/* Generated by scripts/extract-crab-templates.mjs from the selected crab/index.html.
 * Only --line is renamed to --comic-line; application overrides belong in crab-pages.css.
 */
/* Life in China · 发现页 —— 一片会过日子的海滩。
   天空跟着真实时间变化；海水一直在拍岸；每条分享是一张明信片；
   底部导航是一条沙脊，小螃蟹在物件之间横着走，观察、翻阅、读信、打招呼。 */
@property --sky-top{syntax:'<color>';inherits:true;initial-value:#79B8F6}
@property --water{syntax:'<color>';inherits:true;initial-value:#79B8F6}
@property --sky-ink{syntax:'<color>';inherits:true;initial-value:#201C22}
@property --sun{syntax:'<color>';inherits:true;initial-value:#FFD24D}
:root{
  --sand:#F6EBD6;--ink:#201C22;--ink-2:#5B5762;--mute:#948F9B;
  --sun:#FFD24D;--coral:#FF7A63;--leaf:#4FC48C;--crab:#FF6B4E;--crab-dark:#D94E33;--blush:#FFB3A6;
  --mono:'IBM Plex Mono',Menlo,monospace;
  --sans:'Noto Sans SC','PingFang SC',-apple-system,system-ui,sans-serif;
  --comic-line:1.6px solid var(--ink);
  --shadow:3px 3px 0 var(--ink);
  --sky-top:#79B8F6;--water:#79B8F6;--sky-ink:var(--ink);--sun-x:64px;--sun-y:6px;
}
.phone[data-time=morning]{--sky-top:#FFD6B3;--water:#8CC3F4;--sun-x:32%;--sun-y:6px}
.phone[data-time=dusk]{--sky-top:#FFB07A;--water:#7C9CE6;--sun-x:120px;--sun-y:48px;--sun:#FF9A4D}
.phone[data-time=night]{--sky-top:#262D6A;--water:#3B4C9C;--sky-ink:#F6EBD6;--sun:#FFF3C4;--sun-x:64px;--sun-y:6px}

*{box-sizing:border-box}
html,body{height:100%;margin:0;overflow:hidden;background:#DCD0B8;color:var(--ink);font-family:var(--sans);font-size:15px;-webkit-font-smoothing:antialiased}
button,input{font:inherit;color:inherit;background:none;border:0;padding:0}
button{cursor:pointer}
h1,h2,h3,p{margin:0}
img{display:block}

.phone{position:relative;width:100%;max-width:430px;height:100dvh;margin:0 auto;overflow:hidden;background:var(--sand);transition:--sky-top .8s ease,--water .8s ease,--sky-ink .8s ease,--sun .8s ease}
@media(min-width:600px){.phone{height:calc(100dvh - 40px);margin:20px auto;border-radius:36px;border:var(--comic-line);box-shadow:8px 8px 0 var(--ink)}}
.scroll{height:100%;overflow-y:auto;overscroll-behavior:contain;padding-bottom:96px;scrollbar-width:none}
.scroll::-webkit-scrollbar{display:none}

/* ================= 天空（收紧） ================= */
.sky{position:relative;padding:12px 18px 18px;background:linear-gradient(180deg,var(--sky-top),var(--water));color:var(--sky-ink);overflow:hidden}
.wordmark{position:relative;z-index:2;display:inline-flex;align-items:center;gap:2px;font-weight:900;font-size:15px;letter-spacing:-.01em}
.wordmark span{color:#fff}
.phone[data-time=night] .wordmark span{color:var(--sun)}
.sun{position:absolute;z-index:4;right:var(--sun-x);top:var(--sun-y);width:30px;height:30px;border-radius:50%;background:var(--sun);border:var(--comic-line);transition:right .8s,top .8s,box-shadow .8s;cursor:pointer;touch-action:manipulation}
.sun::before{content:'';position:absolute;inset:-8px;border-radius:50%}
.phone[data-time=night] .sun{box-shadow:inset -8px -5px 0 0 var(--sky-top)}
.cloud{position:absolute;z-index:1;right:14px;top:12px;width:70px;height:29px;transition:opacity .8s}
.phone[data-time=night] .cloud{opacity:.35}
.stars{position:absolute;inset:0;pointer-events:none;opacity:0;transition:opacity .8s}
.phone[data-time=night] .stars{opacity:1}
.stars i{position:absolute;width:3px;height:3px;border-radius:50%;background:#fff}
.stars i:nth-child(1){left:12%;top:18%}.stars i:nth-child(2){left:30%;top:9%;width:2px;height:2px}.stars i:nth-child(3){left:52%;top:26%}.stars i:nth-child(4){left:44%;top:56%;width:2px;height:2px}.stars i:nth-child(5){left:84%;top:60%}.stars i:nth-child(6){left:68%;top:6%;width:2px;height:2px}.stars i:nth-child(7){left:22%;top:66%;width:2px;height:2px}
.gull{position:absolute;z-index:1;left:-40px;top:60px;width:24px;height:9px;animation:fly 26s linear infinite;animation-delay:4s}
@keyframes fly{0%{transform:translate(0,0)}22%{transform:translate(480px,-12px)}22.01%,100%{transform:translate(-40px,0)}}
h1.headline{position:relative;z-index:2;margin-top:8px;font-size:22px;font-weight:900;line-height:1.3;letter-spacing:.02em;white-space:nowrap}
.locrow{position:relative;z-index:2;display:flex;align-items:center;gap:10px;margin-top:8px}
.locbtn{display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 11px 0 9px;border:var(--comic-line);border-radius:15px;background:#fff;color:var(--ink);font-size:12.5px;font-weight:700;box-shadow:2px 2px 0 var(--ink)}
.locbtn svg{width:12px;height:12px}
.locbtn i{width:12px;height:12px;color:var(--mute);font-style:normal}
.locnote{margin-left:4px;font-size:12px;font-weight:700;color:inherit;text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1.4px}

/* ================= 海岸：会动的浪（压扁） ================= */
.shore{position:relative;height:66px;background:var(--water)}
.seaclip{position:absolute;inset:0;overflow:hidden}
.sea{position:absolute;left:0;top:0;width:200%;height:100%;animation:lap 7s ease-in-out infinite alternate}
@keyframes lap{to{transform:translateX(-215px)}}
.sea svg{position:absolute;left:0;bottom:-1px;width:100%;height:100%;display:block}
.foam{position:absolute;border-radius:50%;background:#fff;border:1.4px solid var(--ink)}
.foam.a{left:36px;top:8px;width:7px;height:7px}.foam.b{left:50px;top:17px;width:4px;height:4px}.foam.c{left:150px;top:6px;width:6px;height:6px}
.foam.d{left:266px;top:10px;width:6px;height:6px}.foam.e{left:365px;top:18px;width:4px;height:4px}
.boat{position:absolute;z-index:1;left:-60px;top:-2px;width:40px;height:24px;animation:drift 46s linear infinite}
@keyframes drift{0%{transform:translate(0,0)}50%{transform:translate(250px,3px)}100%{transform:translate(500px,0)}}
.boat .lamp{opacity:0;transition:opacity .8s}
.phone[data-time=night] .boat .lamp{opacity:1}

/* 搜索框骑在浪线上；螃蟹从水里探出头趴在框后面 */
.searchwrap{position:absolute;left:18px;right:18px;top:18px;z-index:3}
.search{position:relative;z-index:2;display:flex;align-items:center;gap:10px;height:44px;padding:0 14px;background:#fff;border:var(--comic-line);border-radius:24px;box-shadow:var(--shadow)}
.search svg{width:17px;height:17px;flex:0 0 auto;color:var(--ink-2)}
.search input{flex:1;min-width:0;height:100%;font-size:14px;outline:0;padding-right:0}
.search input::placeholder{color:var(--mute)}
.mascot{position:absolute;right:6px;bottom:19px;width:104px;height:84px;z-index:1;transition:transform .45s cubic-bezier(.34,1.56,.64,1);animation:bob 3.6s ease-in-out infinite}
@keyframes bob{50%{margin-bottom:3px}}
.mascot svg{width:100%;height:100%;overflow:visible}
.mascot.up{transform:translateY(-14px)}
.claw{transform-box:fill-box;transform-origin:center;transition:transform .4s cubic-bezier(.34,1.56,.64,1)}
.mascot.up .claw.l{transform:rotate(-30deg) translate(-3px,-10px)}
.mascot.up .claw.r{transform:rotate(30deg) translate(3px,-10px)}
.pupil{transition:transform .12s ease-out}
.lid{transform-box:fill-box;transform-origin:center;transform:scaleY(0);transition:transform .12s}
.mascot.blink .lid{transform:scaleY(1)}
.phone[data-time=night] .mascot svg{transform-origin:50% 82%;animation:crab-sleep 3.6s ease-in-out infinite}
.phone[data-time=night] .mascot .lid{transform:scaleY(1)}
.phone[data-time=night] .mascot .mouth{d:path("M90 97q10 -5 20 -1");fill:none}
.phone[data-time=night] .mascot .tongue{opacity:0}
.phone[data-time=night] .mascot .claw.l{transform:rotate(8deg) translateY(2px)}
.phone[data-time=night] .mascot .claw.r{transform:rotate(-8deg) translateY(2px)}
.zz{position:absolute;right:6px;bottom:78px;z-index:2;font-family:var(--mono);font-size:12px;font-weight:600;color:#fff;opacity:0;transition:opacity .6s;pointer-events:none}
.phone[data-time=night] .mascot~.zz{opacity:1;animation:zz 2.4s ease-in-out infinite}
@keyframes crab-sleep{50%{transform:translateY(1px) scale(1.012,.988)}}
@keyframes zz{50%{transform:translate(2px,-5px)}}
.eye{transform-box:fill-box;transform-origin:center;transition:transform .2s}
.mascot.up .eye{transform:scale(1.08)}
.bubble{position:absolute;right:118px;bottom:58px;max-width:190px;padding:8px 11px;background:#fff;border:var(--comic-line);border-radius:10px;color:var(--ink);font-size:12px;font-weight:700;line-height:1.4;opacity:0;transform:translateY(6px) scale(.96);transform-origin:bottom right;transition:opacity .18s,transform .22s cubic-bezier(.34,1.56,.64,1);pointer-events:none;box-shadow:var(--shadow);z-index:4}
.bubble::after{content:'';position:absolute;right:16px;bottom:-8px;width:13px;height:13px;background:#fff;border-right:var(--comic-line);border-bottom:var(--comic-line);transform:rotate(45deg)}
.bubble.show{opacity:1;transform:translateY(0) scale(1)}

/* A beach noticeboard: illustrated channels, comic scenes and service tickets. */
.sand{position:relative;padding:2px 18px 12px;background:var(--sand);background-image:radial-gradient(#201C2210 .85px,transparent 1px);background-size:22px 22px}
/* Four small crab scenes share a gently scalloped sandbank. */
.tabs{position:relative;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:5px;isolation:isolate;padding:0 0 4px}
.channel-shore{position:absolute;z-index:-1;left:-8px;top:28px;width:calc(100% + 16px);height:80px;overflow:visible;pointer-events:none}
.tab{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;gap:1px;min-height:94px;min-width:0;padding:0 0 3px;touch-action:manipulation;color:var(--ink)}
.channel-art{display:block;width:78px;height:69px;max-width:100%;position:relative;z-index:1;overflow:visible;transition:transform .25s ease}
.channel-label{position:relative;min-width:46px;padding:0 5px 5px;line-height:1.4;font-size:13px;font-weight:700}
.channel-label:after{content:"";position:absolute;bottom:0;left:12px;right:12px;height:4px;border-bottom:2px solid transparent;border-radius:0 0 50% 50%;transform:rotate(-6deg)}
.tab.on .channel-label:after{border-color:var(--coral)}
.tab.on .channel-art{transform:translateY(-3px) rotate(-3deg)}
.tab:active .channel-art{transform:translateY(1px)}

.board-heading{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:16px 0 12px}
.board-heading h2{font-size:20px;line-height:1.3;font-weight:900;letter-spacing:-.4px}
.board-place{display:flex;align-items:center;gap:5px;transform:rotate(3deg);font:600 9px var(--mono);letter-spacing:1px}
.board-place svg{width:18px;height:18px;fill:var(--coral);stroke:var(--ink);stroke-width:1.7;stroke-linejoin:round}
.feed-status{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
/* Light two-column photo notes. Personality lives in the small category tabs. */
.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;align-items:start}
.feed-column{display:grid;gap:18px;min-width:0;align-content:start}
.card{position:relative;min-width:0;border:1px solid #201C2240;background:#FFFEFB;border-radius:12px;box-shadow:none;--card-color:var(--leaf);--photo-ratio:4/5}
.card.help{--card-color:var(--coral);--photo-ratio:1/1}
.card.svc{--card-color:#8BBBF0;--photo-ratio:4/5}
.card[data-card=arrival]{--photo-ratio:5/4}
.card[data-card=walk]{--photo-ratio:1/1}
.card-visual{position:relative}
.card-photo{position:relative;display:block;width:100%;aspect-ratio:var(--photo-ratio);overflow:hidden;background:#EAE5DC;border-radius:11px 11px 0 0;touch-action:manipulation}
.card-photo img{position:absolute;inset:0;display:block;width:100%;height:100%;object-fit:cover}
.card[data-card=cafe] .card-photo img{object-position:44% center}
.card[data-card=translation] .card-photo img{object-position:39% center}
.card-photo:focus-visible{outline:2px solid var(--ink);outline-offset:-4px}
.card-copy{padding:20px 10px 3px}
.card h3{font-size:14.5px;line-height:1.5;font-weight:700;letter-spacing:-.25px;overflow-wrap:anywhere}
.card-note{display:flex;align-items:center;gap:4px;margin-top:9px;font-size:10px;line-height:1.4;color:var(--ink-2)}
.card-note strong{font:600 11px var(--mono);color:var(--ink)}
.card-note svg{width:12px;height:12px;fill:var(--leaf);stroke:var(--ink);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.by{display:flex;align-items:center;justify-content:space-between;gap:4px;min-height:44px;padding:3px 10px 6px}
.author{display:flex;align-items:center;gap:5px;min-width:0;font-size:10.5px;color:var(--ink-2)}
.author i{display:grid;place-items:center;flex:none;width:18px;height:18px;border-radius:50%;background:color-mix(in srgb,var(--card-color) 28%,#fff);font:600 9px var(--mono);font-style:normal;color:var(--ink-2)}
.author-name{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.like{display:flex;align-items:center;justify-content:flex-end;gap:3px;flex:none;min-width:45px;min-height:36px;touch-action:manipulation;font:600 9px var(--mono);color:var(--ink-2)}
.like svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;transition:fill .2s,transform .2s}
.like[aria-pressed=true] svg{fill:var(--coral);stroke:var(--ink)}
.like.popped svg{animation:heart-hop .38s ease-out}
@keyframes heart-hop{40%{transform:scale(1.3) rotate(-14deg)}}

.feed-end{display:flex;align-items:center;justify-content:center;gap:8px;margin:25px 0 4px;color:var(--ink-2);font-size:11px}
.feed-end svg{width:30px;height:20px;fill:none;stroke:var(--ink);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.grid.filtering{animation:board-in .25s ease-out}
@keyframes board-in{from{opacity:.3;transform:translateY(7px) rotate(.5deg)}to{opacity:1;transform:translateY(0) rotate(0)}}
.photo-preview{position:fixed;inset:0;width:min(398px,calc(100% - 32px));max-height:calc(100dvh - 48px);padding:0;border:1.7px solid var(--ink);border-radius:12px;background:#fff;color:var(--ink);box-shadow:4px 5px 0 var(--ink);overflow:auto}
.photo-preview::backdrop{background:#201C2299}
.photo-preview img{display:block;width:100%;max-height:65dvh;object-fit:contain;background:var(--sand);border-bottom:1.5px solid var(--ink)}
.photo-preview h2{font-size:17px;line-height:1.5;padding:16px 18px 20px}
.preview-close{position:absolute;z-index:1;right:9px;top:9px;width:44px;height:44px;display:grid;place-items:center;background:var(--sun);border:1.5px solid var(--ink);border-radius:50%;box-shadow:2px 2px 0 var(--ink)}
.preview-close svg{width:20px;height:20px;stroke:var(--ink);stroke-width:2;fill:none;stroke-linecap:round}
@media(max-width:360px){.sand{padding-left:12px;padding-right:12px}.tabs{gap:5px}.channel-art{width:54px;height:47px}.channel-label{min-width:49px;font-size:12px}.board-heading h2{font-size:19px}.board-place{font-size:8px;letter-spacing:.5px}.grid{gap:10px}.feed-column{gap:16px}.card-copy{padding-left:9px;padding-right:9px}.card h3{font-size:13px;letter-spacing:-.2px}.by{padding-left:9px;padding-right:9px}.author{font-size:10px;gap:4px}.author i{width:16px;height:16px}.like{font-size:8px;min-width:37px}.like svg{width:13px;height:13px}.card-kind{left:9px;font-size:10px;padding:3px 6px}}

/* Category names become open, illustrated bylines instead of boxed stickers. */
.card-kind{display:flex;align-items:center;gap:5px;margin:0 0 6px;padding:0;color:var(--ink-2);font-size:11px;line-height:1.3;font-weight:500;letter-spacing:1px}
.kind-mark{display:block;flex:none;width:26px;height:23px;overflow:visible}
.kind-word{position:relative;padding:1px 0 3px}
.kind-word:after{content:"";position:absolute;left:0;right:-2px;bottom:0;height:3px;background:var(--card-color);border-radius:50%;opacity:.55;transform:rotate(-4deg)}
.card-copy{padding-top:9px}
@media(max-width:360px){.channel-art{width:64px;height:59px}.tab{min-height:88px}.channel-shore{top:24px;height:75px}.channel-label{font-size:12px}.kind-mark{width:23px;height:21px}.card-kind{font-size:10px;gap:4px;letter-spacing:.6px}}

/* One crab walks between four belongings on the sandbank. */
.tabs{--crab-size:74px}
.channel-item{display:block;width:var(--crab-size);height:64px;max-width:100%;position:relative;z-index:1;overflow:visible;opacity:1;transition:opacity .14s,transform .22s ease}
.tab.occupied .channel-item{opacity:0;transform:translateY(-3px)}
.channel-crab{position:absolute;z-index:3;width:var(--crab-size);left:12.5%;top:6px;transform:translateX(-50%);pointer-events:none;will-change:left}
.channel-crab svg{display:block;width:100%;height:auto;overflow:visible}
.traveler-pose{transform-origin:40px 44px;transition:transform .28s cubic-bezier(.25,.8,.35,1)}
.traveler-arm{transform-origin:57px 42px;transition:transform .2s}
.traveler-eyes .iris{transition:transform .16s}
.channel-crab[data-direction=right] .iris{transform:translateX(2px)}
.channel-crab[data-direction=left] .iris{transform:translateX(-2px)}
.traveler-feet{transition:opacity .16s}
.traveler-legs-a,.traveler-legs-b{transform-origin:40px 57px}
.held-prop{opacity:0;transform:translateY(9px) scale(.92);transform-origin:40px 43px;transition:opacity .13s,transform .24s cubic-bezier(.2,1.35,.4,1)}
.channel-crab.is-settled[data-mode=all] .held-prop[data-held=all],
.channel-crab.is-settled[data-mode=help] .held-prop[data-held=help],
.channel-crab.is-settled[data-mode=svc] .held-prop[data-held=svc],
.channel-crab.is-settled[data-mode=life] .held-prop[data-held=life]{opacity:1;transform:translateY(0) scale(1)}
.channel-crab.is-walking .traveler-bounce{animation:channel-scuttle .18s ease-in-out infinite}
.channel-crab.is-walking .traveler-legs-a{animation:channel-legs .18s ease-in-out infinite}
.channel-crab.is-walking .traveler-legs-b{animation:channel-legs .18s ease-in-out -.09s infinite}
.channel-crab.is-walking .traveler-arm{transform:rotate(9deg)}
.channel-crab.is-landing .traveler-bounce{animation:channel-pickup .36s ease-out}
.channel-crab.is-walking .held-prop{transition:none}
@keyframes channel-scuttle{0%,100%{transform:translateY(0) rotate(-1.5deg)}50%{transform:translateY(-2.5px) rotate(1.5deg)}}
@keyframes channel-legs{0%,100%{transform:translateX(-1px) rotate(-8deg)}50%{transform:translateX(1px) rotate(8deg)}}
@keyframes channel-pickup{0%{transform:translateY(0)}30%{transform:translateY(3px) rotate(4deg)}65%{transform:translateY(-3px) rotate(-2deg)}100%{transform:translateY(0)}}
.channel-footprint{position:absolute;z-index:0;width:3px;height:2px;background:#B8A480;border-radius:50%;pointer-events:none;animation:channel-footprint 1s ease-out forwards}
.channel-footprint:after{content:"";position:absolute;width:3px;height:2px;left:4px;top:5px;border-radius:50%;background:inherit}
@keyframes channel-footprint{0%,35%{opacity:.55}100%{opacity:0}}
@media(max-width:360px){h1.headline{font-size:20px}.tabs{--crab-size:64px}.channel-item{height:58px}}

/* The cup gets one small sip after pickup; the illustration stays intact. */
.traveler-left-arm{transform-origin:21px 43px;transition:transform .24s cubic-bezier(.2,1.3,.4,1)}
.channel-crab.is-settled .traveler-left-arm{transform:translate(12px,14px) rotate(-12deg)}
.channel-crab.is-settled .traveler-arm{transform:translate(-9px,12px) rotate(12deg)}
.channel-crab.is-settled[data-mode=life] .held-art{transform-origin:42px 51px;animation:channel-sip 1.6s ease-in-out .25s}
@keyframes channel-sip{0%,100%{transform:translateY(0) rotate(0)}40%,62%{transform:translate(-2px,-4px) rotate(-7deg)}}
/* Each arrival has its own gesture, using the same traveling character. */
.hand-prop{opacity:0;transition:opacity .15s ease}
.channel-crab.is-settled[data-mode=all] .hand-prop[data-for=all],
.channel-crab.is-settled[data-mode=svc] .hand-prop[data-for=svc]{opacity:1}
.arm-gesture{transform-origin:57px 42px}
.traveler-mouth{transition:transform .24s ease}

/* Listen to the conch beside the left eye, with a small attentive head tilt. */
.channel-crab.is-settled[data-mode=all] .traveler-pose{transform:rotate(-7deg)}
.channel-crab.is-settled[data-mode=all] .traveler-left-arm{transform:rotate(-10deg)}
.channel-crab.is-settled[data-mode=all] .traveler-arm{transform:translate(-1px,10px) rotate(22deg)}
.channel-crab.is-settled[data-mode=all] .iris{transform:translateX(-2px)}

/* Wear the ring at the waist, then wave the free claw twice. */
.channel-crab.is-settled[data-mode=help] .traveler-left-arm{transform:translate(12px,14px) rotate(-12deg)}
.channel-crab.is-settled[data-mode=help] .traveler-arm{transform:translate(0,-3px) rotate(-8deg)}
.channel-crab.is-settled[data-mode=help] .traveler-mouth{transform:translateY(-7px)}
.channel-crab.is-settled[data-mode=help] .arm-gesture{animation:channel-wave 1.25s ease-in-out .25s}
@keyframes channel-wave{0%,100%{transform:rotate(0)}22%,65%{transform:rotate(18deg)}42%,82%{transform:rotate(-7deg)}}

/* The bag hangs from the left claw; the wrench belongs to the right claw. */
.channel-crab.is-settled[data-mode=svc] .traveler-left-arm{transform:translate(4px,8px) rotate(-16deg)}
.channel-crab.is-settled[data-mode=svc] .traveler-arm{transform:translate(0,-4px) rotate(-6deg)}
.channel-crab.is-settled[data-mode=svc] .arm-gesture{animation:channel-tool-salute .9s ease-in-out .25s}
@keyframes channel-tool-salute{0%,100%{transform:rotate(0)}40%{transform:rotate(-16deg)}70%{transform:rotate(5deg)}}

/* ================= 底部导航：一只螃蟹，四种小日常 ================= */
.nav{position:absolute;left:0;right:0;bottom:0;height:76px;padding:0 4px max(6px,env(safe-area-inset-bottom));background:var(--sand);border-top:var(--comic-line);display:flex;align-items:flex-end;justify-content:space-around;overflow:visible}
.nav button{position:relative;display:grid;justify-items:center;gap:5px;width:66px;min-height:58px;padding:0 0 6px;font-size:11px;font-weight:700;color:var(--ink-2);transition:color .2s}
.nav button .obj{width:34px;height:32px;margin-bottom:0;transition:opacity .16s,transform .2s;stroke:var(--ink);opacity:.86}
.nav button.taken .obj{opacity:0;transform:translateY(-3px) scale(.92)}
.nav button.on{color:var(--ink)}
/* One folded note and one clear add mark. */
.nav .post{padding-bottom:6px;gap:2px;color:var(--ink);font-weight:900}
.post-art{display:block;width:48px;height:50px;position:relative;margin-bottom:-2px;transition:transform .16s ease}
.post-art svg{display:block;width:100%;height:100%;overflow:visible}
.nav .post:active .post-art{transform:translateY(2px) scale(.97)}
.nav .post.releasing .post-art{animation:post-press .38s ease-out}
@keyframes post-press{0%,100%{transform:translateY(0) scale(1)}30%{transform:translateY(2px) scale(.97)}}
.navcrab{position:absolute;bottom:27px;left:0;width:64px;height:52px;transform:translateX(-50%);pointer-events:none;z-index:2}
.navcrab svg{display:block;width:100%;height:100%;overflow:visible}
.navcrab .nav-body{transform-box:view-box;transform-origin:40px 45px;transition:transform .26s ease}
.navcrab .nav-legs{transform-origin:40px 49px}
.navcrab .nav-arm-left{transform-origin:20px 35px}
.navcrab .nav-arm-right{transform-origin:60px 35px}
.navcrab .nav-arm-left,.navcrab .nav-arm-right,.navcrab .nav-pupils,.navcrab .nav-smile{transition:transform .28s cubic-bezier(.25,.8,.25,1)}
.navcrab .nav-prop{opacity:0;transition:opacity .16s}
.navcrab.settled .nav-prop.show{opacity:1}
.navcrab.walk .nav-body{animation:nav-scuttle .24s ease-in-out infinite}
.navcrab.walk .nav-legs{animation:nav-feet .14s ease-in-out infinite}
@keyframes nav-scuttle{50%{transform:translateY(-2px) rotate(2deg)}}
@keyframes nav-feet{50%{transform:translateX(1px) scaleX(.88)}}
/* Telescope meets the eye; the other claw steadies the barrel. */
.navcrab.settled[data-mode=discover] .nav-body{transform:rotate(-3deg)}
.navcrab.settled[data-mode=discover] .nav-arm-right{transform:translate(-1px,-3px) rotate(-18deg)}
.navcrab.settled[data-mode=discover] .nav-arm-left{transform:translate(4px,3px) rotate(17deg)}
.navcrab.settled[data-mode=discover] .nav-pupils{transform:translateX(2px)}
.navcrab.arrived[data-mode=discover] .nav-telescope{animation:nav-peek 1.2s ease-in-out .12s}
@keyframes nav-peek{0%,100%{transform:translateY(0)}45%{transform:translateY(-1px)}}
/* Three distinct silhouettes: a flying kite, round conversation, a sunhat portrait. */
.nav button[data-obj=events] .obj,.nav button[data-obj=inbox] .obj,.nav button[data-obj=me] .obj{width:36px;opacity:1}
.nav button.taken[data-obj=events] .obj,.nav button.taken[data-obj=inbox] .obj,.nav button.taken[data-obj=me] .obj{opacity:0}
.navcrab.settled[data-mode=events] .nav-arm-left{transform:translate(2px,-2px) rotate(-8deg)}
.navcrab.settled[data-mode=events] .nav-arm-right{transform:translate(-8px,14px) rotate(8deg)}
.navcrab.settled[data-mode=events] .nav-pupils{transform:translate(2px,-1px)}
.navcrab .nav-kite{transform-origin:66px 22px}
.navcrab.arrived[data-mode=events] .nav-kite{animation:nav-kite-lift 1.15s ease-in-out .12s}
@keyframes nav-kite-lift{0%,100%{transform:rotate(0)}35%{transform:translate(1px,-3px) rotate(12deg)}70%{transform:rotate(-6deg)}}
/* The claws hold a conversation; a little reply pops into view. */
.navcrab.settled[data-mode=inbox] .nav-arm-left{transform:translate(11px,13px) rotate(-13deg)}
.navcrab.settled[data-mode=inbox] .nav-arm-right{transform:translate(-7px,13px) rotate(17deg)}
.navcrab.settled[data-mode=inbox] .nav-pupils{transform:translateY(1px)}
.navcrab.settled[data-mode=inbox] .nav-smile{transform:translateY(-3px)}
.navcrab .nav-reply{transform-origin:54px 38px}
.navcrab.arrived[data-mode=inbox] .nav-reply{animation:nav-reply-pop .65s ease-out .12s both}
@keyframes nav-reply-pop{0%{transform:scale(.45);opacity:0}65%{transform:scale(1.12);opacity:1}100%{transform:scale(1);opacity:1}}
/* The same sunhat lands above the eyes, leaving a claw free to wave. */
.navcrab.settled[data-mode=me] .nav-arm-left{transform:translate(2px,2px) rotate(-8deg)}
.navcrab.settled[data-mode=me] .nav-arm-right{transform:translate(0,-2px) rotate(-12deg)}
.navcrab.arrived[data-mode=me] .nav-wave{transform-origin:67px 29px;animation:nav-wave 1.1s ease-in-out .12s}
@keyframes nav-wave{0%,100%{transform:rotate(0)}25%,65%{transform:rotate(18deg)}45%,85%{transform:rotate(-8deg)}}
.nav-print{position:absolute;top:4px;width:3px;height:2px;border-radius:50%;background:#B9A57E;pointer-events:none;animation:nav-trace 1.3s forwards}
@keyframes nav-trace{to{opacity:0}}


:focus-visible{outline:2px solid #5EA6EE;outline-offset:3px}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}