/* ============================================================
   仁邦自动化 v6 · 前台样式（HENLI 式 B2B 出海站）
   配色：白底 / 深蓝(#163a5f) / 金属蓝(#1a6fb5) / 橙 CTA(#f5821f)
   ============================================================ */
:root{
  --ink:#1b2a3a; --mut:#5a6b7c; --line:#e3e8ee; --card:#f7f9fb;
  --blue:#163a5f; --blue2:#1a6fb5; --orange:#f5821f; --orange-d:#e0710e;
  --white:#fff; --bg:#fff;
  --radius:10px; --shadow:0 4px 20px rgba(20,40,70,.08);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",Roboto,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;font-size:15px}
img{max-width:100%;display:block}
a{color:var(--blue2);text-decoration:none}
a:hover{color:var(--orange)}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* ========== 头部 ========== */
.site-header{position:sticky;top:0;z-index:100;background:#fff;border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink)}
.brand-logo{width:42px;height:42px;border-radius:9px;background:linear-gradient(135deg,var(--blue),var(--blue2));color:#fff;font-weight:800;font-size:22px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.brand-text b{display:block;font-size:16.5px;line-height:1.2}
.brand-text small{display:block;font-size:11px;color:var(--mut)}
.main-nav{display:flex;align-items:center;gap:22px}
.main-nav a{color:var(--ink);font-size:14px;font-weight:600;position:relative;padding:6px 0}
.main-nav a:hover{color:var(--orange)}
.main-nav a.active{color:var(--orange)}
.main-nav a.active::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:2.5px;background:var(--orange);border-radius:2px}
.btn-quote{display:inline-block;background:var(--orange);color:#fff!important;font-weight:700;font-size:13.5px;padding:10px 22px;border-radius:7px;transition:.2s;letter-spacing:.3px}
.btn-quote:hover{background:var(--orange-d);transform:translateY(-1px)}
.btn-quote.btn-lg{padding:14px 34px;font-size:16px}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px}
.nav-toggle span{width:24px;height:2.5px;background:var(--ink);border-radius:2px}
/* 语言切换 */
.lang-switcher{position:relative}
.lang-btn{background:var(--card);border:1px solid var(--line);border-radius:7px;padding:7px 12px;font-size:13px;cursor:pointer;color:var(--ink)}
.lang-drop{display:none;position:absolute;top:calc(100% + 6px);right:0;background:#fff;border:1px solid var(--line);border-radius:9px;box-shadow:var(--shadow);min-width:140px;z-index:200;overflow:hidden}
.lang-switcher:hover .lang-drop,.lang-switcher:focus-within .lang-drop{display:block}
.lang-drop a{display:block;padding:10px 16px;font-size:13.5px;color:var(--ink)}
.lang-drop a:hover{background:var(--card);color:var(--orange)}

/* ========== Hero（首页） ========== */
.hero{position:relative;background:linear-gradient(115deg,#10263f 0%,#163a5f 55%,#1a6fb5 100%);color:#fff;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 85% 20%,rgba(255,255,255,.08),transparent 45%)}
.hero-inner{position:relative;z-index:2;padding:90px 20px 80px;max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1.15fr .85fr;gap:50px;align-items:center}
.hero h1{font-size:40px;line-height:1.2;font-weight:800;margin-bottom:18px}
.hero h1 em{font-style:normal;color:#ffb35c}
.hero p.lead{font-size:16.5px;color:#c9d8ea;max-width:520px;margin-bottom:30px}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap}
.hero .btn-quote{padding:14px 30px;font-size:15px}
.btn-ghost{display:inline-block;border:1.5px solid rgba(255,255,255,.45);color:#fff;font-weight:600;font-size:14px;padding:13px 28px;border-radius:7px;transition:.2s}
.btn-ghost:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.08)}
.hero-img img{border-radius:14px;box-shadow:0 20px 60px rgba(0,0,0,.35)}
/* 交期承诺条 */
.hero-promise{margin-top:38px;display:grid;grid-template-columns:repeat(3,1fr);gap:14px;max-width:640px}
.promise{background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.16);border-radius:10px;padding:14px 16px}
.promise b{display:block;font-size:17px;color:#ffb35c;margin-bottom:2px}
.promise span{font-size:12px;color:#c9d8ea}

/* ========== 区块通用 ========== */
.section{padding:72px 0}
.section.alt{background:var(--card)}
.sec-head{text-align:center;max-width:680px;margin:0 auto 44px}
.sec-head .eyebrow{color:var(--orange);font-weight:700;font-size:13px;letter-spacing:1.5px;text-transform:uppercase}
.sec-head h2{font-size:30px;font-weight:800;margin:8px 0 10px}
.sec-head p{color:var(--mut)}

/* ========== 产品网格 ========== */
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.prod-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s}
.prod-card:hover{box-shadow:var(--shadow);transform:translateY(-4px);border-color:var(--blue2)}
.prod-card .pc-img{aspect-ratio:4/3;overflow:hidden;background:var(--card)}
.prod-card .pc-img img{width:100%;height:100%;object-fit:cover;transition:.4s}
.prod-card:hover .pc-img img{transform:scale(1.05)}
.prod-card .pc-body{padding:18px 20px 22px}
.prod-card h3{font-size:16.5px;margin-bottom:6px}
.prod-card p{font-size:13px;color:var(--mut);margin-bottom:12px}
.prod-card .pc-link{font-weight:700;font-size:13.5px;color:var(--blue2)}
.prod-card .pc-link:hover{color:var(--orange)}

/* ========== 引导式询盘（What do you need to solve） ========== */
.guide{background:linear-gradient(135deg,#f5f8fb,#eaf1f8);border:1px solid var(--line);border-radius:14px;padding:36px}
.guide h3{font-size:22px;font-weight:800;margin-bottom:6px}
.guide .g-sub{color:var(--mut);margin-bottom:24px}
.guide-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:24px}
.g-step{background:#fff;border:1px solid var(--line);border-radius:10px;padding:16px}
.g-step .g-num{color:var(--orange);font-weight:800;font-size:13px}
.g-step b{display:block;font-size:14.5px;margin:4px 0 2px}
.g-step span{font-size:12px;color:var(--mut)}
.guide .btn-quote{padding:13px 30px;font-size:15px}

/* ========== 数字统计 ========== */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{text-align:center;padding:26px 14px}
.stat b{font-size:34px;font-weight:800;color:var(--blue2);display:block}
.stat span{color:var(--mut);font-size:13.5px}

/* ========== 客户墙 ========== */
.client-wall{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.client-chip{background:#fff;border:1px solid var(--line);border-radius:8px;padding:10px 20px;font-size:13px;font-weight:600;color:var(--mut)}

/* ========== 内页 Hero ========== */
.page-hero{background:linear-gradient(115deg,#10263f,#163a5f 60%,#1a6fb5);color:#fff;padding:56px 0 48px}
.page-hero h1{font-size:32px;font-weight:800}
.page-hero p{color:#c9d8ea;margin-top:8px;max-width:640px}
.breadcrumb{margin:18px 0;font-size:13px;color:var(--mut)}
.breadcrumb a{color:var(--mut)}
.breadcrumb a:hover{color:var(--orange)}
.bc-sep{margin:0 6px;color:#b6c2ce}

/* ========== 通用布局 ========== */
.page-body{padding:40px 0 64px}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:start}
.card-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.card-box h3{font-size:18px;margin-bottom:12px;color:var(--blue)}
.card-box p{color:var(--mut);font-size:14px}

/* ========== 参数表格（产品页） ========== */
.spec-table{width:100%;border-collapse:collapse;font-size:13.5px;background:#fff}
.spec-table th{background:var(--blue);color:#fff;text-align:left;padding:11px 14px;font-weight:600}
.spec-table td{padding:10px 14px;border-bottom:1px solid var(--line)}
.spec-table tr:nth-child(even) td{background:var(--card)}
.spec-table td:first-child{font-weight:600;color:var(--blue);white-space:nowrap}

/* ========== 表单（RFQ） ========== */
.rfq-form{background:#fff;border:1px solid var(--line);border-radius:14px;padding:30px;box-shadow:var(--shadow)}
.rfq-form h3{font-size:20px;margin-bottom:16px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-item{margin-bottom:14px}
.form-item label{display:block;font-size:13px;font-weight:600;margin-bottom:6px}
.form-item label .req{color:var(--orange)}
.form-item input,.form-item select,.form-item textarea{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:8px;font-size:14px;font-family:inherit;outline:none;transition:.2s;background:#fff}
.form-item input:focus,.form-item select:focus,.form-item textarea:focus{border-color:var(--blue2);box-shadow:0 0 0 3px rgba(26,111,181,.12)}
.form-item textarea{min-height:110px;resize:vertical}
.form-full{grid-column:1/-1}
.equip-checks{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
.equip-check{display:flex;align-items:center;gap:8px;font-size:13.5px;padding:8px 10px;border:1px solid var(--line);border-radius:7px;cursor:pointer;background:var(--card)}
.equip-check:hover{border-color:var(--blue2)}
.equip-check input{width:auto;accent-color:var(--orange)}
.equip-check.selected{border-color:var(--orange);background:#fff5ec}
.btn-submit{width:100%;padding:14px;background:var(--orange);color:#fff;border:none;border-radius:8px;font-size:16px;font-weight:700;cursor:pointer;transition:.2s}
.btn-submit:hover{background:var(--orange-d)}
.form-note{font-size:12px;color:var(--mut);text-align:center;margin-top:10px}

/* ========== CTA 条 ========== */
.cta-strip{background:linear-gradient(115deg,#163a5f,#1a6fb5);color:#fff;padding:48px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.cta-inner h3{font-size:22px;font-weight:800}
.cta-inner p{color:#c9d8ea;margin-top:6px}

/* ========== 页脚 ========== */
.site-footer{background:#0e1d30;color:#9fb0c4;padding:56px 0 24px;font-size:13.5px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:14px}
.site-footer a{display:block;color:#9fb0c4;margin-bottom:8px}
.site-footer a:hover{color:var(--orange)}
.site-footer p{margin-bottom:8px}
.f-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:10px}
.f-slogan{font-size:13px}
.f-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:36px;padding-top:18px;text-align:center;font-size:12.5px;color:#6f8298}

/* ========== WhatsApp 悬浮 ========== */
.whatsapp-float{position:fixed;right:22px;bottom:22px;width:56px;height:56px;border-radius:50%;background:#25d366;color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 20px rgba(37,211,102,.4);z-index:999;transition:.2s}
.whatsapp-float:hover{transform:scale(1.08);background:#1fb958}

/* ========== 响应式 ========== */
@media(max-width:1024px){
  .hero-inner{grid-template-columns:1fr;padding:60px 20px}
  .prod-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
  .guide-steps{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .nav-toggle{display:flex}
  .main-nav{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;padding:16px 20px 24px;border-bottom:1px solid var(--line);gap:14px;align-items:flex-start}
  .main-nav.open{display:flex}
  .main-nav .lang-switcher{width:100%}
  .hero h1{font-size:28px}
  .prod-grid{grid-template-columns:1fr}
  .two-col{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .equip-checks{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
}
[dir="rtl"] .hero-inner{direction:rtl}
[dir="rtl"] .main-nav{gap:18px}