:root{
  --bg:#eef1f5; --panel:#ffffff; --ink:#1d2433; --muted:#5d6779; --line:#d8dde6;
  --accent:#1f4f9c; --accent2:#2e7dd7; --ok:#1d9a5b; --warn:#d9822b; --bad:#c9353f;
  --soft:#f5f7fa; --chip:#e7eefb;
  --nav-w:210px; --lesson-w:380px;
  font-family:"Microsoft JhengHei","PingFang TC","Noto Sans TC","Heiti TC",system-ui,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%;background:var(--bg);color:var(--ink);font-size:15px}
button{font-family:inherit}
header{height:50px;display:flex;align-items:center;gap:14px;padding:0 16px;background:#13294b;color:#fff}
header .logo{font-weight:800;letter-spacing:1px;font-style:italic;font-size:20px;color:#9cc3ff}
header h1{font-size:18px;margin:0;font-weight:600}
header .sp{flex:1}
header .hbtn{background:#24426f;border:1px solid #3a5f95;color:#fff;border-radius:6px;padding:5px 10px;cursor:pointer;font-size:13px}
header .hbtn:hover{background:#30558c}
#app{display:grid;grid-template-columns:var(--nav-w) 1fr var(--lesson-w);height:calc(100% - 50px)}
body.nav-collapsed{--nav-w:58px}
nav#nav{background:#1b2e4d;color:#cfdcf2;overflow-y:auto;padding:8px 0}
nav#nav .item{display:flex;align-items:center;gap:10px;padding:9px 14px;cursor:pointer;font-size:14px;border-left:4px solid transparent;white-space:nowrap}
nav#nav .item .ic{width:26px;height:26px;border-radius:50%;background:#2b4670;display:flex;align-items:center;justify-content:center;font-size:13px;flex:none;font-weight:700}
nav#nav .item:hover{background:#243c63}
nav#nav .item.active{background:#2a4a7c;border-left-color:#7fb3ff;color:#fff}
nav#nav .item.active .ic{background:#5b93e6;color:#fff}
nav#nav .item.done .ic{background:#1d9a5b;color:#fff}
body.nav-collapsed nav#nav .item .tx{display:none}
nav#nav .sec{font-size:11px;color:#7f93b5;padding:12px 16px 4px;letter-spacing:1px}
body.nav-collapsed nav#nav .sec{display:none}

main#main{position:relative;overflow:hidden;display:flex;flex-direction:column;min-width:0}
#bench{display:flex;flex-direction:column;height:100%;min-height:0}
#bench-top{flex:1;display:flex;gap:8px;padding:8px 8px 0;min-height:0}
#three-wrap{position:relative;flex:1;min-width:0;background:radial-gradient(ellipse at 50% 30%,#fdfdfd,#d5dbe4);border-radius:10px;overflow:hidden;border:1px solid var(--line)}
#three{width:100%;height:100%;display:block;touch-action:none}
#three-wrap .cam-btns{position:absolute;left:8px;right:8px;top:8px;display:flex;gap:4px;flex-wrap:wrap;z-index:3}
.cam-btns button{font-size:12px;padding:3px 8px;border-radius:5px;border:1px solid #b9c3d3;background:rgba(255,255,255,.85);cursor:pointer}
.cam-btns button:hover{background:#fff;border-color:var(--accent2)}
#tooltip{position:absolute;pointer-events:none;background:rgba(19,41,75,.92);color:#fff;padding:5px 9px;border-radius:6px;font-size:13px;display:none;max-width:240px;z-index:5}
#tooltip small{display:block;color:#bcd2f5;font-size:11.5px;margin-top:2px}
#three-wrap .hint3d{position:absolute;left:8px;right:8px;width:max-content;max-width:calc(100% - 16px);bottom:6px;font-size:11.5px;color:#56627a;background:rgba(255,255,255,.7);padding:2px 7px;border-radius:5px}
#gap-badge{position:absolute;right:8px;bottom:34px;font-size:12px;padding:4px 8px;border-radius:6px;background:rgba(255,255,255,.9);border:1px solid var(--line);max-width:calc(100% - 16px);z-index:2;pointer-events:none}
#gap-badge.danger{background:#ffe3e3;border-color:#e99;color:#a01}

#eye-wrap{position:relative;flex:none;width:400px;height:400px;align-self:center;background:#000;border-radius:10px;overflow:hidden;border:1px solid #333}
#eyeview{width:100%;height:100%;display:block;touch-action:none}
#eye-label{position:absolute;left:8px;top:6px;color:#aab6c8;font-size:12px;pointer-events:none}
#eye-meter{position:absolute;right:8px;top:6px;color:#aab6c8;font-size:11.5px;text-align:right;pointer-events:none;line-height:1.5}
#eye-meter .bar{display:inline-block;width:70px;height:7px;background:#333;border-radius:4px;vertical-align:middle;margin-left:4px;overflow:hidden}
#eye-meter .bar i{display:block;height:100%;background:#ffd257}
#eye-meter .bar.c i{background:#7fd0ff}
#eye-msg{position:absolute;left:50%;bottom:10px;transform:translateX(-50%);color:#ffd9a0;font-size:13px;text-align:center;pointer-events:none;width:90%;text-shadow:0 1px 2px #000}
#eye-wrap .eye-tools{position:absolute;left:8px;bottom:8px;display:flex;gap:4px}
#eye-wrap .eye-tools button{font-size:11px;padding:2px 6px;border-radius:4px;border:1px solid #555;background:rgba(40,40,40,.8);color:#ddd;cursor:pointer}

#controls{flex:none;display:flex;flex-wrap:wrap;gap:6px;padding:8px;justify-content:center}
.cgroup{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:6px 8px;display:flex;flex-direction:column;gap:4px;flex:none}
.cgroup h4{margin:0;font-size:12.5px;color:var(--accent);font-weight:700;display:flex;justify-content:space-between;gap:6px;align-items:center}
.cgroup h4 .val{color:var(--muted);font-weight:500;font-size:12px}
.crow{display:flex;gap:6px;align-items:center}
.ccol{display:flex;flex-direction:column;align-items:center;gap:2px;font-size:11.5px;color:var(--muted)}
.btn{border:1px solid #b9c3d3;background:#fff;border-radius:6px;padding:4px 9px;cursor:pointer;font-size:12.5px;color:var(--ink)}
.btn:hover{border-color:var(--accent2);background:#f3f8ff}
.btn.on{background:var(--accent2);color:#fff;border-color:var(--accent2)}
.btn.sm{padding:2px 6px;font-size:11.5px}
.btn.primary{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn.primary:hover{background:#2a62bd}
.btn:disabled{opacity:.45;cursor:not-allowed}
.objbtn{width:44px;padding:4px 0;font-weight:700;position:relative}
.objbtn::after{content:"";position:absolute;left:6px;right:6px;bottom:2px;height:3px;border-radius:2px;background:var(--rc)}
.power{width:46px;height:46px;border-radius:50%;font-size:20px;padding:0}
.power.on{background:#2fbf71;border-color:#2fbf71;color:#fff;box-shadow:0 0 10px #6fe3a3}
input[type=range]{accent-color:var(--accent2)}
.vrange{writing-mode:vertical-lr;direction:rtl;height:84px;width:22px}
select{font-family:inherit;font-size:12.5px;padding:3px;border-radius:6px;border:1px solid #b9c3d3}
.knob{touch-action:none;cursor:grab;user-select:none}
.knob:active{cursor:grabbing}
.readout{font-family:Consolas,monospace;font-size:11.5px;color:#334;background:var(--soft);border-radius:4px;padding:1px 5px}
.pad{display:grid;grid-template-columns:repeat(3,22px);grid-template-rows:repeat(3,22px);gap:2px}
.pad button{padding:0;font-size:11px;border-radius:4px;border:1px solid #b9c3d3;background:#fff;cursor:pointer}
.pad button:hover{background:#eaf2ff}

aside#lesson{background:var(--panel);border-left:1px solid var(--line);overflow-y:auto;padding:14px 18px 40px}
aside#lesson h2{font-size:20px;margin:2px 0 8px;color:var(--accent)}
aside#lesson h3{font-size:16px;margin:16px 0 6px;color:#24395e;border-left:4px solid var(--accent2);padding-left:8px}
aside#lesson p,aside#lesson li{line-height:1.65}
aside#lesson ul,aside#lesson ol{padding-left:22px;margin:6px 0}
.note{background:#fff8e6;border:1px solid #f1d9a0;border-radius:8px;padding:8px 10px;margin:8px 0;font-size:14px}
.tip{background:#eaf4ff;border:1px solid #bcd7f7;border-radius:8px;padding:8px 10px;margin:8px 0;font-size:14px}
.danger{background:#fff0f0;border:1px solid #f0b9b9;border-radius:8px;padding:8px 10px;margin:8px 0;font-size:14px}
table.t{border-collapse:collapse;width:100%;font-size:13.5px;margin:6px 0}
table.t th,table.t td{border:1px solid var(--line);padding:4px 6px;text-align:center}
table.t th{background:#eef3fb;color:#24395e}
table.t td.l{text-align:left}
.tasks{list-style:none;padding:0;margin:8px 0}
.tasks li{display:flex;gap:8px;align-items:flex-start;padding:6px 8px;border-radius:8px;margin:3px 0;background:var(--soft);font-size:14px;line-height:1.5}
.tasks li .ck{flex:none;width:22px;height:22px;border-radius:50%;border:2px solid #b5bfcf;display:flex;align-items:center;justify-content:center;font-size:13px;color:#fff;margin-top:1px}
.tasks li.cur{background:#eaf3ff;outline:2px solid #9cc4f5}
.tasks li.ok .ck{background:var(--ok);border-color:var(--ok)}
.tasks li.ok{color:#2c5a43}
.tasks li .sub{display:block;font-size:12.5px;color:var(--muted)}
.qa{border:1px solid var(--line);border-radius:8px;padding:8px 10px;margin:8px 0}
.qa .q{font-weight:600;margin-bottom:6px}
.qa label{display:block;padding:3px 6px;border-radius:6px;cursor:pointer;font-size:14px}
.qa label:hover{background:var(--soft)}
.qa .fb{margin-top:6px;font-size:13.5px}
.fb.ok{color:var(--ok)} .fb.bad{color:var(--bad)}
.form-row{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin:6px 0;font-size:14px}
.form-row input[type=number]{width:70px;padding:4px;border-radius:6px;border:1px solid #b9c3d3;font-size:14px}
.result{font-size:14px;padding:6px 10px;border-radius:8px;margin:6px 0}
.result.ok{background:#e6f7ee;color:#18673f;border:1px solid #a9dfc2}
.result.bad{background:#fdecec;color:#9b1f28;border:1px solid #f0b9b9}
.formula{font-family:"Cambria Math","Times New Roman",serif;background:#f6f8fc;border:1px dashed #b9c6dc;border-radius:8px;padding:8px;text-align:center;margin:8px 0;font-size:15px}
.kbd{font-family:Consolas,monospace;background:#eef1f6;border:1px solid #cdd4df;border-bottom-width:2px;border-radius:4px;padding:0 4px;font-size:12px}
.chip{display:inline-block;background:var(--chip);color:var(--accent);border-radius:10px;padding:1px 8px;font-size:12px;margin:1px}
.parts{display:grid;grid-template-columns:1fr 1fr;gap:5px;margin:8px 0}
.parts button{text-align:left;font-size:13px;padding:5px 8px;border-radius:7px;border:1px solid var(--line);background:#fafbfd;cursor:pointer}
.parts button:hover,.parts button.on{border-color:var(--accent2);background:#eaf3ff}
.partcard{background:#13294b;color:#e8f0ff;border-radius:10px;padding:10px 12px;margin:8px 0;font-size:14px;line-height:1.6}
.partcard b{color:#9cc3ff;font-size:16px}
.svgfig{width:100%;background:#fbfcfe;border:1px solid var(--line);border-radius:8px;margin:6px 0}

#scene-wrap{flex:1;display:flex;flex-direction:column;padding:8px;gap:8px;min-height:0}
#scene-wrap[hidden]{display:none}
#scene{flex:1;width:100%;min-height:0;background:#e9e4da;border-radius:10px;border:1px solid var(--line);touch-action:none;display:block}
#scene-bar{display:flex;gap:6px;flex-wrap:wrap;align-items:center}

#toast{position:fixed;left:50%;top:62px;transform:translateX(-50%);z-index:50;display:flex;flex-direction:column;gap:6px;align-items:center;pointer-events:none}
#toast .t{background:#13294b;color:#fff;padding:8px 14px;border-radius:8px;font-size:14px;box-shadow:0 4px 18px rgba(0,0,0,.25);max-width:560px;animation:tin .25s ease-out}
#toast .t.warn{background:#9a4b06}
#toast .t.bad{background:#a3202b}
#toast .t.ok{background:#16794a}
@keyframes tin{from{opacity:0;transform:translateY(-8px)}to{opacity:1}}
.modal-bg{position:fixed;inset:0;background:rgba(10,20,40,.55);z-index:60;display:flex;align-items:center;justify-content:center}
.modal{background:#fff;border-radius:12px;max-width:560px;width:92%;padding:18px 20px;box-shadow:0 10px 40px rgba(0,0,0,.35);max-height:86vh;overflow:auto}
.modal h3{margin:0 0 8px;color:var(--bad)}
.slidebox{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin:10px 0}
.slidebox .sl{border:1px solid var(--line);border-radius:8px;padding:8px;cursor:pointer;background:#fafbfd;font-size:13.5px}
.slidebox .sl:hover{border-color:var(--accent2);background:#eef6ff}
.slidebox .sl b{display:block;font-size:14px;margin-bottom:2px}
.slidebox .sl .glass{height:20px;border-radius:3px;background:linear-gradient(90deg,#f1f1f1 0 22%,#dbeefa 22% 100%);border:1px solid #c5d4e0;position:relative;margin-bottom:5px}
.slidebox .sl .glass i{position:absolute;left:52%;top:3px;width:12px;height:12px;border-radius:50%;transform:translateX(-50%)}

@media (max-width:1500px){:root{--lesson-w:330px}}
@media (max-width:1440px){:root{--nav-w:58px} nav#nav .item .tx, nav#nav .sec{display:none} body.nav-expanded{--nav-w:210px} body.nav-expanded nav#nav .item .tx{display:inline}}
@media (max-width:980px){
  #app{grid-template-columns:var(--nav-w) 1fr;grid-template-rows:auto auto}
  aside#lesson{grid-column:1/3;border-left:0;border-top:1px solid var(--line)}
  html,body{height:auto} #app{height:auto} main#main{height:92vh}
}
@media (max-width:700px){
  #bench-top{flex-direction:column} #eye-wrap{align-self:stretch} #three-wrap{min-height:300px}
}
#eye-label{max-width:calc(100% - 160px);line-height:1.35}
@media (max-height:820px){ #controls{zoom:0.84} #controls .cgroup{padding:4px 7px} }
@media (max-height:680px){ #controls{zoom:0.74} }

/* ===== 全螢幕模式 ===== */
body.fs-mode #three-wrap{position:fixed;inset:0;z-index:40;border-radius:0;border:0}
body.fs-mode{overflow:hidden}
#eye-wrap.inset{position:absolute!important;right:14px;top:60px;width:min(40vh,34vw)!important;height:min(40vh,34vw)!important;z-index:4;border:3px solid #23262c;box-shadow:0 6px 24px rgba(0,0,0,.35);border-radius:14px}
#eye-wrap.inset::before{content:"目鏡視野";position:absolute;left:50%;bottom:-24px;transform:translateX(-50%);font-size:12px;color:#334;background:rgba(255,255,255,.85);padding:1px 8px;border-radius:8px;z-index:2}
#eye-wrap.wiz-eye{outline:4px solid #ffd257;animation:eyeglow 1.4s ease-in-out infinite}
@keyframes eyeglow{50%{outline-color:#ff9f1a;box-shadow:0 0 24px #ffc04d}}
body.fs-mode #gap-badge{right:14px;bottom:34px;font-size:13px}
#fs-bar{position:absolute;top:8px;left:50%;transform:translateX(-50%);display:flex;gap:4px;z-index:5;background:rgba(19,41,75,.9);padding:5px 8px;border-radius:10px;box-shadow:0 4px 14px rgba(0,0,0,.25)}
#fs-bar button{font-size:13px;padding:4px 10px;border-radius:6px;border:1px solid #3a5f95;background:#24426f;color:#fff;cursor:pointer;font-family:inherit}
#fs-bar button:hover{background:#30558c}
#fs-bar button.on{background:#2e7dd7;border-color:#7fb3ff}
body.fs-mode .cam-btns{top:56px}
.cam-btns .wiz-start{background:#ffd257;border-color:#e0a91a;font-weight:700}

/* ===== 操作說明精靈 ===== */
#wiz{position:absolute;left:14px;bottom:14px;width:min(620px,calc(100% - 28px));z-index:6;background:rgba(255,255,255,.97);border-radius:16px;box-shadow:0 10px 36px rgba(10,30,60,.35);border:2px solid #8fc1f5;overflow:hidden;font-size:15px}
#wiz .wiz-prog{height:6px;background:#e3ebf6}
#wiz .wiz-prog i{display:block;height:100%;background:linear-gradient(90deg,#2e7dd7,#38c172);transition:width .4s}
#wiz .wiz-main{display:flex;gap:10px;padding:10px 14px 4px}
#wiz .wiz-mascot{flex:none;width:86px}
#wiz .wiz-mascot.bounce{animation:mbounce .6s ease}
@keyframes mbounce{30%{transform:translateY(-12px) rotate(-6deg)}60%{transform:translateY(0) rotate(4deg)}}
#wiz .mascot-svg .eyes{animation:blink 4s infinite;transform-origin:50% 51%}
@keyframes blink{0%,94%,100%{transform:scaleY(1)}97%{transform:scaleY(.1)}}
#wiz .wiz-content{flex:1;min-width:0}
#wiz .wiz-step{font-size:12px;color:#2e7dd7;font-weight:700;letter-spacing:1px}
#wiz .wiz-title{margin:2px 0 4px;font-size:18px;color:#13294b}
#wiz .wiz-text{line-height:1.6;color:#2b3446}
#wiz .wiz-hint{margin-top:6px;background:#eaf4ff;border:1px solid #bcd7f7;border-radius:8px;padding:5px 8px;font-size:13.5px}
#wiz .wiz-act{margin-top:6px;display:flex;gap:6px;flex-wrap:wrap}
#wiz .wiz-status{margin-top:6px;font-size:14px;min-height:20px}
#wiz .wiz-status .ok{color:#18794a;font-weight:700;font-size:16px}
#wiz .wiz-status .wait{color:#8a6d1f}
#wiz .wiz-btns{display:flex;gap:6px;align-items:center;padding:6px 14px 10px}
#wiz .btn.glow{animation:bglow 1s ease-in-out infinite}
@keyframes bglow{50%{box-shadow:0 0 0 4px rgba(56,193,114,.45)}}
@media (max-width:900px){#wiz .wiz-mascot{width:56px}#wiz .wiz-mascot svg{width:56px;height:56px}}
body.fs-mode #three-wrap .cam-btns{top:58px}
#eye-wrap.inset #eye-label{display:none}
#eye-wrap.inset #eye-meter{font-size:10.5px}
#eye-wrap.inset #eye-msg{bottom:38px;font-size:12px}
#fs-bar button{white-space:nowrap}
#fs-bar button:disabled{opacity:.4;cursor:not-allowed}

/* ===================== 手機版（body.m：橫向手機高度 ≤ 560 或寬度 ≤ 760） ===================== */
header h1 .t-short{display:none}
.m-only{display:none}
#rotate-hint,#drawer-mask{display:none}
body{touch-action:manipulation;-webkit-tap-highlight-color:transparent}
body.m{--hh:42px;overscroll-behavior:none}
html:has(body.m){height:100%}
body.m header{height:var(--hh);gap:6px;padding:0 6px;padding-left:max(6px,env(safe-area-inset-left));padding-right:max(6px,env(safe-area-inset-right))}
body.m header .logo{font-size:15px}
body.m header h1{font-size:15px;white-space:nowrap}
body.m header h1 .t-long{display:none}
body.m header h1 .t-short{display:inline}
body.m header .hbtn{padding:5px 8px;font-size:13px;white-space:nowrap}
body.m .m-only{display:inline-block}
body.m #btn-reset,body.m #btn-help{display:none}
body.m.lesson-open #btn-lesson,body.m.ctl-open #btn-ctl{background:#2e7dd7;border-color:#7fb3ff}
body.m #app{display:block;height:calc(100% - var(--hh));height:calc(100dvh - var(--hh))}
body.m main#main{height:100%}
/* 章節：左側抽屜 */
body.m nav#nav{position:fixed;left:0;top:var(--hh);bottom:0;width:236px;z-index:46;transform:translateX(-105%);transition:transform .22s;box-shadow:4px 0 18px rgba(0,0,0,.3);padding-left:env(safe-area-inset-left)}
body.m nav#nav .item .tx,body.m nav#nav .sec{display:inline-block}
body.m nav#nav .sec{display:block}
body.m.nav-open nav#nav{transform:none}
/* 說明與任務：右側抽屜 */
body.m aside#lesson{position:fixed;right:0;top:var(--hh);bottom:0;width:min(460px,88vw);z-index:46;transform:translateX(105%);transition:transform .22s;box-shadow:-4px 0 18px rgba(0,0,0,.3);padding:8px 14px 60px;padding-right:max(14px,env(safe-area-inset-right));border:0;font-size:14px}
body.m.lesson-open aside#lesson{transform:none}
body.m aside#lesson h2{font-size:17px}
.lesson-close{display:none}
body.m .lesson-close{display:flex;position:sticky;top:-8px;z-index:3;justify-content:space-between;align-items:center;background:#fff;margin:-8px -14px 6px;padding:6px 10px 6px 14px;border-bottom:1px solid var(--line);font-size:13px;color:var(--muted)}
/* 操作面板：底部抽屜 */
body.m #controls{position:fixed;left:0;right:0;bottom:0;z-index:44;max-height:62%;overflow:auto;background:rgba(233,237,243,.97);box-shadow:0 -4px 18px rgba(0,0,0,.25);transform:translateY(105%);transition:transform .22s;zoom:1;padding:6px;padding-bottom:max(6px,env(safe-area-inset-bottom));border-radius:14px 14px 0 0;justify-content:flex-start;gap:5px}
body.m.ctl-open #controls{transform:none}
body.m #controls .cgroup{padding:4px 6px}
body.m.nav-open #drawer-mask,body.m.lesson-open #drawer-mask{display:block;position:fixed;inset:var(--hh) 0 0 0;z-index:45;background:rgba(10,20,40,.35)}
/* 實驗台：3D 與目鏡視野左右並排 */
body.m #bench{height:100%}
body.m #bench-top{padding:4px;gap:4px;padding-left:max(4px,env(safe-area-inset-left));padding-right:max(4px,env(safe-area-inset-right))}
body.m #three-wrap{border-radius:8px}
body.m #three-wrap .cam-btns{top:4px;left:4px;gap:3px}
body.m .cam-btns button{font-size:11px;padding:3px 6px}
body.m .cam-btns .cb-extra{display:none}
body.m #three-wrap .hint3d{font-size:10px;bottom:3px;left:4px}
body.m #gap-badge{font-size:10.5px;bottom:22px;right:4px;padding:2px 6px}
body.m #eye-wrap{border-radius:8px}
body.m #eye-label{display:none}
body.m #eye-meter{font-size:10px;right:5px;top:4px}
body.m #eye-meter .bar{width:46px;height:6px}
body.m #eye-msg{font-size:11.5px;bottom:30px}
body.m #eye-wrap .eye-tools{left:5px;bottom:5px}
body.m #eye-wrap .eye-tools button{font-size:11px;padding:3px 7px}
.eye-touch-hint{display:none}
body.m .eye-touch-hint{display:block;position:absolute;right:6px;bottom:6px;font-size:10px;color:#9aa6b8;pointer-events:none}
body.m #tooltip{display:none!important}
/* 實驗場景（水埋玻片、染色） */
body.m #scene-wrap{padding:4px}
/* 提示與對話框 */
body.m #toast{top:calc(var(--hh) + 4px)}
body.m #toast .t{font-size:13px;padding:6px 12px;max-width:86vw}
body.m .modal{width:94%;max-height:90%;padding:12px 14px}
body.m .slidebox{grid-template-columns:repeat(3,1fr);gap:6px}
body.m .slidebox .sl{font-size:12px;padding:6px}
/* 全螢幕＋教學精靈（手機） */
body.m.fs-mode #three-wrap .cam-btns{display:none}
body.m #fs-bar{top:4px;max-width:calc(100% - 8px);overflow-x:auto;padding:3px 5px;gap:3px;-webkit-overflow-scrolling:touch;scrollbar-width:none}
body.m #fs-bar button{font-size:11.5px;padding:3px 7px}
body.m #eye-wrap.inset{top:40px;right:6px;width:min(44vh,30vw)!important;height:min(44vh,30vw)!important;border-width:2px;border-radius:10px}
body.m #eye-wrap.inset::before{display:none}
body.m.fs-mode #gap-badge{bottom:6px;right:6px}
body.m #wiz{left:6px;bottom:6px;width:min(470px,60vw);max-height:calc(100% - 46px);display:flex;flex-direction:column;border-radius:12px;font-size:13px}
body.m #wiz .wiz-main{padding:6px 10px 2px;gap:6px;overflow-y:auto;min-height:0}
body.m #wiz .wiz-mascot{width:44px}
body.m #wiz .wiz-mascot svg{width:44px;height:44px}
body.m #wiz .wiz-title{font-size:15px}
body.m #wiz .wiz-text{line-height:1.5}
body.m #wiz .wiz-hint{font-size:12px;padding:4px 6px}
body.m #wiz .wiz-btns{padding:4px 10px 6px;flex:none}
body.m #wiz .wiz-btns .btn{padding:4px 8px;font-size:12px}
/* 直式手機：提示橫放；若仍要直式則上下排列 */
@media (orientation:portrait){
  body.m:not(.portrait-ok) #rotate-hint{display:flex;position:fixed;inset:0;z-index:90;background:rgba(19,41,75,.96);color:#fff;align-items:center;justify-content:center;text-align:center;padding:24px}
  #rotate-hint .rh-box{max-width:320px}
  #rotate-hint .rh-ic{font-size:54px;margin-bottom:8px;animation:rh 1.8s ease-in-out infinite}
  #rotate-hint b{font-size:20px;display:block;margin-bottom:6px}
  #rotate-hint p{font-size:14px;color:#c9d7ee;line-height:1.6}
  @keyframes rh{0%,30%{transform:rotate(0)}60%,100%{transform:rotate(90deg)}}
  body.m #bench-top{flex-direction:column}
  body.m #eye-wrap{align-self:center}
  body.m #wiz{width:calc(100% - 12px);max-height:48%}
  body.m #eye-wrap.inset{width:min(34vw,26vh)!important;height:min(34vw,26vh)!important}
}
#eye-wrap.inset .eye-touch-hint{display:none}

/* 手機：選取零件後的操作條 */
#sel-pill{position:absolute;left:50%;transform:translateX(-50%);top:38px;z-index:6;display:flex;align-items:center;gap:6px;flex-wrap:wrap;justify-content:center;background:rgba(19,41,75,.94);color:#fff;border-radius:12px;padding:5px 8px;box-shadow:0 4px 16px rgba(0,0,0,.3);max-width:calc(100% - 12px);font-size:12.5px}
#sel-pill[hidden]{display:none}
#sel-pill .sp-name{font-weight:700;color:#ffd257;white-space:nowrap}
#sel-pill .sp-how{color:#cfdcf2;white-space:nowrap}
#sel-pill .btn{padding:7px 12px;font-size:13px;font-weight:700;touch-action:none;user-select:none;-webkit-user-select:none}
#sel-pill .sp-x{padding:7px 10px;background:#33476a;color:#fff;border-color:#4a6390}
body.fs-mode #sel-pill{top:46px}
body.m #sel-pill .sp-how{display:none}
@media (min-height:561px) and (min-width:761px){ #sel-pill .sp-how{display:inline} }
body.m #sel-pill{flex-wrap:nowrap;gap:4px;padding:4px 6px;top:34px}
body.m #sel-pill .sp-name{font-size:12px}
body.m #sel-pill .btn{padding:6px 9px;font-size:12px;white-space:nowrap}
body.m.fs-mode #sel-pill{top:40px}