.prodduct-list-page { width: 100%; background: #f7f9fb; }
        .prodduct-list-section { width: 100%;  padding: 48px 0 56px; }
        .prodduct-list-container { width: 1500px; margin: 0 auto;  padding:0 20px;display: flex; flex-wrap: wrap; gap: 30px; align-items: flex-start; }
        .prodduct-list-hide { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0, 0, 0, 0); border: 0; }
        .prodduct-list-sidebar { flex: 0 0 280px; width: 280px; display: flex; flex-direction: column; position: sticky; top: 20px; align-self: flex-start; max-height: calc(100vh - 40px);  border-radius: 16px; padding: 8px 8px 8px 0; overflow: hidden; }
        .prodduct-list-sidebar-title { font-size: 24px; font-weight: 700; color: #0b1a2e; margin: 0 0 16px 0; letter-spacing: -0.3px; text-align: center; padding: 0 0 10px 0; border-bottom: 0px solid #e0e5ed; flex-shrink: 0; padding-left: 8px; padding-right: 8px; }
        .prodduct-list-search { position: relative; margin-bottom: 16px; flex-shrink: 0; padding-left: 8px; padding-right: 8px; }
        .prodduct-list-search::before { content: ''; position: absolute; left: 24px; top: 50%; transform: translateY(-50%); width: 2px; height: 24px; background: #d0d7e2; border-radius: 2px; opacity: 0.6; pointer-events: none; z-index: 2; transition: opacity 0.2s; }
        .prodduct-list-search input { width: 100%; height: 48px; border: 1px solid #d0d7e2; border-radius: 8px; padding: 0 48px 0 32px; font-size: 15px; background: transparent;box-shadow: 0 2px 6px rgba(0, 0, 0, 0.02); transition: border 0.2s; outline: none; }
        .prodduct-list-search input:focus { border-color: #2269d1; box-shadow: 0 0 0 3px rgba(1, 91, 172, 0.08); }
        .prodduct-list-search button { position: absolute; right: 8px; top: 0; width: 48px; height: 48px; background: none; border: none; cursor: pointer; color: #2269d1; font-size: 18px; display: flex; align-items: center; justify-content: center; }
        .prodduct-list-cat-wrapper { flex: 1; min-height: 0; overflow-y: auto; padding-right: 4px; padding-left: 8px; scrollbar-width: none; -ms-overflow-style: none; }
        .prodduct-list-cat-wrapper::-webkit-scrollbar { width: 0; height: 0; background: transparent; }
        .prodduct-list-cat-wrapper.has-scroll { scrollbar-width: thin; scrollbar-color: #2269d1 #eef2f7; }
        .prodduct-list-cat-wrapper.has-scroll::-webkit-scrollbar { width: 4px; height: 4px; }
        .prodduct-list-cat-wrapper.has-scroll::-webkit-scrollbar-track { background: transparent; box-shadow: inset 1px 0 0 #d8dde6, inset 2px 0 0 #d8dde6; border-radius: 2px; margin: 4px 0; }
        .prodduct-list-cat-wrapper.has-scroll::-webkit-scrollbar-thumb { background: #a8b4c4; border-radius: 4px; width: 4px; border: none; transition: background 0.25s ease; cursor: pointer; }
        .prodduct-list-cat-wrapper.has-scroll::-webkit-scrollbar-thumb:hover { background: #2269d1; }
        .prodduct-list-cat-wrapper.has-scroll::-webkit-scrollbar-corner { background: transparent; }
        .prodduct-list-cat { padding-left: 0; border-left: none; }
        .prodduct-list-cat-item { margin-bottom: 4px; border-radius: 6px; overflow: hidden; }
        .prodduct-list-cat-head { font-size: 18px; font-weight: 600; color: #0b1a2e; margin: 0; cursor: pointer; line-height: 44px; user-select: none; display: flex; align-items: center; gap: 10px; letter-spacing: -0.2px; padding: 0 6px; border-radius: 6px; transition: background 0.2s, color 0.2s; }
        .prodduct-list-cat-head:hover { background: rgba(1, 91, 172, 0.05); color: #2269d1; }
        .prodduct-list-cat-item.active>.prodduct-list-cat-head { background: rgba(1, 91, 172, 0.08); color: #2269d1; }
        .prodduct-list-cat-head i { color: #333333; font-size: 14px; width: 18px; text-align: center; transition: transform 0.3s ease; }
        .prodduct-list-sub { max-height: 0; overflow: hidden; transition: max-height 0.4s cubic-bezier(0.25, 0.8, 0.25, 1), opacity 0.3s ease, margin 0.3s ease; opacity: 0; margin-top: 0; padding-left: 28px; }
        .prodduct-list-cat-item.active .prodduct-list-sub { max-height: 600px; opacity: 1; margin-top: 4px; }
        .prodduct-list-sub ul { list-style: none; margin: 0; padding: 0 0 8px 0; }
        .prodduct-list-sub ul li { line-height: 38px; border-radius: 4px; transition: background 0.15s; position: relative; }
        .prodduct-list-sub ul li:hover { background: rgba(1, 91, 172, 0.04); }
        .prodduct-list-sub ul li a { font-size: 15px; color: #1f2a3e; text-decoration: none; display: block; padding: 0 30px 0 6px; border-radius: 4px; transition: all 0.15s; font-weight: 450; position: relative; }
        .prodduct-list-sub ul li a .sub-arrow { position: absolute; right: 8px; top: 50%; transform: translateY(-50%); color: #b0b8c6; font-size: 12px; transition: color 0.2s, transform 0.2s; }
        .prodduct-list-sub ul li a:hover { color: #2269d1; padding-left: 6px; }
        .prodduct-list-sub ul li a:hover .sub-arrow { color: #2269d1; transform: translateY(-50%) translateX(2px); }
        .prodduct-list-sub ul li a.active { color: #2269d1; padding-left: 6px; font-weight:600; }
        .prodduct-list-sub ul li a.active .sub-arrow { color: #2269d1; }
        .prodduct-list-main { flex: 1; min-width: 0;margin-top:20px }
        .prodduct-list-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px 20px; }
        .prodduct-list-item { background: #ffffff; border: 1px solid #e8eaed; border-radius: 16px; overflow: hidden; transition: box-shadow 0.25s ease, transform 0.2s ease; display: flex; flex-direction: column; box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02); }
        .prodduct-list-item:hover { box-shadow: 0 12px 28px rgba(0, 0, 0, 0.07); transform: translateY(-3px); border-color: #cdd5e0; }
        .prodduct-list-img-link { display: block; width: 100%; padding-bottom: 100%; position: relative; overflow: hidden; background: #ffffff; }
        .prodduct-list-img-link img { position: absolute; top: 55%; left: 50%; max-width:80%; max-height: 80%; width: auto; height: auto; transform: translate(-50%, -50%); transition: transform 0.4s cubic-bezier(0.2, 0.9, 0.3, 1.1), filter 0.3s; display: block; object-fit: contain; border-radius: 4px; }
        .prodduct-list-img-link::after { content: ''; position: absolute; top: 0; left: -75%; width: 50%; height: 100%; background: linear-gradient(90deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.5) 50%, rgba(255, 255, 255, 0) 100%); transform: skewX(-25deg); transition: left 0.65s ease; pointer-events: none; opacity: 0; }
        .prodduct-list-item:hover .prodduct-list-img-link::after { left: 125%; opacity: 0; }
        .prodduct-list-item:hover .prodduct-list-img-link img { transform: translate(-50%, -50%) scale(1.05); }
        .prodduct-list-title { font-size: 18px; margin: 0; padding: 16px 16px 6px 16px; line-height: 1.4; font-weight: 600; color: #0b1a2e; text-align: center; flex: 0 0 auto; }
        .prodduct-list-title a { color: #0b1a2e; text-decoration: none; transition: color 0.2s ease; display: inline-block; }
        .prodduct-list-title a:hover { color: #2269d1; }
        .prodduct-list-item-cur .prodduct-list-title a { color: #2269d1; }
        .prodduct-list-divider { border: 0; height: 1px; background: #e2e6ed; margin: 8px 18px 0 18px; flex-shrink: 0; }
        .prodduct-list-btns { display: flex; align-items: stretch; padding: 12px 18px 16px 18px; gap: 0; }
        .prodduct-list-btn-wrap { flex: 1; display: flex; align-items: center; justify-content: center; position: relative; }
        .prodduct-list-btn-wrap.divider { border-right: 1px solid #d8dde6; }
        .prodduct-list-btn { display: inline-flex; align-items: center; justify-content: center; width: 100%; height: 38px; text-align: center; text-decoration: none; font-size: 16px; font-weight: 500; border-radius: 6px; transition: all 0.25s ease; background: transparent; color: #2269d1; border: none; padding: 0 6px; letter-spacing: 0.3px; white-space: nowrap; }
        .prodduct-list-btn-primary:hover, .prodduct-list-btn-default:hover { background-: #2269d1; color: #2269d1; }
        .prodduct-list-btn-primary.active { color: #2269d1; font-weight: 600; }
        .prodduct-list-btn-primary.active:hover { color: #ffffff; background: #2269d1; }
        .prodduct-list-pagination { display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: 6px; margin-top: 40px; }
        .prodduct-list-pagination a { display: inline-flex; align-items: center; justify-content: center; min-width: 38px; height: 38px; padding: 0 12px; border: 1px solid #d0d7e2; border-radius: 8px; color: #1f2a3e; text-decoration: none; font-size: 14px; font-weight: 500; background: #ffffff; transition: all 0.15s; }
        .prodduct-list-pagination a:hover { border-color: #2269d1; color: #2269d1; background: #f0f6fe; }
        .prodduct-list-pagination a.current { background: #2269d1; color: #ffffff; border-color: #2269d1; pointer-events: none; }
        @media screen and (max-width: 1540px) { .prodduct-list-container { width: 96%; margin: 0 auto; gap: 28px; } .prodduct-list-sidebar { flex: 0 0 260px; width: 260px; } }
        @media screen and (max-width: 1200px) { .prodduct-list-sidebar { flex: 0 0 240px; width: 240px; } .prodduct-list-grid { gap: 20px 16px; } }
        @media screen and (max-width: 1024px) { .prodduct-list-container { flex-direction: column; gap: 20px; } .prodduct-list-sidebar { flex: 1 1 auto; width: 100%; position: static; max-height: none; padding: 8px 8px 12px 8px; } .prodduct-list-main { width: 100%; } .prodduct-list-grid { grid-template-columns: repeat(3, 1fr); } .prodduct-list-cat-wrapper { max-height: 320px; } }
        @media screen and (max-width: 768px) { .prodduct-list-section { padding: 32px 0; } .prodduct-list-container { width: 94%; } .prodduct-list-sidebar-title { font-size: 22px; } .prodduct-list-grid { grid-template-columns: repeat(2, 1fr); gap: 18px 14px; } .prodduct-list-title { font-size: 16px; padding: 14px 14px 4px 14px; } .prodduct-list-btns { padding: 10px 14px 14px 14px; } .prodduct-list-btn { font-size: 13px; height: 34px; } .prodduct-list-cat-wrapper { max-height: 280px; } .prodduct-list-sidebar { padding: 6px 6px 10px 6px; } }
        @media screen and (max-width: 480px) { .prodduct-list-container { width: 92%; margin: 0 4%; } .prodduct-list-grid { grid-template-columns: 1fr; gap: 18px; } .prodduct-list-item { max-width: 100%; } .prodduct-list-pagination a { min-width: 34px; height: 34px; font-size: 13px; padding: 0 10px; } .prodduct-list-cat-wrapper { max-height: 240px; } }
		
/* 图片左上角统一 LOGO（图片格式） */
.prodduct-list-img-link .prodduct-list-img-logo {
    position: absolute;
    top: 28px;
    left: 100px;
    z-index: 3;
    width: 150px;          /* 按你的LOGO实际大小调整 */
    height: auto;
    max-width: 100%;       /* 防止大图溢出 */
    object-fit: contain;
    pointer-events: none; /* 不挡图片和链接点击 */
    transition: transform 0.25s ease;
}

/* 悬停卡片时轻微放大 */
.prodduct-list-item:hover .prodduct-list-img-logo {
    transform: scale(1.06);
}

/* 移动端缩小 */
@media screen and (max-width: 1024px) {
    .prodduct-list-img-link .prodduct-list-img-logo {
        top: 20px;
        left: 70px;
        width:100px;
    }
}
		
.productv_top-container { width: 100%; max-width: 1600px; margin: 0 auto; padding: 0 20px; background-color: #fff; border-radius: 8px; box-shadow: 0 5px 15px rgba(0, 0, 0, 0.01); overflow: hidden; box-sizing: border-box; }
.productv_top-content { display: flex; flex-wrap: wrap; padding: 80px; }
.productv_top-left { width: 45%; padding-right: 30px; position: relative; }
.productv_top-right { width: 55%; padding-left: 30px; }
@media (max-width: 992px) {
.productv_top-left, .productv_top-right { width: 100%; padding: 0; }
.productv_top-left { margin-bottom: 30px; }
}
.productv_top-main-image { position: relative; margin-bottom: 15px; overflow: hidden; border-radius: 8px; cursor: zoom-in; border: 1px solid #dddddd; }
.productv_top-main-image img { width: 100%; height: auto; display: block; transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94); will-change: transform; border: 1px solid #dddddd; }
.productv_top-main-image:hover img { transform: scale(1.01); border: 1px solid #dddddd; }
.productv_top-magnifier { position: absolute; width: 180px; height: 180px; border-radius: 0; background-color: rgba(255, 255, 255, 0.2); border: 2px solid #2269d1; pointer-events: none; opacity: 0; transition: opacity 0.25s ease; transform: translate(-50%, -50%); z-index: 10; background-repeat: no-repeat; display: none; }
.productv_top-main-image:hover .productv_top-magnifier { opacity: 1; display: block; border: 2px solid #cccccc; }
.productv_top-image-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(0, 0, 0, 0.9); display: none; justify-content: center; align-items: center; z-index: 100; opacity: 0; transition: opacity 0.4s ease; }
.productv_top-image-overlay.active { display: flex; opacity: 1; }
.productv_top-overlay-image { max-width: 90%; max-height: 90%; transform: scale(0.92); transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1); }
.productv_top-image-overlay.active .productv_top-overlay-image { transform: scale(1); }
.productv_top-overlay-close { position: absolute; top: 20px; right: 30px; color: #fff; font-size: 36px; cursor: pointer; transition: color 0.25s; }
.productv_top-overlay-close:hover { color: #2269d1; }
.productv_top-thumbnail-container { position: relative; overflow: hidden; padding: 0 30px; }
.productv_top-thumbnails-wrapper { overflow: hidden; }
.productv_top-thumbnails { display: flex; transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94); gap: 10px; will-change: transform; }
.productv_top-thumbnails::-webkit-scrollbar { display: none; }
.productv_top-thumbnail { flex: 0 0 calc(20% - 8px); min-width: unset; height: 0; padding-bottom: calc(20% - 8px); border-radius: 6px; overflow: hidden; cursor: pointer; border: 1px solid transparent; transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94); opacity: 0.7; will-change: transform; position: relative; aspect-ratio: 1/1; }
.productv_top-thumbnail:hover { opacity: 1; border-color: #2269d1; transform: translateY(-0px); }
.productv_top-thumbnail.active { opacity: 1; border-color: #2269d1; transform: scale(1.00); }
.productv_top-thumbnail img { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.productv_top-thumbnail:hover img { transform: scale(1.08); }
.productv_top-nav-btn { position: absolute; top: 50%; transform: translateY(-50%); background-color: rgba(255, 255, 255, 0.9); border: none; width: 30px; height: 30px; border-radius: 50%; display: flex; justify-content: center; align-items: center; cursor: pointer; box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2); transition: all 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94); z-index: 5; }
.productv_top-nav-btn:hover { background-color: #2269d1; color: white; transform: translateY(-50%) scale(1.08); }
.productv_top-prev { left: 2px; }
.productv_top-next { right: 2px; }
.productv_top-title { font-size: 28px; font-weight: 700; margin-bottom: 15px; color: #222; }
.productv_top-divider { height: 1px; background-color: #e0e0e0; margin-bottom: 20px; }
.productv_top-description { margin-bottom: 25px; color: #666; line-height: 1.7; }
.productv_top-contact-info { margin-bottom: 25px; font-size: 18px; }
.productv_top-contact-item { display: flex; align-items: center; margin-bottom: 0px; color: #555; transition: transform 0.2s ease; line-height: 1.2; }
.productv_top-contact-item:hover { transform: translateX(4px); }
.productv_top-contact-icon { width: 24px; text-align: center; margin-right: 12px; color: #2269d1; margin-top: 25px; }
.productv_top-social-share { margin-bottom: 30px; }
.productv_top-social-title { margin-bottom: 15px; font-weight: 600; color: #444; }
.productv_top-social-icons { display: flex; flex-wrap: wrap; gap: 12px; }
.productv_top-social-icon { display: inline-flex; justify-content: center; align-items: center; width: 40px; height: 40px; border-radius: 50%; color: white; font-size: 18px; text-decoration: none; transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1); will-change: transform; }
.productv_top-social-icon:hover { transform: translateY(-4px) scale(1.05); box-shadow: 0 6px 14px rgba(0, 0, 0, 0.15); }
.productv_top-buttons { display: flex; gap: 15px; margin-bottom: 25px; flex-wrap: wrap; }
.productv_top-btn { padding: 10px 28px; border-radius: 6px; font-weight: 600; font-size: 16px; cursor: pointer; transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94); text-decoration: none; display: inline-flex; align-items: center; justify-content: center; text-align: center; min-width: 160px; will-change: transform; gap: 8px; }
.productv_top-btn:hover { transform: translateY(-2px); box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08); }
.productv_top-btn-inquire { background-color: #2269d1; color: white; border: 2px solid #2269d1; }
.productv_top-btn-inquire:hover { background-color: #016bac; border-color: #016bac; }
.productv_top-btn-contact { background-color: transparent; color: #666; border: 2px solid #ddd; }
.productv_top-btn-contact:hover { border-color: #2269d1; color: #2269d1; }
.productv_top-btn-pdf { background-color: #cc0000; color: white; border: 2px solid #dc3545; }
.productv_top-btn-pdf:hover { background-color: #c82333; border-color: #bd2130; }
.productv_top-tags { margin-bottom: 15px; }
.productv_top-tag { display: inline-block; background-color: #f0f0f0; color: #666; padding: 6px 15px; border-radius: 30px; font-size: 14px; text-decoration: none; transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94); }
.productv_top-tag:hover { background-color: #2269d1; color: white; transform: translateY(-2px); }
.productv_top-form-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(0, 0, 0, 0.7); display: none; justify-content: center; align-items: center; z-index: 200; opacity: 0; transition: opacity 0.35s ease; }
.productv_top-form-overlay.active { display: flex; opacity: 1; }
.productv_top-form-container { background-color: white; width: 90%; max-width: 700px; border-radius: 12px; padding: 30px; position: relative; transform: translateY(30px) scale(0.96); transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1); }
.productv_top-form-overlay.active .productv_top-form-container { transform: translateY(0) scale(1); }
.productv_top-form-close { position: absolute; top: 15px; right: 20px; font-size: 28px; color: #999; cursor: pointer; transition: color 0.25s, transform 0.3s ease; }
.productv_top-form-close:hover { color: #2269d1; transform: rotate(90deg); }
.productv_top-form-title { font-size: 24px; margin-bottom: 25px; color: #222; text-align: center; }
.productv_top-form-row { display: flex; flex-wrap: wrap; margin: 0 -10px 20px; }
.productv_top-form-group { flex: 1; min-width: 250px; padding: 0 10px; margin-bottom: 15px; }
.productv_top-form-label { display: block; margin-bottom: 8px; font-weight: 500; color: #555; }
.productv_top-form-input { width: 100%; padding: 14px 15px; border: 1px solid #ddd; border-radius: 6px; font-size: 16px; color: #333; transition: border 0.3s, box-shadow 0.3s; }
.productv_top-form-input:focus { outline: none; border-color: #2269d1; box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.12); }
.productv_top-form-input::placeholder { color: #aaa; }
.productv_top-captcha-container { display: flex; gap: 15px; align-items: center; margin-bottom: 25px; }
.productv_top-captcha-input { flex: 1; }
.productv_top-captcha-img { height: 50px; border-radius: 4px; border: 1px solid #ddd; transition: opacity 0.3s; }
.productv_top-captcha-img:hover { opacity: 0.8; }
.productv_top-submit-btn { width: 100%; padding: 16px; background-color: #2269d1; color: white; border: none; border-radius: 6px; font-size: 18px; font-weight: 600; cursor: pointer; transition: background-color 0.3s, transform 0.25s ease; }
.productv_top-submit-btn:hover { background-color: #016bac; transform: translateY(-2px); }
@media (max-width: 768px) {
.productv_top-content { padding: 20px; }
.productv_top-title { font-size: 24px; }
.productv_top-buttons { flex-direction: column; }
.productv_top-btn { width: 100%; min-width: unset; }
.productv_top-form-group { min-width: 100%; }
.productv_top-form-container { padding: 20px; width: 95%; }
.productv_top-captcha-container { flex-direction: column; }
.productv_top-captcha-img { width: 100%; height: auto; }
.productv_top-thumbnail { flex: 0 0 calc(20% - 6px); padding-bottom: calc(20% - 6px); height: 0; aspect-ratio: 1/1; }
.productv_top-nav-btn { width: 24px; height: 24px; }
.productv_top-prev { left: 0; }
.productv_top-next { right: 0; }
.productv_top-thumbnail-container { padding: 0 24px; }
}
@media (min-width: 768px) and (max-width: 992px) {
.productv_top-left, .productv_top-right { padding: 0 15px; }
.productv_top-content { padding: 25px; }
.productv_top-thumbnail { flex: 0 0 calc(20% - 6px); padding-bottom: calc(20% - 6px); height: 0; aspect-ratio: 1/1; }
}
.productv_top-detail-panel { position: absolute; left: calc(100% + 20px); top: 0; width: 420px; height: 420px; border: 3px solid #2269d1; border-radius: 8px; background-color: #fff; box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25); overflow: hidden; background-repeat: no-repeat; pointer-events: none; display: none; z-index: 20; }
.productv_top-detail-panel.active { display: block; }
@media (max-width: 1200px) {
.productv_top-detail-panel { left: calc(100% + 10px); width: 320px; height: 320px; }
}
@media (max-width: 992px) {
.productv_top-detail-panel { position: fixed; left: auto; right: 20px; top: 50%; transform: translateY(-50%); width: 240px; height: 240px; }
}
@media (max-width: 576px) {
.productv_top-detail-panel { display: none !important; }
}
.productv_top-cert-row { display: flex; flex-wrap: nowrap; gap: 12px; margin: 20px 0 10px; justify-content: flex-start; overflow-x: auto; padding-bottom: 6px; }
.productv_top-cert-row::-webkit-scrollbar { display: none; }
.productv_top-cert-item { flex: 0 0 auto; width: 50px; height: 50px; border-radius: 8px; display: flex; align-items: center; justify-content: center; overflow: hidden; border: 1px solid #eee; transition: all 0.2s; background: #f5f5f5; }
.productv_top-cert-item:hover { transform: translateY(-2px); box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05); }
.productv_top-cert-item img { width: 100%; height: 100%; object-fit: contain; display: block; }
@media (max-width: 768px) {
.productv_top-cert-row { gap: 8px; }
.productv_top-cert-item { width: 44px; height: 44px; flex: 0 0 44px; }
}
.productv_top-tabs-wrapper { width: 100%; max-width: 1500px; margin: 0 auto; padding: 0 20px; margin-bottom: 50px; box-sizing: border-box; }
.productv_top-tabs-nav { display: flex; gap: 0; border-bottom: 2px solid #eee; margin-bottom: 25px; flex-wrap: wrap; }
.productv_top-tab-btn { background: none; border: none; padding: 15px 28px; font-size: 18px; font-weight: 600; color: #888; cursor: pointer; transition: all 0.3s; position: relative; border-bottom: 3px solid transparent; margin-bottom: -2px; }
.productv_top-tab-btn:hover { color: #2269d1; }
.productv_top-tab-btn.active { color: #2269d1; border-bottom-color: #2269d1; }
.productv_top-tab-panel { display: none; animation: fadeIn 0.4s ease; padding: 20px; }
.productv_top-tab-panel.active { display: block; }
@keyframes fadeIn {
from { opacity: 0; transform: translateY(8px); }
to { opacity: 1; transform: translateY(0); }
}
.productv_top-tab-panel h3 { font-size: 20px; margin-bottom: 15px; color: #222; }
.productv_top-tab-panel p { width: 790px; max-width: 100%; margin: 0 auto; padding: 0; color: #666; line-height: 0; font-size: 0; }
.productv_top-tab-panel p img { display: block; width: 100%; max-width: 100%; height: auto; margin: 0 auto; padding: 0; border: 0; vertical-align: top; }
.productv_top-tab-panel p span, .productv_top-tab-panel p a, .productv_top-tab-panel p strong { font-size: 14px; line-height: 1.8; }
.productv_top-table-wrap { overflow-x: auto; margin: 15px 0; border-radius: 8px; border: 1px solid #eee; }
.productv_top-table-wrap table { width: 100%; min-width: 600px; border-collapse: collapse; font-size: 15px; }
.productv_top-table-wrap th, .productv_top-table-wrap td { padding: 14px 18px; text-align: left; border-bottom: 1px solid #eee; }
.productv_top-table-wrap th { background: #f8f8f8; font-weight: 600; color: #333; }
.productv_top-table-wrap tr:hover { background: #fafafa; }
.productv_top-advantages { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 15px 0; }
.productv_top-advantages li { list-style: none; padding: 14px 18px; background: #f8f8f8; border-radius: 8px; border-left: 4px solid #2269d1; color: #444; }
.productv_top-advantages li i { color: #2269d1; margin-right: 10px; width: 20px; }
.productv_top-related { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin: 20px 0; }
.productv_top-related-item { background: #fff; border-radius: 8px; overflow: hidden; border: 1px solid #eee; transition: all 0.3s; text-decoration: none; color: #333; }
.productv_top-related-item:hover { transform: translateY(-5px); box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08); }
.productv_top-related-item img { width: 100%; aspect-ratio: 1/1; object-fit: cover; display: block; background: #f0f0f0; }
.productv_top-related-item .info { padding: 12px 14px; }
.productv_top-related-item .info h4 { font-size: 15px; font-weight: 600; margin-bottom: 4px; text-align: center; }
.productv_top-related-item .info span { font-size: 13px; color: #2269d1; }
@media (max-width: 992px) {
.productv_top-related { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 576px) {
.productv_top-related { grid-template-columns: 1fr 1fr; gap: 12px; }
.productv_top-advantages { grid-template-columns: 1fr; }
.productv_top-tab-btn { padding: 10px 16px; font-size: 14px; }
.productv_top-tabs-wrapper { padding: 0 16px 20px 16px; }
}