:root{
  /* 观心品牌色板：对齐 guanxinlab.com（莫兰迪灰绿 + 米色 + 深灰） */
  --brand:#6F977D; --brand2:#5D8069; --brand-soft:#EEF3F0; --brand-softer:#F6F9F7;
  --beige:#F7EEE1;
  --accent:#C99B6F; --accent-soft:#F9F2E9;
  --violet:#6B5BD2; --violet-soft:#EFEDFB;
  --green:#5D8069; --green-soft:#E8F1EB;
  --rose:#C25B56; --rose-soft:#FBEDEC;
  --ink:#333333; --ink2:#5F5F5F; --ink3:#808080; --line:#E5E5E5;
  --bg:#FFFFFF; --bg-soft:#F7F6F3;
  --shadow:0 2px 12px rgba(61,61,61,.06);
  --shadow-lg:0 12px 40px rgba(61,61,61,.12);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Helvetica Neue","Microsoft YaHei",sans-serif;
  color:var(--ink);line-height:1.7;font-size:15px;-webkit-font-smoothing:antialiased;background:var(--bg)}
a{color:var(--brand);text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;font-size:inherit}
input,select,textarea{font-family:inherit;font-size:inherit}
.wrap{max-width:1140px;margin:0 auto;padding:0 24px}
.wrap.narrow{max-width:820px}

/* ---------- 导航 ---------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}
.nav .in{max-width:1140px;margin:0 auto;padding:0 24px;height:64px;display:flex;align-items:center;gap:28px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;color:var(--ink)}
.logo .mk{width:30px;height:30px;border-radius:5px;background:var(--brand);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:15px}
.logo small{display:block;font-size:10.5px;color:var(--ink3);font-weight:500;line-height:1.2}
.nav .links{display:flex;gap:24px;margin-left:auto;align-items:center}
.nav .links a{color:var(--ink2);font-size:14.5px}
.nav .links a:hover,.nav .links a.on{color:var(--brand);font-weight:600}
.nav .cta{padding:8px 18px;background:var(--brand);color:#fff;border-radius:5px;font-size:14px;font-weight:600}
.nav .cta:hover{background:var(--brand2)}
.nav .cta.ghost{background:#fff;color:var(--brand);border:1px solid #D9E3DC}
.nav .burger{display:none;margin-left:auto;font-size:22px}

/* ---------- Hero ---------- */
.hero{background:linear-gradient(150deg,#F7EEE1 0%,#FBF8F3 40%,#F0F4F1 100%);
  padding:78px 0 68px;position:relative;overflow:hidden}
.hero:before{content:"";position:absolute;right:-140px;top:-120px;width:460px;height:460px;
  border-radius:50%;background:radial-gradient(circle,rgba(111,151,125,.14),transparent 68%)}
.hero:after{content:"";position:absolute;left:-160px;bottom:-180px;width:420px;height:420px;
  border-radius:50%;background:radial-gradient(circle,rgba(201,155,111,.10),transparent 68%)}
.hero .in{position:relative;z-index:2;max-width:1140px;margin:0 auto;padding:0 24px}
.tagline{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid #D9E3DC;
  color:#4E6B58;padding:6px 15px;border-radius:5px;font-size:13px;font-weight:600;margin-bottom:22px}
.tagline i{width:6px;height:6px;border-radius:50%;background:var(--brand);font-style:normal}
.hero h1{font-size:42px;line-height:1.28;font-weight:800;letter-spacing:-.6px;margin-bottom:18px}
.hero h1 em{font-style:normal;color:var(--brand)}
.hero p.lead{font-size:17px;color:var(--ink2);max-width:640px;margin-bottom:30px;line-height:1.8}
.hero .btns{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:44px}
.btn-lg{padding:13px 28px;background:var(--brand);color:#fff;border-radius:5px;font-size:15.5px;font-weight:600;
  box-shadow:0 6px 18px rgba(111,151,125,.24)}
.btn-lg:hover{background:var(--brand2)}
.btn-lg.ghost{background:#fff;color:var(--brand);border:1px solid #D9E3DC;box-shadow:none}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;max-width:760px}
.stat{background:rgba(255,255,255,.82);border:1px solid rgba(255,255,255,.9);border-radius:8px;padding:16px 18px}
.stat b{display:block;font-size:26px;font-weight:800;color:var(--brand);letter-spacing:-.5px}
.stat span{font-size:12.5px;color:var(--ink2)}

/* ---------- 区块 ---------- */
section{padding:74px 0}
section.soft{background:var(--bg-soft)}
.sec-head{text-align:center;margin-bottom:44px}
.sec-head .k{font-size:12.5px;color:var(--brand);font-weight:700;letter-spacing:.08em;margin-bottom:10px}
.sec-head h2{font-size:31px;font-weight:800;letter-spacing:-.4px;margin-bottom:12px}
.sec-head p{color:var(--ink2);max-width:660px;margin:0 auto;font-size:15.5px}

/* 痛点 / 卡片 */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:8px;padding:26px;box-shadow:var(--shadow)}
.card .ic{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  font-size:21px;margin-bottom:16px;background:var(--green-soft);color:var(--brand2)}
.card .ic svg{width:24px;height:24px}
.card h3{font-size:17px;font-weight:700;margin-bottom:9px}
.card p{font-size:14px;color:var(--ink2);line-height:1.78}
.card .hl{display:block;margin-top:13px;font-size:13px;color:var(--brand);font-weight:600}

/* 四大支柱 */
.pillars{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.pillar{background:#fff;border:1px solid var(--line);border-radius:8px;padding:22px;position:relative;
  transition:.18s;box-shadow:var(--shadow)}
.pillar:hover{transform:translateY(-3px);border-color:var(--brand);box-shadow:var(--shadow-lg)}
.pillar .pno{font-size:11.5px;font-weight:700;color:var(--brand);letter-spacing:.1em;margin-bottom:10px}
.pillar h4{font-size:16.5px;font-weight:700;margin-bottom:8px}
.pillar p{font-size:13.5px;color:var(--ink2);line-height:1.75}
.pillar ul{list-style:none;margin-top:13px;padding-top:13px;border-top:1px dashed var(--line)}
.pillar li{font-size:12.8px;color:var(--ink2);padding:3px 0 3px 15px;position:relative}
.pillar li:before{content:"";position:absolute;left:0;top:11px;width:5px;height:5px;border-radius:50%;background:var(--brand2)}

/* 套餐 */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:start}
.plan{background:#fff;border:1px solid var(--line);border-radius:10px;padding:28px 26px;position:relative;
  box-shadow:var(--shadow);transition:.18s}
.plan:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}
.plan.hot{border:2px solid var(--brand);box-shadow:0 10px 34px rgba(111,151,125,.16)}
.plan .badge{position:absolute;top:-12px;left:26px;background:var(--brand);color:#fff;font-size:12px;
  font-weight:600;padding:4px 14px;border-radius:5px}
.plan h3{font-size:20px;font-weight:800;margin-bottom:4px}
.plan .sub{font-size:13px;color:var(--ink3);margin-bottom:18px}
.plan .price{font-size:15px;color:var(--ink2);margin-bottom:4px}
.plan .price b{font-size:32px;color:var(--brand);font-weight:800;letter-spacing:-1px}
.plan .price span{font-size:13px;color:var(--ink3)}
.plan .suit{font-size:12.5px;color:var(--ink3);margin-bottom:18px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.plan ul{list-style:none;margin-bottom:22px}
.plan li{font-size:13.5px;color:var(--ink2);padding:6px 0 6px 22px;position:relative;line-height:1.6}
.plan li:before{content:"✓";position:absolute;left:0;top:6px;color:var(--green);font-weight:700;font-size:13px}
.plan li b{color:var(--ink);font-weight:600}
.btn-plan{display:block;width:100%;padding:12px;text-align:center;background:var(--brand);color:#fff;
  border-radius:5px;font-weight:600;font-size:14.5px}
.btn-plan:hover{background:var(--brand2)}
.btn-plan.ghost{background:#fff;color:var(--brand);border:1px solid #D9E3DC}

/* 对比表 */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:8px;background:#fff}
table.cmp{width:100%;border-collapse:collapse;min-width:720px}
table.cmp th,table.cmp td{padding:14px 16px;text-align:left;font-size:14px;border-bottom:1px solid var(--line)}
table.cmp thead th{background:var(--bg-soft);font-weight:700;font-size:14px;color:var(--ink)}
table.cmp thead th.hot{background:var(--brand-soft);color:var(--brand)}
table.cmp td.hot{background:#FAFBFA}
table.cmp tbody tr:last-child td{border-bottom:none}
table.cmp .yn{color:var(--green);font-weight:700}
table.cmp .no{color:var(--ink3)}

/* 流程 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:s}
.step{position:relative;text-align:center}
.step .n{width:46px;height:46px;border-radius:50%;background:var(--brand);color:#fff;font-size:18px;
  font-weight:700;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;
  box-shadow:0 6px 16px rgba(111,151,125,.22)}
.step h4{font-size:15.5px;font-weight:700;margin-bottom:7px}
.step p{font-size:13.5px;color:var(--ink2);line-height:1.7}

/* 隐私 */
.privacy{background:var(--beige);border:1px solid #EAD9C2;border-radius:8px;padding:26px 28px}
.privacy h3{font-size:17px;font-weight:700;margin-bottom:14px;color:#4E6B58}
.privacy ul{list-style:none;display:grid;grid-template-columns:repeat(2,1fr);gap:11px}
.privacy li{font-size:13.8px;color:#55684F;padding-left:22px;position:relative;line-height:1.7}
.privacy li:before{content:"🔒";position:absolute;left:0;font-size:12px}

/* 表单 */
.form{background:#fff;border:1px solid var(--line);border-radius:10px;padding:32px;box-shadow:var(--shadow)}
.form h2{font-size:23px;font-weight:800;margin-bottom:6px}
.form .desc{font-size:14px;color:var(--ink2);margin-bottom:24px}
.fld{margin-bottom:16px}
.fld label{display:block;font-size:13px;color:var(--ink2);margin-bottom:6px;font-weight:600}
.fld label .req{color:var(--rose)}
.fld input,.fld select,.fld textarea{width:100%;padding:11px 14px;border:1px solid var(--line);border-radius:5px;
  font-size:14.5px;background:#FBFBFA;outline:none;transition:.15s}
.fld input:focus,.fld select:focus,.fld textarea:focus{border-color:var(--brand);background:#fff;
  box-shadow:0 0 0 3px rgba(111,151,125,.10)}
.fld .hint{font-size:12px;color:var(--ink3);margin-top:5px}
.fld2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.btn-sub{width:100%;padding:13px;background:var(--brand);color:#fff;border-radius:5px;font-size:15.5px;
  font-weight:600;margin-top:6px}
.btn-sub:hover{background:var(--brand2)}
.btn-sub:disabled{background:#BFC8C0;cursor:not-allowed}
.err{background:var(--rose-soft);color:#A84B47;padding:10px 14px;border-radius:5px;font-size:13.5px;margin-top:14px;display:none}
.ok-box{background:var(--green-soft);border:1px solid #CDE3D5;border-radius:8px;padding:22px;margin-top:18px;display:none}
.ok-box h4{color:#4E6B58;font-size:16px;font-weight:700;margin-bottom:10px}
.ok-box .kv{display:grid;grid-template-columns:auto 1fr;gap:7px 16px;font-size:14px;color:#4E6B58}
.ok-box .kv b{font-weight:700}

/* Tabs */
.tabs{display:flex;gap:6px;background:var(--bg-soft);padding:5px;border-radius:8px;margin-bottom:24px}
.tabs button{flex:1;padding:10px;border-radius:5px;font-size:14.5px;font-weight:600;color:var(--ink2)}
.tabs button.on{background:#fff;color:var(--brand);box-shadow:var(--shadow)}

/* 结果卡 */
.result{display:none;margin-top:18px;border:1px solid var(--line);border-radius:8px;padding:22px;background:#fff}
.result.on{display:block}
.result h4{font-size:16px;font-weight:700;margin-bottom:12px}
.pkg-desc{background:var(--brand-softer);border-radius:5px;padding:14px 16px;margin-bottom:16px;font-size:13.5px;color:#4E6B58}
.pkg-items{list-style:none;margin:10px 0 4px}
.pkg-items li{font-size:13.5px;color:var(--ink2);padding:5px 0;border-bottom:1px dashed var(--line)}
.pkg-items li:last-child{border-bottom:none}
.cred{background:#FAF9F7;border:1px dashed var(--line);border-radius:5px;padding:14px 16px;margin-top:14px;font-size:14px}
.cred div{margin:4px 0}
.cred b{color:var(--brand);font-size:15px;letter-spacing:.5px}

/* Footer */
footer{background:#3D3D3D;color:#B9B9B9;padding:46px 0 26px;font-size:13.5px}
footer .fg{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;margin-bottom:30px}
footer h5{color:#fff;font-size:14px;font-weight:700;margin-bottom:13px}
footer a{color:#B9B9B9;display:block;padding:4px 0;font-size:13.5px}
footer a:hover{color:#fff}
footer .bl{color:#9A9A9A;line-height:1.8;font-size:13px}
footer .bt{border-top:1px solid #555555;padding-top:20px;display:flex;justify-content:space-between;
  color:#8C8C8C;font-size:12.5px;flex-wrap:wrap;gap:10px}

/* Toast */
.toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%);background:#333333;color:#fff;
  padding:11px 24px;border-radius:5px;font-size:14px;z-index:99;display:none;box-shadow:0 8px 28px rgba(0,0,0,.25)}
.loading{text-align:center;padding:34px;color:var(--ink3);font-size:14px}

/* ---------- 行业解决方案页 ---------- */
.sector-nav{position:sticky;top:64px;z-index:40;background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.sector-nav .in{max-width:1140px;margin:0 auto;padding:9px 24px;display:flex;gap:6px;
  overflow-x:auto;scrollbar-width:none}
.sector-nav .in::-webkit-scrollbar{display:none}
.sector-nav a{flex-shrink:0;padding:7px 13px;font-size:12.8px;color:var(--ink2);
  border-radius:5px;white-space:nowrap;font-weight:500;transition:.15s}
.sector-nav a:hover{background:var(--brand-soft);color:var(--brand)}

.sector{display:grid;grid-template-columns:1.05fr .95fr;gap:38px;padding:54px 0;
  align-items:start;scroll-margin-top:120px}
.sector + .sector{border-top:1px dashed var(--line)}
.sector:first-child{padding-top:8px}
.sector .idx{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.sector .idx b{font-size:13px;color:var(--brand);font-weight:800;letter-spacing:.1em}
.sector .idx .t{font-size:12.5px;color:var(--ink3);letter-spacing:.08em}
.sector .idx .ic{width:40px;height:40px;border-radius:10px;background:var(--green-soft);color:var(--brand2);
  display:flex;align-items:center;justify-content:center;font-size:20px}
.sector .idx .ic svg{width:20px;height:20px}
.sector .info h3{font-size:23px;font-weight:800;letter-spacing:-.3px;margin-bottom:8px;line-height:1.35}
.sector .info .s{font-size:14.5px;color:var(--brand2);font-weight:600;margin-bottom:14px}
.sector ul.pts{list-style:none;margin-bottom:18px}
.sector ul.pts li{font-size:14px;color:var(--ink2);padding:5.5px 0 5.5px 20px;position:relative;line-height:1.7}
.sector ul.pts li:before{content:"";position:absolute;left:2px;top:14px;width:6px;height:6px;
  border-radius:50%;background:var(--brand)}
.sector ul.pts li b{color:var(--ink);font-weight:600}
.sector .tags{display:flex;flex-wrap:wrap;gap:8px}
.sector .tags span{font-size:12px;color:#4E6B58;background:var(--brand-soft);padding:4px 11px;border-radius:5px}
.sector .side .plans{grid-template-columns:1fr}
.sector .side .plan{max-width:none}
.sector .side .plan ul{margin-bottom:18px}
.sector .pkgs{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:14px}
.sector .pkgs .card{padding:18px}
.sector .pkgs .card h3{font-size:14.5px;margin-bottom:6px}
.sector .pkgs .card p{font-size:12.8px;line-height:1.65}
/* 政府专区 CTA 卡 */
.gov-card{background:var(--beige);border:1px solid #EAD9C2;border-radius:10px;padding:26px}
.gov-card h4{font-size:16.5px;font-weight:700;color:#4E6B58;margin-bottom:12px}
.gov-card ul{list-style:none;margin-bottom:20px}
.gov-card li{font-size:13.5px;color:#55684F;padding:5px 0 5px 20px;position:relative;line-height:1.7}
.gov-card li:before{content:"✓";position:absolute;left:0;color:var(--green);font-weight:700}
.gov-card .btns{display:flex;gap:10px;flex-wrap:wrap}
.gov-card .btn-plan{width:auto;padding:11px 22px}

/* CTA 米色块 */
.cta-block{background:var(--beige);border:1px solid #EAD9C2;border-radius:12px;padding:44px 40px;text-align:center}
.cta-block h2{font-size:26px;font-weight:800;letter-spacing:-.3px;margin-bottom:10px}
.cta-block p{color:var(--ink2);max-width:560px;margin:0 auto 24px;font-size:14.5px}
.cta-block .btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-bottom:0}

@media(max-width:900px){
  .hero h1{font-size:31px}
  .grid3,.pillars,.plans,.steps{grid-template-columns:1fr}
  .stats,.grid2,.fld2,.privacy ul{grid-template-columns:1fr 1fr}
  .nav .links{display:none}
  .nav .burger{display:block}
  footer .fg{grid-template-columns:1fr 1fr}
  section{padding:52px 0}
  .sector{grid-template-columns:1fr;gap:26px;padding:44px 0;scroll-margin-top:104px}
  .sector .pkgs{grid-template-columns:1fr}
}