/* Way to Sunxue — source, understanding, and direct reading. */
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*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:95px;scrollbar-gutter:stable}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.7 var(--sans);-webkit-font-smoothing:antialiased}
body.modal-open{overflow:hidden}
h1,h2,h3,h4,p,figure{margin:0}
a{color:inherit;text-decoration:none}
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a,button{touch-action:manipulation;-webkit-tap-highlight-color:transparent}
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.brand svg{width:28px;height:28px;color:#f3a06d}
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.site-header nav a{padding:20px 0}
.site-header nav a[aria-current],.site-header nav a:hover{color:#ffd1ae}
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.hero-inner{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:0 25px;padding-top:58px}
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.hero-thesis strong{font-weight:500;color:#ffc294}
.hero-description{margin-top:15px;color:#c1b6c2;font-size:15px;line-height:1.9}
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.hero-visual-info{position:relative;min-height:510px}
.hero-art{position:absolute;width:min(1360px,108vw);left:50%;top:-120px;transform:translate(calc(-65.625% + var(--art-x,0px)),var(--art-y,0px));transition:transform 1s ease-out;pointer-events:none;container-type:inline-size;z-index:0}
.hero-art::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,#09090b 0%,#09090bea 12%,#09090b80 28%,transparent 53%),linear-gradient(0deg,#09090b 0%,transparent 35%)}
.hero-art img{display:block;width:100%;height:auto}
.hero-win{position:absolute;left:65.625%;top:44%;transform:translate(-50%,-50%);width:20%;text-align:center;z-index:1;text-shadow:0 3px 30px #000}
.hero-win b{display:block;font-size:8.2cqw;font-weight:300;line-height:1;color:#ffefd6;text-shadow:0 0 40px #ffb94b3d;letter-spacing:0}
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.hero-win>span{bottom:calc(100% + 20px)}
.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:25px;margin-bottom:28px}
.section-label{font:10px var(--mono);letter-spacing:.14em;color:#b38c72;margin-bottom:14px}
h2{font-size:35px;font-weight:450;line-height:1.45;letter-spacing:-.045em}
.source-link{font-size:11px;color:#d6ae8d;white-space:nowrap;padding-block:6px}
.framework-section{padding-block:62px}
.muscle-card{background:linear-gradient(155deg,#1b302b,#131816);border-color:#405e52}
.muscle-card p{color:#a7b9b0}
.architecture-section{padding-block:61px 42px;background:radial-gradient(ellipse at 52% 22%,#241c18,#101014 75%);border-block:1px solid #342c2b}
.architecture-section .section-heading{margin-bottom:13px}
.architecture-intro{font-size:13px;color:#c5b6c0;margin-bottom:26px}
.graph-board{position:relative;border:1px solid #383135;border-radius:14px;padding:25px 22px;background:#0b0a0d8c}
.graph-lines{position:absolute;inset:0;width:100%;height:100%;z-index:0;overflow:visible;pointer-events:none}
.graph-lines path{fill:none;stroke-width:1.35;transition:opacity .2s,stroke-width .2s;opacity:.42}
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.graph-board.is-highlighting .graph-lines path{opacity:.07}
.graph-board.is-highlighting .graph-lines path.is-active{opacity:1;stroke-width:2.2}
.graph-row{position:relative;z-index:1;display:grid;grid-template-columns:85px minmax(0,1fr);gap:19px}
.layer-label{display:flex;flex-direction:column;justify-content:center;border-left:1px solid #71523b;padding-left:10px;align-self:center}
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.graph-row-content{min-width:0}
.essence-row{margin-top:62px}
.essence-nodes{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;position:relative}
.essence-nodes::before{content:'';position:absolute;inset:-12px;border:1px solid #d89b5d;border-radius:12px;pointer-events:none;background:#ffae5210;box-shadow:0 0 28px #fa9b3914}
.graph-node{transition:border-color .2s,box-shadow .2s}
.graph-node:hover,.graph-node.is-related{border-color:#a18d7d}
.essence-node:hover,.essence-node.is-related{border-color:#ffd4a6;box-shadow:0 0 24px #ec9c4433}
.essence-node{display:flex;flex-direction:column;position:relative;border:1px solid #926746;border-radius:8px;background:#302219;padding:16px 14px;text-align:left;min-height:123px}
.essence-node>span{display:flex;justify-content:space-between;align-items:center;font-size:10px;color:#e3b58f}
.essence-node>span>i{font-style:normal;font-size:15px}
.essence-node h3{font-size:15px;font-weight:500;line-height:1.6;margin-top:8px}
.essence-node p{font-size:10px;color:#c2adba;line-height:1.8;margin-top:6px}
.essence-node.tone-yellow{border-color:#807246;background:#292519}
.essence-node.tone-muscle{border-color:#537962;background:#1a2920}
.raw-row{margin-top:102px}
.raw-nodes{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:11px}
.raw-node{display:flex;flex-direction:column;border:1px solid #383238;border-radius:8px;background:#121114;padding:14px 12px;min-height:195px}
.raw-node time{font:9px var(--mono);color:#a99ea6}
.raw-author{font-size:10px;color:#cebdc9;line-height:1.7;margin-top:10px}
.raw-node h3{font-size:12px;font-weight:500;line-height:1.7;margin-top:6px}
.raw-node p{font-size:10px;color:#a99aaa;line-height:1.8;margin-top:6px}
.raw-open{font-size:10px;color:#b4a7b1;margin-top:auto;padding-top:13px}
.graph-legend{display:flex;align-items:center;gap:22px;font-size:10px;color:#bbacb9;margin-top:16px}
.graph-legend>span{display:inline-flex;gap:7px;align-items:center}
.graph-legend i{display:inline-block;width:16px;height:1px;background:#d59c72}
.graph-legend>small{margin-left:auto;color:#a595a6;font-size:10px}
.mobile-graph{display:none}
.content-dialog{position:fixed;inset:0;margin:auto;color:var(--ink);border:1px solid #826047;background:#121114;border-radius:15px;padding:0;width:min(780px,calc(100vw - 64px));max-width:none;max-height:calc(100dvh - 56px);box-shadow:0 25px 120px #000b;overflow:hidden}
.content-dialog::backdrop{background:#030305cf;backdrop-filter:blur(10px)}
.content-dialog[open]{display:flex;flex-direction:column}
.dialog-top{display:flex;justify-content:space-between;align-items:center;gap:22px;padding:24px 32px;border-bottom:1px solid #48352a;background:linear-gradient(100deg,#251b16,#151215);flex-shrink:0}
.dialog-top .section-label{font-size:9px;margin-bottom:8px}
.dialog-top h2{font-size:28px}
.dialog-close{width:41px;height:41px;flex-shrink:0;border:1px solid #79543e;border-radius:50%;color:#e7be9c;font:26px/1 var(--sans);display:grid;place-items:center}
.dialog-close:hover{background:#4a3020}
.dialog-scroll{padding:27px 32px;overflow-y:auto;overscroll-behavior:contain}
.source-dialog{width:min(650px,calc(100vw - 48px))}
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.source-image{display:block;width:100%;height:auto;border-radius:5px;border:1px solid #352f2d}
.source-caption{font-size:10px;color:#ae99a6;margin-top:18px}
.source-actions{display:flex;justify-content:space-between;gap:16px;margin-top:15px;font-size:11px;color:#e3af88}

@media(max-width:1150px){.page-width{width:calc(100% - 64px)}
.hero-art{width:1200px;top:-95px}
.hero-thesis{font-size:21px}
.hero-description{font-size:14px}
.graph-board{padding:22px 15px}
.graph-row{grid-template-columns:72px minmax(0,1fr);gap:16px}
.essence-nodes{gap:9px}
.essence-node{padding:14px 10px}
.essence-node h3{font-size:13px}
.raw-nodes{gap:8px}
.raw-node{padding:12px 9px;min-height:220px}
.raw-node h3{font-size:11px}
.raw-node p{font-size:9px}
h2{font-size:30px}
}

@media(max-width:900px){.header-inner{width:calc(100% - 48px)}
.hero-inner{grid-template-columns:1.2fr 1fr;padding-top:48px}
.hero-art{width:1050px;top:-35px}
.hero-visual-info{min-height:510px}
.hero-description{font-size:13px}
.hero-actions{gap:14px}
.button{padding:12px 15px;gap:14px;font-size:12px}
.graph-row{grid-template-columns:1fr}
.layer-label{position:absolute;left:0;top:0;transform:translateY(-35px);flex-direction:row;gap:9px;align-items:baseline}
.layer-label>strong{font-size:12px;margin:0}
.layer-label>em{margin:0}
.graph-board{padding-top:53px}
.essence-row{margin-top:83px}
.raw-row{margin-top:120px}
.section-heading{gap:15px}
.source-link{font-size:10px}
}

@media(max-width:760px){html{scrollbar-gutter:auto;scroll-padding-top:83px}
.page-width{width:calc(100% - 40px)}
.header-inner{height:67px;width:calc(100% - 32px);gap:15px}
.brand{font-size:14px;gap:8px}
.brand svg{width:23px;height:23px}
.site-header nav{gap:20px;font-size:11px}
.hero-inner{grid-template-columns:1fr;padding-top:36px;gap:0}
.eyebrow{font-size:10px;margin-bottom:18px;letter-spacing:.12em}
h1{line-height:1.16}
.hero-thesis{font-size:20px}
.hero-description{font-size:13px;margin-top:12px;line-height:1.9}
.hero-actions{gap:22px;margin-top:22px}
.button{font-size:12px;min-height:47px;padding:11px 16px;gap:23px}
.quote-source{font-size:10px}
.hero-visual-info{height:380px;min-height:0;margin-top:17px}
.hero-art{width:850px;top:-37px;left:50%;mask-image:linear-gradient(0deg,transparent,#000 28%,#000 74%,transparent)}
.hero-art::after{background:linear-gradient(0deg,#09090b 0%,transparent 38%)}
.hero-win>span{bottom:calc(100% + 15px);font-size:8px}
.section-heading{align-items:flex-start;gap:13px;flex-direction:column;margin-bottom:22px}
.section-label{font-size:9px;letter-spacing:.1em;margin-bottom:11px}
h2{font-size:28px;line-height:1.45}
.source-link{font-size:11px;padding:0}
.framework-section{padding-block:46px}
.architecture-section{padding-block:46px 32px}
.architecture-intro{font-size:12px;line-height:1.9;margin-bottom:23px}
.graph-board,.graph-legend{display:none}
.mobile-graph{display:block}
.mobile-essence-heading{display:flex;justify-content:space-between;align-items:center;border-top:1px solid #5e4430;padding-top:23px;margin:24px 0 14px}
.mobile-essence-heading strong{font-size:13px;font-weight:500;color:#eac19d}
.mobile-essence-heading em{margin:0}
.mobile-map-branch{border:1px solid #745139;border-radius:9px;overflow:hidden;margin-top:14px;box-shadow:0 3px 22px #b4742610}
.mobile-map-branch .essence-node{border:0;border-radius:0;min-height:auto;padding:15px 17px}
.mobile-map-branch .essence-node h3{font-size:17px;margin-top:5px}
.mobile-map-branch .essence-node p{font-size:11px}
.mobile-sources{background:#111013;font-size:10px;color:#c6ac98;border-top:1px solid #4e3929}
.mobile-sources summary{cursor:pointer;padding:12px 17px;min-height:43px}
.mobile-sources>div{padding:0 17px 15px}
.mobile-sources a{display:block;border-left:1px solid #604731;padding-left:11px;margin-top:10px;line-height:1.9;color:#c1afbb}
.mobile-sources a span{display:block;font-size:9px;color:#a9949e;margin-top:2px}
.content-dialog{width:calc(100vw - 20px);max-height:calc(100dvh - 20px);border-radius:12px}
.dialog-top{padding:20px 19px;gap:14px}
.dialog-top h2,.source-dialog .dialog-top h2{font-size:21px}
.dialog-top .section-label{font-size:8px;letter-spacing:.03em}
.dialog-close{width:33px;height:33px;font-size:23px}
.dialog-scroll{padding:21px 19px}
.source-dialog .dialog-scroll{padding:15px}
.source-caption{font-size:9px}
.source-actions{font-size:10px;gap:8px}
}

@media(max-width:380px){.page-width{width:calc(100% - 32px)}
.header-inner{gap:12px}
.brand{font-size:13px;gap:7px}
.brand svg{width:21px;height:21px}
.site-header nav{font-size:10px;gap:13px}
.hero-thesis{font-size:18px}
.hero-description{font-size:12px}
.hero-actions{gap:14px}
.button{padding-inline:14px;gap:15px}
h2{font-size:25px}
.dialog-top h2,.source-dialog .dialog-top h2{font-size:19px}
}

@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}
*,*::before,*::after{animation:none!important;transition:none!important}
}

@media print{body{background:white;color:#111}
.site-header,.hero-visual-info,.hero-actions,.content-dialog,.quote-source{display:none}
.hero-inner{display:block;padding:25px 0}
.hero-copy h1,h1 em{color:#111;background:none;font-size:40px}
.hero-thesis,.hero-description{color:#222}
.framework-section,.architecture-section{padding-block:25px}
.graph-board{break-inside:avoid}
.architecture-section,.raw-node,.essence-node{background:white;color:black}
}


.site-header nav .header-read{padding:10px 16px;font-size:12px;color:#dec2ac;gap:27px}

.hero-inner{padding-bottom:37px}
.hero-visual-info{min-height:570px}

.framework-section{padding-block:58px 62px}
.framework-section .section-heading{margin-bottom:27px}
.framework-intro{display:flex;align-items:center;gap:13px;font-size:22px;line-height:1.8;margin-top:10px;color:#d6c7c9}
.framework-intro strong{font-weight:500;color:#ffcca3}
.framework-intro>span{font-size:16px;color:#947a6a}

.theory-stack{max-width:1060px;margin:0 auto}
.theory-applications{display:grid;grid-template-columns:1fr 1fr;gap:70px;width:72%;margin:0 auto}
.theory-application{padding:19px 26px;border:1px solid #665d37;border-radius:10px;background:linear-gradient(135deg,#302b1c,#1b1914);position:relative}
.theory-application>span{font-size:11px;color:#c6b67e;letter-spacing:.04em}
.theory-application h3{font-size:28px;font-weight:450;line-height:1.35;margin-top:8px}
.theory-application p{font-size:12px;line-height:1.8;color:#c5bdb0;margin-top:9px}
.theory-application.muscle-card{border-color:#425f51;background:linear-gradient(135deg,#1f332b,#141b18)}
.theory-application.muscle-card>span{color:#a7c5b3}

.theory-bridge{position:relative;width:72%;height:47px;margin:0 auto;pointer-events:none}
.theory-bridge>span{position:absolute;bottom:0;height:50%;left:50%;border-left:1px solid #bf8a5d}
.theory-bridge::before{content:'';position:absolute;top:50%;left:25%;right:25%;border-top:1px solid #bf8a5d}
.theory-bridge>i{position:absolute;top:0;height:50%;left:25%;border-left:1px solid #bf8a5d}
.theory-bridge>i:last-child{left:75%}
.theory-bridge>i::before{content:'';width:5px;height:5px;border-left:1px solid #bf8a5d;border-top:1px solid #bf8a5d;transform:rotate(45deg);position:absolute;left:-3px;top:1px}

.theory-foundation{position:relative;display:flex;gap:40px;align-items:start;min-height:211px;padding:31px 40px;border:1px solid #986c45;border-radius:13px;background:radial-gradient(ellipse at 90% 110%,#503821,#2b2019 60%,#211a16);overflow:hidden}
.foundation-label{font-size:11px;letter-spacing:.12em;color:#c7a17e;padding-top:13px;white-space:nowrap}
.foundation-copy{position:relative;z-index:1;min-width:0}
.foundation-quote{margin:0}
.foundation-thesis>span{display:inline-block}
.foundation-belief{font-size:17px;line-height:1.95;color:#dfc4b2;margin-top:14px}
.foundation-belief>span{display:block}
.foundation-copy h3{font-size:48px;line-height:1.3;font-weight:450;letter-spacing:-.02em}
.foundation-copy .foundation-thesis{font-size:25px;line-height:1.8;color:#f6d8bb;margin-top:6px}
.foundation-sun{position:absolute;right:34px;top:26px;width:170px;height:170px;color:#b1844e;opacity:.2;stroke-width:.45}

.summary-system{position:relative;padding:16px 20px;border:1px solid #3d363c;border-radius:10px;background:#131011;max-width:900px;margin:auto}
.summary-applications{display:grid;grid-template-columns:1fr 1fr;gap:38px;width:72%;margin:auto}
.summary-application{padding:11px 16px;border:1px solid #40383e;border-radius:6px;background:#191619;color:#d1c5cd}
.summary-application strong{display:block;font-size:18px;font-weight:450;line-height:1.5}
.summary-application span{display:block;font-size:10px;color:#a99da7;margin-top:3px}
.summary-system .theory-bridge{height:32px}
.summary-foundation{display:grid;grid-template-columns:1fr auto;align-items:center;gap:3px 15px;padding:17px 22px;min-height:112px;border:1px solid #4f4245;border-radius:7px;background:#211b1e}
.summary-foundation>span{font-size:10px;color:#b3a4ad}
.summary-foundation>strong{grid-column:1;grid-row:2;font-size:29px;font-weight:450;line-height:1.3}
.summary-foundation>small{grid-column:2;grid-row:1/3;font-size:12px;color:#c8b6bd}
.essence-nodes{grid-template-columns:repeat(auto-fit,minmax(120px,1fr))}

@media(max-width:1150px){.theory-applications,.theory-bridge{width:78%}
.theory-foundation{padding:28px 31px;gap:28px}
.foundation-copy .foundation-thesis{font-size:23px}
.summary-foundation>small{font-size:11px}
}

@media(max-width:900px){.hero-visual-info{min-height:535px}
.theory-applications{gap:35px}
.theory-application{padding:17px 21px}
.foundation-copy .foundation-thesis{font-size:22px}
.foundation-sun{right:12px;width:140px;height:140px;top:38px}
.summary-system{padding:14px}
.summary-application{padding:9px 12px}
.summary-application span{font-size:9px}
.summary-foundation{min-height:104px}
.summary-foundation>small{max-width:195px}
.essence-nodes{grid-template-columns:repeat(auto-fit,minmax(110px,1fr))}
}

@media(max-width:760px){.site-header nav .header-read{font-size:11px;padding:7px 10px;gap:13px}
.hero-inner{padding-bottom:0}
.hero-visual-info{min-height:0;height:335px;margin-top:0}
.hero-art{top:-80px}
.framework-section{padding-block:44px}
.framework-intro{font-size:14px;margin-top:9px}
.theory-applications{gap:15px;width:92%}
.theory-application{padding:14px 13px}
.theory-application>span{font-size:9px;letter-spacing:0}
.theory-application h3{font-size:23px;margin-top:6px}
.theory-application p{font-size:10px;line-height:1.85;margin-top:7px}
.theory-bridge{width:92%;height:37px}
.theory-foundation{display:block;padding:22px 23px;min-height:216px}
.foundation-label{display:block;padding:0;font-size:10px;margin-bottom:10px}
.foundation-copy h3{font-size:38px}
.foundation-copy .foundation-thesis{font-size:20px;line-height:1.7;margin-top:9px;max-width:250px}
.foundation-sun{width:125px;height:125px;right:-24px;top:25px;opacity:.14}
.mobile-summary{padding:16px 14px;border:1px solid #3d363c;border-radius:9px;background:#141112}
.mobile-summary-label{display:block;font-size:10px;color:#b2a1ac;margin-bottom:18px}
.mobile-summary .summary-system{padding:0;border:0;background:none}
.summary-applications{width:92%;gap:13px}
.summary-application{padding:10px}
.summary-application strong{font-size:18px}
.summary-application span{font-size:9px;line-height:1.8}
.summary-system .theory-bridge{width:92%;height:28px}
.summary-foundation{display:block;min-height:128px;padding:15px 18px}
.summary-foundation>span{display:block;font-size:9px}
.summary-foundation>strong{display:block;font-size:29px;margin-top:4px}
.summary-foundation>small{display:block;font-size:11px;margin-top:6px;max-width:none}
}

@media(max-width:380px){.site-header nav .header-read{font-size:10px;gap:9px}
.theory-applications{gap:12px;width:95%}
.theory-bridge{width:95%}
.theory-application{padding:12px 10px}
.theory-application>span{font-size:8px}
.theory-application p{font-size:9px}
.theory-foundation{padding:20px}
.foundation-copy .foundation-thesis{font-size:18px}
.summary-applications{width:95%;gap:11px}
.summary-application{padding:9px}
.summary-application span{font-size:8px}
}

@media print{.hero-visual-info{display:none}
.theory-foundation,.theory-application,.summary-foundation,.summary-application{background:white;color:black}
.theory-stack{break-inside:avoid}
}




/* V7: reading stays prominent; sources and the summary remain quiet. */
.hero-intro{display:flex;flex-wrap:wrap;align-items:center;gap:8px 15px;margin-bottom:22px}

.who-is-sun{display:inline-flex;align-items:center;gap:4px;font-size:10px;line-height:1.8;color:#a99aa5;border-bottom:1px solid #55434b}

.who-is-sun:hover{color:#ffd0a9;border-color:#b9825b}

.hero-thesis-row{display:flex;align-items:baseline;flex-wrap:wrap;gap:2px 16px;margin-top:23px}

.foundation-thesis strong{font-weight:500;color:#ffd8af}

.foundation-source{display:inline-flex;gap:8px;align-items:center;font-size:11px;color:#b8a09b;margin-top:13px;position:relative;z-index:2}

.foundation-source:hover{color:#ffd2ae}

.summary-system .theory-bridge>span,.summary-system .theory-bridge::before,.summary-system .theory-bridge>i,.summary-system .theory-bridge>i::before{border-color:#736169}

.summary-row .layer-label,.raw-row .layer-label{border-color:#51454e}

.summary-row .layer-label>span,.raw-row .layer-label>span{color:#a293a0}

.summary-row .layer-label>strong,.raw-row .layer-label>strong{color:#c8bac5}

.essence-row .layer-label{border-color:#e5ac79}

.essence-row .layer-label>strong{color:#ffe0bf}

.essence-nodes::before{border-color:#efb27b;background:#ffb96e0d;box-shadow:0 0 34px #fa9b391c}

.essence-node{background:linear-gradient(145deg,#3c2b1e,#2b201a);border-color:#b38660;min-height:151px}

.essence-node.tone-yellow{background:linear-gradient(145deg,#38301b,#29231a);border-color:#9b864f}

.essence-node.tone-muscle{background:linear-gradient(145deg,#233d2f,#1a2b22);border-color:#709a7b}

.essence-origin{display:block;font-size:9px;line-height:1.7;margin-top:13px;padding-top:9px;border-top:1px solid #a587562e;color:#cdbca4}

.tone-muscle .essence-origin{color:#b2c8b8;border-color:#789a7738}

.preface-section{display:grid;grid-template-columns:minmax(190px,1fr) minmax(0,2.5fr);gap:60px;margin-top:62px;padding-block:46px 18px;border-top:1px solid #534039}

.preface-label{display:block;font-size:11px;letter-spacing:.16em;color:#bb9279;margin-bottom:17px}

.preface-heading h2{font-size:30px;line-height:1.55;text-wrap:balance}

.preface-author{font-size:13px;color:#bea499;margin-top:19px}

.preface-text{max-width:820px}

.preface-text p{font-size:17px;line-height:2;color:#cbbfc8;margin-bottom:23px;text-wrap:pretty}

.preface-text strong{color:#f7d5b8;font-weight:500}

.preface-text p:first-child{font-size:20px;color:#eddfdf;line-height:1.9}

.preface-text .preface-closing{padding-top:12px;border-top:1px solid #4d3c35;color:#cbb5aa}

.preface-closing q{display:block;font-size:21px;color:#f3c6a5;margin-top:9px;quotes:'“' '”'}

.preface-text .preface-signature{font-size:13px;color:#b79b8c;margin-bottom:0}

@media(max-width:1150px){.hero-thesis-row{gap:2px 12px}
.preface-section{gap:35px}
.preface-heading h2{font-size:27px}
.essence-origin{font-size:9px}
}

@media(max-width:900px){.preface-section{grid-template-columns:180px 1fr;gap:28px}
.preface-text p{font-size:16px}
.preface-text p:first-child{font-size:18px}
.preface-closing q{font-size:19px}
}

@media(max-width:760px){.hero-intro{gap:8px 12px;margin-bottom:18px}
.hero-intro .eyebrow{margin:0;letter-spacing:.05em}
.who-is-sun{font-size:10px}
.hero-thesis-row{margin-top:21px;gap:3px 12px}
.framework-intro{font-size:20px;gap:11px}
.foundation-source{font-size:10px;margin-top:16px}
.foundation-belief{font-size:15px;line-height:1.95;margin-top:13px}
.essence-origin{font-size:10px;margin-top:12px;padding-top:8px}
.mobile-map-branch{border-color:#b0835d;box-shadow:0 4px 25px #b4742618}
.mobile-sources{border-color:#453b35;color:#b5a8af}
.mobile-sources a{border-color:#51434b}
.preface-section{display:block;margin-top:42px;padding-top:32px}
.preface-heading{margin-bottom:26px}
.preface-label{margin-bottom:9px}
.preface-heading h2{max-width:none;font-size:27px}
.preface-author{font-size:12px;margin-top:9px}
.preface-text p{font-size:16px;line-height:1.95;margin-bottom:22px}
.preface-text p:first-child{font-size:18px}
.preface-closing q{font-size:19px}
.preface-text .preface-signature{font-size:12px}
}

@media(max-width:380px){.hero-intro{gap:7px 10px}
.hero-intro .eyebrow{font-size:9px}
.who-is-sun{font-size:9px}
.hero-thesis-row{gap:3px 9px}
.preface-heading h2{font-size:25px}
.preface-text p{font-size:15px}
.preface-text p:first-child{font-size:17px}
.preface-closing q{font-size:18px}
}

@media print{.preface-section{display:block}
.preface-text p,.preface-text strong,.preface-text p:first-child,.preface-closing q{color:#222}
}


#essence-reading{scroll-margin-top:15px}

/* Explicit reading action, visible on touch screens as well as desktop. */
.essence-hint{display:table;position:relative;margin:0 0 15px;padding:4px 9px;border-radius:4px;background:#211911;color:#f1c39c;font-size:12px;line-height:1.8}
.essence-hint>span{margin-left:5px}
.essence-node .essence-action{display:block;margin-top:auto;padding-top:18px}
.essence-read{display:flex;align-items:center;justify-content:space-between;gap:8px;min-height:36px;padding:8px 11px;border:1px solid #e6ac77;border-radius:5px;background:#efbd8e;color:#291b12;font-size:12px;font-weight:550;line-height:1.4;transition:background .2s,box-shadow .2s}
.essence-read>i{font-style:normal;font-size:16px;line-height:1}
.essence-node:hover .essence-read,.essence-node:focus-visible .essence-read{background:#ffdab3;box-shadow:0 2px 15px #f1af5730}
@media(max-width:1150px){.essence-read{font-size:11px;padding-inline:8px;gap:5px}}
@media(max-width:760px){.essence-hint{font-size:11px;margin-bottom:15px;padding:4px 8px}.essence-read{font-size:13px;min-height:40px;padding:9px 12px}.essence-node .essence-action{padding-top:16px}}

/* A direct reading destination for visitors who reach the end of the page. */
.reading-finale{display:flex;align-items:center;justify-content:space-between;gap:32px;margin-block:48px 60px;padding:36px 40px;border:1px solid #80573d;border-radius:14px;background:radial-gradient(ellipse at 0 50%,#49301e80,transparent 75%),#171211}
.reading-finale h2{font-size:30px;color:#ffe0bc}
.reading-finale-copy p{margin-top:10px;font-size:15px;line-height:1.8;color:#cbbfc8}
.reading-finale-action{flex-shrink:0;text-align:center}
.reading-finale-action .button{min-height:54px;font-size:15px;padding-inline:24px;gap:35px}
.reading-finale-action p{margin-top:12px;font-size:11px;line-height:1.6;color:#bea499}
.site-header nav .header-read{white-space:nowrap}
@media(max-width:760px){.reading-finale{display:block;margin-block:32px;padding:28px 24px}.reading-finale h2{font-size:26px}.reading-finale-copy p{font-size:14px}.reading-finale-action{margin-top:24px}.reading-finale-action .button{width:100%}.site-header nav .header-read{gap:7px;padding-inline:8px}}
@media(max-width:380px){.header-inner{gap:8px}.site-header nav .header-read{gap:5px;padding-inline:6px}}