:root{font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;color:#f7fbff;background:#10489d;font-synthesis:none}
*{box-sizing:border-box}html,body{margin:0;width:100%;height:100%;overflow:hidden}button,input{font:inherit}button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid #ffe2a0;outline-offset:3px}[hidden]{display:none!important}
#invitation{height:100dvh;max-width:560px;margin:auto;overflow-y:auto;scroll-snap-type:y mandatory;scrollbar-width:none;box-shadow:0 0 68px #09285c99}#invitation::-webkit-scrollbar{display:none}
.loading{height:100%;display:grid;place-items:center}
.slide{position:relative;display:flex;align-items:center;justify-content:center;min-height:100dvh;height:100dvh;overflow:hidden;scroll-snap-align:start;isolation:isolate;background:#1d5ac2 url("client-background.jpg") center center/cover no-repeat}
.slide:before{content:"";position:absolute;z-index:-1;inset:0;background:linear-gradient(180deg,#08286122 0%,transparent 44%,#10276935 100%)}
.cover{background-image:url("client-cover.jpg")}.cover:before{background:linear-gradient(180deg,#09256d10 0%,#133e9b0b 45%,#0a2f7e20 100%)}
.cover-info{position:absolute;top:39%;left:50%;transform:translateX(-50%);width:min(82%,400px);padding:20px 14px 22px;text-align:center;background:linear-gradient(135deg,#14408e8c,#134b9d5c);border:1px solid #ffebc98c;box-shadow:0 12px 32px #11347936,inset 0 0 30px #e0caff16;backdrop-filter:blur(5px)}
.cover-info:before,.cover-info:after{content:"";position:absolute;left:50%;width:38px;height:1px;transform:translateX(-50%);background:#f6dfaa}.cover-info:before{top:10px}.cover-info:after{bottom:11px}
.cover-info p{font:26px/1.3 "STSong","Songti SC",serif;letter-spacing:.18em;margin:2px 0 13px;text-shadow:0 2px 12px #09347b}.cover-info p span{display:block;margin-top:4px;font:11px/1.4 Georgia,serif;letter-spacing:.22em;color:#fff1d4}
.cover-info strong,.cover-info small{display:block;font-weight:500}.cover-info strong{font-size:15px;line-height:1.6}.cover-info small{font-size:13px;line-height:1.6;color:#edf7ff}
.swipe-cue{position:absolute;bottom:max(21px,env(safe-area-inset-bottom));left:0;width:100%;text-align:center;color:#f7f2ea;font-size:11px;letter-spacing:.1em;text-shadow:0 2px 8px #0a2a6f}.swipe-cue span{display:block;font-size:20px;line-height:1;animation:cue 1.8s ease-in-out infinite}@keyframes cue{50%{transform:translateY(-6px)}}
.panel{position:relative;width:min(88%,450px);max-height:calc(100dvh - 90px);overflow-y:auto;scrollbar-width:thin;padding:clamp(20px,4dvh,34px) clamp(20px,5vw,31px);border:1px solid #ffe3ab8a;background:linear-gradient(165deg,#092b71dc,#103d8dd6);box-shadow:0 18px 48px #052b6d6b,inset 0 0 25px #b1c6ff0a;backdrop-filter:blur(4px)}
.panel:before,.panel:after{content:"";position:absolute;width:18px;height:18px;border-color:#ffe0a6}.panel:before{top:10px;left:10px;border-top:2px solid;border-left:2px solid}.panel:after{right:10px;bottom:10px;border-right:2px solid;border-bottom:2px solid}
.section-heading{text-align:center;margin:0 0 23px}.section-heading span{font:11px/1.3 Georgia,serif;letter-spacing:.18em;color:#ffe4b0}.section-heading h2{font:600 clamp(29px,7vw,39px)/1.25 "STSong","Songti SC",serif;letter-spacing:.09em;margin:9px 0 0;color:#fff5df;text-shadow:0 2px 12px #032559}
.letter-zh{font:17px/2 "STSong","Songti SC",serif;letter-spacing:.03em;text-align:justify;margin:0}.letter-en{font:13px/1.7 Georgia,serif;color:#dbeeff;margin:18px 0 0}.letter-signature{text-align:right;font-size:12px;line-height:1.9;color:#ffe8c0;margin:26px 0 0}
.event-detail{text-align:center;padding:0 0 20px;border-bottom:1px solid #ffe0ab55}.event-detail strong,.event-detail small,.organizer strong,.organizer small{display:block}.event-detail strong{font-size:16px;font-weight:500;line-height:1.6;margin-top:11px}.event-detail small{font:12px/1.5 Georgia,serif;color:#d8ecfc}.organizers{display:grid;gap:18px;padding-top:17px}.organizer{border-left:2px solid #ffe2a4;padding-left:13px}.organizer>span{display:block;color:#ffe4b1;font-size:12px;margin-bottom:9px}.organizer>span small{font:11px Georgia,serif}.organizer strong{font-size:15px;font-weight:500;line-height:1.45;margin-top:7px}.organizer>small{font:11px/1.5 Georgia,serif;color:#d6e7f9}
.program-list{list-style:none;padding:0;margin:0;display:grid;gap:0}.program-list li{display:grid;grid-template-columns:29px 1fr;gap:12px;padding:12px 0;border-bottom:1px solid #e9e2d139}.program-list li:last-child{border-bottom:0}.program-number{font:18px Georgia,serif;color:#ffdc9d}.program-list strong{display:block;font-size:14px;font-weight:500;line-height:1.45}.program-list small{display:block;margin-top:5px;color:#d8eafa;font:11px/1.5 Georgia,serif}
.preview-note{font-size:11px;line-height:1.6;color:#e9f4ff;background:#a8c8f018;border-left:2px solid #ffe1a6;padding:9px 11px;margin:0 0 13px}#rsvp-form{display:grid;gap:9px}#rsvp-form label{display:grid;gap:4px;font-size:13px}#rsvp-form label small{font:11px Georgia,serif;color:#d4e8fb}#rsvp-form input:not([type=checkbox]){width:100%;min-height:38px;border:1px solid #bcd4e88c;border-radius:0;color:white;background:#09275e88;padding:8px 10px;font-size:14px}#rsvp-form input::placeholder{color:#a6bfdb}#rsvp-form .consent{display:flex;align-items:flex-start;gap:8px;font-size:11px;line-height:1.5;margin-top:2px}#rsvp-form .consent input{flex:none;width:17px;height:17px;margin:0;accent-color:#e8c178}.form-error{min-height:1em;margin:0;color:#ffd2c2;font-size:12px}
.primary-button,.secondary-button{display:block;min-height:44px;padding:10px 17px;text-align:center;text-decoration:none;cursor:pointer}.primary-button{border:1px solid #ffeac2;background:linear-gradient(#ffe5ac,#d7b56e);color:#12366e;font-weight:600}.secondary-button{border:1px solid #f5dfb7;background:#143d83b5;color:#fff4df}.primary-button:disabled{opacity:.55;cursor:wait}.rsvp-result{text-align:center;padding:20px 0}.rsvp-result strong{font:25px "STSong","Songti SC",serif;color:#fff0cf}.rsvp-result p{font-size:13px}.rsvp-result .secondary-button{margin:18px auto 0}
.venue-details{text-align:center}.venue-details strong,.venue-details small{display:block}.venue-details strong{font:19px/1.5 "STSong","Songti SC",serif;color:#fff3d7}.venue-details small{font:12px/1.6 Georgia,serif;color:#dbeefa}.venue-details p{font-size:14px;line-height:1.6;margin:24px 0 5px}.map-button{margin-top:27px}.venue .secondary-button{width:100%;margin-top:10px}.venue-date{text-align:center;font-size:13px;margin:24px 0}.closing-line{text-align:center;font:23px "STSong","Songti SC",serif;color:#ffe8b6;margin:22px 0 0}
.controls{position:fixed;z-index:10;top:max(16px,env(safe-area-inset-top));right:max(15px,calc((100vw - 560px)/2 + 15px));display:flex;gap:8px}.icon-button{display:grid;place-items:center;width:37px;height:37px;border:1px solid #fff2d3b5;border-radius:50%;background:#0b387caf;color:#fff5df;backdrop-filter:blur(8px);font-size:20px;cursor:pointer}.icon-button[aria-pressed=true]{background:#f6dfa6;color:#153d7b}#pagination{position:fixed;z-index:10;top:50%;right:max(9px,calc((100vw - 560px)/2 + 9px));transform:translateY(-50%);display:grid;gap:9px}#pagination button{width:7px;height:7px;padding:0;border:1px solid #fff1d4;border-radius:50%;background:transparent;cursor:pointer}#pagination button[aria-current=page]{background:#ffe3aa;transform:scale(1.4)}.notice{position:fixed;z-index:20;left:50%;bottom:35px;transform:translate(-50%,10px);border:1px solid #f3dba6;background:#112f69ed;color:white;padding:10px 16px;font-size:12px;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s}.notice.visible{opacity:1;transform:translate(-50%,0)}
.slide.entered .panel{animation:panel-enter .55s ease-out both}@keyframes panel-enter{from{opacity:.45;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:560px){.slide{min-height:100svh;height:100svh}.panel{max-height:calc(100svh - 64px)}.cover-info{top:39%}.controls{right:13px}#pagination{right:8px}}
@media(max-height:630px){.panel{padding-top:20px;padding-bottom:20px}.section-heading{margin-bottom:16px}.letter-zh{font-size:15px;line-height:1.8}.cover-info{top:37%}}
@media(max-width:360px){body.on-cover .controls{top:112px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* Keep the Chinese and English invitation blocks in the Word document's order. */
.letter-closing{display:block;margin-top:19px}
.letter-chinese .letter-signature{font-size:13px;line-height:1.85;margin-top:26px}
.letter-english .section-heading h2{font:600 clamp(22px,5.8vw,30px)/1.25 Georgia,serif;letter-spacing:.055em}
.letter-en-copy{font:16px/1.85 Georgia,serif;color:#f4f7ff;margin:0}
.letter-signature-en{font:13px/1.75 Georgia,serif;color:#ffe8c0;text-align:right;margin:32px 0 0}
.organizer>small{font-size:12px;line-height:1.55}
.program-list small{font-size:12px;line-height:1.55}
@media(max-width:360px){.letter-zh{font-size:16px;line-height:1.8}.letter-en-copy{font-size:14px;line-height:1.75}.letter-signature-en{font-size:12px}.program-list small{font-size:11.5px}}
@media(max-height:630px){.program-list li{padding:10px 0}.venue-details p{margin-top:14px}.map-button{margin-top:18px}.venue-date{margin:16px 0}.closing-line{margin-top:16px}}
@media(min-height:700px){.slide:is(.letter,.organizations,.program,.venue) .panel{top:-36px}}