/* ===== 产品详情页专属样式 ===== */
@media (max-width: 480px) {

/* 产品TAGS标签栏样式 */
.product-detail-page .product-tags-section {
    margin: 20px 0 8px 0;
}
.product-detail-page .tags-wrapper {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px 16px;
    padding: 14px 20px;
    background: #f8fafc;
    border-radius: 20px;
    border: 1px solid #ecf3f9;
    transition: all 0.2s ease;
}
.product-detail-page .tags-wrapper:hover {
    border-color: #d5dce6;
    background: #f9fbfd;
}
.product-detail-page .tags-prefix {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #1e3a5f;
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
    flex-shrink: 0;
}
.product-detail-page .tags-prefix i {
    color: #2563eb;
    font-size: 0.9rem;
}
.product-detail-page .tags-prefix span {
    border-right: 2px solid #dce3ec;
    padding-right: 14px;
}
.product-detail-page .tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.product-detail-page .tag-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #ffffff;
    color: #1e3a5f;
    padding: 5px 16px 5px 14px;
    border-radius: 40px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid #e8edf5;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.02);
    transition: all 0.25s ease;
    text-decoration: none !important;
    cursor: pointer;
}
.product-detail-page .tag-item i {
    color: #2563eb;
    font-size: 0.7rem;
}
.product-detail-page .tag-item:hover {
    background: #eff6ff;
    border-color: #2563eb;
    color: #1e3a5f !important;
    transform: translateY(-2px);
    box-shadow: 0 6px 14px rgba(37, 99, 235, 0.12);
    text-decoration: none !important;
}
.product-detail-page .tag-hot {
    background: #eff6ff;
    border-color: #dbeafe;
    color: #1e40af;
}
.product-detail-page .tag-hot i {
    color: #2563eb;
}
.product-detail-page .tag-hot:hover {
    background: #bfdbfe !important;
    border-color: #1e40af !important;
    color: #1e40af !important;
}
.product-detail-page .tag-item:link,
.product-detail-page .tag-item:visited,
.product-detail-page .tag-item:active,
.product-detail-page .tag-item:focus {
    color: #1e3a5f;
    text-decoration: none !important;
}
.product-detail-page .tag-hot:link,
.product-detail-page .tag-hot:visited,
.product-detail-page .tag-hot:active,
.product-detail-page .tag-hot:focus {
    color: #1e40af;
    text-decoration: none !important;
}
}

/* 产品详情页布局 */
.product-detail-grid {
    display: grid;
    grid-template-columns: 360px 1fr;
    gap: 32px;
    margin: 20px 0 60px;
    align-items: flex-start;
}

/* 左侧列：图片 + 参数 + 下载 */
.gallery-section,
.params-section,
.download-section {
    background: #fff;
    border-radius: 28px;
    padding: 24px;
    margin-bottom: 28px;
    border: 1px solid #edf2f9;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.02);
}
.img-container {
    position: relative;
    aspect-ratio: 1 / 1;
    width: 100%;
    border-radius: 24px;
    overflow: hidden;
    background: #eef2f9;
}
.img-slide {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    object-position: center;
    transition: opacity 0.4s ease;
}
.corner-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: #ffffff;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.3px;
    padding: 6px 14px;
    border-radius: 30px;
    box-shadow: 0 3px 12px rgba(37, 99, 235, 0.35);
    z-index: 5;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border: 1.5px solid #fff;
    transition: all 0.25s ease;
}
.corner-badge i {
    font-size: 0.65rem;
    opacity: 0.95;
}
.img-container:hover .corner-badge {
    transform: scale(1.08) translateY(-2px);
    box-shadow: 0 5px 16px rgba(37, 99, 235, 0.45);
}

/* 多图轮播 */
.gallery-container {
    position: relative;
}
.gallery-thumbs {
    display: flex;
    gap: 10px;
    margin-top: 14px;
    padding: 10px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 14px;
}
.gallery-thumb {
    flex: 1;
    aspect-ratio: 1 / 1;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.25s ease;
    min-width: 0;
    background: #e2e8f0;
}
.gallery-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.gallery-thumb:hover {
    border-color: #3b82f6;
    transform: translateY(-2px);
    box-shadow: 0 4px 14px rgba(59, 130, 246, 0.2);
}
.gallery-thumb.active {
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.25);
}
@media (max-width: 768px) {
    .gallery-thumbs {
        gap: 6px;
        margin-top: 10px;
        padding: 8px;
    }
    .gallery-thumb {
        border-radius: 6px;
    }
}

/* 小标题（基本参数/资料下载共用） */
.section-subtitle {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: #1e3a5f;
    display: flex;
    align-items: center;
    gap: 10px;
    border-left: 4px solid #2563eb;
    padding-left: 16px;
}

/* 基本参数表格 */
.param-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.param-item {
    display: flex;
    align-items: center;
    background: #fafcfe;
    border: 1px solid #edf2f9;
    border-radius: 14px;
    padding: 12px 16px;
    font-size: 0.9rem;
    transition: all 0.25s ease;
    cursor: default;
}
.param-item:nth-child(even) {
    background: #f5f8fb;
}
.param-item:hover {
    background: #eff6ff;
    border-color: #bfdbfe;
    transform: translateX(4px);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.08);
}
.param-item:hover .param-label {
    color: #2563eb;
}
.param-label {
    min-width: 70px;
    font-weight: 600;
    color: #1e3a5f;
    font-size: 0.85rem;
    padding: 2px 14px 2px 0;
    border-right: 1px solid #e2e9f2;
    margin-right: 14px;
    flex-shrink: 0;
    transition: color 0.2s ease;
}
.param-value {
    flex: 1;
    color: #3e5a6b;
    font-size: 0.9rem;
    line-height: 1.5;
}

/* 打印链接 */
.print-link-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid #eef2f8;
}
.print-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #f3f7fc;
    color: #1e3a5f;
    font-size: 0.85rem;
    font-weight: 600;
    padding: 10px 22px;
    border-radius: 40px;
    text-decoration: none;
    transition: all 0.25s ease;
    border: 1px solid transparent;
}
.print-link i {
    color: #2563eb;
    font-size: 0.9rem;
    transition: transform 0.2s ease;
}
.print-link:hover {
    background: #eff6ff;
    border-color: #bfdbfe;
    color: #2563eb;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(37, 99, 235, 0.1);
}
.print-link:hover i {
    transform: rotate(-10deg);
}
.print-hint {
    font-size: 0.75rem;
    color: #7e95aa;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.print-hint i {
    color: #2563eb;
    font-size: 0.75rem;
}

/* 资料下载 */
.download-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 18px;
    background: #fafcfe;
    border: 1px solid #edf2f9;
    border-radius: 14px;
    margin-bottom: 8px;
    transition: all 0.25s ease;
}
.download-item:nth-child(even) {
    background: #f5f8fb;
}
.download-item:hover {
    background: #eff6ff;
    border-color: #bfdbfe;
    transform: translateX(4px);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.08);
}
.download-item:last-child {
    margin-bottom: 0;
}
.download-info {
    display: flex;
    align-items: center;
    gap: 14px;
    flex: 1;
}
.download-info i {
    font-size: 1.3rem;
    color: #2563eb;
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.download-info > div {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.download-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: #1e3a5f;
    line-height: 1.4;
}
.download-size {
    font-size: 0.72rem;
    color: #64748b;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    background: #fff;
    border-radius: 20px;
    font-weight: 500;
    border: 1px solid #e2e8f0;
    width: fit-content;
}
.download-btn {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    padding: 8px 20px;
    border-radius: 40px;
    font-size: 0.78rem;
    font-weight: 500;
    color: #fff;
    text-decoration: none;
    transition: all 0.25s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.2);
}
.download-btn:hover {
    background: linear-gradient(135deg, #1d4ed8 0%, #1e40af 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

/* 右侧：产品信息 */
.product-hero h1 {
    font-size: 1.85rem;
    font-weight: 700;
    color: #1f2e3a;
    margin-bottom: 16px;
    display: flex;
    align-items: flex-start;
    gap: 14px;
    line-height: 1.35;
    letter-spacing: -0.3px;
    padding-bottom: 18px;
    border-bottom: 2px solid #eef2f8;
    position: relative;
}
.product-hero h1::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, #2563eb, #60a5fa);
    border-radius: 2px;
}
.product-hero h1 i {
    color: #2563eb;
    background: linear-gradient(135deg, #eff6ff, #dbeafe);
    padding: 10px 12px;
    border-radius: 16px;
    font-size: 1.3rem;
    flex-shrink: 0;
    box-shadow: 0 2px 6px rgba(37, 99, 235, 0.12);
}
.product-tagline-wrapper {
    margin-top: 8px;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}
.brand-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 18px;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: #fff !important;
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.3px;
    border-radius: 60px;
    border: 1.5px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 3px 10px rgba(16, 185, 129, 0.25);
    text-decoration: none !important;
    transition: all 0.3s cubic-bezier(0.2, 0.9, 0.3, 1.1);
    cursor: pointer;
    flex-shrink: 0;
    margin-left: auto;
}
.brand-btn i {
    font-size: 0.95rem;
    opacity: 0.95;
}
.brand-btn:hover {
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
    transform: translateY(-2px);
    box-shadow: 0 5px 14px rgba(16, 185, 129, 0.38);
}
@media (max-width: 520px) {
    .brand-btn {
        padding: 6px 14px;
        font-size: 0.75rem;
        gap: 6px;
    }
    .brand-btn i {
        font-size: 0.88rem;
    }
    .product-tagline-wrapper {
        gap: 8px;
    }
}
.product-tagline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #eff6ff;
    border-radius: 60px;
    padding: 6px 18px;
    font-size: 0.85rem;
    font-weight: 500;
    color: #1e40af;
    border: 1px solid #dbeafe;
    transition: all 0.2s ease;
}
.product-tagline .tagline-icon i {
    font-size: 0.8rem;
    color: #2563eb;
}
.product-tagline .tagline-text {
    letter-spacing: 0.3px;
}
.product-tagline:hover {
    background: #dbeafe;
    border-color: #93c5fd;
    transform: translateY(-1px);
}
.detail-card {
    background: #fff;
    border-radius: 28px;
    padding: 26px;
    margin-bottom: 32px;
    border: 1px solid #ecf3f9;
    box-shadow: 0 6px 14px rgba(0, 0, 0, 0.02);
}
.detail-text {
    font-size: 0.92rem;
    color: #2d3e4e;
    line-height: 1.85;
    margin-bottom: 22px;
    letter-spacing: 0.01em;
    overflow-x: hidden;
}
.detail-text img {
    max-width: 100% !important;
    height: auto !important;
    border-radius: 14px;
    margin: 8px 0;
}
.detail-text table {
    max-width: 100% !important;
}

.detail-text p {
    margin-bottom: 1rem;
    line-height: 1.85;
}
.detail-text p:last-child {
    margin-bottom: 0;
}
.detail-text p:first-of-type {
    margin-top: 0;
}

.detail-text a.infotextkey {
    color: #2563eb;
    font-weight: 600;
    text-decoration: none;
    background: linear-gradient(transparent 62%, #dbeafe 62%);
    padding: 0 2px;
    border-radius: 4px;
    transition: all 0.25s ease;
    border-bottom: 1px dotted rgba(37, 99, 235, 0.4);
    cursor: pointer;
}

.detail-text a.infotextkey:hover {
    color: #1e40af;
    background: linear-gradient(transparent 50%, #93c5fd 50%);
    border-bottom-color: #2563eb;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.18);
    transform: translateY(-1px);
}

.detail-text a.infotextkey:active {
    transform: translateY(0);
    box-shadow: none;
}

.detail-text a.infotextkey:visited {
    color: #4f46e5;
}

.detail-text a.infotextkey:visited:hover {
    color: #1e40af;
}
.detail-text h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-top: 2.2rem;
    margin-bottom: 1rem;
    color: #1e3a5f;
    display: flex;
    align-items: center;
    gap: 10px;
    letter-spacing: -0.1px;
    padding: 10px 16px;
    background: linear-gradient(135deg, #f0f6ff 0%, #f8fbff 100%);
    border-radius: 14px;
    border-left: 4px solid #2563eb;
    position: relative;
    line-height: 1.4;
}
.detail-text h3::before {
    content: '\f022';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 0.85rem;
    color: #2563eb;
    opacity: 0.85;
}
.detail-text h3:first-of-type {
    margin-top: 0;
}
.detail-text strong {
    background: linear-gradient(135deg, #eff6ff, #e0edff);
    color: #1e40af;
    font-weight: 700;
    padding: 2px 10px;
    border-radius: 10px;
    font-size: 0.9em;
    box-decoration-break: clone;
    -webkit-box-decoration-break: clone;
    transition: all 0.2s ease;
    border: 1px solid #dbeafe;
}
.detail-text strong:hover {
    background: linear-gradient(135deg, #dbeafe, #bfdbfe);
    color: #1e3a5f;
}
.detail-text blockquote {
    margin: 1.8rem 0;
    padding: 1.4rem 2rem;
    background: #f0f9ff;
    border-left: 5px solid #2563eb;
    border-radius: 20px;
    font-style: normal;
    color: #1e3a5f;
    font-size: 0.95rem;
    font-weight: 500;
    box-shadow: 0 2px 6px rgba(0,0,0,0.02);
    position: relative;
    transition: all 0.2s;
    line-height: 1.7;
}
.detail-text blockquote p {
    margin-bottom: 0;
    line-height: 1.7;
}
.detail-text blockquote::before {
    content: "\201C";
    font-family: serif;
    font-size: 2.4rem;
    color: #2563eb;
    opacity: 0.4;
    position: absolute;
    left: 16px;
    top: -4px;
}
.detail-text blockquote strong {
    background: #dbeafe;
    color: #1e40af;
}

/* ========= 产品问答（FAQ）手风琴高级版 ========= */
.faq-section {
    background: linear-gradient(145deg, #ffffff 0%, #f8fbff 60%, #f5f3ff 100%);
    border-radius: 32px;
    padding: 0;
    margin-bottom: 32px;
    border: 1px solid rgba(99, 102, 241, 0.08);
    box-shadow:
        0 20px 45px -20px rgba(59, 130, 246, 0.18),
        0 8px 20px -8px rgba(37, 99, 235, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
    overflow: hidden;
    position: relative;
}
/* 右上装饰光晕 */
.faq-section::before {
    content: '';
    position: absolute;
    top: -80px; right: -60px;
    width: 300px; height: 300px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.10) 0%, rgba(59, 130, 246, 0.05) 40%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
}
.faq-section::after {
    content: '';
    position: absolute;
    bottom: -60px; left: -40px;
    width: 240px; height: 240px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
}
.faq-section > * { position: relative; z-index: 1; }
.faq-section .section-subtitle {
    margin: 0;
    padding: 30px 32px 22px 32px;
    border-left: none;
    gap: 14px;
    display: flex;
    align-items: center;
}
.faq-section .section-subtitle i {
    width: 40px; height: 40px;
    display: inline-flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
    color: #fff;
    border-radius: 12px;
    font-size: 1.05rem;
    box-shadow:
        0 6px 16px rgba(99, 102, 241, 0.42),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
}
.faq-section .section-subtitle::before { content: none; }
.faq-section .section-subtitle {
    background: none;
    border-bottom: none;
}
.faq-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 0 26px 28px;
}
.faq-item {
    background: #ffffff;
    border-radius: 18px;
    padding: 0;
    border: 1px solid rgba(203, 213, 225, 0.6);
    box-shadow: 0 2px 8px -2px rgba(15, 23, 42, 0.06);
    transition: all 0.35s cubic-bezier(0.2, 0.85, 0.25, 1);
    overflow: hidden;
    position: relative;
}
.faq-item::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, #60a5fa, #8b5cf6, #ec4899);
    transform: scaleY(0);
    transform-origin: top;
    transition: transform 0.35s ease;
}
.faq-item:hover {
    border-color: rgba(99, 102, 241, 0.25);
    box-shadow:
        0 10px 24px -8px rgba(99, 102, 241, 0.22),
        0 3px 8px rgba(15, 23, 42, 0.04);
    transform: translateY(-1px);
}
.faq-item.is-active {
    border-color: rgba(99, 102, 241, 0.35);
    box-shadow:
        0 16px 32px -10px rgba(99, 102, 241, 0.28),
        0 4px 12px rgba(15, 23, 42, 0.05);
}
.faq-item.is-active::before { transform: scaleY(1); }
.faq-question {
    font-size: 1rem;
    font-weight: 600;
    color: #0f172a;
    display: flex;
    align-items: center;
    gap: 16px;
    line-height: 1.55;
    padding: 20px 22px 20px 22px;
    cursor: pointer;
    user-select: none;
    -webkit-user-select: none;
    transition: padding 0.3s ease, color 0.25s ease;
}
.faq-item.is-active .faq-question {
    padding-bottom: 14px;
    color: #4f46e5;
}
.faq-q-badge {
    flex-shrink: 0;
    width: 32px; height: 32px;
    border-radius: 10px;
    background: linear-gradient(135deg, #dbeafe 0%, #e0e7ff 100%);
    color: #4f46e5;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.76rem;
    font-weight: 800;
    transition: all 0.3s ease;
    letter-spacing: -0.2px;
}
.faq-item:hover .faq-q-badge,
.faq-item.is-active .faq-q-badge {
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    color: #fff;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.32);
    transform: translateY(-1px);
}
.faq-question .faq-q-text {
    flex: 1;
    letter-spacing: 0.1px;
}
/* 手风琴展开箭头 */
.faq-toggle {
    flex-shrink: 0;
    width: 28px; height: 28px;
    border-radius: 50%;
    background: #f1f5f9;
    color: #64748b;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.72rem;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}
.faq-item:hover .faq-toggle {
    background: linear-gradient(135deg, #ede9fe, #dbeafe);
    color: #6366f1;
}
.faq-item.is-active .faq-toggle {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: #fff;
    transform: rotate(180deg);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}
/* 答案容器：默认折叠，展开时滑动打开 */
.faq-answer-wrapper {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.45s cubic-bezier(0.2, 0.9, 0.3, 1.1);
}
.faq-answer {
    font-size: 0.88rem;
    color: #475569;
    line-height: 1.9;
    margin: 0 0 0 22px;
    padding: 0 22px 20px 42px;
    display: flex;
    gap: 12px;
    align-items: flex-start;
}
.faq-a-badge {
    flex-shrink: 0;
    width: 22px; height: 22px;
    border-radius: 50%;
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    color: #92400e;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.62rem;
    font-weight: 800;
    margin-top: 4px;
    letter-spacing: -0.2px;
    box-shadow: 0 2px 6px rgba(251, 191, 36, 0.35);
}
.faq-answer p {
    margin: 0;
    flex: 1;
    padding: 12px 16px;
    background: linear-gradient(135deg, #f8fafc 0%, #f5f3ff 100%);
    border-radius: 12px;
    border: 1px solid rgba(203, 213, 225, 0.4);
    color: #334155;
    position: relative;
}
.faq-answer p::before {
    content: '';
    position: absolute;
    left: -6px; top: 14px;
    width: 10px; height: 10px;
    background: #f8fafc;
    border-left: 1px solid rgba(203, 213, 225, 0.4);
    border-bottom: 1px solid rgba(203, 213, 225, 0.4);
    transform: rotate(45deg);
}
/* FAQ 响应式 */
@media (max-width: 768px) {
    .faq-section {
        border-radius: 24px;
    }
    .faq-section .section-subtitle {
        padding: 24px 20px 18px;
        font-size: 1.05rem;
        gap: 12px;
    }
    .faq-section .section-subtitle i {
        width: 34px; height: 34px;
        font-size: 0.88rem;
        border-radius: 10px;
    }
    .faq-list {
        padding: 0 16px 22px;
        gap: 10px;
    }
    .faq-question {
        font-size: 0.93rem;
        padding: 16px 16px;
        gap: 12px;
    }
    .faq-item.is-active .faq-question { padding-bottom: 10px; }
    .faq-q-badge {
        width: 28px; height: 28px;
        font-size: 0.7rem;
        border-radius: 8px;
    }
    .faq-toggle {
        width: 26px; height: 26px;
        font-size: 0.68rem;
    }
    .faq-answer {
        font-size: 0.82rem;
        line-height: 1.75;
        padding: 0 16px 16px 32px;
        margin-left: 10px;
    }
    .faq-a-badge {
        width: 20px; height: 20px;
        font-size: 0.58rem;
    }
}

/* 视频卡片 */
.video-card {
    background: #fff;
    border-radius: 28px;
    padding: 24px;
    margin-bottom: 32px;
    border: 1px solid #ecf3f9;
    box-shadow: 0 6px 14px rgba(0, 0, 0, 0.02);
}
.video-header {
    margin-bottom: 16px;
}
.video-caption {
    margin-top: 12px;
    font-size: 0.85rem;
    color: #7e95aa;
    display: flex;
    align-items: center;
    gap: 8px;
}
.video-caption i {
    color: #2563eb;
}

/* ============ 配件展示板块 ============ */
.accessories-section {
    background: #fff;
    border-radius: 28px;
    padding: 28px 28px 32px;
    margin-bottom: 32px;
    border: 1px solid #ecf3f9;
    box-shadow: 0 10px 24px rgba(30, 58, 95, 0.04), 0 4px 10px rgba(30, 58, 95, 0.02);
}
.accessories-section .section-subtitle {
    margin-bottom: 14px;
}
.accessories-desc {
    font-size: 0.92rem;
    color: #4b5d75;
    line-height: 1.75;
    margin-bottom: 26px;
    padding: 16px 20px;
    background: linear-gradient(135deg, #f0f7ff 0%, #f8fbff 50%, #f0fdf4 100%);
    border-radius: 16px;
    border: 1px solid #dbeafe;
    border-left: 4px solid #60a5fa;
    box-shadow: 0 2px 8px rgba(96, 165, 250, 0.08);
}
.accessories-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.accessory-card {
    background: #fff;
    border-radius: 24px;
    overflow: hidden;
    border: 1px solid #e6edf7;
    transition: all 0.32s cubic-bezier(0.2, 0.9, 0.3, 1.1);
    display: flex;
    flex-direction: column;
    cursor: pointer;
    position: relative;
    box-shadow: 0 4px 14px rgba(30, 58, 95, 0.05), 0 1px 3px rgba(30, 58, 95, 0.03);
}
.accessory-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 6px;
    background: linear-gradient(90deg, #60a5fa, #a78bfa, #60a5fa);
    background-size: 200% 100%;
    background-position: 100% 0;
    opacity: 0;
    z-index: 20;
    transition: all 0.4s ease;
}
.accessory-card:hover {
    transform: translateY(-7px);
    box-shadow: 0 26px 44px -16px rgba(30, 58, 95, 0.22), 0 12px 22px -12px rgba(30, 58, 95, 0.10);
    border-color: #bfdbfe;
}
.accessory-card:hover::before {
    opacity: 1;
    background-position: 0 0;
}
.accessory-img {
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 3;
    background: #ffffff !important;
    overflow: hidden;
}
.accessory-img img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.5s cubic-bezier(0.2, 0.9, 0.3, 1.1);
    display: block;
    z-index: 1;
    background: #ffffff !important;
}
.accessory-card:hover .accessory-img img {
    transform: scale(1.06);
}
.accessory-tag {
    position: absolute;
    top: 14px;
    left: 14px;
    z-index: 10;
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.4px;
    padding: 6px 14px;
    border-radius: 30px;
    border: 1.5px solid rgba(255,255,255,0.9);
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: #fff;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    transform: translateY(0);
    transition: transform 0.3s ease;
}
.accessory-tag::before {
    content: '';
    display: inline-block;
    width: 5px; height: 5px;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 0 6px rgba(255,255,255,0.9);
}
.accessory-card:hover .accessory-tag {
    transform: translateY(-2px);
}
.accessory-tag-hot {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 50%, #1d4ed8 100%);
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.45);
}
.accessory-tag-rec {
    background: linear-gradient(135deg, #10b981 0%, #059669 50%, #047857 100%);
    box-shadow: 0 6px 16px rgba(16, 185, 129, 0.45);
}
.accessory-tag-new {
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 50%, #5b21b6 100%);
    box-shadow: 0 6px 16px rgba(124, 58, 237, 0.45);
}
.accessory-tag-stock {
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 50%, #d97706 100%);
    box-shadow: 0 6px 16px rgba(245, 158, 11, 0.45);
}
.accessory-info {
    padding: 18px 20px 22px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
    position: relative;
    z-index: 5;
    background: #fff;
}
.accessory-info::before {
    content: '';
    position: absolute;
    top: 0; left: 20px; right: 20px;
    height: 1px;
    background: repeating-linear-gradient(
        90deg,
        #dbeafe 0px, #dbeafe 6px,
        transparent 6px, transparent 12px
    );
}
.accessory-name {
    font-size: 1.05rem;
    font-weight: 800;
    color: #1e293b;
    margin: 2px 0 0 0;
    line-height: 1.4;
    transition: color 0.25s ease;
    letter-spacing: -0.1px;
}
.accessory-card:hover .accessory-name {
    color: #2563eb;
}
.accessory-sku {
    font-size: 0.74rem;
    font-weight: 600;
    color: #64748b;
    display: flex;
    align-items: center;
    gap: 5px;
    letter-spacing: 0.2px;
    margin: 0;
}
.accessory-sku::before {
    content: '\f02a';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 0.7rem;
    color: #2563eb;
    opacity: 0.8;
}
.accessory-desc {
    font-size: 0.82rem;
    color: #5c6f86;
    line-height: 1.65;
    margin: 4px 0 0 0;
    padding: 0;
    background: none;
    border-radius: 0;
    border: none;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 产品详情页响应式 */
@media (max-width: 992px) {
    .product-detail-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .accessories-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    .accessories-section {
        padding: 26px 22px;
    }
    .accessory-name {
        font-size: 1.02rem;
    }
    .accessory-info {
        padding: 16px 18px 20px;
    }
}
@media (max-width: 768px) {
    .faq-section {
        padding: 20px;
    }
    .accessories-section {
        padding: 20px 16px 22px;
        border-radius: 22px;
        margin-bottom: 24px;
    }
    .accessories-desc {
        padding: 12px 14px;
        font-size: 0.85rem;
        margin-bottom: 18px;
        line-height: 1.65;
    }
    .accessories-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 14px;
    }
    .accessory-card {
        border-radius: 18px;
    }
    .accessory-card::before {
        height: 4px;
        opacity: 1;
        background-position: 0 0;
    }
    .accessory-card:hover {
        transform: translateY(-4px);
    }
    .accessory-img {
        aspect-ratio: 4 / 3;
    }
    .accessory-tag {
        top: 10px;
        left: 10px;
        padding: 4px 10px;
        font-size: 0.62rem;
    }
    .accessory-info {
        padding: 12px 14px 16px;
        gap: 8px;
    }
    .accessory-info::before {
        left: 14px; right: 14px;
    }
    .accessory-name {
        font-size: 0.9rem;
        font-weight: 800;
        line-height: 1.35;
        margin-top: 2px;
    }
    .accessory-sku {
        font-size: 0.65rem;
        letter-spacing: 0.2px;
    }
    .accessory-desc {
        -webkit-line-clamp: 2;
        font-size: 0.74rem;
        line-height: 1.55;
        margin-top: 2px;
    }
}
@media (max-width: 520px) {
    .accessories-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .accessory-name {
        font-size: 0.98rem;
    }
    .accessory-desc {
        -webkit-line-clamp: 3;
        font-size: 0.78rem;
    }
}
@media (max-width: 768px) {
    .faq-question {
        font-size: 0.95rem;
    }
    .faq-answer {
        font-size: 0.85rem;
    }
    .detail-text table td,
    .detail-text table th {
        padding: 10px 12px;
    }
    .product-detail-page .tags-wrapper {
        padding: 12px 14px;
        gap: 8px 12px;
    }
    .product-detail-page .tags-prefix {
        font-size: 0.78rem;
    }
    .product-detail-page .tags-prefix span {
        padding-right: 10px;
    }
    .product-detail-page .tag-item {
        font-size: 0.7rem;
        padding: 4px 12px 4px 10px;
    }
    .product-detail-page .tag-item i {
        font-size: 0.6rem;
    }
}

/* ===== 服务承诺标签展示区（biaoqian 字段）===== */
.service-tags-section {
    background: #fff;
    border-radius: 28px;
    padding: 24px 24px 26px;
    margin: 0 0 24px 0;
    border: 1px solid #ecf3f9;
    box-shadow: 0 6px 14px rgba(0, 0, 0, 0.02);
    position: relative;
    overflow: hidden;
}
.service-tags-section::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; height: 3px;
    background: linear-gradient(90deg, #2563eb 0%, #7c3aed 25%, #0891b2 50%, #d97706 75%, #dc2626 100%);
    opacity: 0.85;
}
.service-tags-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    font-weight: 700;
    color: #1e3a5f;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px dashed #e3edf7;
}
.service-tags-title > i {
    width: 30px;
    height: 30px;
    border-radius: 8px;
    background: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    box-shadow: 0 3px 8px rgba(37, 99, 235, 0.25);
}
.service-tags-line {
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, #e3edf7 0%, transparent 100%);
    margin-left: 4px;
}
.service-tags-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
}
.service-tag {
    position: relative;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    background: var(--tag-bg, linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%));
    border: 1px solid rgba(0, 0, 0, 0.04);
    border-radius: 16px;
    transition: all 0.3s cubic-bezier(0.2, 0.9, 0.4, 1.1);
    cursor: default;
    overflow: hidden;
    box-shadow: 0 2px 6px rgba(15, 23, 42, 0.03);
}
.service-tag:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 22px rgba(15, 23, 42, 0.10), 0 4px 10px var(--tag-color, rgba(37,99,235,0.18));
    border-color: var(--tag-color, rgba(37,99,235,0.35));
}
.service-tag-icon {
    flex-shrink: 0;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: #fff;
    color: var(--tag-color, #2563eb);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.05rem;
    box-shadow: 0 3px 8px rgba(15, 23, 42, 0.06), inset 0 0 0 1px rgba(0,0,0,0.02);
    transition: transform 0.3s ease;
}
.service-tag:hover .service-tag-icon {
    transform: scale(1.08) rotate(-6deg);
}
.service-tag-content {
    flex: 1;
    min-width: 0;
}
.service-tag-name {
    font-size: 0.92rem;
    font-weight: 700;
    color: #0f172a;
    line-height: 1.2;
    margin-bottom: 3px;
    letter-spacing: 0.2px;
}
.service-tag-desc {
    font-size: 0.72rem;
    color: #64748b;
    line-height: 1.3;
    letter-spacing: 0.2px;
}
.service-tag-glow {
    position: absolute;
    top: -50%;
    right: -30%;
    width: 80px;
    height: 80px;
    background: var(--tag-color, #2563eb);
    border-radius: 50%;
    opacity: 0.05;
    filter: blur(20px);
    transition: opacity 0.3s ease;
    pointer-events: none;
}
.service-tag:hover .service-tag-glow {
    opacity: 0.15;
}
@media (max-width: 992px) {
    .service-tags-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
    .service-tags-section { padding: 20px 16px 22px; border-radius: 22px; }
    .service-tags-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
    .service-tag { padding: 12px 12px; border-radius: 14px; gap: 10px; }
    .service-tag-icon { width: 36px; height: 36px; font-size: 0.92rem; }
    .service-tag-name { font-size: 0.82rem; }
    .service-tag-desc { font-size: 0.66rem; }
    .service-tags-title { font-size: 0.86rem; }
    .service-tags-title > i { width: 26px; height: 26px; font-size: 0.78rem; }
}
@media (max-width: 360px) {
    .service-tags-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
    .faq-question {
        font-size: 0.88rem;
    }
    .faq-answer {
        padding-left: 22px;
        font-size: 0.82rem;
    }
    .product-hero h1 {
        font-size: 1.5rem;
    }
    .detail-text blockquote {
        padding: 1rem 1.2rem;
    }
    .detail-text table td,
    .detail-text table th {
        padding: 8px 10px;
        font-size: 0.8rem;
    }
}