*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--primary: #2563eb;--primary-light: #dbeafe;--primary-dark: #1d4ed8;--success: #16a34a;--success-light: #dcfce7;--warning: #d97706;--warning-light: #fef3c7;--danger: #dc2626;--danger-light: #fee2e2;--gray-50: #f9fafb;--gray-100: #f3f4f6;--gray-200: #e5e7eb;--gray-300: #d1d5db;--gray-500: #6b7280;--gray-700: #374151;--gray-900: #111827;--text: #1f2937;--text-light: #6b7280;--bg: #f0f7ff;--card-bg: #ffffff;--radius: 16px;--radius-sm: 10px;--shadow: 0 2px 12px rgba(0,0,0,.08);--shadow-md: 0 4px 20px rgba(0,0,0,.12);--nav-height: 70px;--header-height: 60px;--font-size-base: 16px}html{font-size:var(--font-size-base);-webkit-text-size-adjust:100%}body{font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Segoe UI,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;min-height:100vh;overflow-x:hidden}#app{max-width:480px;margin:0 auto;min-height:100vh;position:relative;background:var(--bg)}.header{position:sticky;top:0;z-index:100;background:var(--card-bg);height:var(--header-height);display:flex;align-items:center;justify-content:space-between;padding:0 20px;box-shadow:0 1px 8px #00000014}.header-title{font-size:1.1rem;font-weight:700;color:var(--primary)}.header-right{display:flex;gap:8px;align-items:center}.main-content{padding:16px 16px calc(var(--nav-height) + 16px);min-height:calc(100vh - var(--header-height))}.bottom-nav{position:fixed;bottom:0;left:50%;transform:translate(-50%);width:100%;max-width:480px;height:var(--nav-height);background:var(--card-bg);display:flex;align-items:center;justify-content:space-around;box-shadow:0 -2px 12px #0000001a;z-index:100;padding-bottom:env(safe-area-inset-bottom,0px)}.nav-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;cursor:pointer;padding:8px 4px;border-radius:var(--radius-sm);transition:all .2s;border:none;background:none;color:var(--text-light);text-decoration:none;-webkit-tap-highlight-color:transparent}.nav-item.active{color:var(--primary)}.nav-item .nav-icon{font-size:1.5rem;line-height:1}.nav-item .nav-label{font-size:.65rem;font-weight:600;letter-spacing:.02em}.page{display:none}.page.active{display:block;animation:fadeIn .25s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.card{background:var(--card-bg);border-radius:var(--radius);padding:20px;margin-bottom:14px;box-shadow:var(--shadow)}.card-title{font-size:.85rem;font-weight:700;color:var(--text-light);text-transform:uppercase;letter-spacing:.05em;margin-bottom:12px}.greeting{font-size:1.35rem;font-weight:700;color:var(--gray-900);margin-bottom:4px}.greeting-sub{font-size:.9rem;color:var(--text-light);margin-bottom:16px}.stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:14px}.stat-card{background:var(--card-bg);border-radius:var(--radius);padding:18px 16px;box-shadow:var(--shadow);text-align:center;position:relative;overflow:hidden}.stat-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;border-radius:var(--radius) var(--radius) 0 0}.stat-card.recovery:before{background:var(--primary)}.stat-card.smoke:before{background:var(--success)}.stat-card.steps:before{background:var(--warning)}.stat-card.savings:before{background:#7c3aed}.stat-number{font-size:2.2rem;font-weight:800;line-height:1.1;margin-bottom:2px}.stat-card.recovery .stat-number{color:var(--primary)}.stat-card.smoke .stat-number{color:var(--success)}.stat-card.steps .stat-number{color:var(--warning)}.stat-card.savings .stat-number{color:#7c3aed}.stat-unit{font-size:.75rem;font-weight:600;color:var(--text-light)}.stat-label{font-size:.8rem;color:var(--text-light);margin-top:4px}.progress-wrap{margin-bottom:14px}.progress-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.progress-title{font-size:.9rem;font-weight:600;color:var(--gray-700)}.progress-pct{font-size:.85rem;font-weight:700;color:var(--primary)}.progress-bar{height:10px;background:var(--gray-200);border-radius:999px;overflow:hidden}.progress-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),#60a5fa);transition:width .8s ease}.task-list{display:flex;flex-direction:column;gap:10px}.task-item{display:flex;align-items:center;gap:12px;padding:14px;background:var(--gray-50);border-radius:var(--radius-sm);cursor:pointer;transition:all .2s;border:2px solid transparent}.task-item:active{transform:scale(.98)}.task-item.done{border-color:var(--success);background:var(--success-light)}.task-checkbox{width:24px;height:24px;border-radius:50%;border:2px solid var(--gray-300);display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .2s;font-size:.8rem}.task-item.done .task-checkbox{background:var(--success);border-color:var(--success);color:#fff}.task-info{flex:1}.task-name{font-size:.9rem;font-weight:600;color:var(--gray-700)}.task-item.done .task-name{text-decoration:line-through;color:var(--text-light)}.task-time{font-size:.75rem;color:var(--text-light);margin-top:1px}.task-badge{font-size:1.2rem}.tip-card{background:linear-gradient(135deg,#eff6ff,#dbeafe);border-radius:var(--radius);padding:16px;margin-bottom:14px;border-left:4px solid var(--primary)}.tip-label{font-size:.75rem;font-weight:700;color:var(--primary);text-transform:uppercase;letter-spacing:.05em;margin-bottom:6px}.tip-text{font-size:.9rem;color:var(--gray-700);line-height:1.5}.section-header{font-size:1.1rem;font-weight:700;color:var(--gray-900);margin-bottom:16px;display:flex;align-items:center;gap:8px}.exercise-list{display:flex;flex-direction:column;gap:12px}.exercise-card{background:var(--card-bg);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);cursor:pointer;transition:all .2s;border:2px solid transparent}.exercise-card:active{transform:scale(.98)}.exercise-card.expanded{border-color:var(--primary-light)}.exercise-header{display:flex;align-items:center;gap:12px}.exercise-icon{font-size:1.8rem;width:48px;height:48px;display:flex;align-items:center;justify-content:center;background:var(--primary-light);border-radius:var(--radius-sm);flex-shrink:0}.exercise-info{flex:1}.exercise-name{font-size:.95rem;font-weight:700;color:var(--gray-900)}.exercise-meta{font-size:.78rem;color:var(--text-light);margin-top:2px}.exercise-chevron{color:var(--text-light);font-size:.9rem;transition:transform .2s}.exercise-card.expanded .exercise-chevron{transform:rotate(90deg)}.exercise-detail{display:none;margin-top:14px;padding-top:14px;border-top:1px solid var(--gray-200)}.exercise-card.expanded .exercise-detail{display:block}.exercise-steps{list-style:none;display:flex;flex-direction:column;gap:8px}.exercise-steps li{display:flex;gap:10px;align-items:flex-start;font-size:.875rem;color:var(--gray-700);line-height:1.5}.exercise-steps li:before{content:attr(data-step);min-width:22px;height:22px;background:var(--primary);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.7rem;font-weight:700;flex-shrink:0;margin-top:1px}.exercise-warning{display:flex;align-items:flex-start;gap:8px;background:var(--warning-light);border-radius:var(--radius-sm);padding:10px 12px;margin-top:12px;font-size:.8rem;color:var(--warning);line-height:1.4}.faq-list{display:flex;flex-direction:column;gap:10px}.faq-item{background:var(--gray-50);border:1px solid var(--gray-100);border-radius:var(--radius-sm);padding:12px}.faq-q{font-size:.88rem;font-weight:700;color:var(--gray-900);margin-bottom:4px}.faq-a{font-size:.84rem;color:var(--gray-700);line-height:1.5}.exercise-done-btn{display:flex;align-items:center;justify-content:center;gap:6px;width:100%;padding:11px;border-radius:var(--radius-sm);border:none;background:var(--primary);color:#fff;font-size:.9rem;font-weight:600;cursor:pointer;margin-top:12px;transition:all .2s;-webkit-tap-highlight-color:transparent}.exercise-done-btn:active{transform:scale(.97);background:var(--primary-dark)}.exercise-done-btn.done{background:var(--success)}.phase-badge{display:inline-flex;align-items:center;gap:6px;background:var(--primary-light);color:var(--primary);border-radius:999px;padding:6px 14px;font-size:.82rem;font-weight:700;margin-bottom:16px}.smoke-hero{background:linear-gradient(135deg,#064e3b,#065f46);border-radius:var(--radius);padding:24px 20px;color:#fff;text-align:center;margin-bottom:14px;position:relative;overflow:hidden}.smoke-hero:before{content:"�uDDE8";position:absolute;top:-20px;right:-10px;font-size:8rem;opacity:.06}.smoke-hero-days{font-size:4rem;font-weight:900;line-height:1;margin:8px 0 4px}.smoke-hero-label{font-size:.95rem;opacity:.85;font-weight:500}.smoke-hero-since{font-size:.8rem;opacity:.65;margin-top:6px}.smoke-stats{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px;margin-bottom:14px}.smoke-stat{background:var(--card-bg);border-radius:var(--radius);padding:14px 10px;text-align:center;box-shadow:var(--shadow)}.smoke-stat-num{font-size:1.4rem;font-weight:800;color:var(--success)}.smoke-stat-unit{font-size:.65rem;color:var(--text-light);font-weight:600}.smoke-stat-label{font-size:.72rem;color:var(--text-light);margin-top:2px}.timeline{display:flex;flex-direction:column;gap:0;position:relative}.timeline:before{content:"";position:absolute;left:20px;top:20px;bottom:20px;width:2px;background:var(--gray-200)}.timeline-item{display:flex;gap:16px;align-items:flex-start;padding:12px 0;position:relative}.timeline-dot{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:1.1rem;position:relative;z-index:1}.timeline-dot.achieved{background:var(--success-light);border:2px solid var(--success)}.timeline-dot.upcoming{background:var(--gray-100);border:2px solid var(--gray-300)}.timeline-content{flex:1;padding-top:6px}.timeline-time{font-size:.75rem;font-weight:700;color:var(--text-light);text-transform:uppercase;letter-spacing:.04em}.timeline-event{font-size:.9rem;font-weight:600;color:var(--gray-900);margin-top:1px}.timeline-desc{font-size:.8rem;color:var(--text-light);margin-top:2px;line-height:1.4}.craving-btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:16px;border-radius:var(--radius);border:none;background:linear-gradient(135deg,#dc2626,#b91c1c);color:#fff;font-size:1rem;font-weight:700;cursor:pointer;margin-bottom:14px;box-shadow:0 4px 12px #dc26264d;transition:all .2s;-webkit-tap-highlight-color:transparent}.craving-btn:active{transform:scale(.97)}.craving-tips{display:none;flex-direction:column;gap:10px;animation:fadeIn .3s ease}.craving-tips.visible{display:flex}.craving-tip-item{display:flex;align-items:flex-start;gap:10px;background:var(--card-bg);border-radius:var(--radius-sm);padding:14px;box-shadow:var(--shadow)}.craving-tip-icon{font-size:1.4rem;flex-shrink:0}.craving-tip-text{font-size:.875rem;color:var(--gray-700);line-height:1.5}.setup-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:999px;border:2px solid var(--primary);background:transparent;color:var(--primary);font-size:.85rem;font-weight:600;cursor:pointer;transition:all .2s;-webkit-tap-highlight-color:transparent}.setup-btn:active{background:var(--primary-light)}.pain-scale{display:flex;gap:8px;justify-content:space-between;margin:12px 0}.pain-btn{flex:1;aspect-ratio:1;max-width:52px;border-radius:50%;border:2px solid var(--gray-200);background:var(--gray-50);font-size:.9rem;font-weight:700;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s;-webkit-tap-highlight-color:transparent}.pain-btn:hover,.pain-btn.selected{transform:scale(1.15);border-width:2.5px}.pain-btn[data-level="0"].selected{border-color:#16a34a;background:#dcfce7;color:#15803d}.pain-btn[data-level="1"].selected{border-color:#65a30d;background:#ecfccb;color:#4d7c0f}.pain-btn[data-level="2"].selected{border-color:#ca8a04;background:#fef9c3;color:#a16207}.pain-btn[data-level="3"].selected{border-color:#ea580c;background:#ffedd5;color:#c2410c}.pain-btn[data-level="4"].selected{border-color:#dc2626;background:#fee2e2;color:#b91c1c}.pain-labels{display:flex;justify-content:space-between;font-size:.7rem;color:var(--text-light);padding:0 2px}textarea.diary-note{width:100%;min-height:100px;border:2px solid var(--gray-200);border-radius:var(--radius-sm);padding:12px;font-size:.9rem;font-family:inherit;color:var(--text);resize:vertical;outline:none;transition:border-color .2s;background:var(--gray-50)}textarea.diary-note:focus{border-color:var(--primary);background:#fff}.save-btn{display:flex;align-items:center;justify-content:center;gap:6px;width:100%;padding:14px;border-radius:var(--radius-sm);border:none;background:var(--primary);color:#fff;font-size:.95rem;font-weight:600;cursor:pointer;margin-top:12px;transition:all .2s;-webkit-tap-highlight-color:transparent}.save-btn:active{transform:scale(.97);background:var(--primary-dark)}.diary-history{display:flex;flex-direction:column;gap:10px;margin-top:4px}.diary-entry{background:var(--gray-50);border-radius:var(--radius-sm);padding:12px;border-left:3px solid var(--primary)}.diary-entry-date{font-size:.75rem;color:var(--text-light);font-weight:600}.diary-entry-pain{display:inline-flex;align-items:center;gap:4px;background:var(--primary-light);color:var(--primary);border-radius:999px;padding:2px 8px;font-size:.75rem;font-weight:700;margin:4px 0}.diary-entry-note{font-size:.85rem;color:var(--gray-700);line-height:1.5;margin-top:4px}.diary-metrics{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}.diary-metrics span{font-size:.72rem;color:var(--gray-700);background:#fff;border:1px solid var(--gray-200);border-radius:999px;padding:2px 8px}.settings-section{background:var(--card-bg);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);margin-bottom:14px}.settings-section-title{font-size:.8rem;font-weight:700;color:var(--text-light);text-transform:uppercase;letter-spacing:.05em;padding:14px 18px 8px}.settings-item{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--gray-100);cursor:pointer;transition:background .15s;-webkit-tap-highlight-color:transparent}.settings-item:last-child{border-bottom:none}.settings-item:active{background:var(--gray-50)}.settings-item-left{display:flex;align-items:center;gap:12px}.settings-item-icon{width:36px;height:36px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:1.1rem}.settings-item-label{font-size:.9rem;font-weight:500;color:var(--gray-900)}.settings-item-value{font-size:.85rem;color:var(--text-light)}.toggle{position:relative;width:48px;height:26px}.toggle input{opacity:0;width:0;height:0;position:absolute}.toggle-slider{position:absolute;cursor:pointer;top:0;left:0;right:0;bottom:0;background:var(--gray-300);border-radius:999px;transition:all .25s}.toggle-slider:before{content:"";position:absolute;height:20px;width:20px;left:3px;bottom:3px;background:#fff;border-radius:50%;transition:all .25s;box-shadow:0 1px 4px #0003}.toggle input:checked+.toggle-slider{background:var(--primary)}.toggle input:checked+.toggle-slider:before{transform:translate(22px)}.input-group{margin-bottom:14px}.input-label{display:block;font-size:.85rem;font-weight:600;color:var(--gray-700);margin-bottom:6px}.input-field{width:100%;padding:12px 14px;border:2px solid var(--gray-200);border-radius:var(--radius-sm);font-size:.95rem;font-family:inherit;color:var(--text);background:#fff;outline:none;transition:border-color .2s}.input-field:focus{border-color:var(--primary)}.settings-actions{display:flex;flex-direction:column;gap:8px}.secondary-btn,.danger-btn{width:100%;border-radius:var(--radius-sm);border:none;padding:12px;font-size:.9rem;font-weight:600;cursor:pointer;transition:all .2s;-webkit-tap-highlight-color:transparent}.secondary-btn{background:var(--gray-100);color:var(--gray-700)}.secondary-btn:active{transform:scale(.98)}.danger-btn{background:var(--danger-light);color:var(--danger)}.danger-btn:active{transform:scale(.98)}.wechat-copy-btn{width:100%;border:2px dashed var(--success);border-radius:var(--radius-sm);padding:12px;font-size:1rem;font-weight:700;color:var(--success);background:var(--success-light);cursor:pointer;letter-spacing:.02em;-webkit-tap-highlight-color:transparent}.wechat-copy-btn:active{transform:scale(.98)}.toast{position:fixed;top:calc(var(--header-height) + 10px);left:50%;transform:translate(-50%) translateY(-80px);background:var(--gray-900);color:#fff;padding:10px 20px;border-radius:999px;font-size:.875rem;font-weight:600;z-index:200;transition:transform .35s cubic-bezier(.34,1.56,.64,1);white-space:nowrap;pointer-events:none;max-width:calc(100vw - 40px)}.toast.show{transform:translate(-50%) translateY(0)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;z-index:150;display:none;align-items:flex-end;padding-bottom:env(safe-area-inset-bottom,0)}.modal-overlay.open{display:flex}.modal{width:100%;max-width:480px;margin:0 auto;background:#fff;border-radius:var(--radius) var(--radius) 0 0;padding:20px;padding-bottom:calc(20px + env(safe-area-inset-bottom,0));animation:slideUp .3s ease;position:relative}@keyframes slideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}.modal-title{font-size:1.1rem;font-weight:700;color:var(--gray-900);margin-bottom:16px;text-align:center}.modal-close{position:absolute;top:16px;right:20px;background:var(--gray-100);border:none;width:32px;height:32px;border-radius:50%;font-size:1rem;cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--gray-500)}.mt-4{margin-top:4px}.mt-8{margin-top:8px}.mt-12{margin-top:12px}.mt-16{margin-top:16px}.text-center{text-align:center}.font-bold{font-weight:700}.text-sm{font-size:.85rem}.text-muted{color:var(--text-light)}.empty-state{text-align:center;padding:32px 16px;color:var(--text-light)}.empty-state-icon{font-size:3rem;margin-bottom:12px}.empty-state-text{font-size:.9rem}@media (min-width: 480px){#app{box-shadow:0 0 40px #0000001a}}