:root{--pine:#173b32;--pine-2:#24574a;--ink:#18302a;--muted:#70817b;--fog:#f2f5f1;--paper:#fff;--line:#dce5df;--mint:#dcefe7;--lime:#d9e85c;--sun:#f4c95d;--coral:#e98261;--blue:#dcebf1;--shadow:0 18px 50px rgba(18,55,45,.1);font-family:"Avenir Next","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--fog)}
*{box-sizing:border-box}body{margin:0;background:var(--fog)}[hidden]{display:none!important}button,input,select{font:inherit}button{cursor:pointer}button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid rgba(31,111,84,.24);outline-offset:2px}h1,h2,h3,p{margin-top:0}h1{font-family:"STKaiti","KaiTi",serif;font-weight:700}h2{font-size:22px;margin-bottom:6px}small{color:var(--muted)}
.eyebrow{display:block;color:#2a705d;font:800 10px/1.2 ui-monospace,SFMono-Regular,monospace;letter-spacing:.16em}.eyebrow.light{color:#c8dd66}.primary,.secondary,.lime-button{border:0;border-radius:9px;padding:11px 17px;font-weight:750}.primary{background:var(--pine);color:white}.primary:hover{background:var(--pine-2)}.secondary{background:white;color:var(--ink);box-shadow:inset 0 0 0 1px var(--line)}.lime-button{background:var(--lime);color:var(--pine)}.wide{width:100%}.small{font-size:11px;padding:8px 10px}.text-button{border:0;background:transparent;color:#28745e;padding:6px;font-weight:700}

.login-screen{min-height:100vh;display:grid;grid-template-columns:minmax(420px,1.15fr) minmax(420px,.85fr);background:white}.login-story{position:relative;overflow:hidden;background:var(--pine);color:white;padding:54px 64px;display:flex;flex-direction:column}.login-brand{display:flex;align-items:center;gap:12px;font-weight:800}.login-brand i,.brand-mark{display:grid;place-items:center;width:40px;height:40px;border-radius:50%;background:var(--lime);color:var(--pine);font:800 22px Georgia,serif;font-style:normal}.story-copy{margin:auto 0;position:relative;z-index:2}.story-copy h1{font-size:clamp(45px,5vw,72px);line-height:1.08;margin:14px 0 22px}.story-copy>p:last-child{max-width:450px;color:#b9cbc5;font-size:15px}.spines{position:absolute;right:-30px;bottom:-22px;height:55%;display:flex;gap:7px;align-items:flex-end;transform:rotate(-5deg);opacity:.9}.spines i{display:block;width:58px;height:70%;background:#2b6857;border-radius:8px 8px 0 0}.spines i:nth-child(2){height:88%;background:var(--lime)}.spines i:nth-child(3){height:64%;background:#e98d63}.spines i:nth-child(4){height:100%;background:#dcebf1}.spines i:nth-child(5){height:78%;background:#408674}.spines i:nth-child(6){height:93%;background:#f1c55f}.spines i:nth-child(7){height:69%;background:#fff}.login-panel{display:grid;place-items:center;padding:50px}.login-card{width:min(390px,100%)}.login-card h2{font:700 34px "STKaiti","KaiTi",serif;margin:12px 0 4px}.login-card>p{color:var(--muted);margin-bottom:30px}.login-card label,.form-panel label,dialog label{display:grid;gap:7px;margin-bottom:16px;font-size:12px;font-weight:750}.login-card input,.form-panel input,dialog input,dialog select,.scan-fields input,.scan-fields select{width:100%;border:1px solid var(--line);border-radius:9px;padding:13px;background:white;color:var(--ink)}.login-card details{margin-top:22px;color:var(--muted);font-size:11px;line-height:1.8}.login-card summary{cursor:pointer}.form-error{min-height:22px;color:#b64e36;font-size:12px;margin-top:10px}

.app-shell{min-height:100vh;display:grid;grid-template-columns:232px minmax(0,1fr)}.rail{position:sticky;top:0;height:100vh;background:var(--pine);color:white;padding:28px 18px;display:flex;flex-direction:column;z-index:10}.brand{display:flex;align-items:center;gap:11px;padding:0 8px 30px}.brand>span:last-child{display:grid}.brand small{color:#92aaa2;font-size:9px;letter-spacing:.12em}.rail nav{display:grid;gap:6px}.rail nav button{display:flex;align-items:center;gap:11px;border:0;background:transparent;color:#a9bbb5;border-radius:10px;padding:10px 12px;text-align:left}.rail nav button i{display:grid;place-items:center;width:29px;height:29px;border:1px solid #48675e;border-radius:8px;font-style:normal;font-size:11px}.rail nav button:hover,.rail nav button.active{background:#2b5146;color:white}.rail nav button.active i{background:var(--lime);border-color:var(--lime);color:var(--pine);font-weight:900}.rail-foot{margin-top:auto;padding:18px 9px 0;border-top:1px solid #3d5b52;display:grid;gap:4px}.rail-foot span{font-size:12px;font-weight:750}.rail-foot small{font-size:10px;color:#92aaa2}
main{min-width:0;padding:34px 42px 60px}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:28px}.topbar h1{font-size:30px;margin:5px 0 0}.user-menu{display:flex;align-items:center;gap:10px}.user-menu>span:nth-child(2){display:grid;font-size:12px}.avatar{display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:var(--mint);color:var(--pine);font-weight:850}.view{display:none}.view.active{display:block}.mobile-nav{display:none}
.hero{border-radius:18px;padding:34px;margin-bottom:16px}.platform-hero{display:flex;justify-content:space-between;align-items:center;background:var(--pine);color:white;min-height:190px;position:relative;overflow:hidden}.platform-hero:after{content:"S1  /  3层";position:absolute;right:18%;bottom:-24px;font:900 78px/1 ui-monospace,monospace;color:rgba(255,255,255,.055);transform:rotate(-5deg)}.platform-hero h2{font:700 31px "STKaiti","KaiTi",serif;margin:12px 0}.platform-hero p{color:#b6cac3;margin:0}.platform-hero button{position:relative;z-index:1}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:16px}.stats article{background:white;border:1px solid var(--line);border-radius:13px;padding:18px 20px;display:grid;gap:6px}.stats article>span{font-size:11px;color:var(--muted)}.stats strong{font-size:29px;line-height:1}.stats strong small{font-size:11px;margin-left:4px}.panel{background:white;border:1px solid var(--line);border-radius:15px;padding:22px;box-shadow:0 4px 24px rgba(23,59,50,.035)}.panel-head,.section-intro{display:flex;justify-content:space-between;align-items:flex-start;gap:20px}.panel-head{margin-bottom:18px}.panel-head h2,.section-intro h2{margin:6px 0 3px}.section-intro{margin-bottom:18px}.section-intro p{color:var(--muted);font-size:12px;margin:0}.notice{background:#fff2d3;border:1px solid #edce80;color:#7c5918;border-radius:10px;padding:12px 15px;margin-bottom:14px;font-size:12px}
.search-box{display:flex;align-items:center;gap:7px;background:white;border:1px solid var(--line);border-radius:9px;padding:9px 12px;color:var(--muted)}.search-box input{border:0;outline:0;background:transparent;min-width:220px}.search-box.grow{flex:1}.search-box.grow input{width:100%}.toolbar{display:flex;align-items:center;gap:9px;margin-bottom:14px}.toolbar>span{color:var(--muted);font-size:11px}.org-list{display:grid}.org-row{display:grid;grid-template-columns:44px minmax(210px,1.5fr) 100px 85px 75px 110px 130px;gap:12px;align-items:center;padding:14px 4px;border-bottom:1px solid var(--line);font-size:12px}.org-row:last-child{border-bottom:0}.org-seal{display:grid;place-items:center;width:40px;height:40px;background:var(--mint);border-radius:11px;font:700 19px "STKaiti",serif}.org-row>span:not(.org-seal){display:grid;gap:3px}.row-actions{display:flex!important;gap:5px}.row-actions button{border:1px solid var(--line);background:white;border-radius:6px;padding:6px;font-size:9px}.pending-panel{margin-top:16px}.pending-list article{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding:11px 2px}.pending-list article>span{display:grid;font-size:11px}.status{display:inline-block;width:8px;height:8px;border-radius:50%;background:#2d9473;margin-right:6px}.status.trial{background:#eaa557}.status.expired,.status.suspended,.status.disabled{background:#9aa7a2}.status.active{background:#2d9473}
.dashboard-grid{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(270px,.55fr);gap:16px}.shelf-map{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.shelf-card{border:1px solid var(--line);border-radius:11px;overflow:hidden}.shelf-card header{display:flex;justify-content:space-between;align-items:center;padding:10px;background:#f9fbf8;font-size:11px}.shelf-card header b{font:850 18px ui-monospace,monospace}.shelf-card>div{display:grid;grid-template-columns:42px 1fr 18px;gap:7px;align-items:center;border-top:1px solid var(--line);padding:8px;font-size:9px;color:var(--muted)}.shelf-card>div i{display:block;height:5px;background:#edf1ee;border-radius:9px;overflow:hidden}.shelf-card>div em{display:block;height:100%;background:var(--lime)}.route-panel h2{margin:8px 0 17px}.task-card{border:0;border-radius:11px;padding:15px;width:100%;display:grid;grid-template-columns:1fr auto;text-align:left;margin-bottom:10px}.task-card b,.task-card span{grid-column:1}.task-card span{font-size:10px;color:var(--muted);margin-top:3px}.task-card i{grid-column:2;grid-row:1/3;align-self:center;font-style:normal;font-size:20px}.task-card.mint{background:var(--mint)}.task-card.yellow{background:#f7e9aa}.due-box{border-top:1px solid var(--line);margin-top:17px;padding-top:17px;display:flex;align-items:end;gap:8px}.due-box strong{font-size:30px;color:var(--coral)}.due-box span{font-size:11px;color:var(--muted);padding-bottom:5px}
.catalog-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:13px}.book-card{position:relative;background:white;border:1px solid var(--line);border-radius:13px;padding:13px;display:grid;grid-template-columns:76px 1fr;gap:12px;min-height:145px;overflow:hidden}.cover-wrap{width:76px;height:104px;background:var(--mint);border-radius:5px;display:grid;place-items:center;overflow:hidden;font:700 30px "STKaiti",serif}.cover-wrap img{width:100%;height:100%;object-fit:cover;position:relative;z-index:1}.book-info{min-width:0}.book-kind{font-size:9px;color:#357765}.book-card h3{font:750 14px/1.35 Georgia,"Times New Roman",serif;margin:7px 0 5px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.book-card p{font-size:10px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.book-data{display:flex;flex-wrap:wrap;gap:4px}.book-data span{font-size:8px;background:var(--fog);padding:4px 5px;border-radius:4px}.card-add{position:absolute;right:9px;bottom:9px;border:0;border-radius:7px;background:var(--pine);color:white;padding:6px 8px;font-size:9px}.pager{display:flex;justify-content:center;align-items:center;gap:15px;margin-top:17px;font-size:11px}.pager button{border:1px solid var(--line);background:white;padding:8px 12px;border-radius:7px}
.table-shell{background:white;border:1px solid var(--line);border-radius:13px;overflow:auto}table{width:100%;border-collapse:collapse;font-size:11px}th,td{text-align:left;padding:13px 14px;border-bottom:1px solid var(--line);white-space:nowrap}th{background:#f9fbf8;color:var(--muted);font-weight:700}.table-book{display:flex;align-items:center;gap:9px}.table-book img{width:31px;height:41px;object-fit:cover;border-radius:3px;background:var(--mint)}.table-book span{display:grid;max-width:260px}.table-book b{overflow:hidden;text-overflow:ellipsis}.mono{font-family:ui-monospace,SFMono-Regular,monospace;letter-spacing:.04em}.shelf-address{display:inline-block;background:var(--lime);color:var(--pine);font-weight:850;border-radius:5px;padding:6px 8px}.pill{border-radius:20px;background:#eef2ef;padding:5px 8px}.pill.available{background:var(--mint);color:#1d7057}.pill.borrowed{background:#fff0d5;color:#8b6114}
.scan-layout{display:grid;grid-template-columns:minmax(420px,.9fr) minmax(340px,1.1fr);gap:16px}.scan-desk{background:white;border:1px solid var(--line);border-radius:16px;padding:38px;text-align:center}.scan-tabs{display:inline-flex;padding:4px;background:var(--fog);border-radius:9px;margin-bottom:28px}.scan-tabs button{border:0;background:transparent;border-radius:7px;padding:8px 27px}.scan-tabs button.active{background:var(--pine);color:white}.scan-glyph{display:grid;place-items:center;width:64px;height:64px;margin:0 auto 18px;border-radius:50%;background:var(--mint);font-size:28px}.scan-desk h2{font:700 24px "STKaiti",serif;margin:8px 0 22px}.scan-fields{display:grid;gap:11px;text-align:left;margin-bottom:14px}.scan-fields label{font-size:11px;font-weight:750}.scan-fields input{margin-top:6px;font:650 15px ui-monospace,monospace;border:2px solid #9bc8b8;text-align:center}.scan-desk>p{font-size:10px;color:var(--muted);margin:14px 0 0}.offline-queue{background:#fff1cc;color:#795718;border-radius:8px;padding:9px 11px;font-size:10px;margin-bottom:8px}.loan-list{display:grid}.loan-row{display:grid;grid-template-columns:9px minmax(150px,1fr) 95px auto;gap:10px;align-items:center;border-bottom:1px solid var(--line);padding:11px 0;font-size:10px}.loan-row>div,.loan-row>span:nth-child(3){display:grid;gap:3px}.loan-dot{width:7px;height:7px;border-radius:50%;background:#2d9473}.loan-dot.overdue{background:var(--coral)}
.reader-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:13px}.reader-card{background:white;border:1px solid var(--line);border-radius:13px;padding:17px;display:grid;grid-template-columns:48px 1fr auto;gap:12px;align-items:center}.reader-avatar{width:47px;height:47px;border-radius:13px;background:var(--blue);display:grid;place-items:center;font:700 22px "STKaiti",serif}.reader-card h3{font-size:14px;margin:0 0 4px}.reader-card p,.reader-card small{font-size:10px;margin:0;color:var(--muted)}.reader-card>strong{font-size:22px;display:grid;text-align:center}.reader-card>strong small{font-weight:400}
.settings-grid{display:grid;grid-template-columns:minmax(380px,.75fr) minmax(380px,1.25fr);gap:16px}.form-panel h2{margin:8px 0 22px}.teacher-list article{display:grid;grid-template-columns:38px 1fr 10px;gap:11px;align-items:center;border-bottom:1px solid var(--line);padding:11px 0}.teacher-list article>span:nth-child(2){display:grid;font-size:11px}
.empty-state,.loading-block{text-align:center;color:var(--muted);font-size:12px;padding:40px}.empty-state.compact{padding:22px}.empty-state.error{color:#a34936}.pick-list{max-height:210px;overflow:auto;margin:-7px 0 15px;border-radius:8px}.pick-list>button{width:100%;display:grid;text-align:left;border:0;border-bottom:1px solid var(--line);background:#f8faf7;padding:10px}.selected-book{background:var(--mint);padding:11px;border-radius:8px;margin-bottom:14px;display:grid}.selected-book small{margin-top:3px}
dialog{border:0;border-radius:16px;padding:0;width:min(560px,92vw);box-shadow:var(--shadow)}dialog::backdrop{background:rgba(12,35,29,.55);backdrop-filter:blur(3px)}dialog form{padding:28px;position:relative}dialog h2{font:700 26px "STKaiti","KaiTi",serif;margin:8px 0 23px}.dialog-close{position:absolute;right:16px;top:13px;border:0;background:transparent;font-size:25px;color:var(--muted)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 13px}.span-2{grid-column:1/-1}.hint{font-size:10px;color:var(--muted)}dialog menu{display:flex;justify-content:flex-end;gap:8px;margin:22px 0 0;padding:0}#toast{position:fixed;z-index:100;right:24px;bottom:24px;background:var(--pine);color:white;border-radius:9px;padding:12px 17px;font-size:12px;box-shadow:var(--shadow);opacity:0;transform:translateY(12px);pointer-events:none;transition:.2s}#toast.show{opacity:1;transform:none}#toast.bad{background:#a74f3b}

@media(max-width:1180px){.catalog-grid{grid-template-columns:repeat(3,1fr)}.app-shell{grid-template-columns:82px 1fr}.rail{padding:25px 10px}.brand{justify-content:center;padding:0 0 26px}.brand>span:last-child,.rail nav button span,.rail-foot{display:none}.rail nav button{justify-content:center}.rail nav button i{width:36px;height:36px}.shelf-map{grid-template-columns:repeat(2,1fr)}main{padding:30px 28px}.org-row{grid-template-columns:44px 1fr 100px 80px}.org-row>*:nth-child(5),.org-row>*:nth-child(6),.org-row>*:nth-child(7){display:none}}
@media(max-width:820px){.login-screen{grid-template-columns:1fr}.login-story{min-height:35vh;padding:28px}.story-copy{margin:55px 0 20px}.story-copy h1{font-size:42px}.spines{height:65%;opacity:.35}.login-panel{padding:36px 24px}.stats{grid-template-columns:1fr 1fr}.catalog-grid{grid-template-columns:1fr 1fr}.dashboard-grid,.scan-layout,.settings-grid{grid-template-columns:1fr}.reader-grid{grid-template-columns:1fr 1fr}.app-shell{display:block}.rail{display:none}main{padding:22px 16px 92px}.topbar{margin-bottom:21px}.topbar h1{font-size:24px}.user-menu>span:nth-child(2),.user-menu .text-button{display:none}.mobile-nav{position:fixed;z-index:50;left:0;right:0;bottom:0;padding:7px 8px calc(7px + env(safe-area-inset-bottom));background:rgba(255,255,255,.96);border-top:1px solid var(--line);display:flex;justify-content:space-around;backdrop-filter:blur(14px)}.mobile-nav button{min-width:58px;border:0;background:transparent;color:var(--muted);display:grid;place-items:center;gap:2px;font-size:9px}.mobile-nav i{display:grid;place-items:center;width:28px;height:28px;border-radius:8px;background:var(--fog);font-style:normal}.mobile-nav button.active{color:var(--pine);font-weight:800}.mobile-nav button.active i{background:var(--lime)}.hero{padding:25px}.platform-hero{display:block}.platform-hero button{margin-top:20px}.section-intro{align-items:center}.org-row{grid-template-columns:40px 1fr 85px}.org-row>*:nth-child(4){display:none}}
@media(max-width:540px){.stats{gap:9px}.stats article{padding:14px}.stats strong{font-size:24px}.catalog-grid{grid-template-columns:1fr}.reader-grid{grid-template-columns:1fr}.toolbar{flex-wrap:wrap}.toolbar .search-box{width:100%}.search-box input{min-width:0}.shelf-map{grid-template-columns:1fr 1fr}.scan-desk{padding:27px 18px}.panel{padding:17px}.section-intro p{display:none}.section-intro h2{font-size:20px}.form-grid{grid-template-columns:1fr}.span-2{grid-column:auto}.book-card{min-height:135px}.topbar .eyebrow{font-size:8px}.org-row{grid-template-columns:38px 1fr}.org-row>*:nth-child(3){display:none}dialog form{padding:24px 20px}.table-shell{margin:0 -16px;border-radius:0;border-left:0;border-right:0}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}