:root{--navy:#143b5d;--blue:#1d527d;--gold:#d9a84e;--cream:#f4f0e6;--ink:#183044;--muted:#6b7c89;--line:#dce4e9;--white:#fff;--red:#aa4646;--green:#20725e;--shadow:0 24px 70px rgba(20,59,93,.13)}
*{box-sizing:border-box}body{margin:0;color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif;background:#f6f8fa}button,input{font:inherit}a{text-decoration:none;color:inherit}button,a{transition:.2s}.registration-layout{min-height:100vh;display:grid;grid-template-columns:minmax(390px,47%) 1fr}.school-intro{position:relative;overflow:hidden;padding:52px clamp(38px,6vw,90px);display:flex;flex-direction:column;justify-content:space-between;color:#fff;background:linear-gradient(145deg,rgba(13,49,78,.98),rgba(28,81,122,.94)),repeating-linear-gradient(45deg,transparent 0 22px,rgba(255,255,255,.04) 23px 24px)}.school-intro:after{content:"学";position:absolute;right:-4vw;bottom:-10vw;font:700 34vw/1 STKaiti,serif;color:rgba(255,255,255,.035)}.brand{position:relative;z-index:1;display:inline-flex;align-items:center;gap:12px;font-weight:800;font-size:20px}.brand-icon{width:43px;height:43px;display:grid;place-items:center;border-radius:50%;background:var(--gold);color:var(--navy);font-family:STKaiti,serif;font-size:23px}.brand.dark{color:var(--ink)}.intro-content{position:relative;z-index:1;max-width:630px}.eyebrow{display:block;margin-bottom:17px;color:var(--gold);font-size:12px;font-weight:800;letter-spacing:.2em}.intro-content h1{margin:0 0 28px;font:600 clamp(44px,5vw,72px)/1.22 STSong,"Songti SC",serif}.intro-content h1 em{font-style:normal;color:#f1cf91}.intro-content p{max-width:540px;margin:0 0 38px;color:rgba(255,255,255,.75);font-size:17px;line-height:1.9}.feature-row{display:flex;gap:10px}.feature-row span{padding:10px 13px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);font-size:12px}.feature-row b{color:#f1cf91;margin-right:5px}.intro-footer{position:relative;z-index:1;margin:0;color:rgba(255,255,255,.48);font-size:12px;letter-spacing:.1em}.form-section{display:grid;place-items:center;padding:55px clamp(28px,7vw,110px)}.form-card{width:min(100%,620px)}.form-title{display:flex;align-items:center;gap:18px;margin-bottom:28px;padding-bottom:23px;border-bottom:1px solid var(--line)}.form-title>span{font:700 28px Georgia,serif;color:var(--gold);writing-mode:vertical-rl;letter-spacing:.08em}.form-title h2{margin:0 0 6px;font:600 30px STSong,"Songti SC",serif}.form-title p{margin:0;color:var(--muted);font-size:13px}.registration-form{display:grid;grid-template-columns:1fr 1fr;gap:21px 18px}.registration-form label,.login-form label{display:grid;gap:9px}.registration-form label>span,.login-form label>span{font-size:14px;font-weight:700}.registration-form b{color:#d06d48}input{width:100%;padding:14px 15px;border:1px solid var(--line);border-radius:4px;background:#fff;color:var(--ink);outline:none}input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(29,82,125,.1)}.agreement{grid-column:1/-1!important;display:flex!important;align-items:flex-start;gap:9px;color:var(--muted)}.agreement input{width:16px;height:16px;margin-top:2px;accent-color:var(--navy)}.agreement span{font-size:12px!important;font-weight:400!important}.registration-form>button,.login-form>button,.primary-link{grid-column:1/-1;display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border:0;border-radius:4px;background:var(--navy);color:#fff;font-weight:800;cursor:pointer}.registration-form>button:hover,.login-form>button:hover,.primary-link:hover{background:#0c2a43;transform:translateY(-1px)}button i{font-style:normal;font-size:20px}.safe-note{text-align:center;color:#8b98a1;font-size:12px;margin-top:20px}.honeypot{position:absolute;left:-9999px}.alert{margin:0 0 18px;padding:12px 15px;border-radius:5px;font-size:14px}.alert.error{color:#963c3a;background:#fff0ee;border:1px solid #efcfcc}.alert.success{color:var(--green);background:#eaf6f2;border:1px solid #c9e6dc}.center-page{min-height:100vh;display:grid;place-items:center;padding:24px;background:linear-gradient(145deg,#e7eef3,#f8f3e6)}.message-card,.login-card{width:min(100%,500px);padding:50px;background:#fff;border-radius:8px;box-shadow:var(--shadow);text-align:center}.check{width:72px;height:72px;margin:0 auto 25px;display:grid;place-items:center;border-radius:50%;background:#e7f3ef;color:var(--green);font-size:36px}.message-card h1,.login-card h1{margin:0 0 14px;font:600 34px STSong,"Songti SC",serif}.message-card p,.login-card>p{margin:0 0 28px;color:var(--muted);line-height:1.8}.primary-link{justify-content:center}.login-card .brand{justify-content:center;margin-bottom:34px}.login-form{display:grid;gap:18px;text-align:left}.login-form button{margin-top:5px}.back-link{display:inline-block;margin-top:23px;color:var(--muted);font-size:13px}.admin-header{height:74px;padding:0 clamp(22px,5vw,70px);display:flex;align-items:center;justify-content:space-between;background:#fff;border-bottom:1px solid var(--line)}.admin-header .brand-icon{width:36px;height:36px;font-size:19px}.logout{border:0;background:transparent;color:var(--muted);cursor:pointer}.logout:hover{color:var(--navy)}.admin-main{max-width:1480px;margin:auto;padding:44px clamp(20px,5vw,70px) 70px}.admin-title{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:30px}.admin-title h1{margin:0 0 9px;font:600 36px STSong,"Songti SC",serif}.admin-title p{margin:0;color:var(--muted)}.export{padding:13px 18px;border-radius:4px;background:var(--navy);color:#fff;font-weight:800;white-space:nowrap}.export span{margin-left:13px}.export:hover{background:#0c2a43}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:15px;margin-bottom:25px}.stat{padding:19px 21px;display:flex;align-items:center;justify-content:space-between;background:#fff;border:1px solid var(--line);border-radius:6px}.stat span{color:var(--muted);font-size:14px}.stat strong{font-size:30px}.stat:hover,.stat.active{border-color:var(--blue);box-shadow:0 7px 22px rgba(20,59,93,.08)}.stat.pending strong{color:#bc7925}.stat.approved strong{color:var(--green)}.stat.rejected strong{color:var(--red)}.records{overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:7px}.record-tools{padding:20px 22px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.record-tools h2{margin:0;font-size:18px}.record-tools small{padding:3px 8px;border-radius:15px;background:#eef2f5;color:var(--muted)}.search{display:flex;gap:8px}.search input{width:260px;padding:9px 12px}.search button{padding:0 16px;border:1px solid var(--line);border-radius:4px;background:#f5f7f8;cursor:pointer}.table-scroll{overflow:auto}table{width:100%;min-width:1100px;border-collapse:collapse}th,td{padding:15px 18px;text-align:left;border-bottom:1px solid #edf1f3;font-size:13px}th{background:#fafbfc;color:var(--muted);font-size:12px;white-space:nowrap}td strong,td small{display:block}td small{color:#96a2aa}.badge{display:inline-block;padding:5px 9px;border-radius:18px;font-size:12px}.badge.pending{background:#fff2dc;color:#95601d}.badge.approved{background:#e5f3ee;color:#176652}.badge.rejected{background:#fdeceb;color:#9b3d3b}.review-form{display:flex;gap:6px}.review-form button{padding:6px 9px;border:0;border-radius:3px;font-size:12px;cursor:pointer}.approve{background:#e3f2ed;color:#176652}.reject{background:#fdeceb;color:#963c3a}.reset{background:#edf1f3;color:#61727d}.empty{padding:70px;text-align:center;color:var(--muted)}.empty b{color:var(--ink)}.empty p{margin:8px 0 0}
@media(max-width:900px){.registration-layout{grid-template-columns:1fr}.school-intro{min-height:430px;padding:34px 28px}.intro-content h1{font-size:44px}.intro-footer{margin-top:34px}.form-section{padding:45px 24px 60px}.stats{grid-template-columns:1fr 1fr}.admin-title{align-items:flex-start}}@media(max-width:580px){.school-intro{min-height:415px}.intro-content p{font-size:14px}.feature-row{gap:6px}.feature-row span{padding:8px 6px}.registration-form{grid-template-columns:1fr}.agreement,.registration-form>button{grid-column:1!important}.message-card,.login-card{padding:38px 24px}.admin-title{display:grid}.stat{display:grid;gap:6px;padding:14px}.stat strong{font-size:24px}.record-tools{display:grid;gap:14px}.search input{width:100%}}

/* 性别、年龄字段与名单导入控件 */
select{font:inherit;width:100%;padding:14px 15px;border:1px solid var(--line);border-radius:4px;background:#fff;color:var(--ink);outline:none}
select:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(29,82,125,.1)}
.admin-actions{display:flex;align-items:flex-start;gap:10px}
.import-form{display:grid;grid-template-columns:220px auto;gap:6px 8px}
.import-form input[type=file]{padding:9px;background:#fff;font-size:12px}
.import-form button{border:0;border-radius:4px;padding:0 14px;background:#dce8f1;color:var(--navy);font-weight:800;cursor:pointer}
.import-form small{grid-column:1/-1;color:var(--muted);font-size:10px}
@media(max-width:900px){.admin-actions{display:grid}.import-form{grid-template-columns:minmax(180px,1fr) auto}}