@font-face{font-family:'Akzidenz Cn';font-weight:500;font-style:normal;font-display:swap;src:url(font/akzidenz-grotesk-md-cn-500.woff2) format('woff2')}
@font-face{font-family:'Akzidenz Cn';font-weight:700;font-style:normal;font-display:swap;src:url(font/akzidenz-grotesk-bol-cn-700.woff2) format('woff2')}
@font-face{font-family:'Montserrat';font-weight:500;font-style:normal;font-display:swap;src:url(font/montserrat-500-latinext.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-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:'Montserrat';font-weight:500;font-style:normal;font-display:swap;src:url(font/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}

:root{
  --navy:#001645; --navy-deep:#000d29; --navy-ink:#00061a;
  --orange:#F26522; --orange-hi:#ff8b4d; --cream:#f6f1e8;
  --fg:#eef2ff; --muted:rgba(238,242,255,.64); --line:rgba(238,242,255,.14);
  --glass:rgba(0,22,69,.72);
  --font-display:'Akzidenz Cn','Arial Narrow','Helvetica Neue',sans-serif;
  --font-ui:'Montserrat','Helvetica Neue',Helvetica,sans-serif;
  --head:56px; --foot:64px; --gutter:12px; --pad:10px; --gap:14px;
  --r:0.70695; --cap:636px;
  --sat:env(safe-area-inset-top,0px); --sab:env(safe-area-inset-bottom,0px);
  --sal:env(safe-area-inset-left,0px); --sar:env(safe-area-inset-right,0px);
  --ease:cubic-bezier(.2,.7,.2,1);
}
@media (min-width:900px){:root{--head:64px;--foot:72px;--gutter:28px;--pad:18px;--gap:28px}}

*,*::before,*::after{box-sizing:border-box}
html{height:100%;-webkit-text-size-adjust:100%}
html{height:100%;touch-action:manipulation;background:var(--navy-ink)}
body{position:static;width:100%;min-height:100vh;min-height:100lvh;height:auto;overflow:visible;touch-action:manipulation}
:root{--vh:100dvh}
body{margin:0;background:var(--navy-ink);color:var(--fg);font:500 14px/1.4 var(--font-ui);-webkit-font-smoothing:antialiased}
body::before{content:'';position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(120% 90% at 50% 110%, rgba(242,101,34,.16), transparent 55%),
    radial-gradient(80% 70% at 50% 0%, #0b2a73 0%, var(--navy) 42%, var(--navy-ink) 100%)}
body::after{content:'';position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.055;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
.rays{position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.07;
  background:linear-gradient(112deg,transparent 0 62%,var(--cream) 62% 62.6%,transparent 62.6% 70%,var(--cream) 70% 70.3%,transparent 70.3%)}

.sr-only{position:absolute!important;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
a{color:inherit}
button{font:inherit;color:inherit;background:none;border:0;padding:0;margin:0;cursor:pointer;-webkit-tap-highlight-color:transparent;touch-action:manipulation}
:focus-visible{outline:3px solid var(--orange-hi);outline-offset:2px;border-radius:6px}
.skip{position:fixed;top:-60px;left:12px;z-index:100;background:var(--orange);color:#1a0b00;padding:10px 14px;border-radius:8px;font-weight:700;transition:top .2s}
.skip:focus{top:calc(10px + var(--sat))}

/* ---------- chrome ---------- */
.head,.foot{position:fixed;left:0;right:0;z-index:20;display:flex;align-items:center;
  background:linear-gradient(to bottom,rgba(0,13,41,.92),rgba(0,13,41,.72));backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  transition:transform .42s var(--ease),opacity .3s}
.head{top:0;height:calc(var(--head) + var(--sat));padding:var(--sat) calc(var(--gutter) + var(--sar)) 0 calc(var(--gutter) + var(--sal));gap:8px;border-bottom:1px solid var(--line)}
.foot{bottom:0;height:calc(var(--foot) + var(--sab));padding:0 calc(var(--gutter) + var(--sar)) var(--sab) calc(var(--gutter) + var(--sal));gap:12px;border-top:1px solid var(--line);flex-direction:column;justify-content:center;gap:6px}
.brand{display:flex;align-items:center;gap:10px;min-width:0;flex:1 1 auto}
.brand .logo{display:block;flex:0 0 auto;line-height:0;margin-bottom:5px}
.brand .logo img{display:block;height:17px;width:auto}
.other{flex:0 0 auto;display:none;align-items:center;padding:8px 12px;border-radius:8px;border:1px solid rgba(242,101,34,.5);font:700 12px/1 var(--font-display);letter-spacing:.1em;text-transform:uppercase;color:var(--orange-hi);text-decoration:none;white-space:nowrap;transition:background .2s}
.other:hover{background:rgba(242,101,34,.18)}
@media (min-width:760px){.other{display:inline-flex}}
.brand .t{display:flex;flex-direction:column;min-width:0;line-height:1.05;overflow:hidden}
.brand .t b{font:700 20px/1 var(--font-display);letter-spacing:.01em;text-transform:uppercase;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand .t small{font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--orange-hi);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

.counter{font:700 18px/1 var(--font-display);letter-spacing:.04em;padding:8px 10px;border-radius:8px;border:1px solid var(--line);min-width:88px;text-align:center;flex:0 0 auto;transition:background .2s,border-color .2s}
.counter:hover{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.3)}
.counter em{font-style:normal;color:var(--orange-hi)}
.counter span{color:var(--muted);font-size:14px;margin:0 3px}
.tools{display:flex;align-items:center;gap:2px;flex:0 0 auto}
.ib{width:44px;height:44px;display:inline-grid;place-items:center;border-radius:10px;color:var(--fg);transition:background .2s,color .2s,transform .2s}
.ib svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.ib:hover{background:rgba(255,255,255,.08)}
.ib:active{transform:scale(.92)}
.ib[aria-pressed="true"],.ib.on{background:rgba(242,101,34,.18);color:var(--orange-hi)}
.ib.desk{display:none}
@media (min-width:640px){.ib.desk{display:inline-grid}.ib.more{display:none}}
.menu{position:fixed;z-index:30;right:calc(var(--gutter) + var(--sar));top:calc(var(--head) + var(--sat) + 6px);background:#031c56;border:1px solid var(--line);border-radius:12px;padding:6px;min-width:220px;box-shadow:0 20px 50px rgba(0,0,0,.5);display:none}
.menu[data-open="true"]{display:block}
.menu button,.menu a{display:flex;align-items:center;gap:12px;width:100%;padding:11px 12px;border-radius:8px;text-decoration:none;font-size:14px;text-align:left}
.menu button:hover,.menu a:hover{background:rgba(255,255,255,.08)}
.menu svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;flex:0 0 auto}
.menu kbd{margin-left:auto;font:500 11px var(--font-ui);color:var(--muted);border:1px solid var(--line);border-radius:4px;padding:1px 5px}

/* progress / scrubber */
.scrub{width:100%;max-width:980px;margin:0 auto;display:flex;align-items:center;gap:14px}
.scrub .lbl{font:700 13px/1 var(--font-display);letter-spacing:.08em;color:var(--muted);flex:0 0 auto;text-transform:uppercase}
.scrub input[type=range]{-webkit-appearance:none;appearance:none;flex:1 1 auto;height:28px;background:transparent;margin:0;cursor:pointer}
.scrub input[type=range]::-webkit-slider-runnable-track{height:4px;border-radius:2px;background:linear-gradient(to right,var(--orange) 0 var(--p,0%),rgba(255,255,255,.18) var(--p,0%) 100%)}
.scrub input[type=range]::-moz-range-track{height:4px;border-radius:2px;background:rgba(255,255,255,.18)}
.scrub input[type=range]::-moz-range-progress{height:4px;border-radius:2px;background:var(--orange)}
.scrub input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:18px;height:18px;margin-top:-7px;border-radius:50%;background:var(--cream);border:3px solid var(--orange);box-shadow:0 2px 10px rgba(0,0,0,.5);transition:transform .15s}
.scrub input[type=range]::-moz-range-thumb{width:12px;height:12px;border-radius:50%;background:var(--cream);border:3px solid var(--orange);box-shadow:0 2px 10px rgba(0,0,0,.5)}
.scrub input[type=range]:hover::-webkit-slider-thumb,.scrub input[type=range]:focus-visible::-webkit-slider-thumb{transform:scale(1.2)}
.scrub input[type=range]:focus-visible{outline:none}
.scrub input[type=range]:focus-visible::-webkit-slider-thumb{box-shadow:0 0 0 4px rgba(255,139,77,.55)}
.credit{display:flex;align-items:center;justify-content:center;gap:14px;font:700 10.5px/1 var(--font-display);letter-spacing:.18em;text-transform:uppercase;color:var(--orange-hi);white-space:nowrap}
.credit .hint{font:500 11px/1 var(--font-ui);letter-spacing:.04em;text-transform:none;color:var(--muted);display:none}
@media (min-width:900px){.credit .hint{display:inline}.credit .hint::before{content:'·';margin-right:14px;color:var(--line)}}

/* ---------- stage / flipbook ---------- */
.stage{position:fixed;z-index:5;left:0;right:0;top:calc(var(--head) + var(--sat));bottom:calc(var(--foot) + var(--sab));
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;--extras:0px;
  padding:var(--pad) calc(var(--gutter) + var(--sar)) var(--pad) calc(var(--gutter) + var(--sal));
  --avail-h:calc(var(--vh) - var(--head) - var(--foot) - var(--sat) - var(--sab) - 2*var(--pad));
  --avail-w:calc(100vw - 2*var(--gutter) - var(--sal) - var(--sar));
  transition:top .42s var(--ease),bottom .42s var(--ease)}
@media (hover:hover) and (min-width:900px){.stage{--avail-w:calc(100vw - 2*var(--gutter) - 140px)}}
.book{position:relative;z-index:1;flex:0 0 auto;width:min(calc((var(--avail-h) - var(--extras)) * var(--r)), var(--avail-w), var(--cap));aspect-ratio:var(--r);
  opacity:0;transform:translateY(12px) scale(.985);transition:opacity .6s var(--ease),transform .6s var(--ease);touch-action:none;outline:none}
body[data-mode="spread"] .book{width:min(calc((var(--avail-h) - var(--extras)) * var(--r) * 2), var(--avail-w));aspect-ratio:calc(var(--r) * 2)}
.book.ready{opacity:1;transform:none}
.book::before{content:'';position:absolute;left:4%;right:4%;bottom:-2%;height:10%;border-radius:50%;background:rgba(0,0,0,.6);filter:blur(22px);z-index:0;pointer-events:none}
.book:focus-visible{outline:3px solid var(--orange-hi);outline-offset:8px;border-radius:4px}
.stf__parent{z-index:1}
.page{position:relative;overflow:hidden;background:#04194f;border-radius:2px}
.page::before{content:'';position:absolute;inset:0;background:linear-gradient(100deg,rgba(255,255,255,0) 30%,rgba(255,255,255,.07) 50%,rgba(255,255,255,0) 70%);background-size:220% 100%;animation:shimmer 1.6s linear infinite}
.page.is-loaded::before{display:none}
@keyframes shimmer{to{background-position:-120% 0}}
.page img{display:block;width:100%;height:100%;object-fit:fill;opacity:0;transition:opacity .35s;user-select:none;-webkit-user-drag:none;-webkit-touch-callout:none;pointer-events:none}
.page.is-loaded img{opacity:1}
.page.-hard{box-shadow:inset 0 0 0 1px rgba(255,255,255,.12)}
.stf__item{cursor:grab}
.book.is-flipping .stf__item{cursor:grabbing}
@media (prefers-reduced-motion:reduce){.book{transition:none}}

.nav{position:fixed;z-index:21;top:50%;transform:translateY(-50%);width:56px;height:96px;display:none;place-items:center;border-radius:14px;color:var(--fg);
  background:rgba(0,13,41,.55);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid var(--line);transition:background .2s,opacity .3s,transform .2s}
.nav svg{width:28px;height:28px;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.nav:hover{background:rgba(242,101,34,.3)}
.nav:disabled{opacity:.25;cursor:default}
.nav.prev{left:calc(10px + var(--sal))}.nav.next{right:calc(10px + var(--sar))}
@media (hover:hover) and (min-width:900px){.nav{display:grid}}

/* immersive / fullscreen chrome hiding */
body.immersive .head{transform:translateY(-100%)}
body.immersive .foot{transform:translateY(100%)}
body.immersive .stage{top:0;bottom:0;--avail-h:calc(var(--vh) - 2*var(--pad));--avail-w:calc(100vw - 2*var(--gutter))}
body.immersive .nav{opacity:0;pointer-events:none}
body.immersive .menu{display:none}
.tapzone{position:fixed;inset:0;z-index:4;display:none}
body.immersive .peek{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(14px + var(--sab));z-index:22;padding:8px 14px;border-radius:999px;font:700 12px/1 var(--font-display);letter-spacing:.1em;text-transform:uppercase;color:var(--cream);background:rgba(0,13,41,.78);border:1px solid var(--line);display:flex;gap:10px;align-items:center;opacity:.95;transition:opacity .3s}
.peek{display:none}
body.immersive.idle .peek{opacity:0;pointer-events:none}

/* ---------- toast + live ---------- */
.toast{position:fixed;left:50%;bottom:calc(var(--foot) + var(--sab) + 18px);transform:translate(-50%,16px);z-index:60;padding:10px 16px;border-radius:999px;background:var(--cream);color:#001645;font-weight:600;font-size:13px;opacity:0;pointer-events:none;transition:opacity .25s,transform .25s var(--ease);box-shadow:0 10px 30px rgba(0,0,0,.4)}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ---------- dialogs ---------- */
dialog{border:0;padding:0;margin:0;max-width:none;max-height:none;width:100%;height:100%;background:transparent;color:var(--fg);overflow:hidden}
dialog::backdrop{background:rgba(3,7,24,.78);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
dialog:not([open]){display:none}
.sheet{position:absolute;inset:0;display:flex;flex-direction:column;background:linear-gradient(180deg,#04205c,#000d29);
  padding-top:var(--sat);padding-bottom:var(--sab);animation:up .38s var(--ease)}
@media (min-width:900px){.sheet.side{left:auto;width:min(560px,46vw);border-left:1px solid var(--line);box-shadow:-30px 0 80px rgba(0,0,0,.5);animation:slide .38s var(--ease)}}
@keyframes up{from{transform:translateY(18px);opacity:0}}
@keyframes slide{from{transform:translateX(24px);opacity:0}}
@media (prefers-reduced-motion:reduce){.sheet,.sheet.side{animation:none}}
.sheet header{display:flex;align-items:center;gap:8px;padding:8px calc(var(--gutter) + var(--sar)) 8px calc(var(--gutter) + var(--sal));border-bottom:1px solid var(--line);min-height:56px}
.sheet header h2{margin:0;font:700 22px/1 var(--font-display);letter-spacing:.02em;text-transform:uppercase;flex:1 1 auto;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sheet header h2 small{display:block;font:500 11px/1.2 var(--font-ui);letter-spacing:.12em;color:var(--orange-hi);margin-bottom:4px;text-transform:uppercase}
.sheet .body{flex:1 1 auto;overflow:auto;-webkit-overflow-scrolling:touch;padding:16px calc(var(--gutter) + var(--sar)) 24px calc(var(--gutter) + var(--sal));overscroll-behavior:contain}

/* text reader */
.reader{font-family:var(--font-ui);font-size:var(--rs,17px);line-height:1.62;max-width:62ch;margin:0 auto;color:#f3f5ff}
.reader p{margin:0 0 1.1em;white-space:pre-line}
.reader p:first-child::first-letter{color:var(--orange-hi)}
.reader .empty{color:var(--muted);font-style:italic}
.reader-tools{display:flex;gap:4px;align-items:center}
.reader-tools .ib{width:40px;height:40px}
.reader-foot{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:10px calc(var(--gutter) + var(--sar)) 10px calc(var(--gutter) + var(--sal));border-top:1px solid var(--line)}
.btn{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 16px;border-radius:10px;border:1px solid var(--line);font-weight:600;font-size:14px;transition:background .2s,border-color .2s}
.btn:hover{background:rgba(255,255,255,.08)}
.btn.pri{background:var(--orange);border-color:var(--orange);color:#1a0b00}
.btn.pri:hover{background:var(--orange-hi)}
.btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.btn:disabled{opacity:.35;cursor:default}

/* grid */
.search{display:flex;align-items:center;gap:8px;padding:10px calc(var(--gutter) + var(--sar)) 10px calc(var(--gutter) + var(--sal));border-bottom:1px solid var(--line);flex-wrap:wrap}
.search label{flex:1 1 220px;display:flex;align-items:center;gap:8px;background:rgba(255,255,255,.06);border:1px solid var(--line);border-radius:10px;padding:0 12px;min-height:44px}
.search label svg{width:18px;height:18px;fill:none;stroke:var(--muted);stroke-width:2;stroke-linecap:round;flex:0 0 auto}
.search input{flex:1 1 auto;min-width:0;background:none;border:0;color:var(--fg);font:500 15px var(--font-ui);outline:none}
.search input::placeholder{color:var(--muted)}
.search .goto{flex:0 0 auto;display:flex;align-items:center;gap:6px}
.search .goto input{width:64px;text-align:center;background:rgba(255,255,255,.06);border:1px solid var(--line);border-radius:10px;min-height:44px;padding:0 8px;font:700 16px var(--font-display)}
.search .goto input::-webkit-inner-spin-button{-webkit-appearance:none}
.search .goto input{-moz-appearance:textfield;appearance:textfield}
.srres{font-size:12px;color:var(--muted);width:100%}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(104px,1fr));gap:14px 10px}
@media (min-width:900px){.grid{grid-template-columns:repeat(auto-fill,minmax(132px,1fr));gap:18px 14px}}
.th{display:flex;flex-direction:column;gap:6px;align-items:center;border-radius:6px;padding:4px}
.th .im{width:100%;aspect-ratio:var(--r);background:#04194f;border-radius:3px;overflow:hidden;box-shadow:0 10px 26px -10px rgba(0,0,0,.8),0 0 0 1px rgba(255,255,255,.08);transition:transform .2s,box-shadow .2s}
.th img{width:100%;height:100%;object-fit:cover;display:block}
.th:hover .im{transform:translateY(-3px)}
.th[aria-current="page"] .im{box-shadow:0 0 0 3px var(--orange),0 10px 26px -10px rgba(0,0,0,.8)}
.th .n{font:700 13px/1 var(--font-display);letter-spacing:.08em;color:var(--muted)}
.th[aria-current="page"] .n{color:var(--orange-hi)}
.th .snip{font-size:11px;line-height:1.35;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;text-align:center}
.th .snip mark{background:rgba(242,101,34,.35);color:#fff;border-radius:2px}
.th.hide{display:none}

/* zoom */
.zoomwrap{position:absolute;inset:0;background:#02050f;overflow:hidden;touch-action:none;cursor:grab}
.zoomwrap.drag{cursor:grabbing}
.zoomwrap img{position:absolute;left:0;top:0;transform-origin:0 0;will-change:transform;max-width:none;user-select:none;-webkit-user-drag:none;-webkit-touch-callout:none;display:block}
.ztools{position:absolute;left:50%;transform:translateX(-50%);bottom:calc(16px + var(--sab));z-index:2;display:flex;gap:4px;align-items:center;padding:6px;border-radius:14px;background:rgba(0,13,41,.8);border:1px solid var(--line);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.ztools .pct{font:700 14px/1 var(--font-display);letter-spacing:.06em;min-width:56px;text-align:center}
.zhead{position:absolute;left:0;right:0;top:0;z-index:2;display:flex;align-items:center;gap:8px;padding:calc(8px + var(--sat)) calc(var(--gutter) + var(--sar)) 8px calc(var(--gutter) + var(--sal));background:linear-gradient(rgba(2,5,15,.85),transparent)}
.zhead h2{margin:0;font:700 20px/1 var(--font-display);letter-spacing:.04em;flex:1 1 auto}
.znav{position:absolute;top:50%;transform:translateY(-50%);z-index:2}
.znav.prev{left:calc(8px + var(--sal))}.znav.next{right:calc(8px + var(--sar))}
@media (hover:none){.znav{display:none}}

/* help */
.help dl{display:grid;grid-template-columns:auto 1fr;gap:10px 18px;margin:0;font-size:14px}
.help dt{display:flex;gap:4px}
.help kbd{font:600 12px var(--font-ui);border:1px solid var(--line);border-bottom-width:2px;border-radius:5px;padding:2px 7px;background:rgba(255,255,255,.06)}
.help dd{margin:0;color:var(--muted)}
.help h3{font:700 16px/1 var(--font-display);letter-spacing:.08em;text-transform:uppercase;color:var(--orange-hi);margin:22px 0 10px}
.help p{color:var(--muted);line-height:1.6}

/* intro */
@media (prefers-reduced-motion:no-preference){
  .intro .head,.intro .foot{animation:fadein .6s var(--ease) both .15s}
  
  @keyframes fadein{from{opacity:0}}
  @keyframes cover{from{opacity:0;transform:translateY(14px) scale(.97)}}
}
@media (prefers-contrast:more){:root{--line:rgba(255,255,255,.4);--muted:rgba(255,255,255,.85)}}
.reader h3{font:700 1.45em/1.15 var(--font-display);letter-spacing:.01em;margin:1.2em 0 .5em;color:#fff}
.reader h4{font:700 1.1em/1.3 var(--font-ui);margin:1em 0 .4em;color:var(--orange-hi)}
.reader ul,.reader ol{padding-left:1.3em;margin:0 0 1.1em}
.reader li{margin:.3em 0}
.reader blockquote{margin:0 0 1.1em;padding:.2em 0 .2em 1em;border-left:3px solid var(--orange);color:#fff}
.reader strong{color:#fff}
.reader p:first-child::first-letter{color:inherit}
@media (max-width:640px){.counter{display:none}.brand .logo img{height:15px}.brand .t b{font-size:19px}}
@media (max-width:420px){.brand .t b{font-size:17px}}
body.immersive{--gutter:6px}

.sb{flex:0 0 auto;width:48px;height:48px;display:inline-grid;place-items:center;border-radius:12px;color:var(--fg);background:rgba(242,101,34,.16);border:1px solid rgba(242,101,34,.45);transition:background .2s,transform .15s}
.sb svg{width:26px;height:26px;fill:none;stroke:currentColor;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}
.sb:active{transform:scale(.92);background:rgba(242,101,34,.35)}
.sb:disabled{opacity:.3}
@media (hover:hover) and (min-width:900px){.sb{display:none}}
@media (max-width:899px),(hover:none){.scrub .lbl{display:none}.scrub{gap:10px}}

/* ---------- mobile richness: ambient, caption, strip, footer ---------- */
.ambient{position:absolute;inset:0;z-index:0;overflow:hidden;pointer-events:none}
.ambient canvas{position:absolute;left:-10%;top:-10%;width:120%;height:120%;opacity:0;transition:opacity .9s var(--ease);image-rendering:auto}
.ambient canvas.on{opacity:.5}
.ambient::after{content:'';position:absolute;inset:0;background:linear-gradient(to bottom,rgba(0,13,41,.75),rgba(0,13,41,.15) 30%,rgba(0,13,41,.15) 70%,rgba(0,13,41,.85))}
.caption{position:relative;z-index:1;display:none;flex-direction:column;align-items:center;text-align:center;gap:3px;max-width:min(92vw,560px);min-height:0;animation:capin .4s var(--ease)}
@keyframes capin{from{opacity:0;transform:translateY(4px)}}
.caption .k{font:700 10.5px/1 var(--font-display);letter-spacing:.16em;text-transform:uppercase;color:var(--orange-hi)}
.caption .t{font:600 14px/1.25 var(--font-ui);color:var(--fg);display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.caption:empty,.caption .t:empty{display:none}
.strip{position:relative;z-index:1;display:none;width:calc(100% + 2*var(--gutter));margin:0 calc(-1*var(--gutter));padding:6px var(--gutter) 4px;gap:8px;overflow-x:auto;overflow-y:hidden;scroll-snap-type:x proximity;scrollbar-width:none;-webkit-overflow-scrolling:touch;overscroll-behavior-x:contain;mask-image:linear-gradient(to right,transparent,#000 6%,#000 94%,transparent);-webkit-mask-image:linear-gradient(to right,transparent,#000 6%,#000 94%,transparent)}
.strip::-webkit-scrollbar{display:none}
.strip button{flex:0 0 auto;width:calc(65px * var(--r));height:65px;border-radius:4px;overflow:hidden;background:#04194f;box-shadow:0 4px 14px -4px rgba(0,0,0,.8),0 0 0 1px rgba(255,255,255,.1);opacity:.55;transform:scale(.94);transition:opacity .25s,transform .25s,box-shadow .25s;scroll-snap-align:center;position:relative}
.strip button img{width:100%;height:100%;object-fit:cover;display:block}
.strip button[aria-current="page"]{opacity:1;transform:scale(1.06);box-shadow:0 0 0 2px var(--orange),0 8px 18px -4px rgba(0,0,0,.9)}
.strip button::after{content:attr(data-p);position:absolute;right:3px;bottom:2px;font:700 9px/1 var(--font-display);color:#fff;text-shadow:0 1px 2px #000;letter-spacing:.04em}
body[data-extras="1"] .caption{display:flex}
body[data-extras="1"] .strip{display:flex}
body.immersive .caption,body.immersive .strip{display:none}
body.immersive .stage{--extras:0px}
.scrub .mid{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;align-items:stretch;gap:0}
.scrub .cnt{display:none;justify-content:center;align-items:baseline;gap:6px;font:700 15px/1 var(--font-display);letter-spacing:.06em;color:var(--muted);text-transform:uppercase}
.scrub .cnt em{font-style:normal;color:var(--orange-hi);font-size:20px}
.scrub .cnt .cs{color:var(--fg)}
@media (max-width:899px),(hover:none){.scrub .cnt{display:flex}:root{--foot:84px}.scrub input[type=range]{height:30px}}
@media (max-width:420px){:root{--gutter:10px}}

/* ---------- touch devices: lighter compositing, slimmer chrome ---------- */
@media (hover:none){.head,.foot{backdrop-filter:none;-webkit-backdrop-filter:none;background:rgba(0,13,41,.96)}body::after{display:none}.rays{display:none}.menu{backdrop-filter:none}}
@media (max-width:899px){:root{--head:52px;--foot:88px;--pad:6px;--gutter:8px}.foot{gap:4px}.credit{font-size:10px;letter-spacing:.16em}.scrub .cnt{font-size:14px}.scrub .cnt em{font-size:18px}.sb{width:46px;height:46px}}

/* ---------- v16: toc, toast action, coach ---------- */
.toc{display:flex;flex-direction:column;gap:14px;margin-bottom:22px}
.toc section{display:flex;flex-direction:column;gap:2px}
.toc h4{margin:0 0 4px;font:700 12px/1 var(--font-display);letter-spacing:.14em;text-transform:uppercase;color:var(--orange-hi);padding-left:10px;border-left:3px solid var(--orange)}
.toc button{display:flex;align-items:baseline;gap:12px;width:100%;text-align:left;padding:9px 10px;border-radius:8px;font-size:14px;line-height:1.3;min-height:40px}
.toc button:hover{background:rgba(255,255,255,.07)}
.toc button em{font:700 15px/1 var(--font-display);font-style:normal;color:var(--orange-hi);min-width:26px;letter-spacing:.04em}
.toc button span{flex:1 1 auto}
.toc button small{color:var(--muted);font-size:11px;white-space:nowrap}
.toc button[aria-current="true"]{background:rgba(242,101,34,.16)}
.toc.hide{display:none}
.gh{font:700 12px/1 var(--font-display);letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin:0 0 12px}
.toast{display:flex;align-items:center;gap:12px;max-width:min(92vw,520px);white-space:nowrap}
.toast #toastT{overflow:hidden;text-overflow:ellipsis}
.toast button{font:700 13px var(--font-ui);color:#fff;background:var(--navy);padding:6px 12px;border-radius:999px;flex:0 0 auto}
.toast.show{pointer-events:auto}
.coach{position:fixed;inset:0;z-index:70;pointer-events:none;display:grid;place-items:end center;padding:0 16px calc(var(--foot) + var(--sab) + 24px);background:linear-gradient(to top,rgba(3,7,24,.85),rgba(3,7,24,.35) 60%,transparent);animation:fadein .4s var(--ease)}
.coach[hidden]{display:none}
.coach-card{pointer-events:auto;display:flex;flex-direction:column;align-items:center;gap:10px;text-align:center;max-width:360px;padding:18px 18px 16px;border-radius:18px;background:rgba(3,28,86,.96);border:1px solid var(--line);box-shadow:0 24px 60px rgba(0,0,0,.6)}
.coach-card p{margin:0;font-size:14px;line-height:1.5;color:var(--muted)}
.coach-card p b{color:#fff;font-size:16px}
.coach .hand{width:64px;height:64px;animation:swipe 1.6s var(--ease) infinite}
.coach .hand svg{width:100%;height:100%}
@keyframes swipe{0%{transform:translateX(28px) rotate(8deg);opacity:.2}25%{opacity:1}70%{transform:translateX(-28px) rotate(-6deg);opacity:1}100%{transform:translateX(-32px);opacity:0}}
@media (prefers-reduced-motion:reduce){.coach .hand{animation:none}}
body.auto-immersive .peek{display:flex}

/* ---------- v19: zoom nav, immersive touch arrows ---------- */
.ztools{max-width:calc(100vw - 16px);flex-wrap:nowrap}
.ztools .zpn{color:var(--orange-hi);background:rgba(242,101,34,.14)}
.ztools .zpn:disabled{opacity:.3}
.ztools .btn{padding:0 12px}
@media (max-width:380px){.ztools{gap:2px;padding:4px}.ztools .pct{min-width:48px;font-size:13px}.ztools .btn{padding:0 9px;font-size:13px}}
.zhint{white-space:nowrap;position:absolute;left:50%;transform:translateX(-50%);bottom:calc(84px + var(--sab));z-index:2;padding:6px 12px;border-radius:999px;font:600 12px var(--font-ui);color:var(--cream);background:rgba(0,13,41,.7);border:1px solid var(--line);opacity:0;transition:opacity .3s;pointer-events:none}
.zhint.show{opacity:1}
@media (hover:none){
  body.immersive > .nav{display:grid;width:44px;height:76px;opacity:.9;pointer-events:auto;background:rgba(0,13,41,.62);transition:opacity .3s}
  body.immersive.idle > .nav{opacity:0;pointer-events:none}
  body.immersive > .nav:disabled{opacity:.25}
}

/* immersive: tap shows the bars temporarily */
body.immersive.chrome .head{transform:none}
body.immersive.chrome .foot{transform:none}
body.immersive.chrome .peek{opacity:0;pointer-events:none}

/* ---------- v23: no fixed html/body (Chrome iOS toolbar inset bug); frame parts absolute inside body ---------- */
body::before,body::after,.rays,.head,.foot,.stage,.nav,.peek,.toast,.menu,.coach,.skip,.tapzone{position:fixed}
.sheet .body,.zoomwrap,.strip{overscroll-behavior:contain}