.app-root{max-width:500px;margin:0 auto;position:relative}:root{--color-primary: #007AFF;--color-primary-light: rgba(0, 122, 255, .12);--color-success: #34C759;--color-warning: #FF9500;--color-danger: #FF3B30;--color-bg: #F2F2F7;--color-surface: #FFFFFF;--color-text: #1C1C1E;--color-text-secondary: #8E8E93;--color-text-tertiary: #AEAEB2;--color-separator: rgba(60, 60, 67, .12);--color-fill: rgba(120, 120, 128, .12);--radius-sm: 10px;--radius-md: 14px;--radius-lg: 20px;--shadow-card: 0 1px 3px rgba(0,0,0,.04), 0 1px 2px rgba(0,0,0,.06);--shadow-float: 0 4px 16px rgba(0,0,0,.12);--tab-height: 56px;--safe-top: env(safe-area-inset-top, 0px);--safe-bottom: env(safe-area-inset-bottom, 0px)}*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}html{font-size:16px;-webkit-text-size-adjust:100%}body{font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,SF Pro Display,Helvetica Neue,sans-serif;background:var(--color-bg);color:var(--color-text);line-height:1.47;-webkit-font-smoothing:antialiased;overscroll-behavior:none}#app{min-height:100vh;min-height:100dvh}.page{padding-top:calc(var(--safe-top) + 44px);padding-bottom:calc(var(--tab-height) + var(--safe-bottom) + 16px);min-height:100vh;min-height:100dvh}.page-header{position:fixed;top:0;left:0;right:0;z-index:100;padding-top:var(--safe-top);background:#f2f2f7b8;-webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px);border-bottom:.5px solid var(--color-separator)}.page-header-inner{height:44px;display:flex;align-items:center;justify-content:center;padding:0 16px;position:relative}.page-title{font-size:17px;font-weight:600;letter-spacing:-.4px}.page-header-left,.page-header-right{position:absolute;top:50%;transform:translateY(-50%)}.page-header-left{left:16px}.page-header-right{right:16px}.page-title-large{padding:8px 20px 12px;font-size:34px;font-weight:700;letter-spacing:.37px}.card{background:var(--color-surface);border-radius:var(--radius-md);padding:16px;box-shadow:var(--shadow-card);margin-bottom:12px}.card-title{font-size:13px;font-weight:600;color:var(--color-text-secondary);text-transform:uppercase;letter-spacing:.5px;margin-bottom:12px;padding:0 4px}.grouped-list{background:var(--color-surface);border-radius:var(--radius-md);overflow:hidden;margin-bottom:12px;box-shadow:var(--shadow-card)}.grouped-list-item{display:flex;align-items:center;padding:12px 16px;min-height:44px;position:relative;cursor:pointer;transition:background .15s}.grouped-list-item:active{background:var(--color-fill)}.grouped-list-item+.grouped-list-item:before{content:"";position:absolute;top:0;left:16px;right:0;height:.5px;background:var(--color-separator)}.grouped-list-item .item-icon{width:29px;height:29px;border-radius:7px;display:flex;align-items:center;justify-content:center;margin-right:12px;font-size:16px;flex-shrink:0}.grouped-list-item .item-content{flex:1;min-width:0}.grouped-list-item .item-label{font-size:17px;line-height:22px}.grouped-list-item .item-desc{font-size:13px;color:var(--color-text-secondary);margin-top:2px}.grouped-list-item .item-value{font-size:17px;color:var(--color-text-secondary);margin-left:8px;flex-shrink:0}.grouped-list-item .item-arrow{margin-left:4px;color:var(--color-text-tertiary);font-size:14px;flex-shrink:0}.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.stat-card{background:var(--color-surface);border-radius:var(--radius-md);padding:16px;box-shadow:var(--shadow-card)}.stat-value{font-size:28px;font-weight:700;letter-spacing:-.5px;line-height:1.15;color:var(--color-text)}.stat-value .unit{font-size:14px;font-weight:500;color:var(--color-text-secondary);margin-left:2px}.stat-label{font-size:13px;color:var(--color-text-secondary);margin-top:4px}.form-group{margin-bottom:20px}.form-label{display:block;font-size:13px;font-weight:600;color:var(--color-text-secondary);text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px;padding:0 4px}.form-input{width:100%;height:44px;padding:0 16px;font-size:17px;font-family:inherit;border:none;border-radius:var(--radius-sm);background:var(--color-fill);color:var(--color-text);outline:none;-webkit-appearance:none;-moz-appearance:none;appearance:none;transition:box-shadow .2s}.form-input:focus{box-shadow:0 0 0 4px var(--color-primary-light)}.form-input::placeholder{color:var(--color-text-tertiary)}select.form-input{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1.41 0L6 4.58 10.59 0 12 1.41l-6 6-6-6z' fill='%238E8E93'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center;padding-right:40px}textarea.form-input{height:auto;min-height:88px;padding:12px 16px;resize:vertical;line-height:1.47}.ios-toggle{position:relative;width:51px;height:31px;flex-shrink:0}.ios-toggle input{opacity:0;width:0;height:0;position:absolute}.ios-toggle .slider{position:absolute;top:0;right:0;bottom:0;left:0;background:#78788029;border-radius:16px;transition:background .3s;cursor:pointer}.ios-toggle .slider:before{content:"";position:absolute;width:27px;height:27px;left:2px;bottom:2px;background:#fff;border-radius:50%;box-shadow:0 1px 3px #00000026,0 1px 1px #0000000f;transition:transform .3s}.ios-toggle input:checked+.slider{background:var(--color-success)}.ios-toggle input:checked+.slider:before{transform:translate(20px)}.btn{display:flex;align-items:center;justify-content:center;height:50px;padding:0 24px;font-size:17px;font-weight:600;font-family:inherit;border:none;border-radius:var(--radius-md);cursor:pointer;transition:opacity .15s,transform .1s;-webkit-appearance:none}.btn:active{transform:scale(.98);opacity:.8}.btn-primary{background:var(--color-primary);color:#fff}.btn-danger{background:var(--color-danger);color:#fff}.btn-ghost{background:var(--color-primary-light);color:var(--color-primary)}.btn-block{width:100%}.badge{display:inline-flex;align-items:center;height:20px;padding:0 8px;font-size:12px;font-weight:600;border-radius:10px}.badge-primary{background:var(--color-primary-light);color:var(--color-primary)}.badge-success{background:#34c7591f;color:var(--color-success)}.badge-warning{background:#ff95001f;color:var(--color-warning)}.badge-danger{background:#ff3b301f;color:var(--color-danger)}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 32px;text-align:center}.empty-state-icon{font-size:48px;margin-bottom:16px;opacity:.4}.empty-state-title{font-size:20px;font-weight:600;margin-bottom:8px}.empty-state-desc{font-size:15px;color:var(--color-text-secondary);line-height:1.5}.tab-bar{position:fixed;bottom:0;left:0;right:0;z-index:100;background:#f9f9f9f0;-webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px);border-top:.5px solid var(--color-separator);padding-bottom:var(--safe-bottom)}.tab-bar-inner{display:flex;height:var(--tab-height)}.tab-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;color:var(--color-text-tertiary);text-decoration:none;transition:color .2s;-webkit-tap-highlight-color:transparent}.tab-item.active{color:var(--color-primary)}.tab-item-icon{font-size:24px;line-height:1;height:24px}.tab-item-label{font-size:10px;font-weight:500}.action-sheet-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:200;background:#0000004d;display:flex;align-items:flex-end;justify-content:center;animation:fadeIn .2s ease}.action-sheet{width:100%;max-width:500px;background:var(--color-bg);border-radius:var(--radius-lg) var(--radius-lg) 0 0;padding:8px;padding-bottom:calc(8px + var(--safe-bottom));animation:slideUp .3s cubic-bezier(.2,.9,.3,1)}.action-sheet-item{display:flex;align-items:center;justify-content:center;height:57px;font-size:20px;background:var(--color-surface);border-radius:var(--radius-md);margin-bottom:1px;cursor:pointer;transition:opacity .15s;font-weight:400;color:var(--color-primary)}.action-sheet-item:active{opacity:.7}.action-sheet-item.danger{color:var(--color-danger)}.action-sheet-cancel{margin-top:8px;font-weight:600}.alert-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:300;background:#0000004d;display:flex;align-items:center;justify-content:center;padding:32px;animation:fadeIn .2s ease}.alert-box{background:#fffffff2;-webkit-backdrop-filter:blur(40px);backdrop-filter:blur(40px);border-radius:14px;width:100%;max-width:270px;text-align:center;overflow:hidden}.alert-body{padding:20px 16px}.alert-title{font-size:17px;font-weight:600;margin-bottom:4px}.alert-message{font-size:13px;color:var(--color-text-secondary);line-height:1.4}.alert-actions{display:flex;border-top:.5px solid var(--color-separator)}.alert-btn{flex:1;height:44px;display:flex;align-items:center;justify-content:center;font-size:17px;font-family:inherit;background:none;border:none;cursor:pointer;color:var(--color-primary);transition:background .15s}.alert-btn:active{background:var(--color-fill)}.alert-btn+.alert-btn{border-left:.5px solid var(--color-separator)}.alert-btn.bold{font-weight:600}.alert-btn.danger{color:var(--color-danger)}.vehicle-switcher{display:flex;align-items:center;gap:8px;padding:6px 14px;background:var(--color-fill);border-radius:20px;font-size:15px;font-weight:500;cursor:pointer;transition:opacity .15s}.vehicle-switcher:active{opacity:.7}.fab{position:fixed;right:20px;bottom:calc(var(--tab-height) + var(--safe-bottom) + 20px);width:56px;height:56px;border-radius:28px;background:var(--color-primary);color:#fff;border:none;font-size:28px;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px #007aff66;cursor:pointer;transition:transform .15s,box-shadow .15s;z-index:50}.fab:active{transform:scale(.92);box-shadow:0 2px 8px #007aff4d}.page-enter-active{transition:opacity .25s ease,transform .25s cubic-bezier(.2,.9,.3,1)}.page-leave-active{transition:opacity .2s ease}.page-enter-from{opacity:0;transform:translateY(12px)}.page-leave-to{opacity:0}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}::-webkit-scrollbar{display:none}body{scrollbar-width:none}.text-center{text-align:center}.text-primary{color:var(--color-primary)}.text-danger{color:var(--color-danger)}.text-secondary{color:var(--color-text-secondary)}.mt-8{margin-top:8px}.mt-12{margin-top:12px}.mt-16{margin-top:16px}.mt-20{margin-top:20px}.mb-12{margin-bottom:12px}.px-16{padding-left:16px;padding-right:16px}.px-20{padding-left:20px;padding-right:20px}.section-title{font-size:22px;font-weight:700;letter-spacing:.35px;padding:20px 20px 12px}.record-item{display:flex;align-items:center;padding:12px 16px;position:relative}.record-item+.record-item:before{content:"";position:absolute;top:0;left:56px;right:0;height:.5px;background:var(--color-separator)}.record-icon{width:36px;height:36px;border-radius:10px;background:var(--color-primary-light);display:flex;align-items:center;justify-content:center;font-size:18px;margin-right:12px;flex-shrink:0}.record-info{flex:1;min-width:0}.record-info .title{font-size:16px;font-weight:500;line-height:20px}.record-info .subtitle{font-size:13px;color:var(--color-text-secondary);margin-top:2px}.record-meta{text-align:right;flex-shrink:0;margin-left:12px}.record-meta .amount{font-size:16px;font-weight:600}.record-meta .consumption{font-size:13px;color:var(--color-text-secondary);margin-top:2px}.chart-container{position:relative;width:100%;height:200px}