:root{--blue:#172c86;--blue-2:#2448bb;--ink:#182033;--muted:#6d778b;--line:#e5e9f2;--surface:#fff;--wash:#f3f6fb;--success:#12805c;--danger:#bf3341;--shadow:0 18px 45px rgba(19,40,107,.12)}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--wash)}button,input,textarea,select{font:inherit}.hidden{display:none!important}.eyebrow{margin:0 0 6px;color:var(--blue-2);font-size:11px;font-weight:800;letter-spacing:.16em}.muted{color:var(--muted)}
.login-shell{min-height:100vh;display:grid;place-items:center;padding:28px;background:radial-gradient(circle at 15% 10%,rgba(61,100,225,.18),transparent 34%),linear-gradient(135deg,#f9fbff 0%,#eef3ff 100%)}.login-card{width:min(530px,100%);padding:40px;border:1px solid rgba(255,255,255,.9);border-radius:28px;background:rgba(255,255,255,.91);box-shadow:var(--shadow);backdrop-filter:blur(18px)}.brand-lockup{display:flex;align-items:center;gap:20px;margin-bottom:32px}.brand-logo{width:94px;height:94px;object-fit:cover;border-radius:50%;box-shadow:0 8px 22px rgba(23,44,134,.17)}.brand-lockup h1{margin:0;font-size:30px;letter-spacing:-.04em}.brand-lockup .muted{margin:8px 0 0}.form-stack{display:grid;gap:17px}label{display:grid;gap:8px;font-size:13px;font-weight:700;color:#424d62}input,select,textarea{width:100%;border:1px solid #d9dfeb;border-radius:13px;background:#fff;padding:13px 14px;color:var(--ink);outline:none;transition:.2s}input:focus,select:focus,textarea:focus{border-color:var(--blue-2);box-shadow:0 0 0 3px rgba(36,72,187,.1)}.primary-button,.secondary-button{border:0;border-radius:13px;padding:13px 18px;font-weight:800;cursor:pointer}.primary-button{color:#fff;background:linear-gradient(135deg,var(--blue),var(--blue-2));box-shadow:0 8px 20px rgba(36,72,187,.2)}.primary-button:disabled{opacity:.55;cursor:wait}.primary-button.compact{padding:10px 16px}.secondary-button{background:#edf1f7;color:#43506a}.form-error{min-height:18px;margin:0;color:var(--danger);font-size:13px}.form-status{margin:0;color:var(--muted);font-size:13px}.login-note{text-align:center;color:#9098a8;font-size:12px;margin:22px 0 0}
.app-shell{display:grid;grid-template-columns:250px 1fr;min-height:100vh}.sidebar{position:sticky;top:0;height:100vh;display:flex;flex-direction:column;padding:24px 18px;background:#101f62;color:#fff}.side-brand{display:flex;align-items:center;gap:12px;padding:0 6px 24px;border-bottom:1px solid rgba(255,255,255,.13)}.side-brand img{width:46px;height:46px;border-radius:50%;object-fit:cover;background:#fff}.side-brand strong,.side-brand span{display:block}.side-brand strong{font-size:16px}.side-brand span{margin-top:4px;color:#b9c5ee;font-size:11px}.sidebar nav{display:grid;gap:7px;margin-top:24px}.nav-button{border:0;border-radius:12px;padding:12px 14px;text-align:left;background:transparent;color:#c7d0ed;cursor:pointer}.nav-button span{display:inline-block;width:24px}.nav-button:hover,.nav-button.active{background:rgba(255,255,255,.13);color:#fff}.side-footer{margin-top:auto;padding-top:18px;border-top:1px solid rgba(255,255,255,.13)}.user-chip{display:flex;align-items:center;gap:11px}.user-chip>span{display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:#fff;color:var(--blue);font-weight:800}.user-chip strong,.user-chip small{display:block}.user-chip small{margin-top:3px;color:#b9c5ee}.text-button{margin-top:12px;border:0;background:none;color:#c7d0ed;padding:0;cursor:pointer}.main-area{min-width:0;padding:0 5vw 42px}.mobile-header{display:none}.view{width:min(1050px,100%);margin:0 auto}.chat-view{display:grid;grid-template-rows:auto minmax(280px,1fr) auto auto;min-height:100vh;padding:44px 0 24px}.chat-head,.page-head{display:flex;align-items:flex-start;justify-content:space-between;gap:20px}.chat-head h2,.page-head h2{margin:0;font-size:30px;letter-spacing:-.04em}.chat-head>div>p:last-child,.page-head>div>p:last-child{color:var(--muted);margin:8px 0 0}.status-badge{padding:8px 12px;border-radius:999px;background:#e9f7f2;color:var(--success);font-size:12px;font-weight:800}.messages{padding:30px 0 16px;overflow-y:auto;scroll-behavior:smooth}.message{display:flex;gap:12px;margin-bottom:22px}.message>img,.message>.avatar{width:34px;height:34px;flex:0 0 34px;border-radius:50%;object-fit:cover;background:#fff}.message.user-message{justify-content:flex-end}.message.user-message .bubble{order:-1;color:#fff;background:var(--blue);border-color:var(--blue)}.message.user-message .avatar{display:grid;place-items:center;color:#fff;background:#6074b9;font-size:12px}.bubble{max-width:min(720px,82%);padding:15px 17px;border:1px solid var(--line);border-radius:6px 18px 18px 18px;background:#fff;box-shadow:0 6px 20px rgba(20,36,87,.06);line-height:1.75}.user-message .bubble{border-radius:18px 6px 18px 18px}.bubble p{margin:5px 0 0;white-space:pre-wrap}.sources{display:grid;gap:8px;margin-top:12px}.source-card{padding:10px 12px;border-radius:10px;background:#f3f6fb;font-size:12px;color:#566176}.source-card strong{color:var(--blue)}.suggestions{display:flex;gap:8px;overflow-x:auto;padding:2px 0 14px}.suggestions button{white-space:nowrap;border:1px solid #dce2ef;border-radius:999px;padding:8px 12px;background:#fff;color:#526078;cursor:pointer}.composer{display:flex;gap:10px;align-items:flex-end;padding:10px;border:1px solid #dfe4ef;border-radius:18px;background:#fff;box-shadow:0 12px 30px rgba(26,46,113,.1)}.composer textarea{min-height:46px;max-height:140px;resize:none;border:0;box-shadow:none;padding:12px}.composer button{height:44px;border:0;border-radius:12px;padding:0 18px;background:var(--blue);color:#fff;font-weight:800;cursor:pointer}.composer button:disabled{opacity:.45}.page-head{padding:44px 0 24px}.panel{padding:22px;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:0 8px 26px rgba(26,46,113,.05)}.table-panel{padding:0;overflow:hidden}.document-row{display:grid;grid-template-columns:minmax(180px,2fr) 1fr 1fr 100px auto;align-items:center;gap:12px;padding:16px 20px;border-bottom:1px solid var(--line)}.document-row:last-child{border-bottom:0}.document-main strong,.document-main small{display:block}.document-main small,.cell-muted{margin-top:4px;color:var(--muted);font-size:12px}.pill{display:inline-block;padding:5px 9px;border-radius:999px;background:#edf1fa;color:#536181;font-size:12px}.danger-button{border:0;background:#fff0f1;color:var(--danger);border-radius:9px;padding:8px 10px;cursor:pointer}.empty{padding:28px;text-align:center;color:var(--muted)}.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:16px}.metric-card{padding:20px;border:1px solid var(--line);border-radius:16px;background:#fff}.metric-card span{color:var(--muted);font-size:13px}.metric-card strong{display:block;margin-top:9px;font-size:29px}.category-chart{display:grid;gap:13px}.bar-row{display:grid;grid-template-columns:120px 1fr 40px;gap:12px;align-items:center;font-size:13px}.bar-track{height:10px;border-radius:999px;background:#edf1f7;overflow:hidden}.bar-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--blue),#5679e6)}
dialog{width:min(520px,calc(100% - 28px));border:0;border-radius:20px;padding:0;box-shadow:var(--shadow)}dialog::backdrop{background:rgba(10,18,50,.55);backdrop-filter:blur(4px)}.dialog-card{display:grid;gap:16px;padding:24px}.dialog-head{display:flex;justify-content:space-between;gap:20px}.dialog-head h3{margin:0}.dialog-head p{margin:6px 0 0;color:var(--muted);font-size:12px}.icon-button{border:0;background:none;font-size:22px;cursor:pointer}.dialog-actions{display:flex;justify-content:flex-end;gap:10px}.toast{position:fixed;right:24px;bottom:24px;z-index:20;max-width:360px;padding:13px 16px;border-radius:12px;background:#172033;color:#fff;box-shadow:var(--shadow)}
@media(max-width:850px){.app-shell{display:block}.sidebar{position:fixed;left:-270px;z-index:30;width:250px;transition:.25s}.sidebar.open{left:0}.main-area{padding:0 18px 22px}.mobile-header{display:flex;align-items:center;justify-content:space-between;height:58px;margin:0 -18px;padding:0 18px;background:#fff;border-bottom:1px solid var(--line)}.chat-view{min-height:calc(100vh - 58px);padding:25px 0 10px}.chat-head h2,.page-head h2{font-size:25px}.chat-head .status-badge{display:none}.metric-grid{grid-template-columns:repeat(2,1fr)}.document-row{grid-template-columns:1fr auto}.document-row>*:nth-child(2),.document-row>*:nth-child(3),.document-row>*:nth-child(4){display:none}.page-head{padding:28px 0 20px}.login-card{padding:27px 22px}.brand-logo{width:72px;height:72px}.brand-lockup h1{font-size:25px}.bubble{max-width:88%}}
@media(max-width:460px){.metric-grid{grid-template-columns:1fr 1fr}.brand-lockup{align-items:flex-start}.eyebrow{letter-spacing:.08em}.suggestions{margin-right:-18px}.composer button{padding:0 14px}}

/* v0.2.0：通用知识兜底与待完善问题闭环 */
.primary-button.compact,.secondary-button.compact{padding:9px 13px}
.nav-count{float:right;min-width:20px;padding:2px 6px;border-radius:999px;background:#ffcf5a;color:#172033;text-align:center;font-size:10px}
.answer-label{display:inline-block;padding:3px 8px;border-radius:999px;background:#e8f7f1;color:#0c7653;font-size:11px;font-weight:800}
.answer-label.general{background:#fff5d9;color:#8a6210}.answer-label.pending{background:#fff0e7;color:#9b4b1f}
.compact-select{width:auto;min-width:120px}
.pending-row{display:grid;grid-template-columns:minmax(300px,1fr) 90px 80px auto;align-items:center;gap:14px;padding:18px 20px;border-bottom:1px solid var(--line)}
.pending-row:last-child{border-bottom:0}.pending-main strong,.pending-main small{display:block}.pending-main small{margin-top:7px;color:var(--muted);font-size:12px;line-height:1.55}
.row-actions{display:flex;justify-content:flex-end;gap:7px}.status-text{font-size:12px;font-weight:800;color:#8a6210}.status-text.published{color:var(--success)}.status-text.ignored{color:var(--muted)}
.metric-grid{grid-template-columns:repeat(5,1fr)}
@media(max-width:850px){.metric-grid{grid-template-columns:repeat(2,1fr)}.pending-row{grid-template-columns:1fr auto}.pending-row>.pill,.pending-row>.status-text{display:none}.row-actions{grid-column:1/-1;justify-content:flex-start}}

/* v0.3.0：公开访问、访问IP、地区与频率分析 */
.analytics-actions{display:flex;align-items:center;gap:9px}.analytics-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:16px;margin-bottom:16px}.panel-title{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:18px}.panel-title h3{margin:0}.panel-title small{color:var(--muted)}.analytics-chart{display:flex;align-items:flex-end;gap:7px;height:230px;min-width:100%;overflow-x:auto;padding:10px 2px 0;border-bottom:1px solid var(--line)}.frequency-day{display:grid;grid-template-rows:1fr 20px;flex:1 0 24px;min-width:24px;height:100%;text-align:center}.frequency-bars{display:flex;align-items:flex-end;justify-content:center;gap:2px;min-height:0}.frequency-bar{display:block;width:7px;min-height:0;border-radius:4px 4px 0 0}.frequency-bar.visit{background:linear-gradient(#5679e6,var(--blue-2))}.frequency-bar.chat{background:linear-gradient(#42bf91,var(--success))}.frequency-day small,.hour-group small{color:var(--muted);font-size:9px}.hourly-chart{display:flex;align-items:flex-end;gap:4px;height:230px;padding:10px 0 0;border-bottom:1px solid var(--line)}.hour-group{display:grid;grid-template-rows:1fr 20px;flex:1;height:100%;text-align:center}.hour-group i{align-self:end;display:block;width:72%;margin:0 auto;border-radius:5px 5px 0 0;background:linear-gradient(#8ba4f3,var(--blue-2))}.analytics-table-panel{margin-top:16px}.table-title{padding:20px 20px 0}.analytics-table-head,.analytics-ip-row{display:grid;grid-template-columns:minmax(230px,2fr) 100px 100px 90px minmax(155px,1fr);align-items:center;gap:12px;padding:13px 20px}.analytics-table-head{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#f7f9fc;color:var(--muted);font-size:12px;font-weight:800}.analytics-ip-row{border-bottom:1px solid var(--line);font-size:13px}.analytics-ip-row:last-child{border-bottom:0}
.privacy-note{margin:8px 4px 0;color:var(--muted);font-size:11px;text-align:center}
@media(max-width:850px){.analytics-head{display:grid}.analytics-actions{justify-content:space-between}.analytics-grid{grid-template-columns:1fr}.analytics-table-head{display:none}.analytics-ip-row{grid-template-columns:1fr repeat(3,45px)}.analytics-ip-row>:last-child{grid-column:1/-1}.analytics-chart,.hourly-chart{height:190px}}

/* v0.3.1：学校官网检索与官网入口 */
.nav-link{display:block;border:0;border-radius:12px;padding:12px 14px;text-align:left;text-decoration:none;background:transparent;color:#c7d0ed;cursor:pointer}.nav-link span{display:inline-block;width:24px}.nav-link:hover{background:rgba(255,255,255,.13);color:#fff}.answer-label.official{background:#e8f0ff;color:#2448bb}.source-card a{display:inline-block;margin-top:6px;color:var(--blue-2);font-weight:700;text-decoration:none}.source-card a:hover{text-decoration:underline}

.side-brand div {min-width:0}.side-brand strong {display:block;white-space:normal;overflow-wrap:anywhere;font-size:15px;line-height:1.5}
.answer-label.internet {background:#fff7ed;color:#9a3412}

/* GCZX UI v1.1.1 START */
.main-area {display:flex;flex-direction:column;min-height:100vh;padding-bottom:0}
.main-area > .view {flex:1;width:min(1050px,100%)}
.chat-view {min-height:0;grid-template-rows:auto minmax(280px,1fr) auto auto auto;padding-bottom:16px}
.school-heading {display:flex;align-items:center;gap:14px;min-width:0;line-height:1.4}
.heading-logo {width:54px;height:54px;object-fit:contain;flex:0 0 54px;border-radius:14px}
.school-heading span {min-width:0;overflow-wrap:anywhere}
.brand-lockup .brand-logo,.side-brand img {flex-shrink:0;object-fit:contain}
.login-submit {display:flex;align-items:center;justify-content:center;gap:10px}
.login-submit img {width:26px;height:26px;object-fit:contain;border-radius:6px;background:#fff}
.support-footer {display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:6px 16px;color:#64748b;font-size:12px;line-height:1.8;padding:18px 10px;text-align:center;border-top:1px solid #dfe5ef;flex-shrink:0}
.support-footer a {color:#2448bb;text-decoration:none;white-space:nowrap}
.support-footer a:hover {text-decoration:underline}
.login-card .support-footer {margin-top:22px;padding:16px 0 0;font-size:11px}
.main-area > .support-footer {width:100%;margin-top:20px}
@media(max-width:850px){.chat-view{min-height:0}.school-heading{gap:10px}.heading-logo{width:42px;height:42px;flex-basis:42px}.mobile-header{flex-shrink:0}.main-area > .support-footer{padding:14px 0}}
@media(max-width:460px){.school-heading{font-size:22px!important}.support-footer span{flex-basis:100%}.brand-lockup h1{font-size:24px}.brand-lockup{gap:14px}.heading-logo{width:38px;height:38px;flex-basis:38px}}
/* GCZX UI v1.1.1 END */