/* finesse · register=brand · A=ivory+forest-locked · B=Chinese-Song700/sans400 · C=photo-hero+editorial+gallery+flow+accordion · D=CSS+native-state-motion · E=clothbound-memoir · SOUL=7 SPECTACLE=4 DENSITY=5 */
@font-face{font-family:MemoirSong;src:url("assets/memoir-song.woff") format("woff");font-weight:200 900;font-display:swap}
:root{
 /* Warm Ivory (#faf8f3) — user-approved main background. */
 --bg:#faf8f3;
 /* Pine Ink (#102f25) — primary text, tinted dark green. */
 --ink:#102f25;
 /* Forest (#173e31) — locked interaction accent and on-light headings. */
 --accent:#173e31;
 /* Warm Slate (#62605a) — readable secondary copy. */
 --muted:#62605a;
 /* Antique Wheat (#b09561) — ornamental rules only, not small text. */
 --trim:#b09561;
 --surface:#f5f0e5;--hero-bg:#f2ede4;--pressed:#285440;--soft:#e9e3d5;
 --border:rgba(23,62,49,.2);--focus:#7a5b25;--on-accent:#faf8f3;
 --shadow:rgba(16,47,37,.2);--backdrop:rgba(16,47,37,.72);
 --clear:rgba(250,248,243,0);--mask-opaque:rgba(16,47,37,1);
 --font-display:MemoirSong,"Songti SC","STSong","SimSun",serif;
 --font-body:"Microsoft YaHei","PingFang SC",system-ui,sans-serif;
 --nav-h:74px;--z-nav:30;--z-content:5;--z-grain:7;
 --ease:cubic-bezier(.16,1,.3,1);--radius:4px;
}
*{box-sizing:border-box}
html,body{overflow-x:clip}
html{scroll-behavior:smooth;scroll-padding-top:18px}
body{margin:0;color:var(--ink);background:var(--bg);font:400 16px/1.7 var(--font-body);-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer;border:0;white-space:nowrap;touch-action:manipulation}
button,a{-webkit-tap-highlight-color:transparent}
button:focus-visible,a:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--focus);outline-offset:4px}
button:disabled{cursor:default;opacity:.4}
button:active:not(:disabled){transform:translateY(1px)}
h1,h2,h3,p,figure{margin:0}
h1,h2,h3,.brand-name,.sample-card strong,.button,.read-button{font-family:var(--font-display)}
h1,h2,h3{overflow-wrap:anywhere;min-width:0}
.grain{position:fixed;inset:0;z-index:var(--z-grain);pointer-events:none;opacity:.02;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.75' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
.header{height:var(--nav-h);max-height:80px;padding:0 4.1%;display:flex;justify-content:space-between;align-items:center;gap:16px;background:var(--bg);position:relative;z-index:var(--z-nav)}
.brand{display:flex;align-items:center;gap:10px;min-width:0;white-space:nowrap}
.logo{width:46px;height:46px;display:block;flex-shrink:0}
.logo img{display:block;width:100%;height:100%;object-fit:contain}
.brand-name{font-size:clamp(25px,2.62vw,36px);font-weight:700;letter-spacing:1px}
.brand-sub{padding-left:17px;margin-left:4px;border-left:1px solid var(--border);letter-spacing:2px;font-size:clamp(13px,1.45vw,18px)}
nav{display:flex;align-items:center;gap:clamp(18px,2.2vw,34px);font-size:clamp(13px,1.25vw,17px)}
nav>a,.nav-link{display:inline-flex;align-items:center;justify-content:center;min-height:44px;position:relative;white-space:nowrap}
.active:after{content:"";position:absolute;bottom:1px;height:2px;background:var(--accent);left:0;right:0}
.nav-link{background:none;padding:6px 0}
.nav-contact{background:var(--accent);color:var(--on-accent);border-radius:var(--radius);padding:8px 23px;min-height:44px}
.menu-toggle{display:none;background:none;min-height:44px;min-width:44px}
.hero{height:clamp(460px,42.42vw,680px);position:relative;isolation:isolate;overflow:hidden;background:var(--hero-bg)}
.hero-art{position:absolute;right:0;top:0;width:66%;height:100%;z-index:0}
.hero-art>img{display:block;width:100%;height:100%;object-fit:cover;object-position:64% 52%;-webkit-mask-image:linear-gradient(90deg,transparent,var(--mask-opaque) 25%);mask-image:linear-gradient(90deg,transparent,var(--mask-opaque) 25%)}
.hero-copy{position:relative;z-index:var(--z-content);height:100%;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;padding:0 0 1% 4.4%;width:56%;min-width:0}
h1{font-size:clamp(43px,5.25vw,80px);font-weight:700;line-height:1.28;letter-spacing:-.025em}
.lead{font-size:clamp(16px,1.72vw,24px);line-height:1.78;color:var(--muted);margin-top:clamp(20px,2.05vw,30px);white-space:nowrap}
.hero-actions{display:flex;gap:clamp(12px,1.2vw,18px);margin-top:clamp(22px,2.15vw,31px)}
.button{display:inline-flex;justify-content:center;align-items:center;gap:18px;font-size:clamp(18px,1.9vw,26px);min-height:54px;padding:10px 3.3vw;border:1px solid var(--accent);border-radius:var(--radius);transition:transform .2s var(--ease),background .2s}
.primary{background:var(--accent);color:var(--on-accent)}
.secondary{background:var(--hero-bg)}
.location{display:flex;align-items:center;gap:10px;font-size:clamp(13px,1.3vw,18px);color:var(--muted);margin-top:clamp(19px,1.6vw,24px);letter-spacing:.35px}
.location svg{width:17px;height:20px;color:var(--trim);flex-shrink:0}
.location span{margin:0 3px}
.sample{padding:clamp(26px,2.3vw,36px) 2.95% clamp(25px,2.05vw,34px);background:var(--bg)}
.section-heading{text-align:center}
h2{font-size:clamp(29px,3.12vw,45px);font-weight:700;line-height:1.5;letter-spacing:-.01em;text-wrap:balance}
.heading-rule{display:block;width:28px;height:2px;background:var(--trim);margin:8px auto 10px}
.section-heading>p{color:var(--muted);font-size:clamp(15px,1.52vw,21px);line-height:1.8}
.sample-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(10px,1vw,16px);margin-top:clamp(16px,1.4vw,22px)}
.sample-card{background:none;padding:0;text-align:center;min-width:0;white-space:normal}
.sample-image{display:block;width:100%;aspect-ratio:5/4;background:var(--surface);position:relative;overflow:hidden}
.sample-image>img{display:block;width:100%;height:100%;object-fit:cover;object-position:center;transition:transform .35s var(--ease)}
.sample-card strong{display:block;font-size:clamp(18px,1.7vw,24px);font-weight:700;margin-top:8px;line-height:1.5;white-space:nowrap}
.caption{display:block;font-size:clamp(14px,1.25vw,17px);color:var(--muted);line-height:1.8;margin-top:2px}
.sample-action{text-align:center;margin-top:clamp(22px,1.9vw,29px)}
.read-button{min-height:44px;padding:7px 30px;border-radius:var(--radius);font-size:clamp(16px,1.45vw,20px);letter-spacing:.5px;transition:background .2s,transform .2s var(--ease)}
.read-button span{margin-left:7px}
.gallery-controls{display:none}
.process{position:relative;padding:clamp(24px,1.8vw,32px) 3.2% clamp(115px,10.5vw,168px);isolation:isolate;overflow:hidden;background:var(--surface)}
.steps{list-style:none;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:2%;padding:0;margin:clamp(23px,1.9vw,30px) 0 0;position:relative;z-index:var(--z-content)}
.steps li{text-align:center;position:relative;min-width:0}
.steps li:not(:last-child):after{content:"";width:9px;height:9px;border-top:1px solid var(--trim);border-right:1px solid var(--trim);transform:rotate(45deg);position:absolute;right:-8%;top:27px}
.step-icon{margin:auto;display:grid;place-items:center;width:56px;height:56px;border-radius:50%;background:var(--soft)}
.step-icon svg{width:29px;height:29px;stroke:var(--ink);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.steps h3{font-size:clamp(19px,1.8vw,25px);font-weight:700;margin:3px 0 4px}
.steps p{font-size:clamp(14px,1.23vw,17px);color:var(--muted);line-height:1.7}
.landscape{position:absolute;bottom:0;left:0;width:100%;height:clamp(110px,10vw,160px);z-index:0}
.landscape img{display:block;width:100%;height:100%;object-fit:cover;object-position:center bottom;-webkit-mask-image:linear-gradient(180deg,transparent,var(--mask-opaque) 32%);mask-image:linear-gradient(180deg,transparent,var(--mask-opaque) 32%)}
.preview-note{position:absolute;right:2%;bottom:8px;font-size:11px;color:var(--muted);background:var(--bg);padding:3px 8px;z-index:var(--z-content)}
.skip{position:fixed;top:-80px;left:10px;background:var(--accent);color:var(--on-accent);padding:10px;z-index:100}
.skip:focus{top:10px}
.image-error{padding:12px;background:var(--surface);color:var(--muted);font-size:14px}
.hero-art .image-error{position:absolute;bottom:10px;right:10px}
[hidden]{display:none!important}
dialog{border:1px solid var(--border);padding:0;background:var(--bg);color:var(--ink);border-radius:6px;width:min(780px,94vw);max-height:92dvh;box-shadow:0 20px 90px var(--shadow)}
dialog::backdrop{background:var(--backdrop)}
.dialog-header{display:flex;justify-content:space-between;align-items:center;padding:8px 20px;border-bottom:1px solid var(--border);font-size:14px}
.close{font-size:30px;line-height:1;background:none;width:44px;height:44px;flex-shrink:0}
.reader-mode{display:flex;justify-content:center;gap:10px;padding:13px}
.reader-mode button{padding:7px 17px;border:1px solid var(--border);border-radius:var(--radius);background:none;min-height:44px;font-size:14px}
.reader-mode button[aria-pressed=true]{background:var(--accent);color:var(--on-accent)}
#reader-page{padding:12px 26px 22px;max-height:60dvh;overflow:auto;min-height:300px}
.reader-image{display:block;width:100%;height:auto;max-height:52dvh;object-fit:contain}
.reader-controls{display:flex;justify-content:space-between;align-items:center;padding:13px 22px;border-top:1px solid var(--border);gap:12px}
.reader-controls button{min-height:44px;padding:9px 17px;border-radius:var(--radius);background:var(--accent);color:var(--on-accent);font-size:14px}
.reader-controls span{font-size:14px;white-space:nowrap}
.dialog-note{font-size:12px;color:var(--muted);text-align:center;padding:0 18px 15px}
.reader-text{font-size:20px;line-height:2.05;padding:10px 12px}
.reader-text h3{font-size:31px;margin:10px 0 20px;line-height:1.5}
.reader-text p{margin-bottom:16px}
.reader-text small{font-size:14px;color:var(--muted)}
.info-body{padding:27px 32px 35px}
.info-body h2{font-size:30px;margin-bottom:16px}
.info-body p{font-size:17px;line-height:1.9;color:var(--muted);margin:14px 0}
.contact-choice{padding:13px 0;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;gap:15px}
.info-body small{display:block;font-size:14px;line-height:1.8;color:var(--muted);margin-top:20px}
.info-contact{margin-top:20px;padding:10px 20px;border-radius:var(--radius);background:var(--accent);color:var(--on-accent);min-height:44px}
@media(hover:hover) and (pointer:fine){
 nav a:hover,.nav-link:hover{color:var(--focus)}
 .primary:hover,.nav-contact:hover,.info-contact:hover{background:var(--pressed)}
 .secondary:hover{background:var(--soft)}
 .button:hover,.read-button:hover{transform:translateY(-2px)}
 .sample-card:hover .sample-image>img{transform:scale(1.025)}
}
@media(max-width:1100px){
 .brand-sub{font-size:13px;padding-left:10px}
 .brand{gap:7px}.logo{width:40px;height:40px}
 nav{gap:18px;font-size:13px}.nav-contact{padding:8px 16px}
 .hero-copy{width:59%}.lead{font-size:16px}.button{padding:10px 2.8vw}
 .steps p br{display:none}
}
@media(max-width:840px){
 :root{--nav-h:68px}
 .brand-sub{display:none}.header{padding:0 23px}.brand-name{font-size:27px}
 .menu-toggle{display:inline-flex;align-items:center;gap:9px;font-size:15px}
 nav{position:absolute;top:var(--nav-h);left:0;right:0;background:var(--bg);padding:14px 23px 20px;border-bottom:1px solid var(--border);display:none;box-shadow:0 10px 20px var(--shadow);flex-wrap:wrap;gap:12px 22px;font-size:15px}
 nav.is-open{display:flex}nav>a,.nav-link{padding:0 5px}
 .hero{height:auto;min-height:0;display:flex;flex-direction:column}
 .hero-copy{padding:35px 24px 23px;width:100%;height:auto}
 .hero-art{position:relative;width:100%;height:52vw;max-height:450px;order:2}
 .hero-art>img{-webkit-mask-image:linear-gradient(180deg,transparent,var(--mask-opaque) 13%);mask-image:linear-gradient(180deg,transparent,var(--mask-opaque) 13%);object-position:65% 53%}
 h1{font-size:clamp(40px,7.4vw,59px)}
 .lead{font-size:17px;white-space:normal;line-height:1.85;margin-top:20px}
 .hero-actions{margin-top:23px}.button{font-size:20px;padding:11px 30px}
 .location{font-size:14px;margin-top:20px}
 .sample{padding:30px 24px}.sample-grid{gap:13px}
 h2{font-size:clamp(28px,4vw,36px)}
 .caption{font-size:14px}.sample-card strong{font-size:19px}
 .process{padding:30px 24px 128px}
 .steps{gap:13px}.steps h3{font-size:19px}.steps p{font-size:14px}
 .steps li:not(:last-child):after{right:-10px;width:6px;height:6px}
}
@media(max-width:600px){
 .header{padding:0 18px}.brand-name{font-size:25px}.logo{width:41px;height:41px}
 .hero-copy{padding:30px 23px 19px}
 h1{font-size:clamp(36px,9vw,52px);line-height:1.28}
 .lead{font-size:16px;margin-top:18px}.lead br{display:none}
 .hero-actions{gap:12px;width:100%;margin-top:22px}
 .button{font-size:18px;min-height:52px;padding:10px 12px;gap:12px;flex:1}
 .location{font-size:13px;letter-spacing:0;gap:7px;flex-wrap:wrap}
 .location svg{width:14px}.hero-art{height:69vw;max-height:none}
 .sample{padding:29px 20px 30px}
 h2{font-size:clamp(25px,6.2vw,34px);letter-spacing:-.02em}
 .section-heading>p{font-size:15px;max-width:300px;margin:auto}
 .sample-grid{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:16px;margin:20px -20px 0;padding:0 20px 5px;scroll-padding-inline:20px;overscroll-behavior-inline:contain}
 .sample-card{flex:0 0 min(82vw,360px);scroll-snap-align:center;min-width:0}
 .sample-image{aspect-ratio:5/4}.sample-card strong{font-size:21px;margin-top:11px}
 .caption{font-size:15px;line-height:1.8}
 .gallery-controls{display:flex;justify-content:center;align-items:center;gap:24px;margin-top:13px}
 .gallery-controls button{width:44px;height:44px;background:none;border:1px solid var(--border);border-radius:50%;font-size:20px}
 .gallery-controls span{font-size:14px;color:var(--muted)}
 .sample-action{margin-top:17px}.read-button{font-size:18px;min-height:48px;padding:8px 26px}
 .process{padding:30px 24px 132px}
 .steps{display:flex;flex-direction:column;gap:23px;max-width:400px;margin:26px auto 0}
 .steps li{display:grid;grid-template-columns:52px minmax(0,1fr);column-gap:17px;text-align:left}
 .step-icon{width:50px;height:50px;grid-row:1/3;margin:2px 0 0}
 .step-icon svg{width:27px;height:27px}
 .steps h3{font-size:21px;line-height:1.5;margin:0 0 4px}.steps p{font-size:15px;line-height:1.85}
 .steps li:not(:last-child):after{top:58px;left:24px;right:auto;width:0;height:17px;border:0;border-left:1px solid var(--border);transform:none}
 .landscape{height:115px}.preview-note{font-size:10px;left:0;right:0;bottom:0;text-align:center;padding:5px 8px}
 .info-body{padding:23px}.info-body h2{font-size:26px}.info-body p{font-size:16px}
 .dialog-header{font-size:13px;padding:8px 14px}#reader-page{padding:8px 16px 20px}
 .reader-text{font-size:19px;padding:3px}.reader-controls{padding:12px 14px;gap:7px}
 .reader-controls button{font-size:13px;padding:9px 12px}.reader-controls span{font-size:12px}
 .dialog-note{font-size:12px;line-height:1.7}.contact-choice{font-size:15px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}.sample-image>img{transform:none!important}}

/* Content expansion: locked brand tokens, editorial rhythm, no new image assets. */
.content-section{padding:76px max(5%,calc((100vw - 1320px)/2));font-size:17px;line-height:1.95}
.content-section p{color:var(--muted)}
.eyebrow{font-size:14px;letter-spacing:2px;margin-bottom:16px;color:var(--accent)!important}
.editorial,.about{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:8%}
.editorial-copy>p+p{margin-top:20px}
.meaning-list{margin:28px 0 0}.meaning-list>div{padding:16px 0;border-top:1px solid var(--border)}
dt{font-weight:600}dd{margin:5px 0 0;color:var(--muted)}
.audiences{background:var(--surface)}
.audience-split{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6%;margin-top:42px}
.audience-split article+article{border-left:1px solid var(--border);padding-left:12%}
.audience-number{font-size:14px;color:var(--muted);letter-spacing:1px}
.audience-split h3{font-size:clamp(26px,2.5vw,35px);line-height:1.5;margin:15px 0 22px}
.audience-split p+p{margin-top:18px}.prepare{font-size:16px}
.text-link{display:inline-flex;align-items:center;background:none;min-height:48px;padding:8px 0;margin-top:20px;border-bottom:1px solid var(--accent);font-size:16px}
.sample{padding-top:64px;padding-bottom:58px}
.sample-explainer{max-width:1200px;margin:28px auto 0}.small-note{font-size:14px!important;line-height:1.85;color:var(--muted)}
.sample-explainer>.small-note{text-align:center}
.outcomes{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.5fr);gap:7%;margin-top:40px;padding-top:30px;border-top:1px solid var(--border)}
.outcomes h3{font-size:27px;line-height:1.6}.outcomes p{color:var(--muted);font-size:16px;line-height:1.9}.outcomes p+p{margin-top:19px}.outcomes strong{color:var(--ink);font-weight:600}
.process{padding-top:56px;padding-bottom:56px}.steps{margin-top:38px}
.steps .step-prepare{margin-top:18px;padding:15px 8px 0;border-top:1px solid var(--border);text-align:left;font-size:15px;line-height:1.9}.step-prepare strong{display:block;color:var(--ink);font-size:14px;margin-bottom:4px}
.custom{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.4fr);gap:8%}.custom-intro>p{margin-top:24px}
.agreement-list{margin:0}.agreement-list>div{display:grid;grid-template-columns:100px minmax(0,1fr);gap:20px;padding:23px 0;border-top:1px solid var(--border)}.agreement-list dd{margin:0}
.faq{background:var(--surface)}.faq-list{max-width:980px;margin:36px auto 0}.faq details{border-top:1px solid var(--border)}.faq details:last-child{border-bottom:1px solid var(--border)}
.faq summary{cursor:pointer;min-height:64px;padding:18px 36px 18px 0;position:relative;list-style:none;font-weight:600;line-height:1.8}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:'＋';position:absolute;right:2px;top:18px;font-weight:400}.faq details[open] summary:after{content:'−'}.faq summary:focus-visible{outline:3px solid var(--focus);outline-offset:4px}.faq details>p{padding:0 30px 23px 0;font-size:16px;line-height:2}
.about{border-bottom:1px solid var(--border)}
.contact{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:10%}.contact h2+p{margin-top:22px}.contact-prompts{padding-left:24px;margin:25px 0;color:var(--ink)}.contact-prompts li{padding:5px 0}
.contact-panel{padding:30px;background:var(--surface);align-self:center;min-width:0}.contact-panel h3{font-size:27px;margin-bottom:18px}.contact-line{display:flex;justify-content:space-between;gap:20px;border-bottom:1px solid var(--border);padding:14px 0;font-size:16px}.contact-line span{color:var(--muted)}.contact-panel button{margin:25px 0 18px;font-size:16px;padding:10px 18px;white-space:normal}
.site-footer{position:relative;min-height:155px;background:var(--surface);overflow:hidden}.site-footer .landscape{height:155px}
@media(max-width:1000px){.header nav{gap:17px}.content-section{padding:58px 5%}.editorial,.about,.custom,.contact{gap:5%}.agreement-list>div{grid-template-columns:85px minmax(0,1fr);gap:14px}.contact-panel{padding:23px}}
@media(max-width:700px){.content-section{padding:43px 23px;font-size:16px}.editorial,.about,.custom,.contact,.outcomes{grid-template-columns:minmax(0,1fr);gap:25px}.eyebrow{font-size:13px;margin-bottom:12px}.editorial h2 br,.about h2 br,.custom h2 br{display:none}.meaning-list{margin-top:22px}.audience-split{grid-template-columns:minmax(0,1fr);gap:29px;margin-top:28px}.audience-split article+article{padding:28px 0 0;border-left:0;border-top:1px solid var(--border)}.audience-split h3{font-size:27px;margin:12px 0 18px}.sample{padding-top:43px;padding-bottom:40px}.sample-explainer{margin-top:22px}.outcomes{margin-top:28px;padding-top:24px}.outcomes h3{font-size:25px}.process{padding-top:40px;padding-bottom:42px}.steps .step-prepare{grid-column:2;margin-top:12px;padding:10px 0 0}.steps li:not(:last-child):after{height:calc(100% - 45px)}.steps{gap:27px}.agreement-list>div{grid-template-columns:minmax(0,1fr);gap:6px;padding:19px 0}.faq-list{margin-top:23px}.faq summary{font-size:16px;padding-top:17px;padding-bottom:17px}.faq details>p{padding-right:8px;font-size:16px}.contact-panel{padding:24px 20px}.contact-line{font-size:15px;gap:10px}.site-footer{min-height:130px}.site-footer .landscape{height:130px}}

/* finesse: preserve original contact asset and brand; readable telephone target. */
.phone-link{display:inline-flex;align-items:center;min-height:44px;text-decoration:underline;text-underline-offset:4px;color:var(--accent);overflow-wrap:anywhere}.wechat-card-link{display:block;max-width:320px;margin:18px auto}.wechat-card{display:block;width:100%;height:auto;object-fit:contain}.contact-choice{align-items:center;flex-wrap:wrap}.contact-line{align-items:center;flex-wrap:wrap}.info-body .wechat-card-link{max-width:380px}

/* finesse motion: only transform/opacity animate, static content stays visible. */
.step-details{margin-top:16px;text-align:left;min-width:0}
.step-details summary{display:flex;align-items:center;justify-content:space-between;gap:8px;min-height:44px;padding:8px 10px;border:1px solid var(--border);border-radius:var(--radius);font-size:14px;line-height:1.7;cursor:pointer;list-style:none;white-space:nowrap;color:var(--accent);background:var(--bg)}
.step-details summary::-webkit-details-marker{display:none}
.step-details summary:after{content:'＋';flex-shrink:0}.step-details[open] summary:after{content:'−'}
.step-details summary:focus-visible{outline:3px solid var(--focus);outline-offset:4px}
.step-details summary:active{background:var(--soft)}
.steps .step-details .step-prepare{margin-top:10px;padding:8px 2px 0;border-top:0}
.sample-card:active .sample-image{transform:scale(.99)}
@media(hover:hover) and (pointer:fine){.step-details summary:hover{background:var(--soft)}}
@media(max-width:700px){.step-details{grid-column:2;margin-top:12px}.step-details summary{justify-content:flex-start;gap:16px;padding-inline:12px}.steps .step-details .step-prepare{padding-top:6px}}
@media(prefers-reduced-motion:reduce){.sample-card:active .sample-image{transform:none}}