/* ===== Hero ===== */
.about-hero-banner{padding:80px 0 48px;overflow:hidden;}
.about-hero-row{display:grid;grid-template-columns:1.1fr 0.9fr;gap:48px;align-items:center;}
.about-hero-chip{display:inline-flex;align-items:center;gap:6px;padding:6px 16px;background:rgba(37,99,235,0.07);border:1px solid rgba(37,99,235,0.12);border-radius:40px;font-size:0.82rem;font-weight:600;color:#2563eb;margin-bottom:20px;}
.about-hero-left h1{font-size:clamp(2rem,4vw,3.2rem);font-weight:800;line-height:1.2;color:#0f2b4d;margin-bottom:18px;}
.about-hero-desc{font-size:1.05rem;color:#64748b;line-height:1.8;margin-bottom:28px;max-width:500px;}
.about-hero-btns{display:flex;gap:14px;flex-wrap:wrap;}
/* 右侧视觉 */
.about-hero-right{position:relative;height:380px;display:flex;align-items:center;justify-content:center;}
.about-hero-glow{position:absolute;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(37,99,235,0.08) 0%,transparent 70%);animation:glowPulse 3s ease-in-out infinite;}
@keyframes glowPulse{0%,100%{transform:scale(1);opacity:.7}50%{transform:scale(1.12);opacity:1}}
.about-hero-badge-ring{width:140px;height:140px;border-radius:50%;border:2px solid rgba(37,99,235,0.15);display:flex;align-items:center;justify-content:center;position:relative;z-index:1;animation:ringSpin 20s linear infinite;}
@keyframes ringSpin{to{transform:rotate(360deg)}}
.about-hero-badge-inner{width:100px;height:100px;border-radius:50%;background:linear-gradient(135deg,#2563eb,#1d4ed8);display:flex;align-items:center;justify-content:center;font-size:2.5rem;color:white;box-shadow:0 16px 40px rgba(37,99,235,0.35);}
.about-hero-float{position:absolute;width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:1.2rem;color:white;box-shadow:0 8px 24px rgba(0,0,0,0.12);animation:floatBob 3s ease-in-out infinite;}
.about-hero-float-1{top:30px;left:20%;background:linear-gradient(135deg,#8b5cf6,#6d28d9);animation-delay:0s;}
.about-hero-float-2{top:60px;right:10%;background:linear-gradient(135deg,#06b6d4,#0891b2);animation-delay:.5s;}
.about-hero-float-3{bottom:60px;left:10%;background:linear-gradient(135deg,#f59e0b,#d97706);animation-delay:1s;}
.about-hero-float-4{bottom:30px;right:20%;background:linear-gradient(135deg,#2563eb,#1d4ed8);animation-delay:1.5s;}
@keyframes floatBob{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}

/* ===== 计数器 ===== */
.about-counter-section{padding:0 0 16px;}
.about-counter-bar{display:flex;align-items:center;background:linear-gradient(135deg,#0f2b4d,#1a4a7a);border-radius:20px;padding:36px 32px;}
.about-counter-item{flex:1;text-align:center;color:white;padding:0 16px;}
.about-counter-icon{font-size:1.2rem;opacity:.5;margin-bottom:8px;}
.about-counter-num{font-size:2.6rem;font-weight:800;line-height:1;}
.about-counter-plus{font-size:1.1rem;font-weight:600;opacity:.65;}
.about-counter-text{font-size:.82rem;opacity:.55;margin-top:6px;}
.about-counter-sep{width:1px;height:48px;background:rgba(255,255,255,.1);flex-shrink:0;}

/* ===== 公司介绍+文化 ===== */
.about-split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;}
.about-split-label{display:inline-block;padding:4px 14px;background:rgba(37,99,235,.07);border-radius:20px;font-size:.78rem;font-weight:600;color:#2563eb;margin-bottom:16px;}
.about-split-text h2{font-size:clamp(1.6rem,3vw,2.2rem);font-weight:800;color:#0f2b4d;line-height:1.3;margin-bottom:18px;}
.about-split-text p{color:#475569;font-size:1rem;line-height:1.8;margin-bottom:12px;}
.about-split-text strong{color:#0f2b4d;}
.about-split-cards{display:flex;flex-direction:column;gap:14px;}
.about-mini-card{display:flex;gap:16px;align-items:flex-start;background:white;border:1px solid #e9edf2;border-radius:14px;padding:20px;transition:all .25s;}
.about-mini-card:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(0,0,0,.05);border-color:transparent;}
.about-mini-icon{width:40px;height:40px;min-width:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;color:white;font-size:.95rem;}
.about-mini-card h4{font-size:.95rem;font-weight:700;color:#0f2b4d;margin-bottom:3px;}
.about-mini-card p{font-size:.82rem;color:#64748b;line-height:1.5;margin:0;}

/* ===== 四大优势 ===== */
.about-section-head{text-align:center;margin-bottom:48px;}
.about-section-tag{display:inline-block;padding:4px 14px;background:rgba(37,99,235,.07);border-radius:20px;font-size:.78rem;font-weight:600;color:#2563eb;margin-bottom:12px;}
.about-section-head h2{font-size:clamp(1.6rem,3vw,2.2rem);font-weight:800;color:#0f2b4d;}
.about-four-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.about-four-card{background:white;border:1px solid #e9edf2;border-radius:18px;overflow:hidden;transition:all .3s;}
.about-four-card:hover{transform:translateY(-6px);box-shadow:0 20px 40px rgba(0,0,0,.07);border-color:transparent;}
.about-four-top{height:100px;display:flex;align-items:center;justify-content:center;font-size:2rem;color:rgba(255,255,255,.85);}
.about-four-body{padding:24px 22px 28px;}
.about-four-body h3{font-size:1.1rem;font-weight:700;color:#0f2b4d;margin-bottom:8px;}
.about-four-body p{font-size:.88rem;color:#64748b;line-height:1.65;margin-bottom:14px;}
.about-four-tag{display:inline-block;padding:3px 10px;background:#f1f5f9;border-radius:16px;font-size:.72rem;font-weight:600;color:#64748b;}

/* ===== 服务流程 ===== */
.about-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative;}
.about-step{text-align:center;padding:0 20px;position:relative;}
.about-step-circle{width:60px;height:60px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;color:white;font-weight:800;font-size:1.1rem;box-shadow:0 6px 20px rgba(0,0,0,.12);position:relative;z-index:1;}
.about-step-line{position:absolute;top:30px;left:calc(50% + 36px);width:calc(100% - 72px);height:3px;background:linear-gradient(90deg,#e2e8f0,#cbd5e1);border-radius:2px;z-index:0;}
.about-step:last-child .about-step-line{display:none;}
.about-step h4{font-size:1rem;font-weight:700;color:#0f2b4d;margin-bottom:6px;}
.about-step p{font-size:.82rem;color:#64748b;line-height:1.5;}

/* ===== 响应式 ===== */
@media(max-width:900px){
    .about-hero-row{grid-template-columns:1fr;}
    .about-hero-right{display:none;}
    .about-split{grid-template-columns:1fr;}
    .about-four-grid{grid-template-columns:1fr 1fr;}
    .about-steps{grid-template-columns:1fr 1fr;gap:32px;}
    .about-step-line{display:none;}
}
@media(max-width:640px){
    .about-counter-bar{flex-direction:column;gap:20px;padding:28px 20px;}
    .about-counter-sep{width:60px;height:1px;}
    .about-four-grid{grid-template-columns:1fr;}
    .about-steps{grid-template-columns:1fr;}
}