@font-face {
  font-family: 'Montserrat';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(/fonts/Montserrat-400-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Montserrat';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(/fonts/Montserrat-400-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Montserrat';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(/fonts/Montserrat-500-latin-ext.woff2) format('woff2');
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}
@font-face {
  font-family: 'Montserrat';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(/fonts/Montserrat-500-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Montserrat';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(/fonts/Montserrat-600-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Montserrat';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(/fonts/Montserrat-600-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Playfair Display';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(/fonts/PlayfairDisplay-500-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Playfair Display';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(/fonts/PlayfairDisplay-500-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Playfair Display';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(/fonts/PlayfairDisplay-600-latin-ext.woff2) format('woff2');
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}
@font-face {
  font-family: 'Playfair Display';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(/fonts/PlayfairDisplay-600-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Playfair Display';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url(/fonts/PlayfairDisplay-700-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Playfair Display';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url(/fonts/PlayfairDisplay-700-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Noto Naskh Arabic';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(/fonts/NotoNaskhArabic-600-arabic.woff2) format('woff');
  unicode-range: U+0600-06FF, U+0750-077F, U+0870-0891, U+0897-08E1, U+08E3-08FF, U+200C-200E, U+2010-2011, U+204F, U+2E41, U+FB50-FDFF, U+FE70-FE74, U+FE76-FEFC, U+102E0-102FB, U+10E60-10E7E, U+10EC2-10EC7, U+10EC9-10EEE, U+10EF0-10EFF, U+1EE00-1EE03, U+1EE05-1EE1F, U+1EE21-1EE22, U+1EE24, U+1EE27, U+1EE29-1EE32, U+1EE34-1EE37, U+1EE39, U+1EE3B, U+1EE42, U+1EE47, U+1EE49, U+1EE4B, U+1EE4D-1EE4F, U+1EE51-1EE52, U+1EE54, U+1EE57, U+1EE59, U+1EE5B, U+1EE5D, U+1EE5F, U+1EE61-1EE62, U+1EE64, U+1EE67-1EE6A, U+1EE6C-1EE72, U+1EE74-1EE77, U+1EE79-1EE7C, U+1EE7E, U+1EE80-1EE89, U+1EE8B-1EE9B, U+1EEA1-1EEA3, U+1EEA5-1EEA9, U+1EEAB-1EEBB, U+1EEF0-1EEF1;
}
@font-face {
  font-family: 'Noto Sans Arabic';
  font-style: normal;
  font-weight: 400;
  font-stretch: 100%;
  font-display: swap;
  src: url(/fonts/NotoSansArabic-400-arabic.woff2) format('woff2');
  unicode-range: U+0600-06FF, U+0750-077F, U+0870-0891, U+0897-08E1, U+08E3-08FF, U+200C-200E, U+2010-2011, U+204F, U+2E41, U+FB50-FDFF, U+FE70-FE74, U+FE76-FEFC, U+102E0-102FB, U+10E60-10E7E, U+10EC2-10EC7, U+10EC9-10EEE, U+10EF0-10EFF, U+1EE00-1EE03, U+1EE05-1EE1F, U+1EE21-1EE22, U+1EE24, U+1EE27, U+1EE29-1EE32, U+1EE34-1EE37, U+1EE39, U+1EE3B, U+1EE42, U+1EE47, U+1EE49, U+1EE4B, U+1EE4D-1EE4F, U+1EE51-1EE52, U+1EE54, U+1EE57, U+1EE59, U+1EE5B, U+1EE5D, U+1EE5F, U+1EE61-1EE62, U+1EE64, U+1EE67-1EE6A, U+1EE6C-1EE72, U+1EE74-1EE77, U+1EE79-1EE7C, U+1EE7E, U+1EE80-1EE89, U+1EE8B-1EE9B, U+1EEA1-1EEA3, U+1EEA5-1EEA9, U+1EEAB-1EEBB, U+1EEF0-1EEF1;
}
@font-face {
  font-family: 'Noto Sans Arabic';
  font-style: normal;
  font-weight: 500;
  font-stretch: 100%;
  font-display: swap;
  src: url(/fonts/NotoSansArabic-500-arabic.woff2) format('woff2');
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}
@font-face {
  font-family: 'Noto Sans Arabic';
  font-style: normal;
  font-weight: 600;
  font-stretch: 100%;
  font-display: swap;
  src: url(/fonts/NotoSansArabic-600-arabic.woff2) format('woff2');
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}
:root{
  --ivory:#FBF7EE; --paper:#FFFDF8; --ink:#2B2620; --muted:#6B6358; --line:#E7DFCF; --sand:#F6EFE0;
  --orange:#F17E37; --orange-soft:#FBAA58; --orange-deep:#C85F1D;
  --radius:10px; --chrome:300px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--ivory);color:var(--ink);font-family:"Montserrat",system-ui,"Noto Sans Arabic","Noto Sans SC","Noto Sans TC",sans-serif;font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased}
body.no-scroll{overflow:hidden}
h1,h2,h3{font-family:"Playfair Display",Georgia,"Noto Naskh Arabic","Noto Serif SC","Noto Serif TC",serif;font-weight:600;line-height:1.25;margin:0 0 .5em}
a{color:var(--orange-deep)}
kbd{font:inherit}
.skip{position:absolute;inset-inline-start:-999px;top:0;background:#fff;padding:.5rem 1rem;z-index:99}
.skip:focus{inset-inline-start:1rem}
:focus-visible{outline:3px solid var(--orange);outline-offset:2px}

/* ---------- header ---------- */
.site-header{display:flex;align-items:center;gap:1rem;padding:.55rem clamp(1rem,3vw,2.5rem);border-bottom:1px solid var(--line);background:var(--paper)}
.brand{display:flex;align-items:center;gap:.8rem;text-decoration:none;color:var(--ink);margin-inline-end:auto}
.brand img{height:38px;width:auto;display:block}
.brand span{font-family:"Playfair Display",Georgia,serif;font-size:1.05rem;font-weight:600;border-inline-start:1px solid var(--line);padding-inline-start:.8rem}
.qsearch{display:flex;align-items:center;gap:.6rem;width:min(340px,40vw);font:inherit;font-size:.88rem;color:var(--muted);background:var(--ivory);border:1px solid var(--line);border-radius:10px;padding:.5rem .75rem;cursor:pointer;text-align:start}
.qsearch:hover{border-color:var(--orange-soft);background:#fff}
.qsearch span{flex:1}
.kbd{font-size:.72rem;color:var(--muted);border:1px solid var(--line);background:var(--paper);border-radius:6px;padding:.05rem .4rem;line-height:1.5;white-space:nowrap}
.lang{display:flex;align-items:center;gap:.5rem;font-size:.8rem;color:var(--muted)}
.lang select{font:inherit;color:var(--ink);background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:.4rem .6rem}

main{max-width:1040px;margin:0 auto;padding:clamp(1rem,2.5vw,2rem) clamp(1rem,3vw,2.5rem) 2.5rem}
footer{border-top:1px solid var(--line);color:var(--muted);text-align:center;padding:1.2rem 1rem;font-size:.8rem;background:var(--paper)}

/* ---------- home ---------- */
.hero{text-align:center;padding:1.2rem 0 .4rem}
.hero h1{font-size:clamp(1.8rem,4vw,2.5rem);margin-bottom:.2em}
.hero p{max-width:56ch;margin:0 auto;color:var(--muted)}
.rule{width:56px;height:3px;background:var(--orange);border:0;margin:.8rem auto 1rem;border-radius:2px}
.bigsearch{display:flex;align-items:center;gap:.8rem;width:min(640px,100%);margin:1.4rem auto 0;font:inherit;font-size:1rem;color:var(--muted);background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:.95rem 1.1rem;cursor:pointer;text-align:start;box-shadow:0 8px 28px rgba(60,40,10,.07);transition:border-color .15s,box-shadow .15s}
.bigsearch:hover{border-color:var(--orange-soft);box-shadow:0 10px 32px rgba(60,40,10,.12)}
.bigsearch span{flex:1}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1rem;margin:2rem 0 0;padding:0;list-style:none}
.card{display:flex;flex-direction:column;height:100%;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;text-decoration:none;color:inherit;transition:transform .2s,box-shadow .2s,border-color .2s}
.card:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(60,40,10,.10);border-color:var(--orange-soft)}
.card img{width:100%;aspect-ratio:2.4/1;object-fit:cover;object-position:top;border-bottom:1px solid var(--line);background:#fff}
.card div{padding:.9rem 1.1rem 1.1rem}
.card h2{font-size:1.1rem;margin-bottom:.3rem}
.card p{margin:0 0 .6rem;color:var(--muted);font-size:.85rem}
.card small{color:var(--orange-deep);font-weight:600;letter-spacing:.05em;text-transform:uppercase;font-size:.68rem}

/* ---------- guide page ---------- */
.layout{display:block}
.side{display:none}
.col{min-width:0}
.crumbs{font-size:.78rem;margin-bottom:.3rem}
.guide-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.6rem 1rem;margin-bottom:.9rem}
.guide-head h1{font-size:clamp(1.3rem,2.6vw,1.75rem);margin:0}
.intro{color:var(--muted);margin:.15rem 0 0;font-size:.85rem;max-width:70ch}
.btn{display:inline-flex;align-items:center;gap:.4rem;font:inherit;font-weight:500;font-size:.85rem;padding:.5rem 1.05rem;border-radius:999px;border:1px solid var(--line);background:var(--paper);color:var(--ink);cursor:pointer;text-decoration:none;transition:background .15s,border-color .15s}
.btn.small{font-size:.76rem;padding:.35rem .85rem}
.btn:hover:not(:disabled){border-color:var(--orange-soft);background:#fff}
.btn:disabled{opacity:.4;cursor:not-allowed}
.btn.primary{background:var(--orange);border-color:var(--orange);color:#fff}
.btn.primary:hover:not(:disabled){background:var(--orange-deep);border-color:var(--orange-deep)}

.player{background:var(--paper);border:1px solid var(--line);border-radius:14px;box-shadow:0 10px 32px rgba(60,40,10,.07);overflow:hidden}
/* the screenshot is sized so the whole step (image, caption, buttons) fits on one screen */
.stage{position:relative;overflow:hidden;background:#fff;line-height:0;direction:ltr;margin:0 auto;border-bottom:1px solid var(--line);
  width:min(100%,max(var(--minw,520px),calc((100vh - var(--chrome)) * var(--ar,2))))}
.stage img{width:100%;height:auto;display:block}
.hotspot{position:absolute;transform:translate(-50%,-50%);border:2.5px solid var(--orange);border-radius:10px;background:rgba(241,126,55,.16);cursor:pointer;padding:0;animation:pulse 1.8s ease-out infinite;z-index:2}
.hotspot.round{border-radius:50%}
.hotspot.nudge{animation:nudge .5s ease,pulse 1.8s ease-out .5s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(241,126,55,.55)}70%{box-shadow:0 0 0 14px rgba(241,126,55,0)}100%{box-shadow:0 0 0 0 rgba(241,126,55,0)}}
@keyframes nudge{0%,100%{transform:translate(-50%,-50%) scale(1)}30%{transform:translate(-50%,-50%) scale(1.35)}60%{transform:translate(-50%,-50%) scale(.95)}}
.spot{position:absolute;transform:translate(-50%,-50%);border-radius:10px;pointer-events:none;display:none;box-shadow:0 0 0 9999px rgba(25,20,12,.55);z-index:1}
.spot.round{border-radius:50%}
.callout{position:absolute;z-index:3;font:inherit;font-weight:600;font-size:.78rem;line-height:1.2;color:#fff;background:var(--orange-deep);border:0;padding:.45rem .8rem;border-radius:8px;box-shadow:0 6px 18px rgba(0,0,0,.25);cursor:pointer;white-space:nowrap}
.callout:hover{background:#a84c14}
.callout[hidden],.hotspot[hidden]{display:none}

.caption{padding:.8rem 1.1rem .2rem;display:flex;gap:.8rem;align-items:center}
.num{flex:none;width:2rem;height:2rem;border-radius:50%;background:var(--orange);color:#fff;display:grid;place-items:center;font-weight:600;font-size:.9rem;font-family:"Playfair Display",serif}
.caption p{margin:0;font-size:1rem;font-weight:500}
.controls{display:flex;align-items:center;gap:1rem;flex-wrap:wrap;padding:.5rem 1.1rem .9rem}
.progress{color:var(--muted);font-size:.78rem;white-space:nowrap}
.dots{display:flex;gap:.35rem;flex-wrap:wrap;flex:1;min-width:120px}
.dot{width:9px;height:9px;border-radius:50%;border:0;padding:0;background:var(--line);cursor:pointer}
.dot[aria-current=step]{background:var(--orange);transform:scale(1.35)}
.dot.seen{background:var(--orange-soft)}
.nav{display:flex;gap:.5rem;margin-inline-start:auto}
[dir=rtl] .nav .arrow{transform:scaleX(-1)}
.hint{color:var(--muted);font-size:.74rem;margin:.6rem 0 0;text-align:center}
.steplist{margin-top:1.5rem}
.steplist ol{padding-inline-start:1.4rem;color:var(--muted)}
.review-bar{position:fixed;inset-inline-end:14px;bottom:14px;z-index:60;display:flex;align-items:center;gap:.35rem;background:#2B2620;color:#fff;border-radius:999px;padding:.35rem .5rem .35rem .9rem;font-size:.75rem;box-shadow:0 8px 24px rgba(0,0,0,.3)}
.review-bar button{width:28px;height:28px;border-radius:50%;border:0;background:#4a433a;color:#fff;font:inherit;font-weight:600;cursor:pointer}
.review-bar button.on{background:var(--orange)}

/* ---------- design 1: compact (default) ---------- */
html[data-d="1"] .player .caption p{font-size:1rem}

/* ---------- design 2: sidebar ---------- */
html[data-d="2"]{--chrome:250px}
html[data-d="2"] main{max-width:1400px}
html[data-d="2"] .layout{display:grid;grid-template-columns:270px minmax(0,1fr);gap:1.5rem;align-items:start}
html[data-d="2"] .side{display:block;position:sticky;top:1rem;background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:1rem .9rem;max-height:calc(100vh - 2rem);overflow:auto}
html[data-d="2"] .side h2{font-family:"Montserrat",sans-serif;font-size:.68rem;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);margin:.2rem .4rem .5rem}
html[data-d="2"] .side ul,html[data-d="2"] .side ol{list-style:none;margin:0 0 1.1rem;padding:0}
html[data-d="2"] .guide-links a{display:block;padding:.45rem .6rem;border-radius:8px;text-decoration:none;color:var(--ink);font-size:.85rem}
html[data-d="2"] .guide-links a:hover{background:var(--sand)}
html[data-d="2"] .guide-links a[aria-current]{background:var(--sand);font-weight:600;box-shadow:inset 3px 0 0 var(--orange)}
[dir=rtl] html[data-d="2"] .guide-links a[aria-current]{box-shadow:inset -3px 0 0 var(--orange)}
html[data-d="2"] .step-links{counter-reset:s}
html[data-d="2"] .step-links li{counter-increment:s}
html[data-d="2"] .step-links button{display:flex;gap:.55rem;width:100%;text-align:start;font:inherit;font-size:.8rem;line-height:1.35;color:var(--muted);background:none;border:0;border-radius:8px;padding:.4rem .6rem;cursor:pointer}
html[data-d="2"] .step-links button::before{content:counter(s);flex:none;width:1.4rem;height:1.4rem;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;font-size:.7rem;font-weight:600;background:var(--ivory)}
html[data-d="2"] .step-links button:hover{background:var(--sand)}
html[data-d="2"] .step-links .seen button::before{background:var(--orange-soft);border-color:var(--orange-soft);color:#fff}
html[data-d="2"] .step-links .current button{color:var(--ink);font-weight:600;background:var(--sand)}
html[data-d="2"] .step-links .current button::before{background:var(--orange);border-color:var(--orange);color:#fff}
html[data-d="2"] .dots{display:none}
html[data-d="2"] .progress{order:0}

/* ---------- design 3: spotlight ---------- */
html[data-d="3"]{--chrome:310px}
html[data-d="3"] main{max-width:1180px}
html[data-d="3"] .player{background:#1F1B16;border-color:#1F1B16;box-shadow:0 18px 50px rgba(30,20,5,.28)}
html[data-d="3"] .stage{border-bottom:0}
html[data-d="3"] .spot.on{display:block}
html[data-d="3"] .caption p{color:#F5EFE2;font-size:1.05rem}
html[data-d="3"] .progress{color:#BDB3A2}
html[data-d="3"] .dot{background:#4A433A}
html[data-d="3"] .dot.seen{background:#9B6A3E}
html[data-d="3"] .dot[aria-current=step]{background:var(--orange)}
html[data-d="3"] .btn{background:#2C2620;color:#F5EFE2;border-color:#40382F}
html[data-d="3"] .btn:hover:not(:disabled){background:#3a322a;border-color:var(--orange-soft)}
html[data-d="3"] .btn.primary{background:var(--orange);border-color:var(--orange);color:#fff}

/* ---------- search palette ---------- */
.palette{position:fixed;inset:0;z-index:100;background:rgba(43,38,32,.38);backdrop-filter:blur(3px);display:flex;justify-content:center;align-items:flex-start;padding:10vh 1rem 1rem}
.palette[hidden]{display:none}
.palette-panel{width:min(640px,100%);max-height:78vh;display:flex;flex-direction:column;background:var(--paper);border:1px solid var(--line);border-radius:14px;box-shadow:0 24px 70px rgba(30,20,5,.35);overflow:hidden}
.palette-top{display:flex;align-items:center;gap:.8rem;padding:.9rem 1.1rem;border-bottom:1px solid var(--line);color:var(--muted)}
.palette-top input{flex:1;min-width:0;border:0;outline:0;background:none;font:inherit;font-size:1.1rem;color:var(--ink)}
.palette-top .esc{font:inherit;font-size:.72rem;color:var(--muted);border:1px solid var(--line);border-radius:6px;background:var(--ivory);padding:.15rem .5rem;cursor:pointer}
.palette-list{overflow:auto;padding:.4rem .6rem .6rem}
.palette-list h3{font-family:"Montserrat",sans-serif;font-size:.8rem;font-weight:600;color:var(--muted);margin:.7rem .5rem .35rem}
.palette-item{display:flex;align-items:center;gap:.8rem;padding:.6rem .7rem;border-radius:9px;cursor:pointer}
.palette-item.active{background:var(--sand)}
.palette-item .ico{color:var(--muted);flex:none;display:grid}
.palette-item .txt{flex:1;min-width:0;display:flex;flex-direction:column;line-height:1.35}
.palette-item b{font-weight:500;font-size:.95rem}
.palette-item .crumb{font-size:.76rem;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.palette-item .crumb i{font-style:normal;margin:0 .2rem}
.palette-item .go{opacity:0;color:var(--muted);display:grid}
[dir=rtl] .palette-item .go svg{transform:scaleX(-1)}
.palette-item.active .go{opacity:1}
mark{background:rgba(241,126,55,.35);color:inherit;border-radius:3px;padding:0 1px}
.palette-empty{color:var(--muted);text-align:center;padding:2rem 1rem;margin:0}
.palette-foot{display:flex;gap:1.2rem;padding:.6rem 1.1rem;border-top:1px solid var(--line);background:var(--sand);font-size:.76rem;color:var(--muted)}
.palette-foot kbd{display:inline-block;min-width:1.5rem;text-align:center;border:1px solid var(--line);background:var(--paper);border-radius:5px;margin-inline-end:.25rem;padding:0 .3rem}

/* ---------- small screens ---------- */
@media (max-width:900px){
  html[data-d="2"] .layout{grid-template-columns:1fr}
  html[data-d="2"] .side{position:static;max-height:none;order:2}
}
@media (max-width:640px){
  .brand span,.lang span{display:none}
  .site-header{flex-wrap:wrap;gap:.5rem}
  .qsearch{order:3;width:100%}
  .kbd{display:none}
  .stage{width:100%}
  .callout{font-size:.7rem;padding:.3rem .55rem}
  .nav{width:100%;justify-content:space-between}
  .palette{padding-top:4vh}
}
@media (prefers-reduced-motion:reduce){.hotspot{animation:none}html{scroll-behavior:auto}.card{transition:none}}

/* ---------- language-specific typography ---------- */
html[lang="zh-Hans"] body,html[lang="zh-Hans"] .palette-top input{font-family:"Montserrat","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif}
html[lang="zh-Hans"] h1,html[lang="zh-Hans"] h2,html[lang="zh-Hans"] h3,html[lang="zh-Hans"] .brand span,html[lang="zh-Hans"] .num{font-family:"Playfair Display","Songti SC","Noto Serif SC","SimSun",serif}
html[lang="zh-Hant"] body,html[lang="zh-Hant"] .palette-top input{font-family:"Montserrat","PingFang TC","PingFang HK","Microsoft JhengHei","Noto Sans TC",sans-serif}
html[lang="zh-Hant"] h1,html[lang="zh-Hant"] h2,html[lang="zh-Hant"] h3,html[lang="zh-Hant"] .brand span,html[lang="zh-Hant"] .num{font-family:"Playfair Display","Songti TC","Noto Serif TC","PMingLiU",serif}
html[lang="ar"] body,html[lang="ar"] .palette-top input,html[lang="ar"] .palette-list h3{font-family:"Noto Sans Arabic","Montserrat","Segoe UI",Tahoma,sans-serif;line-height:1.75}
html[lang="ar"] h1,html[lang="ar"] h2,html[lang="ar"] h3,html[lang="ar"] .brand span{font-family:"Noto Naskh Arabic","Playfair Display",serif;font-weight:600;line-height:1.5}
html[lang="ar"] .num{font-family:"Noto Sans Arabic",sans-serif}
html[lang="zh-Hans"] .card small,html[lang="zh-Hant"] .card small,html[lang="ar"] .card small{text-transform:none;letter-spacing:0}
.screen-note{color:var(--muted);font-size:.78rem;margin:.1rem 0 0}
[dir=rtl] .nav{margin-inline-start:auto}

.kbd{direction:ltr;unicode-bidi:isolate}

.marks{position:absolute;inset:0;pointer-events:none}
.marks .hotspot{pointer-events:auto}
.cat{margin-top:2.2rem}
.cat-title{font-size:1.3rem;margin:0 0 .2rem;padding-bottom:.45rem;border-bottom:1px solid var(--line)}
.cat .cards{margin-top:1rem}

.stage video{width:100%;height:auto;display:block;background:#fff;cursor:pointer}
.stage video[hidden],.stage img[hidden]{display:none}

/* ---- home: guides by category (collapsible lists) ---- */
.catbar{display:flex;gap:.5rem;justify-content:flex-end;margin:1.4rem 0 .5rem}
.catbar button{font:inherit;font-size:.78rem;color:var(--muted);background:transparent;border:1px solid var(--line);border-radius:999px;padding:.2rem .8rem;cursor:pointer}
.catbar button:hover{border-color:var(--orange-soft);color:var(--ink)}
details.catbox{background:var(--paper);border:1px solid var(--line);border-radius:12px;margin:.5rem 0;overflow:hidden}
details.catbox>summary{display:flex;align-items:center;gap:.7rem;padding:.8rem 1.1rem;cursor:pointer;list-style:none;font-family:"Playfair Display",Georgia,"Noto Naskh Arabic","Noto Serif SC","Noto Serif TC",serif;font-size:1.08rem;font-weight:600}
details.catbox>summary::-webkit-details-marker{display:none}
details.catbox>summary::before{content:"";width:.5rem;height:.5rem;border-right:2px solid var(--orange-deep);border-bottom:2px solid var(--orange-deep);transform:rotate(-45deg);transition:transform .15s;flex:none}
[dir=rtl] details.catbox>summary::before{transform:rotate(135deg)}
details.catbox[open]>summary::before{transform:rotate(45deg)}
details.catbox[open]>summary{background:var(--sand);border-block-end:1px solid var(--line)}
details.catbox .ct{flex:1}
details.catbox .cn{font-family:"Montserrat",system-ui,sans-serif;font-size:.74rem;font-weight:600;color:var(--muted);background:var(--sand);border-radius:999px;padding:.05rem .6rem}
details.catbox[open] .cn{background:var(--paper)}
ul.glist{list-style:none;margin:0;padding:0}
ul.glist li+li{border-block-start:1px solid var(--line)}
a.grow{display:flex;align-items:center;gap:1rem;padding:.65rem 1.1rem;color:inherit;text-decoration:none}
a.grow:hover{background:#fff6ea}
a.grow .gt{flex:1;min-width:0;display:flex;flex-direction:column}
a.grow .gt b{font-weight:600;font-size:.95rem}
a.grow .gt small{color:var(--muted);font-size:.8rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
a.grow .gn{flex:none;color:var(--orange-deep);font-size:.74rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase}
html[lang="zh-Hans"] a.grow .gn,html[lang="zh-Hant"] a.grow .gn,html[lang="ar"] a.grow .gn{text-transform:none;letter-spacing:0}
@media (max-width:640px){a.grow{padding:.6rem .8rem}a.grow .gn{display:none}}