*,*:before,*:after{box-sizing:border-box}html,body{margin:0;padding:0}img,picture,video,canvas,svg{display:block;max-width:100%}button,input,textarea,select{font:inherit}:root{--bg: #f4f4f4;--text: #1f1f1f;--muted: #6b7280;--primary: #009cff;--secondary: #232d5e;--card: #dbeeff;--card-text: #0f172a;--border-radius: 16px;--font-body: "Inter", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;--font-heading: "Rubik", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif}body{font-family:var(--font-body);background:var(--bg);color:var(--text);min-height:100vh}a{color:inherit;text-decoration:none}h1,h2,h3{font-family:var(--font-heading);letter-spacing:.03em;text-transform:uppercase;color:#232d5e}h1{margin:0 0 12px;font-size:28px}p{line-height:1.5;margin:0}.mobile-shell{max-width:420px;margin:0 auto;min-height:100vh;background:#009cff}.mobile-shell.no-scroll{height:100dvh;overflow:hidden;display:flex;flex-direction:column}.mobile-shell.color-background{background:#fff}.center{text-align:center}.muted{color:var(--muted)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.lang-page{display:flex;flex-direction:column;gap:28px;justify-content:flex-start}.lang-page p{color:#fff}.logo-block{display:flex;flex-direction:column;align-items:center;gap:12px;background:#fff;padding:20px}.logo-placeholder{width:140px;height:70px;border-radius:12px;background:#dbeafe;display:grid;place-items:center;color:#2563eb;font-weight:700;font-size:14px}.brand-name{font-size:28px;font-weight:700;margin:0}.brand-logo{width:200px;height:auto}.brand-subtitle{margin:0;color:var(--muted);font-size:14px}.lang-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:8px;padding:20px}.lang-card{display:flex;flex-direction:column;align-items:center;gap:10px}.lang-button{width:100%;border:none;background:#fff;display:grid;place-items:center;cursor:pointer;transition:transform .15s ease,opacity .15s ease;padding:15px 0;border-radius:10px;font-family:var(--font-heading)}.lang-button:hover{transform:translateY(-2px)}.lang-button:active{transform:translateY(0);opacity:.9}.lang-icon-placeholder{width:64px;height:64px;border-radius:18px;background:#1f78c826}.lang-label{font-size:18px;color:#363636}.lang-footer{margin-top:8px;display:grid;gap:8px;text-align:center;color:#374151;font-size:16px}.lang-flag-wrap{width:100%;flex:1;display:flex;align-items:center;justify-content:center;flex-direction:column}.lang-flag{width:100%;height:100%;max-height:70px;margin:20px 0;object-fit:contain;display:block}.tour-list-page{display:grid;gap:18px}.tour-header{display:grid;gap:14px;background:#fff;padding:20px 20px 10px}.tour-header-top{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:12px}.icon-btn{width:44px;height:44px;border-radius:999px;display:grid;place-items:center;font-size:20px;color:var(--primary);background:#f4f4f4}.icon-img{width:25px;height:25px;display:block}.tour-brand{text-align:center;min-width:0}.tour-brand p{text-transform:uppercase}.tour-brand-name{margin:0;font-weight:700;font-size:16px}.tour-brand-subtitle{margin:2px 0 0;font-size:12px;color:var(--muted)}.tour-view-toggle{display:flex;justify-content:space-between;align-items:center;gap:12px}.view-tab{border:none;border-radius:999px;padding:10px 14px;background:#f4f4f4;color:#374151;font-weight:600;cursor:pointer;min-width:92px;text-align:center}.view-tab.is-active{background:var(--primary);color:#fff}.view-tab:disabled{opacity:.7;cursor:not-allowed}.tour-now-passing{background:#eef6ff;border:1px solid #dbeafe;border-radius:14px;padding:12px 14px}.now-passing-label{margin:0;font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:#1d4ed8}.now-passing-name{margin:4px 0 0;font-weight:700;font-size:16px}.hotspot-list{display:grid;gap:14px;padding:10px 20px}.hotspot-card{display:grid;grid-template-columns:112px 1fr;gap:12px;align-items:start;background:#fff;padding:10px;box-shadow:0 1px 2px #0000002e}.hotspot-card-image-wrap{position:relative}.hotspot-card-image,.hotspot-card-image-placeholder{width:112px;height:112px;object-fit:cover;background:#dbeafe}.hotspot-card-image-placeholder{display:grid;place-items:center;color:#2563eb;font-weight:700;font-size:14px}.hotspot-number-badge{position:absolute;top:8px;left:8px;width:28px;height:28px;border-radius:999px;background:var(--primary);color:#fff;font-weight:700;font-size:14px;display:grid;place-items:center;box-shadow:0 1px 2px #0000002e}.hotspot-card-content{display:grid;gap:8px;align-content:start}.hotspot-card-title{margin:0;font-size:16px;line-height:1.2}.hotspot-card-description{margin:0;color:#4b5563;line-height:1.35;font-size:14px}.hotspot-card-link{justify-self:start;background:var(--primary);color:#fff;padding:8px 30px;border-radius:999px;font-weight:600;font-size:15px}.hotspot-detail-page{display:grid;gap:18px;padding:20px;background-color:#fff}.hotspot-detail-header{display:grid;grid-template-columns:auto 1fr;gap:12px;align-items:center}.hotspot-detail-title-wrap{min-width:0}.hotspot-detail-index{margin:0;color:var(--primary);font-weight:700;font-size:14px}.hotspot-detail-title{margin:2px 0 0;font-size:28px;line-height:1.15}.hotspot-hero{overflow:hidden;background:#fff;padding:10px;box-shadow:0 1px 2px #0000002e}.polaroid{transform-origin:center}.hotspot-hero-image,.hotspot-hero-placeholder{width:100%;aspect-ratio:16 / 9;object-fit:cover;background:#dbeafe}.hotspot-hero-placeholder{display:grid;place-items:center;color:#2563eb;font-weight:700;font-size:18px}.hotspot-audio-section,.hotspot-text-section{background:#fff;border-radius:18px;padding:14px 5px}.hotspot-section-title{margin:0 0 10px;font-size:16px}.hotspot-audio-player{display:grid}.hotspot-native-audio{width:100%}.hotspot-full-text{margin:0;color:#374151;line-height:1.6;white-space:pre-line;text-align:justify}.hotspot-pagination{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:20px}.hotspot-nav-btn{display:inline-flex;align-items:center;gap:10px;padding:15px 10px;border-radius:10px;justify-content:center}.hotspot-nav-btn-primary{background:var(--primary);color:#fff}.hotspot-nav-btn-secondary{background:#e5e7eb;color:#1f2937}.hotspot-nav-btn-disabled{background:#f3f4f6;color:#9ca3af;cursor:not-allowed}.nav-arrow{width:18px;height:18px;display:block}.hotspot-nav-btn-disabled .nav-arrow{opacity:.45}.map-legend-corner{position:absolute;top:12px;left:12px;z-index:50;display:flex;align-items:center;gap:4px;padding:10px;border-radius:5px;background:#ffffffeb;box-shadow:0 4px 12px #0000001f;font-weight:400;font-size:13px;color:#0b2a4a}.map-legend-icon{width:22px;height:22px;object-fit:contain;display:block}.map-legend-text{line-height:1}.map-start-icon{position:absolute;z-index:100;transform:translate(-50%,-50%);display:flex;align-items:center;justify-content:center;border-radius:999px}.map-start-icon.map-marker{background:transparent!important;border:none!important;box-shadow:none!important;padding:0!important;width:auto;height:auto;z-index:100}.map-start-icon img{width:40px;height:40px;object-fit:contain;display:block}.tour-map-page{display:grid;gap:18px}.view-tab-link{text-decoration:none;display:inline-flex}.map-tap-hint{margin:0;font-size:13px;color:var(--muted);text-align:center}.route-map-card{background:#fff;border-radius:18px;padding:10px;margin:10px 25px;box-shadow:0 1px 3px #0000000f}.route-map-canvas{position:relative;width:100%;aspect-ratio:3 / 5;border-radius:16px;background:#dbeeff;overflow:hidden;border:1px solid #cfe5fb}.route-map-image{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.route-map-watermark{position:absolute;inset:0;display:grid;place-items:center;color:#1f78c840;font-weight:700;letter-spacing:.08em;font-size:18px;text-align:center;padding:20px}.map-marker{position:absolute;transform:translate(-50%,-50%);width:34px;height:34px;border-radius:999px;background:var(--primary);color:#fff;display:grid;place-items:center;font-weight:700;font-size:14px;border:2px solid white;box-shadow:0 2px 5px #0003}.map-marker:hover{transform:translate(-50%,-50%) scale(1.05)}.extra-audio-card{background:#fff;padding:20px;display:grid;gap:10px}.extra-audio-title{margin:0;font-size:18px;text-align:center}.extra-audio-text{margin:0;color:#4b5563;font-size:14px;line-height:1.4;text-align:center}.route-map-card{position:relative}.route-map-viewport{position:relative;width:100%;aspect-ratio:3 / 5;overflow:hidden;border-radius:16px;background:#dbeeff;touch-action:pan-y}.route-map-zoom-layer{position:absolute;inset:0;transform-origin:0 0;touch-action:pan-y}.route-map-image{width:100%;height:100%;object-fit:cover;display:block}.map-marker{position:absolute;transform:translate(-50%,-50%);transform-origin:center;z-index:2}.map-zoom-controls{position:absolute;right:20px;bottom:25px;display:grid;gap:5px}.zoom-btn{width:35px;height:35px;border-radius:999px;border:none;background:#fff;color:var(--primary);font-size:18px;font-weight:700;display:grid;place-items:center;box-shadow:0 1px 3px #0000000f}.route-map-viewport{touch-action:none}