:root{--primary: #1B4F72;--primary-light: #2C7BB6;--accent: #E67E22;--accent-light: #F39C12;--bg: #0f172a;--bg-card: #1e293b;--text: #e2e8f0;--text-light: #94a3b8;--radius: 16px;--shadow: 0 8px 32px rgba(0,0,0,.3)}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;overflow-x:hidden}.hero{min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;position:relative;overflow:hidden;background:#0a0a1a}.hero-bg{position:absolute;top:0;left:0;right:0;bottom:0;z-index:0;overflow:hidden}.hero-bg-texture{position:absolute;top:0;left:0;right:0;bottom:0;background:radial-gradient(ellipse at 60% 50%,rgba(20,60,40,.12) 0%,transparent 50%),radial-gradient(ellipse at 30% 50%,rgba(60,100,80,.08) 0%,transparent 40%),repeating-linear-gradient(0deg,transparent,transparent 2px,rgba(180,210,180,.012) 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rgba(200,220,200,.12);padding:12px;overflow:hidden}.hero-jade-logo{width:100%;height:100%;object-fit:contain;filter:drop-shadow(0 4px 16px rgba(0,0,0,.3))}@keyframes subtleFloat{0%,to{transform:translateY(0)}50%{transform:translateY(-6px)}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.hero-logo-icon{font-size:48px}.hero-title{margin-bottom:16px}.hero-title-line{display:block;font-size:clamp(52px,10vw,88px);font-weight:800;letter-spacing:8px;background:linear-gradient(135deg,#fff,#64b5f6);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-title-sub{display:block;font-size:clamp(20px,3vw,28px);color:#fff9;font-weight:400;letter-spacing:12px;margin-top:8px}.hero-desc{font-size:18px;color:#ffffff80;margin-bottom:36px}.hero-desc strong{color:var(--accent-light)}.hero-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}.hero-btn{padding:14px 36px;border-radius:30px;font-size:16px;font-weight:600;text-decoration:none;transition:all .3s cubic-bezier(.4,0,.2,1)}.hero-btn.primary{background:linear-gradient(135deg,var(--accent),var(--accent-light));color:#fff;box-shadow:0 4px 20px #e67e224d}.hero-btn.primary:hover{transform:translateY(-2px);box-shadow:0 8px 30px #e67e2266}.hero-btn.secondary{background:#ffffff14;color:#fff;border:1px solid rgba(255,255,255,.15);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.hero-btn.secondary:hover{background:#ffffff26}.scroll-indicator{position:absolute;bottom:24px;left:50%;transform:translate(-50%);font-size:24px;color:#ffffff4d;animation:bounce 2s infinite}@keyframes bounce{0%,to{transform:translate(-50%) translateY(0)}50%{transform:translate(-50%) translateY(8px)}}.stats-bar{display:flex;justify-content:center;gap:40px;padding:40px 20px;background:#ffffff05;border-bottom:1px solid rgba(255,255,255,.05)}.stat-item{text-align:center}.stat-num{font-size:36px;font-weight:800;display:block;background:linear-gradient(135deg,var(--accent-light),#fff);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.stat-label{font-size:14px;color:var(--text-light)}.stat-divider{width:1px;background:#ffffff1a}.section{padding:80px 20px;max-width:1200px;margin:0 auto}.section-title{text-align:center;margin-bottom:50px;opacity:0;transform:translateY(20px);transition:all .6s ease}.section-title.visible{opacity:1;transform:translateY(0)}.section-badge{display:inline-block;padding:4px 16px;border-radius:20px;font-size:12px;font-weight:600;background:#e67e2226;color:var(--accent-light);letter-spacing:2px;margin-bottom:12px}.section-title h2{font-size:clamp(28px,4vw,40px);font-weight:800;margin-bottom:12px}.section-title p{color:var(--text-light);font-size:16px;max-width:500px;margin:0 auto}.filters{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin-bottom:40px}.filter-btn{padding:8px 24px;border-radius:20px;border:1px solid rgba(255,255,255,.1);background:#ffffff08;font-size:14px;color:var(--text-light);cursor:pointer;transition:all .25s}.filter-btn:hover,.filter-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}.spots-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}.spot-card{background:var(--bg-card);border-radius:var(--radius);overflow:hidden;cursor:pointer;transition:all .4s cubic-bezier(.4,0,.2,1);position:relative;opacity:0;transform:translateY(30px)}.spot-card.visible{opacity:1;transform:translateY(0);transition:all .5s cubic-bezier(.4,0,.2,1)}.spot-card:hover{transform:translateY(-8px);box-shadow:0 16px 48px #0006}.spot-card-glow{position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle at 50% 50%,rgba(255,255,255,.04),transparent);pointer-events:none;transition:opacity .4s}.spot-card-top{height:180px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}.spot-card-icon{font-size:64px;transition:transform .4s cubic-bezier(.4,0,.2,1)}.spot-card-body{padding:20px}.spot-card-name{font-size:20px;font-weight:700;margin-bottom:4px}.spot-card-meta{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.spot-card-city{font-size:13px;color:var(--text-light)}.spot-card-cat{font-size:12px;padding:2px 12px;border-radius:10px;background:#ffffff0f;color:var(--text-light)}.spot-card-desc{font-size:14px;color:var(--text-light);line-height:1.6}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);animation:fadeIn .3s}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal-content{background:var(--bg-card);border-radius:20px;max-width:400px;width:100%;overflow:hidden;position:relative;animation:slideUp .4s cubic-bezier(.4,0,.2,1);box-shadow:0 24px 64px #00000080}@keyframes slideUp{0%{transform:translateY(40px);opacity:0}to{transform:translateY(0);opacity:1}}.modal-close{position:absolute;top:12px;right:12px;width:36px;height:36px;border-radius:50%;border:none;background:#0000004d;color:#fff;font-size:16px;cursor:pointer;z-index:10;display:flex;align-items:center;justify-content:center}.modal-hero{height:200px;display:flex;align-items:center;justify-content:center}.modal-icon{font-size:80px}.modal-body{padding:24px}.modal-name{font-size:24px;font-weight:700;margin-bottom:8px}.modal-tags{display:flex;gap:8px;margin-bottom:16px}.tag-location,.tag-category{font-size:13px;padding:4px 14px;border-radius:8px;background:#ffffff0f;color:var(--text-light)}.modal-desc{color:var(--text-light);line-height:1.7;margin-bottom:20px;font-size:14px}.modal-extras{display:flex;flex-direction:column;gap:10px;margin-bottom:24px}.extra-item{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-light)}.extra-icon{font-size:18px}.modal-action{width:100%;padding:12px;border:none;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--primary-light));color:#fff;font-size:16px;font-weight:600;cursor:pointer;transition:all .25s}.modal-action:hover{transform:scale(1.02)}.city-section{padding:60px 20px}.city-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:16px}.city-card{background:var(--bg-card);border-radius:var(--radius);padding:24px;text-align:center;transition:all .3s}.city-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.city-count{display:inline-flex;width:48px;height:48px;border-radius:50%;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:18px;margin-bottom:12px}.city-name{font-size:18px;font-weight:600;margin-bottom:8px}.city-spots{font-size:20px}.season-section{padding:60px 20px}.season-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:20px}.season-card{background:var(--bg-card);border-radius:var(--radius);padding:28px;transition:all .3s}.season-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.season-card h3{font-size:22px;margin-bottom:12px}.season-card p{color:var(--text-light);margin-bottom:16px;font-size:14px}.season-tags{display:flex;flex-wrap:wrap;gap:8px}.season-tags .tag{font-size:12px;padding:4px 12px;border-radius:6px;background:#ffffff0f;color:var(--text-light)}.itinerary-section{padding:60px 20px}.itinerary-container{opacity:0;transform:translateY(30px);transition:all .6s ease}.itinerary-container.visible{opacity:1;transform:translateY(0)}.itinerary-card{background:var(--bg-card);border-radius:var(--radius);padding:36px;max-width:800px;margin:0 auto;box-shadow:var(--shadow)}.itinerary-form{display:grid;grid-template-columns:1fr 1fr;gap:20px}.form-group.full{grid-column:1 / -1}.form-group label{font-size:14px;font-weight:600;color:var(--text-light);margin-bottom:8px;display:block}.form-group input{width:100%;padding:12px 16px;border:1px solid rgba(255,255,255,.1);border-radius:10px;font-size:15px;background:#ffffff0d;color:var(--text);outline:none;transition:border-color .2s}.form-group input:focus{border-color:var(--primary-light)}.days-selector,.type-selector{display:flex;gap:8px;flex-wrap:wrap}.day-option,.type-option{padding:8px 16px;border-radius:8px;border:1px solid rgba(255,255,255,.1);background:#ffffff08;color:var(--text-light);font-size:14px;cursor:pointer;transition:all .2s}.day-option.active,.type-option.active{background:var(--primary);color:#fff;border-color:var(--primary)}.generate-btn{grid-column:1 / -1;padding:14px;border:none;border-radius:12px;background:linear-gradient(135deg,var(--accent),var(--accent-light));color:#fff;font-size:17px;font-weight:600;cursor:pointer;transition:all .25s}.generate-btn:hover{transform:scale(1.02);box-shadow:0 6px 20px #e67e224d}.itinerary-result{margin-top:30px;text-align:left}.result-header{margin-bottom:24px}.result-badge{display:inline-block;padding:4px 14px;border-radius:8px;font-size:12px;font-weight:600;background:#2ecc7126;color:#2ecc71;margin-bottom:8px}.result-header h3{font-size:22px}.day-plan{background:#ffffff08;border-radius:12px;padding:20px;margin-bottom:16px;border:1px solid rgba(255,255,255,.05)}.day-header{display:flex;align-items:center;gap:12px;margin-bottom:16px}.day-badge{background:var(--primary);color:#fff;padding:4px 14px;border-radius:8px;font-size:13px;font-weight:700}.day-title{font-size:17px;font-weight:600}.day-spot{display:flex;align-items:center;gap:12px;padding:10px 0;border-bottom:1px solid rgba(255,255,255,.04)}.day-spot:last-child{border-bottom:none}.day-spot-num{width:24px;height:24px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;flex-shrink:0}.day-spot-icon{font-size:24px}.day-spot-name{font-weight:600;font-size:15px}.day-spot-desc{color:var(--text-light);font-size:13px}.app-entry{background:linear-gradient(135deg,var(--primary),#0c1445);text-align:center;padding:80px 20px;margin-top:40px}.app-entry-content{max-width:600px;margin:0 auto}.app-badge{display:inline-block;padding:4px 16px;border-radius:20px;font-size:12px;font-weight:600;background:#ffffff1a;color:#ffffffb3;margin-bottom:16px}.app-entry h2{font-size:clamp(28px,4vw,36px);font-weight:800;margin-bottom:16px}.app-entry p{opacity:.7;margin-bottom:30px;font-size:16px}.app-buttons{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}.app-btn{display:inline-flex;align-items:center;gap:10px;padding:14px 32px;border-radius:30px;font-size:16px;font-weight:600;text-decoration:none;transition:all .25s}.app-btn.primary{background:#fff;color:var(--primary)}.app-btn.primary:hover{transform:scale(1.05);box-shadow:0 8px 24px #0000004d}.app-btn.secondary{background:#ffffff1a;color:#fff;border:1px solid rgba(255,255,255,.2)}.app-btn.secondary:hover{background:#fff3}.footer{background:#0a0a1a;text-align:center;padding:40px 20px}.footer-inner{max-width:600px;margin:0 auto}.footer-brand{display:flex;align-items:center;justify-content:center;gap:8px;margin-bottom:12px}.footer-logo{font-size:24px}.footer-name{font-size:20px;font-weight:700}.footer-desc{color:var(--text-light);font-size:14px;margin-bottom:8px}.footer-meta{color:#ffffff4d;font-size:12px}@media (max-width: 768px){.stats-bar{gap:20px;padding:24px 16px}.stat-num{font-size:28px}.section{padding:50px 16px}.spots-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px}.itinerary-form{grid-template-columns:1fr}.itinerary-card{padding:24px}.app-buttons{flex-direction:column;align-items:center}.city-grid{grid-template-columns:repeat(3,1fr)}}@media (max-width: 480px){.city-grid{grid-template-columns:repeat(2,1fr)}.season-grid{grid-template-columns:1fr}}