/* =========================================================
   About
   关于我们页面
========================================================= */


/* =========================================================
   页面基础
========================================================= */

.about-page {
    width: 100%;
    min-width: 1200px;

    margin: 0;
    padding: 0;

    background: #ffffff;

    color: #222222;
}


/* =========================================================
   Header 当前菜单
========================================================= */

.about-page .site-header .main-nav > .nav-item:first-child {
    color: #333333;
    font-weight: 400;
    border-bottom-color: transparent;
}


.about-page .site-header .main-nav > .nav-item:nth-child(5) {
    color: #006fc9;
    font-weight: 600;
    border-bottom-color: #006fc9;
}


/* =========================================================
   Banner
   使用公共轮播结构
========================================================= */

.about-banner {
    width: 100%;

    position: relative;

    overflow: hidden;

    background: #f5f7fa;
}


.about-banner .banner-wrapper {
    width: 100%;

    position: relative;

    overflow: hidden;

    line-height: 0;
}


/*
 * 第一张图片用于撑开 Banner 高度。
 * 其余图片绝对定位到相同位置。
 */

.about-banner .banner-slide:first-child {
    position: relative;
}


.about-banner .banner-slide {
    width: 100%;

    position: absolute;

    top: 0;
    left: 0;
    right: 0;
    bottom: 0;

    opacity: 0;

    visibility: hidden;

    z-index: 1;

    transition:
        opacity .7s ease,
        visibility .7s ease;
}


.about-banner .banner-slide.active {
    opacity: 1;

    visibility: visible;

    z-index: 2;
}


.about-banner .banner-slide img {
    display: block;

    width: 100%;
    height: auto;

    margin: 0;
    padding: 0;

    object-fit: cover;
}


/* =========================================================
   Banner 左右按钮
========================================================= */

.about-banner .banner-prev,
.about-banner .banner-next {
    position: absolute;

    top: 50%;

    width: 46px;
    height: 76px;

    margin-top: -38px;

    padding: 0;

    border: 0;

    outline: none;

    background: rgba(0, 45, 100, .18);

    color: rgba(255, 255, 255, .95);

    font-family: Arial, sans-serif;

    font-size: 42px;
    font-weight: 200;

    line-height: 72px;

    text-align: center;

    cursor: pointer;

    opacity: 0;

    z-index: 20;

    transition:
        opacity .2s ease,
        background-color .2s ease;
}


.about-banner .banner-prev {
    left: 20px;
}


.about-banner .banner-next {
    right: 20px;
}


.about-banner:hover .banner-prev,
.about-banner:hover .banner-next {
    opacity: 1;
}


.about-banner .banner-prev:hover,
.about-banner .banner-next:hover {
    background: rgba(0, 70, 145, .42);
}


/* =========================================================
   Banner 圆点
========================================================= */

.about-banner .banner-dots {
    position: absolute;

    left: 50%;
    bottom: 18px;

    transform: translateX(-50%);

    display: flex;

    align-items: center;

    justify-content: center;

    gap: 8px;

    padding: 5px 9px;

    border-radius: 20px;

    background: rgba(0, 25, 65, .12);

    z-index: 30;
}


.about-banner .banner-dot {
    width: 8px;
    height: 8px;

    margin: 0;
    padding: 0;

    border: 0;

    border-radius: 50%;

    background: rgba(255, 255, 255, .65);

    cursor: pointer;

    outline: none;

    transition:
        width .25s ease,
        background-color .25s ease,
        opacity .25s ease;
}


.about-banner .banner-dot:hover {
    background: #ffffff;
}


.about-banner .banner-dot.active {
    width: 24px;

    border-radius: 5px;

    background: #ffffff;
}



/* =========================================================
   内容公共容器
========================================================= */

.about-container {
    width: 100%;

    max-width: 1100px;

    margin: 0 auto;

    padding: 0 20px;

    box-sizing: border-box;
}



/* =========================================================
   Section 标题
========================================================= */

.about-section-heading {
    display: flex;

    flex-direction: column;

    align-items: center;

    justify-content: center;

    margin: 0 0 52px;

    text-align: center;
}


.about-section-heading-en {
    margin-bottom: 7px;

    color: #8da1b5;

    font-family: Arial, sans-serif;

    font-size: 11px;

    line-height: 18px;

    font-weight: 500;

    letter-spacing: 2px;

    text-transform: uppercase;
}


.about-section-heading h2 {
    margin: 0;
    padding: 0;

    color: #1e2c3a;

    font-size: 28px;

    line-height: 40px;

    font-weight: 700;

    letter-spacing: 1px;

    text-align: center;
}


.about-heading-line {
    display: block;

    width: 38px;
    height: 3px;

    margin-top: 13px;

    border-radius: 2px;

    background: #0076c8;
}



/* =========================================================
   平台简介
========================================================= */

.about-intro {
    width: 100%;

    padding: 74px 0 82px;

    background: #ffffff;

    box-sizing: border-box;
}


.about-intro-layout {
    width: 100%;

    display: grid;

    grid-template-columns:
        0.82fr
        1.55fr;

    gap: 75px;

    align-items: center;

    max-width: 1010px;

    margin: 0 auto;
}


.about-intro-left {
    position: relative;

    padding:
        15px
        0
        15px
        30px;

    box-sizing: border-box;
}


.about-intro-left::before {
    content: "";

    position: absolute;

    top: 0;
    bottom: 0;
    left: 0;

    width: 3px;

    background: #0076c8;
}


.about-intro-label {
    margin-bottom: 14px;

    color: #0076c8;

    font-size: 13px;

    line-height: 22px;

    font-weight: 600;

    letter-spacing: 2px;
}


.about-intro-left h3 {
    margin: 0;

    padding: 0;

    color: #1d2c3a;

    font-size: 25px;

    line-height: 1.6;

    font-weight: 600;
}


.about-intro-lead {
    margin: 17px 0 0;

    padding: 0;

    color: #6b7c8d;

    font-size: 14px;

    line-height: 1.9;
}


.about-intro-right {
    position: relative;

    padding: 4px 0;
}


.about-intro-right::after {
    content: "01";

    position: absolute;

    right: 0;
    top: -30px;

    color: #f1f5f9;

    font-family: Arial, sans-serif;

    font-size: 74px;

    line-height: 1;

    font-weight: 700;

    z-index: 0;
}


.about-intro-right p {
    position: relative;

    margin: 0 0 26px;

    padding: 0;

    color: #566575;

    font-size: 15px;

    line-height: 2.15;

    text-align: left;

    z-index: 1;
}


.about-intro-right p:last-child {
    margin-bottom: 0;
}



/* =========================================================
   平台定位
========================================================= */

.about-position {
    width: 100%;

    padding: 78px 0 86px;

    background:
        linear-gradient(
            180deg,
            #f5f8fc 0%,
            #f8fafc 100%
        );

    box-sizing: border-box;
}


.about-position-grid {
    width: 100%;

    display: grid;

    grid-template-columns:
        repeat(4, 1fr);

    gap: 20px;
}


.about-position-card {
    position: relative;

    min-height: 270px;

    padding:
        34px
        27px
        31px;

    box-sizing: border-box;

    overflow: hidden;

    background: #ffffff;

    border: 1px solid #e4ebf2;

    border-radius: 4px;

    box-shadow:
        0 3px 14px rgba(30, 73, 110, .035);

    transition:
        transform .28s ease,
        box-shadow .28s ease,
        border-color .28s ease;
}


.about-position-card::before {
    content: "";

    position: absolute;

    top: 0;
    left: 0;

    width: 100%;
    height: 3px;

    background: #0076c8;

    transform: scaleX(0);

    transform-origin: left;

    transition:
        transform .28s ease;
}


.about-position-card:hover {
    transform: translateY(-6px);

    border-color: #d4e2ef;

    box-shadow:
        0 12px 32px rgba(30, 73, 110, .09);
}


.about-position-card:hover::before {
    transform: scaleX(1);
}


.about-position-index {
    position: absolute;

    top: 17px;
    right: 20px;

    color: #dce7f0;

    font-family: Arial, sans-serif;

    font-size: 18px;

    line-height: 1;

    font-weight: 700;
}


.about-position-icon {
    width: 46px;
    height: 46px;

    display: flex;

    align-items: center;
    justify-content: center;

    margin-bottom: 23px;

    border-radius: 50%;

    background:
        linear-gradient(
            135deg,
            #087bc8,
            #005fae
        );

    color: #ffffff;

    font-size: 20px;

    font-weight: 600;

    box-shadow:
        0 6px 15px rgba(0, 111, 201, .16);
}


.about-position-card h3 {
    margin: 0 0 14px;

    padding: 0;

    color: #1f2d3d;

    font-size: 20px;

    line-height: 30px;

    font-weight: 600;
}


.about-position-card p {
    margin: 0;

    padding: 0;

    color: #697a8b;

    font-size: 14px;

    line-height: 2;

    text-align: left;
}



/* =========================================================
   平台理念
========================================================= */

.about-idea {
    width: 100%;

    padding: 80px 0 90px;

    background: #ffffff;

    box-sizing: border-box;
}


.about-idea-layout {
    width: 100%;

    display: grid;

    grid-template-columns:
        repeat(2, 1fr);

    gap: 25px;

    max-width: 1010px;

    margin: 0 auto;
}


.about-idea-card {
    position: relative;

    min-height: 275px;

    display: flex;

    flex-direction: column;

    padding:
        30px
        32px
        25px;

    box-sizing: border-box;

    background: #ffffff;

    border: 1px solid #e4ebf2;

    border-radius: 4px;

    overflow: hidden;

    transition:
        transform .28s ease,
        box-shadow .28s ease,
        border-color .28s ease;
}


.about-idea-card::after {
    content: "";

    position: absolute;

    width: 120px;
    height: 120px;

    right: -50px;
    bottom: -55px;

    border-radius: 50%;

    background: rgba(0, 118, 200, .035);

    transition:
        transform .3s ease,
        background .3s ease;
}


.about-idea-card:hover {
    transform: translateY(-5px);

    border-color: #d3e2ee;

    box-shadow:
        0 12px 32px rgba(26, 73, 111, .08);
}


.about-idea-card:hover::after {
    transform: scale(1.3);

    background: rgba(0, 118, 200, .055);
}


.about-idea-top {
    display: flex;

    align-items: center;

    justify-content: space-between;

    padding-bottom: 20px;

    border-bottom: 1px solid #edf1f5;
}


.about-idea-number {
    color: #0076c8;

    font-family: Arial, sans-serif;

    font-size: 26px;

    line-height: 30px;

    font-weight: 700;
}


.about-idea-label {
    color: #a2b1bf;

    font-family: Arial, sans-serif;

    font-size: 10px;

    line-height: 18px;

    letter-spacing: 2px;
}


.about-idea-content {
    flex: 1;

    padding-top: 25px;
}


.about-idea-content h3 {
    margin: 0 0 17px;

    padding: 0;

    color: #1e2d3b;

    font-size: 20px;

    line-height: 30px;

    font-weight: 600;
}


.about-idea-content p {
    margin: 0;

    padding: 0;

    color: #697a8b;

    font-size: 14px;

    line-height: 2;

    text-align: left;
}


.about-idea-bottom {
    position: relative;

    margin-top: 20px;

    padding-top: 15px;

    color: #9aaab8;

    font-size: 12px;

    line-height: 20px;

    z-index: 2;
}


.about-slogan {
    width: 100%;

    display: flex;

    align-items: center;
    justify-content: center;

    gap: 20px;

    margin-top: 58px;
}


.about-slogan-line {
    width: 65px;
    height: 1px;

    background: #dce5ed;
}


.about-slogan p {
    margin: 0;

    padding: 0;

    color: #728496;

    font-size: 13px;

    line-height: 22px;

    letter-spacing: 3px;
}



/* =========================================================
   Footer
========================================================= */

.about-page .about-idea {
    margin-bottom: 0;
}



/* =========================================================
   1200 - 1399
========================================================= */

@media screen and (max-width: 1399px) {

    .about-container {
        max-width: 1020px;
    }


    .about-intro-layout,
    .about-idea-layout {
        max-width: 980px;
    }


    .about-position-grid {
        gap: 17px;
    }


    .about-position-card {
        padding:
            31px
            23px
            28px;
    }

}



/* =========================================================
   平板
========================================================= */

@media screen and (max-width: 1100px) {

    .about-page {
        min-width: 0;
    }


    .about-container {
        width: 92%;

        max-width: none;

        padding-left: 0;
        padding-right: 0;
    }


    /* Banner */

    .about-banner .banner-prev,
    .about-banner .banner-next {
        width: 42px;

        height: 68px;

        margin-top: -34px;

        line-height: 66px;

        font-size: 38px;
    }


    .about-banner .banner-prev {
        left: 10px;
    }


    .about-banner .banner-next {
        right: 10px;
    }


    .about-banner .banner-dots {
        bottom: 13px;
    }


    /* 标题 */

    .about-section-heading {
        margin-bottom: 42px;
    }


    .about-section-heading h2 {
        font-size: 26px;
    }


    /* 简介 */

    .about-intro {
        padding:
            58px
            0
            65px;
    }


    .about-intro-layout {
        grid-template-columns:
            1fr;

        gap: 35px;

        max-width: 850px;
    }


    .about-intro-left {
        max-width: 600px;

        margin: 0 auto;

        padding-left: 25px;
    }


    .about-intro-right::after {
        display: none;
    }


    /* 定位 */

    .about-position {
        padding:
            60px
            0
            70px;
    }


    .about-position-grid {
        grid-template-columns:
            repeat(2, 1fr);

        gap: 20px;
    }


    .about-position-card {
        min-height: 240px;
    }


    /* 理念 */

    .about-idea {
        padding:
            62px
            0
            72px;
    }


    .about-idea-layout {
        max-width: 850px;
    }

}



/* =========================================================
   手机
========================================================= */

@media screen and (max-width: 768px) {

    .about-page {
        min-width: 0;
    }


    .about-container {
        width: 92%;
    }


    /* =====================================================
       Banner
    ====================================================== */

    .about-banner {
        width: 100%;
    }


    .about-banner .banner-slide img {
        width: 100%;
        height: auto;
    }


    .about-banner .banner-prev,
    .about-banner .banner-next {
        width: 34px;

        height: 56px;

        margin-top: -28px;

        line-height: 54px;

        font-size: 32px;
    }


    .about-banner .banner-prev {
        left: 0;
    }


    .about-banner .banner-next {
        right: 0;
    }


    .about-banner .banner-dots {
        bottom: 8px;

        gap: 6px;

        padding: 4px 7px;
    }


    .about-banner .banner-dot {
        width: 7px;
        height: 7px;
    }


    .about-banner .banner-dot.active {
        width: 20px;
    }


    /* =====================================================
       标题
    ====================================================== */

    .about-section-heading {
        margin-bottom: 32px;
    }


    .about-section-heading-en {
        margin-bottom: 4px;

        font-size: 9px;

        letter-spacing: 1.5px;
    }


    .about-section-heading h2 {
        font-size: 23px;

        line-height: 32px;
    }


    .about-heading-line {
        width: 32px;

        height: 3px;

        margin-top: 9px;
    }


    /* =====================================================
       简介
    ====================================================== */

    .about-intro {
        padding:
            45px
            0
            50px;
    }


    .about-intro-layout {
        gap: 27px;
    }


    .about-intro-left {
        padding:
            10px
            0
            10px
            20px;
    }


    .about-intro-label {
        margin-bottom: 9px;

        font-size: 12px;
    }


    .about-intro-left h3 {
        font-size: 21px;
    }


    .about-intro-lead {
        margin-top: 10px;

        font-size: 13px;

        line-height: 1.9;
    }


    .about-intro-right p {
        margin-bottom: 17px;

        font-size: 13px;

        line-height: 2;
    }


    /* =====================================================
       定位
    ====================================================== */

    .about-position {
        padding:
            48px
            0
            55px;
    }


    .about-position-grid {
        grid-template-columns: 1fr;

        gap: 13px;
    }


    .about-position-card {
        min-height: auto;

        padding:
            25px
            23px;
    }


    .about-position-index {
        top: 16px;
        right: 18px;

        font-size: 16px;
    }


    .about-position-icon {
        width: 42px;
        height: 42px;

        margin-bottom: 16px;

        font-size: 18px;
    }


    .about-position-card h3 {
        margin-bottom: 10px;

        font-size: 18px;

        line-height: 28px;
    }


    .about-position-card p {
        font-size: 13px;

        line-height: 1.9;
    }


    /* =====================================================
       理念
    ====================================================== */

    .about-idea {
        padding:
            50px
            0
            58px;
    }


    .about-idea-layout {
        grid-template-columns: 1fr;

        gap: 14px;
    }


    .about-idea-card {
        min-height: auto;

        padding:
            25px
            23px
            21px;
    }


    .about-idea-top {
        padding-bottom: 16px;
    }


    .about-idea-number {
        font-size: 23px;
    }


    .about-idea-content {
        padding-top: 20px;
    }


    .about-idea-content h3 {
        margin-bottom: 12px;

        font-size: 18px;

        line-height: 28px;
    }


    .about-idea-content p {
        font-size: 13px;

        line-height: 1.9;
    }


    .about-idea-bottom {
        margin-top: 16px;

        padding-top: 12px;

        font-size: 11px;
    }


    .about-slogan {
        gap: 12px;

        margin-top: 38px;
    }


    .about-slogan-line {
        width: 35px;
    }


    .about-slogan p {
        font-size: 11px;

        letter-spacing: 1.5px;
    }

}



/* =========================================================
   超小屏
========================================================= */

@media screen and (max-width: 480px) {

    .about-container {
        width: 94%;
    }


    /* Banner */

    .about-banner .banner-prev,
    .about-banner .banner-next {
        width: 28px;

        height: 48px;

        margin-top: -24px;

        line-height: 46px;

        font-size: 28px;
    }


    .about-banner .banner-dots {
        bottom: 6px;
    }


    /* 标题 */

    .about-section-heading h2 {
        font-size: 21px;

        line-height: 30px;
    }


    .about-section-heading-en {
        font-size: 8px;
    }


    /* 简介 */

    .about-intro {
        padding:
            38px
            0
            42px;
    }


    .about-intro-left h3 {
        font-size: 19px;
    }


    .about-intro-right p {
        font-size: 12px;

        line-height: 1.9;
    }


    /* 定位 */

    .about-position {
        padding:
            40px
            0
            45px;
    }


    .about-position-card {
        padding:
            22px
            19px;
    }


    .about-position-card h3 {
        font-size: 17px;
    }


    .about-position-card p {
        font-size: 12px;

        line-height: 1.8;
    }


    /* 理念 */

    .about-idea {
        padding:
            40px
            0
            45px;
    }


    .about-idea-card {
        padding:
            21px
            18px
            19px;
    }


    .about-idea-content h3 {
        font-size: 17px;
    }


    .about-idea-content p {
        font-size: 12px;

        line-height: 1.8;
    }


    .about-slogan {
        margin-top: 30px;
    }


    .about-slogan p {
        font-size: 10px;
    }

}