@font-face {
    font-family: 'Noah';
    src: url('../res/Noah/noah-regular-2.otf') format('opentype');
}

@font-face {
    font-family: 'HanaMin';
    src: url('../res/HanaMin/RiBenHuaYuanMingChaoTi-2.ttf') format('truetype');
}

@font-face {
    font-family: 'OPPO Sans 4.0';
    src: url('../res/OPPO_Sans_4.0/OPPO\ Sans\ 4.0.ttf') format('truetype');
}

@font-face {
    font-family: 'Jetbrains Mono';
    src: url('../res/JetBrains\ Mono/JetBrainsMono-Medium.ttf') format('truetype');
}

@font-face {
    font-family: 'Malak';
    src: url('../res/Malak-Regular/Malak-Regular-Demo-2.ttf') format('truetype');
}


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

body {
    /* font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif; */
    background-color: #f5f5f5;
}

.float-shadow {
    top: 0;
    left: 0;
    width: 100vw;
    height: 170px;
    position: fixed;
    /* background-color: #00000000; */
    box-shadow: 0px 70px 50px -28px inset #00000063;
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 97;
}

/* 悬浮按钮 */
.float-btn {
    /* backdrop-filter: blur(5px); */
    position: fixed;
    top: 0;
    left: 0;
    width: 99vw;
    height: 70px;
    background-color: #5a5a5a00;
    border: none;
    z-index: 98;
    transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease, backdrop-filter 0.3s ease;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 30px;
    margin: 0.5vw;
    border-radius: 12px;
    transform: translateY(0);
}

.float-btn.hidden {
    transform: translateY(-100%);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0);
}

.float-btn:hover {
    background-color: #0202022f;
    backdrop-filter: blur(15px);
}

.float-btn-left {
    display: flex;
    align-items: center;
    gap: 20px;
}

.float-btn-title {
    font-family: 'Noah';
    /* font-weight: 100; */
    /* letter-spacing: 0.07em; */
    color: white;
    font-size: 20px;
    min-width: 40px;
}

.float-btn-item {
    background: none;
    border: none;
    color: white;
    font-family: 'OPPO sans 4.0';
    font-weight: 200;
    font-size: 15px;
    cursor: pointer;
    padding: 8px 12px;
    border-radius: 7px;
    transition: background-color 0.2s ease;
}

.float-btn-item:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.float-btn-menu {
    position: fixed;
    top: 25px;
    right: 40px;
    background: none;
    border: none;
    color: white;
    font-size: 24px;
    cursor: pointer;
    padding: 0;
    transition: transform 0.3s ease;
    z-index: 99;
}

.float-btn-menu:hover {
    transform: scale(1.1);
}

.float-btn-menu:active {
    transform: scale(0.95);
}

/* 侧边栏 */
.sidebar {
    backdrop-filter: blur(25px);
    position: fixed;
    right: 0;
    top: 0;
    width: 20vw;
    height: 96vh;
    background-color: #1f1f1fc2;
    box-shadow: 0px 10px 50px 5px #00000060;
    display: flex;
    flex-direction: column;
    padding-top: 20px;
    z-index: 100;
    transform: translateX(120%);
    transition: transform 0.42s cubic-bezier(0.43, 0.09, 0.13, 1.02);
    border-radius: 16px;
    margin: 2vh;
}

.sidebar.active {
    transform: translateX(0);
}

.sidebar-btn {
    height: 5.5vh;
    width: 18vw;
    background: none;
    border: none;
    color: white;
    font-family: 'OPPO sans 4.0';
    /* font-weight: 400; */
    font-size: 16px;
    cursor: pointer;
    padding-left: 15px;
    text-align: left;
    transition: background-color 0.2s ease;
    border-radius: 12px;
    margin: 0.3vh 1vw;
}

.sidebar-btn:hover {
    /* color: black; */
    background-color: rgba(255, 255, 255, 0.1);
}

.sidebar-title {
    padding-left: 10px;
    font-family: 'OPPO sans 4.0';
    font-weight: 200;
    font-size: 4vh;
    color: white;
    margin: 3vh 0 5vh 1vw;
}

.notices {
    backdrop-filter: blur(25px);
    position: fixed;
    width: 50vw;
    height: 50vh;
    /* left: 0;
    right: 0;
    top: 0;
    bottom: 0; */
    background-color: #1f1f1fc2;
    box-shadow: 0px 10px 50px 5px #00000060;
    display: flex;
    flex-direction: column;
    /* padding-top: 20px; */
    opacity: 0;
    z-index: 100;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    border-radius: 16px;
    margin: 25vh 25vw;
}

.notices.active {
    opacity: 1;
    visibility: visible;
}

.title-notice {
    padding-left: 10px;
    font-family: 'OPPO sans 4.0';
    font-weight: 200;
    font-size: 4vh;
    color: white;
    margin: 5vh 0 5vh 1vw;
}

.notice-btn {
    display: inline-block;
    display: flex;
    /* justify-content: center;  */
    align-items: center; /* 垂直居中 */
    height: 5.5vh;
    width: 48vw;
    background: none;
    border: none;
    color: white;
    font-family: 'OPPO sans 4.0';
    /* font-weight: 400; */
    font-size: 16px;
    cursor: pointer;
    padding-left: 15px;
    text-align: left;
    transition: background-color 0.2s ease;
    border-radius: 12px;
    margin: 0.3vh 1vw;
}
.notice-btn:hover {
    /* color: black; */
    background-color: rgba(255, 255, 255, 0.1);
}

/* 遮罩层 */
.overlay {
    backdrop-filter: blur(7px);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.1);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    z-index: 99;
}

.overlay.active {
    opacity: 1;
    visibility: visible;
}

.overlay2 {
    backdrop-filter: blur(7px);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.1);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    z-index: 99;
}

.overlay2.active {
    opacity: 1;
    visibility: visible;
}

/* 主容器和板块 */
.container {
    /* margin-left: 0; */
    transition: margin-left 0.3s ease;
}

.part-1 {
    background-color: aqua;
    /* height: 100vh; */
    /* width: 100vw; */
    z-index: 50;
}

.top {
    position: absolute;
    left: 0;
    /* top: 0; */
    background-color: #00000035;
    backdrop-filter: blur(12px);
    /* box-shadow: 0px 0px 30px 10px #0000004c; */
    width: 25vw;
    height: 100vh;
    z-index: 96;
}

.title1 {
    position: absolute;
    left: 0;
    bottom: 0.1vh;
    z-index: 98;
    font-family: 'HanaMin';
    font-size: 10vw;
    color: rgb(255, 255, 255);
}

.title2 {
    position: absolute;
    left: 0.8vw;
    bottom: 16vh;
    z-index: 98;
    font-family: 'OPPO sans 4.0';
    font-weight: 100;
    font-size: 3vw;
    color: #f5f5f5;
}

.down {
    position: relative;
    display: flex;
    flex-wrap: nowrap;
    flex-direction: column;
    height: 100vh;
    width: 100vw;
    z-index: 90;
}

.down .box1, .down .box2, .down .box3 {   
    position: relative;
    height: 33.33vh;
    width: 100vw;
    background-color: blueviolet;
    z-index: 90;
    
}
.down .box1{
    background: url('../res/image/IMG_20251127_205901.png') center;
}
.down .box2{
    background: url('../res/image/IMG_20251127_205920.png') center;
}
.down .box3{
    background: url('../res/image/IMG_20251127_205958.png') center;
    box-shadow: 0px -6vh 70px -10px inset #000000b3;
}

/* 响应式设计 */
@media (orientation: portrait) {
    .float-btn {
        padding: 0 15px;
    }

    .float-btn-left {
        gap: 10px;
    }

    .float-btn-title {
        font-size: 18px;
    }

    .float-btn-item {
        font-size: 12px;
        padding: 6px 10px;
        display: none;
    }
    .float-btn-menu {
        top: 18px;
    }

    
    .sidebar {
        width: 60vw;
        /* max-width: 300px; */
    } 

    .sidebar-btn {
        width: 58vw;
    }

    .top {
        position: absolute;
        /* left: 0; */
        bottom: 5vh;
        background-color: #00000035;
        backdrop-filter: blur(12px);
        box-shadow: 0px 0px 30px 10px #0000004c;
        height: 25vh;
        width: 100vw;
    }
    
    .down {
        position: relative;
        /* display: flex; */
        flex-wrap: nowrap;
        flex-direction: row;
    }


    .down .box1, .down .box2, .down .box3 {   
        position: relative;
        height: 100vh;
        width: 33.33vw;
        background-color: blueviolet;
        z-index: 90;
    }

    .title1 {
        left: 0;
        bottom: 5.1vh;
        z-index: 98;
        font-family: 'HanaMin';
        font-size: 12vh;
        color: rgb(255, 255, 255);
    }

    .title2 {
        right: 0.8vh;
        left: auto;
        bottom: 5.7vh;
        z-index: 98;
        font-family: 'OPPO sans 4.0';
        font-weight: 100;
        font-size: 3.5vh;
        color: #f5f5f5;
    }

}