:root{--primary: #3b82f6;--primary-600: #2563eb;--primary-700: #1d4ed8;--primary-50: #eff6ff;--primary-100: #dbeafe;--text: #111827;--text-2: #4b5563;--text-3: #9ca3af;--text-inverse: #ffffff;--bg: #f3f4f6;--surface: #ffffff;--surface-2: #f9fafb;--border: #e5e7eb;--border-2: #d1d5db;--danger: #ef4444;--success: #10b981;--warning: #f59e0b;--sp-1: 4px;--sp-2: 8px;--sp-3: 12px;--sp-4: 16px;--sp-5: 20px;--sp-6: 24px;--sp-8: 32px;--fs-xs: 12px;--fs-sm: 13px;--fs-base: 15px;--fs-lg: 17px;--fs-xl: 20px;--fs-2xl: 24px;--radius-sm: 8px;--radius: 12px;--radius-lg: 16px;--radius-xl: 20px;--radius-full: 9999px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .04);--shadow: 0 2px 8px rgba(0, 0, 0, .06);--shadow-md: 0 4px 12px rgba(0, 0, 0, .08);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .12);--nav-h: 56px;--navbar-h: 48px;--safe-bottom: env(safe-area-inset-bottom, 0px);--safe-top: env(safe-area-inset-top, 0px);--ease: .2s cubic-bezier(.4, 0, .2, 1);--ease-bounce: .3s cubic-bezier(.34, 1.56, .64, 1)}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html{font-size:16px}body{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Helvetica Neue,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}#app{max-width:480px;margin:0 auto;min-height:100vh;background:var(--bg);position:relative;box-shadow:0 0 32px #00000014}button{font-family:inherit;cursor:pointer;border:none;outline:none;background:transparent}input,textarea{font-family:inherit;outline:none;border:none;background:transparent}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.page{padding:var(--sp-3) var(--sp-3) calc(var(--nav-h) + var(--safe-bottom) + var(--sp-5));min-height:100vh}.page-no-nav{padding-bottom:var(--sp-4)}.page-with-navbar{padding-top:calc(var(--navbar-h) + var(--safe-top))}.card{background:var(--surface);border-radius:var(--radius);padding:var(--sp-4);box-shadow:var(--shadow-sm);border:1px solid var(--border)}.card-flat{box-shadow:none;border:1px solid var(--border)}.card-press{transition:transform var(--ease),box-shadow var(--ease)}.card-press:active{transform:scale(.985)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--sp-1);font-weight:600;transition:all var(--ease)}.btn-primary{width:100%;height:48px;border-radius:var(--radius-full);background:var(--primary);color:var(--text-inverse);font-size:var(--fs-base);box-shadow:0 4px 12px #3b82f64d}.btn-primary:active{background:var(--primary-600);transform:translateY(1px)}.btn-primary:disabled{background:#bfdbfe;box-shadow:none;cursor:not-allowed}.btn-secondary{width:100%;height:44px;border-radius:var(--radius-full);background:var(--surface-2);color:var(--text-2);border:1px solid var(--border);font-size:var(--fs-base)}.btn-secondary:active{background:var(--border)}.btn-ghost{height:32px;padding:0 var(--sp-3);border-radius:var(--radius-full);background:transparent;color:var(--text-2);font-size:var(--fs-sm)}.btn-ghost:active{background:var(--surface-2)}.input,.textarea{width:100%;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:var(--sp-3) var(--sp-4);font-size:var(--fs-base);color:var(--text);transition:border-color var(--ease),box-shadow var(--ease)}.input:focus,.textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-100)}.input::placeholder,.textarea::placeholder{color:var(--text-3)}.textarea{resize:none;line-height:1.6}.avatar{flex-shrink:0;border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;font-weight:700;color:var(--primary-600);background:linear-gradient(135deg,var(--primary-50),#dbeafe);overflow:hidden}.avatar img{width:100%;height:100%;object-fit:cover}.avatar-sm{width:32px;height:32px;font-size:13px}.avatar-md{width:40px;height:40px;font-size:16px}.avatar-lg{width:56px;height:56px;font-size:22px}.avatar-xl{width:72px;height:72px;font-size:28px}.chip{flex:0 0 auto;padding:var(--sp-1) var(--sp-3);border-radius:var(--radius-full);background:var(--surface);color:var(--text-2);border:1px solid var(--border);font-size:var(--fs-sm);font-weight:500;transition:all var(--ease)}.chip.active{background:var(--primary);color:var(--text-inverse);border-color:var(--primary);box-shadow:0 2px 8px #3b82f640}.chip:active{transform:scale(.96)}.badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:6px;font-size:var(--fs-xs);font-weight:600;line-height:1.4}.navbar{position:fixed;top:0;left:50%;transform:translate(-50%);width:100%;max-width:480px;height:calc(var(--navbar-h) + var(--safe-top));padding-top:var(--safe-top);display:flex;align-items:center;justify-content:center;background:#ffffffeb;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--border);z-index:50;font-size:var(--fs-lg);font-weight:700}.navbar .back,.navbar .right{position:absolute;top:50%;transform:translateY(-50%);display:flex;align-items:center;justify-content:center;width:36px;height:36px;color:var(--text)}.navbar .back{left:8px}.navbar .right{right:8px}.navbar .title{max-width:60%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--sp-8) var(--sp-4);color:var(--text-3);text-align:center}.empty-state .icon{width:80px;height:80px;margin-bottom:var(--sp-3);opacity:.5}.empty-state .title{font-size:var(--fs-lg);font-weight:600;color:var(--text-2);margin-bottom:var(--sp-1)}.empty-state .desc{font-size:var(--fs-sm)}.spinner{width:22px;height:22px;border:2px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite;margin:var(--sp-4) auto}@keyframes spin{to{transform:rotate(360deg)}}.skeleton{background:linear-gradient(90deg,var(--surface-2) 25%,var(--border) 50%,var(--surface-2) 75%);background-size:200% 100%;animation:shimmer 1.2s infinite;border-radius:var(--radius-sm)}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.np-toast{position:fixed;left:50%;top:42%;transform:translate(-50%,-50%) scale(.92);background:#111827e6;color:#fff;padding:12px 22px;border-radius:var(--radius-full);font-size:var(--fs-sm);z-index:9999;opacity:0;transition:all .25s;max-width:76%;text-align:center;pointer-events:none;box-shadow:var(--shadow-lg)}.np-toast.show{opacity:1;transform:translate(-50%,-50%) scale(1)}.np-toast.error{background:#ef4444eb}.np-toast.success{background:#3b82f6eb}.text-primary{color:var(--primary)}.text-2{color:var(--text-2)}.text-3{color:var(--text-3)}.text-danger{color:var(--danger)}.bg-surface{background:var(--surface)}.bg-surface-2{background:var(--surface-2)}.line-clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.line-clamp-3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.divider{height:1px;background:var(--border);margin:var(--sp-3) 0}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}@media (min-width: 768px){.page{padding-left:var(--sp-4);padding-right:var(--sp-4)}}