/* Leaflet 1.9.4 (BSD-2) */
.leaflet-pane,.leaflet-tile,.leaflet-marker-icon,.leaflet-marker-shadow,.leaflet-tile-container,.leaflet-pane > svg,.leaflet-pane > canvas,.leaflet-zoom-box,.leaflet-image-layer,.leaflet-layer {position: absolute;left: 0;top: 0;}.leaflet-container {overflow: hidden;}.leaflet-tile,.leaflet-marker-icon,.leaflet-marker-shadow {-webkit-user-select: none;-moz-user-select: none;user-select: none;-webkit-user-drag: none;}.leaflet-tile::selection {background: transparent;}.leaflet-safari .leaflet-tile {image-rendering: -webkit-optimize-contrast;}.leaflet-safari .leaflet-tile-container {width: 1600px;height: 1600px;-webkit-transform-origin: 0 0;}.leaflet-marker-icon,.leaflet-marker-shadow {display: block;}.leaflet-container .leaflet-overlay-pane svg {max-width: none !important;max-height: none !important;}.leaflet-container .leaflet-marker-pane img,.leaflet-container .leaflet-shadow-pane img,.leaflet-container .leaflet-tile-pane img,.leaflet-container img.leaflet-image-layer,.leaflet-container .leaflet-tile {max-width: none !important;max-height: none !important;width: auto;padding: 0;}.leaflet-container img.leaflet-tile {mix-blend-mode: plus-lighter;}.leaflet-container.leaflet-touch-zoom {-ms-touch-action: pan-x pan-y;touch-action: pan-x pan-y;}.leaflet-container.leaflet-touch-drag {-ms-touch-action: pinch-zoom;touch-action: none;touch-action: pinch-zoom;}.leaflet-container.leaflet-touch-drag.leaflet-touch-zoom {-ms-touch-action: none;touch-action: none;}.leaflet-container {-webkit-tap-highlight-color: transparent;}.leaflet-container a {-webkit-tap-highlight-color: rgba(51, 181, 229, 0.4);}.leaflet-tile {filter: inherit;visibility: hidden;}.leaflet-tile-loaded {visibility: inherit;}.leaflet-zoom-box {width: 0;height: 0;-moz-box-sizing: border-box;box-sizing: border-box;z-index: 800;}.leaflet-overlay-pane svg {-moz-user-select: none;}.leaflet-pane         { z-index: 400; }.leaflet-tile-pane    { z-index: 200; }.leaflet-overlay-pane { z-index: 400; }.leaflet-shadow-pane  { z-index: 500; }.leaflet-marker-pane  { z-index: 600; }.leaflet-tooltip-pane   { z-index: 650; }.leaflet-popup-pane   { z-index: 700; }.leaflet-map-pane canvas { z-index: 100; }.leaflet-map-pane svg    { z-index: 200; }.leaflet-vml-shape {width: 1px;height: 1px;}.lvml {behavior: url(#default#VML);display: inline-block;position: absolute;}.leaflet-control {position: relative;z-index: 800;pointer-events: visiblePainted;pointer-events: auto;}.leaflet-top,.leaflet-bottom {position: absolute;z-index: 1000;pointer-events: none;}.leaflet-top {top: 0;}.leaflet-right {right: 0;}.leaflet-bottom {bottom: 0;}.leaflet-left {left: 0;}.leaflet-control {float: left;clear: both;}.leaflet-right .leaflet-control {float: right;}.leaflet-top .leaflet-control {margin-top: 10px;}.leaflet-bottom .leaflet-control {margin-bottom: 10px;}.leaflet-left .leaflet-control {margin-left: 10px;}.leaflet-right .leaflet-control {margin-right: 10px;}.leaflet-fade-anim .leaflet-popup {opacity: 0;-webkit-transition: opacity 0.2s linear;-moz-transition: opacity 0.2s linear;transition: opacity 0.2s linear;}.leaflet-fade-anim .leaflet-map-pane .leaflet-popup {opacity: 1;}.leaflet-zoom-animated {-webkit-transform-origin: 0 0;-ms-transform-origin: 0 0;transform-origin: 0 0;}svg.leaflet-zoom-animated {will-change: transform;}.leaflet-zoom-anim .leaflet-zoom-animated {-webkit-transition: -webkit-transform 0.25s cubic-bezier(0,0,0.25,1);-moz-transition:    -moz-transform 0.25s cubic-bezier(0,0,0.25,1);transition:         transform 0.25s cubic-bezier(0,0,0.25,1);}.leaflet-zoom-anim .leaflet-tile,.leaflet-pan-anim .leaflet-tile {-webkit-transition: none;-moz-transition: none;transition: none;}.leaflet-zoom-anim .leaflet-zoom-hide {visibility: hidden;}.leaflet-interactive {cursor: pointer;}.leaflet-grab {cursor: -webkit-grab;cursor:    -moz-grab;cursor:         grab;}.leaflet-crosshair,.leaflet-crosshair .leaflet-interactive {cursor: crosshair;}.leaflet-popup-pane,.leaflet-control {cursor: auto;}.leaflet-dragging .leaflet-grab,.leaflet-dragging .leaflet-grab .leaflet-interactive,.leaflet-dragging .leaflet-marker-draggable {cursor: move;cursor: -webkit-grabbing;cursor:    -moz-grabbing;cursor:         grabbing;}.leaflet-marker-icon,.leaflet-marker-shadow,.leaflet-image-layer,.leaflet-pane > svg path,.leaflet-tile-container {pointer-events: none;}.leaflet-marker-icon.leaflet-interactive,.leaflet-image-layer.leaflet-interactive,.leaflet-pane > svg path.leaflet-interactive,svg.leaflet-image-layer.leaflet-interactive path {pointer-events: visiblePainted;pointer-events: auto;}.leaflet-container {background: #ddd;outline-offset: 1px;}.leaflet-container a {color: #0078A8;}.leaflet-zoom-box {border: 2px dotted #38f;background: rgba(255,255,255,0.5);}.leaflet-container {font-family: "Helvetica Neue", Arial, Helvetica, sans-serif;font-size: 12px;font-size: 0.75rem;line-height: 1.5;}.leaflet-bar {box-shadow: 0 1px 5px rgba(0,0,0,0.65);border-radius: 4px;}.leaflet-bar a {background-color: #fff;border-bottom: 1px solid #ccc;width: 26px;height: 26px;line-height: 26px;display: block;text-align: center;text-decoration: none;color: black;}.leaflet-bar a,.leaflet-control-layers-toggle {background-position: 50% 50%;background-repeat: no-repeat;display: block;}.leaflet-bar a:hover,.leaflet-bar a:focus {background-color: #f4f4f4;}.leaflet-bar a:first-child {border-top-left-radius: 4px;border-top-right-radius: 4px;}.leaflet-bar a:last-child {border-bottom-left-radius: 4px;border-bottom-right-radius: 4px;border-bottom: none;}.leaflet-bar a.leaflet-disabled {cursor: default;background-color: #f4f4f4;color: #bbb;}.leaflet-touch .leaflet-bar a {width: 30px;height: 30px;line-height: 30px;}.leaflet-touch .leaflet-bar a:first-child {border-top-left-radius: 2px;border-top-right-radius: 2px;}.leaflet-touch .leaflet-bar a:last-child {border-bottom-left-radius: 2px;border-bottom-right-radius: 2px;}.leaflet-control-zoom-in,.leaflet-control-zoom-out {font: bold 18px 'Lucida Console', Monaco, monospace;text-indent: 1px;}.leaflet-touch .leaflet-control-zoom-in, .leaflet-touch .leaflet-control-zoom-out  {font-size: 22px;}.leaflet-control-layers {box-shadow: 0 1px 5px rgba(0,0,0,0.4);background: #fff;border-radius: 5px;}.leaflet-control-layers-toggle {background-image: url(images/layers.png);width: 36px;height: 36px;}.leaflet-retina .leaflet-control-layers-toggle {background-image: url(images/layers-2x.png);background-size: 26px 26px;}.leaflet-touch .leaflet-control-layers-toggle {width: 44px;height: 44px;}.leaflet-control-layers .leaflet-control-layers-list,.leaflet-control-layers-expanded .leaflet-control-layers-toggle {display: none;}.leaflet-control-layers-expanded .leaflet-control-layers-list {display: block;position: relative;}.leaflet-control-layers-expanded {padding: 6px 10px 6px 6px;color: #333;background: #fff;}.leaflet-control-layers-scrollbar {overflow-y: scroll;overflow-x: hidden;padding-right: 5px;}.leaflet-control-layers-selector {margin-top: 2px;position: relative;top: 1px;}.leaflet-control-layers label {display: block;font-size: 13px;font-size: 1.08333em;}.leaflet-control-layers-separator {height: 0;border-top: 1px solid #ddd;margin: 5px -10px 5px -6px;}.leaflet-default-icon-path {background-image: url(images/marker-icon.png);}.leaflet-container .leaflet-control-attribution {background: #fff;background: rgba(255, 255, 255, 0.8);margin: 0;}.leaflet-control-attribution,.leaflet-control-scale-line {padding: 0 5px;color: #333;line-height: 1.4;}.leaflet-control-attribution a {text-decoration: none;}.leaflet-control-attribution a:hover,.leaflet-control-attribution a:focus {text-decoration: underline;}.leaflet-attribution-flag {display: inline !important;vertical-align: baseline !important;width: 1em;height: 0.6669em;}.leaflet-left .leaflet-control-scale {margin-left: 5px;}.leaflet-bottom .leaflet-control-scale {margin-bottom: 5px;}.leaflet-control-scale-line {border: 2px solid #777;border-top: none;line-height: 1.1;padding: 2px 5px 1px;white-space: nowrap;-moz-box-sizing: border-box;box-sizing: border-box;background: rgba(255, 255, 255, 0.8);text-shadow: 1px 1px #fff;}.leaflet-control-scale-line:not(:first-child) {border-top: 2px solid #777;border-bottom: none;margin-top: -2px;}.leaflet-control-scale-line:not(:first-child):not(:last-child) {border-bottom: 2px solid #777;}.leaflet-touch .leaflet-control-attribution,.leaflet-touch .leaflet-control-layers,.leaflet-touch .leaflet-bar {box-shadow: none;}.leaflet-touch .leaflet-control-layers,.leaflet-touch .leaflet-bar {border: 2px solid rgba(0,0,0,0.2);background-clip: padding-box;}.leaflet-popup {position: absolute;text-align: center;margin-bottom: 20px;}.leaflet-popup-content-wrapper {padding: 1px;text-align: left;border-radius: 12px;}.leaflet-popup-content {margin: 13px 24px 13px 20px;line-height: 1.3;font-size: 13px;font-size: 1.08333em;min-height: 1px;}.leaflet-popup-content p {margin: 17px 0;margin: 1.3em 0;}.leaflet-popup-tip-container {width: 40px;height: 20px;position: absolute;left: 50%;margin-top: -1px;margin-left: -20px;overflow: hidden;pointer-events: none;}.leaflet-popup-tip {width: 17px;height: 17px;padding: 1px;margin: -10px auto 0;pointer-events: auto;-webkit-transform: rotate(45deg);-moz-transform: rotate(45deg);-ms-transform: rotate(45deg);transform: rotate(45deg);}.leaflet-popup-content-wrapper,.leaflet-popup-tip {background: white;color: #333;box-shadow: 0 3px 14px rgba(0,0,0,0.4);}.leaflet-container a.leaflet-popup-close-button {position: absolute;top: 0;right: 0;border: none;text-align: center;width: 24px;height: 24px;font: 16px/24px Tahoma, Verdana, sans-serif;color: #757575;text-decoration: none;background: transparent;}.leaflet-container a.leaflet-popup-close-button:hover,.leaflet-container a.leaflet-popup-close-button:focus {color: #585858;}.leaflet-popup-scrolled {overflow: auto;}.leaflet-oldie .leaflet-popup-content-wrapper {-ms-zoom: 1;}.leaflet-oldie .leaflet-popup-tip {width: 24px;margin: 0 auto;-ms-filter: "progid:DXImageTransform.Microsoft.Matrix(M11=0.70710678, M12=0.70710678, M21=-0.70710678, M22=0.70710678)";filter: progid:DXImageTransform.Microsoft.Matrix(M11=0.70710678, M12=0.70710678, M21=-0.70710678, M22=0.70710678);}.leaflet-oldie .leaflet-control-zoom,.leaflet-oldie .leaflet-control-layers,.leaflet-oldie .leaflet-popup-content-wrapper,.leaflet-oldie .leaflet-popup-tip {border: 1px solid #999;}.leaflet-div-icon {background: #fff;border: 1px solid #666;}.leaflet-tooltip {position: absolute;padding: 6px;background-color: #fff;border: 1px solid #fff;border-radius: 3px;color: #222;white-space: nowrap;-webkit-user-select: none;-moz-user-select: none;-ms-user-select: none;user-select: none;pointer-events: none;box-shadow: 0 1px 3px rgba(0,0,0,0.4);}.leaflet-tooltip.leaflet-interactive {cursor: pointer;pointer-events: auto;}.leaflet-tooltip-top:before,.leaflet-tooltip-bottom:before,.leaflet-tooltip-left:before,.leaflet-tooltip-right:before {position: absolute;pointer-events: none;border: 6px solid transparent;background: transparent;content: "";}.leaflet-tooltip-bottom {margin-top: 6px;}.leaflet-tooltip-top {margin-top: -6px;}.leaflet-tooltip-bottom:before,.leaflet-tooltip-top:before {left: 50%;margin-left: -6px;}.leaflet-tooltip-top:before {bottom: 0;margin-bottom: -12px;border-top-color: #fff;}.leaflet-tooltip-bottom:before {top: 0;margin-top: -12px;margin-left: -6px;border-bottom-color: #fff;}.leaflet-tooltip-left {margin-left: -6px;}.leaflet-tooltip-right {margin-left: 6px;}.leaflet-tooltip-left:before,.leaflet-tooltip-right:before {top: 50%;margin-top: -6px;}.leaflet-tooltip-left:before {right: 0;margin-right: -12px;border-left-color: #fff;}.leaflet-tooltip-right:before {left: 0;margin-left: -12px;border-right-color: #fff;}@media print {.leaflet-control {-webkit-print-color-adjust: exact;print-color-adjust: exact;}}

@font-face{font-family:"Brico";src:url(fonts/bricolage.woff2) format("woff2-variations");font-weight:200 800;font-stretch:75% 100%;font-display:swap}
@font-face{font-family:"InterT";src:url(fonts/inter-tight-latin.woff2) format("woff2-variations");font-weight:100 900;font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"InterT";src:url(fonts/inter-tight-cyr.woff2) format("woff2-variations");font-weight:100 900;font-display:swap;unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:"InterT";src:url(fonts/inter-tight-cyrext.woff2) format("woff2-variations");font-weight:100 900;font-display:swap;unicode-range:U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}

/* Layout: editorial scroll story — full-bleed colour bands, type set edge to edge, photos moving at their own speed */
:root{
  --lime:#d8e6a3; --olive:#2f4a24;
  --blue:#3d7f86; --blue-deep:#1f5b63; --sky:#c3e2e0;
  --brown:#2a2118; --ink:#101512; --cream:#efece2; --white:#fbfaf4;
  --g:clamp(16px,2.4vw,40px);
  --cjk:"PingFang SC","Hiragino Sans GB","Noto Sans CJK SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --display:"Brico","InterT",system-ui,var(--cjk);
  --text:"InterT",system-ui,-apple-system,"Segoe UI",var(--cjk);
  --ease:cubic-bezier(.16,1,.3,1);
}
*{box-sizing:border-box;margin:0;padding:0}
[hidden]{display:none!important}
html,body{overflow-x:clip}
html.lenis,html.lenis body{height:auto}
.lenis.lenis-smooth{scroll-behavior:auto!important}
body{background:var(--lime);color:var(--ink);font-family:var(--text);font-size:clamp(16px,1.15vw,19px);line-height:1.45;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid currentColor;outline-offset:4px}

.d{font-family:var(--display);font-weight:800;font-variation-settings:"opsz" 96;line-height:.8;letter-spacing:-.045em}
.d-cond{font-stretch:75%;letter-spacing:-.03em;text-transform:uppercase}
.fit{display:block;white-space:nowrap;width:100%}
.fit>span{display:inline-block}
.lbl{font:600 11px/1.3 var(--text);letter-spacing:.13em;text-transform:uppercase}
.lead{font-size:clamp(20px,1.75vw,30px);line-height:1.22;letter-spacing:-.015em;font-weight:500;max-width:22ch}
.copy{max-width:36ch;opacity:.86}
:lang(zh-Hans) .lead{max-width:16em}:lang(zh-Hans) .copy{max-width:24em}
.arrow-btn{width:64px;height:64px;border-radius:50%;border:1.5px solid currentColor;display:grid;place-items:center;flex:none;transition:background .4s var(--ease),color .4s var(--ease)}
.arrow-btn svg{width:22px;height:22px;transition:transform .5s var(--ease)}
.arrow-btn:hover svg{transform:translate(3px,-3px)}
.rv{opacity:0;transform:translateY(40px);transition:opacity 1.1s var(--ease),transform 1.2s var(--ease)}
.rv.in{opacity:1;transform:none}
.sec-head{display:flex;justify-content:space-between;align-items:baseline;gap:20px;margin-bottom:clamp(40px,7vh,90px)}

/* nav */
.nav{position:fixed;inset:0 0 auto 0;z-index:50;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:16px var(--g);padding-top:calc(16px + env(safe-area-inset-top,0px));color:var(--white);pointer-events:none;transition:color .4s}
.nav.dark{color:var(--ink)}
.nav>*{pointer-events:auto}
.brand{font:800 15px/1 var(--display);font-stretch:75%;letter-spacing:.02em;text-transform:uppercase}
.nav ul{display:flex;gap:clamp(16px,2.2vw,36px);list-style:none}
.nav ul a{font:600 11px/1 var(--text);letter-spacing:.13em;text-transform:uppercase;position:relative;white-space:nowrap}
.nav ul a:after{content:"";position:absolute;left:0;right:100%;bottom:-6px;height:1.5px;background:currentColor;transition:right .5s var(--ease)}
.nav ul a:hover:after{right:0}
.langs{display:flex;gap:2px;border:1.5px solid currentColor;border-radius:999px;padding:3px}
.langs button{font:700 10px/1 var(--text);letter-spacing:.08em;padding:7px 9px;border-radius:999px;transition:background .3s}
.langs button[aria-pressed="true"]{background:currentColor}
.langs button[aria-pressed="true"] span{color:var(--ink)}
.nav.dark .langs button[aria-pressed="true"] span{color:var(--white)}

/* hero */
.hero{position:relative;height:100svh;min-height:600px;overflow:hidden;background:#24352a;color:var(--white)}
.hero-img{position:absolute;inset:-6% 0 -6% 0;width:100%;height:112%;object-fit:cover;will-change:transform}
.hero:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.3),rgba(0,0,0,0) 30%,rgba(0,0,0,0) 60%,rgba(0,0,0,.45));pointer-events:none}
.hero-title{position:absolute;z-index:2;left:var(--g);right:var(--g);top:clamp(76px,12vh,124px);color:var(--lime);will-change:transform}
.hero-title .fit{line-height:.74}
.hero-foot{position:absolute;z-index:2;left:var(--g);right:var(--g);bottom:var(--g);display:grid;grid-template-columns:1fr 1.4fr 1fr auto;gap:var(--g);align-items:end}
.hero-foot p{font:700 12px/1.25 var(--text);letter-spacing:.06em;text-transform:uppercase;color:var(--lime)}
.hero-foot .arrow-btn{color:var(--lime)}
.hero-foot .arrow-btn:hover{background:var(--lime);color:var(--ink)}

/* forests */
.forest{position:relative;background:var(--lime);color:var(--olive);padding:clamp(90px,14vh,180px) var(--g) clamp(110px,18vh,240px)}
.forest-stage{position:relative}
.forest h2{position:relative;z-index:2;pointer-events:none}
.forest h2 .fit{line-height:.8}
.forest-card{position:absolute;z-index:1;left:33%;width:34%;top:42%;aspect-ratio:3/4;border-radius:clamp(14px,1.6vw,28px);overflow:hidden;will-change:transform}
.forest-card img,.frame img{width:100%;height:118%;object-fit:cover;position:relative;top:-9%;will-change:transform}
.forest-low{display:grid;grid-template-columns:repeat(12,1fr);gap:var(--g);margin-top:clamp(40px,8vw,140px);align-items:end;min-height:30vw}
.forest-low .txt{grid-column:1/4}
.forest-low .txt .copy{margin-top:22px;font-size:.92em}
.forest-low .small{grid-column:10/13;align-self:start;margin-top:-6vw}
.frame{overflow:hidden;border-radius:clamp(10px,1.2vw,20px);position:relative}
.small .frame{aspect-ratio:4/5}
.small figcaption{margin-top:12px}

/* waves */
.waves{position:absolute;left:0;top:0;width:100%;height:100%;display:block;pointer-events:none}

/* sea */
.sea{background:var(--blue);color:var(--sky);padding:clamp(90px,14vh,180px) var(--g) 0;position:relative;overflow:clip}
.sea>.waves{height:clamp(640px,115vh,1200px)}
.sea>*:not(.waves){position:relative}
.sea h2 .fit{line-height:.82}
.sea-intro{display:grid;grid-template-columns:repeat(12,1fr);gap:var(--g);margin-top:clamp(50px,9vh,110px)}
.sea-intro .lead{grid-column:1/6;color:#fff}
.sea-intro .copy{grid-column:8/12;color:var(--sky);opacity:1}
.expand{height:240vh;position:relative;margin-top:clamp(70px,12vh,150px)}
.expand-sticky{position:sticky;top:0;height:100vh;overflow:hidden}
.expand-img{position:absolute;inset:0;clip-path:inset(18% 30% 18% 30% round 24px);will-change:clip-path}
.expand-img img{width:100%;height:100%;object-fit:cover;transform:scale(1.25);will-change:transform}
.expand-facts{position:absolute;inset:auto var(--g) var(--g) var(--g);display:grid;grid-template-columns:repeat(3,1fr);gap:var(--g);color:#fff;opacity:0;transform:translateY(30px);transition:opacity .8s var(--ease),transform 1s var(--ease)}
.expand-facts.on{opacity:1;transform:none}
.expand-facts b{display:block;font:800 clamp(48px,6.5vw,120px)/.85 var(--display);font-variation-settings:"opsz" 96;letter-spacing:-.05em;margin-bottom:12px}
.expand-facts:before{content:"";position:absolute;inset:-60vh calc(var(--g)*-1) calc(var(--g)*-1);background:linear-gradient(transparent,rgba(0,0,0,.45));z-index:-1}

/* chapters */
.ch{position:sticky;top:0;height:100vh;min-height:620px;overflow:hidden}
.ch-in{position:absolute;inset:0;transform-origin:50% 0;will-change:transform}
.ch-shade{position:absolute;inset:0;background:#000;opacity:0;pointer-events:none;z-index:9}
.ch .bg{position:absolute;inset:-8% 0;width:100%;height:116%;object-fit:cover;will-change:transform}
.ch-top{position:absolute;z-index:3;top:clamp(84px,11vh,110px);left:var(--g);right:var(--g);display:flex;justify-content:space-between}
.ch-desc{max-width:30ch;font:700 12px/1.35 var(--text);letter-spacing:.07em;text-transform:uppercase}
.ch .arrow-btn{position:absolute;z-index:3;right:var(--g);bottom:var(--g)}
.ch-zh{background:var(--lime);color:var(--ink)}
.ch-zh .cut{position:absolute;left:0;bottom:0;width:51%;height:80%;clip-path:polygon(0 18%,18% 6%,40% 0,62% 10%,72% 4%,100% 22%,100% 100%,0 100%);overflow:hidden}
.ch-zh .cut img{width:100%;height:120%;object-fit:cover;margin-top:-6%;will-change:transform}
.ch-zh .ttl{position:absolute;right:var(--g);top:28%;width:46%;z-index:2}
.ch-zh .ttl .fit{line-height:.8}
.ch-zh .ch-desc{margin-top:22px;background:var(--cream);display:inline-block;padding:10px 14px}
.ch-zh .copy{margin-top:30px;max-width:30ch;font-size:.95em}
.ch-photo{color:var(--white)}
.ch-photo .ch-in:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.35),transparent 30%,transparent 50%,rgba(0,0,0,.55));z-index:1}
.ch-photo .ttl{position:absolute;z-index:2;left:var(--g);right:var(--g);bottom:calc(var(--g) + 54px)}
.ch-photo .ttl .fit{line-height:.78}
.ch-photo .ch-desc{position:absolute;z-index:3;left:var(--g);bottom:var(--g)}
.ch-port .ttl{color:var(--lime);right:30%}
.ch-kop{background:var(--cream);color:var(--brown)}
.ch-kop .pic{position:absolute;left:50%;top:50%;width:min(44vw,640px);aspect-ratio:4/5;transform:translate(-50%,-46%);border-radius:999px 999px 24px 24px;overflow:hidden}
.ch-kop .pic img{width:100%;height:120%;object-fit:cover;margin-top:-10%;will-change:transform}
.ch-kop .ttl{position:absolute;left:var(--g);right:var(--g);top:50%;transform:translateY(-50%);z-index:2;mix-blend-mode:multiply}
.ch-kop .ttl .fit{line-height:.8}
.ch-kop .side{position:absolute;z-index:3;left:var(--g);bottom:var(--g);max-width:28ch}
.ch-kop .side2{position:absolute;z-index:3;right:calc(var(--g) + 90px);bottom:var(--g);max-width:26ch;text-align:right}
.ch-gar{background:var(--ink);color:var(--cream)}
.ch-gar .ch-in:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(16,21,18,.9) 0%,rgba(16,21,18,.5) 45%,transparent 70%);z-index:1}
.ch-gar .ttl{position:absolute;z-index:2;left:var(--g);top:34%;width:52%;color:var(--lime)}
.ch-gar .ttl .fit{line-height:.8}
.ch-gar .copy{margin-top:34px;color:var(--cream)}

/* idel — blue waves interlude */
.idel{position:relative;height:260vh;background:var(--blue-deep);color:var(--sky)}
.idel-sticky{position:sticky;top:0;height:100vh;overflow:hidden;display:flex;flex-direction:column;justify-content:center;gap:clamp(14px,3vh,40px)}
.idel-top{position:absolute;z-index:2;top:clamp(84px,11vh,110px);left:var(--g);right:var(--g);display:flex;justify-content:space-between;gap:20px}
.mq{position:relative;z-index:1;white-space:nowrap;will-change:transform;font-family:var(--display);font-weight:800;font-variation-settings:"opsz" 96;font-size:clamp(76px,13vw,240px);line-height:.9;letter-spacing:-.045em;color:var(--sky)}
.mq span{display:inline-block;padding-right:.2em}
.mq.outline{color:transparent;-webkit-text-stroke:1.5px var(--sky)}
.idel-copy{position:relative;z-index:2;align-self:flex-end;margin-right:var(--g);max-width:34ch;color:#fff;font-size:clamp(17px,1.3vw,22px);line-height:1.35}
.idel-hint{position:absolute;z-index:2;left:var(--g);bottom:var(--g)}

/* atlas */
.atlas{background:var(--cream);color:var(--ink);position:relative}
.atlas-head{padding:clamp(100px,16vh,200px) var(--g) clamp(40px,6vh,80px);display:grid;grid-template-columns:repeat(12,1fr);gap:var(--g);align-items:end}
.atlas-head h2{grid-column:1/9}
.atlas-head .copy{grid-column:10/13}
.hs{position:relative}
.hs-sticky{position:sticky;top:0;height:100vh;overflow:hidden;display:flex;align-items:center}
.hs-track{display:flex;gap:clamp(20px,2.4vw,44px);padding:0 var(--g);will-change:transform}
.card{flex:0 0 clamp(270px,27vw,460px);display:flex;flex-direction:column;min-width:0}
.card .frame{aspect-ratio:4/5;border-radius:clamp(10px,1.2vw,18px)}
.card .frame img{height:100%;top:0;transition:transform 1.2s var(--ease)}
.card:hover .frame img{transform:scale(1.06)}
.card:nth-child(even){margin-top:12vh}
.card-meta{display:flex;justify-content:space-between;margin-top:18px}
.card h3{font:800 clamp(26px,2.3vw,40px)/.95 var(--text);letter-spacing:-.035em;margin:12px 0 10px;text-transform:uppercase}
.card p{font-size:.88em;opacity:.78;max-width:34ch}
.hs-end{flex:0 0 clamp(260px,24vw,400px);align-self:center;display:flex;flex-direction:column;gap:20px;align-items:flex-start}
.hs-end .d{font-size:clamp(70px,8vw,140px)}
.hs-progress{position:absolute;left:var(--g);right:var(--g);bottom:8px;height:2px;background:rgba(16,21,18,.12);pointer-events:none}
.hs-progress i{position:absolute;inset:0;background:var(--ink);transform-origin:0 50%;transform:scaleX(0)}

/* history */
.hist{background:var(--lime);color:var(--brown);padding:clamp(100px,16vh,200px) var(--g) clamp(80px,14vh,180px)}
.hist-intro{display:grid;grid-template-columns:repeat(12,1fr);gap:var(--g);margin-bottom:clamp(80px,14vh,180px)}
.hist-intro .big{grid-column:1/9;font:700 clamp(30px,3.3vw,58px)/1.06 var(--text);letter-spacing:-.035em}
.hist-intro .copy{grid-column:10/13;align-self:end}
.hist-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--g)}
.hist-sticky{position:sticky;top:0;height:100vh;display:flex;flex-direction:column;justify-content:center}
.year{font:800 clamp(110px,15.5vw,300px)/.8 var(--display);font-variation-settings:"opsz" 96;letter-spacing:-.06em;height:.8em;overflow:hidden;position:relative}
.year span{display:block;position:absolute;left:0;top:0;white-space:nowrap;transition:transform .9s var(--ease),opacity .6s}
.year span.out{transform:translateY(-100%);opacity:0}
.year span.pre{transform:translateY(100%);opacity:0}
.era{margin-top:26px;font:700 clamp(18px,1.5vw,26px)/1.15 var(--text);letter-spacing:-.02em;max-width:18ch;min-height:2.4em}
.hist-list{padding:20vh 0 10vh}
.ev{min-height:78vh;display:flex;flex-direction:column;justify-content:center;gap:24px}
.ev .frame{aspect-ratio:16/10}
.ev .copy{max-width:44ch;opacity:.9}
.ev .note{font:500 11px/1.4 var(--text);letter-spacing:.06em;text-transform:uppercase;opacity:.6}
.ev-text-only{min-height:46vh}
.ev-text-only .copy{font:600 clamp(22px,2vw,34px)/1.18 var(--text);letter-spacing:-.025em;max-width:24ch;opacity:1}
.sources{display:flex;flex-wrap:wrap;gap:12px 28px;margin-top:clamp(60px,10vh,120px);padding-top:24px;border-top:1.5px solid currentColor}
.sources a{font:600 12px/1.3 var(--text);letter-spacing:.04em;border-bottom:1px solid transparent;transition:border-color .3s}
.sources a:hover{border-color:currentColor}

/* wild wall */
.wild{background:#121a13;color:var(--cream);position:relative;overflow:hidden;padding:clamp(100px,16vh,200px) var(--g) clamp(60px,10vh,120px)}
.wild h2{color:var(--lime);position:relative;z-index:2}
.wild h2 .fit{line-height:.8}
.wild-body{display:grid;grid-template-columns:repeat(12,1fr);gap:var(--g);margin-top:clamp(60px,10vh,120px)}
.wild-side{grid-column:1/4;position:sticky;top:20vh;align-self:start}
.wild-side .copy{margin-top:22px;font-size:.92em}
.wild-side .pill{margin-top:28px}
.wild-cols{grid-column:4/13;display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(12px,1.6vw,28px);height:150vh;overflow:hidden;-webkit-mask-image:linear-gradient(transparent,#000 10%,#000 90%,transparent);mask-image:linear-gradient(transparent,#000 10%,#000 90%,transparent)}
.wcol{display:flex;flex-direction:column;gap:clamp(12px,1.6vw,28px);will-change:transform}
.wcol:nth-child(2){margin-top:-30vh}
.wcol:nth-child(3){margin-top:-10vh}
.poster{display:block;width:100%;border-radius:6px;overflow:hidden;cursor:pointer;transition:transform .6s var(--ease)}
.poster:hover{transform:scale(1.03) rotate(-.6deg)}
.poster img{width:100%;height:auto}

/* field guide */
.guide{--gbg:#c9b88f;--gfg:#10120e;background:var(--gbg);color:var(--gfg);transition:background-color .9s var(--ease),color .6s;position:relative;min-height:100vh;padding:clamp(80px,11vh,112px) var(--g) var(--g);display:flex;flex-direction:column;gap:clamp(18px,3vh,32px)}
.guide-top{display:flex;justify-content:space-between;align-items:center;gap:16px 20px;flex-wrap:wrap}
.tabs{display:flex;gap:6px;flex-wrap:wrap}
.tab{padding:11px 16px;border-radius:999px;border:1.5px solid currentColor;font:700 11px/1 var(--text);letter-spacing:.1em;text-transform:uppercase;transition:background .3s,color .3s}
.tab[aria-selected="true"]{background:var(--gfg);color:var(--gbg)}
.tab small{opacity:.6;margin-left:6px;font-weight:600}
.guide-main{flex:1;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:clamp(24px,4vw,80px);align-items:center;min-height:0}
.g-info{display:flex;flex-direction:column;gap:clamp(14px,2.2vh,24px);min-width:0;max-width:660px}
.g-count{display:flex;gap:12px;align-items:center;min-height:24px}
.g-red[hidden]{display:none}
.g-red{display:inline-block;background:#ea2b22;color:#fff;padding:6px 10px;border-radius:6px;font:700 11px/1 var(--text);letter-spacing:.08em;text-transform:uppercase}
.g-name{font:800 clamp(40px,5.4vw,104px)/.88 var(--text);letter-spacing:-.05em;text-wrap:balance;overflow-wrap:anywhere}
:lang(zh-Hans) .g-name{letter-spacing:0}
.g-latin{font-size:clamp(17px,1.4vw,24px);font-style:italic;margin-top:-4px}
.g-names{display:grid;grid-template-columns:auto 1fr;gap:6px 22px;font-size:clamp(14px,1.05vw,17px);border-top:1.5px solid currentColor;padding-top:16px;max-width:460px}
.g-names dt{font-weight:700;opacity:.5}
.g-names dt.on{opacity:1}
.g-names dt.on+dd{font-weight:800}
.g-hab p{margin-top:8px;max-width:42ch;font-size:clamp(15px,1.1vw,18px)}
.g-ctrl{display:flex;gap:10px;align-items:center}
.g-ctrl .arrow-btn{width:56px;height:56px}
.g-ctrl .arrow-btn:hover{background:var(--gfg);color:var(--gbg)}
.g-poster{position:relative;height:min(64vh,820px);aspect-ratio:var(--ar,.6);max-width:46vw;border-radius:10px;overflow:hidden;cursor:zoom-in;box-shadow:0 30px 80px -30px rgba(0,0,0,.45)}
.g-poster img{width:100%;height:100%;object-fit:cover;transition:opacity .45s,transform .8s var(--ease)}
.g-poster.swap img{opacity:0;transform:translateX(var(--dir,40px)) rotate(1.5deg) scale(.96)}
.g-rail{display:flex;gap:8px;overflow-x:auto;padding:8px 2px 4px;scrollbar-width:none}
.g-rail::-webkit-scrollbar{display:none}
.g-rail button{flex:0 0 auto;height:74px;aspect-ratio:.62;border-radius:5px;overflow:hidden;opacity:.55;transition:opacity .3s,transform .4s var(--ease)}
.g-rail button img{width:100%;height:100%;object-fit:cover}
.g-rail button[aria-current="true"]{opacity:1;transform:translateY(-6px);box-shadow:0 0 0 2px var(--gfg)}
.g-rail button:hover{opacity:1}

/* people */
.people{background:var(--cream);color:var(--ink);padding:clamp(100px,16vh,200px) var(--g)}
.people-head{display:grid;grid-template-columns:repeat(12,1fr);gap:var(--g);align-items:end;margin-bottom:clamp(50px,9vh,110px)}
.people-head h2{grid-column:1/9}
.people-head .copy{grid-column:10/13}
.row{display:grid;grid-template-columns:70px 1.3fr 1.4fr 1fr 64px;gap:var(--g);align-items:center;padding:clamp(22px,3.2vh,38px) 0;border-top:1.5px solid var(--ink)}
.row:last-of-type{border-bottom:1.5px solid var(--ink)}
.row h3{font:800 clamp(30px,3.6vw,64px)/.9 var(--display);font-stretch:75%;font-variation-settings:"opsz" 96;text-transform:uppercase;letter-spacing:-.02em;transition:transform .6s var(--ease)}
.row p{font-size:.92em;max-width:36ch}
.row small{font:600 11px/1.35 var(--text);letter-spacing:.08em;text-transform:uppercase;opacity:.7}
.row .arrow-btn{width:52px;height:52px}
.row:hover h3{transform:translateX(14px)}
.row:hover .arrow-btn{background:var(--ink);color:var(--cream)}
.float-pic{position:fixed;z-index:40;left:0;top:0;width:clamp(200px,18vw,300px);aspect-ratio:4/5;border-radius:14px;overflow:hidden;pointer-events:none;opacity:0;transform:translate(-50%,-50%) scale(.85);transition:opacity .4s,transform .5s var(--ease)}
.float-pic.on{opacity:1;transform:translate(-50%,-50%) scale(1)}
.float-pic img{width:100%;height:100%;object-fit:cover}
.disclaim{margin-top:28px;font-size:13px;opacity:.6;max-width:70ch}

/* go */
.go{background:var(--blue);color:#fff;padding:clamp(100px,16vh,200px) var(--g);position:relative;overflow:clip}
.go>*:not(.waves){position:relative}
.go h2{color:var(--sky)}
.go h2 .fit{line-height:.82}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--g);margin-top:clamp(60px,10vh,120px)}
.step{border-top:1.5px solid rgba(255,255,255,.6);padding-top:22px;display:flex;flex-direction:column;gap:18px}
.step b{font:800 clamp(34px,3.4vw,60px)/.92 var(--display);font-variation-settings:"opsz" 96;letter-spacing:-.04em}
.step p{max-width:32ch;opacity:.9;font-size:.95em}
.notes{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--g);margin-top:clamp(70px,12vh,140px)}
.notes h4{font:700 15px/1.2 var(--text);text-transform:uppercase;letter-spacing:.02em;margin-bottom:10px;color:var(--sky)}
.notes p{font-size:.9em;opacity:.9}
.go-links{margin-top:40px;display:flex;flex-wrap:wrap;gap:12px}
.pill{display:inline-flex;align-items:center;gap:10px;padding:16px 24px;border-radius:999px;border:1.5px solid currentColor;font:700 12px/1 var(--text);letter-spacing:.1em;text-transform:uppercase;transition:background .4s var(--ease),color .4s var(--ease)}
.go .pill:hover{background:#fff;color:var(--blue)}
.wild .pill:hover{background:var(--lime);color:var(--ink)}
.hs-end .pill:hover{background:var(--ink);color:var(--cream)}

/* footer */
.foot{background:var(--lime);color:var(--brown);padding:clamp(100px,16vh,200px) var(--g) var(--g);overflow:hidden}
.foot-cta{display:grid;grid-template-columns:repeat(12,1fr);gap:var(--g);align-items:end}
.foot-cta .lead{grid-column:1/7;font-size:clamp(28px,3vw,52px);max-width:18ch;font-weight:700;letter-spacing:-.035em;line-height:1.02}
.foot-cta .meta{grid-column:9/13;display:flex;flex-direction:column;gap:14px;align-items:flex-start}
.foot-cta .pill:hover{background:var(--brown);color:var(--lime)}
.foot-cta .pill.folio{background:var(--blue);border-color:var(--blue);color:var(--white);gap:10px;display:inline-flex;align-items:center}
.foot-cta .pill.folio:hover{background:var(--blue-deep);border-color:var(--blue-deep);color:var(--white)}
.folio-dot{width:8px;height:8px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 0 rgba(216,230,163,.7);animation:fdot 2s infinite}
@keyframes fdot{70%{box-shadow:0 0 0 8px rgba(216,230,163,0)}100%{box-shadow:0 0 0 0 rgba(216,230,163,0)}}
.mail{font:700 clamp(16px,1.3vw,22px)/1.2 var(--text);user-select:all}
.foot-mark{margin-top:clamp(80px,14vh,180px)}
.foot-mark .fit{line-height:.74}
.foot-bar{display:flex;justify-content:space-between;gap:20px;margin-top:22px;flex-wrap:wrap}

/* lightbox */
.lb{position:fixed;inset:0;z-index:85;background:rgba(10,12,8,.92);display:grid;place-items:center;padding:4vh 4vw;opacity:0;pointer-events:none;transition:opacity .4s}
.lb.on{opacity:1;pointer-events:auto}
.lb img{max-height:92vh;width:auto;border-radius:6px;transform:scale(.94);transition:transform .6s var(--ease)}
.lb.on img{transform:none}
.lb button{position:absolute;top:calc(20px + env(safe-area-inset-top,0px));right:var(--g);color:#fff}


/* ===== v25 ===== */
.nav-r{display:flex;align-items:center;gap:8px}
.snd,.burger{width:38px;height:38px;border-radius:50%;border:1.5px solid currentColor;display:grid;place-items:center;flex:none}
.snd{width:auto;display:flex;gap:6px;padding:0 13px 0 10px;border-radius:999px;font:700 10px/1 var(--text);letter-spacing:.1em;text-transform:uppercase}
.snd .x{display:none}.snd[aria-pressed="false"] .x{display:block}.snd[aria-pressed="false"] .w1,.snd[aria-pressed="false"] .w2{display:none}
.snd.armed{animation:armp 2s ease-in-out infinite}@keyframes armp{50%{opacity:.45}}
.snd svg{width:18px;height:18px}
.snd .w1,.snd .w2{opacity:.25;transition:opacity .3s}
.snd[aria-pressed="true"] .w1,.snd[aria-pressed="true"] .w2{opacity:1;animation:sndw 1.4s ease-in-out infinite}
.snd[aria-pressed="true"] .w2{animation-delay:.2s}
@keyframes sndw{50%{opacity:.35}}
.burger{display:none;position:relative}
.burger i{position:absolute;left:50%;top:50%;width:14px;height:1.5px;margin:-.75px 0 0 -7px;background:currentColor;transition:transform .4s var(--ease)}
.burger i:first-child{transform:translateY(-3px)}.burger i:last-child{transform:translateY(3px)}
.burger[aria-expanded="true"] i:first-child{transform:rotate(45deg)}
.burger[aria-expanded="true"] i:last-child{transform:rotate(-45deg)}
.nav.menu-open .langs button[aria-pressed="true"] span{color:var(--white)}
.rail{position:fixed;z-index:48;right:max(14px,env(safe-area-inset-right,0px));top:50%;transform:translateY(-50%);mix-blend-mode:difference;color:#fff}
.rail ol{list-style:none;display:flex;flex-direction:column;gap:9px;align-items:flex-end}
.rail a{display:flex;align-items:center;gap:10px;font:700 10px/1 var(--text);letter-spacing:.1em;text-transform:uppercase}
.rail a span{opacity:0;transform:translateX(6px);transition:opacity .3s,transform .4s var(--ease);white-space:nowrap}
.rail a i{display:block;width:7px;height:7px;border-radius:50%;border:1.5px solid currentColor;transition:background .3s,transform .3s}
.rail:hover a span,.rail a:focus-visible span{opacity:1;transform:none}
.rail a.on i{background:currentColor;transform:scale(1.35)}
.rail a.on span{opacity:0}
.sheet{position:fixed;inset:0;z-index:49;background:var(--lime);color:var(--ink);padding:calc(84px + env(safe-area-inset-top,0px)) var(--g) var(--g);overflow:auto}
.sheet ol{list-style:none;counter-reset:s}
.sheet li{counter-increment:s;border-top:1.5px solid var(--ink)}
.sheet a{display:flex;align-items:baseline;gap:14px;padding:12px 0;font:800 clamp(30px,8vw,52px)/1 var(--display);font-stretch:75%;text-transform:uppercase;letter-spacing:-.01em}
.sheet a:before{content:counter(s,decimal-leading-zero);font:700 11px/1 var(--text);letter-spacing:.1em}
.nav.menu-open{color:var(--ink)}
.say{display:inline-flex;align-items:center;gap:8px;margin-top:14px;padding:9px 14px 9px 10px;border-radius:999px;border:1.5px solid currentColor;font:700 11px/1 var(--text);letter-spacing:.08em;text-transform:uppercase;transition:background .3s,color .3s}
.say svg{width:16px;height:16px}
.say:hover,.say.on{background:currentColor}
.say:hover span,.say:hover svg,.say.on span,.say.on svg{color:var(--cream)}
.ch-zh .say:hover span,.ch-zh .say:hover svg{color:var(--lime)}
.say-hero{position:absolute;z-index:3;left:var(--g);top:calc(clamp(76px,12vh,124px) + 25vw);color:var(--lime)}
.say-hero:hover span,.say-hero:hover svg{color:var(--ink)}
.say-idel{position:absolute;z-index:3;left:var(--g);top:calc(clamp(84px,11vh,110px) + 34px);color:var(--sky);margin:0}
.say-idel:hover span,.say-idel:hover svg{color:var(--blue-deep)}
.dam{background:#173035;color:#d7e8e7;padding:clamp(100px,16vh,200px) var(--g);position:relative;overflow:clip}
.dam>.waves{opacity:.35}
.dam>*:not(.waves){position:relative}
.dam h2{color:var(--sky)}
.dam h2 .fit{line-height:.82}
.dam-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:var(--g);margin-top:clamp(50px,9vh,110px);align-items:start}
.dam-txt{grid-column:1/6}.dam-txt .copy{margin-top:22px;opacity:.9}
.dam-pic{grid-column:7/13}.dam-pic .frame{aspect-ratio:1}.dam-pic figcaption{margin-top:12px;opacity:.7}
.dam-facts{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--g);margin-top:clamp(60px,10vh,120px)}
.dam-facts>div{border-top:1.5px solid rgba(215,232,231,.5);padding-top:18px}
.dam-facts b{display:block;font:800 clamp(40px,5vw,92px)/.9 var(--display);font-variation-settings:"opsz" 96;letter-spacing:-.05em;margin-bottom:12px;color:#fff}
.dam .sources{border-color:rgba(215,232,231,.5)}
.pp{background:var(--cream);color:var(--brown);padding:clamp(100px,16vh,200px) var(--g)}
.pp h2 .fit{line-height:.8}
.pp-intro{display:grid;grid-template-columns:repeat(12,1fr);gap:var(--g);margin:clamp(40px,7vh,80px) 0}
.pp-intro .lead{grid-column:1/7;font-weight:700;letter-spacing:-.03em}.pp-intro .copy{grid-column:8/12;align-self:end}
.pp-mosaic{display:grid;grid-template-columns:repeat(6,1fr);grid-auto-rows:clamp(120px,14vw,240px);gap:clamp(8px,1vw,16px)}
.pp-mosaic figure{overflow:hidden;border-radius:clamp(8px,1vw,16px)}
.pp-mosaic img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease)}
.pp-mosaic figure:hover img{transform:scale(1.05)}
.m1{grid-column:1/4;grid-row:span 2}.m2{grid-column:4/7;grid-row:span 2}.m3{grid-column:1/3;grid-row:span 2}.m4{grid-column:3/4;grid-row:span 2}.m5{grid-column:4/5;grid-row:span 2}.m6{grid-column:5/7;grid-row:span 2}
.pp-cap{margin-top:14px;opacity:.6}
.pp-facts{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--g);margin-top:clamp(50px,9vh,100px)}
.pp-facts>div{border-top:1.5px solid var(--brown);padding-top:18px}
.pp-facts h4{font:800 clamp(20px,1.6vw,28px)/1 var(--text);letter-spacing:-.03em;margin-bottom:12px}
.pp-facts p{font-size:.92em;opacity:.85}
.pp .pill:hover{background:var(--brown);color:var(--cream)}
.dr-ph{flex:0 0 100%;aspect-ratio:4/3;display:flex;flex-direction:column;justify-content:space-between;padding:24px;background:var(--lime);color:var(--brown)}
.dr-ph[data-tag="water"]{background:var(--blue);color:#fff}
.dr-ph b{font:800 clamp(40px,7vw,72px)/.85 var(--display);font-stretch:75%;text-transform:uppercase;letter-spacing:-.02em}
.dr-ph span{font-size:14px;max-width:30ch}
.dr-check{font-size:12px;opacity:.7}
.dr-check a{text-decoration:underline;text-underline-offset:3px}
.ice-btn{position:absolute;z-index:500;top:62px;right:14px;display:flex;gap:6px;align-items:center;background:var(--cream);border:1.5px solid var(--ink);border-radius:999px;padding:9px 14px;font:700 10px/1 var(--text);letter-spacing:.08em;text-transform:uppercase}
.ice-btn[aria-pressed="true"]{background:var(--ink);color:var(--cream)}
.ice-card{position:absolute;z-index:500;right:14px;top:108px;width:min(300px,calc(100% - 28px));background:var(--cream);border:1.5px solid var(--ink);border-radius:14px;padding:14px 16px;display:flex;flex-direction:column;gap:6px}
.ice-card b{font:800 18px/1.1 var(--text);letter-spacing:-.02em}
.ice-card p{font-size:13px;line-height:1.4}
.ice-card small{font-size:11px;opacity:.6}
.ice-pin{display:grid;place-items:center}
.ice-pin span{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:#173035;border:2px solid var(--cream);font-size:22px;box-shadow:0 6px 16px -6px rgba(0,0,0,.5);transition:transform .3s var(--ease)}
.ice-pin:hover span{transform:scale(1.15)}
.ice-pop .leaflet-popup-content-wrapper{border-radius:12px;border:1.5px solid var(--ink);box-shadow:none}
.ice-pop .leaflet-popup-content{font:14px/1.4 var(--text);margin:12px 14px}
.ice-pop b{display:block;font-weight:800;margin-bottom:4px}
.ice-pop p{margin:0}

.hero-intro{display:flex;flex-direction:column;gap:14px;align-items:flex-start;max-width:30ch}
.hero-intro p{font:600 clamp(15px,1.2vw,19px)/1.3 var(--text)!important;letter-spacing:-.01em!important;text-transform:none!important;color:#fff!important;text-shadow:0 1px 14px rgba(0,0,0,.5)}
.hero-cta{background:var(--lime);color:var(--ink)!important;border-color:var(--lime)}
.hero-cta:hover{background:#fff;border-color:#fff}
.hero-foot{grid-template-columns:1.3fr 1.2fr 1fr auto}
.dr-f{flex:0 0 88%;position:relative;scroll-snap-align:start;margin:0}
.dr-f:only-child{flex-basis:100%}
.dr-f img{width:100%;aspect-ratio:4/3;object-fit:cover;display:block}
.dr-f figcaption{position:absolute;left:8px;bottom:8px;right:8px;width:fit-content;max-width:calc(100% - 16px);background:rgba(16,21,18,.72);color:#fff;font:500 10.5px/1.3 var(--text);padding:5px 8px;border-radius:6px}
.dr-f figcaption a{text-decoration:underline;text-underline-offset:2px}
.card .cr{display:block;font:500 10px/1.3 var(--text);opacity:.55;margin-top:6px}
.loc-btn{position:absolute;z-index:500;right:14px;bottom:96px;width:44px;height:44px;border-radius:50%;background:var(--cream);border:1.5px solid var(--ink);display:grid;place-items:center}
.loc-btn svg{width:20px;height:20px}
.loc-btn.busy svg{animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}
@media (max-width:900px){.hero-foot{grid-template-columns:1fr auto}.hero-foot>p{display:none}.loc-btn{bottom:auto;top:110px}}

.snd-hint{position:fixed;z-index:55;right:max(var(--g),env(safe-area-inset-right,0px));top:calc(70px + env(safe-area-inset-top,0px));display:flex;align-items:center;gap:14px;max-width:min(420px,calc(100% - 32px));padding:14px 20px 14px 16px;border-radius:999px;background:var(--lime);color:var(--ink);text-align:left;box-shadow:0 18px 40px -16px rgba(0,0,0,.45);animation:hintIn .8s var(--ease) both .8s;transition:opacity .4s,transform .5s var(--ease)}
.snd-hint b{display:block;font:800 15px/1.1 var(--text);letter-spacing:-.01em}
.snd-hint small{display:block;font:500 12px/1.3 var(--text);opacity:.75;margin-top:2px}
.snd-hint .eq{display:flex;align-items:flex-end;gap:3px;height:20px;flex:none}
.snd-hint .eq i{display:block;width:3px;background:var(--ink);border-radius:2px;animation:eq 1s ease-in-out infinite}
.snd-hint .eq i:nth-child(1){height:40%}.snd-hint .eq i:nth-child(2){height:90%;animation-delay:.15s}.snd-hint .eq i:nth-child(3){height:60%;animation-delay:.3s}.snd-hint .eq i:nth-child(4){height:80%;animation-delay:.45s}
@keyframes eq{50%{transform:scaleY(.35)}}
@keyframes hintIn{from{opacity:0;transform:translateY(-14px)}}
@media (max-width:560px){.snd-hint{left:16px;right:16px;max-width:none;top:calc(62px + env(safe-area-inset-top,0px));padding:12px 16px}}
.snd-hint.out{opacity:0;transform:translateY(-14px);pointer-events:none}
.snd-hint:hover{background:#fff}
@media (max-width:1180px){.rail{display:none}.burger{display:grid}}
@media (max-width:900px){
  .dam-grid,.pp-intro{grid-template-columns:1fr}.dam-grid>*,.pp-intro>*{grid-column:1/-1!important}
  .dam-facts,.pp-facts{grid-template-columns:1fr 1fr}
  .pp-mosaic{grid-template-columns:repeat(2,1fr);grid-auto-rows:42vw}
  .pp-mosaic figure{grid-column:auto!important;grid-row:auto!important}
  .pp-mosaic .m1{grid-column:1/-1!important}
  .say-hero{top:auto;bottom:calc(var(--g) + 120px)}
  .ice-card{top:auto;bottom:12px}
}
@media (max-width:560px){.dam-facts,.pp-facts{grid-template-columns:1fr}.nav-r{gap:6px}.snd,.burger{width:34px;height:34px}.snd{padding:0;justify-content:center;gap:0}.snd .snd-l{display:none}.snd svg{width:17px;height:17px}}
@media (max-width:1180px){.nav ul{display:none}}
@media (max-width:900px){
  .hero-foot{grid-template-columns:1fr 1fr auto}.hero-foot p:nth-child(2){display:none}
  .forest-card{left:30%;width:52%;top:38%}
  .forest-low{grid-template-columns:1fr 1fr;min-height:0;margin-top:62vw}
  .forest-low .txt{grid-column:1/-1}
  .forest-low .small{grid-column:2/3;margin-top:0}
  .sea-intro{grid-template-columns:1fr}.sea-intro .lead,.sea-intro .copy{grid-column:1/-1}
  .expand{height:180vh}
  .expand-facts{grid-template-columns:1fr;gap:18px}
  .ch-zh .cut{width:100%;height:52%}
  .ch-zh .ttl{left:var(--g);width:auto;top:18%}
  .ch-zh .copy{display:none}
  .ch-port .ttl{right:var(--g)}
  .ch-kop .pic{width:72vw}
  .ch-kop .side2{display:none}
  .ch-gar .ttl{width:auto;right:var(--g);top:auto;bottom:var(--g)}
  .ch-gar .ch-in:after{background:linear-gradient(0deg,rgba(16,21,18,.92) 0%,rgba(16,21,18,.4) 55%,transparent 80%)}
  .idel{height:200vh}
  .idel-copy{align-self:flex-start;margin:0 var(--g)}
  .atlas-head,.people-head,.hist-intro,.foot-cta{grid-template-columns:1fr}
  .atlas-head>*,.people-head>*,.hist-intro>*,.foot-cta>*{grid-column:1/-1!important}
  .hs{height:auto!important}.hs-sticky{position:relative;height:auto;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:60px}
  .hs-track{transform:none!important}.card{flex-basis:72vw;scroll-snap-align:center}.card:nth-child(even){margin-top:0}.hs-progress{display:none}
  .hist-grid{grid-template-columns:1fr}
  .hist-sticky{position:sticky;top:0;height:auto;padding:70px 0 18px;background:var(--lime);z-index:3}
  .year{font-size:28vw}.era{min-height:0;margin-top:12px}
  .hist-list{padding-top:4vh}.ev{min-height:0;padding:6vh 0}
  .wild-body{grid-template-columns:1fr}.wild-side{position:relative;top:0;grid-column:1/-1}
  .wild-cols{grid-column:1/-1;height:120vh}
  .guide-main{grid-template-columns:1fr;gap:28px}
  .g-poster{order:-1;height:auto;width:min(100%,520px);max-width:none;justify-self:center}
  .row{grid-template-columns:1fr auto;gap:10px 16px}
  .row .num,.row small{display:none}.row p{grid-column:1/2}.row .arrow-btn{grid-row:1/3;grid-column:2}
  .steps,.notes{grid-template-columns:1fr}
}
@media (max-width:560px){
  .brand{display:none}
  .langs button{padding:7px 7px}
  .hero-foot{grid-template-columns:1fr auto}.hero-foot p:nth-child(3){display:none}
  .wild-cols{grid-template-columns:1fr 1fr}.wcol:nth-child(3){display:none}
  .ch-desc{max-width:24ch}
  .tab{padding:9px 12px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}.rv{opacity:1;transform:none}}

/* atlas sizing: fits under the nav on any laptop */
.hs-sticky{padding-top:64px;box-sizing:border-box}
.card{flex-basis:clamp(230px,min(27vw,calc((88vh - 300px) * .8)),460px);cursor:pointer;position:relative}
.card:nth-child(even){margin-top:8vh}
.card:focus-visible{outline:2px solid var(--ink);outline-offset:8px;border-radius:12px}
.card .open-hint{z-index:3;position:absolute;top:12px;right:12px;width:44px;height:44px;border-radius:50%;background:var(--cream);display:grid;place-items:center;font-weight:800;transition:transform .5s var(--ease),background .3s}
.card:hover .open-hint{transform:rotate(90deg);background:var(--lime)}
.card .open-hint{cursor:pointer}.card.is-theme .open-hint{display:none}
.card .open-hint:hover{transform:scale(1.12)!important;background:var(--ink)!important;color:var(--lime)}
.card.in-route .open-hint{background:var(--ink);color:var(--lime)}
.card.in-route .open-hint:after{content:"✓"}
.card:not(.in-route) .open-hint:after{content:"+"}

/* map section */
.mapsec{background:var(--cream);color:var(--ink);padding:clamp(60px,10vh,120px) var(--g) clamp(80px,12vh,140px);position:relative}
.map-head{display:grid;grid-template-columns:repeat(12,1fr);gap:var(--g);align-items:end;margin-bottom:clamp(30px,5vh,60px)}
.map-head h2{grid-column:1/8}.map-head .copy{grid-column:9/13}
.map-wrap{isolation:isolate;position:relative;height:min(82vh,860px);min-height:520px;border-radius:clamp(14px,1.6vw,24px);overflow:hidden;border:1.5px solid var(--ink)}
.lmap{position:absolute;inset:0;background:#e7e2d4;font-family:var(--text);z-index:0}
.lmap.scheme{background:var(--lime)}
.map-toggle{position:absolute;z-index:500;top:14px;right:14px;display:flex;gap:4px;background:var(--cream);border:1.5px solid var(--ink);border-radius:999px;padding:3px}
.map-toggle button{font:700 10px/1 var(--text);letter-spacing:.08em;text-transform:uppercase;padding:9px 12px;border-radius:999px}
.map-toggle button[aria-pressed="true"]{background:var(--ink);color:var(--cream)}
.pin{display:grid;place-items:center}
.pin b{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:var(--cream);color:var(--ink);border:2px solid var(--ink);font:800 12px/1 var(--text);letter-spacing:-.02em;box-shadow:0 6px 18px -6px rgba(0,0,0,.4);transition:transform .35s var(--ease),background .3s}
.pin:hover b{transform:scale(1.15)}
.pin.in b{background:var(--ink);color:var(--lime);border-color:var(--lime)}
.pin-tip{font:700 12px/1.2 var(--text);border:1.5px solid var(--ink);border-radius:8px;box-shadow:none;padding:6px 9px}
.map-label{white-space:nowrap;pointer-events:none}
.map-label span{display:inline-block;transform:translate(-50%,-50%);font:800 13px/1 var(--text);letter-spacing:.02em;text-transform:uppercase;color:var(--olive)}
.map-label.it span{font:600 italic 13px/1 var(--text);text-transform:none;color:#eaf3f2;letter-spacing:.04em}
.leaflet-container a{color:var(--ink)}
.leaflet-control-attribution{font:10px/1.3 var(--text)!important;background:rgba(241,237,227,.85)!important}
.leaflet-bar a{color:var(--ink)!important;border-color:var(--ink)!important}
.leaflet-bar{border:1.5px solid var(--ink)!important;border-radius:10px!important;overflow:hidden;box-shadow:none!important}
.route{position:absolute;z-index:500;left:14px;top:14px;bottom:14px;width:min(360px,calc(100% - 28px));background:var(--cream);border:1.5px solid var(--ink);border-radius:16px;padding:20px;display:flex;flex-direction:column;gap:14px;overflow:auto}
.route-h{display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap}
.route h3{font:800 clamp(24px,2.2vw,34px)/1 var(--text);letter-spacing:-.04em}
.route-stat{font:600 12px/1.3 var(--text);opacity:.7}
.route-list{list-style:none;display:flex;flex-direction:column;gap:6px}
.route-list li{display:grid;grid-template-columns:28px 1fr auto;gap:8px;align-items:center;padding:8px 0;border-top:1px solid rgba(16,21,18,.18)}
.rn{font:800 12px/1 var(--text);color:var(--olive)}
.rname{text-align:left;font:700 15px/1.2 var(--text);letter-spacing:-.01em}
.rname:hover{text-decoration:underline;text-underline-offset:3px}
.rctl{display:flex;gap:2px}
.rctl button{width:28px;height:28px;border-radius:50%;font-size:12px;font-weight:700}
.rctl button:hover:not(:disabled){background:var(--ink);color:var(--cream)}
.rctl button:disabled{opacity:.25;cursor:default}
.route-empty{font-size:14px;opacity:.75;max-width:30ch}
.route-act{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto}
.route-act .pill{padding:12px 16px;font-size:11px}
.pill.solid{background:var(--ink);color:var(--lime);border-color:var(--ink)}
.pill.solid:hover{background:var(--lime);color:var(--ink)}
.route-act .pill:not(.solid):hover{background:var(--ink);color:var(--cream)}
.linkbtn{font:600 12px/1 var(--text);text-decoration:underline;text-underline-offset:3px;opacity:.7;padding:12px 4px}
.route-badge[hidden]{display:none}
.route-badge{display:inline-grid;place-items:center;min-width:18px;height:18px;border-radius:9px;background:var(--lime);color:var(--ink);font:800 10px/1 var(--text);margin-left:6px;padding:0 5px}

/* drawer */
.drawer{position:fixed;inset:0;z-index:70;pointer-events:none}
.drawer-bg{position:absolute;inset:0;background:rgba(16,21,18,.5);opacity:0;transition:opacity .5s var(--ease)}
.drawer-panel{position:absolute;top:0;right:0;bottom:0;width:min(600px,100%);background:var(--cream);color:var(--ink);overflow-y:auto;overscroll-behavior:contain;transform:translateX(102%);transition:transform .7s var(--ease);padding-bottom:calc(40px + env(safe-area-inset-bottom,0px))}
.drawer.on{pointer-events:auto}.drawer.on .drawer-bg{opacity:1}.drawer.on .drawer-panel{transform:none}
.drawer-x{position:sticky;top:calc(14px + env(safe-area-inset-top,0px));margin:14px 14px -64px auto;z-index:3;background:var(--cream);width:50px!important;height:50px!important;font-size:18px;display:grid}
.drawer-x:hover{background:var(--ink);color:var(--cream)}
.dr-gal-wrap{position:relative}
.dr-gal{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:6px;scrollbar-width:none;cursor:grab}
.dr-gal.drag{cursor:grabbing;scroll-snap-type:none}
.dr-gal.drag *{user-select:none}
.dr-gal::-webkit-scrollbar{display:none}
.dr-gal img{flex:0 0 88%;aspect-ratio:4/3;object-fit:cover;scroll-snap-align:start}
.dr-gal img:only-child{flex-basis:100%}
.dr-f img{-webkit-user-drag:none}
.dr-gal-btn{position:absolute;top:50%;transform:translateY(-50%);z-index:2;width:42px;height:42px;border-radius:50%;border:1.5px solid var(--ink);background:var(--cream);color:var(--ink);display:grid;place-items:center;font:400 24px/1 var(--text);box-shadow:0 6px 18px rgba(0,0,0,.22);opacity:.94;transition:background .2s,color .2s,opacity .2s}
.dr-gal-btn:hover{background:var(--ink);color:var(--cream)}
.dr-gal-btn:disabled{opacity:.3;cursor:default}
.dr-gal-prev{left:10px}
.dr-gal-next{right:10px}
.dr-gal-count{position:absolute;left:10px;top:10px;z-index:2;background:rgba(16,21,18,.72);color:#fff;padding:5px 9px;border-radius:6px;font-size:10px;letter-spacing:.06em;pointer-events:none}
.dr-gal-wrap.single .dr-gal-btn,.dr-gal-wrap.single .dr-gal-count{display:none}
@media (hover:none){.dr-gal-btn{display:none}}
.dr-body{padding:26px clamp(18px,4vw,40px) 0;display:flex;flex-direction:column;gap:16px}
.dr-meta{display:flex;justify-content:space-between}
.dr-title{font:800 clamp(38px,5vw,64px)/.9 var(--text);letter-spacing:-.05em;text-transform:uppercase;text-wrap:balance}
:lang(zh-Hans) .dr-title{letter-spacing:0}
.dr-short{font-size:clamp(17px,1.4vw,21px);line-height:1.3;font-weight:500}
.dr-actions{display:flex;flex-wrap:wrap;gap:8px}
.dr-actions .pill{padding:13px 16px;font-size:11px}
.dr-actions .pill:hover{background:var(--ink);color:var(--cream)}
.dr-add.on{background:var(--lime)!important;color:var(--ink)!important;border-color:var(--ink)}
.dr-body h4{margin-top:10px;color:var(--olive)}
.dr-body p.txt{font-size:16px;line-height:1.5;max-width:52ch}
.dr-coords{display:flex;flex-wrap:wrap;gap:8px 12px;align-items:center;padding:14px 0;border-top:1.5px solid var(--ink);border-bottom:1.5px solid var(--ink)}
.dr-coords code{font:600 14px/1 ui-monospace,SFMono-Regular,Menlo,monospace;user-select:all}
.dr-copy{font:700 11px/1 var(--text);letter-spacing:.08em;text-transform:uppercase;text-decoration:underline;text-underline-offset:3px}
.dr-approx{font-size:12px;opacity:.7}
.dr-theme{font-size:14px;opacity:.75}
.dr-photos{margin-top:12px;display:flex;flex-direction:column;gap:12px}
.ph-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px}
.ph-grid figure{display:flex;flex-direction:column;gap:6px}
.ph-grid img{width:100%;aspect-ratio:1;object-fit:cover;border-radius:8px;cursor:zoom-in}
.ph-grid figcaption{font-size:12px;line-height:1.35;opacity:.75}
.ph-none{font-size:14px;opacity:.7}
.ph-form summary{list-style:none;cursor:pointer;display:inline-flex}
.ph-form summary::-webkit-details-marker{display:none}
.ph-form[open] summary{background:var(--ink);color:var(--cream)}
.ph-form form{display:flex;flex-direction:column;gap:10px;margin-top:14px;padding:16px;border:1.5px solid var(--ink);border-radius:14px;background:#fff}
.ph-form label{font-size:13px;display:flex;flex-direction:column;gap:6px}
.ph-form input[type=text],.ph-form textarea{font:inherit;font-size:15px;padding:10px 12px;border:1.5px solid rgba(16,21,18,.35);border-radius:10px;background:var(--cream);color:var(--ink)}
.ph-form input[type=file]{font-size:13px}
.ph-form .chk{flex-direction:row;align-items:flex-start;gap:10px}
.ph-form .chk input{margin-top:3px;width:18px;height:18px;accent-color:var(--ink)}
.ph-form .hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.ph-prev{display:flex;gap:6px}.ph-prev img{width:64px;height:64px;object-fit:cover;border-radius:6px}
.ph-status{font-size:13px;min-height:1.2em}
.ph-mail{display:flex;flex-direction:column;align-items:flex-start;gap:12px;margin-top:6px;padding:16px;border:1.5px dashed rgba(16,21,18,.45);border-radius:14px}
.ph-mail[hidden]{display:none!important}.ph-mail-t{font-size:14px;line-height:1.45;margin:0}
.route-suggest{display:block;margin-top:14px;font-size:13px;text-decoration:underline;text-underline-offset:3px;opacity:.75}.route-suggest:hover{opacity:1}
.ph-form button[type=submit]{align-self:flex-start}
.ph-form button:disabled,.ph-form input:disabled{opacity:.5;cursor:not-allowed}

/* toast */
.toast{position:fixed;z-index:90;left:50%;bottom:calc(24px + env(safe-area-inset-bottom,0px));transform:translate(-50%,20px);background:var(--ink);color:var(--lime);padding:14px 20px;border-radius:999px;font:700 13px/1.2 var(--text);opacity:0;pointer-events:none;transition:opacity .4s,transform .5s var(--ease);max-width:calc(100% - 32px);text-align:center}
.toast.on{opacity:1;transform:translate(-50%,0)}

@media (max-width:900px){
  .map-head{grid-template-columns:1fr}.map-head>*{grid-column:1/-1!important}
  .map-wrap{height:auto;min-height:0;border-radius:14px;display:flex;flex-direction:column;overflow:visible;border:0}
  .lmap{position:relative;height:66vh;border:1.5px solid var(--ink);border-radius:14px}
  .map-toggle{top:12px;right:12px}
  .route{position:relative;inset:auto;width:auto;margin-top:12px}
  .hs-sticky{padding-top:0}
}