/* --- 手册列表页专属样式 --- */
.container { max-width: 1280px; }

/* 手册页卡片较大，加大面板内边距避免内容贴近背景边框 */
.panel-section { padding: 50px 70px; }

.page-title {
    font-size: 28px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 8px;
    text-align: center;
}
.page-subtitle {
    text-align: center;
    color: #777;
    font-size: 14px;
    margin-bottom: 30px;
}

.filter-bar {
    padding: 15px 20px;
    margin: 0 20px 30px;
    display: flex;
    justify-content: center;
}
.filter-search {
    position: relative;
    width: 100%;
    max-width: 500px;
}
.filter-search input {
    width: 100%;
    padding: 12px 20px 12px 45px;
    border-radius: 25px;
    border: 1px solid rgba(0,0,0,0.08);
    background: #fff;
    outline: none;
    font-size: 14px;
}
.filter-search input:focus { border-color: #0056b3; }
.filter-search i {
    position: absolute;
    left: 18px;
    top: 50%;
    transform: translateY(-50%);
    color: #999;
}

.manual-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin: 0 20px;
}
.manual-card {
    background: #fff;
    border-radius: 16px;
    padding: 25px;
    border: 1px solid rgba(0,0,0,0.04);
    box-shadow: 0 4px 12px rgba(0,0,0,0.04);
    transition: 0.2s;
    cursor: pointer;
}
.manual-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}
.card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 18px;
}
.card-icon-box {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}
.card-category-name {
    font-size: 13px;
    color: #888;
    font-weight: 500;
}
.card-content { margin-bottom: 18px; }
.card-title {
    font-size: 17px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 8px;
    line-height: 1.4;
}
.card-desc {
    font-size: 13px;
    color: #666;
    line-height: 1.6;
}
.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 15px;
    border-top: 1px solid #f5f5f5;
}
.page-count {
    font-size: 12px;
    color: #999;
}
.page-count i { margin-right: 4px; }
.download-link {
    color: #0056b3;
    font-size: 13px;
    font-weight: 500;
    transition: 0.2s;
}
.download-link:hover { color: #004494; }

.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 40px;
}
.page-btn {
    min-width: 36px;
    height: 36px;
    padding: 0 10px;
    border-radius: 8px;
    border: 1px solid rgba(255,255,255,0.9);
    background: rgba(255,255,255,0.4);
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    color: #666;
    font-size: 14px;
}
.page-btn:hover { background: #fff; border-color: #ddd; }
.page-btn.active {
    background: #0056b3;
    color: #fff;
    border-color: #0056b3;
}
.page-btn.disabled { opacity: 0.4; pointer-events: none; }

@media (max-width: 992px) {
    .manual-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .manual-grid { grid-template-columns: 1fr; }
    .panel-section { padding: 30px 18px; }
    .filter-bar, .manual-grid { margin-left: 0; margin-right: 0; }
}