header {
    position: fixed; top: 0; width: 100%; height: 80px; 
    background: rgba(249, 249, 251, 0.95); backdrop-filter: blur(10px);
    display: flex; justify-content: space-between; align-items: center;
    padding: 0 60px; z-index: 1000; border-bottom: 1px solid rgba(0,0,0,0.05);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}
header.nav-up { transform: translateY(-100%); }

.logo img { height: 28px; width: auto; }
.nav-menu { display: flex; gap: 40px; height: 100%; align-items: center; }
.nav-item { position: static; height: 100%; display: flex; align-items: center; cursor: pointer; font-size: 16px; font-weight: 600; text-transform: uppercase; }
.nav-item:hover { color: var(--vi-blue); }
.nav-item.cur { color: var(--vi-blue); }

/* 下拉巨型菜单 Mega Menu */
.mega-menu { 
    position: absolute; top: 80px; left: 0; width: 100vw; 
    height: 750px; 
    background: #fff; box-shadow: 0 10px 30px rgba(0,0,0,0.05); 
    opacity: 0; visibility: hidden; transition: 0.3s; 
    padding: 50px 0; 
    display: flex; flex-direction: column; align-items: center;
    cursor: default; text-transform: none; border-top: 1px solid #eee;
}
.nav-item:hover .mega-menu { opacity: 1; visibility: visible; }

.mega-categories { 
    display: flex; gap: 40px; margin-bottom: 40px; 
    width: 100%; max-width: 1600px; padding: 0 40px; justify-content: center; 
}
.mega-cat-item { font-size: 17px; font-weight: 500; color: var(--text-gray); cursor: pointer; transition: 0.3s; line-height: 1;}
.mega-cat-item:hover, .mega-cat-item.active { color: var(--vi-blue); }

.mega-products { 
    display: grid; grid-template-columns: repeat(6, 1fr); gap: 30px; 
    width: 100%; max-width: 1600px; padding: 0 40px; 
}
.mega-product-card { display: flex; flex-direction: column; align-items: center; cursor: pointer; text-align: center; }
.mega-product-card img { 
    width: 240px; height: 240px; object-fit: contain; 
    background: var(--bg-light); margin-bottom: 20px; 
    border-radius: var(--radius-sm); transition: 0.3s; padding: 20px;
}
.mega-product-card:hover img { transform: scale(1.05); }
.mega-product-card p { font-size: 16px; font-weight: 500; color: var(--text-dark); transition: 0.3s; line-height: 1;}
.mega-product-card:hover p { color: var(--vi-blue); }

/* SUPPORT 专属下拉菜单样式 */
.mega-support {
    height: auto; padding: 50px 0 60px 0; 
    border-bottom-left-radius: 12px; border-bottom-right-radius: 12px; 
}
.support-dropdown-grid {
    display: flex; gap: 120px; justify-content: center;
    width: 100%; max-width: 1200px; margin: 0 auto;
}
.support-col { display: flex; flex-direction: column; text-align: left; }
.support-col h4 {
    font-size: 18px; font-weight: 800; color: var(--text-dark);
    margin-bottom: 25px; text-transform: uppercase; letter-spacing: 0.5px;
}
.support-col h4 a { color: var(--text-dark); text-decoration: none; display: inline-block; font-weight: inherit; transition: 0.3s; }
.support-col h4 a:hover { color: var(--vi-blue); }
.support-col ul { padding: 0; list-style: none; margin: 0; }
.support-col li { margin-bottom: 18px; }
.support-col ul a { font-size: 15px; color: var(--text-gray); transition: 0.3s; font-weight: 500; }
.support-col ul a:hover { color: var(--vi-blue); }

.header-tools { display: flex; align-items: center; gap: 30px; font-weight: 600;}
.icon-btn { font-size: 18px; cursor: pointer; transition: 0.3s;}
.icon-btn:hover { color: var(--vi-blue); }

/* 汉堡菜单按钮（默认隐藏） */
.nav-toggle-input { display: none; }
.hamburger {
    display: none;
    width: 0.273rem; height: 0.212rem;
    position: relative; cursor: pointer; z-index: 1001;
    flex-shrink: 0;
}
.hamburger span {
    display: block; position: absolute; height: 2px; width: 100%;
    background: var(--text-dark); border-radius: 2px;
    transition: 0.3s; left: 0;
}
.hamburger span:nth-child(1) { top: 0; }
.hamburger span:nth-child(2) { top: 50%; transform: translateY(-50%); }
.hamburger span:nth-child(3) { bottom: 0; }
.nav-toggle-input:checked ~ .hamburger span:nth-child(1) {
    top: 50%; transform: translateY(-50%) rotate(45deg);
}
.nav-toggle-input:checked ~ .hamburger span:nth-child(2) { opacity: 0; }
.nav-toggle-input:checked ~ .hamburger span:nth-child(3) {
    bottom: 50%; transform: translateY(50%) rotate(-45deg);
}

@media (max-width: 1366px) {
    header{padding: 0 30px;}
}
@media (max-width: 1200px) {
    .header-tools .btn-black{display: none;}
}

@media (max-width: 1024px) {
    .nav-menu{display: none;}
    .lang-switch{display: none;}
    .hamburger{display: block;}
    .header-tools {margin: 0 .2rem 0 auto;}

    #my_header_0001_0_mnav{display: block;width: 100%;height: 0;z-index:50;left: 0;right: 0;top: 80px; background: #fff;overflow-y: auto;/*border-top: 1px solid transparent;*/}
    #my_header_0001_0_mnav.cur{height: calc(100vh -  80px);border-top-color: #ebebeb;}

    #my_header_0001_0_mnav .one-nav{line-height:60px;}
    #my_header_0001_0_mnav .one-nav .one{cursor:pointer; margin: 0 30px;border-bottom: 1px solid #ebebeb;background: url(/module/my/header/0001/images/nav-icon1.svg) no-repeat right;}
    #my_header_0001_0_mnav .one-nav.nobg .one{background: none;}
    #my_header_0001_0_mnav .one-nav.cur .one{background-image:url(/module/my/header/0001/images/nav-icon2.svg);}
    #my_header_0001_0_mnav .one-nav.cur.nobg .one{background: none;}
    #my_header_0001_0_mnav .one-nav .one-a{font-size:18px;font-weight: 700;color:#333;}
    #my_header_0001_0_mnav .two-nav{width: 100%;background: #fefefe;padding: 0 30px;}
    #my_header_0001_0_mnav .two-nav .two{border-bottom: 1px solid #ebebeb;padding: 0 30px;}
    #my_header_0001_0_mnav .two-nav .two-a{font-size: 16px;color:#333;}

    #my_header_0001_0_mnav .lang{margin-top: 30px}
    #my_header_0001_0_mnav .lang .icon{width: 60px;height: 60px;border: 1px solid #333;font-size: 18px;color: #333;border-radius: 50%;margin: 0 15px;}
    #my_header_0001_0_mnav .lang .icon.cur{border-color: var(--mainColor);color: var(--mainColor);}
    #my_header_0001_0_mnav .lang .tit{font-size:18px;color: #333;margin-top:20px;}
}

/* ================= 992px 平板适配 ================= */
@media (max-width: 992px) {
    header {
        height: 0.606rem;
        padding: 0 0.455rem;
    }
    .logo img { height: 0.212rem; }

    .hamburger { display: block; }

    .nav-menu {
        position: fixed; top: 0.606rem; left: 0;
        width: 100%; height: calc(100vh - 0.606rem);
        background: rgba(249, 249, 251, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column; align-items: flex-start;
        gap: 0; padding: 0.303rem 0.455rem;
        overflow-y: auto; z-index: 999;
        transform: translateX(100%);
        transition: transform 0.3s ease;
        height: auto; max-height: calc(100vh - 0.606rem);
    }
    .nav-toggle-input:checked ~ .nav-menu {
        transform: translateX(0);
    }
    .nav-item {
        height: auto; padding: 0.152rem 0;
        font-size: 0.136rem; width: 100%;
        border-bottom: 1px solid rgba(0,0,0,0.05);
        position: relative;
    }
    .nav-item:hover .mega-menu {
        opacity: 0; visibility: hidden;
    }
    .mega-menu {
        position: static; width: 100%;
        height: auto; min-height: 0;
        padding: 0.227rem 0;
        box-shadow: none; border-top: none;
        display: none;
        border-radius: 0.061rem;
        margin-top: 0.076rem;
    }
    .nav-item:hover .mega-menu,
    .nav-item:active .mega-menu {
        display: flex; opacity: 1; visibility: visible;
    }
    .mega-categories {
        flex-wrap: wrap; gap: 0.152rem;
        margin-bottom: 0.227rem;
        padding: 0 0.152rem;
        justify-content: flex-start;
    }
    .mega-cat-item { font-size: 0.121rem; }
    .mega-products {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.152rem; padding: 0 0.152rem;
    }
    .mega-product-card img {
        width: 1.212rem; height: 1.212rem;
        padding: 0.106rem; margin-bottom: 0.076rem;
    }
    .mega-product-card p { font-size: 0.106rem; }

    .mega-support { padding: 0.227rem 0 0.303rem 0; }
    .support-dropdown-grid {
        flex-direction: column; gap: 0.227rem;
        padding: 0 0.152rem;
    }
    .support-col h4 { font-size: 0.136rem; margin-bottom: 0.106rem; }
    .support-col li { margin-bottom: 0.076rem; }
    .support-col a { font-size: 0.106rem; }

    .header-tools { gap: 0.152rem; margin: 0 .2rem 0 auto;}
    .icon-btn { font-size: 0.136rem; }
    .header-tools .btn-black {
        padding: 0.091rem 0.182rem;
        font-size: 0.106rem;
    }
}

/* ================= 768px 手机端适配 ================= */
@media (max-width: 768px) {
    header {
        height: 1rem;
        padding: 0 0.227rem;
    }
    .logo img { height: 0.4rem; }

    .hamburger {
        width: 0.45rem; height: 0.4rem;
    }
    .hamburger span { height: 1.5px; }

    .nav-menu {
        top: 0.545rem;
        padding: 0.152rem 0.227rem;
    }
    .nav-item {
        font-size: 0.121rem;
        padding: 0.121rem 0;
    }
    .mega-products {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.106rem;
    }
    .mega-product-card img {
        width: 0.909rem; height: 0.909rem;
        padding: 0.076rem; margin-bottom: 0.061rem;
    }
    .mega-product-card p { font-size: 0.098rem; }
    .mega-cat-item { font-size: 0.114rem; }

    .header-tools { margin-right: .3rem;}
    .icon-btn { font-size: 0.36rem; }
    .header-tools .lang-switch { font-size: 0.106rem; }
    .header-tools .btn-black {
        padding: 0.076rem 0.136rem;
        font-size: 0.098rem;
    }

    #my_header_0001_0_mnav{top: 1rem;}
    #my_header_0001_0_mnav.cur{height: calc(100vh -  1rem);}
    #my_header_0001_0_mnav .one-nav{line-height: 12vw;}
    #my_header_0001_0_mnav .one-nav .one{background-size: 6%;margin: 0 5vw;}
    #my_header_0001_0_mnav .one-nav .one-a{font-size: 0.3rem;}
    #my_header_0001_0_mnav .two-nav .two-a{font-size: 0.28rem;}
    #my_header_0001_0_mnav .two-nav,
    #my_header_0001_0_mnav .two-nav .two{padding: 0 5vw;}
    #my_header_0001_0_mnav .lang{margin-top: 5vw;}
    #my_header_0001_0_mnav .lang .icon{width: 12vw;height: 12vw;font-size: .3rem;margin: 0 3vw;}
    #my_header_0001_0_mnav .lang .tit{font-size:.3rem;margin-top: 3vw;}
}

/* ================= 底部 Footer ================= */
footer { 
    background: #05122a; color: #9ba4b5; 
    display: flex; flex-direction: column; justify-content: center;padding: 80px 0 60px;
}
.footer-grid { display: grid; grid-template-columns: 2.5fr 1.2fr 1.2fr 1.2fr 2fr; gap: 40px; }
.footer-logo { margin-bottom: 30px; display: block;}
.footer-logo img { width: 210px; height: 32px; object-fit: contain; object-position: left; }
.footer-desc { line-height: 1.8; font-size: 16px; color: #9ba4b5;}
.footer-col h4 { color: #ffffff; font-size: 18px; font-weight: 600; margin-bottom: 30px; letter-spacing: 0.5px;}
.footer-col ul li { margin-bottom: 18px; }
.footer-col ul li a { transition: 0.3s; font-size: 16px; color: #9ba4b5;}
.footer-col ul li a:hover { color: #fff; }
.contact-info { margin-bottom: 35px;}
.contact-info p { font-size: 16px; color: #9ba4b5; font-weight: 500; margin-bottom: 5px;}
.contact-info span { display: block; font-size: 28px; font-weight: 700; color: #fff; letter-spacing: 1px;}
.newsletter h4 { color: #fff; margin-bottom: 15px;}
.newsletter-box { display: flex; border-bottom: 1px solid rgba(255,255,255,0.2); padding-bottom: 10px;}
.newsletter input { flex: 1; border: none; background: transparent; color: #fff; font-size: 16px; outline: none;}
.newsletter input::placeholder { color: #697a96; }
.newsletter button { background: none; border: none; color: #fff; font-size: 18px; cursor: pointer; transition: 0.3s;}
.newsletter button:hover { color: var(--vi-blue); }

.footer-bottom-wrap { margin-top: 60px; border-top: 1px solid rgba(255,255,255,0.1); padding-top: 40px; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; }
.footer-bottom p { font-size: 16px; color: #697a96;}
.social-links { display: flex; gap: 20px; }
.social-links a { color: #9ba4b5; font-size: 20px; transition: 0.3s; background: rgba(255,255,255,0.05); width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; border-radius: 50%;}
.social-links a:hover { color: #fff; background: var(--vi-blue); transform: translateY(-3px);}

/* ================= 右下角交互工具栏 ================= */
.float-tools { position: fixed; bottom: 40px; right: 40px; z-index: 999; display: flex; flex-direction: column; gap: 15px; }
.tool-btn { 
    width: 54px; height: 54px; background: #fff; border-radius: 50%; 
    box-shadow: 0 5px 20px rgba(0,0,0,0.15); display: flex; align-items: center; 
    justify-content: center; font-size: 22px; color: var(--text-dark); cursor: pointer; 
    transition: 0.3s; position: relative;
}
.tool-btn:hover { background: var(--vi-blue); color: #fff; }

.consult-expand { 
    position: absolute; bottom: 100%; left: 0; width: 100%; 
    display: flex; flex-direction: column; gap: 12px; 
    opacity: 0; visibility: hidden; transform: translateY(20px); 
    transition: var(--transition-soft); padding-bottom: 20px;
}
.consult-btn:hover .consult-expand { opacity: 1; visibility: visible; transform: translateY(0); }
.expand-icon { 
    width: 54px; height: 54px; background: #fff; border-radius: 50%; 
    display: flex; align-items: center; justify-content: center; 
    color: var(--text-dark); box-shadow: 0 5px 15px rgba(0,0,0,0.1); transition: 0.3s;
}
.expand-icon:hover { background: var(--vi-blue); color: #fff; transform: scale(1.1); }

.weixin .qrcode{width: 120px;height: 120px;background-color: #fff;padding: 10px;position: absolute;top: 0;right: 60px;}
.weixin:hover .qrcode{display: block;}

#backToTop { opacity: 0; visibility: hidden; transform: translateY(20px); }
#backToTop.show { opacity: 1; visibility: visible; transform: translateY(0); }

@media (max-width: 1024px) {
    .float-tools{display: none;}
}

/* ================= 992px 平板适配 ================= */
@media (max-width: 992px) {
    footer {
        padding: 0.606rem 0 0.455rem;
    }
    .container-1600 { padding: 0 0.303rem; }
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.303rem;
    }
    .footer-logo { margin-bottom: 0.227rem; }
    .footer-logo img { width: 1.591rem; height: 0.242rem; }
    .footer-desc { font-size: 0.121rem; line-height: 1.8; }
    .footer-col h4 { font-size: 0.136rem; margin-bottom: 0.227rem; }
    .footer-col ul li { margin-bottom: 0.136rem; }
    .footer-col ul li a { font-size: 0.121rem; }

    .contact-info { margin-bottom: 0.265rem; }
    .contact-info p { font-size: 0.121rem; margin-bottom: 0.038rem; }
    .contact-info span { font-size: 0.212rem; letter-spacing: 0.008rem; }

    .newsletter h4 { margin-bottom: 0.114rem; }
    .newsletter input { font-size: 0.121rem; }
    .newsletter button { font-size: 0.136rem; }

    .footer-bottom-wrap { margin-top: 0.455rem; padding-top: 0.303rem; }
    .footer-bottom p { font-size: 0.121rem; }
    .social-links { gap: 0.152rem; }
    .social-links a {
        font-size: 0.152rem; width: 0.303rem; height: 0.303rem;
    }

    .float-tools { bottom: 0.303rem; right: 0.303rem; gap: 0.114rem; }
    .tool-btn { width: 0.409rem; height: 0.409rem; font-size: 0.167rem; }
    .expand-icon { width: 0.409rem; height: 0.409rem; }
    .weixin .qrcode { width: 0.909rem; height: 0.909rem; right: 0.455rem; }
}



/* ================= 768px 手机端适配 ================= */
@media (max-width: 768px) {
    footer {
        padding: 0.455rem 0 0.364rem;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 0.2rem;
    }
    .footer-logo { margin-bottom: 0.182rem; }
    .footer-logo img { width: 2.364rem; height: 0.412rem; }
    .footer-desc { font-size: 0.26rem; line-height: 1.7; }
    .footer-col { margin-bottom: 0.152rem; }
    .footer-col h4 { font-size: 0.32rem; margin-bottom: 0.182rem; }
    .footer-col ul li { margin-bottom: 0.25rem; }
    .footer-col ul li a { font-size: 0.28rem; }

    .contact-info { margin-bottom: 0.227rem; }
    .contact-info p { font-size: 0.26rem; margin-bottom: .1rem;}
    .contact-info span { font-size: 0.32rem; }

    .newsletter-box { padding-bottom: 0.2rem; }
    .newsletter input { font-size: 0.3rem; }

    .footer-bottom-wrap { margin-top: 0.303rem; padding-top: 0.227rem; }
    .footer-bottom {
        flex-direction: column; gap: 0.227rem;
        align-items: flex-start;
    }
    .footer-bottom p { font-size: 0.26rem; line-height: 1.6;}
    .footer-bottom a { font-size: 0.26rem; }
    .social-links { gap: 0.121rem; flex-wrap: wrap; }
    .social-links a {
        width: 0.333rem; height: 0.333rem; font-size: 0.152rem;
    }

    .float-tools { bottom: 0.227rem; right: 0.227rem; gap: 0.091rem; }
    .tool-btn { width: 0.364rem; height: 0.364rem; font-size: 0.152rem; }
    .expand-icon { width: 0.364rem; height: 0.364rem; }
}
.pdp-breadcrumbs-wrapper { width: 100%; padding-bottom: 30px; text-align: left; }
.breadcrumbs { display: flex; align-items: center; gap: 10px; font-size: 14px; font-weight: 600; color: var(--text-gray); }
.breadcrumbs a { transition: color 0.3s; color: var(--text-gray); text-decoration: none; }
.breadcrumbs a:hover { color: var(--vi-blue); }
.breadcrumbs .separator { color: rgba(0,0,0,0.3); font-size: 12px; }
.breadcrumbs .current { color: var(--text-dark); }

@media (max-width: 992px) {
    .pdp-breadcrumbs-wrapper{display: none;}
}


.page-product-detail {
    margin-top: 80px; 
    min-height: calc(100vh - 80px);
    background: var(--bg-white);
}

/* ================= 面包屑 ================= */
.pdp-breadcrumbs-wrapper {
    background: var(--bg-white);
    padding: 30px 0 20px 0;
}
.breadcrumbs { display: flex; align-items: center; gap: 10px; font-size: 14px; font-weight: 500; color: var(--text-gray); }
.breadcrumbs a { transition: color 0.3s; }
.breadcrumbs a:hover { color: var(--vi-blue); }
.breadcrumbs .separator { color: #ccc; font-size: 12px; }
.breadcrumbs .current { color: var(--text-dark); font-weight: 600; }

/* ================= 1. 首屏商品速览区 ================= */
.pdp-intro-section {
    padding: 20px 0 80px 0;
    background: var(--bg-white);
}
.pdp-grid {
    display: grid;
    grid-template-columns: 710px 1fr;
    gap: 60px;
    position: relative; 
}

/* ========== 左侧：画廊 ========== */
.pdp-gallery {
    display: flex;
    flex-direction: column;
    gap: 20px;
    width: 100%;
    position: relative;
    z-index: 50; 
}
.pdp-main-img-container {
    background: var(--bg-light); 
    width: 100%;
    aspect-ratio: 1 / 1; 
    border-radius: var(--radius-sm);
    position: relative;
    cursor: crosshair; 
}
.pdp-main-img-container img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 40px; 
    transition: opacity 0.3s ease;
    mix-blend-mode: multiply;
}
.pdp-main-img-container .badge {
    position: absolute; top: 20px; left: 20px; background: #111; color: #fff;
    padding: 6px 12px; font-size: 12px; font-weight: 700; letter-spacing: 1px; border-radius: 4px; z-index: 2;
}

.zoom-window {
    position: absolute;
    top: 0;
    left: calc(100% + 60px); 
    width: 100%; 
    height: 100%;
    background-color: #ffffff; 
    border-radius: var(--radius-sm);
    box-shadow: 0 20px 60px rgba(0,0,0,0.15);
    border: 1px solid rgba(0,0,0,0.05);
    z-index: 999; 
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    background-repeat: no-repeat;
}
.pdp-main-img-container:hover .zoom-window { opacity: 1; visibility: visible; }

.pdp-slider-wrapper { width: 100%; position: relative; }
.pdp-thumb-list {
    display: flex; gap: 15px; overflow-x: auto; scrollbar-width: none; 
    padding: 15px 5px; margin: -15px -5px; scroll-behavior: smooth; 
}
.pdp-thumb-list::-webkit-scrollbar { display: none; }
.pdp-thumb {
    width: 130px; height: 130px; flex-shrink: 0; background: var(--bg-light);
    border-radius: 4px; padding: 10px; cursor: pointer; transition: var(--transition-soft);
    box-sizing: border-box; border: 1px solid transparent;
}
.pdp-thumb img { width: 100%; height: 100%; object-fit: contain; mix-blend-mode: multiply; }
.pdp-thumb:hover, .pdp-thumb.active { background: #ffffff; box-shadow: 0 4px 15px rgba(0, 0, 0, 0.12); }
.pdp-thumb:hover img, .pdp-thumb.active img { mix-blend-mode: normal; }

.thumb-nav-btn {
    position: absolute; top: 50%; transform: translateY(-50%);
    width: 30px; height: 30px; background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(0,0,0,0.05); border-radius: 50%;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1); display: flex; align-items: center; justify-content: center;
    cursor: pointer; z-index: 10; color: var(--text-dark);
    opacity: 0; visibility: hidden;      
    transition: opacity 0.3s, visibility 0.3s, background-color 0.3s, color 0.3s;
}
.thumb-nav-btn:hover { background: var(--vi-blue); color: #ffffff; border-color: var(--vi-blue); }
.thumb-nav-btn.prev { left: 0; }
.thumb-nav-btn.next { right: 0; }
.pdp-slider-wrapper:hover .thumb-nav-btn { opacity: 1; visibility: visible; }

/* ========== 右侧：产品信息 ========== */
.pdp-info { display: flex; flex-direction: column; justify-content: center; position: relative; z-index: 1; }
.pdp-info h1 { font-size: 45px; font-weight: 800; color: var(--text-dark); margin-bottom: 10px; line-height: 1.1; }
.pdp-subtitle { font-size: 20px; color: var(--text-gray); font-weight: 500; margin-bottom: 25px; }
.pdp-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 25px; }
.pdp-tag { padding: 6px 15px; font-size: 14px; font-weight: 700; color: var(--vi-blue); background: rgba(0, 96, 191, 0.08); border-radius: 4px; }
.pdp-desc-short { font-size: 16px; color: var(--text-gray); line-height: 1.8; margin-bottom: 25px; }
.pdp-highlights { list-style-type: disc; list-style-position: outside; margin-left: 20px; margin-bottom: 40px; padding-bottom: 30px; border-bottom: 1px solid rgba(0,0,0,0.05); }
.pdp-highlights li { margin-bottom: 12px; font-size: 16px; font-weight: 500; color: var(--text-dark); line-height: 1.6; display: list-item; }

.pdp-actions { display: flex; gap: 20px; }
.btn-pdp { padding: 18px 40px; font-size: 16px; font-weight: 700; text-transform: uppercase; border-radius: 4px; cursor: pointer; transition: var(--transition-soft); display: inline-flex; align-items: center; gap: 10px; }
.btn-primary { background: var(--vi-blue); color: #fff; border: none; }
.btn-primary:hover { background: #004b99; transform: translateY(-3px); box-shadow: 0 10px 20px rgba(0,96,191,0.2); }
.btn-secondary { background: transparent; color: var(--text-dark); border: 2px solid var(--text-dark); }
.btn-secondary:hover { background: var(--text-dark); color: #fff; transform: translateY(-3px); }

/* ================= 2. 极简悬浮电梯导航 ================= */
.pdp-sticky-nav {
    position: sticky; top: 80px; background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid rgba(0,0,0,0.08); z-index: 90;
    transition: top 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}
.pdp-nav-list { display: flex; justify-content: center; gap: 100px; height: 70px; align-items: center; }
.pdp-nav-list li { font-size: 18px; font-weight: 700; color: var(--text-gray); cursor: pointer; height: 100%; display: flex; align-items: center; position: relative; text-transform: uppercase; transition: color 0.3s; }
.pdp-nav-list li:hover, .pdp-nav-list li.active { color: var(--text-dark); }
.pdp-nav-list li::after { content: ''; position: absolute; bottom: -1px; left: 0; width: 0; height: 3px; background: var(--vi-blue); transition: var(--transition-soft); }
.pdp-nav-list li.active::after { width: 100%; }

/* ================= 3. 通栏 Description ================= */
.pdp-description-section { padding: 80px 0; background: var(--bg-white); }
.rich-content-container { width: 92%; /*max-width: 1920px;*/max-width: 1600px; margin: 0 auto; text-align: center; }
.rich-content-container img { max-width: 92%; width: auto; height: auto; display: block; margin: 0 auto; }
.rich-content-container video { max-width: 92%; width: auto; height: auto; display: block; margin: 0 auto; }
.rich-content-container table {max-width: 92%;margin: 0 auto; }
.rich-content-container iframe{max-width: 92%;margin: 0 auto}

/* ================= 4. 参数表格区块 ================= */
.pdp-specs-section {
    padding: 120px 0; background-image: url('images/oem_cases_bg.jpg'); background-size: cover;
    background-position: center; background-attachment: fixed; position: relative;
}
.pdp-specs-section::before { content: ''; position: absolute; top:0; left:0; width:100%; height:100%; background: rgba(0,0,0,0.5); z-index: 1; }
.specs-container {
    position: relative; z-index: 2; max-width: 1000px; margin: 0 auto; background: rgba(255, 255, 255, 0.95); 
    backdrop-filter: blur(10px); padding: 60px; border-radius: var(--radius-sm); box-shadow: 0 20px 50px rgba(0,0,0,0.15);
}
.spec-table { width: 100%; border-collapse: collapse; }
.spec-table th, .spec-table td { padding: 18px 0; border-bottom: 1px solid rgba(0,0,0,0.05); font-size: 16px; text-align: left; }
.spec-table th { width: 35%; font-weight: 600; color: var(--text-dark); }
.spec-table td { width: 65%; color: var(--text-gray); }

/* ================= 5. GET A QUOTE 询盘弹窗 (无滚动精凑版) ================= */
.quote-modal-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.7); backdrop-filter: blur(4px);
    z-index: 9999; display: flex; align-items: center; justify-content: center;
    opacity: 0; visibility: hidden; transition: all 0.3s ease;
}
.quote-modal-overlay.active { opacity: 1; visibility: visible; }

.quote-modal-container {
    background: var(--bg-white); width: 90%; max-width: 680px;
    padding: 40px; border-radius: var(--radius-sm); position: relative;
    transform: translateY(30px); transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    box-shadow: 0 25px 60px rgba(0,0,0,0.2);
}
.quote-modal-overlay.active .quote-modal-container { transform: translateY(0); }

.quote-close-btn {
    position: absolute; top: 20px; right: 25px; background: none; border: none;
    font-size: 24px; color: var(--text-gray); cursor: pointer; transition: color 0.3s;
}
.quote-close-btn:hover { color: var(--text-dark); }

.quote-header h2 { font-size: 28px; font-weight: 800; color: var(--text-dark); margin-bottom: 10px; text-transform: uppercase; }
.quote-header p { font-size: 14px; color: var(--text-gray); line-height: 1.5; margin-bottom: 25px; }

/* 横向浓缩的当前产品条 */
.quote-product-strip {
    display: flex; align-items: center; justify-content: space-between;
    background: var(--bg-light); padding: 15px; border-radius: 4px; margin-bottom: 25px;
    border: 1px solid rgba(0,0,0,0.05);
}
.quote-product-strip .info-left { display: flex; align-items: center; gap: 15px; }
.quote-product-strip img { width: 50px; height: 50px; object-fit: contain; mix-blend-mode: multiply; }
.quote-product-strip .p-name { font-size: 15px; font-weight: 600; color: var(--text-dark); max-width: 320px; line-height: 1.3; }

/* 数量步进器 */
.quote-qty-box { display: flex; align-items: center; gap: 10px; }
.quote-qty-box label { font-size: 13px; color: var(--text-gray); font-weight: 500; }
.quote-qty-controls { display: flex; align-items: center; border: 1px solid #ddd; border-radius: 4px; background: #fff; overflow: hidden; }
.quote-qty-controls button { width: 30px; height: 30px; background: none; border: none; font-size: 16px; cursor: pointer; color: var(--text-dark); transition: background 0.3s; }
.quote-qty-controls button:hover { background: var(--bg-light); }
.quote-qty-controls input { width: 40px; height: 30px; text-align: center; border: none; border-left: 1px solid #ddd; border-right: 1px solid #ddd; font-weight: 600; font-family: inherit; outline: none; }

/* 紧凑双列网格表单 */
.quote-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
.quote-form-group.full { grid-column: 1 / 3; }
.quote-input {
    width: 100%; padding: 12px 15px; font-size: 14px; font-family: inherit;
    background: var(--bg-light); border: 1px solid rgba(0,0,0,0.05); border-radius: 4px;
    outline: none; transition: var(--transition-soft); color: var(--text-dark);
}
.quote-input:focus { background: #fff; border-color: var(--vi-blue); box-shadow: 0 0 0 3px rgba(0,96,191,0.1); }
textarea.quote-input { height: 80px; resize: none; }

/* 表单底栏：极简照片上传 + 提交按钮 */
.quote-footer {
    display: flex; align-items: center; justify-content: space-between;
    grid-column: 1 / 3; margin-top: 10px;
}
.quote-upload-btn {
    display: flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 500; color: var(--text-gray); cursor: pointer; transition: color 0.3s;
}
.quote-upload-btn:hover { color: var(--vi-blue); }
.quote-upload-btn i { font-size: 18px; }
.quote-submit-btn {
    background: var(--vi-blue); color: #fff; border: none; padding: 14px 35px;
    font-size: 15px; font-weight: 700; text-transform: uppercase; border-radius: 4px;
    cursor: pointer; transition: var(--transition-soft);
}
.quote-submit-btn:hover { background: #004b99; box-shadow: 0 8px 15px rgba(0,96,191,0.2); transform: translateY(-2px); }

/* ================= 响应式 ================= */

/* 1680px */
@media (max-width: 1680px) {
    .pdp-grid { gap: 50px; }
    .pdp-info h1 { font-size: 43px; }
    .pdp-description-section { padding: 70px 0; }
    .specs-container { padding: 55px; }
    .quote-modal-container { padding: 38px; }
}

/* 1536px */
@media (max-width: 1536px) {
    .pdp-grid { grid-template-columns: 650px 1fr; gap: 45px; }
    .pdp-info h1 { font-size: 42px; }
    .pdp-subtitle { font-size: 18px; }
    .pdp-description-section { padding: 65px 0; }
    .specs-container { padding: 50px; }
    .quote-modal-container { padding: 35px; }
}

/* 1440px */
@media (max-width: 1440px) {
    .pdp-grid { grid-template-columns: 600px 1fr; gap: 42px; }
    .pdp-info h1 { font-size: 40px; margin-bottom: 8px; }
    .pdp-subtitle { font-size: 17px; margin-bottom: 22px; }
    .pdp-tags { gap: 8px; margin-bottom: 22px; }
    .pdp-tag { font-size: 13px; padding: 5px 13px; }
    .pdp-desc-short { font-size: 15px; margin-bottom: 22px; }
    .pdp-highlights li { font-size: 15px; margin-bottom: 10px; }
    .btn-pdp { padding: 16px 35px; font-size: 15px; }
    .pdp-description-section { padding: 60px 0; }
    .specs-container { padding: 45px; }
    .spec-table th, .spec-table td { font-size: 15px; padding: 16px 0; }
    .quote-modal-container { padding: 32px; }
    .quote-header h2 { font-size: 26px; }
    .quote-header p { font-size: 13px; margin-bottom: 22px; }
    .quote-form-grid { gap: 12px; }
    .quote-input { font-size: 13px; padding: 11px 14px; }
}

/* 1366px */
@media (max-width: 1366px) {
    .pdp-grid { grid-template-columns: 550px 1fr; gap: 40px; }
    .zoom-window { display: none; }
    .pdp-info h1 { font-size: 38px; }
    .pdp-subtitle { font-size: 16px; }
    .pdp-tags { gap: 7px; }
    .pdp-tag { font-size: 12px; padding: 4px 12px; }
    .pdp-desc-short { font-size: 14px; }
    .pdp-highlights li { font-size: 14px; margin-bottom: 8px; }
    .btn-pdp { padding: 15px 32px; font-size: 14px; gap: 8px; }
    .pdp-nav-list { gap: 50px; }
    .pdp-nav-list li { font-size: 16px; }
    .pdp-description-section { padding: 55px 0; }
    .specs-container { padding: 40px; }
    .spec-table th, .spec-table td { font-size: 14px; padding: 15px 0; }
    .quote-modal-container { padding: 30px; }
    .quote-header h2 { font-size: 24px; }
    .quote-header p { font-size: 12px; margin-bottom: 20px; }
    .quote-form-grid { gap: 10px; }
    .quote-input { font-size: 12px; padding: 10px 12px; }
    .quote-submit-btn { padding: 12px 30px; font-size: 14px; }
}

/* 1280px */
@media (max-width: 1280px) {
    .pdp-grid { grid-template-columns: 500px 1fr; gap: 35px; }
    .pdp-gallery { gap: 15px; }
    .pdp-thumb { width: 110px; height: 110px; padding: 8px; }
    .pdp-info h1 { font-size: 36px; }
    .pdp-subtitle { font-size: 15px; margin-bottom: 20px; }
    .pdp-tags { gap: 6px; margin-bottom: 20px; }
    .pdp-tag { font-size: 11px; padding: 4px 10px; }
    .pdp-desc-short { font-size: 13px; margin-bottom: 20px; }
    .pdp-highlights { margin-bottom: 35px; padding-bottom: 25px; }
    .pdp-highlights li { font-size: 13px; margin-bottom: 7px; }
    .btn-pdp { padding: 14px 30px; font-size: 13px; }
    .pdp-nav-list { gap: 45px; height: 60px; }
    .pdp-nav-list li { font-size: 15px; }
    .pdp-description-section { padding: 50px 0; }
    .pdp-specs-section { padding: 100px 0; }
    .specs-container { padding: 35px; }
    .spec-table th, .spec-table td { font-size: 13px; padding: 14px 0; }
    .quote-modal-container { padding: 28px; }
    .quote-header h2 { font-size: 22px; }
    .quote-product-strip { padding: 12px; }
    .quote-product-strip .p-name { font-size: 14px; max-width: 280px; }
    .quote-form-grid { gap: 10px; }
    .quote-input { font-size: 12px; padding: 10px 12px; }
    .quote-submit-btn { padding: 12px 28px; font-size: 13px; }
}

/* 1024px */
@media (max-width: 1024px) {
    .pdp-grid { grid-template-columns: 1fr; }
    .pdp-gallery { width: 100%; max-width: 710px; margin: 0 auto; }
    .pdp-nav-list { gap: 40px; }
}

/* 992px */
@media (max-width: 992px) {
    .page-product-detail { margin-top: .606rem; }
    .pdp-intro-section { padding: .152rem 0 .606rem 0; }
    .pdp-grid { grid-template-columns: 1fr; gap: .303rem; }
    .pdp-gallery { gap: .121rem; }
    .pdp-thumb { width: .985rem; height: .985rem; padding: .076rem; }
    .pdp-main-img-container img { padding: .303rem; }
    .pdp-info h1 { font-size: .273rem; margin-bottom: .076rem; }
    .pdp-subtitle { font-size: .152rem; margin-bottom: .182rem; }
    .pdp-tags { gap: .076rem; margin-bottom: .182rem; }
    .pdp-tag { font-size: .106rem; padding: .045rem .114rem; }
    .pdp-desc-short { font-size: .121rem; margin-bottom: .182rem; }
    .pdp-highlights { margin-bottom: .303rem; padding-bottom: .227rem; }
    .pdp-highlights li { font-size: .121rem; margin-bottom: .091rem; }
    .pdp-actions { gap: .152rem; }
    .btn-pdp { padding: .136rem .303rem; font-size: .121rem; gap: .076rem; }
    .pdp-nav-list { gap: .303rem; height: .530rem; }
    .pdp-nav-list li { font-size: .136rem; }
    .pdp-description-section { padding: .455rem 0; }
    .pdp-specs-section { padding: .758rem 0; }
    .specs-container { padding: .303rem .152rem; }
    .spec-table th, .spec-table td { font-size: .121rem; padding: .136rem 0; }
    .quote-modal-container { padding: .227rem .152rem; }
    .quote-close-btn { top: .152rem; right: .182rem; font-size: .182rem; }
    .quote-header h2 { font-size: .212rem; margin-bottom: .076rem; }
    .quote-header p { font-size: .106rem; margin-bottom: .182rem; }
    .quote-product-strip { padding: .114rem; gap: .114rem; }
    .quote-product-strip .info-left { gap: .114rem; }
    .quote-product-strip img { width: .379rem; height: .379rem; }
    .quote-product-strip .p-name { font-size: .114rem; max-width: 2.424rem; }
    .quote-qty-box label { font-size: .098rem; }
    .quote-qty-controls button { width: .227rem; height: .227rem; font-size: .121rem; }
    .quote-qty-controls input { width: .303rem; height: .227rem; }
    .quote-form-grid { gap: .114rem; }
    .quote-input { font-size: .106rem; padding: .091rem .114rem; }
    textarea.quote-input { height: .606rem; }
    .quote-upload-btn { font-size: .106rem; gap: .061rem; }
    .quote-upload-btn i { font-size: .136rem; }
    .quote-submit-btn { padding: .106rem .265rem; font-size: .114rem; }
}

/* 768px */
@media (max-width: 768px) {
    .page-product-detail { margin-top: 1rem; }
    .pdp-breadcrumbs-wrapper { padding: .2rem 0; }
    .pdp-intro-section { padding: .2rem 0 .5rem 0; }
    .pdp-grid { display: block; }
    .pdp-gallery { gap: .121rem; }
    .pdp-main-img-container img { padding: .2rem; }
    .pdp-main-img-container .badge { top: .152rem; left: .152rem; padding: .045rem .091rem; font-size: .26rem; }
    .pdp-thumb { width: 1.6rem; height: 1.6rem; padding: .061rem; }
    .pdp-thumb-list { gap: .121rem; padding: .4rem .038rem; }
    .pdp-info h1 { font-size: .42rem; margin-bottom: .2rem;margin-top: .3rem; }
    .pdp-subtitle { font-size: .26rem; margin-bottom: .2rem; }
    .pdp-tags { gap: .076rem; margin-bottom: .2rem; }
    .pdp-tag { font-size: .26rem; padding: .061rem .121rem; }
    .pdp-desc-short { font-size: .26rem; margin-bottom: .2rem; }
    .pdp-highlights { margin-left: .152rem; margin-bottom: .303rem; padding-bottom: .227rem; }
    .pdp-highlights li { font-size: .26rem; margin-bottom: .15rem; }
    .pdp-actions { flex-direction: column; gap: .2rem; }
    .btn-pdp { width: 100%; justify-content: center; font-size: .26rem; padding: .2rem .2rem; }
    .pdp-sticky-nav { top: .606rem; }
    .pdp-nav-list { gap: .3rem; overflow-x: auto; padding: 0 .2rem; scrollbar-width: none; height: auto; }
    .pdp-nav-list::-webkit-scrollbar { display: none; }
    .pdp-nav-list li { font-size: .3rem; white-space: nowrap; height: auto; padding: .121rem 0; }
    .thumb-nav-btn { opacity: 1;visibility: visible; }
    .pdp-description-section { padding: .455rem 0; }
    .pdp-specs-section { padding: .5rem 0; background-attachment: scroll; }
    .specs-container { padding: .2rem; }
    .spec-table th, .spec-table td { font-size: .28rem; padding: .2rem 0; }
    .spec-table th { display: block; width: 100%; }
    .spec-table td { display: block; width: 100%; }
    .quote-modal-container { padding: .3rem; }
    .quote-close-btn { top: .152rem; right: .152rem; font-size: .242rem; }
    .quote-header h2 { font-size: .3rem; margin-bottom: .076rem; }
    .quote-header p { font-size: .26rem; margin-bottom: .2rem; }
    .quote-product-strip { padding: .3rem; gap: .3rem;flex-direction: column;align-items: flex-start;margin-bottom: .2rem; }
    .quote-product-strip .info-left { gap: .121rem; }
    .quote-product-strip img { width: 1.5rem; height: 1.5rem; }
    .quote-product-strip .p-name { font-size: .3rem; }
    .quote-qty-box label { font-size: .26rem; }
    .quote-qty-controls button { width: .6rem; height: .6rem; font-size: .3rem; }
    .quote-qty-controls input { width: .364rem; height: .6rem; font-size: .3rem; }
    .quote-form-grid { grid-template-columns: 1fr; gap: .121rem; }
    .quote-form-group.full { grid-column: 1 / 2; }
    .quote-input { font-size: .26rem; padding: .121rem .152rem; }
    textarea.quote-input { height: 1.6rem; }
    .quote-footer { grid-column: 1 / 2; flex-direction: column; align-items: flex-start; gap: .121rem; }
    .quote-upload-btn { font-size: .26rem; gap: .061rem; }
    .quote-upload-btn i { font-size: .26rem; }
    .quote-submit-btn { width: 100%; padding: .152rem; font-size: .26rem; }
}