/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 基础样式：中英文字体兜底，优先方正仿宋 */
html, body {
    height: 100vh;
    overflow: hidden;
    font-family: "FZFangSong", "FangSong", "STFangsong", "SimSun", "Times New Roman", serif;
}

/* 初始隐藏页面内容，加载完成后显示 */
body {
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}
body.page-loaded {
    opacity: 1;
}

/* 背景轮播容器 */
.bg-slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}
.bg-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
    background-size: cover;
    background-position: center;
}
.bg-slide.active {
    opacity: 1;
}

/* 背景黑色蒙版 */
.bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1;
}

/* 核心内容容器 */
.content-wrapper {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

/* Logo样式：中英文适配 */
.logo {
    position: absolute;
    top: 1.5rem;
    left: 1.5rem;
    color: white;
}
.logo h1 {
    font-family: "PingFang SC", "Microsoft YaHei", "Arial", sans-serif;
    font-weight: bold;
    letter-spacing: 0.1em;
    font-size: clamp(1.5rem, 3vw, 2.5rem);
}
/* 英文通用样式：无衬线字体，适配阅读 */
.en-text {
    font-family: "Arial", "Helvetica Neue", "Microsoft YaHei", sans-serif;
    font-weight: 400;
    letter-spacing: 0.05em;
}
/* 英文小字样式：适配竖排/底部小字体 */
.en-small {
    font-family: "Arial", "Helvetica Neue", sans-serif;
    font-size: clamp(0.6rem, 1.5vw, 0.8rem);
    font-weight: 300;
    letter-spacing: 0.03em;
    opacity: 0.9;
}

/* 中间荣誉文字容器 */
.honor-container {
    flex: 1;
    display: flex;
    align-items: flex-start;
    justify-content: flex-start;
    padding-left: 3rem;
    padding-top: 8rem;
}
.honor-list {
    display: flex;
    align-items: flex-start;
    gap: 2rem;
    color: white;
    font-size: clamp(1.2rem, 4vw, 2rem);
}

/* 竖版文字核心样式：替换为方正仿宋 */
.vertical-text {
    writing-mode: vertical-rl;
    text-orientation: upright;
    white-space: nowrap;
    /* 核心修改：方正仿宋优先级最高，兜底为普通仿宋/宋体 */
    font-family: "FZFangSong", "FangSong", "STFangsong", "SimSun", serif;
    font-weight: 400; /* 方正仿宋标准字重，适配传统排版 */
    letter-spacing: 2px;
}
.vertical-text .en-small {
    writing-mode: horizontal-tb;
    display: inline-block;
    margin: 0 0.5em;
    text-align: center;
}

/* 文字渐入动画 */
.honor-item {
    opacity: 0;
    transform: translateX(20px);
    transition: all 0.8s ease-out;
}
.honor-item.show {
    opacity: 1;
    transform: translateX(0);
}

/* 底部合作信息样式：中英文适配 */
.coop-footer {
    color: white;
    padding: 1rem 2rem;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    background-color: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(2px);
}
.coop-qrcode {
    width: 80px;
    height: 80px;
    background-color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #165DFF;
    font-size: 12px;
    text-align: center;
}
.coop-email {
    font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: 16px;
    line-height: 1.5;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .honor-container {
        padding-left: 1.5rem;
        padding-top: 6rem;
    }
    .honor-list {
        gap: 1rem;
    }
    .coop-footer {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }
    .coop-email {
        font-size: 14px;
        text-align: center;
    }
}