/* ===== 产品详情页 - 现代化样式 ===== */

/* 面包屑 */
.detail-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 20px 0;
    color: rgba(255,255,255,.6);
    font-size: 14px;
}
.detail-breadcrumb a {
    color: rgba(255,255,255,.7);
    transition: color .25s ease;
}
.detail-breadcrumb a:hover { color: #fff; }
.detail-breadcrumb span { color: rgba(255,255,255,.9); font-weight: 600; }

/* 顶部Banner */
.detail-hero {
    background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #0f172a 100%);
    color: #fff;
    padding: 40px 0 60px;
    overflow: hidden;
    position: relative;
}
.hero-particles {
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
            repeating-linear-gradient(90deg, rgba(255,255,255,.015) 0px, rgba(255,255,255,.015) 1px, transparent 1px, transparent 60px),
            repeating-linear-gradient(0deg, rgba(255,255,255,.01) 0px, rgba(255,255,255,.01) 1px, transparent 1px, transparent 60px);
}
.detail-hero-inner {
    display: flex;
    align-items: center;
    gap: 48px;
    position: relative;
    z-index: 1;
}
.detail-hero-visual {
    position: relative;
    width: 160px;
    height: 160px;
    flex-shrink: 0;
    display: grid;
    place-items: center;
}
.dhv-ring {
    position: absolute;
    border: 1.5px solid rgba(108,196,255,.15);
    border-radius: 50%;
    animation: dhvRing 4s infinite linear;
}
.dhv-ring-1 { width: 120px; height: 120px; }
.dhv-ring-2 { width: 150px; height: 150px; animation-delay: 1.5s; border-color: rgba(47,125,246,.2); }
.dhv-ring-3 { width: 100px; height: 100px; animation-delay: 3s; border-color: rgba(108,196,255,.25); }
@keyframes dhvRing {
    0% { transform: scale(1); opacity: 0.8; }
    100% { transform: scale(1.5); opacity: 0; }
}
.dhv-icon {
    position: relative;
    z-index: 2;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: rgba(47,125,246,.15);
    display: grid;
    place-items: center;
    border: 1px solid rgba(47,125,246,.3);
    animation: iconFloat 3s ease-in-out infinite;
}
@keyframes iconFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}
.detail-hero-tag {
    font-size: 12px;
    letter-spacing: 3px;
    opacity: 0.7;
    display: inline-block;
    margin-bottom: 12px;
    padding: 5px 14px;
    border: 1px solid rgba(108,196,255,.3);
    border-radius: 999px;
    color: var(--accent-2, #6cc4ff);
}
.detail-hero h1 {
    font-size: clamp(2rem, 4vw, 2.8rem);
    margin-bottom: 16px;
    font-weight: 800;
}
.detail-hero p {
    opacity: 0.8;
    line-height: 1.8;
    margin-bottom: 28px;
    max-width: 560px;
    font-size: .95rem;
}
.detail-hero-actions { display: flex; gap: 14px; }
.detail-hero-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 28px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 700;
    transition: all .3s cubic-bezier(.4,0,.2,1);
}
.detail-hero-btn.primary {
    background: linear-gradient(135deg, var(--accent, #2f7df6), #1a5fd4);
    color: #fff;
    box-shadow: 0 4px 20px rgba(47,125,246,.35);
}
.detail-hero-btn.primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(47,125,246,.45);
}
.detail-hero-btn.secondary {
    border: 1.5px solid rgba(255,255,255,.35);
    color: #fff;
    background: transparent;
}
.detail-hero-btn.secondary:hover {
    background: rgba(255,255,255,.1);
    border-color: rgba(255,255,255,.6);
    transform: translateY(-2px);
}

/* 产品主体布局 */
.detail-content-section {
    padding: 60px 0 80px;
    background: #f8fafc;
}
.detail-main-layout {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 36px;
    align-items: start;
}

/* 图库 */
.detail-gallery {
    margin-bottom: 0;
}
.detail-main-image {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    cursor: pointer;
}
.detail-main-img-inner {
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 36px;
    position: relative;
    background: linear-gradient(135deg, #e8f0fe 0%, #d4e4f7 100%);
    min-height: 320px;
    transition: background .4s ease;
}
.detail-main-img-inner svg {
    transition: opacity .3s ease, transform .3s ease;
}
.detail-main-image:hover .detail-main-img-inner {
    filter: brightness(1.02);
}
.detail-zoom-hint {
    position: absolute;
    bottom: 14px;
    right: 14px;
    background: rgba(0,0,0,.5);
    backdrop-filter: blur(8px);
    color: #fff;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    display: flex;
    align-items: center;
    gap: 5px;
    opacity: 0;
    transform: translateY(6px);
    transition: all .3s ease;
}
.detail-main-image:hover .detail-zoom-hint {
    opacity: 1;
    transform: translateY(0);
}
.gallery-counter {
    position: absolute;
    top: 14px;
    left: 14px;
    background: rgba(0,0,0,.5);
    backdrop-filter: blur(8px);
    color: #fff;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: .05em;
}
.gallery-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: rgba(255,255,255,.9);
    color: #333;
    cursor: pointer;
    display: grid;
    place-items: center;
    box-shadow: 0 4px 16px rgba(0,0,0,.12);
    opacity: 0;
    transition: all .3s ease;
    z-index: 3;
}
.detail-main-image:hover .gallery-nav { opacity: 1; }
.gallery-nav:hover {
    background: var(--accent, #2f7df6);
    color: #fff;
    transform: translateY(-50%) scale(1.1);
}
.gallery-prev { left: 14px; }
.gallery-next { right: 14px; }

.detail-thumbs {
    display: flex;
    gap: 10px;
    margin-top: 14px;
}
.detail-thumb {
    border: 2px solid transparent;
    background: #f1f5f9;
    border-radius: 10px;
    padding: 6px;
    cursor: pointer;
    transition: all .3s ease;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}
.detail-thumb:hover {
    border-color: rgba(47,125,246,.3);
    background: #e8f0fe;
    transform: translateY(-2px);
}
.detail-thumb.active {
    border-color: var(--accent, #2f7df6);
    background: #e8f0fe;
    box-shadow: 0 4px 12px rgba(47,125,246,.2);
}

/* Tab 切换 */
.detail-info-tabs {
    margin-top: 32px;
}
.tabs-nav {
    display: flex;
    gap: 4px;
    background: #f1f5f9;
    border-radius: 12px;
    padding: 4px;
    margin-bottom: 24px;
}
.tab-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 16px;
    border: none;
    background: transparent;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    color: var(--muted, #6b7280);
    cursor: pointer;
    transition: all .3s ease;
}
.tab-btn:hover { color: var(--text, #1f2937); }
.tab-btn.active {
    background: #fff;
    color: var(--accent, #2f7df6);
    box-shadow: 0 2px 8px rgba(0,0,0,.06);
}

.tabs-content { position: relative; }
.tab-panel {
    display: none;
    animation: tabFadeIn .4s ease;
}
.tab-panel.active { display: block; }
@keyframes tabFadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 参数表格 */
.spec-table-wrap {
    overflow: hidden;
    border: 1px solid rgba(15,23,42,.08);
    border-radius: 14px;
    background: #fff;
}
.spec-table { width: 100%; border-collapse: collapse; }
.spec-table tr {
    border-bottom: 1px solid rgba(15,23,42,.06);
    transition: background .2s ease;
}
.spec-table tr:last-child { border-bottom: none; }
.spec-table tr:hover { background: rgba(47,125,246,.03); }
.spec-table th {
    width: 160px;
    background: #f8fafc;
    padding: 15px 16px;
    text-align: left;
    color: var(--primary, #0f172a);
    font-size: .9rem;
    font-weight: 700;
    position: relative;
}
.spec-table th::after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--accent, #2f7df6);
    transform: scaleY(0);
    transition: transform .3s ease;
}
.spec-table tr:hover th::after { transform: scaleY(1); }
.spec-table td {
    padding: 15px 16px;
    color: #555;
    font-size: .9rem;
}

/* 优势卡片 */
.advantage-cards {
    display: grid;
    gap: 12px;
}
.adv-card {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    background: #fff;
    border-radius: 12px;
    border: 1px solid rgba(15,23,42,.06);
    transition: all .3s cubic-bezier(.4,0,.2,1);
}
.adv-card:hover {
    transform: translateX(6px);
    border-color: rgba(47,125,246,.2);
    box-shadow: 0 8px 24px rgba(47,125,246,.08);
}
.adv-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    background: rgba(47,125,246,.08);
    color: var(--accent, #2f7df6);
    flex-shrink: 0;
    transition: all .3s ease;
}
.adv-card:hover .adv-icon {
    background: linear-gradient(135deg, var(--accent, #2f7df6), #6cc4ff);
    color: #fff;
    transform: scale(1.08) rotate(-5deg);
}
.adv-text strong {
    display: block;
    font-size: .95rem;
    color: var(--primary, #0f172a);
    margin-bottom: 4px;
}
.adv-text p {
    margin: 0;
    font-size: .85rem;
    color: var(--muted, #6b7280);
    line-height: 1.6;
}

/* 服务保障 */
.service-items { display: grid; gap: 0; }
.service-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 22px 0;
    border-bottom: 1px solid rgba(15,23,42,.06);
    transition: all .3s ease;
}
.service-item:last-child { border-bottom: none; }
.service-item:hover { padding-left: 8px; }
.service-num {
    font-size: 1.8rem;
    font-weight: 800;
    color: rgba(47,125,246,.15);
    line-height: 1;
    flex-shrink: 0;
    transition: color .3s ease;
}
.service-item:hover .service-num { color: rgba(47,125,246,.35); }
.service-info strong {
    display: block;
    font-size: .95rem;
    color: var(--primary, #0f172a);
    margin-bottom: 4px;
}
.service-info p {
    margin: 0;
    font-size: .85rem;
    color: var(--muted, #6b7280);
    line-height: 1.6;
}

/* 右侧信息卡片 */
.detail-right {
    position: sticky;
    top: 90px;
}
.detail-info-card {
    border: 1px solid rgba(15,23,42,.08);
    border-radius: 18px;
    padding: 28px;
    background: #fff;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 24px rgba(2,13,38,.06);
}
.card-badge {
    position: absolute;
    top: 16px;
    right: -30px;
    background: linear-gradient(135deg, var(--accent, #2f7df6), #6cc4ff);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    padding: 4px 36px;
    transform: rotate(45deg);
    letter-spacing: .05em;
}
.prod-name {
    font-size: 1.5rem;
    color: var(--primary, #0f172a);
    margin-bottom: 8px;
    font-weight: 800;
}
.prod-code {
    color: var(--muted, #6b7280);
    font-size: 13px;
    margin-bottom: 14px;
}
.prod-tag-group { display: flex; gap: 8px; margin-bottom: 20px; }
.tag {
    padding: 4px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
}
.tag.hot { background: #fee2e2; color: #dc2626; }
.tag.custom { background: #dbeafe; color: #2563eb; }
.tag.stock { background: #dcfce7; color: #16a34a; }

.prod-price-box {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-radius: 12px;
    padding: 18px 20px;
    margin-bottom: 20px;
}
.price-item { display: flex; align-items: baseline; gap: 12px; margin-bottom: 6px; }
.price-item label { font-size: 13px; color: #92400e; font-weight: 600; }
.price-num { font-size: 1.8rem; color: #dc2626; font-weight: 800; }
.price-tip {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: #a16207;
}

.prod-param-simple { margin-bottom: 20px; }
.param-row {
    display: flex;
    padding: 11px 0;
    border-bottom: 1px solid #f1f1f1;
    transition: background .2s ease;
}
.param-row:hover { background: rgba(47,125,246,.02); }
.param-key {
    width: 90px;
    color: var(--muted, #6b7280);
    font-size: 13px;
    flex-shrink: 0;
}
.param-val { color: var(--text, #1f2937); font-size: 13px; }

.prod-action-btns { display: grid; gap: 10px; margin-bottom: 20px; }
.action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px;
    border-radius: 10px;
    font-weight: 700;
    font-size: 14px;
    transition: all .3s cubic-bezier(.4,0,.2,1);
}
.primary-btn {
    background: linear-gradient(135deg, var(--accent, #2f7df6), #1a5fd4);
    color: #fff;
    box-shadow: 0 4px 16px rgba(47,125,246,.3);
}
.primary-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(47,125,246,.4);
}
.outline-btn {
    border: 1.5px solid var(--accent, #2f7df6);
    color: var(--accent, #2f7df6);
    background: transparent;
}
.outline-btn:hover {
    background: rgba(47,125,246,.06);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(47,125,246,.15);
}

.service-tel-box {
    background: #f8fafc;
    padding: 18px;
    border-radius: 12px;
    text-align: center;
    border: 1px dashed rgba(47,125,246,.2);
}
.service-tel-box p { margin: 0 0 4px; font-size: 12px; color: var(--muted, #6b7280); }
.tel-text {
    font-size: 1.4rem;
    color: var(--accent, #2f7df6);
    font-weight: 800;
    display: block;
    margin: 4px 0;
    transition: color .2s;
}
.tel-text:hover { color: #1a5fd4; }
.service-tel-box span { font-size: 11px; color: var(--muted, #6b7280); }

/* 推荐产品 */
.related-prod-card {
    margin-top: 20px;
    background: #fff;
    border-radius: 18px;
    padding: 24px;
    border: 1px solid rgba(15,23,42,.08);
    box-shadow: 0 4px 24px rgba(2,13,38,.06);
}
.related-prod-card h3 {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1rem;
    color: var(--primary, #0f172a);
    margin: 0 0 18px;
}
.related-list { display: flex; flex-direction: column; gap: 8px; }
.related-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 14px;
    border-radius: 12px;
    background: #f8fafc;
    border: 1px solid transparent;
    transition: all .3s ease;
}
.related-item:hover {
    background: #fff;
    border-color: rgba(47,125,246,.2);
    transform: translateX(4px);
    box-shadow: 0 4px 16px rgba(47,125,246,.08);
}
.related-img {
    width: 52px;
    height: 44px;
    border-radius: 8px;
    background: linear-gradient(135deg, #e8f0fe, #d4e4f7);
    display: grid;
    place-items: center;
    flex-shrink: 0;
}
.related-info { flex: 1; }
.related-name { font-size: 13px; font-weight: 700; color: var(--text, #1f2937); }
.related-desc { font-size: 11px; color: var(--muted, #6b7280); margin-top: 2px; }
.related-arrow {
    color: var(--muted, #6b7280);
    opacity: 0;
    transform: translateX(-4px);
    transition: all .3s ease;
}
.related-item:hover .related-arrow {
    opacity: 1;
    transform: translateX(0);
    color: var(--accent, #2f7df6);
}

/* 底部咨询横幅 */
.consult-banner {
    background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 100%);
    padding: 48px 0;
    position: relative;
    overflow: hidden;
}
.consult-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
            repeating-linear-gradient(90deg, rgba(255,255,255,.015) 0px, rgba(255,255,255,.015) 1px, transparent 1px, transparent 60px),
            repeating-linear-gradient(0deg, rgba(255,255,255,.01) 0px, rgba(255,255,255,.01) 1px, transparent 1px, transparent 60px);
}
.banner-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    position: relative;
    z-index: 1;
}
.banner-text h3 { color: #fff; font-size: 1.5rem; margin: 0 0 8px; font-weight: 800; }
.banner-text p { color: rgba(255,255,255,.7); margin: 0; font-size: .95rem; }
.banner-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    background: linear-gradient(135deg, var(--accent, #2f7df6), #6cc4ff);
    color: #fff;
    font-weight: 700;
    font-size: 14px;
    border-radius: 10px;
    transition: all .3s ease;
    box-shadow: 0 4px 20px rgba(47,125,246,.35);
    white-space: nowrap;
}
.banner-btn:hover {
    transform: translateY(-3px) scale(1.03);
    box-shadow: 0 8px 32px rgba(47,125,246,.45);
}

/* 图片灯箱 */
.image-lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.85);
    backdrop-filter: blur(12px);
    z-index: 1000;
    display: grid;
    place-items: center;
    opacity: 0;
    visibility: hidden;
    transition: all .35s ease;
}
.image-lightbox.show {
    opacity: 1;
    visibility: visible;
}
.lightbox-close {
    position: absolute;
    top: 24px;
    right: 24px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: none;
    background: rgba(255,255,255,.15);
    color: #fff;
    cursor: pointer;
    display: grid;
    place-items: center;
    transition: all .3s ease;
    z-index: 2;
}
.lightbox-close:hover {
    background: rgba(255,255,255,.3);
    transform: rotate(90deg) scale(1.1);
}
.lightbox-content {
    max-width: 70vw;
    max-height: 70vh;
    background: #fff;
    border-radius: 16px;
    padding: 40px;
    display: grid;
    place-items: center;
    transform: scale(.9);
    transition: transform .35s ease;
}
.image-lightbox.show .lightbox-content {
    transform: scale(1);
}

/* 滚动入场动画 */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity .6s ease, transform .6s ease;
}
.fade-in-visible {
    opacity: 1;
    transform: translateY(0);
}

/* 移动端适配 */
@media(max-width: 1200px) {
    .detail-main-layout { grid-template-columns: 1fr; }
    .detail-right { position: static; }
    .nav-links {
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: rgba(15,23,42,.98);
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 4px 6px rgba(0,0,0,.12);
        display: none;
    }
    .nav-links.show-mobile { display: flex; }
    .mobile-toggle { display: block; }
}
@media(max-width: 768px) {
    .detail-hero-inner { flex-direction: column; text-align: center; gap: 24px; }
    .detail-hero-visual { width: 120px; height: 120px; }
    .detail-hero h1 { font-size: 1.8rem; }
    .detail-hero-actions { justify-content: center; flex-wrap: wrap; }
    .banner-inner { flex-direction: column; text-align: center; }
    .tabs-nav { flex-direction: column; }
    .tab-btn { justify-content: flex-start; }
    .prod-action-btns { grid-template-columns: 1fr; }
}