/*foot*/
.container-cta, .container-foot{max-width: 1280px;width:min(var(--max),calc(100% - 40px));margin:0 auto;position: relative;}
.btn-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px;}
.btn-row a,.container-foot a{text-decoration: none;}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 22px;border-radius:999px;font-size:15px;font-weight:900;}
.btn-primary{background:#f28c28;color:#111827}
.btn-secondary{background:#fff;color:#000;border:1px solid var(--border)}
.cta{background:linear-gradient(90deg,#0b1f33,#143c63);color:#fff;text-align:center;padding:78px 0;position: relative;width: 100%;box-sizing: border-box;overflow: hidden;}
.cta-bj{position: absolute;top: 0;left: 0;width: 100%;height: 100%;background: url('/assets/images/back-foot.jpg')center/cover no-repeat;filter: brightness(0.9);}
.cta h2{color:#fff;font-size: 3rem;}
.cta p{color:#dbeafe;max-width:760px;margin:16px auto 0;font-size:18px;}
.footer{background:#050505;color:#fff;padding:54px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.2fr repeat(4,1fr);gap:30px;}
.footer h4{color:#fff;margin-bottom:12px}
.footer p,.footer a{display:block;color:#cbd5e1;font-size:14px;margin:7px 0;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:34px;padding-top:18px;color:#94a3b8;font-size:13px;}
.logo{display:flex;align-items:center;gap:11px;font-weight:900;letter-spacing:.01em;}
.logo-mark{width:46px;height:42px;border:2px solid #fff;display:grid;place-items:center;font-size:22px;font-weight:900;}
.logo small{display:block;color:#b8d8ff;font-size:11px;margin-top:2px;}
/* 统一国旗尺寸 */
.flag {
  display: inline-block;
  width: 1.25em;
  height: 16px;
  vertical-align: middle;
  margin-right: 4px;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}
/* 中国国旗 */
.flag-cn {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 20'%3E%3Crect width='30' height='20' fill='%23DE2910'/%3E%3Cg fill='%23FFFF00' transform='translate(5,5)'%3E%3Cpolygon points='0,0 0.6,1.8 2.4,1.8 1,2.8 1.4,4.6 0,3.6 -1.4,4.6 -1,2.8 -2.4,1.8 -0.6,1.8'/%3E%3Cpolygon transform='translate(6,0) scale(0.33) rotate(0)' points='0,0 0.6,1.8 2.4,1.8 1,2.8 1.4,4.6 0,3.6 -1.4,4.6 -1,2.8 -2.4,1.8 -0.6,1.8'/%3E%3Cpolygon transform='translate(7,2) scale(0.33) rotate(0)' points='0,0 0.6,1.8 2.4,1.8 1,2.8 1.4,4.6 0,3.6 -1.4,4.6 -1,2.8 -2.4,1.8 -0.6,1.8'/%3E%3Cpolygon transform='translate(7,4) scale(0.33) rotate(0)' points='0,0 0.6,1.8 2.4,1.8 1,2.8 1.4,4.6 0,3.6 -1.4,4.6 -1,2.8 -2.4,1.8 -0.6,1.8'/%3E%3Cpolygon transform='translate(6,6) scale(0.33) rotate(0)' points='0,0 0.6,1.8 2.4,1.8 1,2.8 1.4,4.6 0,3.6 -1.4,4.6 -1,2.8 -2.4,1.8 -0.6,1.8'/%3E%3C/g%3E%3C/svg%3E");
}
/* 美国国旗 */
.flag-en {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'%3E%3Crect fill='%23f0f0f0' y='123.3' width='512' height='303.4'/%3E%3Cg%3E%3Crect fill='%23d80027' y='161.3' width='512' height='37.9'/%3E%3Crect fill='%23d80027' y='237' width='512' height='37.9'/%3E%3Crect fill='%23d80027' y='313' width='512' height='37.9'/%3E%3Crect fill='%23d80027' y='388.7' width='512' height='37.9'/%3E%3C/g%3E%3Cg%3E%3Crect fill='%23d80027' y='85.4' width='512' height='37.9'/%3E%3Crect fill='%23d80027' y='161.3' width='512' height='37.9'/%3E%3Crect fill='%23d80027' y='237' width='512' height='37.9'/%3E%3Crect fill='%23d80027' y='313' width='512' height='37.9'/%3E%3C/g%3E%3Crect fill='%232e52b2' y='85.4' width='256' height='183.8'/%3E%3Cg fill='%23f0f0f0'%3E%3Cpolygon points='99.8 160.7 95.7 173.4 82.4 173.4 93.2 181.2 89 193.9 99.8 186 110.6 193.9 106.5 181.2 117.3 173.4 103.9 173.4 99.8 160.7'/%3E%3Cpolygon points='103.9 219 99.8 206.5 95.7 219 82.4 219 93.2 227 89 239.7 99.8 231.7 110.6 239.7 106.5 227 117.3 219 103.9 219'/%3E%3Cpolygon points='47.6 219 43.5 206.5 39.3 219 26 219 36.8 227 32.7 239.7 43.5 231.7 54.2 239.7 50.1 227 60.9 219 47.6 219'/%3E%3Cpolygon points='43.5 160.7 39.3 173.4 26 173.4 36.8 181.2 32.7 193.9 43.5 186 54.2 193.9 50.1 181.2 60.9 173.4 47.6 173.4 43.5 160.7'/%3E%3Cpolygon points='99.8 114.9 95.7 127.6 82.4 127.6 93.2 135.4 89 148.1 99.8 140.3 110.6 148.1 106.5 135.4 117.3 127.6 103.9 127.6 99.8 114.9'/%3E%3Cpolygon points='43.5 114.9 39.3 127.6 26 127.6 36.8 135.4 32.7 148.1 43.5 140.3 54.2 148.1 50.1 135.4 60.9 127.6 47.6 127.6 43.5 114.9'/%3E%3Cpolygon points='156.2 160.7 152.1 173.4 138.7 173.4 149.5 181.2 145.4 193.9 156.2 186 167 193.9 162.8 181.2 173.6 173.4 160.3 173.4 156.2 160.7'/%3E%3Cpolygon points='160.3 219 156.2 206.5 152.1 219 138.7 219 149.5 227 145.4 239.7 156.2 231.7 167 239.7 162.8 227 173.6 219 160.3 219'/%3E%3Cpolygon points='216.7 219 212.5 206.5 208.4 219 195.1 219 205.9 227 201.8 239.7 212.5 231.7 223.3 239.7 219.2 227 230 219 216.7 219'/%3E%3Cpolygon points='212.5 160.7 208.4 173.4 195.1 173.4 205.9 181.2 201.8 193.9 212.5 186 223.3 193.9 219.2 181.2 230 173.4 216.7 173.4 212.5 160.7'/%3E%3Cpolygon points='156.2 114.9 152.1 127.6 138.7 127.6 149.5 135.4 145.4 148.1 156.2 140.3 167 148.1 162.8 135.4 173.6 127.6 160.3 127.6 156.2 114.9'/%3E%3Cpolygon points='212.5 114.9 208.4 127.6 195.1 127.6 205.9 135.4 201.8 148.1 212.5 140.3 223.3 148.1 219.2 135.4 230 127.6 216.7 127.6 212.5 114.9'/%3E%3C/g%3E%3C/svg%3E");
}
/* 德国国旗 */
.flag-de {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'%3E%3Crect fill='%23D80027' y='85.331' width='512' height='341.337'/%3E%3Crect y='85.331' width='512' height='113.775'/%3E%3Crect fill='%23FFDA44' y='312.882' width='512' height='113.775'/%3E%3C/svg%3E");
}
/* 法国国旗 */
.flag-fr {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'%3E%3Crect fill='%23F0F0F0' y='85.331' width='512' height='341.337'/%3E%3Crect fill='%230052B4' y='85.331' width='170.663' height='341.337'/%3E%3Crect fill='%23D80027' x='341.337' y='85.331' width='170.663' height='341.337'/%3E%3C/svg%3E");
}
/* 荷兰国旗 */
.flag-nl {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'%3E%3Crect fill='%23F0F0F0' y='85.331' width='512' height='341.337'/%3E%3Crect y='85.331' width='512' height='113.775'/%3E%3Crect fill='%230052B4' y='312.882' width='512' height='113.775'/%3E%3C/svg%3E");
}
@media(max-width:900px){
  .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:640px){
.container-cta .container-foot{width:min(var(--max),calc(100% - 28px))}
.cta{padding:60px 0}
.footer-grid{grid-template-columns:1fr}
.cta h2{font-size: 1.5rem;}
}