*{margin:0;padding:0;box-sizing:border-box}body{font-family:Segoe UI,Microsoft YaHei,sans-serif;background:linear-gradient(135deg,#ffd6e7,#c1e3ff,#ffeff7);color:#5a2a5c;min-height:100vh;overflow-x:hidden;position:relative;background-attachment:fixed}#app{min-height:100vh}.container{max-width:1000px;margin:0 auto;padding:20px;position:relative;z-index:10}header{text-align:center;padding:40px 0;animation:fadeIn 2s}h1{font-size:4.5rem;margin-bottom:10px;color:#d42f8e;text-shadow:0 0 20px rgba(255,105,180,.7);font-weight:800;letter-spacing:3px;font-family:Brush Script MT,cursive}.subtitle{font-size:2rem;margin-top:-10px;color:#e84393;font-style:italic;text-shadow:0 0 10px rgba(255,255,255,.8)}.heart-section{display:flex;justify-content:center;margin:40px 0;position:relative}.pulse-heart{font-size:8rem;color:#ff69b4;animation:pulse 1.5s infinite;text-shadow:0 0 30px rgba(255,0,128,.8);z-index:5;cursor:pointer}.hearts-container{position:absolute;width:100%;height:100%;top:0;left:0;pointer-events:none}.floating-heart{position:absolute;color:#ff69b4b3;font-size:1.5rem;animation:float 8s linear infinite}.love-letter{background:#ffffffe6;border-radius:20px;padding:40px;margin:40px 0;box-shadow:0 10px 40px #d42f8e40;position:relative;overflow:hidden;border:3px solid rgba(255,182,193,.5);-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.love-letter:before{content:"";position:absolute;top:-10px;left:50%;transform:translate(-50%);width:120px;height:25px;background:#ff69b4;border-radius:15px;box-shadow:0 5px 15px #0000001a}.letter-content{font-size:1.3rem;line-height:1.9;text-align:justify;font-family:Georgia,serif}.letter-content p{margin-bottom:20px;text-indent:2em}.signature{text-align:right;margin-top:30px;font-style:italic;font-weight:700;font-size:1.7rem;color:#d42f8e;font-family:Dancing Script,cursive}.memories{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:30px;margin:50px 0}.memory-card{background:#fffffff2;border-radius:15px;padding:25px;text-align:center;box-shadow:0 8px 25px #d42f8e33;transition:all .4s ease;border-top:5px solid #ff69b4;position:relative;overflow:hidden}.memory-card:hover{transform:translateY(-10px) scale(1.03);box-shadow:0 15px 40px #d42f8e59}.memory-card i{font-size:3.5rem;color:#d42f8e;margin-bottom:15px;text-shadow:0 0 10px rgba(255,182,193,.7)}.memory-card h3{color:#e84393;margin-bottom:15px;font-size:1.8rem}.memory-card p{font-size:1.2rem;line-height:1.6;color:#5a2a5c}.gallery-header{text-align:center;margin:60px 0 30px;animation:fadeIn 1.5s ease-in}.gallery-title{font-size:2.5rem;color:#d42f8e;margin-bottom:10px;text-shadow:0 0 15px rgba(255,105,180,.5)}.gallery-title i{margin-right:10px}.gallery-subtitle{font-size:1.2rem;color:#e84393;font-style:italic}.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px;margin:50px 0;padding:0 10px}.gallery-item{width:100%;aspect-ratio:3 / 4;min-height:350px;max-height:500px;border-radius:20px;overflow:hidden;position:relative;box-shadow:0 10px 30px #d42f8e33;transition:all .4s cubic-bezier(.4,0,.2,1);cursor:pointer;background-size:cover;background-position:center;background-repeat:no-repeat;background-color:#ffb6c14d;display:flex;flex-direction:column;border:2px solid rgba(255,255,255,.5)}.gallery-item.loading{background:linear-gradient(135deg,#ffb6c133,#ff69b44d,#ffb6c133);background-size:200% 200%;animation:loading 2s ease-in-out infinite}@keyframes loading{0%{background-position:0% 50%}50%{background-position:100% 50%}to{background-position:0% 50%}}.gallery-item.thumbLoaded{opacity:0;animation:fadeInImage .4s ease-out forwards;filter:blur(5px);transition:filter .5s ease-out}.gallery-item.loaded{filter:blur(0)!important;opacity:1}@keyframes fadeInImage{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.gallery-item:hover{transform:translateY(-8px) scale(1.02);box-shadow:0 20px 50px #d42f8e59}.gallery-item:before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(180deg,transparent 0%,rgba(212,47,142,.1) 100%);opacity:0;transition:opacity .4s ease;z-index:1}.gallery-item:hover:before{opacity:1}.gallery-item:after{content:"♥";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) scale(0);font-size:5rem;color:#fff;text-shadow:0 0 20px rgba(212,47,142,.8);opacity:0;transition:all .4s cubic-bezier(.68,-.55,.265,1.55);z-index:2;pointer-events:none}.gallery-item:hover:after{opacity:1;transform:translate(-50%,-50%) scale(1)}.gallery-item .image-info{position:absolute;bottom:0;left:0;right:0;padding:20px;background:linear-gradient(180deg,transparent 0%,rgba(0,0,0,.6) 100%);color:#fff;transform:translateY(100%);transition:transform .4s ease;z-index:3}.gallery-item:hover .image-info{transform:translateY(0)}.load-more{text-align:center;margin:30px 0}.load-more button{background:linear-gradient(135deg,#ff69b4,#d42f8e);color:#fff;border:none;padding:15px 40px;border-radius:30px;font-size:1.1rem;cursor:pointer;transition:all .3s;box-shadow:0 5px 15px #d42f8e66}.load-more button:hover{transform:translateY(-3px);box-shadow:0 8px 20px #d42f8e99}footer{text-align:center;padding:40px 0;font-size:1.3rem;color:#d42f8e;font-weight:600;text-shadow:0 0 10px rgba(255,255,255,.8);position:relative}.footer-link{margin-top:30px;padding-top:20px;border-top:1px solid rgba(212,47,142,.2);text-align:center}.footer-link a{color:#d42f8e;text-decoration:none;font-size:.9rem;opacity:.8;transition:opacity .3s ease}.footer-link a:hover{opacity:1}.music-player{margin:30px auto;width:350px;text-align:center;background:#fffffff2;padding:25px;border-radius:20px;box-shadow:0 10px 30px #d42f8e40}.player-title{color:#d42f8e;margin-bottom:20px;font-size:1.8rem;display:flex;align-items:center;justify-content:center;gap:10px}.player-controls{display:flex;justify-content:center;gap:20px;margin-top:15px}.player-controls button{background:linear-gradient(135deg,#ff69b4,#d42f8e);color:#fff;border:none;width:60px;height:60px;border-radius:50%;font-size:1.5rem;cursor:pointer;transition:all .3s;box-shadow:0 5px 15px #d42f8e66}.player-controls button:hover{transform:scale(1.1);box-shadow:0 8px 20px #d42f8e99}#petals-container,#stars-container{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:1}.petal{position:absolute;background:linear-gradient(135deg,#ffb6c1,#ff69b4);border-radius:50% 0 50% 50%;opacity:.7;z-index:1;animation:fall linear infinite}@keyframes fall{to{transform:translateY(100vh) rotate(360deg);opacity:0}}.star{position:absolute;background-color:#fff;border-radius:50%;animation:twinkle linear infinite}@keyframes twinkle{0%,to{opacity:.3}50%{opacity:1}}@keyframes pulse{0%{transform:scale(1)}50%{transform:scale(1.15)}to{transform:scale(1)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes float{0%{transform:translateY(0) translate(0) rotate(0);opacity:0}10%{opacity:1}90%{opacity:1}to{transform:translateY(-100px) translate(20px) rotate(360deg);opacity:0}}@media (max-width: 1200px){.gallery{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:18px}}@media (max-width: 1024px){.gallery{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:15px}.gallery-item{min-height:320px;max-height:450px}}@media (max-width: 768px){h1{font-size:3.2rem}.subtitle{font-size:1.5rem}.pulse-heart{font-size:6rem}.gallery-header{margin:40px 0 20px}.gallery-title{font-size:2rem}.gallery-subtitle{font-size:1rem}.gallery{grid-template-columns:repeat(2,1fr);gap:12px;padding:0 5px}.gallery-item{min-height:280px;max-height:380px;border-radius:15px}.letter-content{font-size:1.1rem}.music-player{width:90%}}@media (max-width: 480px){.gallery-header{margin:30px 0 15px}.gallery-title{font-size:1.8rem}.gallery-subtitle{font-size:.9rem}.gallery{grid-template-columns:1fr;gap:15px;padding:0 10px}.gallery-item{min-height:450px;max-height:550px;border-radius:15px}}