.trip-result{min-height:100vh;background:#f7fafc;padding-bottom:2rem}.trip-header{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:2rem 0 3rem;position:relative}.back-btn{position:absolute;top:1.5rem;left:2rem;background:#fff3;border:none;color:#fff;padding:.5rem 1rem;border-radius:8px;cursor:pointer;font-size:1rem;transition:all .3s}.back-btn:hover{background:#ffffff4d}.trip-title-section{max-width:1200px;margin:0 auto;padding:0 20px;text-align:center}.trip-title-section h1{font-size:2.5rem;margin-bottom:1rem;font-weight:700}.trip-meta{display:flex;gap:2rem;justify-content:center;margin-bottom:1.5rem;font-size:1.125rem}.trip-meta span{display:flex;align-items:center;gap:.5rem}.trip-actions{display:flex;gap:1rem;justify-content:center}.btn-action{background:#fff;color:#667eea;border:none;padding:.75rem 1.5rem;border-radius:10px;font-weight:600;cursor:pointer;transition:all .3s}.btn-action:hover{transform:translateY(-2px);box-shadow:0 10px 25px #0003}.trip-container{max-width:1200px;margin:-2rem auto 0;padding:0 20px 4rem;display:grid;grid-template-columns:250px 1fr;gap:2rem}.trip-sidebar{background:#fff;border-radius:16px;padding:1.5rem;box-shadow:0 10px 30px #0000001a;height:fit-content;position:sticky;top:2rem}.trip-sidebar h3{margin-bottom:1.5rem;color:#2d3748;font-size:1.125rem}.destinations-timeline{display:flex;flex-direction:column;gap:1.5rem}.timeline-item{display:flex;align-items:flex-start;gap:1rem;position:relative}.timeline-item:not(:last-child):after{content:"";position:absolute;left:17px;top:40px;width:2px;height:calc(100% + 1rem);background:#e2e8f0}.timeline-marker{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;flex-shrink:0;z-index:1}.timeline-content h4{color:#2d3748;margin-bottom:.25rem;font-size:1rem}.timeline-content p{color:#718096;font-size:.875rem}.trip-content{display:flex;flex-direction:column;gap:2rem}.destination-section{background:#fff;border-radius:16px;overflow:hidden;box-shadow:0 10px 30px #0000001a}.destination-header{position:relative;height:250px;overflow:hidden}.destination-header img{width:100%;height:100%;object-fit:cover}.destination-info{position:absolute;bottom:0;left:0;right:0;background:linear-gradient(to top,rgba(0,0,0,.8),transparent);color:#fff;padding:2rem}.destination-info h2{font-size:2rem;margin-bottom:.5rem}.destination-info p{font-size:1rem;opacity:.95}.day-card{border-bottom:1px solid #e2e8f0;padding:1.5rem 2rem}.day-card:last-child{border-bottom:none}.day-header{display:flex;justify-content:space-between;align-items:center;cursor:pointer}.day-date{display:flex;align-items:center;gap:1rem;flex:1}.date-badge{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:.5rem 1rem;border-radius:8px;font-weight:600;font-size:.875rem}.day-header h3{color:#2d3748;font-size:1.25rem}.expand-btn{width:36px;height:36px;border-radius:50%;border:2px solid #667eea;background:#fff;color:#667eea;font-size:1.5rem;cursor:pointer;transition:all .3s;display:flex;align-items:center;justify-content:center;font-weight:700}.expand-btn:hover,.expand-btn.active{background:#667eea;color:#fff}.day-activities{margin-top:1.5rem;display:flex;flex-direction:column;gap:1.5rem}.activity-item{display:flex;gap:1rem;padding:1.5rem;background:#f7fafc;border-radius:12px;border-left:4px solid #667eea}.activity-icon{font-size:2.5rem;flex-shrink:0;line-height:1;font-family:"Apple Color Emoji","Segoe UI Emoji",Segoe UI Symbol,"Noto Color Emoji",sans-serif;font-style:normal;font-variant:normal;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.activity-details{flex:1}.activity-time-badge{display:inline-block;background:#667eea;color:#fff;padding:.25rem .75rem;border-radius:6px;font-size:.75rem;font-weight:600;margin-bottom:.5rem}.activity-details h4{color:#2d3748;margin-bottom:.5rem;font-size:1.125rem}.activity-details p{color:#718096;line-height:1.6;margin-bottom:.5rem}.activity-duration{color:#667eea;font-size:.875rem;font-weight:600}.accommodation-info{padding:1rem;background:#fff5e6;border-radius:8px;border-left:4px solid #ffa500}.accommodation-info span{color:#2d3748;font-weight:600}.hotels-section{background:#fff;border-radius:16px;padding:2rem;box-shadow:0 10px 30px #0000001a}.hotels-section h2{color:#2d3748;margin-bottom:2rem;font-size:1.75rem}.hotels-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.5rem}.hotel-card{border:1px solid #e2e8f0;border-radius:12px;overflow:hidden;transition:all .3s}.hotel-card:hover{transform:translateY(-5px);box-shadow:0 15px 40px #00000026}.hotel-card img{width:100%;height:200px;object-fit:cover}.hotel-info{padding:1.5rem}.hotel-info h4{color:#2d3748;margin-bottom:.5rem;font-size:1.125rem}.hotel-city{color:#667eea;font-size:.875rem;margin-bottom:.75rem;font-weight:600}.hotel-desc{color:#718096;font-size:.875rem;line-height:1.6;margin-bottom:1rem}.btn-book{width:100%;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;padding:.75rem;border-radius:8px;font-weight:600;cursor:pointer;transition:all .3s}.btn-book:hover{transform:translateY(-2px);box-shadow:0 10px 25px #667eea66}@media (max-width: 1024px){.trip-container{grid-template-columns:1fr}.trip-sidebar{position:relative;top:0}.destinations-timeline{flex-direction:row;overflow-x:auto;padding-bottom:1rem}.timeline-item:after{display:none}}@media (max-width: 768px){.trip-header{padding:1.5rem 0 2rem}.back-btn{position:static;margin-bottom:1rem}.trip-title-section h1{font-size:1.75rem}.trip-meta{flex-direction:column;gap:.5rem;align-items:center}.trip-actions{flex-direction:column}.btn-action{width:100%}.destination-header{height:200px}.destination-info h2{font-size:1.5rem}.day-card{padding:1rem}.activity-item{flex-direction:column;text-align:center}.hotels-grid{grid-template-columns:1fr}}.share-modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:10000;animation:fadeIn .2s ease-out}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.share-modal{background:#fff;border-radius:16px;box-shadow:0 20px 60px #0000004d;max-width:500px;width:90%;max-height:90vh;overflow-y:auto;animation:slideUp .3s ease-out}@keyframes slideUp{0%{transform:translateY(50px);opacity:0}to{transform:translateY(0);opacity:1}}.share-modal-header{display:flex;justify-content:space-between;align-items:center;padding:1.5rem;border-bottom:1px solid #e2e8f0}.share-modal-header h3{margin:0;font-size:1.25rem;color:#2d3748}.close-btn{background:none;border:none;font-size:2rem;color:#718096;cursor:pointer;padding:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:all .2s}.close-btn:hover{background:#f7fafc;color:#2d3748}.share-modal-body{padding:1.5rem}.share-modal-body p{color:#4a5568;margin-bottom:1rem}.share-link-container{display:flex;gap:.5rem;margin-bottom:1rem}.share-link-input{flex:1;padding:.75rem 1rem;border:2px solid #e2e8f0;border-radius:8px;font-size:.875rem;color:#2d3748;background:#f7fafc;font-family:monospace}.share-link-input:focus{outline:none;border-color:#667eea;background:#fff}.copy-btn{padding:.75rem 1.5rem;background:#667eea;color:#fff;border:none;border-radius:8px;font-size:.875rem;font-weight:600;cursor:pointer;transition:all .2s;white-space:nowrap}.copy-btn:hover{background:#5568d3;transform:translateY(-2px);box-shadow:0 4px 12px #667eea4d}.copy-btn.success{background:#48bb78}.copy-btn.success:hover{background:#38a169}.share-tip{font-size:.875rem;color:#718096;margin:0;padding:.75rem;background:#f7fafc;border-radius:8px}*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #667eea;--secondary-color: #764ba2;--accent-color: #f093fb;--text-dark: #2d3748;--text-light: #718096;--bg-light: #f7fafc;--white: #ffffff;--shadow: 0 10px 30px rgba(0, 0, 0, .1);--shadow-hover: 0 15px 40px rgba(0, 0, 0, .15);--border-radius: 16px}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,"Apple Color Emoji","Segoe UI Emoji",Segoe UI Symbol,"Noto Color Emoji",sans-serif;color:var(--text-dark);line-height:1.6;overflow-x:hidden}.home-page,.trip-result-page{position:relative;width:100%;overflow:hidden}.App{position:relative;width:100%}.container{max-width:1200px;margin:0 auto;padding:0 20px}.navbar{background:var(--white);box-shadow:0 2px 10px #0000000d;position:sticky;top:0;z-index:1000;padding:1rem 0}.navbar .container{display:flex;justify-content:space-between;align-items:center}.nav-brand{font-size:1.5rem;font-weight:700;background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.nav-links{display:flex;gap:2rem}.nav-links a{text-decoration:none;color:var(--text-dark);font-weight:500;transition:color .3s;cursor:pointer}.nav-links a:hover{color:var(--primary-color)}.hero{background:linear-gradient(135deg,#667eea,#764ba2);color:var(--white);padding:80px 0 100px;text-align:center}.hero-content{max-width:800px;margin:0 auto}.ai-avatar{font-size:4rem;margin-bottom:1rem;animation:float 3s ease-in-out infinite}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.hero h1{font-size:3rem;margin-bottom:1rem;font-weight:700}.hero-subtitle{font-size:1.5rem;margin-bottom:3rem;opacity:.95}.planning-card{background:var(--white);border-radius:var(--border-radius);padding:2.5rem;box-shadow:var(--shadow);color:var(--text-dark);max-width:600px;margin:0 auto}.planning-card h3{margin-bottom:1.5rem;color:var(--text-dark)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:1rem}.planning-card input,.planning-card select{padding:.875rem;border:2px solid #e2e8f0;border-radius:10px;font-size:1rem;transition:border-color .3s;font-family:inherit}.planning-card input:focus,.planning-card select:focus{outline:none;border-color:var(--primary-color)}.btn-primary{width:100%;padding:1rem;background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));color:var(--white);border:none;border-radius:10px;font-size:1.1rem;font-weight:600;cursor:pointer;transition:transform .3s,box-shadow .3s;margin-top:.5rem}.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 10px 25px #667eea66}.btn-primary:disabled{opacity:.7;cursor:not-allowed}.destinations{padding:80px 0;background:var(--bg-light)}.destinations h2{text-align:center;font-size:2.5rem;margin-bottom:3rem}.destinations-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:2rem}.destination-card{background:var(--white);border-radius:var(--border-radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s;padding:1.5rem;text-align:center}.destination-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}.destination-image{height:150px;border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:1rem}.destination-icon{font-size:4rem}.destination-card h4{font-size:1.25rem;margin-bottom:.5rem}.destination-card p{color:var(--text-light);margin-bottom:1rem}.btn-outline{padding:.625rem 1.5rem;background:transparent;border:2px solid var(--primary-color);color:var(--primary-color);border-radius:8px;font-weight:600;cursor:pointer;transition:all .3s}.btn-outline:hover{background:var(--primary-color);color:var(--white)}.features{padding:80px 0}.features h2{text-align:center;font-size:2.5rem;margin-bottom:3rem}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem}.feature-card{background:var(--white);padding:2rem;border-radius:var(--border-radius);box-shadow:var(--shadow);text-align:center;transition:transform .3s}.feature-card:hover{transform:translateY(-5px)}.feature-icon{font-size:3rem;margin-bottom:1rem}.feature-card h3{font-size:1.5rem;margin-bottom:1rem;color:var(--text-dark)}.feature-card p{color:var(--text-light);line-height:1.8}.testimonials{padding:80px 0;background:var(--bg-light)}.testimonials h2{text-align:center;font-size:2.5rem;margin-bottom:3rem}.testimonials-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem}.testimonial-card{background:var(--white);padding:2rem;border-radius:var(--border-radius);box-shadow:var(--shadow)}.testimonial-stars{font-size:1.25rem;margin-bottom:1rem}.testimonial-card p{color:var(--text-light);margin-bottom:1.5rem;font-style:italic;line-height:1.8}.testimonial-author{display:flex;align-items:center;gap:1rem}.author-avatar{font-size:2.5rem}.testimonial-author strong{display:block;color:var(--text-dark)}.testimonial-author span{color:var(--text-light);font-size:.875rem}.faq{padding:80px 0}.faq h2{text-align:center;font-size:2.5rem;margin-bottom:3rem}.faq-list{max-width:800px;margin:0 auto}.faq-item{background:var(--white);margin-bottom:1rem;border-radius:12px;box-shadow:0 2px 10px #0000000d;overflow:hidden}.faq-question{padding:1.5rem;display:flex;justify-content:space-between;align-items:center;cursor:pointer;transition:background .3s}.faq-question:hover{background:var(--bg-light)}.faq-question h4{font-size:1.125rem;color:var(--text-dark)}.faq-toggle{font-size:1.5rem;color:var(--primary-color);font-weight:700;transition:transform .3s}.faq-item.active .faq-toggle{transform:rotate(45deg)}.faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease-out,padding .3s ease-out}.faq-item.active .faq-answer{max-height:200px;padding:0 1.5rem 1.5rem}.faq-answer p{color:var(--text-light);line-height:1.8}.footer{background:var(--text-dark);color:var(--white);padding:60px 0 20px}.footer-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:2rem;margin-bottom:2rem}.footer-section h4{margin-bottom:1rem;font-size:1.125rem}.footer-section p{color:#a0aec0;line-height:1.8}.footer-section a{display:block;color:#a0aec0;text-decoration:none;margin-bottom:.5rem;transition:color .3s}.footer-section a:hover{color:var(--white)}.footer-bottom{text-align:center;padding-top:2rem;border-top:1px solid #4a5568;color:#a0aec0}.notification{position:fixed;top:100px;right:20px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:1rem 1.5rem;border-radius:12px;box-shadow:0 10px 30px #0003;z-index:10000;animation:slideIn .3s ease-out;max-width:400px;font-weight:500}@keyframes slideIn{0%{transform:translate(400px);opacity:0}to{transform:translate(0);opacity:1}}@media (max-width: 768px){.nav-links{gap:1rem;font-size:.875rem}.hero h1{font-size:2rem}.hero-subtitle{font-size:1.125rem}.form-row{grid-template-columns:1fr}.planning-card{padding:1.5rem}.destinations h2,.features h2,.testimonials h2,.faq h2{font-size:2rem}.notification{right:10px;left:10px;max-width:calc(100% - 20px)}}@media (max-width: 480px){.hero{padding:60px 0 80px}.ai-avatar{font-size:3rem}.hero h1{font-size:1.75rem}.destinations-grid,.features-grid,.testimonials-grid{grid-template-columns:1fr}}