@charset "UTF-8";

:root {
    --mobile-breakpoint: 768px;
}

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

body {
    font-family: Inter, 'Helvetica Neue', Helvetica, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', '微软雅黑', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.5;
    background-color: white;
}

a {
    color: #000000;
    text-decoration: none;
}

a:hover {
    color: #000000;
    text-decoration: underline;
}

/* 文本对齐 */
.ta-l {
    text-align: left !important;
}

.ta-r {
    text-align: right !important;
}

.ta-c {
    text-align: center !important;
}

/* 字体大小 */
.fs-s {
    font-size: 12px !important;
}

.fs-m {
    font-size: 14px !important;
}

.fs-l {
    font-size: 16px !important;
}

.fs-xl {
    font-size: 18px !important;
}

/* 字体粗细 */
.fw-l {
    font-weight: 300 !important;
}

.fw-n {
    font-weight: 400 !important;
}

.fw-b {
    font-weight: 600 !important;
}

/* 行高 */
.lh-n {
    line-height: 1 !important;
}

.lh-s {
    line-height: 1.2 !important;
}

.lh-m {
    line-height: 1.5 !important;
}

.lh-l {
    line-height: 1.8 !important;
}

/* 页面 */
.wrapper {
    position: relative;
    min-width: auto;
    max-width: 1300px;
    height: 100%;
    margin: 0 auto;
    padding: 0 64px;
}

/* 标志 */
.logo {
    display: inline-block;
    width: 160px;
    height: 96px;
    background: transparent none no-repeat 50% 50%;
    background-size: contain;
}

.logo-white {
    background-image: url('images/logo_white.png');
}

.logo-blue {
    background-image: url('images/logo_blue.png');
}

/* 图标 */
.icon {
    display: inline-block;
    width: 128px;
    height: 128px;
    background: transparent none no-repeat 50% 50%;
    background-size: contain;
}

.icon-1 {
    background-image: url('images/icon_1.png');
}

.icon-2 {
    background-image: url('images/icon_2.png');
}

.icon-3 {
    background-image: url('images/icon_3.png');
}

.icon-4 {
    background-image: url('images/icon_4.png');
}

/* 头部 */
.header {
    background: transparent url('images/bg_banner_1.webp') no-repeat 50% 55%;
    background-size: cover;
    height: 700px;
}

.header .top {
    padding: 16px 0;
}

.header .slogan {
    position: absolute;
    top: 55%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    color: #FFFFFF;
    text-shadow: 0 0 1px rgba(0, 0, 0, .125), 0 1px 3px rgba(0, 0, 0, .2);
}

.header .slogan h2 {
    width: 600px;
    font-size: 48px;
    font-style: italic;
    margin: 0 auto 80px;
}

.header .slogan h2 span {
    display: block;
}

.header .slogan p {
    font-size: 18px;
    text-align: center;
    font-weight: 300;
    line-height: 1.8;
}

/* 功能 */
.ptmo {
    background: transparent url('images/bg_banner_1.webp') no-repeat 50% 25%;
    background-size: cover;
    padding: 64px 0;
}

.ptmo>.wrapper {
    padding: 0;
}

.ptmo .items {
    display: flex;
}

.ptmo .items .item {
    position: relative;
    width: 25%;
    border-left: 1px solid rgba(255, 255, 255, .5);
}

.ptmo .items .item:first-child {
    border-left: 0;
}

.ptmo .title,
.ptmo .subtitle {
    position: relative;
    z-index: 2;
    font-weight: 500;
    color: #FFFFFF;
    text-align: center;
    text-shadow: 0 0 1px rgba(0, 0, 0, .125), 0 1px 3px rgba(0, 0, 0, .2);
}

.ptmo .title {
    font-size: 18px;
    margin: 16px 0 8px;
}

.ptmo .subtitle {
    font-size: 16px;
    margin: 8px 0 32px;
}

.ptmo .content {
    position: relative;
    z-index: 2;
    font-size: 14px;
    font-weight: 300;
    text-align: justify;
    line-height: 1.8;
    padding: 16px 32px 24px;
}

.ptmo .bgtext {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: rgba(255, 255, 255, .6);
    font-size: 192px;
    z-index: 1;
}

/* 段落 */
.paragraph {
    background: #F7F7F7 linear-gradient(0, #E5E5E5, #F7F7F7 60px);
    padding: 64px 0;
}

.paragraph>.wrapper {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 64px;
}

.paragraph .image {
    width: 192px;
    text-align: center;
}

.paragraph .text {
    flex: 1;
}

.paragraph .text h4 {
    font-size: 18px;
    font-weight: 500;
    margin: 0 0 32px;
}

.paragraph .text p {
    font-size: 14px;
    line-height: 1.2;
    margin: 16px 0;
}

/* 合作 */
.cooperate {
    background-color: #F7F7F7;
    border-bottom: 1px solid #BBBBBB;
}

.cooperate>.wrapper {
    padding: 0;
}

.cooperate .title {
    background: transparent url('images/bg_banner_2.webp') no-repeat 100% 50%;
    background-size: cover;
    color: #FFFFFF;
    padding: 16px 0 8px;
}

.cooperate .title h3 {
    font-size: 18px;
    font-weight: 500;
    font-style: italic;
}

.cooperate .title p {
    font-size: 12px;
    font-weight: 300;
}

.cooperate .content {
    display: flex;
    font-size: 14px;
    text-align: justify;
}

.cooperate .content .item {
    width: 25%;
    padding: 32px 64px 64px;
    border-left: 1px solid #C5C5C5;
}

.cooperate .content .item:first-child {
    border-left: 0;
}

.cooperate .content .item p {
    margin: 8px 0;
}

/* 反馈 */
.feedback {
    background: #F7F7F7 linear-gradient(0, #E5E5E5, #F7F7F7 60px);
    padding: 64px 0;
}

.feedback .title {
    font-size: 18px;
    font-weight: 500;
    text-align: center;
    margin-bottom: 32px;
}

.feedback .content {
    display: flex;
    font-size: 14px;
    gap: 64px;
}

.feedback .content .item {
    width: 33.333333%;
    padding: 32px 0;
}

.feedback .content .item p {
    font-weight: 300;
    text-align: center;
    line-height: 1.8;
    margin: 8px 0;
}

.feedback .content .item .face img {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background-color: #CCCCCC;
    vertical-align: top;
}

.feedback .content .item .name {
    font-weight: 500;
}

/* 底部 */
.footer {
    background-color: #FFFFFF;
    padding: 32px 0;
}

.footer .intro {
    display: flex;
    align-items: center;
    gap: 32px;
}

.footer .intro .qrcode {
    width: 64px;
    text-align: center;
}

.footer .intro .qrcode img {
    width: 64px;
    height: 64px;
    vertical-align: middle;
}

.footer .intro .qrcode span {
    display: block;
    font-size: 12px;
}

.footer .intro .content {
    flex: 1;
    font-size: 12px;
    font-weight: 300;
    line-height: 2;
}

.footer .copyright {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 32px;
    font-size: 12px;
    font-weight: 300;
    text-align: center;
    margin: 32px 0 0;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .wrapper {
        padding: 0 2rem;
    }

    .top {
        text-align: center;
    }

    .header {
        height: 100vh;
        background-position: 60% center;

        .slogan {
            left: 0;
            transform: translate(0, -50%);
            padding: 0 2rem;
        }

        .slogan h2 {
            width: 100%;
            font-size: 2rem;
            margin-bottom: 2rem;
        }

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

    .paragraph>.wrapper {
        flex-direction: column;
        gap: 2rem;
    }

    .ptmo .items {
        flex-direction: column;

        .item {
            width: 100%;
            border-left: none;
            border-bottom: 1px solid rgba(255, 255, 255, 0.5);
            padding: 2rem 0;
        }

        .item:last-child {
            border-bottom: none;
        }
    }

    .cooperate {
        .content {
            flex-direction: column;
            
            .item {
                width: auto;
                border-left: 0 none;
                border-bottom: 1px solid #C5C5C5;
                padding-bottom: 32px;
            }
            
            .item:last-child {
                border-bottom: 0 none;
            }
        }
    }

    .feedback .content {
        flex-direction: column;
        gap: 2rem;

        .item {
            width: 100%;
        }
    }

    .footer {
        .copyright {
            flex-direction: column;
            gap: 8px;
        }
    }
}