@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after,::backdrop{--tw-border-style:solid}}}.visible{visibility:visible}.block{display:block}.flex{display:flex}.border{border-style:var(--tw-border-style);border-width:1px}.uppercase{text-transform:uppercase}.transition{transition-property:color,background-color,border-color,outline-color,text-decoration-color,fill,stroke,--tw-gradient-from,--tw-gradient-via,--tw-gradient-to,opacity,box-shadow,transform,translate,scale,rotate,filter,-webkit-backdrop-filter,backdrop-filter,display,content-visibility,overlay,pointer-events;transition-timing-function:var(--tw-ease,ease);transition-duration:var(--tw-duration,0s)}:root{--color-primary:#fa5a3a;--color-primary-dark:#d94a2a;--color-primary-light:#fee9e7;--color-accent-green:#3dcc6a;--color-accent-green-dark:#2aa351;--color-accent-yellow:#f5a623;--color-accent-red:#e53935;--color-bg:#fff;--color-bg-secondary:#f8f9fa;--color-bg-tertiary:#eeeeef;--color-border:#e5e5e5;--color-border-strong:#d0d0d0;--color-text:#222;--color-text-secondary:#555;--color-text-tertiary:#888;--color-text-inverse:#fff;--shadow-sm:0 1px 2px #0000000d;--shadow-md:0 2px 8px #00000014;--shadow-lg:0 4px 16px #0000001a;--radius-sm:4px;--radius-md:8px;--radius-lg:12px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background-color:var(--color-bg);color:var(--color-text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.6}.font-display{letter-spacing:-.02em;font-family:Segoe UI,Roboto,system-ui,sans-serif;font-weight:700}.text-balance{text-wrap:balance}.btn{border-radius:var(--radius-sm);cursor:pointer;border:none;justify-content:center;align-items:center;gap:8px;padding:12px 24px;font-size:14px;font-weight:600;line-height:1;text-decoration:none;transition:all .15s;display:inline-flex}.btn-primary{background-color:var(--color-primary);color:var(--color-text-inverse)}.btn-primary:hover{background-color:var(--color-primary-dark);box-shadow:var(--shadow-md);transform:translateY(-1px)}.btn-primary:active{transform:translateY(0)}.btn-secondary{background-color:var(--color-bg-secondary);color:var(--color-text);border:1px solid var(--color-border-strong)}.btn-secondary:hover{background-color:var(--color-bg-tertiary)}.btn-ghost{color:var(--color-text-secondary);background-color:#0000}.btn-ghost:hover{background-color:var(--color-bg-secondary);color:var(--color-text)}.card{background-color:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:24px;transition:box-shadow .15s,transform .15s}.card:hover{box-shadow:var(--shadow-md)}.card-interactive{cursor:pointer}.card-interactive:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}.step-number{background-color:var(--color-primary);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:28px;height:28px;font-size:14px;font-weight:700;display:inline-flex}.badge{border-radius:999px;align-items:center;gap:4px;padding:4px 10px;font-size:12px;font-weight:600;display:inline-flex}.badge-easy{color:#2e7d32;background-color:#e8f5e9}.badge-medium{color:#e65100;background-color:#fff3e0}.badge-hard{color:#c62828;background-color:#ffebee}.tool-pill{background-color:var(--color-bg-secondary);border:1px solid var(--color-border);color:var(--color-text-secondary);border-radius:999px;align-items:center;padding:6px 12px;font-size:13px;transition:all .15s;display:inline-flex}.tool-pill:hover{background-color:var(--color-bg-tertiary);border-color:var(--color-border-strong)}.search-box{width:100%;max-width:480px;position:relative}.search-box input{border:1px solid var(--color-border);border-radius:var(--radius-md);background-color:var(--color-bg);width:100%;color:var(--color-text);padding:12px 16px 12px 44px;font-size:15px;transition:border-color .15s,box-shadow .15s}.search-box input:focus{border-color:var(--color-primary);outline:none;box-shadow:0 0 0 3px #fa5a3a26}.search-box-icon{color:var(--color-text-tertiary);pointer-events:none;position:absolute;top:50%;left:14px;transform:translateY(-50%)}.navbar{z-index:50;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--color-border);background-color:#fffffff2;position:sticky;top:0}.navbar-inner{justify-content:space-between;align-items:center;max-width:1200px;height:64px;margin:0 auto;padding:0 24px;display:flex}.nav-logo{color:var(--color-primary);letter-spacing:-.03em;font-size:22px;font-weight:800;text-decoration:none}.nav-logo span{color:var(--color-text)}.nav-links{align-items:center;gap:24px;margin:0;padding:0;list-style:none;display:flex}.nav-link{color:var(--color-text-secondary);font-size:14px;font-weight:500;text-decoration:none;transition:color .15s}.nav-link:hover{color:var(--color-text)}.nav-link.active{color:var(--color-primary);font-weight:600}.hero{background:linear-gradient(135deg,#f8f9fa 0%,#f0f2f5 100%);padding:64px 0}.hero-inner{grid-template-columns:1fr 1fr;align-items:center;gap:64px;max-width:1200px;margin:0 auto;padding:0 24px;display:grid}.hero-content{color:var(--color-text)}.hero-title{letter-spacing:-.02em;color:var(--color-text);margin:0 0 16px;font-size:clamp(32px,5vw,48px);font-weight:800;line-height:1.1}.hero-title .highlight{color:var(--color-primary)}.hero-subtitle{color:var(--color-text-secondary);max-width:500px;margin:0 0 32px;font-size:18px;line-height:1.6}.hero-actions{flex-wrap:wrap;gap:12px;display:flex}.hero-image{border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);background-color:var(--color-bg-secondary);aspect-ratio:4/3;color:var(--color-text-tertiary);justify-content:center;align-items:center;display:flex;overflow:hidden}.vehicle-nav{background-color:var(--color-bg-secondary);border-bottom:1px solid var(--color-border);padding:12px 0}.vehicle-nav-inner{scrollbar-width:none;gap:8px;max-width:1200px;margin:0 auto;padding:0 24px;display:flex;overflow-x:auto}.vehicle-nav-inner::-webkit-scrollbar{display:none}.vehicle-chip{background-color:var(--color-bg);border:1px solid var(--color-border);color:var(--color-text-secondary);white-space:nowrap;cursor:pointer;border-radius:999px;align-items:center;gap:8px;padding:8px 16px;font-size:14px;font-weight:500;text-decoration:none;transition:all .15s;display:inline-flex}.vehicle-chip:hover{border-color:var(--color-border-strong);color:var(--color-text);background-color:var(--color-bg-tertiary)}.vehicle-chip.active{background-color:var(--color-primary);border-color:var(--color-primary);color:#fff}.vehicle-chip-icon{font-size:16px}.fix-grid{grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px;display:grid}.fix-card{background-color:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-md);flex-direction:column;transition:all .15s;display:flex;overflow:hidden}.fix-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.fix-card-image{aspect-ratio:16/10;background-color:var(--color-bg-secondary);color:var(--color-text-tertiary);border-bottom:1px solid var(--color-border);justify-content:center;align-items:center;font-size:14px;display:flex;position:relative}.fix-card-image .placeholder-icon{opacity:.5;font-size:32px}.fix-card-body{padding:16px}.fix-card-title{color:var(--color-text);margin:0 0 8px;font-size:16px;font-weight:600;line-height:1.3}.fix-card-vehicle{color:var(--color-text-tertiary);margin:0 0 12px;font-size:13px}.fix-card-footer{background-color:var(--color-bg-secondary);border-top:1px solid var(--color-border);justify-content:space-between;align-items:center;padding:12px 16px;display:flex}.fix-card-difficulty{align-items:center;gap:6px;font-size:12px;font-weight:600;display:flex}.fix-card-stats{color:var(--color-text-tertiary);align-items:center;gap:12px;font-size:12px;display:flex}.fix-card-stat{align-items:center;gap:4px;display:flex}.guide-header{background-color:var(--color-bg-secondary);border-bottom:1px solid var(--color-border);padding:48px 0}.guide-header-inner{max-width:900px;margin:0 auto;padding:0 24px}.guide-breadcrumb{color:var(--color-text-tertiary);align-items:center;gap:8px;margin-bottom:16px;font-size:13px;display:flex}.guide-breadcrumb a{color:var(--color-text-tertiary);text-decoration:none;transition:color .15s}.guide-breadcrumb a:hover{color:var(--color-primary)}.guide-title{color:var(--color-text);margin:0 0 12px;font-size:clamp(24px,4vw,36px);font-weight:800;line-height:1.2}.guide-meta{flex-wrap:wrap;align-items:center;gap:24px;display:flex}.guide-meta-item{color:var(--color-text-secondary);align-items:center;gap:8px;font-size:14px;display:flex}.guide-content{max-width:900px;margin:0 auto;padding:48px 24px}.step{border-bottom:1px solid var(--color-border);gap:24px;margin-bottom:48px;padding-bottom:48px;display:flex}.step:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0}.step-content{flex:1}.step-title{color:var(--color-text);margin:0 0 12px;font-size:20px;font-weight:700}.step-number-inline{background-color:var(--color-primary);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;margin-right:12px;font-size:14px;font-weight:700;display:inline-flex}.step-text{color:var(--color-text-secondary);margin:0;line-height:1.7}.step-text p{margin:0 0 12px}.step-image{border-radius:var(--radius-md);background-color:var(--color-bg-secondary);aspect-ratio:4/3;width:280px;color:var(--color-text-tertiary);box-shadow:var(--shadow-sm);flex-shrink:0;justify-content:center;align-items:center;font-size:13px;display:flex}.tools-section{background-color:var(--color-bg-secondary);border-radius:var(--radius-md);margin-bottom:48px;padding:24px}.tools-section-title{color:var(--color-text);align-items:center;gap:8px;margin:0 0 16px;font-size:16px;font-weight:700;display:flex}.tools-grid{flex-wrap:wrap;gap:8px;display:flex}.ai-panel{z-index:40;position:fixed;bottom:24px;right:24px}.ai-button{background-color:var(--color-primary);color:#fff;width:60px;height:60px;box-shadow:var(--shadow-lg);cursor:pointer;border:none;border-radius:50%;justify-content:center;align-items:center;font-size:24px;transition:all .2s;display:flex}.ai-button:hover{transform:scale(1.05);box-shadow:0 6px 24px #fa5a3a4d}.ai-panel-open{background-color:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-lg);width:380px;box-shadow:var(--shadow-lg);flex-direction:column;display:flex;overflow:hidden}.ai-panel-header{background-color:var(--color-bg-secondary);border-bottom:1px solid var(--color-border);justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.ai-panel-title{color:var(--color-text);align-items:center;gap:8px;font-size:14px;font-weight:700;display:flex}.ai-panel-close{width:28px;height:28px;color:var(--color-text-tertiary);cursor:pointer;background-color:#0000;border:none;border-radius:50%;justify-content:center;align-items:center;transition:background-color .15s;display:flex}.ai-panel-close:hover{background-color:var(--color-bg-tertiary);color:var(--color-text)}.ai-panel-body{padding:20px}.ai-message{border-radius:var(--radius-md);margin-bottom:16px;padding:12px 16px;font-size:14px;line-height:1.5}.ai-message.assistant{background-color:var(--color-bg-secondary);border:1px solid var(--color-border);color:var(--color-text)}.ai-message.user{background-color:var(--color-primary-light);color:var(--color-text)}.ai-input-group{gap:8px;display:flex}.ai-input{border:1px solid var(--color-border);border-radius:var(--radius-sm);outline:none;flex:1;padding:10px 14px;font-size:14px;transition:border-color .15s}.ai-input:focus{border-color:var(--color-primary)}.ai-send-btn{background-color:var(--color-primary);color:#fff;border-radius:var(--radius-sm);cursor:pointer;border:none;padding:10px 16px;font-weight:600;transition:background-color .15s}.ai-send-btn:hover{background-color:var(--color-primary-dark)}.site-footer{border-top:1px solid var(--color-border);background-color:var(--color-bg-secondary);margin-top:96px;padding:48px 0}.footer-inner{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:24px;max-width:1200px;margin:0 auto;padding:0 24px;display:flex}.footer-brand{color:var(--color-primary);font-size:18px;font-weight:800}.footer-links{gap:24px;margin:0;padding:0;list-style:none;display:flex}.footer-link{color:var(--color-text-secondary);font-size:14px;text-decoration:none;transition:color .15s}.footer-link:hover{color:var(--color-text)}.footer-copy{color:var(--color-text-tertiary);text-align:center;width:100%;margin-top:16px;font-size:13px}@media (max-width:768px){.hero-inner{text-align:center;grid-template-columns:1fr;gap:32px}.hero-subtitle{margin-left:auto;margin-right:auto}.hero-actions{justify-content:center}.hero-image{order:-1}.fix-grid{grid-template-columns:1fr}.step{flex-direction:column}.step-image{aspect-ratio:16/9;width:100%}.navbar{padding:0}.nav-links{gap:16px}.nav-link{font-size:13px}.ai-panel-open{width:calc(100% - 32px);bottom:16px;right:16px}.footer-inner{text-align:center;flex-direction:column}}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}