/* 重置和基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #e5e5e5;
    background-color: #0a0a0a;
    font-size: 16px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 英雄横幅 */
.hero-banner {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
    width: 100vw;
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
}

.hero-video-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
}

.hero-video {
    width: 100vw;
    height: 100vh;
    object-fit: cover;
    object-position: center center;
    opacity: 0;
    transition: opacity 0.8s ease;
    position: absolute;
    top: 0;
    left: 0;
}

.hero-video.loaded {
    opacity: 1;
}

.hero-fallback-image {
    width: 100vw;
    height: 100vh;
    object-fit: cover;
    object-position: center center;
    position: absolute;
    top: 0;
    left: 0;
}

.hero-preload-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    z-index: 1;
    opacity: 1;
    transition: opacity 0.8s ease;
}

.hero-video.loaded ~ .hero-preload-image {
    opacity: 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1;
}

.hero-banner .hero-content {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

.hero-banner .hero-title {
    font-size: clamp(4rem, 12vw, 10rem);
    font-weight: 700;
    margin-bottom: 2rem;
    color: #ffffff;
    letter-spacing: 0.05em;
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
    display: flex;
    justify-content: center;
    flex-wrap: nowrap;
    gap: 0.05em;
    white-space: nowrap;
    overflow: hidden;
}

.hero-banner .char {
    display: inline-block;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
}

.hero-banner .char:hover {
    transform: translateY(-10px) scale(1.2);
    color: #ff2bff;
    text-shadow: 
        0 0 10px #ff2bff,
        0 0 20px #ff2bff,
        0 0 30px #ff2bff,
        0 0 40px #ff2bff;
    animation: glow 0.6s ease-in-out;
}

@keyframes glow {
    0% {
        text-shadow: 0 0 5px #ff2bff;
    }
    50% {
        text-shadow: 
            0 0 10px #ff2bff,
            0 0 20px #ff2bff,
            0 0 30px #ff2bff,
            0 0 40px #ff2bff;
    }
    100% {
        text-shadow: 
            0 0 10px #ff2bff,
            0 0 20px #ff2bff,
            0 0 30px #ff2bff,
            0 0 40px #ff2bff;
    }
}

.hero-banner .hero-subtitle {
    font-size: 1.5rem;
    font-weight: 300;
    color: #ffffff;
    letter-spacing: 0.05em;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
    opacity: 0.9;
}

/* 播放按钮 */
.play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 3;
    cursor: pointer;
    text-align: center;
    transition: all 0.3s ease;
    background-color: rgba(0, 0, 0, 0.6);
    border-radius: 50px;
    padding: 20px 30px;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.play-button:hover {
    background-color: rgba(0, 0, 0, 0.8);
    border-color: rgba(255, 255, 255, 0.6);
    transform: translate(-50%, -50%) scale(1.05);
}

.play-icon {
    font-size: 3rem;
    color: #ffffff;
    margin-bottom: 10px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.play-text {
    font-size: 1rem;
    color: #ffffff;
    font-weight: 500;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

/* 介绍区域 */
.intro-section {
    padding: 120px 0 80px;
    text-align: center;
}

.intro-content {
    max-width: 800px;
    margin: 0 auto;
}

.intro-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: #ffffff;
    letter-spacing: -0.02em;
}

.intro-subtitle {
    font-size: 1.25rem;
    font-weight: 400;
    margin-bottom: 2rem;
    color: #b3b3b3;
    line-height: 1.7;
}

.intro-description {
    font-size: 1rem;
    font-weight: 400;
    margin-bottom: 1.5rem;
    color: #999999;
    line-height: 1.7;
}

/* 主要内容区域 */
.main-content {
    padding: 80px 0;
}

.careers-section {
    max-width: 800px;
    margin: 0 auto;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 3rem;
    color: #ffffff;
    text-align: center;
    letter-spacing: -0.01em;
}

/* 职位分类 */
.job-category {
    margin-bottom: 4rem;
}

.category-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: #ffffff;
    border-bottom: 2px solid #333333;
    padding-bottom: 0.5rem;
}

/* 职位表格 */
.job-table {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.job-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    /* border-bottom: 1px solid #333333; */
    transition: background-color 0.2s ease;
}

.job-row:hover {
    background-color: #1a1a1a;
}

.job-link {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    text-decoration: none;
    color: inherit;
    transition: all 0.2s ease;
}

.job-link:hover {
    color: inherit;
}

.job-row:last-child {
    border-bottom: none;
}

.job-title {
    font-size: 1.1rem;
    font-weight: 500;
    color: #ffffff;
    text-decoration: underline;
    text-underline-offset: 4px;
    flex: 1;
}

.job-location {
    font-size: 1rem;
    font-weight: 400;
    color: #999999;
    text-align: right;
    min-width: 120px;
}

/* 页脚 */
.footer {
    padding: 60px 0 40px;
    text-align: center;
    border-top: 1px solid #333333;
}

.footer-content {
    max-width: 800px;
    margin: 0 auto;
}

.footer-text {
    font-size: 1rem;
    font-weight: 400;
    color: #999999;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
    
    .hero-banner {
        height: 80vh;
        width: 100vw;
        margin-left: calc(-50vw + 50%);
        margin-right: calc(-50vw + 50%);
    }
    
    .hero-video {
        width: 100vw;
        height: 100vh;
        object-fit: cover;
        object-position: center center;
    }
    
    .hero-fallback-image {
        width: 100vw;
        height: 100vh;
        object-fit: cover;
        object-position: center center;
    }
    
    .hero-preload-image {
        width: 100vw;
        height: 100vh;
        background-size: cover;
        background-position: center center;
    }
    
    .hero-banner .hero-title {
        gap: 0.03em;
    }
    
    .hero-banner .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .play-button {
        padding: 15px 25px;
    }
    
    .play-icon {
        font-size: 2.5rem;
    }
    
    .play-text {
        font-size: 0.9rem;
    }
    
    .intro-section {
        padding: 80px 0 60px;
    }
    
    .intro-title {
        font-size: 2.5rem;
    }
    
    .intro-subtitle {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .job-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
        padding: 1rem 0;
    }
    
    .job-location {
        text-align: left;
        min-width: auto;
        font-size: 0.9rem;
        color: #cccccc;
    }
    
    .main-content {
        padding: 60px 0;
    }
}

@media (max-width: 480px) {
    .hero-banner {
        height: 70vh;
        width: 100vw;
        margin-left: calc(-50vw + 50%);
        margin-right: calc(-50vw + 50%);
    }
    
    .hero-video {
        width: 100vw;
        height: 100vh;
        object-fit: cover;
        object-position: center center;
    }
    
    .hero-fallback-image {
        width: 100vw;
        height: 100vh;
        object-fit: cover;
        object-position: center center;
    }
    
    .hero-preload-image {
        width: 100vw;
        height: 100vh;
        background-size: cover;
        background-position: center center;
    }
    
    .hero-banner .hero-title {
        gap: 0.02em;
    }
    
    .hero-banner .hero-subtitle {
        font-size: 1rem;
    }
    
    .intro-title {
        font-size: 2rem;
    }
    
    .intro-subtitle {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .category-title {
        font-size: 1.25rem;
    }
}

/* 平滑滚动 */
html {
    scroll-behavior: smooth;
}

/* 链接样式 */
a {
    color: #ffffff;
    text-decoration: underline;
    text-underline-offset: 4px;
    transition: color 0.2s ease;
}

a:hover {
    color: #cccccc;
}

/* 竖屏模式 - 当屏幕高度大于宽度时 */
@media (orientation: portrait) and (min-height: 100vw) {
    .hero-banner {
        height: 100vw;
        width: 100vw;
        margin-left: calc(-50vw + 50%);
        margin-right: calc(-50vw + 50%);
    }
    
    .hero-video {
        width: 100vw;
        height: 100vw;
        object-fit: cover;
        object-position: center center;
    }
    
    .hero-fallback-image {
        width: 100vw;
        height: 100vw;
        object-fit: cover;
        object-position: center center;
    }
    
    .hero-preload-image {
        width: 100vw;
        height: 100vw;
        background-size: cover;
        background-position: center center;
    }
    
    .hero-video-container {
        height: 100vw;
    }
}

/* 选择文本样式 */
::selection {
    background-color: rgba(255, 43, 255, 1);
    color: #ffffff;
}

#backgroundVideo video::-webkit-media-controls {
    display: none !important;
}