@import "https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Noto+Sans+SC:wght@400;500;600;700&display=swap";:root{color:#18231f;font-synthesis:none;--ink:#18231f;--muted:#68756f;--line:#dce4df;--paper:#fff;--green:#176b4a;--green-2:#25a36f;--green-soft:#e7f4ed;--red:#b93643;--shadow:0 18px 60px #1e3a2e17;background:#f4f7f4;font-family:DM Sans,Noto Sans SC,system-ui,sans-serif}*{box-sizing:border-box}body{min-width:320px;min-height:100vh;margin:0}button,input,textarea,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}.chat-shell{background:radial-gradient(circle at 90% 0,#62c69326,#0000 28rem),linear-gradient(#f8fbf8 0%,#eff4f0 100%);grid-template-rows:auto 1fr auto;min-height:100vh;display:grid}.chat-header{-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);z-index:5;background:#f9fcf9d1;border-bottom:1px solid #becbc3b3;align-items:center;gap:14px;height:86px;padding:0 max(24px,50vw - 490px);display:flex;position:sticky;top:0}.brand-mark,.admin-brand>span{color:#fff;background:linear-gradient(145deg,#22805b,#0f563b);border-radius:14px;place-items:center;width:42px;height:42px;font-weight:700;display:grid;box-shadow:0 9px 20px #196a4a38}.chat-header h1{letter-spacing:-.02em;margin:0;font-size:17px}.chat-header p{color:var(--muted);margin:3px 0 0;font-size:12px}.admin-link{color:var(--green);border:1px solid #cddbd3;border-radius:999px;margin-left:auto;padding:9px 14px;font-size:13px;font-weight:600;text-decoration:none}.chat-panel{width:min(900px,100% - 32px);margin:0 auto;padding:46px 0 180px}.welcome-card{text-align:center;padding:72px 24px 44px}.eyebrow{color:var(--green-2);letter-spacing:.18em;font-size:11px;font-weight:700}.welcome-card h2{letter-spacing:-.045em;margin:16px 0 10px;font-size:clamp(30px,5vw,52px);line-height:1.12}.welcome-card>p{max-width:560px;color:var(--muted);margin:0 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(width<=800px){.chat-header{padding:0 16px}.chat-header p{display:none}.admin-link{font-size:0}.admin-link:after{content:"管理";font-size:12px}.chat-panel{padding-top:24px}.welcome-card{padding-top:42px}.composer-meta>span{display:none}.admin-shell{grid-template-columns:1fr}.sidebar{width:100%;height:auto;padding:13px;position:static}.admin-brand{padding-bottom:12px}.sidebar nav{display:flex;overflow-x:auto}.sidebar nav button{white-space:nowrap}.sidebar-footer{display:none}.admin-topbar{padding:0 18px}.admin-content{width:calc(100% - 28px);padding-top:25px}.form-grid.two,.knowledge-grid,.faq-form-list{grid-template-columns:1fr}.panel-heading{align-items:center}.panel-heading h2{font-size:21px}th,td{padding:12px}.product-editor-section-heading{align-items:center}.product-editor-section-heading .button{white-space:nowrap}.confirm-modal{padding:22px}.confirm-modal .form-actions{grid-template-columns:1fr 1fr;display:grid}.confirm-modal .button{width:100%}}