:root{
  --ll-primary:#0F4C81;
  --ll-primary-dark:#0B3A63;
  --ll-primary-light:#EAF2FA;
  --ll-accent:#E67E22;
  --ll-accent-light:#FBEFE1;
  --ll-text:#333333;
  --ll-text-muted:#5B6574;
  --ll-gray:#f5f7fa;
  --ll-border:#E5EAF0;
  --ll-white:#ffffff;
  --ll-radius:12px;
  --ll-radius-lg:18px;
  --ll-shadow:0 4px 20px rgba(15,76,129,.06);
  --ll-shadow-hover:0 18px 40px rgba(15,76,129,.12);
  --ll-transition:.3s cubic-bezier(.4,0,.2,1);
}
/* ===== ABOUT LLZJD ===== */
.ll-inner-banner{position:relative;background-size:cover;background-position:center;color:#fff;overflow:hidden;padding:140px 0 100px;min-height:360px;display:flex;align-items:center;}
.ll-inner-banner__overlay{position:absolute;inset:0;background:linear-gradient(120deg,rgba(11,58,99,.92) 0%,rgba(15,76,129,.82) 45%,rgba(15,76,129,.62) 100%);}
.ll-inner-banner__inner{position:relative;z-index:2;max-width:880px;}
.ll-inner-banner__title{font-size:46px;font-weight:800;margin:0 0 12px;line-height:1.25;}
.ll-inner-banner__sub{font-size:16px;color:rgba(255,255,255,.88);margin:0;letter-spacing:1px;}

.ll-section{padding:88px 0;}
.ll-section--gray{background:#f5f7fa;}
.ll-section-head{text-align:center;max-width:820px;margin:0 auto 52px;}
.ll-kicker{display:inline-block;font-size:13px;letter-spacing:3px;font-weight:700;color:#0F4C81;margin-bottom:14px;text-transform:uppercase;}
.ll-section-title{font-size:34px;font-weight:800;color:#0a1d32;margin:0 0 16px;line-height:1.3;}
.ll-section-title--left{text-align:left;font-size:30px;}
.ll-section-sub{font-size:15px;color:#5B6574;margin:0;line-height:1.8;}
.ll-section-title::after{content:"";display:block;width:56px;height:4px;background:#E67E22;margin:20px auto 0;border-radius:4px;}
.ll-section-title--left::after{margin:20px 0 0;}
.ll-btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 26px;border-radius:999px;font-size:15px;font-weight:700;text-decoration:none;cursor:pointer;transition:all .3s ease;border:2px solid transparent;line-height:1;}
.ll-btn--primary{background:#0F4C81;color:#fff;box-shadow:0 10px 24px rgba(15,76,129,.22);}
.ll-btn--primary:hover{background:#0B3A63;color:#fff;transform:translateY(-1px);box-shadow:0 14px 30px rgba(15,76,129,.3);}
.ll-btn--accent{background:#E67E22;color:#fff;box-shadow:0 10px 24px rgba(230,126,34,.26);}
.ll-btn--accent:hover{background:#D16914;color:#fff;transform:translateY(-1px);}
.ll-btn--white{background:#fff;color:#0F4C81;}
.ll-btn--white:hover{background:rgba(255,255,255,.92);transform:translateY(-1px);}
.ll-btn--outline-dark{background:transparent;color:#0F4C81;border:2px solid #0F4C81;}
.ll-btn--outline-dark:hover{background:#0F4C81;color:#fff;transform:translateY(-1px);}
.ll-section-cta{margin-top:36px;text-align:center;}

.ll-adv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.ll-adv-card{background:#fff;border-radius:18px;padding:30px 24px;border:1px solid #E5EAF0;box-shadow:0 4px 20px rgba(15,76,129,.05);transition:all .3s ease;position:relative;overflow:hidden;}
.ll-adv-card:hover{transform:translateY(-5px);box-shadow:0 18px 40px rgba(15,76,129,.12);border-color:#EAF2FA;}
.ll-adv-icon{width:60px;height:60px;border-radius:16px;background:#EAF2FA;color:#0F4C81;display:flex;align-items:center;justify-content:center;margin-bottom:16px;}
.ll-adv-icon svg{width:30px;height:30px;}
.ll-adv-tag{display:inline-block;padding:4px 12px;border-radius:999px;background:rgba(230,126,34,.12);color:#E67E22;font-size:12px;font-weight:700;margin-bottom:10px;}
.ll-adv-card h3{font-size:18px;font-weight:700;color:#0a1d32;margin:0 0 10px;}
.ll-adv-card p{font-size:14px;color:#5B6574;line-height:1.85;margin:0;}

/* About Intro */
.ll-about-intro{padding:88px 0 40px;}
.ll-about-intro__grid{display:grid;grid-template-columns:1fr 1.1fr;gap:56px;align-items:start;}
.ll-about-intro__left{min-width:0;}
.ll-about-intro__media{border-radius:18px;padding:16px;background:#f5f7fa;border:1px solid #E5EAF0;box-shadow:0 24px 60px rgba(15,76,129,.14);}
.ll-about-intro__media img{width:100%;height:auto;max-height:540px;object-fit:contain;display:block;margin:0 auto;}
.ll-about-intro__text p.ll-about-intro__p{font-size:15px;color:#000000;line-height:1.9;margin:0 0 8px;text-align:justify;}
.ll-about-intro__meta{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:18px;}
.ll-about-intro__meta>div{padding:15px 16px;border-radius:12px;background:#f5f7fa;border:1px solid #E5EAF0;transition:all .3s ease;}
.ll-about-intro__meta>div:hover{background:#fff;border-color:#cfe0f2;box-shadow:0 6px 16px rgba(15,76,129,.08);transform:translateY(-2px);}
.ll-about-intro__meta strong{display:block;font-size:15px;color:#0a1d32;font-weight:800;margin-bottom:5px;line-height:1.45;word-break:break-word;}
.ll-about-intro__meta span{font-size:12px;color:#5B6574;letter-spacing:1px;}

/* Equipment */
.ll-about-equip__grid{display:grid;grid-template-columns:1.1fr 1fr;gap:56px;align-items:center;}
.ll-about-equip__text p{font-size:15px;color:#3a4455;line-height:2;margin:0 0 16px;}
.ll-equip-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:6px;}
.ll-equip-meta>div{padding:14px 10px;background:#f5f7fa;border-radius:12px;text-align:center;border:1px solid #E5EAF0;}
.ll-equip-meta span{font-size:13px;color:#0F4C81;font-weight:700;}
.ll-about-equip__media{position:relative;border-radius:20px;overflow:hidden;aspect-ratio:5/4;box-shadow:0 24px 60px rgba(15,76,129,.18);background:#EAF2FA;}
.ll-about-equip__media img{width:100%;height:100%;object-fit:cover;display:block;}
.ll-about-equip__badge{position:absolute;left:24px;bottom:24px;padding:18px 22px;border-radius:16px;background:rgba(255,255,255,.96);box-shadow:0 12px 30px rgba(0,0,0,.12);}
.ll-about-equip__badge strong{display:block;font-size:17px;color:#0F4C81;font-weight:800;}
.ll-about-equip__badge span{font-size:13px;color:#5B6574;}

/* Process */
.ll-process-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.ll-process-card{background:#fff;border-radius:18px;padding:28px 24px;border:1px solid #E5EAF0;box-shadow:0 4px 20px rgba(15,76,129,.05);position:relative;transition:all .3s ease;}
.ll-process-card:hover{transform:translateY(-4px);box-shadow:0 16px 36px rgba(15,76,129,.12);border-color:#EAF2FA;}
.ll-process-step{position:absolute;top:-20px;left:24px;width:52px;height:52px;border-radius:14px;background:linear-gradient(135deg,#E67E22,#C25A0F);color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:800;box-shadow:0 10px 24px rgba(230,126,34,.3);}
.ll-process-card h3{font-size:18px;font-weight:700;color:#0a1d32;margin:16px 0 10px;}
.ll-process-card p{font-size:14px;color:#5B6574;line-height:1.9;margin:0;}

/* Geo */
.ll-about-geo__grid{display:grid;grid-template-columns:1fr 1.1fr;gap:56px;align-items:center;}
.ll-about-geo__text p{font-size:15px;color:#3a4455;line-height:2;margin:0 0 16px;}
.ll-geo-tags{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0;}
.ll-geo-tag{padding:10px 22px;border-radius:999px;background:#fff;color:#0F4C81;font-weight:700;font-size:14px;border:1px solid #EAF2FA;transition:all .3s ease;}
.ll-geo-tags--dark .ll-geo-tag{background:#f5f7fa;}
.ll-geo-tag:hover{background:#0F4C81;color:#fff;transform:translateY(-1px);}
.ll-about-geo__actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:8px;}
.ll-about-geo__map{border-radius:20px;padding:18px;background:#fff;box-shadow:0 12px 30px rgba(15,76,129,.08);border:1px solid #E5EAF0;}
.ll-about-geo__map svg{width:100%;height:auto;display:block;}

/* CTA */
.ll-about-cta{background:linear-gradient(135deg,#0B3A63 0%,#0F4C81 100%);color:#fff;padding:72px 0;}
.ll-cta-box{display:grid;grid-template-columns:1.3fr 1fr;gap:40px;align-items:center;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:22px;padding:44px;}
.ll-cta-copy h2{font-size:28px;line-height:1.35;margin:0 0 10px;color:#fff;font-weight:800;}
.ll-cta-copy p{color:rgba(255,255,255,.86);margin:0 0 20px;font-size:15px;}
.ll-cta-phone{display:inline-flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-size:18px;font-weight:800;background:rgba(255,255,255,.1);padding:12px 18px;border-radius:999px;transition:all .3s ease;}
.ll-cta-phone:hover{background:rgba(255,255,255,.18);transform:translateY(-1px);color:#fff;}
.ll-cta-phone svg{width:22px;height:22px;}
.ll-cta-actions{display:flex;gap:14px;justify-content:flex-end;flex-wrap:wrap;}

/* RESPONSIVE ABOUT */
@media(max-width:1100px){
  .ll-about-intro__grid,.ll-about-equip__grid,.ll-about-geo__grid{grid-template-columns:1fr;gap:32px;}
  .ll-section{padding:68px 0;}
  .ll-about-intro{padding:68px 0 20px;}
  .ll-adv-grid{grid-template-columns:repeat(2,1fr);}
  .ll-process-grid{grid-template-columns:repeat(2,1fr);}
  .ll-cta-box{grid-template-columns:1fr;gap:24px;padding:32px;}
  .ll-cta-actions{justify-content:flex-start;}
  .ll-equip-meta{grid-template-columns:repeat(2,1fr);}
}
@media(max-width:768px){
  .page-container{width:100%;padding:0 15px;}
  .ll-section{padding:52px 0;}
  .ll-about-intro{padding:52px 0 16px;}
  .ll-inner-banner{padding:110px 0 70px;min-height:300px;}
  .ll-inner-banner__title{font-size:28px;}
  .ll-section-title{font-size:24px;}
  .ll-section-title--left{font-size:22px;}
  .ll-adv-grid,.ll-process-grid{grid-template-columns:1fr;gap:14px;}
  .ll-about-intro__meta{grid-template-columns:repeat(2,1fr);gap:10px;}
  .ll-equip-meta{grid-template-columns:repeat(2,1fr);}
  .ll-about-geo__actions .ll-btn{flex:1 1 auto;min-width:calc(50% - 7px);justify-content:center;}
  .ll-cta-copy h2{font-size:22px;}
  .ll-cta-actions{flex-direction:column;}
  .ll-cta-actions .ll-btn{width:100%;}
  .ll-cta-box{padding:24px 20px;}
}

/* ===== About 增强板块：设备轮播 / 覆盖区域 / FAQ（对照首页样式） ===== */
.ll-equip-slider{position:relative;}
.ll-equip-slide{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block;opacity:0;transition:opacity 1s ease;pointer-events:none;}
.ll-equip-slide.active{opacity:1;position:relative;}
.ll-equip-meta strong{display:block;font-size:15px;color:#0a1d32;font-weight:800;margin-bottom:4px;line-height:1.3;}

.ll-geo-regions{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:24px;}
.ll-geo-region{background:#fff;border-radius:14px;padding:22px 20px;border:1px solid var(--ll-border);box-shadow:0 4px 14px rgba(10,29,50,.06);transition:all var(--ll-transition);position:relative;overflow:hidden;}
.ll-geo-region::before{content:'';position:absolute;top:0;left:0;width:100%;height:4px;background:var(--ll-primary);transform:scaleX(0);transform-origin:left;transition:transform .4s ease;}
.ll-geo-region:hover::before{transform:scaleX(1);}
.ll-geo-region:hover{transform:translateY(-4px);box-shadow:0 12px 28px rgba(10,29,50,.12);border-color:var(--ll-primary-light);}
.ll-geo-region--hq{background:linear-gradient(135deg,#0F4C81 0%,#0a3a63 100%);border-color:#0F4C81;}
.ll-geo-region--hq::before{display:none;}
.ll-geo-region--hq .ll-geo-region-name{color:#fff;}
.ll-geo-region-head{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:16px;padding-bottom:12px;border-bottom:1px dashed rgba(15,76,129,.18);}
.ll-geo-region--hq .ll-geo-region-head{border-bottom-color:rgba(255,255,255,.25);}
.ll-geo-region-name{font-size:20px;font-weight:800;color:#0a1d32;letter-spacing:1px;}
.ll-geo-hq-badge{padding:3px 10px;border-radius:6px;background:var(--ll-accent);color:#fff;font-size:11px;font-weight:700;letter-spacing:.5px;}
.ll-geo-cities{display:flex;flex-wrap:wrap;gap:8px;}
.ll-geo-city{padding:6px 12px;border-radius:6px;background:rgba(15,76,129,.06);color:#3a4455;font-size:13px;font-weight:500;text-decoration:none;transition:all var(--ll-transition);border:1px solid transparent;}
.ll-geo-city:hover{background:var(--ll-primary);color:#fff;border-color:var(--ll-primary);transform:translateY(-1px);}
.ll-geo-region--hq .ll-geo-city{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.2);}
.ll-geo-region--hq .ll-geo-city:hover{background:var(--ll-accent);border-color:var(--ll-accent);}

.ll-faq-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;align-items:start;}
.ll-faq-item{background:#fff;border:1px solid var(--ll-border);border-radius:14px;box-shadow:0 4px 14px rgba(10,29,50,.05);overflow:hidden;}
.ll-faq-item.is-open{border-color:var(--ll-primary-light);box-shadow:var(--ll-shadow);}
.ll-faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;text-align:left;padding:20px 22px;border:0;background:transparent;cursor:pointer;font-size:16px;font-weight:700;color:#0a1d32;transition:all var(--ll-transition);}
.ll-faq-q:hover{color:var(--ll-primary);}
.ll-faq-item.is-open .ll-faq-q{color:var(--ll-primary);}
.ll-faq-icon{position:relative;width:22px;height:22px;flex-shrink:0;}
.ll-faq-icon::before,.ll-faq-icon::after{content:"";position:absolute;background:currentColor;left:50%;top:50%;transform:translate(-50%,-50%);transition:transform var(--ll-transition);border-radius:2px;}
.ll-faq-icon::before{width:14px;height:2px;}
.ll-faq-icon::after{width:2px;height:14px;}
.ll-faq-item.is-open .ll-faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
.ll-faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease;}
.ll-faq-item.is-open .ll-faq-a{max-height:360px;}
.ll-faq-a-inner{padding:0 28px 24px;color:var(--ll-text-muted);font-size:15px;line-height:1.9;}
.ll-faq-a-label{font-weight:700;color:var(--ll-accent);margin-right:6px;}

@media(max-width:1100px){.ll-geo-regions{grid-template-columns:repeat(2,1fr);}}
@media(max-width:768px){
  .ll-geo-regions{grid-template-columns:1fr;gap:14px;}
  .ll-geo-region{padding:18px 16px;}
  .ll-geo-region-name{font-size:18px;}
  .ll-geo-city{padding:5px 10px;font-size:12px;}
  .ll-faq-list{grid-template-columns:1fr;gap:14px;}
  .ll-faq-q{padding:16px 18px;font-size:15px;}
  .ll-faq-a-inner{padding:0 20px 20px;font-size:14px;}
}