/* Business Advantage Section */
.biz-advantage-section {
    background-color: #f8fbff;
    padding-top: 72px;
    padding-bottom: 72px;
}

.biz-title {
    font-size: 32px;
    font-weight: 700;
    color: #333;
    position: relative;
    display: inline-block;
    padding: 0 40px;
}

.biz-title::before,
.biz-title::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 30px;
    height: 2px;
    background-color: #1292ee;
    transform: translateY(-50%);
}

.biz-title::before {
    left: 0;
    box-shadow: -5px 0 0 #1292ee;
}

.biz-title::after {
    right: 0;
    box-shadow: 5px 0 0 #1292ee;
}

.biz-card {
    background: #fff;
    border-radius: 20px;
    padding: 40px 30px;
    box-shadow: 0 10px 30px rgba(18, 146, 238, 0.05);
    height: 100%;
    transition: all 0.3s ease;
    border-bottom: 5px solid transparent;
}

.biz-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(18, 146, 238, 0.1);
}

.biz-card.border-green {
    border-bottom-color: #4CAF50;
}

.biz-card.border-cyan {
    border-bottom-color: #4DD0E1;
}

.biz-card.border-yellow {
    border-bottom-color: #FFD54F;
}

.advantage-label {
    display: block;
    font-size: 14px;
    color: #aaa;
    margin-bottom: 10px;
}

.advantage-title {
    font-size: 28px;
    font-weight: 800;
    color: #333;
    margin-bottom: 30px;
    letter-spacing: 1px;
}

.card-content p {
    font-size: 16px;
    color: #666;
    margin-bottom: 15px;
    line-height: 1.6;
}

/* Badge Styling */
.biz-badge {
    position: absolute;
    top: -20px;
    right: -20px;
    z-index: 10;
}

.badge-inner {
    width: 90px;
    height: 90px;
    background: radial-gradient(circle at 30% 30%, #ffd08c, #f4a261);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #fff;
    text-align: center;
    box-shadow: 0 5px 15px rgba(244, 162, 97, 0.4);
    border: 2px dashed rgba(255, 255, 255, 0.5);
    transform: rotate(15deg);
}

.badge-inner span {
    font-size: 10px;
    transform: scale(0.8);
    opacity: 0.9;
}

.badge-inner strong {
    font-size: 16px;
    line-height: 1.2;
    margin: 2px 0;
}

.badge-inner .stars {
    font-size: 10px;
    letter-spacing: 1px;
}

/* Qualification Cards Section */
.platform-qual-section {
    background: radial-gradient(circle at center, #f8fbff 0%, #eef6ff 100%);
    padding: 100px 0;
}

.qual-card {
    background: #fff;
    border-radius: 15px;
    padding: 20px 25px;
    display: flex;
    align-items: center;
    box-shadow: 0 10px 30px rgba(0, 72, 255, 0.05);
    height: 100%;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    z-index: 1;
    border-bottom: 4px solid #0072ff;
}

.qual-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 114, 255, 0.1);
}

/* Watermark styles */
.qual-card::before {
    content: '';
    position: absolute;
    right: -10px;
    bottom: -10px;
    width: 120px;
    height: 120px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    opacity: 0.03;
    z-index: -1;
    pointer-events: none;
    filter: grayscale(1);
}

.wm-bili::before {
    background-image: url('../images/04-关于我们/platform-qualifications/Frame_282_3.png');
}

.wm-xhs::before {
    background-image: url('../images/04-关于我们/platform-qualifications/Frame_282_1.png');
}

.wm-tiktok::before {
    background-image: url('../images/04-关于我们/platform-qualifications/Frame_282.png');
}

.wm-tmall::before {
    background-image: url('../images/04-关于我们/platform-qualifications/Frame_282_2.png');
}

.wm-zhihu::before {
    background-image: url('../images/04-关于我们/platform-qualifications/Frame_282_4.png');
}

.wm-jd::before {
    background-image: url('../images/04-关于我们/platform-qualifications/Frame_282_5.png');
}

.qual-left {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 190px;
    padding-right: 0;
}

.qual-left .main-logo-bg {
    width: 76px;
    height: 76px;
    background-size: 140%;
    background-repeat: no-repeat;
    background-position: center;
    margin-bottom: 12px;
}

.qual-label {
    font-size: 14px;
    color: #333;
    font-weight: 500;
    text-align: center;
}

.qual-separator {
    width: 1px;
    height: 80px;
    background-color: #eee;
    margin: 0 25px;
}

.qual-right {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    align-items: center;
    padding-left: 0;
    gap: 15px 10px;
    max-width: 350px;
}

.sub-item {
    display: flex;
    align-items: center;
    margin: 0;
}

.sub-item .sub-icon {
    width: 46px;
    height: 46px;
    background-size: 170%;
    background-repeat: no-repeat;
    background-position: center;
    margin-right: 12px;
    flex-shrink: 0;
}

.sub-item span {
    font-size: 14px;
    color: #333;
    white-space: nowrap;
}

@media (max-width: 991px) {
    .qual-left {
        width: 140px;
    }
}

@media (max-width: 767px) {
    .qual-card {
        flex-direction: column;
        padding: 40px 20px;
    }

    .qual-left {
        width: 100%;
        padding-right: 0;
        margin-bottom: 20px;
    }

    .qual-separator {
        width: 60%;
        height: 1px;
        margin: 10px auto 20px;
    }

    .qual-right {
        padding-left: 0;
        justify-content: center;
    }
}