:root{
  --blue:#00A2ED; --blue-2:#0091D4; --blue-3:#39B8F2;
  --navy:#0E2841; --sky:#E9F7FE; --sky-2:#D4EFFC;
  --yellow:#FFDD00; --ink:#24384A; --gray:#5A6C7A;
  --line:#D9E9F2;
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;color:var(--ink);line-height:1.7;background:#fff;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}

/* ===== Hero ===== */
.pf-hero{position:relative;color:#fff;overflow:hidden;padding:88px 0 78px;
  background:linear-gradient(135deg,var(--blue-2) 0%,var(--blue-3) 100%)}
.pf-hero::after{content:'';position:absolute;right:-80px;top:-80px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,221,0,.30),transparent 70%)}
.pf-hero .wrap{position:relative;z-index:2;text-align:center}
.pf-tag{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.30);padding:6px 18px;border-radius:30px;
  font-size:13px;letter-spacing:1px;color:#eff8ff;margin-bottom:22px}
.pf-hero h1{font-size:46px;font-weight:800;letter-spacing:-.6px;margin-bottom:16px}
.pf-hero h1 span{color:var(--yellow)}
.pf-hero p{font-size:17px;color:#dff1fd;max-width:680px;margin:0 auto;line-height:1.8}

/* ===== 分段作品墙 ===== */
.pf-work{padding:20px 0 8px}
.pf-sec{padding:34px 0 8px}
.pf-sec-head{display:flex;align-items:center;justify-content:space-between;gap:16px;
  margin-bottom:22px;padding-bottom:14px;border-bottom:2px solid var(--sky-2)}
.pf-sec-head h2{font-size:26px;font-weight:800;color:var(--navy);letter-spacing:-.3px}
.pf-sec-head h2 em{font-style:normal;color:var(--blue-2)}
.pf-sec-head .pf-sec-more{font-size:13.5px;font-weight:700;color:var(--blue-2);
  display:inline-flex;align-items:center;gap:5px;white-space:nowrap}
.pf-sec-head .pf-sec-more:hover{color:var(--navy)}
.pf-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.pf-card-wrap{display:block;height:100%}
a.pf-card-link{display:block;color:inherit;text-decoration:none;border-radius:14px;height:100%}
.pf-card{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;
  transition:all .3s;box-shadow:0 2px 10px rgba(14,40,65,.04);height:100%}
.pf-card:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(0,130,200,.14);border-color:#bfe6f7}
.pf-card-img{position:relative;height:232px;overflow:hidden;background:linear-gradient(135deg,#f0f7fc,#e6eef5)}
.pf-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.pf-card:hover .pf-card-img img{transform:scale(1.05)}
.pf-card-img .c-tag{position:absolute;top:14px;left:14px;z-index:2;background:rgba(0,162,237,.92);
  color:#fff;font-size:12px;font-weight:600;padding:4px 12px;border-radius:20px}
.pf-card-body{padding:22px 22px 24px}
.pf-card-body h3{font-size:19px;font-weight:800;color:var(--ink);margin-bottom:4px}
.pf-card-body .c-industry{font-size:12.5px;color:var(--blue-2);font-weight:600;margin-bottom:10px;display:block}
.pf-card-body p{font-size:13.5px;color:var(--gray);line-height:1.7;margin:0}

/* ===== 数据指标 ===== */
.pf-stats{background:linear-gradient(135deg,var(--navy) 0%,#15405f 100%);color:#fff;padding:60px 0;position:relative;overflow:hidden}
.pf-stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;text-align:center;position:relative;z-index:2}
.pf-stat-num{font-size:50px;font-weight:800;color:#fff;line-height:1;margin-bottom:10px}
.pf-stat-num em{font-style:normal;color:var(--yellow)}
.pf-stat-label{font-size:14px;color:#a8c9dd}

/* ===== 行业覆盖 ===== */
.pf-cover{padding:56px 0 20px}
.pf-cover .clients{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px 30px;
  display:flex;align-items:center;gap:16px;flex-wrap:wrap;justify-content:center}
.pf-cover .clients span{color:var(--gray);font-size:14px;font-weight:600}
.pf-cover .clients b{background:var(--sky);color:var(--ink);border:1px solid var(--line);
  padding:8px 18px;border-radius:26px;font-size:14px;font-weight:600}

/* ===== CTA ===== */
.pf-cta{text-align:center;padding:50px 0 70px}
.pf-cta-card{background:linear-gradient(135deg,var(--blue-2),var(--blue-3));border-radius:18px;
  padding:52px 40px;color:#fff;position:relative;overflow:hidden}
.pf-cta-card::after{content:'';position:absolute;right:-60px;bottom:-60px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,221,0,.32),transparent 70%)}
.pf-cta-card h3{font-size:28px;font-weight:800;margin-bottom:12px;position:relative;z-index:2}
.pf-cta-card p{color:#dff1fd;margin-bottom:26px;position:relative;z-index:2}
.pf-btn{display:inline-flex;align-items:center;gap:8px;padding:14px 34px;border-radius:6px;
  font-weight:700;font-size:15px;background:var(--yellow);color:#1b3a52;
  box-shadow:0 6px 18px rgba(255,221,0,.35);transition:all .2s;position:relative;z-index:2}
.pf-btn:hover{background:#ffd400;transform:translateY(-2px)}

@media(max-width:960px){.pf-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){
  .pf-grid{grid-template-columns:1fr}
  .pf-hero h1{font-size:30px;padding-top:14px}
  .pf-hero{padding:60px 0 54px}
  .pf-stats-grid{grid-template-columns:repeat(2,1fr);gap:26px}
}