:root{--ink:#232845;--ink-soft:#5A6078;--ink-faint:#8A90A8;--paper:#F3F5FB;--surface:#FFFFFF;--line:#E4E8F3;--primary:#4A4FA5;--primary-soft:#EEF0FB;--accent:#E8A33D;--accent-ink:#B97E1D;--success:#2E9E6B;--success-soft:#E6F6EE;--danger:#D65154;--danger-soft:#FBE9E9;--radius:16px;--radius-sm:10px;--shadow:0 1px 2px rgba(35,40,69,.05),0 8px 24px rgba(35,40,69,.06);--shadow-lg:0 2px 4px rgba(35,40,69,.06),0 16px 40px rgba(35,40,69,.1);--font:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font);color:var(--ink);background:var(--paper);line-height:1.6;min-height:100vh;font-size:15px}button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}input{font-family:inherit;font-size:15px;color:var(--ink)}a{color:var(--primary);text-decoration:none}.topbar{position:sticky;top:0;z-index:30;background:#ffffffdb;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}.topbar-in{max-width:760px;margin:0 auto;padding:12px 20px;display:flex;align-items:center;gap:12px}.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px;min-width:0;flex-wrap:wrap}.lang-switch{margin-left:auto;display:flex;gap:3px;background:var(--paper);padding:3px;border-radius:10px;border:1px solid var(--line)}.lang-switch button{padding:6px 12px;border-radius:8px;font-size:13px;font-weight:600;color:var(--ink-soft);transition:all .15s;min-height:32px}.lang-switch button.active{background:#fff;color:var(--primary);box-shadow:0 1px 3px #2328451a}.student-wrap{max-width:640px;margin:0 auto;padding:24px 20px 64px}.upload-title{display:flex;align-items:baseline;flex-wrap:wrap;gap:6px;font-size:14px;color:var(--ink-soft);margin:2px 0 10px;line-height:1.5}.upload-title .ut-label{font-weight:600;flex:none}.upload-title .ut-name{font-weight:700;color:var(--ink);font-size:15px}.info-panel{display:flex;flex-wrap:wrap;gap:6px 16px;align-items:baseline;background:var(--primary-soft);border:1px solid var(--line);border-radius:var(--radius-sm);padding:10px 14px;margin:0 0 14px;font-size:12.5px;color:var(--ink-soft)}.info-panel .ip-item b{color:var(--ink);font-weight:600}.info-panel .ip-note{flex-basis:100%;white-space:pre-wrap;line-height:1.6}.verify-steps{margin:12px 0 20px;display:flex;align-items:center}.vstep{display:flex;align-items:center;gap:7px;font-size:13px;font-weight:600;color:var(--ink-faint);white-space:nowrap}.vstep .num{width:22px;height:22px;border-radius:50%;background:var(--line);display:grid;place-items:center;font-size:12px;color:var(--ink-soft)}.vstep.done{color:var(--primary)}.vstep.done .num{background:var(--success);color:#fff}.vline{flex:1;height:2px;background:var(--line);margin:0 8px;border-radius:2px;min-width:10px}.vline.done{background:var(--success)}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.card-head{padding:18px 22px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:10px}.card-head h3{font-size:16px;font-weight:700;line-height:1.4}.card-head .step{width:26px;height:26px;border-radius:8px;background:var(--primary-soft);color:var(--primary);display:grid;place-items:center;font-size:13px;font-weight:700;flex:none}.card-body{padding:22px}.card-foot{padding:16px 22px;border-top:1px solid var(--line)}.field{margin-bottom:18px}.field label{display:block;font-size:13.5px;font-weight:600;margin-bottom:7px}.field label .req{color:var(--danger)}.control{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:11px;background:#fbfbfe;transition:border-color .15s,box-shadow .15s;outline:none}.control:focus{border-color:var(--primary);box-shadow:0 0 0 3px #4a4fa524;background:#fff}.control:disabled{opacity:.6;background:var(--paper)}.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}.code-row{display:flex;gap:10px}.code-row .control{flex:1}.code-btn{flex:none;padding:11px 16px;border-radius:11px;font-size:14px;font-weight:600;color:var(--primary);background:var(--primary-soft);transition:all .15s;border:1px solid transparent}.code-btn:hover:not(:disabled){border-color:var(--primary)}.code-btn:disabled{opacity:.55;cursor:not-allowed}.captcha-row{display:flex;gap:10px;align-items:center}.captcha-row .control{flex:1}.captcha-img{flex:none;height:42px;border-radius:11px;border:1px solid var(--line);background:#fff;cursor:pointer;transition:border-color .15s}.captcha-img:hover{border-color:var(--primary)}.verified-banner{display:flex;align-items:center;gap:10px;background:var(--success-soft);border:1px solid #BFE6D2;border-radius:11px;padding:12px 14px;margin-top:14px;color:var(--success)}.verified-banner .okicon{width:26px;height:26px;border-radius:50%;background:#fff;display:grid;place-items:center;flex:none}.verified-banner .t{font-size:13.5px;font-weight:600}.verified-banner .s{font-size:12px;opacity:.85}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 20px;border-radius:11px;font-size:14.5px;font-weight:600;transition:all .18s;border:1px solid transparent}.btn.primary{background:linear-gradient(135deg,var(--primary),#5F63B8);color:#fff;box-shadow:0 5px 14px #4a4fa547}.btn.primary:hover{filter:brightness(1.05)}.btn.ghost{border-color:var(--line);color:var(--ink-soft);background:#fff}.btn.ghost:hover{border-color:var(--primary);color:var(--primary)}.btn.block{width:100%}.btn:disabled{opacity:.5;cursor:not-allowed;filter:none}.dropzone{border:2px dashed var(--line);border-radius:14px;padding:32px 20px;text-align:center;cursor:pointer;transition:all .18s;background:#fbfbfe}.dropzone:hover,.dropzone.drag{border-color:var(--primary);background:var(--primary-soft)}.dropzone .dz-icon{width:52px;height:52px;border-radius:14px;background:var(--primary-soft);color:var(--primary);display:grid;place-items:center;margin:0 auto 12px}.dropzone p{font-size:14px;font-weight:600;margin-bottom:4px}.dropzone span{font-size:12.5px;color:var(--ink-faint)}.count-hint{display:flex;align-items:center;justify-content:space-between;margin:16px 0 10px;font-size:13px;font-weight:600;color:var(--ink-soft)}.count-hint .cnt b{color:var(--primary);font-size:15px}.count-hint .cnt.good b{color:var(--success)}.file-list{display:grid;gap:8px}.file-item{display:flex;align-items:center;gap:12px;padding:11px 13px;background:#fff;border:1px solid var(--line);border-radius:11px;animation:si .25s ease}@keyframes si{0%{opacity:0;transform:translateY(6px)}to{opacity:1}}.file-item .f-icon{width:38px;height:38px;border-radius:9px;display:grid;place-items:center;flex:none;font-size:11px;font-weight:700;color:#fff}.file-item .f-name{flex:1;min-width:0}.file-item .f-name .n{font-size:13.5px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.file-item .f-name .n a{color:inherit}.file-item .f-name .m{font-size:11.5px;color:var(--ink-faint)}.file-item .f-state{font-size:11.5px;font-weight:600;flex:none;color:var(--success)}.file-item .f-state.uploading{color:var(--primary)}.file-item .f-del{width:30px;height:30px;border-radius:8px;display:grid;place-items:center;color:var(--ink-faint);flex:none;transition:all .15s}.file-item .f-del:hover{background:var(--danger-soft);color:var(--danger)}.empty-upload{text-align:center;color:var(--ink-faint);font-size:13px;padding:8px 0}.section-label{margin:18px 0 10px;font-size:13px;font-weight:600;color:var(--ink-soft)}.error-card{text-align:center;padding:48px 24px}.error-card .eicon{width:60px;height:60px;border-radius:50%;background:var(--danger-soft);color:var(--danger);display:grid;place-items:center;margin:0 auto 16px}.error-card .eicon.warn{background:#fbf0dc;color:var(--accent-ink)}.error-card h3{font-size:17px;margin-bottom:8px}.error-card p{color:var(--ink-soft);font-size:14px;margin-bottom:20px}.loading-card{text-align:center;padding:48px 24px;color:var(--ink-faint)}.toast-wrap{position:fixed;top:20px;left:50%;transform:translate(-50%);z-index:200;display:grid;gap:10px;width:min(420px,92vw);pointer-events:none}.toast{display:flex;align-items:flex-start;gap:10px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow-lg);padding:13px 16px;font-size:14px;font-weight:500;animation:ti .3s ease;pointer-events:auto}@keyframes ti{0%{opacity:0;transform:translateY(-12px)}to{opacity:1}}.toast .ticon{flex:none;margin-top:1px}.toast.success{border-left:4px solid var(--success)}.toast.success .ticon{color:var(--success)}.toast.error{border-left:4px solid var(--danger)}.toast.error .ticon{color:var(--danger)}.toast.info{border-left:4px solid var(--primary)}.toast.info .ticon{color:var(--primary)}.modal-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:#2328456b;z-index:300;display:flex;align-items:center;justify-content:center;padding:20px;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.modal{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-lg);max-width:400px;width:100%;overflow:hidden;animation:mi .22s ease}@keyframes mi{0%{opacity:0;transform:scale(.96)}to{opacity:1}}.modal-body{padding:26px 24px 8px;text-align:center}.modal-icon{width:52px;height:52px;border-radius:50%;background:var(--accent);color:#fff;display:grid;place-items:center;margin:0 auto 14px;box-shadow:0 6px 16px #e8a33d59}.modal-title{font-size:17px;font-weight:700;margin-bottom:8px}.modal-desc{font-size:13.5px;color:var(--ink-soft);line-height:1.7}.modal-foot{display:flex;gap:10px;padding:18px 24px}.modal-foot .btn{flex:1}.modal-cancel{background:var(--paper);color:var(--ink-soft)}.modal-cancel:hover{border-color:var(--line)}@media (max-width:520px){.field-row{grid-template-columns:1fr}.card-body{padding:18px}.student-wrap{padding:18px 14px 48px}.vstep{font-size:12px}.topbar-in{padding:10px 12px;gap:8px}.brand{flex:1;min-width:0;font-size:13px;gap:8px;flex-wrap:nowrap}.brand .brand-logo{height:18px;flex:none}.brand .brand-name{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}.lang-switch{flex:none;gap:2px;padding:2px}.lang-switch button{padding:5px 8px;font-size:12px;min-height:0}}@media (max-width:480px){body,input{font-size:16px}}