/* ============================================================
   天津达隆环保官网 - 响应式样式（环保绿 + 暖橙）
   ============================================================ */
:root{
  --green:#157a4a; --green-dark:#0e5c38; --green-light:#e8f5ee;
  --orange:#ff6b35; --orange-dark:#e8551f;
  --ink:#1d2b24; --muted:#5b6b63;
  --bg:#ffffff; --bg-alt:#f5f8f6; --line:#e3eae6;
  --radius:12px; --shadow:0 6px 24px rgba(15,60,40,.08);
  --maxw:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-padding-top:84px}
body{font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Segoe UI",system-ui,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased;
  -webkit-tap-highlight-color:transparent;overflow-wrap:break-word;word-break:break-word}
a{color:inherit;text-decoration:none;transition:.2s}
img,svg{max-width:100%;display:block;height:auto}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 max(18px,env(safe-area-inset-left)) 0 max(18px,env(safe-area-inset-right))}
.center{text-align:center}
.mt-2{margin-top:32px}

/* 按钮 */
.btn{display:inline-block;padding:11px 24px;border-radius:30px;font-weight:600;
  font-size:15px;cursor:pointer;border:2px solid transparent;transition:.2s}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:hover{background:var(--green-dark)}
.btn-ghost{background:rgba(255,255,255,.15);color:#fff;border-color:rgba(255,255,255,.6)}
.btn-ghost:hover{background:#fff;color:var(--green)}
.btn-outline{border-color:var(--green);color:var(--green);background:transparent}
.btn-outline:hover{background:var(--green);color:#fff}
.btn.full{width:100%;text-align:center}
.btn[disabled]{opacity:.55;cursor:not-allowed;pointer-events:none}
.btn-sm{padding:6px 14px;font-size:13px;border-radius:20px;background:var(--green);color:#fff}
.btn-sm:hover{background:var(--green-dark)}

/* 顶部条 */
.topbar{background:var(--ink);color:#cfe;font-size:13px}
.topbar-inner{display:flex;justify-content:space-between;align-items:center;height:38px}
.topbar a{color:#bfe;margin:0 4px}
.topbar-left span{margin-right:14px}

/* 导航 */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);
  backdrop-filter:blur(8px);box-shadow:0 2px 14px rgba(0,0,0,.05)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{display:flex;align-items:center;gap:10px}
.brand-mark{font-size:28px}
.brand-text strong{display:block;font-size:18px;color:var(--green-dark);line-height:1.2}
.brand-text em{font-style:normal;font-size:12px;color:var(--muted)}
.main-nav{display:flex;align-items:center;gap:6px}
.main-nav a{padding:8px 14px;border-radius:8px;font-size:15px;font-weight:500}
.main-nav a:hover{color:var(--green)}
.main-nav a.active{color:var(--green);font-weight:700}
.nav-cta{background:var(--orange);color:#fff !important;font-weight:600}
.nav-cta:hover{background:var(--orange-dark)}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{width:24px;height:2px;background:var(--ink);border-radius:2px}

/* Hero */
.hero{position:relative;color:#fff;padding:96px 0;overflow:hidden;
  background:linear-gradient(120deg,#0e5c38,#157a4a 55%,#1f9d5e)}
.hero::after{content:"";position:absolute;right:-80px;top:-60px;width:380px;height:380px;
  background:radial-gradient(circle,rgba(255,255,255,.18),transparent 70%);border-radius:50%}
.hero-overlay{position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='40' height='40'%3E%3Cpath d='M0 39h40M39 0v40' stroke='%23ffffff' stroke-opacity='.06'/%3E%3C/svg%3E")}
.hero-content{position:relative;z-index:2;max-width:720px}
.hero-tag{display:inline-block;background:rgba(255,255,255,.18);padding:6px 16px;border-radius:30px;font-size:14px;margin-bottom:18px}
.hero h1{font-size:42px;line-height:1.25;font-weight:800;margin-bottom:16px}
.hero-sub{font-size:18px;opacity:.92;margin-bottom:28px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:24px}
.hero-points{list-style:none;display:flex;gap:22px;flex-wrap:wrap;font-size:15px;opacity:.95}
.hero-points li{position:relative;padding-left:2px}

/* 区块 */
.section{padding:64px 0}
.section-alt{background:var(--bg-alt)}
.section-head{text-align:center;margin-bottom:40px}
.section-head h2{font-size:30px;color:var(--green-dark);position:relative;display:inline-block;padding-bottom:12px}
.section-head h2::after{content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:0;width:56px;height:3px;background:var(--orange);border-radius:3px}
.section-head p{color:var(--muted);margin-top:12px;font-size:15px}

/* 核心优势 */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.feature-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 22px;text-align:center;transition:.25s;box-shadow:var(--shadow)}
.feature-card:hover{transform:translateY(-6px);border-color:var(--green)}
.feature-ico{font-size:40px;margin-bottom:14px}
.feature-card h3{font-size:18px;color:var(--green-dark);margin-bottom:8px}
.feature-card p{font-size:14px;color:var(--muted)}

/* 产品 */
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.product-grid.small{grid-template-columns:repeat(4,1fr)}
.product-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s;box-shadow:var(--shadow)}
.product-card:hover{transform:translateY(-5px);box-shadow:0 14px 34px rgba(15,60,40,.14)}
.product-thumb{display:block;height:180px;background:var(--green-light);position:relative;overflow:hidden}
.thumb-ph{width:100%;height:100%;display:flex;align-items:center;justify-content:center;
  font-size:64px;font-weight:800;color:rgba(21,122,74,.25);
  background:linear-gradient(135deg,#e8f5ee,#d3ecdf)}
.thumb-ph.big{height:360px;font-size:120px}
.product-body{padding:18px}
.product-cat{display:inline-block;font-size:12px;color:var(--green);background:var(--green-light);padding:2px 10px;border-radius:20px;margin-bottom:8px}
.product-body h3{font-size:17px;margin-bottom:8px;line-height:1.4}
.product-body p{font-size:13px;color:var(--muted);min-height:38px}
.product-meta{display:flex;justify-content:space-between;align-items:center;margin-top:12px;padding-top:12px;border-top:1px dashed var(--line)}
.price{color:var(--orange);font-weight:700;font-size:15px}
.link-more{color:var(--green);font-weight:600;font-size:14px}

/* 解决方案 */
.solution-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.solution-card{background:var(--green-light);border-radius:var(--radius);padding:30px 24px;border-top:4px solid var(--green);transition:.25s}
.solution-card:hover{background:#fff;box-shadow:var(--shadow)}
.solution-ico{font-size:42px;margin-bottom:14px}
.solution-card h3{color:var(--green-dark);font-size:18px;margin-bottom:10px}
.solution-card p{font-size:14px;color:var(--muted);margin-bottom:12px}

/* 数据统计 */
.stats-band{background:var(--green-dark);color:#fff;padding:44px 0}
.stats-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.stat b{display:block;font-size:38px;font-weight:800;color:#aef0c8}
.stat span{font-size:14px;opacity:.85}

/* 案例 */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.case-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.25s}
.case-card:hover{transform:translateY(-5px)}
.case-thumb{display:block;height:170px;background:var(--green-light)}
.case-ph{background:linear-gradient(135deg,#d9f0e3,#bfe6cf);color:rgba(14,92,56,.28)}
.case-body{padding:18px}
.case-loc{font-size:12px;color:var(--muted)}
.case-body h3{font-size:17px;margin:6px 0 8px;line-height:1.4}
.case-body p{font-size:13px;color:var(--muted)}
.case-result{display:inline-block;margin-top:10px;font-size:13px;color:var(--green);font-weight:600}

/* 新闻 */
.news-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;transition:.25s}
.news-card:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.news-date{display:inline-flex;flex-direction:column;align-items:center;justify-content:center;
  width:56px;height:56px;background:var(--green);color:#fff;border-radius:10px;font-weight:800;line-height:1}
.news-date small{font-size:11px;font-weight:400;margin-top:2px}
.news-card h3{font-size:16px;margin:14px 0 8px;line-height:1.45}
.news-card p{font-size:13px;color:var(--muted);min-height:36px}

/* CTA */
.cta-band{background:linear-gradient(120deg,var(--orange),var(--orange-dark));color:#fff;padding:48px 0}
.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.cta-inner h2{font-size:24px;margin-bottom:6px}
.cta-inner p{opacity:.95}
.cta-band .btn-primary{background:#fff;color:var(--orange)}
.cta-band .btn-primary:hover{background:#fff8f3}

/* 内页 Hero */
.page-hero{background:linear-gradient(120deg,#0e5c38,#157a4a);color:#fff;padding:54px 0;text-align:center}
.page-hero h1{font-size:32px;font-weight:800}
.page-hero p{opacity:.9;margin-top:8px}

/* 产品中心布局 */
.product-layout{display:grid;grid-template-columns:240px 1fr;gap:32px}
.filter-side{position:sticky;top:90px;align-self:start}
.filter-side h3{font-size:16px;color:var(--green-dark);margin-bottom:14px}
.filter-list{list-style:none}
.filter-list a{display:block;padding:10px 14px;border-radius:8px;color:var(--ink);font-size:15px;margin-bottom:4px}
.filter-list a:hover,.filter-list a.active{background:var(--green-light);color:var(--green);font-weight:600}
.side-cta{margin-top:24px;background:var(--green-light);border-radius:var(--radius);padding:18px;text-align:center}
.side-cta p{font-size:14px;color:var(--muted);margin-bottom:10px}
.list-bar{margin-bottom:18px;color:var(--muted);font-size:14px}
.empty{text-align:center;color:var(--muted);padding:40px 0}
.pager{display:flex;gap:8px;justify-content:center;margin-top:30px;flex-wrap:wrap}
.pager a{padding:8px 14px;border:1px solid var(--line);border-radius:8px;font-size:14px}
.pager a.active,.pager a:hover{background:var(--green);color:#fff;border-color:var(--green)}

/* 产品详情 */
.product-detail{display:grid;grid-template-columns:440px 1fr;gap:36px;align-items:start}
.detail-info h2{font-size:24px;color:var(--green-dark);margin:10px 0}
.detail-summary{color:var(--muted);margin-bottom:18px}
.spec-table{width:100%;border-collapse:collapse;margin:14px 0 22px}
.spec-table th,.spec-table td{border:1px solid var(--line);padding:10px 14px;font-size:14px;text-align:left}
.spec-table th{background:var(--bg-alt);width:120px;color:var(--green-dark)}
.detail-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:10px}
.price-lg{font-size:22px;color:var(--orange);font-weight:800}
.block-title{font-size:20px;color:var(--green-dark);margin-bottom:14px;padding-left:12px;border-left:4px solid var(--orange)}
.rich-text{font-size:15px;color:#37453e;line-height:1.9}
.rich-text p{margin-bottom:14px}
.rich-text img{max-width:100%;height:auto;margin:10px 0;border-radius:8px}
.rich-text table{width:100%;border-collapse:collapse;margin:14px 0}
.rich-text th,.rich-text td{border:1px solid var(--line);padding:9px 13px;font-size:14px;text-align:left}
.rich-text th{background:var(--bg-alt);color:var(--green-dark)}
.rich-text ul,.rich-text ol{margin:0 0 14px 22px}
.rich-text h2,.rich-text h3,.rich-text h4{color:var(--green-dark);margin:18px 0 10px}

/* 后台：富文本字段容器（避免 label 点击干扰编辑器） */
.admin-field{margin-bottom:16px;font-size:14px;font-weight:600;color:var(--green-dark)}
.admin-field .admin-field-label{display:block;margin-bottom:8px}

/* 解决方案行 */
.solution-row{display:grid;grid-template-columns:120px 1fr;gap:28px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px;margin-bottom:24px;box-shadow:var(--shadow)}
.solution-row.reverse{direction:rtl}
.solution-row.reverse>*{direction:ltr}
.solution-row-ico{font-size:64px;text-align:center}
.solution-row-text .lead{font-size:16px;color:var(--muted);margin:8px 0 14px}
.solution-row-text .btn{margin-top:8px}

/* 案例详情 */
.case-detail{display:grid;grid-template-columns:440px 1fr;gap:36px;align-items:start}
.case-result-lg{display:inline-block;background:var(--green-light);color:var(--green-dark);
  padding:10px 18px;border-radius:8px;font-weight:600;margin-bottom:18px}

/* 关于 */
.about-layout{display:grid;grid-template-columns:1fr 320px;gap:40px;align-items:start}
.about-text h2{font-size:24px;color:var(--green-dark);margin-bottom:16px}
.about-text p{margin-bottom:14px;font-size:15px;color:#37453e}
.about-list{list-style:none;margin-top:10px}
.about-list li{margin-bottom:10px;font-size:15px}
.about-side .side-card{background:var(--bg-alt);border-radius:var(--radius);padding:22px;margin-bottom:20px}
.about-side .side-card h4{font-size:16px;color:var(--green-dark);margin-bottom:12px}
.about-side p{font-size:14px;margin-bottom:6px}
.stats-card{display:grid;grid-template-columns:1fr 1fr;gap:14px;text-align:center;background:var(--green);color:#fff}
.stats-card .stat b{color:#aef0c8;font-size:26px}
.stats-card .stat span{color:#dff5e8;font-size:12px}

/* 新闻列表 */
.news-list{display:flex;flex-direction:column;gap:16px}
.news-item{display:flex;gap:20px;align-items:flex-start;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius);padding:20px;transition:.25s}
.news-item:hover{box-shadow:var(--shadow);transform:translateY(-3px);border-color:var(--green)}
.news-item-date{flex:0 0 auto;width:64px;height:64px;background:var(--green);color:#fff;
  border-radius:12px;display:flex;flex-direction:column;align-items:center;justify-content:center;line-height:1.15;
  box-shadow:0 4px 12px rgba(21,122,74,.25)}
.news-item-date b{font-size:24px;font-weight:800}
.news-item-date span{font-size:11px;opacity:.88;margin-top:2px}
.news-item-body{flex:1;min-width:0}
.news-item-top{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:8px}
.news-cat{font-size:12px;color:var(--green);background:var(--green-light);padding:3px 12px;border-radius:20px;font-weight:600}
.news-item-time{font-size:12px;color:var(--muted)}
.news-item-body h3{font-size:18px;line-height:1.5;margin-bottom:6px}
.news-item-body h3 a{transition:.2s}
.news-item-body h3 a:hover{color:var(--green)}
.news-sum{font-size:14px;color:var(--muted);margin:0 0 10px;line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-item-foot{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--muted)}

/* 文章 */
.article-layout{display:grid;grid-template-columns:1fr 300px;gap:40px;align-items:start}
.article-main .rich-text{font-size:16px}
.article-side h4{font-size:16px;color:var(--green-dark);margin-bottom:12px}
.rel-list{list-style:none}
.rel-list li{padding:8px 0;border-bottom:1px dashed var(--line);font-size:14px}
.rel-list li a:hover{color:var(--green)}
.article-side .side-card{background:var(--bg-alt);border-radius:var(--radius);padding:20px;margin-top:20px}
.article-side .side-card p{font-size:14px;margin-bottom:12px}

/* 联系 */
.contact-layout{display:grid;grid-template-columns:320px 1fr;gap:40px;align-items:start}
.contact-info h3{font-size:18px;color:var(--green-dark);margin-bottom:16px}
.info-list{list-style:none}
.info-list li{display:flex;gap:12px;padding:10px 0;border-bottom:1px dashed var(--line);font-size:15px}
.info-list li span{color:var(--muted);min-width:60px}
.info-card{background:var(--green-light);border-radius:var(--radius);padding:18px;margin-top:18px;font-size:14px;color:var(--muted)}
.alert{padding:12px 16px;border-radius:8px;margin-bottom:18px;font-size:14px}
.alert-ok{background:#e7f7ec;color:#1a7d4f;border:1px solid #bce8c8}
.alert-err{background:#fdecec;color:#c0392b;border:1px solid #f5c6c6}
.contact-form{background:var(--bg-alt);border-radius:var(--radius);padding:28px}
.form-row{margin-bottom:16px}
.form-row label{display:block;font-size:14px;font-weight:600;margin-bottom:6px;color:var(--green-dark)}
.form-row input,.form-row textarea,.admin-form input,.admin-form select,.admin-form textarea{
  width:100%;padding:11px 14px;border:1px solid var(--line);border-radius:8px;font-size:14px;
  font-family:inherit;background:#fff;transition:.2s}
.form-row input:focus,.form-row textarea:focus{border-color:var(--green);outline:none}
.form-row textarea{resize:vertical}
.form-row.two{display:grid;grid-template-columns:1fr 1fr;gap:16px}

/* 验证码样式 */
.captcha-row .captcha-box{display:flex;align-items:center;gap:12px}
.captcha-row .captcha-question{font-size:18px;font-weight:700;color:var(--green-dark);background:#fff;padding:10px 16px;border-radius:8px;border:1px solid var(--line);min-width:100px;text-align:center;letter-spacing:2px}
.captcha-row input{width:120px !important}

/* 页脚 */
.site-footer{background:var(--ink);color:#cdd;padding-top:48px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:32px;padding-bottom:36px}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:16px;position:relative;padding-bottom:8px}
.footer-col h4::after{content:"";position:absolute;left:0;bottom:0;width:36px;height:2px;background:var(--orange)}
.footer-about p{font-size:13px;line-height:1.8;color:#a9bdb3}
.footer-contact p{font-size:13px;margin-top:8px}
.footer-col ul{list-style:none}
.footer-col ul li{margin-bottom:9px}
.footer-col ul li a{font-size:14px;color:#a9bdb3}
.footer-col ul li a:hover{color:#fff}
.mini-form input,.mini-form textarea{width:100%;margin-bottom:8px;padding:9px 12px;border-radius:8px;
  border:1px solid #2f4a3e;background:#13301f;color:#dff;font-size:13px;font-family:inherit}
.mini-form button{width:100%;background:var(--orange);color:#fff;border:0;padding:10px;border-radius:8px;font-weight:600;cursor:pointer}
.footer-bottom{border-top:1px solid #284235;padding:16px 0;font-size:13px;color:#8fa89c}
.footer-bottom .container{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}

/* ============ 后台样式 ============ */
.admin-login{display:flex;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(120deg,#0e5c38,#157a4a)}
.login-box{background:#fff;border-radius:16px;padding:40px 34px;width:360px;box-shadow:0 20px 60px rgba(0,0,0,.2);text-align:center}
.login-brand{font-size:20px;font-weight:800;color:var(--green-dark);margin-bottom:6px}
.login-box h2{font-size:18px;color:var(--muted);margin-bottom:22px;font-weight:600}
.login-box input{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:8px;margin-bottom:14px;font-size:15px}
.login-tip{font-size:12px;color:var(--muted);margin-top:14px}
.login-back{margin-top:10px;font-size:13px}
.admin{background:var(--bg-alt)}
.admin-shell{display:flex;min-height:100vh}
.admin-side{width:230px;background:var(--ink);color:#cdd;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.admin-logo{font-size:18px;font-weight:800;color:#fff;padding:20px 18px;border-bottom:1px solid #284235}
.admin-logo small{display:block;font-size:11px;color:#8fa89c;font-weight:400}
.admin-nav{flex:1;padding:14px 10px;display:flex;flex-direction:column;gap:2px;overflow:auto}
.admin-nav a{display:block;padding:11px 14px;border-radius:8px;font-size:14px;color:#bcd;font-weight:500}
.admin-nav a:hover{background:#1d3a2c;color:#fff}
.admin-nav a.active{background:var(--green);color:#fff}
.admin-side-foot{padding:14px 10px;border-top:1px solid #284235;display:flex;flex-direction:column;gap:4px}
.admin-side-foot a{padding:8px 14px;border-radius:8px;font-size:13px;color:#9fb}
.admin-side-foot a:hover{background:#1d3a2c}
.admin-main{flex:1;display:flex;flex-direction:column;min-width:0}
.admin-top{height:60px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;
  justify-content:flex-end;gap:14px;padding:0 24px;position:sticky;top:0;z-index:10}
.admin-user{font-size:14px;color:var(--muted)}
.admin-content{flex:1;padding:24px}
.admin-foot{padding:16px 24px;font-size:12px;color:var(--muted);border-top:1px solid var(--line);text-align:center}
.admin-h1{font-size:22px;color:var(--green-dark);margin-bottom:18px}
.admin-bar{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
.admin-bar .admin-h1{margin:0}
.dash-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:24px}
.dash-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;text-align:center;box-shadow:var(--shadow)}
.dash-card b{display:block;font-size:30px;color:var(--green);font-weight:800}
.dash-card span{font-size:13px;color:var(--muted)}
.dash-card.alert-card b{color:var(--orange)}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;margin-bottom:22px;box-shadow:var(--shadow)}
.panel h3{font-size:17px;color:var(--green-dark);margin-bottom:14px}
.tip-panel ul{margin-left:18px;font-size:14px;color:#37453e;line-height:1.9}
.admin-table{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);font-size:14px}
.admin-table th,.admin-table td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line)}
.admin-table th{background:var(--bg-alt);color:var(--green-dark);font-weight:700}
.admin-table tr.unread{background:#fff8f3}
.admin-table a{color:var(--green);font-weight:600;margin-right:10px}
.row-actions a:hover{text-decoration:underline}
.badge{background:var(--orange);color:#fff;padding:2px 9px;border-radius:20px;font-size:12px}
.admin-tip{color:var(--muted);font-size:14px;margin-bottom:16px;line-height:1.7}
.page-key{display:inline-block;background:var(--green-light);color:var(--green-dark);padding:2px 10px;border-radius:6px;font-size:13px;margin-left:6px}
.muted{color:#aab4ae}
.admin-form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);max-width:880px}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.admin-form label{display:block;font-size:14px;font-weight:600;color:var(--green-dark);margin-bottom:14px}
.admin-form label input,.admin-form label select,.admin-form label textarea{margin-top:6px;font-weight:400}
.admin-form textarea.mono{font-family:Consolas,Menlo,monospace;font-size:13px}
.check-row{display:flex;gap:24px;margin:6px 0 18px}
.check{font-weight:400 !important;display:flex;align-items:center;gap:6px}
.check input{width:auto !important;margin:0 !important}
.form-actions{margin-top:10px;display:flex;gap:12px}
.kv{width:100%;border-collapse:collapse}
.kv th,.kv td{border:1px solid var(--line);padding:10px 14px;font-size:14px;text-align:left;vertical-align:top}
.kv th{background:var(--bg-alt);width:100px;color:var(--green-dark)}
.settings-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-bottom:20px}
.settings-grid label{display:block;font-size:14px;font-weight:600;color:var(--green-dark)}
.settings-grid input,.settings-grid textarea{margin-top:6px;font-weight:400}
.api-key-row{display:flex;gap:8px;align-items:center}
.api-key-row input{flex:1;min-width:0;font-family:Consolas,Menlo,monospace;font-size:13px}
.settings-grid code{background:var(--bg-alt);padding:2px 8px;border-radius:5px;font-size:12px;color:var(--green-dark)}

/* 表单输入：移动端 ≥16px，避免 iOS 聚焦时自动缩放 */
.form-row input,.form-row textarea,.admin-form input,.admin-form select,.admin-form textarea,
.mini-form input,.mini-form textarea,.login-box input{font-size:16px}

/* 表格横向滚动容器（防止移动端出现页面级横向滚动） */
.table-scroll{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}
.table-scroll table{width:100%;min-width:520px}

/* 面包屑导航 */
.breadcrumb-wrap{background:var(--bg-alt);border-bottom:1px solid var(--line)}
.breadcrumb{padding:11px 0;font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;align-items:center;gap:6px;line-height:1.6}
.breadcrumb a{color:var(--green)}
.breadcrumb a:hover{text-decoration:underline}
.breadcrumb .sep{color:#c2cfc8}
.breadcrumb .current{color:var(--ink);font-weight:600}

/* ============ 响应式 ============ */
@media (max-width:980px){
  .feature-grid,.product-grid,.solution-grid,.case-grid,.news-grid{grid-template-columns:repeat(2,1fr)}
  .product-grid.small{grid-template-columns:repeat(2,1fr)}
  .dash-cards{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .product-detail,.case-detail,.about-layout,.contact-layout,.article-layout{grid-template-columns:1fr}
  .product-layout{grid-template-columns:1fr}
  .filter-side{position:static}
}
@media (max-width:760px){
  .nav-toggle{display:flex}
  .brand-text em{display:none}
  .main-nav{position:absolute;top:70px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;
    padding:8px 16px 14px;box-shadow:0 12px 28px rgba(0,0,0,.12);display:none;border-top:1px solid var(--line);z-index:60}
  .main-nav.open{display:flex}
  .main-nav a{padding:13px 8px;border-radius:8px;font-size:16px}
  .main-nav a.nav-cta{text-align:center;margin-top:6px}
  .topbar-inner{flex-wrap:wrap;height:auto;padding-top:7px;padding-bottom:7px;gap:4px 12px}
  .stats-inner{grid-template-columns:repeat(2,1fr);gap:14px}
  .stats-band{padding:32px 0}
  .contact-form,.admin-form,.panel{padding:18px}
  .hero{padding:60px 0}
  .hero h1{font-size:27px}
  .hero-sub{font-size:15px}
  .thumb-ph.big{height:230px;font-size:88px}
  .section{padding:40px 0}
  .section-head{margin-bottom:28px}
  .section-head h2{font-size:22px}
  .page-hero{padding:40px 0}
  .page-hero h1{font-size:26px}
  .footer-bottom .container{flex-direction:column;text-align:center;gap:6px}
  /* 隐藏桌面端后台侧栏，改为抽屉 */
  .admin-side{position:fixed;left:0;top:0;bottom:0;z-index:200;transform:translateX(-100%);transition:transform .25s;box-shadow:0 0 40px rgba(0,0,0,.3)}
  .admin-side.open{transform:translateX(0)}
  .admin-content{padding:16px}
  .form-grid,.settings-grid{grid-template-columns:1fr}
}
@media (max-width:760px){
  .topbar-right .hide-sm,.topbar-left .hide-sm{display:none}
  .hero-points{gap:14px;font-size:13px}
  .feature-grid,.product-grid,.solution-grid,.case-grid,.news-grid,.product-grid.small,.dash-cards,.settings-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .solution-row{grid-template-columns:1fr;text-align:center}
  .solution-row.reverse{direction:ltr}
  .news-item{gap:14px;padding:16px}
  .news-item-date{width:54px;height:54px}
  .news-item-date b{font-size:20px}
  .form-row.two{grid-template-columns:1fr}
}

/* ============================================================
   无图模式（客户尚未提供图片）：隐藏图片占位区。
   后续客户提供实拍图时，将 <img> 放入对应 .product-thumb / .case-thumb
   / .detail-media 内，并删除下方规则即可。
   ============================================================ */
.product-thumb, .case-thumb, .detail-media{display:none}
/* 无图时给卡片一个品牌色顶边，保持视觉完整不空洞 */
.product-card, .case-card{border-top:3px solid var(--green)}

/* ============================================================
   详情页设计（单栏简洁 · 轻度设计感 · 无图模式）
   产品详情 / 案例详情共用，pd- 前缀
   ============================================================ */
.pd-hero{position:relative;color:#fff;padding:50px 0 74px;overflow:hidden;
  background:linear-gradient(135deg,#0e5c38 0%,#157a4a 60%,#1f9d5e 100%)}
.pd-hero::after{content:"";position:absolute;right:-70px;top:-70px;width:320px;height:320px;
  background:radial-gradient(circle,rgba(255,255,255,.13),transparent 70%);border-radius:50%}
.pd-hero-inner{position:relative;z-index:2}
.pd-hero-badge{display:inline-flex;align-items:center;background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.28);padding:4px 15px;border-radius:30px;font-size:13px;
  margin-bottom:14px;letter-spacing:1px}
.pd-hero h1{font-size:31px;font-weight:800;line-height:1.3;letter-spacing:.5px}
.pd-hero-sub{margin-top:10px;font-size:15px;opacity:.92}

/* 单栏内容 */
.pd-section{padding-top:0}
.pd-single{max-width:880px}
.pd-card{background:#fff;border:1px solid var(--line);border-radius:14px;
  box-shadow:0 6px 22px rgba(15,60,40,.05);padding:26px;margin-bottom:22px}
.pd-card-title{font-size:18px;color:var(--green-dark);display:flex;align-items:center;gap:10px;
  margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.pd-card-title::before{content:"";width:4px;height:16px;background:var(--orange);border-radius:2px}

/* 价格 + 摘要 + 按钮 */
.pd-quote-top{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;flex-wrap:wrap}
.pd-price-row{display:flex;align-items:baseline;gap:12px}
.pd-price-label{font-size:13px;color:var(--muted)}
.pd-price{font-size:28px;font-weight:800;color:var(--orange);letter-spacing:.5px}
.pd-summary{color:var(--muted);font-size:15px;line-height:1.9;margin:12px 0 18px}
.pd-actions{display:flex;gap:12px;flex-wrap:wrap}

/* 技术参数表 */
.pd-spec-table{width:100%;border-collapse:collapse}
.pd-spec-table th,.pd-spec-table td{padding:12px 14px;border-bottom:1px solid var(--line);
  text-align:left;font-size:14px;line-height:1.6}
.pd-spec-table th{width:150px;color:var(--green-dark);font-weight:600}
.pd-spec-table tr:last-child th,.pd-spec-table tr:last-child td{border-bottom:0}
.pd-spec-table td{color:#37453e}

/* 案例：成效横幅 */
.pd-result-banner{display:flex;align-items:center;gap:16px;background:#fff8f3;
  border:1px solid #f6dcc9;border-left:4px solid var(--orange)}
.pd-result-ico{font-size:34px}
.pd-result-banner b{display:block;font-size:16px;color:var(--green-dark);margin-bottom:3px}
.pd-result-banner p{font-size:15px;color:#37453e;font-weight:600}

/* 咨询横幅 */
.pd-cta{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  background:var(--green-light);border:1px solid #cfe6d8;border-radius:14px;padding:22px 26px}
.pd-cta-text b{display:block;font-size:17px;color:var(--green-dark);margin-bottom:4px}
.pd-cta-text span{font-size:14px;color:var(--muted)}
.pd-cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* 响应式 */
@media (max-width:760px){
  .pd-hero{padding:36px 0 44px}
  .pd-hero h1{font-size:24px}
  .pd-card{padding:20px}
  .pd-quote-top{flex-direction:column;gap:8px}
  .pd-price{font-size:24px}
  .pd-cta{flex-direction:column;align-items:flex-start;padding:20px}
  .pd-cta-actions .btn{width:100%;text-align:center}
}