*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;background-color:#F6F9FE;color:#333;line-height:1.4;max-width:750px;margin:0 auto;padding-bottom:80px;position:relative;box-shadow:0 0 30px rgba(0,0,0,0.05)}
html{scroll-behavior:smooth;}
a{text-decoration:none;color:inherit}
ul{list-style:none}
.flex-between{display:flex;justify-content:space-between;align-items:center}
.flex-center{display:flex;justify-content:center;align-items:center}
.card{background:#FFFFFF;border-radius:16px;padding:20px;margin-bottom:20px;box-shadow:0 4px 12px rgba(0,68,204,0.02);transition:transform 0.3s ease,box-shadow 0.3s ease}

.nav-header{position:sticky;top:0;background:#FFF;z-index:100;border-bottom:1px solid #f2f3f5}
.top-bar{display:flex;align-items:center;justify-content:center;height:50px;position:relative;font-size:18px;background:#2255e2;color:#fff}
.back-btn{position:absolute;left:15px;top:-4px;font-size:35px;color:#fff}
.tabs-scroller{display:flex;overflow-x:auto;padding:0 16px;height:45px;align-items:center;gap:24px;}
.tabs-scroller::-webkit-scrollbar{display:none}
.tab-item{font-size:14px;color:#86909c;white-space:nowrap;position:relative;height:100%;display:flex;align-items:center}
.tab-item.active{color:#2255e2;font-weight:600}
.tab-item.active::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:16px;height:3px;background:#2255e2;border-radius:2px}
.school-data-footer{padding:2px 0 12px;border-bottom:1px dashed #E5E6EB;display:flex;justify-content:space-between;align-items:center}
.school-data-footer .footer-metrics{display:flex;gap:16px;font-size:13px;color:#4E5969}
.school-data-footer .footer-metrics span strong{color:#0052D9;font-weight:600}

.footer{font-size:11px;color:#86909c;text-align:center;padding:0px 20px 15px;line-height:1.8}

.bottom-nav{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:100%;max-width:750px;background:#FFFFFF;border-top:1px solid #EAEAEA;display:flex;justify-content:space-around;padding:10px 0;box-shadow:0 -4px 14px rgba(0,0,0,0.03);z-index:999}
.bottom-nav-item{text-align:center;font-size:13px;color:#666666;display:flex;flex-direction:column;align-items:center;cursor:pointer;flex:1;transition:color 0.2s ease,transform 0.1s ease}
.bottom-nav-item svg{width:26px;height:26px;margin-bottom:4px;transition:transform 0.2s ease}
.bottom-nav-item.active,.nav-item:hover,.bottom-nav-item a:hover,.bottom-nav-item:hover{color:#2255e2;font-weight:bold}
.bottom-nav-item:hover svg{transform:translateY(-2px);color:#2255e2;font-weight:bold}
.bottom-nav-item:active{transform:scale(0.92)}