/* about.html */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:"PingFang SC","Microsoft YaHei",sans-serif;color:#333;line-height:1.6;background:#fff}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.btn{display:inline-block;padding:12px 32px;border-radius:4px;font-size:.95rem;font-weight:600;cursor:pointer;transition:all .3s}
.btn-primary{background:#e8341a;color:#fff;border:2px solid #e8341a}
.btn-primary:hover{background:#c42a14;transform:translateY(-2px)}
.top-bar{background:#1a1a2e;color:#ccc;font-size:.82rem;padding:8px 0}
.top-bar .container{display:flex;justify-content:space-between;align-items:center}
.top-bar a{color:#ccc}.top-bar a:hover{color:#e8341a}
header{position:sticky;top:0;z-index:1000;background:#fff;box-shadow:0 2px 12px rgba(0,0,0,.08)}
nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;gap:12px}
.logo-icon{width:44px;height:44px;background:#e8341a;border-radius:8px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.4rem;font-weight:900}
.logo-text .name{font-size:1.1rem;font-weight:700;color:#1a1a2e}
.logo-text .eng{font-size:.72rem;color:#888;letter-spacing:1px}
.nav-links{display:flex;list-style:none;gap:8px}
.nav-links a{display:block;padding:8px 16px;font-size:.95rem;color:#333;border-radius:4px;transition:color .2s}
.nav-links a:hover,.nav-links a.active{color:#e8341a}
.nav-phone{font-weight:700;color:#e8341a;font-size:1rem;white-space:nowrap}
.nav-phone span{font-size:.8rem;color:#888;font-weight:400;display:block}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer}
.hamburger span{width:24px;height:2px;background:#333;display:block}

.page-hero{background:linear-gradient(135deg,#1a1a2e,#0f3460);color:#fff;padding:60px 0;text-align:center}
.page-hero h1{font-size:2.4rem;font-weight:800;margin-bottom:12px}
.page-hero p{color:rgba(255,255,255,.75);font-size:1.05rem}
.breadcrumb{display:flex;justify-content:center;gap:8px;margin-top:16px;font-size:.85rem;color:rgba(255,255,255,.6)}
.breadcrumb a{color:rgba(255,255,255,.6)}.breadcrumb a:hover{color:#e8341a}

/* 公司简介 */
.about-section{padding:80px 0}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.about-visual{position:relative}
.about-main-img{background:linear-gradient(135deg,#1a1a2e,#0f3460);border-radius:16px;height:380px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;color:#fff}
.about-main-img .icon{font-size:5rem}
.about-main-img .caption{font-size:1rem;opacity:.8}
.about-badge{position:absolute;bottom:-20px;right:-20px;background:#e8341a;color:#fff;border-radius:12px;padding:16px 24px;text-align:center;box-shadow:0 8px 24px rgba(232,52,26,.3)}
.about-badge .num{font-size:2rem;font-weight:800;line-height:1}
.about-badge .lbl{font-size:.8rem;opacity:.9;margin-top:4px}
.about-tag{display:inline-block;background:#fff5f3;color:#e8341a;border:1px solid #ffd0c8;font-size:.82rem;padding:4px 14px;border-radius:12px;margin-bottom:12px}
.about-text h2{font-size:2rem;font-weight:800;color:#1a1a2e;margin-bottom:16px}
.about-text p{color:#555;line-height:1.9;margin-bottom:16px;font-size:.96rem}
.about-highlights{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:24px}
.highlight{background:#f8f8f8;border-radius:8px;padding:14px 16px;display:flex;align-items:center;gap:10px}
.highlight .icon2{font-size:1.5rem}
.highlight .info .v{font-size:1.1rem;font-weight:700;color:#1a1a2e}
.highlight .info .k{font-size:.78rem;color:#888}

/* 发展历程 */
.history{background:#f9f9f9;padding:80px 0}
.timeline{position:relative;max-width:800px;margin:0 auto}
.timeline::before{content:'';position:absolute;left:50%;top:0;bottom:0;width:2px;background:#e0e0e0;transform:translateX(-50%)}
.tl-item{display:flex;gap:32px;margin-bottom:40px;position:relative}
.tl-item:nth-child(even){flex-direction:row-reverse}
.tl-year{flex:1;text-align:right;padding-top:4px}
.tl-item:nth-child(even) .tl-year{text-align:left}
.tl-year span{font-size:1.5rem;font-weight:800;color:#e8341a}
.tl-dot{width:16px;height:16px;background:#e8341a;border-radius:50%;flex-shrink:0;margin-top:8px;position:relative;z-index:1}
.tl-content{flex:1;background:#fff;border-radius:10px;padding:20px 24px;box-shadow:0 2px 10px rgba(0,0,0,.06)}
.tl-content h4{font-size:1rem;font-weight:700;color:#1a1a2e;margin-bottom:6px}
.tl-content p{font-size:.88rem;color:#666;line-height:1.6}

/* 团队与文化 */
.culture{padding:80px 0}
.culture-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.culture-card{background:#fff;border:1px solid #eee;border-radius:12px;padding:32px 24px;text-align:center;transition:all .3s}
.culture-card:hover{border-color:#e8341a;box-shadow:0 8px 30px rgba(232,52,26,.1);transform:translateY(-4px)}
.culture-icon{font-size:3rem;margin-bottom:16px}
.culture-card h3{font-size:1.1rem;font-weight:700;color:#1a1a2e;margin-bottom:10px}
.culture-card p{font-size:.88rem;color:#666;line-height:1.7}

/* 荣誉资质 */
.honor{background:#f9f9f9;padding:80px 0}
.honor-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.honor-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 2px 10px rgba(0,0,0,.06);transition:all .3s}
.honor-card:hover{box-shadow:0 8px 24px rgba(0,0,0,.12);transform:translateY(-4px)}
.honor-img{height:160px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#f8f8f8,#eeeeee);font-size:3.5rem}
.honor-body{padding:16px}
.honor-body h4{font-size:.95rem;font-weight:700;color:#1a1a2e;margin-bottom:4px}
.honor-body p{font-size:.8rem;color:#888}

/* 数据展示条 */
.numbers-strip{background:#e8341a;color:#fff;padding:50px 0}
.numbers-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;text-align:center}
.num-item .big{font-size:2.5rem;font-weight:800;line-height:1}
.num-item .big span{font-size:1rem}
.num-item .label{font-size:.82rem;opacity:.85;margin-top:8px}

/* ===== FAQ区块 ===== */
.faq-section { background: #f8f9fb; }
.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.faq-item {
  background: #fff;
  border-radius: 10px;
  padding: 24px 28px;
  border-left: 4px solid #e8341a;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  transition: box-shadow 0.2s;
}
.faq-item:hover { box-shadow: 0 6px 24px rgba(0,0,0,0.10); }
.faq-q {
  font-size: 1rem;
  font-weight: 700;
  color: #1a1a2e;
  margin-bottom: 10px;
  line-height: 1.5;
}
.faq-q::before {
  content: 'Q';
  display: inline-block;
  background: #e8341a;
  color: #fff;
  font-size: 0.75rem;
  font-weight: 800;
  width: 20px;
  height: 20px;
  border-radius: 4px;
  text-align: center;
  line-height: 20px;
  margin-right: 8px;
  vertical-align: middle;
}
.faq-a {
  font-size: 0.9rem;
  color: #555;
  line-height: 1.8;
  padding-left: 28px;
}
@media (max-width: 768px) {
  .faq-grid { grid-template-columns: 1fr; }
}

/* Footer */
footer{background:#111;color:rgba(255,255,255,.6);padding:60px 0 24px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:48px}
.footer-col h4{color:#fff;font-size:.95rem;font-weight:700;margin-bottom:16px;padding-bottom:8px;border-bottom:1px solid #333}
.footer-col p,.footer-col a{font-size:.85rem;line-height:2;display:block;transition:color .2s}
.footer-col a:hover{color:#e8341a}
.footer-bottom{border-top:1px solid #222;padding-top:24px;display:flex;justify-content:center;align-items:center;font-size:.78rem;flex-wrap:nowrap;gap:0;white-space:nowrap}
.footer-bottom a{color:rgba(255,255,255,.5)}.footer-bottom a:hover{color:#e8341a}
.float-btn{width:52px;height:52px;border-radius:50%;background:#e8341a;color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.4rem;box-shadow:0 4px 16px rgba(232,52,26,.4);cursor:pointer;transition:all .3s;position:fixed;right:24px;z-index:999}
.float-phone{bottom:90px}.float-wx{bottom:150px;background:#07c160}.float-top{bottom:24px;background:#555}
.float-btn:hover{transform:scale(1.1)}

@media(max-width:768px){
  .nav-links{display:none}.hamburger{display:flex}
  .about-grid{grid-template-columns:1fr}.about-badge{position:static;margin-top:20px;display:inline-block}
  .about-highlights{grid-template-columns:1fr}
  .timeline::before{left:20px}.tl-item,.tl-item:nth-child(even){flex-direction:column;padding-left:44px}
  .tl-year,.tl-item:nth-child(even) .tl-year{text-align:left}
  .tl-dot{position:absolute;left:12px}
  .culture-grid{grid-template-columns:1fr}.honor-grid{grid-template-columns:repeat(2,1fr)}
  .numbers-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr}
  .page-hero h1{font-size:1.8rem}
}