/* ============================================================
   迈拓营销 · 全站共享样式
   设计基调：制造业红（力量/溢价感）+ 深墨蓝（专业/可信）+ 金（价值）
   说明：所有插画均为内联 SVG，零外链、双击可开、部署不裂图。
        真实照片可随时替换到 assets/img/ 并改 <img src>。
   ============================================================ */
:root{
  --ink:#16202b; --muted:#5b6675; --soft:#8a94a3; --line:#e9edf2;
  --brand:#c8102e; --brand-d:#9c0c24; --brand-l:#fff1f3;
  --gold:#b8860b; --gold-l:#fdf6e7;
  --bg:#ffffff; --bg2:#f6f8fb; --bg3:#eef2f7; --ok:#1f9d6b;
  --radius:16px; --radius-s:10px; --shadow:0 12px 34px rgba(20,32,43,.09);
  --shadow-s:0 6px 18px rgba(20,32,43,.06);
  --maxw:1160px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.75;-webkit-font-smoothing:antialiased;font-size:16px}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
section{padding:84px 0}
h1,h2,h3,h4{line-height:1.3;font-weight:800;letter-spacing:.3px}
h2{font-size:clamp(25px,3.6vw,38px)}
h3{font-size:19px}
p{color:var(--muted)}
strong,b{color:var(--ink)}

/* ---------- 通用文字/按钮 ---------- */
.eyebrow{display:inline-block;font-size:13px;letter-spacing:2px;color:var(--brand);
  border:1px solid var(--brand);border-radius:999px;padding:5px 15px;font-weight:600}
.sub{color:var(--muted);font-size:16.5px;max-width:760px}
.center{text-align:center;margin-left:auto;margin-right:auto}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;
  border-radius:10px;cursor:pointer;transition:.18s;white-space:nowrap;border:1px solid transparent}
.btn-p{background:var(--brand);color:#fff;padding:12px 24px;box-shadow:0 8px 20px rgba(200,16,46,.25)}
.btn-p:hover{background:var(--brand-d);transform:translateY(-1px)}
.btn-o{border:1px solid var(--line);color:var(--ink);background:#fff;padding:12px 22px}
.btn-o:hover{border-color:var(--brand);color:var(--brand)}
.btn-g{background:var(--ink);color:#fff;padding:16px 34px;font-size:17px}
.btn-g:hover{background:#0e1620;transform:translateY(-1px)}
.btn-line{color:var(--brand);font-weight:700}
.btn-line:hover{text-decoration:underline}

/* ---------- 头部导航 ---------- */
header{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{display:flex;flex-direction:column;line-height:1.05}
.brand-name{font-size:21px;font-weight:800;letter-spacing:.5px}
.brand-name b{color:var(--brand)}
.brand-sub{font-size:11px;color:var(--soft);margin-top:4px;letter-spacing:1px}
.nav-links{display:flex;gap:30px;font-size:15px;color:var(--muted);align-items:center}
.nav-links a{position:relative;padding:6px 0}
.nav-links a:hover{color:var(--ink)}
.nav-links a.active{color:var(--brand);font-weight:700}
.nav-links a.active::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--brand);border-radius:2px}
.nav-cta{display:flex;align-items:center;gap:14px}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:8px;width:42px;height:38px;cursor:pointer}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);margin:3px auto}

/* ---------- 面包屑 ---------- */
.crumb{font-size:13px;color:var(--soft);padding:18px 0 0}
.crumb a:hover{color:var(--brand)}
.crumb .sep{margin:0 8px;color:var(--line)}

/* ---------- HERO ---------- */
.hero{background:radial-gradient(1200px 500px at 80% -10%,var(--brand-l),transparent),
  linear-gradient(180deg,#fff 0%,var(--bg2) 100%);padding:66px 0 60px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.04fr .96fr;gap:52px;align-items:center}
h1{font-size:clamp(30px,5vw,54px);line-height:1.18;font-weight:800;margin:18px 0 16px;letter-spacing:.3px}
h1 .a{color:var(--brand)}
.hero .lead{font-size:19px;color:var(--ink);font-weight:600;margin-bottom:8px}
.hero .painline{color:var(--soft);font-size:15.5px;margin:14px 0 26px}
.hero .painline b{color:var(--ink)}
.pillars{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:26px 0 30px}
.pillar{border:1px solid var(--line);border-radius:14px;padding:18px 20px;background:#fff;box-shadow:var(--shadow-s)}
.pillar .t{font-weight:800;color:var(--brand);font-size:16px;margin-bottom:5px;display:flex;align-items:center;gap:8px}
.pillar p{font-size:14px;color:var(--muted)}
.cta-row{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.hero-visual{position:relative;border-radius:22px;overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line);background:#fff}
.hero-visual img {width:100%;height:auto;display:block}
.float-badge{position:absolute;background:#fff;border:1px solid var(--line);border-radius:12px;
  box-shadow:var(--shadow);padding:10px 14px;font-size:13px;font-weight:700;display:flex;align-items:center;gap:8px}
.float-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--ok)}
.fb1{left:18px;bottom:20px}
.fb2{right:18px;top:18px;color:var(--brand)}

/* ---------- 区块标题 ---------- */
.head{margin-bottom:46px}
.head.center{text-align:center}
.head h2{margin:14px 0 12px}
.sec-bg{background:var(--bg2)}
.sec-dark{background:var(--ink);color:#fff}
.sec-dark h2{color:#fff}
.sec-dark .sub{color:#c4ccd6}

/* ---------- 卡片网格 ---------- */
.cards{display:grid;gap:20px}
.cards.c4{grid-template-columns:repeat(4,1fr)}
.cards.c3{grid-template-columns:repeat(3,1fr)}
.cards.c2{grid-template-columns:repeat(2,1fr)}
.card{border:1px solid var(--line);border-radius:var(--radius);padding:26px;background:#fff;transition:.2s}
.card:hover{box-shadow:var(--shadow);transform:translateY(-4px);border-color:#f3d3d9}
.ic{width:50px;height:50px;border-radius:13px;background:var(--brand-l);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.ic svg{width:26px;height:26px;stroke:var(--brand);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.card h3{margin-bottom:9px;font-size:18px}
.card p{font-size:14.5px}
.cost{margin-top:14px;font-size:13px;color:var(--brand-d);font-weight:700;background:var(--brand-l);
  display:inline-block;padding:5px 11px;border-radius:8px}

/* ---------- 洞察（深色） ---------- */
.insight{background:var(--ink);color:#fff;border-radius:24px;padding:52px;
  display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center}
.insight h2{color:#fff;margin-top:14px}
.insight p{color:#c4ccd6;font-size:16px}
.insight .hl{color:#ffd56b;font-weight:800}
.stat-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.stat{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:20px}
.stat b{display:block;font-size:32px;color:#fff;font-weight:800;line-height:1.1}
.stat span{font-size:13px;color:#9aa6b3}
.note{font-size:12px;color:var(--soft);text-align:center;margin-top:14px}

/* ---------- 服务 ---------- */
.svc .card h3{display:flex;align-items:center;gap:10px}
.svc .num{font-size:12px;color:var(--brand);border:1px solid var(--brand);border-radius:7px;padding:2px 8px;font-weight:700}
.svc ul{margin:14px 0 0;padding-left:18px;color:var(--muted);font-size:14px}
.svc ul li{margin:7px 0}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:s}
.step{border:1px solid var(--line);border-radius:var(--radius);padding:26px;background:#fff;position:relative}
.step .n{counter-increment:s;font-size:38px;font-weight:800;color:var(--bg3);line-height:1}
.step .n::before{content:"0" counter(s)}
.step h3{font-size:18px;margin:8px 0 9px}
.step p{font-size:14px}
.step .bar{height:4px;border-radius:4px;background:linear-gradient(90deg,var(--brand),var(--gold));margin-top:16px}

/* ---------- 案例 ---------- */
.case-grid{display:grid;grid-template-columns:1fr 1fr;gap:42px;align-items:center}
.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:24px}
.metric{border:1px solid var(--line);border-radius:14px;padding:18px;text-align:center;background:#fff}
.metric b{display:block;font-size:28px;color:var(--brand);font-weight:800}
.metric span{font-size:12.5px;color:var(--muted)}
.tag{display:inline-block;font-size:12px;font-weight:700;color:var(--brand);background:var(--brand-l);
  border-radius:999px;padding:4px 12px;margin:0 6px 8px 0}
.case-list{display:grid;gap:22px}
.case-item{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;display:grid;grid-template-columns:1.1fr .9fr}
.case-item .ci-body{padding:28px}
.case-item .ci-body h3{font-size:21px;margin:10px 0 8px}
.case-item .ci-body p{font-size:14.5px}
.case-item .ci-visual{background:var(--bg2);display:flex;align-items:center;justify-content:center;padding:18px}
.kv{display:flex;gap:18px;flex-wrap:wrap;margin-top:16px}
.kv div{font-size:13px;color:var(--muted)}
.kv b{display:block;font-size:22px;color:var(--ok);font-weight:800}

/* ---------- 证言 ---------- */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.quote{border:1px solid var(--line);border-radius:var(--radius);padding:26px;background:#fff}
.quote p{font-size:15px;color:var(--ink);margin-bottom:18px}
.who{display:flex;align-items:center;gap:12px}
.av{width:44px;height:44px;border-radius:50%;background:var(--brand-l);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px}
.who b{font-size:14px;display:block}
.who span{font-size:12.5px;color:var(--soft)}

/* ---------- 客户领域墙 ---------- */
.wall{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg2);padding:40px 0}
.wall .t{text-align:center;color:var(--soft);font-size:13px;letter-spacing:1px;margin-bottom:22px}
.logos{display:flex;flex-wrap:wrap;justify-content:center;gap:36px}
.logos span{font-weight:800;color:#aab2bd;font-size:18px;letter-spacing:1px}

/* ---------- 金句带 ---------- */
.golden{background:var(--ink);color:#fff;text-align:center;padding:68px 24px}
.golden p{font-size:clamp(23px,3.6vw,36px);font-weight:800;line-height:1.5;max-width:1200px;margin:0 auto}
.golden .mt{color:#f00}
.golden .a{color:#f00}

/* ---------- CTA ---------- */
.cta-sec{text-align:center;background:linear-gradient(180deg,var(--bg2),#fff)}
.cta-sec h2{margin-bottom:12px}
.cta-sec .sub{margin:0 auto 30px}

/* ---------- 页脚 + 二维码 ---------- */
footer{background:#0e1620;color:#aeb7c2;padding:54px 0 28px;font-size:14px}
.foot-grid{max-width:var(--maxw);margin:0 auto;padding:0 24px;display:grid;
  grid-template-columns:1.4fr 1fr 1.4fr;gap:40px}
.foot-brand .brand-name{color:#fff;font-size:22px}
.foot-brand .brand-name b{color:#f00}
.foot-brand p{color:#8893a0;font-size:13.5px;margin-top:12px;max-width:320px}
.foot-col h4{color:#fff;font-size:15px;margin-bottom:14px}
.foot-col a{display:block;color:#aeb7c2;font-size:14px;margin:9px 0}
.foot-col a:hover{color:#fff}
.foot-qr{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;text-align:center}
.qr{background:#fff;border-radius:14px;padding:12px 10px}
.qr img{width:100%;max-width:96px;margin:0 auto 8px;border-radius:6px}
.qr .qt{font-size:12.5px;color:#16202b;font-weight:700;display:block}
.qr .qs{font-size:11px;color:#8a94a3}
.foot-bottom{border-top:1px solid #1c2733;margin-top:40px;padding-top:20px;
  max-width:var(--maxw);margin-left:auto;margin-right:auto;padding-left:24px;padding-right:24px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:12.5px;color:#6f7a87}

/* ---------- 关于页 ---------- */
.about-hero{display:grid;grid-template-columns:1.1fr .9fr;gap:46px;align-items:center}
.values .card{text-align:left}
.milestones{position:relative;margin-top:10px;padding-left:8px}
.ms-item{display:grid;grid-template-columns:90px 1fr;gap:22px;padding:18px 0;border-bottom:1px solid var(--line)}
.ms-item .yr{font-size:22px;font-weight:800;color:var(--brand)}
.ms-item h4{font-size:17px;margin-bottom:4px}
.ms-item p{font-size:14px}
.team-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.member{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;text-align:center}
.member .m-av{background:linear-gradient(135deg,var(--brand-l),#ffe3e8);padding:26px;display:flex;justify-content:center}
.member .m-av svg{width:84px;height:84px}
.member .m-body{padding:20px}
.member h4{font-size:17px;margin-bottom:3px}
.member .role{color:var(--brand);font-size:13px;font-weight:700;margin-bottom:8px}
.member p{font-size:13.5px}

/* ---------- 知识页 ---------- */
.know-hero{background:linear-gradient(135deg,var(--ink),#22303f);color:#fff;border-radius:22px;padding:48px;
  display:grid;grid-template-columns:1.3fr .7fr;gap:30px;align-items:center}
.know-hero h1{color:#fff;font-size:clamp(26px,4vw,40px);margin:12px 0}
.know-hero .sub{color:#c4ccd6}
.cat-row{display:flex;flex-wrap:wrap;gap:10px;margin:26px 0}
.cat{font-size:14px;border:1px solid var(--line);border-radius:999px;padding:8px 16px;color:var(--muted);background:#fff;cursor:pointer}
.cat.active,.cat:hover{border-color:var(--brand);color:var(--brand);font-weight:700}
.feature{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-bottom:34px}
.feature .f-body{padding:34px}
.feature .f-body h3{font-size:24px;margin:12px 0 10px}
.feature .f-body p{font-size:15px}
.feature .f-visual{background:var(--bg2);min-height:260px;display:flex;align-items:center;justify-content:center;padding:20px}
.article{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.post{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;transition:.2s;display:flex;flex-direction:column}
.post:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.post .p-visual{background:linear-gradient(135deg,var(--brand-l),#ffe9ed);display:flex;align-items:center;justify-content:center;height:120px;overflow:hidden;}
.post .p-visual img {width:auto;}
.post .p-body{padding:22px;flex:1;display:flex;flex-direction:column}
.post .p-cat{font-size:12px;color:var(--brand);font-weight:700}
.post h4{font-size:17px;margin:8px 0;line-height:1.4}
.post p{font-size:13.5px;flex:1}
.post .p-meta{font-size:12px;color:var(--soft);margin-top:14px;border-top:1px solid var(--line);padding-top:12px}

/*加载更多*/
.get_more {clear:both;background:#f2f2f2;color:#f00;line-height:58px;text-align:center;font-size:16px;font-weight:bold;margin:18px 0;}

/* ---------- 联系页 ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.info-list{display:grid;gap:16px;margin-top:8px}
.info-item{display:flex;gap:14px;align-items:flex-start}
.info-item .ic{margin-bottom:0;width:44px;height:44px}
.info-item b{display:block;font-size:15px}
.info-item span{font-size:14px;color:var(--muted)}
.form{border:1px solid var(--line);border-radius:var(--radius);padding:30px;background:#fff;box-shadow:var(--shadow-s)}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:700;margin-bottom:7px}
.field input,.field textarea,.field select{width:100%;border:1px solid var(--line);border-radius:10px;
  padding:12px 14px;font-size:15px;font-family:inherit;color:var(--ink);background:#fff;transition:.15s}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-l)}
.field textarea{resize:vertical;min-height:110px}
.map{margin-top:30px;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--bg2);min-height:280px;display:flex;align-items:center;justify-content:center;color:var(--soft);font-size:14px}
.qr-stack{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:10px}
.qr-stack .qr img{max-width:110px}

/* ---------- 响应式 ---------- */
@media(max-width:960px){
  .hero-grid,.insight,.case-grid,.about-hero,.know-hero,.feature,.contact-grid{grid-template-columns:1fr}
  .cards.c4{grid-template-columns:repeat(2,1fr)}
  .cards.c3{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .quotes,.team-grid,.article{grid-template-columns:1fr}
  .case-item{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .nav-links{display:none}
  .nav-toggle{display:block}
  .nav-links.open{display:flex;position:absolute;top:70px;left:0;right:0;flex-direction:column;
    background:#fff;border-bottom:1px solid var(--line);padding:14px 24px;gap:6px}
}
@media(max-width:560px){
  section{padding:56px 0}
  .cards.c4,.cards.c3,.cards.c2,.steps,.metrics,.foot-grid,.qr-stack{grid-template-columns:1fr}
  .insight{padding:30px}
  .know-hero,.feature,.case-item .ci-visual{padding:24px}
  h1{font-size:30px}
  .foot-bottom{flex-direction:column}
}