:root{--paper:#fffdf6;--bg:#f5f2eb;--ink:#2e302c;--muted:#77796e;--rust:#975435;--line:#dbc8a8;--gold:#ab8d51;--soft:#f3eadc;--serif:'STSong','SimSun','Songti SC',serif;font-family:'Microsoft YaHei','PingFang SC',sans-serif;color:var(--ink);background:var(--bg);font-synthesis:none}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:25px}body{margin:0}button,input,select{font:inherit}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a{color:inherit;text-decoration:none}button{transition:background .16s,border-color .16s,transform .16s}button:disabled{opacity:.45;cursor:not-allowed}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:2px solid var(--rust);outline-offset:4px}button:hover:not(:disabled){filter:brightness(.96)}[hidden]{display:none!important}.header{max-width:1240px;margin:auto;display:flex;align-items:center;justify-content:space-between;height:104px;border-bottom:1px solid var(--line);padding:0 24px}.brand{display:flex;gap:13px;align-items:center;font-family:var(--serif);font-size:26px;font-weight:bold;letter-spacing:3px}.brand small{display:block;font-family:'Microsoft YaHei',sans-serif;font-size:10px;font-weight:400;letter-spacing:3px;margin-top:7px;color:var(--muted)}.seal{color:var(--rust);font-size:46px;line-height:1}.header nav{display:flex;align-self:stretch;gap:36px;font-size:14px}.header nav a{display:flex;align-items:center;position:relative}.header nav .active{color:var(--rust)}.header nav .active:after{position:absolute;bottom:-1px;left:0;right:0;height:2px;background:var(--rust);content:''}.header-note{font-family:var(--serif);color:var(--muted);font-size:14px;letter-spacing:2px}main{max-width:1160px;padding:0 24px;margin:auto}.intro{padding:52px 3px 35px;display:flex;justify-content:space-between;align-items:center}.eyebrow{font-size:11px;letter-spacing:4px;color:var(--rust)}h1{font-family:var(--serif);font-size:38px;letter-spacing:3px;font-weight:500;margin:14px 0 16px}p{line-height:1.8}.intro p{font-size:14px;color:var(--muted);margin:0}.trigram-deco{font-family:serif;font-size:70px;letter-spacing:14px;color:#a38b633d;transform:rotate(-12deg);padding-right:12px}.trigram-deco span{color:#a38b636e}.paper{background:var(--paper);border:1px solid var(--line);padding:28px 36px 0;position:relative;box-shadow:0 4px 24px #55411804}.paper:before,.paper:after{content:'';position:absolute;width:15px;height:15px;pointer-events:none;border:1px solid var(--line);top:6px}.paper:before{left:6px;border-right:0;border-bottom:0}.paper:after{right:6px;border-left:0;border-bottom:0}.section-title{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:16px;margin-bottom:24px;gap:12px}h2{font-family:var(--serif);font-size:23px;margin:0;font-weight:bold}h3{font-family:var(--serif);font-size:21px;font-weight:500;margin:0 0 10px}.title-mark{font-family:serif;color:var(--rust);font-size:25px;margin-right:9px;vertical-align:middle}.small{color:var(--muted);font-size:11px}.fields{display:grid;grid-template-columns:1.35fr 1fr;gap:32px}label{font-size:13px;color:var(--rust);display:block;font-weight:500}input,select{color:var(--ink);display:block;width:100%;height:44px;border:1px solid #d7d2c7;border-radius:3px;padding:0 12px;background:#fffefa;margin-top:10px;min-width:0;font-size:14px}input::placeholder{color:#a0a095}.input-action{display:flex}.input-action input{border-radius:3px 0 0 3px}.input-action button{border:1px solid #d7d2c7;border-left:0;color:var(--rust);background:var(--soft);font-size:13px;white-space:nowrap;border-radius:0 3px 3px 0;margin-top:10px;padding:0 14px}.personal{margin:18px 0 26px;color:var(--muted);font-size:12px}.personal summary{width:fit-content;cursor:pointer}.personal summary span{color:#9b9b91;font-size:11px;margin-left:8px}.personal-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:16px;margin-top:18px}.mode-label{font-size:13px;color:var(--rust);margin-bottom:12px}.tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.tabs button{border:1px solid #ddd5c6;border-radius:3px;background:#faf8f2;display:flex;align-items:center;gap:14px;text-align:left;padding:17px 22px;color:#777468;font-size:15px}.tabs button[aria-selected=true]{background:#f5ecdf;border:1px solid #aa805a;color:var(--rust)}.tab-icon{font-family:var(--serif);font-size:24px;border-right:1px solid #d9c8ae;padding-right:16px}.tabs small{display:block;margin-top:4px;font-size:11px;color:#8b877c;letter-spacing:1px}.mode-panel{padding:30px 0 20px;min-height:300px}.mode-panel p{font-size:13px;color:var(--muted);margin:8px 0 14px}.number-entry{display:grid;grid-template-columns:1.1fr 1fr;gap:60px}.number-entry input{font-size:26px;font-family:var(--serif);letter-spacing:5px;height:58px;max-width:360px;border-color:#c6b699;background:#fffefb}.number-entry input::placeholder{font-family:'Microsoft YaHei',sans-serif;font-size:16px;letter-spacing:1px}.hint{font-size:11px!important;color:#8b877c!important}.examples{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:10px;color:#989286}.examples button{font-size:11px;padding:4px 7px;border:1px solid #ddd4c3;background:transparent;color:#75674f;border-radius:3px}.trigram-key{display:grid;grid-template-columns:repeat(4,1fr);gap:14px 22px;text-align:center;border-left:1px solid #e7dece;padding-left:35px;align-self:center}.trigram-key div{font-size:12px;color:#8c7d63}.trigram-key b{display:block;font-family:serif;font-size:30px;color:#6e725e;font-weight:400;margin-bottom:2px}.trigram-key em{font-style:normal;color:#a59780;margin-right:7px}.live-preview{background:#f6f2e8;border-left:2px solid var(--gold);padding:9px 12px;margin:22px 0 0!important;font-size:12px!important;color:#7b6746!important}.form-bottom{border-top:1px solid #e8decd;display:flex;justify-content:space-between;align-items:center;padding:23px 0;gap:10px}.form-bottom>span{color:#969382;font-family:var(--serif);font-size:14px}.form-bottom>div{display:flex;gap:20px;align-items:center}.primary{background:var(--rust);color:#fff9ed;border:1px solid var(--rust);border-radius:3px;padding:12px 27px;letter-spacing:2px;font-size:15px}.primary span{margin-left:25px}.text-button{border:0;background:transparent;color:#877c67;font-size:13px;padding:9px 0}.secondary{border:1px solid #ac8055;background:#f5ecdf;color:var(--rust);padding:10px 23px;border-radius:3px;font-size:14px}.time-values{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid #e3d9c7;margin:20px 0}.time-values>div{padding:15px 18px;border-right:1px solid #e3d9c7;font-size:12px;color:var(--muted)}.time-values>div:last-child{border:0}.time-values strong{display:block;font-family:var(--serif);font-size:26px;color:var(--rust);margin-top:6px}.calculation{font-size:14px;line-height:2;color:#695b44}.coin-layout{display:grid;grid-template-columns:1fr .7fr;gap:50px}.coins{display:flex;gap:24px;border:0;background:transparent;padding:20px 10px 23px}.coin{display:flex;width:76px;height:76px;flex-direction:column;align-items:center;justify-content:center;background:radial-gradient(circle,#d4b675,#ae8745);box-shadow:inset 0 0 0 3px #97713a,inset 0 0 0 6px #d1b272,0 3px 6px #654d2e22;border-radius:50%;color:#644d2d;font-family:var(--serif);gap:4px;font-size:13px}.coin i{display:block;background:var(--paper);height:17px;width:17px;border:2px solid #94703d}.coin b{font-weight:500;letter-spacing:6px;padding-left:6px}.coins.rolling .coin{animation:toss .32s infinite alternate}.coins.rolling .coin:nth-child(2){animation-delay:.12s}.coins.rolling .coin:nth-child(3){animation-delay:.22s}@keyframes toss{to{transform:translateY(-9px) rotateY(150deg) rotate(12deg)}}.coin-actions{display:flex;align-items:center;gap:20px}.coin-lines{list-style:none;margin:0;padding:0 0 0 25px;border-left:1px solid #e3d9c7;display:flex;flex-direction:column;justify-content:space-between}.coin-lines li{display:flex;align-items:center;gap:20px;font-size:12px;min-height:36px;color:#8c877b}.coin-lines li.done{color:#585b4c}.coin-lines li span:first-child{width:28px}.yao{display:inline-flex;width:79px;height:10px;gap:12px;vertical-align:middle;flex-shrink:0}.yao i{height:100%;background:currentColor;flex:1}.yao.yang{gap:0}.yao.pending{height:1px;background:#d9d3c5}.yao.moving{color:var(--rust)}.rules{padding:40px 2px}.rules h2{font-size:22px}.rule-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin:25px 0}.rule-grid article>span{font-size:11px;color:var(--gold);letter-spacing:2px}.rule-grid h3{font-size:18px;margin:12px 0 8px}.rule-grid p{font-size:12px;color:var(--muted);margin:0;line-height:2}.rules details{border-top:1px solid #ded7c8;padding-top:16px;font-size:12px;color:var(--muted);line-height:1.9}.rules summary{cursor:pointer;width:fit-content}.rules a{text-decoration:underline;text-underline-offset:3px}footer{max-width:1160px;margin:0 auto;padding:20px 24px 30px;border-top:1px solid #ded7c8;display:flex;justify-content:space-between;font-size:11px;color:#9a9587;letter-spacing:1px}#error{margin:0 0 20px;color:#aa3b2d;font-size:13px}.result{margin-top:32px;padding-bottom:30px;font-family:var(--serif)}.result .section-title{margin-bottom:22px;margin-top:34px}.result .section-title:first-child{margin-top:0}.result dl{display:grid;grid-template-columns:100px 1fr;gap:12px 10px;margin:0;font-size:16px;line-height:1.7}.result dt{font-weight:bold;color:var(--rust)}.result dd{margin:0;color:#71736d;overflow-wrap:anywhere}.result dd b{font-weight:normal;color:#ac533c}.result .lunar{color:#667558}.result .meta-strip{display:flex;gap:25px;flex-wrap:wrap;margin-bottom:16px;font-size:16px;color:#74746b}.meta-strip strong{color:var(--rust);font-size:15px}.chart-wrap{overflow-x:auto;padding:4px 0 14px}.chart{border-collapse:collapse;width:100%;min-width:690px;font-size:17px}.chart th{font-size:16px;padding:6px 8px 18px;text-align:left;white-space:nowrap}.chart td{padding:8px;white-space:nowrap}.chart th:first-child,.chart td:first-child{padding-left:18px}.chart .hidden-spirit{font-size:15px;color:#7e7d6a;min-width:125px}.chart .yao-cell{width:115px}.motion-mark{color:var(--rust);margin-left:9px;font-weight:bold}.chart .badge{font-size:14px;color:var(--rust);background:#f5ecdd;padding:2px 5px}.chart .changed-label{color:#8a846f}.chart .mutated td{background:#f8f2e8}.gua-heading{color:#9e4b32;font-weight:bold;font-size:21px;letter-spacing:1px;margin-bottom:14px}.classics p{font-size:18px;line-height:1.95;margin:6px 0}.classics .changing-text{color:var(--rust);background:#f6eddf;border-left:2px solid var(--gold);padding:8px 15px;margin:12px 0}.classics .source-note{font-size:12px;color:#9a9281}.result-tools{display:flex;gap:18px;font-family:'Microsoft YaHei',sans-serif}.result-note{font-family:'Microsoft YaHei',sans-serif;font-size:12px;color:#96907f}.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}#result:focus{outline:none}.result details summary{cursor:pointer;color:var(--rust);margin-top:20px}.toast{font-size:12px;color:var(--rust);margin-left:10px}
@media(max-width:760px){.header{height:85px;margin:0 20px;padding:0}.header-note{display:none}.brand{font-size:22px}.brand small{font-size:9px;letter-spacing:2px}.seal{font-size:36px}.header nav{gap:18px;font-size:12px}main{padding:0 16px}.intro{padding:32px 2px 26px}h1{font-size:28px;letter-spacing:1px}.eyebrow{font-size:10px}.trigram-deco{display:none}.paper{padding:23px 20px 0}.section-title h2{font-size:21px}.small{font-size:10px}.fields{grid-template-columns:1fr;gap:18px}.personal-grid{grid-template-columns:1fr 1fr}.tabs{gap:7px}.tabs button{padding:13px 5px;gap:7px;justify-content:center;font-size:13px}.tabs small{font-size:10px;letter-spacing:0}.tab-icon{font-size:20px;padding-right:7px}.number-entry{grid-template-columns:1fr;gap:25px}.number-entry input{max-width:none}.trigram-key{border:0;border-top:1px solid #e7dece;padding:20px 0 0;grid-template-columns:repeat(8,1fr);gap:3px}.trigram-key b{font-size:24px}.trigram-key em{display:block;margin:0 0 3px;font-size:10px}.mode-panel{padding-top:26px}.form-bottom>span{display:none}.form-bottom{justify-content:flex-end}.form-bottom>div{width:100%;justify-content:space-between}.primary{padding:12px 20px}.time-values>div{padding:12px 6px;text-align:center;font-size:10px}.time-values strong{font-size:23px}.coin-layout{grid-template-columns:1fr;gap:22px}.coin-lines{border-left:0;border-top:1px solid #e3d9c7;padding:14px 0 0}.coin-lines li{justify-content:space-between}.coins{justify-content:center;width:100%;gap:22px}.coin-actions{justify-content:center}.rule-grid{grid-template-columns:1fr;gap:23px}.rules{padding:32px 6px}.rule-grid h3{margin:8px 0}.rules h2{font-size:20px}footer{padding:20px;gap:12px;flex-wrap:wrap}.result{padding-bottom:22px}.result dl{grid-template-columns:70px 1fr;font-size:15px;gap:11px 6px}.result .meta-strip{font-size:14px;gap:15px}.result .section-title{gap:6px}.result-tools{gap:12px}.result-tools button{font-size:11px}.classics p{font-size:17px}.chart th:first-child,.chart td:first-child{padding-left:0}.gua-heading{font-size:19px}}
@media(max-width:760px){.result dl{grid-template-columns:80px 1fr}.result dt{white-space:nowrap}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}
@media print{body{background:white}.header,.intro,#cast,.rules,footer,.result-tools{display:none}main{padding:0;max-width:none}.paper{border:0;box-shadow:none;padding:0}.result{margin:0}.chart-wrap{overflow:visible}.chart{min-width:0}.result .section-title{break-after:avoid}.classics p,.chart tr{break-inside:avoid}}

/* 原文与白话逐段配对；低饱和金棕色保持对比度。 */
.classics .gua-position{display:inline-block;margin-left:24px;font-size:16px;color:#8a6840;font-weight:normal}
.classics .gua-summary{color:#53574c;margin:15px 0 20px}
.classics .verse-pair{margin:16px 0;break-inside:avoid}
.classics .verse-original{color:#34392f;margin:0}
.classics .verse-translation{color:#88651f;margin:3px 0 0;font-size:17px;line-height:1.9}
.classics .verse-translation span{font-size:13px;letter-spacing:1px;margin-right:5px}
.classics .changing-text .verse-original{color:var(--rust)}
@media(max-width:760px){.classics .gua-position{display:block;margin:8px 0 0;font-size:15px}.classics .verse-translation{font-size:16px}}