:root{--green:#c91522;--mint:#fff0e8;--paper:#f8f6f3;--ink:#302724;--line:#e8e1dc;--muted:#7d7069;--gold:#e87c24}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.65 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}button,input,select{font:inherit}button{cursor:pointer;border:0}button:disabled{opacity:.5;cursor:not-allowed}button,input,select,a{outline-offset:4px}button:focus-visible,a:focus-visible{outline:3px solid var(--gold)}a{color:var(--green)}.loading{padding:60px;text-align:center}.brand{display:flex;align-items:center;gap:12px}.brand svg{width:38px;height:38px;flex-shrink:0}.brand strong{font-size:17px;letter-spacing:.5px}.brand small{display:block;font-size:11px;letter-spacing:2px;color:var(--muted)}.shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}.sidebar{background:#fff;border-right:1px solid var(--line);padding:30px 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var(--line);border-radius:7px}.tab.active{background:var(--green);color:#fff;border-color:var(--green)}label.field{display:block;font-size:13px;margin-bottom:16px}input:not([type=checkbox]):not([type=radio]),select{display:block;width:100%;padding:10px 12px;background:#fff;border:1px solid #dfd3ca;border-radius:6px;color:var(--ink);margin-top:6px}input[type=file]{padding:16px!important}.formgrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}.check{display:inline-flex;align-items:center;gap:8px;font-size:13px;margin:6px 14px 6px 0}.tablewrap{overflow:auto}table{border-collapse:collapse;width:100%;font-size:13px;text-align:left;white-space:nowrap}th{background:#f8f6f3;font-size:12px;font-weight:500;color:var(--muted)}th,td{padding:13px 14px;border-bottom:1px solid var(--line)}td strong{font-weight:600}.score{font-weight:600;color:var(--green);font-size:18px}.rank{width:25px;display:inline-grid;place-items:center;height:25px;background:var(--mint);border-radius:5px}.auth{display:grid;grid-template-columns:1fr 1fr;min-height:100vh}.auth-art{background:var(--green);color:#fff;padding:45px;display:flex;flex-direction:column;position:relative;overflow:hidden}.auth-art .brand small{color:#f4c3b3}.auth-copy{margin:auto 0;max-width:420px}.auth-copy h1{font-size:43px;line-height:1.5;letter-spacing:3px}.auth-copy p{color:#f9ded3}.auth-art:after{content:'';width:400px;height:400px;border:1px solid #ffffff20;border-radius:50%;position:absolute;right:-200px;bottom:-150px;box-shadow:0 0 0 55px #ffffff08,0 0 0 110px #ffffff06}.auth-bottom{font-size:11px;letter-spacing:2px;color:#f9ded3}.auth-right{display:grid;place-items:center;padding:35px}.auth-form{width:min(100%,420px)}.auth-form h2{font-size:26px}.auth-form .btn{width:100%;margin-top:10px}.auth-form .tabs{margin-bottom:28px}.error{color:#a33a2e;background:#fff0ed;padding:12px;border-radius:6px;font-size:13px;display:none;margin:15px 0}.qitem{padding:22px 0;border-bottom:1px solid var(--line)}.qtitle{display:flex;gap:10px;align-items:flex-start}.qnum{font-size:13px;min-width:28px;height:28px;display:grid;place-items:center;background:var(--mint);border-radius:6px}.qitem h3{font-size:15px;white-space:pre-wrap}.options{display:grid;gap:10px;padding-left:38px}.option{display:flex;align-items:flex-start;gap:10px;padding:12px 15px;background:#fcfaf7;border:1px solid var(--line);border-radius:6px;cursor:pointer;font-size:14px}.option:has(input:checked){background:var(--mint);border-color:#eb916e}.option input{margin-top:5px}.qexplain{margin:15px 0 0 38px;padding:13px 16px;background:#fff4eb;font-size:13px;white-space:pre-wrap}.examheader{position:sticky;top:0;background:var(--paper);z-index:5;padding:15px 0;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:10px}.timer{font-size:23px;font-variant-numeric:tabular-nums;font-weight:600;color:var(--green)}.examnav{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:20px}.examnav a{font-size:12px;text-decoration:none;background:#fff;border:1px solid var(--line);border-radius:4px;width:28px;height:28px;display:grid;place-items:center}.examnav a.done{background:var(--mint)}.bankrow{padding:16px 0;border-bottom:1px solid var(--line)}.bankrow p{margin-bottom:8px;white-space:pre-wrap}.bankrow .answer{color:var(--green);font-size:13px}.footer{color:var(--muted);font-size:11px;padding-top:25px}.upload-zone{padding:25px;background:#fcfaf7;border:1px dashed #d7b6a0;border-radius:8px;margin-bottom:15px}.upload-zone h3{margin-bottom:4px}#toast{position:fixed;bottom:26px;left:50%;transform:translateX(-50%);padding:12px 22px;background:var(--ink);color:#fff;border-radius:8px;z-index:100;max-width:90%;display:none}.download{font-size:12px}.mobilebrand{display:none}.inline-result{white-space:pre-wrap;font-size:13px;color:var(--green);background:var(--mint);padding:15px;border-radius:8px;margin-top:15px}.mobilemenu{display:none}@media(min-width:1500px){.main{max-width:1350px}}@media(max-width:1000px){.sidebar{width:190px;padding:25px 14px}.shell{grid-template-columns:190px 1fr}.main{padding:0 24px 35px}.brand strong{font-size:14px}.stats{grid-template-columns:repeat(2,1fr)}}@media(max-width:700px){.shell{display:block}.sidebar{position:sticky;top:0;width:100%;height:auto;padding:10px 16px;display:flex;flex-direction:row;gap:4px;border-right:0;border-bottom:1px solid var(--line);overflow:auto;z-index:10}.sidebar .brand,.sidebar-foot{display:none}.navbtn{white-space:nowrap;margin:0;font-size:12px;padding:9px 11px}.main{padding:0 17px 28px}.topbar{height:65px;margin-bottom:22px}.breadcrumb{font-size:11px}.account small{display:none}.pagehead{margin:22px 0}h1{font-size:23px}.stats{gap:10px}.stat{padding:13px 16px}.stat strong{font-size:25px}.hero{padding:23px;align-items:flex-start;flex-direction:column}.hero h2{font-size:21px}.grid{grid-template-columns:1fr}.panel{padding:18px}.formgrid{grid-template-columns:1fr}.auth{display:block}.auth-art{padding:25px;min-height:230px}.auth-copy{margin:24px 0 0}.auth-copy h1{font-size:27px;letter-spacing:1px;margin-bottom:5px}.auth-copy p,.auth-bottom{display:none}.auth-right{padding:30px 23px}.auth-art .brand strong{font-size:15px}.options{padding-left:0}.qexplain{margin-left:0}.examheader{top:51px}.examheader h2{font-size:15px;margin:0}.timer{font-size:20px}.card{padding:20px}.tablewrap{margin:0 -5px}.tabs{overflow:auto}.tab{white-space:nowrap}.pagehead .btn{font-size:12px;padding:8px 12px}}

.brand-mark{width:46px;height:46px;display:block;flex-shrink:0;background:#fff url(/yanchang-reference.jpg) no-repeat;background-size:107px 80px;background-position:-31px -5px;border-radius:3px}.brand small{letter-spacing:1px;font-size:10px}.auth-art{background:linear-gradient(145deg,#fffaf4,#fff0e0);color:#302724;border-right:1px solid #f2ddd0}.auth-art .brand small{color:#8d776c}.auth-copy h1{color:#bc1422}.auth-copy p,.auth-bottom{color:#8d776c}.hero{background:linear-gradient(110deg,#c91522,#e24920)}.auth-art:after{border-color:#e47b2830;box-shadow:0 0 0 55px #ef84200a,0 0 0 110px #ef842008}.brand-full{width:160px;height:84px;overflow:hidden;background:url(/yanchang-reference.jpg) center no-repeat;background-size:230px auto}.auth .brand-mark{width:58px;height:58px;background-size:133px 100px;background-position:-38px -6px}

.brand{flex-direction:column;align-items:flex-start;gap:8px}.brand-logo{display:block;width:148px;height:112px;object-fit:contain;background:#fff;border-radius:6px}.sidebar .brand{margin-bottom:24px}.brand strong{font-size:16px}.auth .brand-logo{width:176px;height:133px}.auth-art .brand{position:relative;z-index:1}.auth .brand{flex-direction:row;align-items:center;flex-wrap:wrap}.brand small{letter-spacing:1px}@media(max-width:700px){.auth .brand-logo{width:132px;height:100px}.auth-art{padding:20px}.auth-copy{margin-top:16px}}

.brand-logo{background:transparent;border-radius:0}.auth .brand-logo{object-fit:contain}@media(max-width:700px){.auth-art{min-height:0;padding:18px 22px 14px;border-right:0;border-bottom:1px solid var(--line)}.auth-art .brand{gap:14px;flex-wrap:nowrap}.auth .brand-logo{width:64px;height:76px;flex-shrink:0}.auth-art .brand strong{font-size:18px;letter-spacing:0}.auth-art .brand small{font-size:9px;letter-spacing:.8px}.auth-copy{display:none}.auth-right{padding:22px 22px 28px}.auth-form .tabs{margin-bottom:22px}.auth-form h2{font-size:23px;margin-bottom:8px}.auth-form .sub{margin-bottom:16px}.auth-form .field{margin-bottom:12px}.auth-form input{padding:10px 12px}.auth-art:after{display:none}}

.field-help{font-size:12px;line-height:1.5;color:#997765;margin:-8px 0 13px}.session-note{font-size:12px;line-height:1.6;color:#8d776c;margin:4px 0 12px}.auth-motto{display:none}@media(max-width:700px){.auth{min-height:100vh;background:linear-gradient(150deg,#fffaf4 0%,#fff3e9 55%,#fbeadd 100%)}.auth-art{background:transparent;border-bottom:1px solid #eedaca}.auth-right{position:relative;isolation:isolate;background:transparent;overflow:hidden}.auth-right:before{content:"";position:absolute;width:290px;height:290px;border:1px solid #d9702a18;border-radius:50%;right:-180px;bottom:80px;box-shadow:0 0 0 38px #e98b2710,0 0 0 76px #e98b2707;z-index:-1;pointer-events:none}.auth-form .tabs{margin-bottom:18px}.auth-form .tab{background:#fff7f0;border-color:#ead8c9;color:#946751}.auth-form .tab.active{background:#c91522;color:white}.auth-form input{background:#fffcf8;border-color:#e6d2c2}.auth-form input:focus{outline:2px solid #d8512c55;border-color:#d8512c}.auth-form .btn{background:linear-gradient(110deg,#c91522,#df5027)}.auth-motto{display:flex;flex-direction:column;gap:2px;margin:25px 0 20px;padding:0 0 0 14px;border-left:3px solid #de7b37;color:#aa482c;font-size:16px;letter-spacing:2px;line-height:1.7}.auth-motto strong{font-weight:600}.auth-form .field-help{color:#916b53}.auth-form .sub{color:#8d776c}.auth-form .session-note{color:#99725d}}

.account-cards{display:grid;gap:16px}.account-card{border:1px solid var(--line);border-radius:10px;padding:20px;background:#fffcf8}.account-identity{display:grid;grid-template-columns:minmax(140px,1fr) minmax(160px,2fr);gap:20px;border-bottom:1px solid var(--line);padding-bottom:14px;margin-bottom:16px}.account-org{display:grid;gap:5px;overflow-wrap:anywhere}.account-org small{display:inline-block;color:var(--muted);width:38px}.account-controls{display:grid;grid-template-columns:minmax(140px,1fr) minmax(160px,2fr) minmax(80px,.6fr);gap:20px;align-items:start}.account-controls .field{margin:0}.account-controls select{min-width:140px;width:100%;color:var(--ink);background:white}.control-label{display:block;margin-bottom:8px;font-size:13px;color:var(--muted)}.permission-options{display:flex;flex-wrap:wrap;gap:8px 16px}.permission-options .check{margin:0;white-space:nowrap}.account-actions{display:flex;gap:16px;align-items:center;margin-top:18px}@media(max-width:850px){.account-controls{grid-template-columns:minmax(140px,1fr) minmax(140px,1fr)}.account-controls>div:last-child{grid-column:1/-1}}@media(max-width:500px){.account-identity,.account-controls{grid-template-columns:1fr;gap:12px}.account-card{padding:16px}.account-controls select{width:100%;min-width:0}.account-controls>div:last-child{grid-column:auto}}