/* 郑材板业 - 公共样式 */
:root{
  --blue:#2c8a3a; --blue-2:#1f6e2a; --blue-3:#eaf6ed;
  --orange:#e8590c; --orange-2:#f76707; --orange-3:#fff4ec;
  --ink:#161616; --gray:#4b4b4b; --line:#dfe8e2; --bg:#e8f3eb;
  --red:#c92a2a; --green:#2b8a3e;
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;color:var(--ink);background:#eaf5ee;line-height:1.7;font-size:16px}
a{color:#111;text-decoration:none}
a:hover{color:var(--orange)}
img{max-width:100%;display:block}
.container{max-width:1480px;margin:0 auto;padding:0 32px}

/* 顶部通知条 */
.topbar{background:linear-gradient(90deg,#2c8a3a,#16a085);color:#fff;font-size:16px;padding:16px 0;letter-spacing:.4px;line-height:1.5}
.topbar .container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:4px}
.topbar a{color:#fff;font-weight:600;text-decoration:underline}

/* 导航 */
.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.nav{display:flex;align-items:center;justify-content:space-between;height:104px}
.logo{display:flex;align-items:center;gap:10px}
.logo-mark{width:42px;height:42px;border-radius:8px;background:var(--blue);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:20px}
.logo-name{display:flex;flex-direction:column;align-items:flex-start;line-height:1.05;color:#111}
.logo-name strong{font-size:38px;font-weight:800;color:#111;letter-spacing:-.5px}
.logo-name .logo-tagline{display:block;font-size:15px;color:var(--gray);font-weight:500;text-align:right;margin-top:8px;max-width:460px}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{color:var(--ink);font-size:15px}
.nav-links a:hover,.nav-links a.active{color:#1b5e2a}
.nav-cta{background:var(--orange);color:#fff!important;padding:10px 20px;border-radius:6px;font-weight:600;font-size:14px}
.nav-cta:hover{background:var(--orange-2)}
.nav-toggle{display:none;background:none;border:none;font-size:24px;color:#111;cursor:pointer}
@media(max-width:900px){
  .nav-links{display:none;position:absolute;top:62px;left:0;right:0;background:#fff;padding:12px 16px;border-bottom:1px solid var(--line)}
  /* 导航展开：仅声明显示，由更细的 600px 断点决定单列/多列布局 */
  .nav-links.open{display:block}
  .nav-toggle{display:block}
}

/* 通用板块 */
.sec{padding:84px 0}
.sec-alt{background:var(--bg);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{text-align:center;max-width:760px;margin:0 auto 44px}
.sec-head .eyebrow{display:inline-block;background:var(--orange-3);color:var(--orange);font-size:13px;font-weight:700;padding:6px 18px;border-radius:24px;margin-bottom:14px;letter-spacing:1px}
.sec-head h2{font-size:38px;color:#0f0f0f;margin-bottom:14px;line-height:1.3;font-weight:600}
.sec-head p{color:var(--gray);font-size:16px;line-height:1.7}

/* 按钮 */
.btn{display:inline-block;padding:14px 32px;border-radius:8px;font-weight:600;font-size:16px;cursor:pointer;border:none;transition:all .2s}
.btn-primary{background:var(--orange);color:#fff}
.btn-primary:hover{background:var(--orange-2);color:#fff}
.btn-outline{border:1.5px solid var(--blue);color:#111;background:transparent}
.btn-outline:hover{background:var(--blue);color:#fff}
.btn-white{background:var(--blue);color:#fff}
.btn-white:hover{background:var(--blue-2);color:#fff}

/* 首页 Hero */
.hero{background:linear-gradient(135deg,#eaf6ed 0%,#f4faf6 60%,#ffffff 100%);color:var(--ink);padding:120px 0 130px;position:relative;overflow:hidden}
.hero .container{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.hero h1{font-size:46px;line-height:1.25;margin-bottom:24px;font-weight:700;color:#0f0f0f;letter-spacing:-1px}
.hero h1 em{font-style:normal;color:var(--orange)}
.hero p{color:#4c6079;font-size:16px;line-height:1.85;margin-bottom:32px;max-width:820px}
.hero p br{display:block}
.hero p br+br{margin-top:14px}
.hero .btns{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{display:flex;gap:32px;margin-top:40px;flex-wrap:wrap}
.hero-stats .stat b{display:block;font-size:34px;color:#111;font-weight:700}
.hero-stats .stat span{font-size:13px;color:#6b7f99;margin-top:4px;display:block}
.hero-card{background:#fff;border-radius:16px;padding:36px;color:var(--ink);box-shadow:0 16px 50px rgba(44,138,58,.14);border:1px solid #d4ecd9}
.hero-card h3{color:#111;font-size:19px;margin-bottom:14px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form-grid .full{grid-column:1/-1}
.form-grid input,.form-grid textarea,.form-grid select{width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:6px;font-size:14px;font-family:inherit}
.form-grid textarea{min-height:80px;resize:vertical;flex:1}
.form-grid .btn{width:100%}
.form-note{font-size:12px;color:var(--gray);text-align:center;margin-top:10px}

/* 联系页：左右两栏对齐 */
.contact-grid{align-items:start}
.contact-grid > div{min-width:0}
.contact-form-card{display:flex;flex-direction:column}
.contact-form-card .form-grid{flex:1;display:flex;flex-direction:column}
.contact-form-card .form-grid textarea{flex:1;min-height:160px}

/* 优势卡 */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:32px;transition:box-shadow .2s,transform .2s}
.card:hover{box-shadow:0 12px 32px rgba(44,138,58,.12);transform:translateY(-2px)}
.card .ico{width:46px;height:46px;border-radius:10px;background:var(--blue-3);color:#111;display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:14px}
.card h3{font-size:17px;color:#111;margin-bottom:8px}
.card p{font-size:14px;color:var(--gray)}
.card ul{list-style:none;margin-top:10px}
.card ul li{font-size:14px;color:var(--gray);padding:4px 0 4px 20px;position:relative}
.card ul li::before{content:"";position:absolute;left:0;top:13px;width:8px;height:8px;border-radius:50%;background:var(--orange)}

/* 数据条 */
.data-bar{background:linear-gradient(90deg,#2c8a3a,#16a085);color:#fff;padding:44px 0}
.data-bar .grid-4{text-align:center}
.data-bar b{display:block;font-size:42px;color:#fff;margin-bottom:4px;font-weight:700}
.data-bar span{font-size:14px;color:#dcebfa;letter-spacing:.5px}

/* 产品亮点 */
.pro-feat{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.pro-feat .pf{border:1px solid var(--line);border-radius:10px;padding:18px 20px;display:flex;gap:14px;align-items:flex-start;background:#fff}
.pro-feat .pf .mark{width:30px;height:30px;border-radius:50%;background:var(--blue);color:#fff;display:flex;align-items:center;justify-content:center;font-size:15px;flex-shrink:0}
.pro-feat .pf h4{font-size:15px;color:#111}
.pro-feat .pf p{font-size:13px;color:var(--gray)}

/* 场景块 */
.scene-wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.scene-item{border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fff;transition:transform .2s}
.scene-item:hover{transform:translateY(-4px)}
.scene-item .pic{height:120px;background:var(--blue-3);display:flex;align-items:center;justify-content:center;font-size:40px;color:#111}
.scene-item .body{padding:16px 18px}
.scene-item h4{font-size:16px;color:#111;margin-bottom:6px}
.scene-item p{font-size:13px;color:var(--gray)}
.scene-item .more{font-size:13px;color:var(--orange);font-weight:600}

/* 图片占位 */
.img-ph{background:var(--blue-3);border:1px dashed var(--blue-2);border-radius:8px;display:flex;align-items:center;justify-content:center;color:#111;font-size:13px;min-height:160px;text-align:center;padding:16px}

/* FAQ */
.faq-list{max-width:820px;margin:0 auto}
.faq-item{border:1px solid var(--line);border-radius:10px;margin-bottom:12px;overflow:hidden;background:#fff}
.faq-q{padding:16px 20px;font-weight:600;font-size:15px;color:#111;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:12px}
.faq-q .arrow{transition:transform .2s;color:var(--orange);font-size:12px}
.faq-item.open .arrow{transform:rotate(180deg)}
.faq-a{padding:0 20px 18px;font-size:14px;color:var(--gray);display:none}
.faq-item.open .faq-a{display:block}

/* 面包屑 */
.breadcrumb{font-size:13px;color:var(--gray);padding:16px 0;border-bottom:1px solid var(--line);background:var(--bg)}
.breadcrumb a{color:#111}
.breadcrumb span{color:var(--gray)}

/* 页头横幅 */
.page-hero{background:linear-gradient(135deg,#eaf6ed,#d8f0e0);color:var(--ink);padding:120px 0;border-bottom:1px solid #d4ecd9}
.page-hero h1{font-size:52px;margin-bottom:16px;color:#0f0f0f;font-weight:800;letter-spacing:-.5px}
.page-hero p{color:#3a5168;font-size:19px;max-width:820px;line-height:1.8}
.page-hero .hero-subtitle{color:#1f6e2a;font-weight:600;font-size:20px;margin-bottom:20px}
.page-hero .hero-desc{background:#fff;border-radius:14px;padding:24px 28px;margin:24px 0;border-left:4px solid #1f6e2a;box-shadow:0 4px 16px rgba(44,138,58,.08);max-width:920px}
.page-hero .hero-desc p{color:#2c3e50;font-size:17px;line-height:1.9;margin:0}
.page-hero .hero-points{display:flex;flex-wrap:wrap;gap:12px;margin:22px 0 8px}
.page-hero .hero-points span{background:#fff;border:1.5px solid #1f6e2a;color:#1f6e2a;padding:8px 18px;border-radius:24px;font-size:15px;font-weight:600}

/* 文章 */
.article{max-width:920px;margin:0 auto}
.article h2{font-size:30px;color:#0f0f0f;margin:40px 0 16px;padding-top:18px;border-top:2px solid var(--line);font-weight:600}
.article h3{font-size:18px;color:#111;margin:24px 0 10px}
.article p{margin-bottom:14px;color:#333}
.article ul,.article ol{margin:0 0 14px 22px}
.article li{margin-bottom:6px;color:#333}
.article .answer-box{background:var(--blue-3);border-left:4px solid var(--blue);padding:16px 20px;border-radius:0 8px 8px 0;margin:0 0 20px;font-size:15px;color:#161616}
.article table{width:100%;border-collapse:collapse;margin:16px 0;font-size:14px}
.article table th{background:linear-gradient(90deg,#2c8a3a,#16a085);color:#fff;padding:10px 12px;text-align:left}
.article table td{border:1px solid var(--line);padding:10px 12px}
.article table tr:nth-child(even){background:var(--bg)}
.article .tag{display:inline-block;background:var(--orange-3);color:var(--orange);font-size:12px;padding:3px 10px;border-radius:16px;margin-right:6px}
.article-meta{color:var(--gray);font-size:13px;margin:8px 0 26px;border-bottom:1px solid var(--line);padding-bottom:16px}

/* 表格（规格表） */
.spec-table{width:100%;border-collapse:collapse;margin:18px 0;font-size:14px}
.spec-table th{background:linear-gradient(90deg,#2c8a3a,#16a085);color:#fff;padding:11px 12px;text-align:left}
.spec-table td{border:1px solid var(--line);padding:11px 12px}
.spec-table tr:nth-child(even){background:var(--bg)}

/* 案例 */
.case-card{display:grid;grid-template-columns:280px 1fr;gap:0;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff;margin-bottom:26px}
.case-card .pic{width:280px;height:280px;background:var(--blue-3);display:flex;align-items:center;justify-content:center;font-size:36px;color:#111;overflow:hidden;border-radius:12px 0 0 12px}
.case-card .pic img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .4s}
.case-card:hover .pic img{transform:scale(1.05)}
.case-card .pic-fb{font-size:64px;color:#1f6e2a}
.case-card .info{padding:26px 30px}
.case-card .info h3{font-size:19px;color:#111;margin-bottom:10px}
.case-card .info p{font-size:14px;color:var(--gray);margin-bottom:12px}
.case-card .tags{display:flex;flex-wrap:wrap;gap:8px}
.case-card .tags span{background:var(--bg);border:1px solid var(--line);font-size:12px;color:var(--gray);padding:3px 10px;border-radius:16px}
.case-num{font-size:12px;color:var(--orange);font-weight:600}

/* CTA 块 */
.cta-band{background:linear-gradient(135deg,#2c8a3a,#16a085);color:#fff;text-align:center;padding:80px 0;position:relative;overflow:hidden}
.cta-band h2{font-size:34px;margin-bottom:16px;font-weight:600;color:#fff}
.cta-band p{color:#e4effa;margin-bottom:30px;font-size:17px}

/* 页脚 */
.site-footer{background:#1b5e2a;color:#cfe3d4;padding:56px 0 0;font-size:14px;border-top:4px solid #16a085}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:36px}
.foot-grid h4{color:#fff;font-size:15px;margin-bottom:14px}
.foot-grid a{display:block;color:#cfe3d4;padding:3px 0}
.foot-grid a:hover{color:#fff}
.foot-bottom{border-top:1px solid #2e7a3f;padding:16px 0;font-size:13px;text-align:center;color:#9fc4a8}
.foot-contact p{padding:3px 0}
.foot-contact b{color:#ffd27d}

/* 产品中心页 */
.product-nav{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:44px}
.product-nav a{background:var(--blue-3);color:#111;border-radius:22px;padding:9px 18px;font-size:14px;font-weight:600}
.product-nav a:hover{background:var(--blue);color:#fff}
.product-detail{max-width:900px;margin:0 auto 44px;padding:30px 32px;background:#fff;border:1px solid var(--line);border-radius:14px}
.product-head{display:flex;align-items:center;gap:16px;margin-bottom:14px}
.product-icon{width:56px;height:56px;border-radius:12px;background:var(--blue-3);display:flex;align-items:center;justify-content:center;font-size:28px;flex-shrink:0}
.product-head h2{font-size:24px;color:#111}
.product-tagline{font-size:13px;color:var(--orange);font-weight:600;margin-top:4px}
.product-desc{font-size:15px;color:#333;margin-bottom:18px;line-height:1.8}
.product-scene{margin-top:16px;font-size:14px;color:var(--gray);background:var(--bg);padding:12px 16px;border-radius:8px}
.product-scene b{color:#111}

/* 团队联系人卡片 — 左信息右二维码 */
.team-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:60px;max-width:1000px;margin:0 auto}
.team-card{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;display:grid;grid-template-columns:1fr 170px;transition:box-shadow .2s;box-shadow:0 2px 12px rgba(0,0,0,.06)}
.team-card:hover{box-shadow:0 8px 30px rgba(13,59,102,.14)}
.team-left{padding:32px 28px 26px;display:flex;flex-direction:column;gap:4px}
.team-left h3{color:#0f0f0f;font-size:24px;margin-bottom:2px}
.team-title{color:var(--orange);font-size:14px;font-weight:600;margin-bottom:8px}
.team-region{background:var(--bg);border-radius:6px;padding:6px 12px;font-size:13px;color:var(--gray);display:inline-block;margin-bottom:14px;align-self:flex-start}
.team-left .team-cta{background:var(--blue);color:#fff;padding:10px 16px;border-radius:8px;text-align:center;font-weight:700;font-size:17px;display:inline-block;align-self:flex-start;text-decoration:none;margin-bottom:8px}
.team-left .team-cta:hover{background:var(--blue-2);color:#fff}
.team-wechat{font-size:13px;color:var(--gray);margin-bottom:12px}
.team-desc{font-size:14px;color:#555;line-height:1.7;flex:1}
/* 右侧二维码区 */
.team-qr{width:170px;background:linear-gradient(180deg,#f7faf8,#eef5f0);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px 14px;border-left:1px solid var(--line);flex-shrink:0}
.team-qr img{width:135px;height:135px;object-fit:contain;background:#fff;border:1px solid #ddd;padding:8px;border-radius:10px;box-shadow:0 2px 8px rgba(0,0,0,.06)}
.team-qr-tip{font-size:12px;color:var(--gray);margin-top:10px;text-align:center}

@media(max-width:800px){
  .team-grid{grid-template-columns:1fr;gap:20px}
  .team-card{grid-template-columns:1fr 120px}
  .team-left{padding:18px 16px 16px;gap:2px}
  .team-left h3{font-size:19px}
  .team-title{font-size:13px}
  .team-region{font-size:12px;padding:5px 10px;margin-bottom:10px}
  .team-left .team-cta{font-size:15px;padding:8px 14px}
  .team-wechat{font-size:12px;margin-bottom:8px}
  .team-desc{font-size:13px;line-height:1.65}
  .team-qr{width:120px;padding:16px 8px}
  .team-qr img{width:95px;height:95px;padding:5px;border-radius:8px}
  .team-qr-tip{font-size:11px;margin-top:6px}
}

/* 浮动客服条 */
.fs-side{position:fixed;right:0;top:50%;transform:translateY(-50%);z-index:100;display:flex;flex-direction:column;gap:4px}
.fs-btn{background:linear-gradient(135deg,#2c8a3a,#16a085);color:#fff;border:none;border-radius:10px 0 0 10px;padding:16px 12px;width:78px;display:flex;flex-direction:column;align-items:center;gap:6px;cursor:pointer;font-size:13px;font-weight:600;box-shadow:-3px 3px 12px rgba(0,0,0,.15);transition:all .2s}
.fs-btn:hover{background:linear-gradient(135deg,#1f6e2a,#218838);transform:translateX(-6px)}
.fs-btn .fs-icon{font-size:24px;line-height:1}
.fs-panel{position:fixed;right:88px;top:50%;transform:translateY(-50%);background:#fff;border-radius:14px;box-shadow:0 16px 40px rgba(0,0,0,.2);padding:24px;width:300px;z-index:101;border:2px solid #2c8a3a}
.fs-panel[hidden]{display:none}
.fs-panel h4{margin-bottom:14px;color:#111;font-size:17px;font-weight:700;display:flex;align-items:center;gap:6px}
.fs-panel .fp-row{display:flex;align-items:center;gap:10px;padding:12px 14px;background:#eaf6ed;border-radius:8px;margin-bottom:8px;color:#1f2933;font-size:14px;text-decoration:none;transition:background .15s}
.fs-panel .fp-row:hover{background:#d4ecd9;color:#1f2933}
.fs-panel .fp-row b{color:#111}
.fs-panel img.fp-qr{width:220px;height:220px;display:block;margin:0 auto 8px;border:1px solid #eaf6ed;padding:6px;background:#fff;border-radius:8px}
.fs-panel .fp-close{position:absolute;top:10px;right:14px;background:none;border:none;color:#999;font-size:20px;cursor:pointer;line-height:1}
.fs-panel .fp-close:hover{color:#333}
@media(max-width:900px){.fs-side{display:none}.fs-panel{right:12px;left:12px;width:auto}}

/* 一体化服务模块 */
.onestop-row{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;margin:30px 0}
.onestop-card{background:#fff;border-radius:14px;padding:26px 22px;text-align:center;border:1px solid var(--line);transition:all .25s;position:relative}
.onestop-card:hover{transform:translateY(-4px);box-shadow:0 16px 36px rgba(30,111,235,.12);border-color:#111}
.onestop-card .os-icon{width:64px;height:64px;margin:0 auto 14px;border-radius:50%;background:linear-gradient(135deg,#e8f3ff,#ffffff);border:2px solid var(--blue-3);display:flex;align-items:center;justify-content:center;font-size:28px;color:#111}
.onestop-card h4{font-size:17px;color:#0f0f0f;margin-bottom:8px;font-weight:600}
.onestop-card p{font-size:13px;color:var(--gray);line-height:1.65}
.onestop-card .os-num{position:absolute;top:14px;right:16px;font-size:22px;font-weight:700;color:#111;opacity:.25;font-family:Arial}
.national-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin:20px 0}
.national-card{background:linear-gradient(135deg,#eaf6ed,#f4faf6);border:1px solid #d4ecd9;border-radius:12px;padding:22px;text-align:center}
.national-card .nat-icon{font-size:30px;color:#111;margin-bottom:10px;display:block}
.national-card h5{font-size:15px;color:#0f0f0f;margin-bottom:4px;font-weight:600}
.national-card p{font-size:13px;color:var(--gray)}
@media(max-width:960px){.onestop-row{grid-template-columns:repeat(3,1fr)}.national-row{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.onestop-row{grid-template-columns:repeat(2,1fr)}.national-row{grid-template-columns:1fr}}

/* Logo 图 */
.logo-img{height:84px;width:auto;display:block}

/* 公司信息表 */
.info-table{width:100%;border-collapse:collapse;margin:18px 0}
.info-table th,.info-table td{border:1px solid var(--line);padding:11px 14px;text-align:left;font-size:14px}
.info-table th{background:var(--blue-3);color:#111;font-weight:600;width:120px}

/* 流程步骤 */
.process-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:14px;margin:20px 0}
.process-step{background:#fff;border:1px solid var(--line);border-radius:10px;padding:18px 14px;text-align:center;position:relative}
.process-step .step-num{font-size:30px;font-weight:700;color:var(--orange);font-family:Arial,sans-serif;margin-bottom:8px;display:block}
.process-step .step-title{font-size:14px;color:#111;font-weight:600;margin-bottom:6px}
.process-step .step-desc{font-size:12px;color:var(--gray);line-height:1.5}
.process-step.step-optional{opacity:.55}
.process-step.step-optional::before{content:"增值可选";position:absolute;top:8px;right:8px;background:#f0f3f1;color:#5b6570;font-size:10px;padding:2px 7px;border-radius:8px}
@media(max-width:960px){.process-grid{grid-template-columns:repeat(4,1fr)}}
@media(max-width:600px){.process-grid{grid-template-columns:repeat(2,1fr)}}

/* 资质荣誉 */
.qual-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.zc-cert{background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.zc-cert img{width:100%;height:200px;object-fit:cover;display:block;background:#fff4ec}
.zc-cert .qbody{padding:14px 16px}
.zc-cert h4{font-size:15px;color:#0f0f0f;margin-bottom:6px}
.zc-cert p{font-size:13px;color:var(--gray);line-height:1.6}
@media(max-width:960px){.qual-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.qual-grid{grid-template-columns:1fr}}

/* 三价值 */
.values-row{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:24px 0}
.value-card{background:#fff;border-top:4px solid var(--orange);border-radius:10px;padding:24px;text-align:center}
.value-card .vico{font-size:42px;margin-bottom:12px;display:block}
.value-card h3{color:#111;font-size:18px;margin-bottom:8px}
.value-card p{font-size:14px;color:var(--gray);line-height:1.7}
@media(max-width:700px){.values-row{grid-template-columns:1fr}}

/* 资质页：折叠/展开 */
.zc-cert.qual-fold.hidden{display:none}
.qual-toggle-wrap{margin-top:30px;text-align:center}
.qual-toggle-wrap .btn{cursor:pointer}

/* 防御性：隐藏任何疑似 WorkBuddy/编辑器注入的占位提示 */
.zc-cert [class*="placeholder"]:empty,
.zc-cert [class*="marker"]:empty,
.zc-cert [class*="hint"]:empty,
.qual-grid [class*="upload-hint"],
.qual-grid [class*="missing-image"],
.qual-grid [class*="待上传"],
.qual-grid [class*="占位"]{display:none!important}
.upload-btn{display:inline-block;margin-top:6px;background:var(--blue-3);color:#111;border:1px dashed var(--blue-2);padding:6px 14px;border-radius:6px;font-size:13px;cursor:pointer}
.upload-btn:hover{background:var(--blue);color:#fff}
@media(max-width:960px){
  .hero .container{grid-template-columns:1fr}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .scene-wrap{grid-template-columns:repeat(2,1fr)}
  .pro-feat{grid-template-columns:1fr}
  .case-card{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:600px){
  /* 手机端网格：产品 3 列（6 张=2 排 3 列），其他网格 2 列 */
  .grid-2{grid-template-columns:repeat(2,1fr);gap:12px}
  .grid-3{grid-template-columns:repeat(3,1fr);gap:10px}
  .grid-4{grid-template-columns:repeat(2,1fr);gap:12px}
  .grid-4{grid-template-columns:repeat(2,1fr);gap:12px}
  .values-row{grid-template-columns:repeat(2,1fr);gap:12px}
  .onestop-row{grid-template-columns:repeat(2,1fr);gap:12px}
  .national-row{grid-template-columns:repeat(2,1fr);gap:12px}
  .hero h1{font-size:28px}
  .sec-head h2{font-size:24px}
  .form-grid{grid-template-columns:1fr}
  .scene-wrap{grid-template-columns:repeat(2,1fr);gap:12px}
  .foot-grid{grid-template-columns:1fr}
}


/* ===== 移动端自适应增强 ===== */
/* 手机：表格横向滚动 */
@media(max-width:700px){
  .article table,.spec-table,.info-table{display:block;overflow-x:auto;white-space:nowrap;-webkit-overflow-scrolling:touch}
  .article table td,.article table th,.spec-table td,.spec-table th,.info-table td,.info-table th{white-space:nowrap}
}

/* 手机：字号与间距收缩 */
@media(max-width:700px){
  body{font-size:15px}
  .container{padding:0 16px}
  .sec{padding:38px 0}
  .hero{padding:40px 0 46px}
  .hero h1{font-size:28px;letter-spacing:0}
  .hero p{font-size:15px}
  .hero-stats{gap:16px;margin-top:22px}
  .hero-stats .stat b{font-size:25px}
  .sec-head h2{font-size:25px}
  .sec-head p{font-size:14px}
  .page-hero{padding:40px 0}
  .page-hero h1{font-size:28px}
  .page-hero p{font-size:14px}
  .cta-band{padding:40px 0}
  .cta-band h2{font-size:24px}
  .card{padding:20px}
  .btn{padding:12px 22px;font-size:15px}
  .pro-feat .pf{padding:14px 16px}
  .scene-item .pic{height:90px;font-size:32px}
  .product-detail{padding:20px 18px}
  .product-head h2{font-size:20px}
  .product-nav a{padding:7px 12px;font-size:12px}
  .case-card .pic{min-height:160px}
  .topbar .container span:first-child{display:none}
  .form-grid input,.form-grid textarea,.form-grid select{padding:11px 10px;font-size:15px}
}

/* 手机：底部快捷联系条 */
.mobile-bar{display:none;position:fixed;bottom:0;left:0;right:0;z-index:99;background:#fff;border-top:2px solid #2c8a3a;box-shadow:0 -4px 16px rgba(0,0,0,.1)}
.mobile-bar .mb-btn{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:9px 0 12px;font-size:12px;color:#111;background:none;border:none;text-decoration:none;cursor:pointer;font-weight:600}
.mobile-bar .mb-btn span{font-size:22px;margin-bottom:2px;line-height:1}
.mobile-bar .mb-phone{background:linear-gradient(135deg,#2c8a3a,#16a085);color:#fff}
@media(max-width:900px){
  .mobile-bar{display:flex}
  body{padding-bottom:64px}
  /* 首页手机/平板隐藏资质区块（保留 /qualifications.html 完整） */
  .home-qual-section{display:none}
  /* 页脚联系我们：材料/施工并排拉齐，地址/时间整行（flex 显式控制） */
  .foot-contact{display:flex;flex-wrap:wrap;gap:6px 16px;align-items:flex-start}
  /* 标题 h4 强制占 100% 整行（避免和"材料"挤一行） */
  .foot-contact > h4{flex:0 0 100%;width:100%;margin-bottom:4px;font-size:14px}
  /* p 强制 width 50% 拉齐（flex-basis 算 min-content 会撑大盒） */
  .foot-contact > p{flex:0 0 calc(50% - 8px);width:calc(50% - 8px);min-width:0;box-sizing:border-box;margin:0;padding:0;font-size:14px;line-height:1.6;word-break:break-all}
  .foot-contact > p:nth-of-type(3),.foot-contact > p:nth-of-type(4){flex-basis:100%;width:100%}
}

/* 手机：微信弹层置于底部条之上 */
@media(max-width:900px){
  .fs-panel{z-index:102;top:auto;bottom:70px;right:16px;left:16px;transform:none;width:auto;max-height:70vh;overflow-y:auto}
  .fs-panel img.fp-qr{width:180px;height:180px}
}


/* ===== 产品详情页 ===== */
.pd-layout{display:grid;grid-template-columns:1fr 1.05fr;gap:48px;align-items:flex-start;max-width:1200px;margin:0 auto}
.pd-left{position:sticky;top:90px}
.pd-img-wrap{background:#fff;border-radius:16px;overflow:hidden;border:1px solid var(--line);box-shadow:0 12px 32px rgba(44,138,58,.1)}
.pd-img{width:100%;height:420px;object-fit:cover;display:block;background:#eaf6ed}
.pd-img-fallback{height:420px;display:flex;align-items:center;justify-content:center;font-size:120px;color:#111;background:linear-gradient(135deg,#eaf6ed,#f4faf6)}
.pd-meta{margin-top:18px}
.pd-price{font-size:18px;color:#111;font-weight:700;background:linear-gradient(90deg,#eaf6ed,#f4faf6);padding:14px 18px;border-radius:10px;border-left:4px solid #2c8a3a;line-height:1.5}
.pd-tagline{margin-top:10px;font-size:14px;color:#5c6b84;padding:0 4px}
.pd-title{font-size:36px;color:#0f0f0f;margin-bottom:18px;line-height:1.25;font-weight:600}
.pd-h2{font-size:24px;color:#0f0f0f;margin:30px 0 14px;font-weight:600}
.pd-tags{margin-top:24px}
.pd-tags .tag{display:inline-block;background:linear-gradient(90deg,#eaf6ed,#f4faf6);color:#111;font-size:13px;font-weight:600;padding:6px 14px;border-radius:18px;border:1px solid #d4ecd9}

/* 工程案例 — 左文右正方形图 */
.pd-case-row{display:flex;gap:32px;margin-top:28px;align-items:flex-start}
.pd-case-info{flex:1;min-width:0}
.pd-case-info .pd-h3{font-size:20px;color:#0f0f0f;margin:0 0 12px;font-weight:600}
.pd-case-list{list-style:none;padding:0;margin:0}
.pd-case-list li{font-size:14px;color:#333;line-height:1.8;padding:4px 0;border-bottom:1px solid #f0f0f0}
.pd-case-list li:last-child{border-bottom:none}
.pd-case-list strong{color:#0f5132;font-weight:600}
.pd-case-img{flex:0 0 260px;width:260px;height:260px;border-radius:12px;overflow:hidden;background:#f7f8fa;border:1px solid var(--line);display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative}
.pd-case-img img{width:100%;height:100%;object-fit:cover;display:block}
.pd-case-tip{position:absolute;bottom:0;left:0;right:0;background:rgba(0,0,0,.55);color:#fff;font-size:11px;text-align:center;padding:6px 0}
.pd-contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;max-width:960px;margin:0 auto}
.pd-contact-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:28px 24px;text-align:center;transition:all .25s;text-decoration:none;color:inherit}
.pd-contact-card:hover{transform:translateY(-4px);box-shadow:0 16px 36px rgba(44,138,58,.14);border-color:#111}
.pd-contact-card .ico{font-size:38px;color:#111;margin-bottom:14px;display:block}
.pd-contact-card h3{font-size:22px;color:#111;margin-bottom:6px}
.pd-contact-card p{font-size:14px;color:#5c6b84;margin-bottom:14px}
.pd-contact-card.pd-contact-phone{background:linear-gradient(135deg,#2c8a3a,#16a085);color:#fff}
.pd-contact-card.pd-contact-phone .ico,.pd-contact-card.pd-contact-phone h3,.pd-contact-card.pd-contact-phone p{color:#fff}
.pd-cta-link{display:inline-block;padding:6px 16px;border:1.5px solid #2c8a3a;border-radius:18px;color:#111;font-size:13px;font-weight:600}
.pd-contact-card.pd-contact-phone .pd-cta-link{color:#fff;border-color:#fff}
.pd-related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;max-width:960px;margin:0 auto}
.pd-rel-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px;text-align:center;text-decoration:none;color:inherit;transition:all .25s}
.pd-rel-card:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(44,138,58,.12);border-color:#111}
.pd-rel-icon{font-size:48px;margin-bottom:10px;color:#111}
.pd-rel-card h4{font-size:16px;color:#0f0f0f;margin-bottom:6px}
.pd-rel-card p{font-size:13px;color:#5c6b84;line-height:1.5}
.pd-rel-more{background:linear-gradient(135deg,#eaf6ed,#f4faf6);border:1.5px dashed #1f6e2a;text-align:center}
.pd-rel-more:hover{border-style:solid;background:linear-gradient(135deg,#d8f0e0,#eaf6ed)}
.pd-rel-icon-more{font-size:42px;color:#1f6e2a;font-weight:600;line-height:1}
.pd-rel-more h4{color:#1f6e2a;font-weight:600}
.pd-rel-more p{color:#3a5168}
@media(max-width:900px){.pd-layout{grid-template-columns:1fr;gap:24px}.pd-left{position:static}.pd-img,.pd-img-fallback{height:300px}.pd-contact-grid,.pd-related-grid{grid-template-columns:1fr}.pd-title{font-size:26px}.pd-case-row{flex-direction:column}.pd-case-img{flex:none;width:100%;height:220px}}

/* 产品中心大卡 */
.pd-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin:30px 0}
.pd-card{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:all .25s;text-decoration:none;color:inherit;display:block}
.pd-card:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(44,138,58,.14);border-color:#111}
.pd-card .pd-card-img{height:220px;overflow:hidden;background:#eaf6ed}
.pd-card .pd-card-img img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .4s}
.pd-card:hover .pd-card-img img{transform:scale(1.05)}
.pd-card .pd-card-img-fb{height:220px;display:flex;align-items:center;justify-content:center;font-size:90px;color:#111}
.pd-card .pd-card-body{padding:24px}
.pd-card .pd-card-body h3{font-size:22px;color:#0f0f0f;margin-bottom:6px}
.pd-card .pd-card-body .pd-card-tag{font-size:13px;color:#111;font-weight:600;margin-bottom:12px}
.pd-card .pd-card-body p{font-size:14px;color:#5c6b84;line-height:1.6;margin-bottom:14px;min-height:44px}
.pd-card .pd-card-foot{display:flex;justify-content:space-between;align-items:center;padding-top:14px;border-top:1px solid #eaf6ed;font-size:13px}
.pd-card .pd-card-foot .pd-price-mini{color:#111;font-weight:600}
.pd-card .pd-card-foot .pd-card-cta{color:#111;font-weight:600}
@media(max-width:900px){.pd-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.pd-grid{grid-template-columns:1fr}.pd-card .pd-card-img,.pd-card .pd-card-img-fb{height:180px}}

/* ===== 自定义模块 ===== */
.custom-mod{border-top:1px solid var(--line)}
.custom-mod .ct-text{max-width:920px;margin:0 auto;font-size:16px;line-height:1.9;color:#333}
.custom-mod .ct-text p{margin-bottom:14px}
.custom-mod .ct-text h3{color:#0f0f0f;font-size:20px;margin:20px 0 10px}
.custom-mod .ct-text ul,.custom-mod .ct-text ol{margin:0 0 14px 24px}
.ct-imgtext{display:grid;grid-template-columns:1fr 1.2fr;gap:40px;align-items:center;max-width:1080px;margin:0 auto}
.ct-imgtext img{width:100%;border-radius:14px;box-shadow:0 10px 30px rgba(44,138,58,.12)}
.ct-imgtext h2{font-size:30px;color:#0f0f0f;margin-bottom:14px;font-weight:600}
.ct-imgtext .ct-text{font-size:15px;line-height:1.85;color:#444}
.custom-band{margin-top:0}
.ct-gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;max-width:1100px;margin:0 auto}
.ct-gallery img{width:100%;height:200px;object-fit:cover;border-radius:12px;box-shadow:0 8px 24px rgba(44,138,58,.1);transition:transform .2s}
.ct-gallery img:hover{transform:scale(1.03)}
@media(max-width:700px){.ct-imgtext{grid-template-columns:1fr;gap:20px}.ct-gallery{grid-template-columns:repeat(2,1fr)}.ct-gallery img{height:140px}}


@media(min-width:1600px){.container{max-width:1640px}}

/* ===== 导航下拉菜单 ===== */
.nav-dropdown-wrap{position:relative;display:inline-block}
.nav-dropdown-wrap .caret{font-size:10px;margin-left:3px;transition:transform .2s}
.nav-dropdown-wrap:hover .caret{transform:rotate(180deg)}
.nav-dropdown{position:absolute;top:calc(100% + 6px);left:-12px;background:#fff;border-radius:12px;box-shadow:0 12px 32px rgba(0,0,0,.14);padding:10px;min-width:240px;opacity:0;visibility:hidden;transform:translateY(-8px);transition:all .2s;border:1px solid #eaf6ed;z-index:50}
.nav-dropdown::before{content://;position:absolute;top:-6px;left:30px;width:12px;height:12px;background:#fff;transform:rotate(45deg);border-top:1px solid #eaf6ed;border-left:1px solid #eaf6ed}
.nav-dropdown-wrap:hover .nav-dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.nav-dropdown a{display:block!important;padding:10px 14px!important;font-size:14px!important;color:var(--ink)!important;border-radius:6px;font-weight:500!important}
.nav-dropdown a:hover{background:#eaf6ed;color:#111!important}
.nav-dropdown .nav-dropdown-more{margin-top:8px;padding-top:10px!important;border-top:1px solid #eaf6ed;color:#111!important;font-weight:600!important;text-align:center}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{display:inline-block}
/* 移动端：下拉直接展开，点击切换 */
@media(max-width:900px){
  .nav-dropdown{position:static;box-shadow:none;border:none;padding:0 0 0 14px;background:transparent;min-width:0;opacity:1;visibility:visible;transform:none;display:none}
  .nav-dropdown::before{display:none}
  .nav-dropdown.open{display:block}
  .nav-dropdown a{padding:8px 0!important;font-size:14px}
  /* 展开后：产品子项 2 列网格，更紧凑 */
  .nav-links.open .nav-dropdown{display:grid;grid-template-columns:1fr 1fr;gap:4px 8px;padding:6px 0 0 0}
  .nav-links.open .nav-dropdown a{padding:7px 6px!important;font-size:13px;text-align:center;background:#f4f6f5;border:1px solid #dde2dc;border-radius:6px}
  .nav-links.open .nav-dropdown a.nav-dropdown-more{grid-column:1/-1;background:transparent;border:none;color:#1f6e2a!important}
  .nav-dropdown-wrap:hover .nav-dropdown{display:none}
  .nav-dropdown-wrap.open .nav-dropdown{display:block}
  .nav-dropdown-wrap .caret{display:inline-block}
}


/* ===== 首页大图产品卡（参考参考站风格） ===== */
.img-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;text-decoration:none;color:inherit;transition:all .25s}
.img-card:hover{transform:translateY(-4px);box-shadow:0 16px 36px rgba(44,138,58,.12);border-color:#111}
.img-card .ic-img{height:240px;background:#eaf6ed;overflow:hidden;display:flex;align-items:center;justify-content:center}
.img-card .ic-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.img-card:hover .ic-img img{transform:scale(1.05)}
.img-card .ic-fb{font-size:80px;color:#111;line-height:1}
.img-card .ic-body{padding:18px 22px;text-align:center}
.img-card .ic-body h3{font-size:18px;color:#111;margin-bottom:6px;font-weight:600}
.img-card .ic-body .ic-price{font-size:13px;color:#e8590c;font-weight:600}
@media(max-width:700px){.img-card .ic-img{height:200px}}


/* ===== 相关推荐模块（页脚前的AI可推荐内容块） ===== */
.recommend-section .recommend-grid{display:grid;grid-template-columns:1fr 1fr 1fr 1.1fr;gap:18px;margin:24px 0}
.rg-block{background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px 22px 18px}
.rg-title{font-size:16px;color:#1f6e2a;margin-bottom:12px;padding-bottom:8px;border-bottom:1px solid #eaf6ed;font-weight:600}
.rg-list{list-style:none;padding:0;margin:0}
.rg-list li{margin-bottom:12px;line-height:1.5}
.rg-list li:last-child{margin-bottom:0}
.rg-list li a{display:block;color:var(--ink);padding:8px 10px;border-radius:8px;transition:background .2s}
.rg-list li a:hover{background:#eaf6ed;color:#1f6e2a}
.rg-list li strong{display:block;font-size:14px;color:#1f6e2a;margin-bottom:2px}
.rg-list li span{font-size:12px;color:#5b6570;display:block;line-height:1.5}
.rg-products li a strong{font-size:14px}
.rg-products li a span{color:#e8590c;font-weight:600}
.rg-contact{background:linear-gradient(135deg,#eaf6ed,#f4faf6);text-align:center}
.rg-contact-text{font-size:13px;color:#5b6570;line-height:1.7;margin:8px 0 14px}
.rg-phone{margin:6px 0;font-weight:600}
.rg-phone a{color:#1f6e2a;font-size:16px}
.rg-phone a:hover{color:#e8590c}
.rg-contact .btn{margin-top:14px;width:100%}
@media(max-width:900px){.recommend-section .recommend-grid{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.recommend-section .recommend-grid{grid-template-columns:1fr 1fr}}


/* ===== 产品页大图卡（铺满+大气） ===== */
.pd-grid .pd-card .pd-card-img{height:300px;background:linear-gradient(135deg,#eaf6ed,#f4faf6)}
.pd-grid .pd-card .pd-card-svg{width:100%;height:100%;display:flex;align-items:center;justify-content:center}
.pd-grid .pd-card .pd-card-svg svg{width:150px;height:150px;filter:drop-shadow(0 6px 16px rgba(31,110,42,.25))}
.pd-card-tag-cat{display:inline-block;font-size:12px;padding:3px 10px;background:#eaf6ed;color:#1f6e2a;border-radius:10px;font-weight:600;letter-spacing:.5px}
.pd-card-desc{font-size:13px;color:#5b6570;line-height:1.6;margin:0 0 14px;min-height:54px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.pd-card-foot{display:flex;justify-content:space-between;align-items:center;padding-top:14px;border-top:1px solid #eaf6ed}
.pd-card .pd-price-mini{font-size:13px;color:#e8590c;font-weight:600}
.pd-card .pd-card-cta{font-size:13px;color:#1f6e2a;font-weight:600}
.pd-card:hover .pd-card-cta{color:#e8590c}
.pd-card .pd-foot-left{display:flex;flex-direction:column;align-items:flex-start;gap:4px;min-width:0}
.pd-card .pd-card-foot-label{display:inline-block;font-size:11px;line-height:1.4;color:#1f6e2a;background:#eaf6ed;border-radius:4px;padding:1px 7px;font-weight:600;white-space:nowrap}

/* ===== 案例/文章推荐区 ===== */
.rec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:24px 0}
.rec-card{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;text-decoration:none;color:inherit;transition:all .25s;display:flex;flex-direction:column}
.rec-card:hover{transform:translateY(-4px);box-shadow:0 14px 32px rgba(44,138,58,.12);border-color:#1f6e2a}
.rec-thumb{height:160px;background:linear-gradient(135deg,#eaf6ed,#f4faf6);display:flex;align-items:center;justify-content:center;font-size:64px;color:#1f6e2a;overflow:hidden}
.rec-thumb img{width:100%;height:100%;object-fit:cover}
.rec-body{padding:20px 22px 24px;flex:1;display:flex;flex-direction:column}
.rec-tag{display:inline-block;font-size:11px;padding:2px 8px;background:#fff4ec;color:#e8590c;border-radius:10px;font-weight:600;margin-bottom:8px;align-self:flex-start}
.rec-card h4{font-size:17px;color:#1f6e2a;margin:0 0 8px;font-weight:600}
.rec-card p{font-size:13px;color:#5b6570;line-height:1.6;margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
@media(max-width:900px){.rec-grid{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.rec-grid{grid-template-columns:1fr 1fr}.pd-grid .pd-card .pd-card-img{height:220px}}

/* ===== 知识库文章卡片 ===== */
.kb-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin:24px 0}
.kb-card{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;text-decoration:none;color:inherit;transition:all .25s;display:flex;flex-direction:column}
.kb-card:hover{transform:translateY(-4px);box-shadow:0 14px 32px rgba(44,138,58,.14);border-color:#1f6e2a}
.kb-thumb{height:140px;background:linear-gradient(135deg,#1f6e2a,#2c8a3a);position:relative;display:flex;align-items:center;justify-content:center}
.kb-thumb-icon{font-size:54px;filter:drop-shadow(0 4px 10px rgba(0,0,0,.2))}
.kb-cat{position:absolute;top:12px;left:12px;font-size:11px;padding:3px 10px;background:rgba(255,255,255,.92);color:#1f6e2a;border-radius:10px;font-weight:600}
.kb-body{padding:20px 22px 22px;flex:1;display:flex;flex-direction:column}
.kb-body h4{font-size:17px;color:#0f0f0f;margin:0 0 8px;font-weight:600;line-height:1.4}
.kb-body p{font-size:13px;color:#5b6570;line-height:1.6;margin:0 0 12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;flex:1}
.kb-more{font-size:13px;color:#1f6e2a;font-weight:600}
.kb-card:hover .kb-more{color:#e8590c}
@media(max-width:900px){.kb-grid{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.kb-grid{grid-template-columns:1fr}}

/* ===== 合并后的两栏推荐 ===== */
.rg-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.rg-grid-2 .rg-block{padding:28px 30px}
.rg-grid-2 .rg-contact{padding:32px 30px}
@media(max-width:900px){.rg-grid-2{grid-template-columns:1fr}}

/* ===== 常见问题：分类筛选 + 小文章式问答 ===== */
.faq-filter{position:sticky;top:104px;z-index:40;background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 18px;margin:0 auto 26px;max-width:1180px;display:flex;flex-wrap:wrap;gap:8px;align-items:center;box-shadow:0 6px 20px rgba(44,138,58,.06)}
.faq-filter .lbl{font-size:13px;color:#8a8a8a;margin-right:2px}
.faq-chip{font-size:13px;padding:7px 13px;border-radius:20px;background:#eaf6ed;color:#1f6e2a;border:1px solid #d4ecd9;font-weight:600;transition:all .18s;white-space:nowrap}
.faq-chip:hover{background:#1f6e2a;color:#fff}
.faq-chip .cnt{display:inline-block;margin-left:6px;font-size:11px;background:rgba(0,0,0,.08);border-radius:10px;padding:0 6px;color:inherit}
.faq-filter-actions{margin-left:auto;display:flex;gap:8px}
.faq-mini-btn{font-size:12px;padding:6px 12px;border:1px solid var(--line);background:#fff;color:#5b6570;border-radius:18px;cursor:pointer;transition:all .18s}
.faq-mini-btn:hover{border-color:var(--orange);color:var(--orange)}
@media(max-width:900px){.faq-filter{top:0;position:static}.faq-filter-actions{margin-left:0;width:100%}}

.faq-group{max-width:1180px;margin:0 auto 34px}
.faq-group-head{display:flex;align-items:center;gap:14px;margin:6px 0 18px;padding-bottom:12px;border-bottom:2px solid var(--blue-3)}
.faq-group-head .gi{font-size:30px;line-height:1}
.faq-group-head h2{font-size:25px;color:#0f0f0f;font-weight:700;line-height:1.2}
.faq-group-head .gi-intro{font-size:14px;color:var(--gray);margin-top:4px}
.faq-group-head .gc{margin-left:auto;font-size:13px;color:#8a8a8a;flex:none}
@media(max-width:600px){.faq-group-head{flex-wrap:wrap}.faq-group-head .gc{width:100%;margin-left:0}}

.faq-articles{display:flex;flex-direction:column;gap:14px}
.faq-article{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:box-shadow .2s,border-color .2s}
.faq-article.open{box-shadow:0 12px 30px rgba(44,138,58,.12);border-color:#bfe3c8}
.faq-article-head{display:flex;align-items:center;gap:14px;padding:18px 22px;cursor:pointer;user-select:none}
.faq-article-head .fi{font-size:23px;flex:none}
.faq-article-head .fq{flex:1;font-size:17px;font-weight:700;color:#111;line-height:1.45}
.faq-article-head .fcat{font-size:12px;padding:3px 10px;border-radius:14px;background:var(--orange-3);color:var(--orange);font-weight:600;flex:none;white-space:nowrap}
.faq-article-head .fa{transition:transform .2s;color:var(--orange);font-size:13px;flex:none}
.faq-article.open .fa{transform:rotate(180deg)}
.faq-article-body{padding:0 22px 22px;display:none}
.faq-article.open .faq-article-body{display:block;animation:faqFade .25s ease}
@keyframes faqFade{from{opacity:.3;transform:translateY(-4px)}to{opacity:1;transform:none}}
.faq-cta{margin-top:14px}
@media(max-width:600px){.faq-article-head{padding:15px 16px;gap:10px}.faq-article-head .fq{font-size:15px}.faq-article-body{padding:0 16px 18px}}

/* 小文章内部排版 */
.faq-lead{font-size:16px;color:#222;line-height:1.85;margin:6px 0 4px}
.faq-h4{font-size:16px;color:#1f6e2a;margin:18px 0 10px;font-weight:700;border-left:4px solid var(--blue);padding-left:10px}
.faq-points{list-style:none;padding:0;margin:0 0 4px}
.faq-points li{position:relative;padding:8px 0 8px 26px;font-size:14.5px;color:#333;line-height:1.7;border-bottom:1px dashed #eef0ee}
.faq-points li:last-child{border-bottom:none}
.faq-points li::before{content:'▸';position:absolute;left:6px;top:8px;color:var(--orange);font-weight:700}

/* 图表（CSS 柱状对比） */
.faq-chart{max-width:780px;margin:18px 0;background:#fcfdfc;border:1px solid var(--line);border-radius:12px;padding:18px 20px}
.faq-chart h5{font-size:15px;color:#1f6e2a;margin-bottom:14px;font-weight:700}
.bar-row{display:flex;align-items:center;gap:12px;margin:10px 0}
.bar-label{width:118px;flex:none;font-size:13px;color:#333;text-align:right;line-height:1.3}
.bar-track{flex:1;background:#eef4f0;border-radius:6px;height:24px;overflow:hidden}
.bar-fill{height:100%;border-radius:6px;display:flex;align-items:center;justify-content:flex-end;padding-right:9px;color:#fff;font-size:12px;font-weight:600;min-width:30px}
.faq-chart .cap{font-size:12px;color:#8a8a8a;margin-top:12px;line-height:1.6}
@media(max-width:600px){.bar-label{width:84px;font-size:12px}}

/* 数据表 */
.faq-table{width:100%;border-collapse:collapse;margin:18px 0;font-size:14px;background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.faq-table th{background:#1f6e2a;color:#fff;padding:10px 12px;text-align:left;font-weight:600;font-size:13.5px}
.faq-table td{padding:9px 12px;border-top:1px solid var(--line);color:#333;vertical-align:top}
.faq-table tr:nth-child(even) td{background:#f6faf7}
.faq-table .cap,.faq-table + .cap{font-size:12px;color:#8a8a8a;margin-top:8px;line-height:1.6}

/* 步骤条 */
.faq-steps{counter-reset:s;margin:18px 0;padding:0;list-style:none}
.faq-steps li{counter-increment:s;position:relative;padding:11px 12px 11px 48px;margin-bottom:9px;background:#fff;border:1px solid var(--line);border-radius:10px;font-size:14.5px;color:#333;line-height:1.6}
.faq-steps li::before{content:counter(s);position:absolute;left:13px;top:11px;width:24px;height:24px;background:var(--orange);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700}

/* 配图与提示 */
.faq-figure{margin:16px 0 4px}
.faq-figure img{border-radius:12px;border:1px solid var(--line);width:100%;max-height:320px;object-fit:cover;background:#f3f7f4}
.faq-figure figcaption{font-size:12px;color:#8a8a8a;margin-top:6px;text-align:center}
.faq-callout{background:var(--orange-3);border-left:4px solid var(--orange);padding:12px 16px;border-radius:8px;margin:16px 0;font-size:14px;color:#7a3b12;line-height:1.7}

/* ---------- FAQ 左图右栏布局 ---------- */
.faq-media-row{display:flex;gap:18px;align-items:flex-start;margin:16px 0 4px}
.faq-media-row .faq-figure{flex:none;width:280px;margin:0}
.faq-media-row .faq-figure img{width:100%;aspect-ratio:1/1;max-height:none;border-radius:12px;border:1px solid var(--line);object-fit:cover;background:#f3f7f4}
.faq-media-row .faq-figure figcaption{font-size:11.5px;color:#8a8a8a;margin-top:6px;text-align:center}
.faq-sidebar{flex:1;min-width:0;background:#f8faf8;border:1px solid var(--line);border-radius:12px;padding:16px 18px;display:flex;flex-direction:column}
.faq-sidebar h5{font-size:14px;font-weight:700;color:#1f6e2a;margin:0 0 12px}
.faq-sidebar .fs-list{list-style:none;padding:0;margin:0;flex:1}
.faq-sidebar .fs-list li{padding:7px 0;font-size:13.5px;border-bottom:1px dashed #e0e8e2;display:flex;align-items:center;gap:8px}
.faq-sidebar .fs-list li:last-child{border-bottom:none}
.faq-sidebar .fs-list li a{color:#333;text-decoration:none;display:flex;align-items:center;gap:8px;flex:1}
.faq-sidebar .fs-list li a:hover{color:#1f6e2a}
.faq-sidebar .fs-list li span{font-size:12px;color:#888;flex:1}
/* 联系方式侧栏 */
.faq-sidebar.fs-contact{text-align:center;align-items:center}
.faq-sidebar .fs-phone{font-size:20px;font-weight:700;color:#1f6e2a;margin:6px 0 4px}
.faq-sidebar .fs-info{font-size:13px;color:#555;margin:3px 0}
.faq-sidebar .fs-btn{margin-top:10px;display:inline-block;font-size:13px;padding:8px 20px}
@media(max-width:768px){
  .faq-media-row{flex-direction:column;gap:12px}
  .faq-media-row .faq-figure{width:100%}
  .faq-sidebar{padding:14px 16px}
  .faq-sidebar .fs-list li{font-size:13px;padding:6px 0}
}
@media(max-width:520px){
  .faq-sidebar .fs-phone{font-size:17px}
}

/* ===== 手机端排版统一优化（解决留白过多 / 头部过大 / 排版混乱） ===== */
@media(max-width:900px){
  /* 头部压缩：避免 104px 高头部 + 38px 巨型 logo */
  .site-header .nav{height:62px}
  .logo-img{height:44px}
  .logo-name strong{font-size:19px;letter-spacing:0}
  .logo-name .logo-tagline{display:none}
  .nav-links{top:62px;padding:10px 14px}
  .nav-links.open > a,.nav-links.open .nav-dropdown-wrap > a{font-size:13px;padding:8px 10px;border-radius:20px;background:#f4f6f5;border:1px solid #dde2dc}
  .nav-cta{padding:8px 10px;font-size:13px}
  /* 通知条紧凑 */
  .topbar{padding:7px 0;font-size:13px;letter-spacing:0}
  .topbar .container{gap:8px}
  /* 区块留白整体收紧 */
  .sec{padding:46px 0}
  .hero{padding:54px 0 58px}
  .page-hero{padding:44px 0}
  .cta-band{padding:46px 0}
  .sec-head{margin-bottom:28px}
  .sec-head h2{font-size:26px}
  .sec-head p{font-size:14.5px}
  /* 页脚紧凑 */
  .site-footer{padding:38px 0 0}
  .foot-grid{gap:18px;padding-bottom:22px}
  /* FAQ 筛选条贴合头部、更紧凑 */
  .faq-filter{padding:12px 14px;gap:7px;margin-bottom:20px}
  .faq-chip{padding:6px 11px;font-size:12px}
  .faq-mini-btn{padding:5px 11px;font-size:12px}
  .faq-group-head .gi{font-size:24px}
  .faq-group-head h2{font-size:21px}
  .faq-group-head .gi-intro{font-size:13px}
}

@media(max-width:600px){
  .container{padding:0 16px}
  /* 手机端：间距整体收紧，消灭大片空白 */
  .sec{padding:26px 0}
  .hero{padding:26px 0 30px}
  .hero h1{font-size:23px;line-height:1.32;margin-bottom:12px}
  .hero p{font-size:15px;line-height:1.9;margin-bottom:0;margin-top:0}
  .hero p + p{margin-top:1em}
  .hero .btns{gap:10px;margin-bottom:2px}
  /* 数据卡：4 项 2x2 网格，紧凑 */
  .hero-stats{display:grid;grid-template-columns:1fr 1fr;gap:10px 14px;margin-top:14px}
  .hero-stats .stat b{font-size:22px;line-height:1.2}
  .hero-stats .stat span{font-size:12px}
  .sec-head{margin-bottom:14px}
  .sec-head .eyebrow{font-size:12px;padding:4px 14px;margin-bottom:8px}
  .sec-head h2{font-size:21px;line-height:1.3;margin-bottom:8px}
  .sec-head p{font-size:13.5px}
  .page-hero{padding:28px 0}
  .page-hero h1{font-size:26px;line-height:1.28;font-weight:800;color:#0f0f0f;margin-bottom:10px}
  .page-hero p{font-size:14px}
  .page-hero .hero-subtitle{font-size:16px;line-height:1.5;color:#1f6e2a;font-weight:600;margin-bottom:10px}
  .page-hero .hero-desc{padding:14px 14px;margin:14px 0}
  .page-hero .hero-desc p{font-size:14.5px;line-height:1.75}
  .page-hero .hero-points span{font-size:13.5px;padding:6px 12px}
  .cta-band{padding:26px 0}
  .cta-band h2{font-size:20px;margin-bottom:10px}
  .cta-band p{font-size:14px;margin-bottom:16px}
  .btn{padding:11px 18px;font-size:14.5px;width:100%;max-width:320px}
  .hero .btns .btn,.cta-band .btn{width:100%;max-width:320px}
  .card{padding:14px;border-radius:12px}
  .card h3{font-size:15px;margin-bottom:6px}
  .card p{font-size:13px}
  /* 案例卡：图在上、文字在下，内边距收紧 */
  .case-card .info{padding:14px 14px}
  .case-card .info h3{font-size:16px;margin-bottom:6px}
  .case-card .info p{font-size:13px;margin-bottom:8px}
  /* 产品详情图缩小 */
  .pd-img,.pd-img-fallback{height:200px}
  .pd-title{font-size:21px}
  .pd-h2{font-size:18px}
  /* 页脚：4 个子区块分 3 段（简介跨2列 → 2列并排 → 联系我们跨2列），整齐不乱 */
  .foot-grid{grid-template-columns:1fr 1fr;gap:10px 14px;padding-bottom:14px}
  .foot-grid > div:first-child{grid-column:1/-1;background:rgba(255,255,255,.04);border-radius:8px;padding:10px 12px;margin-bottom:4px}
  /* 联系我们：跨2列 + 浅色背景（用 flex 显式控制材料/施工并排，由 900px 段定义） */
  .foot-grid > div.foot-contact{grid-column:1/-1;background:rgba(255,255,255,.04);border-radius:8px;padding:10px 12px;margin-top:4px}
  .foot-grid h4{font-size:14px;margin-bottom:6px}
  .foot-grid a{padding:1px 0;font-size:13px;display:block}
  .foot-contact p{padding:0;font-size:14px;line-height:1.6;margin:0}
  /* 场景图 2 列紧凑 */
  .scene-wrap{grid-template-columns:repeat(2,1fr);gap:10px}
  .scene-item .pic{height:72px;font-size:26px}
  .scene-item .body{padding:10px 11px}
  .scene-item h4{font-size:14px;margin-bottom:3px}
  .scene-item p{font-size:12px;line-height:1.5}
  .scene-item .more{font-size:12px}
  /* 产品卡 2 列大图，图高收紧 */
  .img-card .ic-img{height:130px}
  .img-card .ic-body{padding:10px 8px}
  .img-card .ic-body h3{font-size:14.5px;margin-bottom:3px}
  .img-card .ic-body .ic-price{font-size:12px}
  /* 流程步骤 2 列 */
  .process-grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .process-step{padding:12px 10px}
  .process-step .step-num{font-size:24px;margin-bottom:4px}
  .process-step .step-title{font-size:13px;margin-bottom:3px}
  .process-step .step-desc{font-size:11.5px}
  /* 价值卡/优势卡 2 列紧凑 */
  .value-card{padding:14px 10px}
  .value-card .vico{font-size:32px;margin-bottom:6px}
  .value-card h3{font-size:15px;margin-bottom:4px}
  .value-card p{font-size:12.5px;line-height:1.6}
  .onestop-card{padding:12px 10px}
  .onestop-card h4{font-size:14px}
  .onestop-card p{font-size:12.5px}
  .national-card{padding:10px}
  .national-card h5{font-size:13.5px}
  .national-card p{font-size:12px}
  /* 区块底部按钮统一紧凑 */
  .sec p[style*="text-align:center"]{margin-top:14px!important}
  /* 资质卡紧凑 */
  .zc-cert img{height:130px}
  .zc-cert .qbody{padding:10px 12px}
  .zc-cert h4{font-size:14px;margin-bottom:4px}
  .zc-cert p{font-size:12.5px;line-height:1.55}
  /* 小文章内部间距微调 */
  .faq-lead{font-size:15px}
  .faq-h4{font-size:15px;margin:14px 0 8px}
  .faq-points li{font-size:14px;padding:7px 0 7px 24px}
  .faq-chart{padding:14px 14px;margin:14px 0}
  .faq-table{font-size:13px}
  .faq-figure img{max-height:240px}
  /* 知识库卡片内边距 */
  .kb-card .kb-body{padding:16px 16px 18px}
  .kb-body h4{font-size:16px}
  /* 浮动客服侧栏已隐藏；底部联系条已显示，给内容留底 */
  body{padding-bottom:60px}
  /* 数据条：细条紧凑，不再大块留白 */
  .data-bar{padding:14px 0}
  .data-bar b{font-size:22px;margin-bottom:2px}
  .data-bar span{font-size:12px}
  /* 首页 FAQ 紧凑 */
  .faq-item{margin-bottom:8px}
  .faq-item .faq-q{font-size:14px;padding:11px 12px}
  .faq-item .faq-a{font-size:13px;padding:10px 12px}
  /* 区块内"查看全部"按钮上边距统一收紧 */
  .sec .btn{margin-top:0}

  /* ===== 手机端导航：点 ☰ 展开单列菜单（用 !important 覆盖 900px 段子项冲突） ===== */
  .nav-links{display:none;position:absolute;top:62px;left:0;right:0;background:#fff;padding:14px 16px;border-bottom:1px solid var(--line);box-shadow:0 8px 24px rgba(0,0,0,.08);z-index:99;max-height:calc(100vh - 62px);overflow-y:auto}
  .nav-links.open{display:flex!important;flex-direction:column!important;gap:6px}
  .nav-links.open > a,.nav-links.open > .nav-dropdown-wrap,.nav-links.open > .nav-dropdown-wrap > a{flex:none!important;flex-basis:auto!important;width:100%!important;min-width:0!important;max-width:none!important;white-space:normal!important;display:block!important;text-align:center;padding:13px 12px;font-size:15px;border-radius:10px;background:#f4f6f5;border:1px solid #dde2dc;color:var(--ink);text-decoration:none;box-sizing:border-box;line-height:1.3}
  .nav-links.open > a:first-child{background:#1f6e2a;color:#fff!important;border-color:#1f6e2a;font-weight:600}
  .nav-links.open .nav-cta{background:#ff6b1a!important;color:#fff!important;border-color:#ff6b1a!important;font-weight:600;padding:14px 12px;font-size:16px;margin-top:4px}
  /* 导航 CTA 按钮也做成内联芯片 */
  .nav-cta{display:inline-block;padding:6px 14px;font-size:13px;border-radius:20px;max-width:none;width:auto}
  /* FAQ 侧栏（相关产品/联系方式/适用场景）→ 横排2列小卡片 */
  .faq-sidebar .fs-list{display:grid;grid-template-columns:1fr 1fr;gap:6px 10px}
  .faq-sidebar .fs-list li{flex-direction:column;align-items:flex-start;padding:8px 10px;border:1px solid #e4ebe4;border-radius:8px;background:#fafcfa}
  .faq-sidebar .fs-list li a{flex-direction:column;align-items:flex-start;gap:2px}
  .faq-sidebar .fs-list li span{font-size:11px}
  /* 推荐产品保持2列，不要塌成1列 */
  .rec-grid{grid-template-columns:1fr 1fr;gap:12px}
  .rec-card{font-size:13px}
  .rec-card h4{font-size:15px}
  .recommend-section .recommend-grid{grid-template-columns:1fr 1fr;gap:12px}
}