/* 通用区块样式 */
.section {
    /* padding: 20px 0; */
    position: relative;
}

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



.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 2px;
}

.section-header p {
    font-size: 1.5rem;
    color: #083379;
    line-height: 1.7;
}


/* 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;
    }
}


.knowledge-content {
    background-image: url('image/knowledge.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%;
}

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

.section .section-content .section-title .title-sub {
    font-size: clamp(0.8rem, 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%;

}

/* 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;
    }
}

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


}

.grid-item {
    width: 166px;
    height: 112px;
    border-radius: 12.01px;
    opacity: 0.9;
    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%;
}

.hide {
    display: none !important;
}

.show {
    display: block !important;
}


/* 添加翻转动画样式 */
.module {
    transform-origin: top;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.module.hide {
    transform: rotateX(-90deg);
    opacity: 0;
    display: none;
}

.module.show {
    transform: rotateX(0);
    opacity: 1;
    display: block;
    animation: flip-in 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes flip-in {
    from {
        transform: rotateX(-90deg);
        opacity: 0;
    }

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


/**
其他样式

**/


:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary: #10b981;
    --dark: #1e293b;
    --light: #f8fafc;
    --gray: #94a3b8;
    --light-blue: #dbeafe;
    --card-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
}

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

body {
    font-family: 'Noto Sans SC', sans-serif;
    background-color: #f1f5f9;
    color: #334155;
    line-height: 1.6;
    scroll-behavior: smooth;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    /* padding: 0 20px; */
    /* padding-top: 50px; */

}





.stat-card {
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    text-align: center;
    min-width: 160px;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 5px;
}

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

.hero-illustration {
    width: 100%;
    max-width: 600px;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-20px);
    }

    100% {
        transform: translateY(0px);
    }
}

/* 功能板块样式 */
.section {
    /* min-height: 100vh; */
    display: flex;
    align-items: center;
    /* padding: 80px 0; */
}

.section-title-2 {
    text-align: center;
    margin-bottom: 20px;
}

.section-title-2 h2 {
    font-size: 2.5rem;
    color: var(--dark);
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-title-2 h2:after {
    content: "";
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--primary);
    border-radius: 2px;
}

.section-title-2 p {
    color: var(--gray);
    max-width: 700px;
    margin: 15px auto 0;
    font-size: 1.2rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.feature-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
    transition: all 0.3s ease;
}

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

.feature-header {
    padding: 15px;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #71bcf1 0%, #8ac8f5 100%);
    color: white;
}

.feature-icon {
    width: 50px;
    height: 50px;
    /* background: rgba(255, 255, 255, 0.2); */
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.8rem;
    margin-right: 20px;
}

.feature-icon img {
    width: 50px;
}

.feature-title {
    font-size: 1.4rem;
    font-weight: 600;
}

.feature-body {
    padding: 20px;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    margin-bottom: 15px;
    display: flex;
    align-items: flex-start;
    padding: 10px 0;
    border-bottom: 1px dashed #e2e8f0;
}

.feature-list li:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.feature-list li i {
    color: var(--primary);
    font-size: 1.2rem;
    margin-right: 15px;
    flex-shrink: 0;
    margin-top: 4px;
}

.feature-desc {
    font-size: 1.05rem;
    color: #475569;
}

/* 知识引擎区域 */
.engine-section {
    background-image: url('image/model_bg.png');
    background-size: cover;
    background-position: center;
    /* transform: scaleY(-1); */
}
/* 水平翻转 */
.engine-section.flipped-horizontal {
    transform: scaleX(-1);
}

/* 垂直翻转 */
.engine-section.flipped-vertical {
    transform: scaleY(-1);
}

/* 若翻转后内容也跟着翻转，可使用以下代码恢复内容方向 */
.engine-section.flipped-horizontal>* {
    transform: scaleX(-1);
}

.engine-section.flipped-vertical>* {
    transform: scaleY(-1);
}


.engine-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.engine-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.engine-card:hover {
    transform: translateY(-8px);
}

.engine-header {
    padding: 25px;
    background: linear-gradient(135deg, #86c2ec 0%, #4ca4e4 100%);
    color: white;
    text-align: center;
}

.engine-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}
.engine-icon img {
    width: 110px;
    /* height: 80px; */
}
.engine-title {
    font-size: 1.6rem;
    font-weight: 600;
}

.engine-body {
    padding: 25px;
    flex-grow: 1;
}

.engine-desc {
    /* margin-bottom: 20px; */
    color: #475569;
    font-size: 1.4rem;
    padding: 20px 0;
}

.engine-features {
    list-style: none;
    margin-top: 20px;
}

.engine-features li {
    margin-bottom: 12px;
    display: flex;
    align-items: flex-start;
}

.engine-features li i {
    color: var(--secondary);
    margin-right: 10px;
    margin-top: 5px;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .hero-content {
        flex-direction: column;
        text-align: center;
    }

    .hero-text {
        padding-right: 0;
        margin-bottom: 50px;
    }

    /* .features-grid,
    .engine-grid,
    .testimonials {
        grid-template-columns: 1fr;
    } */

    .hero p {
        margin: 0 auto 30px;
    }

    .hero-stats {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

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

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

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