:root{--bg:#fafaf8;--text:#3a3a3a;--accent:#a0897c;--accent-light:#f5eeea;--border:#ece8e4;--muted:#999;--muted-light:#bbb;--muted-mid:#ccc;--white:#fff;--radius:14px;--radius-sm:10px;--shadow:0 2px 12px #0000000a;--shadow-hover:0 4px 20px #00000012;--transition:.25s ease}*{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:16px}body{background-color:var(--bg);color:var(--text);min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,PingFang SC,Microsoft YaHei,Helvetica Neue,sans-serif;line-height:1.7}h1,h2,h3,h4,h5,h6{color:var(--text);font-family:Noto Serif SC,Source Han Serif SC,Songti SC,Georgia,Times New Roman,serif;font-weight:600;line-height:1.4}h1{font-size:1.75rem}h2{font-size:1.4rem}h3{font-size:1.15rem}a{color:var(--accent);transition:color var(--transition);text-decoration:none}a:hover{color:var(--text)}img{max-width:100%;display:block}.container{max-width:720px;margin:0 auto;padding:0 20px}.card{background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow);transition:box-shadow var(--transition), transform var(--transition);padding:24px}.card:hover{box-shadow:var(--shadow-hover);transform:translateY(-1px)}.btn-primary{background:var(--text);color:var(--white);border-radius:var(--radius-sm);cursor:pointer;transition:background var(--transition), transform var(--transition);border:none;justify-content:center;align-items:center;gap:8px;padding:10px 28px;font-size:.95rem;font-weight:500;display:inline-flex}.btn-primary:hover{background:#2a2a2a;transform:translateY(-1px)}.btn-primary:active{transform:translateY(0)}.btn-ghost{color:var(--text);border:1.5px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;transition:border-color var(--transition), color var(--transition), background var(--transition), transform var(--transition);background:0 0;justify-content:center;align-items:center;gap:8px;padding:10px 28px;font-size:.95rem;font-weight:500;display:inline-flex}.btn-ghost:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-light);transform:translateY(-1px)}.btn-ghost:active{transform:translateY(0)}.input{background:var(--white);border:1.5px solid var(--border);border-radius:var(--radius-sm);width:100%;color:var(--text);transition:border-color var(--transition), box-shadow var(--transition);outline:none;padding:10px 16px;font-size:.95rem}.input::placeholder{color:var(--muted-light)}.input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #a0897c1a}textarea.input{resize:vertical;min-height:100px}.countdown-banner{border-radius:var(--radius);text-align:center;background:linear-gradient(135deg,#faf7f5 0%,#f5eeea 100%);padding:28px 24px}.countdown-banner h2{margin-bottom:4px;font-size:1.3rem}.countdown-banner p{color:var(--muted);font-size:.9rem}.countdown-digits{justify-content:center;gap:16px;margin-top:16px;display:flex}.countdown-digit{color:var(--accent);font-family:Noto Serif SC,Source Han Serif SC,Songti SC,Georgia,Times New Roman,serif;font-size:2rem;font-weight:700;line-height:1}.countdown-label{color:var(--muted);margin-top:2px;font-size:.75rem}.diary-card{background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow);transition:box-shadow var(--transition);padding:20px}.diary-card:hover{box-shadow:var(--shadow-hover)}.diary-card .diary-date{color:var(--muted-mid);margin-bottom:6px;font-size:.8rem}.diary-card .diary-title{margin-bottom:8px;font-size:1.05rem;font-weight:600}.diary-card .diary-excerpt{color:var(--muted);font-size:.9rem;line-height:1.6}.diary-grid{grid-template-columns:1fr 1fr;gap:16px;display:grid}.milestone-item{align-items:flex-start;gap:14px;padding:16px 0;display:flex}.milestone-item+.milestone-item{border-top:1px solid var(--border)}.milestone-dot{background:var(--accent);border-radius:50%;flex-shrink:0;width:10px;height:10px;margin-top:6px}.milestone-content h4{margin-bottom:2px;font-size:.95rem}.milestone-content p{color:var(--muted);font-size:.82rem}.milestone-grid{grid-template-columns:1fr 1fr;gap:0 24px;display:grid}.photo-grid{grid-template-columns:1fr 1fr 1fr;gap:12px;display:grid}.photo-grid img{aspect-ratio:1;object-fit:cover;border-radius:var(--radius-sm);width:100%;transition:transform var(--transition);cursor:pointer}.photo-grid img:hover{transform:scale(1.02)}.wish-item{align-items:center;gap:12px;padding:12px 0;display:flex}.wish-item+.wish-item{border-top:1px solid var(--border)}.wish-checkbox{border:2px solid var(--border);cursor:pointer;width:22px;height:22px;transition:border-color var(--transition), background var(--transition);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;display:flex}.wish-checkbox:hover{border-color:var(--accent)}.wish-checkbox.checked{background:var(--accent);border-color:var(--accent)}.wish-checkbox.checked:after{content:"";border:solid var(--white);border-width:0 2px 2px 0;width:6px;height:10px;display:block;transform:rotate(45deg)translateY(-1px)}.wish-label{flex:1;font-size:.95rem}.wish-label.done{color:var(--muted-light);text-decoration:line-through}.bottom-nav{padding:12px 20px;padding-bottom:max(12px, env(safe-area-inset-bottom));background:var(--white);border-top:1px solid var(--border);z-index:100;justify-content:center;gap:40px;display:flex;position:fixed;bottom:0;left:0;right:0}.bottom-nav a{color:var(--muted);transition:color var(--transition);flex-direction:column;align-items:center;gap:2px;font-size:.7rem;display:flex}.bottom-nav a.active{color:var(--accent)}.bottom-nav a svg{width:22px;height:22px}.header{text-align:center;padding:40px 20px 24px}.header h1{letter-spacing:.06em;margin-bottom:4px;font-size:1.8rem}.header .subtitle{color:var(--muted);margin-bottom:16px;font-size:.85rem}.header .divider{background:var(--accent);border-radius:1px;width:40px;height:2px;margin:0 auto}.badge-row{flex-wrap:wrap;justify-content:center;gap:8px;margin-bottom:24px;padding:0 20px;display:flex}.badge{background:var(--white);border:1px solid var(--border);color:var(--muted);cursor:pointer;transition:all var(--transition);border-radius:50px;padding:6px 18px;font-size:.82rem;display:inline-block}.badge:hover{border-color:var(--accent);color:var(--accent)}.badge.active{background:var(--accent-light);border-color:var(--accent);color:var(--accent);font-weight:500}.heart-icon{color:#d48b8b}.accent-text{color:var(--accent)}.muted-text{color:var(--muted)}.section-title{align-items:center;gap:8px;margin-bottom:16px;font-size:1.15rem;display:flex}.spacer{height:80px}.fade-in{animation:.5s both fadeIn}@keyframes fadeIn{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@media (max-width:600px){.container{padding:0 16px}h1{font-size:1.5rem}h2{font-size:1.25rem}h3{font-size:1.05rem}.diary-grid{grid-template-columns:1fr;gap:12px}.photo-grid{grid-template-columns:1fr 1fr;gap:8px}.milestone-grid{grid-template-columns:1fr;column-gap:0}.countdown-banner{padding:24px 16px}.countdown-digits{gap:10px}.countdown-digit{font-size:1.5rem}.header{padding:32px 16px 20px}.header h1{font-size:1.5rem}.card{border-radius:var(--radius-sm);padding:18px}.bottom-nav{padding:10px 16px;padding-bottom:max(10px, env(safe-area-inset-bottom));gap:32px}.btn-primary,.btn-ghost{padding:10px 24px;font-size:.9rem}}