:root{font-family:system-ui,-apple-system,"Noto Sans TC","Microsoft JhengHei",sans-serif;color:#172e43;background:#f5f7fb;font-size:16px;--blue:#123e68;--line:#dce4ed}*{box-sizing:border-box}body{margin:0}button,input,a{-webkit-tap-highlight-color:transparent}button,input{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer}a{color:var(--blue)}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #d18b1e;outline-offset:3px}header{height:90px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 max(5vw,24px);gap:16px}.brand{display:flex;gap:13px;align-items:center;text-decoration:none;font-weight:700;letter-spacing:.05em}.brand small{display:block;font-size:12px;color:#64788c;letter-spacing:.13em;margin-top:5px}.emblem{background:var(--blue);color:white;display:grid;place-items:center;width:46px;height:46px;border-radius:50%;font-size:23px}.download{border:1px solid #becddd;padding:12px 17px;text-decoration:none;border-radius:8px;font-size:14px;font-weight:650}.layout{max-width:1440px;margin:auto;display:grid;grid-template-columns:295px minmax(0,1fr);min-height:calc(100vh - 90px)}aside{padding:40px 26px 30px 36px;border-right:1px solid var(--line);background:#eef3f9}.edition{font-size:14px;font-weight:700;color:#325c85}.edition span{margin-left:8px;font-weight:400;color:#60758b;font-size:12px}h1{font-size:34px;line-height:1.45;letter-spacing:.035em;margin:18px 0 8px}.period{color:#e3a83d}.intro{color:#607187;font-size:14px;line-height:1.8;margin-bottom:36px}.side-label{font-size:12px;letter-spacing:.14em;color:#60758b;margin-bottom:12px}nav{display:grid;gap:5px}nav button{text-align:left;display:flex;justify-content:space-between;align-items:center;padding:13px 14px;border:0;background:transparent;border-radius:7px;color:#425d76;font-size:15px}nav button.active{background:var(--blue);color:white;font-weight:700}nav button:hover:not(.active){background:#e1e9f3}nav button span{font-size:12px;opacity:.8}.source{font-size:12px;line-height:2;color:#62758b;margin-top:36px;padding-top:22px;border-top:1px solid #d4dfeb}.source a{display:inline-block;margin-top:10px;font-size:14px}main{padding:40px 42px;min-width:0}.search-area>label{font-size:25px;font-weight:750;display:block;margin-bottom:17px}.searchbox{display:flex;align-items:center;gap:10px;background:#fff;border:2px solid #315b83;border-radius:10px;padding:3px 16px;box-shadow:0 5px 16px #143e6808}.searchbox>span{font-size:30px;color:#496b8a}.searchbox input{width:100%;height:54px;background:none;border:0;outline:0;color:#173a5a;min-width:0}.searchbox:focus-within{outline:3px solid #d7e4f1}.searchbox button{background:none;border:0;padding:10px;color:#48637c}.quick{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:14px;font-size:14px}.quick>span{color:#6a798b;margin-right:3px}.quick button{background:#e8eef6;border:0;border-radius:5px;padding:7px 12px;color:#385a7b;min-height:36px}.toolbar{display:flex;align-items:center;justify-content:space-between;margin:37px 0 20px;gap:12px}h2{font-size:22px;margin:0}.toolbar p{font-size:14px;color:#667b90;margin:7px 0 0}.jump{font-size:12px;color:#62758b;display:flex;align-items:center;gap:7px}.jump input{width:72px;border:1px solid #cbd7e5;border-radius:5px;padding:10px 6px;font-size:14px;background:#fff}.jump button{padding:10px;border:1px solid #cbd7e5;border-radius:5px;background:#fff;color:#355879;font-size:14px}#results{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}.card{border:1px solid var(--line);background:#fff;border-radius:9px;text-align:left;padding:20px 20px 17px;color:inherit;display:flex;flex-direction:column;min-height:154px;transition:border-color .15s,transform .15s}.card:hover{border-color:#6389ad;transform:translateY(-2px)}.card .meta{font-size:12px;color:#617b94;display:flex;justify-content:space-between;gap:8px}.card h3{font-size:17px;line-height:1.65;margin:13px 0 20px;font-weight:650}.card .bottom{margin-top:auto;display:flex;justify-content:space-between;font-size:13px;color:#476987}.card p{font-size:14px;line-height:1.8;color:#576b7e;margin:0 0 15px}.empty{grid-column:1/-1;padding:45px 20px;border:1px dashed #bacbdc;border-radius:10px;text-align:center;color:#5f7288;line-height:1.9}mark{background:#ffebac;color:inherit;border-radius:2px}footer{margin-top:35px;padding-top:23px;border-top:1px solid var(--line);font-size:14px;color:#526b83;line-height:2}footer small{font-size:12px;color:#708297}dialog{border:0;border-radius:12px;padding:0;max-width:850px;width:calc(100% - 32px);max-height:92dvh;color:#19364e;box-shadow:0 25px 90px #10284055}dialog::backdrop{background:#11283b99}.reader-head{display:flex;justify-content:space-between;align-items:start;padding:22px 25px;gap:14px}.reader-head small{color:#5b7590;font-size:12px}.reader-head h2{font-size:20px;margin-top:8px;line-height:1.5}.reader-head button{border:0;background:#edf2f7;border-radius:50%;width:42px;min-width:42px;height:42px}.reader-tools{display:flex;align-items:center;justify-content:space-between;padding:10px 22px;background:#edf3f9;font-size:14px}.reader-tools button{border:0;background:none;color:#244f75;min-height:40px}.reader-tools button:disabled{opacity:.3}.read-options{display:flex;gap:7px;align-items:center;padding:14px 22px;border-bottom:1px solid var(--line);font-size:14px;flex-wrap:wrap}.read-options button{background:white;color:#315776;border:1px solid #c5d4e3;border-radius:5px;padding:9px 12px}.read-options button[aria-pressed=true]{background:var(--blue);color:white;border-color:var(--blue)}.read-options a{margin-left:auto}.reader-body{padding:24px 28px 35px;min-height:200px;line-height:1.95}.reader-body pre{white-space:pre-wrap;overflow-wrap:anywhere;font:inherit;margin:0}.reader-body img{display:block;width:100%;height:auto}.reader-body .note{font-size:14px;color:#586f85;background:#f0f4f9;padding:12px;border-radius:6px;margin:0 0 18px}body:has(dialog[open]){overflow:hidden}@media(min-width:1600px){main{padding-top:48px}}@media(max-width:950px){.layout{grid-template-columns:240px minmax(0,1fr)}aside{padding:30px 20px}main{padding:30px 25px}h1{font-size:29px}.toolbar{align-items:start;flex-direction:column}.jump{align-self:flex-end}}@media(max-width:680px){header{height:77px;padding:0 17px}.brand{font-size:14px;gap:8px}.brand small{font-size:10px}.emblem{width:36px;height:36px;font-size:20px}.download{padding:10px;font-size:12px}.layout{display:block}aside{padding:22px 20px 15px;border-right:0;border-bottom:1px solid var(--line)}h1{font-size:27px;margin:8px 0}h1 br{display:none}.edition{font-size:12px}.intro{margin:4px 0 19px;font-size:13px}.side-label,.source{display:none}nav{display:flex;overflow-x:auto;gap:7px;padding-bottom:4px}nav button{white-space:nowrap;font-size:14px;background:#fff;padding:10px 13px;min-height:43px;border:1px solid #dce4ed}nav button span{display:none}main{padding:24px 18px}.search-area>label{font-size:21px}.searchbox{padding:0 12px}.searchbox input{height:53px;font-size:16px}.quick{gap:7px;font-size:12px}.quick>span{width:100%;margin-bottom:2px}.quick button{font-size:14px;min-height:39px}.toolbar{margin-top:29px;flex-direction:row;align-items:start;flex-wrap:wrap}.jump{margin-left:auto;align-self:center}.jump input{width:62px}#results{grid-template-columns:1fr;gap:10px}.card{min-height:128px;padding:17px 18px}.card h3{margin:10px 0 13px;font-size:17px}.card .bottom{font-size:13px}dialog{width:100%;max-width:none;height:100dvh;max-height:100dvh;margin:0;border-radius:0}.reader-head{padding:19px 18px}.reader-head h2{font-size:18px}.reader-body{padding:22px 18px}.reader-tools,.read-options{padding-left:15px;padding-right:15px}.read-options{font-size:13px}footer span{display:none}footer small{display:block;margin-top:5px}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}

/* Handbook self-service chat */
.help-launcher{position:fixed;right:24px;bottom:max(24px,env(safe-area-inset-bottom));z-index:20;display:flex;align-items:center;gap:10px;border:1px solid #fff5;border-radius:99px;background:var(--blue);color:#fff;padding:15px 21px;min-height:54px;box-shadow:0 6px 24px #123e6840;font-weight:700;font-size:16px}
.help-launcher:hover{background:#205580}footer{padding-bottom:80px}
#handbookHelp{position:fixed;inset:auto 24px 92px auto;margin:0;padding:0;width:min(460px,calc(100vw - 32px));height:min(720px,calc(100dvh - 120px));max-height:calc(100dvh - 120px);max-width:none;border:1px solid #cbd7e5;border-radius:16px;overflow:hidden;background:#f5f7fb}
#handbookHelp[open]{display:flex;flex-direction:column}#handbookHelp::backdrop{background:#11283b55}
.help-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 20px;background:var(--blue);color:white;flex-shrink:0}.help-head h2{font-size:20px;line-height:1.5}.help-head p{font-size:14px;margin:5px 0 0;color:#e1ecf7}.help-head button{border:1px solid #ffffff60;border-radius:8px;background:transparent;color:#fff;min-width:44px;min-height:44px}
.help-settings{display:flex;align-items:center;gap:10px;flex-wrap:wrap;background:#fff;border-bottom:1px solid var(--line);padding:10px 18px;font-size:14px;flex-shrink:0}.help-settings select{font:inherit;background:#f4f7fb;border:1px solid #b9cadb;border-radius:6px;color:#173a5a;padding:9px 26px 9px 8px;min-height:42px}.help-settings button{margin-left:auto;border:0;background:none;color:#315b83;min-height:44px;padding:7px;font-size:14px}
.help-messages{min-height:0;overflow-y:auto;overscroll-behavior:contain;flex:1;padding:20px 16px;scroll-behavior:auto}.help-message{max-width:100%;margin:0 0 20px;overflow-wrap:anywhere;line-height:1.8;font-size:16px}.help-message .help-speaker{font-size:13px;display:block;color:#536c85;margin-bottom:5px}.help-message-content{border:1px solid var(--line);border-radius:3px 14px 14px 14px;background:white;padding:14px 16px}.help-message p{margin:0 0 10px;white-space:pre-wrap}.help-message p:last-child{margin-bottom:0}.help-message h3{font-size:16px;line-height:1.65;margin:0 0 9px}.help-user{margin-left:34px}.help-user .help-speaker{text-align:right}.help-user .help-message-content{background:#e1edf8;border:1px solid #c8dced;border-radius:14px 3px 14px 14px;color:#173b5e}
.help-suggestions{display:flex;flex-wrap:wrap;gap:8px;margin-top:13px}.help-suggestions button,.help-source button{border:1px solid #b9cddd;border-radius:7px;background:#f2f7fc;color:#123e68;font-size:14px;padding:9px 11px;min-height:44px;line-height:1.5;text-align:left}.help-suggestions button:hover,.help-source button:hover{background:#e2edf8}.help-source{border-top:1px solid var(--line);padding-top:11px;margin-top:13px;font-size:14px}.help-source>strong{display:block;line-height:1.65;font-weight:600}.help-source blockquote{padding-left:10px;margin:10px 0;border-left:3px solid #b4cadd;line-height:1.85;white-space:pre-wrap;color:#4b637a}.help-source-actions{display:flex;align-items:center;flex-wrap:wrap;gap:13px;margin-top:9px}.help-source a{font-size:14px;min-height:44px;display:inline-flex;align-items:center}.help-source small{display:block;color:#596d80;line-height:1.7;font-size:14px;margin-top:7px}
.help-status{font-size:14px;color:#4b637a;line-height:1.5;margin:0;padding:0 18px 8px;flex-shrink:0}.help-status:empty{display:none}.help-form{background:#fff;border-top:1px solid var(--line);padding:13px 16px max(14px,env(safe-area-inset-bottom));flex-shrink:0}.help-form>label{font-size:14px;display:block;margin-bottom:7px;font-weight:600}.help-compose{display:flex;align-items:stretch;gap:8px}.help-compose textarea{font:inherit;resize:vertical;min-height:56px;max-height:110px;width:100%;min-width:0;line-height:1.5;padding:10px;border:1px solid #8ea9c3;border-radius:8px;color:#172e43}.help-compose button{border:0;border-radius:8px;min-width:60px;padding:10px;background:var(--blue);color:white;font-size:16px}.help-compose button:disabled{opacity:.5;cursor:wait}.help-form>p{font-size:12px;line-height:1.7;color:#597087;margin:8px 0 0}#handbookHelp :focus-visible{outline:3px solid #c48b22;outline-offset:2px}
@media(max-width:680px){.help-launcher{right:16px;bottom:max(16px,env(safe-area-inset-bottom));padding:13px 18px}#handbookHelp{inset:0;width:100%;height:100dvh;max-height:100dvh;border:0;border-radius:0}.help-head{padding:15px 17px}.help-messages{padding:17px 13px}.help-message-content{padding:13px}.help-form{padding-left:13px;padding-right:13px}.help-settings{padding:8px 14px}}
@media(max-height:540px){.help-head{padding-top:8px;padding-bottom:8px}.help-head p{display:none}.help-settings{padding-top:3px;padding-bottom:3px}.help-form{padding-top:7px}.help-form>p{display:none}#handbookHelp{bottom:0;height:100dvh;max-height:100dvh}}