/* 通用标题样式 */
.section-title {
    font-size: 3.5rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

.section-subtitle {
    font-size: 1.6rem;
    color: var(--text-color);
    margin-bottom: 4rem;
    line-height: 1.6;
}

/* 通用卡片样式 */
.card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 1.5rem;
    box-shadow: 0 10px 30px rgba(231, 76, 60, 0.1);
    border: 1px solid rgba(231, 76, 60, 0.1);
    transition: all 0.4s ease;
}

.card:hover {
    box-shadow: 0 15px 40px rgba(231, 76, 60, 0.15);
    transform: translateY(-5px);
}

/* 通用按钮样式 */
.btn {
    padding: 1.2rem 3rem;
    font-size: 1.2rem;
    border-radius: 2rem;
    transition: all 0.3s ease;
    text-decoration: none;
    font-weight: 500;
    letter-spacing: 0.5px;
    text-align: center;
    min-width: 200px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    border: none;
    box-shadow: 0 4px 15px rgba(231, 76, 60, 0.3);
}

.btn-primary:hover {
    background-color: #d44335;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(231, 76, 60, 0.4);
}

.btn-outline {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    background-color: transparent;
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(231, 76, 60, 0.2);
}

.btn-icon {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1rem;
    font-size: 0.9rem;
    opacity: 0.8;
    transition: all 0.3s ease;
    min-width: auto;
}

.btn-icon:not(:disabled):hover {
    opacity: 1;
}

.btn-icon:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .section-title {
        font-size: 2.5rem;
        margin-bottom: 1rem;
    }

    .section-subtitle {
        font-size: 1.2rem;
        margin-bottom: 2rem;
    }

    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .section-title {
        font-size: 2.2rem;
    }

    .section-subtitle {
        font-size: 1.1rem;
    }
}