:root{color-scheme:light;--bg: #f4efff;--ink: #2c2738;--muted: #766d87;--soft: rgba(255, 255, 255, .62);--line: rgba(107, 86, 145, .14);--accent: #8f73d8;--accent-strong: #6f55b8;--accent-soft: #eee8ff;--rose: #b56c9d;--heart: #ef476f;--heart-strong: #d8325d;--shadow: 0 18px 44px rgba(89, 68, 132, .1)}*{box-sizing:border-box}[hidden]{display:none!important}html{min-height:100%;scroll-behavior:smooth}body{margin:0;min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--ink)}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}button{cursor:pointer}.page-shell{width:min(900px,calc(100% - 32px));min-height:100vh;margin:0 auto;padding:56px 0 32px;display:grid;align-content:center;gap:18px}.page-shell--home{width:min(640px,calc(100% - 28px));min-height:100svh;padding:28px 0}.access-card{min-height:calc(100svh - 56px);display:grid;place-items:center}.access-form{width:100%;display:grid;gap:20px}.access-form input{height:clamp(76px,14vw,94px);padding:0 18px;border:2px solid rgba(239,71,111,.72);border-radius:8px;background:#ffffffc2;color:var(--ink);font-size:clamp(1.55rem,7vw,2.25rem);font-weight:760;letter-spacing:.08em;line-height:1;text-align:center;box-shadow:0 0 0 5px #ef476f1a}.access-form input::placeholder{color:#2c27389e;opacity:1}.access-form input:focus{border-color:#ef476fe0;box-shadow:0 0 0 5px #ef476f24}.access-status{margin:0;color:#806877;font-size:clamp(1.16rem,4.5vw,1.55rem);font-weight:760;line-height:1.35;text-align:center}.access-button{min-height:clamp(70px,13vw,84px);border:0;border-radius:8px;background:#d96b8d;color:#fff;font-size:clamp(1.45rem,5.7vw,1.9rem);font-weight:760;transition:transform .16s ease,background .16s ease}.access-button:hover{transform:translateY(-1px);background:#cf5f83}.access-button:active{transform:scale(.99)}.access-form--shake{animation:access-shake .26s ease}.home-card{min-height:calc(100svh - 56px);padding:34px 22px;display:grid;grid-template-rows:1fr auto 1fr;justify-items:center;align-items:center;gap:18px;background:transparent;border:0;box-shadow:none}.heart-wrap{align-self:center;grid-row:2;position:relative;display:grid;place-items:center}.heart-button{width:min(62vw,228px);aspect-ratio:1;border:0;border-radius:50%;display:grid;place-items:center;background:radial-gradient(circle at 35% 28%,#ff7895,var(--heart));color:#fff;box-shadow:0 18px 38px #ef476f42;transition:transform .16s ease,box-shadow .16s ease,filter .16s ease}.heart-button span{transform:translateY(-2px);font-size:clamp(5.3rem,29vw,8.8rem);line-height:1}.heart-button:hover{transform:translateY(-2px);box-shadow:0 22px 44px #ef476f4d}.heart-button:active{transform:scale(.96);filter:saturate(1.08)}.heart-popover{position:absolute;left:50%;bottom:calc(100% + 18px);width:min(78vw,260px);padding:14px 16px;display:grid;gap:6px;border:1px solid rgba(107,86,145,.14);border-radius:8px;background:#ffffffc7;box-shadow:0 18px 34px #5944841f;backdrop-filter:blur(18px);opacity:0;pointer-events:none;transform:translate(-50%,10px);transition:opacity .16s ease,transform .18s ease}@media(hover:hover){.heart-wrap:hover .heart-popover,.heart-wrap:focus-within .heart-popover{opacity:1;transform:translate(-50%)}}@media(hover:none){.heart-popover{opacity:1;transform:translate(-50%)}}.heart-popover:after{content:"";position:absolute;left:50%;top:100%;width:14px;aspect-ratio:1;background:#ffffffc7;border-right:1px solid rgba(107,86,145,.14);border-bottom:1px solid rgba(107,86,145,.14);transform:translate(-50%,-7px) rotate(45deg)}.heart-popover p{margin:0}.heart-popover__count{color:var(--heart-strong);font-size:1.18rem;font-weight:760;line-height:1.25}.heart-popover__time{color:var(--muted);font-size:.88rem;line-height:1.45}.heart-popover__note{margin-top:4px;max-height:88px;overflow:hidden;color:var(--ink);font-size:.94rem;line-height:1.62;overflow-wrap:anywhere}.message-sheet{position:fixed;inset:0;z-index:10;display:grid;place-items:end center;padding:18px;background:#2c273814;opacity:0;pointer-events:none;transition:opacity .18s ease}.message-sheet--open{opacity:1;pointer-events:auto}.message-sheet__surface{width:min(100%,430px);max-height:min(72svh,560px);padding:14px;display:grid;gap:12px;overflow:hidden;background:#ffffffb8;border:1px solid rgba(107,86,145,.16);border-radius:8px;box-shadow:0 22px 46px #59448424;backdrop-filter:blur(18px);transform:translateY(18px);transition:transform .22s ease}.message-sheet--open .message-sheet__surface{transform:translateY(0)}.sheet-close{justify-self:end;width:36px;aspect-ratio:1;border:0;border-radius:50%;display:grid;place-items:center;background:#f4efffcc;color:var(--muted);font-size:1.35rem;line-height:1}.public-form{display:grid;grid-template-columns:minmax(0,1fr) 46px;gap:8px}.public-form textarea{min-height:92px;max-height:160px;resize:vertical;background:#ffffffb3}.public-send{width:46px;min-height:46px;border:1px solid rgba(143,115,216,.2);border-radius:8px;background:#ffffffb3;color:var(--accent-strong);font-size:1.24rem;font-weight:760}.public-messages{display:grid;gap:8px;max-height:280px;overflow-y:auto;overscroll-behavior:contain}.public-message{margin:0;padding:10px 12px;overflow-wrap:anywhere;color:var(--ink);font-size:.96rem;line-height:1.65;background:#f4efffa8;border:1px solid rgba(107,86,145,.1);border-radius:8px}.hero{display:grid;grid-template-columns:minmax(0,1fr) 190px;align-items:center;gap:28px;padding:42px 44px 34px;background:var(--soft);border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow);backdrop-filter:blur(14px)}.eyebrow{margin:0 0 14px;color:var(--accent-strong);font-size:.78rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase}h1{margin:0;font-size:clamp(3rem,8vw,5.6rem);line-height:1;letter-spacing:0;font-weight:760}.intro{max-width:500px;margin:22px 0 0;color:var(--muted);font-size:1.05rem;line-height:1.85}.character{width:min(100%,178px);justify-self:end;opacity:.9;filter:drop-shadow(0 18px 28px rgba(89,68,132,.12))}.send-panel{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(220px,.8fr);gap:14px}.message-form,.signal-panel,.owner-panel,.message-card,.empty{background:var(--soft);border:1px solid var(--line);border-radius:8px;backdrop-filter:blur(14px)}.message-form{display:grid;gap:14px;padding:20px}.message-form label,.owner-panel label{display:grid;gap:8px}.message-form label span,.owner-panel label span{color:var(--accent-strong);font-size:.84rem;font-weight:700}textarea,input{width:100%;border:1px solid var(--line);border-radius:8px;background:#ffffffa3;color:var(--ink);outline:none;padding:13px 14px;resize:vertical}textarea:focus,input:focus{border-color:#8f73d88c;box-shadow:0 0 0 3px #8f73d81f}.actions{display:flex;flex-wrap:wrap;gap:12px}.button{min-height:48px;border:0;border-radius:8px;padding:0 20px;font-weight:760;transition:transform .18s ease,background .18s ease,border-color .18s ease}.button:hover{transform:translateY(-2px)}.button--primary{background:var(--accent);color:#fff}.button--primary:hover{background:var(--accent-strong)}.button--ghost{background:var(--accent-soft);color:var(--accent-strong);border:1px solid rgba(143,115,216,.24)}.signal-panel{min-height:100%;padding:22px;display:grid;align-content:center;gap:8px}.panel-title{margin:0;color:var(--accent-strong);font-size:1.1rem;font-weight:760}.panel-copy,.status,.footnote,.empty{color:var(--muted);font-size:.92rem;line-height:1.7}.panel-copy,.status,.footnote{margin:0}.status[data-type=success]{color:var(--accent-strong);font-weight:760}.status[data-type=error]{color:#9c4d84;font-weight:760}.footnote{margin:0;text-align:center}.page-shell--inbox{max-width:860px;align-content:start}.inbox-head,.owner-panel,.message-list{width:100%}.inbox-head{padding:44px 0 10px}.owner-panel{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:14px;padding:18px}.owner-panel .status{grid-column:1 / -1}.message-list{display:grid;gap:12px}.message-card,.empty{padding:18px}.message-meta{display:flex;justify-content:space-between;gap:14px;color:var(--muted);font-size:.84rem}.message-meta span{color:var(--accent-strong);font-weight:760}.message-body{margin:12px 0 0;font-size:1.05rem;line-height:1.8}.message-place{margin:12px 0 0;color:var(--rose);font-weight:760}@keyframes access-shake{0%,to{transform:translate(0)}25%{transform:translate(-8px)}75%{transform:translate(8px)}}@media(max-width:760px){.page-shell{width:min(100% - 24px,520px);padding:18px 0;align-content:start}.page-shell--home{width:min(100% - 22px,420px);min-height:100svh;padding:11px 0;align-content:center}.access-card{min-height:calc(100svh - 22px)}.access-form{gap:18px}.home-card{min-height:calc(100svh - 22px);padding:28px 18px 18px;gap:14px}.heart-button{width:min(62vw,188px)}.heart-popover{bottom:calc(100% + 14px);width:min(86vw,250px)}.message-sheet{padding:10px}.message-sheet__surface{max-height:76svh}.hero,.send-panel,.owner-panel{grid-template-columns:1fr}.hero{padding:34px 24px 26px;gap:14px}.character{width:132px;justify-self:start}.intro{font-size:1rem;margin-top:22px}.actions,.button{width:100%}.message-meta{display:grid;gap:2px}}