:root{--bg:#F3F4F8;--slide:#fff;--ink:#12162A;--ink2:#3A4057;--muted:#6B7287;--line:#DADDE8;--blue:#2B5BFF;--blue2:#1D44D6;--mark:#FFE45C;--orange:#FF6A1A;--red:#E5484D;--soft:#EEF2FF;--hl:rgba(255,228,92,.78);--solid:#2B5BFF;--solid2:#1D44D6;--shadow:0 1px 0 rgba(18,22,42,.04),0 12px 32px -12px rgba(18,22,42,.18);
--black:'HHBlack','PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;color-scheme:light}
@media (prefers-color-scheme:dark){:root{--bg:#0E1220;--slide:#171C2F;--ink:#E9ECF5;--ink2:#C3C8DA;--muted:#8D94AD;--line:#2A3150;--blue:#6E8BFF;--blue2:#8DA3FF;--soft:#1E2642;--hl:rgba(255,228,92,.26);--solid:#3D63FF;--solid2:#5276FF;--shadow:0 12px 32px -12px rgba(0,0,0,.6);color-scheme:dark}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;overflow-x:clip}
body{margin:0;min-height:100vh;background:var(--bg);color:var(--ink);font:16px/1.7 -apple-system,'PingFang SC','Hiragino Sans GB','Microsoft YaHei',system-ui,sans-serif;
background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:28px 28px;background-position:-1px -1px;background-attachment:fixed}
body::before{content:'';position:fixed;inset:0;background:radial-gradient(80% 60% at 50% 30%,transparent,var(--bg) 80%);pointer-events:none;z-index:0}
button,textarea,a{font:inherit;color:inherit;-webkit-tap-highlight-color:transparent}
main,.foot{position:relative;z-index:1}
main{max-width:640px;margin:0 auto;padding:14px 16px 8px}
.top{display:flex;justify-content:space-between;align-items:center;font:12px/1 var(--black);letter-spacing:1px;color:var(--muted)}
.conf{border:1.5px solid var(--red);color:var(--red);padding:5px 8px 4px;border-radius:4px;transform:rotate(-2deg)}
.pg{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-weight:700}
.hero{padding:22px 2px 4px}
.kicker{margin:0;font:13px/1 var(--black);color:var(--blue);letter-spacing:.5px;display:flex;align-items:center;gap:8px}
.dot{width:8px;height:8px;border-radius:2px;background:var(--orange);display:inline-block}
.title{margin:12px 0 0;font:900 52px/1.08 var(--black);letter-spacing:-1px}
.title .arrow{display:inline-block;font-family:system-ui,sans-serif;font-weight:400;color:var(--blue);margin:0 6px;font-size:.7em;vertical-align:.08em;animation:swap 3.2s ease-in-out infinite}
@keyframes swap{0%,40%{transform:scaleX(1)}50%,90%{transform:scaleX(-1)}100%{transform:scaleX(1)}}
mark{background:linear-gradient(transparent 52%,var(--mark) 52% 92%,transparent 92%);color:inherit;padding:0 2px}
.sub{margin:12px 0 0;color:var(--ink2);font-size:15.5px}
.slide{margin:20px 0 10px;background:var(--slide);border:1px solid var(--line);border-top:5px solid var(--solid);border-radius:10px;box-shadow:var(--shadow);padding:14px 14px 12px}
.seg{display:grid;grid-template-columns:1fr 1fr;background:var(--soft);border-radius:8px;padding:4px;gap:4px}
.seg button{appearance:none;border:0;background:transparent;border-radius:6px;padding:9px 6px;font:15px/1.2 var(--black);color:var(--muted);cursor:pointer;transition:background .2s,color .2s}
.seg button.on{background:var(--slide);color:var(--blue);box-shadow:0 1px 3px rgba(18,22,42,.15)}
.seg button:focus-visible,.btn:focus-visible,.chip:focus-visible,.links a:focus-visible{outline:3px solid var(--mark);outline-offset:2px}
.box{position:relative;display:block;margin-top:12px;border:1.5px solid var(--line);border-radius:8px;padding:28px 12px 22px;background:var(--slide);transition:border-color .2s,box-shadow .2s}
.box:focus-within{border-color:var(--blue);box-shadow:0 0 0 4px color-mix(in srgb,var(--blue) 18%,transparent)}
.box.shake{animation:shake .4s}
@keyframes shake{25%{transform:translateX(-6px)}50%{transform:translateX(5px)}75%{transform:translateX(-3px)}}
.lab{position:absolute;left:12px;top:8px;font:12px/1 var(--black);color:var(--muted)}
.box textarea{display:block;width:100%;border:0;outline:0;resize:none;background:transparent;font-size:17px;line-height:1.65;color:var(--ink);min-height:5.2em}
.box textarea::placeholder{color:var(--muted);opacity:.75}
.count{position:absolute;right:12px;bottom:6px;font:12px ui-monospace,Menlo,monospace;color:var(--muted)}
.count.over b{color:var(--red)}
.ex{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.chip{appearance:none;border:1px dashed var(--line);background:transparent;border-radius:999px;padding:5px 12px;font-size:13.5px;line-height:1.4;color:var(--ink2);cursor:pointer;text-align:left;max-width:100%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:border-color .15s,background .15s,color .15s}
.chip::before{content:'例';font:11px/1 var(--black);color:var(--orange);margin-right:6px}
.chip:hover{border-color:var(--blue);color:var(--blue);background:var(--soft)}
.btn{appearance:none;display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1.5px solid var(--blue);border-radius:8px;background:transparent;color:var(--blue);padding:10px 18px;font:15px/1.2 var(--black);cursor:pointer;text-decoration:none;transition:transform .1s,background .15s,box-shadow .15s}
.btn:active{transform:translateY(1px)}
.btn.primary{background:var(--solid);border-color:var(--solid);color:#fff;box-shadow:0 6px 16px -6px color-mix(in srgb,var(--blue) 70%,transparent)}
.btn.primary:hover{background:var(--solid2)}
.btn.ghost:hover{background:var(--soft)}
.btn[disabled]{opacity:.6;cursor:progress}
.btn.big{width:100%;margin-top:14px;padding:13px;font-size:18px;letter-spacing:4px}
.err{min-height:1.2em;margin:8px 2px 0;color:var(--red);font-size:14px;font-weight:600}
.note{margin:8px 0 0;font-size:12.5px;color:var(--muted);text-align:center}
.busy{text-align:center;padding:22px 0 8px}
.busy[hidden],.result[hidden],.shot[hidden]{display:none}
.bars{display:flex;gap:6px;justify-content:center;align-items:flex-end;height:46px;margin-bottom:10px}
.bars i{width:12px;border-radius:3px 3px 0 0;background:var(--blue);animation:grow 1.1s ease-in-out infinite}
.bars i:nth-child(2){animation-delay:-.2s;background:var(--orange)}.bars i:nth-child(3){animation-delay:-.4s}.bars i:nth-child(4){animation-delay:-.6s;background:var(--mark)}.bars i:nth-child(5){animation-delay:-.8s}
@keyframes grow{0%,100%{height:12px}50%{height:46px}}
#busyLine{margin:0;font:15px var(--black);color:var(--ink2)}
.result{padding:8px 0 4px}
.card{position:relative;background:var(--slide);border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow);padding:0 16px 16px;overflow:hidden;animation:rise .45s cubic-bezier(.2,1.2,.4,1)}
@keyframes rise{from{opacity:0;transform:translateY(24px)}}
.card-h{display:flex;justify-content:space-between;margin:0 -16px 6px;padding:10px 16px;background:var(--solid);color:#fff;font:13px/1.2 var(--black);letter-spacing:.5px}
.k{margin:12px 0 4px;font:12px/1 var(--black);color:var(--muted);letter-spacing:1px}
.orig{margin:0;padding:2px 0 2px 12px;border-left:3px solid var(--line);color:var(--muted);font-size:14.5px;line-height:1.7;word-break:break-word}
.out{margin:0;font-size:19px;line-height:1.8;font-weight:600;word-break:break-word}
.out span{background:linear-gradient(transparent 60%,var(--hl) 60%);box-decoration-break:clone;-webkit-box-decoration-break:clone}
.terms{margin:14px 0 0;display:grid;grid-template-columns:auto 1fr;border-top:1px solid var(--line)}
.terms:empty{display:none}
.terms dt,.terms dd{margin:0;padding:7px 0;border-bottom:1px solid var(--line);font-size:14px}
.terms dt{font-weight:700;color:var(--blue);padding-right:14px}
.terms dd{color:var(--ink2)}
.meter{margin-top:14px;display:grid;gap:6px}
.meter .row{display:grid;grid-template-columns:7.2em 1fr 3em;align-items:center;gap:10px;font-size:12.5px;color:var(--muted)}
.meter .track{height:8px;border-radius:99px;background:var(--soft);overflow:hidden}
.meter .track i{display:block;height:100%;width:0;border-radius:99px;background:var(--orange);transition:width 1s cubic-bezier(.2,.8,.2,1)}
.meter .row:last-child .track i{background:var(--blue)}
.meter b{font:13px ui-monospace,Menlo,monospace;color:var(--ink);text-align:right}
.verdict{margin:14px 0 0;font-size:15px;font-weight:700;line-height:1.5;color:var(--ink)}
.verdict:empty{display:none}
.verdict::before{content:'点评';font-family:var(--black);font-weight:400;color:var(--orange);margin-right:8px}
.kr{display:flex;justify-content:space-between;align-items:flex-end}
.stamp{margin:8px 2px 0 0;border:3px solid var(--red);color:var(--red);border-radius:6px;padding:2px 10px;font:18px/1.3 var(--black);letter-spacing:2px;transform:rotate(12deg);opacity:.85;animation:stamp .5s .25s backwards cubic-bezier(.3,1.6,.5,1)}
@keyframes stamp{from{opacity:0;transform:rotate(12deg) scale(2.2)}}
.btns{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:14px}
.btns .btn{flex:1 1 0;min-width:0;white-space:nowrap}
.shot{margin-top:16px;text-align:center}
.shot img{width:100%;max-width:420px;height:auto;border-radius:10px;box-shadow:var(--shadow);border:1px solid var(--line)}
.foot{max-width:640px;margin:0 auto;padding:18px 16px 34px;color:var(--muted);font-size:12.5px;text-align:center}
.foot p{margin:6px 0}
.links{display:flex;flex-wrap:wrap;gap:6px 16px;justify-content:center}
.links a{color:var(--ink2);text-decoration:none;font-family:var(--black);background:linear-gradient(var(--mark),var(--mark)) no-repeat 0 100%/100% 3px;padding:0 1px;transition:background-size .2s}
.links a:hover{background-size:100% 100%;color:#12162A}
@media (min-width:720px){main{padding-top:28px}.title{font-size:64px}.slide{padding:18px 20px 16px}.card{padding:0 22px 20px}.card-h{margin:0 -22px 8px;padding:12px 22px}.out{font-size:21px}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}