/* 主容器 */
.main-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 20px 20px 40px;
}
/* 详情头部 */
.detail-header {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 24px;
    display: flex;
    gap: 24px;
    box-shadow: var(--shadow-md);
    margin-bottom: 22px;
    flex-wrap: wrap;
}
.detail-cover {
    width: 220px;
    height: 300px;
    border-radius: var(--radius);
    overflow: hidden;
    flex-shrink: 0;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
}
.detail-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.detail-info {
    flex: 1;
    min-width: 260px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.detail-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--gray-800);
    display: flex;
    align-items: center;
    gap: 10px;
}
.detail-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px;
    font-size: 13px;
    color: var(--gray-500);
}
/* 评分移到最右边 */
.rating-score {
    margin-left: auto;
    color: #f59e0b;
    font-weight: 700;
    font-size: 18px;
    display: flex;
    align-items: center;
    gap: 4px;
    background: var(--gray-50);
    padding: 6px 16px;
    border-radius: 20px;
    border: 1px solid var(--gray-200);
}
.rating-score i {
    font-size: 16px;
}
.detail-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.detail-tags a {
    padding: 4px 10px;
    border-radius: 14px;
    background: var(--purple-50);
    color: var(--purple-600);
    font-size: 12px;
    font-weight: 500;
    border: 1px solid var(--purple-200);
}
.detail-desc {
    font-size: 13.5px;
    color: var(--gray-600);
    line-height: 1.7;
    background: var(--gray-50);
    padding: 12px 14px;
    border-radius: var(--radius);
    border-left: 3px solid var(--purple-400);
}
.detail-stats {
    display: flex;
    gap: 20px;
    font-size: 13px;
    color: var(--gray-500);
    flex-wrap: wrap;
}
.detail-stats span strong {
    color: var(--gray-700);
    font-size: 15px;
}
.detail-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 4px;
}
.btn-primary {
    padding: 11px 28px;
    border-radius: 24px;
    background: linear-gradient(135deg, var(--purple-600), var(--purple-700));
    color: #fff !important;
    font-weight: 600;
    border: none;
    cursor: pointer;
    font-size: 14px;
    box-shadow: 0 4px 12px rgba(147, 51, 234, 0.3);
    transition: var(--transition);
    cursor: pointer !important;
}
.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(147, 51, 234, 0.4);
}
.btn-outline {
    padding: 11px 28px;
    border-radius: 24px;
    background: var(--white);
    color: var(--purple-600);
    border: 2px solid var(--purple-300);
    font-weight: 600;
    cursor: pointer;
    font-size: 14px;
    transition: var(--transition);
}
.btn-outline:hover {
    background: var(--purple-50);
    border-color: var(--purple-400);
}
.btn-outline.collected {
    background: var(--purple-600);
    color: #fff;
    border-color: var(--purple-600);
}
/* 内容两栏布局 */
.content-layout {
    display: flex;
    gap: 22px;
}
.main-left {
    flex: 8;
    min-width: 0;
}
.main-right {
    flex: 2;
    min-width: 240px;
}
/* 章节区块 */
.section-box {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 18px 20px;
    box-shadow: var(--shadow-md);
    margin-bottom: 20px;
}
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 14px;
    flex-wrap: wrap;
    gap: 8px;
}
.section-title {
    font-size: 17px;
    font-weight: 700;
    color: var(--gray-800);
    display: flex;
    align-items: center;
    gap: 8px;
}
.section-title::before {
    content: '';
    width: 4px;
    height: 18px;
    background: linear-gradient(180deg, var(--purple-600), var(--red-500));
    border-radius: 2px;
}
.chapter-status {
    font-size: 13px;
    color: var(--gray-500);
    background: var(--gray-50);
    padding: 4px 12px;
    border-radius: 14px;
}
.sort-toggle {
    display: flex;
    border: 2px solid var(--gray-200);
    border-radius: 20px;
    overflow: hidden;
}
.sort-btn {
    padding: 6px 14px;
    font-size: 12px;
    cursor: pointer;
    background: var(--white);
    color: var(--gray-600);
    border: none;
    transition: var(--transition);
    font-weight: 500;
}
.sort-btn.active {
    background: var(--purple-600);
    color: #fff;
}
.sort-btn:not(.active):hover {
    background: var(--gray-50);
}
/* 章节网格 */
.chapter-grid-wrapper {
    overflow: hidden;
    transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
.chapter-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}
.chapter-item {
    padding: 10px 12px;
    background: var(--gray-50);
    border-radius: var(--radius-sm);
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid var(--gray-200);
    font-size: 13px;
    color: var(--gray-700);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.chapter-item:hover {
    background: var(--purple-50);
    border-color: var(--purple-300);
    color: var(--purple-600);
}
.chapter-item.latest {
    border-left: 3px solid var(--red-500);
    font-weight: 600;
}
.chapter-toggle-btn {
    margin-top: 12px;
    text-align: center;
    padding: 8px 20px;
    border-radius: 20px;
    border: 2px solid var(--gray-200);
    background: var(--white);
    color: var(--gray-600);
    cursor: pointer;
    font-size: 13px;
    transition: var(--transition);
    width: 100%;
}
.chapter-toggle-btn:hover {
    background: var(--purple-50);
    border-color: var(--purple-300);
    color: var(--purple-600);
}
/* 推荐卡片行 */
.recommend-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}
.small-comic-card {
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
}
.small-comic-card:hover {
    border-color: var(--purple-200);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}
.small-comic-card .cover {
    width: 100%;
    aspect-ratio: 3/4;
    overflow: hidden;
    background: var(--gray-100);
}
.small-comic-card .cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.small-comic-card .card-info {
    padding: 8px 10px 10px;
}
.small-comic-card .card-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-800);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.small-comic-card .card-meta {
    font-size: 11px;
    color: var(--gray-500);
    display: flex;
    justify-content: space-between;
    margin-top: 3px;
}
/* 右侧榜单 */
.right-list-box {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 14px 16px;
    box-shadow: var(--shadow-md);
    margin-bottom: 18px;
}
.right-list-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.right-list-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 4px;
    border-bottom: 1px dashed var(--gray-200);
    cursor: pointer;
    transition: var(--transition);
    font-size: 13px;
    color: var(--gray-700);
}
.right-list-item:hover {
    background: var(--purple-50);
    border-radius: var(--radius-sm);
}
.right-list-item .rank-num {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    font-weight: 700;
    flex-shrink: 0;
    color: var(--gray-600);
}
.right-list-item:nth-child(-n+3) .rank-num {
    background: var(--purple-600);
    color: #fff;
}
.right-list-item .rank-title {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.right-list-item .rank-view {
    font-size: 11px;
    color: var(--gray-400);
}
/* 底部 */
.footer {
    background: var(--gray-800);
    color: var(--gray-300);
    padding: 28px 20px 24px;
    text-align: center;
    font-size: 13px;
    line-height: 2;
    margin-top: 30px;
}
.footer a {
    color: var(--purple-400);
    text-decoration: none;
}
.footer a:hover {
    color: #fff;
}
.footer .footer-links {
    display: flex;
    justify-content: center;
    gap: 18px;
    flex-wrap: wrap;
    margin-bottom: 8px;
}
.footer .footer-divider {
    color: var(--gray-600);
}
/* Toast */
.toast {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--purple-700);
    color: #fff;
    padding: 11px 26px;
    border-radius: 22px;
    font-weight: 600;
    font-size: 13.5px;
    z-index: 9999;
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.25);
    animation: toastIn 0.3s ease, toastOut 0.3s ease 1.6s forwards;
}
@keyframes toastIn {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}
@keyframes toastOut {
    from {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    to {
        opacity: 0;
        transform: translateX(-50%) translateY(-15px);
    }
}
@media (max-width: 900px) {
    .content-layout {
        flex-direction: column;
    }
    .main-right {
        order: -1;
    }
    .chapter-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .recommend-row {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 600px) {
    .detail-header {
        flex-direction: column;
        align-items: center;
    }
    .detail-cover {
        width: 160px;
        height: 220px;
    }
    .chapter-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .rating-score {
        margin-left: 0;
        align-self: flex-start;
    }
}