:root{--primary: #ff7a59;--primary-dark: #f25c3a;--primary-soft: #fff1ec;--accent-1: #7c5cff;--accent-2: #ffb648;--accent-3: #4ad6c4;--accent-4: #ff5e8a;--text: #2b2438;--text-light: #7d7790;--bg: #fff8ee;--card-bg: #ffffff;--border: #ffe2d2;--shadow: 0 8px 0 #ffd9c8, 0 14px 24px rgba(255, 122, 89, .18);--shadow-sm: 0 4px 0 #ffe6da;--radius: 20px;--radius-lg: 28px;--max-width: 1200px}*{box-sizing:border-box}html,body{margin:0;padding:0;font-family:Quicksand,PingFang SC,Hiragino Sans GB,Microsoft YaHei,-apple-system,BlinkMacSystemFont,Segoe UI,Arial,sans-serif;color:var(--text);background:var(--bg);background-image:radial-gradient(rgba(255,122,89,.12) 2px,transparent 2px);background-size:22px 22px;-webkit-font-smoothing:antialiased;font-size:16px;font-weight:500}#app{min-height:100vh}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer}img{max-width:100%;display:block}.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 16px}.app-header{position:sticky;top:0;z-index:50;background:linear-gradient(135deg,#ff8a3d,#ff5e8a);box-shadow:0 4px #0000000f}.app-header__inner{display:flex;align-items:center;justify-content:space-between;height:60px;max-width:var(--max-width);margin:0 auto;padding:0 16px}.app-header__brand{font-weight:800;font-size:20px;color:#fff;display:flex;align-items:center;gap:10px;letter-spacing:.5px;text-shadow:0 2px 0 rgba(0,0,0,.12)}.app-header__brand .logo{width:38px;height:38px;background:#fff;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;color:var(--primary);font-size:20px;font-weight:800;box-shadow:0 3px #00000026;transform:rotate(-6deg)}.app-header__user{display:flex;align-items:center;gap:12px;font-size:14px;color:#fff}.app-header__user .hello{opacity:.95}.app-header__user .logout{border:none;background:#fff;border-radius:999px;padding:6px 14px;font-size:13px;font-weight:700;color:var(--primary);box-shadow:0 3px #00000026;transition:transform .15s}.app-header__user .logout:hover{transform:translateY(-1px)}.app-header__user .logout:active{transform:translateY(2px);box-shadow:0 1px #00000026}.btn-primary{background:linear-gradient(135deg,#ff8a3d,#ff5e8a);color:#fff;border:none;border-radius:999px;padding:14px 22px;font-size:15px;font-weight:800;letter-spacing:1px;width:100%;box-shadow:0 5px #d94a6a,0 10px 20px #ff5e8a59;transition:transform .15s,box-shadow .15s}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 7px #d94a6a,0 14px 24px #ff5e8a66}.btn-primary:active{transform:translateY(3px);box-shadow:0 2px #d94a6a}.btn-primary:disabled{background:#ffc8b4;box-shadow:0 5px #f0a890;cursor:not-allowed}.section-title{font-size:22px;font-weight:800;margin:0 0 18px;display:flex;align-items:center;gap:10px;color:var(--text)}.section-title:before{content:"";width:10px;height:22px;border-radius:6px;background:linear-gradient(180deg,#ff8a3d,#ff5e8a);display:inline-block;box-shadow:0 3px #ffd9c8}.tag{display:inline-block;background:var(--primary-soft);color:var(--primary-dark);font-size:12px;font-weight:700;padding:3px 10px;border-radius:999px;margin-right:6px;border:1.5px solid #ffd9c8}.tag:nth-child(2n){background:#f0ecff;color:#5a3fcc;border-color:#d6ccff}.tag:nth-child(3n){background:#e0fbf4;color:#1d9c87;border-color:#b8f0e3}.grid{display:grid;gap:16px}.grid--cards{grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}@media (max-width: 600px){.grid--cards{grid-template-columns:1fr}.section-title,.app-header__brand{font-size:18px}}