/* ===== 婚礼邀请函 · 移动端样式 ===== */
:root{
  --rose:#c8737f; --rose-2:#e8a0a8; --rose-3:#f6dfe1;
  --gold:#c1a06a; --ink:#5b4348; --ink-2:#8d7377;
  --bg:#fdf6f4; --card:#ffffff; --line:#f0e0de;
  --serif:"Noto Serif SC","Songti SC","STSong","SimSun",Georgia,serif;
  --sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  font-family:var(--sans); color:var(--ink); background:#efe4e2;
  line-height:1.75; -webkit-font-smoothing:antialiased;
}
body::before{
  content:""; position:fixed; inset:0; z-index:0; pointer-events:none;
  background:
    radial-gradient(circle at 12% 8%, rgba(232,160,168,.30), transparent 42%),
    radial-gradient(circle at 88% 22%, rgba(193,160,106,.20), transparent 40%),
    radial-gradient(circle at 50% 96%, rgba(232,160,168,.22), transparent 45%);
}
#main,.cover{position:relative;z-index:1}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}

/* ---------- 容器与桌面布局 ---------- */
@media (min-width:560px){
  #main{max-width:760px;margin:0 auto;background:var(--bg);box-shadow:0 0 60px rgba(120,80,85,.22);
        min-height:100vh;padding-bottom:20px}
  .cover{left:50%;right:auto;width:min(100vw,760px);transform:translateX(-50%)}
  .music-btn{right:max(16px,calc((100vw - 760px) / 2 + 16px))}
  .sec{max-width:660px;margin:0 auto;padding-left:40px;padding-right:40px}
  .hero{padding-top:76px}
  .invite-card,.info-card,#rsvpCard{max-width:600px;margin-left:auto;margin-right:auto}
  .slider{padding-left:4%;padding-right:4%}
  .slide{flex-basis:62%}
  .slide img{height:330px}
  .grid{gap:8px}
}

@media (max-width:359px){
  .cover-inner{padding-left:20px;padding-right:20px}
  .cover-names{font-size:34px}
  .cover-btn{padding-left:20px;padding-right:20px;letter-spacing:.14em}
  .sec{padding-left:18px;padding-right:18px}
  .card{padding-left:16px;padding-right:16px}
  .countdown{gap:6px}
  .cd-item{padding-top:11px;padding-bottom:11px}
  .cd-item b{font-size:21px}
  .info-btns{gap:6px}
  .btn-ghost{padding-left:8px;padding-right:8px}
}

/* ---------- 封面 ---------- */
.cover{
  position:fixed; inset:0; z-index:50; display:flex; align-items:center; justify-content:center;
  background:linear-gradient(165deg,#fff6f4 0%,#f7dcdb 45%,#e9c3c4 100%);
  transition:opacity .9s ease, transform .9s ease; text-align:center;
}
.cover.hide{opacity:0;transform:translateX(-50%) translateY(-8%) scale(1.04);pointer-events:none}

@media (min-width:560px){
  .cover{left:50%;right:auto;width:min(100vw,760px);transform:translateX(-50%)}
}

.cover-inner{padding:0 34px;animation:fadeUp 1.2s ease both}
.cover-en{font-family:var(--serif);letter-spacing:.42em;font-size:11px;color:var(--gold);margin:0 0 26px}
.cover-names{font-family:var(--serif);font-size:40px;line-height:1.35;color:#7a4f56}
.cover-name{display:block}
.cover-amp{font-size:26px;color:var(--rose-2);margin:2px 0;font-style:italic}
.cover-line{width:68px;height:1px;background:var(--gold);opacity:.55;margin:26px auto}
.cover-date{font-family:var(--serif);font-size:15px;color:var(--ink);margin:0 0 6px}
.cover-sub{font-size:12px;color:var(--ink-2);margin:0 0 52px;letter-spacing:.05em}
.cover-btn{
  border:1px solid rgba(193,160,106,.75); color:#8a6b45; background:rgba(255,255,255,.55);
  padding:12px 30px; border-radius:40px; font-size:14px; letter-spacing:.22em;
  font-family:var(--serif); animation:breathe 2.6s ease-in-out infinite;
}
.cover-tip{font-size:11px;color:var(--ink-2);opacity:.75;margin-top:16px}

/* ---------- 分区 ---------- */
.sec{padding:44px 26px;text-align:center}
.sec-title{
  font-family:var(--serif); font-size:16px; font-weight:600; letter-spacing:.20em;
  color:#8a5f64; margin:0 0 22px;
}
.sec-title::after{content:"";display:block;width:34px;height:2px;background:var(--rose-2);opacity:.6;margin:12px auto 0;border-radius:2px}
.sec-desc{font-size:12px;color:var(--ink-2);margin:-8px 0 20px}
.card{background:var(--card);border-radius:16px;padding:22px 20px;box-shadow:0 8px 28px rgba(180,140,140,.13);text-align:left}
.ornament{display:flex;align-items:center;justify-content:center;gap:10px;margin:14px 0}
.ornament span{width:52px;height:1px;background:linear-gradient(90deg,transparent,var(--rose-2))}
.ornament span:last-child{background:linear-gradient(90deg,var(--rose-2),transparent)}
.ornament em{color:var(--rose-2);font-size:12px;font-style:normal}

/* ---------- Hero ---------- */
.hero{padding-top:64px}
.hero-en{font-family:var(--serif);font-size:10px;letter-spacing:.36em;color:var(--gold);margin:0 0 18px}
.hero-title{font-family:var(--serif);font-size:30px;font-weight:600;color:#7a4f56;margin:0;line-height:1.4}
.hero-title .amp{color:var(--rose-2);font-size:22px;margin:0 8px;font-style:italic}
.hero-date{font-family:var(--serif);font-size:15px;color:var(--ink);margin:6px 0 0}
.hero-date small{font-size:12px;color:var(--ink-2)}

/* ---------- 邀请语 ---------- */
.invite-card p{margin:0 0 10px;font-size:14px;color:#6b5155;font-family:var(--serif);line-height:2}
.sign{text-align:right;font-size:13px;color:var(--rose);margin-top:14px;font-family:var(--serif)}

/* ---------- 倒计时 ---------- */
.countdown{display:flex;justify-content:center;gap:12px;margin:4px 0 14px}
.cd-item{
  flex:1;max-width:78px;background:linear-gradient(180deg,#fff,#fff3f2);
  border:1px solid var(--line);border-radius:12px;padding:14px 0;box-shadow:0 5px 16px rgba(180,140,140,.10)
}
.cd-item b{display:block;font-family:var(--serif);font-size:24px;color:var(--rose);line-height:1.2}
.cd-item span{font-size:11px;color:var(--ink-2)}
.cd-note{font-size:12px;color:var(--ink-2);margin:0}

/* ---------- 信息卡 ---------- */
.info-row{display:flex;gap:14px;padding:12px 0;border-bottom:1px dashed var(--line)}
.info-row:last-of-type{border-bottom:none}
.info-row i{font-style:normal;font-size:18px;line-height:1.5;flex:0 0 20px;padding-top:2px}
.ic{width:18px;height:18px;fill:none;stroke:var(--gold);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.info-row b{display:block;font-size:12px;color:var(--gold);font-weight:600;letter-spacing:.1em}
.info-row p{margin:2px 0 0;font-size:14px;font-family:var(--serif)}
.info-row small{color:var(--ink-2);font-size:12px}
.info-btns{display:flex;gap:10px;margin-top:16px}
.btn-ghost{
  flex:1;border:1px solid var(--rose-2);color:var(--rose);border-radius:30px;
  padding:9px 16px; font-size:13px; background:#fffaf9;
  display:inline-flex; align-items:center; justify-content:center; text-align:center;
  white-space:nowrap;
}
.btn-ghost:active{background:var(--rose-3)}

/* ---------- 相册 ---------- */
.slider{
  display:flex;gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:8px 0 16px;scrollbar-width:none;-webkit-overflow-scrolling:touch
}
.slider::-webkit-scrollbar{display:none}
.slide{
  flex:0 0 78%;scroll-snap-align:center;border-radius:14px;overflow:hidden;
  box-shadow:0 10px 24px rgba(160,120,120,.18);transform:scale(.94);transition:transform .35s ease
}
.slide.active{transform:scale(1)}
.slide img{width:100%;height:250px;object-fit:cover}
.dots{display:flex;justify-content:center;gap:6px;margin-bottom:18px}
.dots i{width:6px;height:6px;border-radius:50%;background:var(--rose-3);transition:.3s}
.dots i.on{width:18px;border-radius:3px;background:var(--rose-2)}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}
.grid-item{border-radius:8px;overflow:hidden;aspect-ratio:1;background:var(--rose-3)}
.grid-item img{width:100%;height:100%;object-fit:cover}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;padding-left:26px;text-align:left}
.timeline::before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:1px;background:linear-gradient(180deg,var(--rose-3),var(--rose-2),var(--rose-3))}
.tl-item{position:relative;margin-bottom:22px}
.tl-dot{position:absolute;left:-23px;top:6px;width:9px;height:9px;border-radius:50%;background:#fff;border:2px solid var(--rose-2)}
.tl-year{font-family:var(--serif);font-size:12px;color:var(--gold);letter-spacing:.16em}
.tl-card{background:#fff;border-radius:12px;padding:12px 14px;box-shadow:0 6px 18px rgba(180,140,140,.10);margin-top:4px}
.tl-card b{font-size:14px;font-family:var(--serif)}
.tl-card p{margin:4px 0 0;font-size:13px;color:var(--ink-2)}

/* ---------- 表单 ---------- */
.field{display:block;margin-bottom:16px}
.field>span{display:block;font-size:12px;color:var(--gold);margin-bottom:7px;letter-spacing:.08em}
.field em{color:var(--rose);font-style:normal}
.field input[type=text],.field input[type=tel],.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:10px;padding:11px 13px;font-size:14px;
  background:#fffdfc;color:var(--ink);font-family:inherit;outline:none;transition:.2s
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--rose-2);background:#fff}
.field textarea{resize:none}
.stepper{display:flex;align-items:center;gap:0;border:1px solid var(--line);border-radius:10px;overflow:hidden;width:150px;background:#fffdfc}
.stepper button{width:44px;height:42px;font-size:19px;color:var(--rose);background:#fffafa}
.stepper input{width:62px;text-align:center;border:none;font-size:16px;font-family:var(--serif);background:transparent;outline:none;-moz-appearance:none}
.stepper input::-webkit-outer-spin-button,.stepper input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.chips{display:flex;gap:10px}
.chip{
  flex:1;border:1px solid var(--line);border-radius:30px;padding:10px 0;font-size:13px;
  background:#fffdfc;color:var(--ink-2);transition:.2s
}
.chip.active{background:linear-gradient(135deg,#f7dcdb,#f3cfd0);border-color:var(--rose-2);color:#8a4f56}
.btn-primary{
  width:100%;margin-top:8px;padding:14px 0;border-radius:30px;color:#fff;font-size:15px;letter-spacing:.2em;
  background:linear-gradient(135deg,#d78d95,#c8737f);box-shadow:0 8px 20px rgba(200,115,127,.32);font-family:var(--serif)
}
.btn-primary:active{transform:translateY(1px)}
.form-tip{font-size:11px;color:#a99396;text-align:center;margin:12px 0 0}
.done{text-align:center;padding:14px 0}
.done-icon{width:54px;height:54px;margin:0 auto 12px;border-radius:50%;background:linear-gradient(135deg,#d78d95,#c8737f);color:#fff;font-size:28px;line-height:54px;animation:pop .5s ease}
.done b{font-family:var(--serif);font-size:16px}
.done p{font-size:13px;color:var(--ink-2);margin:8px 0 16px}
.done .btn-ghost{max-width:200px;margin:0 auto}
.stat-bar{display:flex;justify-content:center;gap:18px;margin-top:16px;font-size:12px;color:var(--ink-2)}
.stat-bar b{color:var(--rose);font-family:var(--serif);font-size:16px}

/* ---------- 祝福墙 ---------- */
.wishes{display:flex;flex-direction:column;gap:10px;text-align:left}
.wish{background:#fff;border-radius:12px;padding:13px 15px;box-shadow:0 5px 16px rgba(180,140,140,.10)}
.wish b{font-size:13px;color:#8a5f64}
.wish p{margin:5px 0 0;font-size:13px;color:#6b5155;font-family:var(--serif)}
.wish time{font-size:11px;color:#bda5a8;display:block;margin-top:6px}
.empty{font-size:13px;color:#b3a0a3;text-align:center}

/* ---------- 页脚 ---------- */
.footer{padding:34px 26px 46px;text-align:center;color:var(--ink-2)}
.footer p{margin:6px 0;font-family:var(--serif);letter-spacing:.16em;font-size:12px}
.ft-date{color:var(--rose-2)!important}
.ft-small{font-size:11px;opacity:.7}

/* ---------- 音乐按钮 ---------- */
.music-btn{
  position:fixed;top:16px;right:16px;z-index:60;width:38px;height:38px;border-radius:50%;
  background:rgba(255,255,255,.82);backdrop-filter:blur(6px);box-shadow:0 4px 14px rgba(160,120,120,.22);
  display:flex;align-items:center;justify-content:center
}
.music-btn svg{width:18px;height:18px;fill:var(--rose)}
.music-btn.playing{animation:spin 4s linear infinite}
.music-btn.paused svg{opacity:.4}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- 花瓣 ---------- */
.petals{position:fixed;inset:0;pointer-events:none;z-index:40;overflow:hidden}
.petal{
  position:absolute;top:-6vh;width:12px;height:12px;opacity:.75;
  background:radial-gradient(circle at 30% 30%,#fff,#f5b9bf 70%,#e79aa3);
  border-radius:60% 40% 55% 45%;animation:fall linear infinite
}
@keyframes fall{
  0%{transform:translate3d(0,-10vh,0) rotate(0deg);opacity:0}
  10%{opacity:.8}
  100%{transform:translate3d(var(--dx,20px),105vh,0) rotate(520deg);opacity:0}
}

/* ---------- 灯箱 ---------- */
.lightbox{position:fixed;inset:0;z-index:100;background:rgba(30,20,22,.94);display:none;align-items:center;justify-content:center}
.lightbox.show{display:flex}
.lightbox img{max-width:92%;max-height:78%;border-radius:8px;animation:pop .3s ease}
.lb-close{position:absolute;top:16px;right:20px;color:#fff;font-size:32px;line-height:1}
.lb-nav{position:absolute;top:50%;transform:translateY(-50%);color:#fff;font-size:40px;padding:0 18px}
.lb-prev{left:0}.lb-next{right:0}
.lb-counter{position:absolute;bottom:26px;left:0;right:0;text-align:center;color:#e5c9cb;font-size:13px;font-family:var(--serif)}

/* ---------- Toast ---------- */
.toast{
  position:fixed;left:50%;bottom:88px;transform:translate(-50%,14px);z-index:120;
  background:rgba(60,42,45,.92);color:#fff;font-size:13px;padding:10px 20px;border-radius:24px;
  opacity:0;transition:.3s;pointer-events:none;max-width:80%;text-align:center
}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ---------- 动画 ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s ease,transform .8s ease}
.reveal.in{opacity:1;transform:none}
@keyframes fadeUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}
@keyframes breathe{0%,100%{box-shadow:0 0 0 0 rgba(193,160,106,.34)}50%{box-shadow:0 0 0 10px rgba(193,160,106,0)}}
@keyframes pop{from{transform:scale(.72);opacity:0}to{transform:scale(1);opacity:1}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}}