/* ============================================================
   金安特种业外贸官网 · 前台样式（响应式）
   主题色：绿 #1d6f42 / 深绿 #165a35 / 浅底 #f4f8f5
   ============================================================ */
:root{
  --green:#1d6f42; --green-d:#165a35; --green-l:#eaf4ee;
  --text:#2c3e50; --muted:#7a8a80; --line:#e5ece7;
  --radius:10px; --shadow:0 4px 18px rgba(29,111,66,.08);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Segoe UI","Microsoft YaHei",Arial,sans-serif;color:var(--text);background:#fff;line-height:1.7}
img{max-width:100%;display:block}
a{color:var(--green);text-decoration:none}
a:hover{color:var(--green-d)}
ul{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* ---------- 顶栏 ---------- */
.topbar{background:#123c26;color:#cfe6d8;font-size:13px}
.topbar-in{display:flex;justify-content:space-between;align-items:center;min-height:36px}
.topbar-contact span{margin-right:18px}
.lang-switch a{color:#cfe6d8;padding:0 6px}
.lang-switch a:hover{color:#fff}
.lang-switch .lang-cur{color:#fff;font-weight:700;padding:0 6px}
.lang-switch a + a::before,.lang-switch .lang-cur + a::before{content:"|";color:#4d7a61;margin-right:4px}

/* ---------- 头部导航 ---------- */
.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:100;box-shadow:0 2px 8px rgba(0,0,0,.04)}
.header-in{display:flex;align-items:center;justify-content:space-between;min-height:72px}
.logo{display:flex;align-items:center;gap:12px;text-decoration:none}
.logo img{height:44px;width:auto}
.logo .logo-text{white-space:nowrap}
.logo-text{font-size:20px;font-weight:800;color:var(--green);letter-spacing:.5px}
.main-nav{display:flex;align-items:center;gap:4px}
.main-nav a{padding:10px 16px;color:#3a4a41;font-size:15px;font-weight:600;border-radius:6px;transition:.2s}
.main-nav a:hover{color:var(--green)}
.main-nav a.on{color:var(--green);background:var(--green-l)}
.main-nav .btn-nav{background:var(--green);color:#fff;border-radius:6px}
.main-nav .btn-nav:hover{background:var(--green-d);color:#fff}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.nav-toggle span{width:26px;height:3px;background:var(--green);border-radius:2px;transition:.3s}

/* ---------- 按钮 ---------- */
.btn{display:inline-block;background:var(--green);color:#fff;padding:11px 26px;border-radius:6px;font-size:14px;font-weight:600;border:none;cursor:pointer;transition:.2s}
.btn:hover{background:var(--green-d);color:#fff}
.btn-lg{padding:13px 40px;font-size:15px}
.btn-outline{display:inline-block;border:1px solid var(--green);color:var(--green);padding:8px 18px;border-radius:6px;font-size:13px}
.btn-outline:hover{background:var(--green-l)}

/* ---------- Banner ---------- */
.banner{position:relative;overflow:hidden;background:#123c26}
.banner-track{display:flex;transition:transform .6s ease}
.banner-slide{flex:0 0 100%;min-height:520px;background-size:cover;background-position:center;position:relative}
.banner-mask{position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,40,24,.72),rgba(10,40,24,.28))}
.banner-text{position:relative;z-index:2;max-width:1200px;margin:0 auto;padding:120px 20px;color:#fff}
.banner-text h1{font-size:42px;line-height:1.25;margin-bottom:16px;text-shadow:0 2px 12px rgba(0,0,0,.3)}
.banner-text p{font-size:17px;max-width:620px;margin-bottom:26px;color:#e2efe7}
.banner-dots{position:absolute;bottom:22px;left:50%;transform:translateX(-50%);display:flex;gap:8px;z-index:3}
.banner-dots span{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.45);cursor:pointer;transition:.3s}
.banner-dots span.on{background:#fff;width:26px;border-radius:5px}
.hero-fallback{background:linear-gradient(135deg,#165a35,#1d6f42 60%,#2e8b57);color:#fff;text-align:center;padding:110px 20px}
.hero-fallback h1{font-size:38px;margin-bottom:14px}
.hero-fallback p{max-width:680px;margin:0 auto 28px;color:#dcefe3;font-size:16px}

/* ---------- 区块 ---------- */
.section{padding:64px 0}
.section-alt{background:var(--green-l)}
.section-head{text-align:center;margin-bottom:40px;position:relative}
.section-head h2{font-size:28px;color:#1c2b23}
.section-line{display:block;width:56px;height:4px;background:var(--green);border-radius:2px;margin:12px auto 0}
.section-more{position:absolute;right:0;bottom:8px;font-size:14px;font-weight:600}
.section-head.center-more .section-more{position:static;display:block;margin-top:10px}

/* ---------- 卡片网格 ---------- */
.grid{display:grid;gap:22px}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s;display:block}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#cfe3d6}
.card-img{aspect-ratio:4/3;overflow:hidden;background:#f2f6f3}
.card-img img{width:100%;height:100%;object-fit:cover;transition:.4s}
.card:hover .card-img img{transform:scale(1.06)}
.card-body{padding:16px}
.card-body h3{font-size:16px;color:#24332a;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.card-body p{font-size:13px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.img-placeholder{display:block;width:100%;height:100%;background:linear-gradient(135deg,#e8f0ea,#d4e6da)}
.img-placeholder.big{height:320px;border-radius:var(--radius)}

/* ---------- 富文本 ---------- */
.rich-content{font-size:15px;line-height:1.9;color:#35443b;overflow-wrap:break-word;word-break:break-word}
.rich-content p{margin:0 0 14px}
.rich-content img{border-radius:8px;max-width:100%;height:auto;margin:8px 0}
.rich-content h1,.rich-content h2,.rich-content h3,.rich-content h4{margin:22px 0 10px;color:#1c2b23}
.rich-content ul,.rich-content ol{margin:0 0 14px;padding-left:24px;list-style:disc}
.rich-content ol{list-style:decimal}
.rich-content li{margin-bottom:4px}
.rich-content table{width:100%;border-collapse:collapse;margin:14px 0;font-size:14px;max-width:100%;display:block;overflow-x:auto}
.rich-content th,.rich-content td{border:1px solid #d5e2da;padding:9px 12px;text-align:left}
.rich-content th{background:var(--green-l);font-weight:700}
.rich-content blockquote{border-left:4px solid var(--green);background:#f7faf8;padding:12px 16px;margin:14px 0;color:#556}
.rich-content a{text-decoration:underline}

/* ---------- 页面横幅 ---------- */
.page-banner{background:linear-gradient(120deg,#165a35,#1d6f42 55%,#2e8b57);color:#fff;padding:52px 0}
.page-banner h1{font-size:30px}
.page-banner .breadcrumb{margin-top:10px;font-size:13px;color:#c9e2d2}
.page-banner .breadcrumb a{color:#e2f2e8}
.page-main{max-width:880px;margin:0 auto}

/* ---------- 分类标签页 ---------- */
.cat-tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px}
.cat-tabs a{padding:8px 20px;border:1px solid var(--line);border-radius:20px;font-size:14px;color:#4a5a50;transition:.2s}
.cat-tabs a:hover{border-color:var(--green);color:var(--green)}
.cat-tabs a.on{background:var(--green);border-color:var(--green);color:#fff}

/* ---------- 分页 ---------- */
.pagination{display:flex;justify-content:center;gap:8px;margin-top:36px}
.pagination a{min-width:38px;height:38px;line-height:38px;text-align:center;border:1px solid var(--line);border-radius:8px;color:#4a5a50;font-size:14px}
.pagination a.on{background:var(--green);color:#fff;border-color:var(--green)}
.pagination a:hover{border-color:var(--green);color:var(--green)}
.empty-box{text-align:center;padding:70px 0;color:var(--muted);font-size:15px}

/* ---------- 产品详情 ---------- */
.product-detail{display:grid;grid-template-columns:400px 1fr;gap:40px}
.product-detail > *{min-width:0;max-width:100%}
.product-detail > *{min-width:0;max-width:100%}
.pd-gallery{position:sticky;top:96px}
.pd-main{aspect-ratio:4/3;border-radius:var(--radius);overflow:hidden;background:#f2f6f3;position:relative}
.pd-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:.35s}
.pd-main img.on{opacity:1}
.pd-thumbs{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
.pd-thumbs img{width:74px;height:58px;object-fit:cover;border-radius:6px;cursor:pointer;border:2px solid transparent;opacity:.75;transition:.2s}
.pd-thumbs img.on,.pd-thumbs img:hover{border-color:var(--green);opacity:1}
.pd-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.tag-pill{background:var(--green-l);color:var(--green-d);font-size:12px;padding:4px 12px;border-radius:14px}
.pd-title{font-size:26px;margin-top:16px;color:#1c2b23}
.pd-brief{color:#4a5a50;margin:10px 0}
.pd-area{color:var(--green-d);font-size:14px;margin-bottom:18px}

/* ---------- 新闻列表 ---------- */
.news-list{display:flex;flex-direction:column;gap:16px}
.news-row{display:flex;align-items:center;gap:20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px 22px;transition:.2s}
.news-row:hover{border-color:#cfe3d6;box-shadow:var(--shadow);transform:translateX(4px)}
.news-date-box{text-align:center;min-width:64px;background:var(--green-l);border-radius:8px;padding:8px 4px}
.news-date-box .d{font-size:24px;font-weight:800;color:var(--green);display:block;line-height:1.1}
.news-date-box .m{font-size:12px;color:var(--muted)}
.news-info{flex:1}
.news-info h3{font-size:17px;margin-bottom:4px;color:#24332a}
.news-info p{font-size:13px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.news-arrow{color:var(--green);font-size:20px}

/* ---------- 新闻详情 ---------- */
.news-detail{max-width:860px;margin:0 auto}
.nd-meta{color:var(--muted);font-size:13px;margin-bottom:22px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.nd-meta span{margin-right:20px}
.nd-nav{margin-top:36px;border-top:1px solid var(--line);padding-top:20px;font-size:14px}
.nd-nav p{margin-bottom:8px}
.nd-nav a{color:var(--green)}

/* ---------- 联系 ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.ci-list li{display:flex;gap:14px;padding:12px 0;border-bottom:1px dashed var(--line)}
.ci-list b{min-width:70px;color:#24332a}
.ci-list span{color:#4a5a50}
.cta-text{margin-top:22px;font-size:15px}
.map-frame{aspect-ratio:16/9;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line)}
.map-frame iframe{width:100%;height:100%;border:0}
.map-placeholder{aspect-ratio:16/9;border-radius:var(--radius);background:var(--green-l);display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--muted);font-size:16px}
.map-placeholder .muted{font-size:13px;margin-top:6px}

/* ---------- 询盘表单 ---------- */
.inquiry-wrap{max-width:760px;margin:0 auto}
.ok-box{background:#e8f7ee;border:1px solid #b8e3c8;color:#1d6f42;padding:14px 18px;border-radius:8px;margin-bottom:20px}
.err-box{background:#fdecea;border:1px solid #f5c6c0;color:#c0392b;padding:14px 18px;border-radius:8px;margin-bottom:20px}
.inquiry-form .form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:16px}
.form-item label{display:block;font-size:13px;font-weight:700;color:#3a4a41;margin-bottom:6px}
.form-item input,.form-item textarea{width:100%;padding:11px 13px;border:1px solid #d5e2da;border-radius:8px;font-size:14px;font-family:inherit;background:#fcfdfc}
.form-item input:focus,.form-item textarea:focus{outline:none;border-color:var(--green);background:#fff}
.form-item.full{grid-column:1/-1}
.captcha-box{display:flex;gap:10px}
.captcha-box input{flex:1}
.captcha-box img{height:44px;width:120px;border-radius:8px;cursor:pointer;border:1px solid var(--line)}

/* ---------- 404 ---------- */
.notfound{text-align:center;padding:90px 0}
.notfound h1{font-size:80px;color:var(--green);line-height:1}
.notfound p{font-size:18px;color:var(--muted);margin:14px 0 26px}

/* ---------- 底部 ---------- */
.site-footer{background:#123c26;color:#cfe6d8;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:34px;padding:52px 20px 38px}
.f-col h4{color:#fff;font-size:16px;margin-bottom:16px}
.f-desc{font-size:13px;color:#9fc4ae}
.f-links li{margin-bottom:9px}
.f-links a{color:#cfe6d8;font-size:14px}
.f-links a:hover{color:#fff}
.f-contact li{margin-bottom:9px;font-size:13px;word-break:break-all}
.copyright{border-top:1px solid rgba(255,255,255,.12);padding:16px 0;font-size:13px;text-align:center;color:#9fc4ae}
.copyright a{color:#9fc4ae}
.copyright a:hover{color:#fff}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .grid-4{grid-template-columns:repeat(3,1fr)}
  .product-detail{grid-template-columns:340px 1fr}
}
@media (max-width:860px){
  .nav-toggle{display:flex}
  .main-nav{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;padding:14px 20px;border-bottom:1px solid var(--line);box-shadow:0 8px 20px rgba(0,0,0,.08)}
  .main-nav.open{display:flex}
  .main-nav a{width:100%;padding:12px 10px}
  .banner-slide{min-height:400px}
  .banner-text{padding:80px 20px}
  .banner-text h1{font-size:30px}
  .section{padding:48px 0}
  .section-head h2{font-size:23px}
  .grid-4,.grid-3{grid-template-columns:repeat(2,1fr)}
  .product-detail{grid-template-columns:1fr}
  .pd-gallery{position:static}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .inquiry-form .form-row{grid-template-columns:1fr}
}
@media (max-width:520px){
  .grid-4,.grid-3{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .topbar-contact span{display:none}
  .news-row{flex-direction:column;align-items:flex-start}
}

/* ===== v2 调整：banner淡入淡出 / 灯箱 / 悬浮询盘 / 产品详情右文字 / 高德地图 ===== */
.banner{min-height:520px}
.banner-fade{position:absolute;inset:0}
.banner-slide{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transition:opacity .9s ease}
.banner-slide.on{opacity:1}
.pd-title{font-size:26px;line-height:1.3;margin:0 0 14px;color:#1c2b23}
.pd-brief{font-size:16px;color:#35443b;line-height:1.9;margin:0 0 14px}
.pd-area{font-size:15px;color:#35443b;margin:0 0 18px;padding:10px 14px;background:#f4f7f5;border-radius:8px}
.pd-main{cursor:zoom-in}
.float-inquiry{position:fixed;right:22px;bottom:70px;z-index:99;display:flex;align-items:center;gap:8px;background:linear-gradient(180deg,#26854f,#1d6f42);color:#fff;padding:12px 20px;border-radius:30px;box-shadow:0 4px 16px rgba(29,111,66,.45);font-size:15px;text-decoration:none;transition:.2s}
.float-inquiry:hover{color:#fff;transform:translateY(-2px);box-shadow:0 6px 20px rgba(29,111,66,.55)}
.float-inquiry .fi-ico{font-size:18px}
.lightbox{display:none;position:fixed;inset:0;background:rgba(0,0,0,.88);z-index:999;align-items:center;justify-content:center;cursor:zoom-out}
.lightbox.show{display:flex}
.lightbox img{max-width:90vw;max-height:88vh;border-radius:6px;box-shadow:0 10px 40px rgba(0,0,0,.5)}
.lightbox-close{position:absolute;top:22px;right:28px;width:48px;height:48px;line-height:42px;text-align:center;font-size:34px;color:#fff;background:#c0392b;border-radius:50%;cursor:pointer;font-weight:bold;box-shadow:0 2px 10px rgba(0,0,0,.4)}
.lightbox-close:hover{background:#a93226}
.map-frame iframe{width:100%;height:420px;border:0;border-radius:8px}

/* P2: 长内容强制换行不溢出 */
.rich-content{max-width:100%;overflow-wrap:anywhere;word-break:break-word;overflow-x:hidden}
.rich-content p{max-width:100%}
.pd-right{min-width:0;max-width:100%}
}
.logo-text {
    white-space: nowrap;
}
@media screen and (max-width:768px){
    .logo-text {
        font-size: 18px !important;
    }
}
@media screen and (max-width:576px){
    .logo-text {
        font-size: 14px !important;
    }
}