p {
    color: #5a6c7d;
}

.form-group-modern {
    margin-bottom: 0;
}

.form-group-modern label {
    display: block;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 10px;
    font-size: 0.95rem;
}

.form-group-modern label i {
    color: #667eea;
    margin-right: 8px;
}

.form-group-modern input,
.form-group-modern textarea,
.form-group-modern select {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid #e1e8ed;
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: white;
}

.form-group-modern input:focus,
.form-group-modern textarea:focus,
.form-group-modern select:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 4px rgba(102,126,234,0.1);
    outline: none;
}

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

.form-check-modern {
    padding-left: 0;
}

.form-check-modern input {
    width: 20px;
    height: 20px;
    margin-right: 10px;
    cursor: pointer;
}

.form-check-modern label {
    color: #5a6c7d;
    font-weight: 400;
    cursor: pointer;
}

.form-check-modern .link-primary {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
}

.form-check-modern .link-primary:hover {
    color: #764ba2;
    text-decoration: underline;
}

.btn-modern-primary {
    padding: 18px 40px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 12px;
    color: white;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.btn-modern-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(102,126,234,0.4);
}

/* FAQ卡片 */
.faq-quick-section {
    background: #f8f9fa;
}

.faq-card {
    background: white;
    padding: 30px;
    border-radius: 20px;
    height: 100%;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    border-left: 4px solid #667eea;
}

.faq-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    border-left-color: #764ba2;
}

.faq-card .faq-icon {
    width: 60px;
    height: 60px;
    border-radius: 15px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.8rem;
    margin-bottom: 20px;
}

.faq-card h5 {
    font-size: 1.2rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 12px;
}

.faq-card p {
    color: #5a6c7d;
    line-height: 1.7;
    margin: 0;
}

/* 响应式优化 */
@media (max-width: 991px) {
    .contact-content-modern {
        margin-bottom: 40px;
    }
    
    .content-title h2 {
        font-size: 2rem;
    }
    
    .contact-form-modern {
        padding: 30px 25px;
    }
}

@media (max-width: 767px) {
    .bg-gradient-purple {
        padding: 40px 0 !important;
    }
    
    .contact-info-card {
        margin-bottom: 20px;
    }
    
    .content-title h2 {
        font-size: 1.75rem;
    }
    
    .contact-form-modern .form-header h3 {
        font-size: 1.5rem;
    }
    
    .social-profile-modern {
        flex-wrap: wrap;
    }
}

/* ==============================================
   平台优势卡片
   ============================================== */
.advantage-card {
    background: white;
    padding: 40px 25px;
    border-radius: 15px;
    text-align: center;
    height: 100%;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
}

.advantage-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.advantage-icon {
    font-size: 3.5rem;
    margin-bottom: 20px;
}

.advantage-card h4 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #333;
    font-weight: bold;
}

.advantage-card p {
    color: #666;
    line-height: 1.8;
    font-size: 1rem;
}

/* ==============================================
   使用流程卡片
   ============================================== */
.step-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 40px 25px;
    border-radius: 15px;
    text-align: center;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.step-card:before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: rgba(255,255,255,0.05);
    transform: rotate(45deg);
}

.step-number {
    width: 60px;
    height: 60px;
    background: white;
    color: #667eea;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: bold;
    margin-bottom: 20px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.step-card h4 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: white;
    font-weight: bold;
}

.step-card p {
    color: rgba(255,255,255,0.95);
    line-height: 1.8;
    font-size: 1rem;
}

/* ==============================================
   数据统计区域
   ============================================== */
.stat-item {
    color: white;
}

.stat-number {
    font-size: 3.5rem;
    font-weight: bold;
    margin-bottom: 10px;
    text-shadow: 0 3px 10px rgba(0,0,0,0.2);
    animation: countUp 0.6s ease-out;
}

.stat-label {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.95);
}

/* ==============================================
   领域卡片样式
   ============================================== */
.domain-card {
    display: block;
    height: 100%;
    transition: transform 0.3s ease;
}

.domain-card:hover {
    transform: translateY(-10px);
}

.domain-card-inner {
    padding: 40px 30px;
    border-radius: 20px;
    color: white;
    height: 100%;
    box-shadow: 0 10px 40px rgba(0,0,0,0.15);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.domain-card-inner:before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 150px;
    height: 150px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    transform: translate(50%, -50%);
}

.domain-card:hover .domain-card-inner {
    box-shadow: 0 15px 50px rgba(0,0,0,0.25);
}

.domain-icon {
    font-size: 4rem;
    margin-bottom: 20px;
    filter: drop-shadow(0 5px 10px rgba(0,0,0,0.2));
}

.domain-card-inner h3 {
    color: white;
    font-size: 1.8rem;
    margin-bottom: 15px;
    font-weight: bold;
}

.domain-desc {
    color: rgba(255,255,255,0.9);
    font-size: 1rem;
    margin-bottom: 20px;
    line-height: 1.6;
}

.domain-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 25px;
}

.feature-tag {
    background: rgba(255,255,255,0.2);
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.85rem;
    color: white;
    border: 1px solid rgba(255,255,255,0.3);
}

.domain-stats {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.2);
}

.domain-stats div {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.9);
}

.domain-stats strong {
    font-size: 1.3rem;
    display: block;
    margin-bottom: 5px;
}

.explore-btn {
    background: white;
    color: #333;
    padding: 12px 25px;
    border-radius: 25px;
    font-weight: bold;
    text-align: center;
    transition: all 0.3s ease;
}

.domain-card:hover .explore-btn {
    background: rgba(255,255,255,0.95);
    transform: translateX(5px);
}

/* ==============================================
   案例展示卡片
   ============================================== */
.case-showcase-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    height: 100%;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.case-showcase-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.case-badge {
    display: inline-block;
    color: white;
    padding: 6px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: bold;
    margin-bottom: 20px;
}

.case-showcase-card h4 {
    font-size: 1.3rem;
    color: #333;
    margin-bottom: 15px;
    font-weight: bold;
}

.case-showcase-card p {
    color: #666;
    line-height: 1.8;
    margin-bottom: 20px;
}

.case-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.case-tags span {
    background: #f0f0f0;
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.85rem;
    color: #666;
}

/* ==============================================
   页脚实时数据统计
   ============================================== */
.footer-stats-wrap {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 40px 0;
    margin-bottom: 0;
    position: relative;
    overflow: hidden;
}

/* 添加装饰性背景元素 */
.footer-stats-wrap:before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: rgba(255,255,255,0.05);
    border-radius: 50%;
}

.footer-stats-wrap:after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: rgba(255,255,255,0.05);
    border-radius: 50%;
}

.footer-stat-item {
    text-align: center;
    color: white;
    padding: 20px 10px;
    position: relative;
    z-index: 1;
}

.footer-stat-icon {
    font-size: 2.5rem;
    margin-bottom: 10px;
    opacity: 0.9;
}

.footer-stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 5px;
    text-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.footer-stat-label {
    font-size: 0.95rem;
    color: rgba(255,255,255,0.9);
    font-weight: 500;
}

.footer-stat-trend {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.8);
    margin-top: 5px;
}

.footer-stat-trend.up {
    color: #4ade80;
}

.loading-skeleton {
    background: rgba(255,255,255,0.2);
    border-radius: 5px;
    display: inline-block;
    height: 40px;
    width: 80px;
    animation: pulse 1.5s infinite;
}

/* ==============================================
   页脚主体内容美化
   ============================================== */
.footer-main-content {
    background: linear-gradient(180deg, #1a1a2e 0%, #16213e 100%);
    position: relative;
    overflow: hidden;
}

/* 品牌Logo样式 */
.footer-brand {
    color: white;
    font-size: 1.8rem;
    font-weight: bold;
    margin-bottom: 15px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 订阅区域美化 */
.footer-subscribe {
    margin-top: 25px;
    padding: 20px;
    background: rgba(255,255,255,0.05);
    border-radius: 10px;
    border: 1px solid rgba(255,255,255,0.1);
}

.footer-subscribe h4 {
    color: white;
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.footer-subscribe .subscribe-desc {
    color: rgba(255,255,255,0.7);
    font-size: 0.9rem;
    margin-bottom: 15px;
}

.footer-subscribe .newsletter-form {
    display: flex;
    gap: 10px;
}

.footer-subscribe .newsletter-form input {
    flex: 1;
    padding: 12px 15px;
    border: 1px solid rgba(255,255,255,0.2);
    background: rgba(255,255,255,0.1);
    border-radius: 8px;
    color: white;
    font-size: 0.9rem;
}

.footer-subscribe .newsletter-form input::placeholder {
    color: rgba(255,255,255,0.5);
}

.footer-subscribe .newsletter-form button {
    padding: 12px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 8px;
    color: white;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 5px;
}

.footer-subscribe .newsletter-form button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102,126,234,0.4);
}

/* Widget标题美化 */
.footer-widget-title {
    color: white !important;
    font-size: 1.2rem !important;
    margin-bottom: 20px !important;
    position: relative;
    padding-left: 30px;
    font-weight: 600 !important;
}

.footer-widget-title i {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.3rem;
    color: #667eea;
}

/* 导航链接美化 */
.footer-menu li a {
    color: rgba(255,255,255,0.7) !important;
    padding: 8px 0 !important;
    display: flex !important;
    align-items: center;
    gap: 10px;
    transition: all 0.3s ease !important;
}

.footer-menu li a i {
    color: #667eea;
    font-size: 1.1rem;
}

.footer-menu li a:hover {
    color: white !important;
    padding-left: 10px !important;
}

/* 联系信息美化 */
.contact-info li {
    display: flex;
    gap: 15px;
    margin-bottom: 20px !important;
    align-items: flex-start;
}

.contact-info li i {
    color: #667eea !important;
    font-size: 1.5rem !important;
    margin-top: 3px;
    min-width: 24px;
}

.contact-detail {
    flex: 1;
}

.contact-detail strong {
    display: block;
    color: white;
    font-size: 0.95rem;
    margin-bottom: 5px;
    font-weight: 600;
}

.contact-detail p,
.contact-detail a {
    color: rgba(255,255,255,0.7) !important;
    font-size: 0.9rem;
    display: block;
    margin-bottom: 3px;
    transition: color 0.3s ease;
}

.contact-detail a:hover {
    color: #667eea !important;
}

/* 社交媒体美化 */
.footer-social {
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-social h4 {
    color: white;
    font-size: 1rem;
    margin-bottom: 15px;
}

.footer-social .social-profile {
    display: flex;
    gap: 10px;
}

.footer-social .social-profile li a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 8px;
    color: white !important;
    transition: all 0.3s ease;
}

.footer-social .social-profile li a:hover {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-color: transparent;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(102,126,234,0.4);
}

/* 版权信息区域美化 */
.footer-bottom {
    background: #0f0f1e;
    padding: 25px 0;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.copyright-text {
    color: rgba(255,255,255,0.6) !important;
    font-size: 0.9rem;
    margin: 0 !important;
    display: flex;
    align-items: center;
    gap: 5px;
}

.copyright-text a {
    color: white !important;
    font-weight: 500;
    transition: color 0.3s ease;
}

.copyright-text a:hover {
    color: #667eea !important;
}

.beian-link {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 5px 12px;
    background: rgba(255,255,255,0.05);
    border-radius: 5px;
    transition: all 0.3s ease;
}

.beian-link:hover {
    background: rgba(255,255,255,0.1);
}

/* 响应式优化 */
@media (max-width: 768px) {
    .footer-stat-item {
        margin-bottom: 20px;
    }
    
    .footer-stat-number {
        font-size: 2rem;
    }
    
    .footer-brand {
        font-size: 1.5rem;
    }
    
    .footer-subscribe .newsletter-form {
        flex-direction: column;
    }
    
    .footer-subscribe .newsletter-form button {
        width: 100%;
        justify-content: center;
    }
    
    .footer-bottom .row {
        text-align: center !important;
    }
    
    .footer-bottom .col-lg-6 {
        margin-bottom: 10px;
    }
    
    .copyright-text {
        justify-content: center;
        flex-wrap: wrap;
    }
}

@media (max-width: 576px) {
    .footer-widget-title {
        font-size: 1.1rem !important;
    }
    
    .footer-menu li a {
        font-size: 0.9rem;
    }
    
    .contact-info li {
        font-size: 0.85rem;
    }
}

/* ==============================================
   响应式设计
   ============================================== */
@media (max-width: 768px) {
    .advantage-card,
    .step-card,
    .domain-card-inner,
    .case-showcase-card {
        margin-bottom: 20px;
    }
    
    .stat-number,
    .footer-stat-number {
        font-size: 2.5rem;
    }
    
    .domain-icon {
        font-size: 3rem;
    }
    
    .advantage-icon {
        font-size: 2.5rem;
    }
    
    .hero-content h1 {
        font-size: 2rem !important;
    }
    
    .hero-content p {
        font-size: 1rem !important;
    }
}

/* ==============================================
   平滑滚动
   ============================================== */
html {
    scroll-behavior: smooth;
}

/* ==============================================
   按钮增强
   ============================================== */
.btn {
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn:before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255,255,255,0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover:before {
    width: 300px;
    height: 300px;
}

.btn:active {
    transform: scale(0.95);
}

/* ==============================================
   加载动画优化
   ============================================== */
[data-aos] {
    pointer-events: auto;
}