/* 预加载隐藏 */
.preload-hidden {
    opacity: 0;
}

/* 通用板块标题样式 */
.section-title {
    text-align: center;
    margin-bottom: 4rem;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.8s ease;
}

/* 唯梦风格：滚动触发动画 */
.section-title.animate {
    opacity: 1;
    transform: translateY(0);
}

.section-title h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 1rem;
    /* 唯梦风格：标题渐变 */
    background: linear-gradient(135deg, #1a1a1a 0%, #475569 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-title p {
    color: #666;
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto;
}

/* 通用按钮样式 - 主按钮 */
.main-button {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    border: none;
    padding: 1rem 2.5rem;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    color: white;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    text-decoration: none;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.2);
    margin-bottom: 2rem;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease forwards 0.6s;
    /* 唯梦风格：按钮3D效果 */
    position: relative;
    overflow: hidden;
}

/* 唯梦风格：按钮流光效果 */
.main-button::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: 0.6s;
}

.main-button:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.3);
    color: white;
}

.main-button:hover::before {
    left: 100%;
}

.badge {
    background: rgba(255, 255, 255, 0.2);
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.75rem;
    margin-left: 0.75rem;
    font-weight: 500;
}

/* 流程按钮样式 */
.process-btn {
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    border: none;
    padding: 1.2rem 3rem;
    border-radius: 10px;
    font-size: 1.2rem;
    font-weight: 600;
    color: white;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    text-decoration: none;
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.3);
    margin-top: 2rem;
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.8s ease 0.3s;
}

.process-btn:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 12px 30px rgba(59, 130, 246, 0.4);
    color: white;
}

.process-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: 0.5s;
}

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

/* CTA按钮样式 */
.cta-button {
    background: white;
    color: #3b82f6;
    border: none;
    padding: 1rem 3rem;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}

.cta-button:hover {
    transform: translateY(-2px) scale(1.03);
    box-shadow: 0 12px 25px rgba(0,0,0,0.15);
    color: #2563eb;
}

/* 滚动触发动画通用类 */
.key-feature-item.animate,
.process-step.animate,
.advantage-card.animate,
.service-card.animate,
.process-btn.animate,
.cta-box.animate {
    opacity: 1;
    transform: translateY(0);
}