/* ============================================================
   氢君助贷系统 · 前台样式
   配色: 深海蓝#1a2744 · 香槟金#b8923f · 高级灰
   ============================================================ */

:root{
  --c-navy:#1a2744;--c-navy2:#222f52;--c-navy3:#2d3f63;--c-gold:#b8923f;--c-gold-l:#d4af61;
  --c-bg:#f0f1f4;--c-surface:#fff;--c-text:#1e2330;--c-text2:#5a6275;--c-text3:#8b93a7;
  --c-border:#dde0e6;--c-border2:#eef0f3;--c-success:#1a8a5a;--c-warning:#c47f0e;--c-danger:#c0392b;--c-info:#2466b8;
  --c-blue-l:#eaf1fb;--c-green-l:#e8f5ee;--c-orange-l:#fdf3e3;--c-red-l:#fbeae7;--c-gold-bg:#f6f0e4;
  --radius:6px;--radius-lg:10px;
  --shadow:0 1px 3px rgba(26,39,68,.08);--shadow-md:0 4px 12px rgba(26,39,68,.08);
  --shadow-lg:0 8px 24px rgba(26,39,68,.12);
  --max-w:1200px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;font-size:14px;line-height:1.7;color:var(--c-text);background:var(--c-bg);-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%}
ul{list-style:none}

/* ---------- 导航栏 ---------- */
.main-nav{background:var(--c-surface);border-bottom:1px solid var(--c-border);position:sticky;top:0;z-index:100;box-shadow:var(--shadow)}
.nav-inner{max-width:var(--max-w);margin:0 auto;display:flex;align-items:center;justify-content:space-between;height:64px;padding:0 40px}
.nav-brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand-mark{width:34px;height:34px;background:linear-gradient(135deg,var(--c-gold),var(--c-gold-l));border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:700;color:#fff}
.brand-text{font-size:17px;font-weight:700;color:var(--c-navy);letter-spacing:1px}
.nav-menu{display:flex;align-items:center;gap:4px}
.nav-link{display:inline-flex;padding:8px 14px;font-size:13.5px;color:var(--c-text2);border-radius:var(--radius);transition:all .15s;font-weight:500}
.nav-link:hover{color:var(--c-navy);background:var(--c-bg)}
.nav-link.active{color:var(--c-gold);font-weight:600}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-phone{font-size:12px;color:var(--c-text3)}

/* ---------- 按钮系统 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;padding:0 24px;height:38px;border:none;border-radius:var(--radius);font-size:13px;font-weight:600;cursor:pointer;transition:all .2s;text-decoration:none}
.btn-sm{padding:0 16px;height:32px;font-size:12px}
.btn-lg{padding:0 32px;height:46px;font-size:15px}
.btn-primary{background:var(--c-navy);color:#fff}
.btn-primary:hover{background:var(--c-navy2)}
.btn-gold{background:linear-gradient(135deg,var(--c-gold),var(--c-gold-l));color:#fff}
.btn-gold:hover{background:var(--c-gold)}
.btn-outline{border:1px solid var(--c-border);background:var(--c-surface);color:var(--c-text)}
.btn-outline:hover{border-color:var(--c-gold);color:var(--c-gold)}
.btn-success{background:var(--c-success);color:#fff}
.btn-danger{background:var(--c-danger);color:#fff}
.btn-block{width:100%}

/* ---------- Hero 首屏 ---------- */
.hero{background:linear-gradient(160deg,var(--c-navy) 0%,var(--c-navy2) 40%,#1a3052 100%);padding:80px 0 100px;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:-50%;right:-20%;width:600px;height:600px;background:radial-gradient(circle,rgba(184,146,63,.08) 0%,transparent 70%);border-radius:50%}
.hero-inner{max-width:var(--max-w);margin:0 auto;padding:0 40px;display:grid;grid-template-columns:1fr 400px;gap:60px;align-items:center;position:relative;z-index:1}
.hero-content .hero-tag{display:inline-block;padding:4px 12px;background:rgba(184,146,63,.15);border:1px solid rgba(184,146,63,.3);border-radius:3px;font-size:12px;color:var(--c-gold-l);margin-bottom:20px;letter-spacing:.5px}
.hero-content h1{font-size:40px;font-weight:700;color:#fff;line-height:1.3;margin-bottom:16px}
.hero-content h1 .gold{color:var(--c-gold-l)}
.hero-content .hero-sub{font-size:15px;color:rgba(255,255,255,.65);line-height:1.8;margin-bottom:32px;max-width:520px}
.hero-cta{display:flex;gap:12px}
.hero-cta .btn-gold{padding:0 32px;height:48px;font-size:15px}
.hero-cta .btn-outline-white{padding:0 32px;height:48px;font-size:15px;border:1px solid rgba(255,255,255,.25);background:transparent;color:#fff;border-radius:var(--radius)}
.hero-cta .btn-outline-white:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.4)}
.hero-card{background:var(--c-surface);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-lg)}
.hero-card .hc-title{font-size:15px;font-weight:600;color:var(--c-navy);margin-bottom:18px;padding-bottom:12px;border-bottom:2px solid var(--c-gold)}
.hero-card .hc-field{margin-bottom:14px}
.hero-card .hc-field label{display:block;font-size:12px;color:var(--c-text2);margin-bottom:4px;font-weight:500}
.hero-card .hc-field select,.hero-card .hc-field input{width:100%;height:38px;padding:0 12px;border:1px solid var(--c-border);border-radius:var(--radius);font-size:13px;color:var(--c-text);outline:none;transition:border-color .2s;background:var(--c-bg)}
.hero-card .hc-field select:focus,.hero-card .hc-field input:focus{border-color:var(--c-gold)}
.hero-card .btn-gold{width:100%;height:44px;margin-top:4px}

/* ---------- 通用区块 ---------- */
.section{padding:64px 0}
.section-inner{max-width:var(--max-w);margin:0 auto;padding:0 40px}
.section-title{text-align:center;margin-bottom:40px}
.section-title .en{font-size:12px;color:var(--c-gold);letter-spacing:3px;text-transform:uppercase;margin-bottom:8px;font-weight:600}
.section-title h2{font-size:28px;font-weight:700;color:var(--c-navy);margin-bottom:8px}
.section-title .sub{font-size:14px;color:var(--c-text2)}

/* ---------- 业务卡片网格 ---------- */
.biz-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.biz-card{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius-lg);padding:28px 24px;transition:all .25s;cursor:pointer;text-decoration:none;display:block}
.biz-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--c-gold-l)}
.biz-card .biz-icon{width:48px;height:48px;border-radius:var(--radius);display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:16px}
.biz-card .biz-icon.c1{background:#e8f5ee;color:#1a8a5a}
.biz-card .biz-icon.c2{background:#eaf1fb;color:#2466b8}
.biz-card .biz-icon.c3{background:var(--c-gold-bg);color:var(--c-gold)}
.biz-card .biz-icon.c4{background:#fdf3e3;color:#c47f0e}
.biz-card .biz-icon.c5{background:#f0e8f5;color:#7b3fa0}
.biz-card .biz-icon.c6{background:#fbeae7;color:#c0392b}
.biz-card h3{font-size:17px;font-weight:600;color:var(--c-navy);margin-bottom:8px}
.biz-card .biz-rate{font-size:14px;font-weight:700;color:var(--c-gold);margin-bottom:6px}
.biz-card .biz-desc{font-size:12.5px;color:var(--c-text2);line-height:1.6;margin-bottom:14px}
.biz-card .biz-meta{display:flex;justify-content:space-between;font-size:12px;color:var(--c-text3)}
.biz-card .biz-meta b{color:var(--c-navy)}

/* ---------- 流程步骤 ---------- */
.process-section{background:var(--c-surface);padding:64px 0}
.process-steps{display:grid;grid-template-columns:repeat(6,1fr);gap:0;position:relative}
.process-steps::before{content:'';position:absolute;top:32px;left:10%;right:10%;height:2px;background:linear-gradient(90deg,var(--c-gold-l),var(--c-gold),var(--c-gold-l))}
.process-step{text-align:center;position:relative;z-index:1;padding:0 8px}
.process-step .ps-num{width:40px;height:40px;background:var(--c-navy);color:var(--c-gold-l);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:12px auto 12px;font-size:16px;font-weight:700;border:3px solid var(--c-gold-l)}
.process-step .ps-title{font-size:14px;font-weight:600;color:var(--c-navy);margin-bottom:4px}
.process-step .ps-desc{font-size:12px;color:var(--c-text2);line-height:1.5}

/* ---------- 统计数据 ---------- */
.stats-section{background:var(--c-navy);padding:50px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;text-align:center}
.stat-item{padding:10px 20px;border-right:1px solid rgba(255,255,255,.08)}
.stat-item:last-child{border-right:none}
.stat-item .stat-num{font-size:36px;font-weight:700;color:var(--c-gold-l);margin-bottom:4px}
.stat-item .stat-num .unit{font-size:18px;font-weight:400}
.stat-item .stat-label{font-size:13px;color:rgba(255,255,255,.55)}

/* ---------- 合作伙伴 ---------- */
.partner-section{background:var(--c-surface);padding:50px 0}
.partner-row{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:24px}
.partner-item{padding:12px 24px;font-size:14px;color:var(--c-text2);font-weight:500;border:1px solid var(--c-border2);border-radius:var(--radius);transition:all .2s}
.partner-item:hover{color:var(--c-gold);border-color:var(--c-gold-l)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-navy);color:#fff;padding:48px 0 0}
.footer-inner{max-width:var(--max-w);margin:0 auto;padding:0 40px}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;margin-bottom:32px}
.footer-col h4{font-size:15px;font-weight:600;margin-bottom:16px;color:#fff}
.footer-col a,.footer-col p{display:block;font-size:13px;color:rgba(255,255,255,.55);margin-bottom:8px;transition:color .2s}
.footer-col a:hover{color:var(--c-gold-l)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:18px 0;font-size:12px;color:rgba(255,255,255,.35);text-align:center}

/* ---------- 页面头部 ---------- */
.page-header{background:linear-gradient(160deg,var(--c-navy),var(--c-navy2));padding:60px 0;text-align:center}
.page-header h1{font-size:32px;font-weight:700;color:#fff;margin-bottom:8px}
.page-header p{font-size:14px;color:rgba(255,255,255,.6)}

/* ---------- 产品中心 ---------- */
.products-layout{display:grid;grid-template-columns:240px 1fr;gap:24px;align-items:start}
.products-filter{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius-lg);padding:20px;position:sticky;top:80px}
.filter-group{margin-bottom:20px}
.filter-group:last-child{margin-bottom:0}
.filter-group h4{font-size:13px;font-weight:600;color:var(--c-navy);margin-bottom:10px;padding-bottom:8px;border-bottom:1px solid var(--c-border2)}
.filter-opt{display:flex;align-items:center;gap:8px;padding:7px 10px;font-size:13px;color:var(--c-text2);border-radius:var(--radius);cursor:pointer;transition:all .15s}
.filter-opt:hover{background:var(--c-bg);color:var(--c-navy)}
.filter-opt.active{background:var(--c-gold-bg);color:var(--c-gold);font-weight:600}
.filter-opt .cb{width:16px;height:16px;border:1.5px solid var(--c-border);border-radius:3px;flex-shrink:0}
.filter-opt.active .cb{background:var(--c-gold);border-color:var(--c-gold);position:relative}
.filter-opt.active .cb::after{content:'✓';position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:#fff;font-size:11px}

.products-list{display:flex;flex-direction:column;gap:16px}
.product-card{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius-lg);padding:24px;display:flex;justify-content:space-between;align-items:center;gap:20px;transition:all .2s;cursor:pointer}
.product-card:hover{border-color:var(--c-gold-l);box-shadow:var(--shadow-md)}
.product-card .pc-left{flex:1;min-width:0}
.product-card .pc-name{font-size:16px;font-weight:600;color:var(--c-navy);margin-bottom:8px}
.product-card .pc-tags{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:12px}
.product-card .pc-info{display:flex;gap:32px}
.product-card .pc-info .pci-item{text-align:center}
.product-card .pc-info .pci-val{font-size:22px;font-weight:700;color:var(--c-gold)}
.product-card .pc-info .pci-val.lg{color:var(--c-navy)}
.product-card .pc-info .pci-label{font-size:11px;color:var(--c-text3);margin-top:2px}
.product-card .pc-desc{font-size:12.5px;color:var(--c-text2);margin-top:12px;line-height:1.6}
.product-card .pc-right{text-align:center;flex-shrink:0}
.product-card .pc-right .btn-apply{display:inline-block;padding:10px 28px;background:var(--c-navy);color:#fff;border-radius:var(--radius);font-size:13px;font-weight:600;text-decoration:none;transition:all .2s}
.product-card .pc-right .btn-apply:hover{background:var(--c-gold)}
.product-card .pc-right .pc-time{font-size:11px;color:var(--c-text3);margin-top:8px}
.product-card .pc-amount{display:inline-block;margin-top:10px;font-size:18px;font-weight:700;color:var(--c-navy);background:var(--c-gold-bg);padding:4px 14px;border-radius:var(--radius)}

/* ---------- 标签系统 ---------- */
.badge{display:inline-flex;align-items:center;padding:2px 10px;border-radius:3px;font-size:12px;font-weight:500}
.badge-success{background:var(--c-green-l);color:var(--c-success)}
.badge-warning{background:var(--c-orange-l);color:var(--c-warning)}
.badge-danger{background:var(--c-red-l);color:var(--c-danger)}
.badge-info{background:var(--c-blue-l);color:var(--c-info)}
.badge-default{background:var(--c-border2);color:var(--c-text2)}
.badge-gold{background:var(--c-gold-bg);color:var(--c-gold)}

/* ---------- 关于我们 ---------- */
.about-hero{display:grid;grid-template-columns:1fr 420px;gap:48px;align-items:center;padding:40px 0}
.about-text h1{font-size:30px;font-weight:700;color:var(--c-navy);line-height:1.4;margin-bottom:20px}
.about-text p{font-size:14px;color:var(--c-text2);line-height:1.9;margin-bottom:12px}
.about-img{height:320px;background:linear-gradient(135deg,var(--c-navy2),var(--c-navy3));border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.4);font-size:15px}
.cert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.cert-card{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius-lg);padding:28px 20px;text-align:center;transition:all .2s}
.cert-card:hover{border-color:var(--c-gold-l)}
.cert-card .cert-icon{font-size:32px;margin-bottom:12px}
.cert-card h3{font-size:15px;font-weight:600;color:var(--c-navy);margin-bottom:4px}
.cert-card p{font-size:12px;color:var(--c-text2)}

/* ---------- 服务体系 ---------- */
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.service-card{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius-lg);padding:32px 24px;text-align:center;transition:all .2s}
.service-card:hover{border-color:var(--c-gold-l);box-shadow:var(--shadow-md)}
.service-card .svc-icon{font-size:36px;margin-bottom:16px}
.service-card h3{font-size:16px;font-weight:600;color:var(--c-navy);margin-bottom:8px}
.service-card p{font-size:13px;color:var(--c-text2);line-height:1.7}

/* ---------- 新闻列表 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.news-card{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius-lg);overflow:hidden;transition:all .2s;cursor:pointer;text-decoration:none;display:block}
.news-card:hover{border-color:var(--c-gold-l);box-shadow:var(--shadow-md);transform:translateY(-2px)}
.news-card .nc-img{height:180px;background:linear-gradient(135deg,var(--c-navy2),var(--c-navy3));display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.3);font-size:14px}
.news-card .nc-body{padding:20px}
.news-card .nc-cat{font-size:11px;color:var(--c-gold);font-weight:600;margin-bottom:8px;letter-spacing:.5px}
.news-card .nc-title{font-size:15px;font-weight:600;color:var(--c-navy);margin-bottom:8px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card .nc-summary{font-size:12.5px;color:var(--c-text2);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:12px}
.news-card .nc-meta{font-size:11px;color:var(--c-text3)}
.news-cat-filter{display:flex;gap:8px;justify-content:center;margin-bottom:32px;flex-wrap:wrap}
.news-cat-filter a{padding:6px 18px;font-size:13px;color:var(--c-text2);border:1px solid var(--c-border);border-radius:20px;transition:all .2s}
.news-cat-filter a:hover,.news-cat-filter a.active{border-color:var(--c-gold);color:var(--c-gold);background:var(--c-gold-bg)}

/* ---------- 合作招商 ---------- */
.coop-hero{background:var(--c-surface);padding:48px;border-radius:var(--radius-lg);text-align:center;margin-bottom:40px;border:1px solid var(--c-border)}
.coop-hero h2{font-size:26px;color:var(--c-navy);margin-bottom:12px}
.coop-hero p{font-size:14px;color:var(--c-text2);max-width:640px;margin:0 auto 24px;line-height:1.8}
.coop-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.coop-card{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius-lg);padding:32px 24px;text-align:center;transition:all .2s}
.coop-card:hover{border-color:var(--c-gold-l)}
.coop-card .coop-icon{font-size:36px;margin-bottom:14px}
.coop-card h3{font-size:16px;font-weight:600;color:var(--c-navy);margin-bottom:8px}
.coop-card p{font-size:13px;color:var(--c-text2);line-height:1.6;margin-bottom:16px}
.coop-card .coop-commission{font-size:20px;font-weight:700;color:var(--c-gold);margin-bottom:4px}
.coop-card .coop-label{font-size:12px;color:var(--c-text3)}

/* ---------- 联系我们 ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px}
.contact-info{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius-lg);padding:32px}
.contact-info .ci-item{display:flex;align-items:flex-start;gap:14px;padding:16px 0;border-bottom:1px solid var(--c-border2)}
.contact-info .ci-item:last-child{border-bottom:none}
.contact-info .ci-icon{width:40px;height:40px;background:var(--c-gold-bg);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}
.contact-info .ci-title{font-size:14px;font-weight:600;color:var(--c-navy);margin-bottom:4px}
.contact-info .ci-text{font-size:13px;color:var(--c-text2)}
.contact-form-wrap{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius-lg);padding:32px}
.contact-form-wrap h3{font-size:18px;font-weight:600;color:var(--c-navy);margin-bottom:20px}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:13px;font-weight:600;color:var(--c-navy);margin-bottom:6px}
.form-group label .required{color:var(--c-danger)}
.form-group input,.form-group select,.form-group textarea{width:100%;height:40px;padding:0 12px;border:1px solid var(--c-border);border-radius:var(--radius);font-size:13px;color:var(--c-text);outline:none;transition:border-color .2s;font-family:inherit}
.form-group textarea{height:120px;padding:12px;resize:vertical}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--c-gold)}
.form-group select{background:var(--c-surface)}

/* ---------- 空状态 ---------- */
.empty-state{text-align:center;padding:60px 20px;color:var(--c-text3)}
.empty-state .empty-icon{font-size:48px;margin-bottom:16px}
.empty-state p{font-size:14px}

/* ---------- 面包屑 ---------- */
.breadcrumb{font-size:12px;color:var(--c-text3);margin-bottom:20px}
.breadcrumb a{color:var(--c-text2)}
.breadcrumb a:hover{color:var(--c-gold)}
.breadcrumb span{color:var(--c-text3)}
.breadcrumb .sep{margin:0 6px}

/* ---------- 新闻详情 ---------- */
.article-detail{max-width:800px;margin:0 auto}
.article-detail .ad-header{margin-bottom:32px}
.article-detail .ad-header .ad-cat{font-size:12px;color:var(--c-gold);font-weight:600;margin-bottom:8px}
.article-detail .ad-header h1{font-size:26px;font-weight:700;color:var(--c-navy);margin-bottom:12px;line-height:1.4}
.article-detail .ad-header .ad-meta{font-size:12px;color:var(--c-text3)}
.article-detail .ad-body{font-size:15px;line-height:2;color:var(--c-text)}
.article-detail .ad-body p{margin-bottom:16px}

/* ---------- 成果案例 ---------- */
.cases-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.case-card{cursor:pointer}
.case-card:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(0,0,0,0.10)}
.case-card .case-amount{font-size:22px;font-weight:800;color:var(--c-gold);line-height:1.1}

/* 案例筛选标签hover */
.filter-tag:not(.active):hover{border-color:var(--c-gold)!important;color:var(--c-gold)!important}

/* ---------- 全局线索留言弹窗 ---------- */
.lead-modal-overlay{position:fixed;inset:0;background:rgba(26,39,68,.55);z-index:1000;display:flex;align-items:center;justify-content:center;padding:20px;opacity:0;transition:opacity .2s ease}
.lead-modal-overlay.show{opacity:1}
.lead-modal{background:var(--c-surface);border-radius:var(--radius-lg);width:100%;max-width:540px;max-height:90vh;overflow-y:auto;position:relative;box-shadow:var(--shadow-lg);transform:translateY(20px);transition:transform .25s ease}
.lead-modal-overlay.show .lead-modal{transform:translateY(0)}
.lead-modal-close{position:absolute;top:14px;right:16px;width:32px;height:32px;border:none;background:transparent;font-size:26px;line-height:1;color:var(--c-text3);cursor:pointer;transition:color .2s}
.lead-modal-close:hover{color:var(--c-navy)}
.lead-modal-header{padding:24px 28px 0;text-align:center}
.lead-modal-header h3{font-size:18px;color:var(--c-navy);margin-bottom:6px}
.lead-modal-header p{font-size:13px;color:var(--c-text3)}
.lead-modal form{padding:20px 28px 28px}
.lead-modal .form-row{display:flex;gap:16px}
.lead-modal .form-group{margin-bottom:14px}
.lead-modal .form-group label{font-size:12.5px;margin-bottom:5px}
.lead-modal .form-group input,.lead-modal .form-group select,.lead-modal .form-group textarea{background:var(--c-bg)}
.lead-modal .form-group textarea{height:90px}
.lead-modal-tip{text-align:center;font-size:11px;color:var(--c-text3);margin-top:12px;line-height:1.5}
.lead-modal-msg:empty{display:none}

@media (max-width:640px){
  .lead-modal-overlay{padding:12px}
  .lead-modal .form-row{flex-direction:column;gap:0}
  .lead-modal form{padding:16px 20px 24px}
  .lead-modal-header{padding:20px 20px 0}
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:32px}
  .biz-grid,.service-grid,.news-grid,.coop-grid,.cert-grid{grid-template-columns:repeat(2,1fr)}
  .cases-grid{grid-template-columns:repeat(2,1fr)}
  .cases-stats{flex-wrap:wrap}
  .products-layout{grid-template-columns:1fr}
  .products-filter{position:static;display:flex;gap:20px;overflow-x:auto}
  .about-hero{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .process-steps{grid-template-columns:repeat(3,1fr)}
  .process-steps::before{display:none}
  .nav-menu{display:none}
}
@media (max-width:640px){
  .biz-grid,.service-grid,.news-grid,.coop-grid,.cert-grid{grid-template-columns:1fr}
  .cases-grid{grid-template-columns:1fr}
  .hero-content h1{font-size:28px}
  .stats-grid{grid-template-columns:1fr}
  .process-steps{grid-template-columns:repeat(2,1fr)}
}