/* =========================================================
ui-unit.css｜使用者介面設計 單元講義共用樣式（ui01～ui11）
概念：每一頁就是一個「Figma 工作區」——
深色工具列（檔名＋閱讀進度＋上下單元）、左側 Layers 圖層面板（章節導覽與已讀勾選）、
網點畫布上的一個個 Frame（章節），以及可以直接操作的介面元件。
色彩與字體沿用全站 site-agent.css：Tiffany Blue／Agent 紫／FigJam 桃紅。
只在 .uu-page 之下生效。
========================================================= */
.uu-page {
--ink: #16191C;
--ink-2: #46505A;
--ink-3: #8A939C;
--paper: #FFFFFF;
--canvas: #F1F4F5;
--line: #DDE5E7;
--line-2: #E9EEF0;
--brand: #0ABAB5;
--brand-strong: #067A76;
--brand-soft: #DFF6F4;
--agent: #6350C4;
--agent-strong: #4C3D9E;
--agent-soft: #EDE9FB;
--figjam: #EE4A85;
--figjam-soft: #FDF0F5;
--warn: #E4572E;
--warn-soft: #FDECE5;
--good: #1E9E6B;
--good-soft: #E5F6EE;
--amber: #D98F00;
--amber-soft: #FFF4D6;
--tool: #1E1F22; /* 工具列深色 */
--tool-2: #2C2E33;
--tool-line: #3A3D44;
--sel: #0ABAB5; /* 選取框顏色 */
--brand-grad: linear-gradient(135deg, #0ABAB5 0%, #067A76 100%);
--agent-grad: linear-gradient(135deg, #6350C4 0%, #4C3D9E 100%);
--figjam-grad: linear-gradient(135deg, #EE4A85 0%, #C93A6C 100%);
--ink-grad: linear-gradient(135deg, #1B1F22 0%, #101417 100%);
--f-display: "Chiron GoRound TC", "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
--f-body: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
--f-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
--ease: cubic-bezier(.16,.84,.44,1);
--r: 14px;
--hdr: 74px;
--bar: 48px;
color: var(--ink);
font-family: var(--f-body);
font-size: 16px;
line-height: 1.75;
background: var(--canvas);
overflow-x: clip;
}
.uu-page *, .uu-page *::before, .uu-page *::after { box-sizing: border-box; }
.uu-page h1, .uu-page h2, .uu-page h3, .uu-page h4 { font-family: var(--f-display); color: var(--ink); margin: 0; line-height: 1.3; }
.uu-page p { color: var(--ink-2); margin: 0 0 12px; }
.uu-page a { color: var(--brand-strong); text-decoration: none; }
.uu-page a:hover { color: var(--brand); }
.uu-page img { max-width: 100%; display: block; }
.uu-page section { padding: 0; background: transparent; overflow: visible; color: inherit; }
.uu-page ul, .uu-page ol { padding-left: 1.2em; margin: 0 0 12px; }
.uu-page li { margin: 3px 0; color: var(--ink-2); }
.uu-page code { font-family: var(--f-mono); font-size: .88em; background: var(--line-2); color: var(--agent-strong); padding: 1px 6px; border-radius: 5px; }
.uu-mono { font-family: var(--f-mono); letter-spacing: .08em; text-transform: uppercase; font-size: 11px; font-weight: 700; }
/* =========================================================
1. 工具列（深色，固定在 header 下方）
========================================================= */
.uu-bar { position: sticky; top: var(--hdr); z-index: 95; height: var(--bar); background: var(--tool); color: #E7E9EC; border-bottom: 1px solid #000; }
.uu-bar-in { height: 100%; max-width: 1480px; margin: 0 auto; padding: 0 14px; display: flex; align-items: center; gap: 12px; }
.uu-bar .tb-btn { display: inline-flex; align-items: center; gap: 7px; height: 32px; padding: 0 11px; border-radius: 7px; border: 0; background: transparent; color: #C9CDD3; font-size: 13px; font-weight: 600; cursor: pointer; white-space: nowrap; transition: background .15s, color .15s; text-decoration: none; }
.uu-bar .tb-btn:hover { background: var(--tool-2); color: #fff; }
.uu-bar .tb-btn i { font-size: 15px; }
.uu-bar .tb-layers { display: none; }
.uu-bar .file { display: flex; align-items: center; gap: 9px; min-width: 0; font-size: 13.5px; }
.uu-bar .file .logo { width: 26px; height: 26px; border-radius: 7px; display: grid; place-items: center; background: var(--brand-grad); color: #fff; font-size: 13px; flex: none; }
.uu-bar .file .path { color: #8C929B; white-space: nowrap; }
.uu-bar .file b { color: #fff; font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.uu-bar .file .ext { color: #8C929B; font-family: var(--f-mono); font-size: 12px; }
.uu-bar .sp { flex: 1; }
.uu-bar .prog { display: flex; align-items: center; gap: 9px; font: 600 12px/1 var(--f-mono); color: #A9AFB7; }
.uu-bar .prog .track { width: 120px; height: 6px; border-radius: 6px; background: var(--tool-line); overflow: hidden; }
.uu-bar .prog .track i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--brand), #6FE3DE); border-radius: 6px; transition: width .2s linear; }
.uu-bar .zoom { font: 600 12px/1 var(--f-mono); color: #A9AFB7; padding: 0 8px; border-left: 1px solid var(--tool-line); height: 20px; display: flex; align-items: center; }
.uu-bar .tb-nav { display: flex; gap: 4px; }
.uu-bar .tb-next { background: var(--brand); color: #fff; }
.uu-bar .tb-next:hover { background: var(--brand-strong); }
/* =========================================================
2. 工作區：左 Layers 面板＋畫布
========================================================= */
.uu-shell { max-width: 1480px; margin: 0 auto; display: grid; grid-template-columns: 264px minmax(0,1fr); align-items: start; }
.uu-layers { position: sticky; top: calc(var(--hdr) + var(--bar)); height: calc(100vh - var(--hdr) - var(--bar)); overflow-y: auto; background: var(--paper); border-right: 1px solid var(--line); padding: 14px 10px 20px; scrollbar-width: thin; }
.uu-layers .lh { display: flex; align-items: center; justify-content: space-between; padding: 2px 8px 10px; border-bottom: 1px solid var(--line-2); margin-bottom: 8px; }
.uu-layers .lh .uu-mono { color: var(--ink-3); }
.uu-layers .lh .count { font: 700 11px/1 var(--f-mono); color: var(--brand-strong); background: var(--brand-soft); padding: 4px 7px; border-radius: 6px; }
.uu-layers ol { list-style: none; margin: 0; padding: 0; }
.uu-layers li { margin: 0; }
.uu-layers a { position: relative; display: flex; align-items: center; gap: 9px; padding: 7px 9px; border-radius: 8px; color: var(--ink-2); font-size: 13.5px; line-height: 1.4; transition: background .15s, color .15s; }
.uu-layers a:hover { background: var(--canvas); color: var(--ink); }
.uu-layers a .ico { width: 18px; flex: none; text-align: center; color: var(--ink-3); font: 700 13px/1 var(--f-mono); }
.uu-layers a .nm { flex: 1; min-width: 0; }
.uu-layers a .ck { flex: none; width: 16px; height: 16px; border-radius: 50%; border: 1.5px solid var(--line); display: grid; place-items: center; font-size: 10px; color: transparent; transition: all .2s; }
.uu-layers a.is-read .ck { background: var(--good); border-color: var(--good); color: #fff; }
.uu-layers a.is-on { background: var(--brand-soft); color: var(--ink); font-weight: 700; }
.uu-layers a.is-on .ico { color: var(--brand-strong); }
.uu-layers a.is-on::before { content: ""; position: absolute; left: -10px; top: 6px; bottom: 6px; width: 3px; border-radius: 0 3px 3px 0; background: var(--brand); }
.uu-layers .sub a { padding-left: 34px; font-size: 12.5px; color: var(--ink-3); }
.uu-layers .lf { margin-top: 14px; padding: 12px 10px; border-radius: 12px; background: var(--canvas); font-size: 12.5px; color: var(--ink-2); }
.uu-layers .lf .ring { display: flex; align-items: center; gap: 10px; }
.uu-layers .lf svg { flex: none; }
.uu-layers .lf b { display: block; font: 900 15px/1.2 var(--f-mono); color: var(--ink); }
.uu-layers .lf button { margin-top: 10px; width: 100%; border: 1px dashed var(--line); background: var(--paper); border-radius: 8px; padding: 6px; font-size: 12px; color: var(--ink-3); cursor: pointer; }
.uu-layers .lf button:hover { color: var(--warn); border-color: var(--warn); }
.uu-canvas { min-width: 0; padding: 28px 34px 120px; background-color: var(--canvas); background-image: radial-gradient(#D5DDE0 1px, transparent 1.2px); background-size: 20px 20px; }
/* =========================================================
3. 封面 Hero
========================================================= */
.uu-hero { position: relative; display: grid; grid-template-columns: minmax(0,1.15fr) minmax(0,.85fr); gap: 34px; align-items: center; padding: 34px 36px; margin-bottom: 44px; border-radius: 22px; background: var(--tool); color: #fff; overflow: hidden; isolation: isolate; }
.uu-hero::before { content: ""; position: absolute; inset: 0; z-index: -1; background: radial-gradient(circle at 85% 20%, rgba(10,186,181,.45), transparent 42%), radial-gradient(circle at 10% 110%, rgba(99,80,196,.5), transparent 45%); }
.uu-hero::after { content: ""; position: absolute; inset: 0; z-index: -1; background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px); background-size: 32px 32px; mask-image: linear-gradient(180deg, #000, transparent 85%); }
.uu-hero .kick { display: inline-flex; align-items: center; gap: 8px; font: 700 11.5px/1 var(--f-mono); letter-spacing: .12em; text-transform: uppercase; color: #7FE6E2; padding: 7px 11px; border-radius: 30px; background: rgba(10,186,181,.14); border: 1px solid rgba(127,230,226,.25); }
.uu-hero .kick .dot { width: 7px; height: 7px; border-radius: 50%; background: #3DEBD3; box-shadow: 0 0 0 0 rgba(61,235,211,.6); animation: uuPulse 2s infinite; }
@keyframes uuPulse { 70% { box-shadow: 0 0 0 9px rgba(61,235,211,0); } 100% { box-shadow: 0 0 0 0 rgba(61,235,211,0); } }
.uu-hero h1 { color: #fff; font-size: clamp(30px, 4vw, 48px); font-weight: 900; line-height: 1.15; margin: 16px 0 12px; letter-spacing: -.01em; }
.uu-hero h1 em { font-style: normal; background: linear-gradient(90deg, #6FE3DE, #B6A8FF); -webkit-background-clip: text; background-clip: text; color: transparent; }
.uu-hero .lead { color: #BFC6CE; font-size: 15.5px; line-height: 1.8; max-width: 38em; }
.uu-hero .meta { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 0; }
.uu-hero .meta span { display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; color: #DDE2E7; padding: 6px 11px; border-radius: 8px; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.1); }
.uu-hero .meta i { color: #7FE6E2; }
.uu-hero .cta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.uu-btn { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 700; padding: 10px 16px; border-radius: 10px; border: 1.5px solid transparent; cursor: pointer; transition: transform .2s var(--ease), background .2s, box-shadow .2s, color .2s; text-decoration: none; font-family: var(--f-body); line-height: 1.2; }
.uu-btn:active { transform: scale(.97); }
.uu-btn.primary { background: var(--brand); color: #fff; box-shadow: 0 12px 26px -14px rgba(10,186,181,.9); }
.uu-btn.primary:hover { background: var(--brand-strong); color: #fff; transform: translateY(-2px); }
.uu-btn.ghost { background: rgba(255,255,255,.06); color: #fff; border-color: rgba(255,255,255,.22); }
.uu-btn.ghost:hover { background: rgba(255,255,255,.14); color: #fff; }
.uu-btn.line { background: var(--paper); color: var(--ink); border-color: var(--line); }
.uu-btn.line:hover { border-color: var(--brand); color: var(--brand-strong); }
.uu-btn.dark { background: var(--ink-grad); color: #fff; }
.uu-btn.dark:hover { color: #fff; transform: translateY(-2px); }
.uu-btn.sm { font-size: 12.5px; padding: 6px 11px; border-radius: 8px; }
/* Hero 右側：會自己動的手機原型 */
.uu-device { position: relative; justify-self: center; width: 250px; height: 500px; border-radius: 40px; background: #0B0C0E; padding: 12px; box-shadow: 0 40px 80px -30px rgba(0,0,0,.8), inset 0 0 0 2px #2E3036; }
.uu-device::before { content: ""; position: absolute; top: 20px; left: 50%; width: 76px; height: 22px; margin-left: -38px; border-radius: 20px; background: #0B0C0E; z-index: 3; }
.uu-device .scr { position: relative; height: 100%; border-radius: 30px; overflow: hidden; background: #F6F8F9; }
.uu-device .scr > div { position: absolute; inset: 0; padding: 48px 16px 16px; display: flex; flex-direction: column; gap: 10px; opacity: 0; transform: translateY(14px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.uu-device .scr > div.on { opacity: 1; transform: none; }
.uu-device .t { height: 12px; border-radius: 6px; background: #D7DEE2; }
.uu-device .t.w { width: 60%; height: 16px; background: var(--ink); }
.uu-device .card { border-radius: 14px; background: #fff; box-shadow: 0 8px 18px -12px rgba(0,0,0,.3); padding: 12px; display: flex; gap: 10px; align-items: center; }
.uu-device .av { width: 34px; height: 34px; border-radius: 10px; background: var(--brand-grad); flex: none; }
.uu-device .av.p { background: var(--agent-grad); }
.uu-device .av.k { background: var(--figjam-grad); }
.uu-device .ln { flex: 1; display: grid; gap: 6px; }
.uu-device .ln i { display: block; height: 7px; border-radius: 4px; background: #E3E8EB; }
.uu-device .ln i:first-child { width: 70%; background: #C5CDD2; }
.uu-device .hero-img { height: 130px; border-radius: 16px; background: linear-gradient(135deg, #7FE6E2, #6350C4); }
.uu-device .wf { border: 1.5px dashed #B9C3C8; background: repeating-linear-gradient(45deg, #EEF2F3 0 8px, #F8FAFA 8px 16px); border-radius: 12px; }
.uu-device .cta-b { margin-top: auto; height: 44px; border-radius: 12px; background: var(--brand); display: grid; place-items: center; color: #fff; font-size: 13px; font-weight: 700; }
.uu-device .tabbar { display: flex; justify-content: space-around; padding-top: 8px; border-top: 1px solid #E3E8EB; color: #9AA4AB; font-size: 15px; }
.uu-device .tabbar i:first-child { color: var(--brand); }
.uu-device-cap { position: absolute; right: -10px; bottom: 30px; z-index: 4; display: flex; align-items: center; gap: 8px; padding: 9px 12px; border-radius: 12px; background: rgba(255,255,255,.95); color: var(--ink); font-size: 12.5px; font-weight: 700; box-shadow: 0 16px 34px -16px rgba(0,0,0,.6); animation: uuBob 5s ease-in-out infinite; }
.uu-device-cap i { color: var(--agent); }
.uu-device-cap span { font-family: var(--f-mono); color: var(--brand-strong); }
@keyframes uuBob { 50% { transform: translateY(-8px); } }
/* =========================================================
4. Frame（每一個章節）
========================================================= */
.uu-frame { position: relative; margin: 0 0 56px; scroll-margin-top: calc(var(--hdr) + var(--bar) + 20px); }
.uu-frame-label { display: flex; align-items: center; gap: 8px; margin: 0 0 8px 2px; font: 600 12px/1 var(--f-mono); color: var(--ink-3); }
.uu-frame-label i { font-size: 13px; }
.uu-frame-label b { color: var(--ink-2); font-weight: 700; }
.uu-frame-body { position: relative; background: var(--paper); border: 1px solid var(--line); border-radius: 18px; padding: 30px 32px; box-shadow: 0 20px 40px -36px rgba(16,40,44,.45); transition: box-shadow .25s, border-color .25s; }
/* 選取框：滑入或捲到目前章節時出現（像在 Figma 裡選取一個 Frame） */
.uu-frame-body::after { content: ""; position: absolute; inset: -1px; border-radius: 18px; border: 1.5px solid var(--sel); opacity: 0; pointer-events: none; transition: opacity .2s; }
.uu-frame .hdl { position: absolute; width: 9px; height: 9px; background: #fff; border: 1.5px solid var(--sel); border-radius: 2px; opacity: 0; transition: opacity .2s; z-index: 2; pointer-events: none; }
.uu-frame .hdl.a { left: -5px; top: -5px; } .uu-frame .hdl.b { right: -5px; top: -5px; } .uu-frame .hdl.c { left: -5px; bottom: -5px; } .uu-frame .hdl.d { right: -5px; bottom: -5px; }
.uu-frame .dim { position: absolute; left: 50%; bottom: -12px; transform: translateX(-50%); z-index: 2; padding: 3px 8px; border-radius: 5px; background: var(--sel); color: #fff; font: 700 10.5px/1.2 var(--f-mono); opacity: 0; transition: opacity .2s; pointer-events: none; white-space: nowrap; }
.uu-frame:hover .uu-frame-body::after, .uu-frame.is-on .uu-frame-body::after,
.uu-frame:hover .hdl, .uu-frame.is-on .hdl, .uu-frame:hover .dim, .uu-frame.is-on .dim { opacity: 1; }
.uu-frame.is-on .uu-frame-label { color: var(--brand-strong); }
.uu-fh { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px 24px; flex-wrap: wrap; margin-bottom: 20px; padding-bottom: 16px; border-bottom: 1px solid var(--line-2); }
.uu-fh .no { display: inline-grid; place-items: center; min-width: 40px; height: 30px; padding: 0 9px; border-radius: 9px; background: var(--ink); color: #fff; font: 900 13px/1 var(--f-mono); margin-bottom: 10px; }
.uu-fh h2 { font-size: clamp(22px, 2.6vw, 30px); font-weight: 900; }
.uu-fh p { margin: 8px 0 0; max-width: 46em; font-size: 15px; }
.uu-fh .tags { display: flex; flex-wrap: wrap; gap: 6px; }
.uu-page .uu-h3 { display: flex; align-items: center; gap: 9px; font-size: 18px; font-weight: 900; margin: 28px 0 12px; }
.uu-page .uu-h3:first-child { margin-top: 0; }
.uu-h3 i { color: var(--brand-strong); font-size: 18px; }
.uu-page .uu-sub { font-size: 14px; color: var(--ink-3); margin: -6px 0 14px; }
/* 標籤 */
.uu-tag { display: inline-flex; align-items: center; gap: 5px; font: 700 10.5px/1 var(--f-mono); letter-spacing: .05em; padding: 5px 9px; border-radius: 20px; background: var(--line-2); color: var(--ink-2); white-space: nowrap; }
.uu-tag.b { background: var(--brand-soft); color: var(--brand-strong); }
.uu-tag.a { background: var(--agent-soft); color: var(--agent); }
.uu-tag.f { background: var(--figjam-soft); color: #C93A6C; }
.uu-tag.w { background: var(--warn-soft); color: var(--warn); }
.uu-tag.g { background: var(--good-soft); color: var(--good); }
/* =========================================================
5. 通用元件
========================================================= */
.uu-grid { display: grid; gap: 16px; }
.uu-grid.c2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.uu-grid.c3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.uu-grid.c4 { grid-template-columns: repeat(4, minmax(0,1fr)); }
.uu-card { position: relative; background: var(--paper); border: 1px solid var(--line); border-radius: var(--r); padding: 18px 20px; transition: border-color .2s, transform .25s var(--ease), box-shadow .25s; }
.uu-card.soft { background: var(--canvas); border-color: transparent; }
.uu-card.hov:hover { border-color: var(--brand); transform: translateY(-3px); box-shadow: 0 22px 36px -28px rgba(6,122,118,.7); }
.uu-card h4 { font-size: 16px; font-weight: 900; margin: 0 0 6px; display: flex; align-items: center; gap: 8px; }
.uu-card h4 i { color: var(--brand-strong); }
.uu-card p { font-size: 14px; line-height: 1.75; margin: 0; }
.uu-card .num { font: 900 13px/1 var(--f-mono); color: var(--brand-strong); margin-bottom: 8px; display: block; }
/* 說明框 */
.uu-note { display: flex; gap: 12px; align-items: flex-start; padding: 14px 16px; border-radius: 12px; background: var(--brand-soft); color: var(--ink); font-size: 14px; line-height: 1.75; margin: 14px 0; }
.uu-note > i { color: var(--brand-strong); font-size: 18px; margin-top: 1px; }
.uu-note.a { background: var(--agent-soft); } .uu-note.a > i { color: var(--agent); }
.uu-note.w { background: var(--warn-soft); } .uu-note.w > i { color: var(--warn); }
.uu-note p { margin: 0; color: var(--ink); }
/* 分段切換（segmented control） */
.uu-seg { display: inline-flex; padding: 4px; gap: 2px; border-radius: 12px; background: var(--canvas); border: 1px solid var(--line); flex-wrap: wrap; }
.uu-seg button { border: 0; background: none; padding: 8px 15px; border-radius: 9px; font-size: 13.5px; font-weight: 700; color: var(--ink-2); cursor: pointer; display: inline-flex; align-items: center; gap: 7px; transition: background .2s, color .2s, box-shadow .2s; font-family: var(--f-body); }
.uu-seg button:hover { color: var(--ink); }
.uu-seg button.is-on { background: var(--paper); color: var(--ink); box-shadow: 0 2px 8px -3px rgba(0,0,0,.18); }
.uu-seg button.is-on i { color: var(--brand-strong); }
.uu-seg.dark { background: var(--tool); border-color: var(--tool); }
.uu-seg.dark button { color: #A9AFB7; }
.uu-seg.dark button.is-on { background: var(--brand); color: #fff; }
.uu-seg.dark button.is-on i { color: #fff; }
/* 分頁籤 */
.uu-tabs { display: flex; gap: 4px; flex-wrap: wrap; border-bottom: 1px solid var(--line); margin-bottom: 18px; }
.uu-tabs button { position: relative; border: 0; background: none; padding: 10px 14px 12px; font-size: 14px; font-weight: 700; color: var(--ink-3); cursor: pointer; display: inline-flex; align-items: center; gap: 7px; font-family: var(--f-body); }
.uu-tabs button::after { content: ""; position: absolute; left: 10px; right: 10px; bottom: -1px; height: 3px; border-radius: 3px 3px 0 0; background: var(--brand); transform: scaleX(0); transition: transform .3s var(--ease); }
.uu-tabs button:hover { color: var(--ink); }
.uu-tabs button.is-on { color: var(--ink); }
.uu-tabs button.is-on::after { transform: scaleX(1); }
.uu-tabs button .n { font: 700 11px/1 var(--f-mono); color: var(--ink-3); }
[data-uu-panel] { animation: uuIn .35s var(--ease); }
[data-uu-panel][hidden] { display: none !important; }
@keyframes uuIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
/* 步驟流程（stepper）：點節點看說明 */
.uu-flow { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 14px; counter-reset: fl; }
.uu-flow button { position: relative; display: inline-flex; align-items: center; gap: 8px; padding: 9px 14px 9px 10px; border-radius: 30px; border: 1.5px solid var(--line); background: var(--paper); font-size: 13.5px; font-weight: 700; color: var(--ink-2); cursor: pointer; transition: all .2s var(--ease); font-family: var(--f-body); }
.uu-flow button .k { width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center; background: var(--line-2); color: var(--ink-2); font: 900 11.5px/1 var(--f-mono); transition: all .2s; }
.uu-flow button:hover { border-color: var(--brand); color: var(--ink); }
.uu-flow button.is-done { border-color: #BFE8E5; }
.uu-flow button.is-done .k { background: var(--brand-soft); color: var(--brand-strong); }
.uu-flow button.is-on { background: var(--ink); border-color: var(--ink); color: #fff; transform: translateY(-2px); box-shadow: 0 12px 22px -14px rgba(0,0,0,.6); }
.uu-flow button.is-on .k { background: var(--brand); color: #fff; }
.uu-flow .arr { color: var(--ink-3); font-size: 14px; }
.uu-flow-panel { display: grid; grid-template-columns: auto minmax(0,1fr); gap: 16px; align-items: start; padding: 18px 20px; border-radius: 14px; background: var(--canvas); border: 1px solid var(--line-2); min-height: 92px; }
.uu-flow-panel .big { font: 900 34px/1 var(--f-mono); color: var(--brand); }
.uu-flow-panel h4 { font-size: 17px; font-weight: 900; margin: 2px 0 6px; }
.uu-flow-panel p { margin: 0; font-size: 14.5px; }
.uu-flow-ctl { display: flex; gap: 6px; margin: 10px 0 6px; }
/* 時間軸條（點色塊看內容） */
.uu-timebar { display: flex; height: 58px; border-radius: 14px; overflow: hidden; margin-bottom: 14px; box-shadow: inset 0 0 0 1px rgba(0,0,0,.04); }
.uu-timebar button { position: relative; border: 0; color: #fff; cursor: pointer; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; padding: 0 16px; text-align: left; font-family: var(--f-body); transition: filter .2s, flex-grow .4s var(--ease); min-width: 0; }
.uu-timebar button b { font: 900 17px/1.1 var(--f-mono); }
.uu-timebar button span { font-size: 12px; opacity: .9; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 100%; }
.uu-timebar button:nth-child(1) { background: var(--brand-grad); }
.uu-timebar button:nth-child(2) { background: var(--agent-grad); }
.uu-timebar button:nth-child(3) { background: var(--figjam-grad); }
.uu-timebar button:nth-child(4) { background: var(--ink-grad); }
.uu-timebar button:not(.is-on) { filter: saturate(.55) brightness(1.08); }
.uu-timebar button.is-on::after { content: ""; position: absolute; left: 50%; bottom: 0; border: 7px solid transparent; border-bottom-color: #fff; transform: translateX(-50%); }
/* 資訊表（鍵值） */
.uu-kv { display: grid; grid-template-columns: 140px minmax(0,1fr); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
.uu-kv > div { padding: 14px 16px; border-top: 1px solid var(--line-2); font-size: 14.5px; color: var(--ink-2); }
.uu-kv > div:nth-child(-n+2) { border-top: 0; }
.uu-kv > div:nth-child(odd) { background: var(--canvas); font-weight: 700; color: var(--ink); font-size: 13.5px; }
.uu-kv ol { margin: 0; }
/* 目標卡（可勾選） */
.uu-goals { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 12px; }
.uu-goal { display: flex; flex-direction: column; gap: 6px; padding: 16px 18px; border-radius: 14px; border: 1px solid var(--line); background: var(--paper); position: relative; overflow: hidden; }
.uu-goal::before { content: ""; position: absolute; left: 0; top: 0; right: 0; height: 4px; background: var(--brand-grad); }
.uu-goal:nth-child(2)::before { background: var(--agent-grad); }
.uu-goal:nth-child(3)::before { background: var(--figjam-grad); }
.uu-goal .k { font: 900 12px/1 var(--f-mono); color: var(--ink-3); }
.uu-goal b { font-size: 16px; font-family: var(--f-display); }
.uu-goal span { font-size: 13.5px; color: var(--ink-2); line-height: 1.7; }
/* 圖片（可放大） */
.uu-fig { margin: 16px 0; }
.uu-fig a { display: block; border-radius: 14px; overflow: hidden; border: 1px solid var(--line); background: var(--canvas); position: relative; }
.uu-fig a::after { content: "\F62C"; font-family: "bootstrap-icons"; position: absolute; right: 10px; top: 10px; width: 32px; height: 32px; border-radius: 8px; background: rgba(22,25,28,.7); color: #fff; display: grid; place-items: center; font-size: 14px; opacity: 0; transition: opacity .2s; }
.uu-fig a:hover::after { opacity: 1; }
.uu-fig img { width: 100%; transition: transform .5s var(--ease); }
.uu-fig a:hover img { transform: scale(1.015); }
.uu-fig figcaption { margin-top: 8px; font-size: 12.5px; color: var(--ink-3); display: flex; align-items: center; gap: 6px; }
.uu-fig figcaption::before { content: ""; width: 14px; height: 1.5px; background: var(--ink-3); }
/* 參考連結 */
.uu-page .uu-refs { display: grid; gap: 8px; margin: 0; padding: 0; list-style: none; }
.uu-refs a { display: flex; align-items: center; gap: 10px; padding: 10px 14px; border-radius: 10px; background: var(--canvas); color: var(--ink); font-size: 14px; font-weight: 600; transition: background .2s, transform .2s var(--ease); }
.uu-refs a:hover { background: var(--brand-soft); color: var(--ink); transform: translateX(3px); }
.uu-refs a > i:first-child { color: var(--brand-strong); width: 18px; text-align: center; flex: none; }
.uu-refs a span { flex: 1; min-width: 0; }
.uu-refs a .bi-arrow-up-right { color: var(--ink-3); font-size: 12px; }
details.uu-more { margin-top: 18px; border-radius: 12px; border: 1px dashed var(--line); padding: 2px 14px; }
details.uu-more summary { cursor: pointer; padding: 10px 0; font-size: 14px; font-weight: 700; color: var(--ink-2); list-style: none; display: flex; align-items: center; gap: 8px; }
details.uu-more summary::-webkit-details-marker { display: none; }
details.uu-more summary::before { content: "\F285"; font-family: "bootstrap-icons"; transition: transform .2s; color: var(--brand-strong); }
details.uu-more[open] summary::before { transform: rotate(90deg); }
details.uu-more > *:last-child { margin-bottom: 12px; }
/* Prompt 區塊（複製＋可替換變數） */
.uu-prompt { position: relative; margin: 10px 0; border-radius: 14px; background: var(--tool); color: #E6E8EB; overflow: hidden; }
.uu-prompt-head { display: flex; align-items: center; gap: 8px; padding: 9px 12px 9px 14px; background: var(--tool-2); border-bottom: 1px solid var(--tool-line); font: 600 12px/1 var(--f-mono); color: #A9AFB7; }
.uu-prompt-head .dots { display: flex; gap: 5px; margin-right: 4px; }
.uu-prompt-head .dots i { width: 9px; height: 9px; border-radius: 50%; background: #FF5F57; }
.uu-prompt-head .dots i:nth-child(2) { background: #FEBC2E; } .uu-prompt-head .dots i:nth-child(3) { background: #28C840; }
.uu-prompt-head .sp { flex: 1; }
.uu-copy { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--tool-line); background: transparent; color: #DDE1E5; padding: 5px 10px; border-radius: 7px; font: 600 12px/1 var(--f-body); cursor: pointer; transition: background .2s, color .2s, border-color .2s; }
.uu-copy:hover { background: #3A3D44; }
.uu-copy.is-done { background: var(--good); border-color: var(--good); color: #fff; }
.uu-prompt pre { margin: 0; padding: 16px 18px; white-space: pre-wrap; word-break: break-word; font: 400 13.5px/1.8 var(--f-body); color: #E6E8EB; background: transparent; border: 0; }
.uu-prompt pre mark { background: rgba(10,186,181,.25); color: #7FF2EC; padding: 1px 4px; border-radius: 4px; font-weight: 700; }
.uu-var { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; padding: 10px 14px; background: #24262A; border-top: 1px solid var(--tool-line); font-size: 12.5px; color: #A9AFB7; }
.uu-var input { flex: 1; min-width: 160px; height: 34px; border-radius: 8px; border: 1px solid var(--tool-line); background: #1A1B1E; color: #fff; padding: 0 11px; font-size: 13.5px; font-family: var(--f-body); outline: none; }
.uu-var input:focus { border-color: var(--brand); }
/* 對照（before / after）切換卡 */
.uu-vs { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 0; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
.uu-vs > div { padding: 16px 18px; font-size: 14px; line-height: 1.75; color: var(--ink-2); }
.uu-vs .bad { background: #FFF6F3; border-right: 1px solid var(--line); }
.uu-vs .good { background: #F2FBF8; }
.uu-vs .lab { display: inline-flex; align-items: center; gap: 6px; font: 700 11px/1 var(--f-mono); letter-spacing: .06em; padding: 5px 9px; border-radius: 20px; margin-bottom: 10px; }
.uu-vs .bad .lab { background: var(--warn-soft); color: var(--warn); }
.uu-vs .good .lab { background: var(--good-soft); color: var(--good); }
.uu-vs .why { grid-column: 1 / -1; background: var(--tool); color: #CDD3D9; border-top: 1px solid var(--line); }
.uu-vs .why .lab { background: rgba(255,255,255,.08); color: #7FE6E2; }
.uu-vs ul { margin: 0; }
.uu-vs .why li, .uu-vs .why p { color: #CDD3D9; }
.uu-vs a { font-weight: 600; }
.uu-vs .why a { color: #7FE6E2; }
.uu-hl-bad { background: #FFE1D6; color: #B4361A; padding: 1px 5px; border-radius: 4px; font-weight: 700; }
.uu-hl-good { background: #CFF2E3; color: #0F7A52; padding: 1px 5px; border-radius: 4px; font-weight: 700; }
/* =========================================================
6. 互動模擬器（實驗室）
========================================================= */
.uu-lab { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 16px; }
.uu-sim { border: 1px solid var(--line); border-radius: 16px; overflow: hidden; background: var(--paper); display: flex; flex-direction: column; }
.uu-sim-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 12px 16px; border-bottom: 1px solid var(--line-2); }
.uu-sim-head h4 { font-size: 15px; font-weight: 900; display: flex; align-items: center; gap: 8px; }
.uu-sim-head h4 i { color: var(--agent); }
.uu-verdict { font: 700 11.5px/1 var(--f-mono); padding: 6px 10px; border-radius: 20px; background: var(--warn-soft); color: var(--warn); transition: background .2s, color .2s; white-space: nowrap; }
.uu-verdict.ok { background: var(--good-soft); color: var(--good); }
.uu-stage { position: relative; flex: 1; min-height: 190px; display: grid; place-items: center; padding: 22px; background-color: #FAFBFB; background-image: radial-gradient(#E1E7EA 1px, transparent 1.2px); background-size: 14px 14px; overflow: hidden; }
.uu-ctl { padding: 12px 16px 14px; border-top: 1px solid var(--line-2); display: grid; gap: 10px; }
.uu-ctl label { display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--ink-2); font-weight: 600; margin: 0; }
.uu-ctl label > span:first-child { min-width: 66px; }
.uu-ctl output { font: 700 13px/1 var(--f-mono); color: var(--ink); min-width: 62px; text-align: right; }
.uu-range { flex: 1; -webkit-appearance: none; appearance: none; height: 6px; border-radius: 6px; background: var(--line); outline: none; }
.uu-range::-webkit-slider-thumb { -webkit-appearance: none; width: 20px; height: 20px; border-radius: 50%; background: #fff; border: 2px solid var(--brand); box-shadow: 0 2px 6px rgba(0,0,0,.2); cursor: pointer; }
.uu-range::-moz-range-thumb { width: 18px; height: 18px; border-radius: 50%; background: #fff; border: 2px solid var(--brand); cursor: pointer; }
.uu-swatches { display: flex; flex-wrap: wrap; gap: 6px; }
.uu-swatches button { width: 28px; height: 28px; border-radius: 8px; border: 2px solid #fff; box-shadow: 0 0 0 1px var(--line); cursor: pointer; transition: transform .15s; }
.uu-swatches button.is-on { box-shadow: 0 0 0 2px var(--ink); transform: scale(1.08); }
.uu-sim .hint { font-size: 12px; color: var(--ink-3); margin: 0; }
/* 觸控熱區 */
.sim-tap .finger { position: absolute; width: 46px; height: 46px; border-radius: 50%; background: rgba(238,74,133,.18); border: 2px dashed rgba(238,74,133,.6); pointer-events: none; }
.sim-tap .tbtn { position: relative; border-radius: 10px; background: var(--brand); display: grid; place-items: center; color: #fff; transition: width .2s, height .2s; }
.sim-tap .tbtn::after { content: ""; position: absolute; inset: calc(var(--slop, 0px) * -1); border: 1.5px dashed var(--agent); border-radius: 12px; opacity: var(--slop-on, 0); transition: inset .2s, opacity .2s; }
.sim-tap .ruler { position: absolute; left: 12px; bottom: 10px; font: 700 11px/1 var(--f-mono); color: var(--ink-3); }
/* 對比 */
.sim-contrast .sample { width: 100%; max-width: 300px; border-radius: 14px; background: #fff; box-shadow: 0 12px 26px -18px rgba(0,0,0,.4); padding: 16px 18px; }
.sim-contrast .sample b { display: block; font-size: 18px; margin-bottom: 4px; font-family: var(--f-display); }
.sim-contrast .sample span { font-size: 14px; line-height: 1.6; display: block; }
.sim-contrast .cr-ratio { position: absolute; right: 14px; top: 12px; font: 900 22px/1 var(--f-mono); color: var(--ink); }
/* 字級 */
.sim-type .phone { width: 210px; border-radius: 24px; border: 6px solid var(--ink); background: #fff; padding: 16px 14px; min-height: 160px; }
.sim-type .phone b { display: block; font-family: var(--f-display); margin-bottom: 6px; color: var(--ink); }
.sim-type .phone p { margin: 0; color: var(--ink-2); transition: font-size .15s, line-height .15s; }
/* 8px 網格 */
.sim-grid .mock { position: relative; width: 240px; border-radius: 16px; background: #fff; box-shadow: 0 12px 26px -18px rgba(0,0,0,.4); padding: var(--pad, 16px); display: grid; gap: var(--gap, 8px); transition: padding .2s, gap .2s; }
.sim-grid .mock i { display: block; height: 16px; border-radius: 6px; background: #E3E8EB; }
.sim-grid .mock i.t { height: 22px; width: 70%; background: var(--ink); }
.sim-grid .mock i.btn { height: 40px; background: var(--brand); }
.sim-grid .mock::after { content: ""; position: absolute; inset: 0; border-radius: 16px; background-image: linear-gradient(rgba(238,74,133,.22) 1px, transparent 1px), linear-gradient(90deg, rgba(238,74,133,.22) 1px, transparent 1px); background-size: 8px 8px; opacity: var(--grid-on, 0); transition: opacity .2s; pointer-events: none; }
.uu-switch { display: inline-flex; align-items: center; gap: 9px; font-size: 13px; font-weight: 700; color: var(--ink-2); cursor: pointer; user-select: none; margin: 0; }
.uu-switch input { position: absolute; opacity: 0; pointer-events: none; }
.uu-switch i { position: relative; width: 38px; height: 22px; border-radius: 22px; background: #CBD5D8; transition: background .2s; flex: none; }
.uu-switch i::after { content: ""; position: absolute; left: 3px; top: 3px; width: 16px; height: 16px; border-radius: 50%; background: #fff; transition: transform .2s var(--ease); box-shadow: 0 1px 3px rgba(0,0,0,.25); }
.uu-switch input:checked + i { background: var(--brand); }
.uu-switch input:checked + i::after { transform: translateX(16px); }
.uu-switch input:focus-visible + i { outline: 2px solid var(--brand-strong); outline-offset: 2px; }
/* 元件狀態展示（Default / Hover / Pressed / Disabled / Error / Loading） */
.uu-states { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.uu-states .st-btn { min-width: 150px; height: 46px; border-radius: 12px; border: 0; background: var(--brand); color: #fff; font-weight: 700; font-size: 14px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; cursor: pointer; transition: all .2s var(--ease); font-family: var(--f-body); }
.uu-states .st-btn.hover { background: var(--brand-strong); box-shadow: 0 10px 20px -10px rgba(6,122,118,.8); }
.uu-states .st-btn.pressed { transform: scale(.96); background: #055E5B; }
.uu-states .st-btn.disabled { background: #D5DCDF; color: #8A939C; cursor: not-allowed; }
.uu-states .st-btn.error { background: var(--warn); }
.uu-states .st-btn .spin { width: 16px; height: 16px; border-radius: 50%; border: 2px solid rgba(255,255,255,.4); border-top-color: #fff; animation: uuSpin .8s linear infinite; }
@keyframes uuSpin { to { transform: rotate(360deg); } }
/* =========================================================
7. 分類小測驗（MoSCoW 等）
========================================================= */
.uu-sorter { display: grid; gap: 10px; }
.uu-sort-item { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 10px 14px; align-items: center; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--line); background: var(--paper); transition: border-color .2s, background .2s; }
.uu-sort-item .q { font-size: 14.5px; font-weight: 700; color: var(--ink); }
.uu-sort-item .fb { grid-column: 1 / -1; font-size: 13px; color: var(--ink-2); display: none; }
.uu-sort-item.is-right { border-color: #9FDDC3; background: #F4FBF8; }
.uu-sort-item.is-wrong { border-color: #F3B9A6; background: #FFF7F4; }
.uu-sort-item.is-right .fb, .uu-sort-item.is-wrong .fb { display: block; }
.uu-sort-item .opts { display: flex; flex-wrap: wrap; gap: 4px; }
.uu-sort-item .opts button { border: 1.5px solid var(--line); background: var(--paper); border-radius: 8px; padding: 5px 10px; font: 700 12px/1.2 var(--f-mono); color: var(--ink-2); cursor: pointer; transition: all .15s; }
.uu-sort-item .opts button:hover { border-color: var(--ink-3); }
.uu-sort-item .opts button.is-pick { background: var(--ink); border-color: var(--ink); color: #fff; }
.uu-sort-item.is-right .opts button.is-pick { background: var(--good); border-color: var(--good); }
.uu-sort-item.is-wrong .opts button.is-pick { background: var(--warn); border-color: var(--warn); }
.uu-sort-item .opts button.is-answer { border-color: var(--good); color: var(--good); }
.uu-score { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; padding: 12px 16px; border-radius: 12px; background: var(--tool); color: #DDE2E7; font-size: 14px; margin-top: 4px; }
.uu-score b { font: 900 18px/1 var(--f-mono); color: #7FE6E2; }
.uu-buckets { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 10px; margin-bottom: 14px; }
.uu-bucket { border-radius: 12px; padding: 12px 14px; border: 1px solid var(--line); background: var(--paper); }
.uu-bucket .h { font: 900 12px/1.2 var(--f-mono); letter-spacing: .04em; margin-bottom: 4px; }
.uu-bucket p { font-size: 12.5px; line-height: 1.6; margin: 0 0 8px; }
.uu-bucket .act { font-size: 12px; font-weight: 700; }
.uu-bucket.m { border-top: 4px solid var(--good); } .uu-bucket.m .h { color: var(--good); }
.uu-bucket.s { border-top: 4px solid var(--amber); } .uu-bucket.s .h { color: var(--amber); }
.uu-bucket.c { border-top: 4px solid var(--agent); } .uu-bucket.c .h { color: var(--agent); }
.uu-bucket.w { border-top: 4px solid var(--warn); } .uu-bucket.w .h { color: var(--warn); }
/* =========================================================
8. 工作單（可填寫、會記住、可下載）
========================================================= */
.uu-sheet { border: 1px solid var(--line); border-radius: 16px; overflow: hidden; }
.uu-sheet-row { display: grid; grid-template-columns: 56px minmax(0,1fr) 220px; border-top: 1px solid var(--line-2); }
.uu-sheet-row:first-child { border-top: 0; }
.uu-sheet-row > div { padding: 16px; }
.uu-sheet-row .step { display: grid; place-items: start center; background: var(--canvas); }
.uu-sheet-row .step span { width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; background: var(--ink); color: #fff; font: 900 13px/1 var(--f-mono); }
.uu-sheet-row h4 { font-size: 15.5px; font-weight: 900; margin: 0 0 8px; }
.uu-sheet-row .chk { background: var(--canvas); display: grid; gap: 8px; align-content: start; }
.uu-sheet-row .chk .uu-mono { color: var(--ink-3); }
.uu-field { display: grid; gap: 4px; margin: 0 0 8px; font-size: 13px; font-weight: 700; color: var(--ink-2); }
.uu-field input, .uu-field textarea { width: 100%; border: 1.5px solid var(--line); border-radius: 10px; padding: 9px 12px; font-size: 14px; font-family: var(--f-body); color: var(--ink); background: #fff; outline: none; transition: border-color .2s, box-shadow .2s; }
.uu-field input:focus, .uu-field textarea:focus { border-color: var(--brand); box-shadow: 0 0 0 4px rgba(10,186,181,.14); }
.uu-check { display: flex; align-items: flex-start; gap: 9px; font-size: 13.5px; color: var(--ink); cursor: pointer; margin: 0; line-height: 1.5; }
.uu-check input { appearance: none; -webkit-appearance: none; flex: none; width: 20px; height: 20px; margin: 0; border-radius: 6px; border: 2px solid #B9C9CB; background: #fff; display: grid; place-items: center; cursor: pointer; transition: all .2s; }
.uu-check input::after { content: "✓"; color: #fff; font-size: 13px; font-weight: 900; transform: scale(0); transition: transform .2s var(--ease); }
.uu-check input:checked { background: var(--brand); border-color: var(--brand); }
.uu-check input:checked::after { transform: scale(1); }
.uu-check input[type="radio"] { border-radius: 50%; }
.uu-check input:focus-visible { outline: 2px solid var(--brand-strong); outline-offset: 2px; }
.uu-radio-fb { font-size: 13px; font-weight: 700; margin-top: 6px; min-height: 1.4em; }
.uu-radio-fb.ok { color: var(--good); } .uu-radio-fb.no { color: var(--warn); }
.uu-sheet-foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; padding: 12px 16px; background: var(--canvas); border-top: 1px solid var(--line); font-size: 12.5px; color: var(--ink-3); }
.uu-sheet-foot .acts { display: flex; gap: 8px; flex-wrap: wrap; }
/* 待辦清單（作業，可勾選＋進度） */
.uu-page .uu-todo { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 12px; list-style: none; margin: 0; padding: 0; }
.uu-todo li { margin: 0; }
.uu-todo label { display: flex; gap: 12px; align-items: flex-start; height: 100%; padding: 16px; border-radius: 14px; border: 1px solid var(--line); background: var(--paper); cursor: pointer; transition: border-color .2s, background .2s; margin: 0; }
.uu-todo label:hover { border-color: var(--brand); }
.uu-todo .k { font: 900 12px/1 var(--f-mono); color: var(--ink-3); display: block; margin-bottom: 6px; }
.uu-todo b { display: block; font-size: 15px; font-family: var(--f-display); margin-bottom: 4px; color: var(--ink); }
.uu-todo span.d { display: block; font-size: 13px; line-height: 1.65; color: var(--ink-2); }
.uu-todo li.is-done label { background: #F2FBF7; border-color: #BFE8D6; }
.uu-todo li.is-done b { text-decoration: line-through; text-decoration-color: rgba(0,0,0,.3); color: var(--ink-3); }
.uu-progress { display: flex; align-items: center; gap: 12px; margin: 0 0 14px; font-size: 13px; color: var(--ink-2); }
.uu-progress .track { flex: 1; height: 8px; border-radius: 8px; background: var(--line); overflow: hidden; }
.uu-progress .track i { display: block; height: 100%; width: 0; background: var(--brand-grad); border-radius: 8px; transition: width .4s var(--ease); }
.uu-progress b { font: 900 14px/1 var(--f-mono); color: var(--ink); }
/* 模組卡（Figma 產品）：點開看說明 */
.uu-mods { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 10px; }
.uu-mod { display: flex; flex-direction: column; gap: 6px; align-items: flex-start; padding: 14px; border-radius: 14px; border: 1.5px solid var(--line); background: var(--paper); cursor: pointer; text-align: left; transition: all .2s var(--ease); font-family: var(--f-body); }
.uu-mod .ic { width: 36px; height: 36px; border-radius: 10px; display: grid; place-items: center; color: #fff; font-size: 16px; background: var(--c, var(--brand-grad)); }
.uu-mod b { font-size: 14.5px; color: var(--ink); font-family: var(--f-display); }
.uu-mod span { font-size: 12px; color: var(--ink-3); }
.uu-mod:hover { border-color: var(--ink-3); transform: translateY(-2px); }
.uu-mod.is-on { border-color: var(--ink); box-shadow: 0 14px 26px -18px rgba(0,0,0,.5); }
.uu-mod-detail { margin-top: 12px; display: grid; grid-template-columns: auto minmax(0,1fr) auto; gap: 16px; align-items: center; padding: 16px 18px; border-radius: 14px; background: var(--tool); color: #DDE2E7; }
.uu-mod-detail .ic { width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; color: #fff; font-size: 20px; }
.uu-mod-detail h4 { color: #fff; font-size: 17px; margin: 0 0 4px; }
.uu-mod-detail p { color: #BFC6CE; margin: 0; font-size: 14px; }
/* 嵌入（點擊才載入） */
.uu-embed { position: relative; border-radius: 14px; overflow: hidden; border: 1px solid var(--line); background: var(--tool); }
.uu-embed.r169 { aspect-ratio: 16 / 9; }
.uu-embed.tall { height: 480px; }
.uu-embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.uu-embed .poster { position: absolute; inset: 0; width: 100%; border: 0; cursor: pointer; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px; color: #fff; font-family: var(--f-body); background: radial-gradient(circle at 50% 40%, rgba(99,80,196,.45), transparent 60%), linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px) 0 0/24px 24px, linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px) 0 0/24px 24px, var(--tool); }
.uu-embed .poster .pl { width: 64px; height: 64px; border-radius: 50%; display: grid; place-items: center; background: #fff; color: var(--brand-strong); font-size: 28px; transition: transform .25s var(--ease); }
.uu-embed .poster:hover .pl { transform: scale(1.1); }
.uu-embed .poster b { font-size: 15px; }
.uu-embed .poster small { font-size: 12px; color: #A9AFB7; }
/* 案例卡（學長姐作品） */
.uu-cases { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 14px; }
.uu-case { display: flex; flex-direction: column; gap: 10px; padding: 18px; border-radius: 16px; border: 1px solid var(--line); background: var(--paper); }
.uu-case h4 { font-size: 16px; font-weight: 900; margin: 0; }
.uu-case .who { font: 600 11.5px/1 var(--f-mono); color: var(--ink-3); }
.uu-case .ph { font: 700 11px/1 var(--f-mono); color: var(--ink-3); letter-spacing: .06em; margin-top: 4px; }
.uu-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.uu-chips a { display: inline-flex; align-items: center; gap: 6px; padding: 6px 11px; border-radius: 9px; background: var(--canvas); color: var(--ink); font-size: 13px; font-weight: 600; transition: background .2s, color .2s; }
.uu-chips a:hover { background: var(--ink); color: #fff; }
.uu-chips a i { font-size: 13px; }
.uu-chips a .fa-behance, .uu-chips a .bi-behance { color: #1769FF; }
.uu-chips a .fa-figma { color: var(--agent); }
.uu-chips a:hover i { color: #fff; }
.uu-page .uu-awards { display: grid; gap: 8px; list-style: none; margin: 0; padding: 0; }
.uu-awards a { display: grid; grid-template-columns: 64px minmax(0,1fr) auto; gap: 12px; align-items: center; padding: 10px 14px; border-radius: 12px; border: 1px solid var(--line); background: var(--paper); color: var(--ink); font-size: 14px; transition: border-color .2s, transform .2s var(--ease); }
.uu-awards a:hover { border-color: var(--brand); transform: translateX(3px); color: var(--ink); }
.uu-awards .yr { font: 900 15px/1 var(--f-mono); color: var(--brand-strong); }
.uu-awards small { display: block; font-size: 12px; color: var(--ink-3); }
.uu-awards i { color: var(--ink-3); font-size: 12px; }
/* 下一單元 */
.uu-next { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 14px; }
.uu-next a { display: flex; align-items: center; gap: 14px; padding: 18px 20px; border-radius: 16px; border: 1px solid var(--line); background: var(--paper); color: var(--ink); transition: all .25s var(--ease); }
.uu-next a:hover { border-color: var(--brand); transform: translateY(-3px); color: var(--ink); box-shadow: 0 22px 36px -28px rgba(6,122,118,.7); }
.uu-next a.nx { background: var(--tool); border-color: var(--tool); color: #fff; justify-content: flex-end; text-align: right; }
.uu-next a.nx:hover { color: #fff; }
.uu-next .k { display: block; font: 700 11px/1 var(--f-mono); color: var(--ink-3); letter-spacing: .08em; margin-bottom: 6px; }
.uu-next a.nx .k { color: #7FE6E2; }
.uu-next b { font-size: 16px; font-family: var(--f-display); }
.uu-next i { font-size: 22px; }
/* 小提示（toast） */
.uu-toast { position: fixed; left: 50%; bottom: 26px; z-index: 2000; transform: translate(-50%, 20px); opacity: 0; padding: 10px 16px; border-radius: 12px; background: var(--tool); color: #fff; font-size: 14px; font-weight: 600; box-shadow: 0 18px 34px -16px rgba(0,0,0,.6); transition: opacity .25s, transform .25s var(--ease); pointer-events: none; display: flex; align-items: center; gap: 8px; }
.uu-toast.on { opacity: 1; transform: translate(-50%, 0); }
.uu-toast i { color: #7FE6E2; }
/* =========================================================
9. 響應式
========================================================= */
@media (max-width: 1199px) {
.uu-shell { grid-template-columns: 1fr; }
.uu-layers { position: fixed; left: 0; top: var(--hdr); bottom: 0; height: auto; width: 290px; z-index: 96; transform: translateX(-102%); transition: transform .3s var(--ease); box-shadow: 20px 0 40px -20px rgba(0,0,0,.4); }
.uu-page.layers-open .uu-layers { transform: none; }
.uu-scrim { position: fixed; inset: 0; z-index: 94; background: rgba(16,20,23,.35); opacity: 0; pointer-events: none; transition: opacity .25s; }
.uu-page.layers-open .uu-scrim { opacity: 1; pointer-events: auto; }
.uu-bar .tb-layers { display: inline-flex; }
.uu-mods { grid-template-columns: repeat(2, minmax(0,1fr)); }
}
@media (max-width: 991px) {
.uu-hero { grid-template-columns: 1fr; padding: 28px 24px; }
.uu-device { display: none; }
.uu-grid.c3, .uu-grid.c4, .uu-goals, .uu-page .uu-todo { grid-template-columns: 1fr 1fr; }
.uu-lab, .uu-cases, .uu-buckets { grid-template-columns: 1fr 1fr; }
.uu-sheet-row { grid-template-columns: 48px minmax(0,1fr); }
.uu-sheet-row .chk { grid-column: 2; }
.uu-bar .zoom, .uu-bar .file .path { display: none; }
}
@media (max-width: 767px) {
.uu-canvas { padding: 18px 14px 90px; }
.uu-frame-body { padding: 20px 18px; border-radius: 16px; }
.uu-grid.c2, .uu-grid.c3, .uu-grid.c4, .uu-goals, .uu-page .uu-todo, .uu-lab, .uu-cases, .uu-buckets, .uu-next, .uu-mods { grid-template-columns: 1fr; }
.uu-vs { grid-template-columns: 1fr; }
.uu-vs .bad { border-right: 0; border-bottom: 1px solid var(--line); }
.uu-kv { grid-template-columns: 1fr; }
.uu-kv > div:nth-child(odd) { padding-bottom: 4px; }
.uu-kv > div:nth-child(even) { border-top: 0; padding-top: 4px; }
.uu-timebar { height: auto; flex-direction: column; }
.uu-timebar button { padding: 10px 14px; flex: none !important; }
.uu-timebar button.is-on::after { display: none; }
.uu-bar .prog .track { width: 64px; }
.uu-bar .tb-nav .tb-btn span, .uu-bar .tb-layers span { display: none; }
.uu-bar-in { gap: 6px; padding: 0 8px; }
.uu-bar .file { flex: 1; min-width: 0; }
.uu-bar .file b { max-width: none; font-size: 13px; }
.uu-bar .file .ext, .uu-bar .file .logo, .uu-bar .sp, .uu-bar .prog [data-uu-pct] { display: none; }
.uu-bar .tb-btn { padding: 0 9px; }
.uu-flow-panel { grid-template-columns: 1fr; gap: 8px; }
.uu-mod-detail { grid-template-columns: auto minmax(0,1fr); }
.uu-mod-detail .uu-btn { grid-column: 1 / -1; justify-self: start; }
.uu-awards a { grid-template-columns: 52px minmax(0,1fr); }
.uu-awards a > i { display: none; }
.uu-hero { padding: 24px 18px; border-radius: 18px; }
}
@media (prefers-reduced-motion: reduce) {
.uu-hero .kick .dot, .uu-device-cap, .uu-states .st-btn .spin { animation: none; }
.uu-device .scr > div { transition: none; }
}
/* =========================================================
10. 字級系統（統一全頁閱讀節奏）
main.css 會把 放大到 1.15rem，這裡用較高權重統一成三級：
內文 15.5px／卡片與表格 14.5px／說明與圖說 12.5～13px
========================================================= */
.uu-page { --fs-body: 15.5px; --lh-body: 1.85; --fs-sm: 14.5px; --lh-sm: 1.75; --fs-xs: 13px; --lh-xs: 1.65; --measure: 40em; }
.uu-page .uu-canvas p, .uu-page .uu-canvas li { font-size: var(--fs-body); line-height: var(--lh-body); }
/* 長段落：限制行長，約 40 個中文字一行 */
.uu-page .uu-canvas .uu-prose { max-width: var(--measure); }
.uu-page .uu-canvas .uu-prose p { margin-bottom: 14px; }
.uu-page .uu-canvas .uu-fh p { font-size: var(--fs-body); line-height: var(--lh-body); max-width: var(--measure); }
/* 卡片、表格、對照、流程說明：第二級 */
.uu-page .uu-canvas .uu-card p, .uu-page .uu-canvas .uu-card li,
.uu-page .uu-canvas .uu-vs p, .uu-page .uu-canvas .uu-vs li,
.uu-page .uu-canvas .uu-kv > div, .uu-page .uu-canvas .uu-kv li,
.uu-page .uu-canvas .uu-flow-panel p, .uu-page .uu-canvas .uu-note p,
.uu-page .uu-canvas .uu-sheet-row p, .uu-page .uu-canvas .uu-mod-detail p,
.uu-page .uu-canvas .uu-sort-item .q, .uu-page .uu-canvas .uu-goal span,
.uu-page .uu-canvas .uu-refs a, .uu-page .uu-canvas .uu-awards a { font-size: var(--fs-sm); line-height: var(--lh-sm); }
.uu-page .uu-canvas .uu-card li, .uu-page .uu-canvas .uu-vs li { margin: 4px 0; }
/* 說明、圖說、提示：第三級 */
.uu-page .uu-canvas .uu-bucket p, .uu-page .uu-canvas .uu-case p, .uu-page .uu-canvas .uu-todo span.d,
.uu-page .uu-canvas .uu-sim .hint, .uu-page .uu-canvas .uu-sub, .uu-page .uu-canvas .uu-sort-item .fb { font-size: var(--fs-xs); line-height: var(--lh-xs); }
.uu-page .uu-canvas figcaption { font-size: 12.5px; line-height: 1.6; }
.uu-page .uu-canvas .uu-prompt pre { font-size: 14px; line-height: 1.8; }
/* 模擬器手機裡的字由 JS 控制，不吃全域字級 */
.uu-page .uu-canvas .sim-type .phone p { line-height: 1.2; }
.uu-page .uu-canvas .uu-hero p.lead { font-size: 15.5px; }
/* 圖片尺寸：預設滿版，資訊圖改為置中限寬 */
.uu-fig.md { max-width: 720px; margin-left: auto; margin-right: auto; }
.uu-fig.sm { max-width: 520px; margin-left: auto; margin-right: auto; }
.uu-fig.md figcaption, .uu-fig.sm figcaption { justify-content: center; }
/* 文字＋圖片並排（圖片較窄） */
.uu-split { display: grid; grid-template-columns: minmax(0,1.25fr) minmax(0,.75fr); gap: 28px; align-items: start; }
.uu-split .uu-fig { margin-top: 4px; }
@media (max-width: 991px) { .uu-split { grid-template-columns: 1fr; } }
/* =========================================================
11. 新增互動：二選一／單選測驗、拇指熱區
========================================================= */
.uu-sorter.mcq .uu-sort-item { grid-template-columns: 1fr; }
.uu-sorter.mcq .uu-sort-item .q { display: flex; gap: 10px; }
.uu-sorter.mcq .uu-sort-item .q b { font: 900 13px/1.6 var(--f-mono); color: var(--brand-strong); flex: none; }
.uu-sorter.mcq .opts button { font-family: var(--f-body); font-size: 13.5px; font-weight: 600; padding: 7px 12px; }
.uu-sorter.duo .opts button { min-width: 64px; }
.sim-thumb .uu-stage { min-height: 420px; }
.sim-thumb .ph { position: relative; width: 200px; height: 400px; border-radius: 30px; border: 7px solid var(--ink); background: #fff; overflow: hidden; cursor: crosshair; box-shadow: 0 24px 40px -26px rgba(0,0,0,.6); }
.sim-thumb .ph .ui { position: absolute; inset: 16px 14px auto; display: grid; gap: 8px; pointer-events: none; }
.sim-thumb .ph .ui i { display: block; height: 10px; border-radius: 5px; background: #E3E8EB; }
.sim-thumb .ph .ui i.t { height: 14px; width: 55%; background: var(--ink); }
.sim-thumb .ph .ui i.img { height: 80px; border-radius: 12px; background: linear-gradient(135deg, #BFEDEB, #D9D2F6); }
.sim-thumb .zones { position: absolute; inset: 0; pointer-events: none; opacity: 0; transition: opacity .25s; }
.sim-thumb.show-zones .zones { opacity: .55; }
.sim-thumb .cta { position: absolute; left: 50%; top: 18%; width: 120px; height: 40px; margin: -20px 0 0 -60px; border-radius: 12px; background: var(--brand); color: #fff; font-size: 12.5px; font-weight: 700; display: grid; place-items: center; pointer-events: none; box-shadow: 0 10px 18px -10px rgba(6,122,118,.9); transition: left .35s var(--ease), top .35s var(--ease); }
.sim-thumb .legend { display: flex; flex-wrap: wrap; gap: 6px 12px; font-size: 12px; color: var(--ink-2); }
.sim-thumb .legend span { display: inline-flex; align-items: center; gap: 5px; }
.sim-thumb .legend i { width: 12px; height: 12px; border-radius: 4px; }
.uu-thumb-wrap { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 16px; align-items: stretch; }
@media (max-width: 991px) { .uu-thumb-wrap { grid-template-columns: 1fr; } }
.sim-thumb .cta { display: flex; align-items: center; justify-content: center; gap: 4px; white-space: nowrap; }
/* =========================================================
12. 熱點導覽（截圖上的可點熱點）
========================================================= */
.uu-hot { display: grid; grid-template-columns: minmax(0,1.6fr) minmax(0,.9fr); gap: 16px; align-items: start; }
.uu-hot-img { position: relative; border-radius: 14px; overflow: hidden; border: 1px solid var(--line); background: #fff; }
.uu-hot-img img { width: 100%; }
.uu-hot-img button { position: absolute; transform: translate(-50%, -50%); width: 26px; height: 26px; border-radius: 50%; border: 2px solid #fff; background: var(--agent); color: #fff; font: 800 11px/1 var(--f-mono); cursor: pointer; box-shadow: 0 0 0 0 rgba(99,80,196,.55), 0 4px 10px -4px rgba(0,0,0,.5); animation: uuPing 2.4s infinite; transition: transform .2s var(--ease), background .2s; padding: 0; }
.uu-hot-img button:hover { transform: translate(-50%, -50%) scale(1.15); }
.uu-hot-img button.is-on { background: var(--brand); animation: none; transform: translate(-50%, -50%) scale(1.2); box-shadow: 0 0 0 5px rgba(10,186,181,.3); }
.uu-hot-img button.is-done:not(.is-on) { background: var(--ink-3); animation: none; }
@keyframes uuPing { 0% { box-shadow: 0 0 0 0 rgba(99,80,196,.5), 0 4px 10px -4px rgba(0,0,0,.5); } 70% { box-shadow: 0 0 0 10px rgba(99,80,196,0), 0 4px 10px -4px rgba(0,0,0,.5); } 100% { box-shadow: 0 0 0 0 rgba(99,80,196,0), 0 4px 10px -4px rgba(0,0,0,.5); } }
.uu-hot-panel { position: sticky; top: calc(var(--hdr) + var(--bar) + 16px); border-radius: 14px; background: var(--tool); color: #DDE2E7; padding: 18px 20px; min-height: 180px; }
.uu-hot-panel .k { display: inline-flex; align-items: center; gap: 6px; font: 700 11px/1 var(--f-mono); letter-spacing: .08em; color: #7FE6E2; margin-bottom: 8px; }
.uu-hot-panel h4 { color: #fff; font-size: 18px; margin: 0 0 8px; }
.uu-page .uu-canvas .uu-hot-panel p { color: #C3CAD1; font-size: var(--fs-sm); line-height: var(--lh-sm); margin: 0 0 10px; }
.uu-hot-panel kbd { display: inline-block; font: 700 12px/1 var(--f-mono); padding: 5px 8px; border-radius: 6px; background: #2C2E33; border: 1px solid #3A3D44; border-bottom-width: 3px; color: #fff; }
.uu-hot-panel .ctl { display: flex; gap: 6px; margin-top: 12px; align-items: center; }
.uu-hot-panel .ctl .uu-btn { background: #2C2E33; color: #fff; border-color: #3A3D44; }
.uu-hot-panel .ctl .uu-btn:hover { background: var(--brand); }
.uu-hot-panel .ctl span { margin-left: auto; font: 600 12px/1 var(--f-mono); color: #8C929B; }
@media (max-width: 991px) { .uu-hot { grid-template-columns: 1fr; } .uu-hot-panel { position: static; } .uu-hot-img button { width: 20px; height: 20px; font-size: 9px; } }
/* =========================================================
13. 快捷鍵練習
========================================================= */
.uu-keys { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 16px; }
.uu-keys-stage { position: relative; border-radius: 16px; background: var(--tool); color: #fff; padding: 24px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px; min-height: 240px; text-align: center; outline: none; }
.uu-keys-stage:focus-visible { box-shadow: 0 0 0 3px var(--brand); }
.uu-keys-stage .ask { font-size: 13px; color: #A9AFB7; }
.uu-keys-stage .tool { font: 900 28px/1.2 var(--f-display); }
.uu-keys-stage .tool i { color: #7FE6E2; margin-right: 8px; }
.uu-keys-stage .press { display: flex; gap: 6px; min-height: 44px; align-items: center; }
.uu-keys-stage kbd { font: 800 18px/1 var(--f-mono); padding: 10px 14px; border-radius: 9px; background: #2C2E33; border: 1px solid #44474F; border-bottom-width: 4px; color: #fff; min-width: 44px; }
.uu-keys-stage.ok kbd { background: var(--good); border-color: #157A52; }
.uu-keys-stage.no kbd { background: var(--warn); border-color: #B4361A; animation: uuShake .35s; }
@keyframes uuShake { 25% { transform: translateX(-5px); } 75% { transform: translateX(5px); } }
.uu-keys-stage .fb { font-size: 13px; min-height: 1.4em; color: #C3CAD1; }
.uu-keys-stage .start { position: absolute; inset: 0; border-radius: 16px; border: 0; background: rgba(30,31,34,.92); color: #fff; font: 700 15px/1.4 var(--f-body); cursor: pointer; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; }
.uu-keys-stage .start i { font-size: 30px; color: #7FE6E2; }
.uu-keys-stage .start small { font-weight: 400; color: #A9AFB7; font-size: 12.5px; }
.uu-keys-list { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; align-content: start; margin: 0; padding: 0; list-style: none; }
.uu-page .uu-canvas .uu-keys-list li { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 8px 12px; border-radius: 10px; background: var(--canvas); font-size: 13.5px; line-height: 1.4; margin: 0; color: var(--ink); }
.uu-keys-list li kbd { font: 700 11.5px/1 var(--f-mono); padding: 4px 7px; border-radius: 6px; background: #fff; border: 1px solid var(--line); border-bottom-width: 2px; color: var(--ink); white-space: nowrap; }
.uu-keys-list li.is-done { background: var(--good-soft); }
.uu-keys-list li.is-done::after { content: "✓"; color: var(--good); font-weight: 900; }
.uu-keys-list li.is-now { box-shadow: inset 0 0 0 1.5px var(--brand); }
@media (max-width: 991px) { .uu-keys { grid-template-columns: 1fr; } }
/* =========================================================
14. 決策小工具（選條件 → 看結果）
========================================================= */
.uu-decide { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 16px; align-items: stretch; }
.uu-decide fieldset { border: 0; margin: 0 0 14px; padding: 0; }
.uu-decide legend { font-size: 13.5px; font-weight: 700; color: var(--ink); margin-bottom: 8px; float: none; width: auto; padding: 0; }
.uu-chipset { display: flex; flex-wrap: wrap; gap: 6px; }
.uu-chipset label { margin: 0; cursor: pointer; }
.uu-chipset input { position: absolute; opacity: 0; pointer-events: none; }
.uu-chipset span { display: inline-flex; align-items: center; gap: 6px; padding: 8px 13px; border-radius: 10px; border: 1.5px solid var(--line); background: var(--paper); font-size: 13.5px; font-weight: 600; color: var(--ink-2); transition: all .15s; }
.uu-chipset input:checked + span { background: var(--ink); border-color: var(--ink); color: #fff; }
.uu-chipset input:focus-visible + span { outline: 2px solid var(--brand); outline-offset: 2px; }
.uu-decide-out { border-radius: 16px; padding: 20px; background: var(--canvas); border: 1.5px dashed var(--line); display: flex; flex-direction: column; justify-content: center; }
.uu-decide-out > [data-when] { display: none; }
.uu-decide-out > [data-when].is-on { display: block; animation: uuIn .35s var(--ease); }
.uu-decide-out .res { display: flex; align-items: center; gap: 10px; font: 900 18px/1.3 var(--f-display); margin-bottom: 8px; }
.uu-decide-out .res i { font-size: 24px; }
.uu-decide-out .ok i { color: var(--good); } .uu-decide-out .warn i { color: var(--amber); } .uu-decide-out .no i { color: var(--warn); }
.uu-decide-out .idle { color: var(--ink-3); font-size: 14px; display: flex; gap: 8px; align-items: center; }
@media (max-width: 991px) { .uu-decide { grid-template-columns: 1fr; } }
/* =========================================================
15. 畫面組裝（勾選元件 → 手機預覽出現）
========================================================= */
.uu-build { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 24px; align-items: center; }
.uu-build-list { display: grid; gap: 8px; }
.uu-build-phone { width: 230px; height: 460px; border-radius: 34px; border: 8px solid var(--ink); background: #fff; padding: 30px 18px 18px; display: flex; flex-direction: column; gap: 10px; position: relative; overflow: hidden; box-shadow: 0 28px 50px -30px rgba(0,0,0,.6); }
.uu-build-phone::before { content: ""; position: absolute; top: 8px; left: 50%; width: 60px; height: 14px; margin-left: -30px; border-radius: 10px; background: var(--ink); }
.uu-build-phone [data-part] { opacity: 0; transform: translateY(10px) scale(.96); max-height: 0; overflow: hidden; transition: all .35s var(--ease); }
.uu-build-phone [data-part].is-on { opacity: 1; transform: none; max-height: 200px; }
.uu-build-phone .p-art { border-radius: 16px; background: linear-gradient(135deg, #BFEDEB, #D9D2F6); display: grid; place-items: center; font-size: 46px; color: var(--agent); }
.uu-build-phone .p-art.is-on { height: 130px; }
.uu-build-phone .p-title { font: 900 18px/1.3 var(--f-display); color: var(--ink); text-align: center; }
.uu-build-phone .p-sub { font-size: 11.5px; color: var(--ink-3); text-align: center; line-height: 1.5; }
.uu-build-phone .p-in { display: grid; gap: 6px; }
.uu-build-phone .p-in i { display: block; height: 34px; border-radius: 9px; border: 1.5px solid var(--line); background: #FAFBFB; font: normal 11px/34px var(--f-body); color: var(--ink-3); padding-left: 10px; }
.uu-build-phone .p-btn { height: 40px; border-radius: 11px; background: var(--brand); color: #fff; font-size: 13px; font-weight: 700; display: grid; place-items: center; }
.uu-build-phone .p-btn.is-on { height: 40px; }
.uu-build-phone .p-btn2 { height: 40px; border-radius: 11px; border: 1.5px solid var(--brand); color: var(--brand-strong); font-size: 13px; font-weight: 700; display: grid; place-items: center; }
.uu-build-phone .p-link { font-size: 11px; color: var(--brand-strong); text-align: center; text-decoration: underline; }
.uu-build-phone .empty { position: absolute; inset: 30px 18px 18px; display: grid; place-items: center; text-align: center; color: var(--ink-3); font-size: 12.5px; border: 1.5px dashed var(--line); border-radius: 14px; transition: opacity .3s; }
.uu-build-phone.has-any .empty { opacity: 0; pointer-events: none; }
@media (max-width: 767px) { .uu-build { grid-template-columns: 1fr; justify-items: center; } .uu-build-list { width: 100%; } }
/* 步驟圖片檢視器 */
.uu-steps-nav { display: flex; flex-wrap: wrap; gap: 5px; margin-bottom: 12px; }
.uu-steps-nav button { width: 34px; height: 34px; border-radius: 9px; border: 1.5px solid var(--line); background: var(--paper); font: 800 12px/1 var(--f-mono); color: var(--ink-2); cursor: pointer; transition: all .15s; padding: 0; }
.uu-steps-nav button:hover { border-color: var(--brand); }
.uu-steps-nav button.is-done { background: var(--brand-soft); border-color: #BFE8E5; color: var(--brand-strong); }
.uu-steps-nav button.is-on { background: var(--ink); border-color: var(--ink); color: #fff; }
.uu-step-view { display: grid; grid-template-columns: minmax(0,1.5fr) minmax(0,.8fr); gap: 18px; align-items: center; }
.uu-step-view .uu-fig { margin: 0; }
.uu-step-view .cap .n { font: 900 40px/1 var(--f-mono); color: var(--brand); display: block; margin-bottom: 6px; }
.uu-step-view .cap h4 { font-size: 18px; font-weight: 900; margin: 0 0 8px; }
@media (max-width: 991px) { .uu-step-view { grid-template-columns: 1fr; } }
/* 四欄待辦、四欄比較表（可橫向捲動） */
.uu-page .uu-todo.c4 { grid-template-columns: repeat(4, minmax(0,1fr)); }
.uu-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.uu-page .uu-kv.c4 { grid-template-columns: 120px repeat(3, minmax(0,1fr)); min-width: 560px; }
.uu-page .uu-kv.c4 > div { background: transparent; font-weight: 400; color: var(--ink-2); border-top: 1px solid var(--line-2); padding: 12px 14px; }
.uu-page .uu-kv.c4 > div:nth-child(4n+1) { background: var(--canvas); font-weight: 700; color: var(--ink); }
.uu-page .uu-kv.c4 > div:nth-child(-n+4) { background: var(--tool); color: #fff; font-weight: 700; border-top: 0; }
@media (max-width: 1199px) { .uu-page .uu-todo.c4 { grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (max-width: 767px) { .uu-page .uu-todo.c4 { grid-template-columns: 1fr; } .uu-page .uu-kv.c4 { grid-template-columns: 96px repeat(3, minmax(140px,1fr)); } }
.uu-embed.md { max-width: 820px; margin-left: auto; margin-right: auto; }
.uu-build { align-items: start; }
/* =========================================================
16. 組件／樣式／變數 模擬器
========================================================= */
.uu-sys { display: grid; grid-template-columns: minmax(0,1.2fr) minmax(0,.8fr); gap: 0; border: 1px solid var(--line); border-radius: 16px; overflow: hidden; background: var(--paper); }
.uu-sys-stage { padding: 22px; background-color: #FAFBFB; background-image: radial-gradient(#E1E7EA 1px, transparent 1.2px); background-size: 14px 14px; display: flex; flex-wrap: wrap; gap: 18px; align-content: flex-start; align-items: flex-start; }
.uu-sys-ctl { padding: 18px; border-left: 1px solid var(--line-2); display: grid; gap: 14px; align-content: start; }
.uu-sys-ctl .uu-mono { color: var(--ink-3); display: block; margin-bottom: 6px; }
.uu-sys-ctl label { display: flex; align-items: center; gap: 10px; font-size: 13px; font-weight: 600; color: var(--ink-2); margin: 0; }
.uu-sys-ctl input[type=text] { flex: 1; min-width: 0; height: 34px; border-radius: 8px; border: 1.5px solid var(--line); padding: 0 10px; font-size: 13.5px; font-family: var(--f-body); outline: none; }
.uu-sys-ctl input[type=text]:focus { border-color: var(--brand); }
.uu-node { display: flex; flex-direction: column; gap: 6px; align-items: flex-start; }
.uu-node .tag { font: 700 10.5px/1 var(--f-mono); color: var(--agent); display: inline-flex; align-items: center; gap: 4px; }
.uu-node.main { padding: 10px; border: 1.5px dashed var(--agent); border-radius: 12px; background: rgba(99,80,196,.05); }
.uu-node .btn { min-width: 132px; height: 44px; padding: 0 16px; border-radius: var(--r, 12px); background: var(--c, #0ABAB5); color: #fff; font-size: 14px; font-weight: 700; display: inline-flex; align-items: center; justify-content: center; gap: 6px; transition: all .3s var(--ease); white-space: nowrap; }
.uu-node .ov { font: 700 10px/1 var(--f-mono); color: var(--amber); background: var(--amber-soft); padding: 3px 6px; border-radius: 10px; display: none; }
.uu-node.is-over .ov { display: inline-block; }
.uu-styles-demo { display: grid; gap: 12px; width: 100%; }
.uu-styles-demo .obj { display: flex; align-items: center; gap: 10px; padding: 12px 14px; border-radius: 12px; background: #fff; box-shadow: 0 8px 18px -14px rgba(0,0,0,.35); }
.uu-styles-demo .obj .sw { width: 34px; height: 34px; border-radius: 10px; background: var(--c); transition: background .3s; flex: none; }
.uu-styles-demo .obj b { font-family: var(--f-display); font-size: 17px; color: var(--c); transition: color .3s; }
.uu-styles-demo .obj .pill { height: 36px; padding: 0 16px; border-radius: 10px; background: var(--c); color: #fff; font-size: 13px; font-weight: 700; display: inline-flex; align-items: center; transition: background .3s; }
.uu-styles-demo .obj .meta { margin-left: auto; font: 600 11px/1.3 var(--f-mono); color: var(--ink-3); text-align: right; }
.uu-styles-demo .obj .meta i { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--amber); margin-right: 4px; vertical-align: 1px; }
.uu-styles-demo .obj:not(.is-over) .meta i { display: none; }
.uu-vars-demo { width: 100%; display: grid; grid-template-columns: minmax(0,1fr) 220px; gap: 16px; align-items: start; }
.uu-vars-table { border-radius: 12px; overflow: hidden; background: #fff; border: 1px solid var(--line); font-size: 13px; }
.uu-vars-table .r { display: grid; grid-template-columns: minmax(0,1fr) 92px 92px; align-items: center; border-top: 1px solid var(--line-2); }
.uu-vars-table .r:first-child { border-top: 0; background: var(--tool); color: #fff; font: 700 11px/1 var(--f-mono); }
.uu-vars-table .r > span { padding: 9px 10px; }
.uu-vars-table .r > span:first-child { font-family: var(--f-mono); font-weight: 700; color: var(--ink); }
.uu-vars-table .r:first-child > span { color: #fff; }
.uu-vars-table .v { display: flex; align-items: center; gap: 6px; font: 600 11px/1 var(--f-mono); color: var(--ink-3); transition: background .25s, color .25s; }
.uu-vars-table .v i { width: 16px; height: 16px; border-radius: 4px; border: 1px solid rgba(0,0,0,.12); flex: none; }
.uu-vars-table[data-mode=light] .v.l, .uu-vars-table[data-mode=dark] .v.d { background: var(--brand-soft); color: var(--ink); }
.uu-vars-table[data-mode=light] .r:first-child .l, .uu-vars-table[data-mode=dark] .r:first-child .d { background: var(--brand); color: #fff; }
.uu-vars-card { --bg: #FFFFFF; --canvas: #F5F7F8; --tx: #1B1F22; --tx2: #8A9199; --ac: #0ABAB5; border-radius: 20px; padding: 14px; background: var(--canvas); transition: background .35s; }
.uu-vars-card[data-mode=dark] { --bg: #14171A; --canvas: #1F2327; --tx: #F5F7F8; }
.uu-vars-card .in { border-radius: 14px; background: var(--bg); padding: 16px; display: grid; gap: 8px; justify-items: center; text-align: center; transition: background .35s; }
.uu-vars-card .av { width: 52px; height: 52px; border-radius: 50%; background: linear-gradient(135deg, #7FE6E2, #6350C4); }
.uu-vars-card b { color: var(--tx); font-size: 15px; transition: color .35s; }
.uu-vars-card small { color: var(--tx2); font-size: 11.5px; }
.uu-vars-card .go { width: 100%; height: 38px; border-radius: 10px; background: var(--ac); color: #fff; font-size: 13px; font-weight: 700; display: grid; place-items: center; }
@media (max-width: 991px) { .uu-sys { grid-template-columns: 1fr; } .uu-sys-ctl { border-left: 0; border-top: 1px solid var(--line-2); } .uu-vars-demo { grid-template-columns: 1fr; } .uu-vars-card { max-width: 260px; } }
/* 鍵盤按鍵 */
.uu-page kbd { display: inline-block; font: 700 .82em/1 var(--f-mono); padding: 3px 6px; border-radius: 6px; background: #fff; border: 1px solid var(--line); border-bottom-width: 2px; color: var(--ink); vertical-align: 1px; }
.uu-hot-panel kbd, .uu-keys-stage kbd { background: #2C2E33; color: #fff; border-color: #44474F; }
/* =========================================================
17. ui04 前置作業：關卡關係、各關互動元件
========================================================= */
/* 承接 ← ／ 交給 → 與階段標籤 */
.uu-io { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: -6px 0 20px; font-size: 13px; color: var(--ink-2); }
.uu-io a, .uu-io span.st { display: inline-flex; align-items: center; gap: 6px; padding: 5px 10px; border-radius: 8px; background: var(--canvas); color: var(--ink); font-weight: 600; }
.uu-io a:hover { background: var(--brand-soft); color: var(--ink); }
.uu-io .lab { font: 700 11px/1 var(--f-mono); color: var(--ink-3); letter-spacing: .06em; }
.uu-io .ph { padding: 5px 10px; border-radius: 20px; font: 700 11px/1 var(--f-mono); letter-spacing: .04em; color: #fff; }
.uu-io .ph.d1 { background: #2563EB; } .uu-io .ph.d2 { background: var(--agent); } .uu-io .ph.d3 { background: var(--brand-strong); } .uu-io .ph.d4 { background: var(--figjam); }
/* 五段式小節標題 */
.uu-part { display: flex; align-items: center; gap: 10px; margin: 26px 0 12px; font: 900 16px/1.3 var(--f-display); color: var(--ink); }
.uu-part .k { width: 26px; height: 26px; border-radius: 8px; display: grid; place-items: center; background: var(--brand-soft); color: var(--brand-strong); font: 900 12px/1 var(--f-mono); flex: none; }
.uu-part.agent .k { background: var(--agent-soft); color: var(--agent); }
.uu-part.do .k { background: var(--ink); color: #fff; }
.uu-reply { display: flex; gap: 10px; align-items: flex-start; margin: 8px 0 0; padding: 12px 14px; border-radius: 12px; background: var(--agent-soft); }
.uu-reply > i { color: var(--agent); font-size: 18px; }
.uu-page .uu-canvas .uu-reply p { margin: 0; font-size: var(--fs-sm); line-height: var(--lh-sm); color: var(--ink); }
.uu-reply b { color: var(--agent-strong); }
.uu-gen { display: grid; gap: 12px; }
.uu-gen.two { grid-template-columns: 1fr 1fr; }
@media (max-width: 767px) { .uu-gen.two { grid-template-columns: 1fr; } }
/* 篩選列 */
.uu-fbar { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-bottom: 12px; }
.uu-fbar button { border: 1.5px solid var(--line); background: var(--paper); border-radius: 999px; padding: 6px 13px; font-size: 13px; font-weight: 700; color: var(--ink-2); cursor: pointer; display: inline-flex; gap: 6px; align-items: center; font-family: var(--f-body); }
.uu-fbar button .n { font: 700 11px/1 var(--f-mono); color: var(--ink-3); }
.uu-fbar button.is-on { background: var(--ink); border-color: var(--ink); color: #fff; }
.uu-fbar button.is-on .n { color: rgba(255,255,255,.7); }
.uu-fbar .sp { flex: 1; }
/* 詞彙卡 */
.uu-terms { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.uu-terms details { border: 1px solid var(--line); border-radius: 12px; background: var(--paper); padding: 0 14px; }
.uu-terms details[open] { border-color: var(--brand); box-shadow: 0 10px 22px -18px rgba(6,122,118,.7); }
.uu-terms summary { list-style: none; cursor: pointer; padding: 12px 0; display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 2px 10px; }
.uu-terms summary::-webkit-details-marker { display: none; }
.uu-terms summary b { font-size: 15px; color: var(--ink); }
.uu-terms summary cite { font: 700 10.5px/1 var(--f-mono); font-style: normal; padding: 4px 8px; border-radius: 20px; align-self: center; }
.uu-terms [data-cat=research] cite { background: #E3F0FF; color: #2563EB; }
.uu-terms [data-cat=define] cite { background: var(--agent-soft); color: var(--agent); }
.uu-terms [data-cat=output] cite { background: var(--good-soft); color: var(--good); }
.uu-terms summary small { grid-column: 1 / -1; font-size: 13px; color: var(--ink-2); line-height: 1.6; }
.uu-page .uu-canvas .uu-terms details > p { font-size: var(--fs-xs); line-height: var(--lh-xs); color: var(--ink-2); margin: 0 0 12px; padding-top: 10px; border-top: 1px dashed var(--line); }
@media (max-width: 767px) { .uu-terms { grid-template-columns: 1fr; } }
/* 句子組合器 */
.uu-compose { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 12px; }
.uu-compose fieldset { border: 1px solid var(--line); border-radius: 14px; padding: 12px; margin: 0; background: var(--paper); }
.uu-compose legend { float: none; width: auto; font: 900 12px/1 var(--f-mono); color: var(--brand-strong); padding: 0 6px; margin: 0; }
.uu-compose .uu-chipset { flex-direction: column; }
.uu-compose .uu-chipset span { width: 100%; }
.uu-compose-out { margin-top: 12px; padding: 18px 20px; border-radius: 14px; background: var(--tool); color: #E6E8EB; font-size: 16px; line-height: 1.8; display: flex; gap: 12px; align-items: flex-start; }
.uu-compose-out mark { background: rgba(10,186,181,.25); color: #7FF2EC; padding: 1px 5px; border-radius: 5px; }
.uu-compose-out .blank { color: #6B7280; }
.uu-compose-out .uu-copy { flex: none; margin-left: auto; }
@media (max-width: 767px) { .uu-compose { grid-template-columns: 1fr; } }
/* 人物誌卡 */
.uu-persona { display: grid; grid-template-columns: auto minmax(0,1fr); gap: 16px 20px; padding: 18px 20px; border-radius: 16px; border: 1px solid var(--line); background: var(--paper); }
.uu-persona .av { width: 72px; height: 72px; border-radius: 20px; display: grid; place-items: center; font-size: 32px; color: #fff; background: var(--brand-grad); }
.uu-persona.buyer .av { background: var(--agent-grad); }
.uu-persona h4 { font-size: 19px; margin: 4px 0 2px; }
.uu-persona .role { font-size: 13px; color: var(--ink-3); }
.uu-persona dl { grid-column: 1 / -1; margin: 0; display: grid; grid-template-columns: 64px minmax(0,1fr); gap: 8px 12px; }
.uu-persona dt { font: 700 12px/1.9 var(--f-mono); color: var(--brand-strong); }
.uu-persona.buyer dt { color: var(--agent); }
.uu-persona dd { margin: 0; font-size: var(--fs-sm); line-height: var(--lh-sm); color: var(--ink); }
/* 同理心地圖四象限 */
.uu-quad { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; position: relative; }
.uu-quad > div { padding: 14px 16px; border-radius: 14px; border: 1px solid var(--line); background: var(--paper); }
.uu-quad b { display: block; font: 900 13px/1 var(--f-mono); margin-bottom: 8px; letter-spacing: .04em; }
.uu-quad .s b { color: #2563EB; } .uu-quad .t b { color: var(--agent); } .uu-quad .d b { color: var(--brand-strong); } .uu-quad .f b { color: var(--figjam); }
.uu-page .uu-canvas .uu-quad p { margin: 0; font-size: var(--fs-sm); line-height: var(--lh-sm); }
@media (max-width: 767px) { .uu-quad { grid-template-columns: 1fr; } }
/* 語錄卡＋長條 */
.uu-quotes { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.uu-quotes blockquote { margin: 0; padding: 12px 14px; border-radius: 12px; background: var(--paper); border: 1px solid var(--line); border-left: 4px solid var(--qc, var(--brand)); font-size: 14px; line-height: 1.7; color: var(--ink); }
.uu-quotes blockquote cite { display: block; font-size: 12px; color: var(--ink-3); font-style: normal; margin-top: 4px; }
.uu-quotes [data-cat=trust] { --qc: var(--warn); } .uu-quotes [data-cat=cost] { --qc: var(--amber); } .uu-quotes [data-cat=idle] { --qc: var(--brand); } .uu-quotes [data-cat=info] { --qc: var(--agent); }
.uu-bars { display: grid; gap: 6px; margin-bottom: 14px; }
.uu-bars div { display: grid; grid-template-columns: 76px minmax(0,1fr) 24px; gap: 10px; align-items: center; font-size: 13px; font-weight: 700; color: var(--ink); }
.uu-bars i { display: block; height: 14px; border-radius: 7px; background: var(--bc); }
.uu-bars span:last-child { font: 900 13px/1 var(--f-mono); }
@media (max-width: 767px) { .uu-quotes { grid-template-columns: 1fr; } }
/* MVP 路線圖 */
.uu-rm { display: grid; grid-template-columns: minmax(0,.8fr) minmax(0,1.2fr); gap: 16px; align-items: start; }
.uu-rm-pick { display: grid; gap: 6px; }
.uu-rm-pick label { display: flex; align-items: center; gap: 10px; padding: 9px 12px; border-radius: 10px; border: 1px solid var(--line); background: var(--paper); font-size: 14px; cursor: pointer; margin: 0; }
.uu-rm-pick label small { margin-left: auto; font: 700 11px/1 var(--f-mono); color: var(--ink-3); }
.uu-rm-out { display: grid; grid-template-columns: minmax(0,1fr) auto minmax(0,1fr); gap: 10px; align-items: start; }
.rm-col { border-radius: 14px; padding: 12px; min-height: 160px; }
.rm-col.p0 { background: var(--brand-soft); }
.rm-col.p1 { background: var(--canvas); border: 1.5px dashed var(--line); }
.rm-h { margin-bottom: 8px; } .rm-h b { display: block; font-size: 14px; } .rm-h span { font-size: 11.5px; color: var(--ink-3); }
.rm-card { display: flex; align-items: center; gap: 8px; padding: 8px 10px; border-radius: 9px; background: #fff; margin-top: 6px; font-size: 13.5px; font-weight: 600; box-shadow: 0 6px 12px -10px rgba(0,0,0,.4); }
.rm-col.p1 .rm-card { background: transparent; border: 1.5px dashed #C3CDD1; box-shadow: none; }
.rm-card .t { width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; font-size: 11px; font-weight: 900; color: #fff; flex: none; }
.rm-card .t.small { background: var(--good); } .rm-card .t.medium { background: var(--amber); } .rm-card .t.large { background: var(--warn); }
.rm-arr { align-self: center; color: var(--ink-3); font-size: 20px; }
.rm-empty { font-size: 12.5px; color: var(--ink-3); margin: 8px 0 0; }
@media (max-width: 991px) { .uu-rm, .uu-rm-out { grid-template-columns: 1fr; } .rm-arr { transform: rotate(90deg); justify-self: center; } }
/* 資訊架構樹 */
.uu-tree { list-style: none; margin: 0; padding: 0; }
.uu-tree details { margin: 0; }
.uu-tree summary { list-style: none; cursor: pointer; display: inline-flex; align-items: center; gap: 8px; padding: 8px 12px; border-radius: 10px; background: var(--paper); border: 1.5px solid var(--line); font-weight: 700; font-size: 14.5px; margin: 4px 0; }
.uu-tree summary::-webkit-details-marker { display: none; }
.uu-tree summary::before { content: "\F285"; font-family: "bootstrap-icons"; font-size: 12px; transition: transform .2s; color: var(--brand-strong); }
.uu-tree details[open] > summary::before { transform: rotate(90deg); }
.uu-tree details[open] > summary { border-color: var(--brand); }
.uu-tree .root > summary { background: var(--tool); color: #fff; border-color: var(--tool); }
.uu-tree .kids { margin-left: 18px; padding-left: 16px; border-left: 2px solid var(--line); }
.uu-tree .leaf { display: block; padding: 6px 12px; margin: 4px 0; border-radius: 8px; background: var(--canvas); font-size: 13.5px; color: var(--ink-2); }
/* 故事地圖 */
.uu-story { display: grid; gap: 10px; }
.uu-story .row { display: grid; grid-template-columns: 92px minmax(0,1fr); gap: 10px; align-items: start; }
.uu-story .row > span { font: 700 11.5px/1.4 var(--f-mono); color: var(--ink-3); padding-top: 10px; }
.uu-story .cards { display: flex; flex-wrap: wrap; gap: 8px; }
.uu-story .cards i { font-style: normal; padding: 9px 12px; border-radius: 10px; font-size: 13.5px; font-weight: 600; background: #fff; border: 1px solid var(--line); }
.uu-story .bb .cards i { background: var(--ink); color: #fff; border-color: var(--ink); }
.uu-story .mvp .cards i { background: var(--brand-soft); border-color: #BFE8E5; }
.uu-story .later .cards i { border-style: dashed; color: var(--ink-3); }
/* 情緒曲線 */
.uu-curve { position: relative; height: 170px; border-radius: 14px; background: var(--canvas); margin-bottom: 12px; }
.uu-curve svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.uu-curve button { position: absolute; transform: translate(-50%, -50%); width: 30px; height: 30px; border-radius: 50%; border: 3px solid #fff; background: var(--ink-3); color: #fff; font: 900 12px/1 var(--f-mono); cursor: pointer; padding: 0; box-shadow: 0 4px 10px -4px rgba(0,0,0,.5); transition: transform .2s var(--ease), background .2s; }
.uu-curve button.is-on { background: var(--brand); transform: translate(-50%, -50%) scale(1.25); }
.uu-curve button[data-low]:not(.is-on) { background: var(--warn); }
.uu-curve .lbl { position: absolute; left: 12px; font: 700 10.5px/1 var(--f-mono); color: var(--ink-3); }
/* 逐步產生的流程 */
.uu-reveal { display: grid; gap: 0; justify-items: center; }
.uu-reveal [data-step] { display: none; }
.uu-reveal [data-step].is-shown { display: flex; animation: uuIn .4s var(--ease); }
.uu-reveal .nd { flex-direction: column; align-items: center; text-align: center; width: min(100%, 360px); padding: 12px 16px; border-radius: 12px; background: var(--paper); border: 1.5px solid var(--line); }
.uu-reveal .nd b { font-size: 14.5px; } .uu-reveal .nd small { font-size: 12.5px; color: var(--ink-3); line-height: 1.5; }
.uu-reveal .nd.start { background: var(--ink); border-color: var(--ink); color: #fff; } .uu-reveal .nd.start small { color: #A9AFB7; }
.uu-reveal .nd.end { background: var(--good-soft); border-color: #9FDDC3; }
.uu-reveal .nd.dec { border-color: var(--amber); background: var(--amber-soft); clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%); padding: 26px 50px; width: min(100%, 300px); }
.uu-reveal .nd.is-cur { border-color: var(--brand); box-shadow: 0 0 0 3px rgba(10,186,181,.2); }
.uu-reveal .ar { color: var(--ink-3); font-size: 18px; justify-content: center; padding: 2px 0; }
.uu-reveal-ctl { display: flex; gap: 8px; align-items: center; margin-top: 12px; flex-wrap: wrap; }
.uu-reveal.h { display: flex; flex-wrap: wrap; align-items: stretch; justify-content: flex-start; gap: 6px; }
.uu-reveal.h .ar { align-items: center; }
.uu-reveal.h .scr { flex-direction: column; gap: 6px; width: 132px; padding: 10px; border-radius: 16px; border: 2.5px solid var(--ink); background: #fff; }
.uu-reveal.h .scr .no { font: 900 11px/1 var(--f-mono); color: var(--brand-strong); }
.uu-reveal.h .scr b { font-size: 13px; line-height: 1.35; }
.uu-reveal.h .scr small { font-size: 11.5px; color: var(--ink-3); line-height: 1.5; }
.uu-reveal.h .scr.is-cur { border-color: var(--brand); box-shadow: 0 0 0 3px rgba(10,186,181,.2); }
/* 迷你線框稿 */
.uu-wfs { display: grid; grid-template-columns: repeat(6, minmax(0,1fr)); gap: 10px; }
.uu-wf { display: flex; flex-direction: column; gap: 8px; align-items: center; }
.uu-wf .ph { width: 100%; aspect-ratio: 9 / 17; border-radius: 14px; border: 2.5px solid var(--ink); background: #fff; padding: 10px 8px; display: flex; flex-direction: column; gap: 5px; }
.uu-wf .ph i { display: block; border-radius: 4px; background: #E3E8EB; height: 7px; }
.uu-wf .ph i.x { background: repeating-linear-gradient(45deg, #EEF2F3 0 5px, #fff 5px 10px); border: 1px dashed #B9C3C8; }
.uu-wf .ph i.b { background: var(--brand-soft); border: 1.5px solid var(--brand); height: 18px; margin-top: auto; }
.uu-wf b { font-size: 13px; } .uu-wf small { font-size: 11px; color: var(--ink-3); margin-top: -6px; }
@media (max-width: 991px) { .uu-wfs { grid-template-columns: repeat(3, minmax(0,1fr)); } }
/* 影片章節 */
.uu-video { display: grid; grid-template-columns: minmax(0,1.5fr) minmax(0,.8fr); gap: 16px; align-items: start; }
.uu-video .frame { position: relative; aspect-ratio: 16 / 9; border-radius: 12px; overflow: hidden; background: var(--tool); }
.uu-video .frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.uu-chapters { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 5px; max-height: 360px; overflow-y: auto; }
.uu-chapters button { width: 100%; display: flex; align-items: center; gap: 8px; text-align: left; font-size: 12.5px; line-height: 1.35; color: var(--ink); background: var(--canvas); border: 1px solid transparent; border-radius: 8px; padding: 6px 8px; cursor: pointer; font-family: var(--f-body); }
.uu-chapters button:hover { border-color: var(--brand); background: var(--brand-soft); }
.uu-chapters button.is-on { border-color: var(--agent); background: var(--agent-soft); }
.uu-chapters .t { flex: none; font: 700 11px/1 var(--f-mono); color: var(--brand-strong); min-width: 32px; }
@media (max-width: 991px) { .uu-video { grid-template-columns: 1fr; } }
.uu-vthumbs { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 12px; }
.uu-vthumbs a { display: block; color: var(--ink); font-size: 13.5px; font-weight: 700; }
.uu-vthumbs a span { display: block; position: relative; border-radius: 12px; overflow: hidden; margin-bottom: 6px; aspect-ratio: 16 / 9; background: var(--tool); }
.uu-vthumbs a span img { width: 100%; height: 100%; object-fit: cover; }
.uu-vthumbs a span::after { content: "\F4F4"; font-family: "bootstrap-icons"; position: absolute; left: 50%; top: 50%; width: 46px; height: 46px; margin: -23px 0 0 -23px; border-radius: 50%; background: rgba(255,255,255,.92); color: var(--brand-strong); display: grid; place-items: center; font-size: 22px; }
@media (max-width: 767px) { .uu-vthumbs { grid-template-columns: 1fr; } }
/* 案例卡（拾器） */
.uu-casechip { display: flex; align-items: center; gap: 14px; padding: 14px 18px; border-radius: 16px; border: 1.5px solid var(--brand); background: var(--brand-soft); }
.uu-casechip .mk { width: 48px; height: 48px; border-radius: 12px; background: var(--brand-grad); color: #fff; display: grid; place-items: center; font: 900 20px/1 var(--f-display); flex: none; }
.uu-casechip b { display: block; font-size: 16px; font-family: var(--f-display); } .uu-casechip span { font-size: 13px; color: var(--ink-2); }
.uu-reveal .nd { display: flex; gap: 2px; }
/* =========================================================
18. ui04 修正：兩案例色彩區分、影片外連、詞彙白話卡
========================================================= */
.uu-page .uu-refs a.c1 { background: var(--agent-soft); box-shadow: inset 4px 0 0 var(--agent); }
.uu-page .uu-refs a.c1 > i:first-child { color: var(--agent); }
.uu-page .uu-refs a.c2 { background: var(--brand-soft); box-shadow: inset 4px 0 0 var(--brand); }
.uu-refs a .ctag { flex: none; font: 700 10.5px/1 var(--f-mono); color: #fff; padding: 4px 7px; border-radius: 6px; background: var(--agent); }
.uu-refs a.c2 .ctag { background: var(--brand-strong); }
.uu-yt { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px; margin-top: 10px; font-size: 12.5px; color: var(--ink-3); }
.uu-yt a { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 700; color: #fff; background: #E62117; padding: 7px 12px; border-radius: 9px; }
.uu-yt a:hover { color: #fff; background: #C4170F; }
.uu-cats { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 10px; margin-bottom: 14px; }
.uu-cats > div { padding: 14px 16px; border-radius: 14px; background: var(--paper); border: 1px solid var(--line); border-top: 4px solid var(--cc); }
.uu-cats .r { --cc: #2563EB; } .uu-cats .d { --cc: var(--agent); } .uu-cats .o { --cc: var(--good); }
.uu-cats b { display: flex; align-items: center; gap: 8px; font-size: 16px; font-family: var(--f-display); color: var(--ink); }
.uu-cats b i { color: var(--cc); font-size: 18px; }
.uu-cats .q { display: block; font: 700 11px/1 var(--f-mono); color: var(--cc); letter-spacing: .06em; margin-bottom: 6px; }
.uu-page .uu-canvas .uu-cats p { margin: 6px 0 0; font-size: var(--fs-xs); line-height: var(--lh-xs); }
.uu-terms [data-cat=research] cite { background: #E3F0FF; color: #2563EB; }
.uu-terms [data-cat=define] cite { background: var(--agent-soft); color: var(--agent); }
.uu-terms [data-cat=output] cite { background: var(--good-soft); color: var(--good); }
.uu-terms summary small { font-size: 13.5px; color: var(--ink); }
.uu-terms dl { margin: 0 0 12px; padding-top: 10px; border-top: 1px dashed var(--line); display: grid; grid-template-columns: 72px minmax(0,1fr); gap: 8px 10px; }
.uu-terms dt { font: 700 12px/1.7 var(--f-mono); color: var(--ink-3); display: flex; gap: 5px; align-items: flex-start; }
.uu-terms dd { margin: 0; font-size: 13.5px; line-height: 1.7; color: var(--ink-2); }
.uu-terms dd a { font-weight: 700; }
@media (max-width: 767px) { .uu-cats { grid-template-columns: 1fr; } }
/* 封面縮短：讓上方空間多一點、各單元封面文字統一 */
.uu-hero { padding: 24px 32px; gap: 24px; margin-bottom: 36px; grid-template-columns: minmax(0,1.4fr) minmax(0,.6fr); }
.uu-page .uu-hero h1 { font-size: clamp(26px, 3vw, 38px); margin: 12px 0 8px; }
.uu-page .uu-canvas .uu-hero p.lead { font-size: 14.5px; line-height: 1.8; margin-bottom: 0; }
.uu-hero .meta { margin-top: 12px; }
.uu-hero .meta span { padding: 5px 10px; font-size: 12px; }
.uu-hero .cta { margin-top: 14px; }
.uu-hero .cta .uu-btn { padding: 8px 14px; font-size: 13.5px; }
.uu-device { width: 168px; height: 336px; border-radius: 30px; padding: 9px; }
.uu-device::before { top: 15px; width: 54px; height: 16px; margin-left: -27px; }
.uu-device .scr { border-radius: 22px; }
.uu-device .scr > div { padding: 34px 11px 11px; gap: 7px; }
.uu-device .hero-img { height: 80px !important; }
.uu-device .card { padding: 8px; }
.uu-device .av { width: 26px; height: 26px; }
.uu-device .cta-b { height: 32px; font-size: 11px; }
.uu-device-cap { right: -6px; bottom: 16px; font-size: 11.5px; padding: 7px 10px; }
/* ---------- 21／22. 學習路線、Layers 分段、章節結尾「下一章」（選用） ---------- */
.uu-layers li.grp { margin: 12px 4px 4px; padding: 0 6px; font: 800 11px/1.4 var(--f-mono); letter-spacing: .06em; color: var(--brand-strong); display: flex; align-items: center; gap: 6px; }
.uu-layers li.grp:first-child { margin-top: 2px; }
.uu-layers li.grp::after { content: ""; flex: 1; height: 1px; background: var(--line-2); }
.uu-path { display: grid; grid-template-columns: repeat(var(--n, 4), minmax(0,1fr)); gap: 12px; counter-reset: uupath; }
@media (max-width: 1199px) { .uu-path { grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (max-width: 600px) { .uu-path { grid-template-columns: 1fr; } }
.uu-path-card { position: relative; display: flex; flex-direction: column; gap: 6px; background: var(--paper); border: 1.5px solid var(--line); border-radius: 16px; padding: 16px 16px 14px; transition: border-color .2s, box-shadow .2s, transform .2s; }
.uu-path-card .st { display: flex; align-items: center; justify-content: space-between; font: 800 11px/1 var(--f-mono); letter-spacing: .08em; color: var(--ink-3); }
.uu-path-card .st b { display: inline-grid; place-items: center; width: 26px; height: 26px; border-radius: 8px; background: var(--canvas); color: var(--ink); font-size: 13px; margin-right: 6px; }
.uu-path-card h4 { font-size: 16px; font-weight: 900; margin: 4px 0 0; }
.uu-path-card p { font-size: 13px; line-height: 1.65; margin: 0; }
.uu-path-card .out { font-size: 12.5px; color: var(--ink-2); background: var(--canvas); border-radius: 8px; padding: 6px 9px; }
.uu-path-card .out b { color: var(--brand-strong); }
.uu-path-card ul { list-style: none; padding: 0; margin: 2px 0 4px; display: grid; gap: 2px; }
.uu-path-card li { margin: 0; font-size: 13px; }
.uu-path-card li a { color: var(--ink-2); display: flex; gap: 6px; padding: 2px 0; }
.uu-path-card li a:hover { color: var(--brand-strong); }
.uu-path-card li a i { font-style: normal; font: 700 11.5px/1.8 var(--f-mono); color: var(--ink-3); }
.uu-path-card .pfoot { margin-top: auto; display: flex; align-items: center; gap: 8px; }
.uu-path-card .pbar { flex: 1; height: 6px; border-radius: 3px; background: var(--line-2); overflow: hidden; }
.uu-path-card .pbar i { display: block; height: 100%; width: 0; background: var(--brand); transition: width .4s; }
.uu-path-card .pnum { font: 700 11px/1 var(--f-mono); color: var(--ink-3); }
.uu-path-card .go { align-self: flex-start; }
.uu-path-card.is-next { border-color: var(--brand); box-shadow: 0 18px 32px -24px rgba(6,122,118,.8); }
.uu-path-card.is-next .st b { background: var(--brand); color: #fff; }
.uu-path-card.is-next .st::after { content: "建議從這裡繼續"; font-size: 10.5px; color: var(--brand-strong); background: var(--brand-soft); padding: 4px 7px; border-radius: 6px; letter-spacing: 0; }
.uu-path-card.is-done .st b { background: var(--good); color: #fff; }
.uu-path-card.is-done .st::after { content: "✓ 完成"; font-size: 10.5px; color: var(--good); letter-spacing: 0; }
.uu-path-card.is-done .pbar i { background: var(--good); }
.uu-chnext { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-top: 26px; padding-top: 16px; border-top: 1px dashed var(--line); }
.uu-chnext .hint, .uu-chnext .ok { font-size: 13px; color: var(--ink-3); display: inline-flex; align-items: center; gap: 6px; }
.uu-chnext .ok { color: var(--good); font-weight: 800; }
/* =========================================================
25. 好讀好懂（2026-10-12）：章首「30 秒看懂」、閱讀設定、專注／精簡／大字
.uu-tldr 可用在任何單元：
30 秒看懂一句話
…
========================================================= */
.uu-tldr, .u1-tldr { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 10px; margin: 0 0 22px; }
.uu-tldr > div, .u1-tldr > div { display: flex; gap: 11px; align-items: flex-start; padding: 12px 14px; border-radius: 14px; background: var(--canvas); border: 1px solid var(--line-2); }
.uu-tldr i, .u1-tldr i { font-size: 18px; margin-top: 2px; flex: none; color: var(--brand-strong); }
.uu-tldr small, .u1-tldr small { display: block; font: 800 10.5px/1 var(--f-mono); letter-spacing: .08em; color: var(--ink-3); margin-bottom: 5px; text-transform: uppercase; }
.uu-tldr b, .u1-tldr b { display: block; font-size: 14.5px; line-height: 1.55; color: var(--ink); font-weight: 700; }
.uu-tldr > div:nth-child(2) i, .u1-tldr > div:nth-child(2) i { color: var(--agent); }
.uu-tldr > div:nth-child(3) i, .u1-tldr > div:nth-child(3) i { color: var(--figjam); }
@media (max-width: 767px) { .uu-tldr, .u1-tldr { grid-template-columns: 1fr; } }
.uu-pref { position: relative; }
.uu-pref-pop { position: absolute; right: 0; top: calc(100% + 8px); z-index: 120; width: 250px; padding: 14px 16px; border-radius: 14px; background: var(--paper); color: var(--ink); border: 1px solid var(--line); box-shadow: 0 24px 50px -20px rgba(0,0,0,.5); display: grid; gap: 6px; }
.uu-pref-pop[hidden] { display: none; }
.uu-pref-pop b { font: 800 12px/1.2 var(--f-body); color: var(--ink); margin-top: 6px; }
.uu-pref-pop b:first-child { margin-top: 0; }
.uu-pref-pop small { font-size: 12px; color: var(--ink-3); line-height: 1.5; }
.uu-pref-pop .seg { display: flex; gap: 4px; }
.uu-pref-pop .seg button { flex: 1; border: 1.5px solid var(--line); background: var(--paper); color: var(--ink-2); border-radius: 8px; padding: 7px 4px; font: 700 13px/1 var(--f-body); cursor: pointer; }
.uu-pref-pop .seg button.on { background: var(--ink); border-color: var(--ink); color: #fff; }
@media (max-width: 767px) { .uu-bar .uu-pref .tb-btn span { display: none; } .uu-pref-pop { position: fixed; left: 12px; right: 12px; top: calc(var(--hdr) + var(--bar) + 6px); width: auto; } }
/* 字級：大／特大（只改內文三級字級，不動模擬器內部） */
.uu-page.uu-fs-1 { --fs-body: 17px; --fs-sm: 15.5px; --fs-xs: 14px; --measure: 38em; }
.uu-page.uu-fs-2 { --fs-body: 19px; --fs-sm: 17px; --fs-xs: 15px; --measure: 34em; }
.uu-page.uu-fs-1 .uu-fh p, .uu-page.uu-fs-2 .uu-fh p { max-width: var(--measure); }
/* 專注模式：隱藏章節面板與 Figma 選取裝飾，內容置中 */
.uu-page.uu-focus .uu-layers { display: none; }
.uu-page.uu-focus .uu-shell { grid-template-columns: minmax(0,1fr); max-width: 1100px; }
.uu-page.uu-focus .uu-frame-label, .uu-page.uu-focus .uu-frame .hdl, .uu-page.uu-focus .uu-frame .dim { display: none; }
.uu-page.uu-focus .uu-canvas { background-image: none; }
.uu-page.uu-focus .tb-layers { display: none; }
/* 精簡模式：收起延伸補充、參考書目、圖說 */
.uu-page.uu-compact details.uu-more, .uu-page.uu-compact .uu-refs, .uu-page.uu-compact figcaption { display: none; }