@charset "UTF-8";
:root{--paper:#f4f2ed;--card:#fcfbf8;--ink:#263641;--muted:#8b8e8e;--line:#dcded8;--accent:#9b6e57;--serif:Georgia,"Songti SC","Noto Serif CJK SC","Source Han Serif SC","STSong","SimSun",serif;--sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}
*{box-sizing:border-box}html{min-height:100%;background:var(--paper)}body{margin:0;min-height:100vh;min-height:100dvh;color:var(--ink);font-family:var(--sans);font-size:14px;-webkit-font-smoothing:antialiased}button,input{font:inherit}button{cursor:pointer}button,input{-webkit-tap-highlight-color:transparent}button:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:5px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.masthead{max-width:1440px;margin:auto;padding:34px 64px;display:flex;justify-content:space-between;align-items:center}.brand{display:flex;align-items:center;gap:14px;font-family:var(--serif);font-size:21px;letter-spacing:.1em}.brand-mark{height:35px;width:35px;border:1px solid #56636b;border-radius:50%;position:relative;overflow:hidden;display:block}.brand-mark:before{content:"";position:absolute;width:25px;height:33px;border-left:1px solid #56636b;border-radius:50%;top:1px;left:17px}.brand-mark:after{content:"";position:absolute;left:7px;right:7px;top:17px;height:1px;background:#8c979b;transform:rotate(-42deg)}.header-line{width:62px;height:1px;background:#bdc6c3}.entry-layout{max-width:1250px;margin:53px auto 72px;min-height:510px;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(350px,.85fr);gap:clamp(45px,8vw,125px);padding:0 64px;align-items:center}.illustration-panel{position:relative;align-self:stretch;display:flex;flex-direction:column;justify-content:center;min-height:465px}.art-topline{position:absolute;top:17px;left:6px;right:0;display:flex;justify-content:space-between;align-items:center}.art-topline span{height:1px;width:36px;background:#ab8269}.art-topline i{height:3px;width:3px;border-radius:50%;background:#abb7b1}.paper-art{height:375px;width:440px;position:relative;margin:20px 0 0 5px}.art-sheet{position:absolute;background:#ebe9e1;border:1px solid #d9d8cf;box-shadow:0 12px 25px #1c343508}.sheet-back{height:277px;width:206px;top:35px;left:159px;transform:rotate(14deg);background:#d9dfdd}.sheet-number{font-family:var(--serif);font-size:38px;position:absolute;right:17px;top:15px;color:#75837a80}.sheet-back-lines{position:absolute;left:18px;right:18px;bottom:23px;border-top:1px solid #afbbb5;border-bottom:1px solid #c1cbc4;height:5px}.sheet-front{height:288px;width:214px;top:40px;left:74px;transform:rotate(-12deg);background:#f9f7ef;padding:20px 17px;color:#7b837f}.sheet-caption{display:flex;justify-content:space-between;align-items:center}.sheet-caption i{width:28px;height:1px;background:#a9b0a4}.sheet-caption span{font-family:var(--serif);font-size:12px;color:#9da696}.sheet-footer{position:absolute;bottom:21px;left:18px;right:18px;display:flex;align-items:center;justify-content:space-between}.sheet-footer span{width:83px;height:1px;background:#c9ccbf}.sheet-footer i{height:4px;width:4px;border:1px solid #b0b9a9;border-radius:50%}.abstract-face{height:199px;position:relative;overflow:hidden;margin-top:4px}.abstract-face:before{content:"";position:absolute;left:45px;top:23px;width:95px;height:142px;background:#e1dbcd;border-radius:49% 48% 44% 46%;transform:rotate(-10deg)}.face-line{position:absolute;left:84px;top:23px;border-right:1px solid #9b9484;border-bottom:1px solid #9b9484;width:57px;height:138px;border-radius:50% 48% 42% 40%;transform:rotate(-10deg)}.face-eye{position:absolute;left:103px;top:89px;width:32px;height:10px;border-top:1px solid #7e7e73;transform:rotate(-5deg)}.face-neck{position:absolute;left:53px;top:153px;width:98px;height:48px;border-right:1px solid #9b9484;border-left:1px solid #9b9484;transform:rotate(-12deg);border-radius:40% 20% 0 0}.face-hair{position:absolute;left:25px;top:20px;border-top:21px solid #56666e;border-left:21px solid #56666e;width:95px;height:149px;border-radius:60% 50% 10% 30%;transform:rotate(8deg)}.orbit{position:absolute;border:1px solid #c5cec7;border-radius:50%;width:442px;height:172px;left:-1px;top:106px;transform:rotate(-23deg)}.orbit-two{height:290px;width:358px;top:49px;left:37px;transform:rotate(32deg);border-color:#d9ddd5}.orbit-dot{position:absolute;width:7px;height:7px;background:#a67c60;border-radius:50%;left:418px;top:118px}.art-cross{position:absolute;left:10px;top:259px;font-size:25px;font-weight:200;color:#a9aea8}.small-cross{position:absolute;right:43px;top:17px;color:#c4ccc3;font-size:16px;font-weight:200}.art-bottomline{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:17px}.art-bottomline span{width:3px;height:3px;border-radius:50%;background:#bec7bd}.art-bottomline span:nth-child(2){width:21px;height:1px;border-radius:0;background:#b3beb2}.entry-card{background:var(--card);border:1px solid #e1e2db;padding:31px 38px 27px;box-shadow:0 16px 65px #28342a04;position:relative}.entry-card:before{content:"";height:3px;width:40px;background:#a77860;position:absolute;top:-2px;left:38px}.card-topline{display:flex;align-items:center;justify-content:space-between;padding-bottom:27px;border-bottom:1px solid var(--line);color:#8b979a}.card-rule{height:1px;width:28px;background:#b5c0b8}.entry-card h1{font-family:var(--serif);font-size:32px;line-height:1.5;font-weight:400;letter-spacing:.07em;margin:32px 0 34px}.input-wrap{position:relative}input{width:100%;height:52px;background:#f5f5ef;border:1px solid #dedfd6;padding:0 58px 0 15px;color:var(--ink);border-radius:0;transition:background .2s,border-color .2s}input:focus{border-color:#889794;background:white;outline:none}input::placeholder{color:#adb0a6;font-size:12px}input[aria-invalid="true"]{border-color:#b17e69}.visibility-toggle{position:absolute;height:100%;right:0;top:0;width:52px;background:transparent;border:0;font-size:10px;color:#828e8d}.visibility-toggle:hover{color:var(--ink)}.form-message{color:#ac6a51;font-size:11px;line-height:1.6;min-height:18px;margin:9px 0 12px}.enter-button{width:100%;height:53px;display:flex;align-items:center;justify-content:space-between;padding:0 19px;background:#293e46;color:#f5f6f1;border:1px solid #293e46;font-size:12px;letter-spacing:.09em;transition:background .2s,transform .2s}.enter-button:hover{background:#3a5059}.enter-button:active{transform:translateY(1px)}.enter-button:disabled{cursor:wait;opacity:.8}.enter-arrow{transition:transform .2s}.enter-button:hover .enter-arrow{transform:translateX(3px)}.spinner{display:none;width:16px;height:16px;border:1px solid #ffffff4d;border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}.enter-button[aria-busy="true"] .spinner{display:block}.enter-button[aria-busy="true"] .enter-arrow{display:none}.card-footnote{display:flex;gap:10px;align-items:center;justify-content:center;margin-top:29px;padding-top:21px;border-top:1px solid var(--line);color:#b4ac96}.card-footnote span{width:19px;height:1px;background:#d5d8ca}.card-footnote i{font-style:normal;font-size:19px}.page-bottom-rule{max-width:1160px;height:1px;margin:0 auto 40px;background:linear-gradient(90deg,transparent,#d6ddd0 30%,#d6ddd0 70%,transparent)}@keyframes spin{to{transform:rotate(360deg)}}
@media(min-height:950px) and (min-width:900px){.entry-layout{margin-top:12vh;margin-bottom:12vh}}@media(max-width:1100px){.masthead{padding:28px 36px}.entry-layout{padding:0 36px;gap:45px;grid-template-columns:minmax(0,1fr) minmax(330px,.95fr)}.paper-art{transform:scale(.83);transform-origin:left center;margin-left:0;width:400px}.entry-card{padding:28px}.entry-card:before{left:28px}.illustration-panel{min-height:450px}.art-topline{right:30px}}
@media(max-width:760px){.masthead{padding:25px 25px}.brand{font-size:19px;gap:11px}.brand-mark{height:31px;width:31px}.brand-mark:before{left:15px;top:-1px}.brand-mark:after{top:15px}.header-line{width:34px}.entry-layout{display:flex;flex-direction:column;gap:0;margin:0 auto 37px;padding:0 25px;min-height:0;max-width:465px;align-items:stretch}.illustration-panel{height:195px;min-height:195px;align-self:auto;align-items:center;overflow:hidden}.paper-art{transform:scale(.5);transform-origin:center center;flex-shrink:0;margin:-41px 0 0;width:440px;height:375px}.art-topline,.art-bottomline{display:none}.entry-card{padding:26px 30px 24px}.entry-card:before{left:30px}.card-topline{padding-bottom:21px}.entry-card h1{font-size:29px;margin:26px 0 28px}.card-footnote{margin-top:25px;padding-top:18px}.page-bottom-rule{margin:0 25px 28px}}
@media(max-height:740px) and (min-width:761px){.entry-layout{margin-top:15px;margin-bottom:25px;min-height:460px}.illustration-panel{min-height:430px}.paper-art{transform:scale(.88);transform-origin:left center}.page-bottom-rule{margin-bottom:20px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}

/* A short paper-opening sequence; the resting screen stays still. */
body{overflow-x:hidden}
.masthead{animation:entry-rise .7s cubic-bezier(.22,1,.36,1) both}
.entry-card{animation:entry-rise .85s .1s cubic-bezier(.22,1,.36,1) both}
.sheet-front{animation:front-unfold 1.15s .06s cubic-bezier(.22,1,.36,1) both;transition:transform .65s cubic-bezier(.22,1,.36,1)}
.sheet-back{animation:back-unfold 1.2s cubic-bezier(.22,1,.36,1) both;transition:transform .65s cubic-bezier(.22,1,.36,1)}
.sheet-front,.sheet-back{animation-fill-mode:backwards}
.orbit,.art-cross,.small-cross,.orbit-dot,.art-topline,.art-bottomline{animation:detail-reveal 1.3s .25s ease both}
.page-bottom-rule{transform-origin:center;animation:rule-draw 1s .2s cubic-bezier(.22,1,.36,1) both}
.entry-card:focus-within{box-shadow:0 18px 65px #28342a09}
.entry-card{transition:box-shadow .4s ease}
body.is-editing .sheet-front{transform:translate(5px,-5px) rotate(-7deg)}
body.is-editing .sheet-back{transform:translate(-3px,2px) rotate(17deg)}
.enter-button{position:relative;overflow:hidden;min-height:54px;touch-action:manipulation}
.enter-button:after{content:"";position:absolute;inset:0;background:linear-gradient(110deg,transparent 20%,#ffffff16 50%,transparent 80%);transform:translateX(-110%);pointer-events:none}
.enter-button[aria-busy="true"]:after{animation:button-sheen 1.1s ease-out 1}
.enter-button.is-unlocked{background:#425d5b;border-color:#425d5b}
.enter-button.is-unlocked .enter-arrow{transform:translateX(5px)}
.visibility-toggle{min-width:48px;touch-action:manipulation;font-size:12px}
.entry-card.is-error .input-wrap{animation:input-nudge .32s ease-in-out}
body.is-leaving .entry-layout{animation:entry-exit .24s cubic-bezier(.4,0,1,1) forwards;pointer-events:none}
body.is-leaving .masthead{animation:entry-exit .24s ease forwards}
@keyframes entry-rise{from{opacity:0;translate:0 16px}to{opacity:1;translate:0 0}}
@keyframes front-unfold{from{opacity:0;transform:translate(18px,25px) rotate(-2deg) scale(.94)}to{opacity:1;transform:rotate(-12deg)}}
@keyframes back-unfold{from{opacity:0;transform:translate(-15px,18px) rotate(0) scale(.95)}to{opacity:1;transform:rotate(14deg)}}
@keyframes detail-reveal{from{opacity:0}to{opacity:1}}
@keyframes rule-draw{from{opacity:0;scale:.3 1}to{opacity:1;scale:1 1}}
@keyframes button-sheen{to{transform:translateX(110%)}}
@keyframes input-nudge{0%,100%{translate:0 0}25%{translate:-4px 0}65%{translate:3px 0}}
@keyframes entry-exit{to{opacity:0;translate:0 -10px}}
@media(max-width:760px){
  .masthead{padding-top:max(25px,env(safe-area-inset-top));padding-left:max(25px,env(safe-area-inset-left));padding-right:max(25px,env(safe-area-inset-right))}
  .page-bottom-rule{margin-bottom:max(28px,env(safe-area-inset-bottom))}
  input{font-size:16px;min-height:54px}
  input::placeholder{font-size:14px}
  .form-message{font-size:12px}
  .enter-button{font-size:14px}
}
@media(hover:none){.enter-button:hover{background:#293e46}.enter-button:hover .enter-arrow{transform:none}.enter-button:active{background:#3a5059;transform:scale(.987)}}
@media(prefers-reduced-motion:reduce){
  *,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}