.paper {
    display: flex;
    gap: 20px;
    margin-bottom: 28px;
    align-items: flex-start;
}

.paper-img img {
    width: 280px;
    border-radius: 10px;
    transition: transform 0.3s ease;
}

.paper-img img:hover {
    transform: scale(1.05);
}

.paper-content {
    flex: 1;
}

.paper-title {
    font-size: 18px;
    font-weight: 600;
    color: #1772d0;
    text-decoration: none;
}

.paper-title:hover {
    text-decoration: underline;
}

.paper-authors {
    margin: 6px 0;
    color: #333;
    font-size: 16px;
}

.paper-venue {
    font-size: 13px;
    color: #777;
    margin-bottom: 6px;
}

.paper-links a {
    display: inline-block;
    padding: 3px 10px;
    margin-right: 8px;
    font-size: 14px;
    border-radius: 6px;
    background: #f0f0f0;
    color: #333;
    text-decoration: none;
    transition: all 0.2s;
}

.paper-links a:hover {
    background: #1772d0;
    color: white;
}

@media (max-width: 768px) {
    .paper {
        flex-direction: column;
    }

    .paper-img img {
        width: 100%;
    }
}

/* 整体卡片 */
.talk {
    display: flex;
    gap: 20px;
    margin-bottom: 25px;
    padding: 18px;
    border-radius: 12px;
    background: #ffffff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    transition: all 0.25s ease;
}

.talk:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.1);
}

/* 左图 */
.talk-img img {
    width: 280px;
    border-radius: 8px;
    transition: transform 0.3s ease;
}


.talk-img img:hover {
    transform: scale(1.05);
}

/* 内容 */
.talk-content {
    flex: 1;
}

/* 标题 */
.talk-title {
    font-size: 18px;
    margin-bottom: 6px;
}

/* meta */
.talk-meta {
    font-size: 14px;
    color: #666;
    margin-bottom: 6px;
    display: flex;
    gap: 15px;
}

/* venue */
.talk-venue {
    font-size: 14px;
    margin-bottom: 8px;
}

/* 标签 */
.talk-tags {
    margin-bottom: 10px;
}

.tag {
    display: inline-block;
    padding: 2px 8px;
    font-size: 12px;
    border-radius: 6px;
    background: #eef3ff;
    color: #3b5bdb;
    margin-right: 6px;
}

/* 链接 */
.talk-links a {
    margin-right: 12px;
    text-decoration: none;
    font-size: 14px;
}

.talk-links a:hover {
    text-decoration: underline;
}

/* 响应式（手机） */
@media (max-width: 768px) {
    .talk {
        flex-direction: column;
    }

    .talk-img img {
        width: 100%;
    }
}



/* 两个相册并排 */
.album-row {
    display: flex;
    gap: 40px;
    align-items: flex-start;
}

/* 每个相册容器 */
.stack-album {
    position: relative;
    width: 240px;
    text-align: center;
}

/* ===== 相册A：叠加效果 ===== */
.img-back {
    position: absolute;
    top: 10px;
    left: 10px;
    width: 200px;
    transform: rotate(-4deg);
    z-index: 1;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.img-front {
    position: relative;
    width: 200px;
    transform: rotate(3deg);
    z-index: 2;
    box-shadow: 0 6px 14px rgba(0, 0, 0, 0.25);
}

.album-scroll-container {
    display: flex;
    gap: 40px;
    overflow-x: auto;
    padding: 20px 5px;
    scroll-behavior: smooth;
}

.stack-album {
    position: relative;
    width: 260px;
    height: 200px;
    flex-shrink: 0;
}

.stack-album:hover a {
    position: absolute;
    top: 0;
    left: 0;

    transform:
        translate(calc(var(--i) * 12px), calc(var(--i) * 12px))
        rotate(calc(var(--i) * -5deg));

    z-index: calc(10 - 2*var(--i));
}

.stack-album a {
    position: absolute;
    top: 0;
    left: 0;

    transform:
        translate(0)
        rotate(0);

    z-index: calc(0);
}

.stack-album a img {
    width: 240px;
    height: 160px;
    object-fit: cover;
    border-radius: 8px;
    transition: 0.3s;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}


.stack-album p {
    position: absolute;
    bottom: -30px;
    left: 0;
    width: 100%;
    text-align: center;
    font-size: 14px;
}