/* ========================================
   一语科技 · 产品/案例列表页 专属样式
   暗色科技风 · 与 base.css 变量体系保持一致
   ======================================== */

/* ===== 侧边栏（与 newsCate 共用的侧栏卡片体系） ===== */
.pc-sidebar {
    display: flex;
    flex-direction: column;
    gap: 24px;
    position: sticky;
    top: 30px;
}
.side-card {
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 22px 22px 24px;
    position: relative;
    overflow: hidden;
    transition: all 0.35s;
}
.side-card:hover {
    border-color: var(--border-light);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}
.side-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 60px; height: 3px;
    background: var(--gradient-primary);
    border-radius: 0 0 4px 0;
}
.side-card-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 17px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}
.side-card-title .dot {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--gradient-primary);
    box-shadow: 0 0 10px var(--glow);
}
.side-card-title .title-icon { font-size: 20px; }

/* 分类列表 */
.side-cate-list { display: flex; flex-direction: column; gap: 6px; }
.side-cate-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 11px 14px;
    border-radius: 10px;
    font-size: 14px;
    color: var(--text-secondary);
    transition: all 0.25s;
    cursor: pointer;
    position: relative;
}
.side-cate-item:hover {
    background: rgba(24, 144, 255, 0.08);
    color: var(--text-primary);
    transform: translateX(3px);
}
.side-cate-item.active {
    background: rgba(24, 144, 255, 0.14);
    color: var(--text-primary);
    font-weight: 600;
}
.side-cate-item.active::before {
    content: '';
    position: absolute;
    left: 0; top: 50%;
    transform: translateY(-50%);
    width: 3px; height: 60%;
    border-radius: 0 3px 3px 0;
    background: var(--gradient-primary);
}
.side-cate-item .cate-label { display: flex; align-items: center; gap: 10px; }
.side-cate-item .cate-label .cate-icon { font-size: 16px; opacity: 0.85; }
.side-cate-item .cate-count {
    font-size: 12px;
    padding: 2px 9px;
    border-radius: 50px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
}
.side-cate-item.active .cate-count {
    background: var(--gradient-primary);
    color: #fff;
    font-weight: 600;
}

/* 咨询热线卡 */
.side-hotline {
    text-align: center;
    padding: 28px 20px 26px;
    background:
        radial-gradient(circle at 50% 0%, rgba(0, 212, 255, 0.12), transparent 60%),
        var(--gradient-card);
}
.side-hotline .hotline-icon {
    width: 56px; height: 56px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    font-size: 26px;
    margin-bottom: 14px;
    box-shadow: 0 8px 24px rgba(24, 144, 255, 0.35);
    animation: pcPulse 2.4s ease-in-out infinite;
}
@keyframes pcPulse {
    0%, 100% { transform: scale(1); box-shadow: 0 8px 24px rgba(24, 144, 255, 0.35); }
    50% { transform: scale(1.05); box-shadow: 0 8px 36px rgba(24, 144, 255, 0.55); }
}
.side-hotline .hotline-label {
    font-size: 12px;
    letter-spacing: 2px;
    color: var(--text-muted);
    margin-bottom: 8px;
}
.side-hotline .hotline-number {
    font-size: 22px;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
}
.side-hotline .hotline-time {
    font-size: 12px;
    color: var(--text-muted);
    padding-top: 10px;
    border-top: 1px dashed var(--border);
}

/* 联系卡 */
.side-contact {
    display: flex;
    flex-direction: column;
    gap: 14px;
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.7;
}
.side-contact .contact-row {
    display: flex;
    gap: 10px;
    align-items: flex-start;
}
.side-contact .contact-row .c-icon {
    font-size: 16px;
    margin-top: 1px;
    flex-shrink: 0;
}
.side-contact .contact-row .c-label {
    color: var(--text-muted);
    font-size: 12px;
    margin-bottom: 2px;
}
.side-contact .contact-row .c-value { color: var(--text-primary); font-weight: 500; }

/* ===== 通用内页 Hero 标题栏（产品+案例共用） ===== */
.pc-hero {
    position: relative;
    padding: 90px 0 70px;
    overflow: hidden;
    background:
        radial-gradient(ellipse at 10% 20%, rgba(0, 212, 255, 0.18), transparent 55%),
        radial-gradient(ellipse at 90% 60%, rgba(114, 46, 209, 0.2), transparent 55%),
        linear-gradient(180deg, #0a1628 0%, #060e1a 100%);
    border-bottom: 1px solid var(--border);
}
.pc-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(24, 144, 255, 0.07) 1px, transparent 1px),
        linear-gradient(90deg, rgba(24, 144, 255, 0.07) 1px, transparent 1px);
    background-size: 36px 36px;
    mask-image: radial-gradient(ellipse at center, #000 20%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse at center, #000 20%, transparent 80%);
    pointer-events: none;
}
.pc-hero::after {
    content: '⚙';
    position: absolute;
    right: 6%;
    top: 50%;
    transform: translateY(-50%);
    font-size: 220px;
    opacity: 0.06;
    pointer-events: none;
}
.pc-hero.case-mode::after { content: '🎯'; }
.pc-hero .inner { position: relative; z-index: 2; }

.pc-hero-top {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 20px;
    padding: 6px 16px;
    border-radius: 50px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
}
.pc-hero-top a { color: var(--text-secondary); transition: color 0.25s; }
.pc-hero-top a:hover { color: var(--primary-light); }
.pc-hero-top .crumb-sep { opacity: 0.5; }
.pc-hero-top .crumb-current { color: var(--primary-light); font-weight: 500; }

.pc-hero-title {
    font-size: 44px;
    font-weight: 800;
    line-height: 1.2;
    margin: 0 0 14px;
    background: linear-gradient(135deg, #ffffff 0%, #ffffff 40%, #00d4ff 80%, #722ed1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.pc-hero-subtitle {
    font-size: 16px;
    color: var(--text-secondary);
    max-width: 640px;
    line-height: 1.8;
    margin: 0;
}
.pc-hero-stats {
    display: flex;
    gap: 40px;
    margin-top: 28px;
}
.pc-hero-stats .stat-item .stat-num {
    font-size: 26px;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.pc-hero-stats .stat-item .stat-label {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ===== 主容器 ===== */
.pc-body {
    padding: 60px 0 80px;
    background: var(--bg-darker);
}
.pc-body-layout {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 40px;
    align-items: flex-start;
}
.pc-main { min-width: 0; }

/* ===== 筛选条 ===== */
.pc-filter-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 28px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
    gap: 16px;
}
.pc-cate-pills { display: flex; gap: 10px; flex-wrap: wrap; }
.pc-cate-pill {
    padding: 8px 18px;
    border-radius: 50px;
    font-size: 13px;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid transparent;
    transition: all 0.25s;
    cursor: pointer;
    white-space: nowrap;
}
.pc-cate-pill:hover {
    color: var(--text-primary);
    border-color: var(--border);
    background: rgba(24, 144, 255, 0.06);
}
.pc-cate-pill.active {
    background: var(--gradient-primary);
    color: #fff;
    font-weight: 600;
    box-shadow: 0 6px 18px rgba(24, 144, 255, 0.35);
}
.pc-count-tip { font-size: 13px; color: var(--text-muted); }
.pc-count-tip .count-num { color: var(--cyan); font-weight: 700; margin: 0 3px; }

/* ===== 产品卡片网格（3列） ===== */
.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.product-card {
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: 18px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    text-decoration: none;
    color: inherit;
}
.product-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 18px;
    padding: 1px;
    background: linear-gradient(135deg, transparent 30%, rgba(0, 212, 255, 0.3), rgba(114, 46, 209, 0.3));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.4s;
    pointer-events: none;
}
.product-card:hover {
    transform: translateY(-8px);
    border-color: transparent;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(24, 144, 255, 0.25);
}
.product-card:hover::before { opacity: 1; }
.product-card-thumb {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: linear-gradient(135deg, #1a2a45, #0a1628);
}
.product-card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.product-card:hover .product-card-thumb img { transform: scale(1.08); }
.product-card-thumb::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(6, 14, 26, 0.55) 100%);
    pointer-events: none;
}
.product-cate-tag {
    position: absolute;
    right: 14px;
    top: 14px;
    z-index: 2;
    padding: 5px 12px;
    border-radius: 50px;
    background: rgba(24, 144, 255, 0.85);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    box-shadow: 0 4px 14px rgba(24, 144, 255, 0.35);
}

.product-card-body {
    padding: 20px 22px 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    flex: 1;
}
.product-card-title {
    font-size: 17px;
    font-weight: 700;
    line-height: 1.5;
    color: var(--text-primary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 0.25s;
}
.product-card:hover .product-card-title {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.product-card-desc {
    font-size: 13px;
    line-height: 1.75;
    color: var(--text-secondary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}
.product-card-foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 12px;
    margin-top: auto;
    border-top: 1px dashed var(--border);
}
.product-card-feature {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 12px;
    color: var(--text-muted);
}
.product-card-readmore {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    font-weight: 600;
    color: var(--primary-light);
    transition: all 0.25s;
}
.product-card:hover .product-card-readmore {
    gap: 8px;
    color: var(--cyan);
}

/* ===== 案例卡片网格（2列，信息更丰富） ===== */
.case-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}
.case-card {
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: 18px;
    overflow: hidden;
    display: flex;
    gap: 0;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    text-decoration: none;
    color: inherit;
}
.case-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 18px;
    padding: 1px;
    background: linear-gradient(135deg, transparent 30%, rgba(0, 212, 255, 0.3), rgba(114, 46, 209, 0.3));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.4s;
    pointer-events: none;
}
.case-card:hover {
    transform: translateY(-6px);
    border-color: transparent;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(24, 144, 255, 0.25);
}
.case-card:hover::before { opacity: 1; }
.case-card-thumb {
    flex: 0 0 45%;
    max-width: 45%;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #1a2a45, #0a1628);
    min-height: 180px;
}
.case-card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.case-card:hover .case-card-thumb img { transform: scale(1.08); }
.case-card-thumb::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(6, 14, 26, 0.3), transparent 60%);
    pointer-events: none;
}
.case-card-body {
    flex: 1;
    padding: 22px 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    min-width: 0;
}
.case-card-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 10px;
}
.case-card-title {
    font-size: 18px;
    font-weight: 700;
    line-height: 1.45;
    color: var(--text-primary);
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 0.25s;
}
.case-card:hover .case-card-title {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.case-click-badge {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 50px;
    background: rgba(24, 144, 255, 0.12);
    color: var(--cyan);
    font-size: 12px;
    font-weight: 600;
}
.case-card-desc {
    font-size: 13.5px;
    line-height: 1.75;
    color: var(--text-secondary);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin: 0;
}
.case-card-foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 12px;
    margin-top: auto;
    border-top: 1px dashed var(--border);
}
.case-cate-tag {
    padding: 3px 10px;
    border-radius: 50px;
    background: rgba(24, 144, 255, 0.1);
    color: var(--primary-light);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.5px;
}
.case-cate-tag.cate-tech { background: rgba(114, 46, 209, 0.15); color: #b07bff; }
.case-card-actions { display: flex; gap: 10px; }
.case-action-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: var(--text-muted);
    padding: 4px 10px;
    border-radius: 6px;
    border: 1px solid var(--border);
    transition: all 0.25s;
    text-decoration: none;
}
.case-action-btn:hover {
    color: var(--cyan);
    border-color: var(--border-light);
    background: rgba(24, 144, 255, 0.06);
}
.case-action-btn.primary {
    color: var(--cyan);
    border-color: rgba(0, 212, 255, 0.35);
    background: rgba(0, 212, 255, 0.08);
}

/* ===== 空状态 ===== */
.pc-empty {
    grid-column: 1 / -1;
    padding: 80px 40px;
    text-align: center;
    border-radius: 16px;
    background: var(--gradient-card);
    border: 1px dashed var(--border);
}
.pc-empty .empty-icon { font-size: 64px; margin-bottom: 16px; opacity: 0.6; }
.pc-empty .empty-title { font-size: 18px; font-weight: 700; color: var(--text-primary); margin-bottom: 8px; }
.pc-empty .empty-desc { font-size: 14px; color: var(--text-muted); }

/* ===== 分页（与 news 一致） ===== */
.pc-pager-wrap {
    margin-top: 50px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
    padding: 22px 26px;
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: 14px;
}
.pc-pager-info { font-size: 13px; color: var(--text-secondary); }
.pc-pager-info .hl { color: var(--cyan); font-weight: 700; padding: 0 4px; }
.pc-pager-actions { display: flex; align-items: center; gap: 8px; }
.pc-pager-btn {
    min-width: 40px;
    height: 40px;
    padding: 0 16px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    font-size: 13px;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    transition: all 0.25s;
    cursor: pointer;
    text-decoration: none;
}
.pc-pager-btn:hover:not(.is-disabled) {
    color: var(--primary-light);
    border-color: var(--border-light);
    background: rgba(24, 144, 255, 0.08);
    transform: translateY(-1px);
}
.pc-pager-btn.active {
    background: var(--gradient-primary);
    border-color: transparent;
    color: #fff;
    font-weight: 600;
    box-shadow: 0 6px 18px rgba(24, 144, 255, 0.35);
}
.pc-pager-btn.is-disabled {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
}

/* ===== 分类描述卡（仅 productCate 使用时可选） ===== */
.pc-cate-desc {
    margin-bottom: 26px;
    padding: 22px 26px;
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-left: 3px solid var(--cyan);
    border-radius: 12px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
}
.pc-cate-desc .cat-icon {
    width: 48px; height: 48px;
    border-radius: 12px;
    flex-shrink: 0;
    display: flex; align-items: center; justify-content: center;
    font-size: 24px;
    background: var(--gradient-primary);
}
.pc-cate-desc .cat-info h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 6px;
}
.pc-cate-desc .cat-info p {
    font-size: 13.5px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .pc-hero { padding: 70px 0 50px; }
    .pc-hero-title { font-size: 34px; }
    .pc-hero::after { font-size: 160px; }
    .pc-body { padding: 40px 0 60px; }
    .pc-body-layout { grid-template-columns: 1fr; gap: 30px; }
    .pc-sidebar { position: static; flex-direction: row; flex-wrap: wrap; }
    .pc-sidebar .side-card { flex: 1; min-width: 240px; }
    .product-grid { grid-template-columns: repeat(2, 1fr); }
    .case-grid { grid-template-columns: 1fr; }
    .case-card { flex-direction: column; }
    .case-card-thumb { flex: 0 0 auto; max-width: 100%; min-height: 200px; }
}
@media (max-width: 768px) {
    .pc-hero { padding: 50px 0 40px; }
    .pc-hero-title { font-size: 28px; }
    .pc-hero-subtitle { font-size: 14px; }
    .pc-hero-stats { gap: 24px; margin-top: 20px; }
    .pc-hero-stats .stat-item .stat-num { font-size: 22px; }
    .pc-body { padding: 30px 0 40px; }
    .product-grid { grid-template-columns: 1fr; }
    .pc-sidebar .side-card { min-width: 100%; }
    .pc-filter-bar { flex-direction: column; align-items: flex-start; }
    .pc-pager-wrap { flex-direction: column; align-items: flex-start; }
}