/* 全局样式 */
:root {
    --primary-color: #1a73e8;
    --secondary-color: #4285f4;
    --accent: #00e0ff;
    --dark-blue: #0d47a1;
    --light-blue: #e8f0fe;
    --text-color: #333;
    --light-text: #f8f9fa;
    --gray-bg: #f5f5f5;
    --gold: #ffd700;
    --section-padding: 80px 0;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
}

body {
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
    background: #f9fafb;
    scroll-behavior: smooth;
}

a {
    text-decoration: none;
    color: inherit;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.inner {
    margin: 0 auto;
    width: 1400px;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    text-align: center;
    position: relative;
}

    .section-title::after {
        content: '';
        display: block;
        width: 80px;
        height: 4px;
        background: var(--secondary-color);
        margin: 15px auto;
        border-radius: 2px;
    }

.section-subtitle {
    font-size: 1.2rem;
    color: #666;
    text-align: center;
    max-width: 900px;
    margin: 0 auto 3rem;
}

/* 导航栏 */
header {
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

    header.scrolled {
        background-color: rgba(255, 255, 255, 0.98);
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    }

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    display: flex;
    align-items: center;
}

    .logo img {
        height: 80%;
    }

.nav-links {
    display: flex;
    list-style: none;
}

    .nav-links li {
        margin-left: 30px;
    }

    .nav-links a {
        font-weight: 500;
        position: relative;
        padding: 5px 0;
        font-size: 1.2rem;
    }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background-color: var(--primary-color);
            transition: width 0.3s ease;
        }

        .nav-links a:hover::after {
            width: 100%;
        }

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--primary-color);
}

/* 侧边导航 */
.side-nav {
    position: fixed;
    top: 50%;
    right: 30px;
    transform: translateY(-50%);
    z-index: 900;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.nav-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background-color: rgba(26, 115, 232, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

    .nav-dot.active {
        background-color: var(--primary-color);
        transform: scale(1.2);
    }

    .nav-dot::after {
        content: attr(data-title);
        position: absolute;
        right: 25px;
        top: 50%;
        transform: translateY(-50%);
        background: var(--primary-color);
        color: white;
        padding: 5px 12px;
        border-radius: 4px;
        font-size: 0.9rem;
        white-space: nowrap;
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.3s ease;
    }

    .nav-dot:hover::after {
        opacity: 1;
    }

/* 顶部横幅 */
.hero {
    background: linear-gradient(135deg, var(--primary-color), var(--dark-blue));
    color: white;
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

    .hero::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        opacity: 0.4;
    }

    .hero h1 {
        font-size: 3.2rem;
        margin-bottom: 20px;
        position: relative;
        animation: fadeInDown 1s ease;
    }

    .hero p {
        font-size: 1.3rem;
        max-width: 700px;
        margin: 0 auto;
        position: relative;
        animation: fadeInUp 1s ease;
    }

/* 内容区域 */
.content-section {
    padding: var(--section-padding);
    position: relative;
}

/* 企业简介 */
.company-intro {
    background: white;
}

.intro-content {
    display: flex;
    align-items: center;
    gap: 50px;
}

.intro-text {
    flex: 1;
}

    .intro-text p {
        margin-bottom: 20px;
        line-height: 1.8;
        text-align: justify;
        text-indent: 2rem;
    }

.intro-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.stat-item {
    text-align: center;
    padding: 25px 15px;
    background: var(--light-blue);
    border-radius: 8px;
    transition: all 0.3s ease;
}

    .stat-item:hover {
        transform: translateY(-10px);
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    }

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.stat-text {
    font-size: 1.1rem;
}

.intro-image {
    flex: 1;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

    .intro-image img {
        width: 100%;
        height: auto;
        display: block;
        transition: transform 0.5s ease;
    }

    .intro-image:hover img {
        transform: scale(1.05);
    }

/* 详情 */
.article {
    background: #f1f7fd;
    box-sizing: border-box;
    padding: 70px 0;
}

    .article em {
        color: var(--gray-bg);
        padding: 0 5px;
        margin: 0 4px;
        background: var(--primary-color);
        font-style: normal;
        border-radius: 5px;
    }

    .article .article-top > div .wed {
        background: #fff;
        bottom: -23px;
        cursor: pointer;
        left: calc(50% - 45px);
        position: absolute;
        width: 90px;
        color: var(--primary-color);
    }

    .article .article-top > div {
        background: #fff;
        border-bottom: 1px solid #e8e8e8;
        box-sizing: border-box;
        margin: 0 auto;
        padding: 60px 0;
        position: relative;
        text-align: center;
    }

        .article .article-top > div h2 {
            color: var(--dark-blue);
            font-family: Medium;
            font-size: 28px;
            font-weight: 600;
            line-height: 40px;
            margin: 0 auto;
            width: 80%
        }

        .article .article-top > div .link {
            display: flex;
            justify-content: space-around;
            margin: 35px auto 0;
            width: 500px;
            font-size: 14px;
        }

            .article .article-top > div .link > div {
                align-items: center;
                display: flex
            }

                .article .article-top > div .link > div > i {
                    margin-right: 10px
                }

            .article .article-top > div .link .icon {
                font-size: 22px
            }

        .article .article-top > div .share {
            background: #fff;
            bottom: -32px;
            cursor: pointer;
            left: calc(50% - 45px);
            position: absolute;
            width: 90px
        }

        .article .article-top > div .qrcode {
            background: #fff;
            bottom: 30px;
            left: calc(50% - 90px);
            position: absolute;
            transition: all .4s ease;
            opacity: 0;
            display: block;
            box-shadow: rgba(0,0,0,.4) 0 0 15px;
            height: 180px;
            width: 180px;
            padding: 10px;
            border-radius: 5px;
            z-index: -100;
        }

            .article .article-top > div .qrcode img {
                width: 160px;
            }

    .article .article-content {
        background-color: #fff;
        padding: 50px 5%;
        margin: 0 auto;
    }
        .article .article-content img {
            max-width: 90vw;
            display: block;
            margin: 0 auto;
        }

        .article .article-content li {
            list-style: unset;
        }

        .article .article-content ul[data-type=taskList] li {
            display: flex;
            align-items: baseline;
        }
        .article .article-content p {
            min-height: 1rem
        }
        .article .article-content div.container-wrapper {
            margin: 1rem 0;
            padding: 0 1rem;
            border: 1px solid var(--aie-border-color);
            border-radius: 3px;
        }

        .article .article-content div.info {
            background: #eff1f3
        }

        .article .article-content div.warning {
            background: #fcf5e4
        }

        .article .article-content div.danger {
            background: #ffe7ea
        }

    .article .article-bottom {
        background: #fff;
        box-sizing: border-box;
        margin: 0 auto;
        padding: 50px 5%;
        text-align: center;
    }

        .article .article-bottom button {
            padding: 8px 10px;
            transition: all .3s;
            -webkit-transition: all .3s;
            border-radius: 5px;
            border: var(--dark-blue) solid 1px;
            cursor: pointer;
            margin-right: 15px;
        }

            .article .article-bottom button:hover {
                background-color: white;
            }

        .article .article-bottom img {
            -o-object-fit: cover;
            object-fit: cover;
            width: 100%
        }

        .article .article-bottom .back {
            align-items: center;
            border: 2px solid #b7b7b7;
            cursor: pointer;
            display: flex;
            height: 68px;
            justify-content: center;
            margin: 42px auto;
            width: 188px
        }

@media (min-width: 1200px) {
    .article .article-top > div, .article .article-content, .article .article-bottom {
        width: 1200px;
    }
}

@media (max-width: 576px) {
    .article {
        padding: 0;
    }

        .article .article-top > div .link {
            width: auto;
        }
}

@media print {
    .noPrint {
        display: none !important;
    }
}

/* iconfont */
@font-face {
    font-family: iconfont;
    src: url(../font/iconfont.woff2) format("woff2"), url(../font/iconfont.woff) format("woff"), url(../font/iconfont.ttf) format("truetype")
}

.iconfont {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-family: iconfont !important;
    font-size: 24px;
    font-style: normal;
    color: var(--dark-blue);
}

button.info {
    background-color: var(--primary-color);
    color: white;
}

    button.info:hover {
        color: white;
        background-color: var(--secondary-color) !important;
    }
/* 页脚 */
footer {
    background: linear-gradient(to right, var(--dark-blue), var(--primary-color));
    color: rgba(255, 255, 255, 0.8);
    padding: 50px 0 20px;
    position: relative;
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 420px 280px;
    gap: 60px;
    margin-bottom: 30px;
    text-align: justify;
}
.footer-col {
    padding-bottom: 20px;
}
.footer-col h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: white;
    position: relative;
    padding-bottom: 10px;
}

    .footer-col h3:after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 40px;
        height: 2px;
        background-color: var(--gold);
    }

.footer-col p {
    margin-bottom: 15px;
}

.menus {
    display: flex;
    justify-content: space-around;
    border-right: solid 1px rgba(255,255,255,.2);
}

    .menus a:hover {
        color: var(--secondary-color);
    }

.qrcode {
    width: 200px;
    position: absolute;
    left: 190px;
    bottom: 110px;
    transition: all .3s ease;
    opacity: 0;
}

    .qrcode img {
        width: 100%;
    }

.footer_top {
    display: flex;
    align-items: center;
    width: 100%;
    min-height: 200px;
    padding: 30px 0 27px;
}

    .footer_top .left {
        padding-right: 20px;
        display: flex;
        flex: 0 1 700px;
        justify-content: flex-start;
        align-items: center;
        position: relative;
    }

        .footer_top .left::after {
            position: absolute;
            top: 0;
            bottom: 0;
            margin: auto;
            right: 0;
            content: '';
            height: 260px;
            width: 1px;
            background-color: #CCC;
            opacity: 0.2;
        }

.footer .copyright {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #CCC;
    font-size: 14px;
    line-height: 20px;
    padding: 10px 0 0;
    display: flex;
    justify-content: center;
}

    .footer .copyright > .inner .right {
        display: flex;
        line-height: 20px;
        align-items: center;
        justify-content: space-between;
    }

.footer_top .contact {
    padding-left: 20px;
    flex: 1 1 670px;
    font-size: 14px;
    color: #fff;
    display: flex;
    justify-content: center;
    height: fit-content;
    flex-wrap: nowrap;
}

    .footer_top .contact a {
        text-align: center;
        margin-right: 32px;
    }

    .footer_top .contact .qrcode {
        width: 100px;
    }

.footer .footer_top .contact .contact_p {
    line-height: 18px;
    display: flex;
    align-items: flex-start;
    flex-direction: column;
    justify-content: space-between;
    padding: 18px 0;
}

.left .menus {
    align-items: stretch;
    display: flex;
    justify-content: space-between;
    margin: 0 30px;
    width: 100%;
}

menu h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: white;
    position: relative;
    padding-bottom: 10px;
}

    menu h3::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 40px;
        height: 2px;
        background-color: var(--gold);
    }

menu p {
    margin-bottom: 15px;
}

.nav_sec {
    list-style: none;
}

    .nav_sec li {
        margin-bottom: 5px;
    }

    .nav_sec a {
        display: block;
        transition: all 0.5s;
        -webkit-transition: all 0.5s;
        -o-transition: all 0.5s;
        -moz-transition: all 0.5s;
    }

        .nav_sec a:hover {
            transform: translateX(10px);
        }

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

    .social-links a {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        background-color: rgba(255, 255, 255, 0.1);
        border-radius: 50%;
        transition: all 0.3s;
    }

        .social-links a:hover {
            background-color: var(--primary-color);
            transform: translateY(-3px);
        }

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    font-size: 0.9rem;
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: nowrap;
}

    .footer-bottom a {
        color: var(--secondary-color);
    }

/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 80px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.25);
    z-index: 100;
    opacity: 0;
    transition: all 0.3s ease;
    cursor: pointer;
}

    .back-to-top.visible {
        opacity: 1;
    }

    .back-to-top:hover {
        background: var(--accent);
        transform: translateY(-5px);
    }
/* 动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }

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

/* 响应式设计 */
@media (max-width: 992px) {
    .inner {
        width: 100%;
        padding: 0 20px;
        box-sizing: border-box;
    }

    .footer .footer_top {
        flex-wrap: wrap;
        padding: 0;
    }

        .footer .footer_top .left {
            display: none;
        }

        .footer .footer_top .contact {
            padding-left: 0;
            margin-top: 30px;
            flex: 0 1 100vw;
            margin-left: 30px;
            flex-wrap: wrap;
        }

    .footer .copyright > .inner {
        flex-wrap: wrap;
    }

        .footer .copyright > .inner .left {
            flex: 0 1 100vw;
            justify-content: center;
            text-align: center;
        }

        .footer .copyright > .inner .right {
            margin: 10px 0;
            flex: 0 1 100vw;
            justify-content: center;
        }

    .footer .copyright {
        flex-wrap: wrap;
    }

    .section-title {
        font-size: 2.2rem;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

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

    .timeline-container::before {
        left: 30px;
    }

    .timeline-item {
        width: 100%;
        padding-left: 70px;
        padding-right: 0;
    }

        .timeline-item:nth-child(even) {
            left: 0;
        }

        .timeline-item::after {
            left: 32px;
        }

    .footer-container {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 10px;
        margin-bottom: 0;
    }

    .footer-bottom {
        flex-wrap: wrap;
        gap: 0;
    }
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }

    .nav-links {
        color: white;
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: linear-gradient(135deg, var(--primary-color), var(--dark-blue));
        flex-direction: column;
        align-items: center;
        padding: 40px 0;
        transition: all 0.5s ease;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    }

        .nav-links.active {
            left: 0;
        }

        .nav-links li {
            margin: 15px 0;
        }

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

    .side-nav {
        display: none;
    }

    .intro-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .qrcode {
        bottom: 340px;
        right: 20px;
        left: auto;
    }

    .menus {
        display: none;
    }
    .footer-col p {
        margin-bottom: 0px;
    }
}

@media (max-width: 576px) {
    .hero {
        padding: 80px 0;
    }

        .hero h1 {
            font-size: 1.9rem;
        }

        .hero p {
            font-size: 1rem;
        }

    .section-title {
        font-size: 1.8rem;
    }

    .section-subtitle {
        font-size: 1rem;
    }

    .intro-stats {
        grid-template-columns: 1fr;
    }
}