body {
    background-image: none;
    background-color: azure;
}

/* 增强型视频布局 */
.video-container {
    padding: 100px 5% 50px;
}

.video-group {
    max-width: 1200px;
    margin: 0 auto;
}

.language-switch {
    display: flex;
    gap: 15px;
    margin: 30px 0;
}

.lang-btn {
    padding: 12px 25px;
    background: linear-gradient(135deg, var(--wood) 0%, var(--ink) 100%);
    color: white;
    border: none;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(110, 91, 76, 0.2);
    display: flex;
    align-items: center;
    gap: 8px;
}

.lang-btn i {
    font-size: 1.1em;
}

.lang-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(110, 91, 76, 0.3);
}

.bilingual-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-bottom: 50px;
}

.video-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    transition: transform 0.4s cubic-bezier(0.23, 1, 0.32, 1);
    position: relative;
}

.video-card:hover {
    transform: translateY(-8px);
}

.video-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: rgba(255, 255, 255, 0.9);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.9em;
    backdrop-filter: blur(4px);
}

.video-thumb {
    height: 280px;
    background-size: cover;
    position: relative;
    background-position: center;
}

.play-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s;
}

.video-card:hover .play-overlay {
    opacity: 1;
}

.play-icon {
    color: white;
    font-size: 3.5rem;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.3));
}

.video-content {
    padding: 25px;
    background: linear-gradient(to bottom, #ffffff 70%, var(--paper));
}

.video-title {
    font-size: 1.4em;
    margin-bottom: 12px;
    color: var(--ink);
    position: relative;
    padding-left: 28px;
}

.video-title:before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    background: var(--accent);
    border-radius: 4px;
}

.video-desc {
    color: #666;
    line-height: 1.6;
    margin-bottom: 20px;
    min-height: 60px;
}

.detail-btn {
    display: inline-flex;
    align-items: center;
    padding: 10px 20px;
    background: linear-gradient(45deg, var(--mountain), var(--accent));
    color: white;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.3s;
    gap: 8px;
}

.detail-btn i {
    font-size: 0.9em;
}

.detail-btn:hover {
    box-shadow: 0 5px 15px rgba(122, 157, 150, 0.3);
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .bilingual-row {
        grid-template-columns: 1fr;
    }

    .video-thumb {
        height: 200px;
    }
}



/* 智能导航栏样式 */
.smart-nav {
    position: fixed;
    left: -260px;
    top: 50%;
    transform: translateY(-50%);
    width: 300px;
    height: 70vh;
    z-index: 1000;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 0 20px 20px 0;
    box-shadow: 5px 5px 30px rgba(0, 0, 0, 0.1);
    padding: 20px;
}

.smart-nav:hover {
    left: -10px;
}

.nav-trigger {
    position: absolute;
    right: -40px;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 100px;
    background: var(--wood);
    border-radius: 0 20px 20px 0;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 3px 3px 15px rgba(0, 0, 0, 0.2);
}

.nav-trigger i {
    transform: rotate(90deg);
    animation: bounce 2s infinite;
}

@keyframes bounce {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(5px);
    }
}

.nav-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.nav-item {
    padding: 12px 20px;
    border-radius: 12px;
    background: rgba(110, 91, 76, 0.1);
    transition: all 0.3s;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.nav-item:before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    width: 3px;
    height: 100%;
    background: var(--accent);
    transform: scaleY(0);
    transition: transform 0.3s;
}

.nav-item:hover {
    background: rgba(110, 91, 76, 0.05);
    transform: translateX(10px);
}

.nav-item.active {
    background: rgba(110, 91, 76, 0.08);
}

.nav-item.active:before {
    transform: scaleY(1);
}

/* 调整视频容器位置 */
.video-container {
    padding-left: 60px;
}

@media (max-width: 768px) {
    .smart-nav {
        display: none;
        /* 移动端使用原有导航 */
    }

    .video-container {
        padding-left: 5%;
    }
}




/* 新增图片专属样式 */
.gallery-container {
    padding: 100px 5% 50px;
}

.filter-bar {
    max-width: 1200px;
    margin: 0 auto 40px;
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 25px;
    background: rgba(110, 91, 76, 0.1);
    border: none;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s;
    color: var(--ink);
    position: relative;
}

.filter-btn.active {
    background: linear-gradient(135deg, var(--wood) 0%, var(--ink) 100%);
    color: white;
}

.masonry-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3,1fr);
    column-gap: 30px;
}

.photo-card {
    break-inside: avoid;
    margin-bottom: 30px;
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    transition: transform 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}

.photo-card:hover {
    transform: translateY(-8px);
}

.photo-meta {
    padding: 20px;
    background: linear-gradient(to bottom, #ffffff 70%, var(--paper));
}

.photo-tags {
    margin-bottom: 12px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.photo-tag {
    padding: 6px 12px;
    background: rgba(110, 91, 76, 0.1);
    border-radius: 20px;
    font-size: 0.9em;
}

.photo-title {
    font-size: 1.2em;
    margin-bottom: 10px;
    color: var(--ink);
    display: flex;
    align-items: center;
    gap: 10px;
}

.photo-title:before {
    content: "📷";
    font-size: 0.9em;
}

.photo-desc {
    color: #666;
    line-height: 1.6;
    margin-bottom: 15px;
}

.photo-thumb {
    height: 300px;
    background-size: cover;
    background-position: center;
    position: relative;
    transition: transform 0.3s;
}

.zoom-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s;
}

.photo-card:hover .zoom-overlay {
    opacity: 1;
}

.zoom-icon {
    color: white;
    font-size: 2.5rem;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.3));
}

@media (max-width: 992px) {
    .masonry-grid {
        columns: 2;
    }
}

@media (max-width: 768px) {
    .masonry-grid {
        columns: 1;
    }
}