:root { --spacing-xs: 8px; --spacing-sm: 16px; --spacing-md: 24px; --spacing-lg: 32px; --spacing-xl: 48px; --font-size-base: 16px; --font-size-lg: 18px; --font-size-xl: 20px; 
--brand-orange: #EB5C20; --brand-orange-rgb: 235, 92, 32; --white: #FFF; --dark: #1A1A1A; --glass: rgba(255, 255, 255, 0.85); --transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1); 
--brand-light: #fff6f2; --text-main: #2d2d2d; --text-soft: #666; --border: #f0f0f0; --shadow: 0 10px 40px rgba(0,0,0,0.08); --max-width-mobile: 100%; --max-width-tablet: 720px; --max-width-desktop: 1200px; --max-width-ultrawide: 1600px; }
* { margin: 0; padding: 0; box-sizing: border-box; } a{text-decoration: none;}
body { font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif; font-size: 16px; /*line-height: 1.55;*/ color: var(--text-main); background: var(--white); -webkit-font-smoothing: antialiased; }
ul{list-style: none;}
hr{border:0;border-top:1px solid #eee; margin: 3.8rem 0;}
.mabt{ margin-bottom:clamp(0.75rem, 2vw, 1.5rem);}
.mabt60{margin-bottom: 60px;}
.hbg{background: #FAFAFA;border-radius:20px;padding: 10px 0; border-top: 4px solid var(--brand-orange);}
.tel{display: none;font-size:1.3rem;} .tel a{ color:#fff;}
.tel-mobile{ position:fixed; bottom:0; left:0; right:0; background:var(--brand-orange); color:white; text-align:center; padding:10px 0; font-size:18px; z-index:999;}
.tel-mobile a{ color:#fff;}
header { position: fixed; top: 0; left: 0; width: 100%; z-index: 2000; display: flex; justify-content: space-between; align-items: center; padding: 20px 6%; transition: var(--transition); background: linear-gradient(to bottom, rgba(0,0,0,0.5) 0%, transparent 100%); }
header.scrolled { padding: 18px 6%; background: var(--glass); backdrop-filter: blur(15px); -webkit-backdrop-filter: blur(15px); box-shadow: 0 4px 30px rgba(0,0,0,0.05); }
.logo { z-index: 1001; line-height: 0; outline: none; }
.menu-btn { display: block; cursor: pointer; z-index: 2100; }
.menu-btn span { display: block; width: 30px; height: 2px; background: var(--dark); margin: 6px 0; transition: 0.3s; }
.nav-links { position: fixed; top: 0; width: 100%; right: -100%; height: 100vh; background: #FFF; flex-direction: column; padding: 100px 0 0 0; transition: var(--transition); gap: 0; display: flex; list-style: none; align-items: center; }
.nav-links.show { right: 0; }
.nav-links > li { width: 100%; position: relative; }
.nav-links > li > a { padding: 18px 30px; font-size: 16px; width: 100%; justify-content: space-between; border-bottom: 1px solid rgba(255,255,255,0.05); color: var(--dark); text-decoration: none; font-weight: 400; letter-spacing: 2px; text-transform: uppercase; display: flex; align-items: center; transition: 0.3s; }
.nav-links > li > a::after { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 2px; background: var(--brand-orange); transform: scaleX(0); transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1); }
.nav-links > li:hover > a::after { transform: scaleX(1); }
.nav-links > li:hover > a { color: var(--brand-orange); }
.arrow-icon { margin-left: 8px; width: 6px; height: 6px; border-right: 1px solid currentColor; border-bottom: 1px solid currentColor; transform: rotate(45deg); transition: 0.3s; }
.dropdown-menu { max-height: 0; overflow: hidden; transition: max-height 0.5s ease-in-out; background: rgba(255,119,0,0.02); list-style: none; }
.dropdown-menu a { padding: 14px 45px; font-size: 14px; color: #1A1A1A; text-decoration: none; display: block; }
.has-dropdown.is-active .dropdown-menu { max-height: 600px; }
.has-dropdown.is-active .arrow-icon { transform: rotate(-135deg); color: var(--brand-orange); }
.has-dropdown.is-active > a { color: var(--brand-orange); }
.view-all-mobile a { color: var(--brand-orange); font-weight: bold; font-size: 12px; }
.menu-btn.open span:nth-child(1) { transform: rotate(-45deg) translate(-5px, 6px); }
.menu-btn.open span:nth-child(2) { opacity: 0; }
.menu-btn.open span:nth-child(3) { transform: rotate(45deg) translate(-5px, -6px); }
.hero-banner { position: relative; width: 100%; height: 100vh; overflow: hidden; background: var(--brand-orange); }
.slider { display: flex; width: 100%; height: 100%; overflow-x: auto; scroll-snap-type: x mandatory; scroll-behavior: smooth; scrollbar-width: none; }
.slider::-webkit-scrollbar { display: none; }
.slide { flex: 0 0 100%; width: 100%; height: 100%; scroll-snap-align: start; position: relative; display: flex; align-items: center; }
picture { position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: 1; }
.slide-img { width: 100%; height: 100%; object-fit: cover; display: block; }
.brand-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: 2; background: linear-gradient(to top, rgba(var(--brand-orange-rgb), 0.95) 0%, rgba(var(--brand-orange-rgb), 0.4) 40%, transparent 86%); }
.arrow { display: none; }
.indicators { position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%); display: flex; gap: 12px; z-index: 10; }
.dot { width: 12px; height: 4px; background: rgba(255,255,255,0.3); border-radius: 4px; cursor: pointer; transition: 0.4s; }
.dot.active { width: 45px; background: var(--white); }
.hero-content { position: relative; z-index: 3; color: var(--white); padding: 0 30px; text-align: center; width: 100%; margin-top: 38vh; opacity: 0; transform: translateY(40px); transition: 1s cubic-bezier(0.2, 0.8, 0.2, 1); }
.slide-active .hero-content { opacity: 1; transform: translateY(0); }
.hero-content h2 { font-size: clamp(2rem, 2vw, 3.5rem); font-weight: 700; margin-bottom: clamp(0.75rem, 2vw, 1.5rem); }
.hero-content p { font-size: clamp(1rem, 2vw, 1.125rem); margin-bottom: clamp(0.75rem, 2vw, 1rem); }
.cta-btn { display: inline-block; background: var(--white); color: var(--brand-orange); padding: 18px 50px; border-radius: 50px; text-decoration: none; font-weight: bold; box-shadow: 0 10px 30px rgba(0,0,0,0.15); transition: 0.3s; }
.cta-btn:hover { transform: translateY(-5px); box-shadow: 0 15px 40px rgba(0,0,0,0.2); }
.container { width: 100%; padding: 60px var(--spacing-sm); margin: 0 auto; }
.section-header { text-align: center; margin-bottom: 40px; }
.section-header h1, .section-header h2 { color: var(--text-main); font-size: clamp(2rem, 2vw, 3.5rem); font-weight: 700; margin-bottom: var(--spacing-sm); }
.section-header p { color: var(--text-soft); }
.section-header::after{ content: ''; display: block; width: 45px; height: 4px; background: var(--brand-orange); margin: 15px auto; border-radius: 2px; }
.btn { display: inline-block; padding: 14px 35px; border-radius: 50px; font-weight: bold; text-decoration: none; transition: 0.3s; border: none; cursor: pointer; text-align: center; }
.btn-outline { border: 1px solid var(--brand-orange); color: var(--brand-orange); background: transparent; padding: 13px 21px; }
.section-brand-bg { background: var(--brand-light); }
.white-bg { background: #fff; }
.section-padding { padding: 100px 3%; }
.section-box { padding: 0; max-width: 1200px; margin: 0 auto; }
.product-grid { display: grid; grid-template-columns: 1fr; gap: 30px; }
.a-link-card { display: block; color: inherit; text-decoration: none; background: var(--white); border-radius: 24px; overflow: hidden; border: 1px solid #f0f0f0; transition: var(--transition); min-height: 280px; }
.a-link-card:hover, .a-link-card:active { border-color: var(--brand-orange); transform: translateY(-12px); box-shadow: 0 20px 40px rgba(0,0,0,0.08); }
.a-link-card:hover .product-info h4 { color: var(--brand-orange); }
.product-card { background: var(--white); border-radius: 24px; overflow: hidden; border: 1px solid #f0f0f0; transition: var(--transition); }
.product-card:hover { border-color: var(--brand-orange); transform: translateY(-12px); box-shadow: 0 20px 40px rgba(0,0,0,0.08); }
.product-card:hover .btn-outline { background: var(--brand-orange); color: white; }
.product-img { width: 100%; aspect-ratio: 1/1; display: flex; align-items: center; justify-content: center; padding: 10px; }
.product-img img { border-radius: 24px; width: 100%; height: 100%; object-fit: contain; }
.product-info { max-width: 90%; margin: 0 auto; text-align: center; margin-bottom: var(--spacing-sm); }
.product-info h4 { font-size: clamp(1rem, 2vw, 1.236rem); margin-bottom: var(--spacing-sm); font-weight: 600; }
.product-info p { color: var(--gray); font-size: 0.95rem; margin-bottom: var(--spacing-sm); }
.product-info a { color: var(--brand-orange); font-weight: 700; text-decoration: none; }

.dotted{margin-bottom: 2rem;}
.dotted li {margin-bottom: .3rem;color: var(--text-main); line-height:1.3rem;}
.dotted li::before {content: "•";color:var(--brand-orange); font-weight: bold;font-size: 1.3rem; padding:0 5px;}



.index-news-item { display: flex; flex-direction: column-reverse; padding: 13px; border-bottom: 1px solid var(--border); text-decoration: none; color: var(--text-main); }
.index-news-item:hover { color: var(--brand-orange); }
.index-news-item span:nth-of-type(2) { color: #666; font-size: 13px; }
.guide-item { background-color: #fff; border-radius: 8px; box-shadow: 0 4px 12px rgba(0,0,0,0.06); margin-bottom: 20px; overflow: hidden; }
.guide-question { padding: 20px 25px; display: flex; justify-content: space-between; align-items: center; cursor: pointer; font-weight: 500; font-size: 18px; background-color: #fff; border: none; width: 100%; text-align: left; }
.guide-question:hover { color: var(--brand-orange); }
.guide-question .icon { font-size: 13px; color: var(--brand-orange); transition: transform 0.3s ease; }
.guide-answer { padding: 0 25px 25px; color: #666; line-height: 1.8; display: none; }
.guide-answer p { margin-bottom: 15px; }
.guide-answer ul { padding-left: 20px; margin-bottom: 15px; }
.guide-answer li { margin-bottom: 8px; }
.guide-item.active .guide-answer { display: block; }
.guide-item.active .icon { transform: rotate(180deg); }
footer { background: #0f0f0f; color: var(--white); padding: 100px 3% 40px; position: relative; overflow: hidden; border-top: 5px solid #EB5C20; }
.footer-bg-text { position: absolute; font-size: 10vw; font-weight: 900; color: rgba(255,255,255,0.03); white-space: nowrap; pointer-events: none; }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 50px; max-width: 1400px; margin: 0 auto; position: relative; z-index: 1; }
.footer-nav h4 { color: var(--brand-orange); text-transform: uppercase; letter-spacing: 2px; font-size: 1.1rem; margin-bottom: 22px; }
.footer-nav h4::after { content: ''; display: block; width: 30px; height: 2px; background: var(--white); margin: 13px 0; }
.footer-nav ul { list-style: none; }
.footer-nav ul li { margin-bottom: 15px; }
.footer-nav ul li a { color: rgba(255,255,255,0.5); text-decoration: none; transition: 0.3s; }
.footer-nav ul li a:hover { color: var(--white); padding-left: 10px; }
.footer-bottom {display: flex; max-width: 1400px; margin: 100px auto 0; padding:40px 0 20px 0; border-top: 1px solid rgba(255,255,255,0.08); flex-direction: column; align-items: normal; color: var(--text-soft); font-size: 13px; position: relative; z-index: 1; }
.footer-bottom a{ color:var(--text-soft);}
.page-hero { position: relative; width: 100%; height: 360px; display: flex; align-items: center; background: var(--dark); overflow: hidden; }
.hero-img { position: absolute; width: 100%; height: 100%; object-fit: cover; opacity: 0.6; }
.sub-hero-content { position: relative; z-index: 3; color: var(--white); padding: 0 8%; max-width: 900px; margin-top: 108px; }
.sub-hero-content h1, .sub-hero-content h2 { font-size: clamp(2rem, 2vw, 3.5rem); font-weight: 700; margin-bottom: clamp(0.3rem, 3vw, 1rem); }
.sub-hero-content p { font-size: clamp(1rem, 2vw, 1.125rem); margin-bottom: clamp(0.75rem, 2vw, 1rem); }
.intro-section { padding: 40px 8%; display: grid; grid-template-columns: 1fr; gap: 40px; align-items: center; margin-bottom: 60px; transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1); }
.intro-section:hover { transform: translateY(-5px); }
.intro-image { aspect-ratio: 16/9; overflow: hidden; border-radius: 24px; box-shadow: 0 30px 60px rgba(0,0,0,0.1); }
.intro-image img { width: 100%; height: 100%; object-fit: cover; transition: scale 0.5s ease-out; }
.intro-section:hover .intro-image img { scale: 1.05; }
.intro-text h2 { color: var(--text-main); font-size: clamp(1.25rem, 4vw, 1.75rem); margin-bottom: clamp(1rem, 3vw, 1.5rem); font-weight: 600; }
.intro-text h2::after { content: ''; display: block; width: 50px; height: 4px; background: var(--brand-orange); margin-top: 15px; }
.intro-text h3 { color: var(--text-main); font-size: 18px; margin-bottom: .4rem; }
.intro-text { color: var(--text-soft); font-size: clamp(1rem, 2vw, 1.125rem); }
.intro-text p { margin-bottom: clamp(0.75rem, 2vw, 1rem); }
.intro-text ul, .intro-text ol {margin-bottom: 2rem;padding-left: 0; list-style: none; }
.intro-text li {position: relative;padding-left: 1.3rem;margin-bottom: 1rem;line-height: 1.66;}
.intro-text ul li::before {content: "•";color: #FF7700; font-weight: bold;font-size: 1.2rem;position: absolute;left: 0;top: -2px;}
.intro-text ol {counter-reset: num-step; }
.intro-text ol li {counter-increment: num-step; }
.intro-text ol li::before {color: #FF7700; font-weight: 700;font-size: 1rem;position: absolute;left: 0;top: 0;content: counter(num-step) "."; }
.intro-text li ul, .intro-text li ol {margin-top: 0.8rem;margin-bottom: 0.8rem;padding-left: 1.2rem;}



.page-header { background: #fff; padding: 40px 20px; text-align: left; margin-top: 128px; }
.page-header h1 { font-size: 2rem; margin-bottom: 10px; }
.breadcrumb { padding: 16px; }
.breadcrumb, .breadcrumb a, .page-header p { color: #999; font-size: 14px; text-decoration: none; }
.breadcrumb a:hover { color: #EB5C20; }
/*产品类目*/
.container2 {display: flex;flex-direction: column;max-width: 1400px;margin:20px auto;gap: 20px;padding: 0 20px;}
.filter-sidebar {display: block;width: 100%;margin-top: 20px;padding: 20px;background: #fff;border-radius: 10px;border: 1px solid #EEE;order:1;}
.filter-group {margin-bottom: 30px;}
.filter-group h4 {margin-bottom: 15px;font-size: 18px;border-left: 4px solid var(--brand-orange);padding-left: 10px;}
.filter-item {display: block;padding: 8px 0;color: #666;cursor: pointer;transition: 0.3s;}
.filter-item:hover, .filter-item.active {color: var(--brand-orange);padding-left: 5px;}
.product-list {display: grid;grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));gap: 20px;}
.product-item {background: #fff;border-radius: 20px;padding: 20px;transition: 0.4s;/*border: 1px solid transparent;*/ border: 1px solid #F0F0F0;display: flex;flex-direction: column;justify-content: space-between;}
.product-item:hover {transform: translateY(-10px);box-shadow: 0 20px 40px rgba(0,0,0,0.08);border-color: var(--brand-orange);}
.product-thumb {width: 100%;aspect-ratio: 1/1; border-radius: 15px;/*margin-bottom: 20px;*/margin-bottom:clamp(1rem,2vw,1.5rem); display: flex;align-items: center;justify-content: center;overflow: hidden;}
.product-thumb img {width: 100%;height: 100%;object-fit: contain;transition: 0.5s;}
.product-item:hover .product-thumb img {transform: scale(1.1);}
.product-meta {margin-bottom: 20px;text-align: center;}
.product-name {font-size: 18px; margin: 10px 0; color: var(--dark);}
.product-desc {color: #888;font-size: 14px; /*height: 44px;*/ overflow: hidden; line-height: 1.6; display: -webkit-box;-webkit-line-clamp: 3; -webkit-box-orient: vertical;}

/*描述3行*/
.desc{display: -webkit-box;-webkit-line-clamp: 3; /* 限制3行 */-webkit-box-orient: vertical;overflow: hidden;text-overflow: ellipsis;line-height: 1.5;/* 必须设置行高 */max-height: calc(1.5em * 3);}
/*简短描述*/
/* 核心：全端开启包裹层限高与渐隐 */
.desc-wrapper{position:relative;overflow:hidden;transition:max-height .3s ease}
.desc-wrapper::after{content:"";position:absolute;bottom:0;left:0;width:100%;height:40px;background:linear-gradient(transparent,#fff);pointer-events:none;transition:opacity .3s}
/* 默认收起状态：手机端限高 120px */
.desc-wrapper[aria-expanded="false"]{max-height:120px}
/* 展开状态：给一个足够大的安全高度，或配合 JS 动态高度 */
.desc-wrapper[aria-expanded="true"]{max-height:1000px}
.desc-wrapper[aria-expanded="true"]::after{opacity:0}
/* 介绍内容样式 */
.subDesc h1{font-size:20px;margin:0 0 10px 0;color:#111}
.subDesc p{margin:0 0 10px 0;/*font-size:14px;*/color:#555;line-height:1.6;text-align:justify}
/* 统一的展开/收起按钮 */
.toggle-btn{display:flex;align-items:center;margin:2px 0 20px;/*padding:4px 0;*/background:transparent;border:none;color:var(--dark);font-size:14px;font-weight:500;cursor:pointer;-webkit-tap-highlight-color:transparent}
.arrow-icon{display:inline-block;margin-left:6px;width:6px;height:6px;border-right:2px solid var(--dark);border-bottom:2px solid var(--dark);transform:rotate(45deg);transition:transform .3s;vertical-align:middle}
.toggle-btn::before{content:"展开"}
.desc-wrapper[aria-expanded="true"] + .toggle-btn::before{content:"收起"}
.desc-wrapper[aria-expanded="true"] + .toggle-btn .arrow-icon{transform:rotate(-135deg);margin-top:4px}

/*.subDesc{background: #FAFAFA;border-radius: 10px;padding: 10px;margin-bottom: 2rem;}
.subDesc h1{position:relative;padding-left:18px;font-size: 18px;margin-bottom: .6rem;}
.subDesc h1::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:6px;height:6px;border-radius:50%;background:var(--brand-orange)}*/

/*新闻栏目*/
.news-main-wrapper { width: 100%; background: #F8F9FA; }
.news-main {display: grid; grid-template-columns: 1fr; padding: 20px 5%; gap: 60px; max-width: 100%; margin: 0 auto;}
.news-list { display: flex; flex-direction: column; gap: 20px; /*padding: 0 5%;*/ }
.news-item { display: flex; flex-direction: column; gap: 15px; background: #fff; padding: 18px; border-radius: 16px; border: 1px solid #f0f0f0; transition: var(--transition); }
.news-item:hover { transform: translateY(-3px); box-shadow: 0 12px 24px rgba(0, 0, 0, 0.04); }
.news-thumb { width: 100%; aspect-ratio: 1/1; border-radius: 10px; overflow: hidden; flex-shrink: 0; }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; transition: 0.6s; }
.news-item:hover .news-thumb img { transform: scale(1.08); }
.news-text { display: flex; flex-direction: column; justify-content: center; }
.news-date { color: var(--brand-orange); font-size: 13px; font-weight: 700; margin-bottom: 8px; }
.news-text h3 { font-size: 1.1rem; margin-bottom: 10px; color: var(--dark); line-height: 1.4; }
.news-text p { color: #777; font-size: 0.85rem; line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.specialists p { -webkit-line-clamp: 10; }
/* 网站分页统一样式*/
.pagination { margin-top:50px; display:flex; justify-content:center; align-items:center; gap:8px;}
.pagination a, .pagination span { padding:8px 15px; border-radius:4px; border:1px solid #DDD; text-decoration:none; color:#666; min-width:45px; text-align:center; }
.pagination .current { background:var(--brand-orange); color:#FFF; border-color:var(--brand-orange); }
.pagination a:hover { border-color:var(--brand-orange); color:var(--brand-orange); }
/*
.p-btn {min-width: 45px; height: 45px; display: flex; align-items: center; justify-content: center;background: #fff; border: 1px solid #eee; border-radius: 50px;text-decoration: none; color: #666; font-weight: 600; transition: 0.3s;}
.p-btn.active { background: var(--brand-orange); color: #fff; border-color: var(--brand-orange); }
*/
/* 新闻栏目侧边栏*/
.sidebar-box { background: #fff; padding: 20px; border-radius: 16px; border: 1px solid #f0f0f0; margin: 0 5% 20px; }
.sidebar-title { font-size: 1rem; margin-bottom: 15px; position: relative; padding-left: 12px; }
.sidebar-title::before { content: ''; position: absolute; left: 0; top: 6px; width: 3px; height: 14px; background: var(--brand-orange); border-radius: 2px; }
.hot-news { list-style: none; }
.hot-news li { margin-bottom: 12px; padding-bottom: 12px; border-bottom: 1px dashed #eee; }
.hot-news li:last-child { border-bottom: none; }
.hot-news a { text-decoration: none; color: #444; font-size: 0.85rem; transition: 0.3s; line-height: 1.5; }
.hot-news a:hover { color: var(--brand-orange); }
/* 新闻详情 */
.news-detail { background: #fff; padding: 25px; border-radius: 16px; border: 1px solid #f0f0f0; }
.news-detail-title { font-size: 1.5rem; color: var(--dark); margin-bottom: 1.2rem; line-height: 1.4; }
.news-detail-meta { display: flex; gap: 15px; font-size: 0.85rem; color: #999; margin-bottom: 1.5rem; padding-bottom: 1rem; border-bottom: 1px solid #f5f5f5; }
.news-detail-meta span { color: #666;}

.news-detail-content { font-size: 0.95rem; color: #444; line-height: 1.8; }
.news-detail-content img {display: block; max-width: 100% !important;height: auto !important; border-radius: 8px; margin: 1.5rem auto; }
.news-detail-content p { margin-bottom: 1rem; }
.news-detail-content h4 { font-size: 1.1rem; margin: 1.5rem 0 0.8rem; color: var(--dark); }
.news-detail-content a{color: var(--brand-orange);}
/* 新闻详情-相关推荐 */
.related-news { margin-top: 30px; background: #fff; padding: 25px; border-radius: 16px; border: 1px solid #f0f0f0; }
.related-title { font-size: 1.1rem; margin-bottom: 20px; color: var(--dark); position: relative; padding-left: 12px; }
.related-title::before { content: ''; position: absolute; left: 0; top: 4px; width: 3px; height: 14px; background: var(--brand-orange); border-radius: 2px; }
.related-list { display: flex; flex-direction: column; gap: 15px; }
.related-item { padding-bottom: 15px; border-bottom: 1px dashed #eee; }
.related-item:last-child { border-bottom: none; }
.related-item a { text-decoration: none; color: #444; font-size: 0.9rem; transition: 0.3s; }
.related-item a:hover { color: var(--brand-orange); }

/*连锁门店*/
.search-bar {width: 100%;max-width: 1200px;margin: -40px auto 0 auto;background: var(--white);border-radius: 15px;display: flex;justify-content: center;align-items: center;padding: 16px 0px;box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);position: relative;z-index: 10;}
.search-input{position: relative; width: 80%;padding: 16px 40px 16px 20px;border-radius: 50px;border: 1px solid #eee;outline: none;}
.search-btn{ padding: 13px 18px; border-radius: 50px; border: 1px solid #eee; background: none; cursor: pointer; transition: 0.3s; font-size: 16px;margin-left: -90px; z-index: 1;}
.search-btn.active {background: var(--brand-orange); color:var(--white);}

.stores-box{ margin:1rem auto; max-width:960px; padding:1rem; }
.stores-box h2{ font-size:28px; margin-bottom: 1.6rem;}
.stores-box strong{ color: var(--brand-orange);}
.stores-city{ display:flex;flex-wrap: wrap;border-radius: 21px;border: 1px solid #f0f0f0; padding:8px 0; margin-bottom: 60px; max-height: 215px;overflow: hidden;overflow-y: scroll;}
.stores-city a{flex: 1;white-space: nowrap;text-align: center; border-radius: 12px;/*display:block;*/padding: 8px 13px; margin:5px 8px; color:#666666; border: 1px solid #FFF; transition: var(--transition);}
.stores-city a:hover{ border-color: var(--brand-orange); transform: translateY(-3px); box-shadow: 0 20px 40px rgba(0,0,0,0.08); color:var(--brand-orange); font-weight:600;}


.stores-list {display: flex;flex-direction: column; gap: 30px;padding: 0;max-width: 960px;}

.stores-item {border: 1px solid #f0f0f0;transition: var(--transition);color: inherit; padding: 25px;border-radius: 20px;background: #FAFAFA; }
.stores-item:hover { transform: translateY(-5px); box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05); background: #FFF;border: 1px solid var(--brand-orange);}
.stores-item:hover h3 { color: var(--brand-orange); }
.stores-info h3{font-size: clamp(1rem, 2vw, 1.236rem); margin-bottom: var(--spacing-sm);font-weight: 600;}


/*产品，门店展示*/
.item-container {max-width: 1400px;margin: 0 auto;padding: 40px 10px 100px;}
.item-layout {display: flex;flex-direction: column;gap: 30px;margin-bottom: 40px; padding: 16px; border-radius: 20px;background: #fff;}
.item-gallery {width: 100%;display: flex;flex-direction: column;gap: 12px;}
.item-thumbnails {display: flex;flex-direction: row;gap: 10px;overflow-x: auto;scrollbar-width: none;padding-bottom: 5px;order: 1;}
.item-thumbnails::-webkit-scrollbar {display: none;}
.thumbnail-item {width: 70px;height: 70px;border-radius: 8px;overflow: hidden;background: #f3f4f6;cursor: pointer;border: 2px solid transparent;transition: var(--transition);flex-shrink: 0;}
.thumbnail-item.active {border-color: var(--brand-orange);}
.thumbnail-img, .preview-img {width: 100%;height: 100%;object-fit: cover;display: block;}
.gallery-preview {flex: 1;position: relative;background: #f3f4f6;border-radius: 12px;overflow: hidden;aspect-ratio: 1/1;}
.gallery-nav {position: absolute;top: 50%;transform: translateY(-50%);width: 44px;height: 44px;border-radius: 50%;background: rgba(255,255,255,0.6);border: none;font-size: 20px;color: #222;cursor: pointer;z-index: 10;transition: var(--transition);display: flex;align-items: center;justify-content: center;}
.gallery-nav:hover {background: #fff;}
.gallery-prev {left: 15px; display:none;}
.gallery-next {right: 15px;display:none;}
.item-details {width: 100%;}
.item-title {font-size: 28px;font-weight: 700;margin-bottom: 20px;color: var(--dark);}
.item-parameters {margin-bottom: 25px;}
.parameter-row {display: flex;padding: 26px 0;border-bottom: 1px solid #f3f4f6;align-items: center;}
.parameter-name {width: 40px;color: var(--brand-orange);font-weight: 600;}
.parameter-value {flex: 1;color: var(--dark);}
.product-introduction {padding: 16px; border-radius: 20px;background: #fff;border-top: 1px solid #f3f4f6;}
.introduction-title {font-size: 22px;font-weight: 600;margin-bottom: 20px;color: var(--dark);}
.introduction-title::after { content: ''; display: block; width: 45px; height: 4px; background: var(--brand-orange); margin-top: 15px; border-radius: 2px; }
.introduction-content {color: #6b7280;line-height: 1.8;font-size: 16px;}
.introduction-content img{display: block;max-width: 100%;border-radius: 8px;margin: 1.5rem auto;}
.buyonline{display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.buyonline a{display: block; text-decoration: none;background: var(--white);border-radius: 24px;overflow: hidden;border: 1px solid #f0f0f0;transition: var(--transition);}
.buyonline a:hover{ border-color: var(--brand-orange); transform: translateY(-10px); box-shadow: 0 20px 40px rgba(0,0,0,0.08); }
.buyonline a img{display: block; max-width: 100%; border-radius: 8px; margin: 1.5rem auto;}
.sform{ display:flex;justify-content: center;}
.sform .kws{width: 95%;font-size: 14px;}
/*产品详情*/
.product-wrap {box-sizing: border-box;margin: 0;padding: var(--spacing-xs);font-family: "Microsoft YaHei",system-ui,sans-serif;font-size: var(--font-size-base);line-height: 1.8;color: var(--text-main);background: var(--white);}
.product-wrap h1 {font-size: 24px;margin: var(--spacing-sm) 0;line-height: 1.4;color: var(--dark);border-left: 4px solid var(--brand-orange);padding-left: 10px;}
.product-wrap h2 {font-size: var(--font-size-xl);margin: 30px 0 var(--spacing-xs);color: var(--dark);padding-bottom: 5px;border-bottom: 1px solid var(--border);}
.product-wrap h3 {font-size: 17px;margin: var(--spacing-md) 0 var(--spacing-xs);color: var(--text-main);}
.product-wrap p {margin-bottom: var(--spacing-xs);}
.product-wrap ul {margin: 10px 0 16px; padding-left: 4px;} .product-wrap li {margin-bottom: 6px; line-height: 1.7;}
.product-wrap .faq-area {background: var(--brand-light);padding: var(--spacing-sm);border-radius: 12px;margin: 26px 0;}
.product-wrap .faq-area h3 {margin-top: 0; border: none;}
.product-wrap .scene-list {display: grid;grid-template-columns: repeat(2,1fr);gap: 10px;margin: 12px 0;}
.product-wrap .scene-list li {background: var(--brand-light);padding: 10px;border-radius: 6px;text-align: center;font-size: 15px;margin-bottom: 0;}
.product-wrap img {max-width: 100%;height: auto;display: block;margin: var(--spacing-sm) auto;border-radius: var(--spacing-sm);box-shadow: var(--shadow);}
.product-wrap .img-main {max-width: 90%;}
.product-wrap .img-row {display: grid;grid-template-columns: 1fr 1fr;gap: 10px;margin: 12px 0;}
.product-wrap .img-row img {margin: 0;}
.product-wrap a{color: var(--text-main);}
/*服务支持*/
.download{max-width: 1200px;margin: 2rem auto; padding: 0 20px;}
.download-item:hover .btn-outline { background: var(--brand-orange); color: white; }
/*联系我们*/
.contact-bar { width: 90%; max-width: 100%; margin: -40px auto 0; background: var(--white); border-radius: 15px; display: grid; grid-template-columns: 1fr; padding: 25px 15px; box-shadow: 0 20px 50px rgba(0,0,0,0.1); position: relative; z-index: 10; }
.contact-item { text-align: center; border-right: none; border-bottom: 1px solid #eee; padding: 15px 0; }
.contact-item:last-child { border-bottom: none; }
.contact-item i { font-size: 22px; color: var(--brand-orange); display: block; margin-bottom: 8px; }
.contact-item h4 { font-size: 1rem; margin-bottom: 5px; }
.contact-item p, .contact-item p a{ color: #888; font-size: 0.85rem; }
.contact-item p a:hover{ color: var(--brand-orange); }
.contact-main { padding: 60px 5%; display: grid; grid-template-columns: 1fr; gap: 40px; background: #F8F9FA; }
.info-side h2 { font-size: 1.8rem; margin-bottom: 20px; position: relative; }
.info-side h2::after { content: ''; display: block; width: 40px; height: 4px; background: var(--brand-orange); margin-top: 10px; }
.info-list { list-style: none; margin-top: 30px; }
.info-list li { margin-bottom: 20px; display: flex; align-items: flex-start; gap: 12px; }
.info-list b { color: var(--brand-orange); display: block; margin-bottom: 5px; }
.info-list p { color: #666; font-size: 0.95rem; }
.form-side { background: var(--white); padding: 30px 20px; border-radius: 24px; box-shadow: 0 10px 40px rgba(0,0,0,0.05); }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 8px; color: #555; }
.form-group input, .form-group textarea { width: 100%; padding: 12px; border: 1px solid #eee; border-radius: 12px; background: #fcfcfc; font-family: inherit; transition: 0.3s; }
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--brand-orange); background: #fff; }
.btn-submit { width: 100%; padding: 14px; background: var(--brand-orange); color: #fff; border: none; border-radius: 50px; font-weight: 700; font-size: 15px; cursor: pointer; transition: 0.3s; margin-top: 8px; }
.btn-submit:hover { transform: translateY(-3px); box-shadow: 0 10px 25px rgba(var(--brand-orange-rgb), 0.3); }
.map-section { height: 300px; width: 100%; background: #eee; position: relative; }
.map-placeholder { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; color: #999; font-weight: 500; }

/* 留言成功显示 */
.success-panel {display: none;padding: 60px 30px;text-align: center;}
.success-icon {width: 70px;height: 70px;background: #52c41a;color: #fff;border-radius: 50%;line-height: 70px;font-size: 35px;margin: 0 auto 20px;display: flex;align-items: center;justify-content: center;box-shadow: 0 5px 15px rgba(82, 196, 26, 0.3);}
.success-panel h2 {color: #333;font-weight: 700;margin-bottom: 15px;}


/* --- FAQ常见问题 --- */
.faq-section { padding: 80px 8% 100px; background: #F9FAFB; }
.faq-container { max-width: 900px; margin: 0 auto; }

.faq-item { background: #fff; border-radius: 15px; margin-bottom: 15px; border: 1px solid #f0f0f0; overflow: hidden; transition: 0.3s; }
.faq-header { padding: 25px 30px; cursor: pointer; display: flex; justify-content: space-between; align-items: center; }
.faq-header h3 { font-size: 1.1rem; font-weight: 600; color: var(--dark); }
.faq-icon { width: 24px; height: 24px; position: relative; transition: 0.4s; }
.faq-icon::before, .faq-icon::after { content: ''; position: absolute; background: #ccc; transition: 0.4s; }
.faq-icon::before { width: 2px; height: 14px; left: 11px; top: 5px; } /* 竖线 */
.faq-icon::after { width: 14px; height: 2px; left: 5px; top: 11px; } /* 横线 */

.faq-body { max-height: 0; padding: 0 30px; overflow: hidden; transition: max-height 0.4s ease, padding 0.4s ease; background: #fcfcfc; }
.faq-body p { padding-bottom: 25px; color: #666; font-size: 0.95rem; border-top: 1px solid #f9f9f9; padding-top: 20px; line-height:1.6rem; }

.faq-item.active { border-color: var(--brand-orange); box-shadow: 0 10px 25px rgba(0,0,0,0.05); }
.faq-item.active .faq-body { max-height: 500px; padding: 0 30px; }
.faq-item.active .faq-icon { transform: rotate(45deg); }
.faq-item.active .faq-icon::before, .faq-item.active .faq-icon::after { background: var(--brand-orange); }

.help-footer { text-align: center; padding: 60px 8%; background: var(--white); }
.help-footer h4 { margin-bottom: 20px; font-size: 1.5rem; }
.contact-pill { display: inline-block; padding: 12px 35px; background: var(--brand-orange); color: #fff; text-decoration: none; border-radius: 50px; font-weight: 700; transition: 0.3s; }
.contact-pill:hover { transform: translateY(-3px); box-shadow: 0 10px 20px rgba(var(--brand-orange-rgb), 0.3); }


/* --- 右下角功能图标组 --- */
.fixed-tools { position: fixed; bottom: 30px; right: 20px; display: flex; flex-direction: column; gap: 12px; z-index: 2500; opacity: 0; visibility: hidden; transition: var(--transition); }
.fixed-tools.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.tool-btn { width: 45px; height: 45px; background: #fff; color: #333; border-radius: 50%; display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 15px rgba(0,0,0,0.15); text-decoration: none; transition: 0.3s; position: relative; }
.tool-btn:hover { background: #FF7700; color: #fff; transform: translateY(-3px); }
.tool-btn svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

@media (min-width: 640px) {
.news-item { flex-direction: row; /*justify-content: space-between;*/ padding: 20px 0; }
/*产品详情*/
.product-wrap {max-width: var(--max-width-tablet);margin: 0 auto;padding: 20px;}
.product-wrap h1 {font-size: 28px;padding-left: 12px;}
.product-wrap h2 {font-size: 22px;}
.product-wrap h3 {font-size: var(--font-size-lg);} 
.product-wrap .scene-list {grid-template-columns: repeat(3,1fr);} 
.product-wrap .img-row {grid-template-columns: repeat(3,1fr);}

}

@media (min-width: 768px) {
.btn-outline { padding: 13px 35px; }
.tel{display:block;}
.tel-mobile{ display:none;}
.container { max-width: 1200px; padding: 60px var(--spacing-md); }
.intro-section { grid-template-columns: 1fr 1fr; gap: 80px; margin: 80px 0; }
.intro-section:nth-child(even) .intro-text { order: 2; }
.intro-section:nth-child(even) .intro-img { order: 1; }
.breadcrumb { padding: 16px 10%; }
.page-header { padding: 60px 10%; }
.page-header h1 { font-size: clamp(2rem, calc(1vw + 1.5rem), 3.5rem); }

.container2 {display: grid;grid-template-columns: 250px 1fr;gap: 40px;margin: 30px auto 60px auto;}
.filter-sidebar {display: block;width: 100%;margin-top: 0;padding: 0;background: transparent;border: none;border-radius: 0;position: sticky;top: 128px;height: fit-content;order: initial;}
.product-list {grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));gap: 30px;}
.product-item {padding: 21px;}
.product-name {font-size: 20px;}

/*新闻栏目*/
.news-list { gap: 25px; padding: 0 6%; }
.news-item { flex-direction: row; gap: 20px; padding: 22px; }
.news-thumb { width: 120px; }
.news-text h3 { font-size: 1.25rem; }
.sidebar-box { padding: 25px; margin: 0 6% 25px; }
/* 新闻详情，相关推荐 */
.news-detail { padding: 30px; }
.news-detail-title { font-size: 1.8rem; }
.related-news { padding: 30px; }
/*连锁门店*/
.search-bar {width: 64%;padding: 20px 40px;}
.search-btn{ padding: 13px 38px;}
.stores-city a{flex: unset;}
.stores-city{ max-height: unset;overflow: unset;overflow-y: unset;}
/*联系我们*/
.contact-bar { grid-template-columns: repeat(3, 1fr); width: 88%; max-width: 1000px; margin: -45px auto 0; padding: 30px 20px; }
.contact-item { border-right: 1px solid #eee; border-bottom: none; padding: 0; }
.contact-item:last-child { border-right: none; }
.contact-item i { font-size: 24px; }
.contact-item h4 { font-size: 1.1rem; }
.contact-item p { font-size: 0.9rem; }

.contact-main { padding: 80px 6%; gap: 60px; }
.info-side h2 { font-size: 2rem; margin-bottom: 25px; }
.info-list { margin-top: 35px; }
.info-list li { margin-bottom: 25px; gap: 15px; }
.info-list p { font-size: 1rem; }
.form-side { padding: 40px 30px; }
.form-group { margin-bottom: 20px; }
.form-group input, .form-group textarea { padding: 15px; }
.btn-submit { padding: 16px; font-size: 16px; margin-top: 10px; }
/*服务支持*/


/*功能标签简短描述*/
.subDesc h1{font-size:24px}
.desc-wrapper[aria-expanded="false"]{max-height:98px}/* PC端默认收起时可以稍微高一点，允许显示更多行（如5行，约115px） */

}

@media (min-width: 1024px) {
.hero-banner { height: 727px; }
.brand-overlay { background: linear-gradient(105deg, rgba(var(--brand-orange-rgb), 0.9) 0%, transparent 70%); }
.hero-content { padding-left: 10%; text-align: left; width: auto; margin-top: 0; }
.arrow { display: flex; position: absolute; top: 50%; transform: translateY(-50%); z-index: 10; background: rgba(255,255,255,0.15); border: 1px solid rgba(255,255,255,0.2); color: white; width: 50px; height: 50px; border-radius: 50%; cursor: pointer; align-items: center; justify-content: center; backdrop-filter: blur(5px); }
.prev { left: 20px; }
.next { right: 20px; }
.indicators { left: 10%; transform: none; }
.product-grid { grid-template-columns: repeat(3, 1fr); gap: 40px; }
.product-grid2 { grid-template-columns: repeat(4, 1fr); }
.product-img { padding: 30px; }
.section-padding { padding: 100px 8%; }
.section-box { padding: 62px 5%; }
.product-meta {margin-bottom: 0;}
.index-news-item { flex-direction: initial; justify-content: space-between;}
/*新闻栏目*/
.news-main { padding: 40px 8% 100px; display: grid; grid-template-columns: 68% 28%; gap: 4%; background: #F8F9FA; align-items: flex-start; }
.news-list { gap: 30px; padding: 0; max-width: 880px; }
.news-item { gap: 30px; padding: 25px; border-radius: 20px; }
.news-item:hover { transform: translateY(-5px); box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05); }
.news-thumb { width: 120px; }

.news-item:hover .news-thumb img { transform: scale(1.1); }
.news-date { font-size: 14px; margin-bottom: 10px; }
.news-text h3 { font-size: 1.4rem; margin-bottom: 12px; line-height: 1.3; }
.news-text p { font-size: 0.95rem; }
.specialists p { -webkit-line-clamp: 6; }
.sidebar{position: sticky; top: 128px;}
.sidebar-box { padding: 30px; border-radius: 20px; margin: 0 0 30px; max-width: 360px;}
.sidebar-title { font-size: 1.1rem; margin-bottom: 20px; padding-left: 15px; }
.sidebar-title::before { width: 4px; height: 16px; }
.hot-news li { margin-bottom: 15px; padding-bottom: 15px; }
.hot-news a { font-size: 0.9rem; }
/* 新闻详情，相关推荐 */
.news-detail { padding: 40px; border-radius: 20px; }
.news-detail-title { font-size: 2rem; }
.related-news { padding: 30px; border-radius: 20px; margin-top: 40px; }
.news-detail-meta{}
/*专家团队*/
.img-thumb{width: 220px;aspect-ratio: 1/1;}
.news-list2 {max-width:1200px; }
/*连锁门店*/
.stores-city{ max-height:unset;overflow: unset;overflow-y: unset;}
/*产品，门店展示*/
.item-container {padding: 40px 0 100px;}
.item-layout {flex-direction: row; gap: 40px;padding: 40px;}
.item-gallery {width: 60%;flex-direction: row;}
.item-thumbnails {flex-direction: column;overflow-x: visible;overflow-y: auto;max-height: 500px;gap: 12px;order: initial;}
.item-details {width: 40%;}
.gallery-prev {display:block;}
.gallery-next {display:block;}
.product-introduction {padding: 40px;}
.buyonline{grid-template-columns: repeat(4, 1fr); gap: 6px; padding: 20px 0;}
.sform .kws{width: 85%;font-size: 16px;}

/*产品详情*/
.product-wrap {max-width: var(--max-width-desktop);}.product-wrap .img-main {max-width: 70%;}

/*联系我们*/
.contact-bar { width: 84%; max-width: 1200px; margin: -50px auto 0; padding: 40px 20px; }

.contact-main { padding: 100px 8%; grid-template-columns: 1fr 1fr; gap: 80px; }
.info-side h2 { font-size: 2.2rem; margin-bottom: 30px; }
.info-side h2::after { margin-top: 15px; }
.info-list { margin-top: 40px; }
.info-list li { margin-bottom: 30px; }
.form-side { padding: 50px; }
.map-section { height: 400px; }

footer { padding: 100px 8% 40px; }
.footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; gap: 80px; }
.footer-bottom { flex-direction: row; justify-content: space-between; align-items: center; }
}
/* 超大屏适配 (1440px 及以上) */
@media (min-width: 1440px) {
/*顶部导航菜单，根据菜单长度修改在哪些屏幕下显示，要同步JS修改*/
.menu-btn { display: none; }
.nav-links { position: static; width: auto; height: auto; flex-direction: row; padding: 0; background: transparent; gap: 35px; right: auto; }
.nav-links > li { width: auto; }
.nav-links > li > a { padding: 10px 0; width: auto; color: var(--white); border-bottom: none; }
header.scrolled .nav-links > li > a { color: var(--dark); }
header.scrolled .tel a { color: var(--dark); }
.nav-links > li > a:hover { color: var(--brand-orange) !important; }
.dropdown-menu { position: absolute; top: 120%; left: -15px; background: #fff; min-width: 180px; opacity: 0; visibility: hidden; transform: translateY(15px); transition: var(--transition); padding: 10px 0; box-shadow: 0 15px 40px rgba(0,0,0,0.5); border-top: 4px solid var(--brand-orange); border-radius: 12px; max-height: none; }
.has-dropdown:hover .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown-menu a { color: var(--dark); padding: 12px 25px; transition: var(--transition);}
.dropdown-menu a:hover { background: #fdf2ee; color: var(--brand-orange); padding-left: 30px; }
.has-dropdown:hover > a { color: var(--dark); }
.has-dropdown:hover .arrow-icon { transform: rotate(-135deg); }
.view-all-mobile { display: none; }

/*新闻列表*/
.news-main { max-width: 1400px; margin: 0 auto; padding: 40px 0 100px; }
}