/* Layout: grained rice paper, photos printed into it like ink-wash (brush-edged masks, multiply), brush hanzi seals, thin gold contours between chapters; vertical chapter labels on a jade thread */
:root{
  --paper:#f3eee2;--paper-2:#e9e1cf;--card:#fbf8f1;--fg:#1f1c18;--muted:#6a6255;--line:#d6cbb5;
  --gold:#a8854f;--seal:#b0362a;--jadeg:#5d867f;
  --ink:#1f1c18;--ink-2:#2c2823;--on-ink:#f3eee2;--on-ink-muted:#c9bea8;
  --kapok:#b0362a;--kapok-soft:#f2e1d6;--jade:#a8854f;--jade-soft:#efe5d1;--bronze:#a8854f;--mist:#5d867f;
  --display:"Prata","Noto Serif",Georgia,serif;--body:"Manrope",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"Manrope",system-ui,sans-serif;--han:"Ma Shan Zheng","Noto Serif SC","Songti SC",serif;--han-serif:"Noto Serif SC","Songti SC",serif;
  --ink-rgb:31,28,24;--gold-rgb:168,133,79;--paper-rgb:243,238,226;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --paper:#181613;--paper-2:#211e1a;--card:#201d19;--fg:#efe7d6;--muted:#ab9f8a;--line:#3a342b;
  --gold:#cfa968;--seal:#d4624e;--jadeg:#86b0a8;--ink:#0d0c0a;--ink-2:#171512;
  --kapok:#d4624e;--kapok-soft:#3a221c;--jade:#cfa968;--jade-soft:#2d271e;--bronze:#cfa968;--mist:#86b0a8;
  --ink-rgb:239,231,214;--gold-rgb:207,169,104;--paper-rgb:24,22,19;color-scheme:dark}}
:root[data-theme="dark"]{
  --paper:#181613;--paper-2:#211e1a;--card:#201d19;--fg:#efe7d6;--muted:#ab9f8a;--line:#3a342b;
  --gold:#cfa968;--seal:#d4624e;--jadeg:#86b0a8;--ink:#0d0c0a;--ink-2:#171512;
  --kapok:#d4624e;--kapok-soft:#3a221c;--jade:#cfa968;--jade-soft:#2d271e;--bronze:#cfa968;--mist:#86b0a8;
  --ink-rgb:239,231,214;--gold-rgb:207,169,104;--paper-rgb:24,22,19;color-scheme:dark}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{background-color:var(--paper);background-image:var(--grain,none);color:var(--fg);font:16px/1.75 var(--body);font-weight:400;-webkit-font-smoothing:antialiased;margin:0}
.wrap{max-width:1080px;margin:0 auto;padding-left:max(18px,env(safe-area-inset-left,0px));padding-right:max(18px,env(safe-area-inset-right,0px))}
h1,h2,h3{font-family:var(--display);font-weight:400;text-wrap:balance;margin:0;line-height:1.18;letter-spacing:.005em}
h2{font-size:clamp(28px,3.8vw,42px)}
h3{font-size:21px}
p{margin:0}
a{color:inherit}
:focus-visible{outline:2px solid var(--seal);outline-offset:3px}
.eyebrow{font:600 12px/1 var(--body);letter-spacing:.28em;text-transform:uppercase;color:var(--gold)}
.lead{font-size:17px;color:var(--muted);max-width:60ch}
.han{font-family:var(--han);font-weight:400}

/* ink-printed photos */
.inkimg{display:block;width:100%;height:100%;object-fit:cover;filter:grayscale(.25) sepia(.28) contrast(1.04) brightness(1.02);mix-blend-mode:multiply;
  -webkit-mask-image:var(--brush,radial-gradient(ellipse 72% 70% at 50% 50%,#000 55%,transparent 100%));mask-image:var(--brush,radial-gradient(ellipse 72% 70% at 50% 50%,#000 55%,transparent 100%));-webkit-mask-size:100% 100%;mask-size:100% 100%}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .inkimg{mix-blend-mode:normal;filter:grayscale(.3) sepia(.2) brightness(.85)}}
:root[data-theme="dark"] .inkimg{mix-blend-mode:normal;filter:grayscale(.3) sepia(.2) brightness(.85)}

/* masthead */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero canvas.ink{position:absolute;left:0;right:0;bottom:0;width:100%;height:46%;pointer-events:none;z-index:1}
.hero-pic{position:absolute;top:0;right:0;width:min(62%,760px);height:78%;z-index:0}
.hero .wrap{position:relative;z-index:2;padding-block:clamp(44px,7vw,92px) clamp(120px,16vw,200px)}
.hero-han{position:absolute;left:max(18px,calc(50% - 560px));bottom:clamp(30px,4vw,56px);z-index:2;writing-mode:vertical-rl;font:400 clamp(44px,6vw,72px)/1 var(--han);color:var(--fg);letter-spacing:.04em;display:none}
.hero h1{font-size:clamp(38px,6vw,74px);margin-top:18px;max-width:15ch}
.hero h1 em{font-style:normal;color:var(--seal)}
.hero .sub{font-size:18px;color:var(--muted);max-width:46ch;margin-top:20px}
.hero .copy{max-width:600px;background:linear-gradient(90deg,rgba(var(--paper-rgb),.92) 70%,rgba(var(--paper-rgb),0));padding:6px 30px 10px 0}
.facts{display:flex;flex-wrap:wrap;gap:8px 30px;margin-top:26px;font:500 14px/1.4 var(--body);color:var(--muted)}
.facts b{color:var(--fg);font:400 24px/1 var(--display);margin-right:6px}
.back{display:inline-flex;gap:8px;align-items:center;font:600 13px/1 var(--body);letter-spacing:.1em;text-transform:uppercase;color:var(--muted);text-decoration:none;border:1px solid var(--line);padding:10px 16px;border-radius:999px;background:var(--card)}
.back:hover{color:var(--seal);border-color:var(--seal)}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.btn{display:inline-flex;align-items:center;gap:10px;padding:15px 28px;border-radius:999px;font:600 14px/1 var(--body);letter-spacing:.06em;text-decoration:none;border:1px solid var(--fg);color:var(--fg);background:transparent;cursor:pointer;transition:background .15s,color .15s,border-color .15s}
.btn:hover{background:var(--fg);color:var(--paper)}
.btn-primary{background:var(--seal);border-color:var(--seal);color:#fff}
.btn-primary:hover{background:var(--fg);border-color:var(--fg);color:var(--paper)}
.seal{display:inline-grid;place-items:center;width:58px;height:58px;border-radius:8px;background:var(--seal);color:#fff;font:400 30px/1 var(--han)}
.medal{width:150px;height:150px;border-radius:50%;border:1.5px solid var(--gold);outline:1px solid var(--gold);outline-offset:5px;display:grid;place-items:center;text-align:center;color:var(--gold);background:rgba(var(--paper-rgb),.7)}
.medal .h{font:400 46px/1 var(--han);color:var(--fg)}
.medal small{display:block;font:600 10px/1.2 var(--body);letter-spacing:.3em;margin-top:6px}

/* chapters */
section{padding-block:clamp(52px,7vw,92px);position:relative}
canvas.contour{display:block;width:100%;height:80px;margin:0}
.sec-head{display:grid;grid-template-columns:56px 1fr;column-gap:26px;row-gap:12px;margin-bottom:38px}
.sec-head .eyebrow{grid-row:1 / span 3;writing-mode:vertical-rl;letter-spacing:.34em;display:flex;align-items:center;gap:14px;justify-self:center;color:var(--fg);font-size:13px}
.sec-head .eyebrow::before{content:"";width:24px;height:24px;border:1.5px solid var(--jadeg);border-radius:50%;flex:none}
.sec-head .eyebrow::after{content:"";width:1.5px;flex:1;min-height:70px;background:var(--jadeg);opacity:.75}
.sec-head > :not(.eyebrow){grid-column:2}
@media (max-width:640px){.sec-head{grid-template-columns:1fr}.sec-head .eyebrow{grid-row:auto;writing-mode:horizontal-tb;justify-self:start;font-size:11px}.sec-head .eyebrow::after{width:40px;min-height:1.5px;height:1.5px;flex:none}.sec-head > :not(.eyebrow){grid-column:1}}

.card{background:var(--card);border:1px solid var(--line);border-radius:6px;padding:24px 26px}
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
@media (max-width:760px){.grid2,.grid3{grid-template-columns:1fr}}
ul.clean{margin:0;padding-left:1.1em;display:grid;gap:6px}
ul.clean li::marker{color:var(--gold)}
.pill{display:inline-block;font:600 11px/1 var(--body);letter-spacing:.1em;text-transform:uppercase;padding:7px 11px;border-radius:999px;background:var(--jade-soft);color:var(--gold);white-space:nowrap}
.pill.k{background:var(--kapok-soft);color:var(--seal)}
.pill.n{background:transparent;border:1px solid var(--line);color:var(--muted)}
.note{font-size:14px;color:var(--muted)}
.warn{border-left:2px solid var(--seal);padding:12px 18px;color:var(--fg)}
.price{font:400 32px/1.1 var(--display)}
.price small{font:400 13px/1.5 var(--body);color:var(--muted);display:block;margin-top:8px}
.tag-row{display:flex;flex-wrap:wrap;gap:6px}
.steps{list-style:none;margin:0;padding:0;display:grid;counter-reset:s}
.steps li{counter-increment:s;display:grid;grid-template-columns:52px 1fr;gap:18px;padding-bottom:28px;position:relative}
.steps li::before{content:counter(s);font:400 22px/1 var(--display);color:var(--gold);width:46px;height:46px;border:1px solid var(--gold);border-radius:50%;display:grid;place-items:center;background:var(--paper)}
.steps li::after{content:"";position:absolute;left:23px;top:50px;bottom:6px;width:1px;background:var(--jadeg)}
.steps li:last-child::after{display:none}
.steps .body{display:grid;gap:6px;padding-top:10px}
.steps .body p{color:var(--muted)}
.round{border-radius:50%;object-fit:cover;aspect-ratio:1;width:100%;display:block}
.ring{border-radius:50%;padding:7px;border:1px solid var(--gold);display:inline-block}
footer{padding-block:36px;border-top:1px solid var(--line);font:400 13px/1.6 var(--body);color:var(--muted)}
footer .wrap{display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between}
@media (max-width:860px){.hero-pic{position:relative;width:100%;height:clamp(220px,52vw,380px)}.hero .wrap{padding-top:8px}.hero .copy{background:none;padding:0}.hero canvas.ink{height:30%}}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}