:root{
  --green-900:#063B33;
  --green-700:#0A8B5A;
  --green-500:#12B981;
  --green-300:#5BE0AE;
  --green-100:#BFF3DF;
  --green-50:#E6FAF1;
  --ink:#13211C;
  --accent:#E5484D;
  --accent-dark:#C93B40;
  --bg:#F4FBF8;
  --surface:#FFFFFF;
  --text:#16302A;
  --muted:#547065;
  --line:#CDEFE1;
  --radius:14px;
  --maxw:1180px;
  --font: "PingFang SC","Microsoft YaHei","Hiragino Sans GB",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--text);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:84px 0}
.section-sm{padding:56px 0}
h1,h2,h3{font-weight:700;line-height:1.3;color:var(--ink)}
h2{font-size:30px;margin-bottom:14px}
h3{font-size:20px;margin-bottom:10px}
.eyebrow{color:var(--green-700);font-size:14px;font-weight:600;letter-spacing:2px;text-transform:uppercase;margin-bottom:12px;display:inline-flex;align-items:center}
.eyebrow::before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--accent);margin-right:8px}
.badge{display:inline-flex;align-items:center;gap:6px;background:var(--accent);color:#fff;font-size:13px;font-weight:600;padding:7px 14px;border-radius:999px;box-shadow:0 6px 16px rgba(229,72,77,.32)}
.badge-ink{background:var(--ink);box-shadow:0 6px 16px rgba(19,33,28,.28)}
.lead{color:var(--muted);font-size:17px;max-width:680px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 26px;border-radius:999px;font-size:15px;font-weight:600;transition:.2s;cursor:pointer;border:none}
.btn-primary{background:var(--green-700);color:#fff}
.btn-primary:hover{background:var(--green-900)}
.btn-ghost{background:transparent;color:var(--accent-dark);border:1.5px solid var(--accent)}
.btn-ghost:hover{background:var(--accent);color:#fff}

/* Topbar */
.topbar{background:var(--green-900);color:#cfe9e0;font-size:13px}
.topbar .container{display:flex;justify-content:space-between;align-items:center;height:36px;gap:12px}
.topbar b{color:var(--accent);font-weight:700}
.topbar .tb-time{font-variant-numeric:tabular-nums}

/* Header */
.header{position:sticky;top:0;z-index:50;background:rgba(233,251,243,.88);backdrop-filter:blur(10px);border-bottom:1px solid rgba(10,139,90,.14)}
.nav{display:flex;align-items:center;justify-content:space-between;height:84px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--ink);font-size:19px}
.brand img{height:56px;width:auto}
.nav-links{display:flex;gap:30px;list-style:none}
.nav-links a{font-size:15px;color:var(--ink);font-weight:700;transition:.2s}
.nav-links a:hover,.nav-links a.active{color:var(--green-700)}
.nav-cta{display:flex;align-items:center;gap:14px}
.phone{font-weight:600;color:var(--green-700);font-size:15px}
.menu-toggle{display:none;background:none;border:none;font-size:24px;color:var(--green-700);cursor:pointer}

/* Hero */
.hero{padding:96px 0 80px;background:linear-gradient(160deg,#E9FBF3 0%,#CFF3E4 38%,transparent 100%)}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.hero h1{font-size:46px;margin-bottom:20px;position:relative;display:inline-block}
.hero h1::after{content:"";position:absolute;left:0;bottom:-8px;width:64px;height:5px;border-radius:3px;background:var(--green-500)}
.hero .lead{margin-bottom:30px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{display:flex;gap:26px;margin-top:42px;flex-wrap:wrap}
.stat .num{font-size:30px;font-weight:800;color:var(--green-500)}
.stat .label{font-size:13px;color:var(--muted)}
.hero-photo{border-radius:20px;overflow:hidden;box-shadow:0 20px 50px rgba(15,110,86,.15);position:relative;background:var(--green-50)}
.hero-photo .badge{position:absolute;left:16px;bottom:16px}
.hero-photo img{width:100%;height:480px;object-fit:contain;object-position:center}

/* Cards / grid */
.grid{display:grid;gap:24px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:linear-gradient(180deg,#F3FBF7 0%,#E8F6EF 100%);border:1px solid rgba(18,185,129,.3);border-radius:var(--radius);padding:28px;transition:.2s}
.card:hover{box-shadow:0 12px 30px rgba(15,110,86,.1);transform:translateY(-3px)}
.card h3{color:var(--green-700)}
.card .ico{width:46px;height:46px;border-radius:12px;background:#fff;border:1px solid rgba(18,185,129,.35);display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:16px}

/* Section heading centered */
.head-center{text-align:center;max-width:700px;margin:0 auto 48px}
.head-center .lead{margin:0 auto}
.head-center h2{position:relative;display:inline-block;padding-bottom:14px}
.head-center h2::after{content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:0;width:48px;height:4px;border-radius:2px;background:var(--accent)}

/* Service list */
.price{font-size:18px;font-weight:700;color:var(--green-700)}
.price span{font-size:13px;color:var(--muted);font-weight:400}
.svc{display:flex;justify-content:space-between;align-items:center;padding:16px 0;border-bottom:1px dashed var(--line)}
.svc:last-child{border-bottom:none}

/* Team */
.team-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.team-card img{height:280px;width:100%;object-fit:cover;object-position:center top}
.team-card .t-body{padding:16px}
.tag{display:inline-block;background:var(--green-50);color:var(--green-700);font-size:12px;padding:4px 10px;border-radius:999px;margin:2px 4px 2px 0}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(7,1fr);gap:12px;counter-reset:step}
.step{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px 14px;text-align:center}
.step .n{width:34px;height:34px;border-radius:50%;background:var(--green-700);color:#fff;display:flex;align-items:center;justify-content:center;margin:0 auto 12px;font-weight:700}
.step p{font-size:13px;color:var(--muted)}

/* Form */
.form-wrap{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:36px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:7px}
.field input,.field textarea,.field select{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;font-size:15px;font-family:var(--font);background:#fff;transition:.2s}
.field input:focus,.field textarea:focus{border-color:var(--green-500);outline:none}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.note{font-size:13px;color:var(--muted);margin-top:10px}
.form-success{display:none;background:var(--green-50);border:1px solid var(--green-100);color:var(--green-700);padding:16px;border-radius:10px;margin-bottom:18px}

/* Contact info */
.info-row{display:flex;gap:14px;align-items:flex-start;padding:14px 0;border-bottom:1px solid var(--line)}
.info-row .ic{font-size:20px}
.info-row b{display:block;color:var(--green-900)}
.info-row span{color:var(--muted);font-size:15px}

/* Footer */
.footer{background:var(--ink);color:#cfe9e0;padding:56px 0 28px}
.footer h4{color:#fff;font-size:16px;margin-bottom:16px}
.footer a,.footer p{color:#bfe0d6;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr 1.3fr;gap:32px}
.footer .addr-nowrap{white-space:nowrap;font-size:13px}
.footer .col-center{text-align:center}
.footer .col-center h4{text-align:left}
@media(max-width:900px){.footer .addr-nowrap{white-space:normal}}
.footer ul{list-style:none}
.footer ul li{margin-bottom:9px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding-top:20px;font-size:13px;color:#9fc4b9;text-align:center}

/* Responsive */
@media(max-width:900px){
  .hero-grid{grid-template-columns:1fr}
  .hero-photo img{height:300px}
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .topbar .welcome{display:none}
  .topbar .container{height:32px;font-size:12px}
  .nav{height:74px}
  .brand{font-size:17px}
  .brand img{height:50px}
  .phone{font-size:13px}
  .nav-cta .btn{padding:9px 16px;font-size:13px}
  .nav-links{display:none;position:absolute;top:74px;left:0;right:0;background:#F2FBF6;flex-direction:column;padding:18px 24px;gap:14px;border-bottom:1px solid rgba(10,139,90,.14)}
  .nav-links.open{display:flex}
  .menu-toggle{display:block}
  .hero h1{font-size:34px}
  h2{font-size:24px}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .section{padding:60px 0}
}

/* QR card in footer */
.qr-card{display:inline-flex;flex-direction:column;align-items:center;gap:8px;background:#fff;border-radius:14px;padding:14px 16px;margin-top:4px;box-shadow:0 6px 18px rgba(0,0,0,.18)}
.qr-card img{width:118px;height:118px;display:block}
.qr-card span{font-size:13px;color:var(--ink);font-weight:600}

/* Privacy policy prose */
.policy{max-width:820px;margin:0 auto}
.policy h2{text-align:left;font-size:21px;margin:30px 0 10px;color:var(--ink)}
.policy h2::after{display:none}
.policy p{line-height:1.9;color:#33473f;margin-bottom:12px}
.policy ul{margin:0 0 14px 20px;color:#33473f}
.policy li{line-height:1.9}
.policy b{color:var(--green-900)}

/* Consent checkbox */
.consent{margin-bottom:14px}
.consent-label{display:flex;align-items:flex-start;gap:8px;font-size:13px;color:var(--muted);line-height:1.6;font-weight:400;cursor:pointer}
.consent-label input{width:auto;margin-top:3px;flex:none;accent-color:var(--green-700)}
.consent-label a{color:var(--green-700)}

/* Anchor & policy list */
html{scroll-behavior:smooth}
.section,.section-sm{scroll-margin-top:100px}
.policy-list{margin:0;padding:0;list-style:none;color:#33473f}
.policy-list li{position:relative;padding-left:22px;line-height:1.9;margin-bottom:8px}
.policy-list li::before{content:"";position:absolute;left:0;top:12px;width:8px;height:8px;border-radius:50%;background:var(--green-500)}
.policy-list.num{padding-left:22px;list-style:decimal}
.policy-list.num li{padding-left:2px}
.policy-list.num li::before{display:none}
.policy-list.num li::marker{color:var(--green-700);font-weight:700}

/* 开放城市墙 */
.city-wall{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;max-width:900px;margin:0 auto}
.city-wall span{background:#fff;border:1px solid var(--green-100);color:var(--green-900);font-size:15px;padding:9px 18px;border-radius:999px;box-shadow:0 2px 8px rgba(15,110,86,.06);transition:.2s}
.city-wall span:hover{border-color:var(--green-500);color:var(--green-700);transform:translateY(-2px)}
.city-wall .more{background:var(--green-50);border-style:dashed;color:var(--green-700)}
.city-note{text-align:center;color:var(--muted);font-size:14px;margin-top:22px}

/* 监督举报 */
.report-band{background:linear-gradient(135deg,var(--green-900) 0%,#0A5C46 100%);color:#cfe9e0;padding:64px 0}
.report-band h2{color:#fff}
.report-band .lead{color:#bfe0d6}
.rule-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:38px}
.rule-card{background:rgba(255,255,255,.07);border:1px solid rgba(91,224,174,.32);border-radius:var(--radius);padding:26px 24px}
.rule-card .no{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:9px;background:var(--accent);color:#fff;font-weight:700;font-size:15px;margin-bottom:14px}
.rule-card h3{color:#fff;font-size:19px;margin-bottom:10px}
.rule-card p{color:#bfe0d6;font-size:15px;line-height:1.85}
.report-phones{display:flex;gap:16px;flex-wrap:wrap;justify-content:center;margin-top:36px}
.report-phone{display:flex;align-items:center;gap:12px;background:#fff;border-radius:12px;padding:16px 24px;box-shadow:0 10px 26px rgba(0,0,0,.16)}
.report-phone .ic{font-size:24px}
.report-phone b{display:block;color:var(--ink);font-size:13px;font-weight:600;color:var(--muted)}
.report-phone .num{font-size:20px;font-weight:700;color:var(--green-700);letter-spacing:.5px}

/* 品牌动态 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
/* 服务页预约演示视频 */
.svc-video{width:100%;border-radius:12px;display:block;box-shadow:0 8px 20px rgba(15,110,86,.12)}
.svc-video video{width:100%;height:380px;object-fit:contain;background:#000;display:block;border-radius:12px}
/* 价目卡内容垂直居中，与右侧对齐 */
.svc-center{display:flex;flex-direction:column;justify-content:center}
@media(max-width:640px){
  .svc-video video{height:280px}
}.news-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:.2s}
.news-card:hover{box-shadow:0 12px 30px rgba(15,110,86,.1);transform:translateY(-3px)}
.news-card .n-body{padding:24px;display:flex;flex-direction:column;flex:1}
.news-card .n-meta{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.news-card .n-date{font-size:12px;color:var(--muted)}
.news-card h3{font-size:18px;line-height:1.5;margin-bottom:10px}
.news-card p{color:var(--muted);font-size:15px;flex:1}
.news-card .n-foot{margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);font-size:13px;color:var(--green-700);font-weight:600}

@media(max-width:900px){
  .rule-grid,.news-grid{grid-template-columns:1fr}
}