/* =========================================================
   Chinyoo Red — 对标 UNI-T 红白体系
   主色 #DA2735 中国红 · Montserrat · 白底
   ========================================================= */

/* ===== Local Montserrat（可变字体,下载自 Google Fonts,免外网/免墙） ===== */
@font-face{font-family:'Montserrat';font-style:normal;font-weight:400;font-display:swap;src:url(../fonts/montserrat-latin.woff2) format('woff2')}
@font-face{font-family:'Montserrat';font-style:normal;font-weight:500;font-display:swap;src:url(../fonts/montserrat-latin.woff2) format('woff2')}
@font-face{font-family:'Montserrat';font-style:normal;font-weight:600;font-display:swap;src:url(../fonts/montserrat-latin.woff2) format('woff2')}
@font-face{font-family:'Montserrat';font-style:normal;font-weight:700;font-display:swap;src:url(../fonts/montserrat-latin.woff2) format('woff2')}
@font-face{font-family:'Montserrat';font-style:normal;font-weight:800;font-display:swap;src:url(../fonts/montserrat-latin.woff2) format('woff2')}

/* ===== Design tokens ===== */
:root{
  --primary:#DA2735;      /* UNI-T 中国红 */
  --primary-dark:#B01F2A; /* hover 加深 */
  --accent:#DA2735;       /* CTA = 主红 */
  --text:#191919;
  --muted:#666;
  --line:#E9ECF0;
  --bg:#F2F5F7;
  --green:#2E7D32;
  --footer:#232020;
  --radius:6px;
  --container:1200px;
  --font:'Montserrat',system-ui,Arial,sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{font-family:var(--font);color:var(--text);background:#fff;font-size:15px;line-height:1.5;font-weight:400}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
img{max-width:100%;height:auto;display:block}
button{font-family:inherit;cursor:pointer}
.container{max-width:var(--container);margin:0 auto;padding:0 20px}
.alt{background:var(--bg)}
/* Applications & Solutions 板块（浅灰底 + 深色标题 + 白色卡片浮出） */
.alt-dark{background:#F5F6F8}
.alt-dark .sec-title{color:#1c1c1c}
.alt-dark .sec-title em{color:var(--primary)}
.alt-dark .sec-sub{color:#6b7280}
.alt-dark .sol-card{background:#fff;padding:14px;border-radius:var(--radius);border:1px solid #eceef1;box-shadow:0 1px 4px rgba(0,0,0,.05)}
.alt-dark .sol-card h3{color:#1c1c1c}
.alt-dark .sol-card p{color:#555}
/* 品牌红模块（对标 RIGOL u-theme-yellow，用 UNI-T 主红做 CTA 收尾） */
.alt-accent{background:var(--primary)}
.alt-accent .sec-title{color:#fff}
.alt-accent .sec-title em{color:#FFD9DC}
.alt-accent .sec-sub{color:#FFE9EA}

/* ===== 顶部条（红） ===== */
.topbar{background:var(--primary);color:#fff;font-size:12px}
.topbar .container{display:flex;justify-content:flex-end;gap:18px;padding:6px 20px}
.topbar span{opacity:.95}

/* ===== Header（白底 sticky） ===== */
.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line)}
.hdr{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:12px 20px}
.logo{display:block;font-size:20px;font-weight:800;color:var(--primary);line-height:1;letter-spacing:.5px;white-space:nowrap}
.logo small{display:block;font-size:9px;color:var(--muted);letter-spacing:2px;font-weight:600;margin-top:3px}
header.site-header .logo__img{display:block;height:44px;width:auto} /* 特异性压过 WC 的 .woocommerce img{height:auto},防产品页 logo 放大 */
nav.main{display:flex;align-items:center;font-size:15px;font-weight:700;color:#333}
nav.main .main-menu{display:flex;gap:26px;list-style:none;margin:0;padding:0;align-items:center}
nav.main .main-menu>li{position:relative}
nav.main a{display:block;padding:6px 0;white-space:nowrap}
nav.main a:hover{color:var(--primary)}
/* Dropdown sub-menu (Products > categories) */
nav.main .sub-menu{display:none;position:absolute;top:100%;left:0;min-width:230px;background:#fff;box-shadow:0 8px 24px rgba(0,0,0,.12);border:1px solid var(--line);border-radius:var(--radius);padding:8px 0;list-style:none;margin:0;z-index:50}
nav.main .main-menu>li:hover>.sub-menu{display:block}
nav.main .sub-menu a{padding:9px 18px;font-weight:400}
nav.main .sub-menu a:hover{background:#f8f8f8;color:var(--primary)}
/* Products 超级下拉（对标 UNI-T mega menu：多列平铺全部分类） */
nav.main .main-menu>li.mega-products>.sub-menu{grid-template-columns:repeat(4,1fr);width:820px;padding:20px 22px 14px;gap:10px 20px}
nav.main .main-menu>li.mega-products:hover>.sub-menu{display:grid}
nav.main .main-menu>li.mega-products>.sub-menu>li>a{font-weight:600;color:#222;font-size:14px;padding:6px 0;border-bottom:1px solid var(--line);margin-bottom:6px}
nav.main .main-menu>li.mega-products>.sub-menu>li>a:hover{background:none;color:var(--primary)}
nav.main .main-menu>li.mega-products .sub-menu .sub-menu{display:block;position:static;box-shadow:none;border:none;background:none;padding:0 0 10px;min-width:0}
nav.main .main-menu>li.mega-products .sub-menu .sub-menu a{padding:5px 0;font-weight:400;font-size:13.5px;color:#555}
nav.main .main-menu>li.mega-products .sub-menu .sub-menu a:hover{background:none;color:var(--primary)}
/* Get a Quote 导航高亮 */
.main-menu .menu-get-a-quote>a{color:var(--primary);font-weight:700}
.hdr .cta{background:var(--primary);color:#fff;padding:10px 18px;border-radius:var(--radius);font-weight:700;font-size:14px;white-space:nowrap}
.hdr .cta:hover{background:var(--primary-dark)}
.hdr .search{color:var(--muted);cursor:pointer;background:none;border:none;font-size:18px}
.mobile-nav-toggle{display:none;background:none;border:none;width:32px;height:32px;position:relative}
.mobile-nav-toggle .hamburger,.mobile-nav-toggle .hamburger::before,.mobile-nav-toggle .hamburger::after{content:'';position:absolute;left:4px;width:24px;height:2px;background:#333;top:15px}
.mobile-nav-toggle .hamburger::before{top:-7px}
.mobile-nav-toggle .hamburger::after{top:7px}
.mobile-nav-panel{display:none;background:#fff;border-top:1px solid var(--line);padding:12px 20px}
.mobile-nav-panel.open{display:block}
.header-search{display:none;background:#fff;border-top:1px solid var(--line);padding:16px 0}
.header-search.open{display:block}
.header-search__form{display:flex;gap:10px;max-width:640px}
.header-search__form input[type="search"]{flex:1;border:1px solid var(--line);border-radius:var(--radius);padding:10px 14px;font-size:14px;font-weight:400;outline:none}
.header-search__form input[type="search"]:focus{border-color:var(--primary)}
.header-search__form button{background:var(--primary);color:#fff;border:none;border-radius:var(--radius);padding:0 20px;font-size:16px;cursor:pointer}
.header-search__form button:hover{background:var(--primary-dark)}

/* ===== Downloads ===== */
.download-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px;margin:20px 0 30px}
.download-card{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;display:flex;flex-direction:column}
.download-card__preview{display:block;aspect-ratio:4/3;background:#f4f4f6;position:relative;overflow:hidden}
.download-card__preview img{width:100%;height:100%;object-fit:cover}
.download-card__placeholder{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:13px;font-weight:400;text-align:center;padding:16px}
.download-card__info{padding:14px 16px;display:flex;flex-direction:column;gap:10px;flex:1}
.download-card__title{font-size:15px;font-weight:600;color:#222;line-height:1.4}
.download-card__ext{font-size:11px;font-weight:700;color:var(--primary);text-transform:uppercase;letter-spacing:.5px}
.download-card__actions{display:flex;gap:8px;margin-top:auto}
.download-card__actions .btn{font-size:13px;padding:8px 14px}
.filter-bar{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 16px}
.filter-bar .btn--sm{padding:7px 14px;font-size:13px;border-radius:var(--radius)}
.filter-bar .btn--outline{border:1px solid var(--line);color:#555;background:#fff}
.filter-bar .btn--outline:hover{border-color:var(--primary);color:var(--primary)}
.filter-bar .btn--primary{background:var(--primary);color:#fff;border:1px solid var(--primary)}
.mobile-nav-menu{display:flex;flex-direction:column;gap:12px;font-weight:600;list-style:none;margin:0;padding:0}
.mobile-nav-menu a{display:block;padding:8px 0;border-bottom:1px solid var(--line);color:#333}
.mobile-nav-menu a:hover{color:var(--primary)}
.mobile-nav-menu .sub-menu{display:block;position:static;box-shadow:none;border:none;background:none;padding:0 0 0 14px;min-width:0;list-style:none;margin:0}
.mobile-nav-menu .sub-menu .sub-menu{padding-left:14px}
.mobile-nav-menu .sub-menu a{font-weight:400;color:#555;font-size:14px;border-bottom:1px solid #f0f0f0}
.mobile-nav-menu .sub-menu a:hover{background:none;color:var(--primary)}
.mobile-nav-menu .sub-menu{list-style:none;margin:0;padding:0 0 0 16px}
.mobile-nav-menu .sub-menu a{font-weight:400;border-bottom:0;padding:7px 0;color:var(--muted)}

/* ===== Hero ===== */
/* 背景:工业仪器场景图(hero-gemini.jpg)。白色罩保持极淡(仅左侧文字区),图清晰可辨 */
.hero{background:linear-gradient(90deg,rgba(255,255,255,.42) 0%,rgba(255,255,255,.15) 45%,rgba(255,255,255,0) 72%),url(../images/hero-gemini.jpg) center/cover no-repeat;border-bottom:1px solid var(--line)}
.hero-in{display:block;min-height:520px;padding:70px 0}
.hero-in > div{max-width:660px}
.hero h1,.hero p{text-shadow:0 1px 2px rgba(255,255,255,.95),0 0 14px rgba(255,255,255,.8)}
.hero h1{font-size:60px;line-height:1.1;font-weight:700;color:var(--text);margin-bottom:16px}
.hero h1 em{font-style:normal;color:var(--primary)}
.hero p{font-size:17px;color:var(--muted);margin-bottom:26px;max-width:520px;font-weight:400}
.hero .btns{display:flex;gap:14px;flex-wrap:wrap}
.btn-accent{background:var(--primary);color:#fff;padding:14px 30px;border-radius:var(--radius);font-weight:600;font-size:16px;display:inline-block}
.btn-accent:hover{background:var(--primary-dark)}
.btn-ghost{border:2px solid #B7C2CE;color:var(--text);padding:12px 28px;border-radius:var(--radius);font-weight:600;display:inline-block}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary)}

/* ===== Section ===== */
section{padding:64px 0}
.sec-title{font-size:34px;font-weight:700;color:#191919;text-align:center;margin-bottom:36px}
.sec-title em{font-style:normal;color:var(--primary)}
.sec-sub{text-align:center;color:var(--muted);font-size:15px;margin:-26px 0 32px;font-weight:400}

/* ===== 分类网格（对标 UNI-T Product Categories：6 列圆形图 + 分类名） ===== */
.cat-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:24px}
.cat-card{text-align:center;display:block;transition:.2s}
.cat-card:hover{opacity:.9}
.cat-card__img{aspect-ratio:1/1;margin-bottom:14px;border-radius:50%;overflow:hidden;background:#f0f0f2;display:flex;align-items:center;justify-content:center}
.cat-card__img img{width:100%;height:100%;object-fit:contain;padding:10px}
.cat-card:hover .cat-card__img img{opacity:.7}
.cat-card h3{font-size:16px;color:#2c2c2c;font-weight:600;line-height:1.3em;margin:0}
.cat-card:hover h3{color:var(--primary)}
.cat-card.is-hidden{display:none}
/* View More / Close —— 对标 UNI-T 分类展开 */
.home-cateview,.home-cateclose{text-align:center;margin-top:22px}
.home-cate-toggle{background:none;border:none;font-size:16px;color:var(--primary);cursor:pointer;padding:8px 20px;font-family:inherit}
.home-cate-toggle:hover{text-decoration:underline}

/* ===== 产品卡（4列，对标 UNI-T + B2B 询盘按钮） ===== */
.prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.prod-card,.product-card{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;transition:.2s;display:flex;flex-direction:column}
.prod-card:hover,.product-card:hover{box-shadow:0 8px 24px rgba(218,39,53,.12);transform:translateY(-2px)}
.product-card__image{aspect-ratio:1/1;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#FBFCFD,#EEF1F5);overflow:hidden}
.product-card__image img{width:100%;height:100%;object-fit:contain;padding:10px}
.product-card__content{padding:14px 16px;display:flex;flex-direction:column;gap:6px;flex:1}
.product-card__title{font-size:16px;color:#191919;font-weight:600;line-height:1.3em}
.product-card__title a:hover{color:var(--primary)}
.product-card__model{font-size:13px;color:var(--muted);font-weight:400}
.product-card__highlight{font-size:12px;color:var(--primary)}
.product-card__actions{display:flex;gap:8px;margin-top:auto;padding-top:10px}
.btn{display:inline-flex;align-items:center;justify-content:center;text-align:center;border-radius:6px;font-weight:600;font-size:14px;line-height:1;transition:background .15s ease,color .15s ease,border-color .15s ease}
.btn--sm{flex:1;padding:11px 12px}
.btn--outline{border:1px solid var(--primary);color:var(--primary)}
.btn--outline:hover{background:var(--primary);color:#fff}
.btn--inquiry{background:var(--primary);color:#fff}
.btn--inquiry:hover{background:var(--primary-dark)}
.btn--lg{padding:14px 30px;font-size:16px}
.product-card__badge{position:absolute;top:10px;left:10px;background:var(--primary);color:#fff;font-size:11px;padding:3px 8px;border-radius:3px;z-index:2}
.product-card--has-badge{position:relative}

/* ===== New Products（2fr/3fr 横排） ===== */
.new-row{display:grid;grid-template-columns:2fr 3fr;gap:30px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.new-row .left h3{font-size:26px;color:#191919;font-weight:700;line-height:1.3em;margin-bottom:8px}
.new-row .left p{font-size:14px;color:var(--muted)}
.new-row .items{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.new-item{text-align:center;display:block}
.new-item .new-item__img{aspect-ratio:1/1;border-radius:var(--radius);overflow:hidden;background:linear-gradient(135deg,#FBFCFD,#EEF1F5);display:flex;align-items:center;justify-content:center}
.new-item .new-item__img img{width:100%;height:100%;object-fit:contain;padding:8px}
.new-item h5{font-size:14px;margin-top:10px;color:#333;font-weight:600}
.new-item:hover h5{color:var(--primary)}

/* ===== Solutions ===== */
.sol-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.sol-card{display:block;transition:.2s}
.sol-card:hover{opacity:.92}
.sol-card .sol-card__img{height:255px;margin-bottom:14px;border-radius:var(--radius);overflow:hidden;background:linear-gradient(135deg,#FBFCFD,#EEF1F5);display:flex;align-items:center;justify-content:center}
.sol-card .sol-card__img img{width:100%;height:100%;object-fit:cover}
.sol-card .sol-card__img b{color:#5b6472;font-weight:600}
.sol-card h3{font-size:18px;color:#2d2d2d;font-weight:600}
.sol-card h3:hover{color:var(--primary)}
.sol-card p{font-size:13px;color:var(--muted);margin-top:6px;line-height:1.5}
.sol-card .sol-card__img .sol-card__tiles{display:flex;height:100%;gap:2px;padding:10px}
.sol-card .sol-card__img .sol-card__tiles img{flex:1;min-width:0;height:100%;max-width:33.33%;object-fit:contain;padding:4px;width:auto}
.sol-page__more{text-align:center;margin:28px 0 6px}
.sol-page__more a{color:var(--primary);font-weight:600}

/* ===== News ===== */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.news-card{display:block}
.news-card .news-card__img{height:170px;margin-bottom:12px;border-radius:var(--radius);overflow:hidden;background:linear-gradient(135deg,#FBFCFD,#EEF1F5);display:flex;align-items:center;justify-content:center}
.news-card .news-card__img img{width:100%;height:100%;object-fit:cover}
.news-card h3{font-size:16px;font-weight:600;margin-bottom:6px;line-height:1.35}
.news-card h3:hover{color:var(--primary)}
.news-card p{font-size:13px;color:var(--muted)}
.news-card time{font-size:12px;color:var(--muted);display:block;margin-bottom:4px}

/* ===== 卡片图片 hover 放大（对标 UNI-T 首页：容器裁切 + 图片 scale(1.15) + 过渡） ===== */
.cat-card__img img,
.product-card__image img,
.new-item .new-item__img img,
.news-card .news-card__img img{transition:transform .35s ease}
.cat-card:hover .cat-card__img img,
.product-card:hover .product-card__image img,
.new-item:hover .new-item__img img,
.news-card:hover .news-card__img img{transform:scale(1.15)}

/* ===== 占位图 ===== */
.ph{display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#F4F6F9,#E4E9EF);color:#8a93a0;font-size:13px;letter-spacing:.5px;text-align:center;border-radius:var(--radius)}
.ph b{display:block;font-size:14px;color:#5b6472;font-weight:600}

/* ===== Footer（深色 #232020，5列） ===== */
.site-footer{background:var(--footer);color:#B7C3CF}
.foot{display:grid;grid-template-columns:repeat(5,1fr);gap:30px;padding:56px 0 36px}
.foot .foot-col h4{color:#fff;font-size:15px;margin-bottom:14px;font-weight:600}
.foot .foot-col h4 a{color:#fff}
.foot .foot-col ul{list-style:none}
.foot .foot-col li{margin-bottom:8px;font-size:13px}
.foot .foot-col li strong{color:#d7dfe6;font-weight:600}
.foot a:hover{color:#ff6b76}
.foot .foot-col .social{display:flex;gap:10px;margin-top:18px}
.foot .social a{width:32px;height:32px;border:1px solid #3a424b;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:.2s;flex-shrink:0;color:#fff}
.foot .social a:hover{border-color:var(--primary);color:#ff6b76;background:#2a2a2a}
.foot .social svg{width:16px;height:16px;fill:currentColor}
.copy{border-top:1px solid #333b44;padding:16px 0;font-size:12px;text-align:center}
.copy .container{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.copy p{margin:4px 0}
.copy a{color:#8fa0ad}
.copy a:hover{color:#ff6b76}

/* ===== 询盘表单 ===== */
.inquiry-form{max-width:760px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.inquiry-form__row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:14px}
.inquiry-form__row>.inquiry-form__field:nth-child(odd):last-child{grid-column:1/-1}
.inquiry-form__field{margin-bottom:14px}
.inquiry-form label{display:block;font-size:13px;font-weight:600;color:#333;margin-bottom:6px}
.inquiry-form input,.inquiry-form textarea,.inquiry-form select{width:100%;padding:10px 12px;border:1px solid #D5DBE2;border-radius:4px;font-size:14px;font-family:inherit;background:#fff;color:var(--text)}
.inquiry-form input:focus,.inquiry-form textarea:focus,.inquiry-form select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 2px rgba(218,39,53,.1)}
.inquiry-form textarea{min-height:110px;resize:vertical}
.inquiry-form__feedback{padding:10px 12px;border-radius:4px;font-size:14px;margin-bottom:12px;display:none;text-align:center}
.inquiry-form__feedback--success{display:block;background:#e8f5e9;color:#1b5e20}
.inquiry-form__feedback--error{display:block;background:#fdecea;color:#b71c1c}

/* ===== 独立 Quote 页(/quote/) ===== */
.quote-grid{display:grid;grid-template-columns:360px 1fr;gap:40px;padding:36px 0;align-items:start}
.quote-form-wrap .inquiry-form{max-width:100%;margin:0}
.quote-aside{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px}
.quote-aside__title{font-size:20px;font-weight:700;color:#191919;margin-bottom:10px}
.quote-aside__title::after{content:"";display:block;width:44px;height:3px;background:var(--primary);border-radius:2px;margin-top:8px}
.quote-aside__intro{color:var(--muted);font-size:14px;line-height:1.6;margin-bottom:18px}
.quote-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:22px}
.quote-stat{background:var(--bg);border-radius:var(--radius);padding:12px 8px;text-align:center}
.quote-stat b{display:block;font-size:22px;color:var(--primary);font-weight:700;line-height:1.2}
.quote-stat span{font-size:11px;color:var(--muted);font-weight:400;line-height:1.3}
.quote-block{margin-bottom:18px}
.quote-block h4{font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;margin-bottom:8px;color:var(--primary)}
.quote-list{list-style:none}
.quote-list li{font-size:13.5px;color:#333;line-height:1.55;padding:6px 0;border-bottom:1px solid var(--line)}
.quote-list a{color:var(--primary)}
.quote-address{font-size:13.5px;color:#333;line-height:1.6}
.quote-note{background:var(--primary);color:#fff;border-radius:var(--radius);padding:12px 16px;font-size:13.5px;text-align:center}
.quote-note strong{font-weight:700}

/* ===== FAB（WhatsApp/客服浮层） ===== */
.fab{position:fixed;right:20px;bottom:20px;background:var(--green);color:#fff;width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;box-shadow:0 6px 18px rgba(0,0,0,.25);z-index:99;font-size:12px;line-height:1.2;text-align:center}
.fab:hover{transform:scale(1.06)}

/* ===== Lightbox ===== */
.lightbox-overlay{position:fixed;inset:0;background:rgba(0,0,0,.85);z-index:1000;display:none;align-items:center;justify-content:center;padding:20px}
.lightbox-overlay.active{display:flex}
.lightbox-overlay img{max-width:90%;max-height:90%;border-radius:6px}
.lightbox-close{position:absolute;top:18px;right:26px;color:#fff;font-size:36px;cursor:pointer;line-height:1}

/* ===== WooCommerce 通用 ===== */
.woocommerce-breadcrumb{font-size:13px;color:var(--muted);padding:14px 0}
.woocommerce-breadcrumb a:hover{color:var(--primary)}

/* ===== 产品页（single-product.php，对标 UNI-T） ===== */
.breadcrumbs{padding:14px 0;border-bottom:1px solid var(--line);font-size:13px;color:var(--muted);font-weight:400}
.breadcrumbs a:hover{color:var(--primary)}
.breadcrumbs__sep{margin:0 6px;color:var(--muted)}
.series-header{padding:26px 0 10px}
.series-header__title{font-size:34px;font-weight:700}
.series-header__subtitle{color:var(--muted);margin-top:8px;max-width:720px}
.product-detail{display:grid;grid-template-columns:1fr 1fr;gap:36px;margin:24px 0}
.product-summary__model{font-size:26px;font-weight:700;margin-bottom:10px}
.product-summary__specs{list-style:none;margin:12px 0}
.product-summary__specs li{padding:8px 0;border-bottom:1px solid var(--line);font-size:15px;color:#333}
.product-summary__specs strong{color:var(--text);font-weight:600}
.product-summary__actions{margin:18px 0}
.product-inquiry-section{margin-top:18px}
.product-description{margin:34px 0}
.product-description__title,.section-title{font-size:24px;font-weight:600;margin-bottom:16px}
.product-description__content{color:#333;line-height:1.75}
/* UNI-T style detail tabs (Features / Specifications / Applications / Docs & Software) */
.product-tabs{margin:34px 0 8px}
.product-tabs__nav{display:flex;flex-wrap:wrap;background:#E9ECF0;overflow-x:auto}
.product-tabs__nav .product-tab{background:transparent;border:none;font-size:18px;font-weight:600;color:#3C3C3C;padding:20px 30px;border-bottom:3px solid transparent;transition:color .15s,border-color .15s}
.product-tabs__nav .product-tab:hover{color:var(--primary);border-bottom-color:var(--primary)}
.product-tabs__nav .product-tab.is-active{color:#da2735;border-bottom-color:#da2735}
.product-tab__panel{display:none;padding:30px 6px 6px}
.product-tab__panel.is-active{display:block}
.tab-panel-title{font-size:20px;font-weight:600;margin-bottom:16px;color:var(--text)}
.product-applications__content{color:#333;line-height:1.75}
.product-applications__content ul{margin:0;padding-left:20px}
.product-applications__content li{margin-bottom:6px}
.product-features__list{list-style:none;display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.product-features__item{padding:10px 14px;background:var(--bg);border-radius:6px;font-size:14px;color:#333}
.product-features__item.is-key{background:var(--primary);color:#fff}
.product-features__item strong{font-weight:600}
.product-docs h3{font-size:16px;font-weight:600;margin-bottom:6px}
.product-docs__packaging,.product-docs__datasheet{margin-bottom:14px;color:#333}
.product-docs__datasheet a{color:var(--primary);font-weight:600}
.single-article{padding:10px 0 20px}
.single-article__title{font-size:34px;font-weight:700;line-height:1.2;color:var(--text)}
.single-article__date{display:block;color:var(--muted);font-size:13px;margin:10px 0 18px;font-weight:400}
.single-article__thumb{margin-bottom:20px;border-radius:var(--radius);overflow:hidden}
.single-article__content{color:#333;line-height:1.75;font-weight:400}
.single-article__content h2{font-size:24px;font-weight:600;margin:24px 0 12px;color:var(--text)}
.single-article__content h3{font-size:18px;font-weight:600;margin:20px 0 10px;color:var(--text)}
.single-article__content ul{margin:0 0 16px;padding-left:22px;list-style:disc}
.single-article__content li{margin-bottom:8px;font-weight:400}
.related-products{padding:32px 0}
.related-products .products-grid{grid-template-columns:repeat(4,1fr);gap:24px}

/* ===== 移动端 ===== */
@media(max-width:992px){
  nav.main{display:none}
  .mobile-nav-toggle{display:block}
  .hero-in{text-align:center;min-height:auto;padding:50px 20px}
  .hero p{margin:0 auto 26px}
  .cat-grid{grid-template-columns:repeat(4,1fr)}
  .prod-grid{grid-template-columns:repeat(2,1fr)}
  .new-row{grid-template-columns:1fr}
  .new-row .items{grid-template-columns:repeat(3,1fr)}
  .sol-grid,.news-grid{grid-template-columns:1fr}
  .quote-grid{grid-template-columns:1fr}
  .foot{grid-template-columns:1fr 1fr}
  .sec-title{font-size:26px}
  .topbar .container{justify-content:center}
  .product-detail{grid-template-columns:1fr}
  .related-products .products-grid{grid-template-columns:repeat(2,1fr)}
  .product-features__list{grid-template-columns:1fr}
}
@media(max-width:480px){
  .cat-grid,.prod-grid,.new-row .items{grid-template-columns:repeat(2,1fr)}
  .foot{grid-template-columns:1fr}
  .hero h1{font-size:36px}
  .inquiry-form__row{grid-template-columns:1fr}
  .hdr{padding:10px 16px}
  header.site-header .logo__img{height:34px;width:auto}
}

/* Footer sub-category indent (Product series under main categories) */
.foot .foot-sub{ padding-left:14px; }
.foot .foot-sub a{ color:#c9c9c9; font-size:12px; }


/* ===== 入场动画(1:1 复刻 RIGOL rigol.com) ===== */
/* 纯 CSS 属性动画:页面加载即播放,多用于首屏 hero。默认 slideup(自下而上 3rem=48px),
   0.5s,fill-mode both(延迟期间保持 from 状态隐藏),data-css-animate="2/3/4…" 逐级 +0.1s */
[data-css-animate]{animation-delay:0s;animation-duration:.5s;animation-fill-mode:both;animation-name:slideup}
[data-css-animate="2"]{animation-delay:.1s}
[data-css-animate="3"]{animation-delay:.2s}
[data-css-animate="4"]{animation-delay:.3s}
[data-css-animate="5"]{animation-delay:.4s}
[data-css-animate="6"]{animation-delay:.5s}
[data-css-animate-type=fadeIn]{animation-name:fadeIn}
[data-css-animate-type=scaleUp]{animation-name:scaleUp}
[data-css-animate-type=slidedown]{animation-name:slidedown}
@keyframes slideup{0%{opacity:0;transform:translateY(3rem)}to{opacity:1;transform:translateY(0)}}
@keyframes slidedown{0%{opacity:0;transform:translateY(-3rem)}to{opacity:1;transform:translateY(0)}}
@keyframes scaleUp{0%{transform:scale(1.2)}to{transform:scale(1)}}
@keyframes fadeIn{0%{opacity:0}to{opacity:1}}

/* 滚动特效:由 animations.js(GSAP ScrollTrigger)驱动 data-animation-wrap/data-animation,
   无需 CSS 状态;元素初始透明由 JS fromTo 设置,JS 未加载时内容正常显示 */

/* 卡片图悬停缩放(RIGOL signature: --scale-hover 1.05) */
.sol-card__tiles{transition:transform .5s ease}
.sol-card:hover .sol-card__tiles{transform:scale(1.05)}

@media (prefers-reduced-motion: reduce) {
    [data-css-animate]{animation:none!important;opacity:1!important}
}