/* Warm winter theme. The photograph is decorative; all content remains HTML. */
:root{--bg:#eaf0f5;--paper:#fffdf9;--ink:#173d66;--muted:#64778c;--border:#d4dfe9;--green:#2c4e96;--warm:#fff0dc;--orange:#98672e;color-scheme:light}
html{min-height:100%;background:#dbe6ef;scroll-behavior:smooth;scroll-padding-top:24px}
body{min-height:100vh;color:var(--ink);background:transparent;isolation:isolate;font-family:"Segoe UI","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}
body:before{content:"";position:fixed;inset:-6px;z-index:-2;background:url('/assets/harbin-warm-winter.png') 63% 42%/cover no-repeat;filter:blur(2px);pointer-events:none}
body:after{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;background:linear-gradient(90deg,rgba(18,51,98,.9),rgba(27,64,111,.65) 45%,rgba(43,77,118,.1)),linear-gradient(0deg,rgba(26,58,97,.45),transparent 65%)}
a,button,input,select,textarea{-webkit-tap-highlight-color:transparent}
a,button{transition:background .18s,border-color .18s,box-shadow .18s,transform .18s}
:focus-visible{outline:3px solid #d3a35e!important;outline-offset:4px}
.site-shell{max-width:1440px;padding:0 56px;margin:auto}
.preview-banner{display:none}
.site-header{grid-template-columns:minmax(340px,1fr) auto auto;align-items:center;gap:24px;padding:28px 0 22px;border-bottom:1px solid #ffffff40;color:#fff;min-height:100px}
.site-header .brand{color:#fff;gap:14px;font-size:20px;line-height:1.5;grid-row:1;grid-column:1}
.brand-en{font-size:9px;letter-spacing:1.5px;color:#e3eaf5;margin-top:5px}
.brand-symbol{display:block;position:relative;overflow:hidden;width:60px;height:58px;flex:0 0 60px;background:none;border:0;border-radius:0;transform:none}
.brand-symbol img{display:block;position:static;width:100%;height:100%;max-width:100%;object-fit:contain;filter:brightness(0) invert(1)}
.heading-icon{color:#8b9db1}.legend{color:#64798e}
.organizer-contacts{display:flex;flex-direction:column;gap:13px;white-space:normal;line-height:1.8}.organizer-contact{display:block;overflow-wrap:anywhere}.organizer-name{font-weight:600;color:#294f85;text-decoration:underline;text-underline-offset:4px}.organizer-email{color:#536c87;text-decoration:none;overflow-wrap:anywhere}.organizer-email:hover{text-decoration:underline;text-underline-offset:3px}
.site-header nav,html[lang=en] .site-header nav{display:flex;grid-column:2;grid-row:1;border:0;width:auto;margin:0;gap:22px;font-size:12px}
.site-header nav a,.site-header nav a+a{border:0;padding:12px 0;min-height:0;color:#e6edf7;white-space:nowrap;background:none}
.site-header nav a[aria-current=page]{color:#fff;background:none}
.site-header nav a[aria-current=page]:after{background:#e8bb78;left:0;right:0;bottom:2px;height:2px}
.site-header nav a:hover{color:#fff;text-shadow:0 0 12px #ffffff70}
.site-header .language-toggle{grid-column:3;grid-row:1;color:#fff;border-color:#ffffff70;background:#ffffff12;padding:7px 10px;font-size:11px;min-width:47px}
.site-header .language-toggle:hover{background:#ffffff25}
.home-minimal{max-width:none}
.home-intro{text-align:left;padding:70px 0 48px;min-height:495px;max-width:780px}
.home-season{color:#e7d4b7;letter-spacing:3.5px;font-size:11px;margin-bottom:20px}
.home-intro h1{color:#fffdf7;font-family:"Noto Serif SC","Songti SC","STSong","SimSun",serif;font-size:clamp(36px,3.5vw,52px);line-height:1.5;letter-spacing:3px;margin:0;font-weight:500;text-shadow:0 2px 20px #12346420}
.home-working-title{color:#ebdfcc;font-size:10px;border:1px solid #ffffff45;border-radius:3px;padding:3px 8px;margin-top:13px}
.home-key-details{margin-top:24px}
.home-date{justify-content:flex-start;color:#fff7e9;font-size:24px;font-weight:500;letter-spacing:1px;gap:18px}
.home-date>span{color:#dfc7a4}
.home-place{justify-content:flex-start;color:#fff3df;font-size:14px;margin-top:12px;gap:16px}
.home-venue{color:#e2e9f2;border-color:#ffffff50;font-size:12px;padding-left:16px}
.home-introduction{margin:20px 0 0;color:#edf0f4;font-size:14px;line-height:1.9;max-width:650px}
.home-actions{display:flex;gap:14px;margin-top:26px;flex-wrap:wrap}
.home-actions a{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:11px 28px;border-radius:5px;border:1px solid #ffffff70;color:#fff;font-size:13px;background:#ffffff14;backdrop-filter:blur(8px)}
.home-actions a:first-child{background:#fff8e9;color:#24477e;border-color:#fff8e9;box-shadow:0 5px 22px #173d6620}
.home-actions a:hover{transform:translateY(-2px);background:#fff3d9;color:#24477e}
.quick-heading{display:flex;align-items:baseline;gap:20px;color:#fffdf8;margin:10px 0 18px}
.quick-heading h2{font-size:21px;font-weight:500;margin:0;letter-spacing:1px}
.quick-heading p{font-size:12px;color:#e5e8eb;margin:0}
.home-entry-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.home-entry,.home-entry.primary-entry{min-height:180px;display:grid;grid-template-columns:1fr auto;align-items:start;gap:12px;padding:24px;border:1px solid #fff9;border-radius:8px;background:linear-gradient(135deg,#fffdf7f2,#fffaf0e8);box-shadow:0 10px 30px #18345418;backdrop-filter:blur(14px)}
.home-entry:hover,.home-entry.primary-entry:hover{background:#fffdf8;border-color:#f0cc99;transform:translateY(-4px);box-shadow:0 15px 35px #18345425}
.entry-number{font-size:22px;color:#8b9fb6;grid-column:1;line-height:1}
.entry-copy{grid-column:1/-1;grid-row:2;gap:10px}
.entry-copy>strong{color:#27497d;font-size:19px;font-weight:600}
.entry-copy>span{color:#62768a;font-size:12px;line-height:1.8;max-width:220px}
.entry-arrow{grid-column:2;grid-row:1;color:#9e793f;font-size:22px;align-self:start;margin:0}
.site-footer{margin-top:48px;padding:24px 0 28px;border-color:#ffffff40;color:#e9edf2;font-size:10px;gap:20px}
.site-footer a{color:#fff5df}
.page-heading{padding:40px 0 26px;color:#fffaf2}
.page-heading h1{font-family:"Songti SC","SimSun",serif;font-size:34px;color:#fffaf2;font-weight:500}
.page-heading>p,.page-shortcuts a{color:#e5eaf1;font-size:13px;line-height:1.8}
.section-kicker{color:#99713d;letter-spacing:2px;font-size:10px}
.page-heading .section-kicker{color:#ead6b6}
.flow{color:#fff8ed;margin-bottom:24px}.flow-line{background:#ffffff55}.flow-step{color:inherit}.flow-step.muted{color:#e0e6ee}.step-num,.step-num.light{background:#fff7e9;color:#294b83;border-color:#ffffff60}
.card,.practical-card,.public-notices,.programme-card{background:#fffdf9f5;border:1px solid #ffffffc0;border-radius:9px;box-shadow:0 8px 26px #173d661a;backdrop-filter:blur(16px);color:var(--ink)}
.section-heading h2,.card h2,.card h3,.directory-heading h2,.subsection-heading h2,.abstract-title,.directory-name,.surname-group>h3{color:#24466f}
.section-description,.card p,.summary-card p,.directory-institution,.abstract-author,.abstract-text,.catalogue-empty,.gallery-empty p,.directory-heading>p{color:#60758a}
.tag{background:#edf2f8;color:#47658c;border-color:#d8e2ed}
.registration-content .months{gap:48px}.month+.month:before{background:#d9e2eb}.month-heading h3,.month-heading h3 span{color:#294b75}.month-en,.weekdays{color:#6b7e94}
.day.available{background:#edf2f8;color:#294f7e;border-color:#dae4ef}.day.highlight.available{background:#fff0da;color:#855b28;border-color:#efdbbb}.day.available:hover{border-color:#375ca0;box-shadow:0 0 0 1px #375ca0}
.day.selected,.day.highlight.selected{background:#2d4f97;color:#fff;border-color:#2d4f97;box-shadow:0 3px 8px #2d4f9730}.day.selected small,.day.highlight.selected small{color:#fff}.day.outside,.day.closed{color:#adb8c4;background:#f2f3f4}
.legend-dot.chosen{background:#2d4f97}.legend-dot.warm{background:#f1d4aa}.legend-dot.unavailable{background:#e4e8ec}.warm-text{color:#91632e}
.quick-actions button{color:#315486;background:#edf2f8;border-color:#d7e2ef}.quick-actions button:first-child{background:#fff1dd;color:#815c2e;border-color:#e8d5b6}
.selected-chip,.record-dates>span{background:#edf2f8!important;color:#315486!important;border-color:#d8e2ec}.selected-chip button{color:#315486}.day-count strong{color:#2d4f97}.summary-continue,.submit-button{background:#2d4f97;color:#fff;border-color:#2d4f97}.summary-continue:hover,.submit-button:hover{background:#244582}.live-indicator{color:#7f602f;background:#fff0d8}
.form-card input,.form-card textarea,.form-card select,input,textarea,select{background:#fffefa;color:#24466f;border-color:#cbd8e5;font-size:14px;line-height:1.6;border-radius:5px}.form-card input:focus,.form-card textarea:focus,.form-card select:focus{border-color:#4667a0;box-shadow:0 0 0 3px #4266a01c;outline:0}.form-card label,.form-grid label,.field-label{color:#355475}.helper,.privacy-note,.saved-time{color:#718095}.optional{color:#7d8da1}
input[type=checkbox],input[type=radio]{accent-color:#2d4f97}.participation-notes{background:#fff5e6;border-color:#e4d2b5;color:#7b5d34}.participation-notes p{color:#7b5d34}
.participant-directory-row,.directory-heading,.abstract-entry{border-color:#cdd9e5}.alphabet-index button{color:#335d96;min-width:28px;min-height:32px}.alphabet-index button:disabled{color:#abb7c4}.surname-note{color:#6c8197}.gallery-empty h2{color:#34577d}.gallery-empty{color:#8b9db1}
.subsection-heading{color:#fffaf2}.subsection-heading h2{color:#fffaf2}
.account-actions{color:#fff8ed;background:transparent!important;border:0!important;box-shadow:none;gap:18px;padding:12px 0 0;font-size:12px;line-height:1.6;min-width:0;text-shadow:0 1px 3px #17345488}
.account-actions a,.account-actions span{color:#fff8ed!important}.account-actions>span{opacity:.88;min-width:0;overflow-wrap:anywhere}
.account-actions a{display:inline-flex;align-items:center;min-height:32px;padding:3px 0;text-decoration:none;text-underline-offset:5px;border-radius:3px;white-space:nowrap}.account-actions a:hover{text-decoration:underline;color:#fff!important}
.account-action{background:#fff9ed!important;color:#294b83!important;border-color:#ffffff88!important}.account-panel{background:#fffdf9!important}.online-status{color:#fff1d7!important}.online-status.is-error{color:#ffe2dc!important}
@media(max-width:650px){.account-actions{gap:3px 18px;padding-top:10px;font-size:11px}.account-actions>span{flex-basis:100%;text-align:right}.account-actions a{min-height:36px}}
.admin-page main{max-width:1280px;padding:34px 32px 60px}.admin-page header{color:#fff;border-color:#ffffff50}.admin-page header h1{color:#fffaf0}.admin-page header p,.admin-page header .muted{color:#e9e5df}.admin-page header>a,.admin-page main>nav a{color:#fff5e3}.admin-page main>nav{margin:0 0 24px}.admin-page .card{padding:28px}.admin-page .muted{color:#697c90}.admin-page button,.admin-page .button{background:#2d4f97;border-color:#2d4f97}.admin-page .secondary{background:#fffdf9;color:#34537f;border-color:#ccd9e7}.admin-page th{color:#526e8c}.admin-page td,.admin-page th{border-color:#dce3eb}.admin-page .message{background:#fff3de;color:#6e542e}.admin-page dialog{background:#fffdf9;color:#24466f;border-color:#d9c6a8;box-shadow:0 25px 80px #142c4e66}.admin-page dialog::backdrop{background:#132b4c99}.admin-page .columns{gap:20px 28px}.admin-page input,.admin-page textarea,.admin-page select{padding:11px 12px}
html[lang=en] .home-intro h1{font-size:43px;line-height:1.25;max-width:700px;color:#fffdf7}html[lang=en] .home-place{font-size:13px}html[lang=en] .entry-copy>strong{font-size:18px}
@media(min-width:1500px){.home-intro{min-height:560px;padding-top:88px}.home-entry{min-height:192px}}
@media(max-width:1150px){.site-shell{padding:0 34px}.site-header{grid-template-columns:1fr auto;gap:14px;padding:23px 0 0}.site-header .language-toggle{grid-column:2}.site-header nav,html[lang=en] .site-header nav{grid-row:2;grid-column:1/-1;display:flex;justify-content:space-between;width:100%;margin-top:8px;gap:12px}.site-header nav a{padding:15px 4px}.home-intro{padding-top:50px;min-height:465px}.home-entry-grid{gap:13px}.home-entry,.home-entry.primary-entry{padding:20px}.entry-copy>strong{font-size:17px}.entry-copy>span{font-size:11px}}
@media(max-width:760px){body:before{background-position:65% top;filter:blur(2px)}body:after{background:linear-gradient(90deg,#15365ee8,#1c45749e),linear-gradient(0deg,#173d6660,transparent)}.site-shell{padding:0 22px}.site-header .brand{font-size:17px;gap:10px}.brand-en{font-size:7px;letter-spacing:.6px;max-width:none}.site-header nav,html[lang=en] .site-header nav{font-size:11px;gap:4px}.site-header nav a{white-space:normal;padding:14px 3px;line-height:1.6;flex:1}.home-intro{padding:44px 0 32px;min-height:0;max-width:600px}.home-season{font-size:9px;letter-spacing:2px}.home-intro h1{font-size:36px;letter-spacing:1px}.home-date{font-size:21px}.home-place{font-size:13px}.home-introduction{font-size:13px;line-height:1.9;max-width:450px}.home-actions{margin-top:23px}.home-entry-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.home-entry,.home-entry.primary-entry{min-height:167px;padding:20px}.entry-copy>span{font-size:12px}.quick-heading{margin-top:20px;gap:12px;flex-wrap:wrap}.quick-heading h2{font-size:19px}.quick-heading p{font-size:11px}.site-footer{margin-top:32px;display:flex;flex-wrap:wrap;line-height:1.8}.site-footer span:nth-child(2){display:none}.page-heading{padding-top:32px}.page-heading h1{font-size:29px}.page-heading>p{font-size:12px}.registration-content .months{grid-template-columns:1fr;gap:26px}.registration-content .month+.month{border-color:#d6e0e9}.registration-content .day{height:48px;font-size:14px}.registration-content .calendar-card,.registration-content .form-card{padding:24px 18px}.form-card input,.form-card textarea,.form-card select{font-size:16px}.selection-summary-top{flex-wrap:wrap}.selection-summary-actions{flex-direction:row;align-items:center;flex-wrap:wrap}.flow-step{font-size:10px}.admin-page main{padding:25px 16px 40px}.admin-page .card{padding:21px 17px}.admin-page header{align-items:flex-start}.admin-page .columns{grid-template-columns:1fr}html[lang=en] .home-intro h1{font-size:34px}html[lang=en] .site-header nav{font-size:10px}html[lang=en] .entry-copy>strong{font-size:16px}}
@media(max-width:400px){.site-shell{padding:0 16px}.brand-symbol{width:48px;flex-basis:48px}.site-header .brand{font-size:15px}.brand-en{font-size:6px}.home-intro h1{font-size:31px}.home-date{font-size:18px;gap:10px}.home-place{gap:10px}.home-venue{padding-left:10px;font-size:10px}.home-entry,.home-entry.primary-entry{padding:17px 15px}.entry-copy>strong{font-size:16px}.entry-copy>span{font-size:11px}.home-actions a{padding:11px 24px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}
@media print{html,body{background:white!important;color:#173d66!important}body:before,body:after,.account-actions,.home-actions,.site-header nav,.language-toggle{display:none!important}.site-shell{padding:0}.page-heading,.page-heading h1,.page-heading>p,.site-footer,.home-intro h1,.home-season,.home-date,.home-place,.home-introduction{color:#173d66!important}.card,.home-entry{box-shadow:none;backdrop-filter:none;background:white!important;border:1px solid #ccd6e0}}