@import "../header.css";
@import "../footer.css";
@import "../dialog.css";

/* ============================================================
   资料下载 · 列表页
   现代企业级资料库风格 · 蓝色主色调
   ============================================================ */
:root {
    --mat-primary: #2563eb;
    --mat-primary-light: #eff6ff;
    --mat-primary-dark: #1d4ed8;
    --mat-blue: #3B82F6;
    --mat-orange: #F59E0B;
    --mat-bg: #F5F7FA;
    --mat-card: #ffffff;
    --mat-text: #1F2329;
    --mat-text-2: #6B7280;
    --mat-text-3: #9CA3AF;
    --mat-border: #E5E7EB;
    --mat-radius: 12px;
    --mat-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    --mat-shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.page-material {
    background: linear-gradient(180deg, #E8F4FF 0%, #F5F7FA 100%);
    min-height: 100vh;
    padding-top: var(--app-header-height);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

/* ---------- Hero 区域 ---------- */
.material-hero {
    height: 300px;
    background: url('https://siwei-ding.oss-cn-zhangjiakou.aliyuncs.com/uploads/image/20260811/79f899c7af23bae70ea816a5d3358259.png') no-repeat center center / cover;
    position: relative;
    overflow: hidden;
}

.material-hero__body {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    position: relative;
    z-index: 1;
    height: 100%;
}

.material-hero__left {
    max-width: 680px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
}

.material-hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    background: var(--mat-primary-light);
    color: var(--mat-primary);
    border-radius: 24px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 24px;
}

.material-hero__title {
    font-size: 36px;
    font-weight: 700;
    color: var(--mat-text);
    line-height: 1.3;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.material-hero__desc {
    font-size: 15px;
    color: var(--mat-text-2);
    line-height: 1.7;
    margin-bottom: 0;
    max-width: 350px;
}

/* 右侧热门推荐 */
.material-hero__right {
    width: 320px;
    flex-shrink: 0;
}

.material-hero__recommend {
    background: #fff;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.material-hero__recommend-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--mat-text);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--mat-border);
}

.material-hero__recommend-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.material-hero__recommend-item {
    display: flex;
    gap: 12px;
    padding: 10px;
    border-radius: 8px;
    transition: background 0.2s;
    cursor: pointer;
}

.material-hero__recommend-item:hover {
    background: var(--mat-bg);
}

.material-hero__recommend-cover {
    width: 60px;
    height: 80px;
    border-radius: 6px;
    overflow: hidden;
    flex-shrink: 0;
    background: linear-gradient(135deg, #E8F4FF 0%, #F5F7FA 100%);
}

.material-hero__recommend-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.material-hero__recommend-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.material-hero__recommend-name {
    font-size: 14px;
    font-weight: 500;
    color: var(--mat-text);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.material-hero__recommend-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--mat-text-3);
}

.material-hero__recommend-tag {
    padding: 2px 8px;
    background: var(--mat-primary-light);
    color: var(--mat-primary);
    border-radius: 4px;
    font-size: 11px;
}

/* ---------- 筛选栏 ---------- */
.material-filter {
    background: #fff;
    padding: 24px 0;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    margin: 20px auto 0;
    max-width: 1400px;
    position: relative;
    z-index: 2;
}

.material-filter__inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 30px;
}

.material-filter__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.material-filter__title {
    font-size: 18px;
    font-weight: 600;
    color: var(--mat-text);
}

.material-filter__search {
    display: flex;
    align-items: center;
    background: var(--mat-bg);
    border-radius: 20px;
    padding: 4px 4px 4px 16px;
    width: 260px;
    transition: all 0.3s;
    border: 1px solid transparent;
}

.material-filter__search:focus-within {
    background: #fff;
    border-color: var(--mat-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.material-filter__search-input {
    flex: 1;
    border: none;
    outline: none;
    font-size: 14px;
    padding: 8px 0;
    background: transparent;
    color: var(--mat-text);
    min-width: 0;
}

.material-filter__search-input::placeholder {
    color: var(--mat-text-3);
}

.material-filter__search-btn {
    width: 32px;
    height: 32px;
    background: var(--mat-primary);
    color: #fff;
    border: none;
    border-radius: 50%;
    font-size: 13px;
    cursor: pointer;
    transition: background 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.material-filter__search-btn:hover {
    background: var(--mat-primary-dark);
}

.material-filter__group {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    border-bottom: 1px solid var(--mat-border);
}

.material-filter__group:last-child {
    border-bottom: none;
}

.material-filter__label {
    flex-shrink: 0;
    width: 90px;
    font-size: 14px;
    color: var(--mat-text-2);
    font-weight: 500;
    line-height: 1.5;
    display: flex;
    align-items: center;
}

.material-filter__label .label-text,
.material-filter__selected-label .label-text {
    flex: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.material-filter__label .label-text>span,
.material-filter__selected-label .label-text>span {
    display: inline-block;
}

.material-filter__label .colon,
.material-filter__selected-label .colon {
    margin-left: 4px;
}

.material-filter__options {
    flex: 1;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-left: 10px;
}

.material-filter__option {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 6px 14px;
    font-size: 13px;
    color: var(--mat-text-2);
    background: var(--mat-bg);
    border-radius: 6px;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s;
    border: 1px solid transparent;
    white-space: nowrap;
}

.material-filter__option i {
    font-size: 12px;
    color: inherit;
    line-height: 1;
}

.material-filter__option:hover {
    background: var(--mat-primary-light);
    color: var(--mat-primary);
}

.material-filter__option.active {
    background: var(--mat-primary-light);
    color: var(--mat-primary);
    font-weight: 500;
    border-color: var(--mat-primary);
}

/* 移动端: 禁用hover粘滞效果，保留active选中态，增加:active按压反馈 */
@media (hover: none) {
    .material-filter__option:hover:not(.active) {
        background: var(--mat-bg);
        color: var(--mat-text-2);
        border-color: transparent;
    }

    .material-filter__option:active {
        background: var(--mat-primary-light);
        color: var(--mat-primary);
    }
}

/* 已选筛选条件 */
.material-filter__selected {
    background: #f8fafc;
    border-radius: 8px;
    transition: all 0.2s;
    margin-top: 8px;
    padding: 12px 16px;
}

.material-filter__selected.is-empty {
    padding: 12px 16px;
    background: #f8fafc;
}

.material-filter__selected-label {
    flex-shrink: 0;
    width: 90px;
    font-size: 14px;
    color: var(--mat-text-2);
    font-weight: 500;
    line-height: 1.5;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.material-filter__selected .material-filter__options {
    flex: 1;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

.material-filter__selected-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    background: var(--mat-primary-light);
    color: var(--mat-primary);
    border-radius: 16px;
    font-size: 12px;
    cursor: default;
}

.material-filter__selected-tag i {
    cursor: pointer;
    font-size: 10px;
    padding: 2px;
    border-radius: 50%;
    transition: all 0.2s;
}

.material-filter__selected-tag i:hover {
    background: var(--mat-primary);
    color: #fff;
}

.material-filter__clear {
    margin-left: auto;
    font-size: 13px;
    color: var(--mat-text-2);
    cursor: pointer;
    padding: 4px 12px;
    border-radius: 6px;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.material-filter__clear:hover {
    background: var(--mat-bg);
    color: var(--mat-primary);
}

/* 加载中 */
.material-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 80px 0;
}

.material-loading__spinner {
    width: 36px;
    height: 36px;
    border: 3px solid var(--mat-border);
    border-top-color: var(--mat-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-bottom: 16px;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.material-loading__text {
    font-size: 14px;
    color: var(--mat-text-3);
}

/* ---------- 资料列表 ---------- */
.material-list {
    padding: 40px 0 60px;
}

.material-list__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.material-list__title {
    font-size: 20px;
    font-weight: 600;
    color: var(--mat-text);
}

.material-list__count {
    font-size: 14px;
    color: var(--mat-text-3);
}

.material-list__count b {
    color: var(--mat-primary);
    font-weight: 600;
}

.material-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

/* 卡片 */
.material-card {
    background: var(--mat-card);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    border: 1px solid rgba(0, 0, 0, 0.03);
}

.material-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

/* 封面 */
.material-card__cover {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: linear-gradient(135deg, #E8F4FF 0%, #F5F7FA 100%);
}

.material-card__cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.material-card:hover .material-card__cover img {
    transform: scale(1.05);
}

/* 文件类型标签 */
.material-card__type {
    position: absolute;
    top: 10px;
    right: 12px;
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 600;
    color: #fff;
    border-radius: 4px;
}

.material-card__type--pdf {
    background: #EF4444;
}

.material-card__type--doc,
.material-card__type--docx {
    background: #3B82F6;
}

.material-card__type--xls,
.material-card__type--xlsx {
    background: #10B981;
}

.material-card__type--ppt,
.material-card__type--pptx {
    background: #F59E0B;
}

.material-card__type--zip,
.material-card__type--rar {
    background: #8B5CF6;
}

.material-card__type--txt {
    background: #6B7280;
}

/* 卡片内容 */
.material-card__body {
    padding: 14px;
    display: grid;
    grid-template-rows: auto auto auto 1fr;
    flex: 1;
}

.material-card__title {
    font-size: 15px;
    font-weight: 700;
    color: var(--mat-text);
    line-height: 1.4;
    margin-bottom: 8px;
    height: 42px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.material-card__desc {
    font-size: 13px;
    color: var(--mat-text-2);
    line-height: 1.5;
    margin-bottom: 12px;
    height: 39px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.material-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 10px;
    min-height: 22px;
}

.material-card__tag {
    padding: 2px 8px;
    font-size: 11px;
    color: var(--mat-primary);
    background: var(--mat-primary-light);
    border-radius: 4px;
}

.material-card__meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
    padding-top: 10px;
    border-top: 1px solid var(--mat-border);
    font-size: 12px;
    color: var(--mat-text-3);
}

.material-card__meta-item {
    display: flex;
    align-items: center;
    gap: 4px;
}

.material-card__meta-item i {
    font-size: 11px;
}

/* 空状态 */
.material-empty {
    text-align: center;
    padding: 80px 0;
}

.material-empty__icon {
    font-size: 64px;
    margin-bottom: 16px;
}

.material-empty__text {
    font-size: 18px;
    font-weight: 500;
    color: var(--mat-text);
    margin-bottom: 8px;
}

.material-empty__tip {
    font-size: 14px;
    color: var(--mat-text-3);
}

/* 分页 */
.material-pagination {
    display: flex;
    justify-content: center;
    margin-top: 40px;
}

.material-pagination .el-pagination.is-background .el-pager li:not(.disabled).active {
    background: var(--mat-primary);
}

.material-pagination .el-pagination.is-background .el-pager li:not(.disabled):hover {
    color: var(--mat-primary);
}

.material-pagination .el-pagination.is-background .btn-prev:hover,
.material-pagination .el-pagination.is-background .btn-next:hover {
    color: var(--mat-primary);
}

/* ---------- 响应式 ---------- */
@media (max-width: 1200px) {
    .material-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 992px) {
    .material-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .material-hero {
        height: 220px;
    }

    .material-hero__title {
        font-size: 24px;
    }

    .material-hero__desc {
        font-size: 13px;
    }

    .material-filter__head {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }

    .material-filter__search {
        width: 100%;
    }

    .material-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .material-filter__inner {
        padding: 0 16px;
    }

    .material-filter__group {
        flex-direction: column;
        gap: 8px;
        align-items: flex-start;
        padding: 10px 12px;
    }

    .material-filter__label {
        width: auto;
        padding-top: 0;
    }

    .material-filter__options {
        margin-left: 0;
        width: 100%;
        flex: none;
    }

    .material-filter__selected-label {
        width: auto;
    }
}

@media (max-width: 480px) {
    .material-hero__title {
        font-size: 22px;
    }

    .material-list__head {
        flex-direction: column;
        gap: 8px;
        align-items: flex-start;
    }

    .material-grid {
        grid-template-columns: 1fr;
    }

    .material-filter__search {
        font-size: 13px;
    }
}