:root,:root[data-theme=dark],:root[data-theme=light]{color-scheme:light;--font-sans:"Google Sans Flex","Google Sans Flex Fallback",system-ui,sans-serif;--surface:#eef3f8;--surface-sunken:rgba(255,255,255,0.42);--surface-raised:rgba(255,255,255,0.78);--surface-sidebar:#eef3f8;--surface-input:rgba(255,255,255,0.62);--surface-hover:rgba(23,44,51,0.05);--surface-active:rgba(23,44,51,0.08);--surface-selected:rgba(23,44,51,0.07);--surface-menu:#fff;--surface-tooltip:#fff;--ink:#172c33;--ink-secondary:#3e505b;--ink-tertiary:#56666d;--ink-inverse:#fff;--border-light:rgba(23,44,51,0.08);--border:rgba(23,44,51,0.12);--border-heavy:rgba(23,44,51,0.22);--action:#172c33;--action-ink:#fff;--accent:#1261c9;--accent-hover:#0d4fa6;--accent-ink:#fff;--accent-text:#1261c9;--success:#1c8f4e;--danger:#c8322a;--radius-menu:24px;--shadow-tooltip:0 18px 40px -18px rgba(23,44,51,0.35);--forest-bar-trees:#4ecc54;--forest-bar-water:#2dcee7;--forest-bar-co2:#15d9a5;--forest-bar-light:#ffae19;--brand-blue:#1e88fd;--brand-green:#4ecc54;--brand-sun:#ffae19}html:has(.eco-page){background:#e1eaf2}body{background:transparent}.site-frame{min-height:100dvh;overflow-x:clip}.site-app{position:relative;z-index:2;width:min(1200px,calc(100% - 2 * var(--eco-gutter, 56px)));margin-inline:auto;padding-top:132px}.site-app--read{width:min(880px,calc(100% - 2 * var(--eco-gutter, 56px)))}@media (width <= 860px){.site-app,.site-app--read{width:calc(100% - 40px);padding-top:108px}}.site-head{padding-bottom:40px}.site-head .eco-label{color:var(--eco-blue);margin-bottom:14px}.site-head h1{font-size:clamp(40px,6vw,68px);font-weight:500;line-height:1.02;letter-spacing:-.03em;color:var(--eco-ink);text-wrap:balance;max-width:16em}.site-head .eco-lead{margin-top:18px;max-width:34em}.site-head-actions{margin-top:28px;display:flex;flex-wrap:wrap;gap:10px}.site-section-title{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--eco-line)}.site-section-title h2{font-size:22px;font-weight:500;letter-spacing:-.015em;line-height:1.2}.site-section-title p{margin-top:4px;font-size:14px;color:var(--eco-ink-3)}.site-card{border-radius:28px;background:var(--eco-glass-card-bg,rgba(255,255,255,.34));box-shadow:var(--eco-glass-card-shadow,inset 0 1px 0 #ffffffeb,inset 0 0 0 1px #ffffff80,0 10px 26px -14px #172c3342);backdrop-filter:var(--eco-glass-blur,blur(16px) saturate(1.7))}.site-card--solid{background:rgba(255,255,255,.72)}.site-pill{display:inline-flex;align-items:center;gap:8px;min-height:40px;padding:0 16px;border-radius:999px;background:var(--eco-white-62,rgba(255,255,255,.62));box-shadow:var(--eco-glass-field-shadow,inset 0 1px 0 #fff,inset 0 0 0 1px #172c3314,0 10px 24px -14px #172c334d);font-size:15px;font-weight:500;color:var(--eco-ink);transition:background .2s}.site-pill:hover{background:rgba(255,255,255,.86)}.site-pill[aria-current=page],.site-pill[aria-pressed=true]{background:#fff;font-weight:600;color:var(--eco-blue-hover,#0d4fa6);box-shadow:inset 0 1px 0 #fff,inset 0 0 0 1.5px var(--eco-blue-ring,#1261c980),0 10px 24px -14px #172c334d}.site-compare-tray{position:fixed;z-index:55;left:50%;bottom:max(16px,env(safe-area-inset-bottom));translate:-50%}.eco-page .glass-card{background:rgba(255,255,255,.5);border-color:rgba(255,255,255,.6)}.eco-page table thead th{font-weight:600}.eco-page .blog-prose ol,.eco-page .blog-prose p,.eco-page .blog-prose ul{color:var(--eco-ink-2)}.site-arrow{transition:translate .2s ease}a:hover>.site-arrow,button:hover>.site-arrow{translate:3px 0}.site-visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}@media (prefers-reduced-motion:reduce){.site-arrow{transition:none}}.site-policy-frame{position:relative;height:min(820px,calc(100dvh - 160px));min-height:560px}.eco-page .pt-root{--pt-font:var(--eco-font)}.eco-page .eco-frame.site-policy-window{overflow:hidden;isolation:isolate}.wr-stage{width:min(760px,100%);margin-top:56px}.wr-drop{position:relative;text-align:center;padding:48px 40px 36px;border-radius:32px;background:var(--eco-glass-card-bg);box-shadow:var(--eco-glass-frame-shadow);backdrop-filter:var(--eco-glass-blur);transition:background .2s,box-shadow .2s}.wr-drop.is-over{background:rgba(255,255,255,.62);box-shadow:inset 0 0 0 2px var(--eco-blue),var(--eco-glass-frame-shadow)}.wr-drop-icon{width:64px;height:64px;margin:0 auto 18px;border-radius:999px;display:grid;place-items:center;background:var(--eco-white-86);box-shadow:var(--eco-glass-field-shadow);color:var(--eco-blue)}.wr-drop-title{font-size:28px;font-weight:500;letter-spacing:-.02em;line-height:1.15;color:var(--eco-ink)}.wr-drop-sub{margin:10px auto 0;font-size:17px;line-height:1.5;color:var(--eco-ink-2);max-width:30em}.wr-drop-actions{margin-top:28px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.wr-drop-actions button:disabled{opacity:.5;cursor:default}.wr-drop-note{margin-top:20px;display:inline-flex;gap:8px;align-items:center;font-size:14px;color:var(--eco-ink-3)}.wr-progress-bar{margin:26px auto 0;max-width:520px}.wr-error{margin-top:16px;color:#b42318;font-size:16px;text-align:center}.wr-guides{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.wr-guide .eco-subtitle{margin-top:6px}.wr-guide ol{margin-top:22px;counter-reset:step;display:grid;gap:14px;padding:0;list-style:none}.wr-guide li{position:relative;padding-left:42px;font-size:17px;line-height:1.5;color:var(--eco-ink-2)}.wr-guide li:before{counter-increment:step;content:counter(step);position:absolute;left:0;top:-1px;width:28px;height:28px;border-radius:999px;display:grid;place-items:center;background:var(--eco-white-86);font-size:14px;font-weight:600;color:var(--eco-ink);box-shadow:var(--eco-glass-field-shadow)}.wr-faq-planet{width:110px;height:110px;left:4%;top:40px}@media (width <= 860px){.wr-guides{grid-template-columns:1fr}.wr-drop{padding:36px 22px 28px;border-radius:28px}.wr-drop-title{font-size:23px}.wr-stage{margin-top:36px}}.wr-ready{position:relative}.wr-report{padding-top:150px}.wr-report-head{text-align:center}.wr-report-title{margin:14px auto 0;max-width:13em;font-size:clamp(40px,6.4vw,76px);font-weight:470;line-height:1.02;letter-spacing:-.03em;color:var(--eco-ink);text-wrap:balance}.wr-report-head .eco-lead{margin:20px auto 0}.wr-ranges{margin-top:28px;gap:8px}.wr-head-actions,.wr-ranges{display:flex;flex-wrap:wrap;justify-content:center}.wr-head-actions{margin-top:22px;gap:12px}.wr-sec{position:relative;margin-top:104px}.wr-sec-title{font-size:clamp(32px,4.2vw,48px);font-weight:500;letter-spacing:-.03em;line-height:1.05;color:var(--eco-ink);text-wrap:balance}.wr-sec-lead{margin-top:12px;font-size:19px;line-height:1.4;color:var(--eco-ink-2);max-width:36em}.wr-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.wr-compare.eco-card,.wr-progress-note.eco-card,.wr-stat.eco-card{padding:28px}.wr-stat-n{margin-top:12px;font-size:clamp(44px,5vw,64px);font-weight:470;letter-spacing:-.04em;line-height:.95;color:var(--eco-ink);font-variant-numeric:tabular-nums;white-space:nowrap}.wr-stat-n span{font-size:.38em;font-weight:500;letter-spacing:-.01em;margin-left:.2em;color:var(--eco-ink-2)}.wr-stat-l{margin-top:12px;font-size:15px;line-height:1.45;color:var(--eco-ink-2)}.wr-tiles{margin-top:28px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.wr-tile{padding:22px 22px 20px;border-radius:24px;background:var(--eco-glass-card-bg);box-shadow:var(--eco-glass-card-shadow);backdrop-filter:var(--eco-glass-blur)}.wr-tile-n{font-size:34px;font-weight:470;letter-spacing:-.03em;line-height:1;color:var(--eco-ink);font-variant-numeric:tabular-nums}.wr-tile-l{margin-top:8px;font-size:14.5px;line-height:1.4;color:var(--eco-ink-2)}.wr-two{margin-top:28px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.wr-chart.eco-card{padding:24px 24px 18px}.wr-chart-title{font-size:15px;font-weight:600;color:var(--eco-ink)}.wr-bars{margin-top:16px;height:140px;gap:3px}.wr-bar,.wr-bars{display:flex;align-items:flex-end}.wr-bar{flex:1;height:100%}.wr-bar span{width:100%;border-radius:6px 6px 2px 2px;background:color-mix(in srgb,var(--eco-blue) 28%,white)}.wr-bar.is-hi span{background:var(--eco-blue)}.wr-axis{margin-top:8px;display:flex;justify-content:space-between;font-size:12px;color:var(--eco-ink-3)}.wr-models.eco-card{margin-top:16px;padding:24px}.wr-models ul{margin-top:14px;display:grid;gap:10px;list-style:none;padding:0}.wr-models li{display:grid;grid-template-columns:minmax(0,13rem) minmax(0,1fr) 4.5rem;gap:14px;align-items:center;font-size:15px;color:var(--eco-ink)}.wr-model-name em{margin-left:8px;font-style:normal;font-size:12px;padding:2px 8px;border-radius:999px;background:color-mix(in srgb,var(--brand-sun) 24%,white);color:#7a4a00}.wr-model-bar{height:10px;border-radius:999px;background:rgba(23,44,51,.06);overflow:hidden}.wr-model-bar span{display:block;height:100%;border-radius:999px;background:var(--eco-blue)}.wr-model-n{text-align:right;font-variant-numeric:tabular-nums;color:var(--eco-ink-2)}.wr-breakdown.eco-card{margin-top:28px;padding:28px}.wr-stack{display:flex;height:22px;border-radius:999px;overflow:hidden;background:rgba(23,44,51,.06)}.wr-stack span{height:100%}.wr-legend{margin-top:18px;display:grid;gap:10px;list-style:none;padding:0}.wr-legend li{display:grid;grid-template-columns:14px minmax(0,1fr) auto 3.5rem;gap:12px;align-items:center;font-size:15px;color:var(--eco-ink-2)}.wr-legend i{width:12px;height:12px;border-radius:4px}.wr-legend b{color:var(--eco-ink);font-weight:600}.wr-legend b,.wr-legend span{font-variant-numeric:tabular-nums}.wr-legend span{text-align:right;color:var(--eco-ink-3)}.wr-tier{margin-top:18px;display:flex;gap:4px}.wr-tier span{flex:1 1 0;min-width:0;text-align:center;font-size:11.5px;padding:8px 4px;border-radius:10px;background:rgba(23,44,51,.05);color:var(--eco-ink-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.wr-tier span.is-past{background:color-mix(in srgb,var(--eco-blue) 14%,white);color:var(--eco-ink-2)}.wr-tier span.is-on{background:var(--eco-blue);color:#fff;font-weight:600}.wr-tips{margin-top:28px;display:grid;gap:14px;list-style:none;padding:0}.wr-tips li.eco-card{display:grid;grid-template-columns:3rem minmax(0,1fr);gap:8px;padding:26px 28px}.wr-tip-idx{font-size:15px;color:var(--eco-ink-3);padding-top:4px}.wr-tips h3{font-size:22px;font-weight:500;letter-spacing:-.015em;color:var(--eco-ink)}.wr-tips p{margin-top:6px;font-size:16.5px;line-height:1.55;color:var(--eco-ink-2);max-width:46em}.wr-tips .wr-tip-save{color:var(--eco-ink)}.wr-pledge.eco-card{margin-top:16px;padding:32px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);gap:32px;align-items:center}.wr-pledge .wr-ranges{justify-content:flex-start;margin-top:16px}.wr-pledge-title{margin-top:8px;font-size:28px;font-weight:500;letter-spacing:-.02em;color:var(--eco-ink)}.wr-pledge-out p{font-size:18px;line-height:1.5;color:var(--eco-ink-2)}.wr-pledge-out b{color:var(--eco-ink);font-weight:600}.wr-muted,.wr-pledge-out .wr-muted{margin-top:10px;font-size:14px;line-height:1.5;color:var(--eco-ink-3)}.wr-quit.eco-panel{position:relative;text-align:center;padding:88px 48px;overflow:hidden}.wr-quit .eco-lead{margin:18px auto 0;max-width:30em}.wr-quit-title{margin:12px auto 0;max-width:14em;font-size:clamp(34px,5vw,60px);font-weight:500;letter-spacing:-.03em;line-height:1.04;color:var(--eco-ink);text-wrap:balance}.wr-quit-planet{position:absolute;width:150px;height:150px;right:-28px;top:-28px;opacity:.9;pointer-events:none}.wr-share{margin-top:24px;display:flex;flex-wrap:wrap;gap:10px}.wr-share .eco-btn,.wr-share .eco-btn-glass{height:50px;padding:0 22px;font-size:16px}.wr-share button:disabled{opacity:.6}.wr-method.eco-card{padding:32px}.wr-method-title{font-size:22px;font-weight:500;color:var(--eco-ink)}.wr-method ul{margin-top:14px;display:grid;gap:8px;padding-left:1.2em;list-style:disc;color:var(--eco-ink-2);font-size:15.5px;line-height:1.55}.wr-progress-note{margin-top:28px}@media (width <= 1100px){.wr-stats,.wr-tiles{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width <= 860px){.wr-report{padding-top:112px}.wr-pledge.eco-card,.wr-two{grid-template-columns:1fr}.wr-pledge.eco-card{padding:24px;gap:20px}.wr-quit.eco-panel{padding:64px 22px}.wr-models li{grid-template-columns:minmax(0,1fr) 3.5rem;row-gap:6px}.wr-model-bar{grid-column:1/-1;order:3}.wr-sec{margin-top:72px}.wr-tips li.eco-card{grid-template-columns:1fr;padding:22px}}@media (width <= 560px){.wr-stats,.wr-tiles{grid-template-columns:1fr 1fr;gap:10px}.wr-stat.eco-card{padding:20px}.wr-stat-n{font-size:38px}.wr-tile{padding:18px 16px;border-radius:20px}.wr-tile-n{font-size:26px}.wr-legend li{grid-template-columns:14px minmax(0,1fr) auto}.wr-legend li span{display:none}}.wr-story{position:fixed;inset:0;z-index:100;overflow:hidden;outline:none;color:var(--eco-ink);font-family:var(--eco-font);display:flex;flex-direction:column}.wr-story-sky{position:absolute;inset:0;background:radial-gradient(900px 700px at 12% 8%,#fff8ea 0,transparent 60%),radial-gradient(900px 800px at 92% 92%,#cfe2f6 0,transparent 65%),linear-gradient(180deg,#f6f1ea,#e7eef6 55%,#dde7f3)}.wr-story-art{position:absolute;inset:0;width:100%;height:100%;-o-object-fit:cover;object-fit:cover;-o-object-position:75% 50%;object-position:75% 50%;opacity:.9;animation:wr-art-in 1.2s ease both}.wr-story-veil{position:absolute;inset:0;background:linear-gradient(90deg,rgba(246,242,236,.94),rgba(246,242,236,.72) 42%,rgba(246,242,236,0) 78%)}.wr-story-top{position:relative;z-index:3;width:min(1120px,100%);margin:0 auto;padding:max(14px,env(safe-area-inset-top)) 22px 0}.wr-progress{display:flex;gap:6px}.wr-progress span{position:relative;flex:1;height:4px;border-radius:999px;background:rgba(23,44,51,.14);overflow:hidden}.wr-progress span.is-done{background:var(--eco-ink)}.wr-progress span.is-on:after{content:"";position:absolute;inset:0;background:var(--eco-ink);transform-origin:left;animation:wr-fill .6s ease both}.wr-story-bar{margin-top:14px;display:flex;align-items:center;justify-content:space-between}.wr-icon{width:44px;height:44px;border-radius:999px;display:grid;place-items:center;background:var(--eco-white-62);box-shadow:var(--eco-glass-field-shadow);color:var(--eco-ink)}.wr-icon:disabled{opacity:.35}.wr-tap{position:absolute;top:96px;bottom:84px;z-index:2;background:transparent;border:0;cursor:pointer}.wr-tap--prev{left:0;width:28%}.wr-tap--next{right:0;width:72%}.wr-slide{position:relative;z-index:1;flex:1;min-height:0;width:min(1120px,100%);margin:0 auto;padding:0 28px;display:flex;flex-direction:column;justify-content:center;pointer-events:none;animation:wr-slide-in .6s cubic-bezier(.22,1,.36,1) both}.wr-slide--share{pointer-events:auto;z-index:3}.wr-slide .eco-label{color:var(--eco-blue)}.wr-h{margin-top:16px;font-size:clamp(28px,4.4vw,52px);font-weight:500;letter-spacing:-.03em;line-height:1.05;max-width:14em;text-wrap:balance}.wr-n{margin-top:10px;font-size:clamp(84px,16vw,210px);font-weight:470;letter-spacing:-.05em;line-height:.92;font-variant-numeric:tabular-nums;white-space:nowrap}.wr-n--word{font-size:clamp(56px,10vw,128px);white-space:normal;line-height:.96;letter-spacing:-.04em;text-wrap:balance;max-width:9em}.wr-u{font-size:.3em;letter-spacing:-.01em;margin-left:.18em;font-weight:500}.wr-l{margin-top:18px;font-size:clamp(19px,2.2vw,26px);line-height:1.35;color:var(--eco-ink-2);max-width:28em;text-wrap:pretty}.wr-likes{margin-top:22px;display:flex;flex-wrap:wrap;gap:10px;list-style:none;padding:0;max-width:44em}.wr-likes li{padding:10px 16px;border-radius:999px;background:var(--eco-white-62);box-shadow:var(--eco-glass-field-shadow);backdrop-filter:var(--eco-glass-blur);font-size:16px;color:var(--eco-ink-2)}.wr-likes b{color:var(--eco-ink);font-weight:600}.wr-facts{margin-top:24px;display:grid;gap:8px;font-size:18px;line-height:1.5;color:var(--eco-ink-2);max-width:34em}.wr-facts b{color:var(--eco-ink);font-weight:600}.wr-grid{margin-top:28px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;max-width:760px}.wr-grid .wr-tile-n{font-size:clamp(40px,5vw,64px)}.wr-final{display:grid;grid-template-columns:auto minmax(0,1fr);gap:56px;align-items:center}.wr-final-card{border-radius:24px;overflow:hidden;background:#fff;box-shadow:0 0 0 1px #172c3312,0 30px 60px -30px #172c3373;aspect-ratio:9/16;height:min(64vh,600px)}.wr-final-card img{width:100%;height:100%;display:block;-o-object-fit:cover;object-fit:cover}.wr-link{margin-top:18px;font-size:16px;font-weight:600;color:var(--eco-blue);text-decoration:underline;text-underline-offset:3px;background:none;border:0;cursor:pointer;padding:0}.wr-story-nav{position:relative;z-index:3;display:flex;justify-content:center;align-items:center;gap:16px;padding:12px 0 max(18px,env(safe-area-inset-bottom))}.wr-count{font-size:14px;color:var(--eco-ink-3);font-variant-numeric:tabular-nums;min-width:4em;text-align:center}@keyframes wr-slide-in{0%{opacity:0;transform:translateY(18px)}}@keyframes wr-art-in{0%{opacity:0;transform:scale(1.04)}}@keyframes wr-fill{0%{transform:scaleX(0)}}@media (width <= 760px){.wr-story-art{-o-object-position:72% 20%;object-position:72% 20%;opacity:.75}.wr-story-veil{background:linear-gradient(180deg,rgba(246,242,236,0),rgba(246,242,236,.55) 38%,rgba(246,242,236,.94) 70%)}.wr-slide{padding:0 22px 8px;justify-content:flex-end}.wr-slide--share{justify-content:flex-start;overflow-y:auto;padding-top:8px}.wr-final{grid-template-columns:1fr;gap:18px;justify-items:center;text-align:center}.wr-final-card{height:min(40vh,380px)}.wr-final .wr-share{justify-content:center}.wr-final .wr-h,.wr-final .wr-l{margin-inline:auto}.wr-grid{grid-template-columns:1fr 1fr;gap:10px}.wr-grid .wr-tile-n{font-size:30px}.wr-facts{font-size:16px}.wr-likes li{font-size:14.5px;padding:8px 14px}}@media (prefers-reduced-motion:reduce){.wr-progress span.is-on:after,.wr-slide,.wr-story-art{animation:none}}.w-stage{margin:64px auto 0;display:flex;justify-content:center}.w-card{width:min(380px,78vw);aspect-ratio:9/16;border-radius:28px;overflow:hidden;background:#fff;box-shadow:0 0 0 1px #172c3312,0 30px 60px -30px #172c3373}.w-card img{width:100%;height:100%;display:block}.home-card img{width:100%;height:auto;display:block}.home-step.eco-card{padding:36px 32px}.home-step .eco-body,.home-step .eco-subtitle{margin-top:10px}.home-scale{grid-column:1/span 8}.home-src{margin-top:16px}.home-giant{width:230px;height:auto;right:-60px;top:-40px}.home-moon{width:120px;height:120px;left:6%;top:-10px}.home-row{align-items:center!important}.home-row-name{display:flex;align-items:center;gap:16px;min-width:0}.home-row-rank{width:1.6em;font-size:15px;font-weight:600;color:var(--eco-ink-3);font-variant-numeric:tabular-nums}.home-row:hover .eco-row-title{color:var(--eco-blue)}.home-post{min-height:240px}.home-closing{position:relative}.home-closing-title{margin-inline:auto}@media (width <= 860px){.home-row{flex-direction:row!important;align-items:center!important}.home-row .eco-row-title{font-size:19px}.home-post{min-height:0}}.ph{position:relative;aspect-ratio:1206/2622;overflow:hidden;background:linear-gradient(180deg,#f6f1ea,#e7eef6 60%,#dde7f3);font-family:var(--eco-font);color:var(--eco-ink)}.ph-art{position:absolute;inset:0;width:100%;height:46%;-o-object-fit:cover;object-fit:cover;-o-object-position:75% 40%;object-position:75% 40%}.ph-art--giant{-o-object-position:92% 40%;object-position:92% 40%}.ph-art--planets{-o-object-position:60% 30%;object-position:60% 30%}.ph-veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(246,242,236,0),rgba(246,242,236,.55) 22%,rgba(240,244,248,.94) 40%,#eef2f7 60%)}.ph-top{position:relative;padding:26px 14px 0}.ph-bars{display:flex;gap:3px}.ph-bars i{flex:1;height:3px;border-radius:999px;background:rgba(23,44,51,.15)}.ph-bars i.on{background:var(--eco-ink)}.ph-body{position:absolute;left:0;right:0;top:27%;padding:0 18px}.ph-label{font-size:10.5px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--eco-blue)}.ph-h{margin-top:8px;font-size:19px;font-weight:500;letter-spacing:-.02em;line-height:1.1}.ph-n{margin-top:6px;font-size:60px;font-weight:470;letter-spacing:-.05em;line-height:.95;font-variant-numeric:tabular-nums;white-space:nowrap}.ph-n span{font-size:.32em;margin-left:.2em;letter-spacing:-.01em;font-weight:500}.ph-word{margin-top:6px;font-size:38px;font-weight:470;letter-spacing:-.04em;line-height:1}.ph-l{margin-top:10px;font-size:13.5px;line-height:1.4;color:var(--eco-ink-2)}.ph-chips{margin-top:12px;display:flex;flex-wrap:wrap;gap:6px;list-style:none;padding:0}.ph-chips li{padding:6px 10px;border-radius:999px;background:rgba(255,255,255,.7);box-shadow:inset 0 0 0 1px rgba(23,44,51,.06);font-size:11.5px;color:var(--eco-ink-2)}.ph-tips{margin-top:12px;display:grid;gap:8px;list-style:none;padding:0}.ph-tips li{display:flex;flex-direction:column;padding:10px 12px;border-radius:14px;background:rgba(255,255,255,.72);font-size:12px}.ph-tips b{font-size:13px;font-weight:600}.ph-tips span{color:var(--eco-ink-3);margin-top:2px}html[data-story] .eco-nav,html[data-story] .site-compare-tray{display:none}.site-doc-hero .eco-label{color:var(--eco-blue);margin-bottom:16px}.site-doc-lead.eco-lead{margin-top:22px}.site-doc-updated{margin-top:16px}.site-doc-body{margin-top:96px;display:grid;grid-template-columns:220px minmax(0,1fr);gap:72px;align-items:start}.site-doc-toc{position:sticky;top:112px}.site-doc-prose section{scroll-margin-top:110px}.site-doc-prose section+section{margin-top:56px}.site-doc-prose .eco-table{margin-top:20px}.site-doc-prose .eco-table a{color:var(--eco-blue);text-decoration:underline;text-underline-offset:3px}@media (width <= 860px){.site-doc-body{grid-template-columns:1fr;margin-top:48px;gap:24px}.site-doc-toc{display:none}}.eco-ft.eco-ft .site-fg{grid-template-columns:repeat(5,minmax(0,1fr))}.eco-ft.eco-ft .site-fg>:first-child{grid-column:auto}@media (width <= 860px){.eco-ft.eco-ft .site-fg{grid-template-columns:repeat(2,minmax(0,1fr))}}.eco-page{--g-pill-bg:rgba(255,255,255,0.72);--g-pill-edge:rgba(255,255,255,0.7);--g-sheen:rgba(255,255,255,0.92);--g-shadow:rgba(15,30,0,0.1);--g-card-a:rgba(255,255,255,0.8);--g-card-b:rgba(255,255,255,0.4);--g-rim:rgba(255,255,255,0.96);--g-edge:rgba(18,48,35,0.09);--g-drop:rgba(20,28,40,0.18);--g-pane-top:rgba(255,255,255,0.86);--g-pane-bottom:rgba(255,255,255,0.58);--g-pane-rim:rgba(255,255,255,0.3);--g-pane-stroke:rgba(255,255,255,0.9);--g-pane-shadow:rgba(2,62,102,0.22);--g-blur-pill:blur(18px) saturate(1.6);--g-blur-card:blur(24px) saturate(1.5);--g-blur-pane:blur(18px) saturate(1.6)}.eco-nav.eco-nav .eco-nav-dock{border:1px solid rgba(255,255,255,.78);background:rgba(255,255,255,.66);backdrop-filter:blur(22px) saturate(1.8);box-shadow:inset 0 1px 0 rgba(255,255,255,.95),inset 0 -14px 26px -22px rgba(255,255,255,.95),0 0 0 1px rgba(23,44,51,.05),0 2px 6px -2px rgba(23,44,51,.12),0 18px 40px -22px rgba(23,44,51,.35)}.eco-nav.eco-nav .eco-nav-dock a[aria-current=page]{background:rgba(255,255,255,.9);box-shadow:inset 0 1px 0 #fff,0 0 0 1px rgba(23,44,51,.06),0 1px 2px rgba(23,44,51,.08),0 6px 14px -6px rgba(23,44,51,.25)}.eco-ft.eco-ft .eco-stores a,.eco-page .eco-btn-glass.eco-btn-glass,.eco-page .eco-chip.eco-chip,.eco-page .site-pill,.eco-page .wr-icon,.eco-page .wr-likes li{border:1px solid var(--g-pill-edge);background:var(--g-pill-bg);backdrop-filter:var(--g-blur-pill);box-shadow:inset 0 1px 0 var(--g-sheen),0 10px 30px var(--g-shadow)}.eco-ft.eco-ft .eco-stores a:hover,.eco-page .eco-btn-glass.eco-btn-glass:hover,.eco-page .site-pill:hover{background:rgba(255,255,255,.88)}.eco-page .site-pill[aria-current=page],.eco-page .site-pill[aria-pressed=true]{background:#fff;border-color:#fff;box-shadow:inset 0 0 0 1.5px var(--eco-blue-ring,#1261c980),0 10px 30px var(--g-shadow)}.eco-page :is(.eco-btn,.eco-btn-glass,.site-pill,.wr-icon){transition:opacity .18s,scale .18s,background .2s,filter .2s}.eco-page :is(.eco-btn,.eco-btn-glass,.site-pill,.wr-icon):active{scale:.98}.eco-page .eco-card.eco-card,.eco-page .glass-card,.eco-page .site-card,.eco-page .wr-tile{border:1px solid var(--g-rim);background:linear-gradient(165deg,var(--g-card-a) 0,var(--g-card-b) 62%);backdrop-filter:var(--g-blur-card);box-shadow:inset 0 1px 0 var(--g-rim),0 0 0 1px var(--g-edge),0 30px 70px -44px var(--g-drop)}.eco-page .eco-card.eco-card--link:hover{background:linear-gradient(165deg,rgba(255,255,255,.92),rgba(255,255,255,.55) 62%)}.eco-page .eco-panel.eco-panel,.eco-page .wr-drop{border:1px solid var(--g-pane-stroke);backdrop-filter:var(--g-blur-pane);box-shadow:inset 0 0 0 5px var(--g-pane-rim),inset 0 1px 0 #fff,0 30px 80px -32px var(--g-pane-shadow)}.eco-page .eco-panel.eco-panel:not(.student-tile),.eco-page .wr-drop{background:linear-gradient(145deg,var(--g-pane-top),var(--g-pane-bottom))}.eco-page .wr-drop.is-over{box-shadow:inset 0 0 0 5px rgba(18,97,201,.18),inset 0 0 0 2px var(--eco-blue),0 30px 80px -32px var(--g-pane-shadow)}.eco-page .eco-frame.eco-frame,.eco-page .eco-phone.eco-phone{border:1px solid var(--g-rim);background:linear-gradient(160deg,rgba(255,255,255,.78),rgba(255,255,255,.38) 55%,rgba(255,255,255,.78));backdrop-filter:blur(20px) saturate(1.7);box-shadow:inset 0 1px 0 var(--g-rim),0 0 0 1px rgba(0,0,0,.07),0 1px 2px rgba(20,20,20,.08),0 24px 60px -28px rgba(20,28,40,.3)}.wr-story .wr-icon{border:1px solid rgba(255,255,255,.75);background:rgba(255,255,255,.7);backdrop-filter:blur(18px) saturate(1.6);box-shadow:inset 0 1px 0 rgba(255,255,255,.95),0 10px 30px rgba(15,30,0,.12)}.wr-story .wr-likes li,.wr-story .wr-tile{border:1px solid rgba(255,255,255,.8);background:linear-gradient(165deg,rgba(255,255,255,.82),rgba(255,255,255,.5) 70%);backdrop-filter:blur(20px) saturate(1.6);box-shadow:inset 0 1px 0 #fff,0 0 0 1px rgba(18,48,35,.06),0 18px 40px -26px rgba(20,28,40,.3)}.gd{--dock:0;--dock-height:150px;position:sticky;top:calc(100svh - var(--dock-height));z-index:30;height:var(--dock-height);margin-bottom:calc(-1 * var(--dock-height));pointer-events:none;opacity:0;transform:translateY(48px);transition:opacity .45s ease,transform .7s cubic-bezier(.16,1,.3,1)}.gd[data-shown=true]{opacity:1;transform:none}.gd:not([data-shown=true]) .gd-content .eco-btn{pointer-events:none}.gd-arc{position:absolute;inset:-220px 0 0;overflow:hidden;transform-origin:bottom;scale:1 calc(1 - .2 * var(--dock))}.gd-ellipse{position:absolute;top:220px;left:50%;translate:-50%;width:max(141vw,1600px);aspect-ratio:2034/978}.gd-fill{position:absolute;inset:0;border-radius:50%;background:linear-gradient(180deg,rgba(255,255,255,0),rgba(255,255,255,.4) 64px,rgba(255,255,255,.7) 160px);backdrop-filter:blur(20px) saturate(1.6);-webkit-mask-image:linear-gradient(180deg,transparent,#000 72px);mask-image:linear-gradient(180deg,transparent,#000 72px)}.gd-content{position:absolute;top:30px;inset-inline:16px;display:flex;flex-direction:column;align-items:center;gap:10px;transform:translateY(calc(var(--dock) * 34px)) scale(calc(1 - .1 * var(--dock)));transform-origin:top}.gd-content .eco-btn{pointer-events:auto}.gd-note{font-size:13.5px;line-height:1.4;color:var(--eco-ink-2);opacity:calc(1 - 1.5 * var(--dock))}.gd-note b{color:var(--eco-ink);font-weight:600}@media (width <= 760px){.gd{display:none}}@supports not (backdrop-filter:blur(1px)){.gd-fill{background:rgba(255,255,255,.94)}}@media (prefers-reduced-transparency:reduce){.eco-nav.eco-nav .eco-nav-dock,.eco-page :is(.eco-card,.site-card,.wr-tile,.eco-panel,.wr-drop,.eco-frame,.eco-phone,.site-pill,.eco-btn-glass),.gd-fill{backdrop-filter:none;background:rgba(255,255,255,.95)}}.blog-hero-lead.eco-lead{margin:22px auto 0}.blog-hero-search{width:min(720px,100%);margin:36px auto 0}.eco-search.blog-search{display:flex}.blog-search-go{flex:none;width:50px;height:50px;border-radius:999px;display:grid;place-items:center;border:0;background:var(--eco-btn-bg);box-shadow:var(--eco-btn-shadow);color:#fff;cursor:pointer;transition:opacity .18s}.blog-search-go:disabled{opacity:.35;cursor:default}.blog-search-menu{border-radius:24px;border:1px solid #fff;background:rgba(255,255,255,.94);backdrop-filter:blur(20px) saturate(1.6);box-shadow:0 0 0 1px rgba(23,44,51,.06),0 24px 60px -20px rgba(23,44,51,.35)}.blog-topics{margin-top:24px;display:flex;flex-wrap:wrap;gap:8px;justify-content:center}.blog-lead.eco-card{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:40px;align-items:center;padding:14px;color:inherit}.blog-lead-art{height:380px;border-radius:22px;overflow:hidden}.blog-lead-art img{width:100%;height:100%;-o-object-fit:cover;object-fit:cover;transition:transform .6s cubic-bezier(.22,1,.36,1)}.blog-lead-body{padding:24px 28px 24px 0}.blog-lead-body .eco-label{color:var(--eco-blue)}.blog-lead-title{margin-top:14px;font-size:clamp(30px,3.4vw,46px);font-weight:500;letter-spacing:-.03em;line-height:1.04;color:var(--eco-ink);text-wrap:balance;transition:color .2s}.blog-lead-text.eco-lead{margin-top:16px;font-size:19px}.blog-lead .eco-link{margin-top:22px}.blog-card:hover .blog-card-title,.blog-item:hover .blog-item-title,.blog-lead:hover .blog-lead-title{color:var(--eco-blue)}.blog-card:hover .blog-card-art img,.blog-item:hover .blog-item-art img,.blog-lead:hover .blog-lead-art img{transform:scale(1.03)}.blog-items{margin-top:24px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;list-style:none;padding:0}.blog-item{display:flex;flex-direction:column;gap:10px;color:inherit}.blog-item-art{border-radius:20px;overflow:hidden;border:1px solid rgba(255,255,255,.9);box-shadow:0 0 0 1px rgba(18,48,35,.06),0 18px 40px -26px rgba(20,28,40,.35)}.blog-card-art img,.blog-item-art img{display:block;width:100%;transition:transform .6s cubic-bezier(.22,1,.36,1)}.blog-item-title{font-size:17px;font-weight:500;line-height:1.3;letter-spacing:-.01em;color:var(--eco-ink);transition:color .2s}.blog-meta{font-size:13px;line-height:1.4;color:var(--eco-ink-3)}.blog-topic{position:relative;z-index:2;margin-top:112px}.blog-topic-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;padding-bottom:20px;border-bottom:1px solid var(--eco-line)}.blog-topic-title{font-size:clamp(32px,4vw,48px);font-weight:500;letter-spacing:-.03em;line-height:1.05;color:var(--eco-ink)}.blog-topic-title a:hover{color:var(--eco-blue)}.blog-topic-sub{margin-top:8px;max-width:40em;font-size:17px;line-height:1.45;color:var(--eco-ink-2)}.blog-grid{margin-top:28px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;list-style:none;padding:0}.blog-grid>li{display:flex}.blog-card.eco-card{display:flex;flex-direction:column;width:100%;padding:10px;border-radius:28px;color:inherit}.blog-card-art{border-radius:20px;overflow:hidden}.blog-card-body{display:flex;flex-direction:column;gap:8px;padding:16px 14px 14px}.blog-card-title{font-size:20px;font-weight:500;letter-spacing:-.015em;line-height:1.2;color:var(--eco-ink);text-wrap:balance;transition:color .2s}.blog-card-text{font-size:15px;line-height:1.5;color:var(--eco-ink-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.blog-newsletter{text-align:center}.blog-newsletter .eco-lead,.blog-newsletter .eco-title{margin-inline:auto}.blog-newsletter .eco-lead{margin-top:16px}.blog-newsletter-form{max-width:520px;margin:28px auto 0;text-align:left}@media (width <= 1100px){.blog-grid,.blog-items{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width <= 860px){.blog-lead.eco-card{grid-template-columns:1fr;gap:0}.blog-lead-art{height:220px}.blog-lead-body{padding:20px 10px 12px}.blog-topic{margin-top:72px}.blog-hero-search{margin-top:28px}}@media (width <= 560px){.blog-items{gap:14px}.blog-grid{grid-template-columns:1fr}.blog-item-title{font-size:15px}.blog-topics{justify-content:flex-start;flex-wrap:nowrap;overflow-x:auto;margin-inline:-20px;padding:4px 20px 8px;scrollbar-width:none}.blog-topics::-webkit-scrollbar{display:none}}.site-doc-cta{margin-top:64px}.site-about-frame .eco-frame-inner img{width:100%;height:auto;display:block}.site-about .eco-hero-stage{width:min(640px,100%)}.site-about-ringed{width:260px;height:260px}.site-about-card.eco-card{min-height:260px}.eco-page .eco-ft.eco-ft{padding-bottom:calc(var(--dome) * .2258 + 24px)}.eco-ft.eco-ft .eco-horizon{-webkit-mask-image:linear-gradient(180deg,transparent,#000 9%);mask-image:linear-gradient(180deg,transparent,#000 9%)}@media (width <= 760px){.wr-story-art{opacity:1}.wr-story-art--earth{-o-object-position:73% 50%;object-position:73% 50%}.wr-story-art--giant{-o-object-position:96% 50%;object-position:96% 50%}.wr-story-art--planets{-o-object-position:100% 50%;object-position:100% 50%}.wr-story-veil{background:linear-gradient(180deg,rgba(246,242,236,0),rgba(246,242,236,0) 26%,rgba(246,242,236,.62) 44%,rgba(246,242,236,.95) 62%)}.wr-n{font-size:clamp(60px,18vw,96px);white-space:normal;overflow-wrap:anywhere}}@media (width <= 440px){.wr-stats{grid-template-columns:1fr}}@media (width <= 560px){.wr-quit-planet{width:96px;height:96px;right:-26px;top:-26px}.wr-tier span{font-size:10.5px;padding:8px 2px}}.site-menu{display:none}@media (width <= 760px){.eco-nav.eco-nav .eco-nav-dock.site-dock{display:none}.site-menu{display:block}}html[data-story] .site-menu{display:none}.site-menu-button{position:fixed;top:max(12px,env(safe-area-inset-top));right:12px;z-index:61;display:inline-flex;align-items:center;gap:9px;height:44px;padding:0 16px 0 18px;border-radius:999px;border:1px solid rgba(255,255,255,.72);background:rgba(255,255,255,.72);backdrop-filter:blur(18px) saturate(1.6);box-shadow:inset 0 1px 0 rgba(255,255,255,.92),0 10px 30px rgba(15,30,0,.12);color:var(--eco-ink);font:600 15px/1 var(--eco-font);cursor:pointer;-webkit-tap-highlight-color:transparent;transition:scale .2s cubic-bezier(.16,1,.3,1)}.site-menu-button:active{scale:.96}.site-menu-icon{position:relative;width:14px;height:10px}.site-menu-icon i{position:absolute;left:0;right:0;height:1.75px;border-radius:2px;background:currentColor;transition:transform .38s cubic-bezier(.16,1,.3,1)}.site-menu-icon i:first-child{top:1.5px}.site-menu-icon i:last-child{top:6.75px}.site-menu-button[aria-expanded=true] .site-menu-icon i:first-child{transform:translateY(2.625px) rotate(45deg)}.site-menu-button[aria-expanded=true] .site-menu-icon i:last-child{transform:translateY(-2.625px) rotate(-45deg)}.site-menu-panel{position:fixed;top:calc(max(12px, env(safe-area-inset-top)) + 52px);right:12px;z-index:61;display:grid;gap:2px;width:min(264px,calc(100vw - 24px));padding:6px;border-radius:22px;border:1px solid rgba(255,255,255,.85);background:rgba(255,255,255,.9);backdrop-filter:blur(22px) saturate(1.7);box-shadow:inset 0 1px 0 #fff,0 0 0 1px rgba(23,44,51,.05),0 24px 60px -20px rgba(23,44,51,.35);transform-origin:top right;opacity:0;visibility:hidden;transform:translateY(-6px) scale(.96);transition:opacity .16s ease,transform .2s ease,visibility 0s linear .2s}.site-menu-panel[data-open=true]{opacity:1;visibility:visible;transform:none;transition:opacity .2s ease,transform .45s cubic-bezier(.16,1,.3,1),visibility 0s}.site-menu-panel a{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:13px 12px 13px 14px;border-radius:16px;color:var(--eco-ink);font:600 16px/1.2 var(--eco-font);-webkit-tap-highlight-color:transparent;opacity:0;transform:translateY(-4px);transition:background .18s,opacity .12s,transform .12s}.site-menu-panel[data-open=true] a{opacity:1;transform:none;transition:background .18s,opacity .3s ease calc(50ms + var(--i) * 35ms),transform .5s cubic-bezier(.16,1,.3,1) calc(50ms + var(--i) * 35ms)}.site-menu-panel a svg{opacity:.4}.site-menu-panel a:active,.site-menu-panel a:hover,.site-menu-panel a[aria-current]{background:rgba(23,44,51,.06)}.site-menu-panel a.is-primary{margin-bottom:4px;background:var(--eco-btn-bg);box-shadow:var(--eco-btn-shadow);color:#fff}.site-menu-panel a.is-primary svg{opacity:.85}@media (prefers-reduced-motion:reduce){.site-menu-icon i,.site-menu-panel,.site-menu-panel a{transition:none}}.site-app .grid>*{min-width:0}.site-app :where(p,li,dd,td,a){overflow-wrap:anywhere}.home-page .student-rise.home-rise{height:auto;overflow:visible;padding-bottom:24px;-webkit-mask-image:none;mask-image:none}.home-screen.eco-phone-inner{position:relative;display:flex;flex-direction:column;aspect-ratio:1206/2622;background:#eef2f7}.home-status{flex:none;display:flex;align-items:center;justify-content:space-between;height:8.5%;padding:0 7% .5%;color:#0b1720}.home-time{font:600 15px/1 var(--eco-font);letter-spacing:-.01em}.home-island{position:absolute;top:2.2%;left:50%;width:32%;height:4.2%;translate:-50%;border-radius:999px;background:#0b0b0c}.home-icons{display:flex;align-items:center;gap:5px}.home-icons svg{fill:currentColor}.home-battery{position:relative;width:24px;height:11px;border:1.5px solid;border-radius:3.5px;opacity:.9}.home-battery i{position:absolute;inset:1.5px 5px 1.5px 1.5px;border-radius:1.5px;background:currentColor}.home-card{flex:none;display:block;width:100%;height:auto}.home-bar{flex:1;display:flex;align-items:center;gap:8px;padding:0 5% 6%}.home-reply{flex:1;padding:0 14px;border-radius:999px;border:1px solid rgba(23,44,51,.16);font:500 13px/1 var(--eco-font);color:var(--eco-ink-3)}.home-reply,.home-share{height:38px;display:flex;align-items:center}.home-share{padding:0 16px;border-radius:999px;background:var(--eco-btn-bg);color:#fff;font:600 13px/1 var(--eco-font)}.home-indicator{position:absolute;bottom:1.4%;left:50%;width:34%;height:4px;translate:-50%;border-radius:999px;background:#0b1720;opacity:.85}@media (width <= 560px){.home-time{font-size:13px}.home-reply,.home-share{height:32px;font-size:11.5px}}.wr-story-title{font-size:14px;font-weight:600;letter-spacing:.02em;color:var(--eco-ink-2)}.site-app .overflow-x-auto>table{min-width:760px}@media (width <= 760px){.tip:focus .tip-bubble,.tip:focus-within .tip-bubble,.tip:hover .tip-bubble{position:fixed;left:16px;right:16px;bottom:max(16px,env(safe-area-inset-bottom));top:auto;width:auto;transform:none;z-index:90}.tip .tip-bubble{left:16px;right:16px;width:auto;max-width:none;transform:translateY(4px)}}