@import "./styles.css";


:root{
    --h-title-color:#3948d2;
}

.header {
    border-bottom: solid 2px var(--bs-blue);
    z-index: 10000;
}

/* .bg-bottom {
    background-color: var(--h-title-color);
} */

.bg-bottom {
    background-color: #202c5c; /* 应用我们新选择的深蓝色 */
    color: #FFFFFF; /* <-- 修改为纯白色 */
}

.top-section {
    position: relative;
    padding: 10rem 0;
    background-position: center;
    background-size: cover;
    height: 25rem;
}

.top-section h2 {
    font-weight: 400;
}

.top-section .top-section-content {
    position: relative;
    z-index: 1;
}

/* .top-section:before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
} */

.top-section{
  background-image: image-set(
    /* url('static/assets/img/background.webp') type('image/webp'), */
    url('static/assets/img/background.jpg') type('image/jpeg')
  );
  background-size: cover;
  background-position: center;
  min-height: 40vh; /* 可按需调小，能明显改善首屏速度 */
}


section header h2{
    font-family: "Kanit", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji" !important;
    color: var(--h-title-color);
    font-size: 2.3rem;
    line-height: 4rem;
}

section .main-body{
    font-size: 1.3rem;
    font-weight: 200;
    line-height: 2.4rem;
}


.bg-gradient-primary-to-secondary-light {
    background: linear-gradient(45deg, #fcfcfc, #ffffff) !important;
}

.bg-gradient-primary-to-secondary-gray {
    background: linear-gradient(45deg, #f0f0f0, #f1f1f1) !important;
}



.on-top {
    position: relative;
    z-index: 10000;
}

.top-bg {
    background-position: center;
    background-size: fill;
    width: 100%;
    height: 100%;
}

.top-bg::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
}


#avatar {
    position: relative;
    height: 0;
    top:min(-65px,max(-100px,calc(-1*100vw/12)));
    max-width: 55em;
    margin: 0 1.5rem 0 0;
    float: right;
    z-index: 9000;
}

#avatar img {
    height: max(130px,min(200px,calc(100vw/6)));
    box-shadow: 5px 5px 5px rgba(0, 0, 0, 0.2);
}

@media screen and (max-width: 991px) {
    #avatar {
        margin: 0;
    }
}