.supporting-section {
    width: 100%;
    max-width: 1728px;
    margin: 0 auto;
    background: #111111;
    height: 566px;
}

.section-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 0;
    padding: 30px;
}

.section-divider {
    width: 2px;
    height: 16px;
    background: #7639E5;
}

.section-title {
    color: #7639E5;
    font-family: Plain, sans-serif;
    font-size: 16px;
    letter-spacing: -0.4px;
}

.logo-grid {
    display: flex;
    justify-content: space-between;
    padding: 0 164px;
    margin-top: 0;
}

.logo-container {
    background: #111111;
    border: 1px solid #383634;
    width: 700px;
    min-width: 700px;
    min-height: 366px;
}

.logo-group {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    padding-left: 20px;
    width: 648px;
}

.logo-item {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 60px;
}

.logo-item img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.logo-item.empty {
    width: 60px;  /* 或者与其他 logo-item 相同的宽度 */
    height: 60px;
    visibility: hidden;  /* 让元素不可见但保持占位 */
}

@media (max-width: 1728px) {
    .logo-grid {
        padding-left: calc((100vw - 1400px) / 2);
        padding-right: calc((100vw - 1400px) / 2);
    }

    .worldbrain-section {
        width: 100%;
        max-width: 100%;
    }

    .worldbrain-video {
        width: 1728px;
        position: relative;
        left: 0;
    }

    .group-container {
        margin-left: 20px;
        width: auto;
        position: relative;
        z-index: 1;
    }

    .worldbrain-title {
        width: auto;
        max-width: 577px;
    }
}

@media (max-width: 768px) {
    .logo-group {
        gap: 10px;
    }
    
    .logo-item {
        padding: 0 10px;
    }
}

.worldbrain-section {
    width: 100%;
    max-width: 1728px;
    margin: 0 auto;
    background: #111111;
    height: 822px;
    padding-top: 100px;
    overflow: hidden;
    position: relative;
}

.worldbrain-video {
    width: 1728px;
    height: 559px;
    overflow: hidden;
    margin-top: 0;
    position: relative;
    z-index: 1; /* 确保视频在光晕下方 */
}

.worldbrain-video video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.footer {
    background-color: #111111;
    min-height: 360px;
    width: 100%;
    position: relative;
    padding: 100px 0;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background-color: #222222;
}

.footer-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.footer-logo-section {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.footer-logo {
    width: 94px;
    height: 32px;
}

.footer-copyright {
    color: rgba(248, 246, 232, 0.3);
    font-family: 'Plain', sans-serif;
    font-size: 16px;
    letter-spacing: -0.4px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.footer-links a {
    color: #F8F6E8;
    text-decoration: none;
    font-family: 'Plain', sans-serif;
    font-size: 16px;
    letter-spacing: -0.4px;
    transition: opacity 0.2s;
}

.footer-links a:hover {
    opacity: 0.8;
}

@media (max-width: 1024px) {
    .footer-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .footer-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer {
        padding: 60px 0;
    }
}

.group-container {
    width: 577px;
    height: 114px;
    margin-left: 164px;
    margin-right: auto;
    margin-top: -160px;
    padding: 0;
    position: relative;
    z-index: 9; /* 确保文本内容在视频上方，但在光晕下方 */
}

.worldbrain-title {
    color: rgb(248, 246, 232);
    font-size: 20px;
    font-weight: 400;
    line-height: 22px;
    letter-spacing: -0.4px;
    margin-bottom: 30px;
    width: 577px;
}

.worldbrain-title .highlight-text {
    font-family: 'Affairs Test';
    font-size: 24px;
    line-height: 26.4px;
    font-style: italic;
}

.worldbrain-button {
    display: inline-flex;
    align-items: center;
    padding: 10px 20px 12px;
    border-radius: 24px;
    border: 1px solid rgba(248, 246, 232, 0.4);
    transition: all 0.3s ease;
    text-decoration: none;
}

.worldbrain-button-text {
    color: rgb(248, 246, 232);
    font-size: 16px;
    font-family: 'Plain', sans-serif;
}

.worldbrain-button:hover {
    background: rgba(248, 246, 232, 0.1);
}

@media (max-width: 768px) {
    .group-container {
        width: auto;
        margin-left: 20px;
        margin-top: -30px;
        padding: 15px;
    }

    .worldbrain-title {
        font-size: 18px;
        line-height: 20px;
    }

    .worldbrain-button {
        padding: 8px 16px 10px;
    }

    .worldbrain-button-text {
        font-size: 14px;
    }

    .worldbrain-title .highlight-text {
        font-size: 22px;
        line-height: 24.2px;
    }
}

@media (max-width: 480px) {
    .worldbrain-title {
        font-size: 16px;
        line-height: 18px;
    }

    .worldbrain-title .highlight-text {
        font-size: 20px;
        line-height: 22px;
    }
}

/* 修改光晕效果的 CSS */
.purple-glow {
    position: absolute;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, 
        rgba(147, 96, 247, 0.45) 0%,
        rgba(147, 96, 247, 0.2) 35%,
        rgba(147, 96, 247, 0) 70%);
    border-radius: 50%;
    z-index: 10;
    mix-blend-mode: screen;
    cursor: pointer;
}

.glow-1 {
    top: 20%;
    left: 0;
    animation: glowPulse 4s infinite ease-in-out;
}

.glow-2 {
    top: 15%;
    left: 620px;
    animation: glowPulse 4s infinite ease-in-out 1s;
}

.glow-3 {
    top: 30%;
    left: 1200px;
    animation: glowPulse 4s infinite ease-in-out 2s;
}

@keyframes glowPulse {
    0% {
        opacity: 0.6; /* 增加基础不透明度 */
        transform: scale(1);
    }
    50% {
        opacity: 0.8; /* 增加峰值不透明度 */
        transform: scale(1.2);
    }
    100% {
        opacity: 0.6;
        transform: scale(1);
    }
}

/* 弹窗样式 */
.modal {
    display: none;
    position: absolute;
    top: 20%;
    left: 200px;
    transform: none;
    z-index: 1000;
}

.modal-backdrop {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
}

.group-container-modal {
    width: 320px;
    height: 400px;
    position: relative;
    margin: 0;
}

.background-rectangle {
    width: 100%;
    height: 100%;
    background-color: rgb(34, 34, 34);
    border-radius: 12px;
}

.content-frame {
    position: absolute;
    top: 30px;
    left: 20px;
    width: 280px;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.header-frame {
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: 100%;
}

.modal-title {
    font-family: 'Affairs Test', serif;
    font-style: italic;
    font-size: 20px;
    color: rgb(248, 246, 232);
    letter-spacing: -0.4px;
}

.modal-subtitle {
    font-family: 'Plain', sans-serif;
    font-size: 16px;
    color: rgb(118, 57, 229);
}

.modal-description {
    font-family: 'Plain', sans-serif;
    font-size: 14px;
    color: rgb(248, 246, 232);
    line-height: 1.4;
}

.visit-button {
    width: fit-content;
    padding: 10px 20px 12px;
    border: 1px solid rgba(248, 246, 232, 0.4);
    border-radius: 24px;
    display: flex;
    align-items: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.visit-button:hover {
    background-color: rgba(248, 246, 232, 0.1);
}

.visit-text {
    font-family: 'Plain', sans-serif;
    font-size: 16px;
    color: rgb(248, 246, 232);
}

/* 第二个弹窗的位置 */
.modal-2 {
    display: none;
    position: absolute;
    top: 15%;
    left: 760px; /* 位于第二个光晕右侧 */
    transform: none;
    z-index: 1000;
}

/* 第三个弹窗的位置 */
.modal-3 {
    display: none;
    position: absolute;
    top: 30%;
    left: 940px; /* 位于第三个光晕右侧 */
    transform: none;
    z-index: 1000;
}