/* 重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Helvetica Neue', Arial, sans-serif;
    letter-spacing: 0px;
}


body {
    background-color: white;
    color: black;
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: black;
}

ul {
    list-style: none;
}

/* 固定元素 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 30px;
    background-color: transparent;
    z-index: 1000;
}

.logo-container {
    display: flex;
    align-items: flex-start;
}

.logo {
    height: 70px;
    margin-right: 0;
    margin-top: 5px;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-text span {
    font-weight: bold;
    line-height: 1.2;
}

.lgdx {
    font-size: 14px;
    letter-spacing: 1px;
}

.design-studio {
    font-size: 18px;
    letter-spacing: -0.5px;
}

.brand-tag {
    font-size: 18px;
    letter-spacing: -0.5px;
}

.side-nav {
    position: fixed;
    left: 0;
    top: 100px;
    height: calc(100vh - 200px);
    padding: 20px;
    z-index: 900;
    background-color: transparent;
}

.side-nav ul {
    display: flex;
    flex-direction: column;
    gap: 0px;
}

.side-nav a {
    font-weight: bold;
    transition: all 0.3s ease;
    font-size: 18px;
}

.side-nav a:hover {
    opacity: 0.7;
}

.footer {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 20px;
    background-color: transparent;
    z-index: 1000;
    font-size: 14px;
}

/* 主要内容 */
.main-content {
    margin-top: 120px;
    padding-bottom: 100px;

}

.section {
    display: grid;
    grid-template-columns: 1fr 2fr 1fr;
    margin-bottom: 120px;
    min-height: 70vh;
}

.left-column, .center-column, .right-column {
    padding: 20px;
}

.center-column {
    /* 移除边框 */
}

.who-we-are h2 {
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 15px;
}

.center-column p {
    margin-bottom: 10px;
    font-size: 14px;
    line-height: 1.6;
}

.separator {
    margin: 20px 0;
}

/* 基础信息部分 */
.foundation h2, .foundation h3 {
    font-weight: bold;
    font-size: 16px;
}

.foundation .right-column {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding-top: 50px;
}

.pixel-logo {
    width: 100%;
    max-width: 200px;
}

.big-logo {
    width: 100%;
    max-width: 150px;
}

/* 像素图形 - 简化的黑色像素熊 */
.pixel-graphic {
    width: 100px;
    height: 100px;
    position: relative;
    margin-top: 20px;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    grid-template-rows: repeat(5, 1fr);
    gap: 2px;
}

.pixel-graphic::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: transparent;
    box-shadow: 
        0px 0px 0 20px #000, /* 第一行 */
        20px 0px 0 20px #000,
        40px 0px 0 20px #000,
        60px 0px 0 20px #000,
        80px 0px 0 20px #000,
        
        0px 20px 0 20px #000, /* 第二行 */
        20px 20px 0 20px #000,
        40px 20px 0 20px #000,
        60px 20px 0 20px #000,
        80px 20px 0 20px #000,
        
        0px 40px 0 20px #000, /* 第三行 */
        20px 40px 0 20px #000,
        60px 40px 0 20px #000,
        80px 40px 0 20px #000,
        
        0px 60px 0 20px #000, /* 第四行 */
        20px 60px 0 20px #000,
        40px 60px 0 20px #000,
        60px 60px 0 20px #000,
        80px 60px 0 20px #000,
        
        0px 80px 0 20px #000, /* 第五行 */
        20px 80px 0 20px #000,
        40px 80px 0 20px #000,
        60px 80px 0 20px #000,
        80px 80px 0 20px #000;
}

.udline {
    text-decoration: underline;
}

/* 英文文本 */
.english-text {
    font-size: 14px;
    line-height: 1.4;
    margin-top: 20px;
    color: #444;
}

/* 响应式调整 */
@media (max-width: 1024px) {
    .main-content {
        margin-left: 150px;
    }
    
    .section {
        grid-template-columns: 0.5fr 2fr 0.5fr;
    }
}

@media (max-width: 768px) {
    .header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .side-nav {
        width: 100%;
        top: 80px;
        height: auto;
        background-color: transparent;
    }
    
    .side-nav ul {
        flex-direction: row;
        justify-content: space-between;
    }
    
    .main-content {
        margin-left: 0;
        margin-top: 150px;
    }
    
    .section {
        grid-template-columns: 1fr;
    }
}

/* 图片轮播样式 */
.image-slider {
    position: fixed;
    left: 30px;
    bottom: 60px;
    z-index: 950;
    width: 150px;
    height: 150px;
    overflow: hidden;
    border-radius: 0;
    box-shadow: none;
    background-color: transparent;
    cursor: pointer;
    --transition-speed: 0.05s;
}

.slider-container {
    width: 100%;
    height: 100%;
    position: relative;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    opacity: 0;
    transition: opacity var(--transition-speed) linear;
    transform: scale(1);
    will-change: opacity;
}

.slide.active {
    opacity: 1;
    transform: scale(1);
    transition: opacity var(--transition-speed) linear;
}

.slider-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: transparent;
    pointer-events: none;
    z-index: 2;
}

.slider-overlay::after {
    content: none;
}

.image-slider.playing .slider-overlay::after {
    opacity: 0;
}

.image-slider.paused .slider-overlay::after {
    opacity: 0;
}

.image-slider:hover {
    animation: none;
}

.playing .slide.active {
    animation: none;
}

@media (max-width: 768px) {
    .image-slider {
        left: 20px;
        bottom: 70px;
        width: 100px;
        height: 100px;
    }
}