/* ============================================
   题卷通 - 全局样式（本地化，无外部依赖）
   ============================================ */

/* ---- Reset ---- */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{font-size:16px;-webkit-text-size-adjust:100%}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei","微软雅黑",sans-serif;background:#f0f2f5;color:#1f2937;line-height:1.6;font-size:14px}
a{color:#4f46e5;text-decoration:none;transition:color .2s}
a:hover{color:#4338ca}
img{max-width:100%;height:auto}
button,input,select,textarea{font-family:inherit;font-size:inherit}
ul,ol{list-style:none}

/* ---- Variables ---- */
:root{
    --primary:#4f46e5;--primary-dark:#4338ca;--primary-light:#eef2ff;
    --success:#10b981;--success-light:#d1fae5;--success-dark:#065f46;
    --danger:#ef4444;--danger-light:#fee2e2;--danger-dark:#991b1b;
    --warning:#f59e0b;--warning-light:#fef3c7;--warning-dark:#92400e;
    --gray:#6b7280;--gray-light:#f3f4f6;--gray-border:#e5e7eb;
    --dark:#1f2937;--white:#fff;
    --radius:8px;--radius-lg:12px;--radius-sm:4px;
    --shadow:0 1px 3px rgba(0,0,0,0.1);--shadow-lg:0 4px 12px rgba(0,0,0,0.1);
    --sidebar-w:240px;--header-h:60px;
}

/* ---- Layout ---- */
.sidebar{width:var(--sidebar-w);background:linear-gradient(180deg,#1e1b4b,#312e81);color:#fff;position:fixed;top:0;left:0;bottom:0;z-index:200;overflow-y:auto;transition:transform .3s}
.sidebar-brand{padding:20px;font-size:18px;font-weight:700;border-bottom:1px solid rgba(255,255,255,0.1);display:flex;align-items:center;gap:10px}
.sidebar-brand .logo{width:32px;height:32px;background:var(--primary);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:18px}
.sidebar-menu{padding:12px 0}
.sidebar-menu .menu-item{display:block;padding:12px 20px;color:rgba(255,255,255,0.8);transition:all .2s;border-left:3px solid transparent;font-size:14px}
.sidebar-menu .menu-item:hover{background:rgba(255,255,255,0.1);color:#fff}
.sidebar-menu .menu-item.active{background:rgba(79,70,229,0.3);border-left-color:var(--primary);color:#fff}
.sidebar-menu .menu-item .icon{display:inline-block;width:20px;margin-right:10px;text-align:center}
.sidebar-menu .menu-section{padding:12px 20px 6px;font-size:11px;color:rgba(255,255,255,0.4);text-transform:uppercase;letter-spacing:1px}

/* 移动端遮罩 */
.sidebar-overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.5);z-index:150}

/* 主内容区 */
.main-content{margin-left:var(--sidebar-w);min-height:100vh}
.top-bar,.page-header{background:#fff;padding:16px 24px;border-bottom:1px solid var(--gray-border);position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between}
.top-bar h1,.page-header h1{font-size:18px;font-weight:600}
.top-bar .actions,.page-header .actions{display:flex;gap:8px}
.page-body{padding:24px}

/* 移动端菜单按钮 */
.menu-toggle{display:none;font-size:24px;cursor:pointer;background:none;border:none;padding:0;color:var(--dark)}

/* ---- Buttons ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;padding:8px 18px;border:none;border-radius:var(--radius);font-size:14px;font-weight:500;cursor:pointer;transition:all .2s;text-decoration:none;gap:6px;white-space:nowrap}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);color:#fff}
.btn-success{background:var(--success);color:#fff}
.btn-success:hover{background:#059669;color:#fff}
.btn-danger{background:var(--danger);color:#fff}
.btn-danger:hover{background:#dc2626;color:#fff}
.btn-warning{background:var(--warning);color:#fff}
.btn-warning:hover{background:#d97706;color:#fff}
.btn-info{background:#3b82f6;color:#fff}
.btn-info:hover{background:#2563eb;color:#fff}
.btn-outline{background:transparent;border:1px solid var(--gray-border);color:var(--gray)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary)}
.btn-sm{padding:4px 12px;font-size:12px}
.btn-lg{padding:12px 28px;font-size:16px}
.btn-block{width:100%}
.btn:disabled{opacity:.5;cursor:not-allowed}

/* ---- Forms ---- */
.form-group{margin-bottom:18px}
.form-group label{display:block;margin-bottom:6px;font-weight:500;font-size:14px;color:var(--dark)}
.form-group .hint{font-weight:normal;color:var(--gray);font-size:12px;margin-left:6px}
.form-group .required{color:var(--danger)}
.form-control{width:100%;padding:8px 12px;border:1px solid var(--gray-border);border-radius:var(--radius);font-size:14px;transition:border-color .2s,box-shadow .2s;background:#fff;color:var(--dark)}
.form-control:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(79,70,229,0.1)}
.form-control:disabled{background:var(--gray-light);cursor:not-allowed}
textarea.form-control{min-height:80px;resize:vertical}
select.form-control{cursor:pointer}
.form-row{display:flex;gap:16px}
.form-row .form-group{flex:1}
.form-inline{display:flex;gap:8px;align-items:flex-end}
.form-actions{margin-top:24px;display:flex;gap:12px;justify-content:flex-end}

/* ---- Cards ---- */
.card{background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow);overflow:hidden;margin-bottom:20px}
.card-header{padding:16px 20px;border-bottom:1px solid var(--gray-border);display:flex;align-items:center;justify-content:space-between}
.card-header h3{font-size:16px;font-weight:600}
.card-body{padding:20px}
.card-footer{padding:12px 20px;background:var(--gray-light);border-top:1px solid var(--gray-border)}

/* ---- Tables ---- */
.table-wrap{overflow-x:auto}
table.data-table{width:100%;border-collapse:collapse;font-size:14px}
table.data-table th{background:var(--gray-light);padding:12px 16px;text-align:left;font-weight:600;color:var(--dark);white-space:nowrap;border-bottom:2px solid var(--gray-border)}
table.data-table td{padding:10px 16px;border-bottom:1px solid var(--gray-border);color:var(--dark)}
table.data-table tbody tr:hover{background:var(--primary-light)}
table.data-table .actions-cell{white-space:nowrap}
table.data-table .actions-cell a{margin-right:8px}

/* ---- Badges ---- */
.badge{display:inline-block;padding:2px 10px;border-radius:12px;font-size:12px;font-weight:500}
.badge-green{background:var(--success-light);color:var(--success-dark)}
.badge-red{background:var(--danger-light);color:var(--danger-dark)}
.badge-orange{background:var(--warning-light);color:var(--warning-dark)}
.badge-gray{background:var(--gray-light);color:var(--gray)}
.badge-blue{background:#dbeafe;color:#1e40af}

/* ---- Alerts ---- */
.alert{padding:12px 16px;border-radius:var(--radius);margin-bottom:16px;font-size:14px;display:flex;align-items:flex-start;gap:10px}
.alert-success{background:var(--success-light);border:1px solid #6ee7b7;color:var(--success-dark)}
.alert-danger{background:var(--danger-light);border:1px solid #fca5a5;color:var(--danger-dark)}
.alert-warning{background:var(--warning-light);border:1px solid #fcd34d;color:var(--warning-dark)}
.alert-info{background:#dbeafe;border:1px solid #93c5fd;color:#1e40af}

/* ---- Pagination ---- */
.pagination{display:flex;gap:6px;align-items:center;justify-content:center;margin-top:20px;flex-wrap:wrap}
.pagination .page-btn{padding:6px 12px;border:1px solid var(--gray-border);border-radius:var(--radius-sm);color:var(--dark);font-size:13px;transition:all .2s}
.pagination .page-btn:hover{border-color:var(--primary);color:var(--primary)}
.pagination .page-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.pagination .page-info{color:var(--gray);font-size:13px;margin-left:8px}

/* ---- Modal ---- */
.modal-overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.5);z-index:1000;align-items:center;justify-content:center;padding:20px}
.modal-overlay.show{display:flex}
.modal{background:#fff;border-radius:var(--radius-lg);width:100%;max-width:560px;max-height:90vh;overflow-y:auto;box-shadow:0 20px 60px rgba(0,0,0,0.3)}
.modal-header{padding:16px 20px;border-bottom:1px solid var(--gray-border);display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;background:#fff;z-index:1}
.modal-header h3{font-size:16px;font-weight:600}
.modal-header .close{font-size:24px;cursor:pointer;color:var(--gray);background:none;border:none;padding:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-sm)}
.modal-header .close:hover{background:var(--gray-light);color:var(--danger)}
.modal-body{padding:20px}
.modal-footer{padding:12px 20px;border-top:1px solid var(--gray-border);display:flex;justify-content:flex-end;gap:8px;position:sticky;bottom:0;background:#fff}

/* ---- Stat Cards ---- */
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:24px}
.stat-card{background:#fff;border-radius:var(--radius-lg);padding:20px;box-shadow:var(--shadow);display:flex;align-items:center;gap:16px}
.stat-card .stat-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:24px;color:#fff;flex-shrink:0}
.stat-card .stat-info .stat-value{font-size:24px;font-weight:700;color:var(--dark)}
.stat-card .stat-info .stat-label{font-size:13px;color:var(--gray)}
.bg-primary{background:var(--primary)}
.bg-success{background:var(--success)}
.bg-warning{background:var(--warning)}
.bg-danger{background:var(--danger)}
.bg-info{background:#3b82f6}

/* ---- Login Page ---- */
.auth-wrapper{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#4f46e5 0%,#7c3aed 50%,#ec4899 100%);padding:20px}
.auth-card{background:#fff;border-radius:16px;box-shadow:0 20px 60px rgba(0,0,0,0.3);width:100%;max-width:420px;overflow:hidden}
.auth-header{text-align:center;padding:40px 40px 20px}
.auth-header .logo{width:64px;height:64px;background:linear-gradient(135deg,#4f46e5,#7c3aed);border-radius:16px;margin:0 auto 16px;display:flex;align-items:center;justify-content:center;font-size:32px;color:#fff}
.auth-header h1{font-size:24px;font-weight:700;color:var(--dark);margin-bottom:6px}
.auth-header p{color:var(--gray);font-size:14px}
.auth-body{padding:0 40px 40px}
.auth-footer{text-align:center;padding:20px;border-top:1px solid var(--gray-border);background:var(--gray-light);font-size:13px;color:var(--gray)}
.auth-tabs{display:flex;border-bottom:1px solid var(--gray-border);margin-bottom:24px}
.auth-tabs .tab{flex:1;text-align:center;padding:12px;cursor:pointer;color:var(--gray);font-weight:500;border-bottom:2px solid transparent;transition:all .2s}
.auth-tabs .tab.active{color:var(--primary);border-bottom-color:var(--primary)}

/* ---- Answer Page ---- */
.answer-wrapper{max-width:720px;margin:0 auto;padding:24px 16px}
.answer-header{text-align:center;margin-bottom:24px}
.answer-header h1{font-size:24px;font-weight:700;margin-bottom:8px}
.answer-header .desc{color:var(--gray)}
.question-card{background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:24px;margin-bottom:16px}
.question-card .q-title{font-size:16px;font-weight:600;margin-bottom:16px;display:flex;gap:8px}
.question-card .q-title .q-type{font-size:12px;font-weight:400;color:var(--gray);background:var(--gray-light);padding:2px 8px;border-radius:4px}
.question-card .q-required{color:var(--danger)}
.option-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border:1px solid var(--gray-border);border-radius:var(--radius);margin-bottom:8px;cursor:pointer;transition:all .2s}
.option-item:hover{border-color:var(--primary);background:var(--primary-light)}
.option-item input{width:18px;height:18px;cursor:pointer}
.option-item.selected{border-color:var(--primary);background:var(--primary-light)}
.answer-info-form{background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:24px;margin-bottom:24px}
.answer-info-form h3{font-size:16px;font-weight:600;margin-bottom:16px}
.answer-result{text-align:center;padding:40px}
.answer-result .score{font-size:48px;font-weight:700;color:var(--primary);margin:16px 0}
.answer-result .score-label{font-size:14px;color:var(--gray)}
.answer-result .max-score{font-size:18px;color:var(--gray)}

/* ---- Misc ---- */
.text-center{text-align:center}
.text-right{text-align:right}
.text-gray{color:var(--gray)}
.text-danger{color:var(--danger)}
.text-success{color:var(--success)}
.text-warning{color:var(--warning)}
.fw-bold{font-weight:700}
.text-sm{font-size:13px}
.text-xs{font-size:12px}
.mt-0{margin-top:0}.mt-1{margin-top:8px}.mt-2{margin-top:16px}.mt-3{margin-top:24px}
.mb-0{margin-bottom:0}.mb-1{margin-bottom:8px}.mb-2{margin-bottom:16px}.mb-3{margin-bottom:24px}
.d-flex{display:flex}.align-center{align-items:center}.justify-between{justify-content:space-between}
.gap-1{gap:8px}.gap-2{gap:16px}
.empty-state{text-align:center;padding:60px 20px;color:var(--gray)}
.empty-state .icon{font-size:48px;margin-bottom:16px}
.empty-state h3{font-size:16px;font-weight:600;margin-bottom:8px}
.empty-state p{font-size:14px;margin-bottom:16px}
.tag-list{display:flex;flex-wrap:wrap;gap:6px}
.tag{display:inline-block;padding:2px 8px;background:var(--gray-light);border-radius:4px;font-size:12px;color:var(--gray)}
.checkbox-group{display:flex;flex-direction:column;gap:8px}
.checkbox-item{display:flex;align-items:center;gap:8px;padding:8px 12px;border:1px solid var(--gray-border);border-radius:var(--radius);cursor:pointer}
.checkbox-item:hover{border-color:var(--primary)}
.checkbox-item input{width:16px;height:16px}
.checkbox-item.checked{border-color:var(--primary);background:var(--primary-light)}
.user-badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;background:var(--primary-light);border-radius:20px;font-size:13px;color:var(--primary-dark)}

/* ---- Mobile ---- */
.mobile-header{display:none;position:fixed;top:0;left:0;right:0;background:#fff;border-bottom:1px solid var(--gray-border);padding:12px 16px;z-index:100;align-items:center;justify-content:space-between}

@media(max-width:768px){
    :root{--sidebar-w:0px}
    .sidebar{transform:translateX(-100%);width:240px}
    .sidebar.show{transform:translateX(0)}
    .sidebar-overlay.show{display:block}
    .main-content{margin-left:0;padding-top:var(--header-h)}
    .top-bar,.page-header{position:fixed;top:0;left:0;right:0;height:var(--header-h);z-index:100;padding:0 16px}
    .menu-toggle{display:inline-flex}
    .page-body{padding:16px;padding-top:calc(var(--header-h) + 16px)}
    .form-row{flex-direction:column;gap:0}
    .stat-grid{grid-template-columns:repeat(2,1fr)}
    table.data-table{font-size:12px}
    table.data-table th,table.data-table td{padding:8px 10px}
    .auth-card{max-width:100%}
    .modal{max-width:100%;margin:10px}
}

/* ---- Progress bar ---- */
.progress{height:8px;background:var(--gray-light);border-radius:4px;overflow:hidden}
.progress-bar{height:100%;background:var(--primary);transition:width .3s}
.progress-bar.success{background:var(--success)}
.progress-bar.warning{background:var(--warning)}
.progress-bar.danger{background:var(--danger)}

/* ---- Tabs ---- */
.tabs{display:flex;border-bottom:2px solid var(--gray-border);margin-bottom:20px;gap:4px}
.tabs .tab{padding:10px 20px;cursor:pointer;color:var(--gray);font-weight:500;border-bottom:2px solid transparent;margin-bottom:-2px;transition:all .2s}
.tabs .tab:hover{color:var(--primary)}
.tabs .tab.active{color:var(--primary);border-bottom-color:var(--primary)}

/* ---- Tooltip ---- */
[data-tooltip]{position:relative;cursor:help}
[data-tooltip]::after{content:attr(data-tooltip);position:absolute;bottom:100%;left:50%;transform:translateX(-50%);background:var(--dark);color:#fff;padding:4px 8px;border-radius:4px;font-size:12px;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .2s;margin-bottom:4px}
[data-tooltip]:hover::after{opacity:1}

/* ---- Toggle switch ---- */
.toggle{position:relative;display:inline-block;width:40px;height:22px}
.toggle input{opacity:0;width:0;height:0}
.toggle .slider{position:absolute;cursor:pointer;top:0;left:0;right:0;bottom:0;background:var(--gray-border);border-radius:22px;transition:.3s}
.toggle .slider::before{content:"";position:absolute;height:16px;width:16px;left:3px;bottom:3px;background:#fff;border-radius:50%;transition:.3s}
.toggle input:checked+.slider{background:var(--primary)}
.toggle input:checked+.slider::before{transform:translateX(18px)}

/* ---- Captcha image ---- */
.captcha-box{display:flex;align-items:center;gap:12px}
.captcha-box img{height:40px;border-radius:var(--radius);cursor:pointer;border:1px solid var(--gray-border)}
.captcha-box .form-control{flex:1}

/* ---- Chart container ---- */
.chart-container{position:relative;height:300px;width:100%;margin:20px 0}

/* ---- 文件上传 ---- */
.file-upload{margin-top:10px}
.file-upload .fu-label{display:block;margin-bottom:6px;font-size:13px;font-weight:500;color:var(--gray)}
.file-input{display:block;width:100%;padding:10px 12px;border:1.5px dashed var(--gray-border);border-radius:var(--radius);background:var(--gray-light);font-size:13px;color:var(--gray);cursor:pointer;transition:border-color .2s,background .2s,color .2s}
.file-input:hover{border-color:var(--primary);background:var(--primary-light);color:var(--primary-dark)}
.file-input::file-selector-button{margin-right:12px;padding:6px 14px;border:none;border-radius:var(--radius-sm);background:var(--primary);color:#fff;font-size:13px;font-weight:500;cursor:pointer;transition:background .2s}
.file-input::file-selector-button:hover{background:var(--primary-dark)}
.file-preview{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.file-preview-item{position:relative;display:inline-flex;align-items:center;gap:8px;padding:6px 8px;background:var(--gray-light);border:1px solid var(--gray-border);border-radius:var(--radius-sm);font-size:12px;color:var(--dark)}
.file-preview-item .fp-thumb{width:44px;height:44px;object-fit:cover;border-radius:var(--radius-sm);border:1px solid var(--gray-border)}
.file-preview-item .fp-icon{font-size:18px}
.file-preview-item .fp-name{max-width:140px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.file-preview-item .fp-del{width:20px;height:20px;border:none;border-radius:50%;background:var(--danger);color:#fff;font-size:13px;line-height:1;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;padding:0}
.file-preview-item .fp-del:hover{background:#dc2626}

/* ---- 附件展示 ---- */
.attachment-grid{display:flex;flex-wrap:wrap;gap:10px;margin:10px 0 4px}
.attachment-item{display:block;border:1px solid var(--gray-border);border-radius:var(--radius);overflow:hidden;transition:all .2s;text-decoration:none}
.attachment-item:hover{border-color:var(--primary);box-shadow:var(--shadow)}
.attachment-image{width:140px;height:100px;background:var(--gray-light)}
.attachment-image img{width:100%;height:100%;object-fit:cover;display:block}
.attachment-video{width:300px;max-width:100%;background:#000}
.attachment-video video{width:100%;max-height:200px;display:block}
.attachment-file{display:inline-flex;align-items:center;gap:8px;padding:10px 14px;background:var(--gray-light);color:var(--dark);font-size:13px;border:1px solid var(--gray-border)}
.attachment-file:hover{background:var(--primary-light);color:var(--primary-dark);border-color:var(--primary)}
.attachment-file .af-icon{font-size:16px}
.attachment-file .af-name{max-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---- 题目附件（出题端编辑） ---- */
.q-attach{margin-top:12px;padding:12px 14px;background:#fff;border:1px solid var(--gray-border);border-radius:var(--radius)}
.q-attach .qa-label{display:block;margin-bottom:8px;font-size:13px;font-weight:500;color:var(--dark)}
.q-attach .qa-label .hint{font-weight:normal;color:var(--gray);font-size:12px;margin-left:6px}
.q-attach-existing{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px}
.q-attach-existing .qa-item{display:inline-flex;align-items:center;gap:6px;padding:4px 8px;background:var(--gray-light);border:1px solid var(--gray-border);border-radius:var(--radius-sm);font-size:12px;color:var(--dark)}
.q-attach-existing .qa-item img{width:36px;height:36px;object-fit:cover;border-radius:var(--radius-sm)}
.q-attach-existing .qa-item input[type="checkbox"]{width:14px;height:14px;cursor:pointer}
.q-attach-existing .qa-del{color:var(--danger);font-size:12px}

/* ---- 答题页头部（渐变 Banner + 进度条） ---- */
.answer-hero{background:linear-gradient(135deg,#4f46e5,#7c3aed);color:#fff;border-radius:var(--radius-lg);padding:28px 26px;margin-bottom:20px;box-shadow:var(--shadow-lg)}
.answer-hero h1{font-size:22px;font-weight:700;margin-bottom:8px;color:#fff}
.answer-hero .desc{font-size:14px;opacity:0.92;line-height:1.7;overflow-wrap:break-word;word-break:break-word}
.answer-hero .hero-meta{display:flex;align-items:center;gap:10px;margin-top:14px;flex-wrap:wrap}
.answer-hero .countdown{background:rgba(255,255,255,0.22);padding:4px 14px;border-radius:20px;font-size:14px;font-weight:600}
.answer-progress{background:rgba(255,255,255,0.25);border-radius:8px;height:6px;margin-top:16px;overflow:hidden}
.answer-progress .bar{height:100%;background:#fff;border-radius:8px;transition:width .3s}
.answer-progress-label{font-size:12px;opacity:0.9;margin-top:8px}

/* ---- 题目卡片增强 ---- */
.question-card .q-title{align-items:flex-start}
.question-card .q-num{display:inline-flex;align-items:center;justify-content:center;min-width:26px;height:26px;padding:0 6px;background:var(--primary);color:#fff;border-radius:7px;font-size:13px;font-weight:700;flex-shrink:0}
.question-card .q-text{flex:1;line-height:1.6;overflow-wrap:break-word;word-break:break-word}
.question-card .q-type{font-size:12px;font-weight:400;color:var(--gray);background:var(--gray-light);padding:3px 10px;border-radius:12px;white-space:nowrap;flex-shrink:0}

/* ---- 成绩查询页头部 ---- */
.query-hero{background:linear-gradient(135deg,#4f46e5,#7c3aed);color:#fff;border-radius:var(--radius-lg);padding:26px;margin-bottom:20px;text-align:center;box-shadow:var(--shadow-lg)}
.query-hero h1{font-size:22px;font-weight:700;color:#fff;margin-bottom:6px}
.query-hero .desc{font-size:14px;opacity:0.9}

/* ---- 底部快捷导航 ---- */
.page-footer-nav{max-width:720px;margin:0 auto;display:flex;justify-content:center;gap:10px;padding:24px 16px 32px;flex-wrap:wrap}
.page-footer-nav a{display:inline-flex;align-items:center;gap:6px;padding:8px 20px;border:1px solid var(--gray-border);border-radius:20px;color:var(--gray);font-size:14px;background:#fff;text-decoration:none;transition:all .2s;box-shadow:var(--shadow)}
.page-footer-nav a:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light)}

/* ---- 提交成功结果页 ---- */
.result-card{background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);padding:48px 32px;text-align:center;max-width:480px;margin:0 auto}
.result-icon{width:80px;height:80px;margin:0 auto 20px;background:linear-gradient(135deg,#10b981,#34d399);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:40px;color:#fff;box-shadow:0 8px 20px rgba(16,185,129,0.35);animation:pop .45s ease}
.result-title{font-size:24px;font-weight:700;color:var(--dark);margin-bottom:6px}
.result-sub{color:var(--gray);margin-bottom:24px}
.result-score-box{background:linear-gradient(135deg,#eef2ff,#e0e7ff);border:1px solid #c7d2fe;border-radius:var(--radius-lg);padding:26px;margin-bottom:28px}
.result-score-label{font-size:14px;color:var(--gray);margin-bottom:6px}
.result-score{font-size:46px;font-weight:800;color:var(--primary);line-height:1.1}
.result-max{font-size:18px;font-weight:400;color:var(--gray)}
.result-note{font-size:13px;color:var(--warning-dark);margin-top:12px}
.result-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
@keyframes pop{0%{transform:scale(0.5);opacity:0}70%{transform:scale(1.1)}100%{transform:scale(1);opacity:1}}