/* ==========================================================
   河北晟坤食品科技有限公司 官网样式
   版本：v1.0  主题：浅色 / 食品饮料代工
   ========================================================== */

:root{
  --brand:#0B7A5B;
  --brand-dark:#06604A;
  --brand-light:#E8F4EF;
  --accent:#F0821E;
  --accent-dark:#D96C08;
  --accent-light:#FFF2E4;

  --ink:#18211E;
  --ink-2:#3C4A44;
  --muted:#6B7A73;
  --bg:#FFFFFF;
  --bg-soft:#F5F8F6;
  --bg-soft-2:#EEF4F1;
  --line:#E2EAE5;

  --radius:14px;
  --radius-lg:20px;
  --shadow:0 2px 8px rgba(16,40,32,.05);
  --shadow-md:0 8px 28px rgba(16,40,32,.10);
  --maxw:1200px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s}
ul{list-style:none}
button{font-family:inherit}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ---------- 顶部条 ---------- */
.topbar{
  background:var(--brand-dark);color:rgba(255,255,255,.85);
  font-size:13px;
}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:38px;flex-wrap:wrap;gap:8px}
.topbar a:hover{color:#fff}
.topbar-right span{margin-left:18px;display:inline-flex;align-items:center;gap:6px}

/* ---------- 导航 ---------- */
.header{
  position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line);
}
.header .wrap{display:flex;align-items:center;justify-content:space-between;height:74px;gap:20px}

.logo{display:flex;align-items:center;gap:12px;flex-shrink:0}
.logo-mark{
  width:44px;height:44px;border-radius:12px;flex-shrink:0;
  background:linear-gradient(135deg,var(--brand) 0%,#12A177 100%);
  display:flex;align-items:center;justify-content:center;color:#fff;
  font-weight:700;font-size:17px;letter-spacing:1px;
}
.logo-text strong{display:block;font-size:17px;line-height:1.3;letter-spacing:.5px}
.logo-text span{display:block;font-size:11px;color:var(--muted);letter-spacing:2px;text-transform:uppercase}

.nav{display:flex;gap:4px;align-items:center}
.nav a{
  padding:9px 15px;border-radius:9px;font-size:15px;color:var(--ink-2);font-weight:500;
}
.nav a:hover{background:var(--bg-soft);color:var(--brand)}
.nav a.active{color:var(--brand);background:var(--brand-light);font-weight:600}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 24px;border-radius:10px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:all .2s;white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-1px);box-shadow:0 6px 18px rgba(240,130,30,.28)}
.btn-outline{border-color:var(--brand);color:var(--brand);background:transparent}
.btn-outline:hover{background:var(--brand);color:#fff}
.btn-ghost-light{border-color:rgba(255,255,255,.5);color:#fff}
.btn-ghost-light:hover{background:#fff;color:var(--brand-dark)}
.btn-lg{padding:14px 32px;font-size:16px}

.header-cta{display:flex;gap:10px;align-items:center;flex-shrink:0}
.header-cta .tel{font-size:15px;font-weight:700;color:var(--brand)}
.nav-toggle{display:none;background:none;border:none;font-size:24px;color:var(--ink);cursor:pointer}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(1000px 420px at 88% -8%, rgba(240,130,30,.16), transparent 62%),
    radial-gradient(820px 380px at 6% 108%, rgba(18,161,119,.16), transparent 60%),
    linear-gradient(160deg,#F2F8F5 0%,#FFFFFF 58%);
  border-bottom:1px solid var(--line);
}
.hero .wrap{display:grid;grid-template-columns:1.08fr .92fr;gap:52px;align-items:center;padding:76px 24px 84px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);
  color:var(--brand);font-size:13px;font-weight:600;padding:6px 14px;border-radius:999px;margin-bottom:22px;
  box-shadow:var(--shadow);
}
.dot{width:7px;height:7px;border-radius:50%;background:var(--accent)}
.hero h1{font-size:44px;line-height:1.28;font-weight:800;letter-spacing:-.5px;margin-bottom:18px}
.hero h1 em{font-style:normal;color:var(--brand)}
.hero-sub{font-size:17px;color:var(--ink-2);margin-bottom:30px;max-width:560px}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:36px}

.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;max-width:560px}
.hero-stats .item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px 12px;text-align:center;box-shadow:var(--shadow)}
.hero-stats .num{font-size:22px;font-weight:800;color:var(--brand);line-height:1.2}
.hero-stats .num small{font-size:13px;font-weight:600;margin-left:2px}
.hero-stats .label{font-size:12px;color:var(--muted);margin-top:2px}

/* 产品/产线示意卡 */
.hero-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-md);overflow:hidden;
}
.hero-card-head{
  background:linear-gradient(135deg,var(--brand),#13A87B);color:#fff;padding:18px 22px;
  display:flex;justify-content:space-between;align-items:center;
}
.hero-card-head strong{font-size:15px}
.hero-card-head span{font-size:12px;opacity:.85}
.hero-card-body{padding:22px}
.line-row{display:flex;align-items:center;gap:12px;padding:11px 0;border-bottom:1px dashed var(--line)}
.line-row:last-child{border-bottom:none}
.line-ic{width:36px;height:36px;border-radius:10px;background:var(--brand-light);color:var(--brand);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.line-row .t{font-size:14.5px;font-weight:600}
.line-row .d{font-size:12.5px;color:var(--muted)}
.line-row .bar{margin-left:auto;flex-shrink:0;width:96px;text-align:right;font-size:12.5px;color:var(--brand);font-weight:700}
.hero-card-foot{padding:14px 22px;background:var(--bg-soft);font-size:12.5px;color:var(--muted);text-align:center}

/* ---------- 通用区块 ---------- */
.section{padding:84px 0}
.section-soft{background:var(--bg-soft)}
.sec-head{text-align:center;max-width:720px;margin:0 auto 52px}
.sec-tag{display:inline-block;font-size:13px;font-weight:700;color:var(--accent);letter-spacing:2px;margin-bottom:10px}
.sec-head h2{font-size:32px;font-weight:800;line-height:1.35;margin-bottom:14px}
.sec-head p{color:var(--muted);font-size:16px}
.sec-head.left{text-align:left;margin-left:0}

/* 服务卡 */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}

.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:30px 26px;transition:all .25s;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(11,122,91,.28)}
.card-ic{
  width:52px;height:52px;border-radius:14px;background:var(--brand-light);color:var(--brand);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;
}
.card h3{font-size:19px;font-weight:700;margin-bottom:10px}
.card p{color:var(--muted);font-size:14.5px;margin-bottom:14px}
.card ul li{position:relative;padding-left:18px;font-size:14px;color:var(--ink-2);margin-bottom:7px}
.card ul li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:50%;background:var(--brand)}
.card .more{font-size:14px;color:var(--brand);font-weight:600}
.card .more:hover{color:var(--accent-dark)}

/* 产品卡 */
.prod{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
  transition:all .25s;display:flex;flex-direction:column;
}
.prod:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.prod-img{height:158px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.prod-img .big{font-size:30px;font-weight:800;color:rgba(255,255,255,.94);letter-spacing:2px}
.prod-img .sub{position:absolute;bottom:12px;left:0;right:0;text-align:center;font-size:12px;color:rgba(255,255,255,.85)}
.prod-body{padding:20px 22px 24px;flex:1;display:flex;flex-direction:column}
.prod-body h3{font-size:17px;font-weight:700;margin-bottom:8px}
.prod-body p{font-size:14px;color:var(--muted);flex:1;margin-bottom:14px}
.spec{display:flex;flex-wrap:wrap;gap:6px}
.spec span{font-size:12px;background:var(--bg-soft-2);color:var(--ink-2);padding:3px 10px;border-radius:6px}

.p1{background:linear-gradient(135deg,#F0821E,#F5A65B)}
.p2{background:linear-gradient(135deg,#0B7A5B,#3FB98C)}
.p3{background:linear-gradient(135deg,#C0392B,#E1795F)}
.p4{background:linear-gradient(135deg,#2E5AAC,#6E92DA)}
.p5{background:linear-gradient(135deg,#7B5EA7,#AE8CCB)}
.p6{background:linear-gradient(135deg,#1E8C8C,#4FBDB1)}
.p7{background:linear-gradient(135deg,#B8860B,#E0B44A)}
.p8{background:linear-gradient(135deg,#5A6B4A,#8CA172)}

/* 流程 */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step}
.flow-item{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 20px}
.flow-item::after{
  content:"";position:absolute;right:-13px;top:38px;width:12px;height:12px;
  border-top:2px solid var(--line);border-right:2px solid var(--line);
  transform:rotate(45deg);
}
.flow-item:last-child::after{display:none}
.flow-n{
  counter-increment:step;width:34px;height:34px;border-radius:50%;
  background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:15px;margin-bottom:14px;
}
.flow-n::before{content:"0" counter(step)}
.flow-item h4{font-size:16px;font-weight:700;margin-bottom:6px}
.flow-item p{font-size:13.5px;color:var(--muted)}

/* 优势条 */
.adv{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.adv-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px}
.adv-item .n{font-size:28px;font-weight:800;color:var(--accent);line-height:1}
.adv-item .n small{font-size:15px}
.adv-item .t{font-size:15px;font-weight:700;margin:8px 0 6px}
.adv-item .d{font-size:13.5px;color:var(--muted)}

/* 资质 */
.cert-list{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.cert{
  display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:18px 20px;
}
.cert-ic{width:40px;height:40px;border-radius:10px;background:var(--accent-light);color:var(--accent-dark);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.cert .t{font-size:15px;font-weight:700}
.cert .d{font-size:13px;color:var(--muted)}

/* FAQ */
.faq{max-width:880px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);margin-bottom:12px;overflow:hidden}
.faq-q{padding:18px 22px;font-size:16px;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;user-select:none}
.faq-q:hover{color:var(--brand)}
.faq-q .arw{transition:transform .25s;color:var(--brand);flex-shrink:0;font-size:13px}
.faq-item.open .faq-q .arw{transform:rotate(180deg)}
.faq-a{padding:0 22px;color:var(--ink-2);font-size:14.5px;max-height:0;overflow:hidden;transition:max-height .3s ease,padding .3s ease}
.faq-item.open .faq-a{max-height:400px;padding:0 22px 20px}

/* CTA 区 */
.cta-band{
  background:linear-gradient(120deg,var(--brand-dark),#0B7A5B 55%,#13A87B);
  color:#fff;padding:64px 0;
}
.cta-band .wrap{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-band h2{font-size:29px;font-weight:800;margin-bottom:10px}
.cta-band p{opacity:.9;font-size:15.5px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* 页面头图 */
.page-hero{
  background:linear-gradient(135deg,#0B7A5B,#13A87B);color:#fff;padding:60px 0 62px;
}
.page-hero h1{font-size:34px;font-weight:800;margin-bottom:10px}
.page-hero p{opacity:.9;font-size:16px;max-width:700px}
.crumb{font-size:13px;opacity:.8;margin-bottom:14px}
.crumb a:hover{color:#fff;text-decoration:underline}

/* 内容区 */
.block{padding:74px 0}
.block-soft{background:var(--bg-soft)}
.prose{max-width:900px}
.prose h3{font-size:22px;font-weight:700;margin:34px 0 14px}
.prose h3:first-child{margin-top:0}
.prose p{color:var(--ink-2);margin-bottom:14px;font-size:15.5px}

.two-col{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:center}
.two-col .img-box{
  border-radius:var(--radius-lg);height:340px;display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:20px;font-weight:700;letter-spacing:3px;
  background:linear-gradient(135deg,#0B7A5B,#3FB98C);box-shadow:var(--shadow-md);
}
.img-box.alt{background:linear-gradient(135deg,#F0821E,#F5A65B)}

.kv{display:grid;grid-template-columns:repeat(2,1fr);gap:0;margin-top:22px}
.kv div{border-top:1px solid var(--line);padding:14px 0}
.kv dt{font-size:13px;color:var(--muted);margin-bottom:2px}
.kv dd{font-size:16px;font-weight:700}

/* 表格 */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
table{width:100%;border-collapse:collapse;font-size:14.5px;min-width:640px}
th,td{padding:15px 20px;text-align:left;border-bottom:1px solid var(--line)}
th{background:var(--bg-soft-2);font-weight:700;font-size:14px;color:var(--ink)}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:var(--bg-soft)}
td .yes{color:var(--brand);font-weight:700}

/* 联系 */
.contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px}
.info-item{display:flex;gap:16px;padding:20px 0;border-bottom:1px solid var(--line)}
.info-item:last-child{border-bottom:none}
.info-ic{width:44px;height:44px;border-radius:12px;background:var(--brand-light);color:var(--brand);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.info-item .t{font-size:13px;color:var(--muted)}
.info-item .v{font-size:17px;font-weight:700}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px;box-shadow:var(--shadow-md)}
.form-card h3{font-size:20px;font-weight:700;margin-bottom:6px}
.form-card .tip{font-size:13.5px;color:var(--muted);margin-bottom:22px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;
  font-size:14.5px;font-family:inherit;background:#fff;color:var(--ink);transition:border-color .2s,box-shadow .2s;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(11,122,91,.10);
}
.field textarea{resize:vertical;min-height:96px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-note{font-size:12.5px;color:var(--muted);margin-top:12px;line-height:1.6}
.form-ok{
  display:none;margin-top:16px;padding:14px 16px;border-radius:10px;
  background:var(--brand-light);color:var(--brand-dark);font-size:14px;font-weight:600;
}

/* 页脚 */
.footer{background:#13201C;color:rgba(255,255,255,.72);padding:60px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.footer h4{color:#fff;font-size:16px;font-weight:700;margin-bottom:18px}
.footer .f-logo{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer .f-logo .logo-mark{background:linear-gradient(135deg,#13A87B,#0B7A5B)}
.footer .f-logo strong{color:#fff;font-size:16px}
.footer p{font-size:13.5px;line-height:1.9;margin-bottom:14px}
.footer ul li{margin-bottom:10px;font-size:13.5px}
.footer ul li a:hover{color:#fff}
.footer .contact-li{display:flex;gap:10px;align-items:flex-start}
.footer .big-tel{color:#fff;font-size:22px;font-weight:800;letter-spacing:.5px}
.footer .big-tel:hover{color:var(--accent)}

.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:22px 0 30px;font-size:12.5px}
.footer-bottom .wrap{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;align-items:center}
.beian{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.beian a:hover{color:#fff}
.beian .ghs{
  width:16px;height:16px;border-radius:3px;background:#fff;color:#13201C;
  font-size:9px;display:inline-flex;align-items:center;justify-content:center;font-weight:700;
}
.footer-bottom .links a{margin-left:14px}

/* 悬浮咨询 */
.float-bar{
  position:fixed;right:18px;bottom:22px;z-index:120;display:flex;flex-direction:column;gap:10px;
}
.float-btn{
  width:54px;height:54px;border-radius:50%;display:flex;flex-direction:column;
  align-items:center;justify-content:center;color:#fff;font-size:11px;gap:2px;
  box-shadow:0 8px 22px rgba(16,40,32,.22);border:none;cursor:pointer;transition:transform .2s;
}
.float-btn:hover{transform:translateY(-3px)}
.float-btn svg{width:20px;height:20px}
.fb-tel{background:var(--brand)}
.fb-top{background:rgba(24,33,30,.72)}

/* 动画 */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .hero .wrap{grid-template-columns:1fr;gap:40px;padding:56px 24px 64px}
  .hero h1{font-size:36px}
  .grid-3,.grid-4,.flow,.adv{grid-template-columns:repeat(2,1fr)}
  .flow-item::after{display:none}
  .contact-grid,.two-col{grid-template-columns:1fr;gap:34px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .nav{display:none}
  .nav-toggle{display:block}
  .header-cta .tel{display:none}
}
@media (max-width:720px){
  .section,.block{padding:56px 0}
  .sec-head h2{font-size:25px}
  .hero h1{font-size:29px}
  .hero-sub{font-size:15.5px}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .grid-3,.grid-4,.flow,.adv,.cert-list{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cta-band h2{font-size:23px}
  .field-row{grid-template-columns:1fr}
  .page-hero h1{font-size:26px}
  .float-bar{right:12px;bottom:14px}
  .float-btn{width:48px;height:48px}
}