:root{color-scheme:light;--paper: #fffaf2;--ink: #20302c;--muted: #66736d;--line: #ded6c9;--forest: #274c43;--clay: #c85f45;--water: #2f6f7b;--sun: #d7a65f;font-family:Inter,Noto Sans SC,PingFang SC,Microsoft YaHei,system-ui,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);line-height:1.7}a{color:inherit;text-decoration-color:color-mix(in srgb,var(--clay),transparent 30%);text-underline-offset:.2em}img{display:block;max-width:100%}.site-shell{width:min(1120px,calc(100% - 32px));margin:0 auto}.site-header{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:24px 0;border-bottom:1px solid var(--line)}.brand{flex:0 0 auto;font-size:1.05rem;font-weight:800;text-decoration:none}.nav{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:16px;min-width:0;color:var(--muted);font-size:.95rem}.hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,.72fr);gap:40px;align-items:center;padding:56px 0 42px}.eyebrow{margin:0 0 12px;color:var(--clay);font-weight:800;letter-spacing:0}h1,h2,h3,p{overflow-wrap:anywhere}h1{max-width:680px;margin:0;font-size:clamp(2.15rem,4.4vw,4rem);line-height:1.08;letter-spacing:0}h2{margin:0 0 18px;font-size:clamp(1.45rem,2.2vw,1.72rem);line-height:1.15}h3{margin:0 0 8px;font-size:1.1rem}.lead{max-width:650px;margin:22px 0 0;color:var(--muted);font-size:clamp(1rem,1.55vw,1.08rem)}.hero-note-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}.hero-note-list span{padding:6px 10px;border:1px solid color-mix(in srgb,var(--water),transparent 62%);border-radius:999px;background:color-mix(in srgb,var(--water),transparent 92%);color:var(--forest);font-size:.88rem;font-weight:800}.hero-image{overflow:hidden;border:1px solid var(--line);border-radius:8px;background:linear-gradient(135deg,color-mix(in srgb,white,var(--paper) 18%),#f3eadc);box-shadow:0 18px 42px color-mix(in srgb,var(--ink),transparent 88%)}.hero-image img{width:100%;aspect-ratio:14 / 9;object-fit:cover}.section{padding:38px 0;border-top:1px solid var(--line)}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.card{min-height:100%;padding:20px;border:1px solid var(--line);border-radius:8px;background:color-mix(in srgb,white,var(--paper) 35%)}.meta{color:var(--muted);font-size:.92rem}.tag-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}.tag{padding:4px 10px;border:1px solid var(--line);border-radius:999px;color:var(--forest);font-size:.85rem}.photo-strip{display:grid;grid-template-columns:1.3fr 1fr .8fr;gap:12px;min-height:220px}.photo-tile{display:flex;align-items:end;min-height:220px;padding:18px;border-radius:8px;background:var(--forest);color:#fff;font-weight:800}.photo-tile:nth-child(2){background:var(--water)}.photo-tile:nth-child(3){background:var(--sun);color:var(--ink)}.article{max-width:760px;padding:44px 0 72px}.article img{margin:28px 0;border-radius:8px}.trip-photo{width:100%;height:auto;object-fit:contain}.trip-photo-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr));gap:14px}.trip-photo-grid .trip-photo{margin:0;border:1px solid var(--line);background:color-mix(in srgb,white,var(--paper) 28%)}.article-body{margin-top:32px;font-size:1.08rem}.site-footer{padding:28px 0 40px;border-top:1px solid var(--line);color:var(--muted);font-size:.92rem}.auth-page-body{min-height:100vh;background:linear-gradient(90deg,color-mix(in srgb,var(--forest),black 14%) 0%,transparent 62%),var(--paper)}.auth-shell{position:relative;display:grid;grid-template-columns:minmax(0,1fr) minmax(360px,520px);min-height:100vh;overflow:hidden}.auth-visual{position:absolute;inset:0;z-index:0}.auth-visual img{width:100%;height:100%;object-fit:cover}.auth-visual:after{position:absolute;inset:0;background:linear-gradient(90deg,color-mix(in srgb,var(--forest),black 16%) 0%,transparent 48%),linear-gradient(0deg,color-mix(in srgb,var(--paper),transparent 4%) 0%,transparent 52%);content:""}.auth-card{position:relative;z-index:1;grid-column:2;align-self:stretch;display:grid;align-content:center;gap:18px;min-height:100vh;padding:clamp(28px,5vw,64px);border-left:1px solid color-mix(in srgb,white,transparent 58%);background:color-mix(in srgb,var(--paper),white 72%);box-shadow:-18px 0 60px color-mix(in srgb,var(--ink),transparent 82%)}.auth-brand{width:max-content;color:var(--forest);font-weight:900;text-decoration:none}.auth-card h1{font-size:clamp(2rem,4.4vw,3.5rem)}.auth-card .lead{margin-top:0}.auth-form{display:grid;gap:16px;margin-top:10px}.auth-form .button-row{margin-top:4px}.auth-message{min-height:1.6em;margin:0}.dashboard-shell{display:grid;grid-template-columns:220px minmax(0,1fr);gap:28px;padding:36px 0 64px}.dashboard-nav{display:flex;flex-direction:column;gap:8px;align-self:start;padding:14px;border:1px solid var(--line);border-radius:8px;background:color-mix(in srgb,white,var(--paper) 30%)}.dashboard-nav a{padding:9px 10px;border-radius:6px;color:var(--muted);font-weight:700;text-decoration:none}.dashboard-nav a:hover,.dashboard-nav a:focus-visible{background:color-mix(in srgb,var(--water),transparent 88%);color:var(--forest)}.dashboard-main{min-width:0}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.field{display:grid;gap:7px}.field label{color:var(--forest);font-weight:800}.field input,.field textarea,.field select{width:100%;min-height:44px;padding:10px 12px;border:1px solid var(--line);border-radius:8px;background:color-mix(in srgb,white,var(--paper) 18%);color:var(--ink);font:inherit}.field textarea{min-height:140px;resize:vertical}.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--water);outline:3px solid color-mix(in srgb,var(--water),transparent 78%)}.button-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:20px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:9px 16px;border:1px solid var(--forest);border-radius:8px;background:var(--forest);color:#fff;font:inherit;font-weight:800;line-height:1.2;text-decoration:none;cursor:pointer}.button:hover,.button:focus-visible{background:color-mix(in srgb,var(--forest),black 10%)}.button.secondary{border-color:var(--line);background:transparent;color:var(--forest)}.button.secondary:hover,.button.secondary:focus-visible{background:color-mix(in srgb,var(--sun),transparent 82%)}.button.danger{border-color:var(--clay);background:var(--clay)}.button.danger:hover,.button.danger:focus-visible{background:color-mix(in srgb,var(--clay),black 10%)}.inline-form{margin:0}.admin-table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:8px;background:color-mix(in srgb,white,var(--paper) 28%)}.admin-table{width:100%;min-width:680px;border-collapse:collapse}.admin-table th,.admin-table td{padding:13px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}.admin-table th{color:var(--forest);font-size:.9rem}.admin-table tr:last-child td{border-bottom:0}.admin-table code{font-size:.9rem;overflow-wrap:anywhere}.admin-table input,.admin-table select{width:100%;min-height:40px;padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:color-mix(in srgb,white,var(--paper) 14%);color:var(--ink);font:inherit}.admin-inline-form{margin:0}.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.footprint-map{display:grid;gap:22px}.footprint-geo-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,340px);gap:18px;align-items:stretch}.footprint-map-surface{display:grid;grid-template-rows:auto minmax(420px,58vw) auto;min-width:0;overflow:hidden;border:1px solid var(--line);border-radius:8px;background:linear-gradient(135deg,color-mix(in srgb,var(--water),transparent 92%),transparent 42%),#fff}.footprint-map-toolbar{display:flex;justify-content:space-between;gap:14px;align-items:flex-start;padding:16px 18px 0}.footprint-map-toolbar h3,.footprint-map-toolbar .meta{margin:0}.map-reset-button{flex:0 0 auto;min-height:36px;padding:7px 12px;border:1px solid var(--line);border-radius:8px;background:color-mix(in srgb,white,var(--paper) 20%);color:var(--forest);font:inherit;font-size:.9rem;font-weight:800;cursor:pointer}.map-reset-button:hover,.map-reset-button:focus-visible{border-color:var(--water);outline:3px solid color-mix(in srgb,var(--water),transparent 82%)}.footprint-echarts-map{width:100%;min-height:420px}.footprint-map-status{margin:0;padding:0 18px 16px;color:var(--muted);font-size:.86rem}.footprint-panel{display:grid;gap:16px;align-content:start;padding:18px;border:1px solid var(--line);border-radius:8px;background:color-mix(in srgb,white,var(--paper) 24%)}.footprint-stat-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.footprint-stat-row div{min-width:0;padding:10px;border:1px solid var(--line);border-radius:8px;background:#fff}.footprint-stat-row strong,.footprint-stat-row span{display:block}.footprint-stat-row strong{color:var(--clay);font-size:1.45rem;line-height:1.1}.footprint-stat-row span{color:var(--muted);font-size:.82rem}.footprint-density{display:grid;gap:6px}.footprint-density .meta{margin:0}.footprint-density-bar{display:grid;grid-template-columns:repeat(4,1fr);overflow:hidden;height:12px;border-radius:999px;border:1px solid var(--line)}.footprint-density-bar span:nth-child(1){background:#f3eee5}.footprint-density-bar span:nth-child(2){background:#f5cfc2}.footprint-density-bar span:nth-child(3){background:#ee9a85}.footprint-density-bar span:nth-child(4){background:#dd725f}.footprint-density-labels{display:flex;justify-content:space-between;color:var(--muted);font-size:.78rem}.footprint-current-region{display:grid;gap:6px}.footprint-current-region h3,.footprint-current-region p{margin:0}.region-list{display:grid;gap:10px;max-height:430px;overflow-y:auto;padding-right:4px}.region-list-item{display:grid;gap:7px;width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);font:inherit;text-align:left}.region-list-item:is(button){cursor:pointer}.region-list-item:is(button):hover,.region-list-item:is(button):focus-visible,.region-list-item.is-visited{border-color:color-mix(in srgb,var(--water),transparent 45%);background:color-mix(in srgb,var(--water),transparent 90%)}.region-list-item span,.region-trip-links{display:grid;gap:2px}.region-list-item strong{line-height:1.25}.region-list-item small{color:var(--muted);font-size:.84rem}.region-list-item i{display:block;width:100%;height:6px;overflow:hidden;border-radius:999px;background:color-mix(in srgb,var(--line),white 28%)}.region-list-item i:before{display:block;width:var(--region-progress);height:100%;border-radius:inherit;background:linear-gradient(90deg,#f5cfc2,#dd725f);content:""}.region-trip-links a{font-size:.88rem;font-weight:800}.footprint-city-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.footprint-card{min-width:0;padding:18px;border:1px solid var(--line);border-radius:8px;background:color-mix(in srgb,white,var(--paper) 28%)}.footprint-card-header{display:flex;justify-content:space-between;gap:16px;align-items:flex-start}.author-swatch-list{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:6px;max-width:112px}.author-swatch{width:14px;height:14px;border:2px solid white;border-radius:999px;background:var(--swatch-color, var(--water));box-shadow:0 0 0 1px color-mix(in srgb,var(--forest),transparent 70%)}.footprint-trip-list{display:grid;gap:12px;margin:16px 0 0;padding:0;list-style:none}.footprint-trip-list li{display:grid;gap:2px;padding-top:12px;border-top:1px solid var(--line)}.footprint-trip-list a{font-weight:800}@media(max-width:820px){.site-header,.hero{grid-template-columns:1fr}.site-header{align-items:flex-start;flex-direction:column;gap:12px}.nav{justify-content:flex-start;gap:8px 14px}.hero{gap:26px;padding:42px 0 34px}.hero h1{font-size:clamp(2rem,10vw,3rem)}.grid,.photo-strip,.footprint-geo-layout,.footprint-city-grid,.dashboard-shell,.form-grid{grid-template-columns:1fr}.auth-shell{display:block;min-height:100vh}.auth-card{min-height:100vh;border-left:0;background:color-mix(in srgb,var(--paper),white 80%)}.dashboard-nav{flex-direction:row;flex-wrap:wrap}}