:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--space:#06111f;--paper:#f4f7fa;--mist:#b9cad8;--signal:#f0c975;--line:#cee5f438;--radius:14px;font-family:Microsoft YaHei,PingFang SC,system-ui,sans-serif}*{box-sizing:border-box}html{background:var(--space);scroll-behavior:smooth}body{background:var(--space);min-width:320px;color:var(--paper);margin:0;overflow-x:hidden}button,input{font:inherit}button{touch-action:manipulation}#skyCanvas{z-index:0;background:#090a0d;width:100%;height:100%;position:fixed;inset:0}#experience{z-index:1;position:relative}.stage{isolation:isolate;min-height:100dvh;position:relative}.stage[hidden]{display:none}.music-toggle{z-index:12;border-radius:var(--radius);color:#f7d68e;letter-spacing:.12em;cursor:pointer;-webkit-backdrop-filter:blur(12px);background:#06111fc7;border:1px solid #f0c9758f;min-height:42px;padding:0 14px;font-family:Consolas,Courier New,monospace;font-size:.78rem;transition:transform .18s,background .18s;position:fixed;top:20px;left:20px}.music-toggle:hover{background:#122538f0;transform:translateY(-2px)}.music-toggle:active{transform:translateY(1px)scale(.98)}.music-toggle:focus-visible,.music-panel button:focus-visible{outline:2px solid var(--signal);outline-offset:3px}.music-panel{z-index:12;border-radius:var(--radius);background:#06111ff0;border:1px solid #cee5f447;width:min(350px,100vw - 40px);position:fixed;top:72px;left:20px;overflow:hidden;box-shadow:0 18px 48px #0000004d}.music-panel[hidden]{display:none}.music-panel__header{min-height:46px;color:var(--paper);border-bottom:1px solid #cee5f42b;justify-content:space-between;align-items:center;padding:0 12px 0 15px;display:flex}.music-panel__header strong{font-size:.88rem;font-weight:650}.music-panel__header button{min-height:30px;color:var(--mist);cursor:pointer;background:0 0;border:0;border-radius:8px;padding:0 8px}.music-panel__header button:hover{color:var(--paper);background:#cee5f41a}.music-panel iframe{background:#111;border:0;width:100%;height:430px;display:block}.opening{align-content:center;padding:10vh max(7vw,28px);display:grid;overflow:hidden}.opening__copy{z-index:2;max-width:min(90vw,960px);position:relative}.opening__eyebrow,.cake-copy__eyebrow{color:var(--signal);letter-spacing:.16em;margin:0 0 22px;font-family:Consolas,Courier New,monospace;font-size:.7rem;line-height:1.5}.opening__type-wrap{min-height:clamp(162px,25vw,300px)}.opening__previous{color:#c9d8e58c;letter-spacing:.03em;min-height:1.8em;margin:0 0 7px;font-size:clamp(1rem,2vw,1.35rem);transition:opacity .46s,transform .46s}.opening__previous.is-leaving{opacity:0;transform:translateY(-14px)}.opening__typing{max-width:8em;color:var(--paper);letter-spacing:-.07em;word-break:keep-all;margin:0;font-size:clamp(3rem,6vw,5.8rem);font-weight:650;line-height:1.13;display:inline}.caret{background:var(--signal);vertical-align:-.05em;width:.09em;height:.78em;margin-left:.12em;animation:.78s steps(2,start) infinite blink;display:inline-block}.opening__hint{z-index:2;color:#dbe7f29e;text-align:right;max-width:20rem;margin:0;font-size:.88rem;line-height:1.7;position:absolute;bottom:clamp(28px,7vh,68px);right:max(7vw,28px)}.name-form{width:min(100%,500px);margin-top:42px;animation:.54s cubic-bezier(.16,1,.3,1) both form-rise}.name-form[hidden]{display:none}.name-form label,.blessing-form label{color:var(--mist);margin-bottom:10px;font-size:.95rem;display:block}.name-form__row,.blessing-form__row{gap:10px;display:flex}.name-form input,.blessing-form input{border:1px solid var(--line);border-radius:var(--radius);min-width:0;min-height:48px;color:var(--paper);background:#051425bf;outline:none;flex:1;padding:0 14px}.name-form input::placeholder,.blessing-form input::placeholder{color:#d0deec85}.name-form input:focus,.blessing-form input:focus{border-color:var(--signal);box-shadow:0 0 0 3px #f0c97524}.name-form button,.blessing-form button,.candle-button{border-radius:var(--radius);background:var(--signal);color:#102336;cursor:pointer;border:1px solid #f7da99d1;min-height:48px;padding:0 20px;font-weight:700;transition:transform .18s,background .18s}.name-form button:hover,.blessing-form button:hover,.candle-button:hover{background:#f9dda1;transform:translateY(-2px)}.name-form button:active,.blessing-form button:active,.candle-button:active{transform:translateY(1px)scale(.98)}.name-form button:focus-visible,.blessing-form button:focus-visible,.candle-button:focus-visible{outline:2px solid var(--signal);outline-offset:4px}.known-recipient{margin-top:38px;animation:.54s cubic-bezier(.16,1,.3,1) both form-rise}.known-recipient p{color:var(--mist);margin:0 0 5px;font-size:.95rem}.known-recipient strong{color:var(--signal);letter-spacing:-.06em;margin-bottom:18px;font-size:clamp(2rem,4vw,3.5rem);display:block}.known-recipient button{border-radius:var(--radius);background:var(--signal);color:#102336;cursor:pointer;border:1px solid #f7da99d1;min-height:48px;padding:0 20px;font-weight:700;transition:transform .18s,background .18s}.known-recipient button:hover{background:#f9dda1;transform:translateY(-2px)}.known-recipient button:active{transform:translateY(1px)scale(.98)}.cake-stage{background:radial-gradient(circle at 55% 40%,#3f33236b 0%,#0000 63%);place-items:center;display:grid;overflow:hidden}.cake-stage:after,.wish-wall:after{z-index:-1;content:"";pointer-events:none;background:radial-gradient(circle at 12% 18%,#f4e6ca0f,#0000 28%),radial-gradient(circle at 88% 70%,#f0c97514,#0000 25%);position:absolute;inset:0}#cakeFireworks,#wallFireworks{z-index:0;pointer-events:none;width:100%;height:100%;position:absolute;inset:0}.cake-copy{z-index:2;pointer-events:none;position:absolute;top:clamp(34px,7vh,82px);left:max(7vw,28px)}.cake-copy__eyebrow{margin-bottom:13px}.cake-copy h2{color:#fff8ea;letter-spacing:-.075em;max-width:8ch;margin:0 0 12px;font-size:clamp(2.35rem,6.2vw,5.8rem);font-weight:650;line-height:1.04}.cake-copy p:not(.cake-copy__eyebrow){color:#d7e3ed;max-width:22rem;margin:0;font-size:clamp(1rem,1.65vw,1.18rem);line-height:1.65}.cake-world{z-index:1;touch-action:manipulation;width:min(78vw,920px);height:min(68vh,690px);margin-top:8vh;position:relative}.cake-world canvas{outline:none;width:100%;height:100%;display:block}.candle-button{z-index:3;position:absolute;bottom:max(7vh,32px);right:max(7vw,28px)}.cake-status{z-index:3;color:#f8dfa3;text-align:right;width:min(300px,70vw);margin:0;font-size:.9rem;line-height:1.5;position:absolute;bottom:calc(max(7vh,32px) + 65px);right:max(7vw,28px)}.cake-wish{z-index:3;width:min(420px,44vw);position:absolute;bottom:calc(max(7vh,32px) + 78px);right:max(7vw,28px)}.cake-wish[hidden]{display:none}.cake-wish label{color:var(--mist);margin-bottom:9px;font-size:.88rem;display:block}.cake-wish__row{gap:9px;display:flex}.cake-wish input{border:1px solid var(--line);border-radius:var(--radius);min-width:0;min-height:44px;color:var(--paper);background:#051425d1;outline:none;flex:1;padding:0 13px}.cake-wish input::placeholder{color:#d0deec85}.cake-wish input:focus{border-color:var(--signal);box-shadow:0 0 0 3px #f0c97524}.cake-wish button{border-radius:var(--radius);color:#fae2a9;cursor:pointer;background:0 0;border:1px solid #f7da99d1;min-height:44px;padding:0 15px;font-weight:700}.cake-wish button:active{transform:scale(.98)}.cake-wish p{color:#d2e6f2b8;min-height:1.3em;margin:7px 0 0;font-size:.8rem}.candle-button:disabled{cursor:not-allowed;color:#d0deeca8;background:#22313ed1;border-color:#cee5f442;transform:none}.wish-wall{background:radial-gradient(circle at 50% 42%,#3f332370 0%,#0000 65%);overflow:hidden}.wish-wall__header{z-index:2;text-align:center;padding:clamp(36px,8vh,86px) max(7vw,28px) 0;position:relative}.wish-wall__header p{color:var(--signal);margin:0 0 12px;font-size:clamp(.9rem,1.7vw,1.08rem)}.wish-wall__header h2{color:var(--paper);letter-spacing:-.075em;margin:0;font-size:clamp(2.3rem,6.5vw,5.8rem);font-weight:650;line-height:1.06}.wish-wall__header h2 span{color:#f7d68e}.danmaku{z-index:1;pointer-events:none;position:absolute;inset:clamp(220px,29vh,310px) 0 clamp(150px,19vh,200px);overflow:hidden}.danmaku__item{width:max-content;color:var(--color,#e6f3ff);text-shadow:0 1px 18px #06111fcc;white-space:nowrap;animation:fly var(--duration,13s) linear var(--delay,0s) both;font-weight:600;position:absolute;left:100%}.danmaku__item:nth-child(3n){font-weight:500}.danmaku__item:nth-child(4n){color:#f8d49d}.danmaku__item:nth-child(5n){color:#e6e1bf}.blessing-form{z-index:3;width:min(100% - 40px,640px);position:absolute;bottom:clamp(28px,7vh,72px);right:50%;transform:translate(50%)}.blessing-form p{color:#d2e6f2b8;min-height:1.4em;margin:8px 0 0;font-size:.86rem}.blessing-form button{background:var(--signal);color:#102336;border-color:var(--signal)}@keyframes blink{50%{opacity:0}}@keyframes form-rise{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}@keyframes fly{0%{transform:translate(0)}to{transform:translate(-132vw)}}@media (width<=720px){.opening{align-content:end;padding:12vh 28px 15vh}.opening__typing{font-size:clamp(2.9rem,11.5vw,4.6rem)}.opening__hint{max-width:15rem;bottom:28px;right:28px}.name-form__row,.blessing-form__row,.cake-wish__row{flex-direction:column}.name-form button,.blessing-form button,.cake-wish button{width:100%}.cake-copy{top:52px;left:28px}.cake-copy h2{font-size:clamp(2.2rem,12vw,3.8rem)}.cake-world{width:100vw;height:56vh;margin-top:19vh}.cake-wish{width:calc(100% - 56px);bottom:104px;right:28px}.candle-button{bottom:28px;right:28px}.cake-status{bottom:92px;right:28px}.wish-wall__header{padding-top:74px}.blessing-form{bottom:28px}.danmaku__item{font-size:.9rem!important}.music-toggle{min-height:40px;padding:0 12px;top:14px;left:14px}.music-panel{width:calc(100vw - 28px);top:62px;left:14px}.music-panel iframe{height:360px}.stage,.opening{min-height:100svh}.opening__copy{width:100%}.opening__type-wrap{min-height:48vw}.opening__typing{letter-spacing:-.065em;overflow-wrap:anywhere;word-break:normal;max-width:100%;font-size:clamp(2.55rem,10.5vw,3.45rem);line-height:1.08;display:block}.name-form{width:100%;margin-top:32px}.cake-stage{flex-direction:column;justify-content:flex-start;align-items:stretch;gap:14px;min-height:100svh;padding:30px 20px 24px;display:flex;overflow-y:auto}.cake-copy{pointer-events:auto;width:100%;position:relative;top:auto;left:auto}.cake-copy h2{max-width:10ch;font-size:clamp(2.2rem,10.8vw,3.2rem);line-height:1.08}.cake-copy p:not(.cake-copy__eyebrow){max-width:32ch;font-size:.95rem}.cake-world{flex:none;width:100%;height:clamp(250px,36svh,360px);min-height:250px;margin:0}.cake-world canvas{touch-action:manipulation}.cake-wish,.candle-button{width:100%;margin:0;position:relative;bottom:auto;right:auto}.cake-status{text-align:center;width:100%;margin:0;position:relative;bottom:auto;right:auto}.wish-wall{grid-template-rows:auto minmax(270px,1fr) auto;min-height:100svh;padding:0 20px 24px;display:grid;overflow:hidden}.wish-wall__header{text-align:left;padding:48px 0 18px}.wish-wall__header h2{max-width:10ch;font-size:clamp(2.2rem,10.8vw,3.25rem);line-height:1.09}.danmaku{min-height:270px;position:relative;inset:auto}.blessing-form{width:100%;margin:0;position:relative;bottom:auto;right:auto;transform:none}}@media (width<=380px){.opening{padding-left:20px;padding-right:20px}.opening__typing{font-size:2.45rem}.cake-stage,.wish-wall{padding-left:16px;padding-right:16px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}