/* ============================================================
   关于我们 GEO页面专属样式 — th- 前缀，不与原站 style.css 冲突
   部署路径: /skin/css/about-geo.css
   ============================================================ */
:root{
  --th-primary:#0f6ab4;--th-primary-dark:#0a4d80;--th-primary-light:#e8f4fc;
  --th-accent:#00c6ff;--th-text:#1a1a2e;--th-text-secondary:#555;--th-text-light:#888;
  --th-bg:#f7f9fc;--th-white:#fff;--th-border:#eef0f4;
  --th-shadow:0 4px 24px rgba(15,106,180,0.08);
  --th-shadow-hover:0 12px 40px rgba(15,106,180,0.15);
  --th-radius:16px;--th-radius-sm:10px;
  --th-transition:all .4s cubic-bezier(0.4,0,0.2,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Microsoft YaHei","微软雅黑",-apple-system,BlinkMacSystemFont,sans-serif}
.th-container{width:75%;max-width:1200px;margin:0 auto;position:relative}
@media screen and (max-width:1024px){.th-container{width:92%}}

/* Hero */
.th-hero{position:relative;min-height:480px;display:flex;align-items:center;overflow:hidden;
  background:linear-gradient(135deg,#0a1628 0%,#0f6ab4 50%,#0a4d80 100%);color:#fff;padding:120px 0 60px}
.th-hero::before{content:'';position:absolute;top:0;left:0;width:100%;height:100%;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:40px 40px}
.th-hero::after{content:'';position:absolute;bottom:-100px;right:-100px;width:500px;height:500px;border-radius:50%;
  background:radial-gradient(circle,rgba(0,198,255,.15) 0%,transparent 70%)}
.th-hero .th-container{position:relative;z-index:2}
.th-hero-tag{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border:1px solid rgba(255,255,255,.25);
  border-radius:30px;font-size:13px;color:rgba(255,255,255,.8);margin-bottom:24px;backdrop-filter:blur(8px)}
.th-hero-tag::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--th-accent);box-shadow:0 0 8px var(--th-accent)}
.th-hero h1{font-size:42px;font-weight:700;line-height:1.3;margin-bottom:20px;letter-spacing:1px}
.th-hero h1 span{color:var(--th-accent)}
.th-hero-desc{font-size:18px;line-height:1.8;color:rgba(255,255,255,.75);max-width:640px;margin-bottom:32px}
.th-hero-meta{display:flex;flex-wrap:wrap;gap:32px}
.th-hero-meta-item{display:flex;align-items:center;gap:10px}
.th-hero-meta-item .num{font-size:32px;font-weight:700;color:var(--th-accent)}
.th-hero-meta-item .label{font-size:14px;color:rgba(255,255,255,.6)}

/* Breadcrumb inside hero */
.th-hero-breadcrumb.th-hero-breadcrumb{position:relative;z-index:2;margin-bottom:28px}
.th-hero-breadcrumb.th-hero-breadcrumb ol{display:flex;align-items:center;gap:10px;font-size:13px;color:rgba(255,255,255,.55);list-style:none;padding:0;margin:0;flex-wrap:wrap}
.th-hero-breadcrumb.th-hero-breadcrumb ol li{list-style:none;padding:0;margin:0}
.th-hero-breadcrumb.th-hero-breadcrumb ol li a{color:rgba(255,255,255,.7);transition:color .3s}
.th-hero-breadcrumb.th-hero-breadcrumb ol li a:hover{color:#fff}
.th-hero-breadcrumb.th-hero-breadcrumb ol li:not(:last-child)::after{content:'/';margin-left:10px;color:rgba(255,255,255,.3)}
.th-hero-breadcrumb.th-hero-breadcrumb ol li:last-child{color:rgba(255,255,255,.9)}

/* Section */
.th-section{padding:80px 0}
.th-section-header{text-align:center;margin-bottom:50px}
.th-section-header .th-eyebrow{display:inline-block;font-size:14px;color:var(--th-primary);font-weight:600;letter-spacing:2px;text-transform:uppercase;margin-bottom:12px}
.th-section-header h2{font-size:32px;font-weight:700;color:var(--th-text);margin-bottom:16px}
.th-section-header p{font-size:16px;color:var(--th-text-secondary);max-width:640px;margin:0 auto}
@media screen and (max-width:768px){.th-section{padding:50px 0}.th-section-header h2{font-size:24px}.th-section-header p{font-size:14px}.th-hero h1{font-size:28px}.th-hero-desc{font-size:15px}}

/* About Intro */
.th-about-intro{background:var(--th-white)}
.th-about-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
@media screen and (max-width:768px){.th-about-grid{grid-template-columns:1fr;gap:30px}}
.th-about-text h2{font-size:28px;font-weight:700;margin-bottom:20px;line-height:1.4}
.th-about-text h2 span{color:var(--th-primary)}
.th-about-text .th-about-desc{font-size:16px;line-height:1.9;color:var(--th-text-secondary);margin-bottom:20px}
.th-about-text .th-about-desc p{margin-bottom:14px}
.th-about-highlights{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:28px}
.th-about-highlights .th-hl-item{display:flex;align-items:center;gap:12px;padding:14px 16px;background:var(--th-primary-light);border-radius:var(--th-radius-sm)}
.th-about-highlights .th-hl-item .th-hl-icon{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;background:linear-gradient(135deg,var(--th-primary),var(--th-primary-dark));color:#fff;font-size:18px}
.th-about-highlights .th-hl-item .th-hl-text{font-size:14px;font-weight:600;color:var(--th-text)}
.th-about-visual{position:relative}
.th-about-visual .th-visual-card{border-radius:var(--th-radius);overflow:hidden;box-shadow:var(--th-shadow);position:relative}
.th-about-visual .th-visual-card img{width:100%;height:400px;object-fit:cover}
.th-about-visual .th-visual-badge{position:absolute;bottom:-20px;left:-20px;background:var(--th-white);border-radius:var(--th-radius);padding:20px 28px;box-shadow:var(--th-shadow-hover);display:flex;align-items:center;gap:16px}
.th-about-visual .th-visual-badge .th-badge-num{font-size:36px;font-weight:700;color:var(--th-primary);line-height:1}
.th-about-visual .th-visual-badge .th-badge-text{font-size:14px;color:var(--th-text-secondary)}
.th-about-visual .th-visual-badge .th-badge-text strong{display:block;font-size:16px;color:var(--th-text)}

/* Business */
.th-business{background:var(--th-bg)}
.th-business-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media screen and (max-width:768px){.th-business-grid{grid-template-columns:1fr}}
.th-business-card{background:var(--th-white);border-radius:var(--th-radius);padding:36px 30px;box-shadow:var(--th-shadow);transition:var(--th-transition);position:relative;overflow:hidden;border:1px solid transparent}
.th-business-card::before{content:'';position:absolute;top:0;left:0;width:100%;height:4px;background:linear-gradient(90deg,var(--th-primary),var(--th-accent));transform:scaleX(0);transform-origin:left;transition:transform .4s ease}
.th-business-card:hover{transform:translateY(-6px);box-shadow:var(--th-shadow-hover);border-color:var(--th-primary)}
.th-business-card:hover::before{transform:scaleX(1)}
.th-business-card .th-biz-icon{width:60px;height:60px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--th-primary-light),#d1e9f9);color:var(--th-primary);font-size:28px;margin-bottom:24px}
.th-business-card h3{font-size:20px;font-weight:700;margin-bottom:12px;color:var(--th-text)}
.th-business-card .th-biz-desc{font-size:14px;line-height:1.8;color:var(--th-text-secondary);margin-bottom:20px}
.th-business-card .th-biz-features{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.th-business-card .th-biz-features span{font-size:12px;padding:4px 12px;background:var(--th-primary-light);color:var(--th-primary);border-radius:20px;font-weight:500}
.th-business-card .th-biz-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--th-primary)}
.th-business-card .th-biz-link:hover{gap:10px}

/* Timeline */
.th-timeline{background:var(--th-white)}
.th-timeline-wrap{position:relative;max-width:900px;margin:0 auto}
.th-timeline-wrap::before{content:'';position:absolute;left:50%;top:0;bottom:0;width:2px;background:linear-gradient(var(--th-primary),var(--th-accent));transform:translateX(-50%)}
.th-timeline-item{display:flex;align-items:flex-start;margin-bottom:40px;position:relative}
.th-timeline-item:nth-child(odd){flex-direction:row-reverse}
.th-timeline-item .th-tl-dot{width:16px;height:16px;border-radius:50%;background:var(--th-white);border:3px solid var(--th-primary);position:absolute;left:50%;transform:translateX(-50%);z-index:2;top:8px;box-shadow:0 0 0 4px rgba(15,106,180,.15)}
.th-timeline-item .th-tl-content{width:calc(50% - 40px);background:var(--th-white);border:1px solid var(--th-border);border-radius:var(--th-radius-sm);padding:24px;box-shadow:var(--th-shadow);transition:var(--th-transition);box-sizing:border-box}
.th-timeline-item .th-tl-content:hover{box-shadow:var(--th-shadow-hover);border-color:var(--th-primary)}
.th-timeline-item .th-tl-year{font-size:24px;font-weight:700;color:var(--th-primary);margin-bottom:8px}
.th-timeline-item .th-tl-title{font-size:16px;font-weight:600;margin-bottom:8px;color:var(--th-text)}
.th-timeline-item .th-tl-desc{font-size:14px;line-height:1.7;color:var(--th-text-secondary)}

@media screen and (max-width:768px){
  .th-timeline-wrap{max-width:100%}
  .th-timeline-wrap::before{left:24px;transform:none}
  .th-timeline-item,.th-timeline-item:nth-child(odd){flex-direction:row;justify-content:flex-start}
  .th-timeline-item .th-tl-dot{left:24px;transform:translateX(-50%);top:14px;width:14px;height:14px;border-width:3px}
  .th-timeline-item .th-tl-content,
  .th-timeline-item:nth-child(odd) .th-tl-content{width:calc(100% - 64px);margin-left:56px;margin-right:0;padding:20px}
  .th-timeline-item .th-tl-year{font-size:22px}
  .th-timeline-item .th-tl-title{font-size:15px}
}

/* Culture */
.th-culture{background:linear-gradient(180deg,var(--th-bg) 0%,var(--th-white) 100%)}
.th-culture-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
@media screen and (max-width:1024px){.th-culture-grid{grid-template-columns:repeat(3,1fr)}}
@media screen and (max-width:768px){.th-culture-grid{grid-template-columns:repeat(2,1fr)}}
.th-culture-card{text-align:center;padding:36px 16px;border-radius:var(--th-radius);background:var(--th-white);border:1px solid var(--th-border);transition:var(--th-transition);position:relative;overflow:hidden}
.th-culture-card::after{content:'';position:absolute;bottom:0;left:0;width:100%;height:0;background:linear-gradient(180deg,transparent,var(--th-primary-light));transition:height .4s ease}
.th-culture-card:hover{transform:translateY(-6px);border-color:var(--th-primary);box-shadow:var(--th-shadow-hover)}
.th-culture-card:hover::after{height:100%}
.th-culture-card .th-cul-icon{width:56px;height:56px;margin:0 auto 20px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--th-primary),var(--th-primary-dark));color:#fff;font-size:24px;position:relative;z-index:2}
.th-culture-card h3{font-size:18px;font-weight:700;margin-bottom:8px;position:relative;z-index:2}
.th-culture-card .th-cul-en{font-size:11px;color:var(--th-text-light);text-transform:uppercase;letter-spacing:1px;position:relative;z-index:2}
.th-culture-card .th-cul-desc{font-size:13px;color:var(--th-text-secondary);margin-top:12px;position:relative;z-index:2}

/* Stats */
.th-stats{background:var(--th-primary);padding:50px 0;color:#fff}
.th-stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
@media screen and (max-width:768px){.th-stats-grid{grid-template-columns:repeat(2,1fr);gap:30px}}
.th-stat-item .th-stat-num{font-size:42px;font-weight:700;color:#fff;line-height:1}
.th-stat-item .th-stat-num .th-stat-suffix{font-size:20px;color:var(--th-accent)}
.th-stat-item .th-stat-label{font-size:15px;color:rgba(255,255,255,.7);margin-top:10px}

/* FAQ */
.th-faq{background:var(--th-white)}
.th-faq-wrap{max-width:800px;margin:0 auto}
.th-faq-item{border:1px solid var(--th-border);border-radius:var(--th-radius-sm);margin-bottom:16px;overflow:hidden;transition:var(--th-transition);background:var(--th-white)}
.th-faq-item:hover{border-color:var(--th-primary);box-shadow:var(--th-shadow)}
.th-faq-item .th-faq-q{padding:20px 24px;font-size:16px;font-weight:600;color:var(--th-text);cursor:pointer;display:flex;align-items:center;justify-content:space-between;user-select:none}
.th-faq-item .th-faq-q .th-faq-icon{width:28px;height:28px;border-radius:50%;background:var(--th-primary-light);display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--th-primary);font-size:16px;transition:var(--th-transition)}
.th-faq-item.active .th-faq-icon{transform:rotate(45deg);background:var(--th-primary);color:#fff}
.th-faq-item .th-faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease;padding:0 24px}
.th-faq-item.active .th-faq-a{max-height:300px;padding:0 24px 20px}
.th-faq-item .th-faq-a p{font-size:15px;line-height:1.8;color:var(--th-text-secondary)}

/* CTA */
.th-cta{background:linear-gradient(135deg,#0a1628 0%,#0f6ab4 100%);padding:60px 0;text-align:center;color:#fff;position:relative;overflow:hidden}
.th-cta::before{content:'';position:absolute;top:0;left:0;width:100%;height:100%;background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);background-size:30px 30px}
.th-cta .th-container{position:relative;z-index:2}
.th-cta h2{font-size:28px;font-weight:700;margin-bottom:16px}
.th-cta p{font-size:16px;color:rgba(255,255,255,.7);margin-bottom:32px}
.th-cta-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.th-cta-btns a{padding:14px 36px;border-radius:30px;font-size:15px;font-weight:600;transition:var(--th-transition);display:inline-flex;align-items:center;gap:8px}
.th-cta-btns .th-btn-primary{background:var(--th-accent);color:#fff}
.th-cta-btns .th-btn-primary:hover{background:#fff;color:var(--th-primary);transform:translateY(-2px)}
.th-cta-btns .th-btn-outline{border:1px solid rgba(255,255,255,.3);color:#fff}
.th-cta-btns .th-btn-outline:hover{border-color:#fff;background:rgba(255,255,255,.1)}

/* Animation */
@keyframes thFadeUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
.th-animate{opacity:0}
.th-animate.th-in{animation:thFadeUp .6s ease forwards}

/* Back to top */
.th-backtop{position:fixed;bottom:30px;right:30px;width:44px;height:44px;border-radius:50%;background:var(--th-primary);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;opacity:0;pointer-events:none;transition:var(--th-transition);z-index:99;box-shadow:0 4px 12px rgba(15,106,180,.3);font-size:18px}
.th-backtop.th-show{opacity:1;pointer-events:auto}
.th-backtop:hover{background:var(--th-primary-dark);transform:translateY(-3px)}