/* ═══════════════════════════════════════════════════════════
   岐伊传承健康共享服务院 · 设计系统
   依据《岐伊传承UI设计方案V1.0》色彩体系与适老化设计标准
   主品牌 #3D8B5F / 辅助浅绿 #E8F3E9 / 警示 #E8553A
   正文 #1A1B1C / 次要 #6B7280 / 页面背景 #F7F8F5
   ═══════════════════════════════════════════════════════════ */
:root{
  --brand:#3D8B5F; --brand-dark:#2F6E4B; --brand-deep:#265739;
  --brand-light:#E8F3E9; --brand-lighter:#F2F8F3;
  --warn:#E8553A; --warn-light:#FDECE8;
  --gold:#C9A063; --gold-light:#F7F0E3;
  --seal:#B03A2E;
  --text:#1A1B1C; --text-2:#6B7280; --text-3:#9CA3AF;
  --bg:#F7F8F5; --card:#FFFFFF; --line:#E5E7EB; --line-2:#EEF0EC;
  --radius-s:8px; --radius-m:12px; --radius-l:16px;
  --shadow-1:0 1px 3px rgba(26,27,28,.06),0 1px 2px rgba(26,27,28,.04);
  --shadow-2:0 4px 16px rgba(26,27,28,.08);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,"Helvetica Neue",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{font-family:var(--font);background:var(--bg);color:var(--text);font-size:14px;line-height:1.6}
button{font-family:var(--font);cursor:pointer;border:none;background:none}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
img{max-width:100%;display:block}
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-thumb{background:#D1D5DB;border-radius:4px}
::-webkit-scrollbar-track{background:transparent}

/* ─────────── 顶部全局导航 ─────────── */
.topbar{position:sticky;top:0;z-index:200;background:var(--card);border-bottom:1px solid var(--line);box-shadow:var(--shadow-1)}
.topbar-inner{max-width:1440px;margin:0 auto;display:flex;align-items:center;gap:20px;padding:0 20px;height:60px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-seal{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;background:var(--seal);color:#fff;font-size:11px;font-weight:700;line-height:1.15;border-radius:6px;letter-spacing:1px;text-align:center;padding:3px}
.brand-text strong{display:block;font-size:15px;color:var(--text)}
.brand-text em{display:block;font-size:11px;font-style:normal;color:var(--text-2)}
.role-switch{display:flex;gap:4px;background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:4px;margin:0 auto;overflow-x:auto}
.role-btn{padding:7px 16px;border-radius:8px;font-size:13px;color:var(--text-2);white-space:nowrap;transition:.15s;min-height:36px}
.role-btn:hover{color:var(--brand)}
.role-btn.active{background:var(--brand);color:#fff;font-weight:600;box-shadow:var(--shadow-1)}
.topbar-right{display:flex;align-items:center;gap:10px;flex-shrink:0}
.elder-btn{padding:7px 14px;border:1px solid var(--line);border-radius:8px;font-size:13px;color:var(--text-2);min-height:36px}
.elder-btn.on{background:var(--gold-light);border-color:var(--gold);color:#8A6A2F;font-weight:600}
.login-state{font-size:12px;color:var(--text-2);background:var(--bg);padding:6px 12px;border-radius:999px;border:1px solid var(--line)}

/* ─────────── 舞台布局 ─────────── */
.stage{min-height:calc(100vh - 60px)}
.stage.c-end{display:flex;justify-content:center;padding:28px 16px 48px;background:linear-gradient(180deg,#EDF3EE 0%,var(--bg) 320px)}
.stage.desktop{display:flex;min-height:calc(100vh - 60px)}

/* ─────────── C端：手机帧 ─────────── */
.phone{width:390px;height:800px;background:var(--bg);border-radius:36px;box-shadow:var(--shadow-2),0 0 0 10px #1a1b1c,0 0 0 12px #3a3a3a;position:relative;overflow:hidden;display:flex;flex-direction:column;flex-shrink:0}
.phone-notch{position:absolute;top:10px;left:50%;transform:translateX(-50%);width:110px;height:24px;background:#1a1b1c;border-radius:14px;z-index:50}
.phone-status{height:44px;display:flex;align-items:flex-end;justify-content:space-between;padding:0 26px 4px;font-size:12px;font-weight:600;color:var(--text);background:var(--card);flex-shrink:0}
.phone-body{flex:1;overflow-y:auto;overflow-x:hidden;position:relative;scrollbar-width:none}
.phone-body::-webkit-scrollbar{display:none}
.phone-tabbar{display:flex;background:var(--card);border-top:1px solid var(--line);padding:6px 0 14px;flex-shrink:0}
.phone-tabbar .tab{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;font-size:11px;color:var(--text-2);padding:4px 0;min-height:48px;justify-content:center}
.phone-tabbar .tab .ic{font-size:20px;line-height:1}
.phone-tabbar .tab.active{color:var(--brand);font-weight:600}

/* C端页面通用 */
.c-page{min-height:100%;padding-bottom:16px}
.c-hero{background:linear-gradient(160deg,var(--brand) 0%,var(--brand-dark) 100%);color:#fff;padding:18px 16px 22px;border-radius:0 0 20px 20px}
.c-section{margin:14px 14px 0;background:var(--card);border-radius:var(--radius-m);padding:14px;box-shadow:var(--shadow-1)}
.c-section-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.c-section-title h3{font-size:15px;display:flex;align-items:center;gap:6px}
.c-section-title h3::before{content:"";width:4px;height:14px;background:var(--brand);border-radius:2px}
.c-section-title .more{font-size:12px;color:var(--text-2)}
.c-grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.c-grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}

/* 底部固定操作栏（C端） */
.c-fixedbar{position:sticky;bottom:0;display:flex;gap:10px;padding:10px 14px calc(10px + env(safe-area-inset-bottom));background:var(--card);border-top:1px solid var(--line);z-index:30}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border-radius:10px;font-size:14px;font-weight:600;transition:.15s;min-height:44px;padding:0 18px}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark)}
.btn-warn{background:var(--warn);color:#fff}
.btn-warn:hover{background:#cf452c}
.btn-ghost{background:var(--brand-light);color:var(--brand-dark)}
.btn-outline{border:1px solid var(--line);color:var(--text-2);background:var(--card)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand)}
.btn-gold{background:var(--gold);color:#fff}
.btn-sm{min-height:36px;font-size:13px;padding:0 12px;border-radius:8px}
.btn-block{width:100%}
.btn:disabled{opacity:.5;cursor:not-allowed}

/* 标签 */
.tag{display:inline-flex;align-items:center;gap:3px;font-size:11px;padding:2px 8px;border-radius:999px;font-weight:500;line-height:1.5}
.tag-brand{background:var(--brand-light);color:var(--brand-dark)}
.tag-warn{background:var(--warn-light);color:var(--warn)}
.tag-gold{background:var(--gold-light);color:#8A6A2F}
.tag-gray{background:var(--bg);color:var(--text-2);border:1px solid var(--line)}
.tag-seal{background:var(--seal);color:#fff}

/* ─────────── 桌面端：后台布局 ─────────── */
.d-sidebar{width:216px;background:var(--card);border-right:1px solid var(--line);display:flex;flex-direction:column;flex-shrink:0;position:sticky;top:60px;height:calc(100vh - 60px);overflow-y:auto}
.d-logo{padding:16px 18px;border-bottom:1px solid var(--line-2);display:flex;align-items:center;gap:10px}
.d-logo .brand-seal{width:34px;height:34px;font-size:10px}
.d-logo b{font-size:14px;display:block;line-height:1.3}
.d-logo span{font-size:11px;color:var(--text-2)}
.d-nav{padding:10px 10px 20px;flex:1}
.d-nav-group{font-size:11px;color:var(--text-3);padding:14px 10px 6px;letter-spacing:1px}
.d-nav-item{display:flex;align-items:center;gap:9px;padding:10px 12px;border-radius:9px;font-size:13.5px;color:var(--text-2);margin-bottom:2px;transition:.15s;min-height:42px}
.d-nav-item .ic{font-size:16px;width:20px;text-align:center}
.d-nav-item:hover{background:var(--bg);color:var(--brand-dark)}
.d-nav-item.active{background:var(--brand-light);color:var(--brand-dark);font-weight:600}
.d-nav-item .dot{width:7px;height:7px;border-radius:50%;background:var(--warn);margin-left:auto}
.d-main{flex:1;min-width:0;display:flex;flex-direction:column}
.d-topbar{background:var(--card);border-bottom:1px solid var(--line);padding:14px 24px;display:flex;align-items:center;gap:14px;position:sticky;top:60px;z-index:50}
.d-topbar h2{font-size:17px}
.d-topbar .crumb{font-size:12px;color:var(--text-2)}
.d-topbar .spacer{flex:1}
.d-content{padding:22px 24px 48px;max-width:1200px;width:100%}

/* ─────────── 通用组件 ─────────── */
.panel{background:var(--card);border-radius:var(--radius-m);box-shadow:var(--shadow-1);padding:18px;margin-bottom:18px}
.panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;gap:12px;flex-wrap:wrap}
.panel-head h3{font-size:15.5px;display:flex;align-items:center;gap:7px}
.panel-head h3::before{content:"";width:4px;height:15px;background:var(--brand);border-radius:2px}
.panel-head .sub{font-size:12px;color:var(--text-2)}

.stat-row{display:grid;gap:14px;margin-bottom:18px}
.stat-row.cols4{grid-template-columns:repeat(4,1fr)}
.stat-row.cols5{grid-template-columns:repeat(5,1fr)}
.stat-row.cols3{grid-template-columns:repeat(3,1fr)}
.stat-card{background:var(--card);border-radius:var(--radius-m);box-shadow:var(--shadow-1);padding:16px;position:relative;overflow:hidden}
.stat-card .lb{font-size:12.5px;color:var(--text-2);margin-bottom:6px}
.stat-card .vl{font-size:24px;font-weight:700;color:var(--text)}
.stat-card .trend{font-size:11.5px;margin-top:6px}
.stat-card .trend.up{color:var(--brand)}
.stat-card .trend.down{color:var(--warn)}
.stat-card::after{content:"";position:absolute;right:-14px;top:-14px;width:64px;height:64px;border-radius:50%;background:var(--brand-lighter)}
.stat-card.warn::after{background:var(--warn-light)}
.stat-card.gold::after{background:var(--gold-light)}

.table-wrap{overflow-x:auto;border-radius:var(--radius-s);border:1px solid var(--line-2)}
table.tb{width:100%;border-collapse:collapse;font-size:13px;background:var(--card);min-width:640px}
.tb th{background:var(--bg);text-align:left;padding:10px 12px;font-weight:600;color:var(--text-2);white-space:nowrap;border-bottom:1px solid var(--line)}
.tb td{padding:11px 12px;border-bottom:1px solid var(--line-2);vertical-align:middle}
.tb tr:last-child td{border-bottom:none}
.tb tr:hover td{background:#FAFBF9}
.tb .acts{display:flex;gap:6px;flex-wrap:wrap}
.lk{color:var(--brand);font-size:12.5px;font-weight:500;padding:2px 4px;border-radius:4px}
.lk:hover{background:var(--brand-light)}
.lk.danger{color:var(--warn)}
.lk.danger:hover{background:var(--warn-light)}

.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:16px;overflow-x:auto}
.tabs .tp{padding:9px 15px;font-size:13.5px;color:var(--text-2);border-bottom:2px solid transparent;margin-bottom:-1px;white-space:nowrap;min-height:40px}
.tabs .tp.active{color:var(--brand-dark);border-bottom-color:var(--brand);font-weight:600}

.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{padding:6px 13px;border-radius:999px;background:var(--card);border:1px solid var(--line);font-size:12.5px;color:var(--text-2);min-height:34px;display:inline-flex;align-items:center}
.chip.active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:500}

.form-row{margin-bottom:16px}
.form-row label{display:block;font-size:13px;font-weight:600;margin-bottom:7px}
.form-row label .req{color:var(--warn)}
.input,.select,textarea.input{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:9px;font-size:14px;font-family:var(--font);background:var(--card);color:var(--text);transition:.15s;min-height:44px}
.input:focus,.select:focus,textarea.input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-light)}
textarea.input{min-height:88px;resize:vertical}
.form-tip{font-size:12px;color:var(--text-2);margin-top:6px}
.form-err{font-size:12px;color:var(--warn);margin-top:6px;display:none}
.form-err.show{display:block}

.progress{height:8px;background:var(--line-2);border-radius:999px;overflow:hidden}
.progress > i{display:block;height:100%;background:linear-gradient(90deg,var(--brand),var(--brand-dark));border-radius:999px}
.progress.gold > i{background:linear-gradient(90deg,var(--gold),#B08A4A)}

.banner{border-radius:var(--radius-m);padding:18px 20px;position:relative;overflow:hidden;margin-bottom:18px}
.banner.green{background:linear-gradient(120deg,var(--brand) 0%,var(--brand-deep) 100%);color:#fff}
.banner.gold{background:linear-gradient(120deg,#D9B978 0%,#B08A4A 100%);color:#fff}
.banner h4{font-size:17px;margin-bottom:6px}
.banner p{font-size:13px;opacity:.92}

.timeline{position:relative;padding-left:22px}
.timeline::before{content:"";position:absolute;left:6px;top:6px;bottom:6px;width:2px;background:var(--line)}
.timeline .tl-item{position:relative;padding:0 0 16px 12px}
.timeline .tl-item::before{content:"";position:absolute;left:-21px;top:5px;width:11px;height:11px;border-radius:50%;background:var(--brand);border:2.5px solid var(--brand-light)}
.timeline .tl-item .t{font-size:12px;color:var(--text-3)}
.timeline .tl-item .d{font-size:13px;margin-top:2px}

.flow-steps{display:flex;align-items:stretch;gap:0;overflow-x:auto;padding:4px 0}
.flow-steps .fs{flex:1;min-width:120px;text-align:center;position:relative;padding:12px 8px;background:var(--bg);border-radius:9px;margin-right:26px;font-size:12.5px}
.flow-steps .fs:last-child{margin-right:0}
.flow-steps .fs::after{content:"›";position:absolute;right:-19px;top:50%;transform:translateY(-50%);font-size:20px;color:var(--text-3);font-weight:700}
.flow-steps .fs:last-child::after{display:none}
.flow-steps .fs b{display:block;font-size:13px;margin-bottom:3px;color:var(--brand-dark)}
.flow-steps .fs.done{background:var(--brand-light)}
.flow-steps .fs.doing{background:var(--brand);color:#fff}
.flow-steps .fs.doing b{color:#fff}
.flow-steps .fs.todo{opacity:.65}

.empty{padding:44px 20px;text-align:center;color:var(--text-3);font-size:13px}
.empty .ic{font-size:38px;display:block;margin-bottom:10px;opacity:.5}

.badge-num{display:inline-flex;align-items:center;justify-content:center;min-width:18px;height:18px;padding:0 5px;border-radius:999px;background:var(--warn);color:#fff;font-size:11px;font-weight:600}

/* ─────────── 弹层 / 提示 ─────────── */
.modal-mask{position:fixed;inset:0;background:rgba(26,27,28,.45);z-index:500;display:flex;align-items:center;justify-content:center;padding:20px;backdrop-filter:blur(2px)}
.modal-mask[hidden]{display:none}
.modal-box{background:var(--card);border-radius:var(--radius-l);width:520px;max-width:100%;max-height:86vh;overflow-y:auto;box-shadow:0 20px 60px rgba(0,0,0,.2)}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--line-2)}
.modal-head h3{font-size:16px}
.modal-close{font-size:20px;color:var(--text-3);width:34px;height:34px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center}
.modal-close:hover{background:var(--bg);color:var(--text)}
.modal-body{padding:20px}
.modal-foot{padding:14px 20px;border-top:1px solid var(--line-2);display:flex;justify-content:flex-end;gap:10px}

.toast-wrap{position:fixed;top:76px;left:50%;transform:translateX(-50%);z-index:600;display:flex;flex-direction:column;gap:8px;align-items:center}
.toast{background:var(--text);color:#fff;padding:10px 18px;border-radius:10px;font-size:13px;box-shadow:var(--shadow-2);animation:toastIn .25s ease;max-width:80vw}
.toast.ok{background:var(--brand-dark)}
.toast.err{background:var(--warn)}
@keyframes toastIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}

/* ─────────── 业务特色组件 ─────────── */
/* 金刚区（C端首页） */
.kingkong{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.kk-item{display:flex;flex-direction:column;align-items:center;gap:6px;padding:12px 4px;border-radius:var(--radius-m);background:var(--card);box-shadow:var(--shadow-1);min-height:84px;justify-content:center;transition:.15s}
.kk-item:active{transform:scale(.96)}
.kk-item .ic{width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:20px}
.kk-item span{font-size:12px;font-weight:500;text-align:center;line-height:1.3}

/* 课程/服务卡片 */
.course-card{background:var(--card);border-radius:var(--radius-m);box-shadow:var(--shadow-1);overflow:hidden;transition:.15s;cursor:pointer}
.course-card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px)}
.course-card .cover{height:104px;position:relative;display:flex;align-items:center;justify-content:center;font-size:34px;color:#fff}
.course-card .cover .tag{position:absolute;left:8px;top:8px}
.course-card .info{padding:10px 12px 12px}
.course-card .info h4{font-size:13.5px;line-height:1.4;margin-bottom:4px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.course-card .meta{font-size:11.5px;color:var(--text-2);margin-bottom:6px}
.course-card .price{color:var(--warn);font-weight:700;font-size:16px}
.course-card .price small{font-size:11px;font-weight:400;color:var(--text-3);text-decoration:line-through;margin-left:4px}
.course-card .sold{font-size:11px;color:var(--text-3);margin-left:auto}

/* 对话（监管） */
.chat-box{background:var(--bg);border-radius:var(--radius-m);border:1px solid var(--line-2);display:flex;flex-direction:column;height:460px}
.chat-head{padding:11px 14px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:9px;font-size:13.5px;font-weight:600;background:var(--card);border-radius:var(--radius-m) var(--radius-m) 0 0}
.chat-body{flex:1;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:10px}
.msg{max-width:78%;padding:9px 12px;border-radius:12px;font-size:13px;line-height:1.55;position:relative}
.msg .who{font-size:11px;color:var(--text-3);margin-bottom:3px}
.msg.left{align-self:flex-start;background:var(--card);border:1px solid var(--line-2);border-top-left-radius:3px}
.msg.right{align-self:flex-end;background:var(--brand);color:#fff;border-top-right-radius:3px}
.msg.voice{display:flex;align-items:center;gap:8px;min-width:150px}
.msg .wave{display:flex;align-items:center;gap:2px;height:14px}
.msg .wave i{width:3px;background:currentColor;border-radius:2px;opacity:.75}
.chat-input{display:flex;gap:8px;padding:10px 12px;border-top:1px solid var(--line);background:var(--card);border-radius:0 0 var(--radius-m) var(--radius-m)}
.chat-input .input{min-height:40px}

/* 录音/语音转文字 */
.audio-row{display:flex;align-items:center;gap:10px;padding:10px 12px;background:var(--card);border:1px solid var(--line-2);border-radius:10px;margin-bottom:8px}
.audio-row .play{width:34px;height:34px;border-radius:50%;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-size:13px;flex-shrink:0}
.audio-row .a-info{flex:1;min-width:0}
.audio-row .a-info .n{font-size:12.5px;font-weight:600}
.audio-row .a-info .d{font-size:11px;color:var(--text-2)}
.audio-row .dur{font-size:11.5px;color:var(--text-3)}
.transcript{background:var(--gold-light);border:1px dashed var(--gold);border-radius:10px;padding:12px 14px;font-size:12.5px;color:#6B5A33;margin-top:8px;line-height:1.7}
.transcript b{color:#8A6A2F}

/* 订单状态流转 */
.order-track{display:flex;align-items:center;gap:0;padding:16px 6px;overflow-x:auto}
.order-track .ot{display:flex;flex-direction:column;align-items:center;gap:5px;min-width:76px;position:relative;font-size:11.5px;color:var(--text-3)}
.order-track .ot .circle{width:26px;height:26px;border-radius:50%;background:var(--line-2);display:flex;align-items:center;justify-content:center;font-size:12px;color:var(--text-3);border:2px solid transparent}
.order-track .ot::after{content:"";position:absolute;top:13px;left:calc(50% + 17px);right:calc(-50% + 17px);height:2px;background:var(--line-2)}
.order-track .ot:last-child::after{display:none}
.order-track .ot.done{color:var(--brand-dark);font-weight:600}
.order-track .ot.done .circle{background:var(--brand);color:#fff}
.order-track .ot.done::after{background:var(--brand)}
.order-track .ot.now{color:var(--warn);font-weight:700}
.order-track .ot.now .circle{background:var(--warn);color:#fff;box-shadow:0 0 0 4px var(--warn-light)}

/* 评价星级 */
.stars{color:var(--gold);letter-spacing:2px;font-size:14px}
.stars .off{color:var(--line)}

/* 二维码（核销码模拟） */
.qrcode-mock{width:168px;height:168px;margin:0 auto;background:#fff;border:6px solid #fff;border-radius:12px;box-shadow:var(--shadow-2);display:grid;grid-template-columns:repeat(9,1fr);grid-template-rows:repeat(9,1fr);padding:8px;gap:2px}
.qrcode-mock i{background:#1A1B1C;border-radius:1px}
.qrcode-mock i.off{background:transparent}

/* 支付弹窗 */
.pay-amount{text-align:center;padding:8px 0 18px}
.pay-amount .num{font-size:34px;font-weight:700;color:var(--text)}
.pay-amount .num::before{content:"¥";font-size:18px;margin-right:2px}
.pay-method{display:flex;align-items:center;gap:12px;padding:14px;border:1.5px solid var(--brand);border-radius:12px;background:var(--brand-lighter)}
.pay-method .wx{width:38px;height:38px;border-radius:9px;background:#07C160;color:#fff;display:flex;align-items:center;justify-content:center;font-size:19px;font-weight:700}
.pay-method b{font-size:14px}
.pay-method small{display:block;color:var(--text-2);font-size:11.5px}

/* 三端标签 */
.end-tag{display:inline-flex;align-items:center;gap:4px;font-size:11px;padding:2px 9px;border-radius:6px;font-weight:600}
.end-tag.patient{background:#E8F0FE;color:#1D4ED8}
.end-tag.hm{background:var(--brand-light);color:var(--brand-dark)}
.end-tag.org{background:#F3E8FD;color:#7C3AED}

/* ─────────── 适老化模式 ─────────── */
body.elder{font-size:16px}
body.elder .stage{font-size:16px}
body.elder .tb{font-size:15px}
body.elder .tb td,body.elder .tb th{padding:13px 12px}
body.elder .stat-card .vl{font-size:27px}
body.elder .btn{min-height:48px;font-size:15.5px}
body.elder .d-nav-item{min-height:48px;font-size:15px}
body.elder .kk-item span{font-size:13.5px}
body.elder .course-card .info h4{font-size:15px}
body.elder .phone{width:420px;height:860px}
body.elder .msg{font-size:15px}

/* ─────────── 响应式 ─────────── */
@media (max-width:1080px){
  .stat-row.cols5{grid-template-columns:repeat(3,1fr)}
  .stat-row.cols4{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:860px){
  .topbar-inner{flex-wrap:wrap;height:auto;padding:10px 14px;gap:10px}
  .role-switch{order:3;width:100%;margin:0}
  .d-sidebar{display:none}
  .stage.desktop{flex-direction:column}
  .stat-row.cols5,.stat-row.cols4,.stat-row.cols3{grid-template-columns:repeat(2,1fr)}
}