.sd{container:sd/inline-size;--paper:oklch(0.965 0.012 78);--card:oklch(0.992 0.006 85);--bubble:oklch(0.945 0.018 90);--ink:oklch(0.24 0.06 254);--ink-deep:oklch(0.21 0.08 254);--ink-soft:oklch(0.42 0.04 250);--muted:oklch(0.55 0.022 245);--line:oklch(0.87 0.02 230);--accent:oklch(0.55 0.135 150);--accent-deep:oklch(0.42 0.135 150);--accent-tint:oklch(0.92 0.05 150);--amber:oklch(0.72 0.155 75);--gold:#d3a84c;--sd-chrome:78px;background:var(--paper);color:var(--ink);font-family:var(--font-sans);font-size:15px;line-height:1.4}.sd *,.sd :after,.sd :before{box-sizing:border-box}.sd a{color:inherit}.sd a:focus-visible,.sd button:focus-visible,.sd input:focus-visible{outline:3px solid #6366f1;outline-offset:2px}.sd .sd-door--par a:focus-visible,.sd .sd-door--par button:focus-visible,.sd .sd-door--par input:focus-visible{outline-color:var(--gold)}.sd-owl{--amber:oklch(0.72 0.155 75);display:block;flex:none;width:120px}.sd-owl svg{width:100%;height:auto;display:block;overflow:visible}.sd-owl .heddy-body{transform-box:fill-box;transform-origin:50% 100%;animation:sd-breathe 4.8s ease-in-out infinite}.sd-owl .heddy-eye{transform-box:fill-box;transform-origin:50% 50%;animation:sd-blink 7.2s ease-in-out infinite}.sd-owl .heddy-pupil{animation:sd-gaze 9s ease-in-out infinite}@keyframes sd-breathe{50%{transform:scaleY(1.02)}}@keyframes sd-blink{0%,30%,38%,to{transform:scaleY(1)}34%{transform:scaleY(.1)}}@keyframes sd-gaze{0%,16%,36%,46%,80%,to{transform:translate(0)}22%,30%{transform:translate(3.2px,-1px)}52%,60%{transform:translate(-3px,1.4px)}66%,74%{transform:translate(.6px,-2px)}}.sd .sd-h{font-family:var(--font-serif);font-weight:600;color:var(--ink-deep);margin:0;line-height:1.08;letter-spacing:normal;text-wrap:balance}.sd .sd-sub{margin:0;color:var(--ink-soft);font-size:16px}.sd .sd-eyebrow{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin:0}.sd form{gap:12px;margin:0}.sd .sd-fld,.sd form{display:flex;flex-direction:column}.sd .sd-fld{gap:5px;font-size:13px;font-weight:600;color:var(--ink-soft)}.sd .sd-fld input{font:500 16px var(--font-sans);color:var(--ink-deep);padding:13px 14px;border-radius:12px;border:1.5px solid var(--line);background:var(--card);min-width:0;width:100%}.sd .sd-keep{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-soft)}.sd .sd-keep input{width:18px;height:18px;accent-color:var(--accent);margin:0}.sd .sd-btn{font:700 15.5px var(--font-sans);color:#fff;background:var(--accent);border:0;border-radius:13px;padding:14px 18px;box-shadow:0 3px 0 var(--accent-deep);cursor:pointer;text-decoration:none;text-align:center;display:inline-block}.sd .sd-btn--gold{background:var(--gold);color:#0b1120;box-shadow:0 3px 0 #a37f2f}.sd .sd-btn:disabled{opacity:.65;cursor:default}.sd .sd-btn[aria-busy=true]{cursor:wait}.sd .sd-link{background:none;border:0;padding:0;font:600 13.5px var(--font-sans);color:var(--accent-deep);cursor:pointer;text-align:left;text-decoration:underline;text-underline-offset:3px}.sd .sd-hint{font-size:12.5px;color:var(--muted);margin:0}.sd .sd-hint a{text-decoration:underline;text-underline-offset:3px}.sd-d1{display:grid;grid-template-columns:1.7fr 1fr;transition:grid-template-columns .45s cubic-bezier(.3,1.2,.4,1);min-height:max(560px,calc(100svh - var(--sd-chrome)))}.sd-d1[data-who=parent]{grid-template-columns:1fr 1.7fr}.sd-door{position:relative;display:flex;flex-direction:column;justify-content:center;padding:30px 44px 44px;min-width:0;overflow:hidden}.sd-door--par{color:#fff;border-radius:28px 0 0 0}.sd .sd-door--par .sd-fld,.sd .sd-door--par .sd-h{color:#fff}.sd .sd-door--par .sd-hint,.sd .sd-door--par .sd-sub{color:#c3cbe4}.sd .sd-door--par .sd-eyebrow{color:var(--gold)}.sd .sd-door--par .sd-fld input{background:#ffffff12;border-color:#ffffff40;color:#fff}.sd-door__full,.sd-door__mini{display:flex;flex-direction:column;gap:14px;max-width:420px}.sd-door__mini{align-items:flex-start;gap:12px}.sd-door--kid>.sd-door__full{max-width:none}.sd-d1[data-who=kid] .sd-door--kid .sd-door__mini,.sd-d1[data-who=kid] .sd-door--par .sd-door__full,.sd-d1[data-who=parent] .sd-door--kid .sd-door__full,.sd-d1[data-who=parent] .sd-door--par .sd-door__mini{display:none}.sd .sd-door__mini .sd-h{font-size:24px}.sd .sd-door--par .sd-door__full .sd-h{font-size:clamp(28px,3.6cqw,42px)}.sd-seal{width:56px;height:56px;border-radius:50%;background:#ffffff14;border:1.5px solid #ffffff40;display:grid;place-items:center}.sd-seal svg{width:28px;height:28px;fill:none;stroke:var(--gold);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.sd-door--kid{background:radial-gradient(60% 50% at 0 0,#dff3e4,transparent 70%),radial-gradient(50% 45% at 100% 100%,#fdebc8,transparent 70%),var(--paper)}.sd-door--kid:after{content:"";left:-10%;right:-10%;bottom:-70px;height:190px;background:linear-gradient(#cfeacb,#b9e0b6)}.sd-door--kid:after,.sd-float{position:absolute;border-radius:50%;z-index:0}.sd-float{width:var(--w,54px);aspect-ratio:1;background:var(--c);color:#fff;display:grid;place-items:center;font:600 calc(var(--w, 54px) * .46) var(--font-serif);box-shadow:0 4px 0 color-mix(in srgb,var(--c) 60%,#000),inset 0 0 0 4px #ffffff55;opacity:.9;animation:sd-bob 5s ease-in-out infinite;animation-delay:var(--d,0s);transform:rotate(var(--r,-8deg))}@keyframes sd-bob{50%{translate:0 -10px}}.sd-brickrow{position:absolute;z-index:0;display:flex;gap:3px}.sd-brickrow i{width:30px;height:14px;border-radius:3px;background:var(--c);box-shadow:inset 0 -3px 0 #0002;position:relative}.sd-brickrow i:after,.sd-brickrow i:before{content:"";position:absolute;top:-4px;width:8px;height:4px;border-radius:2px 2px 0 0;background:var(--c)}.sd-brickrow i:before{left:4px}.sd-brickrow i:after{right:4px}.sd-kid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(170px,230px) minmax(0,420px);gap:26px;align-items:end;justify-content:center}.sd-kid__h{display:flex;flex-direction:column;align-items:center;gap:6px;padding-bottom:6px}.sd-kid__h .sd-owl{width:100%;max-width:200px;filter:drop-shadow(0 14px 12px #0f3d1d33)}.sd-kid__h .sd-owl .heddy-wing--r{transform-box:fill-box;transform-origin:15% 8%;animation:sd-wave 4s ease-in-out 1s infinite}@keyframes sd-wave{0%,60%,to{transform:rotate(0)}70%,90%{transform:rotate(-38deg)}80%{transform:rotate(-22deg)}}.sd-say{position:relative;border-radius:22px;padding:12px 18px;font:600 clamp(22px,2.6cqw,30px)/1.1 var(--font-serif);color:var(--ink-deep);box-shadow:0 10px 24px -14px #0f3d1d66;text-align:center;margin:0}.sd-say,.sd-say:after{background:var(--card)}.sd-say:after{content:"";position:absolute;left:50%;bottom:-8px;width:18px;height:18px;margin-left:-9px;transform:rotate(45deg);border-radius:3px}.sd-say small{display:block;font:500 14px var(--font-sans);color:var(--ink-soft);margin-top:3px}.sd-kcard{background:var(--card);border-radius:28px;padding:20px;box-shadow:0 30px 50px -30px #0f3d1d88,inset 0 2px 0 #fff;display:flex;flex-direction:column;gap:14px}.sd-tabs{display:grid;grid-template-columns:1fr 1fr;background:var(--bubble);border-radius:16px;padding:4px}.sd .sd-tabs button{font:700 15px var(--font-sans);color:var(--ink-soft);background:none;border:0;border-radius:13px;padding:10px 6px;cursor:pointer}.sd .sd-tabs button[aria-selected=true]{background:var(--card);color:var(--ink-deep);box-shadow:0 2px 0 var(--line)}.sd .sd-kcard .sd-fld input{border-radius:14px;padding:14px;font-size:17px;border-width:2px}.sd .sd-kcard .sd-btn{font-size:17px;padding:15px 18px;border-radius:16px;box-shadow:0 4px 0 var(--accent-deep)}.sd-door--par{background:radial-gradient(60% 50% at 80% 10%,#2a2f6b,transparent 70%),var(--ink-deep)}.sd-sky{position:absolute;inset:0;width:100%;height:100%;z-index:0;pointer-events:none}.sd-door--par .sd-door__full,.sd-door--par .sd-door__mini{position:relative;z-index:1}.sd-tw2{animation:sd-tw2 3.2s ease-in-out infinite}.sd-tw2:nth-child(odd){animation-delay:1.4s}@keyframes sd-tw2{50%{opacity:.2}}.sd-pwd{position:relative;display:flex}.sd .sd-kcard .sd-pwd input{padding-right:50px}.sd .sd-eye{position:absolute;right:6px;top:50%;transform:translateY(-50%);width:40px;height:40px;display:grid;place-items:center;border-radius:10px;color:var(--ink-soft);background:none;border:0;cursor:pointer}.sd .sd-eye:hover{color:var(--accent-deep)}.sd-eye svg{width:21px;height:21px}.sd .sd-error{margin:0;font-size:13.5px;font-weight:600;color:#b4452f}.sd .sd-door--par .sd-error{color:#ffb4a2}.sd-soon{display:flex;flex-direction:column;gap:8px;padding:6px 2px 4px}.sd .sd-soon .sd-h{font-size:20px}.sd .sd-soon .sd-sub{font-size:14.5px}.sd-note{display:flex;flex-wrap:wrap;align-items:center;gap:6px 12px;padding:12px 14px;border-radius:12px;border:1.5px solid #ffffff40;background:#ffffff12;font-size:13.5px;color:#c3cbe4}.sd-note strong{color:#fff}.sd-note--warn{border-color:#ffb4a2;color:#ffb4a2}.sd .sd-door--par .sd-link{color:var(--gold)}.sd .sd-sent .sd-h{font-size:24px;overflow-wrap:anywhere}.sd-sent{display:flex;flex-direction:column;gap:12px}.sd-coderow{display:flex;gap:10px}.sd .sd-coderow input{flex:1;font-family:var(--font-mono);letter-spacing:.18em}.sd-parent-form,.sd-stage{display:flex;flex-direction:column;gap:12px}.sd-stage--code{gap:14px;text-align:center}.sd-stepn{display:inline-grid;place-items:center;width:22px;height:22px;border-radius:50%;background:var(--accent);color:#fff;font:700 12px var(--font-sans);margin-right:6px}.sd-names{display:flex;flex-wrap:wrap;gap:8px}.sd .sd-names button{font:700 14.5px var(--font-sans);color:var(--ink-deep);background:var(--card);border:2px solid var(--line);border-radius:999px;padding:8px 14px;cursor:pointer}.sd .sd-names button[aria-pressed=true]{background:var(--accent-tint);border-color:var(--accent)}.sd .sd-names .sd-dice{border-style:dashed;color:var(--ink-soft)}.sd-years{display:flex;gap:8px}.sd .sd-years button{flex:1;font:700 15px var(--font-sans);color:var(--ink-deep);background:var(--card);border:2px solid var(--line);border-radius:14px;padding:10px 4px;cursor:pointer}.sd .sd-years button[aria-pressed=true]{background:var(--ink-deep);color:#fff;border-color:var(--ink-deep)}.sd-pw{display:flex;gap:5px;margin-top:2px}.sd-pw i{flex:1;height:7px;border-radius:4px;background:var(--line)}.sd-pw i.on{background:var(--accent)}.sd-code{position:relative;display:flex;gap:8px;justify-content:center}.sd-code i{width:44px;height:54px;border-radius:12px;border:2px solid var(--line);background:var(--card);display:grid;place-items:center;font:600 26px var(--font-serif);font-style:normal;color:var(--ink-deep)}.sd-code i.now{border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-tint)}.sd .sd-fld--code{align-items:center;gap:10px}.sd-codehead{font:600 20px var(--font-serif);color:var(--ink-deep)}.sd .sd-code .sd-code__in{position:absolute;inset:0;width:100%;height:100%;opacity:0;padding:0;border:0;cursor:text;font-size:16px}.sd-years--other{margin-top:3px}.sd .sd-fld--left{text-align:left}.sd .sd-link:disabled{opacity:.65;cursor:default}[lang=zh-Hans] .sd-codehead{line-height:1.25}@container sd (max-width: 760px){.sd-d1,.sd-d1[data-who=parent]{grid-template-columns:minmax(0,1fr);min-height:560px}.sd-door{padding:20px 20px 26px}.sd-door--par{border-radius:24px 24px 0 0}.sd-d1[data-who=parent] .sd-door--kid{order:2;border-top:1px solid var(--line)}.sd-door__mini{flex-direction:row;align-items:center;flex-wrap:wrap}.sd-door__mini .sd-owl{width:54px}.sd-owl{width:92px}.sd-kid{grid-template-columns:minmax(0,1fr);gap:12px}.sd-kid__h{flex-direction:row-reverse;justify-content:center;align-items:center;gap:12px}.sd-kid__h .sd-owl{max-width:96px}.sd-say:after{left:-8px;bottom:50%;margin:0 0 -9px}.sd-d1[data-who=parent] .sd-door--kid .sd-brickrow,.sd-float{display:none}}.sd-door--kid .sd-door__mini{position:relative;z-index:1}@media (prefers-reduced-motion:reduce){.sd,.sd *{animation:none!important;transition:none!important}}[lang=zh-Hans] .sd .sd-h,[lang=zh-Hans] .sd-say{line-height:1.25}@media (max-width:860px){.sd--study{--sd-chrome:0px}}.sd [hidden]{display:none!important}.sd-sr{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}