:root{color-scheme:light;--ivory:#fdf8f1;--cream:#f8eee1;--rose:#e8b4ba;--rose-deep:#d4899a;--plum:#6b4a5a;--gold:#c9a05a;--ink:#4a3b44;--muted:#9a8b92;--note-yellow:#fff6c2;--note-pink:#ffdce7;--note-mint:#d9f1e0;--card-shadow:0 14px 40px rgba(122,84,96,.12)}*{box-sizing:border-box}body,html{margin:0;padding:0;min-height:100%}body{font-family:PingFang SC,Hiragino Sans GB,Microsoft YaHei,"Noto Serif SC",serif;color:var(--ink);background:radial-gradient(circle at 12% 8%,rgba(232,180,186,.22),transparent 42%),radial-gradient(circle at 88% 92%,rgba(201,160,90,.16),transparent 42%),linear-gradient(180deg,var(--ivory) 0,var(--cream) 100%);min-height:100vh}button,input,textarea{font:inherit;color:inherit}h1,h2,h3{margin:0}.primary-btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 28px;border:none;border-radius:999px;background:linear-gradient(135deg,var(--rose-deep),var(--rose));color:#fff;font-size:16px;font-weight:600;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,filter .2s ease}.primary-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 12px 26px rgba(212,137,154,.35);filter:brightness(1.04)}.primary-btn:disabled{opacity:.55;cursor:not-allowed}.link-btn{background:none;border:none;color:var(--rose-deep);font-size:15px;cursor:pointer;padding:6px 10px;-webkit-text-decoration:underline dotted;text-decoration:underline dotted}.back-btn{background:#fff;border:1px solid #ecd9db;color:var(--plum);border-radius:999px;padding:8px 16px;cursor:pointer;font-size:14px}.muted{color:var(--muted)}.intro-screen{position:fixed;inset:0;z-index:100;overflow:hidden;display:flex;align-items:center;justify-content:center;background:linear-gradient(160deg,#fdf6ee,#f6e2e6 55%,#f2d7dd)}.hearts span{position:absolute;bottom:-60px;color:rgba(212,137,154,.4);animation:float-up linear infinite;pointer-events:none;-webkit-user-select:none;-moz-user-select:none;user-select:none}@keyframes float-up{0%{transform:translateY(0) rotate(0deg) scale(.8);opacity:0}12%{opacity:.85}to{transform:translateY(-112vh) rotate(24deg) scale(1.1);opacity:0}}.intro-content{text-align:center;padding:0 24px;animation:fade-in 1.1s ease both}.rings{position:relative;width:108px;height:108px;margin:0 auto 30px}.rings:after,.rings:before{content:"";position:absolute;inset:0;border-radius:50%;border:2px solid rgba(212,137,154,.5);animation:ring-in 1.5s ease both}.rings:after{inset:13px;border-color:rgba(201,160,90,.6);animation-delay:.25s}.rings span{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:34px;color:var(--rose-deep);animation:fade-in .8s ease .7s both}@keyframes ring-in{0%{transform:scale(.55);opacity:0}to{transform:scale(1);opacity:1}}.intro-content h1{font-size:clamp(40px,9vw,76px);letter-spacing:.24em;text-indent:.24em;color:var(--plum);font-weight:600}.intro-sub{margin-top:16px;letter-spacing:.12em;font-size:clamp(13px,2.4vw,17px)}.enter-btn,.intro-sub{color:var(--rose-deep)}.enter-btn{margin-top:48px;padding:14px 58px;border-radius:999px;border:1px solid var(--rose-deep);background:hsla(0,0%,100%,.85);font-size:17px;letter-spacing:.35em;text-indent:.35em;cursor:pointer;animation:fade-in 1s ease 1.1s both,pulse 2.4s ease-in-out 2.2s infinite;transition:background .2s ease,transform .2s ease}.enter-btn:hover{background:#fff;transform:translateY(-2px)}@keyframes pulse{0%,to{box-shadow:0 0 0 0 rgba(212,137,154,.4)}55%{box-shadow:0 0 0 16px rgba(212,137,154,0)}}.center-screen{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px 20px;text-align:center;animation:fade-up .6s ease both}.screen-title{font-size:clamp(26px,5vw,40px);letter-spacing:.12em;color:var(--plum)}.center-screen .muted{margin-top:10px}.card{background:hsla(0,0%,100%,.94);border:1px solid rgba(224,200,203,.6);border-radius:22px;box-shadow:var(--card-shadow);padding:26px;width:100%;max-width:460px;display:flex;flex-direction:column;gap:16px;margin-top:26px}input[type=text],textarea{width:100%;padding:13px 16px;border:1.5px solid #ead6d8;border-radius:14px;background:#fffaf6;outline:none;transition:border-color .2s ease,box-shadow .2s ease}input[type=text]:focus,textarea:focus{border-color:var(--rose-deep);box-shadow:0 0 0 3px rgba(232,180,186,.28)}.choice-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));grid-gap:22px;gap:22px;width:100%;max-width:680px;margin:30px 0 18px}.choice-card{display:flex;flex-direction:column;align-items:center;gap:10px;padding:40px 24px;border:none;border-radius:22px;background:#fff;box-shadow:var(--card-shadow);cursor:pointer;color:var(--ink);transition:transform .25s ease,box-shadow .25s ease}.choice-card:hover{transform:translateY(-6px);box-shadow:0 20px 46px rgba(122,84,96,.18)}.choice-icon{font-size:46px}.choice-card strong{font-size:18px;letter-spacing:.08em}.choice-card small{color:var(--muted);font-size:13px}.choice-card.photo{border-top:6px solid var(--rose)}.choice-card.message{border-top:6px solid var(--gold)}.page-section{max-width:900px;margin:0 auto;padding:34px 20px 70px;animation:fade-up .6s ease both}.section-head{display:flex;align-items:center;gap:16px;margin-bottom:8px}.section-head .screen-title{font-size:clamp(22px,4vw,30px)}.upload-card{max-width:640px;margin:20px auto 0}.drop-zone{display:flex;flex-direction:column;align-items:center;gap:8px;padding:46px 20px;border:2px dashed #e2c6ca;border-radius:18px;background:#fffaf6;cursor:pointer;transition:border-color .2s ease,background .2s ease}.drop-zone:hover{border-color:var(--rose-deep);background:#fff3ee}.plus{font-size:42px;line-height:1;color:var(--rose-deep)}.drop-zone strong{font-size:17px}.preview-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(108px,1fr));grid-gap:10px;gap:10px}.preview-grid img{width:100%;height:108px;object-fit:cover;border-radius:12px;box-shadow:0 6px 16px rgba(122,84,96,.16)}.home-head{text-align:center;padding:56px 20px 0;animation:fade-up .6s ease both}.home-eyebrow{color:var(--gold);letter-spacing:.3em;font-size:13px;text-transform:uppercase}.home-head h1{font-size:clamp(32px,6vw,54px);letter-spacing:.18em;color:var(--plum);margin-top:8px}.home-head .muted{margin-top:10px}.cloud-badge{display:inline-block;margin-top:14px;padding:6px 16px;border-radius:999px;background:rgba(201,160,90,.14);border:1px solid rgba(201,160,90,.35);color:#8a6a2f;font-size:13px;letter-spacing:.04em}.home-head .link-btn{margin-top:0}.home-actions{display:flex;align-items:center;justify-content:center;gap:16px;margin-top:14px}.admin-link{color:var(--muted);font-size:13px}.board-wrap,.wall-wrap{max-width:900px;margin:40px auto 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ease}.delete-btn:hover{background:#fff}.arrow{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border:none;border-radius:50%;background:hsla(0,0%,100%,.88);color:var(--plum);font-size:24px;line-height:1;cursor:pointer;box-shadow:0 6px 18px rgba(0,0,0,.18);transition:transform .2s ease,background .2s ease}.arrow:hover{transform:translateY(-50%) scale(1.08);background:#fff}.arrow.left{left:16px}.arrow.right{right:16px}.wall-dots{display:flex;justify-content:center;gap:9px;margin-top:16px}.dot{width:10px;height:10px;padding:0;border:none;border-radius:50%;background:#e4cfd2;cursor:pointer;transition:background .2s ease,transform .2s ease}.dot.active{background:var(--rose-deep);transform:scale(1.4)}.note-form{max-width:640px;margin:24px auto 0}.char-count{text-align:right;margin-top:10px;font-size:13px}.sticky-note{position:relative;background:var(--note-yellow);border:1px solid rgba(130,100,45,.18);border-radius:5px;padding:32px 18px 16px;box-shadow:5px 7px 16px rgba(122,84,96,.16);font-family:KaiTi,STKaiti,楷体,PingFang SC,serif}.sticky-note:before{content:"";position:absolute;top:-11px;left:50%;width:92px;height:22px;transform:translateX(-50%) rotate(-2deg);background:hsla(0,0%,100%,.55);border:1px solid rgba(0,0,0,.05);box-shadow:0 2px 4px rgba(0,0,0,.08)}.note-0{transform:rotate(-1deg);animation:note-in .45s ease backwards}.note-1{background:var(--note-pink);transform:rotate(.9deg);animation:note-in .45s ease .05s backwards}.note-2{background:var(--note-mint);transform:rotate(-.6deg);animation:note-in .45s ease .1s backwards}@keyframes note-in{0%{opacity:0;transform:translateY(-16px) scale(.95)}to{opacity:1}}.note-board{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));grid-gap:26px;gap:26px;padding-bottom:60px}.note-text{margin:0 0 14px;line-height:1.9;white-space:pre-wrap;word-break:break-word;font-size:17px;color:#6b5637}.sticky-note 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.note-footer{margin-top:14px}.empty-state{display:flex;flex-direction:column;align-items:center;gap:18px;padding:52px 20px;background:hsla(0,0%,100%,.92);border:1px solid rgba(224,200,203,.6);border-radius:22px;box-shadow:var(--card-shadow);color:var(--muted);text-align:center}.site-footer{text-align:center;padding:30px 0 46px;color:var(--rose-deep);letter-spacing:.14em;font-size:14px}.admin-modal{position:fixed;inset:0;z-index:200;display:flex;align-items:center;justify-content:center;padding:20px;background:rgba(60,32,44,.45);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);animation:fade-in .25s ease both}.admin-card{width:100%;max-width:380px;padding:30px 26px;border-radius:20px;background:#fff;box-shadow:0 24px 60px rgba(60,32,44,.3);display:flex;flex-direction:column;gap:14px;animation:fade-up .3s ease both}.admin-card h3{color:var(--plum);letter-spacing:.1em}.admin-actions{display:flex;justify-content:flex-end;gap:10px}@keyframes fade-in{0%{opacity:0}to{opacity:1}}@keyframes fade-up{0%{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}@media (max-width:640px){.wall-stage{aspect-ratio:1/1}.page-section{padding:24px 14px 56px}}