/* ═══════════ 婚礼邀请 · 主题样式 ═══════════ */
:root{
  --paper:#faf5ec;
  --paper-2:#f4ecdf;
  --card:#fffdf8;
  --ink:#463f36;
  --ink-2:#8a7f70;
  --ink-3:#b3a794;
  --gold:#b98a5e;
  --gold-deep:#9a6f45;
  --rose:#c98f84;
  --line:#eadfd0;
  --shadow:0 18px 44px rgba(120,90,60,.12);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  --font-serif:"Songti SC","STSong","Noto Serif CJK SC","SimSun",Georgia,serif;
  --font-en:Georgia,"Times New Roman","Songti SC",serif;
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{scroll-behavior:smooth}
body{
  background:var(--paper);color:var(--ink);
  font-family:var(--font-cn);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
button{font-family:inherit;border:0;background:none;cursor:pointer;color:inherit}
img{display:block;max-width:100%}
[hidden]{display:none !important}

/* ═══ 飘落花瓣 ═══ */
#petal-canvas{position:fixed;inset:0;z-index:60;pointer-events:none}
#confetti-canvas{position:fixed;inset:0;z-index:70;pointer-events:none}

/* ═══════════ 开启封面 ═══════════ */
.intro{
  position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;
  background:
    radial-gradient(1100px 500px at 85% -10%,rgba(201,143,132,.16),transparent 60%),
    radial-gradient(900px 520px at -10% 110%,rgba(185,138,94,.15),transparent 60%),
    linear-gradient(168deg,#fdfaf4,#f6ecdf 58%,#f1e2d1);
  text-align:center;padding:24px;overflow:hidden;
  transition:opacity .9s cubic-bezier(.6,0,.2,1) .1s;
}
.intro.leaving{opacity:0;pointer-events:none}
.intro-fog{position:absolute;border-radius:50%;filter:blur(46px);opacity:.5;animation:drift 14s ease-in-out infinite alternate}
.fog-a{width:46vmin;height:46vmin;left:-10vmin;top:-6vmin;background:radial-gradient(circle,rgba(255,255,255,.8),transparent 70%)}
.fog-b{width:52vmin;height:52vmin;right:-14vmin;bottom:-12vmin;background:radial-gradient(circle,rgba(201,143,132,.35),transparent 70%);animation-delay:-7s}
@keyframes drift{to{transform:translate(6vmin,4vmin) scale(1.12)}}
.intro-card{position:relative;z-index:2;width:min(430px,92vw)}
.kicker{font-family:var(--font-en);font-size:11px;letter-spacing:.42em;color:var(--gold-deep);text-transform:uppercase;margin-bottom:30px;opacity:0;animation:upIn .9s ease forwards .1s}
.ring-wrap{position:relative;width:132px;height:132px;margin:0 auto 26px;opacity:0;animation:upIn 1s ease forwards .25s}
.ring{position:absolute;border-radius:50%}
.ring-a{inset:0;border:1px solid rgba(185,138,94,.5);border-top-color:rgba(185,138,94,.95);animation:spin 9s linear infinite}
.ring-b{inset:11px;border:1px dashed rgba(185,138,94,.65);border-bottom-color:rgba(154,111,69,.4);animation:spinRev 12s linear infinite}
.ring-heart{position:absolute;inset:0;display:flex;align-items:center;justify-content:center}
.char-x{font-family:var(--font-serif);font-size:40px;color:var(--gold);text-shadow:0 1px 0 rgba(255,255,255,.6)}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes spinRev{to{transform:rotate(-360deg)}}
.intro .names{font-family:var(--font-serif);font-size:34px;letter-spacing:.18em;font-weight:600;color:var(--ink);display:flex;align-items:baseline;justify-content:center;gap:16px;opacity:0;animation:upIn 1s cubic-bezier(.2,.7,.2,1) forwards .45s}
.names .amp{font-style:normal;font-family:var(--font-en);font-size:20px;color:var(--gold);letter-spacing:0}
.ornament{display:flex;align-items:center;justify-content:center;gap:14px;color:var(--gold);margin:20px 0}
.ornament i{height:1px;width:52px;background:linear-gradient(90deg,transparent,var(--gold));display:block}
.ornament i:last-child{background:linear-gradient(90deg,var(--gold),transparent)}
.ornament span{font-size:16px}
.intro-date{font-family:var(--font-en);letter-spacing:.32em;font-size:15px;color:var(--ink-2);opacity:0;animation:upIn 1s ease forwards .6s}
.intro-note{margin-top:14px;font-size:14px;letter-spacing:.12em;color:var(--ink-2);opacity:0;animation:upIn 1s ease forwards .75s}
.btn-open{
  margin-top:38px;padding:15px 52px;border-radius:999px;color:#fff;
  background:linear-gradient(120deg,#c2936b,#b07d58 55%,#c2936b);
  background-size:220% 100%;background-position:0 0;
  font-size:15px;letter-spacing:.28em;box-shadow:0 12px 26px rgba(176,125,88,.35);
  animation:upIn .9s ease forwards .9s,btnFlow 4s ease-in-out infinite 1.6s,breath 2.6s ease-in-out infinite 1.8s;
  opacity:0;position:relative;overflow:hidden;
}
.btn-open::after{content:"";position:absolute;top:0;left:-120%;width:60%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.4),transparent);transform:skewX(-18deg);
  animation:sheen 3.2s ease-in-out infinite 1.2s}
@keyframes sheen{0%,55%{left:-120%}90%,100%{left:160%}}
@keyframes breath{0%,100%{box-shadow:0 12px 26px rgba(176,125,88,.35)}50%{box-shadow:0 12px 34px rgba(176,125,88,.55)}}
@keyframes upIn{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}
@keyframes btnFlow{0%,100%{background-position:0 0}50%{background-position:110% 0}}
.intro-tip{position:absolute;bottom:calc(22px + env(safe-area-inset-bottom));left:0;right:0;z-index:2;
  font-family:var(--font-en);font-style:italic;font-size:12px;letter-spacing:.3em;color:var(--ink-3);opacity:0;animation:upIn 1.4s ease forwards 1.5s}
.intro-fail{position:fixed;inset:0;z-index:101;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:14px;background:var(--paper);color:var(--ink-2);text-align:center;padding:30px;font-size:15px}

/* ═══════════ 首页 Hero ═══════════ */
.page{min-height:100dvh}
.hero{position:relative;height:100vh;height:100svh;min-height:600px;display:flex;align-items:center;justify-content:center;text-align:center;overflow:hidden;
  background:linear-gradient(160deg,#f6e7d8,#eccfbc 55%,#d9ac97)}
.hero-media{position:absolute;inset:-14% 0;will-change:transform}
.hero-media img{width:100%;height:100%;object-fit:cover;opacity:.55;transform:scale(1.04)}
.hero-shade{position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(60,42,30,.05),rgba(250,245,236,.18) 55%,rgba(250,245,236,.9) 96%)}
.hero-inner{position:relative;z-index:2;width:min(600px,90vw);padding-bottom:env(safe-area-inset-bottom)}
.hero-kicker{font-family:var(--font-en);font-size:11px;letter-spacing:.5em;color:#7b5f48;text-transform:uppercase}
.hero-names{font-family:var(--font-serif);font-weight:600;font-size:clamp(38px,10vw,60px);color:#4a3426;letter-spacing:.16em;display:flex;justify-content:center;align-items:baseline;gap:18px;margin-top:16px;flex-wrap:wrap;padding:0 8px}
.hero-names b{font-family:var(--font-en);font-style:italic;font-size:22px;font-weight:400;color:#a6794d}
.hero-when{display:flex;align-items:center;justify-content:center;gap:12px;color:#5e4a38;font-family:var(--font-en);letter-spacing:.24em;font-size:15px}
.hero-when i{width:34px;height:1px;background:#c4a376}
.hero-sub{margin-top:22px;font-size:15px;letter-spacing:.4em;color:#7c624c;text-indent:.4em}
.scroll-hint{position:absolute;left:0;right:0;bottom:calc(18px + env(safe-area-inset-bottom));z-index:2;display:flex;justify-content:center}
.mouse{width:24px;height:38px;border:1.6px solid rgba(90,68,48,.55);border-radius:14px;position:relative}
.mouse i{position:absolute;left:50%;top:7px;width:3px;height:7px;margin-left:-1.5px;border-radius:3px;background:#8a6a4d;animation:wheel 1.8s ease-in-out infinite}
@keyframes wheel{0%{opacity:0;transform:translateY(0)}30%{opacity:1}100%{opacity:0;transform:translateY(12px)}}

/* 入场动画 */
.ent{opacity:0;transform:translateY(30px)}
body.entered .ent{opacity:1;transform:none;transition:opacity 1s ease var(--d,.2s),transform 1s cubic-bezier(.18,.7,.2,1) var(--d,.2s)}

/* ═══════════ 内容纸张 ═══════════ */
.sheet{position:relative;z-index:5;margin-top:-42px;border-radius:34px 34px 0 0;background:var(--paper);padding:8px 22px calc(36px + env(safe-area-inset-bottom))}
.sec{max-width:640px;margin:0 auto;padding:46px 6px 8px}
.sec-en{font-family:var(--font-en);text-align:center;font-size:10px;letter-spacing:.5em;color:var(--gold);text-transform:uppercase}
.sec-title{display:flex;align-items:center;justify-content:center;gap:16px;margin-top:10px}
.sec-title::before,.sec-title::after{content:"";flex:1;max-width:120px;height:1px;
  background:linear-gradient(90deg,transparent,var(--line))}
.sec-title::after{background:linear-gradient(90deg,var(--line),transparent)}
.sec-title span{font-family:var(--font-serif);font-size:23px;font-weight:600;color:var(--ink);letter-spacing:.34em;text-indent:.34em;white-space:nowrap}
.sec-hint{text-align:center;font-size:12px;color:var(--ink-3);margin-top:14px;letter-spacing:.1em}

/* 滚动显现 */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .9s ease,transform 1s cubic-bezier(.18,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* ═══ 邀请辞 ═══ */
.sec-greet{text-align:center;padding-top:54px}
.sec-greet .ornament{margin:14px 0}
.greet-name{margin-top:24px;font-size:15px;color:var(--ink-2);letter-spacing:.06em}
.greet-name b{color:var(--gold-deep);font-family:var(--font-serif);font-size:20px;font-weight:600;margin:0 6px;position:relative}
.greet-text{margin-top:18px;line-height:2.05;font-size:15.5px;color:var(--ink);text-align:justify}
.greet-sig{margin-top:26px;font-family:var(--font-serif);color:var(--ink-2);font-size:15px;letter-spacing:.22em}
.seal{margin:26px auto 0;width:52px;height:52px;border:1.4px solid var(--rose);color:var(--rose);
  display:flex;align-items:center;justify-content:center;font-family:var(--font-serif);font-size:22px;
  border-radius:8px;transform:rotate(-6deg);box-shadow:inset 0 0 0 3px rgba(201,143,132,.15)}

/* ═══ 倒计时 ═══ */
.sec-count{text-align:center}
.count-grid{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:30px}
.c-item{background:var(--card);border:1px solid var(--line);border-radius:16px;min-width:76px;padding:15px 6px 11px;
  box-shadow:var(--shadow)}
.c-item b{display:block;font-family:var(--font-serif);font-size:34px;font-weight:700;color:#5a4632;line-height:1;
  font-variant-numeric:tabular-nums;background:linear-gradient(180deg,#7a5c3c,#b9895c);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.c-item span{margin-top:9px;display:block;font-size:12px;color:var(--ink-3);letter-spacing:.3em}
.c-sep{font-family:var(--font-en);color:var(--gold);font-size:20px;padding-bottom:16px}
.count-sub{margin-top:20px;color:var(--ink-2);font-size:13px;letter-spacing:.14em}

/* ═══ 流程 ═══ */
.timeline{list-style:none;margin:34px auto 0;max-width:460px;position:relative;padding-left:34px}
.timeline::before{content:"";position:absolute;left:10px;top:8px;bottom:8px;width:1px;
  background:linear-gradient(180deg,transparent,var(--gold) 12%,var(--gold) 88%,transparent)}
.timeline li{position:relative;padding:0 0 34px 6px}
.timeline li:last-child{padding-bottom:6px}
.timeline li::before{content:"";position:absolute;left:-32px;top:6px;width:11px;height:11px;border-radius:50%;
  background:var(--card);border:1.5px solid var(--gold);box-shadow:0 0 0 4px rgba(185,138,94,.14)}
.timeline li:last-child::before{background:var(--gold)}
.tl-time{font-family:var(--font-en);color:var(--gold-deep);font-size:15px;letter-spacing:.14em}
.tl-txt{font-size:15px;color:var(--ink);margin-top:3px;letter-spacing:.04em}

/* ═══ 相册 ═══ */
.photo-strip{display:flex;gap:14px;overflow-x:auto;margin:26px -10px 4px;padding:8px 26px 18px;
  scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.photo-strip::-webkit-scrollbar{display:none}
.photo-card{flex:0 0 72%;max-width:330px;scroll-snap-align:center;border-radius:20px;overflow:hidden;
  position:relative;aspect-ratio:3/4.2;background:var(--paper-2);box-shadow:var(--shadow);
  border:1px solid rgba(255,255,255,.6)}
.photo-card img{width:100%;height:100%;object-fit:cover;transition:transform .9s cubic-bezier(.2,.7,.2,1)}
.photo-card:active img{transform:scale(1.05)}
.photo-cap{position:absolute;left:0;right:0;bottom:0;padding:34px 16px 13px;color:#fff;font-size:13.5px;
  letter-spacing:.1em;text-align:center;background:linear-gradient(180deg,transparent,rgba(40,26,16,.62));
  font-family:var(--font-serif)}
.photo-count{position:absolute;top:12px;right:12px;background:rgba(30,20,12,.32);backdrop-filter:blur(6px);
  color:#fff;font-size:11px;padding:4px 10px;border-radius:999px;letter-spacing:.08em}

/* 空状态 */
.empty-tip{text-align:center;color:var(--ink-3);padding:26px 10px 6px;font-size:13.5px;line-height:1.9}

/* ═══ 祝福墙 ═══ */
.bless-list{display:flex;flex-direction:column;gap:12px;margin-top:28px}
.bless-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px 20px 15px;position:relative}
.bless-card::before{content:"“";position:absolute;top:2px;left:12px;font-family:Georgia,serif;font-size:38px;color:var(--gold);opacity:.5}
.bless-msg{font-size:14.5px;line-height:1.85;color:#5d5346;padding-left:14px}
.bless-meta{margin-top:12px;padding-left:14px;display:flex;align-items:baseline;gap:10px;font-size:12.5px;color:var(--ink-3)}
.bless-meta b{color:var(--gold-deep);font-weight:600;font-size:13.5px}

/* ═══ 婚礼视频 ═══ */
.sec-video{text-align:center}
.video-box{margin-top:26px;border-radius:20px;overflow:hidden;background:#16110c;
  box-shadow:var(--shadow);line-height:0;border:1px solid rgba(200,160,90,.35)}
.video-box video{width:100%;height:auto;display:block;max-height:76vh;object-fit:contain;background:#16110c}
.video-tip{font-size:12px;color:var(--ink-3);margin-top:12px;letter-spacing:.05em}

/* ═══ 祝福留言 ═══ */
.sec-rsvp{text-align:center}
.rsvp-name{font-size:15.5px;color:var(--ink-2);margin-top:18px}
.rsvp-name b{font-family:var(--font-serif);font-size:20px;color:var(--gold-deep)}
.rsvp-sub{font-size:13px;color:var(--ink-3);margin-top:8px}
.rsvp-box{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:24px 18px 20px;
  margin-top:24px;box-shadow:var(--shadow);text-align:left}
.msg-label{margin-top:18px;display:block;font-size:14px;color:var(--ink-2)}
.msg-label span{color:var(--ink-3);font-size:12px;margin-left:4px}
#rsvp-msg{width:100%;margin-top:10px;border:1px solid var(--line);border-radius:13px;background:#fffdf8;
  padding:12px 14px;font-size:14.5px;color:var(--ink);font-family:inherit;resize:none;line-height:1.7;
  transition:border-color .2s,box-shadow .2s}
#rsvp-msg:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(185,138,94,.16)}
.btn-submit{width:100%;margin-top:16px;padding:15px;border-radius:999px;color:#fff;font-size:15.5px;letter-spacing:.34em;text-indent:.34em;
  background:linear-gradient(120deg,#b98a5e,#a8744b);box-shadow:0 10px 22px rgba(168,116,75,.35);
  transition:transform .2s,box-shadow .2s;position:relative;overflow:hidden}
.btn-submit::after{content:"";position:absolute;top:0;left:-120%;width:55%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.35),transparent);transform:skewX(-18deg)}
.btn-submit:active{transform:scale(.98)}
.btn-submit.loading{pointer-events:none;opacity:.75}
.btn-submit.loading::after{animation:sheen 1.1s ease infinite}
.btn-submit.done{background:linear-gradient(120deg,#93a983,#7c9a6c)}
.rsvp-ok{margin-top:24px;background:linear-gradient(150deg,#fff, #f3f7ee);border:1px solid #d8e3cd;border-radius:18px;
  padding:26px 20px;font-size:14.5px;color:#5f7055;line-height:2;text-align:center}
.rsvp-ok b{font-family:var(--font-serif);font-size:19px;color:#57704a;display:block;margin-bottom:4px}
.btn-reset{display:inline-block;margin-top:12px;font-size:12.5px;color:var(--ink-3);border-bottom:1px dashed var(--ink-3);padding-bottom:2px}

/* ═══ 地点 ═══ */
.sec-place{text-align:center}
.venue-card{position:relative;background:
  radial-gradient(700px 300px at 50% -40%,rgba(255,255,255,.9),transparent 70%),var(--card);
  border:1px solid var(--line);border-radius:24px;padding:42px 22px 24px;margin-top:30px;box-shadow:var(--shadow);overflow:hidden}
.venue-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,transparent,#c9a063,transparent)}
.pin{width:46px;height:46px;margin:0 auto 12px;border-radius:50% 50% 50% 0;transform:rotate(-45deg);
  background:linear-gradient(150deg,#c9a063,#a8744b);box-shadow:0 6px 14px rgba(168,116,75,.4);
  animation:pinDrop .7s cubic-bezier(.2,1.4,.4,1) both}
.pin i{position:absolute;left:50%;top:50%;width:16px;height:16px;margin:-8px 0 0 -8px;background:#fff;
  border-radius:50% 50% 50% 0;transform:rotate(45deg)}
@keyframes pinDrop{from{opacity:0;transform:rotate(-45deg) translateY(-26px)}to{opacity:1;transform:rotate(-45deg)}}
.venue-name{font-family:var(--font-serif);font-size:21px;color:#4a3426;letter-spacing:.1em;margin-top:14px}
.venue-addr{margin-top:10px;font-size:14px;color:var(--ink-2);line-height:1.8}
.venue-btns{display:grid;grid-template-columns:1fr auto;gap:10px;margin-top:24px}
.vbtn{border-radius:999px;padding:13px 12px;font-size:14px;letter-spacing:.08em;border:1.4px solid var(--gold);
  color:var(--gold-deep);transition:all .22s}
.vbtn.primary{color:#fff;background:linear-gradient(120deg,#b98a5e,#a8744b);border-color:transparent;box-shadow:0 8px 18px rgba(168,116,75,.3)}
.vbtn:active{transform:scale(.97)}
.vbtn.primary::after,.vbtn::after{display:none}
.vbtn .ic{display:block;font-size:17px;margin-bottom:3px}

/* ═══ 页脚 ═══ */
.foot{margin:54px auto 0;text-align:center;color:var(--ink-2);max-width:640px}
.foot-rings{display:flex;justify-content:center;align-items:center;margin-bottom:20px}
.foot-rings span{width:38px;height:38px;border:1.6px solid var(--gold);border-radius:50%;position:relative;opacity:.9}
.foot-rings span:first-child{margin-right:-14px;background:var(--paper)}
.foot-rings span:last-child{margin-left:-14px;background:var(--paper)}
.foot p{font-size:13px;line-height:2;letter-spacing:.16em}
.foot-couple{margin-top:6px;font-family:var(--font-serif);color:var(--ink);font-size:18px;letter-spacing:.24em}
.foot-couple span{margin:0 12px;color:var(--gold);font-style:italic}
.foot-wish{margin-top:2px;color:var(--ink-3);font-size:12px}
.foot::after{content:"";display:block;width:34px;height:1px;margin:26px auto 0;background:var(--line)}

/* ═══ 大图查看 ═══ */
.lightbox{position:fixed;inset:0;z-index:90;background:rgba(22,14,8,.94);display:flex;align-items:center;justify-content:center;
  animation:lbIn .35s ease}
@keyframes lbIn{from{opacity:0}to{opacity:1}}
.lb-stage{width:100%;height:100%;display:flex;align-items:center;justify-content:center;padding:56px 12px 70px}
.lb-stage img{max-width:100%;max-height:100%;object-fit:contain;border-radius:10px;box-shadow:0 30px 80px rgba(0,0,0,.5);
  animation:lbZoom .45s cubic-bezier(.2,.9,.25,1) both}
@keyframes lbZoom{from{transform:scale(.9);opacity:0}to{transform:none;opacity:1}}
.lb-close{position:absolute;top:calc(14px + env(safe-area-inset-top));right:16px;z-index:2;width:42px;height:42px;
  color:#fff;font-size:19px;border-radius:50%;background:rgba(255,255,255,.12);display:flex;align-items:center;justify-content:center}
.lb-nav{position:absolute;top:50%;transform:translateY(-50%);width:46px;height:46px;border-radius:50%;
  background:rgba(255,255,255,.1);color:#fff;font-size:26px;display:flex;align-items:center;justify-content:center;z-index:2}
.lb-nav.prev{left:12px}.lb-nav.next{right:12px}
.lb-nav:active{background:rgba(255,255,255,.24)}
.lb-cap{position:absolute;bottom:calc(20px + env(safe-area-inset-bottom));left:0;right:0;text-align:center;color:rgba(255,255,255,.85);
  font-size:14px;letter-spacing:.1em;font-family:var(--font-serif)}

/* ═══ Toast ═══ */
.toast{position:fixed;left:50%;bottom:calc(40px + env(safe-area-inset-bottom));transform:translate(-50%,24px);
  background:rgba(46,34,22,.92);color:#fff;padding:12px 22px;border-radius:999px;font-size:13.5px;letter-spacing:.06em;
  opacity:0;pointer-events:none;transition:all .35s cubic-bezier(.2,.9,.3,1.2);z-index:120;backdrop-filter:blur(6px);white-space:nowrap}
.toast.show{opacity:1;transform:translate(-50%,0)}

@media (min-width:640px){
  .photo-card{flex-basis:56%}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
  .intro,.intro *{opacity:1 !important;transform:none !important}
}

/* ═══════════ 中式传统喜帖主题(追加覆盖) ═══════════ */
:root{
  --paper:#fcf5e3;
  --paper-2:#f6e9ca;
  --card:#fffdf4;
  --ink:#4a3a26;
  --ink-2:#8a744f;
  --ink-3:#b5a077;
  --gold:#c49a3f;
  --gold-deep:#9c6b1e;
  --rose:#a53830;
  --line:#ecd9ae;
  --font-serif:"Songti SC","STSong","Noto Serif CJK SC","SimSun",Georgia,serif;
}
body{background:linear-gradient(180deg,#fdf8ea,#f9efd6)}
#petal-canvas{opacity:.8}

/* 开屏 —— 中国红喜帖封面 */
.intro{
  background:
    radial-gradient(900px 460px at 82% -8%,rgba(226,178,86,.28),transparent 62%),
    radial-gradient(760px 420px at -6% 108%,rgba(226,178,86,.2),transparent 62%),
    linear-gradient(168deg,#a02a21,#7e1713 52%,#660f0d);
}
.intro-fog,.fog-a{background:radial-gradient(circle,rgba(255,233,180,.35),transparent 70%)}
.intro .kicker{color:#f2d797;letter-spacing:.5em;text-indent:.5em}
.ring-a{border-color:rgba(244,210,130,.4);border-top-color:rgba(247,222,150,.95)}
.ring-b{border-color:rgba(244,210,130,.55)}
.char-x{color:#f4d080;text-shadow:0 2px 14px rgba(0,0,0,.25)}
.intro .names{color:#fdf3d8}
.intro .names .amp{color:#f4cf6f}
.intro .ornament{color:#e8c268}
.intro .ornament i{background:linear-gradient(90deg,transparent,#d3ab4c)}
.intro .ornament i:last-child{background:linear-gradient(90deg,#d3ab4c,transparent)}
.intro-date{color:#eeda9f;letter-spacing:.34em}
.intro-note{color:#f3e6bd}
.intro-tip{color:#dbb98a}
.btn-open{background:linear-gradient(120deg,#e6bd5c,#c9982f 55%,#e6bd5c);color:#5c120c;
  box-shadow:0 12px 30px rgba(0,0,0,.35),inset 0 1px 0 rgba(255,255,255,.5)}
@keyframes breath2{0%,100%{box-shadow:0 12px 30px rgba(0,0,0,.35)}50%{box-shadow:0 12px 40px rgba(0,0,0,.5)}}
.btn-open{animation:upIn .9s ease forwards .9s,btnFlow 4s ease-in-out infinite 1.6s,breath2 2.6s ease-in-out infinite 1.8s;opacity:0}

/* Hero —— 请柬封面 */
.hero{background:
  radial-gradient(120% 60% at 50% -10%,rgba(255,226,150,.32),transparent 55%),
  radial-gradient(90% 60% at 50% 115%,rgba(90,8,6,.6),transparent 60%),
  linear-gradient(165deg,#a53025,#7c130f 55%,#5f0a08)}
.hero-media img{opacity:.34}
.hero-shade{background:
  linear-gradient(180deg,rgba(96,10,8,.28),rgba(130,30,18,.34) 55%,rgba(252,245,227,.96) 98%)}
.hero-kicker{color:#f4d990;letter-spacing:.55em;text-indent:.55em}
.hero-names{color:#fdf3d6;letter-spacing:.2em}
.hero-names b,.hero-names .amp2{color:#efcb74;font-style:normal}
.hero-when{color:#f6e4ae;letter-spacing:.22em;font-size:15px}
.hero-when i{width:30px;background:rgba(240,206,120,.6)}
.hero-when b{font-weight:400;color:#ffeec2;font-family:var(--font-en)}
.hero-sub{color:#ecd29a;letter-spacing:.42em;text-indent:.42em}
.scroll-hint .mouse{border-color:rgba(255,238,196,.7)}
.scroll-hint .mouse i{background:#f2d284}

/* 邀请框:恭请 XX 光临 */
.frame-lines{position:absolute;inset:12px;pointer-events:none}
.frame-lines i{position:absolute;width:34px;height:34px;border-color:rgba(243,215,140,.8);border-style:solid}
.frame-lines i:nth-child(1){left:-2px;top:-4px;border-width:1.5px 0 0 1.5px}
.frame-lines i:nth-child(2){right:-2px;top:-4px;border-width:1.5px 1.5px 0 0}
.frame-lines i:nth-child(3){left:-2px;bottom:-4px;border-width:0 0 1.5px 1.5px}
.frame-lines i:nth-child(4){right:-2px;bottom:-4px;border-width:0 1.5px 1.5px 0}
.invite-box{margin:34px auto 8px;display:flex;align-items:center;justify-content:center;gap:18px;
  padding:16px 10px;position:relative}
.invite-box::before,.invite-box::after{content:"";position:absolute;left:50%;width:120px;height:1px;transform:translateX(-50%);
  background:linear-gradient(90deg,transparent,#e5bd62,transparent)}
.invite-box::before{top:0}.invite-box::after{bottom:0}
.invite-ask{display:flex;flex-direction:column;gap:4px;color:#eccd82;font-size:15px;letter-spacing:.2em;
  font-family:var(--font-serif)}
.invite-ask.end{color:#f4e0ac}
.invite-ask.fam{color:#e6c277;font-size:13px;gap:3px;letter-spacing:.18em}
.invite-guest{font-family:var(--font-serif);font-weight:600;font-size:clamp(40px,11vw,58px);
  color:#ffedb8;letter-spacing:.18em;text-indent:.18em;line-height:1.15;
  text-shadow:0 2px 22px rgba(0,0,0,.35),0 0 0 1px rgba(255,225,150,.25);
  padding:2px 10px}

/* 正文纸张的中式点缀 */
.sheet{border-radius:34px 34px 0 0;background:
  radial-gradient(900px 300px at 50% -30px,rgba(196,154,63,.07),transparent 65%),var(--paper)}
.sec-en{color:#a7791f;letter-spacing:.55em;text-indent:.55em}
.sec-title::before,.sec-title::after{background:linear-gradient(90deg,transparent,#e3c98e)}
.sec-title::after{background:linear-gradient(90deg,#e3c98e,transparent)}
.sec-title span{color:#7c2a16;letter-spacing:.4em}
.sec-title span::after{content:"· 囍 ·";position:absolute;left:50%;transform:translate(-50%,26px);
  color:#c49a3f;font-size:12px;letter-spacing:.6em}
.greet-name{color:#8a6a3a;letter-spacing:.1em}
.greet-name b{color:#a53830;font-size:24px;text-decoration:underline;text-underline-offset:6px;
  text-decoration-color:rgba(196,154,63,.55);text-decoration-thickness:1.5px}
.greet-text{color:#57422a}
.greet-sig{color:#9c7427;letter-spacing:.26em}
.seal{color:#a53830;border-color:#a53830;box-shadow:inset 0 0 0 3px rgba(165,56,48,.12),0 0 0 2px #c49a3f}
.greet-trad{margin:16px auto 0;font-size:12.5px;color:var(--ink-3);letter-spacing:.12em;line-height:1.9}

/* 回纹细边装饰标题下的内容区使用红金点缀 */
.c-item{background:var(--card);border-color:#e9d5a6}
.c-item b{background:linear-gradient(180deg,#8c2a14,#a53830,#c49a3f);-webkit-background-clip:text;background-clip:text}
.c-item span{color:#9a7c43}
.c-sep{color:#b68a2e}
.count-sub{color:#8a6a3a}
.timeline::before{background:linear-gradient(180deg,transparent,#c49a3f 12%,#a53830 88%,transparent)}
.timeline li::before{background:var(--card);border-color:#c49a3f;box-shadow:0 0 0 4px rgba(196,154,63,.16)}
.tl-time{color:#9c6b1e}
.photo-card{border:1px solid rgba(212,176,90,.5)}
.bless-card{background:var(--card);border-color:#ecd9ae}
.bless-card::before{color:#b3862c}
.bless-meta b{color:#9c6b1e}
.venue-card{background:radial-gradient(700px 300px at 50% -40%,rgba(255,255,255,.95),transparent 70%),var(--card);
  border-color:#ecd9ae}
.venue-card::before{background:linear-gradient(90deg,transparent,#c49a3f,#a53830,#c49a3f,transparent)}
.pin{background:linear-gradient(150deg,#c49a3f,#8c2a14)}
.venue-name{color:#6b2010}
.vbtn{border-color:#b3862c;color:#8c5a10}
.vbtn.primary{background:linear-gradient(120deg,#a53830,#7c130f);border-color:transparent;box-shadow:0 8px 18px rgba(140,42,20,.3)}
.btn-submit{background:linear-gradient(120deg,#a53830,#7c130f);box-shadow:0 10px 24px rgba(140,42,20,.35)}
.foot-rings span{border-color:#c49a3f}
.foot-rings span:first-child{background:var(--paper)}
.foot-couple b{color:#7c2a16}
.foot-couple span{color:#b3862c}
.photo-cap{background:linear-gradient(180deg,transparent,rgba(60,14,8,.66))}

/* 背景音乐按钮 */
.music-btn{position:fixed;right:16px;bottom:calc(26px + env(safe-area-inset-bottom));z-index:88;
  width:52px;height:52px;border-radius:50%;border:1.5px solid rgba(246,222,150,.9);
  background:linear-gradient(150deg,#9c2a1f,#6f0f0c);color:#ffe9ad;
  box-shadow:0 8px 22px rgba(60,8,6,.4),inset 0 0 12px rgba(255,220,140,.18);
  display:flex;align-items:center;justify-content:center;transition:transform .2s}
.music-btn:active{transform:scale(.94)}
.music-btn .disc{position:absolute;inset:5px;border-radius:50%;
  border:1px dashed rgba(255,230,160,.6)}
.music-btn.playing .disc{animation:spin 6s linear infinite}
.music-btn .note{position:relative;z-index:1;font-size:20px;text-shadow:0 1px 4px rgba(0,0,0,.4)}
.music-btn.playing .note{animation:notePop .5s ease}
@keyframes notePop{0%{transform:scale(1)}50%{transform:scale(1.25)}100%{transform:scale(1)}}