# ---- 百度地图代理：全部强制走 IPv4 ----
    # 客户端网络 IPv6 不通，而百度各域名的 DNS 优先返回 AAAA(IPv6)，
    # 浏览器优先连 IPv6 立即失败，导致 SDK/瓦片/接口全部加载不出来。
    # 这里由服务器用固定 IPv4 回源，客户端只访问 9023。

    # SDK 与接口（geocoder 搜索、worker 脚本等）
    location /bmap-api/ {
        proxy_pass https://36.144.42.203/;
        proxy_set_header Host api.map.baidu.com;
        proxy_set_header Referer "http://localhost/";
        proxy_set_header Origin "http://localhost";
        proxy_ssl_server_name on;
        proxy_ssl_verify off;
        proxy_connect_timeout 10s;
        proxy_read_timeout 60s;
        proxy_buffering off;
    }

    # 地图瓦片（apimaponline0-3 同一 IP，Host 必须区分）
    location /bmap-tile0/ {
        proxy_pass https://111.132.36.38/;
        proxy_set_header Host apimaponline0.bdimg.com;
        proxy_set_header Referer $http_referer;
        proxy_set_header Origin $http_origin;
        proxy_ssl_server_name on;
        proxy_ssl_verify off;
        proxy_read_timeout 60s;
    }
    location /bmap-tile1/ {
        proxy_pass https://111.132.36.38/;
        proxy_set_header Host apimaponline1.bdimg.com;
        proxy_set_header Referer $http_referer;
        proxy_set_header Origin $http_origin;
        proxy_ssl_server_name on;
        proxy_ssl_verify off;
        proxy_read_timeout 60s;
    }
    location /bmap-tile2/ {
        proxy_pass https://111.132.36.38/;
        proxy_set_header Host apimaponline2.bdimg.com;
        proxy_set_header Referer $http_referer;
        proxy_set_header Origin $http_origin;
        proxy_ssl_server_name on;
        proxy_ssl_verify off;
        proxy_read_timeout 60s;
    }
    location /bmap-tile3/ {
        proxy_pass https://111.132.36.38/;
        proxy_set_header Host apimaponline3.bdimg.com;
        proxy_set_header Referer $http_referer;
        proxy_set_header Origin $http_origin;
        proxy_ssl_server_name on;
        proxy_ssl_verify off;
        proxy_read_timeout 60s;
    }

    # 静态资源（图标、样式、雪碧图）
    location /bmap-sv0/ {
        proxy_pass https://111.132.36.38/;
        proxy_set_header Host apisv0.bdimg.com;
        proxy_set_header Referer $http_referer;
        proxy_set_header Origin $http_origin;
        proxy_ssl_server_name on;
        proxy_ssl_verify off;
        proxy_read_timeout 60s;
    }
    location /bmap-sv1/ {
        proxy_pass https://111.132.36.38/;
        proxy_set_header Host apisv1.bdimg.com;
        proxy_set_header Referer $http_referer;
        proxy_set_header Origin $http_origin;
        proxy_ssl_server_name on;
        proxy_ssl_verify off;
        proxy_read_timeout 60s;
    }
    location /bmap-webmap/ {
        proxy_pass https://183.204.201.38/;
        proxy_set_header Host maponline0.bdimg.com;
        proxy_set_header Referer $http_referer;
        proxy_set_header Origin $http_origin;
        proxy_ssl_server_name on;
        proxy_ssl_verify off;
        proxy_read_timeout 60s;
    }

    # map.baidu.com
    location /bmap-map/ {
        proxy_pass https://112.34.112.45/;
        proxy_set_header Host map.baidu.com;
        proxy_set_header Referer $http_referer;
        proxy_set_header Origin $http_origin;
        proxy_ssl_server_name on;
        proxy_ssl_verify off;
        proxy_read_timeout 60s;
    }

    # 改写后的百度地图 SDK（域名已全部指向本站代理）
    location = /bmap-sdk.js {
        root /data/vue/mom/zyjc/dist;
        add_header Cache-Control "no-cache";
        default_type application/javascript;
    }