:root{font-family:Inter,"Microsoft YaHei",system-ui,sans-serif;color:#1e2934;background:#f4f6f7;font-synthesis:none;--green:#1f3a55;--muted:#717b84;--line:#dce1e5;--lime:#95c1ed}*{box-sizing:border-box}body{margin:0}button,input{font:inherit}a{color:inherit;text-decoration:none}button,a,input{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.45}[hidden]{display:none!important}button:focus-visible,a:focus-visible{outline:3px solid #799aba;outline-offset:3px}input:focus{outline:2px solid #799aba;outline-offset:1px}h1,h2,h3,p{margin-top:0}h1{font-size:34px;letter-spacing:-.04em;margin-bottom:12px}h1>span{color:#6891ba}h2{font-size:19px;margin-bottom:12px}p{line-height:1.7;color:var(--muted);font-size:14px}button{border:0}.brand-mark{width:48px;height:48px;border-radius:13px;background:var(--lime);color:#172d42;display:grid;place-items:center;font-size:31px;flex-shrink:0}.brand-mark.small{width:38px;height:38px;font-size:26px;border-radius:10px}.eyebrow{font-size:10px;letter-spacing:.16em;font-weight:700;color:#6b7a89;margin-bottom:14px}.primary,.secondary,.back-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:8px;padding:12px 18px;font-size:13px;font-weight:700;min-height:44px;white-space:nowrap}.primary{background:var(--green);color:#fff}.primary:hover{background:#162a3e}.secondary,.back-button{border:1px solid #d1d8df;background:#fff;color:#384e63}.secondary:hover,.back-button:hover{background:#e8eef4}.text-button{background:none;color:#41576d;font-size:12px;min-height:36px;padding:6px 10px}.login-screen{min-height:100vh;display:grid;grid-template-columns:1fr 1fr}.login-brand{background:#162a3e;color:#fff;padding:8vh 8vw;display:flex;flex-direction:column;align-items:flex-start}.login-brand>span{font-size:10px;letter-spacing:.17em;margin-top:20px;color:#b3c1ce}.login-brand h1{font-size:clamp(38px,5vw,65px);line-height:1.3;margin:auto 0 24px}.login-brand p{color:#c3ccd4;line-height:2}.login-foot{font-size:12px;color:#a6b4c2;margin-top:auto}.login-panel{display:grid;place-items:center;padding:32px}.login-card{width:min(400px,100%)}.login-card h2{font-size:30px}.login-card label,.app-dialog label{display:block;font-size:13px;font-weight:700;margin-top:24px}input{border:1px solid var(--line);border-radius:8px;padding:12px;background:#fff;color:#233343;min-width:0}label>input{display:block;width:100%;margin-top:8px}.password-input{display:flex;align-items:center;border:1px solid var(--line);border-radius:8px;background:#fff;margin-top:8px}.password-input input{border:0;background:transparent;flex:1;width:100%;padding:14px}.password-input button{background:none;color:#596978;font-size:12px;min-height:44px;padding:0 14px}.full{width:100%;margin-top:26px;justify-content:space-between}.error{color:#ae483d!important;font-size:13px;min-height:20px}.login-help{font-size:12px;color:#949ca4}.login-card .error{margin:12px 0}header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}.header-inner{max-width:1250px;margin:auto;padding:0 32px;min-height:76px;display:flex;justify-content:space-between;align-items:center;gap:25px}.logo,.header-right{display:flex;align-items:center;gap:10px}.logo strong{display:block;font-size:14px}.logo small{display:block;font-size:8px;letter-spacing:.1em;color:#8b939c;margin-top:4px}.main-nav{display:flex;align-self:stretch;gap:24px}.main-nav a{display:flex;align-items:center;gap:6px;color:#747e87;font-size:13px;border-bottom:3px solid transparent;padding-top:3px;font-weight:600;white-space:nowrap}.main-nav a.active{color:var(--green);border-bottom-color:var(--green)}#my-count{background:#e2eaf1;font-size:10px;padding:2px 5px;border-radius:5px}.avatar{width:32px;height:32px;background:#dfe7ee;color:#465a6d;display:grid;place-items:center;border-radius:50%;font-weight:700;font-size:13px}.profile strong{display:block;font-size:12px}.profile small{display:block;font-size:10px;color:#8c96a0;margin-top:3px}.header-right{gap:10px}main{max-width:1250px;margin:auto;padding:0 32px}main>section{min-height:55vh}.intro{display:flex;justify-content:space-between;align-items:center;padding:48px 0 32px;border-bottom:1px solid var(--line)}.intro p{margin-bottom:0}.date-stamp{border-left:1px solid var(--line);padding-left:25px;min-width:145px}.date-stamp span{font-size:12px;color:#7e8994}.date-stamp strong{font-size:29px;display:block;margin-top:10px}.date-stamp small{font-size:11px;font-weight:400;color:#7e8994}.section-title{display:flex;justify-content:space-between;align-items:center;padding:28px 0 18px}.section-title h2{margin:0}.section-title>span{font-size:12px;color:#808a94}.device-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.device-card{position:relative;text-align:left;background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px;color:#212f3c;transition:transform .15s,border-color .15s}.device-card:hover{transform:translateY(-3px);border-color:#91a2b3}.card-number{font-size:10px;letter-spacing:.12em;color:#8b9baa}.device-icon{width:52px;height:52px;background:#e6eef5;color:#475e75;display:grid;place-items:center;font-size:30px;border-radius:12px;margin:25px 0 20px}.device-card h3{font-size:16px;margin-bottom:10px}.device-card p{font-size:12px;margin-bottom:20px}.card-bottom{display:flex;justify-content:space-between;align-items:center;border-top:1px solid #e7ebee;padding-top:16px;font-size:12px;font-weight:700;color:#475c71}.help-strip{display:flex;align-items:center;gap:16px;background:#e5ecf2;border:1px solid #d3dde7;border-radius:10px;padding:19px 22px;margin-top:24px}.help-icon{font-size:24px;color:#517293}.help-strip strong{font-size:13px}.help-strip p{font-size:12px;margin:5px 0 0;color:#788592}.help-strip>a{margin-left:auto;font-size:12px;font-weight:700;white-space:nowrap;color:#475c71}.breadcrumb{display:flex;align-items:center;gap:12px;padding:24px 0;color:#828d97;font-size:12px;flex-wrap:wrap}.back-button{min-height:40px;padding:9px 14px}.schedule-heading{display:flex;justify-content:space-between;align-items:end;gap:15px}.schedule-heading h1{font-size:28px;margin-bottom:8px}.schedule-heading p{font-size:13px;margin:0}.schedule-heading .eyebrow{margin-bottom:10px}.date-picker{display:flex;align-items:center;gap:7px}.date-picker button,.date-picker input{height:42px;border:1px solid var(--line);border-radius:8px;color:#425465;background:#fff;font-size:13px}.date-picker button{width:40px}.date-picker input{padding:0 12px}.schedule-tools{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-top:20px}.quick-dates{display:flex;gap:5px}.quick-dates button{border:1px solid transparent;background:transparent;border-radius:7px;padding:8px 15px;min-height:38px;font-size:12px;color:#7c8791}.quick-dates button.active{background:#dee7ef;color:#465b6f;border-color:#c9d5e2}.sync-tools{display:flex;align-items:center;gap:5px;font-size:11px;color:#87929c}.channels{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0 0}.channel{border:1px solid var(--line);background:#fff;border-radius:8px;padding:10px 16px;font-size:13px;color:#5f6d7b;min-height:42px}.channel.active{background:var(--green);border-color:var(--green);color:#fff}.grid-panel{margin-top:20px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px}.grid-top{display:flex;justify-content:space-between;align-items:center;gap:15px}.grid-top>div:first-child{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.grid-top h2{font-size:15px;margin:0}.grid-top>div>span{font-size:12px;color:#7e8a95}.legend{display:flex;gap:14px;flex-wrap:wrap}.legend>span{font-size:11px;color:#788491}.legend i{display:inline-block;width:9px;height:9px;margin-right:5px;border:1px solid #d8dfe6;border-radius:3px}.free{background:#f4f7fa}.selected{background:#bdd5ec}.occupied{background:#e9edf1}.mine{background:#d6e0e9}.grid-caption{display:flex;justify-content:space-between;align-items:center;gap:10px;margin:14px 0;font-size:12px;color:#7d8995}.range-mode{border:1px solid 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.slot-status{color:#768796}.slot.mine{background:#e0e7ee;border-color:#b7c7d6}.slot.mine .slot-status{color:#46617c}.slot.elapsed{background:#fafafa;border:1px dashed #e6e8ea;color:#adb3b9;opacity:1;cursor:default}.slot.elapsed .slot-status{color:#b5bcc2;font-weight:400}.slot:disabled:not(.elapsed){opacity:.6}.selection-bar{display:flex;justify-content:space-between;align-items:center;gap:20px;border-top:1px solid #dfe6ec;margin-top:20px;padding-top:20px;background:#fff}.selection-copy{min-width:0}.selection-copy strong{display:block;font-size:14px;color:#2e4357}.selection-copy small{display:block;font-size:12px;color:#798896;margin-top:8px;line-height:1.6;overflow-wrap:anywhere}.selection-actions{display:flex;gap:8px}.schedule-note{font-size:11px;color:#8a95a1;margin:15px 0}.page-heading{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:42px 0 25px}.page-heading p{margin-bottom:0}.list-message{font-size:13px;color:#7b8792;padding:12px 0}.empty-state{text-align:center;padding:55px 20px;background:white;border:1px dashed #c4d1dd;border-radius:12px}.empty-state>span{font-size:32px;color:#7290ae;display:block;margin-bottom:20px}.empty-state h2{font-size:19px}.empty-state p{font-size:13px}.empty-state .primary{margin-top:5px}.mine-list{display:grid;gap:12px}.booking-card{display:flex;align-items:center;gap:20px;padding:20px;background:#fff;border:1px solid var(--line);border-radius:10px}.booking-date{min-width:92px;font-size:13px;color:#647a90;border-right:1px solid #dee5ec;padding-right:20px}.booking-date strong{display:block;font-size:22px;color:#364859;margin-bottom:5px}.booking-info{flex:1}.booking-info h3{font-size:15px;margin-bottom:8px}.booking-info p{font-size:12px;margin:0}.booking-info .booking-time{font-size:17px;font-weight:600;color:#344b62;margin-bottom:7px;font-variant-numeric:tabular-nums}.booking-actions{display:flex;gap:8px;align-items:center}.account-card{padding:24px;background:white;border:1px solid var(--line);border-radius:12px;margin-bottom:22px}.account-card>p{font-size:13px}.account-form{display:flex;gap:12px;align-items:end;flex-wrap:wrap}.account-form label{font-size:12px;color:#697988;flex:1;min-width:150px}.account-card p[role=status]{font-size:13px;color:#4a6177;margin:12px 0 0}.user-list{margin-top:24px}.user-row{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:14px 0;border-top:1px solid #dfe6ed}.user-info{display:flex;gap:8px;align-items:center;flex-wrap:wrap;min-width:0}.user-info strong{font-size:13px;overflow-wrap:anywhere}.user-badge{padding:4px 8px;background:#e5edf4;color:#536a80;border-radius:5px;font-size:10px}.user-current{font-size:11px;color:#7e8fa0}.user-actions{display:flex;gap:8px;flex-wrap:wrap}.user-actions .secondary{font-size:12px;padding:8px 12px;min-height:36px}.app-dialog{width:min(430px,calc(100% - 32px));border:1px solid #ccd8e3;border-radius:13px;padding:26px;color:#24303b;max-height:90vh;overflow:auto}.app-dialog::backdrop{background:#121f2b99;backdrop-filter:blur(3px)}.app-dialog h2{font-size:21px}.app-dialog p{font-size:13px}.action-body{white-space:pre-line;line-height:1.9}.app-dialog .error{min-height:0;margin:12px 0}.dialog-actions{display:flex;justify-content:flex-end;gap:9px;margin-top:24px}.dialog-actions button{min-width:94px}footer{display:flex;justify-content:space-between;padding:25px 0 35px;margin-top:45px;border-top:1px solid var(--line);font-size:11px;color:#8793a0}#toast{position:fixed;bottom:25px;left:50%;transform:translate(-50%,20px);opacity:0;pointer-events:none;background:#1d3144;color:#fff;padding:12px 18px;border-radius:9px;font-size:13px;transition:.2s;z-index:20;max-width:min(90vw,560px);line-height:1.6;box-shadow:0 5px 25px #101d2925}#toast.show{opacity:1;transform:translate(-50%,0)}
@media(max-width:1000px){.header-inner,main{padding-left:24px;padding-right:24px}.header-inner{gap:15px}.main-nav{gap:16px}.profile{display:none}.device-cards{grid-template-columns:repeat(2,minmax(0,1fr))}.device-card{padding:20px}.slots{grid-template-columns:repeat(4,minmax(0,1fr))}.help-strip>a{display:none}.booking-card{gap:15px}.booking-actions{flex-direction:column}}
@media(max-width:600px){h1{font-size:29px}.login-screen{grid-template-columns:1fr}.login-brand{min-height:210px;padding:28px}.login-brand h1{font-size:32px;margin:22px 0 0}.login-brand p,.login-foot{display:none}.login-brand>span{margin-top:12px}.login-panel{padding:30px 24px}.login-card h2{font-size:26px}.header-inner{padding:12px 18px 0;min-height:105px;flex-wrap:wrap;gap:10px}.logo small{display:none}.logo strong{font-size:13px}.brand-mark.small{width:31px;height:31px;font-size:22px}.header-right{margin-left:auto}.avatar{display:none}.header-right .text-button{font-size:11px}.main-nav{order:3;width:100%;justify-content:space-between;gap:0;height:43px}.main-nav a{justify-content:center;font-size:13px;flex:1}.main-nav a.active{border-bottom-width:3px}main{padding:0 16px}.intro{padding:30px 0 24px}.intro p{font-size:13px}.date-stamp{display:none}.section-title{padding:22px 0 14px}.section-title h2{font-size:18px}.section-title>span{display:none}.device-cards{gap:10px}.device-card{padding:16px}.device-icon{margin:18px 0;width:44px;height:44px;font-size:26px}.device-card h3{font-size:14px;line-height:1.5}.device-card p{font-size:11px;margin-bottom:15px}.card-bottom{font-size:11px;padding-top:13px}.help-strip{padding:16px;gap:12px;margin-top:18px;align-items:flex-start}.help-strip p{font-size:11px}.breadcrumb{padding:18px 0;gap:9px}.breadcrumb>span:last-child{font-size:11px}.schedule-heading{flex-direction:column;align-items:flex-start;gap:15px}.schedule-heading h1{font-size:24px}.date-picker{width:100%}.date-picker input{flex:1;min-width:0;text-align:center}.date-picker button{width:44px}.schedule-tools{flex-wrap:wrap;gap:8px;margin-top:13px}.sync-tools{width:100%;justify-content:space-between}.quick-dates button{min-width:60px}.channels{gap:7px;margin:10px 0 0}.channel{flex:1;min-width:75px;padding:10px 12px;font-size:12px}.grid-panel{padding:14px;margin-top:15px}.grid-top{align-items:flex-start;flex-direction:column;gap:12px}.grid-top>div>span{font-size:11px}.legend{gap:11px}.legend>span{font-size:10px}.grid-caption{font-size:11px;align-items:flex-start;line-height:1.6}.slots{grid-template-columns:repeat(3,minmax(0,1fr));gap:7px}.slot{height:72px;padding:9px}.slot-time{font-size:10px}.slot-status{font-size:11px;margin-top:12px}.selection-bar{position:sticky;bottom:0;z-index:3;flex-direction:column;align-items:stretch;gap:13px;padding:15px 0 12px;margin-top:16px;box-shadow:0 -8px 12px #fff}.selection-actions{width:100%}.selection-actions .primary{flex:1}.selection-actions button{font-size:12px}.selection-copy strong{font-size:13px}.selection-copy small{font-size:11px}.page-heading{padding:30px 0 22px}.page-heading>button{font-size:12px;padding:10px 12px}.page-heading p{font-size:12px}.booking-card{flex-wrap:wrap;padding:16px;gap:12px}.booking-date{min-width:76px;padding-right:12px;font-size:11px}.booking-date strong{font-size:19px}.booking-info h3{font-size:13px;line-height:1.5}.booking-info .booking-time{font-size:16px}.booking-actions{width:100%;flex-direction:row;border-top:1px solid #e5ebf0;padding-top:12px;justify-content:flex-end}.booking-actions button,.booking-actions a{min-height:38px;font-size:12px;padding:8px 12px}.account-card{padding:18px}.account-form{flex-direction:column;align-items:stretch;gap:16px}.account-form label{width:100%}.account-form>button{margin-top:2px}.user-row{align-items:flex-start;flex-direction:column}.user-actions{width:100%}.user-actions button{flex:1}.app-dialog{padding:22px}footer{margin-top:32px;font-size:10px}footer span:last-child{display:none}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

/* Hu Lab: academic blue, warm gold, instrument illustrations. */
:root{color:#23364b;background:#f1f4f8;--green:#102e50;--muted:#718095;--line:#dce3ec;--gold:#c5a46b;--danger:#a33b40}
body{background-image:radial-gradient(#cbd6e344 .7px,transparent .7px);background-size:12px 12px}
h1>span{color:var(--gold)}.eyebrow{color:#7790aa}.primary:hover{background:#204f7d}.primary,.secondary,.back-button{border-radius:7px}
.brand-mark{border:1px solid #d3b477;border-radius:9px;background:#102e50;color:#dfc58e;font-family:Georgia,serif;font-weight:bold;box-shadow:inset 0 0 0 4px #ffffff0c}.brand-mark.small{width:42px;height:42px;font-size:29px;border-radius:7px}
.login-screen{grid-template-columns:1.08fr 1fr}.login-brand{overflow:hidden;position:relative;background:radial-gradient(ellipse at 95% 25%,#27639470,transparent 60%),linear-gradient(135deg,#102e50,#071c35);padding:7vh 5.5vw}.login-brand::after{content:"";position:absolute;width:480px;height:480px;border:1px solid #91b3d326;border-radius:50%;right:-260px;bottom:30px;box-shadow:0 0 0 60px #abc6df08,0 0 0 120px #abc6df05;pointer-events:none}.university-lockup{display:flex;align-items:center;gap:15px;position:relative;z-index:1}.university-lockup strong{font-family:"STSong","SimSun",serif;font-size:23px;letter-spacing:1px;display:block}.university-lockup small{display:block;font-size:7px;letter-spacing:.065em;margin-top:8px;color:#a6bbd0}.login-brand>.login-kicker{font-size:10px;letter-spacing:.18em;color:#c5ac7d;margin:65px 0 24px}.login-brand h1{font-family:"STSong","SimSun",serif;font-size:clamp(42px,4.3vw,65px);line-height:1.45;letter-spacing:.06em;margin:0 0 20px}.login-brand p{color:#a9bfd3;line-height:2.2}.login-facilities{display:flex;gap:12px;flex-wrap:wrap;margin:12px 0 45px}.login-facilities span{border:1px solid #a6bbd031;padding:7px 12px;border-radius:4px;font-size:11px;color:#c2d0dd}.login-foot{font-family:Georgia,serif;font-size:23px;color:#d9bd88;margin-top:auto;padding-top:22px;border-top:1px solid #ffffff25;width:100%;position:relative;z-index:1}.login-foot span{font-family:"Microsoft YaHei",sans-serif;font-size:11px;margin-left:16px;color:#9cb1c5}.login-panel{background:#f7f9fc}.login-card{width:min(380px,100%)}
.institution-bar{background:#0b2542;color:#d6e1ec;font-size:11px;letter-spacing:.04em;border-top:3px solid var(--gold)}.institution-bar>div{max-width:1280px;margin:auto;display:flex;justify-content:space-between;padding:9px 32px}.institution-bar span:last-child{color:#a9bbce;font-size:10px}header{background:#fffffff5;backdrop-filter:blur(8px);box-shadow:0 3px 16px #14345005}.header-inner{max-width:1280px;min-height:80px}.logo strong{font-family:Georgia,serif;font-size:22px;color:#102e50}.logo b{font-family:"Microsoft YaHei",sans-serif;font-size:15px;margin-left:6px}.logo small{color:#8b9caf;font-size:8px;letter-spacing:.08em;margin-top:5px}.main-nav a.active{border-bottom-color:var(--gold)}main{max-width:1280px}
.intro{position:relative;overflow:hidden;padding:36px 38px;margin-top:28px;border-radius:12px;background:radial-gradient(ellipse at 65% 20%,#2f68965c,transparent 65%),linear-gradient(110deg,#102e50,#0d2440);color:#fff;border:1px solid #244564;min-height:260px;box-shadow:0 8px 24px #102e5012}.intro::before{content:"";position:absolute;inset:0;background-image:linear-gradient(#ffffff05 1px,transparent 1px),linear-gradient(90deg,#ffffff05 1px,transparent 1px);background-size:32px 32px;pointer-events:none}.intro-copy{z-index:1;position:relative}.intro .eyebrow{color:#c3ac7f;font-size:10px}.intro h1{font-family:"STSong","SimSun",serif;font-size:35px;font-weight:700;letter-spacing:.04em}.intro p{color:#adc0d3;font-size:13px;margin-bottom:18px;line-height:1.9}.hero-tags{display:flex;gap:9px;flex-wrap:wrap}.hero-tags>span{padding:5px 9px;font-size:10px;border:1px solid #c6d6e52e;background:#ffffff06;color:#ccdae5;border-radius:4px}.research-orbit{position:absolute;width:260px;height:260px;left:58%;top:50%;transform:translate(-50%,-50%);opacity:.5;pointer-events:none}.research-orbit i{position:absolute;inset:20px;border:1px solid #8ab5d768;border-radius:50%;transform:rotate(40deg) scaleY(.5)}.research-orbit i:nth-child(2){transform:rotate(-40deg) scaleY(.5)}.research-orbit i:nth-child(3){transform:rotate(90deg) scaleY(.5)}.orbit-core{position:absolute;inset:95px;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#c8b487;font-size:28px;font-family:Georgia,serif}.orbit-core>span{font-size:10px;letter-spacing:4px;margin-top:4px}.orbit-node{width:8px;height:8px;background:#c8b487;border:2px solid #d9cbab;position:absolute;border-radius:50%}.n1{top:60px;left:60px}.n2{top:170px;left:179px}.n3{top:25px;left:128px}.date-stamp{position:relative;border-left:1px solid #d4dfeb30;padding-left:24px;min-width:155px}.date-stamp>span{color:#c2cfdb}.date-stamp strong{font-family:Georgia,serif;font-size:42px;color:#ddc697;font-weight:400}.date-stamp small{font-family:"Microsoft YaHei",sans-serif;color:#c2cfdb}.date-stamp p{font-size:10px;margin:11px 0 0;color:#91a9bf}
.overview-stats{display:grid;grid-template-columns:repeat(3,1fr);background:#fff;border:1px solid var(--line);border-radius:9px;margin-top:16px;padding:18px 0;box-shadow:0 3px 12px #102e5003}.overview-stats>div{display:flex;align-items:center;gap:15px;padding:0 28px;border-right:1px solid #e4e9f0}.overview-stats>div:last-child{border-right:0}.stat-icon{font-family:Georgia,serif;font-size:15px;border:1px solid #d8c39e;color:#a58b5d;width:36px;height:36px;border-radius:50%;display:grid;place-items:center;flex-shrink:0}.overview-stats p{margin:0}.overview-stats strong{display:block;color:#15395d;font-size:24px;font-family:Georgia,serif;line-height:1.4}.overview-stats small{font-family:"Microsoft YaHei",sans-serif;font-size:12px;font-weight:400;margin-left:3px}.overview-stats p>span{display:block;font-size:10px;color:#8b9aab;margin-top:3px}.section-title .eyebrow{display:block;font-size:9px;margin-bottom:7px;color:#9d8b68}.section-title h2{font-size:21px;color:#193b5d}
.device-card{border-top:3px solid #1f4e78;border-radius:8px;padding:18px;color:#193b5d;transition:transform .15s,box-shadow .15s}.device-card:hover{box-shadow:0 10px 26px #1e487416;border-color:#91acc5;border-top-color:var(--gold)}.card-top{display:flex;justify-content:space-between;align-items:center;gap:5px}.card-number{font-size:8px;letter-spacing:.08em;color:#9ba9b6}.card-category{font-size:9px;color:#7b8fa2;white-space:nowrap}.device-illustration{height:119px;background:linear-gradient(135deg,#f3f7fc,#e9eff6);border-radius:5px;color:#577b9b;display:grid;place-items:center;margin:17px 0 18px;position:relative;overflow:hidden}.device-illustration::before{content:"";position:absolute;width:100px;height:100px;border:1px solid #5a80a010;border-radius:50%;box-shadow:0 0 0 14px #5a80a005}.device-illustration svg{width:100%;height:102px;position:relative}.device-card h3{font-size:15px;line-height:1.5;min-height:23px}.device-card p{font-size:11px;margin-bottom:18px;color:#8c9bab}.card-bottom{font-size:11px}.card-bottom>span:last-child{font-size:17px;color:#b29b70}.help-strip{background:#f8f6f0;border:1px solid #e5ddcb;border-left:3px solid #c3a46e;border-radius:7px;padding:17px 20px}.help-icon{font-size:19px;border:1px solid #b49e75;color:#ad9463;width:26px;height:26px;flex-shrink:0;border-radius:50%;display:grid;place-items:center;font-family:Georgia,serif}.help-strip strong{font-size:12px;color:#7d6844}.help-strip p{font-size:11px;color:#9a8b71;line-height:1.8}.help-strip>a{color:#826a42}
.schedule-heading h1,.page-heading h1{color:#193d61}.schedule-heading .eyebrow,.page-heading .eyebrow{color:#ad9361}.grid-panel,.account-card{border-top:3px solid #bd9c63;border-radius:9px;box-shadow:0 4px 14px #12375c04}.slot{border-radius:6px;height:80px}.slot.chosen{background:#e0ecfb;border-color:#628dba;box-shadow:inset 0 0 0 1px #628dba}.slot.mine{background:#f2eee4;border-color:#d9c9a7}.slot.mine .slot-status{color:#9a7d45}.mine{background:#e9e3d4}.slot.cancel-chosen{background:#fff0ef;border-color:#bd6065;box-shadow:inset 0 0 0 1px #bd6065}.slot.cancel-chosen .slot-status{color:#a33b40}.danger{display:inline-flex;align-items:center;justify-content:center;border-radius:7px;padding:12px 18px;font-size:13px;font-weight:700;min-height:44px;white-space:nowrap;background:var(--danger);color:white}.danger:hover{background:#822e33}.booking-card{border-left:3px solid #bc9d67;border-radius:7px}.booking-info{min-width:0}.booking-date{color:#9c8762}.booking-date strong{font-family:Georgia,serif;font-size:24px}.app-dialog{border-top:3px solid var(--gold)}
.progress-dialog{border:1px solid #d4deea;border-top:3px solid var(--gold);border-radius:10px;padding:30px 48px;text-align:center;color:#173e65;box-shadow:0 15px 60px #071c3533;max-width:calc(100vw - 40px)}.progress-dialog::backdrop{background:#0a213d88;backdrop-filter:blur(3px)}.progress-dialog p{font-size:17px;font-weight:700;margin:17px 0 7px;color:#173e65}.progress-dialog small{font-size:11px;color:#869bb0}.progress-spinner{width:34px;height:34px;border:3px solid #dfe7f0;border-top-color:#285a8b;border-radius:50%;margin:auto;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}
footer{font-size:10px;margin-top:35px}footer strong{font-family:Georgia,serif;font-size:15px;color:#56718d}
@media(max-width:1000px){.overview-stats>div{padding:0 20px}.research-orbit{left:61%;opacity:.3}.intro{padding:32px}.intro h1{font-size:31px}.device-illustration{height:130px}.device-illustration svg{height:115px}}
@media(max-width:600px){.login-screen{grid-template-columns:1fr}.login-brand{min-height:260px;padding:28px}.university-lockup strong{font-size:18px;letter-spacing:0}.university-lockup small{font-size:6px}.login-brand>.login-kicker{margin:28px 0 12px;font-size:8px}.login-brand h1{font-size:32px;line-height:1.4;margin:0}.login-brand h1 br{display:none}.login-facilities{display:none}.institution-bar>div{padding:8px 18px;font-size:10px}.institution-bar span:last-child{display:none}.header-inner{min-height:105px}.logo small{display:block;font-size:7px}.logo strong{font-size:21px}.logo b{font-size:13px;margin-left:4px}.brand-mark.small{width:34px;height:34px;font-size:25px}.intro{padding:26px 22px;margin-top:18px;min-height:235px;border-radius:8px}.intro h1{font-size:27px}.intro .eyebrow{font-size:8px;letter-spacing:.08em}.intro p{font-size:12px}.research-orbit{left:auto;right:-110px;opacity:.2;transform:translateY(-50%)}.hero-tags{gap:6px}.hero-tags>span{font-size:9px}.overview-stats{margin-top:12px;padding:15px 0}.overview-stats>div{padding:0 12px;gap:0}.stat-icon{display:none}.overview-stats strong{font-size:23px}.overview-stats small{font-size:10px;display:block;margin:2px 0 0}.overview-stats p>span{display:none}.section-title h2{font-size:19px}.device-card{padding:13px}.card-top{flex-wrap:wrap;gap:5px}.card-number{font-size:7px}.card-category{font-size:8px}.device-illustration{margin:12px 0 14px;height:96px}.device-illustration svg{height:82px}.device-card h3{font-size:13px;line-height:1.6;min-height:42px;margin-bottom:7px}.device-card p{font-size:10px;min-height:32px;margin-bottom:12px}.card-bottom{font-size:10px;padding-top:10px}.help-strip{padding:14px 12px;gap:11px}.help-strip p{font-size:10px}.help-icon{width:23px;height:23px;font-size:17px}.grid-panel{padding:14px}.slot{height:74px;padding:8px}.slot-status{font-size:10px}.selection-actions .danger{flex:1}.selection-copy small{font-size:10px}.booking-date strong{font-size:21px}footer{font-size:9px}}
@media(prefers-reduced-motion:reduce){.progress-spinner{animation:none;border-style:dashed}}

/* Official HIT emblem and Shenzhen campus main building. */
.university-emblem{display:block;width:68px;height:60px;object-fit:contain;flex-shrink:0}
.university-lockup .university-emblem{filter:brightness(0) invert(1);opacity:.96}
.university-emblem.small{width:42px;height:38px}
.login-brand{background-color:#0b2544;background-image:linear-gradient(110deg,rgba(8,27,50,.94) 0%,rgba(10,35,62,.83) 45%,rgba(12,42,73,.52) 100%),url('/assets/hitsz-campus.jpg?v=20261103-5');background-size:cover;background-position:18% center;background-repeat:no-repeat}
.login-brand::after{display:none}
.login-brand>h1,.login-brand>p,.login-kicker,.login-facilities{position:relative;z-index:1}
.login-brand h1{text-shadow:0 2px 18px #071a2e55}
@media(max-width:600px){.university-emblem{width:48px;height:44px}.university-emblem.small{width:34px;height:32px}.university-lockup{gap:12px}.login-brand{background-position:center 45%}}

/* A shared campus identity for every workspace. */
.login-brand>h1{margin-top:clamp(64px,14vh,140px)}
@media(max-width:600px){.login-brand>h1{margin-top:36px;margin-bottom:0}.login-brand{min-height:260px}}
.intro{background-image:linear-gradient(100deg,#0b2547f7 10%,#102e50e6 50%,#0d315a88 100%),url('/assets/hitsz-campus.jpg?v=20261103-5');background-size:cover;background-position:center 42%;min-height:275px}
.intro .research-orbit{display:none}.intro h1{font-size:37px;letter-spacing:.04em}.intro p{max-width:490px;line-height:2}.date-stamp{background:#0a234159;border:1px solid #b8cfe12b;border-left:2px solid #c5a46b;border-radius:5px;padding:21px 23px;backdrop-filter:blur(3px)}
.page-banner{position:relative;overflow:hidden;padding:28px 30px;margin:3px 0 22px;min-height:168px;border-radius:10px;background-color:#102e50;background-image:linear-gradient(100deg,#0b2547f7 12%,#102e50ed 52%,#0e315ab3 100%),url('/assets/hitsz-campus.jpg?v=20261103-5');background-size:cover;background-position:right 42%;border:1px solid #244564;box-shadow:0 8px 20px #102e500b;color:#fff}
.page-heading.page-banner{margin-top:28px}.page-banner h1{font-family:"STSong","SimSun",serif;color:#f6f8fc;font-size:32px;letter-spacing:.035em}.page-banner .eyebrow{color:#d0b98e;letter-spacing:.12em;font-size:10px}.page-banner p{color:#b6c8da;max-width:610px;line-height:1.9;font-size:12px}.page-heading.page-banner>.secondary{background:#ffffff0b;color:#e4edf5;border-color:#c2d4e73d;flex-shrink:0}.page-banner .date-picker{align-self:flex-end}.page-banner .date-picker button,.page-banner .date-picker input{background:#f5f8fc;color:#244768;border-color:#bdcee0}
.grid-panel{padding:24px;box-shadow:0 8px 25px #173f6607}.grid-top{padding-bottom:17px;border-bottom:1px solid #e4eaf1}.grid-top h2{border-left:3px solid #c5a46b;padding-left:10px}.grid-caption{padding:11px 13px;background:#f3f6fa;border:1px solid #e7edf4;border-radius:6px;margin:17px 0;color:#6f849b}.channels{margin-top:14px}.channel.active{box-shadow:0 4px 10px #123b6015}.selection-bar{border-top:1px solid #d9e4ef}.selection-copy strong{letter-spacing:.025em}.slot{transition:box-shadow .15s,border-color .15s}.slot:not(:disabled):hover{box-shadow:0 3px 9px #183c6310}
.booking-card{padding:21px 24px;box-shadow:0 3px 14px #14345004}.booking-date{background:#102e50;border:0;border-radius:7px;text-align:center;padding:14px 12px;min-width:93px;color:#b8c9da;font-size:11px}.booking-date strong{color:#dcc18d;font-size:26px;font-weight:400}.booking-info h3{color:#254b70;font-weight:600}.booking-info .booking-time{font-family:Georgia,"Microsoft YaHei",serif;color:#355f86;font-size:21px}.booking-actions .text-button{color:#9d5356}.empty-state{padding:66px 24px;border:1px solid #d9e3ee;border-top:3px solid #c4a771;background:linear-gradient(145deg,#fff,#f5f8fc)}.empty-state h2{font-family:"STSong","SimSun",serif;font-size:24px;color:#24496c}.empty-state>span{color:#b7a175}.empty-state .primary{margin-top:13px}
.account-card{position:relative;padding:29px}.account-card h2{color:#24496c;font-size:20px}.account-card>.eyebrow{font-size:9px;letter-spacing:.12em;color:#a59068}.account-card>p{color:#7d91a6;font-size:12px}.section-index{position:absolute;right:25px;top:17px;font-family:Georgia,serif;font-size:45px;color:#c3a56d30;pointer-events:none}.account-form{padding-top:8px}.account-form input{background:#fbfcfe;border-color:#d9e3ee}.user-row{padding:17px 0}.user-badge{border:1px solid #d9e4ef}.login-brand>.login-kicker{color:#d9c18f}.login-brand h1{font-size:clamp(40px,4.1vw,61px);letter-spacing:.055em}.login-brand>p{line-height:2.2;color:#cedbe8}
@media(max-width:1000px){.intro h1{font-size:31px}.intro p{max-width:400px}.page-banner{padding:25px;gap:20px}.page-banner h1{font-size:27px}.page-banner p{max-width:420px}.page-banner .date-picker input{width:150px}}
@media(max-width:600px){.login-brand{min-height:300px}.login-brand h1{font-size:30px;line-height:1.5}.login-brand h1 br{display:block}.intro{min-height:250px;padding:25px 22px;background-position:65% 42%}.intro h1{font-size:27px}.intro p{font-size:11px;max-width:280px}.page-banner{padding:23px 20px;margin:0 0 17px;min-height:170px;border-radius:8px;background-position:65% 45%}.page-heading.page-banner{margin-top:18px;align-items:flex-start}.page-banner h1{font-size:26px;margin-bottom:10px}.page-banner .eyebrow{font-size:8px;letter-spacing:.06em;line-height:1.8}.page-banner p{font-size:11px;line-height:1.9}.page-banner .date-picker{margin-top:4px}.page-banner .date-picker input{width:auto}.page-heading.page-banner>.secondary{padding:8px 10px;min-height:38px;font-size:11px}.grid-panel{padding:14px}.grid-caption{padding:9px 10px;font-size:10px}.grid-top{padding-bottom:13px}.booking-card{padding:16px;gap:13px}.booking-date{min-width:72px;padding:12px 9px;font-size:10px}.booking-date strong{font-size:22px}.booking-info .booking-time{font-size:18px}.account-card{padding:21px 18px}.section-index{font-size:37px;right:18px;top:15px}.account-card h2{font-size:18px}.account-card>p{font-size:11px}.empty-state{padding:45px 20px}.empty-state h2{font-size:21px}}

/* Keep the opening concise; give the architecture and headline room to speak. */
.login-brand{display:grid;grid-template-rows:auto 1fr auto;align-items:start;isolation:isolate;background-image:linear-gradient(110deg,rgba(8,27,50,.94) 0%,rgba(10,35,62,.77) 44%,rgba(12,42,73,.43) 100%),url('/assets/hitsz-campus.jpg?v=20261103-5');background-position:38% center}
.login-brand::after{display:block;inset:22px;width:auto;height:auto;right:22px;bottom:22px;border:1px solid #d1bc8f26;border-radius:3px;box-shadow:none;background:none;z-index:0}
.login-brand>h1{align-self:center;margin:0;padding:50px 0 64px;font-size:clamp(44px,4.7vw,66px);font-weight:400;line-height:1.65;letter-spacing:.075em}
.login-brand>h1::after{content:"";display:block;width:52px;height:2px;background:#d0b47f;margin-top:24px;opacity:.85}
.login-brand .login-foot{margin-top:0}
@media(max-width:600px){.login-screen>.login-brand{min-height:300px;padding:27px 28px}.login-brand::after{inset:13px;right:13px;bottom:13px}.login-brand>h1{padding:28px 0 8px;font-size:32px;line-height:1.55;margin:0}.login-brand>h1::after{width:35px;margin-top:16px}.login-brand{background-position:center 42%}.login-brand .login-foot{display:none}}