:root{
  --mu-max:1400px;
  --mu-dark:#101828;
  --mu-gray:#667085;
  --mu-line:#eaecf0;
  --mu-blue:#c9a227;
  --mu-blue-deep:#9c7a1c;
  --mu-bg:#ffffff;
  --mu-bg-soft:#faf8f0;
  --mu-radius:14px;
  --mu-shadow:0 10px 30px rgba(16,24,40,.08);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;color:var(--mu-dark);background:var(--mu-bg);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
.mu-container{max-width:var(--mu-max);margin:0 auto;padding:0 24px}
.mu-section{padding:80px 0}
.mu-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:44px}
.mu-head h2{font-size:34px;font-weight:400;letter-spacing:-.5px}
.mu-head .mu-more{font-size:14px;font-weight:400;color:var(--mu-dark);display:inline-flex;align-items:center;gap:8px;white-space:nowrap;transition:color .2s}
.mu-head .mu-more:hover{color:var(--mu-blue)}
.mu-head .mu-more i{transition:transform .2s}
.mu-head .mu-more:hover i{transform:translateX(4px)}

/* ================= 顶部条 ================= */
.topbar{background:var(--mu-dark);color:#fff;font-size:13px;position:relative;z-index:1300}
.topbar .mu-container{display:flex;align-items:center;justify-content:space-between;height:40px}
.lang-switcher{position:relative}
.lang-btn{display:flex;align-items:center;gap:6px;color:#fff;font-size:13px;padding:4px 2px}
.lang-btn .lang-arrow{font-size:10px;transition:transform .3s}
.lang-switcher.open .lang-arrow{transform:rotate(180deg)}
.lang-dropdown{position:absolute;top:calc(100% + 8px);right:0;min-width:160px;background:#fff;border-radius:10px;box-shadow:0 12px 32px rgba(0,0,0,.16);overflow:hidden;opacity:0;visibility:hidden;transform:translateY(-8px);transition:all .25s;z-index:1300;border:1px solid var(--mu-line)}
.lang-switcher.open .lang-dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.lang-item{display:flex;align-items:center;gap:8px;padding:10px 16px;color:#333;font-size:13px;transition:background .2s}
.lang-item:hover{background:#faf5e6}
.lang-item.active{background:var(--mu-blue);color:#fff}
.lang-item i{font-size:12px;width:16px;text-align:center}

/* ================= 头部（幻灯上层） ================= */
.site-header{position:absolute;top:40px;left:0;right:0;z-index:1200;transition:background .3s,box-shadow .3s;--hd-fg:#fff}
.site-header .mu-container{display:flex;align-items:center;justify-content:space-between;height:76px;gap:24px}
.logo img{height:44px;width:auto}
.logo .logo-text{color:var(--hd-fg);font-size:24px;font-weight:700;letter-spacing:.5px}
.logo .logo-text small{font-weight:400;opacity:.85}
.hd-right{display:flex;align-items:center;gap:18px}
.mainnav{display:flex;align-items:center;gap:6px}
.mainnav>li{position:relative}
.mainnav>li>a{display:flex;align-items:center;gap:5px;padding:10px 14px;color:var(--hd-fg);font-size:15px;font-weight:500;border-radius:8px;transition:color .2s;white-space:nowrap}
.mainnav>li>a:hover,.mainnav>li.active>a{color:var(--hd-fg);opacity:.85}
.mainnav>li.active>a{position:relative}
.mainnav>li.active>a::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;background:var(--hd-fg);border-radius:2px}
.mainnav .nav-sub{position:absolute;top:calc(100% + 6px);left:0;min-width:190px;background:#fff;border-radius:12px;box-shadow:0 16px 40px rgba(16,24,40,.14);padding:8px;opacity:0;visibility:hidden;transform:translateY(8px);transition:all .25s;z-index:50}
.mainnav>li:hover .nav-sub{opacity:1;visibility:visible;transform:translateY(0)}
.mainnav .nav-sub li{position:relative}
.mainnav .nav-sub a{display:flex;justify-content:space-between;align-items:center;padding:9px 14px;font-size:14px;color:#333;border-radius:8px}
.mainnav .nav-sub a:hover{background:#faf5e6;color:var(--mu-blue)}
.mainnav .nav-sub .nav-sub{top:0;left:100%}
.hd-search-btn{width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--hd-fg);background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);font-size:16px;transition:all .2s}
.hd-search-btn:hover{background:#fff;color:var(--mu-dark)}
.hd-lang{flex:none;display:none}
.site-header.is-fixed .hd-lang{display:block}
.hd-lang-btn{width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--hd-fg);background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);font-size:16px;transition:all .2s;padding:0}
.hd-lang-btn:hover{background:#fff;color:var(--mu-dark)}
.hd-lang .lang-dropdown{right:0}
.site-header.is-fixed .hd-lang-btn{background:#f2f4f7;border-color:var(--mu-line);color:var(--mu-dark)}
.hd-toggle{display:none;width:44px;height:44px;border-radius:10px;color:var(--hd-fg);background:rgba(255,255,255,.14);font-size:18px;align-items:center;justify-content:center}
/* 滚动后固定顶部的导航 */
.site-header.is-fixed{position:fixed;top:0;background:#fff;box-shadow:0 2px 16px rgba(16,24,40,.08);--hd-fg:var(--mu-dark)}
.site-header.is-fixed .hd-search-btn{background:#f2f4f7;border-color:var(--mu-line);color:var(--mu-dark)}
.site-header.is-fixed .hd-toggle{background:#f2f4f7;color:var(--mu-dark)}
.site-header.is-fixed .mainnav>li.active>a::after{background:var(--mu-blue)}
.site-header.is-fixed .mainnav>li>a:hover,.site-header.is-fixed .mainnav>li.active>a{color:var(--mu-blue)}

/* ================= 全屏搜索 ================= */
.search-overlay{position:fixed;inset:0;z-index:2000;background:rgba(13,20,38,.96);display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:all .3s}
.search-overlay.open{opacity:1;visibility:visible}
.search-overlay .close-search{position:absolute;top:36px;right:48px;color:#fff;font-size:28px;width:52px;height:52px;border-radius:50%;background:rgba(255,255,255,.1);transition:background .2s}
.search-overlay .close-search:hover{background:rgba(255,255,255,.25)}
.search-overlay form{width:min(860px,88vw);display:flex;align-items:center;gap:16px;border-bottom:2px solid rgba(255,255,255,.4);padding-bottom:14px}
.search-overlay input{flex:1;background:none;border:none;outline:none;color:#fff;font-size:30px;font-weight:300}
.search-overlay input::placeholder{color:rgba(255,255,255,.45)}
.search-overlay button[type=submit]{color:#fff;font-size:26px;transition:transform .2s}
.search-overlay button[type=submit]:hover{transform:scale(1.15)}
.search-overlay .search-tips{position:absolute;bottom:12vh;color:rgba(255,255,255,.5);font-size:14px}

/* ================= 全屏幻灯 ================= */
.hero{position:relative;height:calc(100vh - 40px);min-height:560px;overflow:hidden;background:#0d1426}
.hero .slide{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transition:opacity 1s ease;transform:scale(1.04)}
.hero .slide.active{opacity:1;transform:scale(1);transition:opacity 1s ease,transform 6s ease-out}
/* 首张幻灯：打开页面时执行一次"由大变小"的进入动画（与后续幻灯一致） */
.hero .slide.first{transition:opacity 1s ease,transform 6s ease-out}
.hero .slide::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,16,32,.6) 0%,rgba(10,16,32,.3) 45%,rgba(10,16,32,.68) 100%)}
.hero-caption{position:absolute;left:0;right:0;bottom:12%;z-index:5;color:#fff}
.hero-caption h1{font-size:clamp(30px,4.6vw,58px);font-weight:600;line-height:1.25;max-width:900px;letter-spacing:-.5px;text-shadow:0 2px 24px rgba(0,0,0,.35)}
.hero-caption p{margin-top:16px;font-size:clamp(15px,1.4vw,19px);opacity:.9;max-width:640px}
.hero-slogan{position:absolute;left:0;right:0;top:45%;transform:translateY(-50%);z-index:5;text-align:center;color:#fff;pointer-events:none;padding:0 24px}
.hero-slogan p{margin:0;font-size:clamp(26px,3.6vw,54px);font-weight:700;letter-spacing:-.5px;line-height:1.3;text-shadow:0 2px 18px rgba(0,0,0,.6),0 1px 4px rgba(0,0,0,.5)}
.hero-links{display:flex;gap:60px;margin-top:44px;flex-wrap:wrap}
.hero-links a{color:#fff;font-size:15px;font-weight:600;display:inline-flex;align-items:center;gap:10px;opacity:.95;transition:opacity .2s,gap .2s}
.hero-links a:hover{opacity:1;gap:16px}
.hero-links a i{font-size:13px}
.hero-dots{position:absolute;right:6%;bottom:12%;z-index:6;display:flex;flex-direction:column;gap:10px}
.hero-dots button{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.45);transition:all .3s}
.hero-dots button.active{background:#fff;transform:scale(1.3)}

/* ================= At a glance 数据 ================= */
.stats-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:34px 40px}
.stat-item small{display:flex;align-items:center;gap:9px;color:var(--mu-gray);font-size:13px;font-weight:400;margin-bottom:8px}
.stat-item strong{display:block;font-size:clamp(26px,2.6vw,40px);font-weight:300;letter-spacing:-.5px;padding-bottom:14px;border-bottom:1px solid var(--mu-dark)}
.stat-item small i.fas{font-size:16px;color:var(--mu-blue);transition:color .3s}
.stat-item:hover small i.fas{color:var(--mu-blue-deep)}

/* ================= Worldwide 地图 ================= */
.world-section{background:var(--mu-bg)}
.map-wrap{position:relative;margin-top:20px}
.map-wrap img.map-bg{width:100%;opacity:.9;filter:hue-rotate(-158deg) saturate(.75) brightness(1.07)}
.map-dot{position:absolute;width:12px;height:12px;transform:translate(-50%,-50%)}
.map-dot b{display:block;width:12px;height:12px;border-radius:50%;background:var(--mu-blue);box-shadow:0 0 0 4px rgba(201,162,39,.18);position:relative;z-index:2}
.map-dot::before{content:"";position:absolute;left:50%;top:50%;width:12px;height:12px;margin:-6px 0 0 -6px;border-radius:50%;background:rgba(201,162,39,.45);animation:dotPulse 2s ease-out infinite}
@keyframes dotPulse{0%{transform:scale(1);opacity:.8}80%{transform:scale(3.2);opacity:0}100%{transform:scale(3.2);opacity:0}}
.map-dot .tip{position:absolute;bottom:22px;left:50%;transform:translateX(-50%) translateY(6px);background:var(--mu-dark);color:#fff;font-size:12px;font-weight:500;padding:6px 12px;border-radius:8px;white-space:nowrap;opacity:0;visibility:hidden;transition:all .2s;z-index:5}
.map-dot .tip::after{content:"";position:absolute;top:100%;left:50%;margin-left:-5px;border:5px solid transparent;border-top-color:var(--mu-dark)}
.map-dot:hover .tip{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}

/* ================= Our Products ================= */
.prod-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:22px}
.prod-card .pic{position:relative;aspect-ratio:1/1;border-radius:var(--mu-radius);overflow:hidden;background:var(--mu-bg-soft)}
.prod-card .pic img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.prod-card:hover .pic img{transform:scale(1.07)}
.prod-card h3{margin-top:14px;font-size:15px;font-weight:500;text-align:center}
.prod-card:hover h3{color:var(--mu-blue)}

/* ================= 客户 logo 走马灯 ================= */
.customers{overflow:hidden;max-width:var(--mu-max);margin:0 auto;padding:0 24px;-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.marquee-track{display:flex;align-items:center;gap:40px;width:max-content;animation:marquee 60s linear infinite}
.customers:hover .marquee-track{animation-play-state:paused}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.marquee-track .cust-item{flex:none;display:flex;align-items:center;gap:22px;font-size:48px;font-weight:700;color:#98a2b3;letter-spacing:.5px;filter:grayscale(1);transition:filter .3s,color .3s}
.marquee-track .cust-item:hover{filter:grayscale(0);color:var(--mu-dark)}
.marquee-track .cust-item img{height:150px;width:auto;object-fit:contain}
.marquee-track .cust-item i{font-size:66px}

/* ================= What we do 轮播 ================= */
.wwd-section{background:var(--mu-bg)}
.wwd-viewport{overflow:hidden}
.wwd-track{display:flex;gap:22px;transition:transform .5s cubic-bezier(.4,0,.2,1)}
.wwd-card{flex:0 0 calc((100% - 66px)/4);position:relative;min-height:460px;border-radius:var(--mu-radius);overflow:hidden;display:flex;align-items:flex-end;color:#fff;background:linear-gradient(135deg,#b8860b,#6e5310)}
.wwd-card .fill-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s}
.wwd-card:hover .fill-img{transform:scale(1.05)}
.wwd-card .wwd-body{position:absolute;left:0;right:0;bottom:0;padding:30px 28px;background:linear-gradient(180deg,rgba(8,13,28,0),rgba(8,13,28,.8))}
.wwd-card h3{font-size:20px;font-weight:600;margin-bottom:10px}
.wwd-card p{font-size:13.5px;opacity:.85;line-height:1.7}
.wwd-nav{display:flex;gap:14px;justify-content:flex-end;margin-top:30px}
.wwd-nav button{width:46px;height:46px;border-radius:50%;border:1px solid var(--mu-line);color:var(--mu-dark);font-size:15px;transition:all .2s}
.wwd-nav button:hover{background:var(--mu-dark);color:#fff;border-color:var(--mu-dark)}

/* ================= 新闻 / 案例 卡片 ================= */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.post-card{background:#fafbfc;border-radius:var(--mu-radius);overflow:hidden;transition:transform .3s,box-shadow .3s;display:flex;flex-direction:column}
.post-card:hover{transform:translateY(-6px);box-shadow:var(--mu-shadow)}
.post-card .pic{aspect-ratio:16/10;overflow:hidden;background:var(--mu-bg-soft)}
.post-card .pic img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.post-card:hover .pic img{transform:scale(1.06)}
.post-card .body{padding:24px 24px 28px;display:flex;flex-direction:column;flex:1}
.post-card .date{font-size:13px;color:var(--mu-gray);margin-bottom:10px}
.post-card h3{font-size:18px;font-weight:500;line-height:1.5;margin-bottom:18px}
.post-card h3 a:hover{color:var(--mu-blue)}
.post-card .desc{font-size:13.5px;color:var(--mu-gray);line-height:1.7;margin-bottom:18px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card .readmore{margin-top:auto;font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:10px}
.post-card .readmore i{transition:transform .2s}
.post-card .readmore:hover i{transform:translateX(5px)}

/* ================= About us 选项卡 ================= */
.about-section{background:var(--mu-bg)}
.about-tabs{display:flex;justify-content:center;gap:8px;border-bottom:1px solid var(--mu-line);margin-bottom:52px}
.about-tabs button{padding:14px 28px;font-size:16px;color:var(--mu-gray);position:relative;transition:color .2s}
.about-tabs button::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:transparent;transition:background .2s}
.about-tabs button.active{color:var(--mu-dark);font-weight:600}
.about-tabs button.active::after{background:var(--mu-blue)}
.about-panel{display:none;grid-template-columns:1fr 1.2fr;border-radius:var(--mu-radius);overflow:hidden;background:var(--mu-bg-soft)}
.about-panel.active{display:grid;animation:fadeUp .5s ease}
@keyframes fadeUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}
.about-text{padding:70px 56px;display:flex;flex-direction:column;justify-content:center}
.about-text p{color:#475467;font-size:16px;line-height:1.9;margin-bottom:28px}
.about-text .mu-more{font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:10px}
.about-text .mu-more:hover{color:var(--mu-blue)}
.about-visual{min-height:420px;position:relative;overflow:hidden;background:linear-gradient(135deg,#b8860b,#6e5310)}
.about-visual .fill-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.about-visual .num-tag{position:absolute;right:28px;bottom:24px;font-size:64px;font-weight:700;color:rgba(255,255,255,.4);text-shadow:0 2px 12px rgba(0,0,0,.35);z-index:2}

/* ================= Get in touch ================= */
.touch-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.touch-card{border-radius:var(--mu-radius);overflow:hidden;background:var(--mu-bg-soft);transition:transform .3s,box-shadow .3s}
.touch-card:hover{transform:translateY(-6px);box-shadow:var(--mu-shadow)}
.touch-card .pic{aspect-ratio:16/10;position:relative;overflow:hidden;background:linear-gradient(135deg,#c9a227,#8a6d1d)}
.touch-card .pic .fill-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s}
.touch-card:hover .pic .fill-img{transform:scale(1.05)}
.touch-card .body{padding:28px}
.touch-card h3{font-size:22px;font-weight:500;margin-bottom:20px;line-height:1.4}
.touch-card .mu-more{font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:10px}
.touch-card .mu-more:hover{color:var(--mu-blue)}

/* ================= 留言表单 ================= */
.msg-section{background:#fff}
.msg-section .mu-head h2{color:var(--mu-dark)}
.msg-form{display:flex;flex-direction:column;gap:20px}
.form-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.form-row.cols-2{grid-template-columns:2fr 1fr}
.form-group{display:flex;flex-direction:column;gap:8px}
.form-group label{font-size:13px;font-weight:600;color:var(--mu-dark)}
.form-group label span{color:#d64545;margin-left:2px}
.form-group input,.form-group select,.form-group textarea{width:100%;background:#fff;border:1px solid var(--mu-line);border-radius:10px;padding:13px 16px;color:var(--mu-dark);font-size:14px;font-family:inherit;outline:none;transition:border-color .2s,box-shadow .2s}
.form-group input::placeholder,.form-group textarea::placeholder{color:#98a2b3}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--mu-blue);box-shadow:0 0 0 3px rgba(201,162,39,.15)}
.form-group select{appearance:none;-webkit-appearance:none;cursor:pointer;background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23667085' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center}
.form-group textarea{min-height:130px;resize:vertical}
.form-group-captcha .captcha-row{display:flex;gap:12px;align-items:center}
.form-group-captcha .captcha-input{flex:1}
.form-group-captcha .captcha-img{height:46px;border-radius:8px;cursor:pointer;flex:none}
.form-submit{display:flex;gap:14px;margin-top:6px}
.btn-submit{background:var(--mu-blue);color:#fff;border:none;font-size:15px;font-weight:600;padding:15px 42px;border-radius:10px;cursor:pointer;display:inline-flex;align-items:center;gap:10px;transition:background .2s,transform .2s}
.btn-submit:hover{background:var(--mu-blue-deep);transform:translateY(-2px)}
.btn-reset{background:#fff;color:var(--mu-gray);border:1px solid var(--mu-line);font-size:15px;font-weight:500;padding:15px 34px;border-radius:10px;cursor:pointer;transition:border-color .2s,color .2s}
.btn-reset:hover{border-color:var(--mu-gray);color:var(--mu-dark)}
.form-tips{display:flex;flex-wrap:wrap;justify-content:center;gap:10px 30px;margin-top:30px;padding-top:24px;border-top:1px solid var(--mu-line)}
.form-tips p{font-size:13px;color:var(--mu-gray);display:flex;align-items:center;gap:8px;margin:0}
.form-tips i{color:var(--mu-blue);font-size:14px}

/* ================= 留言页（仅 message.html，首页表单不受影响） ================= */
.msg-page{position:relative;overflow:hidden;background:linear-gradient(180deg,#fbfaf6 0%,#ffffff 100%)}
.msg-page::before{content:"";position:absolute;right:-150px;top:-150px;width:440px;height:440px;border-radius:50%;background:radial-gradient(circle,rgba(201,162,39,.15),transparent 70%);pointer-events:none}
.msg-page::after{content:"";position:absolute;left:-170px;bottom:-170px;width:480px;height:480px;border-radius:50%;background:radial-gradient(circle,rgba(201,162,39,.11),transparent 70%);pointer-events:none}
.msg-card{position:relative;z-index:1;background:#fff;border:none;border-radius:20px;box-shadow:none;padding:56px 56px 50px}
.msg-card::before{display:none}
.msg-card-head{text-align:center;margin-bottom:46px}
.msg-card-head h3{font-size:26px;font-weight:700;color:var(--mu-dark);letter-spacing:-.3px}
.msg-card-head p{margin-top:12px;font-size:14px;color:var(--mu-gray)}
.msg-card-head .line{width:56px;height:3px;border-radius:2px;background:linear-gradient(90deg,#c9a227,#8a6d1d);margin:22px auto 0}
.msg-page .form-group input,.msg-page .form-group select,.msg-page .form-group textarea{background:#fcfcfd;padding:15px 18px;border-radius:12px}
.msg-page .form-group input:hover,.msg-page .form-group select:hover,.msg-page .form-group textarea:hover{border-color:#d5dae2}
.msg-page .form-group input:focus,.msg-page .form-group select:focus,.msg-page .form-group textarea:focus{background:#fff;box-shadow:0 0 0 4px rgba(201,162,39,.13)}
.msg-page .form-group textarea{min-height:170px}
.msg-page .form-submit{justify-content:center;margin-top:10px}
.msg-page .btn-submit{padding:16px 58px;box-shadow:0 12px 28px rgba(201,162,39,.28)}
.msg-page .btn-reset{padding:16px 42px}
.msg-page .form-tips{margin-top:34px}

/* ================= 页脚 ================= */
.site-footer{background:#0b1120;color:rgba(255,255,255,.65);padding:56px 0 0;font-size:14px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px}
.foot-grid h4{color:#fff;font-size:15px;margin-bottom:18px;font-weight:600}
.foot-grid ul li{margin-bottom:10px}
.foot-grid a:hover{color:#fff}
.foot-brand .logo-text{color:#fff;font-size:22px;font-weight:700;margin-bottom:14px;display:block}
.foot-brand p{line-height:1.9}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;text-align:center;font-size:13px;color:rgba(255,255,255,.45)}

/* ================= 移动端抽屉导航 ================= */
.m-drawer{position:fixed;inset:0;z-index:1900;pointer-events:none}
.m-drawer .mask{position:absolute;inset:0;background:rgba(10,15,30,.5);opacity:0;transition:opacity .3s}
.m-drawer .panel{position:absolute;top:0;right:0;bottom:0;width:min(320px,84vw);background:#fff;transform:translateX(100%);transition:transform .3s;overflow-y:auto;padding:20px}
.m-drawer.open{pointer-events:auto}
.m-drawer.open .mask{opacity:1}
.m-drawer.open .panel{transform:translateX(0)}
.m-drawer .close-drawer{width:40px;height:40px;border-radius:10px;background:#f2f4f7;margin-bottom:14px;font-size:16px}
.m-drawer .m-row{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--mu-line)}
.m-drawer .m-link{flex:1;padding:13px 6px;font-size:15px;font-weight:500}
.m-drawer .m-toggle{width:46px;height:46px;flex:none;display:flex;align-items:center;justify-content:center;color:var(--mu-gray);font-size:14px;transition:color .2s}
.m-drawer .m-toggle:hover{color:var(--mu-dark)}
.m-drawer .m-sub{padding:4px 0 10px 16px;display:none}
.m-drawer .m-item.open .m-sub{display:block}
.m-drawer .m-sub a{display:block;padding:8px 0;color:var(--mu-gray);font-size:14px}
.m-drawer .m-arrow{transition:transform .3s;color:var(--mu-gray)}
.m-drawer .m-item.open .m-arrow{transform:rotate(180deg)}

/* ================= 内页通用：栏目大图 ================= */
.page-banner{position:relative;height:420px;overflow:hidden;background:linear-gradient(120deg,#1c1610,#3d2f12 55%,#6b5314);display:flex;align-items:flex-end}
.page-banner-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;animation:bannerZoom 9s ease-out forwards}
@keyframes bannerZoom{from{transform:scale(1.12)}to{transform:scale(1)}}
.page-banner::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,16,32,.55) 0%,rgba(10,16,32,.25) 45%,rgba(10,16,32,.75) 100%)}
.page-banner-inner{position:relative;z-index:2;width:100%;padding-bottom:52px;color:#fff}
.page-banner-inner h1{font-size:clamp(28px,3.4vw,44px);font-weight:700;letter-spacing:-.5px;animation:fadeUp .7s ease both}
.page-banner-inner .pb-sub{margin-top:10px;font-size:15px;opacity:.85;letter-spacing:2px;text-transform:uppercase;animation:fadeUp .7s .12s ease both}
.page-banner-crumb{margin-top:22px;display:flex;align-items:center;gap:10px;font-size:13px;animation:fadeUp .7s .2s ease both}
.page-banner-crumb a{opacity:.75;transition:opacity .2s}
.page-banner-crumb a:hover{opacity:1}
.page-banner-crumb i{font-style:normal;opacity:.5;font-size:11px}
.page-banner-crumb .cur{color:var(--mu-blue);font-weight:600}

/* ================= 滚动进入动效 ================= */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .8s ease,transform .8s ease}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.1s}.reveal.d2{transition-delay:.2s}.reveal.d3{transition-delay:.3s}.reveal.d4{transition-delay:.4s}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ================= 内页通用区块 ================= */
.inner-section{padding:70px 0}
.chip-nav{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:36px}
.chip-nav a{padding:9px 22px;border:1px solid var(--mu-line);border-radius:999px;font-size:14px;color:var(--mu-gray);background:#fff;transition:all .25s}
.chip-nav a:hover{border-color:var(--mu-blue);color:var(--mu-blue);transform:translateY(-2px)}
.chip-nav a.active{background:var(--mu-blue);border-color:var(--mu-blue);color:#fff}

/* ================= 分页 ================= */
.pagination{display:flex;justify-content:center;align-items:center;gap:8px;margin-top:52px;flex-wrap:wrap}
.pagination a,.pagination span{min-width:42px;height:42px;display:inline-flex;align-items:center;justify-content:center;padding:0 14px;border:1px solid var(--mu-line);border-radius:10px;font-size:14px;color:var(--mu-gray);background:#fff;transition:all .25s}
.pagination a:hover{border-color:var(--mu-blue);color:var(--mu-blue);transform:translateY(-2px)}
.pagination span.current{background:var(--mu-blue);border-color:var(--mu-blue);color:#fff;font-weight:600}
.pagination span.disabled{opacity:.45;cursor:not-allowed}

/* ================= 详情页排版 ================= */
.detail-wrap{max-width:880px;margin:0 auto}
.detail-head{text-align:center;margin-bottom:40px}
.detail-head h1{font-size:clamp(24px,2.6vw,34px);font-weight:700;line-height:1.45;letter-spacing:-.5px}
.detail-meta{display:flex;justify-content:center;flex-wrap:wrap;gap:10px 24px;margin-top:20px;color:var(--mu-gray);font-size:13.5px}
.detail-meta .tag{background:var(--mu-bg-soft);border:1px solid var(--mu-line);border-radius:999px;padding:4px 16px;color:var(--mu-blue-deep);font-weight:600}
.detail-meta i{margin-right:5px;color:var(--mu-blue)}
.detail-body{font-size:16px;line-height:2;color:#344054}
.detail-body p{margin-bottom:18px}
.detail-body img{border-radius:var(--mu-radius);margin:26px auto}
.detail-body h2,.detail-body h3{color:var(--mu-dark);margin:34px 0 16px;font-weight:600}
.detail-body ul,.detail-body ol{padding-left:24px;margin-bottom:18px}
.detail-body ul li{list-style:disc;margin-bottom:8px}
.detail-body ol li{list-style:decimal;margin-bottom:8px}
.detail-body blockquote{border-left:3px solid var(--mu-blue);background:var(--mu-bg-soft);padding:16px 22px;border-radius:0 10px 10px 0;margin-bottom:18px;color:#475467}
.detail-body a{color:var(--mu-blue-deep)}
.detail-body table{width:100%;border-collapse:collapse;margin-bottom:18px}
.detail-body table td,.detail-body table th{border:1px solid var(--mu-line);padding:10px 14px}
.detail-tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:40px;padding-top:26px;border-top:1px solid var(--mu-line);font-size:13.5px;color:var(--mu-gray)}
.detail-tag-item a{display:inline-block;background:var(--mu-bg-soft);border:1px solid var(--mu-line);border-radius:999px;padding:5px 16px;color:var(--mu-gray);font-size:13px;transition:all .25s}
.detail-tag-item a:hover{border-color:var(--mu-blue);color:var(--mu-blue)}
.detail-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:46px}
.detail-nav a{display:flex;align-items:center;gap:14px;border:1px solid var(--mu-line);border-radius:12px;padding:18px 22px;font-size:14px;color:var(--mu-gray);background:#fff;transition:all .25s;min-width:0}
.detail-nav a:hover{border-color:var(--mu-blue);box-shadow:var(--mu-shadow);transform:translateY(-2px)}
.detail-nav a .nav-title{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--mu-dark);font-weight:500}
.detail-nav a.next{justify-content:flex-end;text-align:right}
.detail-nav a i{color:var(--mu-blue);flex:none}

/* ================= 产品详情：左图集 + 右简介 ================= */
.pdp{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:start}
.pdp-gallery{position:sticky;top:110px}
.pdp-stage{position:relative;aspect-ratio:1/1;border-radius:var(--mu-radius);overflow:hidden;background:var(--mu-bg-soft);border:1px solid var(--mu-line)}
.pdp-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transform:scale(1.03);transition:opacity .5s ease,transform .6s ease}
.pdp-img.active{opacity:1;transform:scale(1)}
.pdp-thumbs{display:flex;gap:12px;margin-top:16px;flex-wrap:wrap}
.pdp-thumb{width:84px;height:84px;flex:none;border-radius:10px;overflow:hidden;border:1px solid var(--mu-line);background:var(--mu-bg-soft);padding:0;transition:all .25s}
.pdp-thumb img{width:100%;height:100%;object-fit:cover}
.pdp-thumb:hover{border-color:var(--mu-blue);transform:translateY(-3px)}
.pdp-thumb.active{border-color:var(--mu-blue);box-shadow:0 0 0 2px rgba(201,162,39,.3)}
.pdp-info{padding-top:8px}
.pdp-info h1{font-size:clamp(24px,2.4vw,32px);font-weight:700;line-height:1.4;letter-spacing:-.4px}
.pdp-sub{margin-top:12px;font-size:14px;color:var(--mu-blue-deep);letter-spacing:1.5px;text-transform:uppercase}
.pdp-line{width:56px;height:3px;border-radius:2px;background:linear-gradient(90deg,#c9a227,#8a6d1d);margin:22px 0}
.pdp-desc-text{font-size:15.5px;line-height:2;color:#475467}
.pdp-features{margin:28px 0;display:flex;flex-direction:column;gap:12px}
.pdp-features li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:#344054}
.pdp-features i{color:var(--mu-blue);margin-top:5px}
.pdp-contact{background:var(--mu-bg-soft);border:1px solid var(--mu-line);border-radius:12px;padding:22px 24px;margin-bottom:26px}
.pdp-contact p{font-size:14px;color:var(--mu-gray);display:flex;align-items:center;gap:10px;margin-bottom:10px}
.pdp-contact p:last-child{margin-bottom:0}
.pdp-contact i{color:var(--mu-blue);width:16px;text-align:center}
.pdp-contact b{color:var(--mu-dark);font-weight:600}
.pdp-btns{display:flex;gap:14px;flex-wrap:wrap}
.pdp-btns a,.pdp-btns button{display:inline-flex;align-items:center;gap:10px;padding:15px 34px;border-radius:10px;font-size:15px;font-weight:600;transition:all .25s;border:none;cursor:pointer;font-family:inherit}
.pdp-btns .bt-primary{background:var(--mu-blue);color:#fff}
.pdp-btns .bt-primary:hover{background:var(--mu-blue-deep);transform:translateY(-2px)}
.pdp-btns .bt-ghost{border:1px solid var(--mu-line);color:var(--mu-dark);background:#fff}
.pdp-btns .bt-ghost:hover{border-color:var(--mu-dark);transform:translateY(-2px)}
.pdp-detail{margin-top:80px}
.pdp-detail-head{display:flex;align-items:center;gap:16px;margin-bottom:34px}
.pdp-detail-head h2{font-size:26px;font-weight:600;color:var(--mu-dark);white-space:nowrap}
.pdp-detail-head::after{content:"";flex:1;height:1px;background:var(--mu-line)}

/* ================= 列表一行4个 ================= */
.card-grid.cols-4{grid-template-columns:repeat(4,1fr)}
.case-grid.cols-4{grid-template-columns:repeat(4,1fr)}
.prod-grid.cols-4{grid-template-columns:repeat(4,1fr)}

/* ================= 文章详情页（新闻） ================= */
.article-wrap{width:100%}
.article-title{font-size:clamp(22px,2.2vw,30px);font-weight:700;line-height:1.45;letter-spacing:-.4px;color:var(--mu-dark);text-align:center;margin-bottom:44px}
.article-title::after{content:"";display:block;width:56px;height:3px;border-radius:2px;background:linear-gradient(90deg,#c9a227,#8a6d1d);margin:22px auto 0}
.article-title.reveal{transform:translateY(24px)}
.article-meta-bar{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:12px 26px;font-size:13.5px;color:var(--mu-gray);padding-bottom:26px;border-bottom:1px solid var(--mu-line);margin-bottom:50px}
.article-meta-bar .tag{background:var(--mu-blue);color:#fff;border-radius:999px;padding:5px 18px;font-weight:600;font-size:12.5px}
.article-meta-bar i{color:var(--mu-blue);margin-right:6px}
.article-lead{position:relative;background:var(--mu-bg-soft);border-left:3px solid var(--mu-blue);border-radius:0 12px 12px 0;padding:22px 28px;margin-bottom:36px;font-size:15.5px;line-height:1.9;color:#475467}
.article-foot{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;margin-top:46px;padding-top:28px;border-top:1px solid var(--mu-line)}
.back-list{display:inline-flex;align-items:center;gap:10px;font-size:14px;font-weight:600;color:var(--mu-dark);transition:color .2s,gap .2s}
.back-list:hover{color:var(--mu-blue);gap:16px}
.related{margin-top:84px}
.related-head{display:flex;align-items:center;gap:16px;margin-bottom:34px}
.related-head h2{font-size:26px;font-weight:600;color:var(--mu-dark);white-space:nowrap}
.related-head::after{content:"";flex:1;height:1px;background:var(--mu-line)}

/* ================= 案例详情页 ================= */
.case-facts{display:grid;grid-template-columns:repeat(3,1fr);margin-bottom:52px;background:linear-gradient(135deg,#fffdf7,#f8f2e4);border:1px solid rgba(201,162,39,.25);border-radius:16px;overflow:hidden}
.case-fact{display:flex;align-items:center;gap:16px;padding:28px 30px;position:relative}
.case-fact+.case-fact::before{content:"";position:absolute;left:0;top:24%;bottom:24%;width:1px;background:rgba(201,162,39,.25)}
.case-fact i{width:48px;height:48px;flex:none;border-radius:14px;background:#fff;color:var(--mu-blue);display:flex;align-items:center;justify-content:center;font-size:18px;box-shadow:0 6px 16px rgba(201,162,39,.16)}
.case-fact span{display:block;font-size:12.5px;color:var(--mu-gray);margin-bottom:5px;letter-spacing:.5px}
.case-fact b{font-size:16px;color:var(--mu-dark);font-weight:600;word-break:break-all;line-height:1.4}
.case-gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:18px;margin-bottom:46px}
.case-gallery .gitem{border-radius:var(--mu-radius);overflow:hidden;background:var(--mu-bg-soft);border:1px solid var(--mu-line)}
.case-gallery .gitem img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .55s}
.case-gallery .gitem:hover img{transform:scale(1.05)}

/* ================= 产品图集大图弹窗（灯箱） ================= */
.pdp-lightbox{position:fixed;inset:0;z-index:3500;background:rgba(9,12,20,.94);display:none;align-items:center;justify-content:center;padding:4vh 4vw}
.pdp-lightbox.open{display:flex}
.pdp-lightbox .lb-stage{display:flex;align-items:center;justify-content:center;animation:lbIn .35s ease}
@keyframes lbIn{from{opacity:0;transform:scale(.94)}to{opacity:1;transform:none}}
.pdp-lightbox .lb-stage img{max-width:92vw;max-height:86vh;border-radius:12px;object-fit:contain;background:#fff;box-shadow:0 24px 60px rgba(0,0,0,.5)}
.pdp-lightbox .lb-close{position:absolute;top:26px;right:32px;width:48px;height:48px;border-radius:50%;background:rgba(255,255,255,.12);color:#fff;font-size:20px;display:flex;align-items:center;justify-content:center;transition:background .25s}
.pdp-lightbox .lb-close:hover{background:rgba(255,255,255,.26)}
.pdp-lightbox .lb-nav{position:absolute;top:50%;transform:translateY(-50%);width:56px;height:56px;border-radius:50%;background:rgba(255,255,255,.12);color:#fff;font-size:20px;display:flex;align-items:center;justify-content:center;transition:background .25s,transform .25s}
.pdp-lightbox .lb-nav:hover{background:var(--mu-blue);transform:translateY(-50%) scale(1.07)}
.pdp-lightbox .lb-prev{left:3vw}
.pdp-lightbox .lb-next{right:3vw}
.pdp-lightbox .lb-nav.is-hidden{display:none}
.pdp-lightbox .lb-counter{position:absolute;bottom:4.5vh;left:50%;transform:translateX(-50%);color:rgba(255,255,255,.75);font-size:14px;letter-spacing:2px}
body.lb-open{overflow:hidden}

/* ================= 询价弹窗 ================= */
.pdp-modal{position:fixed;inset:0;z-index:3000;background:rgba(13,20,38,.62);display:none;align-items:flex-start;justify-content:center;padding:5vh 24px;overflow-y:auto}
.pdp-modal.open{display:flex}
.pdp-modal-panel{width:min(760px,100%);background:#fff;border-radius:18px;padding:38px 40px 34px;position:relative;animation:modalIn .35s ease}
@keyframes modalIn{from{opacity:0;transform:translateY(26px) scale(.98)}to{opacity:1;transform:none}}
.pdp-modal-close{position:absolute;top:16px;right:20px;width:38px;height:38px;border-radius:50%;font-size:18px;color:#98a2b3;display:flex;align-items:center;justify-content:center;transition:all .2s}
.pdp-modal-close:hover{background:#f2f4f7;color:var(--mu-dark)}
.pdp-modal-head{margin-bottom:26px;padding-right:46px}
.pdp-modal-head h3{font-size:22px;font-weight:700;color:var(--mu-dark);margin-bottom:8px}
.pdp-modal-head p{font-size:13.5px;color:var(--mu-gray)}
.pdp-modal .form-group input[readonly]{background:var(--mu-bg-soft);color:var(--mu-blue-deep);font-weight:600;cursor:default}
body.modal-open{overflow:hidden}

/* ================= 通用提示弹窗（留言/询价反馈） ================= */
.custom-toast-overlay{position:fixed;inset:0;z-index:3200;background:rgba(13,20,38,.55);display:none;align-items:center;justify-content:center}
.custom-toast-overlay.active{display:flex}
.custom-toast{width:min(420px,90vw);background:#fff;border-radius:16px;padding:40px 34px 30px;text-align:center;position:relative;animation:modalIn .35s ease}
.custom-toast-close{position:absolute;top:14px;right:18px;font-size:22px;color:#98a2b3}
.custom-toast-icon{width:72px;height:72px;margin:0 auto 18px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:34px;color:#fff;background:linear-gradient(135deg,#c9a227,#8a6d1d)}
.custom-toast-icon.fail{background:linear-gradient(135deg,#e05d5d,#b03030)}
.custom-toast-title{font-size:20px;font-weight:700;color:var(--mu-dark);margin-bottom:10px}
.custom-toast-text{font-size:14px;color:var(--mu-gray);line-height:1.8;margin-bottom:24px}
.custom-toast-btn{background:var(--mu-blue);color:#fff;font-size:15px;font-weight:600;padding:12px 46px;border-radius:999px;transition:background .2s}
.custom-toast-btn:hover{background:var(--mu-blue-deep)}

/* ================= 案例网格 ================= */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.case-card{position:relative;border-radius:var(--mu-radius);overflow:hidden;background:var(--mu-bg-soft);transition:transform .35s,box-shadow .35s;display:block}
.case-card:hover{transform:translateY(-6px);box-shadow:var(--mu-shadow)}
.case-card .media{aspect-ratio:4/3;overflow:hidden}
.case-card .media img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.case-card:hover .media img{transform:scale(1.07)}
.case-card .cbody{padding:20px 22px}
.case-card h3{font-size:16px;font-weight:600;color:var(--mu-dark);transition:color .25s}
.case-card:hover h3{color:var(--mu-blue)}
.case-card .ctag{position:absolute;top:14px;left:14px;z-index:2;background:rgba(201,162,39,.95);color:#fff;font-size:12px;font-weight:600;padding:5px 14px;border-radius:999px}

/* ================= 下载列表 ================= */
.dl-list{display:flex;flex-direction:column;gap:14px}
.dl-item{display:flex;align-items:center;gap:20px;background:#fff;border:1px solid var(--mu-line);border-radius:14px;padding:20px 24px;transition:all .25s}
.dl-item:hover{border-color:var(--mu-blue);box-shadow:var(--mu-shadow);transform:translateY(-2px)}
.dl-icon{width:52px;height:52px;flex:none;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:22px;color:#fff;background:linear-gradient(135deg,#c9a227,#8a6d1d)}
.dl-icon.dl-icon-pdf{background:linear-gradient(135deg,#e05d5d,#b03030)}
.dl-icon.dl-icon-doc{background:linear-gradient(135deg,#5b8def,#2f54c4)}
.dl-icon.dl-icon-xls{background:linear-gradient(135deg,#4caf7d,#1f7a4d)}
.dl-icon.dl-icon-ppt{background:linear-gradient(135deg,#f2a144,#d9700f)}
.dl-icon.dl-icon-zip{background:linear-gradient(135deg,#9a86f0,#5b43c9)}
.dl-body{flex:1;min-width:0}
.dl-name{font-size:15.5px;font-weight:600;color:var(--mu-dark);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.dl-yearmonth{font-size:12.5px;color:var(--mu-gray);font-weight:400;margin-right:12px}
.dl-meta{display:flex;flex-wrap:wrap;gap:6px 22px;margin-top:6px;font-size:12.5px;color:var(--mu-gray)}
.dl-meta i{margin-right:5px;color:var(--mu-blue)}
.dl-btn{flex:none;display:inline-flex;align-items:center;gap:8px;background:var(--mu-blue);color:#fff;font-size:13.5px;font-weight:600;padding:10px 22px;border-radius:999px;transition:background .25s,transform .25s}
.dl-btn:hover{background:var(--mu-blue-deep);transform:translateY(-2px)}

/* ================= 联系页面 ================= */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:22px;margin-bottom:50px}
.contact-card{display:flex;gap:18px;align-items:flex-start;background:#fff;border:1px solid var(--mu-line);border-radius:14px;padding:26px;transition:all .3s}
.contact-card:hover{transform:translateY(-4px);box-shadow:var(--mu-shadow);border-color:var(--mu-blue)}
.contact-card-icon{width:52px;height:52px;flex:none;border-radius:12px;background:linear-gradient(135deg,#c9a227,#8a6d1d);color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px}
.contact-card-body h4{font-size:15px;font-weight:600;color:var(--mu-dark);margin-bottom:6px}
.contact-card-body p{font-size:14px;color:var(--mu-gray);word-break:break-all}
.contact-map{position:relative;border-radius:var(--mu-radius);overflow:hidden;cursor:pointer}
.contact-map img{width:100%;height:340px;object-fit:cover;display:block;filter:blur(3px);transition:filter .4s}
.contact-map:hover img{filter:blur(1px)}
.contact-map .map-overlay{position:absolute;inset:0;background:rgba(13,20,38,.35)}
.contact-map .map-icon-wrap{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;color:#fff}
.contact-map .map-icon-marker{font-size:44px;color:var(--mu-blue);filter:drop-shadow(0 6px 14px rgba(0,0,0,.4));animation:markerFloat 2.2s ease-in-out infinite}
@keyframes markerFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
.contact-map .map-hint-text{font-size:14px;font-weight:500;background:rgba(13,20,38,.55);padding:8px 22px;border-radius:999px;backdrop-filter:blur(4px)}

/* ================= 联系我们（左信息 / 右地图） ================= */
.contact-cols{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:40px;align-items:stretch}
.ct-panel{background:linear-gradient(180deg,#fffdf7,#ffffff);border-radius:20px;padding:38px 34px 32px}
.ct-head{margin-bottom:26px}
.ct-head h3{font-size:24px;font-weight:700;color:var(--mu-dark);letter-spacing:-.3px}
.ct-head p{margin-top:9px;font-size:12px;letter-spacing:3px;color:var(--mu-gray);text-transform:uppercase}
.ct-head .line{width:48px;height:3px;border-radius:2px;background:linear-gradient(90deg,#c9a227,#8a6d1d);margin-top:18px}
.ct-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.ct-item{position:relative;display:flex;gap:15px;align-items:flex-start;padding:18px 20px;border-radius:14px;background:#fff;border:1px solid rgba(201,162,39,.18);overflow:hidden;transition:all .3s}
.ct-item.full{grid-column:1/-1}
.ct-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:linear-gradient(180deg,#c9a227,#8a6d1d);transform:scaleY(0);transform-origin:top;transition:transform .35s ease}
.ct-item:hover{border-color:var(--mu-blue);box-shadow:0 12px 28px rgba(201,162,39,.16);transform:translateY(-3px)}
.ct-item:hover::before{transform:scaleY(1)}
.ct-item .ct-link{margin-left:auto;align-self:center;flex:none;display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--mu-blue-deep);transition:gap .25s}
.ct-item .ct-link:hover{gap:14px}
.ct-item .ico{width:48px;height:48px;flex:none;border-radius:50%;background:#faf3e0;color:var(--mu-blue);display:flex;align-items:center;justify-content:center;font-size:18px;transition:all .3s}
.ct-item:hover .ico{background:linear-gradient(135deg,#c9a227,#8a6d1d);color:#fff;transform:scale(1.06)}
.ct-item .txt{min-width:0;padding-top:3px}
.ct-item span{display:block;font-size:12px;color:var(--mu-gray);letter-spacing:.8px;margin-bottom:5px}
.ct-item b{font-size:15.5px;color:var(--mu-dark);font-weight:600;word-break:break-all;line-height:1.55}
.ct-item b a{transition:color .2s}
.ct-item b a:hover{color:var(--mu-blue)}
.ct-item .qr{margin-top:12px;width:132px;height:132px;border-radius:12px;border:1px solid var(--mu-line);object-fit:contain;background:#fff;padding:6px;display:block}
.ct-item .qr-text{display:none;font-size:14px;color:var(--mu-gray);font-weight:400}
.ct-map{position:relative;height:100%}
.ct-map .contact-map{height:100%}
.ct-map .contact-map .map-link{display:block;height:100%}
.ct-map .contact-map img{height:100%}

/* ================= 关于/单页正文 ================= */
.about-article{font-size:16.5px;line-height:2.1;color:#344054;padding:10px 0}
.about-article p{margin-bottom:20px}
.about-article p:first-of-type{font-size:18.5px;line-height:2;color:#1d2939}
.about-article img{border-radius:var(--mu-radius);margin:32px auto;box-shadow:0 12px 34px rgba(16,24,40,.1)}
.about-article h2{position:relative;font-size:26px;color:var(--mu-dark);margin:48px 0 22px;padding-left:20px;font-weight:600;letter-spacing:-.3px}
.about-article h2::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:5px;height:26px;border-radius:3px;background:linear-gradient(180deg,#c9a227,#8a6d1d)}
.about-article h3{font-size:20px;color:var(--mu-dark);margin:34px 0 16px;font-weight:600}
.about-article h3::before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--mu-blue);margin-right:10px;vertical-align:middle}
.about-article ul,.about-article ol{padding-left:24px;margin-bottom:20px}
.about-article ul li{list-style:none;position:relative;margin-bottom:10px;padding-left:6px}
.about-article ul li::before{content:"";position:absolute;left:-14px;top:13px;width:6px;height:6px;border-radius:50%;background:var(--mu-blue)}
.about-article ol li{list-style:decimal;margin-bottom:10px}
.about-article blockquote{border-left:3px solid var(--mu-blue);background:var(--mu-bg-soft);padding:20px 26px;border-radius:0 12px 12px 0;margin:26px 0;color:#475467}
.about-article a{color:var(--mu-blue-deep);border-bottom:1px solid rgba(201,162,39,.4);transition:border-color .25s}
.about-article a:hover{border-color:var(--mu-blue-deep)}
.about-article table{width:100%;border-collapse:collapse;margin:26px 0}
.about-article table th{background:var(--mu-bg-soft);color:var(--mu-dark);font-weight:600}
.about-article table td,.about-article table th{border:1px solid var(--mu-line);padding:12px 16px;text-align:left}

/* ================= 内页响应式 ================= */
@media (max-width:1200px){
  .card-grid.cols-4{grid-template-columns:repeat(3,1fr)}
  .case-grid.cols-4{grid-template-columns:repeat(3,1fr)}
  .prod-grid.cols-4{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:992px){
  .case-grid{grid-template-columns:repeat(2,1fr)}
  .page-banner{height:340px}
  .pdp{grid-template-columns:1fr;gap:34px}
  .pdp-gallery{position:static}
  .pdp-detail{margin-top:56px}
  .card-grid.cols-4{grid-template-columns:repeat(2,1fr)}
  .case-grid.cols-4{grid-template-columns:repeat(2,1fr)}
  .prod-grid.cols-4{grid-template-columns:repeat(2,1fr)}
  .case-facts{grid-template-columns:1fr}
  .case-fact+.case-fact::before{left:30px;right:30px;top:0;bottom:auto;width:auto;height:1px}
  .contact-cols{grid-template-columns:1fr;gap:28px}
  .ct-map{position:static}
  .ct-map .contact-map img{height:320px}
  .ct-panel{padding:26px 18px 18px}
  .ct-list{grid-template-columns:1fr;gap:10px}
  .ct-item{padding:15px 14px;gap:13px}
  .ct-item .ico{width:42px;height:42px;font-size:15px}
}
@media (max-width:640px){
  .page-banner{height:260px}
  .page-banner-inner{padding-bottom:36px}
  .inner-section{padding:50px 0}
  .case-grid{grid-template-columns:1fr}
  .detail-nav{grid-template-columns:1fr}
  .about-article{padding:30px 22px}
  .dl-item{flex-wrap:wrap}
  .dl-btn{width:100%;justify-content:center}
  .pdp-modal{padding:20px 14px}
  .pdp-modal-panel{padding:28px 22px 24px}
  .pdp-lightbox .lb-nav{width:44px;height:44px;font-size:17px}
  .pdp-lightbox .lb-prev{left:10px}
  .pdp-lightbox .lb-next{right:10px}
  .pdp-lightbox .lb-close{top:14px;right:14px;width:42px;height:42px}
  .msg-card{padding:32px 22px 28px;border-radius:0}
  .msg-card-head h3{font-size:22px}
  .msg-page .btn-submit,.msg-page .btn-reset{padding:15px 30px}
  .card-grid.cols-4{grid-template-columns:1fr}
  .case-grid.cols-4{grid-template-columns:1fr}
  .prod-grid.cols-4{grid-template-columns:repeat(2,1fr)}
  .case-facts{grid-template-columns:1fr}
  .case-gallery{grid-template-columns:1fr}
}

/* ================= 响应式 ================= */
@media (max-width:1200px){
  .prod-grid{grid-template-columns:repeat(4,1fr)}
  .wwd-card{flex:0 0 calc((100% - 44px)/3)}
}
@media (max-width:992px){
  .mainnav{display:none}
  .hd-toggle{display:flex}
  .stats-grid{grid-template-columns:repeat(3,1fr)}
  .prod-grid{grid-template-columns:repeat(3,1fr)}
  .wwd-card{flex:0 0 calc((100% - 22px)/2)}
  .card-grid,.touch-grid{grid-template-columns:1fr 1fr}
  .form-row{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .about-panel{grid-template-columns:1fr}
  .about-visual{min-height:280px}
}
@media (max-width:640px){
  .topbar .mu-container span:first-child{display:none}
  .topbar .mu-container{justify-content:flex-end}
  .mu-section{padding:60px 0}
  .mu-head h2{font-size:26px}
  .hero{height:88vh;min-height:480px}
  .hero-caption{bottom:14%}
  .hero-links{gap:24px;margin-top:30px}
  .hero-dots{right:24px;bottom:14%}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:26px 20px}
  .prod-grid{grid-template-columns:repeat(2,1fr)}
  .wwd-card{flex:0 0 88%}
  .card-grid,.touch-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:repeat(2,1fr)}
  .form-row.cols-2{grid-template-columns:1fr}
  .form-submit{flex-direction:column}
  .btn-submit,.btn-reset{width:100%;justify-content:center;text-align:center}
  .foot-grid{grid-template-columns:1fr}
  .about-text{padding:40px 26px}
  .search-overlay .close-search{top:20px;right:20px}
  .search-overlay input{font-size:22px}
}