/* ===== CRM System - Java Spring Boot Edition ===== */
:root {
    --primary: #4f6ef7; --primary-light: #eef1ff; --primary-dark: #3a54d4;
    --success: #22c55e; --success-light: #f0fdf4;
    --warning: #f59e0b; --warning-light: #fffbeb;
    --danger: #ef4444; --danger-light: #fef2f2;
    --info: #06b6d4; --info-light: #ecfeff;
    --gray-50: #f9fafb; --gray-100: #f3f4f6; --gray-200: #e5e7eb;
    --gray-300: #d1d5db; --gray-400: #9ca3af; --gray-500: #6b7280;
    --gray-600: #4b5563; --gray-700: #374151; --gray-800: #1f2937; --gray-900: #111827;
    --radius: 8px; --radius-lg: 12px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,.05);
    --shadow: 0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);
    --shadow-md: 0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);
    --shadow-lg: 0 10px 15px rgba(0,0,0,.1), 0 4px 6px rgba(0,0,0,.05);
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;background:var(--gray-50);color:var(--gray-800);min-height:100vh;line-height:1.6}
a{text-decoration:none;color:var(--primary)}a:hover{color:var(--primary-dark)}

/* Layout */
.app-layout{display:flex;min-height:100vh}
.sidebar{width:240px;background:#fff;border-right:1px solid var(--gray-200);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100;overflow-y:auto}
.sidebar-logo{padding:20px 24px;border-bottom:1px solid var(--gray-100);display:flex;align-items:center;gap:12px}
.sidebar-logo .logo-icon{width:36px;height:36px;background:linear-gradient(135deg,var(--primary),#818cf8);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px;font-weight:700}
.sidebar-logo h1{font-size:18px;font-weight:700;color:var(--gray-900)}
.sidebar-nav{flex:1;padding:12px 0}
.nav-section{margin-bottom:8px}
.nav-section-title{padding:8px 24px 4px;font-size:11px;text-transform:uppercase;color:var(--gray-400);font-weight:600;letter-spacing:.5px}
.nav-item{display:flex;align-items:center;padding:10px 24px;margin:2px 12px;border-radius:var(--radius);color:var(--gray-600);font-size:14px;font-weight:500;cursor:pointer;transition:all .15s;gap:12px}
.nav-item:hover{background:var(--gray-100);color:var(--gray-900)}
.nav-item.active{background:var(--primary-light);color:var(--primary);font-weight:600}
.nav-item .nav-icon{font-size:18px;width:20px;text-align:center}
.nav-badge{margin-left:auto;font-size:11px;padding:2px 8px;border-radius:10px;font-weight:600}
.nav-badge.red{background:var(--danger-light);color:var(--danger)}
.nav-badge.blue{background:var(--primary-light);color:var(--primary)}
.sidebar-footer{padding:16px 20px;border-top:1px solid var(--gray-100)}
.user-info-small{display:flex;align-items:center;gap:10px;padding:8px 12px;border-radius:var(--radius);cursor:pointer;transition:background .15s}
.user-info-small:hover{background:var(--gray-100)}
.user-avatar-sm{width:36px;height:36px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:600}
.user-meta-sm{flex:1;min-width:0}
.user-meta-sm .uname{font-size:13px;font-weight:600;color:var(--gray-800);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.user-meta-sm .urole{font-size:11px;color:var(--gray-400)}
.main-content{flex:1;margin-left:240px;padding:0}

/* Topbar */
.topbar{background:#fff;border-bottom:1px solid var(--gray-200);padding:16px 32px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:50}
.topbar h2{font-size:20px;font-weight:700;color:var(--gray-900)}
.topbar-actions{display:flex;align-items:center;gap:16px}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:var(--radius);font-size:14px;font-weight:500;cursor:pointer;border:1px solid transparent;transition:all .15s;white-space:nowrap}
.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary)}.btn-primary:hover{background:#2f43b8;border-color:#2f43b8;color:#fff;box-shadow:0 4px 12px rgba(79,110,247,.35);transform:translateY(-1px)}.btn-primary:active,.btn-primary:focus-visible{background:#2f43b8;box-shadow:0 0 0 3px rgba(79,110,247,.3)}
.btn-outline{background:#fff;border-color:var(--gray-300);color:var(--gray-700)}.btn-outline:hover{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 4px 12px rgba(79,110,247,.25)}.btn-outline:active,.btn-outline:focus-visible{background:#2f43b8;border-color:#2f43b8;color:#fff}
.btn-success{background:var(--success);color:#fff}.btn-success:hover{opacity:.9}
.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{opacity:.9}
.btn-sm{padding:5px 10px;font-size:12px}
.btn-xs{padding:3px 8px;font-size:11px;border-radius:4px}

/* Content */
.content-area{padding:24px 32px}

/* Stats cards */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-bottom:24px}
.stat-card{background:#fff;border-radius:var(--radius-lg);padding:20px 24px;box-shadow:var(--shadow-sm);border:1px solid var(--gray-100);display:flex;align-items:center;gap:16px;transition:box-shadow .2s}
.stat-card:hover{box-shadow:var(--shadow-md)}
.stat-icon{width:48px;height:48px;border-radius:var(--radius);display:flex;align-items:center;justify-content:center;font-size:22px}
.stat-icon.blue{background:var(--primary-light);color:var(--primary)}
.stat-icon.green{background:var(--success-light);color:var(--success)}
.stat-icon.orange{background:var(--warning-light);color:var(--warning)}
.stat-icon.red{background:var(--danger-light);color:var(--danger)}
.stat-icon.teal{background:var(--info-light);color:var(--info)}
.stat-info{flex:1}
.stat-value{font-size:28px;font-weight:700;color:var(--gray-900);line-height:1.2}
.stat-label{font-size:13px;color:var(--gray-500);margin-top:2px}

/* Charts */
.charts-grid{display:grid;grid-template-columns:2fr 1fr;gap:20px;margin-bottom:24px}
.charts-grid.full{grid-template-columns:1fr}
.card{background:#fff;border-radius:var(--radius-lg);border:1px solid var(--gray-100);box-shadow:var(--shadow-sm);overflow:hidden}
.card-header{padding:18px 20px;border-bottom:1px solid var(--gray-100);display:flex;align-items:center;justify-content:space-between}
.card-header h3{font-size:15px;font-weight:600;color:var(--gray-800)}
.card-body{padding:20px}
.card-body.no-padding{padding:0}

/* Tables */
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:14px}
thead{background:var(--gray-50)}
th{padding:12px 16px;text-align:left;font-weight:600;color:var(--gray-500);font-size:12px;text-transform:uppercase;letter-spacing:.5px;border-bottom:1px solid var(--gray-200);white-space:nowrap}
td{padding:14px 16px;border-bottom:1px solid var(--gray-100);color:var(--gray-700)}
tr:hover td{background:var(--gray-50)}
.empty-row td{text-align:center;color:var(--gray-400);padding:40px 16px}

/* Tags */
.tag{display:inline-block;padding:3px 10px;border-radius:12px;font-size:12px;font-weight:500;white-space:nowrap}
.tag-blue{background:var(--primary-light);color:var(--primary)}
.tag-green{background:var(--success-light);color:var(--success)}
.tag-orange{background:var(--warning-light);color:var(--warning)}
.tag-red{background:var(--danger-light);color:var(--danger)}
.tag-gray{background:var(--gray-100);color:var(--gray-600)}
.tag-teal{background:var(--info-light);color:var(--info)}

/* Kanban */
.kanban-board{display:flex;gap:16px;overflow-x:auto;padding-bottom:16px}
.kanban-column{min-width:280px;flex:1;background:var(--gray-100);border-radius:var(--radius-lg);padding:12px}
.kanban-col-header{display:flex;align-items:center;justify-content:space-between;padding:8px 12px 12px;font-size:13px;font-weight:700;color:var(--gray-700)}
.kanban-col-count{font-size:12px;color:var(--gray-400);font-weight:500;background:var(--gray-200);padding:2px 8px;border-radius:10px}
.kanban-card{background:#fff;border-radius:var(--radius);padding:14px;margin-bottom:8px;box-shadow:var(--shadow-sm);border:1px solid var(--gray-100);cursor:pointer;transition:all .15s}
.kanban-card:hover{box-shadow:var(--shadow-md);border-color:var(--primary)}
.kanban-card-title{font-size:14px;font-weight:600;color:var(--gray-800);margin-bottom:8px}
.kanban-card-meta{font-size:12px;color:var(--gray-500);display:flex;flex-direction:column;gap:4px}
.kanban-card-footer{display:flex;justify-content:space-between;align-items:center;margin-top:10px;padding-top:10px;border-top:1px solid var(--gray-100)}

/* Forms */
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:13px;font-weight:600;color:var(--gray-700);margin-bottom:6px}
.form-group .hint{font-size:12px;color:var(--gray-400);font-weight:400}
input[type="text"],input[type="email"],input[type="password"],input[type="tel"],input[type="url"],input[type="number"],input[type="date"],input[type="datetime-local"],select,textarea{width:100%;padding:10px 12px;border:1px solid var(--gray-300);border-radius:var(--radius);font-size:14px;color:var(--gray-800);transition:border-color .15s;background:#fff;font-family:inherit}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}
textarea{resize:vertical;min-height:80px}
.form-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}

/* Modal */
.modal-overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);z-index:1000;align-items:center;justify-content:center}
.modal-overlay.show{display:flex}
.modal{background:#fff;border-radius:var(--radius-lg);width:90%;max-width:640px;max-height:85vh;overflow-y:auto;box-shadow:var(--shadow-lg)}
.modal.wide{max-width:900px}
.modal-header{padding:20px 24px;border-bottom:1px solid var(--gray-200);display:flex;align-items:center;justify-content:space-between}
.modal-header h3{font-size:17px;font-weight:700}
.modal-close{width:32px;height:32px;border-radius:50%;border:none;background:var(--gray-100);cursor:pointer;font-size:18px;display:flex;align-items:center;justify-content:center;color:var(--gray-500);transition:all .15s}
.modal-close:hover{background:var(--gray-200);color:var(--gray-800)}
.modal-body{padding:24px}
.modal-footer{padding:16px 24px;border-top:1px solid var(--gray-100);display:flex;justify-content:flex-end;gap:12px}

/* 弹窗内表单：标签在上、控件在下（避免 grid 把标签与输入框拉得过远），并加大上下间距 */
.modal-body .form-row{display:block;margin-bottom:26px}
.modal-body .form-row label{display:block;font-size:14px;color:var(--gray-600);margin-bottom:10px}
.modal-body .form-row:last-of-type{margin-bottom:18px}
.modal-body textarea,.modal-body input{width:100%;border:1px solid var(--gray-200);border-radius:var(--radius);padding:12px 14px;font-size:14px;font-family:inherit;color:var(--gray-800);resize:vertical;outline:none;transition:border-color .2s;box-sizing:border-box}
.modal-body textarea:focus,.modal-body input:focus{border-color:var(--primary)}

/* 通用遮罩弹窗（官网 manual / 问答新建 复用） */
.modal-mask{position:fixed;inset:0;background:rgba(15,23,42,.55);display:none;align-items:center;justify-content:center;z-index:1000;padding:20px}
.modal-box{background:#fff;border-radius:var(--radius-lg);width:90%;max-width:640px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg)}
.modal-head{padding:20px 24px;border-bottom:1px solid var(--gray-200);display:flex;align-items:center;justify-content:space-between}
.modal-head h3{font-size:17px;font-weight:700;color:var(--gray-900)}

/* Toolbar */
.toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px;flex-wrap:wrap}
.toolbar-left{display:flex;align-items:center;gap:12px;flex:1}
.search-box{position:relative;flex:1;max-width:320px}
.search-box input{padding:9px 12px 9px 36px;border:1px solid var(--gray-300);border-radius:var(--radius);width:100%;font-size:13px}
.search-box input:focus{outline:none;border-color:var(--primary)}
.search-icon{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--gray-400);font-size:14px}

/* Pagination */
.pagination{display:flex;align-items:center;justify-content:center;gap:4px;margin-top:20px}
.pagination button{padding:6px 12px;border:1px solid var(--gray-300);background:#fff;border-radius:var(--radius);cursor:pointer;font-size:13px;color:var(--gray-700)}
.pagination button:hover{background:var(--gray-50)}
.pagination button.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.pagination button:disabled{opacity:.5;cursor:not-allowed}

/* Toast */
.toast{position:fixed;top:24px;right:24px;z-index:2000;padding:12px 20px;border-radius:var(--radius);color:#fff;font-size:14px;font-weight:500;box-shadow:var(--shadow-lg);display:none;animation:slideIn .3s ease}
.toast.show{display:block}
.toast.success{background:var(--success)}
.toast.error{background:var(--danger)}
.toast.info{background:var(--primary)}
@keyframes slideIn{from{transform:translateX(100%);opacity:0}to{transform:translateX(0);opacity:1}}

/* Login page */
.login-page{display:flex;min-height:100vh;align-items:center;justify-content:center;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%)}
.login-card{background:#fff;border-radius:var(--radius-lg);padding:40px;width:400px;max-width:90%;box-shadow:var(--shadow-lg)}
.login-card h1{font-size:24px;font-weight:700;text-align:center;margin-bottom:8px;color:var(--gray-900)}
.login-card .subtitle{text-align:center;color:var(--gray-500);font-size:14px;margin-bottom:32px}
.login-card .form-group{margin-bottom:20px}
.login-card .btn{width:100%;justify-content:center;padding:12px}
.login-links{text-align:center;margin-top:16px;font-size:13px;color:var(--gray-500)}

/* Landing page */
.landing-page{min-height:100vh}
.landing-header{background:#fff;border-bottom:1px solid var(--gray-200);padding:16px 32px;display:flex;align-items:center;justify-content:space-between}
.landing-header .logo{display:flex;align-items:center;gap:12px;font-size:20px;font-weight:700;color:var(--gray-900)}
.landing-hero{padding:80px 32px;text-align:center;background:linear-gradient(135deg,var(--primary-light) 0%,#f5f3ff 50%,#ede9fe 100%)}
.landing-hero h1{font-size:48px;font-weight:800;color:var(--gray-900);margin-bottom:16px}
.landing-hero p{font-size:18px;color:var(--gray-600);max-width:600px;margin:0 auto 32px}
.landing-features{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px;padding:64px 32px;max-width:1200px;margin:0 auto}
.feature-card{background:#fff;border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow-sm);border:1px solid var(--gray-100);text-align:center}
.feature-card .feature-icon{width:56px;height:56px;border-radius:var(--radius);display:inline-flex;align-items:center;justify-content:center;font-size:28px;margin-bottom:16px}

/* Detail sections */
.detail-section{margin-bottom:24px}
.detail-section h4{font-size:13px;font-weight:600;color:var(--gray-500);text-transform:uppercase;margin-bottom:12px}
.detail-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}
.detail-item{background:var(--gray-50);padding:12px 16px;border-radius:var(--radius)}
.detail-item .dlabel{font-size:12px;color:var(--gray-400);margin-bottom:4px}
.detail-item .dvalue{font-size:14px;font-weight:600;color:var(--gray-800)}

/* Tabs */
.tabs{display:flex;gap:0;border-bottom:1px solid var(--gray-200);margin-bottom:20px}
.tab-item{padding:10px 20px;font-size:14px;font-weight:500;color:var(--gray-500);cursor:pointer;border-bottom:2px solid transparent;transition:all .15s}
.tab-item:hover{color:var(--gray-700)}
.tab-item.active{color:var(--primary);border-bottom-color:var(--primary)}

/* Scrollbar */
::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-track{background:var(--gray-100)}
::-webkit-scrollbar-thumb{background:var(--gray-300);border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:var(--gray-400)}

/* 右侧悬浮联系方式 */
.side-contact{position:fixed;right:18px;top:50%;transform:translateY(-50%);z-index:9999;display:flex;flex-direction:column;gap:14px}
.side-contact .sc-item{position:relative}
.side-contact .sc-btn{width:150px;padding:14px 12px;background:#fff;border:1px solid var(--gray-200);border-radius:14px;box-shadow:0 4px 12px rgba(15,23,42,.08);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;cursor:pointer}
.side-contact .sc-btn img{width:130px;height:130px}
.side-contact .sc-btn span{font-size:13px;color:var(--gray-500);line-height:1}
.side-contact .sc-qr-pop{display:none}
.side-contact .sc-phone{background:linear-gradient(135deg,#4f6ef7,#818cf8);border-radius:12px;box-shadow:0 4px 12px rgba(79,110,247,.3);padding:10px 8px;text-align:center;color:#fff}
.side-contact .sc-phone b{display:block;font-size:11px;font-weight:600;margin-bottom:2px}
.side-contact .sc-phone a{color:#fff;font-size:13px;font-weight:700;text-decoration:none;display:block}
.side-contact .sc-phone a:hover{text-decoration:underline}
@media (max-width:768px){.side-contact{right:8px;top:auto;bottom:20px;transform:none;gap:10px}.side-contact .sc-btn{width:118px;padding:10px 8px}.side-contact .sc-btn img{width:96px;height:96px}.side-contact .sc-btn span{font-size:12px}.side-contact .sc-qr-pop{right:120px;top:auto;bottom:0;transform:none}.side-contact .sc-qr-pop img{width:210px;height:210px}}

/* ===== 互动问答页 ===== */
.qa-page{max-width:860px;margin:0 auto}
.qa-head{margin-bottom:32px}
.qa-head h1{font-size:28px;font-weight:700;color:var(--gray-900);margin-bottom:10px}
.qa-head p{font-size:15px;color:var(--gray-500)}
.qa-card{background:#fff;border:1px solid var(--gray-100);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:28px;margin-bottom:24px}
.qa-card h2{font-size:18px;font-weight:600;color:var(--gray-800);margin-bottom:20px}
.qa-form .form-row{margin-bottom:18px}
.qa-form .form-row label{display:block;font-size:14px;color:var(--gray-600);margin-bottom:8px}
.qa-form .req{color:var(--danger)}
.qa-form textarea,.qa-form input{width:100%;border:1px solid var(--gray-200);border-radius:var(--radius);padding:12px 14px;font-size:14px;font-family:inherit;color:var(--gray-800);resize:vertical;outline:none;transition:border-color .2s}
.qa-form textarea:focus,.qa-form input:focus{border-color:var(--primary)}
.qa-form .form-actions{display:flex;align-items:center;gap:16px}
.qa-msg{font-size:13px}
.qa-list .qa-loading,.qa-list .qa-empty{padding:30px 0;text-align:center;color:var(--gray-400);font-size:14px}
.qa-item{border:1px solid var(--gray-100);border-radius:var(--radius);padding:18px 20px;margin-bottom:16px;background:var(--gray-50)}
.qa-item:last-child{margin-bottom:0}
.qa-q{font-size:15px;color:var(--gray-800);font-weight:500;margin-bottom:12px;display:flex;gap:10px;align-items:flex-start}
.qa-a{font-size:14px;color:var(--gray-600);line-height:1.7;display:flex;gap:10px;align-items:flex-start}
.qa-tag{flex:0 0 auto;width:24px;height:24px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;color:#fff}
.qa-tag.q{background:var(--primary)}
.qa-tag.a{background:var(--success)}
.qa-by{margin-top:10px;font-size:12px;color:var(--gray-400);text-align:right}
.qa-head .btn{margin-top:18px}
.qa-text{flex:1;min-width:0;word-break:break-word}

/* 问答配图（列表展示） */
.qa-imgs{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 14px 34px}
.qa-imgs img{width:96px;height:96px;object-fit:cover;border-radius:var(--radius);border:1px solid var(--gray-200);cursor:pointer;transition:transform .15s}
.qa-imgs img:hover{transform:scale(1.04)}

/* 问答元信息 */
.qa-meta{display:flex;gap:16px;align-items:center;margin-top:12px;padding-top:10px;border-top:1px dashed var(--gray-200);font-size:12px;color:var(--gray-400)}

/* 问答列表纯文本排版 */
.qa-text{line-height:1.7;word-break:break-word}

/* ===== 互动问答页 v2（与新闻中心一致：hero + 灰底内容区 + 卡片列表 + 右侧搜索/导航） ===== */
.qa-page{max-width:1200px;margin:0 auto;padding:24px 0}
.qa-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:20px}
.qa-stat{font-size:13px;color:var(--gray-500)}
.qa-stat b{color:var(--primary);font-size:18px;font-weight:800;margin:0 3px}

.qa-layout{display:flex;gap:24px;align-items:flex-start}
.qa-aside{flex:0 0 264px;position:sticky;top:20px;display:flex;flex-direction:column;gap:14px}
.qa-search{position:relative}
.qa-search input{width:100%;box-sizing:border-box;border:1px solid var(--gray-200);border-radius:10px;padding:11px 14px 11px 36px;font-size:14px;color:var(--gray-800);outline:none;background:#fff;transition:border-color .2s,box-shadow .2s;font-family:inherit}
.qa-search input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(79,110,247,.12)}
.qa-search:before{content:"⌕";position:absolute;left:13px;top:50%;transform:translateY(-50%);font-size:16px;color:var(--gray-400)}
.qa-toc{background:#fff;border:1px solid var(--gray-100);border-radius:12px;padding:14px 10px;box-shadow:var(--shadow-sm)}
.qa-toc-title{font-size:12px;font-weight:700;color:var(--gray-400);letter-spacing:2px;margin:0 10px 8px}
.qa-toc-item{display:block;width:100%;text-align:left;background:none;border:0;padding:8px 10px;border-radius:8px;font-size:13.5px;color:var(--gray-600);cursor:pointer;line-height:1.5;font-family:inherit;transition:all .15s}
.qa-toc-item:hover{background:var(--gray-50);color:var(--primary)}
.qa-toc-item.active{background:var(--primary-light);color:var(--primary);font-weight:600}

.qa-main{flex:1;min-width:0}
.qa-list{display:flex;flex-direction:column;gap:16px}
.qa-list .qa-loading,.qa-list .qa-empty{padding:48px 0;text-align:center;color:var(--gray-400);font-size:14px;background:#fff;border:1px dashed var(--gray-200);border-radius:12px}
.qa-noresult{margin-top:16px;padding:32px 0;text-align:center;color:var(--gray-400);font-size:14px;background:#fff;border:1px dashed var(--gray-200);border-radius:12px}

.qa-item{background:#fff;border:1px solid var(--gray-100);border-radius:12px;padding:20px 22px;margin-bottom:0;box-shadow:0 1px 3px rgba(0,0,0,.08);scroll-margin-top:24px;transition:all .2s}
.qa-item:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(79,110,247,.12);border-color:var(--primary)}
.qa-q{display:flex;gap:12px;align-items:flex-start;margin-bottom:0}
.qa-q .qa-text{flex:1;font-size:16px;font-weight:700;color:var(--gray-900);line-height:1.6}
.qa-q-time{flex:0 0 auto;font-size:12px;color:var(--gray-400);white-space:nowrap;padding-top:4px}

.qa-tag{flex:0 0 auto;width:26px;height:26px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;color:#fff}
.qa-tag.q{background:linear-gradient(135deg,#4f6ef7,#818cf8)}
.qa-tag.a{background:linear-gradient(135deg,#22c55e,#16a34a)}

.qa-a-block{margin-top:14px;background:var(--gray-50);border-radius:10px;padding:14px 16px}
.qa-a-head{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.qa-a-label{font-size:12.5px;font-weight:600;color:var(--success)}
.qa-a-body{position:relative}
.qa-a-body p{margin:0 0 10px;font-size:14px;color:var(--gray-600);line-height:1.85}
.qa-a-body p:last-child{margin-bottom:0}
.qa-a-body.collapsed{max-height:190px;overflow:hidden}
.qa-a-body.collapsed:after{content:"";position:absolute;left:0;right:0;bottom:0;height:64px;background:linear-gradient(180deg,rgba(248,250,252,0),var(--gray-50))}
.qa-a-toggle{display:block;margin:10px auto 0;background:none;border:0;color:var(--primary);font-size:13px;font-weight:600;cursor:pointer;font-family:inherit;padding:4px 12px}
.qa-a-toggle:hover{text-decoration:underline}

.qa-meta{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-top:12px;padding-top:12px;border-top:1px dashed var(--gray-200);font-size:12px;color:var(--gray-400)}
.qa-meta a{color:var(--gray-400);text-decoration:none}
.qa-meta a:hover{color:var(--primary)}

.qa-cta{margin-top:24px;background:#fff;border:1px dashed var(--gray-200);border-radius:14px;padding:26px;text-align:center;font-size:14px;color:var(--gray-500)}
.qa-cta .btn{margin-left:12px;padding:9px 20px;font-size:14px}

@media (max-width:900px){
  .qa-layout{flex-direction:column}
  .qa-aside{position:static;flex:auto;width:100%;order:-1}
  .qa-toc{display:none}
  .qa-item{padding:18px 16px}
  .qa-q .qa-text{font-size:15px}
  .qa-a-block{padding:12px}
}

/* 报价页 */
.pricing-card{position:relative;background:#fff;border:1px solid var(--gray-200);border-radius:var(--radius-lg);padding:32px 28px;display:flex;flex-direction:column;box-shadow:var(--shadow-sm);transition:all .2s}

/* 导航栏下拉菜单（帮助文档等） */
.nav-dropdown{position:relative;display:inline-flex}
.nav-dropdown-menu{display:none;position:absolute;top:calc(100% + 8px);left:0;min-width:168px;background:#fff;border:1px solid var(--gray-200);border-radius:var(--radius);box-shadow:var(--shadow-md);padding:6px;z-index:50;flex-direction:column}
.nav-dropdown.open .nav-dropdown-menu{display:flex}
.nav-dropdown-menu a{padding:10px 14px;font-size:14px;color:var(--gray-700);border-radius:var(--radius-sm);text-decoration:none;white-space:nowrap}
.nav-dropdown-menu a:hover{background:var(--gray-50);color:var(--primary)}
.nav-dropdown-menu .dd-caret{font-size:11px;margin-left:4px;opacity:.6}
.pricing-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.pricing-card.featured{border-color:var(--primary);box-shadow:0 12px 32px rgba(79,110,247,.18)}
.pricing-badge{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--primary);color:#fff;font-size:12px;font-weight:600;padding:4px 14px;border-radius:12px}
.pricing-card h3{font-size:19px;font-weight:700;color:var(--gray-900);margin-bottom:14px}
.pricing-card .price{font-size:30px;font-weight:800;color:var(--gray-900);line-height:1.2}
.pricing-card .price-desc{font-size:13px;color:var(--gray-500);margin:6px 0 18px}
.pricing-feats{list-style:none;padding:0;margin:0 0 24px;flex:1}
.pricing-feats li{position:relative;padding:8px 0 8px 24px;font-size:14px;color:var(--gray-700);border-bottom:1px dashed var(--gray-100)}
.pricing-feats li:before{content:"✓";position:absolute;left:0;top:8px;color:var(--primary);font-weight:700}
.pricing-note{margin-top:36px;padding:20px 24px;background:var(--gray-50);border-radius:var(--radius);font-size:13px;color:var(--gray-600);line-height:1.7;text-align:center}
.pricing-note a{color:var(--primary)}


@media (max-width:768px){
  .qa-card{padding:20px}
  .qa-head h1{font-size:22px}
  .qa-imgs{margin-left:0}
  .qa-imgs img{width:80px;height:80px}
}