*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{scroll-behavior:smooth}
body{font-family:"Songti SC","Noto Serif SC","STSong","SimSun",serif;background:#fdf8f3;color:#5b4a3f;line-height:1.7;overflow-x:hidden}
img{display:block;max-width:100%}
button{font-family:inherit;cursor:pointer}
.wrap{max-width:720px;margin:0 auto;padding:0 20px}
/* 通用板块标题 */
.sec{padding:64px 0 40px}
.sec-head{text-align:center;margin-bottom:36px}
.sec-head .en{font-size:11px;letter-spacing:.45em;color:#c2a15f;text-transform:uppercase}
.sec-head .cn{font-size:26px;letter-spacing:.3em;color:#7a5c48;margin:8px 0 12px;font-weight:600}
.sec-head .divider{display:flex;align-items:center;justify-content:center;gap:10px;color:#c2a15f}
.sec-head .divider::before,.sec-head .divider::after{content:"";width:56px;height:1px;background:linear-gradient(90deg,transparent,#c2a15f);display:block}
.sec-head .divider::after{background:linear-gradient(90deg,#c2a15f,transparent)}
/* 封面 */
.cover{position:relative;height:100vh;min-height:620px;overflow:hidden;display:flex;align-items:center;justify-content:center;background:#5a3038}
.cover .bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transform:scale(1.05);animation:breath 14s ease-in-out infinite alternate}
@keyframes breath{from{transform:scale(1.05)}to{transform:scale(1.12)}}
.cover .veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(52,26,28,.28) 0%,rgba(58,28,30,.42) 55%,rgba(40,20,22,.72) 100%)}
.cover .title-box{position:relative;z-index:2;text-align:center;color:#fff;padding:0 24px}
.cover .we{font-size:12px;letter-spacing:.6em;color:#f0d9b8;margin-bottom:18px}
.cover h1{font-size:44px;letter-spacing:.22em;font-weight:600;text-shadow:0 2px 18px rgba(0,0,0,.35);margin-bottom:22px}
.cover .names{font-size:20px;letter-spacing:.18em;color:#f6e8d6;margin-bottom:10px}
.cover .names .amp{color:#e9c584;margin:0 10px;font-style:italic}
.cover .date{font-size:14px;letter-spacing:.28em;color:#e8cfae;margin-top:6px}
.cover .orn{color:#e9c584;font-size:18px;margin:14px 0;letter-spacing:.5em}
.petals{position:absolute;inset:0;overflow:hidden;pointer-events:none;z-index:1}
.petal{position:absolute;top:-6%;border-radius:150% 0 150% 0;opacity:.85;animation:fall linear infinite}
@keyframes fall{0%{transform:translate3d(0,-8vh,0) rotate(0deg)}100%{transform:translate3d(var(--sway),108vh,0) rotate(560deg)}}
.scroll-hint{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:2;color:#f0d9b8;font-size:11px;letter-spacing:.4em;text-align:center;animation:hint 2.2s ease-in-out infinite}
.scroll-hint .arrow{display:block;font-size:16px;margin-top:4px}
@keyframes hint{0%,100%{transform:translate(-50%,0)}50%{transform:translate(-50%,8px)}}
.music-btn{position:fixed;top:16px;right:16px;z-index:60;width:44px;height:44px;border-radius:50%;border:1px solid rgba(255,255,255,.7);background:rgba(60,30,32,.35);backdrop-filter:blur(4px);color:#fff;font-size:18px;display:flex;align-items:center;justify-content:center;transition:transform .3s}
.music-btn .disc{width:20px;height:20px;border-radius:50%;border:2px solid #fff;position:relative}
.music-btn .disc::after{content:"";position:absolute;inset:6px;border-radius:50%;background:#fff}
.music-btn.playing{animation:spin 6s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.music-btn.paused .disc{opacity:.5}
/* 倒计时 */
.cd-panel{background:linear-gradient(180deg,#fffdf9,#fbeee4);border:1px solid #ecd9c4;border-radius:18px;padding:36px 20px;text-align:center;box-shadow:0 10px 30px rgba(160,120,80,.12)}
.cd-note{font-size:13px;letter-spacing:.2em;color:#a08265;margin-bottom:24px}
.cd-row{display:flex;justify-content:center;align-items:center;gap:8px;flex-wrap:nowrap}
.cd-unit{display:flex;flex-direction:column;align-items:center;gap:8px}
.cd-num{perspective:400px;min-width:64px}
.cd-num .card{display:block;background:linear-gradient(180deg,#8a5a44,#6d4335);color:#f6e3c8;font-size:32px;font-weight:700;border-radius:10px;padding:12px 6px;box-shadow:0 6px 14px rgba(110,70,50,.3),inset 0 1px 0 rgba(255,255,255,.25);transform-origin:center 60%;font-variant-numeric:tabular-nums}
.cd-num.flip .card{animation:flip .6s ease}
@keyframes flip{0%{transform:rotateX(0)}45%{transform:rotateX(90deg)}55%{transform:rotateX(90deg)}100%{transform:rotateX(0)}}
.cd-label{font-size:12px;letter-spacing:.3em;color:#a08265}
.cd-sep{font-size:24px;color:#c2a15f;padding-bottom:26px}
.cd-done{font-size:18px;letter-spacing:.2em;color:#8a5a44;padding:20px 0}
/* 渐入 */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .9s ease,transform .9s ease}
.reveal.on{opacity:1;transform:none}
/* 故事时间线 */
.story{position:relative;padding-left:0}
.story::before{content:"";position:absolute;left:50%;top:0;bottom:0;width:1px;background:linear-gradient(180deg,transparent,#d8b98c 12%,#d8b98c 88%,transparent)}
.node{position:relative;width:50%;padding:10px 34px 34px 0;text-align:right}
.node:nth-child(even){margin-left:50%;padding:10px 0 34px 34px;text-align:left}
.node .dot{position:absolute;top:16px;right:-7px;width:14px;height:14px;border-radius:50%;background:#c2a15f;border:3px solid #fdf8f3;box-shadow:0 0 0 1px #c2a15f}
.node:nth-child(even) .dot{right:auto;left:-7px}
.node .when{font-size:12px;letter-spacing:.3em;color:#c2a15f}
.node h3{font-size:18px;letter-spacing:.2em;color:#7a5c48;margin:6px 0 8px}
.node p{font-size:13.5px;color:#8b7361}
.node .pic{margin-top:12px;border-radius:12px;overflow:hidden;border:4px solid #fff;box-shadow:0 8px 20px rgba(150,110,80,.18);display:inline-block;max-width:min(100%,320px)}
.node .pic img{width:100%;height:auto;display:block}
/* 相册 */
.gal{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.gal figure{border-radius:10px;overflow:hidden;position:relative;cursor:zoom-in;border:3px solid #fff;box-shadow:0 6px 16px rgba(150,110,80,.15)}
.gal figure::after{content:"\2315";position:absolute;right:8px;bottom:6px;color:#fff;font-size:16px;opacity:0;transition:opacity .3s;text-shadow:0 1px 4px rgba(0,0,0,.5)}
.gal figure:hover::after{opacity:1}
.gal img{width:100%;aspect-ratio:3/4;object-fit:cover;transition:transform .6s ease}
.gal figure:hover img{transform:scale(1.06)}
.gal figure.wide{grid-column:span 2}
.gal figure.wide img{aspect-ratio:auto;height:100%}
.lb{position:fixed;inset:0;z-index:100;background:rgba(24,14,14,.94);display:none;align-items:center;justify-content:center;flex-direction:column}
.lb.open{display:flex}
.lb img{max-width:92vw;max-height:78vh;border-radius:6px;box-shadow:0 10px 40px rgba(0,0,0,.6)}
.lb .bar{display:flex;align-items:center;gap:26px;margin-top:18px;color:#e8cfae}
.lb button{background:none;border:1px solid rgba(232,207,174,.5);color:#e8cfae;border-radius:50%;width:40px;height:40px;font-size:16px}
.lb .cnt{font-size:13px;letter-spacing:.2em}
.lb .close{position:absolute;top:18px;right:18px}
/* 信息卡片 */
.info-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:22px}
.icard{background:#fffdf9;border:1px solid #ecd9c4;border-radius:14px;padding:22px 10px;text-align:center;box-shadow:0 6px 16px rgba(160,120,80,.1)}
.icard .ico{font-size:22px;color:#c2a15f}
.icard h4{font-size:15px;letter-spacing:.25em;color:#7a5c48;margin:10px 0 6px}
.icard .t{font-size:20px;color:#8a5a44;font-weight:700;letter-spacing:.06em}
.icard .s{font-size:12px;color:#a08265;margin-top:4px}
.addr-box{background:linear-gradient(135deg,#8a5a44,#6d4335);border-radius:16px;color:#f6e8d6;padding:26px 20px;text-align:center;box-shadow:0 10px 26px rgba(110,70,50,.28)}
.addr-box .h{font-size:13px;letter-spacing:.35em;color:#e9c584;margin-bottom:10px}
.addr-box .a{font-size:16.5px;letter-spacing:.1em;line-height:1.9}
.nav-btns{display:flex;gap:10px;justify-content:center;margin-top:20px;flex-wrap:wrap}
.nav-btns button{background:#fffdf9;border:1px solid #d8b98c;color:#8a5a44;border-radius:999px;padding:10px 22px;font-size:13.5px;letter-spacing:.15em;transition:all .25s}
.nav-btns button:hover{background:#c2a15f;color:#fff;border-color:#c2a15f}
/* 表单 */
.form{background:#fffdf9;border:1px solid #ecd9c4;border-radius:16px;padding:28px 22px;box-shadow:0 10px 26px rgba(160,120,80,.1);max-width:560px;margin:0 auto}
.fgroup{margin-bottom:16px}
.fgroup label{display:block;font-size:13px;letter-spacing:.2em;color:#8a5a44;margin-bottom:8px}
.fgroup input,.fgroup textarea,.fgroup select{width:100%;border:1px solid #e2cdb4;border-radius:10px;padding:12px 14px;font-size:15px;color:#5b4a3f;background:#fff;font-family:inherit;outline:none;transition:border .25s,box-shadow .25s}
.fgroup textarea{resize:vertical;min-height:86px}
.fgroup input:focus,.fgroup textarea:focus,.fgroup select:focus{border-color:#c2a15f;box-shadow:0 0 0 3px rgba(194,161,95,.15)}
.fgroup .err{color:#c0392b;font-size:12px;margin-top:6px;display:none}
.fgroup.bad input,.fgroup.bad textarea{border-color:#c0392b}
.fgroup.bad .err{display:block}
.submit-btn{width:100%;border:none;border-radius:999px;padding:14px 0;font-size:15px;letter-spacing:.35em;color:#fff;background:linear-gradient(135deg,#c2a15f,#a97e4f);box-shadow:0 8px 20px rgba(169,126,79,.35);transition:transform .2s,box-shadow .2s}
.submit-btn:active{transform:scale(.98)}
/* 出席回执 */
.rsvp-note{text-align:center;font-size:13px;letter-spacing:.15em;color:#a08265;margin-bottom:22px}
.radio-row{display:flex;gap:10px;flex-wrap:wrap}
.radio-opt{flex:1;min-width:88px;text-align:center;position:relative}
.radio-opt input{position:absolute;opacity:0;pointer-events:none}
.radio-opt span{display:block;border:1px solid #e2cdb4;border-radius:10px;padding:11px 6px;font-size:14px;letter-spacing:.1em;color:#8b7361;transition:all .25s}
.radio-opt input:checked + span{border-color:#c2a15f;background:linear-gradient(135deg,#fff8ec,#fbeee4);color:#7a5c48;font-weight:600;box-shadow:0 0 0 3px rgba(194,161,95,.12)}
.fgroup.bad .radio-row{outline:1px solid #c0392b;border-radius:10px}
.err-radio{display:none}
.fgroup.bad .err-radio{display:block}
.rsvp-err{max-width:560px;margin:0 auto 18px;text-align:center;font-size:13px;letter-spacing:.1em;color:#c0392b;background:#fdf0ee;border:1px solid #f0c4bc;border-radius:10px;padding:10px 14px}
.rsvp-result{max-width:560px;margin:0 auto;opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s ease}
.rsvp-result.on{opacity:1;transform:none}
.rsvp-card{background:linear-gradient(135deg,#fff8ec,#fbeee4);border:1px solid #ecd9c4;border-radius:16px;padding:36px 24px;text-align:center;box-shadow:0 10px 26px rgba(160,120,80,.12)}
.rsvp-card .check{width:52px;height:52px;border-radius:50%;background:linear-gradient(135deg,#c2a15f,#a97e4f);color:#fff;font-size:24px;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;box-shadow:0 6px 16px rgba(169,126,79,.35)}
.rsvp-card h3{font-size:18px;letter-spacing:.25em;color:#7a5c48;margin-bottom:16px}
.rsvp-summary{font-size:14px;color:#6d584a;line-height:2.2;text-align:left;background:#fff;border-radius:10px;padding:16px 20px;margin-bottom:16px}
.rsvp-summary strong{color:#7a5c48;letter-spacing:.1em;margin-right:4px}
.rsvp-tip{font-size:12px;letter-spacing:.15em;color:#a08265;margin-bottom:16px}
.copy-btn{border:1px solid #c2a15f;background:none;color:#8a5a44;border-radius:999px;padding:10px 28px;font-size:13px;letter-spacing:.2em;transition:all .25s}
.copy-btn:active{transform:scale(.97)}
/* 交通 */
.tr-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.trcard{background:#fffdf9;border:1px solid #ecd9c4;border-radius:14px;padding:22px 14px;box-shadow:0 6px 16px rgba(160,120,80,.1)}
.trcard .ico{font-size:22px;color:#c2a15f;text-align:center}
.trcard h4{font-size:15px;letter-spacing:.25em;color:#7a5c48;margin:10px 0 8px;text-align:center}
.trcard p{font-size:12.5px;color:#8b7361;line-height:1.9}
/* 祝福墙 */
.bw-form{max-width:560px;margin:0 auto 26px}
.bw-list{display:flex;flex-direction:column;gap:12px;max-width:560px;margin:0 auto}
.bw-item{background:#fffdf9;border:1px solid #ecd9c4;border-left:3px solid #c2a15f;border-radius:12px;padding:14px 16px;animation:bwIn .5s ease}
@keyframes bwIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.bw-item.out{opacity:0;transform:translateY(-14px);transition:opacity .45s ease,transform .45s ease}
.bw-item .who{font-size:13px;color:#c2a15f;letter-spacing:.12em}
.bw-item .msg{font-size:14px;color:#6d584a;margin-top:4px;white-space:pre-wrap}
.bw-cnt{text-align:center;font-size:12px;letter-spacing:.25em;color:#a08265;margin-top:14px}
/* 页脚 */
footer{text-align:center;padding:50px 20px 64px;background:linear-gradient(180deg,transparent,#f7e9dc)}
footer .names{font-size:18px;letter-spacing:.3em;color:#8a5a44}
footer .vow{font-size:13px;letter-spacing:.3em;color:#c2a15f;margin:12px 0}
footer .line{font-size:12px;letter-spacing:.2em;color:#a08265}
@media (max-width:460px){
  .cover h1{font-size:34px}
  .cd-num{min-width:52px}
  .cd-num .card{font-size:24px;padding:10px 4px}
  .gal{gap:6px}
  .node p{font-size:12.5px}
}
@media (min-width:900px){
  .wrap{max-width:820px}
  .gal{grid-template-columns:repeat(4,1fr)}
}
/* 微信分享引导层 */
.wx-guide{position:fixed;inset:0;z-index:9999;background:rgba(30,16,18,.88);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;padding:24px}
.wx-guide-box{background:#fffdf9;border-radius:18px;max-width:340px;width:100%;padding:30px 26px;text-align:center;box-shadow:0 18px 50px rgba(0,0,0,.35);border:1px solid #e9d9c4}
.wx-guide-title{font-size:20px;letter-spacing:.15em;color:#7a5c48;font-weight:600;margin-bottom:20px}
.wx-guide-step{display:flex;align-items:center;gap:12px;background:#faf3e8;border-radius:12px;padding:13px 16px;margin-bottom:10px;text-align:left;font-size:14px;color:#5b4a3f}
.wx-guide-step b{font-size:18px;color:#c2a15f}
.step-num{flex:none;width:24px;height:24px;border-radius:50%;background:#c2a15f;color:#fff;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:600}
.wx-guide-note{font-size:12.5px;color:#a08265;margin:16px 0 20px;line-height:1.6}
.wx-guide-btn{width:100%;background:linear-gradient(135deg,#c2a15f,#a8864a);color:#fff;border:none;border-radius:24px;padding:13px;font-size:15px;letter-spacing:.2em;transition:opacity .2s}
.wx-guide-btn:active{opacity:.85}