/* ==================== 页面头部 Header (独立样式) ==================== */
.page-header {
    height: 60vh;
    min-height: 400px;
    background-color: var(--bg-dark); /* 调用全局变量 */
    margin-top: 0;
    padding-top: var(--nav-height);
    background-image: linear-gradient(180deg, rgba(15, 23, 42, 0.8) 0%, #0f172a 100%), 
                      url('https://placehold.co/1920x600/1e293b/fff?text=Services+Header+BG');
    background-size: cover;
    background-position: center;
}

/* ==================== 业务板块布局 ==================== */
.service-icon {
    width: 80px;
    height: 80px;
    background-color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.05);
}

.text-indigo { color: #6610f2; }

/* 比较框样式 */
.comparison-box {
    border: 1px solid rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
}

.comparison-box:hover {
    transform: translateY(-5px);
}

/* 中间分隔线 (大屏幕下显示) */
@media (min-width: 768px) {
    .border-end-md {
        border-right: 1px solid rgba(0,0,0,0.1);
    }
}

/* 图片容器 */
.img-wrapper img {
    width: 100%;
    transition: transform 0.5s ease;
}

.img-wrapper:hover img {
    transform: scale(1.05);
}

/* ==================== 流程图样式 (Process) ==================== */
.process-wrapper {
    position: relative;
}

.process-line {
    position: absolute;
    top: 40px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, 
        rgba(255,255,255,0) 0%, 
        rgba(255,255,255,0.2) 20%, 
        rgba(255,255,255,0.2) 80%, 
        rgba(255,255,255,0) 100%);
    z-index: 0;
}

.process-step {
    width: 70px;
    height: 70px;
    background-color: rgba(255,255,255,0.1); /* fallback */
    backdrop-filter: blur(5px);
    position: relative; /* 覆盖在连线上 */
    z-index: 1;
    border: 1px solid rgba(255,255,255,0.1);
    transition: all 0.3s ease;
}

.process-step:hover {
    background-color: var(--primary-color);
    color: #fff !important;
    transform: scale(1.1);
    box-shadow: 0 0 20px rgba(13, 110, 253, 0.5);
}

/* ==================== FAQ 样式修正 ==================== */
.accordion-button:not(.collapsed) {
    background-color: rgba(13, 110, 253, 0.05); /* 展开时浅蓝背景 */
    color: var(--primary-color);
    box-shadow: none;
}

.accordion-button:focus {
    box-shadow: none;
    border-color: rgba(0,0,0,0.1);
}