:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary: #0ea5e9;
    --accent: #8b5cf6;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --dark: #1e293b;
    --light: #f8fafc;
    --gray: #64748b;
    --card-bg: #ffffff;
    --card-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
    --border-radius: 16px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', 'Quicksand', sans-serif;
    background: url('image/bg.png');
    color: #1e293b;
    line-height: 1.6;
    /* overflow-x: hidden; */
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    max-height: 1000px;
    padding-top: 40px;
}



/* 头图 */
.hero {
    /* background:
         url('image/banner.jpg') center/cover no-repeat; */
    /* padding: 80px 20px; */
    text-align: center;
    color: white;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, transparent 0%, rgba(0, 0, 0, 0.5) 100%);
}

.hero .container {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding-top: 600px;

}

.video-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;

}

video {
    /* width: 100%; */
    height: 100%;
    /* object-fit: cover; */
}

.cta-btn {
    display: inline-block;
    /* background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%); */
    /* background-image: url('image/btn.png'); */
    /* background-position: center; */
    width: 170px;
    height: 60px;
    border-radius: 50px;
    opacity: 1;
    text-align: center;
    line-height: 60px;
    color: white;
    font-size: 1.5rem;
    /* box-sizing: border-box;
     border: 1.42px solid; */
    background: linear-gradient(90deg, #2962FF 0%, #76EDFF 100%);
    text-decoration: none;
    /* z-index: 2000; */
}



.cta-btn.secondary {
    background: white;
    color: var(--primary);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.cta-btn.secondary:hover {
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}





/* 通用区块样式 */

.container-bid {
    padding-top: 30px;
}





.index-section {
    padding: 50px 0;
}

/* .section:nth-child(even) {
    background: white;
} */



/* 功能卡片 */
.features-grid {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    /* margin-top: 20px; */
}

/* .private-deploy{
    gap: 30px;
    margin-top: 30px;
 } */



.feature-card {
    background: #E2F3FF;
    border-radius: var(--border-radius);
    padding: 25px 15px;
    box-shadow: var(--card-shadow);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(37, 99, 235, 0.1);
    text-align: center;
}



.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.private-deploy .feature-card {
    padding: 95px 30px;
}



.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-card .icon {
    /* font-size: 48px; */
    color: var(--primary);
    margin-bottom: 20px;
    display: inline-flex;
    /* background: rgba(37, 99, 235, 0.1); */
    /* width: 100px;
     height: 100px; */
    /* border-radius: 50%; */
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.feature-card .icon img {
    width: 110px;
    /* height: 100px; */
}

.feature-card:hover .icon {
    /* background: var(--primary); */
    color: white;
    /* background: rgba(37, 99, 235, 0.1); */
    transform: scale(1.1);
}

.feature-card h3 {
    font-size: 1.2rem;
    font-weight: 500;
    color: #0C357A;
    margin-bottom: 20px;
}

.feature-card p {
    color: var(--gray);
    line-height: 1.7;
    font-size: 1rem;
}

/* 评估统计 */
.evaluation-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 25px;
    /* margin: 20px 0; */
    width: 100%;

}

.stat-card {
    display: flex;
    background: linear-gradient(to bottom, #d7e5f3, #F3FDFD);
    padding: 15px;
}

.stat-card-left {
    width: 50%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.stat-card-icon {
    width: 50%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-card-icon img {
    height: 90px;
}

.stat-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    /* background: linear-gradient(90deg, var(--primary), var(--secondary)); */
    opacity: 0.8;
}

.stat-card:hover {
    transform: translateY(-5px);
    /* box-shadow: 0 12px 25px rgba(0, 0, 0, 0.1); */
}

.stat-value {
    font-size: 1.8rem;
    font-weight: 800;
    /* color: var(--primary); */
    margin-bottom: 10px;
    line-height: 1;
}

.stat-label {
    color: var(--gray);
    font-size: 1.1rem;
    font-weight: 500;
}

.color-primary {
    color: #906EFF;
}

/* 流程步骤 */
.process-flow {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    background-image: url('image/model_bg.png');
    background-size: cover;
    background-position: center;
    /*   margin: 50px 0; */
}

.process-step {
    /* background: var(--card-bg);
      border-radius: var(--border-radius); */
    /* padding: 35px 0; */
    padding-top: 20px;
    box-shadow: var(--card-shadow);
    text-align: center;
    position: relative;
    overflow: hidden;
    /* transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
      border: 1px solid rgba(37, 99, 235, 0.1); */
}

.step-icon {
    font-size: 56px;
    color: var(--primary);
    margin-bottom: 20px;
    /* transition: all 0.3s ease; */
    display: flex;
    padding: 0 50px;
}

.icon-item {
    flex: 1;
}

.step-icon-item:hover {
    transform: translateY(-8px);
}

.step-icon img {
    width: 110px
}

.icon-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
}

.step-content {
    display: flex;
    padding: 0 50px;
}

.step-content-item {
    flex: 1;
}


.step-icon {
    font-size: 56px;
    color: var(--primary);
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

.process-step:hover .step-icon {
    transform: scale(1.1);
    color: var(--secondary);
}

.step-title {
    color: var(--dark);
    font-weight: 700;
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.step-desc {
    color: var(--gray);
    font-size: 1rem;
    line-height: 1.6;
}

/* .private-deploy{
    padding-bottom: 100px;
} */


/* 报告预览 */
.report-preview {
    background: linear-gradient(135deg, var(--dark) 0%, #0f172a 100%);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    margin-top: 50px;
    transition: all 0.4s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.report-preview:hover {
    transform: translateY(-5px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
}

.report-header {
    padding: 22px 30px;
    background: rgba(255, 255, 255, 0.08);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.report-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: white;
    display: flex;
    align-items: center;
}

.report-title i {
    margin-right: 12px;
    color: var(--success);
}

.report-content {
    display: flex;
    padding: 0;
    flex-wrap: wrap;
}

.report-stats {
    padding: 30px;
    background: rgba(255, 255, 255, 0.03);
    flex: 1;
    min-width: 300px;
    border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.report-details {
    padding: 30px;
    flex: 1;
    min-width: 300px;
}

.score {
    text-align: center;
    margin-bottom: 30px;
}

.score-value {
    font-size: 4.5rem;
    font-weight: 800;
    color: var(--success);
    line-height: 1;
    margin-bottom: 8px;
    text-shadow: 0 0 15px rgba(16, 185, 129, 0.3);
}

.score-label {
    color: #94a3b8;
    font-size: 1.1rem;
    margin-bottom: 15px;
}

.score-stars {
    color: #fbbf24;
    font-size: 28px;
    margin: 15px 0;
    letter-spacing: 4px;
}

.recommendation {
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: 12px;
    padding: 18px;
    text-align: center;
    margin-top: 25px;
    color: var(--success);
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.risk-indicators {
    margin-top: 35px;
}

.indicator {
    display: flex;
    align-items: center;
    margin-bottom: 18px;
    padding: 18px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

.indicator:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateX(5px);
}

.indicator-danger {
    border-left: 4px solid var(--danger);
}

.indicator-warning {
    border-left: 4px solid var(--warning);
}

.indicator-success {
    border-left: 4px solid var(--success);
}

.indicator-icon {
    font-size: 32px;
    margin-right: 15px;
}

.indicator-danger .indicator-icon {
    color: var(--danger);
}

.indicator-warning .indicator-icon {
    color: var(--warning);
}

.indicator-success .indicator-icon {
    color: var(--success);
}

.indicator-text h4 {
    margin-bottom: 6px;
    font-size: 1.1rem;
    color: white;
}

.indicator-text p {
    font-size: 0.95rem;
    color: #94a3b8;
    margin: 0;
}

.report-section {
    margin-bottom: 30px;
}

.report-section h3 {
    margin-bottom: 20px;
    font-size: 1.2rem;
    color: white;
    display: flex;
    align-items: center;
}

.report-section h3 i {
    margin-right: 12px;
    color: var(--success);
}

.action-list {
    list-style: none;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    overflow: hidden;
    padding: 0;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.action-list li {
    padding: 20px 25px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: background 0.3s ease;
}

.action-list li:hover {
    background: rgba(255, 255, 255, 0.08);
}

.action-list li:last-child {
    border-bottom: none;
}

.action-list li strong {
    display: block;
    margin-bottom: 10px;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.action-danger {
    color: var(--danger);
}

.action-warning {
    color: var(--warning);
}

.action-list li p {
    color: #cbd5e1;
    margin: 0 0 10px 28px;
    font-size: 1rem;
}

.action-list li a {
    color: #60a5fa;
    text-decoration: none;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all 0.3s ease;
    margin-left: 28px;
}

.action-list li a:hover {
    color: #3b82f6;
    transform: translateX(5px);
}

/* 图标列表 */
.icon-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 35px;
    list-style: none;
    padding: 0;
    /* margin: 25px 0; */
}

.icon-list li {
    display: flex;
    align-items: flex-start;
    text-align: left;
    background: #E2F3FF;
    border-radius: var(--border-radius);
    padding: 60px;
    box-shadow: var(--card-shadow);
    transition: all 0.3s ease;
    border: 1px solid rgba(37, 99, 235, 0.1);
}

.icon-list li:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.1);
}

.icon-list .icon {
    font-size: 40px;
    margin-right: 20px;
    color: var(--primary);
    min-width: 110px;
    height: 110px;
    display: flex;
    align-items: center;
    justify-content: center;
    /* background: rgba(37, 99, 235, 0.1); */
    border-radius: 50%;
    transition: all 0.3s ease;
}

.icon-list .icon img {
    width: 110px;
}

.icon-list li:hover .icon {
    background: var(--primary);
    color: white;
    transform: scale(1.1);
}

.icon-list h3 {
    margin: 0 0 15px;
    color: var(--dark);
    font-size: 1.5rem;
}

.icon-list p {
    margin: 0;
    color: var(--gray);
    line-height: 1.7;
    font-size: 1.3rem;
}

/* 页脚 */

#footer {
    width: 100%;
    height: 383px;
    border: none;
}









/* 动画效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade {
    opacity: 0;
}

.fade.show {
    opacity: 1;
    animation: fadeIn 0.8s ease forwards;
}

.delay-1 {
    animation-delay: 0.1s;
}

.delay-2 {
    animation-delay: 0.2s;
}

.delay-3 {
    animation-delay: 0.3s;
}

.delay-4 {
    animation-delay: 0.4s;
}

/* 响应式调整 */
@media (max-width: 992px) {
    .hero {
        padding: 100px 20px;
    }

    .hero h1 {
        font-size: 2.8rem;
    }

    .section {
        padding: 80px 0;
    }

    .icon-list {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        gap: 15px;
        padding: 15px;
    }

    .navbar .menu {
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .hero p {
        font-size: 1.1rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .report-content {
        flex-direction: column;
    }

    .report-stats {
        border-right: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .stat-value {
        font-size: 2.5rem;
    }
}

@media (max-width: 576px) {
    .hero {
        padding: 80px 20px;
    }

    .hero h1 {
        font-size: 1.8rem;
    }

    .section {
        padding: 60px 0;
    }

    .section-header h2 {
        font-size: 1.8rem;
    }

    .cta-btn {
        width: 100%;
        text-align: center;
        padding: 14px 20px;
    }
}

/* 新增样式 */
.tabs-container {
    margin-top: 50px;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    overflow: hidden;

}

.tabs-header {
    display: flex;
    background: #f1f5f9;
    border-bottom: 1px solid #e2e8f0;
}

.tab {
    padding: 16px 24px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    color: var(--gray);
}

.tab.active {
    color: var(--primary);
}

.tab.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--primary);
}

.tab:hover:not(.active) {
    background: rgba(37, 99, 235, 0.05);
}

.tab-content {
    display: none;
    padding: 30px;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

.tab-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.tab-column {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.preview-card {
    background: #f8fafc;
    border-radius: 12px;
    padding: 20px;
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
}

.preview-card:hover {
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
}

.preview-header {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.preview-icon {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background: rgba(37, 99, 235, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 12px;
}

.preview-icon i {
    color: var(--primary);
    font-size: 20px;
}

.preview-title {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--dark);
}

.preview-content {
    padding: 10px;
    background: white;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
    font-size: 0.95rem;
    line-height: 1.6;
}

.preview-content p {
    margin-bottom: 10px;
}

.highlight {
    background: rgba(16, 185, 129, 0.1);
    padding: 2px 4px;
    border-radius: 4px;
    color: var(--success);
    font-weight: 500;
}

.preview-footer {
    display: flex;
    justify-content: space-between;
    margin-top: 15px;
    font-size: 0.9rem;
    color: var(--gray);
}

.preview-badge {
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.badge-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.badge-info {
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary);
}

.suggestion-list {
    list-style: none;
    padding: 0;
    margin: 15px 0 0;
}

.suggestion-list li {
    padding: 8px 0;
    display: flex;
    align-items: center;
}

.suggestion-list li::before {
    content: '•';
    color: var(--primary);
    font-weight: bold;
    display: inline-block;
    width: 1em;
    margin-right: 10px;
}

.simulation-bar {
    height: 8px;
    background: #e2e8f0;
    border-radius: 4px;
    margin: 10px 0;
    overflow: hidden;
}

.simulation-progress {
    height: 100%;
    background: var(--primary);
    border-radius: 4px;
    width: 0;
    transition: width 1.5s ease-in-out;
}

.simulation-bar:hover .simulation-progress {
    width: var(--progress-width);
}

/* 新增知识库样式 */
.knowledge-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    /* margin: 30px 0 40px; */
    width: 100%;
}

.knowledge-stat {
    display: flex;
    align-items: center;
    background: #E2F3FF;
    border-radius: 12px;
    padding: 20px;
    box-shadow: var(--card-shadow);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    /* background: rgba(37, 99, 235, 0.1); */
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    flex-shrink: 0;
}

.stat-icon img {
    width: 60px;
}

.stat-icon i {
    color: var(--primary);
    font-size: 28px;
}

.stat-text .number {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--dark);
    line-height: 1.2;
}

.stat-text .label {
    font-size: 0.9rem;
    color: var(--gray);
}

.lifecycle-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.lifecycle-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--card-shadow);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(37, 99, 235, 0.1);
    transition: all 0.3s ease;
}

.lifecycle-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.lifecycle-card h3 {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
    color: var(--dark);
    font-size: 1.3rem;
}

.lifecycle-card h3 i {
    margin-right: 10px;
    color: var(--primary);
    font-size: 24px;
}

.lifecycle-card ul {
    padding-left: 20px;
    margin: 15px 0;
}

.lifecycle-card ul li {
    margin-bottom: 10px;
    position: relative;
    padding-left: 25px;
}

.lifecycle-card ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary);
}

.lifecycle-card .status {
    margin-top: 20px;
    padding: 8px 15px;
    border-radius: 20px;
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 600;
}

.status-active {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.status-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.status-info {
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary);
}

.recommendation-card {
    background: linear-gradient(135deg, #f0f7ff 0%, #f8fafc 100%);
    border-radius: var(--border-radius);
    padding: 25px;
    border: 1px dashed var(--primary);
    margin-top: 20px;
}

.recommendation-card h4 {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    color: var(--primary);
}

.recommendation-card h4 i {
    margin-right: 10px;
}

.recommendation-card p {
    margin-bottom: 15px;
    color: var(--gray);
}

.recommendation-card .suggestion-list li {
    padding: 5px 0;
}

/* 预警样式 */
.alert-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.alert-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 25px;
    box-shadow: var(--card-shadow);
    position: relative;
    overflow: hidden;
    border-left: 4px solid var(--warning);
}

.alert-card.danger {
    border-left-color: var(--danger);
}

.alert-card.success {
    border-left-color: var(--success);
}

.alert-header {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.alert-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 12px;
    flex-shrink: 0;
}

.alert-card .alert-icon {
    background: rgba(245, 158, 11, 0.1);
}

.alert-card.danger .alert-icon {
    background: rgba(239, 68, 68, 0.1);
}

.alert-card.success .alert-icon {
    background: rgba(16, 185, 129, 0.1);
}

.alert-icon i {
    font-size: 20px;
}

.alert-card .alert-icon i {
    color: var(--warning);
}

.alert-card.danger .alert-icon i {
    color: var(--danger);
}

.alert-card.success .alert-icon i {
    color: var(--success);
}

.alert-title {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--dark);
}

.alert-content {
    color: var(--gray);
    line-height: 1.6;
    margin-bottom: 15px;
}

.alert-date {
    font-size: 0.85rem;
    color: #94a3b8;
    display: flex;
    align-items: center;
}

.alert-date i {
    margin-right: 5px;
}

/* 新添加的核心价值卡片样式 */
.core-value-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    /* margin: 40px 0; */
    width: 100%;
}

.core-value-card {
    background: #E2F3FF;
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--card-shadow);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(37, 99, 235, 0.1);
    transition: all 0.3s ease;
}

.core-value-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.value-icon {
    /* width: 70px;
     height: 70px; */
    border-radius: 50%;
    /* background: rgba(37, 99, 235, 0.1); */
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.value-icon img {
    width: 110px;
}

.value-icon i {
    font-size: 32px;
    color: var(--primary);
}

.core-value-card h3 {
    text-align: center;
    color: var(--dark);
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.core-value-card p {
    text-align: center;
    color: var(--gray);
    margin-bottom: 20px;
    font-size: 1rem;
}

.value-pillars {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}

.pillar {
    background: rgba(37, 99, 235, 0.08);
    color: var(--primary);
    padding: 6px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

/* 知识库价值展示 */
.knowledge-benefits {
    background: linear-gradient(135deg, #f0f7ff 0%, #ffffff 100%);
    border-radius: var(--border-radius);
    padding: 40px;
    margin: 50px 0;
    border: 1px solid rgba(37, 99, 235, 0.15);
    box-shadow: var(--card-shadow);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.benefit-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.benefit-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: rgba(37, 99, 235, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.benefit-icon i {
    color: var(--primary);
    font-size: 20px;
}

.benefit-content h4 {
    margin-bottom: 8px;
    color: var(--dark);
}

.benefit-content p {
    color: var(--gray);
    margin: 0;
}




/*
 ---轮播模块样式---
 */

.swiper-container {
    width: 100%;
    height: 100%;
}


.bid-content {
    background-image: url('image/swiper_hero_1.png');
}

/* 首页第一屏（AI标书助手）标题与电脑图片样式 */
.bid-content .section-title {
    width: 100%;
    text-align: center;
    padding: 0 20px;
}

.bid-content .hero-title {
    color: #002b73;
    font-size: 3.5rem !important;
    font-weight: 1000;
    letter-spacing: 0.5px;
    text-shadow: 0 6px 2px rgba(0, 0, 0, 0.09);
    margin-bottom: 10px;
}
.computer-wrapper {
    position: relative; /* 使子元素绝对定位基于此容器 */
    width: 100%;
    padding-left: 42%;
    padding-right: 6%;
}

.computer-hero {
    width:100%;
    height: auto;
    border-radius: 6px;
    filter: drop-shadow(0 8px 20px rgba(0, 0, 0, 0.18)); /* 柔和边缘阴影，不显突兀 */
}


/* 叠加在图片上的标题 */
.overlay-title {
   
}

@media (max-width: 768px) {
    .overlay-title {
        top: 4%;
        font-size: clamp(1.4rem, 5vw, 2.2rem);
    }
    .computer-hero {
        width: 90%;
    }
}

/* 右上角角标 */
.corner-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 8px 12px;
    background: #FAD7A0;
    color: #C56A00;
    font-weight: 700;
    border-radius: 12px;
    transform: rotate(-12deg);
    box-shadow: 0 4px 10px rgba(0,0,0,0.12);
}

/* 左侧标签 */
.left-pill-label {
    position: absolute;
    left: 6%;
    top: 42%;
    transform: translateY(-50%);
    padding: 10px 16px;
    background: #3BA6FF;
    color: #fff;
    border-radius: 999px;
    font-weight: 700;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.18);
}

#bid-section {
    padding: 0 !important;
}

.section-title {
    width: 57%;
}


.ai-btn {
    background: linear-gradient(90deg, #086DFF 0%, #1ECEFF 100%);
    text-decoration: none;
    color: #ffffff;
    border-radius: 4.44px;
}

.title-main {
    color: #002B73;
    font-size: 2.5rem;
    font-weight: bold;
}

.title-sub {
    color: #002B73;
    font-size: 1.5rem;
    font-weight: normal;

}

/*投标评估*/

.knowledge-content {
    background-image: url('image/swiper_hero_2.png');
}

.section-title {
    width: 57%
}

.knowledge-content .section-title {
    width: 100%;
    padding: 0 20px;
    box-sizing: border-box;
    padding-left: 44%;
    text-align: left;
}

.ai-btn {
    background: linear-gradient(90deg, #086DFF 0%, #1ECEFF 100%);
    text-decoration: none;
    color: #ffffff;
    border-radius: 4.44px;
}

.title-main {

    color: #002B73;
    font-size: 4.4rem;
    font-weight: bold;
}

.title-sub {
    color: #002B73;
    font-size: 1.5rem;
    font-weight: normal;

}

/* 添加 .section-title 样式 */
/* .section .section-content .section-title {
     width: 100%;
     padding: 0 20px;
     box-sizing: border-box;
     padding-left: 44%;
 } */

.knowledge-content .section-title .title-main {
    font-size: clamp(2rem, 3vw, 5.5rem);
}

.knowledge-content .section-title .title-sub {
    font-size: clamp(0.5rem, 2vw, 1.5rem);
    margin-bottom: 40px;
}

.knowledge-content .section-title a.ai-btn {
    display: inline-block;
    font-size: clamp(0.9rem, 1.5vw, 1.4rem);
    padding: 0.7em 1.8em;
    width: auto;
    max-width: 100%;
}

.highlight-title {
    color: #086DFF !important;
    background: none !important;
    margin-left: 20px;
}

.highlight {
    color: #086DFF;
    margin-left: 20px;
}

.highlight-min {
    color: #086DFF;
    margin-right: 20px;
}

.chance-content .section-title {
    width: 50%;
}

.section .chance-content .section-title {
    padding-left: 50%;

}


.title-grid {
    margin-bottom: 40px;
    display: flex;


}

.grid-item {
    width: 166px;
    height: 112px;
    border-radius: 12.01px;
    opacity: 0.6;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 12px 16px;
    background: #FFFFFF;
    margin-right: 20px;
}

.grid-top {
    font-family: Source Han Sans;
    font-size: 29.57px;
    font-weight: 500;
    line-height: 33.26px;
    text-align: center;
    letter-spacing: 0px;

    font-variation-settings: "opsz" auto;
    font-feature-settings: "kern" on;
    color: #086DFF;
}

.grid-bottom {
    opacity: 1;

    font-family: Source Han Sans;
    font-size: 15.4px;
    font-weight: normal;
    line-height: 33.26px;
    text-align: center;
    letter-spacing: 0px;

    font-variation-settings: "opsz" auto;
    font-feature-settings: "kern" on;
    color: #687C96;
}

.ai-prview {
    border-radius: 6.09px;
    opacity: 1;

    /* 自动布局 */
    display: flex;
    flex-direction: column;
    padding: 18.28px 48.74px;
    gap: 0px 15.230769157409668px;
    flex-wrap: wrap;
    align-content: flex-start;

    box-sizing: border-box;
    border: 2.2px solid #086DFF;
    text-decoration: none;
    margin-left: 40px;
}

.section .section-content .section-title a.ai-prview {
    display: inline-block;
    font-size: clamp(0.9rem, 1.5vw, 1.4rem);
    padding: 0.7em 1.8em;
    width: auto;
    max-width: 100%;
}


/* 添加打字动画样式 */
#typing-text {
    overflow: hidden;
    /* 隐藏溢出内容 */
    white-space: nowrap;
    /* 文本不换行 */
    border-right: .15em solid var(--primary);
    /* 光标样式 */
    animation:
        typing 3.5s steps(40, end),
        blink-caret .75s step-end infinite;
}

/* 打字动画 */
@keyframes typing {
    from {
        width: 0
    }

    to {
        width: 100%
    }
}

/* 光标闪烁动画 */
@keyframes blink-caret {

    from,
    to {
        border-color: transparent
    }

    50% {
        border-color: var(--primary)
    }
}

/* 添加光标闪烁动画 */
.typing-cursor {
    display: inline-block;
    width: 2px;
    height: 1em;
    background-color: currentColor;
    animation: blink-caret 0.75s step-end infinite;
}

@keyframes blink-caret {

    from,
    to {
        opacity: 0;
    }

    50% {
        opacity: 1;
    }
}

.fuli-content {
    background-image: url('image/fuli.png');
}


.section .section-content .section-title {
    width: 100%;
    padding: 0 20px;
    box-sizing: border-box;
    padding-left: 44%;
    text-align: left;
}

/**
投标评估
*/

.chance-content {
    background-image: url('image/discounts.png');
}

.section-title {
    width: 57%;
}


.ai-btn {
    background: linear-gradient(90deg, #086DFF 0%, #1ECEFF 100%);
    text-decoration: none;
    color: #ffffff;
    border-radius: 4.44px;
}

.title-main {

    color: #002B73;
    font-size: 4.4rem;
    font-weight: bold;
}

.title-sub {
    color: #002B73;
    font-size: 1.5rem;
    font-weight: normal;

}

/* 添加 .section-title 样式 */
.section .section-content .section-title {
    width: 100%;
    padding: 0 20px;
    box-sizing: border-box;
    padding-left: 44%;
    text-align: left;
}

.section .section-content .section-title .title-main {
    font-size: clamp(2rem, 3vw, 5.5rem);
}

.section .section-content .section-title .title-sub {
    font-size: clamp(0.5rem, 2vw, 1.5rem);
    margin-bottom: 40px;
}

.section .section-content .section-title a.ai-btn {
    display: inline-block;
    font-size: clamp(0.9rem, 1.5vw, 1.4rem);
    padding: 0.7em 1.8em;
    width: auto;
    max-width: 100%;
}

.highlight {
    color: #086DFF;
    margin-left: 20px;
}

.highlight-min {
    color: #086DFF;
    margin-right: 20px;
}

.chance-content .section-title {
    width: 50%;
}

.section .chance-content .section-title {
    padding-left: 50%;

}



/**
覆盖样式
**/

/* 图片覆盖层样式 */
.cover-overlay {
    position: fixed;
    top: 64px;
    left: 0;
    width: 100%;
    height: calc(100% - 64px);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    /* background-color: rgba(60, 60, 60, 0.45); */
    backdrop-filter: blur(8px);
    opacity: 1;
    visibility: visible;
    transform: scale(1);
}

.cover-img {
    max-width: 100%;
    max-height: 70vh;
    border-radius: 24px;
    /*box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);*/
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateY(0) scale(1);
}

@media(min-height: 1081px){
.cover-img {
    max-height: 45vh !important;
}
}

.close-div {
    display: flex;
    justify-self: center;
    align-items: center;
    flex-direction: column;
}

.close-line {
    width: 5px;
    height: 50px;
    background-color: #086DFF;
}

.cover-close-btn {
    /* margin-top: 32px; */
    padding: 12px 32px;
    font-size: 1.2rem;
    background: #2563eb;
    color: #fff;
    border: none;
    border-radius: 24px;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(41, 98, 255, 0.12);
    display: flex;
    align-items: center;
    gap: 8px;
}

.cover-close-btn .close-icon {
    font-size: 1.2em;
}

/* 新增：覆盖层内容容器与右上角圆形关闭按钮 */
.cover-content {
    position: relative;
    display: inline-block;
}

.cover-close-icon {
    padding: 1rem;
    position: absolute;
    top: 1.5rem;
    right: 4.5rem;
    max-width: 3rem;
    max-height: 3rem;
    /* width: 3rem;
    height: 3rem; */
    border-radius: 50%;
    border: 3px solid rgb(3, 129, 247);
    background: rgba(0, 0, 0, 0.55);
    color: #fff;
    font-size: 1.5rem;
    line-height: 1;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    /* box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2); */
}

.cover-close-icon:hover {
    background: rgba(8, 109, 255, 0.85);
}

.cover-overlay.hide {
    opacity: 0;
    visibility: hidden;
    transform: scale(0.95);
    pointer-events: none;
}

.cover-overlay.hide .cover-img {
    transform: translateY(20px) scale(0.9);
}

.expand-btn-container {
    position: fixed;
    right: 20px;

    top: 74px;
    z-index: 999;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    /* box-shadow: 0 4px 15px rgba(169, 186, 233, 0.12); */
}

/* .expand-line{
    height: 35px;
    width: 5px;
    background: #2962FF;
} */


.expand-btn {
    border: none;
    cursor: pointer;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 50%;
    overflow: hidden;
}

.expand-btn:hover {
    transform: scale(1.1);
}

.expand-btn:active {
    transform: scale(0.95);
}

.expand-icon {
    width: 68px;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: block;
}

.expand-btn:hover .expand-icon {
    transform: rotate(5deg);
}