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

body {
    font-family: 'Segoe UI', 'Helvetica Neue', Arial, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: #181a1b;
    color: #f3f3f3;
}

.topbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 60px;
    background: rgba(35, 39, 46, 0.9);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.2rem;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.13);
    backdrop-filter: blur(4px);
    z-index: 100;
}

.site-title {
    font-size: 1.5rem;
    font-weight: bold;
    letter-spacing: 1px;
}

.navbar {
    display: flex;
    gap: 2rem;
}

.navbar a {
    color: #f3f3f3;
    text-decoration: none;
    font-size: 1rem;
    transition: color 0.2s;
}

.navbar a:hover {
    color: #4ea1f7;
}

body {
    padding-top: 60px;
}

main {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    padding: 2rem;
}

.section {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.text-content {
    flex: 1;
}

.text-content h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.text-content p {
    font-size: 1rem;
    line-height: 1.6;
    color: #b0b8c1;
}

.text-content a {
    color: #9ecdff;
    text-decoration: none;
}

.carousel {
    position: relative;
    width: 50%;
    height: 45vw;
    overflow: hidden;
    background: #23272e;
    flex-shrink: 0;
    display: flex;
    cursor: pointer;
    text-decoration: none;
}

.carousel-img {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.video-box {
    width: 50%;
    height: 45vw;
    background: #23272e;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.video-box video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.gallery-page {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    padding: 2rem;
}

.gallery-row {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.gallery-caption {
    font-size: 1.5rem;
    font-weight: 600;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
}

.gallery-item {
    aspect-ratio: 7 / 8;
    background: #23272e;
    border-radius: 6px;
    overflow: hidden;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.cta-section {
    text-align: center;
    padding: 2rem;
    margin-top: 2rem;
}

.cta-section h1 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.cta-section p {
    font-size: 1.1rem;
    color: #b0b8c1;
}

.cta-section a {
    color: #9ecdff;
    text-decoration: none;
}

.detail-page {
    padding: 2rem;
}

.detail-layout {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
    margin-bottom: 3rem;
}

.detail-video {
    width: 50%;
    height: 100%;
    background: #23272e;
    flex-shrink: 0;
}

.detail-video video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.detail-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.detail-title {
    font-size: 1.8rem;
    font-weight: 600;
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.detail-item {
    aspect-ratio: 1 / 1;
    background: #23272e;
    border-radius: 6px;
    overflow: hidden;
}

.detail-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}