body {
    padding-top: 86px;
    font-family: "Microsoft JHengHei", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-weight: 400;
    line-height: 1.6;
    background-color: #f8fafc;
}

.navbar-brand img {
    width: 40px;
    border-radius: 8px;
}

.clogin-header-logo-black {
    display: none;
}

.clogin-header-white .clogin-header-logo-white {
    display: none;
}

.clogin-header-white .clogin-header-logo-black {
    display: block;
}

@media (min-width: 750px) {
    .navbar-expand-lg .navbar-nav .nav-link {
        padding-right: 20px;
        padding-left: 20px;
        border-radius: 20px;
        margin: 0 5px;
        transition: all 0.3s ease;
    }

    .navbar-expand-lg .navbar-nav .nav-link:hover {
        background-color: rgba(255, 255, 255, 0.2);
        transform: translateY(-2px);
    }

    .navbar-nav .nav-item:last-child .nav-link {
        padding-right: 20px;
    }
}

.clogin-header {
    position: fixed;
    top: 0px;
    left: 0px;
    width: 100%;
    padding: 15px 0;
    z-index: 99999;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    border-radius: 0 0 20px 20px;
    box-shadow: 0 8px 32px rgba(31, 38, 135, 0.37);
}

.clogin-header .navbar-expand-lg .navbar-nav .dropdown-menu {
    border: none;
    border-radius: 15px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
}

.clogin-header a {
    color: #ffffff!important;
    font-weight: 500;
}

.clogin-header.clogin-header-white {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 8px 32px rgba(31, 38, 135, 0.15);
}

.clogin-header.clogin-header-white a {
    color: #4a5568!important;
}

.clogin-section {
    padding: 80px 0;
}

.clogin-footer {
    background: linear-gradient(135deg, #2d3748 0%, #4a5568 100%);
    color: #a0aec0;
    padding: 30px 15px;
    border-radius: 20px 20px 0 0;
}

.clogin-footer a {
    color: #81c784;
    text-decoration: none;
    transition: color 0.3s ease;
}

.clogin-footer a:hover {
    color: #66bb6a;
}

/* 区块标题 */
.clogin-section-title h2 {
    color: #2d3748;
    font-weight: 700;
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
}

.clogin-section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 2px;
}

.clogin-section-title span {
    font-size: 16px;
    color: #718096;
    border-bottom: 3px double #e2e8f0;
}

.clogin-section-title {
    margin-bottom: 50px;
}

/* banner */
.clogin-banner {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
}

.clogin-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 100" fill="%23ffffff" opacity="0.1"><polygon points="1000,100 1000,0 0,100"/></svg>') no-repeat;
    background-size: cover;
}

.clogin-banner .banner-title {
    padding: 80px 0 120px;
    color: #fff;
    position: relative;
    z-index: 2;
}

.clogin-banner .row {
    margin-left: 0px;
    margin-right: 0px;
}

.clogin-banner img {
    max-height: 330px;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    transform: perspective(1000px) rotateY(-5deg);
    transition: transform 0.3s ease;
}

.clogin-banner img:hover {
    transform: perspective(1000px) rotateY(0deg) scale(1.02);
}

.clogin-banner h1 {
    margin: 20px;
    text-shadow: 0px 2px 10px rgba(0, 0, 0, 0.3);
    font-weight: 700;
    font-size: 3rem;
}

.clogin-banner p {
    margin-bottom: 40px;
    font-size: 1.2rem;
    opacity: 0.9;
}

.clogin-banner .clogin-banner-buttons a {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: none;
    border-radius: 50px;
    padding: 15px 30px;
    margin: 0 10px;
    color: #4a5568;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.clogin-banner .clogin-banner-buttons a:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
    background: #ffffff;
    color: #2d3748;
}

/* 区块 - 系统简介 */
.clogin-section.clogin-info {
    background: #ffffff;
    border-radius: 30px;
    margin: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.clogin-section.clogin-info p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #4a5568;
    text-align: justify;
    padding: 20px;
    border-radius: 15px;
    background: #f7fafc;
    border-left: 5px solid #667eea;
}

/* 区块 - 功能列表 */
.clogin-section.clogin-functions {
    background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
}

.clogin-section.clogin-functions .row>div i {
    color: #667eea;
    font-size: 59px;
    margin-top: 20px;
}

.clogin-section.clogin-functions .row>div h2 {
    font-size: 20px;
    margin-top: 5px;
    color: #2d3748;
    font-weight: 600;
}

.clogin-section.clogin-functions .row>div p {
    font-size: 14px;
    color: #718096;
    padding: 0 10px;
    margin-bottom: 30px;
}

.clogin-section.clogin-functions .row {
    margin-left: 0px;
    margin-right: 0px;
}

/* 区块 - 下面的链接 */
.clogin-section.clogin-links {
    background: linear-gradient(135deg, #edf2f7 0%, #e2e8f0 100%);
    border-radius: 20px;
    margin: 20px;
}

.clogin-section.clogin-links .clogin-links-title {
    font-size: 27px;
    color: #4a5568;
    margin: 0px 0 30px;
    font-weight: 700;
}

.clogin-links-box .clogin-links-item {
    background: #fff;
    border-radius: 20px;
    padding: 30px 20px;
    text-align: center;
    margin-bottom: 30px;
    transition: all 0.3s ease;
    border: 1px solid #e2e8f0;
    position: relative;
    overflow: hidden;
}

.clogin-links-box .clogin-links-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.1), transparent);
    transition: left 0.5s ease;
}

.clogin-links-box .clogin-links-item:hover::before {
    left: 100%;
}

.clogin-links-box .clogin-links-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.2);
    border-color: #667eea;
}

.clogin-links-box .clogin-links-item i {
    font-size: 50px;
    color: #667eea;
    width: 100%;
    padding: 30px 0;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.clogin-links-box .clogin-links-item h2 {
    font-size: 22px;
    color: #2d3748;
    font-weight: 600;
    margin-bottom: 15px;
}

.clogin-links-box .clogin-links-item p {
    font-size: 13px;
    margin: 0;
    margin-bottom: 20px;
    color: #718096;
    line-height: 1.6;
}

.clogin-section .um-uapp-insight-card {
    box-sizing: border-box;
    color: #4a5568;
    margin-bottom: 60px;
    width: 100%;
    background: #ffffff;
    border-radius: 25px;
    padding: 40px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid #e2e8f0;
}

.clogin-section .um-uapp-insight-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.12);
}

.clogin-section .um-uapp-insight-card.l-pic-r-word .um-uapp-insight-card-imgwrap {
    float: left;
}

.clogin-section .um-uapp-insight-card.l-pic-r-word .um-uapp-insight-card-content {
    float: right;
    position: relative;
    padding-left: 40px;
}

.clogin-section .um-uapp-insight-card.r-pic-l-word .um-uapp-insight-card-imgwrap {
    float: right;
}

.clogin-section .um-uapp-insight-card.r-pic-l-word .um-uapp-insight-card-content {
    float: left;
    padding-right: 40px;
}

.clogin-section .um-uapp-insight-card .um-uapp-insight-card-img {
    display: block;
    height: 212px;
    width: 516px;
    margin: 0 auto;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.clogin-section .um-uapp-insight-card .um-uapp-insight-card-img:hover {
    transform: scale(1.02);
}

.clogin-section .um-uapp-insight-card .um-uapp-insight-card-imgwrap {
    width: auto;
}

.clogin-section .um-uapp-insight-card .um-uapp-insight-card-content {
    width: 540px;
    margin-top: 40px;
}

.clogin-section .um-uapp-insight-card .um-uapp-insight-card-content .um-uapp-insight-card-title {
    font-size: 24px;
    color: #2d3748;
    letter-spacing: 0;
    line-height: 32px;
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    font-weight: 700;
}

.clogin-section .um-uapp-insight-card .um-uapp-insight-card-content .um-uapp-insight-card-subtitle {
    font-size: 14px;
    margin: 10px 0;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    color: #718096;
}

.clogin-section .um-uapp-insight-card .um-uapp-insight-card-content .um-uapp-insight-card-desc {
    font-size: 16px;
    color: #4a5568;
    letter-spacing: 0;
    text-align: justify;
    line-height: 28px;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
    text-overflow: ellipsis;
}

.clogin-section .um-uapp-insight-card .um-uapp-insight-card-content a {
    display: inline-block;
    margin-top: 20px;
    color: #667eea;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
}

.clogin-section .um-uapp-insight-card .um-uapp-insight-card-content a:hover {
    transform: translateX(5px);
}

/* 响应式设计优化 */
@media screen and (max-width: 750px) {
    .clogin-banner h1 {
        font-size: 2.5rem;
    }
    
    .clogin-section {
        padding: 60px 0;
    }
    
    .clogin-section.clogin-info,
    .clogin-section.clogin-links {
        margin: 10px;
        border-radius: 20px;
    }
    
    .clogin-section .um-uapp-insight-card {
        padding: 25px;
        margin-bottom: 40px;
    }

    .clogin-section .um-uapp-insight-card.l-pic-r-word .um-uapp-insight-card-content {
        left: 0;
        padding-left: 0;
    }

    .clogin-section .um-uapp-insight-card {
        height: auto;
    }

    .clogin-section .um-uapp-insight-card:not(:last-child) {
        margin-bottom: 50px;
    }

    .clogin-section .um-uapp-insight-card.l-pic-r-word .um-uapp-insight-card-content,
    .clogin-section .um-uapp-insight-card.l-pic-r-word .um-uapp-insight-card-imgwrap {
        padding-left: 0;
        float: none;
    }

    .clogin-section .um-uapp-insight-card.r-pic-l-word .um-uapp-insight-card-content,
    .clogin-section .um-uapp-insight-card.r-pic-l-word .um-uapp-insight-card-imgwrap {
        padding-right: 0;
        float: none!important;
    }

    .clogin-section .um-uapp-insight-card .um-uapp-insight-card-imgwrap {
        width: 90%!important;
        height: auto!important;
        margin: 0 auto 30px!important;
    }

    .clogin-section .um-uapp-insight-card .um-uapp-insight-card-imgwrap .um-uapp-insight-card-img {
        height: auto;
        width: 100%;
    }

    .clogin-section .um-uapp-insight-card .um-uapp-insight-card-content {
        width: 100%!important;
        margin: 0 auto!important;
    }
}

/* 滚动动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.8s ease forwards;
}

/* 加载动画 */
.loading-shimmer {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}