/* ========== 基础重置 & 变量 ========== */
*{margin:0;padding:0;box-sizing:border-box}
:root{
  --green:#2e7d4f;          /* 主品牌绿 */
  --green-dark:#1b5e3b;
  --green-deep:#143d28;     /* 底部深色 */
  --green-light:#f2f7f4;    /* 浅绿背景 */
  --green-text:#6a9e7f;
  --orange:#f2a33c;
  --orange-dark:#e08c25;
  --gray:#666;
  --gray-light:#999;
  --radius-lg:20px;
  --radius:12px;
  --shadow:0 12px 36px rgba(20,61,40,.12);
  --shadow-lg:0 20px 50px rgba(20,61,40,.18);
  --hero-bg-image:url('../images/hero-bg.png'); /* 内页标题区背景图：替换 images/hero-bg.png 即可 */
}
html{scroll-behavior:smooth}
body{
  font-family:"Microsoft YaHei","PingFang SC","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
  color:#333;line-height:1.7;background:#fff;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
ul{list-style:none}
/* 主显示区域：默认内容宽度 1400px（不含 padding/margin）。
   全局 box-sizing:border-box 下 max-width 会包含 padding，故设为 1400 + 40*2 = 1480px，使实际内容宽为 1400px。 */
.container{max-width:1680px;margin:0 auto;padding:0 40px}

/* ========== 顶部导航（初始悬浮于图片之上，滚动后固定悬浮顶部） ========== */
.site-header{
  position:absolute;top:0;left:0;right:0;z-index:100;
  background:rgba(255,255,255,.6);   /* 与设计图一致：头部半透明白色背景 */
  transition:background .3s,box-shadow .3s;
}
/* 滚动后：固定悬浮在顶部，背景加深 + 轻微阴影，保证文字可读 */
.site-header.scrolled{position:fixed;background:rgba(255,255,255,1);box-shadow:0 4px 18px rgba(0,0,0,.08)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:120px}
.logo{display:flex;align-items:center}
.logo img{height:50px;width:auto;display:block}
/* 移动端菜单内的 logo：桌面端隐藏，仅在弹出菜单显示 */
.main-nav .mobile-logo{display:none}
.main-nav ul{display:flex;gap:15px}
.main-nav a{
  position:relative;display:flex;flex-direction:column;align-items:center;gap:1px;
  padding:10px 12px 12px;font-size:13px;color:#1a1a1a;transition:color .3s;
}
/* 中文与英文分行显示 */
.main-nav a b{font-weight:400;line-height:1.5;font-size:18px;}
.main-nav a span{font-size:16px;line-height:1.2;color:#777;font-weight:400;letter-spacing:.4px;transition:color .3s}
.main-nav a:hover span,.main-nav a.active span{color:#13a056}
/* 选中/悬停：文字变绿 + 文字下方一条绿色横线（无背景、无阴影） */
.main-nav a::after{
  content:"";position:absolute;left:50%;bottom:2px;width:0;height:3px;
  background:#13a056;border-radius:2px;transform:translateX(-50%);
  transition:width .3s;
}
.main-nav a:hover,.main-nav a.active{color:#13a056}
.main-nav a:hover::after,.main-nav a.active::after{width:60%}
/* 汉堡按钮：三条线，菜单打开时变为 X */
.nav-toggle{
  display:none;background:none;border:none;cursor:pointer;
  position:relative;z-index:101;width:40px;height:40px;color:#1a1a1a;
}
.nav-toggle span{
  position:absolute;left:9px;right:9px;height:2px;border-radius:2px;
  background:currentColor;transition:transform .3s,opacity .3s;
}
.nav-toggle span:nth-child(1){top:11px}
.nav-toggle span:nth-child(2){top:19px}
.nav-toggle span:nth-child(3){top:27px}
.nav-toggle.open span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
.header-actions{display:flex;align-items:center;gap:12px}
.search-btn{
  background:none;border:none;cursor:pointer;padding:6px;display:flex;align-items:center;
  color:#1a1a1a;transition:color .3s;
}
.search-btn:hover{color:#13a056}

/* ========== 搜索框（点击头部搜索图标展开） ========== */
.search-panel{
  position:fixed;top:90px;left:0;right:0;z-index:120;background:#fff;
  box-shadow:0 12px 30px rgba(0,0,0,.12);
  transform:translateY(-120%);visibility:hidden;transition:transform .35s ease,visibility .35s;
}
.search-panel.open{transform:translateY(0);visibility:visible}
.search-panel .container{display:flex;align-items:center;gap:14px;padding-top:18px;padding-bottom:18px}
.search-form{flex:1;display:flex;gap:10px}
.search-form input{
  flex:1;height:46px;padding:0 20px;border:2px solid #e5e5e5;border-radius:24px;
  font-size:14px;color:#333;outline:none;transition:border-color .3s;
}
.search-form input:focus{border-color:var(--green)}
.search-form button{
  height:46px;padding:0 30px;background:var(--green);color:#fff;border:none;border-radius:24px;
  font-size:14px;cursor:pointer;/*transition:.3s;*/
}
.search-form button:hover{background:var(--green-dark)}
.search-close{
  background:none;border:none;font-size:28px;line-height:1;color:#999;cursor:pointer;padding:4px;transition:color .3s;
}
.search-close:hover{color:#333}

/* ========== Banner 轮播 ========== */
.banner{position:relative;overflow:hidden}
.banner-track{display:flex;transition:transform .6s ease}
.banner-slide{flex:0 0 100%;min-width:100%;max-height:1000px;position:relative}
.banner-slide img,.banner-slide video{width:100%;height:100%;display:block;object-fit:cover}

.video-area:after {
            content: '';
            display: block;
            position: absolute;
            z-index: 15;
            width: 100%;
            height: 100%;
            background: url(../images/bg4.png);
            left: 0;
            top: 0;
            pointer-events: none;
        }
        

/* 当前可见幻灯片的图片：轻微放大入场动画（首屏进入与每次轮播切换时触发） */
.banner-slide img.active{animation:bannerZoom 2.6s ease-out both}
@keyframes bannerZoom{
  from{transform:scale(1.12)}
  to{transform:scale(1)}
}

/* 左右箭头 */
.banner-arrow{
  position:absolute;top:50%;transform:translateY(-50%);z-index:5;
  width:48px;height:48px;border:none;border-radius:50%;
  background:rgba(255,255,255,.55);color:#333;font-size:20px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;transition:.3s;
  opacity:0;visibility:hidden;
}
.banner:hover .banner-arrow{opacity:1;visibility:visible}
.banner-arrow:hover{background:#fff}
.banner-arrow.prev{left:24px}
.banner-arrow.next{right:24px}

/* 底部圆点指示器 */
.banner-dots{
  position:absolute;left:50%;bottom:40px;transform:translateX(-50%);
  display:flex;gap:12px;z-index:5;
}
.banner-dots button{
  width:12px;height:12px;border:2px solid rgba(255,255,255,.7);border-radius:50%;
  background:transparent;cursor:pointer;padding:0;transition:.3s;
}
.banner-dots button:hover{border-color:#fff}
.banner-dots button.active{background:#fff;border-color:#fff}

/* ========== 板块标题 ========== */
.section{padding:100px 0}
.section-head{margin-bottom:50px}
.section-head h2{font-size:clamp(26px,3vw,42px);color:#222;;font-weight:700}
.section-head .sub{
  display:block;font-size:24px;color:var(--orange);;
  text-transform:uppercase;margin-top:8px;
  font-weight:400;
}
.section-head .bar{
  width:70px;height:3px;background:var(--orange);border-radius:2px;margin-top:16px;
}
.section-head.center{text-align:center}
.section-head.center .bar{margin-left:auto;margin-right:auto}

/* ========== 关于我们（右侧图片整列占满、上下无间距，点击播放视频） ========== */
.about{background:#fff;}
.about-body{
  display:grid;grid-template-columns:1fr 1.15fr;gap:70px;align-items:stretch;
}
.about-text{padding:50px 0}
.about-text h3{font-size:42px;color:#222;margin-bottom:8px}
.about-text .sub{font-size:24px;color:var(--orange);margin-bottom:24px;position:relative;}
.about-text .sub::after{
  content:'';
  background:var(--orange);
  width:40px;
  height:3px;
  position:absolute;
  left:0;
  top:50px;
}

.about-text p{color:#555;margin-bottom:16px;font-size:18px;line-height:2;}
.about-btn{
  display:inline-flex;align-items:center;gap:8px;margin-top:18px;
  padding:12px 30px;background:var(--green);color:#fff;border-radius:30px 0 30px 0;
  font-size:16px;transition:.3s;
}
.about-btn:hover{background:var(--green-dark);transform:translateY(-2px)}
.about-btn::after{content:"→"}
.about-img{
  position:relative;overflow:hidden;cursor:pointer;
  border-radius:0;box-shadow:none;margin-right:-40px;   /* 延伸到容器右缘 */
}
.about-img img{width:100%;height:100%;min-height:100%;object-fit:cover;display:block}
/* 图片中央播放按钮 */
.about-img .play-btn{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:2;
  width:84px;height:84px;border-radius:50%;background:rgba(255,255,255,.92);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 26px rgba(0,0,0,.3);transition:transform .3s,background .3s;
}
.about-img .play-btn::after{
  content:"";margin-left:8px;
  border-left:28px solid var(--green);
  border-top:18px solid transparent;border-bottom:18px solid transparent;
}
.about-img:hover .play-btn{transform:translate(-50%,-50%) scale(1.12)}

/* ========== 视频弹窗 ========== */
.video-modal{
  position:fixed;inset:0;z-index:300;display:flex;align-items:center;justify-content:center;
  background:rgba(0,0,0,.78);opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s;
}
.video-modal.open{opacity:1;visibility:visible}
.video-modal-content{
  position:relative;width:min(960px,92vw);aspect-ratio:16/10;background:none;
  border-radius:12px;overflow:hidden;
  transform:scale(.94);transition:transform .3s;
}
.video-modal.open .video-modal-content{transform:scale(1)}
.video-modal-content video{width:100%;height:100%;display:block}
.video-close{
  position:absolute;top:12px;right:12px;z-index:2;width:40px;height:40px;border:none;border-radius:50%;
  background:rgba(0,0,0,.55);color:#fff;font-size:22px;line-height:1;cursor:pointer;transition:.3s;
}
.video-close:hover{background:var(--green)}

/* ========== 产品展示 ========== */
.products{background:url(../images/index_bg.png) #e7f3e9 repeat-y center center/100% auto;}
.product-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.product-card{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  min-height:480px;box-shadow:var(--shadow);cursor:pointer;transition:.4s;
}
.product-card:hover{transform:translateY(-10px);box-shadow:var(--shadow-lg)}
.product-card .bg{
  position:absolute;inset:0;background:center/100% auto no-repeat;
  transition:transform .6s ease;
}
.product-card:hover .bg{transform:scale(1.05)}
.product-card .overlay{
  position:absolute;inset:0;display:flex;flex-direction:column;
  justify-content:flex-end;padding:32px;color:#fff;
  background:linear-gradient(transparent 35%,rgba(0,0,0,.7));
  transition:justify-content .3s,background .3s;
}
/* 悬停：切换为绿色背景 + 内容居中（原第二张的效果） */
.product-card:hover .overlay{
  justify-content:center;align-items:center;text-align:center;background:rgba(12,102,56,0.9);
}
.product-card .icon{
  width:60px;height:60px;border-radius:50%;background:var(--orange);
  display:none;align-items:center;justify-content:center;margin:20px auto 0px;
  box-shadow:0 6px 18px rgba(0,0,0,.2);
}
.product-card:hover .icon{display:flex}
.product-card .icon::after{content:"↗";font-size:28px;color:#fff}
.product-card h4{font-size:26px;;margin-bottom:6px}
.product-card .en{font-size:18px;opacity:.9}
.product-card .jp{font-size:18px;opacity:.75;margin-top:4px}

/* ========== 基地管理 ========== */
.base{background:#fff}
.base-head{
  display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:40px;
}
.base-head .section-head{margin-bottom:0}
.base-more{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 28px;background:var(--green);color:#fff;border-radius:30px 0 30px 0;
  font-size:16px;transition:.3s;
}
.base-more:hover{background:var(--green-dark)}
.base-more::after{content:"→"}
/* 横向滚动区：一次显示 3 张（PSD 尺寸 440px + 40px 间距） */
.base-scroll{position:relative}
.base-track{
  display:flex;gap:40px;overflow-x:auto;scroll-snap-type:x mandatory;
  scrollbar-width:none;-ms-overflow-style:none;
}
.base-track::-webkit-scrollbar{display:none}
.base-item{
  flex:0 0 500px;width:500px;scroll-snap-align:start;
  border-radius:var(--radius);overflow:hidden;box-shadow:0 6px 20px rgba(0,0,0,.08);
  transition:.3s;
  cursor:pointer;
}
.base-item:hover{transform:translateY(-6px);box-shadow:0 14px 34px rgba(0,0,0,.12)}
.base-item img{width:100%;height:300px;object-fit:cover;display:block}
.base-item figcaption{padding:18px;text-align:center;font-size:20px;color:#333;}
/* 左右箭头 */
.base-arrow{
  position:absolute;top:42%;transform:translateY(-50%);z-index:5;
  width:44px;height:44px;border:none;border-radius:50%;
  background:rgba(255,255,255,.85);color:#333;font-size:26px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;line-height:1;
  box-shadow:0 4px 14px rgba(0,0,0,.15);transition:.3s;
  opacity:0;visibility:hidden;
}
.base-scroll:hover .base-arrow{opacity:1;visibility:visible}
.base-arrow:hover{background:var(--green);color:#fff}
.base-arrow.prev{left:-22px}
.base-arrow.next{right:-22px}
/* 底部进度条（PSD：底轨 5px + 滑块 8px） */
.base-progress{
  position:relative;height:6px;background:#e9e9e9;border-radius:3px;
  margin-top:36px;overflow:hidden;
}
.base-progress-bar{
  position:absolute;left:0;top:-1px;height:8px;border-radius:4px;
  background:var(--green);width:0;will-change:left,width;
}

/* ========== 页脚 ========== */
.footer{background:url(../images/foot_bg.jpg) no-repeat center top/100% 100%;color:#cfe2d8}
.footer a{
  color:#cfe2d8;
}
.footer-top{
  display:flex;align-items:center;justify-content:space-between;padding:50px 0 30px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-top .logo img{height:50px}
.footer-slogan{font-size:clamp(20px,3vw,30px);color:#fff;letter-spacing:6px}

/* 中间区：联系人(左) + 二维码(右)，对齐设计图 */
.footer-main{
  display:grid;grid-template-columns:1fr auto;gap:50px;
  padding:40px 0;align-items:center;
}
.footer-contacts{display:grid;grid-template-columns:repeat(5,1fr);gap:30px}
.footer-col h5{
  color:#fff;font-size:16px;margin-bottom:16px;padding-left:12px;
  border-left:3px solid var(--orange);
}
.footer-col p{font-size:16px;color:#aac7b6;line-height:2.2}
.footer-col p span{display:block;color:#cfe2d8;font-size:20px;font-weight:bolder;}

/* 二维码 */
.footer-qr{
  display:flex;flex-direction:column;align-items:center;gap:12px;
  padding-left:50px;border-left:1px solid rgba(255,255,255,.12);
}
.footer-qr img{
  width:126px;height:126px;background:#fff;padding:8px;border-radius:8px;
  object-fit:contain;display:block;
}
.footer-qr p{font-size:12px;color:#aac7b6;;white-space:nowrap}

.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  padding:22px 0;font-size:14px;color:#86a897;border-top:1px solid rgba(255,255,255,.08);
}
.footer a{
  color:#86a897 !important;
}
/* 分享图标（最右侧，对应设计图 5 个社交图标） */
.footer-share{display:flex;gap:10px}
.footer-share a{
  width:32px;height:32px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.1);color:#cfe2d8;transition:.3s;
}
.footer-share a:hover{background:var(--green);color:#fff;transform:translateY(-3px)}
.footer-share svg{width:15px;height:15px;fill:currentColor}

/* ========== 内页（栏目页）通用 ========== */
/* 子页面无 hero 大图，导航直接固定在顶部 */
.inner-page .site-header{position:fixed;background:rgba(255,255,255,.92);box-shadow:0 4px 18px rgba(0,0,0,.08)}
/* 页面标题区：背景图 + 深色遮罩 + 中文大标题 + 英文/日文副标题（文字带入场动画） */
.inner-hero{
  position:relative;overflow:hidden;
  background:#143d28;                /* 兜底深色，图加载前/放大边缘不外露 */
  color:#fff;text-align:center;
  min-height:450px;display:flex;align-items:center;
  padding:165px 0 70px;
}
/* 背景图独立一层：入场轻微放大动画（从 1.1 缓慢回正） */
.inner-hero::after{
  content:"";position:absolute;inset:0;z-index:0;
  background-image:var(--hero-bg-image);
  background-size:cover;background-position:center;
  animation:heroZoom 2.6s ease-out both;
}
/* 深色遮罩：保证白字可读，换图时可调整此透明度 */
.inner-hero::before{
  content:"";position:absolute;inset:0;z-index:1;background:rgba(20,61,40,.45);
}
.inner-hero .container{position:relative;z-index:2}
@keyframes heroZoom{
  from{transform:scale(1.1)}
  to{transform:scale(1)}
}
.inner-hero h1{
  font-size:clamp(28px,4vw,42px);font-weight:700;
  animation:heroUp .8s ease both;
}
.inner-hero .sub{
  font-size:13px;text-transform:uppercase;
  color:rgba(255,255,255,.9);margin-top:14px;
  animation:heroUp .8s .18s ease both;
}
@keyframes heroUp{
  from{opacity:0;transform:translateY(26px)}
  to{opacity:1;transform:translateY(0)}
}
/* 内页独立面包屑条：位于标题区与内容区之间 */
.breadcrumb-bar{
  background:#f7f9f7;border-bottom:1px solid #ececec;
  padding:14px 0;font-size:13px;color:var(--gray-light);
}
.breadcrumb-bar .container{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px 20px}
.breadcrumb-bar a{color:var(--green-text);transition:color .2s}
.breadcrumb-bar a:hover{color:var(--green)}
.breadcrumb-bar .sep{margin:0 10px;color:#cfd6d0}
.breadcrumb-bar .current{color:#444}
/* 系列切换导航：位于面包屑右侧，点击跳转到对应栏目页 */
.series-nav{display:flex;flex-wrap:wrap;gap:8px}
.series-nav a{
  font-size:13px;color:#555;
  border:1px solid #ddd;padding:6px 16px;border-radius:20px;
  transition:all .25s;
}
.series-nav a:hover{border-color:var(--green);color:var(--green)}
.series-nav a.active{background:var(--green);border-color:var(--green);color:#fff}
/* 主体区块 */
.inner-section{padding:50px 0}
.inner-section.alt{background:var(--green-light)}
.inner-section h3{
  font-size:clamp(22px,2.6vw,28px);color:#222;;margin-bottom:34px;
  padding-left:16px;border-left:4px solid var(--green);
}
.inner-section p{color:#555;font-size:18px;line-height:2}
/* 关于我们：图文左右布局 */
.inner-about{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.inner-about .pic{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow)}
.inner-about .pic img{width:100%;height:440px;object-fit:cover}
.inner-about p{margin-bottom:16px}
.inner-about .en-title{font-size:12px;color:var(--green-text);;text-transform:uppercase;margin-bottom:10px}
/* 关于我们简介：三板块交替图文布局（内容左-图右 / 图左-内容右 / 内容左-图右） */
.about-block{
  display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;
  margin-bottom:60px;
}
.about-block:last-child{margin-bottom:0}
.about-block.reverse .about-text{order:2}
.about-block.reverse .about-pic{order:1}
.about-text h4{
  font-size:24px;;color:#222;margin-bottom:16px;
  padding-left:14px;border-left:3px solid var(--green);
}
.about-text p{margin-bottom:16px}
.about-pic{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow)}
.about-pic img{width:100%;height:400px;object-fit:cover;display:block}
/* 内页副卡列表（简介条目） */
.inner-list{margin-top:40px}
.inner-list li{
  display:flex;gap:14px;padding:18px 0;border-bottom:1px dashed #e5e5e5;
  font-size:15px;color:#444;line-height:1.9;
}
.inner-list li::before{content:"";flex:0 0 8px;height:8px;border-radius:50%;background:var(--orange);margin-top:12px}
/* 产品/栏目网格（冷冻/冻干/竹制品） */
/* 产品/栏目网格（冷冻/冻干/竹制品） */
.inner-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.inner-card{
  background:#fff;border-radius:var(--radius);overflow:hidden;
  box-shadow:0 6px 20px rgba(0,0,0,.08);transition:.3s;
}
.inner-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.inner-card .pic{position:relative;overflow:hidden}
.inner-card img{width:100%;height:250px;object-fit:cover;transition:transform .6s}
.inner-card:hover img{transform:scale(1.08)}
/* 悬浮蒙版：半透明绿色渐变遮罩 + 中央放大按钮 */
.inner-card .pic::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(19,92,58,.08) 0%,rgba(12,66,41,.55) 100%);
  opacity:0;transition:opacity .35s ease;
}
.inner-card .pic::before{
  content:"";position:absolute;inset:0;z-index:2;margin:auto;
  width:56px;height:56px;border-radius:50%;
  background:
    linear-gradient(var(--green),var(--green)) center/2px 18px no-repeat,
    linear-gradient(var(--green),var(--green)) center/18px 2px no-repeat,
    rgba(255,255,255,.95);
  box-shadow:0 4px 14px rgba(0,0,0,.25);
  transform:scale(.5);opacity:0;
  transition:transform .35s ease,opacity .35s ease;
}
.inner-card:hover .pic::after{opacity:1}
.inner-card:hover .pic::before{transform:scale(1);opacity:1}
.inner-card .info{padding:16px 18px 20px;text-align:center}
.inner-card h4{font-size:18px;color:#222;}
.inner-card .en{font-size:12px;color:var(--green-text);text-transform:uppercase;letter-spacing:.5px;margin-top:4px}
.inner-card .jp{font-size:12px;color:#999;margin-top:2px}
.inner-card .spec{display:inline-block;font-size:12px;color:var(--orange);font-weight:600;margin-top:8px;padding:3px 12px;border:1px solid var(--orange);border-radius:12px}
/* 图片画廊（质量管理/基地管理） */
.inner-gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.inner-gallery figure{
  border-radius:var(--radius);overflow:hidden;box-shadow:0 6px 20px rgba(0,0,0,.08);
  background:#fff;transition:.3s;
  cursor:pointer;
}
.inner-gallery figure:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.inner-gallery .pic{overflow:hidden}
.inner-gallery img{width:100%;height:250px;object-fit:cover;transition:transform .5s}
.inner-gallery figure:hover img{transform:scale(1.06)}
.inner-gallery figcaption{padding:14px 16px;text-align:center;font-size:18px;color:#333;}
/* 联系我们 */
.contact-grid{display:grid;grid-template-columns:1fr 1.3fr;gap:50px;align-items:start}
.contact-info h4{font-size:20px;color:#222;margin-bottom:18px}
.contact-info p{font-size:14px;line-height:2;margin-bottom:8px}
.contact-info .tel{font-size:26px;color:var(--green);font-weight:700;margin:14px 0}
.contact-form{background:var(--green-light);border-radius:var(--radius-lg);padding:36px 40px}
.contact-form h4{font-size:20px;color:#222;margin-bottom:24px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-item{margin-bottom:16px}
.form-item label{display:block;font-size:13px;color:#333;margin-bottom:6px}
.form-item input,.form-item textarea{
  width:100%;border:2px solid #e5e5e5;background:#fff;border-radius:8px;
  padding:12px 16px;font-size:14px;color:#333;outline:none;transition:border-color .3s;font-family:inherit;
}
.form-item input:focus,.form-item textarea:focus{border-color:var(--green)}
.form-item textarea{height:130px;resize:vertical}
.form-submit{
  width:100%;padding:14px;background:var(--green);color:#fff;border:none;border-radius:30px;
  font-size:15px;;cursor:pointer;transition:.3s;
}
.form-submit:hover{background:var(--green-dark)}
/* 关于我们：资质证书荣誉图片轮播 */
.cert-sub{
  text-align:center;font-size:12px;color:#9aa49c;
  text-transform:uppercase;margin:-4px 0 26px;
}
.cert-slider{position:relative;width:100%}
.cert-track{
  display:flex;overflow-x:auto;
  scrollbar-width:none;                /* Firefox 隐藏滚动条 */
  border:1px solid #edf0ed;border-radius:var(--radius-lg);
  background:#fff;scroll-behavior:smooth;
}
.cert-track::-webkit-scrollbar{display:none}
/* 桌面端一屏显示 4 张，占满整行，每次滚动一张 */
.cert-slide{flex:0 0 25%;padding:12px;text-align:center;box-sizing:border-box;cursor:pointer;}
.cert-slide img{
  width:100%;display:block;height:340px;object-fit:contain;
  border:1px solid #f0f2f0;border-radius:8px;background:#fafbfa;
}
.cert-slide p{margin-top:14px;font-size:18px;color:#333;}
.cert-arrow{
  position:absolute;top:50%;transform:translateY(-50%);
  width:40px;height:40px;border-radius:50%;border:1px solid #ddd;
  background:#fff;color:#444;font-size:22px;line-height:1;
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;transition:all .25s;z-index:2;
}
.cert-arrow:hover{background:var(--green);border-color:var(--green);color:#fff}
.cert-arrow.prev{left:-20px}
.cert-arrow.next{right:-20px}
.cert-dots{display:flex;justify-content:center;gap:8px;margin-top:18px}
.cert-dots button{
  width:9px;height:9px;border-radius:50%;border:none;padding:0;
  background:#d5dbd6;cursor:pointer;transition:all .25s;
}
.cert-dots button.active{background:var(--green);width:24px;border-radius:6px}
/* 联系我们：板块联系人卡片 + 二维码 */
.contact-intro{max-width:820px;margin:0 auto 40px;text-align:center}
.contact-intro p{font-size:14px;line-height:2;color:#555}
.contact-cards{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;margin-bottom:56px}
.contact-card{
  background:#fff;border:1px solid #edf0ed;border-radius:var(--radius-lg);
  padding:28px 22px;text-align:center;transition:all .3s;
}
.contact-card:hover{transform:translateY(-4px);box-shadow:0 12px 30px rgba(20,61,40,.08);border-color:#d7e4da}
.contact-card h4{font-size:16px;color:#222;margin-bottom:4px}
.contact-card .en{font-size:11px;color:#9aa49c;text-transform:uppercase;margin-bottom:16px}
.contact-card .name{font-size:20px;color:var(--green);font-weight:700;margin-bottom:12px}
.contact-card p{font-size:13px;color:#555;line-height:1.9;word-break:break-all}
.contact-bottom{display:block}
.form-tip{font-size:13px;color:#8a948c;margin:-8px 0 20px}
/* 联系我们：地图板块 */
.map-section{margin-top:56px}
.map-section h3{text-align:center;margin-bottom:6px}
.map-section .map-tip{font-size:13px;color:#8a948c;text-align:center;margin-bottom:18px}
.map-box{
  border:1px solid #edf0ed;border-radius:var(--radius-lg);overflow:hidden;
  background:#f4f6f4;
}
.map-box iframe{display:block;width:100%;height:420px;border:0}

/* ========== 滚动动画 ========== */
.reveal{opacity:0;transform:translateY(40px);transition:opacity .8s ease,transform .8s ease}
.reveal.show{opacity:1;transform:none}
.reveal.d1{transition-delay:.15s}.reveal.d2{transition-delay:.3s}.reveal.d3{transition-delay:.45s}

/* ========== 返回顶部按钮（右下角，滚动超过阈值才显示） ========== */
.back-top{
  position:fixed;right:24px;bottom:24px;z-index:999;
  width:44px;height:44px;border:none;border-radius:50%;
  background:rgba(20,61,40,.85);color:#fff;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .3s,visibility .3s,transform .3s,background .3s;
  box-shadow:0 4px 14px rgba(0,0,0,.18);
}
.back-top.show{opacity:1;visibility:visible;transform:none}
.back-top:hover{background:#13a056}
.back-top svg{width:20px;height:20px;fill:currentColor}

/* ========== 公司简介三语切换（面包屑右侧，与系列导航同款胶囊样式） ========== */
.lang-tabs{display:flex;flex-wrap:wrap;gap:8px}
.lang-tab{
  font-size:13px;color:#555;
  background:#fff;border:1px solid #ddd;padding:6px 16px;border-radius:20px;
  cursor:pointer;white-space:nowrap;transition:all .25s;
}
.lang-tab:hover{border-color:var(--green);color:var(--green)}
.lang-tab.active{background:var(--green);border-color:var(--green);color:#fff;font-weight:600}
.lang-panel[hidden]{display:none}
.lang-panel .en-title{margin-bottom:18px}

/* ========== 产品详情页 ========== */
/* 列表卡片整体可点击链接 */
.inner-card a{display:block;text-decoration:none;color:inherit}
.pd-layout{display:grid;grid-template-columns:500px 1fr;gap:50px;align-items:start}
.pd-gallery{
  border:1px solid #edf0ed;border-radius:var(--radius-lg);overflow:hidden;
  background:#fff;box-shadow:0 6px 20px rgba(0,0,0,.08);
}
.pd-main{overflow:hidden;background:#f7f9f7}
.pd-main img{width:100%;height:375px;object-fit:cover;display:block;transition:opacity .25s}
.pd-main img.fade{opacity:.35}
/* 缩略图图集：横向滚动，多图时保持一行可扩展 */
.pd-thumbs-wrap{position:relative;border-top:1px solid #edf0ed}
.pd-thumbs{
  display:flex;gap:10px;padding:12px 0;overflow-x:auto;
  scrollbar-width:none;scroll-behavior:smooth;
}
.pd-thumbs::-webkit-scrollbar{display:none}
/* 图集左右滚动圆形箭头：内容溢出时显示，悬浮于缩略图条两端 */
.pd-thumb-arrow{
  position:absolute;top:50%;transform:translateY(-50%);z-index:2;
  width:24px;height:24px;border-radius:50%;border:1px solid #ddd;background:#fff;
  display:flex;align-items:center;justify-content:center;cursor:pointer;
  color:#555;box-shadow:0 2px 6px rgba(0,0,0,.08);
  opacity:0;visibility:hidden;transition:opacity .2s,visibility .2s,color .2s,border-color .2s;
}
.pd-thumb-arrow.prev{left:8px}
.pd-thumb-arrow.next{right:8px}
.pd-thumb-arrow.show{opacity:1;visibility:visible}
.pd-thumb-arrow:hover{color:var(--green);border-color:var(--green)}
.pd-thumb-arrow svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.pd-thumb{
  flex:0 0 92px;height:70px;padding:0;border:2px solid transparent;border-radius:8px;
  overflow:hidden;cursor:pointer;background:#fff;opacity:.7;transition:border-color .2s,opacity .2s;
}
.pd-thumb img{width:100%;height:100%;object-fit:cover;display:block}
.pd-thumb:hover{opacity:1;border-color:#cfe3d6}
.pd-thumb.active{border-color:var(--green);opacity:1}
.pd-name{font-size:clamp(24px,3vw,32px);color:#222;;margin-bottom:10px}
.pd-en{font-size:13px;color:var(--green-text);text-transform:uppercase;margin-bottom:4px}
.pd-jp{font-size:13px;color:#999;margin-bottom:22px}
.pd-meta{list-style:none;margin:0 0 22px;padding:0;border-top:1px dashed #e3e8e4}
.pd-meta li{display:flex;gap:12px;padding:13px 0;border-bottom:1px dashed #e3e8e4;font-size:14px;color:#555;line-height:1.8}
.pd-meta li b{flex:0 0 90px;color:#222;font-weight:600}
.pd-desc{font-size:15px;color:#555;line-height:2;margin-bottom:28px}
.pd-actions{display:flex;gap:14px;flex-wrap:wrap;align-items:center;}
.pd-btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:13px 34px;border-radius:30px;font-size:14px;;
  text-decoration:none;transition:.3s;
}
.pd-btn.primary{background:var(--green);color:#fff}
.pd-btn.primary:hover{background:var(--green-dark)}
.pd-btn.ghost{border:1px solid var(--green);color:var(--green)}
.pd-btn.ghost:hover{background:var(--green);color:#fff}
/* 产品描述正文 */
.pd-detail{
  background:#fff;border-radius:var(--radius-lg);padding:38px 42px;
  box-shadow:0 6px 20px rgba(0,0,0,.06);line-height:2;color:#555;font-size:15px;
}
.pd-detail h4{color:#222;margin:22px 0 12px;font-size:17px}
.pd-detail h4:first-child{margin-top:0}
.pd-detail p{margin-bottom:10px}
/* 询价表单内的只读产品字段 */
.form-item input[readonly]{background:#f4f7f5;color:var(--green);font-weight:600;cursor:default}

/* ========== 响应式 ========== */
@media (max-width:1400px){
    
    .main-nav a b{font-size:14px;}
    .main-nav a span{font-size:10px;}
    
}
@media (max-width:1100px){
  .about-body{grid-template-columns:1fr;gap:40px}
  .about-img{margin-right:0}
  .about-text{padding:30px 0}
  .footer-main{grid-template-columns:1fr;gap:30px}
  .footer-qr{border-left:none;padding-left:0}
  .footer-contacts{grid-template-columns:repeat(2,1fr)}
  .container{padding:0 24px}
  .main-nav ul{gap:4px}
  .main-nav a{padding:10px 8px 12px;font-size:12px}
  .main-nav a span{font-size:9px}
}
@media (max-width:900px){
  .container{padding:0 24px}
  /* 移动端：头部与 logo 相应缩小，与 40px 汉堡按钮协调 */
  .header-inner{height:64px}
  .logo img{height:36px}
  .back-top{right:16px;bottom:16px;width:40px;height:40px}
  /* 产品详情页：单栏堆叠 */
  .pd-layout{grid-template-columns:1fr;gap:30px}
  .pd-main img{height:300px}
  .pd-thumbs{padding:10px 0}
  .pd-thumb{flex:0 0 80px;height:60px}
  .pd-thumb-arrow{width:22px;height:22px}
  .pd-detail{padding:26px 22px}
  /* 移动端菜单遮罩层 */
  .nav-backdrop{
    position:fixed;inset:0;z-index:98;background:rgba(0,0,0,.45);
    opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s;
  }
  .nav-backdrop.show{opacity:1;visibility:visible}
  /* 菜单：右侧滑入滑出 */
  .main-nav{
    position:fixed;top:0;right:0;bottom:0;width:min(300px,82vw);background:#fff;
    box-shadow:-10px 0 30px rgba(0,0,0,.15);
    display:flex;flex-direction:column;padding:24px 24px 30px;
    transform:translateX(100%);transition:transform .35s ease;
    z-index:100;overflow-y:auto;
  }
  .main-nav.open{transform:translateX(0)}
  /* 移动端弹出菜单左上角 logo：尺寸与右上角关闭按钮(40px)协调 */
  .main-nav .mobile-logo{
    display:flex;flex-direction:row;align-items:center;justify-content:flex-start;min-height:40px;margin-bottom:16px;
    padding-bottom:16px;border-bottom:1px solid #f0f0f0;
  }
  .main-nav .mobile-logo img{height:28px;width:auto;display:block}
  .main-nav ul{flex-direction:column;gap:4px}
  .main-nav a{color:#333;padding:12px 0;border-bottom:1px solid #f0f0f0;align-items:flex-start}
  /* 移动端：禁用居中的悬浮下划线，选中项仅改变字体颜色 */
  .main-nav a::after{display:none}
  .main-nav a.active{color:#13a056}
  .main-nav a span{color:#999}
  .nav-toggle{display:block}
  body.no-scroll{overflow:hidden}
  .product-grid{grid-template-columns:1fr}
  .base-head{flex-direction:column;align-items:flex-start;gap:20px}
  .base-track{gap:24px}
  .base-item{flex-basis:330px;width:330px}
  .base-arrow{display:none}
  .footer-top{flex-direction:column;align-items:flex-start;gap:20px}
  /* 内页响应式 */
  .inner-grid{grid-template-columns:repeat(3,1fr)}
  .inner-gallery{grid-template-columns:repeat(3,1fr)}
  .inner-gallery img{height:200px;}
  .inner-about{grid-template-columns:1fr;gap:30px}
  .inner-about .pic img{height:300px}
  /* 简介三板块：单列堆叠，图片统一位于内容下方 */
  .about-block{grid-template-columns:1fr;gap:24px;margin-bottom:44px}
  .about-block.reverse .about-text{order:0}
  .about-block.reverse .about-pic{order:1}
  .about-pic img{height:260px}
  .contact-grid{grid-template-columns:1fr;gap:40px}
  .contact-cards{grid-template-columns:repeat(2,1fr)}
  .map-box iframe{height:320px}
  /* 平板：一屏 2 张 */
  .cert-slide{flex-basis:50%}
  .cert-arrow.prev{left:4px}
  .cert-arrow.next{right:4px}
}
@media (max-width:560px){
  .footer{
    background-size:auto 100%;}
  .search-panel{
    top:64px;
  }
  .about-text h3{
    font-size:24px;
  }
  .about-text .sub{
    font-size:14px;
  }
  .about-text .sub::after{
    top:40px;
  }
  .section-head .sub{
    font-size:14px;
  }
  .section{padding:30px 0}
  .about-text{padding:10px 0}
  .stats{grid-template-columns:1fr}
  .footer-contacts{grid-template-columns:1fr}
  .footer-bottom{justify-content:center;text-align:center}
  .banner-arrow{display:none}
  /* 手机：卡片宽度跟随容器，保证一屏恰好一张完整图片 */
  .base-item{flex:0 0 calc(100% - 24px);width:auto;min-width:0}
  /* 内页响应式 */
  .inner-hero{padding:135px 0 55px;min-height:300px}
  .inner-section{padding:30px 0}
  .inner-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .inner-gallery{grid-template-columns:repeat(2,1fr);}
  .inner-gallery img{height:150px;}
  .inner-card img{height:150px}
  .form-row{grid-template-columns:1fr}
  .contact-form{padding:26px 20px}
  .inner-list li{font-size:14px}
  .contact-cards{grid-template-columns:1fr}
  .map-box iframe{height:260px}
  /* 手机：一屏 1 张 */
  .cert-slide{flex-basis:100%}
}