/* ============================================================
   博仁20年庆心理普惠行动 · 二级专题子站 设计系统
   基于《新版京师博仁官网视觉规范手册》：#165DFF 蓝色科技弥散光
   周年庆金 #C4A256（庆典）· 温暖橙 #FF7D4B（普惠人文）
   ============================================================ */

/* ---------- Design Tokens ---------- */
:root{
  --blue:#165DFF;
  --blue-hover:#0E42D2;
  --blue-light:#3DCCFF;
  --blue-grad:linear-gradient(135deg,#165DFF 0%,#3DCCFF 100%);
  --gold:#C4A256;
  --gold-light:#E3CE97;
  --orange:#FF7D4B;
  --orange-soft:#FFF1ED;
  --ink:#1D2129;
  --ink-2:#4E5969;
  --ink-3:#86909C;
  --bg:#F7F8FA;
  --warm-bg:#FBF8F1;
  --white:#FFFFFF;
  --line:#E5E6EB;
  --radius:16px;
  --radius-sm:8px;
  --shadow:0 4px 20px rgba(0,0,0,.04);
  --shadow-hover:0 8px 30px rgba(22,93,255,.08);
  --shadow-blue:0 6px 16px rgba(22,93,255,.30);
  --maxw:1200px;
  --ease:cubic-bezier(.25,.1,.25,1);
}

/* ---------- Reset ---------- */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--ink);background:var(--white);line-height:1.7;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--blue);text-decoration:none;transition:color .25s var(--ease)}
ul{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input,select,textarea{font-family:inherit;font-size:16px}
::selection{background:rgba(22,93,255,.18)}

/* ---------- Layout ---------- */
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-sm{padding:64px 0}
.bg-gray{background:var(--bg)}
.bg-warm{background:var(--warm-bg)}
.bg-dark{background:var(--ink);color:#fff}
.bg-bluegrad{background:var(--blue-grad);color:#fff}
.alt-white{background:#fff}

/* ---------- Section heading ---------- */
.sec-head{text-align:center;max-width:760px;margin:0 auto 56px}
.sec-tag{display:inline-flex;align-items:center;gap:10px;color:var(--gold);
  font-size:14px;font-weight:600;letter-spacing:2px;margin-bottom:14px}
.sec-tag::before,.sec-tag::after{content:"";width:28px;height:1px;background:var(--gold)}
.sec-title{font-size:38px;font-weight:700;line-height:1.3;color:var(--ink)}
.sec-title .grad{background:var(--blue-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.sec-sub{margin-top:14px;color:var(--ink-3);font-size:16px}
.sec-head.left{text-align:left;margin-left:0}
.sec-head.left .sec-tag{justify-content:flex-start}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:var(--radius-sm);font-size:15px;font-weight:600;
  transition:all .3s var(--ease);white-space:nowrap;cursor:pointer}
.btn-primary{background:var(--blue);color:#fff;box-shadow:var(--shadow-blue)}
.btn-primary:hover{background:var(--blue-hover);color:#fff;transform:translateY(-2px)}
.btn-gold{background:var(--gold);color:#fff;box-shadow:0 6px 16px rgba(196,162,86,.3)}
.btn-gold:hover{background:#B29048;color:#fff;transform:translateY(-2px)}
.btn-outline{border:1.5px solid var(--blue);color:var(--blue);background:rgba(255,255,255,.7)}
.btn-outline:hover{background:var(--blue);color:#fff}
.btn-ghost{color:var(--blue);padding:13px 4px;font-weight:600}
.btn-ghost:hover{gap:12px}
.btn-ghost .arr{transition:transform .3s var(--ease)}
.btn-ghost:hover .arr{transform:translateX(4px)}
.btn-lg{padding:16px 40px;font-size:16px;border-radius:10px}
.btn-block{width:100%}
.btn-white{background:#fff;color:var(--blue)}
.btn-white:hover{background:#F2F6FF;color:var(--blue-hover)}

/* ---------- Header / Nav ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(255,255,255,.85);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid rgba(229,230,235,.6);transition:all .3s var(--ease)}
.nav{display:flex;align-items:center;height:72px;gap:32px}
.nav-logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-logo img{height:38px;width:auto}
.nav-logo .brand-cn{font-size:17px;font-weight:700;color:var(--ink);line-height:1.1}
.nav-logo .brand-en{font-size:9px;letter-spacing:1.5px;color:var(--ink-3)}
.nav-menu{display:flex;gap:30px;margin-left:auto}
.nav-menu a{color:var(--ink);font-size:15px;font-weight:500;position:relative;padding:6px 2px}
.nav-menu a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;
  background:var(--blue);transition:width .3s var(--ease)}
.nav-menu a:hover{color:var(--blue)}
.nav-menu a.active{color:var(--blue)}
.nav-menu a.active::after{width:100%}
.nav-menu a:hover::after{width:100%}
.nav-cta{flex-shrink:0}
.nav-toggle{display:none;flex-direction:column;gap:5px;padding:8px;margin-left:auto}
.nav-toggle span{width:24px;height:2px;background:var(--ink);transition:all .3s}

/* ---------- Hero ---------- */
.hero{position:relative;padding:140px 0 90px;overflow:hidden;
  background:linear-gradient(180deg,#F5F8FF 0%,#FFFFFF 70%)}
.hero::before{content:"";position:absolute;top:-200px;right:-150px;width:600px;height:600px;
  background:radial-gradient(circle,rgba(22,93,255,.14),transparent 65%);filter:blur(60px);pointer-events:none}
.hero::after{content:"";position:absolute;bottom:-180px;left:-120px;width:480px;height:480px;
  background:radial-gradient(circle,rgba(196,162,86,.12),transparent 65%);filter:blur(60px);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:50px;align-items:center;position:relative;z-index:2}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);
  padding:7px 16px;border-radius:999px;font-size:13px;color:var(--ink-2);font-weight:600;
  box-shadow:var(--shadow);margin-bottom:24px}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--gold)}
.hero h1{font-size:52px;font-weight:700;line-height:1.18;color:var(--ink);margin-bottom:22px}
.hero h1 .grad{background:var(--blue-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero h1 .gold{color:var(--gold)}
.hero-lead{font-size:18px;color:var(--ink-2);line-height:1.75;margin-bottom:18px}
.hero-slogan{font-size:20px;font-weight:700;color:var(--blue);letter-spacing:3px;margin-bottom:30px}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:34px}
.hero-price{display:flex;gap:28px;flex-wrap:wrap;padding-top:26px;border-top:1px dashed var(--line)}
.hero-price .item .num{font-size:26px;font-weight:700;color:var(--blue);font-family:"DIN","Inter",sans-serif}
.hero-price .item .num.gold{color:var(--gold)}
.hero-price .item .lbl{font-size:13px;color:var(--ink-3)}
.hero-visual{position:relative}
.hero-visual img{border-radius:20px;box-shadow:0 20px 60px rgba(22,93,255,.18)}
.hero-float{position:absolute;background:#fff;border-radius:14px;padding:14px 18px;box-shadow:var(--shadow-hover);
  display:flex;align-items:center;gap:12px;font-size:13.5px;font-weight:600}
.hero-float .ic{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;
  background:rgba(22,93,255,.1);color:var(--blue)}
.hero-float.f1{top:-22px;left:-28px;animation:floaty 5s ease-in-out infinite}
.hero-float.f2{bottom:-24px;right:-20px;animation:floaty 6s ease-in-out infinite reverse}
.hero-float .ic.gold{background:rgba(196,162,86,.14);color:var(--gold)}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}

/* ---------- Stats band ---------- */
.stats{background:var(--blue-grad);padding:54px 0;position:relative;overflow:hidden}
.stats::before{content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 20% 50%,rgba(255,255,255,.12),transparent 40%)}
.stats-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;position:relative;z-index:2}
.stat{text-align:center;color:#fff}
.stat .num{font-size:46px;font-weight:700;font-family:"DIN","Inter",sans-serif;line-height:1}
.stat .unit{font-size:18px;font-weight:600}
.stat .lbl{font-size:14.5px;opacity:.85;margin-top:8px}
.stat-divider{display:none}

/* ---------- Cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.card-grid.c2{grid-template-columns:repeat(2,1fr)}
.card-grid.c4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px;
  transition:all .35s var(--ease);position:relative;overflow:hidden}
.card:hover{box-shadow:var(--shadow-hover);transform:translateY(-6px);border-color:transparent}
.card-ic{width:60px;height:60px;border-radius:14px;background:rgba(22,93,255,.08);
  display:grid;place-items:center;color:var(--blue);margin-bottom:22px;transition:all .35s var(--ease)}
.card:hover .card-ic{background:var(--blue);color:#fff}
.card h3{font-size:19px;font-weight:700;margin-bottom:10px}
.card p{color:var(--ink-3);font-size:14.5px;line-height:1.7}
.card .more{display:inline-block;margin-top:16px;font-weight:600;font-size:14px}
.card.featured{background:var(--blue-grad);color:#fff;border:none}
.card.featured h3,.card.featured p{color:#fff}
.card.featured .card-ic{background:rgba(255,255,255,.18);color:#fff}
.card .price-tag{font-family:"DIN","Inter",sans-serif;font-size:30px;font-weight:700;color:var(--blue);margin:14px 0 4px}
.card .price-note{font-size:13px;color:var(--ink-3)}

/* ---------- Customer type cards (9) ---------- */
.cust-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cust-card{background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
  transition:all .35s var(--ease);display:flex;flex-direction:column}
.cust-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-6px)}
.cust-top{background:var(--blue-grad);color:#fff;padding:18px 24px;display:flex;align-items:center;gap:12px}
.cust-top .no{width:32px;height:32px;border-radius:50%;background:rgba(255,255,255,.2);
  display:grid;place-items:center;font-weight:700;font-size:15px;flex-shrink:0}
.cust-top h3{font-size:18px;font-weight:700}
.cust-body{padding:22px 24px;flex:1;display:flex;flex-direction:column;gap:10px}
.cust-row{display:flex;gap:10px;font-size:13.5px;color:var(--ink-2)}
.cust-row .k{color:var(--gold);font-weight:700;flex-shrink:0;min-width:58px}
.cust-foot{padding:0 24px 22px}
.cust-foot .btn{width:100%;padding:11px}

/* ---------- Version compare (V12) ---------- */
.ver-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;align-items:stretch}
.ver-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:36px 30px;
  display:flex;flex-direction:column;position:relative;transition:all .35s var(--ease)}
.ver-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-6px)}
.ver-card.hot{border:2px solid var(--blue);box-shadow:0 12px 40px rgba(22,93,255,.15)}
.ver-ribbon{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--blue);
  color:#fff;font-size:12.5px;font-weight:600;padding:4px 16px;border-radius:999px;white-space:nowrap}
.ver-name{text-align:center;font-size:19px;font-weight:700}
.ver-scales{text-align:center;margin:14px 0 6px}
.ver-scales .n{font-size:44px;font-weight:700;color:var(--blue);font-family:"DIN","Inter",sans-serif;line-height:1}
.ver-scales .u{font-size:13px;color:var(--ink-3)}
.ver-price{text-align:center;font-family:"DIN","Inter",sans-serif;font-size:28px;font-weight:700;
  padding:16px 0;border-top:1px dashed var(--line);border-bottom:1px dashed var(--line);margin:18px 0}
.ver-price .yr{font-size:13px;color:var(--ink-3);font-weight:400}
.ver-feats{flex:1;display:flex;flex-direction:column;gap:11px;margin-bottom:24px}
.ver-feats li{display:flex;gap:9px;font-size:13.8px;color:var(--ink-2);line-height:1.5}
.ver-feats .ck{color:var(--blue);flex-shrink:0;margin-top:2px}
.ver-feats .no-ck{color:#C9CDD4}

/* ---------- Tables (price / equipment) ---------- */
.table-wrap{overflow-x:auto;border-radius:var(--radius);box-shadow:var(--shadow);background:#fff}
.tbl{width:100%;border-collapse:collapse;min-width:720px;font-size:14.5px}
.tbl thead th{background:var(--blue);color:#fff;font-weight:600;padding:15px 16px;text-align:left;
  font-size:14px;white-space:nowrap}
.tbl tbody td{padding:13px 16px;border-bottom:1px solid var(--line);color:var(--ink-2);vertical-align:top}
.tbl tbody tr:nth-child(even){background:#F7F9FF}
.tbl tbody tr:hover{background:#EEF4FF}
.tbl .strong{color:var(--ink);font-weight:600}
.tbl .price{color:var(--blue);font-weight:700;font-family:"DIN","Inter",sans-serif;white-space:nowrap}
.tbl .gold{color:var(--gold);font-weight:700}
.tbl tfoot td{background:#F2F6FF;font-weight:600;color:var(--ink);padding:13px 16px;font-size:13.5px}
.tbl-center tbody td,.tbl-center thead th{text-align:center}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;position:relative;counter-reset:step}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 22px;
  position:relative;transition:all .35s var(--ease)}
.step:hover{box-shadow:var(--shadow-hover);transform:translateY(-5px)}
.step .step-no{width:42px;height:42px;border-radius:50%;background:var(--blue-grad);color:#fff;
  display:grid;place-items:center;font-weight:700;font-size:17px;margin-bottom:16px;
  font-family:"DIN","Inter",sans-serif}
.step h4{font-size:16px;font-weight:700;margin-bottom:8px}
.step p{font-size:13.5px;color:var(--ink-3);line-height:1.6}

/* ---------- Feature list with icons ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.feature{display:flex;gap:16px}
.feature .fic{width:50px;height:50px;border-radius:12px;background:rgba(22,93,255,.08);color:var(--blue);
  display:grid;place-items:center;flex-shrink:0}
.feature h4{font-size:16px;font-weight:700;margin-bottom:5px}
.feature p{font-size:13.8px;color:var(--ink-3);line-height:1.6}

/* ---------- Split content ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split-media{position:relative}
.split-media .panel{border-radius:var(--radius);box-shadow:var(--shadow-hover);overflow:hidden;background:#fff}
.split-media .glow{position:absolute;inset:-30px;z-index:-1;border-radius:50%;
  background:radial-gradient(circle,rgba(22,93,255,.14),transparent 65%);filter:blur(30px)}
.check-list{display:flex;flex-direction:column;gap:14px;margin-top:22px}
.check-list li{display:flex;gap:11px;font-size:15px;color:var(--ink-2)}
.check-list .ck{color:var(--gold);flex-shrink:0;margin-top:3px}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  margin-bottom:14px;overflow:hidden;transition:all .3s var(--ease)}
.faq-item[open]{box-shadow:var(--shadow)}
.faq-q{display:flex;align-items:center;gap:14px;padding:20px 24px;font-weight:600;font-size:15.5px;
  color:var(--ink);cursor:pointer;list-style:none}
.faq-q::-webkit-details-marker{display:none}
.faq-q .qmark{width:28px;height:28px;border-radius:8px;background:rgba(22,93,255,.1);color:var(--blue);
  display:grid;place-items:center;font-weight:700;flex-shrink:0;font-size:14px}
.faq-q .qarr{margin-left:auto;transition:transform .3s var(--ease);color:var(--ink-3)}
.faq-item[open] .qarr{transform:rotate(180deg)}
.faq-a{padding:0 24px 22px 66px;color:var(--ink-2);font-size:14.5px;line-height:1.75}

/* ---------- Forms ---------- */
.lead-box{background:#fff;border-radius:var(--radius);box-shadow:0 16px 50px rgba(22,93,255,.12);
  padding:40px;border:1px solid var(--line)}
.lead-box.dark{background:var(--ink)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-group{margin-bottom:18px;display:flex;flex-direction:column;gap:7px}
.form-group label{font-size:14px;font-weight:600;color:var(--ink)}
.form-group label .req{color:var(--orange)}
.form-control{padding:12px 14px;border:1.5px solid var(--line);border-radius:var(--radius-sm);
  color:var(--ink);background:#FCFCFD;transition:all .25s;outline:none;width:100%}
.form-control:focus{border-color:var(--blue);background:#fff;box-shadow:0 0 0 3px rgba(22,93,255,.1)}
textarea.form-control{resize:vertical;min-height:96px}
.form-check{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--ink-2);margin:6px 0 18px}
.form-check input{margin-top:4px;accent-color:var(--blue)}
.form-check a{text-decoration:underline}

/* ---------- CTA band ---------- */
.cta-band{background:var(--blue-grad);border-radius:24px;padding:60px;text-align:center;color:#fff;
  position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;top:-80px;left:50%;transform:translateX(-50%);
  width:400px;height:240px;background:radial-gradient(circle,rgba(255,255,255,.18),transparent 70%)}
.cta-band h2{font-size:32px;font-weight:700;margin-bottom:12px;position:relative}
.cta-band p{font-size:16px;opacity:.9;margin-bottom:30px;position:relative}
.cta-band .btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;position:relative}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:#C9CDD4;padding:70px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:44px;padding-bottom:50px}
.footer-brand img{height:42px;margin-bottom:18px;}
.footer-brand p{font-size:13.5px;line-height:1.8;color:#86909C;max-width:320px}
.footer-brand .slogan{color:var(--gold-light);font-weight:600;margin-top:14px;letter-spacing:2px}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px}
.footer-col ul li{margin-bottom:11px}
.footer-col a{color:#86909C;font-size:13.8px}
.footer-col a:hover{color:#fff}
.footer-contact li{display:flex;gap:9px;font-size:13.5px;color:#86909C;margin-bottom:12px;line-height:1.6}
.footer-contact .k{color:var(--gold-light);font-weight:600;flex-shrink:0}
.footer-qr{display:flex;gap:18px;margin-top:6px}
.footer-qr .qr img{width:86px;height:86px;border-radius:8px;background:#fff;padding:5px}
.footer-qr .qr span{font-size:11.5px;color:#86909C;text-align:center;margin-top:6px;display:block}
.footer-bottom{border-top:1px solid #2E3238;padding:22px 0}
.footer-bottom .inner{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:#86909C;align-items:center}
.footer-bottom a{color:#86909C}
.footer-bottom a:hover{color:#fff}
.footer-beian{display:flex;gap:18px;flex-wrap:wrap}

/* ---------- Page hero (sub pages) ---------- */
.page-hero{padding:130px 0 60px;background:linear-gradient(180deg,#F5F8FF,#fff);position:relative;overflow:hidden}
.page-hero::before{content:"";position:absolute;top:-160px;right:-100px;width:520px;height:520px;
  background:radial-gradient(circle,rgba(22,93,255,.13),transparent 65%);filter:blur(50px)}
.breadcrumb{font-size:13.5px;color:var(--ink-3);margin-bottom:20px;position:relative;z-index:2}
.breadcrumb a{color:var(--ink-3)}
.breadcrumb a:hover{color:var(--blue)}
.breadcrumb .sep{margin:0 8px}
.page-hero h1{font-size:42px;font-weight:700;line-height:1.25;margin-bottom:16px;position:relative;z-index:2}
.page-hero h1 .grad{background:var(--blue-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.page-hero .lead{font-size:17px;color:var(--ink-2);max-width:760px;position:relative;z-index:2}

/* ---------- Badges / chips ---------- */
.chip{display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:999px;
  font-size:12.5px;font-weight:600;background:rgba(22,93,255,.09);color:var(--blue)}
.chip.gold{background:rgba(196,162,86,.14);color:#9A7E34}
.chip.orange{background:var(--orange-soft);color:var(--orange)}
.chip-outline{border:1px solid var(--blue);background:transparent}
.cert-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}

/* ---------- Sticky mobile bar ---------- */
.sticky-bar{position:fixed;bottom:0;left:0;right:0;z-index:900;background:rgba(29,33,41,.96);
  backdrop-filter:blur(10px);padding:10px 16px;display:none;gap:10px}
.sticky-bar a{flex:1;text-align:center;padding:12px;border-radius:8px;font-size:14px;font-weight:600}
.sticky-bar .call{background:#fff;color:var(--blue)}
.sticky-bar .quote{background:var(--gold);color:#fff}

/* ---------- Reveal animation（渐进增强：仅 html.anim 时初始隐藏，无JS/爬虫内容全可见）---------- */
.reveal{transition:opacity .7s var(--ease),transform .7s var(--ease)}
html.anim .reveal{opacity:0;transform:translateY(30px)}
html.anim .reveal.in{opacity:1;transform:none}

/* ---------- Misc ---------- */
.lead-text{font-size:17px;color:var(--ink-2);line-height:1.85}
.text-center{text-align:center}
.mt-0{margin-top:0}.mt-2{margin-top:20px}.mt-3{margin-top:32px}.mt-4{margin-top:48px}
.mb-2{margin-bottom:20px}.mb-3{margin-bottom:32px}
.note-box{background:#FFF9EC;border:1px solid #F0DFB0;border-radius:var(--radius-sm);
  padding:18px 22px;font-size:13.8px;color:#7A5E1E;line-height:1.7}
.note-box.blue{background:#F2F6FF;border-color:#C3D6FF;color:#2E5A85}
.divider-glow{height:1px;background:linear-gradient(90deg,transparent,var(--line),transparent);margin:0}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width:1024px){
  .hero h1{font-size:42px}
  .hero-grid{grid-template-columns:1fr;gap:60px}
  .hero-visual{max-width:560px;margin:0 auto}
  .card-grid,.cust-grid,.ver-grid,.feature-grid{grid-template-columns:repeat(2,1fr)}
  .card-grid.c4{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:40px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .stats-grid{grid-template-columns:repeat(3,1fr);gap:30px}
}
@media (max-width:768px){
  .section{padding:64px 0}
  .nav{gap:16px}
  .nav-menu{display:none;position:fixed;top:72px;left:0;right:0;background:#fff;flex-direction:column;
    gap:0;padding:10px 24px 24px;border-bottom:1px solid var(--line);
    box-shadow:0 20px 40px rgba(0,0,0,.08)}
  .nav-menu.open{display:flex}
  .nav-menu a{padding:14px 0;border-bottom:1px solid #F2F3F5;width:100%}
  .nav-menu a::after{display:none}
  .nav-cta{display:none}
  .nav-toggle{display:flex;margin-left:auto}
  .hero{padding:120px 0 70px}
  .hero h1{font-size:34px}
  .hero-lead{font-size:16px}
  .hero-slogan{font-size:17px;letter-spacing:2px}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta .btn{width:100%}
  .hero-price{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
  .hero-price .item .num{font-size:17px}
  .split-media .glow{inset:0}
  .hero-float{display:none}
  .sec-title{font-size:28px}
  .card-grid,.card-grid.c2,.cust-grid,.ver-grid,.feature-grid,.card-grid.c4{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:28px 16px}
  .stat .num{font-size:36px}
  .form-row{grid-template-columns:1fr;gap:0}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .cta-band{padding:40px 26px}
  .cta-band h2{font-size:25px}
  .page-hero h1{font-size:30px}
  .lead-box{padding:28px 22px}
  .sticky-bar{display:flex}
  body{padding-bottom:64px}
  .faq-a{padding-left:24px}
}

/* ===== 内页通用组件 ===== */
.page-hero{position:relative;padding:150px 0 60px;background:linear-gradient(180deg,#EEF3FF 0%,#F7F8FA 100%);overflow:hidden}
.page-hero::before{content:'';position:absolute;width:560px;height:560px;right:-140px;top:-180px;border-radius:50%;background:radial-gradient(circle,rgba(22,93,255,.13),transparent 70%)}
.page-hero::after{content:'';position:absolute;width:420px;height:420px;left:-160px;bottom:-220px;border-radius:50%;background:radial-gradient(circle,rgba(196,162,86,.12),transparent 70%)}
.crumb{font-size:13.5px;color:var(--ink-3);margin-bottom:20px;position:relative;z-index:1}
.crumb a{color:var(--ink-3)}
.crumb .sep{margin:0 8px;color:var(--line)}
.page-hero h1{font-size:44px;font-weight:700;line-height:1.22;margin-bottom:18px;position:relative;z-index:1}
.page-hero .page-slogan{color:var(--blue);font-weight:600;font-size:18px;margin-bottom:16px;position:relative;z-index:1}
.page-hero .lead{font-size:17px;color:var(--ink-2);max-width:780px;line-height:1.8;position:relative;z-index:1}
.page-hero .hero-cta{margin-top:30px;position:relative;z-index:1}

.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{display:inline-flex;align-items:center;gap:6px;background:#fff;border:1px solid var(--line);color:var(--ink-2);padding:8px 15px;border-radius:999px;font-size:13.5px}
.chip.blue{background:rgba(22,93,255,.08);border-color:rgba(22,93,255,.22);color:var(--blue)}

.pain-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}
.pain-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px;transition:.3s}
.pain-card:hover{box-shadow:0 12px 30px rgba(29,33,41,.08);transform:translateY(-4px)}
.pain-card .ico{width:50px;height:50px;border-radius:12px;background:rgba(22,93,255,.1);display:flex;align-items:center;justify-content:center;font-size:25px;margin-bottom:16px}
.pain-card h3{font-size:17px;margin-bottom:9px}
.pain-card p{font-size:14px;color:var(--ink-3);line-height:1.7}

.checklist{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px}
.check-item{display:flex;gap:13px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px}
.check-item .tick{flex:none;width:24px;height:24px;border-radius:50%;background:var(--blue);color:#fff;display:flex;align-items:center;justify-content:center;font-size:13px;margin-top:2px}
.check-item h4{font-size:15.5px;margin-bottom:5px}
.check-item p{font-size:13.5px;color:var(--ink-3);line-height:1.6}

.note{background:rgba(22,93,255,.06);border-left:3px solid var(--blue);border-radius:0 10px 10px 0;padding:16px 20px;font-size:14.5px;color:var(--ink-2);line-height:1.75;margin:24px 0}
.note.gold{background:rgba(196,162,86,.1);border-color:var(--gold)}
.note.orange{background:rgba(255,125,75,.09);border-color:var(--orange)}

@media(max-width:768px){
  .page-hero{padding:120px 0 44px}
  .page-hero h1{font-size:30px}
  .page-hero .lead{font-size:15.5px}
}


/* ---------- 资质墙 & 标杆案例（信任背书） ---------- */
.cred-sub{font-size:18px;color:var(--ink);margin:0 0 22px;padding-left:12px;border-left:4px solid var(--gold)}
.cred-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}
.cred-badge{display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);
border-radius:var(--radius-sm);padding:15px 17px;transition:.3s var(--ease)}
.cred-badge .ci{flex:none;width:38px;height:38px;border-radius:9px;display:grid;place-items:center;
background:rgba(22,93,255,.1);color:var(--blue);font-weight:700;font-size:15px}
.cred-badge .ct b{display:block;font-size:14.5px;color:var(--ink);line-height:1.35;font-weight:600}
.cred-badge .ct span{font-size:12px;color:var(--ink-3)}
.cred-badge:hover{border-color:var(--blue);box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.cred-case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.cred-case-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:25px;transition:.3s var(--ease)}
.cred-case-card .region{display:inline-block;font-size:12.5px;font-weight:600;color:var(--blue);
background:rgba(22,93,255,.08);padding:4px 12px;border-radius:999px;margin-bottom:13px}
.cred-case-card h4{font-size:16.5px;margin-bottom:9px;color:var(--ink)}
.cred-case-card p{font-size:13.5px;color:var(--ink-2);margin-bottom:0}
.cred-case-card .res{font-size:13px;color:var(--ink-2);border-top:1px dashed var(--line);padding-top:12px;margin-top:12px}
.cred-case-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);border-color:var(--blue)}
.cred-more{text-align:center;color:var(--ink-3);font-size:14px;margin-top:34px}
@media(max-width:900px){.cred-case-grid{grid-template-columns:1fr 1fr}}
@media(max-width:600px){
  .cred-case-grid{grid-template-columns:1fr}
  .cred-grid{grid-template-columns:1fr 1fr}
  .cred-badge{padding:12px}
  .cred-badge .ci{width:32px;height:32px;font-size:13px}
}