/* Map first. One exploration sheet; one contextual detail, never stacked. */
:root{--panel:#102e34f5;--line:#d7e4d42b;--gold:#f0cd89;font-size:14px}
button,a{ -webkit-tap-highlight-color:transparent}button{min-height:44px}button:active,a:active{transform:scale(.98)}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--gold);outline-offset:3px}
header{top:24px;left:30px;right:30px;z-index:8}.brand{font-size:12px}.brand small{display:inline}.home-button{background:#15353def;border:1px solid #d3e2d650;padding:0 18px;border-radius:10px;font-size:13px;box-shadow:0 4px 16px #142f3820}.home-button:hover{background:#31524d}
.title{top:105px;left:32px}.title h1{font-family:inherit;font-weight:500;font-size:30px;line-height:1.3;letter-spacing:.01em;margin:10px 0 20px}.metrics{gap:28px;margin:0}.metrics b{font-size:21px}.metrics div>span{font-size:10px}.eyebrow{font-size:9px}.pinchau-entry{position:fixed;z-index:4;left:32px;top:251px;display:flex;gap:16px;align-items:center;padding:15px 20px 15px 15px;background:#183a40e8;border:1px solid #eacb8b69;border-radius:12px;min-height:76px;min-width:226px}.pinchau-entry:hover{background:#284b4c}.pinchau-entry small{display:block;color:#b7cfc4;font-size:10px;margin-bottom:7px}.pinchau-entry b{font-size:17px;font-weight:500;letter-spacing:.06em}.pinchau-entry em{font-style:normal;color:var(--gold);margin-left:20px}.cliff-symbol{display:flex;align-items:end;height:39px;gap:2px;transform:skewY(-7deg)}.cliff-symbol i{display:block;width:7px;height:28px;background:#c6bea0;border-right:2px solid #8e9279}.cliff-symbol i:nth-child(2){height:35px}.cliff-symbol i:nth-child(3){height:39px}.cliff-symbol i:nth-child(4){height:34px}.cliff-symbol i:nth-child(5){height:21px}
.map-hint{position:fixed;z-index:2;bottom:117px;left:50%;transform:translateX(-50%);font-size:12px;color:#d2e2d7;text-shadow:0 1px 5px #163940;pointer-events:none;white-space:nowrap}.compass,.controls~.compass{right:36px;bottom:120px;z-index:2}.main-dock{position:fixed;z-index:8;left:50%;bottom:36px;transform:translateX(-50%);display:grid;grid-template-columns:repeat(3,1fr);gap:4px;padding:6px;border-radius:15px;width:440px;max-width:calc(100% - 28px);box-shadow:0 8px 30px #071e3330}.main-dock button{border-radius:10px;min-height:54px;font-size:13px;display:flex;align-items:center;justify-content:center;gap:8px;white-space:nowrap}.main-dock button>span{font-size:22px;color:var(--gold)}.main-dock button[aria-expanded=true]{background:#d4dfb6;color:#244335}.main-dock button[aria-expanded=true]>span{color:#244335}.main-dock button:hover{background:#d4dfb624}.main-dock button[aria-expanded=true]:hover{background:#d4dfb6}
.explorer-sheet{position:fixed;z-index:6;left:30px;top:90px;bottom:112px;width:380px;max-width:calc(100% - 40px);overflow:auto;overscroll-behavior:contain;padding:0 20px 22px;border-radius:16px;box-shadow:0 12px 50px #08252c40;scrollbar-width:thin;scrollbar-color:#648379 transparent}.sheet-heading{display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;background:#102e34;z-index:2;padding:10px 0}.sheet-heading h2{font-size:18px;font-weight:500;margin:0}.sheet-heading>button,.close-detail{font-size:25px;min-width:44px;min-height:44px;color:#cfe1d5}.sheet-grip{display:none}.explore-tabs{display:grid;grid-template-columns:1fr 1fr 1.3fr;border-bottom:1px solid var(--line);margin-bottom:16px}.explore-tabs button{font-size:13px;border-bottom:2px solid transparent;color:#adc6b9}.explore-tabs button[aria-pressed=true]{border-color:var(--gold);color:var(--gold)}.hint{font-size:12px;line-height:1.7;margin:4px 0 16px}.places{position:static;display:block;background:none;border:0;padding:0;width:100%;overflow:visible;margin:0}.places .place-row,.service-row{display:flex;align-items:center;justify-content:space-between;width:100%;padding:15px 3px;border-radius:0;border-bottom:1px solid var(--line);text-align:left;min-height:68px}.place-row>span:first-child,.service-row>span:first-child{display:flex;flex-direction:column;gap:7px}.place-row b,.service-row b{font-weight:500;font-size:15px}.place-row small,.service-row small{font-size:11px;color:#a8c3b6}.places button:hover,.service-row:hover{background:#bdd6be12}.places button.active{color:var(--gold);background:#bdd6be0a}.service-row>span:last-child{font-size:11px;color:var(--gold);padding-left:10px}.service-filters{display:flex;gap:6px;margin:4px 0 12px}.service-filters button{font-size:12px;flex:1;border:1px solid var(--line);border-radius:8px;min-height:40px}.service-filters button[aria-pressed=true]{color:#183731;background:#d4dfb6;border-color:#d4dfb6}
#post-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}#post-grid button{font-size:14px;padding:10px 0;min-height:46px;border-radius:8px}.controls{position:static;width:100%;padding:0;background:none;border:0;backdrop-filter:none}.controls h3{font-size:13px;color:var(--muted);font-weight:400;margin:10px 0 20px}.range-label{font-size:13px;margin-top:18px}input[type=range]{height:6px;margin:20px 0 24px}.toggle{font-size:13px;height:48px}.toggle input{height:44px;width:44px}.toggle i{width:34px;height:20px}.toggle i:before{width:14px;height:14px}.toggle input:checked+i:before{transform:translateX(14px)}.watch-buttons{gap:8px}.watch-buttons button{font-size:12px;min-height:44px;border-radius:8px}.outline-button,.about-button{font-size:13px;min-height:46px;border-radius:8px}.about-button{display:block;width:100%;color:var(--gold);margin-top:20px;text-align:left}.simulation-note{font-size:11px;line-height:1.7}
.profile{position:static;min-width:0;max-width:none;width:100%;padding:8px 0 16px;border:0;background:none;backdrop-filter:none}.profile-top{gap:4px}.profile-top>div{display:none}#cursor-info{font-size:13px}#profile-toggle{min-width:44px}#profile-canvas{height:155px;margin:5px 0 12px}.profile-axis{font-size:9px}.profile-source{font-size:10px;line-height:1.7;margin-top:10px}.tour{position:static;display:grid;grid-template-columns:44px 1fr 72px;gap:16px 10px;max-width:none;right:auto;left:auto;height:auto;width:100%;padding:16px 0;border:0;border-top:1px solid var(--line);background:none;backdrop-filter:none}#play{width:44px;height:44px;font-size:18px;border-radius:10px}.tour-copy strong{font-size:13px}.tour-copy span{font-size:11px}.tour input[type=range]{grid-column:1/-1;grid-row:2;margin:6px 0 8px;min-height:20px}#tour-speed{grid-column:3;grid-row:1;min-height:44px;font-size:13px}.follow{grid-column:1/-1;font-size:13px;display:flex;min-height:36px}.follow input{width:20px;height:20px;margin-right:8px}
.detail-card{position:fixed;z-index:6;right:30px;bottom:112px;width:370px;max-height:calc(100dvh - 205px);padding:24px;border-radius:16px;overflow:auto;overscroll-behavior:contain;scrollbar-width:thin}.close-detail{position:absolute;right:8px;top:7px}.station-detail{padding:0;border:0;margin:0}.station-id{display:block;padding-right:25px}.station-id b{font-family:inherit;font-size:21px;line-height:1.4;font-weight:500}.station-id span{display:block;font-size:11px;margin-top:8px;color:#a9c6b6}.detail-content{margin-top:16px}#post-desc{font-size:13px;line-height:1.85;margin:0 0 12px}#post-meta{font-size:11px;line-height:1.9;color:#a2bdaf;clear:both}#post-preview{width:76px;border-radius:4px;float:left;margin:0 15px 10px 0}#post-actions{display:grid;grid-template-columns:1fr 1.35fr 1fr;gap:5px;border-top:1px solid var(--line);padding-top:12px;margin-top:15px}#post-actions button{font-size:12px;min-height:44px;border:1px solid var(--line);border-radius:8px}#inspect-post{color:#233d31!important;background:var(--gold)}#guide-detail{font-size:12px;line-height:1.8}#guide-detail a{color:var(--gold);display:block;padding:9px 0;text-decoration:underline;text-underline-offset:3px;min-height:38px}#guide-detail .service-note{padding:12px;background:#c3d8b712;border-radius:8px;margin-top:12px}#guide-detail details{margin-top:14px;border-top:1px solid var(--line);padding-top:10px}#guide-detail summary{cursor:pointer;min-height:44px;display:flex;align-items:center;color:var(--gold)}.schedule-row{padding:10px 0;border-top:1px solid var(--line)}.schedule-row b{font-size:11px;display:block;color:#c3d6c8;margin-bottom:6px}.guide-date{font-size:10px;color:var(--muted);margin-top:16px}
.map-label{font-size:11px;min-height:34px;padding:7px 10px;border-radius:7px;background:#183a40e8}.map-label.post{font:11px -apple-system,sans-serif;min-height:32px;padding:6px 9px}.map-label.service{border-color:#c9e1b160}.map-label.service:before{background:#d1e4b5}.map-label.post.selected{color:#1b352b;background:var(--gold)}body[data-sheet-open=true] .pinchau-entry,body[data-sheet-open=true] .title{opacity:0;pointer-events:none}footer{bottom:9px;left:30px;right:30px;font-size:9px;gap:10px}.attribution{font-size:8px}.input-help{font-size:9px}#toast{top:83px;font-size:12px}dialog{border-radius:15px}dialog p{font-size:13px}#close-dialog{min-width:44px;min-height:44px}.sources a,.data-download{font-size:12px;min-height:38px}
@media(max-width:700px){header{left:16px;right:16px;top:calc(12px + env(safe-area-inset-top))}.brand{font-size:11px}.brand small{display:none}.brand>span{font-size:23px}.home-button{font-size:12px;padding:0 12px;min-height:44px}.title{left:20px;top:calc(83px + env(safe-area-inset-top))}.title h1{font-size:25px;margin:8px 0 13px}.eyebrow{font-size:8px}.metrics{gap:23px}.metrics b{font-size:19px}.metrics div>span{font-size:9px}.pinchau-entry{left:20px;top:calc(204px + env(safe-area-inset-top));min-height:61px;min-width:193px;padding:10px 13px;gap:12px;border-radius:10px}.pinchau-entry small{font-size:9px;margin-bottom:5px}.pinchau-entry b{font-size:15px}.cliff-symbol{height:32px;transform:scale(.83) skewY(-7deg);transform-origin:center}.pinchau-entry em{margin-left:14px}.main-dock{bottom:calc(22px + env(safe-area-inset-bottom));width:calc(100% - 28px);padding:5px;border-radius:15px;gap:3px}.main-dock button{min-height:56px;font-size:12px;flex-direction:column;gap:3px}.main-dock button>span{font-size:19px;line-height:20px}.map-hint{bottom:calc(106px + env(safe-area-inset-bottom));font-size:11px}.compass{right:22px;bottom:calc(134px + env(safe-area-inset-bottom));font-size:9px}.explorer-sheet{left:10px;right:10px;top:auto;bottom:calc(98px + env(safe-area-inset-bottom));width:auto;max-width:none;max-height:min(65dvh,calc(100dvh - 180px));padding:0 18px 20px;border-radius:18px}.sheet-grip{display:block;width:34px;height:4px;border-radius:6px;background:#adc4b65e;margin:10px auto 0;touch-action:none}.sheet-heading{padding:3px 0 8px}.sheet-heading h2{font-size:17px}.explore-tabs{margin-bottom:12px}.explore-tabs button{min-height:44px;font-size:13px}.hint{font-size:12px}#post-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}#post-grid button{min-height:48px;font-size:14px}.place-row b,.service-row b{font-size:15px}.service-row small,.place-row small{font-size:11px}.service-filters button{min-height:44px}.detail-card{left:10px;right:10px;bottom:calc(98px + env(safe-area-inset-bottom));width:auto;max-height:49dvh;padding:0 20px 20px;border-radius:18px}.detail-card .station-detail{margin-top:15px}.detail-card .sheet-grip{margin-top:10px}.station-id b{font-size:20px}#post-desc{font-size:13px}.close-detail{top:11px;right:7px}.detail-content{margin-top:13px}#post-meta{font-size:11px}#post-actions button{min-height:44px;font-size:12px}#post-preview{width:68px}#profile-canvas{height:125px}.profile-top #cursor-info{font-size:12px}.profile-source{font-size:10px}.profile-axis{font-size:8px}.toggle{height:48px;font-size:13px}.watch-buttons button{font-size:12px}.range-label{font-size:13px}.map-label{font-size:11px;min-height:44px;padding:6px 10px}.map-label.post{min-height:44px;font-size:11px}.map-label.service{min-height:44px}.attribution{font-size:6px;order:0;width:auto;margin:auto}.input-help{display:none}footer{left:12px;right:12px;bottom:calc(4px + env(safe-area-inset-bottom));gap:5px;flex-wrap:nowrap}#fps{font-size:7px}.simulation-note{font-size:11px}body[data-detail-open=true] .title,body[data-detail-open=true] .pinchau-entry{opacity:0;pointer-events:none}body[data-sheet-open=true] .map-hint,body[data-detail-open=true] .map-hint{display:none}}
@media(max-height:520px){.explorer-sheet{max-height:calc(100dvh - 150px);top:72px;bottom:82px}.detail-card{max-height:calc(100dvh - 155px);bottom:82px}.main-dock{bottom:12px}.main-dock button{min-height:44px;flex-direction:row}.title,.pinchau-entry{display:none}.map-hint{bottom:80px}footer{display:none}}
@media(prefers-reduced-motion:no-preference){.explorer-sheet,.detail-card{animation:panel-in .2s ease-out}@keyframes panel-in{from{opacity:0;translate:0 12px}to{opacity:1;translate:0 0}}}
.main-dock button[data-running=true]{color:var(--gold)}.main-dock button[data-running=true]:after{content:"播放中";font-size:9px;color:var(--gold)}
/* Practical planning inside the existing single detail sheet. */
.walk-plan{margin:16px 0 8px;border-top:1px solid #aac9bc28;padding-top:14px}.walk-plan h3,.nearby-points h3{font-size:13px;font-weight:600;color:#bdcfc1;margin:0 0 10px}.walk-card{display:flex;width:100%;flex-direction:column;align-items:flex-start;gap:7px;padding:13px 14px;margin:8px 0;background:#e9c78612;border:1px solid #e9c78629;border-radius:10px;text-align:left;color:#e5eadb;min-height:52px}.walk-card:hover{background:#e9c78622}.walk-card>span{font-size:12px;color:#bed1c5}.walk-card strong{font-size:20px;letter-spacing:-.02em;color:#f3d693;font-variant-numeric:tabular-nums}.walk-card small{font-size:11px;line-height:1.6;color:#b1c4b7}.walk-note{font-size:10px!important;line-height:1.65!important;color:#93aca2!important;margin:12px 0!important}.nearby-points{margin:16px 0}.nearby-points>button{display:flex;width:100%;flex-direction:column;gap:5px;text-align:left;padding:12px 0;border:0;border-bottom:1px solid #b1c5b626;background:none;color:#e2eadb;min-height:48px}.nearby-points small{font-size:11px;color:#a7bfb0}.nearby-points>button:hover{color:#f3d693}.service-notice{padding:12px;border-left:3px solid #e6bf75;background:#e6bf7512;line-height:1.7!important;font-size:12px!important;color:#f1d9ad!important}.bus-routes>div{display:flex;gap:14px;align-items:center;padding:12px 0;border-bottom:1px solid #b2c7b529}.bus-routes b{min-width:50px;font-size:20px;color:#f3d693}.bus-routes span{font-size:13px}.bus-routes small{display:block;font-size:10px;color:#a9c0b2;margin-top:5px}.map-label.meijing-label{border-color:#e8c274;color:#ffe3a1;background:#245348f0;font-weight:600}.map-label.entry-label{color:#f5d699;border-color:#b39457}.guide-date{overflow-wrap:anywhere}
body[data-map-focus="true"] .title{display:none}body[data-map-focus="true"] .pinchau-entry{display:none}.geology-link{display:block;padding:14px 0;color:#f2d392;min-height:44px}
/* TrailSeen: a quiet header entry and contextual, reachable lookout controls. */
.brand img{width:32px;height:32px}.brand b{font-size:18px;letter-spacing:.12em}.brand small{margin-left:3px;font-size:9px}.header-actions{display:flex;gap:8px}.ppc-button{border:1px solid #e5c6817a;background:#25463eeb;color:#ffe1a0;border-radius:9px;padding:0 16px;font-size:13px}.home-button{padding:0 14px}
#local-views{position:fixed;z-index:9;bottom:113px;left:50%;transform:translateX(-50%);display:flex;align-items:center;padding:5px;background:#173a3ff2;border:1px solid #c6dbc536;border-radius:12px;white-space:nowrap;box-shadow:0 4px 22px #17393b40}#local-views[hidden],#lookout-hint[hidden]{display:none}#local-views button{padding:0 16px;border-radius:8px;font-size:13px}#local-views button[aria-pressed=true]{background:#e9d7aa;color:#243d35}#local-info{color:#bcd0c2;border-left:1px solid #c6dbc52a!important}
#lookout-hint{position:fixed;z-index:3;top:100px;left:32px;text-shadow:0 1px 12px #152d3090;pointer-events:none}#lookout-hint b{display:block;font-size:23px;letter-spacing:.04em;font-weight:500}#lookout-hint span{display:block;margin-top:9px;font-size:12px;color:#ebeddd}.lookout-action{width:100%;cursor:pointer;margin:8px 0 18px;font-size:16px;text-align:left}
body[data-lookout=true]:before{background:linear-gradient(180deg,#10343955,transparent 28%,transparent 70%,#10343988)}body[data-lookout=true] .map-hint,body[data-lookout=true] .compass{display:none}body[data-map-focus=true] .map-hint{display:none}body[data-detail-open=true] #local-views{display:none}
@media(max-width:700px){header{top:max(14px,env(safe-area-inset-top));left:14px;right:14px}.brand{gap:6px}.brand img{width:28px;height:28px}.brand b{font-size:17px}.brand small{display:none}.header-actions{gap:6px}.ppc-button,.home-button{font-size:12px;padding:0 11px}#local-views{bottom:calc(102px + env(safe-area-inset-bottom));padding:4px;max-width:calc(100% - 28px)}#local-views button{font-size:12px;padding:0 11px;min-height:44px}#lookout-hint{top:92px;left:18px}#lookout-hint b{font-size:19px}#lookout-hint span{font-size:11px}body[data-lookout=true] #local-info{display:none}}

/* A live journey opens directly into follow mode; the profile is optional. */
.journey-heading{display:flex;align-items:center;gap:8px;padding:10px 0 12px}.journey-heading>div{flex:1;min-width:0}.journey-heading b{display:block;font-size:14px;font-weight:600}.journey-heading span{display:block;font-size:11px;color:#b8cfc3;margin-top:5px}.journey-heading button{min-width:48px;min-height:48px;border:1px solid var(--line);border-radius:9px;font-size:12px;padding:0 10px}#journey-exit{font-size:24px;border:0;padding:0;min-width:40px}
body[data-sheet-mode=journey] .sheet-heading,body[data-sheet-mode=journey] .sheet-grip{display:none}body[data-sheet-mode=journey] .explorer-sheet{top:auto;height:auto;max-height:65dvh;padding-bottom:12px}body[data-sheet-mode=journey] .profile{display:none}body[data-sheet-mode=journey] .explorer-sheet[data-journey-expanded=true] .profile{display:block}body[data-sheet-mode=journey] .title,body[data-sheet-mode=journey] .map-hint{display:none}
.tour{grid-template-columns:104px minmax(0,1fr) 78px;gap:8px 10px;padding:12px 0 0}.tour #play{width:104px;height:52px;font-size:16px;font-weight:600}.tour-copy strong{font-size:14px}.tour-copy span{font-size:12px}.tour #tour-speed{min-height:52px;font-size:15px}.tour .follow{grid-column:2/4;grid-row:3;justify-content:center;min-height:48px;border:1px solid #eacb8880;border-radius:9px;background:#c2d3aa18;font-size:15px;color:#fff0d1;margin:0}.tour .follow input{width:22px;height:22px}.tour .follow:has(input:not(:checked)){background:var(--gold);color:#183b32}.tour input[type=range]{height:28px;margin:3px 0;accent-color:var(--gold)}
.main-dock button[data-running=true][aria-expanded=true],.main-dock button[data-running=true][aria-expanded=true]:after{color:#244335}
@media(max-width:700px){body[data-sheet-mode=journey] .main-dock{display:none}body[data-sheet-mode=journey] .explorer-sheet{bottom:calc(22px + env(safe-area-inset-bottom));padding:0 14px 12px;max-height:min(58dvh,calc(100dvh - 130px));border-color:#c5d9c64d}body[data-sheet-mode=journey] .compass{bottom:260px}.journey-heading{padding-bottom:6px}.journey-heading b{font-size:13px}#journey-state{font-size:11px}.tour{grid-template-columns:104px minmax(0,1fr) 76px}.tour .follow{grid-column:1/-1;grid-row:3}.tour-copy strong{font-size:13px}.tour-copy span{font-size:11px}.tour #play{font-size:16px}.journey-heading button{min-height:44px}#profile-canvas{height:100px}.profile-source{font-size:9px}.profile-axis{font-size:8px}}
@media(max-width:700px){.tour .tour-copy{display:none}.tour .follow{grid-column:2;grid-row:1;min-height:52px;font-size:13px;gap:4px;white-space:normal}.tour .follow input{width:20px;height:20px;margin:0}.tour{grid-template-columns:100px minmax(0,1fr) 70px;gap:6px 8px}.tour #play{width:100px}.tour input[type=range]{margin:2px 0}.journey-heading{padding-top:8px}.journey-heading button{padding:0 8px}}
@media(max-width:700px){body[data-sheet-mode=journey] .profile{padding:2px 0 6px}body[data-sheet-mode=journey] .profile-top,body[data-sheet-mode=journey] .profile-source{display:none}body[data-sheet-mode=journey] #profile-canvas{height:80px;margin:0 0 5px}body[data-sheet-mode=journey] .profile-axis{margin:0}}