/* ============================================================
 *  Destoon PC 前台公共主题样式
 *  前缀：pc-
 *  引入：<link rel="stylesheet" href="{DT_SKIN}css/pc-common.css">
 *  —————————————————————————————————————————
 *  ★ 全站换主题色，只改本节 :root 里的 --pc-primary 系列即可
 * ============================================================ */

/* ========== 1. 主题变量 ========== */
:root{
    /* ---------- 主色（换主题只改这一组） ---------- */
    --pc-primary:        #479936;
    --pc-primary-dark:   #3a7d2c;
    --pc-primary-light:  #5cb84a;
    --pc-primary-bg:     rgba(71,153,54,.10);
    --pc-primary-bg-light: rgba(71,153,54,.05);
    --pc-primary-shadow: 0 4px 14px rgba(71,153,54,.30);
    --pc-primary-gradient: linear-gradient(135deg,#479936 0%,#5cb84a 100%);

    /* ---------- 功能色 ---------- */
    --pc-danger:  #e74c3c;
    --pc-warning: #f39c12;
    --pc-success: #27ae60;
    --pc-info:    #3498db;

    /* ---------- 中性色 ---------- */
    --pc-bg:      #f6f8fa;
    --pc-card:    #ffffff;
    --pc-text:    #1a1a1a;
    --pc-text-sub:#666666;
    --pc-text-light:#999999;
    --pc-text-dis:#bbbbbb;
    --pc-border:  #e8ebee;
    --pc-border-input:#d9dde2;

    /* ---------- 圆角 ---------- */
    --pc-radius-sm:6px;
    --pc-radius:   10px;
    --pc-radius-lg:16px;
    --pc-radius-xl:24px;

    /* ---------- 阴影 ---------- */
    --pc-shadow-sm:0 1px 2px rgba(0,0,0,.04);
    --pc-shadow:   0 2px 8px rgba(0,0,0,.06);
    --pc-shadow-lg:0 8px 24px rgba(0,0,0,.10);

    /* ---------- 布局 ---------- */
    --pc-width:    1340px;
    --pc-gap:      20px;
    --pc-header-h: 72px;
}

/* ========== 2. 基础重置 ========== */
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
    margin:0;background:var(--pc-bg);color:var(--pc-text);
    font:14px/1.7 -apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
    -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--pc-primary)}
img{max-width:100%;border:0;vertical-align:middle}
ul,ol{list-style:none;margin:0;padding:0}
h1,h2,h3,h4,h5,h6{margin:0;font-weight:600;color:var(--pc-text)}
p{margin:0}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;outline:none}
::selection{background:var(--pc-primary);color:#fff}
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-thumb{background:#c8cdd3;border-radius:4px}
::-webkit-scrollbar-thumb:hover{background:var(--pc-primary)}

/* ========== 3. 布局容器 ========== */
.pc-container{width:100%;max-width:var(--pc-width);margin:0 auto;padding:0 20px}
.pc-main{padding:24px 0 48px}

/* 两栏：主内容 + 侧边栏 */
.pc-layout{display:flex;gap:20px;align-items:flex-start}
.pc-layout-main{flex:1;min-width:0}
.pc-layout-side{width:300px;flex-shrink:0}

/* 栅格 */
.pc-grid{display:grid;gap:var(--pc-gap)}
.pc-grid-2{grid-template-columns:repeat(2,1fr)}
.pc-grid-3{grid-template-columns:repeat(3,1fr)}
.pc-grid-4{grid-template-columns:repeat(4,1fr)}

/* ========== 4. 头部导航 ========== */
.pc-header{
    position:sticky;top:0;z-index:100;background:#fff;
    box-shadow:0 1px 0 var(--pc-border);
    transition:box-shadow .25s ease;
}
.pc-header.is-scrolled{box-shadow:0 4px 16px rgba(0,0,0,.06)}
.pc-header-inner{display:flex;align-items:center;gap:32px;height:var(--pc-header-h)}

/* Logo */
.pc-logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.pc-logo img{height:40px;display:block}
.pc-logo-text{font-size:20px;font-weight:700;color:var(--pc-primary);letter-spacing:.5px}

/* 主导航 */
.pc-nav{display:flex;align-items:center;gap:4px;flex:1}
.pc-nav>li{position:relative}
.pc-nav>li>a{
    display:block;padding:0 18px;height:var(--pc-header-h);
    line-height:var(--pc-header-h);font-size:15px;font-weight:500;
    color:var(--pc-text);position:relative;transition:color .2s;
}
.pc-nav>li>a:hover,.pc-nav>li.active>a{color:var(--pc-primary)}
.pc-nav>li>a::after{
    content:'';position:absolute;left:18px;right:18px;bottom:16px;
    height:2px;background:var(--pc-primary);border-radius:2px;
    transform:scaleX(0);transition:transform .25s ease;
}
.pc-nav>li>a:hover::after,.pc-nav>li.active>a::after{transform:scaleX(1)}

/* 二级下拉 */
.pc-nav-sub{
    position:absolute;top:100%;left:0;min-width:170px;background:#fff;
    border-radius:var(--pc-radius);box-shadow:var(--pc-shadow-lg);
    padding:8px 0;opacity:0;visibility:hidden;transform:translateY(8px);
    transition:all .25s ease;
}
.pc-nav>li:hover .pc-nav-sub{opacity:1;visibility:visible;transform:translateY(0)}
.pc-nav-sub a{display:block;padding:9px 20px;font-size:14px;color:var(--pc-text-sub);white-space:nowrap}
.pc-nav-sub a:hover{background:var(--pc-primary-bg-light);color:var(--pc-primary)}

/* 头部工具区 */
.pc-header-tools{display:flex;align-items:center;gap:12px;flex-shrink:0}
.pc-header-search{
    display:flex;align-items:center;height:40px;padding:0 6px 0 16px;
    background:var(--pc-bg);border:1px solid transparent;border-radius:var(--pc-radius-xl);
    transition:all .2s;
}
.pc-header-search:focus-within{
    background:#fff;border-color:var(--pc-primary);
    box-shadow:0 0 0 3px var(--pc-primary-bg-light);
}
.pc-header-search input{border:none;background:transparent;width:160px;height:100%;font-size:14px}
.pc-header-search button{
    width:32px;height:32px;border:none;border-radius:50%;cursor:pointer;
    background:var(--pc-primary);color:#fff;
    display:flex;align-items:center;justify-content:center;
    transition:background .2s;
}
.pc-header-search button:hover{background:var(--pc-primary-dark)}

.pc-header-user{display:flex;align-items:center;gap:8px;font-size:14px}
.pc-header-user a{color:var(--pc-text-sub)}
.pc-header-user a:hover{color:var(--pc-primary)}

/* 移动端汉堡 */
.pc-nav-toggle{display:none;width:40px;height:40px;border:none;background:transparent;cursor:pointer;position:relative}
.pc-nav-toggle span,.pc-nav-toggle span::before,.pc-nav-toggle span::after{
    display:block;width:22px;height:2px;background:var(--pc-text);
    position:absolute;left:9px;border-radius:2px;transition:all .25s;
}
.pc-nav-toggle span{top:50%;margin-top:-1px}
.pc-nav-toggle span::before{content:'';top:-7px}
.pc-nav-toggle span::after{content:'';top:7px}

/* ========== 5. 按钮 ========== */
.pc-btn{
    display:inline-flex;align-items:center;justify-content:center;gap:6px;
    min-height:40px;padding:0 22px;border-radius:var(--pc-radius-sm);
    font-size:14px;font-weight:500;border:1px solid transparent;
    cursor:pointer;text-decoration:none;white-space:nowrap;
    transition:all .2s ease;line-height:1.5;
}
.pc-btn:active{transform:translateY(1px)}
.pc-btn-primary{background:var(--pc-primary-gradient);color:#fff !important;box-shadow:var(--pc-primary-shadow)}
.pc-btn-primary:hover{box-shadow:0 6px 20px rgba(71,153,54,.4);transform:translateY(-1px)}
.pc-btn-outline{background:#fff;color:var(--pc-primary) !important;border-color:var(--pc-primary)}
.pc-btn-outline:hover{background:var(--pc-primary);color:#fff !important}
.pc-btn-ghost{background:transparent;color:var(--pc-text-sub) !important}
.pc-btn-ghost:hover{color:var(--pc-primary) !important;background:var(--pc-primary-bg-light)}
.pc-btn-sm{min-height:32px;padding:0 14px;font-size:13px}
.pc-btn-lg{min-height:48px;padding:0 32px;font-size:15px}
.pc-btn-block{display:flex;width:100%}
.pc-btn-group{display:inline-flex;gap:8px;flex-wrap:wrap}

/* ========== 6. 卡片 ========== */
.pc-card{background:var(--pc-card);border-radius:var(--pc-radius);box-shadow:var(--pc-shadow);overflow:hidden;transition:box-shadow .25s ease}
.pc-card:hover{box-shadow:var(--pc-shadow-lg)}
.pc-card-head{display:flex;align-items:center;justify-content:space-between;padding:18px 24px;border-bottom:1px solid var(--pc-border)}
.pc-card-title{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:600}
.pc-card-title::before{content:'';width:4px;height:18px;border-radius:2px;background:var(--pc-primary)}
.pc-card-more{font-size:13px;color:var(--pc-text-light)}
.pc-card-more:hover{color:var(--pc-primary)}
.pc-card-body{padding:24px}

/* ========== 7. 区块标题（首页通用） ========== */
.pc-section{padding:64px 0}
.pc-section-head{text-align:center;margin-bottom:44px}
.pc-section-title{font-size:30px;font-weight:700;margin-bottom:10px}
.pc-section-sub{font-size:15px;color:var(--pc-text-light)}

/* ========== 8. 首页 Hero ========== */
.pc-hero{
    position:relative;padding:80px 0;color:#fff;overflow:hidden;
    background:var(--pc-primary-gradient);
}
.pc-hero::after{
    content:'';position:absolute;inset:0;pointer-events:none;
    background:radial-gradient(circle at 80% 30%,rgba(255,255,255,.18),transparent 60%);
}
.pc-hero-inner{position:relative;z-index:1;max-width:720px}
.pc-hero-title{font-size:42px;font-weight:800;line-height:1.25;margin-bottom:16px;color:#fff}
.pc-hero-desc{font-size:17px;line-height:1.9;color:rgba(255,255,255,.9);margin-bottom:28px}
.pc-hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.pc-hero-actions .pc-btn-primary{
    background:#fff;color:var(--pc-primary) !important;box-shadow:0 6px 20px rgba(0,0,0,.12);
}
.pc-hero-actions .pc-btn-outline{background:transparent;color:#fff !important;border-color:rgba(255,255,255,.6)}
.pc-hero-actions .pc-btn-outline:hover{background:#fff;color:var(--pc-primary) !important;border-color:#fff}

/* 首页功能格子 */
.pc-feature{
    background:#fff;padding:30px 26px;border-radius:var(--pc-radius);
    box-shadow:var(--pc-shadow);text-align:center;transition:all .3s;
}
.pc-feature:hover{transform:translateY(-6px);box-shadow:var(--pc-shadow-lg)}
.pc-feature-icon{
    width:60px;height:60px;margin:0 auto 18px;border-radius:var(--pc-radius);
    display:flex;align-items:center;justify-content:center;
    background:var(--pc-primary-bg);color:var(--pc-primary);font-size:26px;
}
.pc-feature-title{font-size:17px;font-weight:600;margin-bottom:8px}
.pc-feature-desc{font-size:13px;color:var(--pc-text-sub);line-height:1.8}

/* ========== 9. 内页：面包屑 ========== */
.pc-crumb{
    display:flex;align-items:center;flex-wrap:wrap;gap:6px;
    font-size:13px;color:var(--pc-text-light);margin-bottom:20px;
}
.pc-crumb a{color:var(--pc-text-sub)}
.pc-crumb a:hover{color:var(--pc-primary)}
.pc-crumb .pc-crumb-sep{color:var(--pc-text-dis)}
.pc-crumb .pc-crumb-cur{color:var(--pc-text)}

/* ========== 10. 内页：文章 / 列表 ========== */
.pc-article-title{font-size:26px;font-weight:700;line-height:1.4;margin-bottom:14px}
.pc-article-meta{
    display:flex;flex-wrap:wrap;gap:18px;font-size:13px;
    color:var(--pc-text-light);padding-bottom:18px;
    border-bottom:1px solid var(--pc-border);margin-bottom:24px;
}
.pc-article-content{font-size:15px;line-height:2;color:var(--pc-text-sub)}
.pc-article-content img{border-radius:var(--pc-radius);margin:14px 0}
.pc-article-content h2,.pc-article-content h3{margin:24px 0 12px;color:var(--pc-text)}
.pc-article-content p{margin:0 0 14px}

/* 新闻/文章列表 */
.pc-list{display:flex;flex-direction:column}
.pc-list-item{
    display:flex;gap:18px;padding:20px 0;
    border-bottom:1px solid var(--pc-border);transition:all .2s;
}
.pc-list-item:last-child{border-bottom:none}
.pc-list-thumb{
    width:160px;height:110px;flex-shrink:0;border-radius:var(--pc-radius-sm);
    overflow:hidden;background:var(--pc-bg);
}
.pc-list-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.pc-list-item:hover .pc-list-thumb img{transform:scale(1.06)}
.pc-list-body{flex:1;min-width:0;display:flex;flex-direction:column;justify-content:space-between}
.pc-list-title{font-size:16px;font-weight:600;line-height:1.5;margin-bottom:8px;color:var(--pc-text)}
.pc-list-title:hover{color:var(--pc-primary)}
.pc-list-desc{
    font-size:13px;color:var(--pc-text-light);line-height:1.7;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.pc-list-meta{display:flex;gap:16px;font-size:12px;color:var(--pc-text-light);margin-top:10px}

/* ========== 11. 侧边栏通用块 ========== */
.pc-side-block{background:#fff;border-radius:var(--pc-radius);box-shadow:var(--pc-shadow);margin-bottom:20px;overflow:hidden}
.pc-side-head{padding:16px 20px;border-bottom:1px solid var(--pc-border);font-size:15px;font-weight:600;display:flex;align-items:center;gap:10px}
.pc-side-head::before{content:'';width:3px;height:16px;border-radius:2px;background:var(--pc-primary)}
.pc-side-body{padding:14px 20px}
.pc-side-list li{padding:11px 0;border-bottom:1px dashed var(--pc-border);font-size:14px;line-height:1.6}
.pc-side-list li:last-child{border-bottom:none}
.pc-side-list a{color:var(--pc-text-sub);display:block}
.pc-side-list a:hover{color:var(--pc-primary)}
.pc-side-list .pc-side-num{
    display:inline-block;width:18px;height:18px;line-height:18px;text-align:center;
    border-radius:4px;background:var(--pc-bg);color:var(--pc-text-light);
    font-size:11px;font-weight:600;margin-right:8px;
}
.pc-side-list li:nth-child(1) .pc-side-num{background:var(--pc-primary);color:#fff}
.pc-side-list li:nth-child(2) .pc-side-num{background:var(--pc-primary-light);color:#fff}
.pc-side-list li:nth-child(3) .pc-side-num{background:var(--pc-primary-bg);color:var(--pc-primary)}

/* ========== 12. 分页 ========== */
/* ========== 分页 ========== */
.pc-pages,
.pages{
	display:flex;
	justify-content:center;
	align-items:center;
	flex-wrap:wrap;
	gap:6px;
	padding:28px 0 16px;
	text-align:center;
	font-size:13px;
	color:var(--pc-text-sub);
	clear:both;
}

.pc-pages>a,
.pc-pages>span,
.pc-pages>b,
.pc-pages>em,
.pc-pages>strong,
.pages>a,
.pages>span,
.pages>b,
.pages>em,
.pages>strong{
	display:inline-flex;
	align-items:center;
	justify-content:center;
	min-width:36px;
	height:36px;
	padding:0 12px;
	margin:0;
	border-radius:var(--pc-radius-sm);
	background:#fff;
	border:1px solid var(--pc-border);
	font-size:13px;
	font-style:normal;
	font-weight:normal;
	color:var(--pc-text-sub);
	text-decoration:none;
	box-sizing:border-box;
	transition:all .2s;
	cursor:pointer;
}

.pc-pages>a:hover,
.pages>a:hover{
	border-color:var(--pc-primary);
	color:var(--pc-primary);
	background:var(--pc-primary-bg-light);
}

.pc-pages>b,
.pc-pages>strong,
.pc-pages>.on,
.pc-pages>.current,
.pages>b,
.pages>strong,
.pages>.on,
.pages>.current{
	background:var(--pc-primary);
	border-color:var(--pc-primary);
	color:#fff;
	font-weight:600;
}

.pc-pages input[type=hidden],
.pages input[type=hidden]{
	display:none;
}

.pc-pages .pages_inp,
.pages .pages_inp,
.pc-pages input[type=text],
.pages input[type=text]{
	width:52px;
	height:36px;
	padding:0 8px;
	margin:0 2px;
	border:1px solid var(--pc-border-input);
	border-radius:var(--pc-radius-sm);
	background:#fff;
	font-size:13px;
	text-align:center;
	color:var(--pc-text);
	box-sizing:border-box;
	outline:none;
	transition:all .2s;
}

.pc-pages .pages_inp:focus,
.pages .pages_inp:focus,
.pc-pages input[type=text]:focus,
.pages input[type=text]:focus{
	border-color:var(--pc-primary);
	box-shadow:0 0 0 3px var(--pc-primary-bg-light);
}

.pc-pages .pages_btn,
.pages .pages_btn,
.pc-pages input[type=button],
.pages input[type=button]{
	height:36px;
	padding:0 0;
	margin:0 2px;
	border:1px solid transparent;
	border-radius:var(--pc-radius-sm);
	background:var(--pc-primary-gradient);
	color:#fff;
	font-size:13px;
	font-weight:500;
	cursor:pointer;
	box-sizing:border-box;
	transition:all .2s;
}

.pc-pages .pages_btn:hover,
.pages .pages_btn:hover,
.pc-pages input[type=button]:hover,
.pages input[type=button]:hover{
	box-shadow:0 4px 14px rgba(71,153,54,.35);
}

.pc-pages cite,
.pages cite{
	display:inline-flex;
	align-items:center;
	height:36px;
	padding:0 10px;
	margin:0 2px;
	font-style:normal;
	font-size:12.5px;
	color:var(--pc-text-light);
	background:transparent;
	border:none;
}

.pc-pages .prev,
.pc-pages .next,
.pages .prev,
.pages .next{
	min-width:64px;
}

/* ========== 13. 表单 ========== */
.pc-input,.pc-select,.pc-textarea{
    width:100%;padding:10px 14px;border:1px solid var(--pc-border-input);
    border-radius:var(--pc-radius-sm);background:#fff;font-size:14px;
    color:var(--pc-text);transition:all .2s;
}
.pc-input:focus,.pc-select:focus,.pc-textarea:focus{
    border-color:var(--pc-primary);box-shadow:0 0 0 3px var(--pc-primary-bg-light);
}
.pc-input::placeholder,.pc-textarea::placeholder{color:var(--pc-text-dis)}
.pc-textarea{min-height:120px;resize:vertical;line-height:1.7}
.pc-select{min-width:160px;cursor:pointer;appearance:none;
    background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'><path d='M6 8L2 4h8z' fill='%23999'/></svg>");
    background-repeat:no-repeat;background-position:right 14px center;padding-right:36px;
}
.pc-form-row{display:flex;padding:14px 0;border-bottom:1px solid var(--pc-border);align-items:flex-start}
.pc-form-row:last-child{border-bottom:none}
.pc-form-label{
    width:130px;flex-shrink:0;text-align:right;padding:10px 16px 0 0;
    font-size:14px;color:var(--pc-text-sub);
}
.pc-form-label em{color:var(--pc-danger);font-style:normal;margin-right:4px}
.pc-form-content{flex:1;min-width:0}
.pc-form-tip{font-size:12px;color:var(--pc-text-light);margin-top:6px}

/* ========== 14. 标签 / 徽章 ========== */
.pc-tag{
    display:inline-block;padding:2px 12px;border-radius:12px;
    font-size:12px;line-height:1.8;white-space:nowrap;
    background:var(--pc-primary-bg);color:var(--pc-primary);
}
.pc-tag-gray{background:#f0f0f0;color:var(--pc-text-light)}
.pc-tag-success{background:rgba(39,174,96,.12);color:var(--pc-success)}
.pc-tag-warning{background:rgba(243,156,18,.15);color:var(--pc-warning)}
.pc-tag-danger{background:rgba(231,76,60,.12);color:var(--pc-danger)}
.pc-tag-info{background:rgba(52,152,219,.12);color:var(--pc-info)}

.pc-badge{
    display:inline-block;min-width:18px;height:18px;line-height:18px;
    padding:0 5px;background:var(--pc-danger);color:#fff;
    font-size:11px;font-weight:600;border-radius:9px;
    text-align:center;vertical-align:middle;font-style:normal;
}

/* ========== 15. Tabs 标签页 ========== */
.pc-tabs{
    display:flex;overflow-x:auto;background:#fff;
    border-bottom:1px solid var(--pc-border);padding:0 8px;
}
.pc-tabs a{
    padding:16px 22px;font-size:14px;color:var(--pc-text-sub);
    white-space:nowrap;position:relative;transition:color .2s;
}
.pc-tabs a:hover{color:var(--pc-primary)}
.pc-tabs a.on{color:var(--pc-primary);font-weight:600}
.pc-tabs a.on::after{
    content:'';position:absolute;left:22px;right:22px;bottom:-1px;
    height:2px;background:var(--pc-primary);border-radius:2px;
}

/* ========== 16. 页脚 ========== */
.pc-footer{background:#22262b;color:#a8b0b9;padding:52px 0 0;margin-top:40px;font-size:14px}
.pc-footer-main{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px}
.pc-footer-brand{font-size:18px;font-weight:700;color:#fff;margin-bottom:14px}
.pc-footer-desc{line-height:1.9;font-size:13px;color:#8f979f}
.pc-footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.pc-footer-list li{margin-bottom:10px;font-size:13px}
.pc-footer-list a{color:#8f979f;transition:color .2s}
.pc-footer-list a:hover{color:var(--pc-primary-light)}
.pc-footer-bottom{
    border-top:1px solid rgba(255,255,255,.08);
    padding:20px 0;font-size:13px;color:#7a828a;
    display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
}
.pc-footer-bottom a{color:#8f979f}
.pc-footer-bottom a:hover{color:var(--pc-primary-light)}

/* ========== 17. 空状态 / 提示条 ========== */
.pc-empty{padding:60px 20px;text-align:center;color:var(--pc-text-light)}
.pc-empty-icon{font-size:56px;line-height:1;margin-bottom:14px;color:#dde1e5;display:block}
.pc-empty-text{font-size:14px}

.pc-alert{
    display:flex;gap:10px;padding:14px 18px;border-radius:var(--pc-radius-sm);
    font-size:13px;line-height:1.7;margin-bottom:16px;
}
.pc-alert-info{background:rgba(52,152,219,.08);color:var(--pc-info);border-left:3px solid var(--pc-info)}
.pc-alert-success{background:rgba(39,174,96,.08);color:var(--pc-success);border-left:3px solid var(--pc-success)}
.pc-alert-warning{background:rgba(243,156,18,.10);color:var(--pc-warning);border-left:3px solid var(--pc-warning)}
.pc-alert-danger{background:rgba(231,76,60,.08);color:var(--pc-danger);border-left:3px solid var(--pc-danger)}
.pc-alert-primary{background:var(--pc-primary-bg-light);color:var(--pc-primary);border-left:3px solid var(--pc-primary)}

/* ========== 18. 工具类 ========== */
.pc-flex{display:flex;align-items:center}
.pc-flex-between{display:flex;align-items:center;justify-content:space-between}
.pc-flex-center{display:flex;align-items:center;justify-content:center}
.pc-flex-col{display:flex;flex-direction:column}
.pc-flex-1{flex:1;min-width:0}
.pc-gap-8{gap:8px}.pc-gap-12{gap:12px}.pc-gap-16{gap:16px}.pc-gap-24{gap:24px}

.pc-mt-0{margin-top:0 !important}.pc-mt-8{margin-top:8px !important}
.pc-mt-16{margin-top:16px !important}.pc-mt-24{margin-top:24px !important}
.pc-mb-0{margin-bottom:0 !important}.pc-mb-16{margin-bottom:16px !important}
.pc-mb-24{margin-bottom:24px !important}
.pc-py-40{padding-top:40px !important;padding-bottom:40px !important}
.pc-py-60{padding-top:60px !important;padding-bottom:60px !important}

.pc-text-center{text-align:center}
.pc-text-right{text-align:right}
.pc-text-primary{color:var(--pc-primary) !important}
.pc-text-danger{color:var(--pc-danger) !important}
.pc-text-success{color:var(--pc-success) !important}
.pc-text-light{color:var(--pc-text-light) !important}
.pc-text-sub{color:var(--pc-text-sub) !important}
.pc-text-bold{font-weight:600 !important}
.pc-text-lg{font-size:16px !important}

.pc-ellipsis{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pc-ellipsis-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pc-ellipsis-3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

.pc-shadow-hover:hover{box-shadow:var(--pc-shadow-lg);transform:translateY(-3px)}
.pc-transition{transition:all .25s ease}

/* ========== 19. 响应式 ========== */
@media (max-width:1024px){
    .pc-layout-side{width:260px}
    .pc-grid-4{grid-template-columns:repeat(2,1fr)}
    .pc-grid-3{grid-template-columns:repeat(2,1fr)}
    .pc-footer-main{grid-template-columns:1fr 1fr;gap:32px}
}

@media (max-width:768px){
    :root{--pc-header-h:60px}
    .pc-layout{flex-direction:column}
    .pc-layout-side{width:100%}
    .pc-grid-2,.pc-grid-3,.pc-grid-4{grid-template-columns:1fr}

    /* 头部折叠 */
    .pc-nav-toggle{display:block;margin-left:auto}
    .pc-nav{
        position:fixed;top:var(--pc-header-h);left:0;right:0;
        flex-direction:column;align-items:stretch;gap:0;
        background:#fff;box-shadow:0 8px 24px rgba(0,0,0,.08);
        padding:10px 0;max-height:0;overflow:hidden;transition:max-height .3s;
    }
    .pc-nav.open{max-height:80vh;overflow-y:auto}
    .pc-nav>li>a{height:auto;line-height:1.6;padding:12px 22px}
    .pc-nav>li>a::after{display:none}
    .pc-nav-sub{position:static;opacity:1;visibility:visible;transform:none;
        box-shadow:none;padding:0 0 0 20px}

    .pc-header-search input{width:110px}
    .pc-hero{padding:56px 0}
    .pc-hero-title{font-size:28px}
    .pc-hero-desc{font-size:15px}
    .pc-section{padding:40px 0}
    .pc-section-title{font-size:22px}

    .pc-list-item{flex-direction:column;gap:12px}
    .pc-list-thumb{width:100%;height:180px}

    .pc-form-label{width:90px;padding-right:10px}
    .pc-footer-main{grid-template-columns:1fr;gap:26px}
    .pc-card-body{padding:18px}
}

/* ========== AJAX 加载遮罩 ========== */
.pc-page-loading{
	position:absolute;
	top:0;left:0;right:0;bottom:0;
	display:flex;
	align-items:center;
	justify-content:center;
	background:rgba(255,255,255,.65);
	backdrop-filter:blur(2px);
	-webkit-backdrop-filter:blur(2px);
	z-index:10;
	border-radius:inherit;
	animation:pcFadeIn .15s ease;
}
.pc-page-loading-inner{
	display:inline-flex;
	align-items:center;
	gap:10px;
	padding:12px 22px;
	background:#fff;
	border-radius:var(--pc-radius);
	box-shadow:0 8px 24px rgba(0,0,0,.12);
	font-size:13.5px;
	color:var(--pc-text-sub);
}
.pc-page-loading-spinner{
	display:inline-block;
	width:18px;height:18px;
	border:2px solid var(--pc-primary-bg);
	border-top-color:var(--pc-primary);
	border-radius:50%;
	animation:pcSpin .7s linear infinite;
	flex-shrink:0;
}
@keyframes pcSpin{to{transform:rotate(360deg)}}
@keyframes pcFadeIn{from{opacity:0}to{opacity:1}}


/* ===== tag/thumb-table.htm ===== */
.sell-related-grid {
    display: grid;
    gap: 14px;
    padding: 4px 0;
}

.sell-related-item {
    display: block;
    text-decoration: none;
    color: var(--sell-text);
    border-radius: 8px;
    overflow: hidden;
    transition: transform .25s, box-shadow .25s;
}

.sell-related-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 18px rgba(0, 0, 0, .1);
}

.sell-related-thumb {
    width: 100%;
    aspect-ratio: 1 / 1;
    border-radius: 8px;
    overflow: hidden;
    background: var(--sell-bg);
    border: 1px solid var(--sell-border);
    transition: border-color .2s;
}

.sell-related-item:hover .sell-related-thumb {
    border-color: rgba(71, 153, 54, .4);
}

.sell-related-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .35s ease;
}

.sell-related-item:hover .sell-related-thumb img {
    transform: scale(1.06);
}

.sell-related-title {
    font-size: 13px;
    line-height: 1.5;
    color: var(--sell-text-sub);
    margin-top: 8px;
    text-align: center;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    transition: color .2s;
    padding: 0 4px;
}

.sell-related-item:hover .sell-related-title {
    color: var(--sell-primary);
}

/* 响应式：屏幕变窄时列数自动减少 */
@media (max-width: 1024px) {
    .sell-related-grid {
        grid-template-columns: repeat(4, 1fr) !important;
    }
}
@media (max-width: 768px) {
    .sell-related-grid {
        grid-template-columns: repeat(3, 1fr) !important;
        gap: 10px;
    }
    .sell-related-title {
        font-size: 12px;
    }
}
@media (max-width: 480px) {
    .sell-related-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }
}

/* ============================================================
 * 通用侧栏列表项（sell / buy / exhibit 等共用）
 * 依赖 pc-common.css 的 --pc-* 变量
 * ============================================================ */

.sell-side-item{
    display:flex !important;
    align-items:flex-start !important;
    gap:10px;
    padding:10px 18px;
    text-decoration:none;
    border-bottom:1px dashed var(--pc-border);
    transition:background .2s;
    box-sizing:border-box;
    width:100%;
}
.sell-side-item:last-child{border-bottom:none}
.sell-side-item:hover{
    background:var(--pc-primary-bg-light);
}

.sell-side-item-index{
    flex:0 0 20px !important;
    width:20px;
    height:20px;
    border-radius:4px;
    background:var(--pc-bg);
    color:var(--pc-text-light);
    font-size:11px;
    font-weight:700;
    display:flex;
    align-items:center;
    justify-content:center;
    margin-top:1px;
    line-height:1;
}

.sell-side-item:nth-child(1) .sell-side-item-index{
    background:linear-gradient(135deg,#f39c12,#e67e22);
    color:#fff;
}
.sell-side-item:nth-child(2) .sell-side-item-index{
    background:linear-gradient(135deg,#bdc3c7,#95a5a6);
    color:#fff;
}
.sell-side-item:nth-child(3) .sell-side-item-index{
    background:linear-gradient(135deg,#e67e22,#d35400);
    color:#fff;
}

.sell-side-item-title{
    flex:1 !important;
    min-width:0;
    font-size:13px;
    color:var(--pc-text-sub);
    line-height:1.5;
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
    transition:color .2s;
    word-break:break-all;
}
.sell-side-item:hover .sell-side-item-title{
    color:var(--pc-primary);
}