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 .hamburger { transition-property: opacity, filter; transition-duration: 0.5s; transition-timing-function: linear; } .hamburger .hamburger-inner, .hamburger .hamburger-inner::before, .hamburger .hamburger-inner::after { background-color: currentColor; } .hamburger-box { width: 15px; height: 12px; display: inline-block; position: relative; } .hamburger-inner { display: block; top: 50%; margin-top: -1px; } .hamburger-inner, .hamburger-inner:before, .hamburger-inner:after { width: 15px; height: 2px; background-color: currentColor; border-radius: 2px; position: absolute; transition-property: transform; transition-duration: 0.5s; transition-timing-function: ease; } .hamburger-inner:before, .hamburger-inner:after { content: ""; display: block; } .hamburger-inner:before { top: -5px; } .hamburger-inner:after { bottom: -5px; } .hamburger--donner .hamburger-inner { transition-duration: 0.075s; transition-timing-function: cubic-bezier(0.55, 0.055, 0.675, 0.19); } .hamburger--donner .hamburger-inner:before { width: 16px; left: -3px; } .hamburger--donner .hamburger-inner { width: 10px; left: 3px; } .hamburger--donner .hamburger-inner:after { width: 4px; left: 3px; } .hamburger--donner .hamburger-inner::before { transition: top 0.075s 0.12s ease, opacity 0.075s ease; } .hamburger--donner .hamburger-inner::after { transition: bottom 0.075s 0.12s ease, transform 0.075s cubic-bezier(0.55, 0.055, 0.675, 0.19); } .is-active .hamburger--donner .hamburger-inner, .hamburger--donner.is-active .hamburger-inner { transform: rotate(45deg); transition-delay: 0.12s; transition-timing-function: cubic-bezier(0.215, 0.61, 0.355, 1); } .is-active .hamburger--donner .hamburger-inner, .hamburger--donner.is-active .hamburger-inner, .is-active .hamburger--donner .hamburger-inner:before, .hamburger--donner.is-active .hamburger-inner:before, .is-active .hamburger--donner .hamburger-inner:after, .hamburger--donner.is-active .hamburger-inner:after { width: 15px; left: auto; } .is-active .hamburger--donner .hamburger-inner::before, .hamburger--donner.is-active .hamburger-inner::before { top: 0; opacity: 0; transition: top 0.075s ease, opacity 0.075s 0.12s ease; } .is-active .hamburger--donner .hamburger-inner::after, .hamburger--donner.is-active .hamburger-inner::after { bottom: 0; transform: rotate(-90deg); transition: bottom 0.075s ease, transform 0.075s 0.12s cubic-bezier(0.215, 0.61, 0.355, 1); }
 :root{ --container: 748px;--postwidth:100%; --primarybtnbg: var(--nv-primary-accent); --secondarybtnbg: rgba(0, 0, 0, 0); --primarybtnhoverbg: var(--nv-secondary-accent); --secondarybtnhoverbg: var(--nv-secondary-accent); --primarybtncolor: #fefefe; --secondarybtncolor: var(--nv-primary-accent); --primarybtnhovercolor: #ffffff; --secondarybtnhovercolor: var(--nv-text-dark-bg);--primarybtnborderradius:4px;--secondarybtnborderradius:4px;--secondarybtnborderwidth:2px;--btnpadding:12px 24px;--primarybtnpadding:12px 24px;--secondarybtnpadding:calc(12px - 2px) calc(24px - 2px); --btnfs: 14px; --btnlineheight: 1.6em; --btntexttransform: capitalize; --bodyfontfamily: Arial,Helvetica,sans-serif; --bodyfontsize: 16px; --bodylineheight: 1.7em; --bodyletterspacing: 0px; --bodyfontweight: 400; --bodytexttransform: none; --h1fontsize: 39px; --h1fontweight: 600; --h1lineheight: 1.2em; --h1letterspacing: 0px; --h1texttransform: none; --h2fontsize: 28px; --h2fontweight: 600; --h2lineheight: 1.3em; --h2letterspacing: 0px; --h2texttransform: none; --h3fontsize: 20px; --h3fontweight: 600; --h3lineheight: 1.3em; --h3letterspacing: 0px; --h3texttransform: none; --h4fontsize: 16px; --h4fontweight: 600; --h4lineheight: 1.3em; --h4letterspacing: 0px; --h4texttransform: none; --h5fontsize: 14px; --h5fontweight: 600; --h5lineheight: 1.3em; --h5letterspacing: 0px; --h5texttransform: none; --h6fontsize: 14px; --h6fontweight: 600; --h6lineheight: 1.3em; --h6letterspacing: 0px; --h6texttransform: none;--formfieldborderwidth:2px;--formfieldborderradius:0; --formfieldbgcolor: var(--nv-site-bg); --formfieldbordercolor: var(--nv-light-bg); --formfieldcolor: var(--nv-text-color);--formfieldpadding:10px 12px 10px 12px;; } .nv-post-thumbnail-wrap img{ aspect-ratio: 4/3; object-fit: cover; } .layout-grid .nv-post-thumbnail-wrap{ margin-right:-25px;margin-left:-25px; } .nv-index-posts{ --borderradius:8px;--padding:25px 25px 25px 25px;--cardboxshadow:0 0 2px 0 rgba(0,0,0,0.15); --cardbgcolor: var(--nv-site-bg); --cardcolor: var(--nv-text-color); } .has-neve-button-color-color{ color: var(--nv-primary-accent)!important; } .has-neve-button-color-background-color{ background-color: var(--nv-primary-accent)!important; } .single-post-container .alignfull > [class*="__inner-container"], .single-post-container .alignwide > [class*="__inner-container"]{ max-width:718px } .single-product .alignfull > [class*="__inner-container"], .single-product .alignwide > [class*="__inner-container"]{ max-width:718px } .nv-meta-list{ --avatarsize: 20px; } .single .nv-meta-list{ --avatarsize: 20px; } .blog .blog-entry-title, .archive .blog-entry-title{ --fontsize: 28px; } .single h1.entry-title{ --fontsize: 28px; } .nv-post-cover{ --height: 250px;--padding:40px 15px;--justify: flex-start; --textalign: left; --valign: center; } .nv-post-cover .nv-title-meta-wrap, .nv-page-title-wrap, .entry-header{ --textalign: left; } .nv-is-boxed.nv-title-meta-wrap{ --padding:40px 15px; --bgcolor: var(--nv-dark-bg); } .nv-overlay{ --opacity: 50; --blendmode: normal; } .nv-is-boxed.nv-comments-wrap{ --padding:20px; } .nv-is-boxed.comment-respond{ --padding:20px; } .single:not(.single-product), .page{ --c-vspace:0 0 0 0;; } .global-styled{ --bgcolor: var(--nv-site-bg); } .header-top{ --rowbcolor: var(--nv-light-bg); --color: var(--nv-text-color); --bgcolor: #f0f0f0; } .header-main{ --rowbwidth:0px; --rowbcolor: #ffffff; --color: #ffffff; --bgcolor: rgba(92,92,92,0.2); } .header-bottom{ --rowbcolor: var(--nv-light-bg); --color: var(--nv-text-color); --bgcolor: #ffffff; } .header-menu-sidebar-bg{ --justify: center; --textalign: center;--flexg: 0;--wrapdropdownwidth: calc( 100% + 44px ); --color: var(--nv-text-color);--bgimage:none;--bgposition:50% 50%;;--bgoverlayopacity:0.7; } .builder-item--logo{ --maxwidth: 125px; --color: var(--nv-text-color); --fs: 24px;--padding:10px 0;--margin:0; --textalign: left;--justify: flex-start; } .builder-item--nav-icon,.header-menu-sidebar .close-sidebar-panel .navbar-toggle{ --borderradius:3px;--borderwidth:1px; } .builder-item--nav-icon{ --label-margin:0 5px 0 0;;--padding:10px 15px;--margin:0; } .builder-item--primary-menu{ --color: #fefefe; --hovercolor: var(--nv-secondary-accent); --hovertextcolor: var(--nv-text-color); --activecolor: #ffffff; --spacing: 20px; --height: 25px;--padding:0;--margin:0; --fontfamily: Arial,Helvetica,sans-serif; --fontsize: 1em; --lineheight: 1.6em; --letterspacing: 0px; --fontweight: 600; --texttransform: uppercase; --iconsize: 1em; } .hfg-is-group.has-primary-menu .inherit-ff{ --inheritedff: Arial, Helvetica, sans-serif; --inheritedfw: 600; } .builder-item--button_base{ --primarybtnbg: var(--nv-primary-accent); --primarybtncolor: #fff; --primarybtnhoverbg: var(--nv-primary-accent); --primarybtnhovercolor: #fff;--primarybtnborderradius:3px;--primarybtnshadow:none;--primarybtnhovershadow:none;--padding:8px 12px;--margin:0; } .footer-top-inner .row{ grid-template-columns:3fr 1fr 1fr 1fr; --valign: flex-start; } .footer-top{ --rowbcolor: var(--nv-light-bg); --color: var(--nv-text-color); --bgcolor: #000000; } .footer-main-inner .row{ grid-template-columns:3fr 1fr 1fr 1fr; --valign: flex-start; } .footer-main{ --rowbwidth:0px; --rowbcolor: #000000; --color: #ffffff; --overlaycolor: #000000;--bgimage:none;--bgposition:50% 50%;;--bgoverlayopacity:1; } .footer-bottom-inner .row{ grid-template-columns:1fr; --valign: flex-start; } .footer-bottom{ --rowbwidth:0px; --rowbcolor: var(--nv-light-bg); --color: var(--nv-text-dark-bg); --bgcolor: var(--nv-dark-bg); } .builder-item--footer-one-widgets{ --padding:0;--margin:0; --textalign: left;--justify: flex-start; } .builder-item--footer-three-widgets{ --padding:0;--margin:0; --textalign: left;--justify: flex-start; } .builder-item--footer-four-widgets{ --padding:0;--margin:0; --textalign: left;--justify: flex-start; } .builder-item--footer-menu{ --hovercolor: var(--nv-primary-accent); --spacing: 20px; --height: 25px;--padding:0;--margin:0; --fontfamily: Arial,Helvetica,sans-serif; --fontsize: 1em; --lineheight: 1.6em; --letterspacing: 0px; --fontweight: 500; --texttransform: none; --iconsize: 1em; --textalign: left;--justify: flex-start; } @media(min-width: 576px){ :root{ --container: 992px;--postwidth:50%;--btnpadding:12px 24px;--primarybtnpadding:12px 24px;--secondarybtnpadding:calc(12px - 2px) calc(24px - 2px); --btnfs: 14px; --btnlineheight: 1.6em; --bodyfontsize: 16px; --bodylineheight: 1.7em; --bodyletterspacing: 0px; --h1fontsize: 55px; --h1lineheight: 1.3em; --h1letterspacing: 0px; --h2fontsize: 34px; --h2lineheight: 1.3em; --h2letterspacing: 0px; --h3fontsize: 20px; --h3lineheight: 1.3em; --h3letterspacing: 0px; --h4fontsize: 16px; --h4lineheight: 1.3em; --h4letterspacing: 0px; --h5fontsize: 14px; --h5lineheight: 1.3em; --h5letterspacing: 0px; --h6fontsize: 14px; --h6lineheight: 1.3em; --h6letterspacing: 0px; } .layout-grid .nv-post-thumbnail-wrap{ margin-right:-25px;margin-left:-25px; } .nv-index-posts{ --padding:25px 25px 25px 25px; } .single-post-container .alignfull > [class*="__inner-container"], .single-post-container .alignwide > [class*="__inner-container"]{ max-width:962px } .single-product .alignfull > [class*="__inner-container"], .single-product .alignwide > [class*="__inner-container"]{ max-width:962px } .nv-meta-list{ --avatarsize: 20px; } .single .nv-meta-list{ --avatarsize: 20px; } .blog .blog-entry-title, .archive .blog-entry-title{ --fontsize: 32px; } .single h1.entry-title{ --fontsize: 40px; } .nv-post-cover{ --height: 320px;--padding:60px 30px;--justify: flex-start; --textalign: left; --valign: center; } .nv-post-cover .nv-title-meta-wrap, .nv-page-title-wrap, .entry-header{ --textalign: left; } .nv-is-boxed.nv-title-meta-wrap{ --padding:60px 30px; } .nv-is-boxed.nv-comments-wrap{ --padding:30px; } .nv-is-boxed.comment-respond{ --padding:30px; } .single:not(.single-product), .page{ --c-vspace:0 0 0 0;; } .header-main{ --rowbwidth:0px; } .header-menu-sidebar-bg{ --justify: center; --textalign: center;--flexg: 0;--wrapdropdownwidth: calc( 100% + 44px ); } .builder-item--logo{ --maxwidth: 190px; --fs: 24px;--padding:10px 0;--margin:0; --textalign: left;--justify: flex-start; } .builder-item--nav-icon{ --label-margin:0 5px 0 0;;--padding:10px 15px;--margin:0; } .builder-item--primary-menu{ --spacing: 20px; --height: 25px;--padding:0;--margin:0; --fontsize: 1em; --lineheight: 1.6em; --letterspacing: 0px; --iconsize: 1em; } .builder-item--button_base{ --padding:8px 12px;--margin:0; } .footer-main{ --rowbwidth:0px; } .footer-bottom{ --rowbwidth:0px; } .builder-item--footer-one-widgets{ --padding:0;--margin:0; --textalign: left;--justify: flex-start; } .builder-item--footer-three-widgets{ --padding:0;--margin:0; --textalign: left;--justify: flex-start; } .builder-item--footer-four-widgets{ --padding:0;--margin:0; --textalign: left;--justify: flex-start; } .builder-item--footer-menu{ --spacing: 20px; --height: 25px;--padding:0;--margin:0; --fontsize: 1em; --lineheight: 1.6em; --letterspacing: 0px; --iconsize: 1em; --textalign: left;--justify: flex-start; } }@media(min-width: 960px){ :root{ --container: 1800px;--postwidth:25%;--btnpadding:12px 24px;--primarybtnpadding:12px 24px;--secondarybtnpadding:calc(12px - 2px) calc(24px - 2px); --btnfs: 18px; --btnlineheight: 1.6em; --bodyfontsize: 18px; --bodylineheight: 1.7em; --bodyletterspacing: 0px; --h1fontsize: 70px; --h1lineheight: 1.3em; --h1letterspacing: 0px; --h2fontsize: 46px; --h2lineheight: 1.3em; --h2letterspacing: 0px; --h3fontsize: 24px; --h3lineheight: 1.3em; --h3letterspacing: 0px; --h4fontsize: 20px; --h4lineheight: 1.3em; --h4letterspacing: 0px; --h5fontsize: 16px; --h5lineheight: 1.3em; --h5letterspacing: 0px; --h6fontsize: 16px; --h6lineheight: 1.3em; --h6letterspacing: 0px; } .layout-grid .nv-post-thumbnail-wrap{ margin-right:-25px;margin-left:-25px; } .nv-index-posts{ --padding:25px 25px 25px 25px; } body:not(.single):not(.archive):not(.blog):not(.search):not(.error404) .neve-main > .container .col, body.post-type-archive-course .neve-main > .container .col, body.post-type-archive-llms_membership .neve-main > .container .col{ max-width: 100%; } body:not(.single):not(.archive):not(.blog):not(.search):not(.error404) .nv-sidebar-wrap, body.post-type-archive-course .nv-sidebar-wrap, body.post-type-archive-llms_membership .nv-sidebar-wrap{ max-width: 0%; } .neve-main > .archive-container .nv-index-posts.col{ max-width: 100%; } .neve-main > .archive-container .nv-sidebar-wrap{ max-width: 0%; } .neve-main > .single-post-container .nv-single-post-wrap.col{ max-width: 70%; } .single-post-container .alignfull > [class*="__inner-container"], .single-post-container .alignwide > [class*="__inner-container"]{ max-width:1230px } .container-fluid.single-post-container .alignfull > [class*="__inner-container"], .container-fluid.single-post-container .alignwide > [class*="__inner-container"]{ max-width:calc(70% + 15px) } .neve-main > .single-post-container .nv-sidebar-wrap{ max-width: 30%; } .archive.woocommerce .neve-main > .shop-container .nv-shop.col{ max-width: 70%; } .archive.woocommerce .neve-main > .shop-container .nv-sidebar-wrap{ max-width: 30%; } .single-product .neve-main > .shop-container .nv-shop.col{ max-width: 100%; } .single-product .alignfull > [class*="__inner-container"], .single-product .alignwide > [class*="__inner-container"]{ max-width:1770px } .single-product .container-fluid .alignfull > [class*="__inner-container"], .single-product .alignwide > [class*="__inner-container"]{ max-width:calc(100% + 15px) } .single-product .neve-main > .shop-container .nv-sidebar-wrap{ max-width: 0%; 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	<li class="menu-item menu-item-type-post_type menu-item-object-page menu-item-2064"><div class="wrap"><a href="https://sdthkj.com/%e6%96%b0%e9%97%bb%e4%b8%ad%e5%bf%83/%e8%a1%8c%e4%b8%9a%e5%8a%a8%e6%80%81/">行业动态</a></div></li>
</ul>
</li>
<li class="menu-item menu-item-type-post_type menu-item-object-page menu-item-964"><div class="wrap"><a href="https://sdthkj.com/%e5%ba%94%e7%94%a8%e6%a1%88%e4%be%8b/">应用案例</a></div></li>
<li class="menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-2087"><div class="wrap"><a href="https://sdthkj.com/%e8%a7%86%e9%a2%91%e4%b8%ad%e5%bf%83/"><span class="menu-item-title-wrap dd-title">视频中心</span></a><button tabindex="0" type="button" class="caret-wrap navbar-toggle 13 dropdown-open" style="margin-left:5px;"  aria-label="Toggle 视频中心"><span class="caret"><svg fill="currentColor" aria-label="下拉菜单" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><path d="M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z"/></svg></span></button></div>
<ul class="sub-menu dropdown-open">
	<li class="menu-item menu-item-type-post_type menu-item-object-page menu-item-3002"><div class="wrap"><a href="https://sdthkj.com/%e6%96%b0%e9%97%bb%e8%a7%86%e9%a2%91/">新闻视频</a></div></li>
	<li class="menu-item menu-item-type-post_type menu-item-object-page menu-item-3001"><div class="wrap"><a href="https://sdthkj.com/%e4%ba%a7%e5%93%81%e8%a7%86%e9%a2%91/">产品视频</a></div></li>
</ul>
</li>
<li class="menu-item menu-item-type-post_type menu-item-object-page menu-item-4406"><div class="wrap"><a href="https://sdthkj.com/%e8%b5%84%e6%96%99%e4%b8%8b%e8%bd%bd/">资料下载</a></div></li>
</ul>	</div>
</div>

	</div>

</div>					</div>
	</div>
</div>
<div class="header-menu-sidebar-overlay hfg-ov hfg-pe" onclick="if('undefined' !== typeof toggleAriaClick ) { toggleAriaClick() }"></div>
</div>
	</header>

	<style>.nav-ul li:focus-within .wrap.active + .sub-menu { opacity: 1; visibility: visible; }.nav-ul li.neve-mega-menu:focus-within .wrap.active + .sub-menu { display: grid; }.nav-ul li > .wrap { display: flex; align-items: center; position: relative; padding: 0 4px; }.nav-ul:not(.menu-mobile):not(.neve-mega-menu) > li > .wrap > a { padding-top: 1px }</style><style>.header-menu-sidebar .nav-ul li .wrap { padding: 0 4px; }.header-menu-sidebar .nav-ul li .wrap a { flex-grow: 1; display: flex; }.header-menu-sidebar .nav-ul li .wrap a .dd-title { width: var(--wrapdropdownwidth); }.header-menu-sidebar .nav-ul li .wrap button { border: 0; z-index: 1; background: 0; }.header-menu-sidebar .nav-ul li:not([class*=block]):not(.menu-item-has-children) > .wrap > a { padding-right: calc(1em + (18px*2)); text-wrap: wrap; white-space: normal;}.header-menu-sidebar .nav-ul li.menu-item-has-children:not([class*=block]) > .wrap > a { margin-right: calc(-1em - (18px*2)); padding-right: 46px;}</style>

	
	<main id="content" class="neve-main">


<style>
/* ==================== 1. 页面标题样式 ==================== */
.section-title-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 40px 20px;
    position: relative;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
    position: relative;
}

.section-title h1 {
    font-size: 3.5rem;
    font-weight: 700;
    background: linear-gradient(90deg, #0066cc, #00a8ff);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 15px;
    letter-spacing: 2px;
    font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
}

.section-title p {
    font-size: 1.2rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
    font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, #0066cc, #00a8ff);
    border-radius: 2px;
}

@media (max-width: 768px) {
    .section-title h1 {
        font-size: 2.5rem;
    }
}

/* ==================== 2. 顶部菜单栏全屏宽度 ==================== */
.site-header,
#header,
.hfg-header,
.header--row,
.header--row-inner,
.neve-main > .navbar-area {
    width: 100vw !important;
    max-width: 100vw !important;
    margin-left: calc(-50vw + 50%) !important;
    margin-right: calc(-50vw + 50%) !important;
    left: 50% !important;
    right: 50% !important;
    margin-left: -50vw !important;
    margin-right: -50vw !important;
    position: relative !important;
    padding-left: 0 !important;
    padding-right: 0 !important;
}

.header--row .container,
.header--row .container-fluid,
.header--row .row,
.site-header .container,
.site-header .container-fluid {
    max-width: 100% !important;
    width: 100% !important;
    padding-left: 20px !important;
    padding-right: 20px !important;
    margin: 0 auto !important;
    box-sizing: border-box;
}

@media (max-width: 768px) {
    .header--row .container,
    .site-header .container { 
        padding-left: 15px !important; 
        padding-right: 15px !important; 
    }
}

@media (max-width: 480px) {
    .header--row .container,
    .site-header .container { 
        padding-left: 10px !important; 
        padding-right: 10px !important; 
    }
}

/* ==================== 3. 页面主体容器 ==================== */
body { 
    background-color: #f5f7fa !important; 
    overflow-x: hidden; 
}

.products-fullwidth-container {
    width: 100vw;
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
    background: #f5f7fa;
    min-height: 100vh;
    position: relative;
    left: 50%; right: 50%;
    margin-left: -50vw; margin-right: -50vw;
    padding-top: 30px;
    padding-bottom: 60px;
}

/* 内容宽度占屏幕98%，居中显示 */
.products-inner-container {
    max-width: 98vw; /* 改为视口宽度的98% */
    margin: 0 auto; 
    padding: 0 1%; /* 左右各1%的间距，确保总宽度为98% */
    box-sizing: border-box;
}

@media (max-width: 1200px) {
    .products-inner-container {
        max-width: 98vw;
        padding: 0 1%;
    }
}

@media (max-width: 992px) {
    .products-inner-container {
        max-width: 98vw;
        padding: 0 1%;
    }
}

@media (max-width: 768px) {
    .products-inner-container {
        max-width: 98vw;
        padding: 0 1%;
    }
}

@media (max-width: 480px) {
    .products-inner-container {
        max-width: 98vw;
        padding: 0 1%;
    }
}

.nv-page-title-wrap,
.container .row .col-12,
.nv-content-wrap .container { display: none !important; }
.site, .site-content, .content, .entry-content,
.wrapper, .container, .container-fluid {
    max-width: 100% !important; 
    width: 100% !important;
    margin: 0 !important; 
    padding: 0 20px !important; 
    box-sizing: border-box !important;
}

/* ==================== 4. 精美产品中心 UI ==================== */
.products-container { 
    display:flex; 
    gap: 30px; /* 增加间距 */
    margin: 30px 0; 
    min-height:calc(100vh - 1000px); 
}

/* 左侧分类样式 */
.category-sidebar { 
    flex:0 0 280px; /* 稍微缩小宽度 */
    background:#fff; 
    border-radius:12px; /* 增加圆角 */
    box-shadow:0 4px 20px rgba(0,0,0,0.1); /* 增加阴影 */
    overflow:hidden; 
    margin-top: 10px;
}
.category-header { 
    background:linear-gradient(135deg,#1e5799,#207cca); 
    color:#fff; 
    padding:18px 24px; /* 增加内边距 */
    font-size:18px; 
    font-weight:bold; 
    display:flex; 
    align-items:center; 
    cursor: pointer;
    border-bottom: 2px solid rgba(255,255,255,0.1);
}
.category-header:hover {
    background:linear-gradient(135deg,#1a4d8c,#1c6db8);
}
.category-header i { 
    margin-right:12px; 
    font-size:20px; 
}
.category-list { 
    padding:10px 0;
}
.category-item > a { 
    display:flex; 
    justify-content:space-between; 
    align-items:center; 
    padding:12px 20px; /* 增加内边距 */
    color:#333; 
    text-decoration:none; 
    transition:all .3s; 
    border-bottom:1px solid #f0f0f0; 
    font-size:14px; 
    cursor: pointer;
}
.category-item > a:hover { 
    background:#f0f7ff; 
    color:#1e5799; 
    padding-left: 25px; /* 悬停时增加左侧内边距 */
}
.category-item.active > a { 
    background:#e6f2ff; 
    color:#1e5799; 
    font-weight:bold; 
    border-left: 4px solid #1e5799; /* 添加左侧边框 */
}
.sub-category { 
    display:none; 
    background:#f9f9f9; 
    padding:6px 0;
}
.category-item.active .sub-category { 
    display:block; 
}
.sub-category a { 
    display:block; 
    padding:8px 20px 8px 40px; /* 增加缩进 */
    color:#666; 
    text-decoration:none; 
    transition:all .3s; 
    font-size:13px; 
    border-bottom:1px solid #f0f0f0; 
    cursor: pointer;
}
.sub-category a:hover, .sub-category a.active { 
    background:#e6f2ff; 
    color:#1e5799; 
    padding-left: 45px; /* 悬停时增加左侧内边距 */
}
.toggle-icon { 
    transition:transform .3s; 
    font-size:12px; 
    color: #888;
}
.category-item.active .toggle-icon { 
    transform:rotate(180deg); 
    color: #1e5799;
}

/* 右侧主内容区域 */
.product-main { 
    flex:1; 
    background:#fff; 
    border-radius:12px; /* 增加圆角 */
    box-shadow:0 4px 20px rgba(0,0,0,0.1); /* 增加阴影 */
    overflow:hidden; 
    margin-top: 10px;
}
.products-stats { 
    display:flex; 
    justify-content:space-between; 
    align-items:center; 
    padding:16px 32px; /* 增加内边距 */
    background:linear-gradient(135deg,#f8f9fa,#e9ecef); 
    border-bottom:2px solid #eee; 
}
.products-count { 
    font-size:15px; 
    color:#666; 
    font-weight: 500;
}
.products-count strong { 
    color:#1e5799; 
    font-size: 18px;
}

/* 分页信息样式 */
.pagination-info {
    font-size: 14px;
    color: #555;
    background: #edf2f7;
    padding: 6px 16px;
    border-radius: 6px;
    border-left: 4px solid #1e5799;
    font-weight: 500;
}

/* 2行4列产品网格 */
#product-grid { 
    display:grid; 
    grid-template-columns:repeat(4,1fr); 
    gap:24px; /* 增加间距 */
    padding:30px; /* 增加内边距 */
    min-height: 400px;
}
.product-card { 
    background:#fff; 
    border-radius:12px; /* 增加圆角 */
    overflow:hidden; 
    box-shadow:0 4px 16px rgba(0,0,0,0.08); /* 增加阴影 */
    transition:all .4s; 
    border:1px solid #eee; 
    cursor:pointer; 
    display:flex; 
    flex-direction:column; 
    height:100%; 
}
.product-card:hover { 
    transform:translateY(-6px);
    box-shadow:0 8px 25px rgba(0,0,0,0.15); 
}
.product-img { 
    height:180px; /* 增加高度 */
    background:linear-gradient(135deg,#f8f9fa,#e9ecef); 
    display:flex; 
    align-items:center; 
    justify-content:center; 
    overflow:hidden; 
    position:relative; 
}
/* 修改：产品图片在框内不裁切 */
.product-img img { 
    max-width: 100%; /* 最大宽度不超过容器 */
    max-height: 100%; /* 最大高度不超过容器 */
    width: auto; /* 宽度自适应 */
    height: auto; /* 高度自适应 */
    object-fit: contain !important; /* 确保图片完整显示，不被裁切 */
    transition:transform .6s; 
}
.product-card:hover .product-img img { 
    transform:scale(1.08);
}
.product-info { 
    padding:16px; /* 增加内边距 */
    flex-grow:1; 
    text-align:center; 
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.product-title { 
    font-size:15px; /* 修改：从16px改为15px，缩小一号 */
    font-weight:600; 
    color:#333; 
    line-height:1.4;
    display:-webkit-box; 
    -webkit-line-clamp:2; 
    -webkit-box-orient:vertical; 
    overflow:hidden; 
    margin-bottom:8px; 
}

/* 优化分页样式 */
.pagination-container {
    padding: 30px;
    border-top: 2px solid #eee;
    background: linear-gradient(to bottom, #fafbfc, #f5f7fa);
}

.pagination-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

.pagination { 
    display:flex; 
    justify-content:center; 
    align-items:center; 
    flex-wrap: wrap;
    gap: 10px;
}
.pagination-controls {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 15px;
    justify-content: center;
    flex-wrap: wrap;
}
/* 修改：缩小分页按钮尺寸 */
.pagination button { 
    padding:8px 16px; /* 减小按钮内边距 */
    margin:0;
    background:linear-gradient(to bottom, #fff, #f8f9fa); 
    border:1px solid #ddd; 
    border-radius:8px; /* 增加圆角 */
    cursor:pointer; 
    transition:all .3s; 
    font-size: 13px; /* 减小字体 */
    font-weight: 500;
    min-width: 90px; /* 减小最小宽度 */
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}
.pagination button:hover { 
    background:linear-gradient(135deg,#1e5799,#207cca); 
    color:#fff; 
    border-color: #1e5799;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(30, 87, 153, 0.2);
}
.pagination button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: #f5f5f5;
}
.pagination button:disabled:hover {
    background: #f5f5f5;
    color: inherit;
    transform: none;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}
.page-numbers { 
    display:flex; 
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px;
    margin: 15px 0;
}
/* 修改：缩小页码按钮尺寸 */
.page-number { 
    width:38px; /* 减小宽度 */
    height:38px; /* 减小高度 */
    display:flex; 
    align-items:center; 
    justify-content:center; 
    border-radius:8px; /* 增加圆角 */
    cursor:pointer; 
    transition:all .3s; 
    font-size: 14px; /* 减小字体 */
    font-weight: 500;
    background: linear-gradient(to bottom, #fff, #f8f9fa);
    border: 1px solid #e1e5e9;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}
.page-number:hover:not(.active) { 
    background:linear-gradient(to bottom, #f0f7ff, #e6f2ff); 
    border-color: #cce0ff;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(30, 87, 153, 0.15);
}
.page-number.active { 
    background:linear-gradient(135deg,#1e5799,#207cca); 
    color:#fff; 
    font-weight: 600;
    border-color: #1e5799;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(30, 87, 153, 0.25);
}

/* 页码信息 */
.page-info {
    text-align: center;
    margin-top: 15px;
    font-size: 14px;
    color: #718096;
    font-weight: 500;
}
.page-info span {
    color: #1e5799;
    font-weight: 600;
    margin: 0 5px;
}

/* 加载动画 */
.loading {
    display: inline-block;
    width: 24px;
    height: 24px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #1e5799;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-right: 12px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ==================== 5. 底部黑色背景完美全屏 ==================== */
.site-footer,
.footer--row,
.footer--row-inner,
.hfg_footer,
.footer-top,
.footer-bottom {
    width: 100vw !important;
    max-width: 100vw !important;
    margin-left: calc(-50vw + 50%) !important;
    margin-right: calc(-50vw + 50%) !important;
    left: 50% !important;
    right: 50% !important;
    margin-left: -50vw !important;
    margin-right: -50vw !important;
    position: relative !important;
    background: #1a1a1a !important;
    color: #ccc !important;
}
.site-footer .container,
.site-footer .container-fluid,
.footer--row .container,
.footer--row .row {
    max-width: 98vw !important; /* 保持一致，占屏幕98% */
    width: 98vw !important;
    padding-left: 1% !important; /* 左右各1%的间距 */
    padding-right: 1% !important;
    margin: 0 auto !important;
    box-sizing: border-box;
}
.site-footer a { color: #888 !important; }
.site-footer a:hover { color: #fff !important; }

/* 移动端底部间距 */
@media (max-width: 768px) {
    .site-footer .container,
    .footer--row .container { 
        max-width: 98vw !important;
        width: 98vw !important;
        padding-left: 1% !important; 
        padding-right: 1% !important; 
    }
}
@media (max-width: 480px) {
    .site-footer .container,
    .footer--row .container { 
        max-width: 98vw !important;
        width: 98vw !important;
        padding-left: 1% !important; 
        padding-right: 1% !important; 
    }
}

/* 响应式网格 */
@media (max-width: 1600px) {
    .products-inner-container {
        max-width: 98vw;
        padding: 0 1%;
    }
}
@media (max-width: 1400px) { 
    #product-grid { grid-template-columns:repeat(4,1fr); } 
    .products-inner-container {
        max-width: 98vw;
        padding: 0 1%;
    }
}
@media (max-width: 1200px) { 
    #product-grid { grid-template-columns:repeat(3,1fr); } 
    .products-inner-container {
        max-width: 98vw;
        padding: 0 1%;
    }
    .category-sidebar {
        flex: 0 0 260px;
    }
    /* 中等屏幕按钮稍微调小 */
    .pagination button {
        padding: 7px 14px;
        min-width: 85px;
        font-size: 12px;
    }
    .page-number {
        width: 36px;
        height: 36px;
        font-size: 13px;
    }
}
@media (max-width: 992px) { 
    .products-container { 
        flex-direction:column; 
        gap: 20px;
    } 
    .category-sidebar { 
        flex:none; 
        width:100%; 
        margin-bottom:20px;
    } 
    #product-grid { 
        grid-template-columns:repeat(2,1fr); 
        gap: 20px;
        padding: 25px;
    }
    .products-inner-container {
        max-width: 98vw;
        padding: 0 1%;
    }
}
@media (max-width: 768px) { 
    #product-grid { 
        grid-template-columns:1fr; 
        gap: 18px;
        padding: 20px;
    } 
    .products-stats { 
        flex-direction:column; 
        gap:12px;
        text-align:center; 
        padding: 20px;
    }
    .pagination-container {
        padding: 20px;
    }
    .pagination {
        flex-direction: column;
        gap: 15px;
    }
    .pagination-controls {
        flex-direction: column;
        gap: 10px;
    }
    .page-numbers {
        margin: 10px 0;
        gap: 4px;
    }
    .page-number {
        width: 36px;
        height: 36px;
        font-size: 13px;
    }
    .pagination button {
        min-width: 80px;
        padding: 8px 16px;
        font-size: 13px;
    }
}
@media (max-width: 480px) { 
    .product-img { height:160px; } 
    #product-grid { gap:16px; padding:16px; } 
    .products-inner-container {
        max-width: 98vw;
        padding: 0 1%;
    }
    .pagination button {
        min-width: 70px;
        padding: 6px 12px;
        font-size: 12px;
    }
    .page-number {
        width: 34px;
        height: 34px;
        font-size: 12px;
    }
}
</style>

<div class="products-fullwidth-container">
    <div class="products-inner-container">
        
        <!-- ==================== 新增：页面标题区域 ==================== -->
        <div class="section-title-container">
            <div class="section-title">
                <h1>产品中心</h1>
                <p>世界级智能化采矿装备引领者</p>
            </div>
        </div>
        
        <div class="products-container">

            <!-- 左侧分类 -->
            <div class="category-sidebar">
                <div class="category-header" id="all-products-btn">
                    <i class="fas fa-th-large"></i>
                    全部产品
                </div>
                <div class="category-list">
                                                <div class="category-item" data-category-id="28">
                                <a href="javascript:void(0);" class="parent-cat" 
                                   data-category-id="28"
                                   data-category-name="智能高效掘进技术与装备">
                                    <span class="category-name">智能高效掘进技术与装备</span>
                                                                    </a>
                                                            </div>
                                                        <div class="category-item" data-category-id="34">
                                <a href="javascript:void(0);" class="parent-cat" 
                                   data-category-id="34"
                                   data-category-name="煤矿动力灾害防治技术与装备">
                                    <span class="category-name">煤矿动力灾害防治技术与装备</span>
                                                                    </a>
                                                            </div>
                                                        <div class="category-item" data-category-id="37">
                                <a href="javascript:void(0);" class="parent-cat" 
                                   data-category-id="37"
                                   data-category-name="煤矿智能高效电气控制系统">
                                    <span class="category-name">煤矿智能高效电气控制系统</span>
                                                                    </a>
                                                            </div>
                                                        <div class="category-item" data-category-id="36">
                                <a href="javascript:void(0);" class="parent-cat" 
                                   data-category-id="36"
                                   data-category-name="煤矿机器人">
                                    <span class="category-name">煤矿机器人</span>
                                                                    </a>
                                                            </div>
                                                        <div class="category-item" data-category-id="33">
                                <a href="javascript:void(0);" class="parent-cat" 
                                   data-category-id="33"
                                   data-category-name="煤矿混凝土施工技术与装备">
                                    <span class="category-name">煤矿混凝土施工技术与装备</span>
                                                                    </a>
                                                            </div>
                                                        <div class="category-item" data-category-id="35">
                                <a href="javascript:void(0);" class="parent-cat" 
                                   data-category-id="35"
                                   data-category-name="综掘工作面除尘系统">
                                    <span class="category-name">综掘工作面除尘系统</span>
                                                                    </a>
                                                            </div>
                                            </div>
            </div>

            <!-- 右侧主体 -->
            <div class="product-main">
                <div class="products-stats">
                    <div class="products-count">共 <strong id="total-products">61</strong> 个产品</div>
                    <div id="pagination-info" class="pagination-info">
                        当前显示: <span id="current-category">全部产品</span>
                    </div>
                </div>

                <div id="product-grid" class="product-grid">
                                                <div class="product-card" onclick="location.href='https://sdthkj.com/product/%e6%99%ba%e8%83%bd%e9%ab%98%e6%95%88%e6%8e%98%e8%bf%9b%e6%96%b9%e6%a1%88/'">
                                <div class="product-img">
                                                                            <img data-src="https://sdthkj.com/wp-content/uploads/2025/12/62fdf2dc0985b-300x60.png" alt="智能高效掘进方案" src="data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==" class="lazyload" style="--smush-placeholder-width: 300px; --smush-placeholder-aspect-ratio: 300/60;">
                                                                    </div>
                                <div class="product-info">
                                    <div class="product-title">智能高效掘进方案</div>
                                </div>
                            </div>
                                                    <div class="product-card" onclick="location.href='https://sdthkj.com/product/%e5%a4%a9%e6%b2%b3%e7%a7%91%e6%8a%80ebz%e7%b3%bb%e5%88%97%e6%8e%98%e9%94%9a%e6%9c%ba/'">
                                <div class="product-img">
                                                                            <img data-src="https://sdthkj.com/wp-content/uploads/2025/12/二、EBZ-系列掘锚机（一）后置式掘锚机-300x150.png" alt="EBZ系列掘锚机" src="data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==" class="lazyload" style="--smush-placeholder-width: 300px; --smush-placeholder-aspect-ratio: 300/150;">
                                                                    </div>
                                <div class="product-info">
                                    <div class="product-title">EBZ系列掘锚机</div>
                                </div>
                            </div>
                                                    <div class="product-card" onclick="location.href='https://sdthkj.com/product/%e6%99%ba%e8%83%bd%e6%8e%98%e8%bf%9b%e7%b3%bb%e7%bb%9f/'">
                                <div class="product-img">
                                                                            <img data-src="https://sdthkj.com/wp-content/uploads/2025/12/智能控制系统-300x124.png" alt="智能掘进系统" src="data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==" class="lazyload" style="--smush-placeholder-width: 300px; --smush-placeholder-aspect-ratio: 300/124;">
                                                                    </div>
                                <div class="product-info">
                                    <div class="product-title">智能掘进系统</div>
                                </div>
                            </div>
                                                    <div class="product-card" onclick="location.href='https://sdthkj.com/product/%e7%85%a4%e7%9f%bf%e4%ba%ba%e5%91%98%e5%ae%89%e5%85%a8%e6%8e%a5%e8%bf%91%e7%b3%bb%e7%bb%9f%ef%bc%88%e7%94%b5%e5%ad%90%e5%9b%b4%e6%a0%8f%ef%bc%89/'">
                                <div class="product-img">
                                                                            <img data-src="https://sdthkj.com/wp-content/uploads/2025/12/三、煤矿人员安全接近系统电子围栏-300x151.jpg" alt="煤矿人员安全接近系统（电子围栏）" src="data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==" class="lazyload" style="--smush-placeholder-width: 300px; --smush-placeholder-aspect-ratio: 300/151;">
                                                                    </div>
                                <div class="product-info">
                                    <div class="product-title">煤矿人员安全接近系统（电子围栏）</div>
                                </div>
                            </div>
                                                    <div class="product-card" onclick="location.href='https://sdthkj.com/product/%e5%b8%a6%e5%bc%8f%e8%be%93%e9%80%81%e6%9c%ba%e7%94%a8%e8%87%aa%e7%a7%bb%e6%9c%ba%e5%b0%be/'">
                                <div class="product-img">
                                                                            <img data-src="https://sdthkj.com/wp-content/uploads/2025/12/五、带式输送机用自移机尾-300x84.png" alt="带式输送机用自移机尾" src="data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==" class="lazyload" style="--smush-placeholder-width: 300px; --smush-placeholder-aspect-ratio: 300/84;">
                                                                    </div>
                                <div class="product-info">
                                    <div class="product-title">带式输送机用自移机尾</div>
                                </div>
                            </div>
                                                    <div class="product-card" onclick="location.href='https://sdthkj.com/product/%e7%9f%bf%e7%94%a8%e5%8f%8c%e8%87%82%e6%b6%b2%e5%8e%8b%e9%94%9a%e6%9d%86%e9%92%bb%e8%bd%a6/'">
                                <div class="product-img">
                                                                            <img data-src="https://sdthkj.com/wp-content/uploads/2025/12/四、煤矿用液压锚杆钻车（二）双臂液压锚杆钻车（2）-300x135.png" alt="矿用双臂液压锚杆钻车" src="data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==" class="lazyload" style="--smush-placeholder-width: 300px; --smush-placeholder-aspect-ratio: 300/135;">
                                                                    </div>
                                <div class="product-info">
                                    <div class="product-title">矿用双臂液压锚杆钻车</div>
                                </div>
                            </div>
                                                    <div class="product-card" onclick="location.href='https://sdthkj.com/product/%e5%8d%95%e8%87%82%e6%b6%b2%e5%8e%8b%e9%94%9a%e6%9d%86%e9%92%bb%e8%bd%a6-%e7%9f%bf%e7%94%a8%e8%bd%a8%e9%81%93%e6%a2%81%e8%be%85%e5%8a%a9%e5%ae%89%e8%a3%85%e8%bd%a6/'">
                                <div class="product-img">
                                                                            <img data-src="https://sdthkj.com/wp-content/uploads/2025/12/单臂液压锚杆钻车-1-300x168.webp" alt="单臂液压锚杆钻车 / 矿用轨道梁辅助安装车" src="data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==" class="lazyload" style="--smush-placeholder-width: 300px; --smush-placeholder-aspect-ratio: 300/168;">
                                                                    </div>
                                <div class="product-info">
                                    <div class="product-title">单臂液压锚杆钻车 / 矿用轨道梁辅助安装车</div>
                                </div>
                            </div>
                                                    <div class="product-card" onclick="location.href='https://sdthkj.com/product/%e7%85%a4%e7%9f%bf%e7%94%a8%e9%94%9a%e6%9d%86%e8%bd%ac%e8%bd%bd%e6%9c%ba%e7%bb%84/'">
                                <div class="product-img">
                                                                            <img data-src="https://sdthkj.com/wp-content/uploads/2025/12/六、煤矿用锚杆转载机组-1-300x180.png" alt="煤矿用锚杆转载机组" src="data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==" class="lazyload" style="--smush-placeholder-width: 300px; --smush-placeholder-aspect-ratio: 300/180;">
                                                                    </div>
                                <div class="product-info">
                                    <div class="product-title">煤矿用锚杆转载机组</div>
                                </div>
                            </div>
                                        </div>

                <!-- 优化的智能分页 -->
                <div class="pagination-container">
                    <div class="pagination-wrapper">
                        <div class="pagination-controls">
                            <button id="prevBtn" disabled>上一页</button>
                            <div id="page-numbers" class="page-numbers">
                                <div class="page-number active">1</div>
                            </div>
                            <button id="nextBtn">下一页</button>
                        </div>
                        <div class="page-info">
                            第 <span id="current-page">1</span> 页 / 共 <span id="total-pages">8</span> 页
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>

<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.0.0/css/all.min.css">

<script>
// ======================================================
// 全局状态管理
// ======================================================
const PaginationState = {
    currentCategoryId: 0,
    currentPage: 1,
    totalPages: 8,
    totalProducts: 61,
    isLoading: false,
    currentCategoryName: '全部产品',
    ajaxUrl: 'https://sdthkj.com/wp-admin/admin-ajax.php',
    nonce: '1c992e6136',
    pageId: 2109,
    sortOrder: 'ASC',
    sortBy: 'date'
};

// ======================================================
// 初始化 - 使用事件委托绑定所有交互
// ======================================================
function initPaginationSystem() {
    console.log('初始化产品中心分页系统...');
    
    // 使用事件委托绑定所有点击事件
    document.addEventListener('click', function(event) {
        const target = event.target;
        
        // 1. 全部产品按钮
        if (target.closest('#all-products-btn')) {
            console.log('点击全部产品按钮');
            handleAllProductsClick();
            return;
        }
        
        // 2. 分类点击
        if (target.closest('.parent-cat')) {
            const catElement = target.closest('.parent-cat');
            console.log('点击分类:', catElement.dataset.categoryName || catElement.textContent);
            event.preventDefault();
            event.stopPropagation();
            handleCategoryClick(catElement);
            return;
        }
        
        // 3. 子分类点击
        if (target.closest('.child-cat')) {
            const childElement = target.closest('.child-cat');
            console.log('点击子分类:', childElement.dataset.categoryName || childElement.textContent);
            event.preventDefault();
            event.stopPropagation();
            handleChildCategoryClick(childElement);
            return;
        }
        
        // 4. 上一页按钮
        if (target.closest('#prevBtn') || target.id === 'prevBtn') {
            console.log('点击上一页按钮');
            handlePrevPageClick();
            return;
        }
        
        // 5. 下一页按钮
        if (target.closest('#nextBtn') || target.id === 'nextBtn') {
            console.log('点击下一页按钮');
            handleNextPageClick();
            return;
        }
        
        // 6. 页码按钮
        if (target.closest('.page-number') && !target.classList.contains('disabled')) {
            const pageElement = target.closest('.page-number');
            const pageNum = parseInt(pageElement.textContent);
            if (!isNaN(pageNum) && pageNum !== PaginationState.currentPage) {
                console.log('点击页码:', pageNum);
                handlePageNumberClick(pageNum);
            }
            return;
        }
    });
    
    // 初始更新分页显示
    updatePaginationUI();
    console.log('分页系统初始化完成');
}

// ======================================================
// 事件处理函数
// ======================================================
function handleAllProductsClick() {
    if (PaginationState.isLoading) return;
    
    PaginationState.currentCategoryId = 0;
    PaginationState.currentPage = 1;
    PaginationState.currentCategoryName = '全部产品';
    
    // 更新UI
    document.getElementById('current-category').textContent = '全部产品';
    document.querySelectorAll('.category-item').forEach(item => {
        item.classList.remove('active');
    });
    
    loadProducts();
}

function handleCategoryClick(element) {
    if (PaginationState.isLoading) return;
    
    const categoryId = element.dataset.categoryId;
    const categoryName = element.dataset.categoryName || element.querySelector('.category-name').textContent;
    
    // 如果点击的是静态分类（没有ID）
    if (!categoryId) {
        handleStaticCategoryClick(element);
        return;
    }
    
    PaginationState.currentCategoryId = parseInt(categoryId);
    PaginationState.currentPage = 1;
    PaginationState.currentCategoryName = categoryName;
    
    // 更新UI
    updateCategoryActiveState(element.closest('.category-item'));
    document.getElementById('current-category').textContent = categoryName;
    
    // 展开/收起子分类
    const categoryItem = element.closest('.category-item');
    if (categoryItem.querySelector('.sub-category')) {
        categoryItem.classList.toggle('active');
    }
    
    loadProducts();
}

function handleStaticCategoryClick(element) {
    if (PaginationState.isLoading) return;
    
    const categoryName = element.dataset.categoryName || element.querySelector('.category-name').textContent;
    
    PaginationState.currentCategoryId = 0;
    PaginationState.currentPage = 1;
    PaginationState.currentCategoryName = categoryName;
    
    // 更新UI
    updateCategoryActiveState(element.closest('.category-item'));
    document.getElementById('current-category').textContent = categoryName;
    
    loadProductsByTermName(categoryName);
}

function handleChildCategoryClick(element) {
    if (PaginationState.isLoading) return;
    
    const categoryId = parseInt(element.dataset.categoryId);
    const categoryName = element.dataset.categoryName || element.textContent;
    
    PaginationState.currentCategoryId = categoryId;
    PaginationState.currentPage = 1;
    PaginationState.currentCategoryName = categoryName;
    
    // 更新UI
    updateCategoryActiveState(element.closest('.category-item'));
    document.getElementById('current-category').textContent = categoryName;
    
    loadProducts();
}

function handlePrevPageClick() {
    if (PaginationState.currentPage > 1 && !PaginationState.isLoading) {
        console.log('跳转到上一页:', PaginationState.currentPage - 1);
        goToPage(PaginationState.currentPage - 1);
    }
}

function handleNextPageClick() {
    if (PaginationState.currentPage < PaginationState.totalPages && !PaginationState.isLoading) {
        console.log('跳转到下一页:', PaginationState.currentPage + 1);
        goToPage(PaginationState.currentPage + 1);
    }
}

function handlePageNumberClick(pageNum) {
    if (!PaginationState.isLoading && pageNum >= 1 && pageNum <= PaginationState.totalPages) {
        console.log('跳转到页码:', pageNum);
        goToPage(pageNum);
    }
}

// ======================================================
// 核心功能函数
// ======================================================
function goToPage(page) {
    if (page < 1 || page > PaginationState.totalPages || page === PaginationState.currentPage || PaginationState.isLoading) {
        console.log('跳转条件不满足，取消跳转');
        return;
    }
    
    PaginationState.currentPage = page;
    console.log('更新当前页为:', PaginationState.currentPage);
    
    // 根据当前状态加载相应的产品
    if (PaginationState.currentCategoryId === 0) {
        if (document.querySelector('.static-cat.active')) {
            const categoryName = PaginationState.currentCategoryName;
            console.log('加载静态分类:', categoryName, '页码:', page);
            loadProductsByTermName(categoryName);
        } else {
            console.log('加载全部产品，页码:', page);
            loadProducts();
        }
    } else {
        console.log('加载分类产品，分类ID:', PaginationState.currentCategoryId, '页码:', page);
        loadProducts();
    }
    
    // 滚动到产品区域顶部
    scrollToProductArea();
}

function loadProducts() {
    if (PaginationState.isLoading) {
        console.log('正在加载中，跳过请求');
        return;
    }
    
    console.log('开始加载产品，分类ID:', PaginationState.currentCategoryId, '页码:', PaginationState.currentPage);
    PaginationState.isLoading = true;
    showLoadingState(true);
    updatePaginationUI();
    
    const params = new URLSearchParams({
        action: 'neve_get_products_by_category',
        cat_id: PaginationState.currentCategoryId,
        page: PaginationState.currentPage,
        per_page: 8,
        page_id: PaginationState.pageId,
        sort_by: PaginationState.sortBy,
        sort_order: PaginationState.sortOrder,
        nonce: PaginationState.nonce
    });
    
    fetch(PaginationState.ajaxUrl + '?' + params)
        .then(response => {
            console.log('收到响应，状态:', response.status);
            return response.json();
        })
        .then(data => {
            console.log('响应数据:', data);
            if (data.success) {
                renderProducts(data.data.products);
                PaginationState.totalProducts = data.data.total;
                PaginationState.totalPages = data.data.total_pages;
                
                // 更新总数显示
                const totalProductsEl = document.getElementById('total-products');
                if (totalProductsEl) {
                    totalProductsEl.textContent = data.data.total;
                }
                
                updatePaginationUI();
            } else {
                console.error('加载失败:', data.message);
                showErrorState(data.message || '加载失败');
            }
        })
        .catch(error => {
            console.error('加载产品时出错:', error);
            showErrorState('网络错误，请稍后重试');
        })
        .finally(() => {
            PaginationState.isLoading = false;
            showLoadingState(false);
        });
}

function loadProductsByTermName(termName) {
    if (PaginationState.isLoading) {
        console.log('正在加载中，跳过请求');
        return;
    }
    
    console.log('按分类名称加载产品:', termName, '页码:', PaginationState.currentPage);
    PaginationState.isLoading = true;
    showLoadingState(true);
    updatePaginationUI();
    
    const params = new URLSearchParams({
        action: 'neve_search_products_by_term',
        term_name: termName,
        page: PaginationState.currentPage,
        per_page: 8,
        page_id: PaginationState.pageId,
        sort_by: PaginationState.sortBy,
        sort_order: PaginationState.sortOrder,
        nonce: PaginationState.nonce
    });
    
    fetch(PaginationState.ajaxUrl + '?' + params)
        .then(response => response.json())
        .then(data => {
            if (data.success) {
                renderProducts(data.data.products);
                PaginationState.totalProducts = data.data.total;
                PaginationState.totalPages = data.data.total_pages;
                
                // 更新总数显示
                const totalProductsEl = document.getElementById('total-products');
                if (totalProductsEl) {
                    totalProductsEl.textContent = data.data.total;
                }
                
                updatePaginationUI();
            } else {
                showErrorState(data.message || '加载失败');
            }
        })
        .catch(error => {
            console.error('加载产品时出错:', error);
            showErrorState('网络错误，请稍后重试');
        })
        .finally(() => {
            PaginationState.isLoading = false;
            showLoadingState(false);
        });
}

// ======================================================
// UI更新函数
// ======================================================
function updateCategoryActiveState(element) {
    document.querySelectorAll('.category-item').forEach(item => {
        item.classList.remove('active');
    });
    
    if (element) {
        element.classList.add('active');
    }
}

function updatePaginationUI() {
    console.log('更新分页UI，当前页:', PaginationState.currentPage, '总页数:', PaginationState.totalPages, '加载状态:', PaginationState.isLoading);
    
    const prevBtn = document.getElementById('prevBtn');
    const nextBtn = document.getElementById('nextBtn');
    const pageNumbers = document.getElementById('page-numbers');
    const currentPageEl = document.getElementById('current-page');
    const totalPagesEl = document.getElementById('total-pages');
    
    // 更新按钮状态
    if (prevBtn) {
        prevBtn.disabled = PaginationState.currentPage <= 1 || PaginationState.isLoading;
    }
    
    if (nextBtn) {
        nextBtn.disabled = PaginationState.currentPage >= PaginationState.totalPages || PaginationState.isLoading;
    }
    
    // 更新页码信息
    if (currentPageEl) {
        currentPageEl.textContent = PaginationState.currentPage;
    }
    if (totalPagesEl) {
        totalPagesEl.textContent = PaginationState.totalPages;
    }
    
    // 生成页码按钮（使用事件委托，无需单独绑定）
    if (pageNumbers) {
        pageNumbers.innerHTML = '';
        
        if (PaginationState.totalPages <= 1) {
            pageNumbers.innerHTML = '<div class="page-number active">1</div>';
            return;
        }
        
        // 显示页码范围
        let startPage = Math.max(1, PaginationState.currentPage - 3);
        let endPage = Math.min(PaginationState.totalPages, startPage + 6);
        
        if (endPage - startPage < 6) {
            startPage = Math.max(1, endPage - 6);
        }
        
        // 添加上一页省略号
        if (startPage > 1) {
            addPageNumberButton(1, pageNumbers);
            
            if (startPage > 2) {
                addEllipsis(pageNumbers);
            }
        }
        
        // 添加主要页码
        for (let i = startPage; i <= endPage; i++) {
            addPageNumberButton(i, pageNumbers);
        }
        
        // 添加下一页省略号
        if (endPage < PaginationState.totalPages) {
            if (endPage < PaginationState.totalPages - 1) {
                addEllipsis(pageNumbers);
            }
            
            addPageNumberButton(PaginationState.totalPages, pageNumbers);
        }
    }
}

function addPageNumberButton(pageNum, container) {
    const pageBtn = document.createElement('div');
    pageBtn.className = 'page-number';
    if (pageNum === PaginationState.currentPage) {
        pageBtn.classList.add('active');
    }
    pageBtn.textContent = pageNum;
    pageBtn.dataset.page = pageNum;
    container.appendChild(pageBtn);
}

function addEllipsis(container) {
    const ellipsis = document.createElement('div');
    ellipsis.className = 'page-number disabled';
    ellipsis.textContent = '...';
    ellipsis.style.cursor = 'default';
    ellipsis.style.pointerEvents = 'none';
    ellipsis.style.opacity = '0.7';
    container.appendChild(ellipsis);
}

function showLoadingState(show) {
    const grid = document.getElementById('product-grid');
    if (grid) {
        if (show) {
            grid.innerHTML = '<div style="grid-column:1/-1;text-align:center;padding:100px;color:#666;background:#f9f9f9;border-radius:12px;"><div class="loading" style="margin:0 auto 20px;"></div><p style="font-size:16px;margin:0;">正在加载产品...</p></div>';
        }
    }
    
    // 更新按钮状态
    const prevBtn = document.getElementById('prevBtn');
    const nextBtn = document.getElementById('nextBtn');
    if (prevBtn) prevBtn.disabled = show || PaginationState.currentPage <= 1;
    if (nextBtn) nextBtn.disabled = show || PaginationState.currentPage >= PaginationState.totalPages;
}

function renderProducts(products) {
    const grid = document.getElementById('product-grid');
    if (!grid) return;
    
    if (!products || products.length === 0) {
        grid.innerHTML = '<div style="grid-column:1/-1;text-align:center;padding:100px;color:#666;background:#f9f9f9;border-radius:12px;"><i class="fas fa-box-open" style="font-size:48px;color:#a0aec0;margin-bottom:20px;"></i><p style="font-size:16px;margin:0 0 10px;">暂无产品</p><p style="font-size:14px;color:#999;margin:0;">请尝试选择其他分类</p></div>';
        return;
    }
    
    grid.innerHTML = '';
    
    products.forEach(product => {
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        card.className = 'product-card';
        card.onclick = () => {
            if (product.permalink) {
                window.location.href = product.permalink;
            }
        };
        
        const imgHtml = product.thumbnail 
            ? `<img src="${product.thumbnail}" alt="${product.title || '产品图片'}" loading="lazy">`
            : `<div style="display:flex;align-items:center;justify-content:center;height:100%;color:#999;"><i class="fas fa-cube" style="font-size:42px;"></i></div>`;
        
        card.innerHTML = `
            <div class="product-img">
                ${imgHtml}
            </div>
            <div class="product-info">
                <div class="product-title">${product.title || '未命名产品'}</div>
            </div>
        `;
        
        grid.appendChild(card);
    });
}

function showErrorState(message) {
    const grid = document.getElementById('product-grid');
    if (!grid) return;
    
    grid.innerHTML = `<div style="grid-column:1/-1;text-align:center;padding:100px;color:#666;background:#f9f9f9;border-radius:12px;"><i class="fas fa-exclamation-triangle" style="font-size:48px;color:#e53e3e;margin-bottom:20px;"></i><p style="font-size:16px;margin:0 0 10px;">${message}</p><button onclick="window.location.reload()" style="margin-top:20px;padding:10px 20px;background:linear-gradient(135deg,#1e5799,#207cca);color:white;border:none;border-radius:8px;cursor:pointer;font-weight:500;">重新加载</button></div>`;
}

function scrollToProductArea() {
    const productMain = document.querySelector('.product-main');
    if (productMain) {
        setTimeout(() => {
            window.scrollTo({
                top: productMain.offsetTop - 100,
                behavior: 'smooth'
            });
        }, 100);
    }
}

// ======================================================
// 页面初始化
// ======================================================
document.addEventListener('DOMContentLoaded', function() {
    console.log('DOM加载完成，初始化产品中心分页系统...');
    initPaginationSystem();
});

// 暴露API用于调试
window.PaginationSystem = {
    state: PaginationState,
    goToPage: goToPage,
    loadProducts: loadProducts,
    updatePaginationUI: updatePaginationUI
};
</script>


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