.main-content-area {
    width: 100%;
    background: linear-gradient(to bottom, #f8f9fa 0%, #ffffff 100%);
    padding: 60px 0;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.content-wrapper {
    display: flex;
    justify-content: center;
}

.site-main {
    width: 100%;
    max-width: 100%;
    background: transparent;
    box-shadow: none;
    border-radius: 0;
}

.fzlc_title {
    font-size: 28px;
    font-weight: bold;
    margin-bottom: 40px;
    text-align: left;
    color: #666666;
}

/* 标题区域样式 */
.fzlc_mess {
    text-align: center;
    margin-bottom: 80px;
    position: relative;
    padding: 60px 20px;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(30, 60, 114, 0.2);
    overflow: hidden;
}

.fzlc_mess::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: shimmer 15s infinite linear;
}

@keyframes shimmer {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.fzlcTit {
    margin-bottom: 25px;
    position: relative;
    z-index: 1;
}

.fzlcTit .newBlank {
    font-size: 42px;
    color: #ffffff;
    font-weight: 700;
    letter-spacing: 2px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
    display: inline-block;
    position: relative;
}

.fzlcTit .newBlank::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(to right, transparent, rgba(255,255,255,0.8), transparent);
    border-radius: 2px;
}

.fzlcDesc {
    font-size: 16px;
    line-height: 2;
    color: rgba(255,255,255,0.95);
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.1);
}

/* 证书展示区域 */
.ryzzBox {
    margin-bottom: 60px;
}

.ryzzRow {
    text-align: center;
}

.ryzzRow_title {
    font-size: 32px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 60px;
    position: relative;
    display: inline-block;
    color: #2c3e50;
    letter-spacing: 1px;
}

.ryzzRow_title::before {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(to right, #1e3c72, #2a5298);
    border-radius: 2px;
}

.ryzzRow_title::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 8px;
    height: 8px;
    background: #1e3c72;
    border-radius: 50%;
}

.ryzz_list {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    margin: 0 auto;
    max-width: 1400px;
}

.ryzz_item {
    flex: 1 1 calc(25% - 23px);
    min-width: 260px;
    max-width: calc(25% - 23px);
    background: #ffffff;
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    cursor: pointer;
}

.ryzz_item:hover {
    transform: translateY(-12px);
    box-shadow: 0 12px 40px rgba(30, 60, 114, 0.25);
}

.ryzz_imgbox {
    width: 100%;
    height: 280px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

.ryzz_imgbox::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(30, 60, 114, 0) 0%, rgba(42, 82, 152, 0.1) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.ryzz_item:hover .ryzz_imgbox::before {
    opacity: 1;
}

.ryzz_imgbox img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.1));
}

.ryzz_item:hover .ryzz_imgbox img {
    transform: scale(1.08);
}

.ryzzMess {
    background: #ffffff;
    padding: 24px 20px;
    position: relative;
}

.ryzzMess::before {
    display: none;
}

.ryzz_name {
    display: none;
}

.ryzz_title {
    font-size: 16px;
    color: #2c3e50;
    font-weight: 600;
    line-height: 1.6;
    transition: color 0.3s ease;
    position: relative;
    display: inline-block;
}

.ryzz_item:hover .ryzz_title {
    color: #1e3c72;
}

.ryzz_title::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(to right, #1e3c72, #2a5298);
    transition: width 0.3s ease;
}

.ryzz_item:hover .ryzz_title::after {
    width: 100%;
}

/* 响应式布局 */
@media (max-width: 1200px) {
    .ryzz_item {
        flex: 1 1 calc(33.333% - 20px);
        max-width: calc(33.333% - 20px);
    }
    
    .fzlcTit .newBlank {
        font-size: 36px;
    }
    
    .ryzzRow_title {
        font-size: 28px;
    }
}

@media (max-width: 912px) {
    .ryzz_item {
        flex: 1 1 calc(50% - 15px);
        max-width: calc(50% - 15px);
    }
    
    .ryzz_list {
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .main-content-area {
        padding: 40px 0;
    }
    
    .fzlc_mess {
        margin-bottom: 50px;
        padding: 40px 20px;
        border-radius: 15px;
    }
    
    .fzlcTit .newBlank {
        font-size: 28px;
    }
    
    .fzlcDesc {
        font-size: 14px;
    }
    
    .ryzzRow_title {
        font-size: 24px;
        margin-bottom: 40px;
    }
    
    .ryzz_item {
        flex: 1 1 calc(50% - 15px);
        max-width: calc(50% - 15px);
        min-width: auto;
    }
    
    .ryzz_imgbox {
        height: 220px;
    }
}

@media (max-width: 480px) {
    .fzlc_mess {
        padding: 30px 15px;
        margin-bottom: 40px;
    }
    
    .fzlcTit .newBlank {
        font-size: 24px;
        letter-spacing: 1px;
    }
    
    .fzlcDesc {
        font-size: 13px;
        line-height: 1.8;
    }
    
    .ryzzRow_title {
        font-size: 20px;
    }
    
    .ryzz_list {
        gap: 20px;
    }
    
    .ryzz_item {
        flex: 1 1 100%;
        max-width: 100%;
    }
    
    .ryzz_imgbox {
        height: 200px;
    }
    
    .ryzzMess {
        padding: 20px 15px;
    }
}

/* 添加加载动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.ryzz_item {
    animation: fadeInUp 0.6s ease-out;
    animation-fill-mode: both;
}

.ryzz_item:nth-child(1) { animation-delay: 0.1s; }
.ryzz_item:nth-child(2) { animation-delay: 0.2s; }
.ryzz_item:nth-child(3) { animation-delay: 0.3s; }
.ryzz_item:nth-child(4) { animation-delay: 0.4s; }
.ryzz_item:nth-child(5) { animation-delay: 0.5s; }
.ryzz_item:nth-child(6) { animation-delay: 0.6s; }