/* ===== 美容医生的面相与美学课 · design system ===== */
@font-face{font-family:"XSerif";src:url(../fonts/serif-400.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"XSerif";src:url(../fonts/serif-700.woff2) format("woff2");font-weight:700;font-display:swap}
@font-face{font-family:"XKai";src:url(../fonts/kai-400.woff2) format("woff2");font-weight:400;font-display:swap}

:root{
  --paper:#F6F0E1; --paper-2:#EFE6D1; --paper-3:#E7DCC3;
  --ink:#2A2622; --ink-2:#4F4840; --ink-3:#6E655B; --ink-4:#B9AE9C;
  --zhusha:#B23A2E; --gold:#B8913F; --gold-d:#7E6020; --gold-l:#D9BE82;
  --zheshi:#96603A; --shiqing:#2B5D8A; --zhuqing:#4E7D5B; --tenghuang:#C08A1E;
  --serif:"XSerif","Noto Serif CJK SC","Noto Serif SC","Songti SC","STSong",serif;
  --kai:"XKai","LXGW WenKai","Kaiti SC","STKaiti","KaiTi",var(--serif);
  --gut:clamp(20px,6vw,128px);
  --max:1320px;
  --ease:cubic-bezier(.22,.8,.18,1);
  --ease-ink:cubic-bezier(.6,.02,.1,1);
  --fs-hero:clamp(3rem,min(7.4vw,10.6vh),8.4rem);
  --fs-xl:clamp(2.35rem,5.2vw,5.6rem);
  --fs-l:clamp(1.8rem,3.3vw,3.3rem);
  --fs-m:clamp(1.35rem,2.1vw,2rem);
  --sec-pad:clamp(104px,13vw,232px);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--serif);font-size:1.0625rem;line-height:1.9;
  font-feature-settings:"palt" 0;line-break:strict;overflow-wrap:break-word;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
body::after{content:"";position:fixed;inset:0;pointer-events:none;z-index:200;opacity:.38;mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .45 0 0 0 0 .38 0 0 0 0 .28 0 0 0 .22 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
img{max-width:100%;display:block}
a{color:inherit}
button{font:inherit;color:inherit;cursor:pointer}
h1,h2,h3,p,ol,ul,dl,dd,figure,blockquote{margin:0}
ol,ul{padding:0;list-style:none}
.kai{font-family:var(--kai)}
.sr{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:fixed;left:16px;top:-60px;z-index:300;background:var(--ink);color:var(--paper);padding:10px 16px;text-decoration:none;transition:top .3s}
.skip:focus{top:16px}
:focus-visible{outline:2px solid var(--zhusha);outline-offset:4px;border-radius:2px}
::selection{background:var(--zhusha);color:var(--paper)}
.wrap{max-width:calc(var(--max) + var(--gut)*2);margin:0 auto;padding-inline:var(--gut);position:relative}
.m-br{display:none}

/* ===== seal ===== */
.seal{display:inline-grid;place-items:center;background:var(--zhusha);color:var(--paper);border-radius:6px;font-weight:700;line-height:1;
  box-shadow:inset 0 0 0 2px rgba(246,240,225,.18);position:relative}
.seal b{display:block;font-weight:700}
.seal::after{content:"";position:absolute;inset:0;border-radius:inherit;opacity:.35;mix-blend-mode:screen;
  background:radial-gradient(circle at 20% 30%,transparent 0 40%,rgba(246,240,225,.5) 41% 42%,transparent 43%),radial-gradient(circle at 75% 80%,rgba(246,240,225,.6) 0 2%,transparent 3%)}
.seal-sm{width:34px;height:46px;font-size:11px;gap:1px;padding:4px 0}
.seal-hero{position:absolute;right:var(--gut);bottom:clamp(120px,22vh,260px);width:64px;height:92px;font-size:20px;gap:3px;padding:8px 0;z-index:4;transform:rotate(-2deg)}
.seal-foot{width:52px;height:74px;font-size:16px;gap:2px;padding:6px 0}

/* ===== cursor ===== */
.cursor{display:none}
@media (hover:hover) and (pointer:fine){
  .has-cursor .cursor{display:block;position:fixed;inset:0;pointer-events:none;z-index:250}
  .cursor-dot,.cursor-ring{position:fixed;left:0;top:0;border-radius:50%;will-change:transform}
  .cursor-dot{width:7px;height:7px;margin:-3.5px 0 0 -3.5px;background:var(--zhusha)}
  .cursor-ring{width:40px;height:40px;margin:-20px 0 0 -20px;border:1px solid rgba(42,38,34,.45);transition:width .35s var(--ease),height .35s var(--ease),margin .35s var(--ease),background-color .35s,border-color .35s;display:grid;place-items:center}
  .cursor-ring em{font-style:normal;font-size:12px;letter-spacing:.1em;color:var(--paper);opacity:0;transition:opacity .2s}
  .cursor.is-hover .cursor-ring{width:64px;height:64px;margin:-32px 0 0 -32px;border-color:transparent;background:rgba(178,58,46,.14)}
  .cursor.is-label .cursor-ring{width:76px;height:76px;margin:-38px 0 0 -38px;background:var(--ink);border-color:var(--ink)}
  .cursor.is-label .cursor-ring em{opacity:1}
  .cursor.on-dark .cursor-ring{border-color:rgba(246,240,225,.5)}
  .cursor.is-hidden{opacity:0}
}

/* ===== progress + nav ===== */
.progress{position:fixed;top:0;left:0;right:0;height:2px;z-index:120;pointer-events:none}
.progress span{display:block;height:100%;background:linear-gradient(90deg,var(--gold),var(--zhusha));transform-origin:0 50%;transform:scaleX(0)}
.nav{position:fixed;top:0;left:0;right:0;z-index:110;display:flex;align-items:center;gap:28px;padding:14px var(--gut);transition:transform .5s var(--ease),background-color .4s,box-shadow .4s}
.nav.is-scrolled{background:rgba(246,240,225,.88);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 1px 0 rgba(42,38,34,.08)}
.nav.is-hidden{transform:translateY(-110%)}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;margin-right:auto}
.brand-t{font-weight:700;letter-spacing:.18em;font-size:15px}
.nav-links{display:flex;gap:clamp(16px,2.2vw,34px)}
.nav-links a{text-decoration:none;font-size:15px;letter-spacing:.12em;position:relative;padding:6px 0;color:var(--ink-2);transition:color .3s}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--zhusha);transform:scaleX(0);transform-origin:100% 50%;transition:transform .5s var(--ease)}
.nav-links a:hover,.nav-links a.is-active{color:var(--ink)}
.nav-links a:hover::after,.nav-links a.is-active::after{transform:scaleX(1);transform-origin:0 50%}
.nav-cta{padding:10px 20px!important;font-size:14px!important}
.menu-btn{display:none;width:44px;height:44px;border:0;background:none;position:relative}
.menu-btn i{position:absolute;left:11px;right:11px;height:1.5px;background:var(--ink);transition:transform .4s var(--ease)}
.menu-btn i:nth-of-type(1){top:18px}.menu-btn i:nth-of-type(2){top:25px}
.menu-btn[aria-expanded=true] i:nth-of-type(1){transform:translateY(3.5px) rotate(45deg)}
.menu-btn[aria-expanded=true] i:nth-of-type(2){transform:translateY(-3.5px) rotate(-45deg)}
.menu{position:fixed;inset:0;z-index:105;background:var(--ink);color:var(--paper);display:flex;flex-direction:column;justify-content:center;padding:100px var(--gut) 40px;
  clip-path:circle(0 at calc(100% - 42px) 36px);transition:clip-path .7s var(--ease-ink)}
.menu.is-open{clip-path:circle(150vmax at calc(100% - 42px) 36px)}
.menu nav{display:grid;gap:6px}
.menu a{text-decoration:none;font-size:clamp(1.8rem,8vw,2.6rem);font-weight:700;letter-spacing:.1em;display:flex;align-items:baseline;gap:18px;padding:4px 0}
.menu a em{font-style:normal;font-size:.45em;color:var(--gold-l);font-weight:400;width:1.4em}
.menu-foot{margin-top:40px;color:var(--gold-l);font-size:1.1rem}
.menu-open .nav{background:transparent;box-shadow:none}
.menu-open .brand-t,.menu-open .nav-cta{opacity:0}
.menu-open .menu-btn i{background:var(--paper)}

/* ===== buttons ===== */
.btn{--bx:50%;--by:50%;position:relative;display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:15px 30px;border:1px solid var(--ink);
  font-size:15px;letter-spacing:.2em;text-decoration:none;overflow:hidden;isolation:isolate;border-radius:999px;background:transparent;
  transition:color .45s var(--ease),border-color .45s;white-space:nowrap}
.btn span{position:relative;z-index:1}
.btn::before{content:"";position:absolute;inset:-1px;z-index:0;background:var(--fill,var(--ink));clip-path:circle(0 at var(--bx) var(--by));transition:clip-path .6s var(--ease-ink)}
.btn:hover::before,.btn:focus-visible::before{clip-path:circle(150% at var(--bx) var(--by))}
.btn-line{color:var(--ink)}
.btn-line:hover,.btn-line:focus-visible{color:var(--paper)}
.btn-zhu{background:var(--zhusha);border-color:var(--zhusha);color:var(--paper);--fill:var(--ink)}
.btn-zhu:hover{border-color:var(--ink)}
.btn-ink{background:var(--ink);color:var(--paper);--fill:var(--zhusha)}
.btn-ink:hover{border-color:var(--zhusha)}
.btn:active{transform:scale(.98)}

/* ===== reveal system ===== */
.js .reveal{opacity:0;transform:translateY(34px);filter:blur(6px);transition:opacity 1.1s var(--ease),transform 1.1s var(--ease),filter 1.1s var(--ease);transition-delay:var(--rd,0s)}
.js .reveal.is-in{opacity:1;transform:none;filter:none}

/* ===== section scaffolding ===== */
.sec{position:relative;padding-block:var(--sec-pad)}
.sec-label{position:absolute;left:max(14px,calc(var(--gut)/2 - 14px));top:var(--sec-pad);writing-mode:vertical-rl;display:flex;align-items:center;gap:14px;font-size:13px;letter-spacing:.5em;color:var(--ink-3);z-index:2}
.sl-n{writing-mode:horizontal-tb;display:grid;place-items:center;width:30px;height:30px;border:1px solid var(--gold);color:var(--gold-d);font-size:15px;letter-spacing:0;border-radius:50%}
.eyebrow{font-size:14px;letter-spacing:.42em;color:var(--zhusha);margin-bottom:clamp(18px,2vw,28px);display:flex;align-items:center;gap:14px}
.eyebrow::before{content:"";width:28px;height:1px;background:currentColor}
.h-xl{font-size:var(--fs-xl);line-height:1.18;font-weight:700;letter-spacing:.02em;text-wrap:balance}
.h-l{font-size:var(--fs-l);line-height:1.25;font-weight:700;letter-spacing:.03em}
.h-m{font-size:var(--fs-m);line-height:1.35;font-weight:700;letter-spacing:.03em}
.lede{font-size:clamp(1.05rem,1.25vw,1.22rem);color:var(--ink-2);max-width:34em;line-height:2}

[hidden]{display:none!important}
h1,h2,h3,h4,.h-xl,.h-l,.h-m{text-wrap:balance}
p,li,dd{text-wrap:pretty}
.nw{display:inline-block}
/* ===== HERO ===== */
.hero{position:relative;min-height:100svh;padding:clamp(96px,13vh,140px) var(--gut) 0;overflow:hidden;display:flex;flex-direction:column}
.hero-moon{position:absolute;right:16%;top:9%;width:clamp(220px,30vw,460px);aspect-ratio:1;border-radius:50%;
  background:radial-gradient(circle,rgba(201,163,92,.55) 0%,rgba(201,163,92,.28) 38%,rgba(201,163,92,0) 70%);filter:blur(2px);z-index:0}
.hero-grid{position:relative;z-index:3;display:grid;grid-template-columns:auto minmax(260px,1fr) minmax(300px,440px);gap:clamp(24px,4vw,80px);align-items:start;max-width:1560px;width:100%;margin:0 auto;flex:1}
.hero-title{writing-mode:vertical-rl;font-weight:700;display:flex;flex-direction:column;gap:clamp(6px,1vw,18px);line-height:1;margin-top:clamp(0px,1vh,16px)}
.ht-a{font-size:calc(min(var(--fs-hero),calc((100svh - 250px)/6.5))*.42);letter-spacing:.32em;color:var(--ink-2);font-weight:400;padding-top:.4em}
.ht-b{font-size:min(var(--fs-hero),calc((100svh - 250px)/6.5));letter-spacing:.06em}
.ch{display:inline-block}
.js .ch{opacity:0;filter:blur(14px);transform:scale(1.18);animation:inkIn 1.5s var(--ease) forwards;animation-delay:calc(.25s + var(--i)*.09s)}
.js .ht-b .ch{animation-delay:calc(.55s + var(--i)*.11s)}
@keyframes inkIn{60%{opacity:1}to{opacity:1;filter:blur(0);transform:none}}
.hero-face{align-self:center;justify-self:center;width:min(100%,430px);margin-top:-2vh}
.hf-svg{width:100%;height:auto;overflow:visible}
.hf path{stroke:var(--ink);stroke-width:1.6}
.hf .fl-skull{stroke-width:1.1;opacity:.55}
.hf .fl-hair{stroke:var(--gold);stroke-dasharray:3 5!important;stroke-dashoffset:0!important;opacity:.9;stroke-width:1.1}
.hf .fl-eye{stroke-width:2.1}.hf .fl-eyel,.hf .fl-ear,.hf .fl-neck{stroke-width:1.2}
.hf .fl-faint{stroke-width:1;opacity:.35}.hf .fl-nose{stroke-width:1.1;opacity:.7}
.hf .fl-mouth{stroke-width:1.9}.hf .fl-lip{stroke-width:1.1}
.hf-solid .fl-brow,.hf-solid .fl-iris{fill:var(--ink)}
.hf-guides line{stroke:var(--gold);stroke-width:.7;stroke-dasharray:2 4}
.hf-guides text{font-size:9px;fill:var(--gold-d);letter-spacing:.2em}
.js .hf path:not(.fl-hair){stroke-dasharray:1;stroke-dashoffset:1;animation:draw 1.6s var(--ease-ink) forwards;animation-delay:calc(.5s + var(--k,0)*.06s)}
.js .hf-solid{opacity:0;animation:fadeIn 1.2s ease forwards 1.7s}
.js .hf-guides{opacity:0;animation:fadeIn 1.6s ease forwards 2.6s}
.js .hf .fl-hair{opacity:0;animation:fadeIn 1.2s ease forwards 2.4s}
@keyframes draw{to{stroke-dashoffset:0}}
@keyframes fadeIn{to{opacity:1}}
.hero-side{align-self:center;padding-bottom:6vh}
.hero-kicker{font-size:13px;letter-spacing:.32em;color:var(--ink-3);margin-bottom:28px}
.thesis-lines{display:grid;gap:4px;margin-bottom:30px}
.tl{display:flex;align-items:baseline;gap:.3em;font-size:clamp(1.6rem,2.6vw,2.6rem);line-height:1.25;letter-spacing:.08em}
.tl-a{color:var(--ink-2)}
.tl b{font-size:1.9em;color:var(--c);font-weight:700;line-height:1}
.js .tl{opacity:0;transform:translateX(22px);animation:slideIn 1.2s var(--ease) forwards;animation-delay:calc(1.5s + var(--d)*.18s)}
@keyframes slideIn{to{opacity:1;transform:none}}
.hero-lede{color:var(--ink-2);max-width:26em;margin-bottom:34px;font-size:1.02rem}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.js .hero-lede,.js .hero-cta,.js .hero-kicker{opacity:0;animation:fadeUp 1.2s var(--ease) forwards 2.1s}
.js .hero-kicker{animation-delay:1.3s}
@keyframes fadeUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
.hero-mtns{position:absolute;left:0;right:0;bottom:0;height:clamp(200px,30vw,520px);z-index:2;pointer-events:none}
.hero-mtns .m{position:absolute;left:50%;bottom:0;height:100%;width:auto;min-width:100%;max-width:none;transform:translateX(-50%);will-change:transform}
.hero-mtns .m1{bottom:10%;opacity:.42}.hero-mtns .m2{bottom:6%;opacity:.85}.hero-mtns .m3{bottom:-4%}
.hero-mtns::after{content:"";position:absolute;inset:auto 0 0 0;height:30%;background:linear-gradient(transparent,var(--paper))}
.js .hero-mtns{opacity:0;animation:fadeIn 2.2s ease forwards .2s}
.scroll-cue{position:absolute;left:50%;bottom:22px;transform:translateX(-50%);z-index:5;display:flex;flex-direction:column;align-items:center;gap:10px;font-size:12px;letter-spacing:.4em;text-decoration:none;color:var(--ink-2)}
.scroll-cue i{width:1px;height:46px;background:linear-gradient(var(--ink) 50%,transparent 50%);background-size:1px 200%;animation:cue 2.4s var(--ease) infinite}
@keyframes cue{0%{background-position:0 100%}100%{background-position:0 -100%}}

/* ===== THESIS ===== */
.thesis .h-xl{max-width:12em}
.triad{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(24px,4vw,72px);margin-top:clamp(64px,8vw,128px)}
.tri{position:relative;padding-top:24px;border-top:1px solid rgba(42,38,34,.18)}
.tri-ch{display:block;font-size:clamp(6.5rem,13vw,13.5rem);line-height:1;font-weight:700;margin:0 0 18px -.04em;color:transparent;-webkit-text-stroke:1.2px var(--c);
  background-image:linear-gradient(var(--c),var(--c));background-repeat:no-repeat;background-position:0 100%;background-size:100% 0;-webkit-background-clip:text;background-clip:text;
  transition:background-size 1.8s var(--ease-ink) .35s}
.tri.is-in .tri-ch{background-size:100% 100%}
.tri h3{font-size:var(--fs-m);margin-bottom:14px;letter-spacing:.04em}
.tri p{color:var(--ink-2);max-width:22em}
.tri-tag{display:inline-block;margin-top:22px;font-size:13px;letter-spacing:.36em;color:var(--c);padding-top:10px;border-top:2px solid var(--c)}
.tri:nth-child(2){--rd:.12s}.tri:nth-child(3){--rd:.24s}
.scrub-wrap{margin-top:clamp(96px,12vw,200px);display:grid;grid-template-columns:1fr;gap:36px;max-width:1100px}
.scrub{font-size:var(--fs-l);font-weight:700;line-height:1.45;letter-spacing:.04em}
.scrub .sc{color:var(--ink-4);transition:color .5s}
.scrub .sc.on{color:var(--ink)}
.scrub .sc.hl.on{color:var(--zhusha)}
.scrub-sub{font-size:clamp(1.05rem,1.3vw,1.25rem);color:var(--ink-2);max-width:40em;line-height:2.05;padding-left:clamp(0px,8vw,140px);border-left:0;position:relative}
.scrub-sub::before{content:"";position:absolute;left:0;top:.9em;width:clamp(0px,6vw,110px);height:1px;background:var(--gold)}

/* ===== PATH ===== */
.path{background:linear-gradient(180deg,var(--paper),var(--paper-2) 30%,var(--paper-2) 70%,var(--paper))}
.path .lede{margin-top:24px}
.path-track{position:relative;margin-top:clamp(64px,7vw,110px)}
.path-line{position:absolute;left:0;right:0;top:46px;width:100%;height:40px;overflow:visible}
.path-line path{fill:none;stroke:var(--gold);stroke-width:1.2;opacity:.8;stroke-dasharray:1;stroke-dashoffset:var(--pd,1);vector-effect:non-scaling-stroke}
.path-nodes{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(20px,3vw,48px);position:relative}
.pn{position:relative}
.pn-ch{display:grid;place-items:center;width:clamp(84px,8vw,116px);height:clamp(84px,8vw,116px);border-radius:50%;background:var(--paper);border:1px solid var(--c);color:var(--c);font-size:clamp(1.9rem,2.8vw,2.8rem);font-weight:700;margin-bottom:26px;transition:background .5s,color .5s,transform .6s var(--ease)}
.pn:nth-child(4) .pn-ch{font-size:clamp(1.4rem,2vw,2rem)}
.pn:hover .pn-ch{background:var(--c);color:var(--paper);transform:rotate(-6deg) scale(1.04)}
.pn-k{font-size:13px;letter-spacing:.3em;color:var(--ink-3);margin-bottom:16px}
.pu li a{display:flex;gap:12px;align-items:baseline;padding:10px 0;border-bottom:1px solid rgba(42,38,34,.1);text-decoration:none;font-size:1rem;line-height:1.55;transition:padding .4s var(--ease),color .3s}
.pu li a i{flex:none;width:8px;height:8px;border-radius:50%;background:var(--c);transform:translateY(-1px)}
.pu-n{font-size:12px;color:var(--ink-3);letter-spacing:.1em;flex:none}
.pu li a:hover{padding-left:8px;color:var(--c)}
.pn:nth-child(2){--rd:.1s}.pn:nth-child(3){--rd:.2s}.pn:nth-child(4){--rd:.3s}

/* ===== FACE MAP ===== */
.fm-head{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(24px,5vw,90px);align-items:end}
.fm-tabs{position:relative;display:inline-flex;gap:4px;margin-top:clamp(36px,4vw,60px);padding:5px;border:1px solid rgba(42,38,34,.18);border-radius:999px}
.fm-tab{position:relative;z-index:1;border:0;background:none;padding:10px 26px;font-size:16px;letter-spacing:.3em;border-radius:999px;color:var(--ink-2);transition:color .4s}
.fm-tab[aria-selected=true]{color:var(--paper)}
.fm-tab-ink{position:absolute;z-index:0;top:5px;bottom:5px;left:0;width:0;border-radius:999px;background:var(--ink);transition:transform .6s var(--ease),width .6s var(--ease),background-color .6s}
.fm-body{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:clamp(28px,5vw,96px);margin-top:clamp(28px,3vw,48px);align-items:start}
.fm-stage{position:relative;background:radial-gradient(closest-side,rgba(217,190,130,.28),rgba(217,190,130,0) 72%);}
.fm-svg{width:100%;height:auto;display:block;overflow:hidden;max-height:78vh}
.fm-face path{stroke:var(--ink);stroke-width:1.3}
.fm-face .fl-skull{opacity:.45}.fm-face .fl-hair{stroke:var(--gold);stroke-dasharray:3 4}
.fm-face .fl-faint{opacity:.3}.fm-face .fl-nose{opacity:.6}.fm-face .fl-eye,.fm-face .fl-mouth{stroke-width:1.8}
.fm-face-solid .fl-brow,.fm-face-solid .fl-iris{fill:var(--ink)}
.fm-guides line{stroke:var(--gold);stroke-width:.6;stroke-dasharray:2 4;opacity:0;transition:opacity .5s}
.fm-guides .axis{opacity:.35}
.fm-svg[data-active=santing] .fm-guides line{opacity:.9}
.fm-layer{display:none}
.fm-layer.is-on{display:inline}
.fm-region{cursor:pointer;outline:none}
.fm-region>*{fill:var(--c);fill-opacity:.07;stroke:var(--c);stroke-width:1;stroke-dasharray:3 3;stroke-opacity:.7;transition:fill-opacity .35s,stroke-opacity .35s,stroke-width .35s}
.fm-layer[data-layer=santing] .fm-region>*{fill-opacity:.04;stroke-opacity:0}
.fm-region:hover>*,.fm-region.is-on>*{fill-opacity:.24;stroke-dasharray:none;stroke-width:1.6;stroke-opacity:1}
.fm-layer[data-layer=santing] .fm-region.is-on>*,.fm-layer[data-layer=santing] .fm-region:hover>*{fill-opacity:.16;stroke-opacity:0}
.fm-region:focus-visible>*{stroke:var(--zhusha);stroke-width:2.4;stroke-dasharray:none;stroke-opacity:1;fill-opacity:.24}
.fm-lab{font-size:8.5px;fill:var(--c);text-anchor:middle;dominant-baseline:central;font-weight:700;letter-spacing:.06em;pointer-events:none;paint-order:stroke;stroke:var(--paper);stroke-width:2.6px;stroke-linejoin:round;transition:font-size .3s}
.fm-layer[data-layer=santing] .fm-lab{font-size:15px;letter-spacing:.3em;text-anchor:start}
.fm-layer[data-layer=wuyue] .fm-lab{font-size:9.5px}
.fm-lab.is-on{font-size:11px}
.fm-layer[data-layer=santing] .fm-lab.is-on{font-size:17px}
.fm-caption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:8px;letter-spacing:.06em}
.fm-panel{position:sticky;top:110px}
.fm-intro{font-size:1rem;color:var(--ink-2);padding-bottom:22px;margin-bottom:26px;border-bottom:1px solid rgba(42,38,34,.14)}
.fm-card{min-height:420px;--fc:var(--zhusha)}
.fm-card.swap>*{animation:swapIn .7s var(--ease) both}
.fm-card.swap>*:nth-child(2){animation-delay:.04s}.fm-card.swap>*:nth-child(3){animation-delay:.08s}.fm-card.swap>*:nth-child(4){animation-delay:.12s}.fm-card.swap>*:nth-child(5){animation-delay:.16s}
@keyframes swapIn{from{opacity:0;transform:translateY(12px);filter:blur(4px)}to{opacity:1;transform:none;filter:none}}
.fm-pos{font-size:13px;letter-spacing:.3em;color:var(--ink-3)}
.fm-name{font-size:clamp(2.4rem,4.2vw,4rem);line-height:1.15;margin:6px 0 26px;color:var(--fc);letter-spacing:.06em}
.fm-block{padding:18px 0 18px 22px;border-left:2px solid var(--bc);margin-bottom:12px}
.fm-trad{--bc:var(--zheshi)}.fm-read{--bc:var(--shiqing)}
.fm-tag{display:inline-block;font-size:12px;letter-spacing:.32em;color:var(--bc);margin-bottom:6px}
.fm-trad p{font-size:1.32rem;line-height:1.75;white-space:pre-line}
.fm-trad cite{display:block;font-style:normal;font-size:12.5px;color:var(--ink-3);margin-top:8px;letter-spacing:.08em}
.fm-read p{color:var(--ink)}
.fm-lect{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:20px;font-size:13px;color:var(--ink-3);letter-spacing:.12em}
.fm-lect button{border:1px solid rgba(42,38,34,.25);background:none;border-radius:999px;padding:4px 14px;font-size:13px;letter-spacing:.06em;transition:background .3s,color .3s,border-color .3s}
.fm-lect button:hover{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.fm-lists{margin-top:28px}
.fm-list{display:none;flex-wrap:wrap;gap:8px}
.fm-list.is-on{display:flex}
.fm-btn{border:1px solid rgba(42,38,34,.2);background:transparent;border-radius:999px;padding:6px 14px;font-size:14px;letter-spacing:.06em;transition:all .3s}
.fm-btn:hover{border-color:var(--ink)}
.fm-btn.is-on{background:var(--fc,var(--ink));color:var(--paper);border-color:transparent}
.fm-note{font-size:13px;color:var(--ink-3);margin-top:24px;line-height:1.8}

/* ===== LAYERS (dark) ===== */
.layers{color:var(--paper);overflow:hidden;background:var(--ink);isolation:isolate}
.js .layers{background:transparent;transition:background-color .6s}
.js .layers.is-inked{background:var(--ink)}
.ink-spread{position:absolute;inset:0;z-index:-1;pointer-events:none;overflow:hidden}
.ink-spread img{position:absolute;left:50%;top:22%;width:120vmax;max-width:none;height:auto;transform:translate(-50%,-50%) scale(var(--s,0)) rotate(calc(var(--s,0)*40deg));will-change:transform}
.layers .sec-label{color:rgba(246,240,225,.6)}
.layers .sl-n{border-color:var(--gold-l);color:var(--gold-l)}
.layers .eyebrow{color:var(--gold-l)}
.layers .lede{color:rgba(246,240,225,.78)}
.layers .lede{margin-top:24px}
.layers :focus-visible{outline-color:var(--gold-l)}
.ly-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);grid-template-areas:"axis face" "cols face" "det det";gap:24px clamp(24px,5vw,80px);margin-top:clamp(56px,6vw,96px)}
.ly-axis{grid-area:axis;display:flex;align-items:center;gap:16px;font-size:13px;letter-spacing:.3em;color:rgba(246,240,225,.6)}
.ly-axis i{flex:1;height:1px;background:linear-gradient(90deg,#8DBB97,#86AED6,#D3A27A);position:relative}
.ly-axis i::after{content:"";position:absolute;right:-2px;top:-4px;border:4.5px solid transparent;border-left:7px solid #D3A27A}
.ly-cols{grid-area:cols;display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(10px,1.4vw,22px);align-items:end;height:clamp(300px,34vw,440px)}
.ly-col{position:relative;height:var(--h);border:1px solid rgba(246,240,225,.18);background:rgba(246,240,225,.03);color:var(--paper);text-align:left;padding:20px 18px;display:flex;flex-direction:column;border-radius:4px 4px 0 0;overflow:hidden;transition:border-color .4s,background .4s,transform .6s var(--ease)}
.ly-col::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,var(--c),transparent 120%);opacity:0;transition:opacity .6s var(--ease);z-index:0}
.ly-col>*{position:relative;z-index:1}
.ly-col:hover{border-color:var(--cl);transform:translateY(-6px)}
.ly-col[aria-pressed=true]{border-color:var(--cl)}
.ly-col[aria-pressed=true]::before{opacity:.75}
.ly-step{font-size:15px;color:var(--cl);margin-bottom:auto;width:32px;height:32px;display:grid;place-items:center;border:1px solid currentColor;border-radius:50%;font-weight:700}
.ly-col[aria-pressed=true] .ly-step{color:var(--paper)}
.ly-name{font-size:clamp(1.5rem,2.6vw,2.5rem);font-weight:700;letter-spacing:.1em;line-height:1.2}
.ly-speed{font-size:13px;color:rgba(246,240,225,.75);letter-spacing:.12em;margin-top:4px}
.ly-bar{position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--cl);transform:scaleX(0);transform-origin:0 50%;transition:transform .8s var(--ease)}
.ly-col[aria-pressed=true] .ly-bar{transform:scaleX(1)}
.ly-face{grid-area:face;align-self:center}
.ly-face svg{width:100%;max-width:340px;margin:0 auto;display:block;overflow:visible}
.ly-face .mf path{stroke:rgba(246,240,225,.82);stroke-width:1.3}
.ly-face .mf .fl-faint{opacity:.35}.ly-face .mf .fl-skull{opacity:.4}.ly-face .mf .fl-hair{stroke:var(--gold-l);stroke-dasharray:3 4}
.ly-face .mf-solid .fl-brow,.ly-face .mf-solid .fl-iris{fill:rgba(246,240,225,.85)}
.lz>*{fill:currentColor;fill-opacity:.32;stroke:currentColor;stroke-width:1.2;stroke-dasharray:3 3;opacity:0;transform-box:fill-box;transform-origin:center;transform:scale(.6);transition:opacity .5s var(--ease),transform .7s var(--ease)}
.lz .lz-line{fill:none;stroke-width:10;stroke-linecap:round;stroke-dasharray:none;stroke-opacity:.45}
.lz[data-ly=liu]{color:#8DBB97}.lz[data-ly=jie]{color:#86AED6}.lz[data-ly=ding]{color:#D3A27A}
.lz.is-on>*{opacity:1;transform:none}
.lz.is-on>*:nth-child(2){transition-delay:.06s}.lz.is-on>*:nth-child(3){transition-delay:.12s}.lz.is-on>*:nth-child(4){transition-delay:.18s}.lz.is-on>*:nth-child(5){transition-delay:.24s}
.ly-details{grid-area:det;min-height:250px}
.ly-detail{display:none}
.ly-detail.is-on{display:block;animation:swapIn .7s var(--ease) both}
.ly-d-name{font-size:var(--fs-m);color:var(--cl);display:flex;flex-wrap:wrap;align-items:baseline;gap:8px 20px;margin-bottom:20px}
.ly-d-name small{font-size:13px;font-weight:400;color:rgba(246,240,225,.7);letter-spacing:.14em}
.ly-detail dl{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,3vw,48px)}
.ly-detail dt{font-size:12.5px;letter-spacing:.3em;color:var(--cl);margin-bottom:8px;padding-top:12px;border-top:1px solid rgba(246,240,225,.2)}
.ly-detail dd{color:rgba(246,240,225,.92);line-height:1.85}
.ly-trad{margin-top:26px;display:flex;flex-wrap:wrap;gap:6px 18px;align-items:baseline}
.ly-trad .kai{font-size:1.25rem;color:var(--paper)}
.ly-trad cite{font-style:normal;font-size:12.5px;color:rgba(246,240,225,.6);letter-spacing:.08em}
.rules{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,3vw,48px);margin-top:clamp(64px,7vw,120px);border-top:1px solid rgba(246,240,225,.2);padding-top:clamp(28px,3vw,44px)}
.rules li{font-size:clamp(1.25rem,2vw,1.85rem);font-weight:700;letter-spacing:.06em;line-height:1.45;display:flex;gap:16px;align-items:baseline}
.rules li span{font-size:.6em;color:var(--gold-l);font-weight:400;flex:none}
.rules li:nth-child(2){--rd:.12s}.rules li:nth-child(3){--rd:.24s}

/* ===== TOOLS ===== */
.tool{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(28px,5vw,96px);padding-block:clamp(56px,6vw,104px);border-top:1px solid rgba(42,38,34,.14)}
.tools .h-xl{margin-bottom:clamp(56px,6vw,96px)}
.tool-h{align-self:start;position:sticky;top:110px}
.tool-n{display:inline-block;font-size:12px;letter-spacing:.32em;color:var(--gold-d);border:1px solid var(--gold);padding:3px 12px;border-radius:999px;margin-bottom:18px}
.tool-h h3{font-size:var(--fs-l);line-height:1.2;margin-bottom:18px;letter-spacing:.04em}
.tool-h p{color:var(--ink-2);max-width:26em}
.fic{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.14em;color:#4D5A62;border:1px dashed #5E6B73;padding:4px 12px;border-radius:3px}
.fic::before{content:"虚构";white-space:nowrap;flex:none;font-weight:700;color:var(--paper);background:#5E6B73;padding:0 6px;border-radius:2px;letter-spacing:.1em}
/* statement */
.st-box{background:var(--paper-2);border-radius:6px;padding:clamp(24px,4vw,56px);position:relative}
.st-box::before{content:"“";position:absolute;left:clamp(10px,2vw,22px);top:-.25em;font-size:7rem;line-height:1;color:var(--gold);opacity:.5;font-family:var(--serif)}
.st-text{font-size:clamp(1.18rem,1.75vw,1.6rem);line-height:2.25;letter-spacing:.03em}
.st-s{display:inline;border-bottom:1.5px dashed var(--ink-3);color:var(--ink-3);padding:0 2px;transition:color .4s,border-color .4s,background-color .4s}
.st-s.is-filled{color:var(--zhusha);border-bottom:1.5px solid var(--zhusha)}
.st-s.typing .st-s-in::after{content:"";display:inline-block;width:2px;height:1em;background:var(--zhusha);vertical-align:-.12em;margin-left:2px;animation:blink .7s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.st-s:hover{background:rgba(178,58,46,.07)}
.st-ctrl{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:32px}
.st-ctrl .fic{margin-left:auto}
/* jie yi huan */
.jy-tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(10px,1.6vw,22px)}
.jy-tab{border:1px solid rgba(42,38,34,.2);background:transparent;border-radius:6px;padding:clamp(18px,2vw,28px) 16px;text-align:left;display:flex;flex-direction:column;gap:12px;position:relative;overflow:hidden;transition:border-color .4s,color .4s}
.jy-tab::before{content:"";position:absolute;inset:0;background:var(--zhusha);transform:scaleY(0);transform-origin:50% 100%;transition:transform .6s var(--ease-ink);z-index:0}
.jy-tab>*{position:relative;z-index:1}
.jy-ch{font-size:clamp(2.6rem,4.4vw,4.4rem);font-weight:700;line-height:1;color:var(--zhusha);transition:color .4s}
.jy-do{font-size:14px;color:var(--ink-2);line-height:1.6;transition:color .4s}
.jy-tab:hover{border-color:var(--zhusha)}
.jy-tab[aria-selected=true]{border-color:var(--zhusha)}
.jy-tab[aria-selected=true]::before{transform:scaleY(1)}
.jy-tab[aria-selected=true] .jy-ch,.jy-tab[aria-selected=true] .jy-do{color:var(--paper)}
.jy-panels{margin-top:24px;min-height:200px}
.jy-panel{padding:clamp(20px,3vw,40px);background:var(--paper-2);border-radius:6px;animation:swapIn .6s var(--ease) both}
.jy-say{font-size:clamp(1.2rem,1.7vw,1.55rem);line-height:1.95}
.jy-avoid{margin-top:22px;display:flex;gap:14px;align-items:baseline;flex-wrap:wrap;color:var(--ink-3);font-size:15px}
.jy-avoid span{font-size:12px;letter-spacing:.3em;color:var(--zhusha);border:1px solid var(--zhusha);padding:1px 10px;border-radius:999px}
.jy-avoid s{text-decoration-color:var(--zhusha);text-decoration-thickness:1.5px}
/* gate */
.gt-wrap{display:grid;grid-template-columns:minmax(0,1fr);gap:28px;align-items:start}
.gt-list{display:grid;gap:0;border-top:1px solid rgba(42,38,34,.14)}
.gt{width:100%;display:grid;grid-template-columns:28px 5.2em 1fr 30px;gap:16px;align-items:baseline;text-align:left;border:0;border-bottom:1px solid rgba(42,38,34,.14);background:none;padding:20px 4px;transition:background .3s,padding .4s var(--ease)}
.gt:hover{background:rgba(178,58,46,.05);padding-left:12px}
.gt-n{font-size:13px;color:var(--ink-3)}
.gt-k{font-size:1.5rem;font-weight:700;letter-spacing:.08em}
.gt-q{color:var(--ink-2);line-height:1.8}
.gt-box{align-self:center;width:24px;height:24px;border:1.5px solid var(--ink-3);border-radius:3px;position:relative;transition:all .35s var(--ease)}
.gt-box::after{content:"";position:absolute;left:6px;top:2px;width:7px;height:13px;border:solid var(--paper);border-width:0 2.5px 2.5px 0;transform:rotate(45deg) scale(0);transition:transform .35s var(--ease) .05s}
.gt[aria-pressed=true] .gt-box{background:var(--zhusha);border-color:var(--zhusha);transform:rotate(-4deg)}
.gt[aria-pressed=true] .gt-box::after{transform:rotate(45deg) scale(1)}
.gt[aria-pressed=true] .gt-k{color:var(--zhusha)}
.gt-result{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:22px;text-align:left;padding:20px 24px;border:1px dashed rgba(42,38,34,.25);border-radius:6px}
.seal-gate{width:96px;height:96px;font-size:54px;background:transparent;color:var(--ink-4);box-shadow:inset 0 0 0 2px var(--ink-4);transition:all .6s var(--ease)}
.seal-gate::after{display:none}
.gt-result.is-done .seal-gate{background:var(--zhusha);color:var(--paper);box-shadow:inset 0 0 0 3px rgba(246,240,225,.25);animation:stamp .6s var(--ease) both}
@keyframes stamp{0%{transform:scale(1.8) rotate(-14deg);opacity:0}60%{transform:scale(.94) rotate(-6deg);opacity:1}100%{transform:scale(1) rotate(-6deg)}}
.gt-msg{margin:0;font-size:14px;line-height:1.8;color:var(--ink-2)}
.gt-count{margin:0;white-space:nowrap;font-size:13px;letter-spacing:.2em;color:var(--ink-3)}
.gt-count span{font-size:1.6rem;color:var(--zhusha);font-weight:700}
/* shen */
.sh{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(20px,3vw,48px);align-items:center}
.sh-face{background:radial-gradient(closest-side,rgba(217,190,130,.32),rgba(217,190,130,0));display:grid;place-items:center;padding:4%;max-width:380px;justify-self:center;width:100%}
.sh-face svg{width:100%;height:auto;overflow:visible}
.sh-face path{fill:none;stroke:var(--ink);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;transition:d .7s var(--ease),opacity .5s,transform .7s var(--ease)}
.sh-face .sh-brow{stroke-width:4.2}
.sh-face .sh-nose{stroke-width:1.1;opacity:.6}
.sh-face .sh-eye{stroke-width:1.8}
.sh-face .sh-iris{fill:var(--ink);transition:transform .7s var(--ease)}
.sh-face .sh-crow,.sh-face .sh-glab{stroke:var(--zhusha);stroke-width:1.3;opacity:0}
.sh-face .sh-mouth{stroke-width:2}
.sh-face .sh-lip{stroke-width:1.1;opacity:.75}
.sh[data-m=smile] .sh-crow{opacity:1}
.sh[data-m=think] .sh-glab{opacity:1}
.sh-list{display:grid;gap:10px}
.sh-btn{width:100%;text-align:left;border:1px solid rgba(42,38,34,.16);background:transparent;border-radius:6px;padding:16px 20px;display:grid;grid-template-columns:auto 1fr;gap:2px 18px;transition:border-color .3s,background .3s,transform .5s var(--ease)}
.sh-btn:hover{border-color:var(--ink);transform:translateX(4px)}
.sh-btn.is-on{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.sh-k{grid-row:span 2;font-size:1.3rem;font-weight:700;letter-spacing:.08em;min-width:5em;align-self:center}
.sh-how{font-size:13.5px;color:var(--ink-3)}
.sh-what{font-size:14.5px}
.sh-btn.is-on .sh-how{color:rgba(246,240,225,.7)}
.sh-sum{grid-column:2;margin-top:28px;font-size:1.2rem;line-height:1.9;color:var(--ink-2);padding-left:20px;border-left:2px solid var(--tenghuang)}

/* ===== TIME ===== */
.time{background:linear-gradient(180deg,var(--paper),var(--paper-2))}
.drift{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:clamp(28px,5vw,96px);margin-top:clamp(56px,6vw,96px);align-items:center}
.drift-stage{position:relative}
.drift-svg{width:100%;max-width:340px;margin:0 auto;display:block;overflow:visible}
.drift-svg path{fill:none;stroke-linecap:round;stroke-linejoin:round}
.d-origin{stroke:var(--gold);stroke-width:1.6;stroke-dasharray:5 5}
.d-prev{stroke:var(--ink-4);stroke-width:1.4}
.d-now{stroke:var(--ink);stroke-width:2;transition:d .6s var(--ease)}
.d-feat path{stroke:var(--ink);stroke-width:1.4;transition:d .6s var(--ease)}
.d-feat .fo{stroke:var(--gold);stroke-dasharray:3 4;stroke-width:1.1}
.drift-key{display:flex;justify-content:center;gap:22px;font-size:13px;color:var(--ink-3);margin-top:12px;letter-spacing:.12em}
.drift-key i{display:inline-block;width:22px;height:0;border-top:2px solid;vertical-align:middle;margin-right:8px}
.k-origin{border-color:var(--gold)!important;border-top-style:dashed!important}.k-prev{border-color:var(--ink-4)!important}.k-now{border-color:var(--ink)!important}
.drift-case{font-size:clamp(1.15rem,1.6vw,1.45rem);line-height:1.8;margin:18px 0 34px}
.rng-l{display:block;font-size:14px;letter-spacing:.2em;color:var(--ink-2);margin-bottom:10px}
.rng-l output{font-size:2rem;font-weight:700;color:var(--zhusha);letter-spacing:0;padding:0 4px}
.rng{-webkit-appearance:none;appearance:none;width:100%;height:36px;background:transparent;cursor:pointer;margin:0}
.rng::-webkit-slider-runnable-track{height:2px;background:linear-gradient(90deg,var(--ink) var(--p,0%),var(--ink-4) var(--p,0%))}
.rng::-moz-range-track{height:2px;background:var(--ink-4)}
.rng::-moz-range-progress{height:2px;background:var(--ink)}
.rng::-webkit-slider-thumb{-webkit-appearance:none;width:26px;height:26px;margin-top:-12px;border-radius:50%;background:var(--zhusha);border:4px solid var(--paper);box-shadow:0 0 0 1px var(--zhusha);transition:transform .3s var(--ease)}
.rng::-moz-range-thumb{width:20px;height:20px;border-radius:50%;background:var(--zhusha);border:4px solid var(--paper);box-shadow:0 0 0 1px var(--zhusha)}
.rng:hover::-webkit-slider-thumb{transform:scale(1.15)}
.rng:focus-visible{outline:none}
.rng:focus-visible::-webkit-slider-thumb{box-shadow:0 0 0 3px var(--paper),0 0 0 5px var(--zhusha)}
.meters{display:grid;gap:16px;margin-top:26px}
.meter{display:grid;grid-template-columns:7em 1fr 7.5em;align-items:center;gap:14px;font-size:14px;color:var(--ink-2)}
.meter b{display:block;height:8px;background:rgba(42,38,34,.08);border-radius:4px;overflow:hidden}
.meter b i{display:block;height:100%;width:0;background:var(--ink-3);border-radius:4px;transition:width .6s var(--ease)}
.meter-o b i{background:var(--zhusha)}
.meter em{font-style:normal;font-size:13px;color:var(--ink-3)}
.drift-note{margin-top:26px;font-size:14px;color:var(--ink-3);line-height:1.85}
.rd{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:clamp(28px,5vw,96px);margin-top:clamp(96px,10vw,170px);padding-top:clamp(56px,6vw,96px);border-top:1px solid rgba(42,38,34,.14);align-items:center}
.rd-txt p{color:var(--ink-2);margin-top:18px;max-width:24em}
.rd-track{position:relative;display:grid;grid-template-columns:1fr 1fr 1fr;height:64px;border-radius:999px;overflow:visible;margin-bottom:10px}
.rd-zone{display:grid;place-items:center;font-size:14px;letter-spacing:.14em;transition:background .4s,color .4s}
.z1{background:rgba(43,93,138,.12);border-radius:999px 0 0 999px;color:#2B5D8A}
.z2{background:rgba(78,125,91,.16);color:#3B6447}
.z3{background:rgba(163,59,92,.12);border-radius:0 999px 999px 0;color:#8E3150}
.rd-true{position:absolute;left:50%;top:-14px;bottom:-14px;width:0;border-left:1.5px dashed var(--ink)}
.rd-true em{position:absolute;top:-26px;left:50%;transform:translateX(-50%);white-space:nowrap;font-style:normal;font-size:12px;letter-spacing:.2em;color:var(--ink-2)}
.rd-ui[data-z="1"] .z1,.rd-ui[data-z="2"] .z2,.rd-ui[data-z="3"] .z3{color:var(--paper)}
.rd-ui[data-z="1"] .z1{background:#2B5D8A}.rd-ui[data-z="2"] .z2{background:#4E7D5B}.rd-ui[data-z="3"] .z3{background:#A33B5C}
.rd-ui{padding-top:28px}
.rng-rd{margin-top:6px}
.rd-out{margin-top:14px;font-size:1.08rem;min-height:3.6em}

/* ===== CURRICULUM ===== */
.cu-head{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,5vw,90px);align-items:end}
.spines{display:grid;grid-template-columns:repeat(11,1fr);gap:clamp(4px,.7vw,10px);margin-top:clamp(48px,5vw,80px);align-items:end;height:clamp(250px,24vw,330px)}
.spine{width:100%;height:calc(82% + var(--k,0)*1.6%);border:0;background:var(--c);color:var(--fg,#FBF7EE);border-radius:3px 3px 0 0;display:flex;flex-direction:column;align-items:center;padding:16px 0 14px;gap:12px;position:relative;overflow:hidden;
  transition:transform .55s var(--ease),height .55s var(--ease),box-shadow .5s,filter .4s;box-shadow:inset -6px 0 10px -6px rgba(0,0,0,.25),inset 1px 0 0 rgba(255,255,255,.15)}
.spine::before{content:"";position:absolute;left:0;right:0;top:8px;height:1px;background:rgba(255,255,255,.35)}
.spine::after{content:"";position:absolute;left:0;right:0;bottom:30px;height:1px;background:rgba(255,255,255,.25)}
.spine-n{font-size:15px;font-weight:700;letter-spacing:.05em}
.spine-t{writing-mode:vertical-rl;font-size:clamp(13px,1.05vw,15px);letter-spacing:.16em;line-height:1.3;max-height:calc(100% - 52px);overflow:hidden;text-align:start}
.spine:hover{transform:translateY(-10px)}
.spines.has-sel .spine:not(.is-on){filter:saturate(.35) opacity(.55)}
.spine.is-on{transform:translateY(-18px);box-shadow:inset -6px 0 10px -6px rgba(0,0,0,.25),0 18px 30px -18px rgba(42,38,34,.6)}
.spine.is-on .spine-n::after{content:"";display:block;width:6px;height:6px;margin:6px auto 0;border-radius:50%;background:currentColor}
.spines li{display:flex;align-items:flex-end;height:100%}
.cu-tools{display:flex;flex-wrap:wrap;align-items:center;gap:16px 24px;margin-top:28px;padding:18px 0;border-top:1px solid rgba(42,38,34,.14);border-bottom:1px solid rgba(42,38,34,.14)}
.cu-layers{display:flex;gap:6px;flex-wrap:wrap}
.chip{border:1px solid rgba(42,38,34,.22);background:transparent;border-radius:999px;padding:7px 18px;font-size:14px;letter-spacing:.2em;transition:all .3s}
.chip:hover{border-color:var(--ink)}
.chip.is-on{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.cu-search{flex:1;min-width:200px;max-width:380px;margin-left:auto}
.cu-search input{width:100%;border:0;border-bottom:1px solid var(--ink-3);background:transparent;padding:10px 4px 10px 30px;font:inherit;font-size:15px;color:var(--ink);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' fill='none' stroke='%236E655B' stroke-width='1.6'%3E%3Ccircle cx='8' cy='8' r='6'/%3E%3Cpath d='M12.5 12.5L17 17'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:2px 50%;transition:border-color .3s}
.cu-search input:focus{outline:none;border-bottom-color:var(--zhusha)}
.cu-search input:focus-visible{outline:2px solid var(--zhusha);outline-offset:4px}
.cu-search input::placeholder{color:var(--ink-3)}
.cu-count{font-size:14px;color:var(--ink-3);letter-spacing:.1em}
.cu-count b{font-size:1.5rem;color:var(--ink)}
.cu-unit{margin-top:36px;display:grid;grid-template-columns:auto 1fr;gap:8px 36px;align-items:baseline;padding:28px 32px;background:var(--paper-2);border-left:4px solid var(--uc);animation:swapIn .6s var(--ease) both}
.cu-unit .cuu-n{font-size:clamp(3rem,5vw,4.8rem);font-weight:700;line-height:1;color:var(--uct);grid-row:span 3}
.cu-unit .cuu-t{font-size:var(--fs-m);font-weight:700}
.cu-unit .cuu-q{font-family:var(--kai);font-size:1.2rem;color:var(--ink-2)}
.cu-unit .cuu-g{font-size:14.5px;color:var(--ink-3)}
.lcs{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,290px),1fr));gap:0 clamp(16px,2vw,32px);margin-top:36px}
.lc{border-top:1px solid rgba(42,38,34,.14);transition:opacity .4s,transform .5s var(--ease)}
.lc.is-out{display:none}
.lc.pop{animation:popIn .55s var(--ease) both;animation-delay:calc(var(--o,0)*18ms)}
@keyframes popIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.lc-btn{width:100%;height:100%;text-align:left;border:0;background:none;padding:24px 14px 28px;display:grid;grid-template-columns:auto 1fr;grid-template-rows:auto auto 1fr auto;gap:4px 16px;position:relative;isolation:isolate;min-height:200px}
.lc-btn::before{content:"";position:absolute;inset:0;z-index:-1;background:var(--c);opacity:.07;transform:scaleY(0);transform-origin:50% 100%;transition:transform .6s var(--ease-ink)}
.lc-btn::after{content:"";position:absolute;left:0;top:-1px;height:2px;width:100%;background:var(--c);transform:scaleX(0);transform-origin:0 50%;transition:transform .6s var(--ease)}
.lc-btn:hover::before,.lc-btn:focus-visible::before{transform:scaleY(1)}
.lc-btn:hover::after,.lc-btn:focus-visible::after{transform:scaleX(1)}
.lc-n{grid-row:span 4;font-size:clamp(2.2rem,3vw,2.9rem);font-weight:700;line-height:1;color:var(--ct);letter-spacing:-.01em;transition:transform .5s var(--ease)}
.lc-btn:hover .lc-n{transform:translateY(-3px)}
.lc-meta{font-size:12px;letter-spacing:.2em;color:var(--ink-3);display:flex;align-items:center;gap:8px}
.lc-dot{width:7px;height:7px;border-radius:50%;background:var(--c)}
.lc-t{font-size:1.12rem;font-weight:700;line-height:1.55;letter-spacing:.02em}
.lc-i{font-size:14px;color:var(--ink-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-top:6px}
.lc-go{font-size:12.5px;letter-spacing:.2em;color:var(--ct);margin-top:10px;opacity:0;transform:translateX(-6px);transition:all .4s var(--ease)}
.lc-btn:hover .lc-go,.lc-btn:focus-visible .lc-go{opacity:1;transform:none}
.cu-empty{padding:60px 0;text-align:center;color:var(--ink-3)}
mark{background:rgba(178,58,46,.15);color:inherit;padding:0 1px}
/* dialog */
.lx{border:0;padding:0;background:transparent;max-width:min(860px,94vw);width:100%;max-height:92vh;color:var(--ink)}
.lx::backdrop{background:rgba(32,28,25,.6);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}
.lx[open]{animation:lxIn .55s var(--ease) both}
.lx[open]::backdrop{animation:fadeIn .4s ease both}
@keyframes lxIn{from{opacity:0;transform:translateY(24px) scale(.98)}to{opacity:1;transform:none}}
.lx-in{background:var(--paper);border-top:6px solid var(--uc,var(--zhusha));padding:clamp(28px,5vw,64px);position:relative;overflow:hidden;max-height:92vh;overflow-y:auto}
.lx-x{position:absolute;right:14px;top:10px;width:44px;height:44px;border:0;background:none;font-size:30px;line-height:1;color:var(--ink-2);border-radius:50%;transition:background .3s,transform .4s var(--ease)}
.lx-x:hover{background:var(--paper-2);transform:rotate(90deg)}
.lx-u{font-size:13px;letter-spacing:.3em;color:var(--uct,var(--zhusha))}
.lx-n{position:absolute;right:clamp(20px,4vw,48px);top:clamp(26px,4vw,50px);font-size:clamp(6rem,14vw,10rem);font-weight:700;line-height:1;color:var(--uc);opacity:.1;pointer-events:none}
.lx-t{font-size:var(--fs-l);line-height:1.3;margin:12px 0 26px;max-width:14em;position:relative}
.lx-i{font-size:clamp(1.15rem,1.6vw,1.4rem);line-height:1.9;padding:4px 0 4px 22px;border-left:3px solid var(--uc);margin-bottom:30px}
.lx-dl{display:grid;gap:18px}
.lx-dl div{display:grid;grid-template-columns:8em 1fr;gap:16px;padding-top:16px;border-top:1px solid rgba(42,38,34,.12)}
.lx-dl dt{font-size:13px;letter-spacing:.24em;color:var(--ink-3);padding-top:3px}
.lx-dl dd{line-height:1.85}
.lx-nav{display:flex;justify-content:space-between;gap:12px;margin-top:36px}

/* ===== VIEWS ===== */
.vw-head{display:grid;grid-template-columns:1fr auto;align-items:end;gap:24px}
.vw-head .eyebrow{grid-column:1/-1}
.vw-legend{display:grid;gap:6px;font-size:14px;color:var(--ink-2)}
.vw-legend li{display:flex;align-items:center;gap:10px}
.vw-legend li::before{content:"";width:22px;height:3px;background:var(--c)}
.vws{margin-top:clamp(48px,5vw,80px);border-top:1px solid var(--ink)}
.vw{display:grid;grid-template-columns:70px minmax(0,1.05fr) minmax(0,1.6fr) 60px;gap:clamp(12px,2.5vw,40px);align-items:baseline;padding:26px 0;border-bottom:1px solid rgba(42,38,34,.14);position:relative;transition:padding .5s var(--ease)}
.vw::before{content:"";position:absolute;left:0;top:-1px;bottom:-1px;width:3px;background:var(--c);transform:scaleY(0);transition:transform .5s var(--ease)}
.vw:hover{padding-left:18px}
.vw:hover::before{transform:scaleY(1)}
.vw-n{font-size:1.5rem;font-weight:700;color:var(--c)}
.vw-t{font-size:clamp(1.2rem,1.7vw,1.6rem);line-height:1.45;letter-spacing:.03em}
.vw-c{color:var(--ink-2);line-height:1.85}
.vw-l{justify-self:end;display:grid;place-items:center;min-width:38px;height:38px;border:1px solid var(--c);color:var(--c);border-radius:50%;font-weight:700;font-size:15px;transition:background .4s,color .4s}
.vw:hover .vw-l{background:var(--c);color:var(--paper)}

/* ===== CLASSICS ===== */
.classics{background:var(--paper-2);overflow:hidden}
.classics::before{content:"";position:absolute;inset:0;background:url(../img/mtn_far-s.webp) center bottom/100% auto no-repeat;opacity:.25;pointer-events:none}
.cls{display:flex;flex-direction:row-reverse;justify-content:space-between;gap:clamp(20px,4vw,64px);margin-top:clamp(56px,6vw,96px)}
.cl{display:flex;flex-direction:row;gap:18px;align-items:flex-start}
.cl:nth-child(2){--rd:.15s;margin-top:clamp(40px,6vw,110px)}.cl:nth-child(3){--rd:.3s;margin-top:clamp(20px,3vw,50px)}
.cl-q{writing-mode:vertical-rl;font-size:clamp(2rem,3.4vw,3.5rem);line-height:1.5;letter-spacing:.14em;color:var(--ink);height:max-content;order:2}
.cl figcaption{writing-mode:vertical-rl;display:flex;gap:12px;font-size:14px;color:var(--ink-3);letter-spacing:.14em;line-height:1.7;max-height:24em;order:1}
.cl cite{font-style:normal;color:var(--zhusha);font-weight:700;letter-spacing:.2em}
.cl figcaption span{max-height:18em}
.cl-foot{margin-top:clamp(64px,7vw,110px);max-width:42em;color:var(--ink-2);font-size:1.05rem;line-height:2;position:relative;padding-top:28px}
.cl-foot::before{content:"";position:absolute;top:0;left:0;width:60px;height:1px;background:var(--gold)}

/* ===== BOOK ===== */
.bk-head{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(24px,5vw,90px);align-items:center}
.bk-head .lede{margin-top:24px}
.bk-cta{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:36px}
.bk-meta{font-size:13px;color:var(--ink-3);letter-spacing:.14em}
.pages{position:relative;height:clamp(320px,34vw,500px)}
.pg{position:absolute;top:50%;left:50%;width:clamp(170px,18vw,270px);height:auto;box-shadow:0 30px 50px -25px rgba(42,38,34,.45),0 2px 6px rgba(42,38,34,.12);border-radius:2px;transition:transform .9s var(--ease)}
.pg1{transform:translate(-50%,-50%) translateX(-58%) rotate(-9deg)}
.pg2{transform:translate(-50%,-50%) translateX(58%) rotate(8deg)}
.pg3{transform:translate(-50%,-50%) rotate(-1deg);z-index:2}
.pages:hover .pg1{transform:translate(-50%,-50%) translateX(-82%) rotate(-13deg)}
.pages:hover .pg2{transform:translate(-50%,-50%) translateX(82%) rotate(12deg)}
.pages:hover .pg3{transform:translate(-50%,-52%) rotate(0)}
.gl{display:flex;gap:clamp(16px,2vw,32px);overflow-x:auto;scroll-snap-type:x mandatory;margin-top:clamp(56px,6vw,96px);padding-bottom:20px;scrollbar-width:none;margin-inline:calc(var(--gut)*-1);padding-inline:var(--gut);scroll-padding-inline:var(--gut)}
.gl::-webkit-scrollbar{display:none}
.gl-item{flex:none;width:min(600px,82vw);scroll-snap-align:start}
.gl-img{background:#F5F0E1;border:1px solid rgba(42,38,34,.1);overflow:hidden;border-radius:3px}
.gl-img img{width:100%;height:auto;transition:transform 1.1s var(--ease)}
.gl-item:hover .gl-img img{transform:scale(1.04)}
.gl-item figcaption{font-size:14px;color:var(--ink-2);margin-top:14px;line-height:1.7;display:flex;gap:12px}
.gl-item figcaption b{flex:none;color:var(--zhusha);font-weight:700;letter-spacing:.06em}
.gl-bar{height:2px;background:rgba(42,38,34,.12);margin-top:10px;position:relative;overflow:hidden}
.gl-bar span{position:absolute;inset:0;background:var(--ink);transform-origin:0 50%;transform:scaleX(var(--g,.15))}

/* ===== BOUNDARY ===== */
.boundary{padding-block:clamp(80px,9vw,150px)}
.bds{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(16px,3vw,44px);margin-top:clamp(36px,4vw,60px)}
.bds li{padding-top:18px;border-top:2px solid var(--ink);color:var(--ink-2);font-size:15px;line-height:1.85}
.bds b{display:block;font-size:1.3rem;color:var(--zhusha);letter-spacing:.12em;margin-bottom:10px}
.bds li:nth-child(2){--rd:.08s}.bds li:nth-child(3){--rd:.16s}.bds li:nth-child(4){--rd:.24s}

/* ===== FOOTER ===== */
.foot{background:var(--ink);color:var(--paper);padding:clamp(96px,11vw,180px) 0 40px;position:relative;overflow:hidden}
.foot::before{content:"";position:absolute;left:0;right:0;bottom:0;height:60%;background:url(../img/mtn_mid-s.webp) center bottom/max(100%,1100px) auto no-repeat;opacity:.18;filter:invert(1) sepia(.4);pointer-events:none}
.foot-big{font-size:clamp(2.4rem,6.6vw,7rem);font-weight:700;line-height:1.22;letter-spacing:.04em;display:grid;position:relative}
.foot-big span:nth-child(1){color:#D3A27A}.foot-big span:nth-child(2){color:#86AED6;padding-left:1em}.foot-big span:nth-child(3){color:#E07A6C;padding-left:2em}
.foot-row{display:flex;flex-wrap:wrap;align-items:flex-end;gap:28px 48px;margin-top:clamp(56px,7vw,110px);padding-top:32px;border-top:1px solid rgba(246,240,225,.18);position:relative}
.foot-meta{font-size:14px;color:rgba(246,240,225,.75);line-height:1.9}
.foot-nav{display:flex;flex-wrap:wrap;gap:8px 24px;margin-left:auto}
.foot-nav a{text-decoration:none;font-size:14px;letter-spacing:.14em;color:rgba(246,240,225,.85);transition:color .3s}
.foot-nav a:hover{color:var(--gold-l)}
.foot :focus-visible{outline-color:var(--gold-l)}
.foot-fine{position:relative;font-size:12.5px;color:rgba(246,240,225,.55);margin-top:36px;letter-spacing:.06em}

/* ===== RESPONSIVE ===== */
@media (max-width:1180px){
  .nav-links{display:none}
  .menu-btn{display:block}
  .hero-grid{grid-template-columns:auto 1fr;grid-template-areas:"t f" "s s"}
  .hero-title{grid-area:t}.hero-face{grid-area:f}.hero-side{grid-area:s;padding-bottom:clamp(180px,30vw,320px)}
  .hero-mtns{height:clamp(200px,38vw,400px)}
  .fm-body{grid-template-columns:1fr 1fr}
  .spines{grid-template-columns:repeat(11,minmax(52px,1fr))}
}
@media (max-width:900px){
  .fm-head,.cu-head,.bk-head{grid-template-columns:1fr}
  .fm-body{grid-template-columns:1fr}
  .fm-panel{position:static}
  .fm-card{min-height:0}
  .fm-svg{max-height:none;max-width:520px;margin:0 auto}
  .path-nodes{grid-template-columns:1fr 1fr;row-gap:48px}
  .path-line{display:none}
  .ly-grid{grid-template-columns:1fr;grid-template-areas:"axis" "cols" "face" "det"}
  .ly-face svg{max-width:260px}
  .ly-detail dl{grid-template-columns:1fr}
  .rules{grid-template-columns:1fr}
  .tool{grid-template-columns:1fr}
  .tool-h{position:static}
  .sh-sum{grid-column:1}
  .drift,.rd{grid-template-columns:1fr}
  .vw{grid-template-columns:48px 1fr 44px;row-gap:6px}
  .vw-c{grid-column:2/3}
  .vw-l{grid-row:1;grid-column:3}
  .bds{grid-template-columns:1fr 1fr}
  .spines{display:flex;overflow-x:auto;scroll-snap-type:x proximity;height:auto;padding-top:22px;margin-inline:calc(var(--gut)*-1);padding-inline:var(--gut);scrollbar-width:none;gap:8px}
  .spines::-webkit-scrollbar{display:none}
  .spines li{flex:none;width:58px;height:270px;scroll-snap-align:start}
  .spines{scroll-padding-inline:var(--gut)}
  .spine-t{font-size:12.5px;letter-spacing:.1em}
  .spine{height:100%}
  .cls{flex-direction:column;align-items:stretch}
  .cl,.cl:nth-child(2),.cl:nth-child(3){margin-top:0;justify-content:flex-end;flex-direction:row}
  .pages{height:clamp(300px,70vw,440px)}
  .pg{width:clamp(150px,38vw,240px)}
}
@media (max-width:600px){
  .cu-unit{grid-template-columns:1fr;padding:24px 22px;gap:6px}
  .cu-unit .cuu-n{grid-row:auto;font-size:2.8rem;margin-bottom:6px}
  .vw-head{grid-template-columns:1fr}
  .fic{align-items:flex-start;line-height:1.6}
  body{font-size:1rem;line-height:1.85}
  .m-br{display:inline}
  .sec-label{left:auto;right:10px;top:calc(var(--sec-pad) - 64px);gap:8px;font-size:11px}
  .sl-n{width:24px;height:24px;font-size:12px}
  .nav{padding:10px 16px}
  .nav-cta{display:none}
  .hero{padding-top:84px}
  .hero-grid{grid-template-columns:auto 1fr;gap:16px}
  .hero-title{gap:8px}
  .ht-b{font-size:clamp(2.7rem,13vw,3.6rem)}
  .ht-a{font-size:clamp(1.05rem,5vw,1.35rem)}
  .hero-face{width:100%;margin-top:0}
  .hf-guides text{display:none}
  .hero-side{padding-bottom:clamp(150px,44vw,220px)}
  .tl{font-size:1.5rem}
  .hero-lede{font-size:.98rem}
  .seal-hero{display:none}
  .scroll-cue{display:none}
  .triad{grid-template-columns:1fr;gap:56px}
  .tri-ch{font-size:7.5rem}
  .scrub-sub{padding-left:0}.scrub-sub::before{display:none}
  .path-nodes{grid-template-columns:1fr}
  .pn{display:grid;grid-template-columns:76px 1fr;column-gap:18px}
  .pn-ch{width:76px;height:76px;font-size:1.8rem;grid-row:span 2;margin:0}
  .pn:nth-child(4) .pn-ch{font-size:1.3rem}
  .pn-k{margin:8px 0 6px}
  .pu{grid-column:2}
  .fm-tabs{display:flex;width:100%}
  .chip{padding:7px 13px;letter-spacing:.1em}
  .cu-tools{gap:14px}
  .fm-tab{flex:1;padding:10px 0;letter-spacing:.16em}
  .fm-name{font-size:2.4rem}
  .ly-cols{height:300px}
  .ly-col{padding:14px 10px}
  .ly-name{font-size:1.4rem;letter-spacing:.04em}
  .ly-speed{font-size:12px;letter-spacing:.02em}
  .st-ctrl .fic{margin-left:0}
  .jy-tab{padding:16px 10px}
  .jy-do{font-size:12.5px}
  .gt-wrap{grid-template-columns:1fr}
  .gt-result{position:static;display:grid;grid-template-columns:auto 1fr;gap:4px 18px;text-align:left;align-items:center}
  .gt-result .seal-gate{grid-row:span 2;width:70px;height:70px;font-size:38px}
  .gt-msg{margin-top:0}.gt-count{margin-top:0}
  .gt{grid-template-columns:22px 44px 1fr 26px;gap:10px;padding:16px 2px}
  .gt-k{font-size:1.2rem}
  .gt-q{font-size:15px}
  .sh{grid-template-columns:1fr}
  .sh-face{max-width:260px;margin:0 auto;width:100%}
  .meter{grid-template-columns:6em 1fr;}
  .meter em{grid-column:2}
  .rd-zone{font-size:12px;letter-spacing:.02em;padding:0 4px;text-align:center;line-height:1.35}
  .lx-dl div{grid-template-columns:1fr;gap:4px}
  .lc-btn{min-height:0;padding:20px 6px 22px}
  .bds{grid-template-columns:1fr}
  .vw{grid-template-columns:40px 1fr 40px}
  .foot-big span:nth-child(2){padding-left:.6em}.foot-big span:nth-child(3){padding-left:1.2em}
  .foot-nav{margin-left:0}
  .cl-q{font-size:1.85rem}
}
@media (min-width:1700px){
  :root{--max:1480px}
  body{font-size:1.125rem}
}

/* ===== reduced motion ===== */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-delay:0s!important;transition-duration:.001ms!important;transition-delay:0s!important}
  .js .reveal{opacity:1;transform:none;filter:none}
  .js .ch,.js .tl,.js .hero-lede,.js .hero-cta,.js .hero-kicker,.js .hf-solid,.js .hf-guides,.js .hero-mtns{opacity:1;filter:none;transform:none;animation:none}
  .js .hf path{stroke-dashoffset:0;animation:none}
  .js .layers{background:var(--ink)}
  .ink-spread{display:none}
  .scroll-cue i{animation:none}
  .tri-ch{background-size:100% 100%}
}

/* ---- iteration 1 patches ---- */
.fm-layer[data-layer=gong] .fm-lab{opacity:0;transition:opacity .35s,font-size .3s}
.fm-layer[data-layer=gong] .fm-lab.is-on{opacity:1}
.fm-layer[data-layer=gong] .fm-region ellipse{stroke-dasharray:2.5 2.5}
.sh-face .sh-skull{stroke-width:1.1;opacity:.5}
.sh-face .sh-ear{stroke-width:1.2;opacity:.8}
.sh-face .sh-hair{stroke:var(--gold);stroke-dasharray:3 5;stroke-width:1.1}
.sh-face .sh-iris{transform-box:fill-box;transform-origin:center}
.sh[data-m=smile] .sh-iris{transform:scaleY(.62) translateY(2px)}
.sh[data-m=talk] .sh-iris{transform:scale(1.06)}
.gt-result .seal-gate{width:72px;height:72px;font-size:40px}
.hf-fill{fill:url(#hfg);opacity:.92}
.js .hf-fill{opacity:0;animation:fadeIn92 1.6s ease forwards .4s}
@keyframes fadeIn92{to{opacity:.92}}
.hero-side{position:relative}
.hero-side::before{content:"";position:absolute;inset:-12% -14% -10% -14%;background:radial-gradient(closest-side,rgba(246,240,225,.92) 55%,rgba(246,240,225,0));z-index:-1;pointer-events:none}
@media (prefers-reduced-motion:reduce){.js .hf-fill{opacity:.92;animation:none}}

/* ===== UI pass · lecture modal ===== */
.lx-in{--lxp:clamp(28px,5vw,64px);padding:var(--lxp);padding-bottom:0}
.lx-u{padding-right:52px;line-height:1.7}
.lx-t{max-width:15em;text-wrap:balance}
.lx-t-n{display:block;font-size:.5em;letter-spacing:.3em;color:var(--ink-3);font-weight:400;margin-bottom:.45em}
.lx-foot{position:sticky;bottom:0;z-index:2;display:grid;grid-template-columns:auto 1fr auto;gap:10px;align-items:stretch;margin:36px calc(-1*var(--lxp)) 0;padding:14px var(--lxp) max(14px,env(safe-area-inset-bottom));background:linear-gradient(rgba(246,240,225,.86),var(--paper) 40%);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-top:1px solid rgba(42,38,34,.12)}
.lx-step{display:inline-flex;align-items:center;gap:8px;min-height:52px;padding:0 18px;border:1px solid rgba(42,38,34,.22);border-radius:999px;background:transparent;color:var(--ink);font:inherit;font-size:14px;letter-spacing:.12em;cursor:pointer;transition:border-color .3s,background-color .3s,transform .35s var(--ease)}
.lx-step em{font-style:normal}
.lx-step:hover:not(:disabled){border-color:var(--ink);background:rgba(255,255,255,.5)}
.lx-step:active:not(:disabled){transform:scale(.96)}
.lx-step:disabled{opacity:.3;cursor:default}
.lx-read{display:flex;flex-direction:column;justify-content:center;align-items:center;gap:2px;min-height:52px;padding:6px 20px;border-radius:999px;background:var(--uct,var(--zhusha));color:var(--paper);text-decoration:none;text-align:center;transition:filter .3s,transform .35s var(--ease),box-shadow .35s}
.lx-read:hover{filter:brightness(1.08);box-shadow:0 10px 24px -14px var(--uc)}
.lx-read:active{transform:scale(.98)}
.lx-read-t{font-weight:700;letter-spacing:.2em;font-size:15px}
.lx-read-t::after{content:"→";margin-left:.6em;display:inline-block;transition:transform .35s var(--ease)}
.lx-read:hover .lx-read-t::after{transform:translateX(4px)}
.lx-read-m{font-size:12px;letter-spacing:.08em;opacity:.82;font-variant-numeric:tabular-nums}
.lx-read-m:empty{display:none}
@media (max-width:600px){
  .lx{max-width:100vw;max-height:100dvh;height:100dvh;margin:0}
  .lx-in{max-height:100dvh;height:100%;border-radius:0;--lxp:22px}
  .lx-x{top:6px;right:6px}
  .lx-n{font-size:6.5rem;top:40px}
  .lx-t{font-size:1.75rem}
  .lx-step{padding:0 14px}
  .lx-step em{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
}
/* ===== UI pass · index ===== */
@media (min-width:601px) and (max-width:1023px){.sec-label{display:none}}
.spine-t{letter-spacing:.12em}
.lc-btn{transition:transform .45s var(--ease),background-color .3s}
.lc-btn:active{transform:scale(.985)}
@media (max-width:600px){.lx-u{letter-spacing:.14em}}

/* unified footer (adapted from www.real.stemcell.gold) */
.site-footer{padding:4rem 1.25rem calc(2rem + env(safe-area-inset-bottom));border-top:1px solid rgba(42,38,34,.18)}
.footer-main,.footer-bottom{width:100%;max-width:80rem;margin-inline:auto}
.footer-main{display:grid;gap:3rem}
.site-footer p{margin:0;color:#6B6259;font-size:.9rem}
.footer-brand{display:inline-flex;align-items:center;gap:.9rem;text-decoration:none;color:#2A2622}
.footer-seal{display:inline-grid;place-items:center;width:44px;height:44px;background:#B23A2E;color:#F6F0E1;border-radius:6px;font-size:12px;line-height:1.15;text-align:center;font-family:"Noto Serif CJK SC","Songti SC",STSong,serif}
.footer-seal b{font-weight:600;display:block}
.footer-brand-name{font-family:"Noto Serif CJK SC","Songti SC",STSong,serif;font-size:1.25rem;font-weight:600}
.footer-slogan{max-width:38rem;margin-top:1.25rem;line-height:1.9}
.footer-qrs{margin:2rem 0;display:flex;flex-wrap:wrap;gap:2rem}
.footer-qr-item{display:grid;gap:.6rem;text-decoration:none;color:#6B6259;font-size:.8rem}
.footer-qr-item img{display:block;width:7.5rem;height:auto;border:1px solid rgba(42,38,34,.18);transition:transform .2s ease}
.footer-qr-item:hover img{transform:translateY(-3px)}
.footer-qr-item:hover span{text-decoration:underline;text-underline-offset:4px}
.footer-disclaimer{max-width:40rem;line-height:1.9;font-size:.82rem}
.footer-grid{display:grid;gap:2.5rem}
.footer-grid h2{margin:0 0 .85rem;font-family:ui-monospace,"SFMono-Regular",Consolas,monospace;font-size:.75rem;font-weight:650;letter-spacing:.08em;color:#2A2622}
.footer-grid ul{margin:0;padding:0;list-style:none}
.footer-grid li{color:#6B6259;font-size:.85rem;line-height:1.8}
.footer-grid li a{min-height:44px;display:inline-flex;align-items:center;text-decoration:none;color:#6B6259}
.footer-grid a:hover,.footer-bottom a:hover{text-decoration:underline;text-underline-offset:4px}
.footer-notices li{margin-bottom:1rem}
.footer-bottom{margin-top:3rem;padding-top:1.5rem;border-top:1px solid rgba(42,38,34,.18);display:flex;flex-direction:column;gap:1rem}
.footer-bottom p{line-height:1.9;font-size:.82rem}
.footer-bottom a{color:#2A2622}
.back-top{flex:0 0 auto;min-height:44px;display:inline-flex;align-items:center;align-self:flex-start;font-weight:650;text-decoration:none;color:#2A2622}
.back-top:hover{text-decoration:underline;text-underline-offset:4px}
@media (min-width:56rem){
.footer-main{grid-template-columns:minmax(0,1.05fr) minmax(0,1.3fr);gap:4rem}
.footer-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.footer-bottom{flex-direction:row;justify-content:space-between;align-items:center}
}