:root{--ink:#172c48;--muted:#76849b;--blue:#2c60e9;--line:#e3e9f2}*{box-sizing:border-box}body{margin:0;background:#f5f7fb;color:var(--ink);font:13px/1.7 "Microsoft YaHei","PingFang SC",sans-serif}a{text-decoration:none;color:inherit}button,input,textarea,select{font:inherit}button{cursor:pointer;border:0}a,button,input,textarea,select{outline-offset:4px}[hidden]{display:none!important}h1,h2,h3,h4,p{margin:0}header{height:78px;display:flex;align-items:center;gap:32px;padding:0 34px;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:3}.brand{font-size:22px;font-weight:800;white-space:nowrap}nav{display:flex;gap:26px;margin-left:auto;align-items:center;font-size:12px}nav a{padding:25px 0}nav .active{color:var(--blue);border-bottom:3px solid var(--blue)}nav span{color:#98a3b4;font-size:11px}.layout{display:grid;grid-template-columns:220px minmax(0,1fr);min-height:calc(100vh - 78px)}.sidebar{padding:35px 20px;background:white;border-right:1px solid var(--line);display:flex;flex-direction:column}.sidebar>small{font-size:8px;letter-spacing:1.3px;color:#8b99ad}.sidebar h2{font-size:23px;margin-top:13px}.sidebar>p{color:var(--muted);font-size:11px}.sidebar h4{font-size:10px;font-weight:400;color:#92a0b3;margin:30px 10px 12px}.sidebar button,.sidebar>a{display:block;padding:12px 9px;background:none;text-align:left;color:#62718a;border-radius:7px;font-size:12px;margin-bottom:5px}.sidebar button.selected{background:#edf3ff;color:var(--blue);font-weight:600}.sidebar .sidebar-note{margin-top:auto;padding-top:70px;font-size:10px}main{padding:27px clamp(20px,3vw,50px);min-width:0}.breadcrumb{font-size:10px;color:#8491a6;margin-bottom:27px}.heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:26px}small{font-size:9px;letter-spacing:1.5px;color:var(--blue);font-weight:700}h1{font-size:clamp(25px,2.5vw,36px);line-height:1.5;letter-spacing:-1px;margin-top:7px}h1 span{color:var(--blue)}.heading p{color:var(--muted);font-size:12px;margin-top:7px}.badge{padding:6px 11px;border:1px solid #d9e3f3;border-radius:20px;font-size:10px;color:#7587a3;white-space:nowrap}.notice{background:#fff8e9;border:1px solid #f1e2c4;color:#967543;font-size:10px;border-radius:7px;padding:12px 15px;margin:20px 0}.overview{display:flex;justify-content:space-between;gap:22px;background:white;border:1px solid var(--line);border-radius:12px;padding:25px 27px;margin-bottom:24px}.overview h2{font-size:19px;margin:7px 0}.overview p{font-size:11px;color:var(--muted)}.tags{display:flex;gap:7px;flex-wrap:wrap;margin-top:16px}.tags span{background:#f0f4fa;color:#697d9a;padding:3px 8px;border-radius:4px;font-size:9px}.stats{display:flex;gap:30px;align-items:center;flex-shrink:0}.stats div{text-align:center;color:var(--muted);font-size:9px}.stats strong{display:block;font-size:21px;color:var(--ink);font-weight:600}.workspace{display:grid;grid-template-columns:minmax(0,1fr) 235px;gap:22px;align-items:start}.editor,.summary{background:white;border:1px solid var(--line);border-radius:11px;overflow:hidden}.tabs{display:grid;grid-template-columns:repeat(4,1fr);border-bottom:1px solid var(--line);background:#fcfdff}.tabs button{padding:18px 5px;font-size:10px;color:#8491a7;background:transparent;border-bottom:2px solid transparent}.tabs button[aria-current=step]{color:var(--blue);background:#f2f6ff;border-bottom-color:var(--blue);font-weight:700}.panel{padding:27px}.panel h2{font-size:19px;margin:7px 0}.panel>p{font-size:11px;color:var(--muted);margin-bottom:25px}.panel h3{font-size:13px;margin-top:27px}.panel ol{font-size:12px;line-height:2.7;color:#65748a;padding-left:23px}.resource{background:#f7f9fc;border:1px solid var(--line);border-radius:7px;padding:17px;margin:22px 0;font-size:12px;white-space:pre-line}.resource p{font-size:10px;color:var(--muted);margin-top:5px}.check{display:flex;gap:8px;align-items:flex-start;font-size:11px;margin-top:20px}.actions{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-top:30px;padding-top:23px;border-top:1px solid var(--line)}.actions>span{font-size:10px;color:#8b99ac}.primary,.outline{display:inline-block;padding:11px 17px;border-radius:7px;font-size:11px;font-weight:600}.primary{background:var(--blue);color:white}.outline{border:1px solid var(--line);background:white;color:var(--ink)}.summary{padding:23px 20px}.summary h3{font-size:16px;margin:7px 0 18px}.summary dt{font-size:10px;color:#8b98aa;margin-top:15px}.summary dd{font-size:11px;margin:3px 0 0;overflow-wrap:anywhere}hr{border:0;border-top:1px solid var(--line);margin:23px 0}.summary h4{font-size:12px}.summary ul{padding:0;list-style:none;margin:15px 0 24px}.summary li{font-size:11px;color:#8c99ac;margin:10px 0}.summary li.done{color:#2b967d}.save{width:100%;padding:10px;border-radius:6px;background:#edf3ff;color:var(--blue);border:1px solid #d9e4ff;font-size:11px}.summary p{font-size:10px;color:#92a0b3;margin-top:12px}.clear{font-size:10px;background:none;color:#8b98aa;padding:12px 0 0}.fields{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:20px 0}label{display:block;font-size:11px;color:#5c6e88}input:not([type=checkbox]):not([type=file]),select,textarea{display:block;width:100%;min-width:0;border:1px solid #dce4ef;background:#fdfdff;color:var(--ink);border-radius:6px;padding:11px;margin-top:7px}textarea{resize:vertical;line-height:1.8}input::placeholder,textarea::placeholder{color:#9da8b8;font-size:11px}.upload{padding:18px;border:1px dashed #c9d6e9;background:#fafcff;border-radius:8px;margin-top:20px}.upload input{display:block;margin:12px 0;max-width:100%}.upload span{font-size:10px;color:#8c99ad;overflow-wrap:anywhere}.panel p.hint{font-size:10px;margin:16px 0}.modes{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:24px}.modes>div{padding:13px;border:1px solid var(--line);border-radius:7px;background:#f7f9fb;color:#9aa5b5}.modes strong{display:block;font-size:11px}.modes span{font-size:9px}.modes .enabled{background:#f0f5ff;border-color:#cedefb;color:var(--blue)}.error{background:#fff3e8;color:#98652f}.success{background:#eef8f3;color:#28896e}.case-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.case-grid article{background:white;border:1px solid var(--line);border-radius:12px;padding:30px}.case-grid h2{font-size:20px;margin:16px 0}.case-grid p{color:var(--muted);margin-bottom:25px}footer{display:flex;justify-content:space-between;gap:15px;font-size:9px;color:#97a3b5;margin:35px 0 10px}#toast{display:none;position:fixed;bottom:25px;left:50%;transform:translateX(-50%);padding:13px 22px;background:#193859;color:white;border-radius:8px;z-index:10;max-width:90vw;font-size:12px}#toast.visible{display:block}@media(max-width:1200px){nav{gap:15px}header{gap:20px}.layout{grid-template-columns:185px minmax(0,1fr)}.overview{flex-direction:column}.stats{justify-content:flex-start;gap:40px}.workspace{grid-template-columns:minmax(0,1fr) 205px}.panel{padding:21px}}@media(max-width:950px){header{height:auto;min-height:70px;flex-wrap:wrap;padding:17px 20px}header>a:last-child{margin-left:auto}nav{order:3;width:100%;overflow:auto;white-space:nowrap}nav a{padding:6px 0}.layout{grid-template-columns:1fr}.sidebar{flex-direction:row;gap:10px;padding:10px 20px;border-bottom:1px solid var(--line)}.sidebar>small,.sidebar>h2,.sidebar>p,.sidebar>h4,.sidebar>a{display:none}.sidebar button{margin:0}.workspace{grid-template-columns:1fr}.summary{display:block}.heading{align-items:flex-start}.badge{white-space:normal}}@media(max-width:560px){main{padding:22px 15px}.heading{flex-direction:column}.overview{padding:20px}.overview h2{font-size:17px}.fields,.case-grid{grid-template-columns:1fr}.tabs{grid-template-columns:1fr 1fr}.tabs button{padding:12px 5px}.modes{grid-template-columns:1fr}.modes>div{display:flex;justify-content:space-between}.panel{padding:18px}.actions{flex-wrap:wrap}.actions>span{width:100%}.summary{display:block}footer{flex-direction:column}}
@media(min-width:561px) and (max-width:950px){.summary{display:block}}

/* Clear interaction states shared by the workshop modules. */
button, a { -webkit-tap-highlight-color: transparent; }
button { transition: transform .14s ease, box-shadow .14s ease, border-color .14s ease, background .14s ease; }
button:not(:disabled):active { transform: translateY(1px); }
.primary:hover { background: #1f51d6; box-shadow: 0 6px 16px rgba(44,96,233,.18); }
.outline:hover { border-color: #b8c8e1; background: #f8faff; }
.sidebar button:hover { background: #f6f8fc; color: var(--ink); }
.sidebar button.selected:hover { background: #e7efff; color: var(--blue); }
button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 3px solid rgba(44,96,233,.24);
  outline-offset: 2px;
}
button:disabled { cursor: not-allowed; opacity: .52; }
.is-planned { border-style: dashed; color: #687891; background: #f8fafc; }
.is-planned::before { content: "○ "; color: #9aa8ba; }
.is-planned:hover { border-color: #aebed4; background: #f2f5f9; color: #42536b; }

@media(max-width:950px) {
  .layout, main { min-width: 0; max-width: 100%; }
  .sidebar { max-width: 100vw; min-width: 0; overflow-x: auto; overscroll-behavior-x: contain; }
  .sidebar button { flex: 0 0 auto; white-space: nowrap; }
}

@media(max-width:560px) {
  body { overflow-x: hidden; }
  main { padding-left: 15px; padding-right: 15px; }
}

/* Workshop mobile menu: keep the control visible against the light header. */
@media (max-width: 900px) {
  body.workshop-page #site-navigation .global-toggle {
    min-width: 72px;
    min-height: 44px;
    padding: 9px 12px;
    border-color: #d5e2fa;
    background: #eef4ff;
    color: #25456f;
    font-size: 13px;
    font-weight: 600;
  }

  body.workshop-page #site-navigation .global-toggle:hover,
  body.workshop-page #site-navigation .global-toggle[aria-expanded="true"] {
    border-color: #b8cbed;
    background: #e3edff;
    color: #1f51d6;
  }
}

/* Use one icon slot for all workshop sidebar entries. */
.sidebar button[data-view], .sidebar button[data-factory-section] { display:flex; align-items:center; gap:10px; line-height:1.5; }
.sidebar .workshop-nav-icon { flex:0 0 18px; width:18px; text-align:center; line-height:1; }