/* ============ 顺源Agent · 设计系统 ============ */
:root{
  --bg:#070B12;
  --bg-2:#0A1018;
  --panel:rgba(255,255,255,.038);
  --panel-2:rgba(255,255,255,.055);
  --line:rgba(255,255,255,.075);
  --line-2:rgba(255,255,255,.12);
  --text:#E9EFF8;
  --text-2:#A9B8CC;
  --muted:#7C8CA3;
  --brand:#2EE6B0;
  --brand-dim:rgba(46,230,176,.14);
  --blue:#7C9BFF;
  --gold:#F5C66B;
  --red:#FF7A7A;
  --r-lg:22px;
  --r-md:16px;
  --r-sm:11px;
  --shadow:0 24px 60px -25px rgba(0,0,0,.85);
  --ease:cubic-bezier(.22,.61,.36,1);
  --sidebar-w:264px;
  --aside-w:308px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Helvetica Neue",Helvetica,Arial,sans-serif;
}

*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{height:100%}
body{
  margin:0;font-family:var(--font);color:var(--text);background:var(--bg);
  font-size:15px;line-height:1.65;overflow:hidden;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,textarea{font-family:inherit;font-size:inherit;color:inherit}
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,.11);border-radius:8px}
::-webkit-scrollbar-thumb:hover{background:rgba(255,255,255,.2)}
::-webkit-scrollbar-track{background:transparent}

/* ============ 背景 ============ */
.bg-layer{position:fixed;inset:0;z-index:0;overflow:hidden;pointer-events:none}
.bg-layer::after{content:"";position:absolute;inset:0;background:
  radial-gradient(120% 90% at 50% -20%,rgba(46,230,176,.07),transparent 60%),
  radial-gradient(100% 70% at 100% 20%,rgba(124,155,255,.07),transparent 60%);}
.glow{position:absolute;border-radius:50%;filter:blur(90px);opacity:.32}
.g1{width:620px;height:620px;background:#12b894;top:-260px;left:-120px}
.g2{width:540px;height:540px;background:#3f5bff;bottom:-260px;right:-140px;opacity:.22}
.g3{width:420px;height:420px;background:#f0b45a;top:38%;left:52%;opacity:.09}
.grid-lines{position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),
  linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(120% 80% at 50% 0%,#000,transparent 85%);}

/* ============ 布局 ============ */
.app{position:relative;z-index:1;display:flex;height:100vh;height:100dvh;
  max-width:1560px;margin:0 auto;gap:16px;padding:16px}
.app{padding:16px}
.sidebar,.aside,.main{height:100%}
.main{flex:1;min-width:0;display:flex;flex-direction:column;min-height:0}
.sidebar{width:var(--sidebar-w);flex:0 0 var(--sidebar-w)}
.aside{width:var(--aside-w);flex:0 0 var(--aside-w);overflow-y:auto;padding-right:2px}

/* ============ 侧边栏 ============ */
.sidebar{
  display:flex;flex-direction:column;gap:6px;padding:20px 16px;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);
  backdrop-filter:blur(26px);-webkit-backdrop-filter:blur(26px);box-shadow:var(--shadow);
}
.brand{display:flex;align-items:center;gap:11px;padding:4px 4px 16px;border-bottom:1px solid var(--line)}
.brand-logo{width:40px;height:40px;flex:0 0 40px;border-radius:12px;display:grid;place-items:center;color:var(--brand);
  background:linear-gradient(150deg,rgba(46,230,176,.2),rgba(46,230,176,.04));border:1px solid rgba(46,230,176,.28);
  box-shadow:0 0 22px -6px rgba(46,230,176,.45)}
.brand-logo svg{width:23px;height:23px}
.brand-text{display:flex;flex-direction:column;line-height:1.25;min-width:0}
.brand-text strong{font-size:16px;letter-spacing:.4px}
.brand-text span{font-size:11px;color:var(--muted);letter-spacing:.5px}

.nav{display:flex;flex-direction:column;gap:3px;padding:14px 0}
.nav-item{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:var(--r-sm);
  color:var(--text-2);font-size:14px;transition:.22s var(--ease);text-align:left;width:100%}
.nav-item svg{width:19px;height:19px;flex:0 0 19px;opacity:.85}
.nav-item:hover{background:var(--panel-2);color:var(--text)}
.nav-item.active{background:linear-gradient(100deg,rgba(46,230,176,.16),rgba(46,230,176,.03));
  color:var(--brand);box-shadow:inset 0 0 0 1px rgba(46,230,176,.2)}

.side-quota{margin-top:auto;background:var(--panel-2);border:1px solid var(--line);
  border-radius:var(--r-md);padding:15px;display:flex;flex-direction:column;gap:9px}
.quota-row{display:flex;justify-content:space-between;font-size:13px;color:var(--muted)}
.quota-row b{color:var(--text);font-size:15px;font-variant-numeric:tabular-nums}
.btn-gold{background:linear-gradient(120deg,#F7D08A,#E8A93F);color:#3A2A0A;font-weight:600;
  padding:10px 18px;border-radius:var(--r-sm);transition:.22s var(--ease);font-size:14px}
.btn-gold:hover{transform:translateY(-1px);box-shadow:0 10px 26px -10px rgba(245,198,107,.65)}
.btn-gold.full{width:100%}
.tip{font-size:11px;color:var(--muted);line-height:1.5;margin:2px 0 0}
.side-foot{margin-top:14px;padding-top:14px;border-top:1px solid var(--line);font-size:11px;color:var(--muted);line-height:1.7}
.side-foot p{margin:0}

.icon-btn{width:36px;height:36px;display:grid;place-items:center;border-radius:10px;
  color:var(--text-2);transition:.2s var(--ease)}
.icon-btn svg{width:19px;height:19px}
.icon-btn:hover{background:var(--panel-2);color:var(--text)}
.only-mobile{display:none}

/* ============ 顶栏 ============ */
.topbar{display:flex;align-items:center;gap:14px;padding:2px 4px 14px;flex:0 0 auto}
.topbar-title{flex:1;min-width:0;display:flex;align-items:baseline;gap:10px}
.topbar-title h1{margin:0;font-size:18px;font-weight:600;letter-spacing:.3px;white-space:nowrap;
  overflow:hidden;text-overflow:ellipsis}
.dot-status{display:inline-flex;align-items:center;gap:5px;font-size:11px;color:var(--muted)}
.dot-status i{width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 8px var(--brand)}
.topbar-right{display:flex;align-items:center;gap:8px}
.chip-quota{display:flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;
  background:var(--panel-2);border:1px solid var(--line);font-size:13px;font-variant-numeric:tabular-nums}
.chip-quota b{font-weight:600}
.chip-quota .coin{width:13px;height:13px;border-radius:50%;
  background:linear-gradient(140deg,#F7D08A,#E3A637);display:inline-block}
.chip-quota.free{color:var(--brand);border-color:rgba(46,230,176,.24);background:rgba(46,230,176,.09)}
.chip-quota.free span{font-size:11px;opacity:.8}
.chip-quota b{margin-right:2px}

/* ============ 视图 ============ */
.view{display:none;flex:1;min-height:0;flex-direction:column}
.view.active{display:flex}

/* ============ 聊天 ============ */
.chat-scroll{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;
  padding:6px 4px 26px;scroll-behavior:smooth}
.welcome{padding:34px 6px 26px;max-width:660px;margin:0 auto}
.welcome-badge{display:inline-block;font-size:11px;letter-spacing:1.4px;color:var(--brand);
  padding:5px 12px;border-radius:999px;border:1px solid rgba(46,230,176,.28);background:rgba(46,230,176,.08);margin-bottom:18px}
.welcome h2{margin:0 0 14px;font-size:31px;line-height:1.35;font-weight:600;letter-spacing:-.4px}
.welcome h2 br{display:block}
.welcome p{margin:0 0 26px;color:var(--text-2);font-size:14.5px}
.welcome-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.welcome-stats div{background:var(--panel);border:1px solid var(--line);border-radius:var(--r-md);
  padding:15px 12px;text-align:center}
.welcome-stats b{display:block;font-size:22px;font-weight:600;color:var(--brand);font-variant-numeric:tabular-nums}
.welcome-stats span{font-size:11.5px;color:var(--muted)}

.messages{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:18px}
.msg{display:flex;gap:12px;animation:rise .42s var(--ease) both}
@keyframes rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.msg-user{justify-content:flex-end}
.msg-user .bubble{background:linear-gradient(120deg,rgba(46,230,176,.2),rgba(46,230,176,.09));
  border:1px solid rgba(46,230,176,.26);border-radius:16px 16px 5px 16px}
.avatar{width:32px;height:32px;flex:0 0 32px;border-radius:10px;display:grid;place-items:center;
  font-size:12px;font-weight:600;border:1px solid var(--line);background:var(--panel-2);color:var(--brand)}
.msg-user .avatar{background:var(--panel);color:var(--text-2)}
.bubble{max-width:min(78%,640px);padding:13px 16px;border-radius:16px 16px 16px 5px;
  background:var(--panel-2);border:1px solid var(--line);font-size:14.5px;line-height:1.75;
  overflow-wrap:anywhere;white-space:pre-wrap}
.answer-wrap{max-width:820px;width:100%}
.answer .bubble{width:100%;border-radius:16px;background:var(--panel);border:1px solid var(--line);
  padding:16px 18px;line-height:1.8}
.bubble .caret{display:inline-block;width:7px;height:15px;vertical-align:-2px;margin-left:2px;
  background:var(--brand);animation:blink 1s steps(2) infinite;border-radius:1px}
@keyframes blink{50%{opacity:0}}
.caret-line{display:block;height:19px}

.sources{margin-top:12px;border-top:1px dashed var(--line-2);padding-top:11px}
.source-item{display:flex;align-items:center;gap:9px;padding:7px 10px;border-radius:9px;
  background:rgba(255,255,255,.028);font-size:12.5px;color:var(--text-2)}
.source-item + .source-item{margin-top:5px}
.source-item i{width:6px;height:6px;border-radius:50%;background:var(--brand);flex:0 0 6px;opacity:.85}
.source-item em{font-style:normal;color:var(--muted);font-size:11px;
  border:1px solid var(--line);padding:1px 7px;border-radius:5px}
.sources-title{font-size:11px;color:var(--muted);letter-spacing:.6px;margin-bottom:7px}

/* Markdown 渲染 */
.md{white-space:normal;overflow-wrap:anywhere}
.md h1,.md h2,.md h3{font-size:15.5px;margin:14px 0 7px;font-weight:600;color:var(--text)}
.md h1:first-child,.md h2:first-child,.md h3:first-child{margin-top:0}
.md p{margin:8px 0}
.md ul,.md ol{margin:8px 0;padding-left:20px}
.md li{margin:4px 0}
.md li::marker{color:var(--brand)}
.md strong{color:#fff;font-weight:600}
.md code{background:rgba(255,255,255,.09);padding:1px 6px;border-radius:5px;font-size:13px;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:var(--gold)}
.md hr{border:0;border-top:1px solid var(--line);margin:14px 0}
.md blockquote{margin:10px 0;padding:8px 14px;border-left:2px solid var(--brand);
  background:rgba(46,230,176,.06);border-radius:0 8px 8px 0;color:var(--text-2)}
.md pre{background:rgba(0,0,0,.35);border:1px solid var(--line);border-radius:10px;
  padding:11px 14px;overflow-x:auto;font-size:12.5px;line-height:1.6;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:var(--text-2);margin:10px 0}
.md a{color:var(--brand);border-bottom:1px solid rgba(46,230,176,.3)}

/* ============ 输入区 ============ */
.composer-wrap{flex:0 0 auto;padding:12px 4px 4px;max-width:860px;width:100%;margin:0 auto}
.suggest{display:flex;gap:8px;overflow-x:auto;padding:2px 2px 10px;scrollbar-width:none}
.suggest::-webkit-scrollbar{display:none}
.suggest button{flex:0 0 auto;padding:7px 13px;border-radius:999px;font-size:12.5px;
  background:var(--panel);border:1px solid var(--line);color:var(--text-2);transition:.2s var(--ease)}
.suggest button:hover{border-color:rgba(46,230,176,.35);color:var(--brand);
  background:rgba(46,230,176,.08);transform:translateY(-1px)}
.composer{display:flex;align-items:flex-end;gap:10px;padding:9px 9px 9px 16px;border-radius:20px;
  background:var(--panel-2);border:1px solid var(--line-2);transition:.25s var(--ease);
  box-shadow:0 18px 40px -26px rgba(0,0,0,.9)}
.composer:focus-within{border-color:rgba(46,230,176,.4);box-shadow:0 0 0 4px rgba(46,230,176,.08),0 18px 40px -26px #000}
.composer textarea{flex:1;border:0;background:none;resize:none;outline:none;max-height:148px;
  line-height:1.6;padding:8px 0;min-height:24px}
.composer textarea::placeholder{color:var(--muted)}
.send{width:38px;height:38px;flex:0 0 38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(130deg,#2EE6B0,#12b894);color:#04211a;transition:.22s var(--ease)}
.send svg{width:18px;height:18px}
.send:hover{transform:translateY(-1px);box-shadow:0 10px 24px -8px rgba(46,230,176,.7)}
.send.busy{background:rgba(255,255,255,.1);color:var(--muted);pointer-events:none}
.composer-hint{text-align:center;font-size:11px;color:var(--muted);margin:9px 0 0}

/* ============ 知识库视图 ============ */
.view-kb,.view-account{overflow-y:auto;padding:8px 4px 40px}
.kb-wrap,.acct-wrap{max-width:860px;margin:0 auto}
.kb-head h2{margin:6px 0 8px;font-size:22px;font-weight:600}
.kb-head p{margin:0 0 18px;color:var(--text-2);font-size:14px}
.kb-search{width:100%;padding:12px 16px;border-radius:var(--r-md);background:var(--panel-2);
  border:1px solid var(--line);outline:none;transition:.2s}
.kb-search:focus{border-color:rgba(46,230,176,.4)}
.kb-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(258px,1fr));gap:12px;margin-top:18px}
.kb-item{padding:15px;border-radius:var(--r-md);background:var(--panel);border:1px solid var(--line);
  transition:.25s var(--ease);text-align:left}
.kb-item:hover{border-color:rgba(46,230,176,.3);transform:translateY(-2px);background:var(--panel-2)}
.kb-item em{font-style:normal;font-size:11px;color:var(--brand);letter-spacing:.5px}
.kb-item h4{margin:7px 0 6px;font-size:14.5px;font-weight:600;line-height:1.5}
.kb-item p{margin:0;font-size:12.5px;color:var(--muted);line-height:1.6;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ============ 账户视图 ============ */
.acct-card{display:flex;gap:26px;flex-wrap:wrap;align-items:center;padding:24px;border-radius:var(--r-lg);
  background:var(--panel);border:1px solid var(--line);margin-top:8px}
.acct-left{flex:1;min-width:250px}
.acct-left h2{margin:0 0 8px;font-size:19px;font-weight:600}
.big-num{display:flex;align-items:baseline;gap:7px;margin:6px 0 8px}
.big-num b{font-size:42px;font-weight:600;color:var(--brand);line-height:1;font-variant-numeric:tabular-nums;
  text-shadow:0 0 34px rgba(46,230,176,.35)}
.big-num span{font-size:14px;color:var(--muted)}
.acct-left p{color:var(--text-2);font-size:13px;margin:0 0 18px}
.acct-right{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;flex:1.2;min-width:260px}
.mini{background:var(--panel-2);border:1px solid var(--line);border-radius:var(--r-md);padding:13px 15px}
.mini span{display:block;font-size:11.5px;color:var(--muted);margin-bottom:4px}
.mini b{font-size:17px;font-weight:600;font-variant-numeric:tabular-nums}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12.5px!important}
.pkg-title{margin:26px 0 12px;font-size:16px;font-weight:600}
.pkg-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(178px,1fr));gap:12px}
.pkg{position:relative;padding:16px;border-radius:var(--r-md);background:var(--panel);
  border:1px solid var(--line);transition:.25s var(--ease);text-align:left;width:100%}
.pkg:hover{border-color:rgba(46,230,176,.35);transform:translateY(-2px)}
.pkg.best{border-color:rgba(245,198,107,.4);background:linear-gradient(160deg,rgba(245,198,107,.1),rgba(255,255,255,.03))}
.pkg .flag{position:absolute;top:-9px;right:12px;font-size:10.5px;padding:2px 9px;border-radius:999px;
  background:linear-gradient(120deg,#F7D08A,#E8A93F);color:#3A2A0A;font-weight:600}
.pkg h4{margin:0 0 5px;font-size:14px;font-weight:600}
.pkg .price{font-size:24px;font-weight:600;color:var(--gold);font-variant-numeric:tabular-nums}
.pkg .price small{font-size:12px;color:var(--muted);font-weight:400;margin-left:2px}
.pkg .pts{margin-top:6px;font-size:12.5px;color:var(--brand)}
.pkg .bonus{font-size:11.5px;color:var(--muted);margin-top:3px}
.rule-card{margin-top:26px;padding:20px;border-radius:var(--r-lg);background:var(--panel);border:1px solid var(--line)}
.rule-card h3{margin:0 0 10px;font-size:15px}
.rule-card ul{margin:0;padding-left:18px;color:var(--text-2);font-size:13.5px}
.rule-card li{margin:6px 0}

/* ============ 右侧栏 ============ */
.aside-card{padding:18px;border-radius:var(--r-md);background:var(--panel);border:1px solid var(--line);margin-bottom:12px}
.aside-card h3{margin:0 0 12px;font-size:13.5px;letter-spacing:.4px;color:var(--text-2)}
.aside-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px}
.aside-list li{font-size:13px;color:var(--text-2);display:flex;gap:9px;align-items:flex-start}
.aside-list span{font-size:14px;line-height:1.3}
.contact p{margin:0 0 9px;font-size:13px;color:var(--text-2);display:flex;gap:9px}
.contact a{color:var(--brand)}
.aside-note{font-size:11px;color:var(--muted);line-height:1.7;padding:0 6px}

/* ============ 弹层 ============ */
.modal{position:fixed;inset:0;z-index:60;display:none;align-items:center;justify-content:center;padding:20px}
.modal.show{display:flex}
.modal-mask{position:absolute;inset:0;background:rgba(3,6,12,.72);backdrop-filter:blur(6px);animation:fade .3s}
@keyframes fade{from{opacity:0}to{opacity:1}}
.modal-box{position:relative;width:min(560px,100%);max-height:88vh;overflow-y:auto;
  background:linear-gradient(165deg,#101927,#0A1018);border:1px solid var(--line-2);
  border-radius:24px;box-shadow:0 40px 90px -30px #000;animation:pop .34s var(--ease);padding:26px}
@keyframes pop{from{opacity:0;transform:translateY(18px) scale(.97)}to{opacity:1;transform:none}}
.modal-x{position:absolute;top:14px;right:14px;width:32px;height:32px;border-radius:9px;
  display:grid;place-items:center;color:var(--muted)}
.modal-x svg{width:16px;height:16px}
.modal-x:hover{background:var(--panel-2);color:var(--text)}
.modal-head h2{margin:0 0 6px;font-size:20px;font-weight:600}
.modal-head p{margin:0 0 20px;font-size:13px;color:var(--muted)}
.modal-body #pkgList{margin-bottom:6px}
.tag-pay{font-size:11px;padding:3px 10px;border-radius:999px;background:rgba(46,230,176,.12);
  color:var(--brand);border:1px solid rgba(46,230,176,.25)}
.order-box{margin-top:6px;padding:18px;border-radius:var(--r-md);background:var(--panel-2);border:1px solid var(--line)}
.order-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.order-head h3{margin:0;font-size:15.5px}
.order-info div{display:flex;justify-content:space-between;padding:7px 0;border-bottom:1px dashed var(--line);font-size:13px}
.order-info span{color:var(--muted)}
.status-pending{color:var(--gold)}
.status-paid{color:var(--brand)}
.order-qr{display:flex;gap:16px;align-items:flex-start;margin-top:14px}
.order-qr .qr-main{display:flex;flex-direction:column;align-items:center;gap:6px}
.order-qr img{width:126px;height:126px;border-radius:14px;background:#fff;padding:7px}
.qr-count{font-size:11px;color:var(--muted);letter-spacing:.4px}
.qr-text{flex:1;min-width:0}
.order-qr .qr-text strong{font-size:13.5px;display:block;margin-bottom:4px}
.order-qr .qr-text p{margin:0;font-size:11.5px;color:var(--muted);line-height:1.6}
.order-tip{margin:12px 0 0;font-size:11.5px;color:var(--muted);text-align:center}
.btn-alipay{
  display:inline-block;margin-top:10px;width:100%;padding:9px 16px;border:0;border-radius:11px;
  background:linear-gradient(135deg,#1677FF,#00A0FF);color:#fff;font-size:13.5px;font-weight:600;
  cursor:pointer;transition:.25s var(--ease);text-align:center;
}
.btn-alipay:hover{filter:brightness(1.07)}
.btn-alipay:active{transform:scale(.985)}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}

/* ============ 跳转支付（电脑网站 / 手机网站） ============ */
.pay-redirect{
  display:flex;flex-direction:column;align-items:center;text-align:center;
  padding:20px 18px 18px;border-radius:16px;
  background:rgba(22,119,255,.07);border:1px solid rgba(22,119,255,.22);
}
.pr-ico{
  width:46px;height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:rgba(22,119,255,.16);color:#5AA9FF;margin-bottom:12px;
}
.pr-ico svg{width:24px;height:24px}
.pay-redirect strong{font-size:14.5px;display:block;margin-bottom:6px}
.pay-redirect>p{margin:0 0 14px;font-size:11.5px;color:var(--muted);line-height:1.7;max-width:32em}
.pay-redirect .btn-alipay{margin-top:0;width:100%;padding:11px 16px;font-size:14px}
.pr-muted{margin:10px 0 0 !important;font-size:11px !important;color:var(--muted);opacity:.8}

/* ============ Toast ============ */
.toast{position:fixed;left:50%;bottom:34px;transform:translate(-50%,20px);z-index:99;
  padding:11px 20px;border-radius:12px;background:rgba(16,25,39,.96);border:1px solid var(--line-2);
  font-size:13.5px;color:var(--text);opacity:0;transition:.3s var(--ease);pointer-events:none;
  box-shadow:0 20px 44px -18px #000;max-width:88vw;text-align:center}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .aside{display:none}
  .sidebar{--sidebar-w:236px}
}
@media (max-width:900px){
  .app{padding:0;gap:0}
  .sidebar{position:fixed;z-index:50;left:0;top:0;bottom:0;width:280px;border-radius:0;
    transform:translateX(-102%);transition:transform .34s var(--ease);flex-basis:280px;
    background:rgba(9,14,22,.97);backdrop-filter:blur(30px)}
  .sidebar.open{transform:none}
  .scrim{position:fixed;inset:0;background:rgba(3,6,12,.6);z-index:45;opacity:0;pointer-events:none;
    transition:.3s;backdrop-filter:blur(2px)}
  .scrim.show{opacity:1;pointer-events:auto}
  .only-mobile{display:grid}
  .welcome{padding:22px 2px 18px}
  .welcome h2{font-size:25px}
  .welcome-stats{grid-template-columns:repeat(3,1fr);gap:8px}
  .welcome-stats b{font-size:19px}
  .bubble{max-width:88%}
  .topbar{padding:8px 2px 12px}
  .topbar-title h1{font-size:16px}
  .chip-quota{padding:5px 10px;font-size:12px}
  .composer-wrap{padding:10px 2px calc(8px + env(safe-area-inset-bottom))}
  .composer{border-radius:18px;padding-left:14px}
  .kb-list{grid-template-columns:1fr}
  .acct-card{padding:18px;gap:16px}
  .big-num b{font-size:38px}
  .modal-box{padding:22px 18px;border-radius:20px}
  .order-qr{flex-direction:column;align-items:center;text-align:center}
  .order-qr img{width:172px;height:172px;padding:9px}
  .order-qr .qr-text{text-align:center;flex:1}
  .order-qr .qr-text strong{font-size:14.5px}
  .msg{gap:9px}
  .avatar{width:28px;height:28px;flex-basis:28px}
}
@media (max-width:400px){
  .welcome h2{font-size:22px}
  .welcome-stats div{padding:12px 6px}
  .suggest button{font-size:12px;padding:6px 11px}
}
@media print{.bg-layer,.sidebar,.aside,.composer-wrap{display:none}}