/* CHENGPINJIA / responsive contracts on the V3 visual system. */
@font-face { font-family: 'Inter Tight'; src: url('assets/inter-tight-1.ttf') format('truetype'); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: 'Inter Tight'; src: url('assets/inter-tight-2.ttf') format('truetype'); font-weight: 500; font-style: normal; font-display: swap; }
@font-face { font-family: 'Inter Tight'; src: url('assets/inter-tight-3.ttf') format('truetype'); font-weight: 600; font-style: normal; font-display: swap; }
:root { --paper: #f7f5f0; --ink: #202b25; --green: #233d33; --lime: #c9d3ab; --muted: #5e685f; --line: #d2d6ca; --white: #fcfcf8; --gutter: clamp(24px,4.5vw,88px); --display: var(--type-display); --ease: cubic-bezier(.2,.7,.2,1); --surface: #edf0e7; --surface-raised: #fcfcf7; --on-dark: #f2f1eb; --muted-on-dark: #d4ddcf; --line-on-dark: #657b6c; --action-hover: #365344; --focus: #386c4d; --danger: #93483c; --shadow-overlay: 0 16px 32px #10271a14; --font-body: 'Inter Tight','PingFang SC','Microsoft YaHei',sans-serif; --font-heading: 'PingFang SC','Microsoft YaHei','Inter Tight',sans-serif; --font-latin: 'Inter Tight',sans-serif; --type-display: clamp(44px,5.35vw,82px); --type-h2: clamp(34px,3.3vw,52px); --type-h3: clamp(22px,1.8vw,27px); --type-body: 17px; --type-small: 15px; --type-note: 13px; --type-label: 12px; --space-1: 8px; --space-2: 16px; --space-3: 24px; --space-4: 32px; --space-5: 48px; --space-6: 64px; --section-space: clamp(72px,8vw,120px); --content-max: 1512px; --page-inset: max(var(--edge-gutter),calc((100vw - var(--content-max))/2)); --header-height: calc(88px + env(safe-area-inset-top,0px)); --radius-control: 0px; --duration-fast: 180ms; --duration-normal: 300ms; --duration-media: 600ms; --control-border: #788579; --edge-gutter: max(var(--gutter),env(safe-area-inset-left,0px),env(safe-area-inset-right,0px)); }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-height) + 24px); }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--font-body); -webkit-font-smoothing: antialiased; font-size: var(--type-body); line-height: 1.85; font-weight: 400; }
body.lock { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button,input,select,textarea { font: inherit; color: inherit; }
button { border: 0; cursor: pointer; }
button,a,input,select,textarea { touch-action: manipulation; }
button { border: 0; cursor: pointer; }
img { display: block; width: 100%; height: 100%; object-fit: cover; }
figure,p,h1,h2,h3 { margin: 0; }
h1,h2,h3 { font-weight: 400; line-height: 1.35; font-family: var(--font-heading); text-wrap: balance; }
button:focus-visible,a:focus-visible,summary:focus-visible { outline: 2px solid var(--focus); outline-offset: 5px; }
input:focus-visible,textarea:focus-visible,select:focus-visible { outline: 2px solid var(--green); outline-offset: 3px; }
::selection { background: var(--lime); color: var(--ink); }
[hidden] { display: none!important; }
.wrap { width: calc(100% - var(--edge-gutter)*2); max-width: var(--content-max); margin-inline: auto; }
.section { padding-block: var(--section-space); }
.eyebrow { font-size: var(--type-label); font-weight: 500; letter-spacing: .12em; line-height: 1.6; text-transform: uppercase; font-family: var(--font-latin); }
.muted { color: var(--muted); }
.note { font-size: var(--type-note); line-height: 1.9; color: var(--muted); }
.body { font-size: 17px; line-height: 1.95; color: var(--muted); max-width: 38em; }
.display { font-size: var(--type-display); letter-spacing: -.02em; line-height: 1.25; }
.section-title { font-size: var(--type-h2); letter-spacing: -.02em; line-height: 1.4; }
.arrow { width: 22px; height: 22px; flex-shrink: 0; transition: transform var(--duration-normal) var(--ease); stroke-linecap: square; }
a:hover .arrow,button:hover .arrow { transform: translate(3px,-3px); }
.btn { display: inline-flex; align-items: center; justify-content: space-between; gap: 48px; padding: 17px 24px; min-height: 58px; background: var(--green); color: var(--white); font-size: 15px; letter-spacing: .025em; transition: background var(--duration-fast), transform var(--duration-fast); font-weight: 500; border-radius: var(--radius-control); white-space: nowrap; }
.btn .arrow { color: var(--lime); }
.btn:hover { background: var(--action-hover); }
.btn.light { background: var(--paper); color: var(--green); }
.btn.light:hover { background: #fff; }
.btn.light .arrow { color: var(--green); }
.text-link { display: inline-flex; align-items: center; justify-content: space-between; gap: 28px; border-bottom: 1px solid currentColor; padding: 9px 0; line-height: 1.5; min-height: 44px; font-size: 15px; letter-spacing: .01em; }
.skip { position: fixed; top: 8px; left: 16px; background: var(--green); color: white; padding: 12px; z-index: 200; transform: translateY(-180%); }
.skip:focus { transform: translateY(0); }
.header { height: var(--header-height); border-bottom: 1px solid var(--line); position: relative; z-index: 30; background: var(--paper); }
.header-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-top: env(safe-area-inset-top,0px); }
.wordmark { display: inline-flex; flex-direction: column; line-height: 1.05; gap: 7px; }
.wordmark b { font-size: 30px; letter-spacing: -.045em; font-weight: 500; font-family: var(--font-latin); }
.wordmark span { font-size: 15px; letter-spacing: .2em; font-family: var(--font-heading); }
.nav { display: flex; align-items: center; gap: clamp(24px,2.8vw,44px); font-size: 14px; }
.nav>a { position: relative; padding: 9px 0; min-height: 44px; display: inline-flex; align-items: center; }
.nav>a:not(.nav-cta):after { content: ''; height: 1px; position: absolute; left: 0; right: 100%; bottom: 1px; background: currentColor; transition: right .3s; }
.nav>a:hover:after,.nav>a[aria-current=page]:after { right: 0; }
.nav-cta { border-bottom: 1px solid currentColor; display: flex; gap: 24px; align-items: center; margin-left: 8px; }
.nav-cta .arrow { width: 19px; }
.menu-toggle { display: none; background: none; padding: 10px 0; min-height: 44px; align-items: center; gap: 12px; }
.menu-icon { display: flex; flex-direction: column; width: 23px; gap: 6px; }
.menu-icon:before,.menu-icon:after { content: ''; width: 100%; height: 1px; background: currentColor; transition: transform .2s; }
.menu-toggle[aria-expanded=true] .menu-icon:before { transform: translateY(3.5px) rotate(45deg); }
.menu-toggle[aria-expanded=true] .menu-icon:after { transform: translateY(-3.5px) rotate(-45deg); }
.mobile-nav { position: absolute; top: 100%; left: 0; right: 0; background: var(--paper); padding: 16px var(--page-inset) max(24px,env(safe-area-inset-bottom,0px)); box-shadow: var(--shadow-overlay); max-height: calc(100dvh - var(--header-height)); overflow-y: auto; overscroll-behavior-y: contain; }
.mobile-nav a { display: flex; justify-content: space-between; padding: 15px 0; border-bottom: 1px solid var(--line); font-size: 20px; font-family: var(--font-heading); min-height: 56px; }
.hero-foot { position: absolute; left: var(--page-inset); font-size: 12px; }
.intro { display: grid; grid-template-columns: minmax(0,.9fr) minmax(0,1.1fr); gap: 12%; border-bottom: 1px solid var(--line); }
.intro .eyebrow { margin-bottom: 30px; }
.intro p.body { padding-top: 8px; }
.intro .text-link { margin-top: 24px; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 40px; margin-bottom: 48px; }
.section-head .eyebrow { margin-bottom: 20px; }
.projects-grid { display: grid; grid-template-columns: minmax(0,1.16fr) minmax(0,1fr); gap: clamp(32px,5vw,80px); }
.project:nth-child(2) { padding-top: 104px; }
.project-image { aspect-ratio: 6/5; overflow: hidden; background: var(--surface); position: relative; display: block; }
.project:nth-child(2) .project-image { aspect-ratio: 1/1; }
.project-image img { transition: transform var(--duration-media) var(--ease); }
.project:hover img { transform: scale(1.035); }
.project-image .project-index { position: absolute; left: 20px; top: 20px; background: var(--paper); padding: 8px 12px; font-size: 11px; letter-spacing: .12em; }
.project-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 24px 0 12px; min-height: 36px; }
.project-heading h3 { font-size: var(--type-h3); letter-spacing: -.015em; font-weight: 400; }
.project-meta { display: flex; gap: 8px 20px; flex-wrap: wrap; font-size: 14px; color: var(--muted); }
.project .note { margin-top: 12px; }
.project-description { max-width: 30em; margin-top: 24px; color: var(--muted); font-size: 16px; line-height: 1.95; }
.project .text-link { margin-top: 18px; }
.all-projects .project:nth-child(2) { padding-top: 104px; }
.green-section { background: var(--green); color: var(--paper); --focus: var(--lime); }
.green-section .eyebrow { color: var(--lime); }
.green-section .body,.green-section .note { color: var(--muted-on-dark); }
.service-layout { display: grid; grid-template-columns: 1fr 1.1fr; gap: 10%; }
.service-lead { display: flex; flex-direction: column; align-items: start; }
.service-lead .eyebrow { margin-bottom: 27px; }
.service-lead .body { margin-top: 28px; max-width: 420px; }
.service-lead .text-link { margin-top: 50px; }
.service-list { border-top: 1px solid var(--line-on-dark); }
.service-row { display: grid; grid-template-columns: minmax(0,1fr) 22px; gap: 24px; padding: 30px 0; border-bottom: 1px solid var(--line-on-dark); }
.service-row .num { color: var(--lime); font-size: 12px; padding-top: 5px; display: none; }
.service-row h3 { font-size: 24px; margin-bottom: 12px; font-weight: 400; }
.service-row p { font-size: 16px; color: var(--muted-on-dark); max-width: 30em; line-height: 1.9; }
.price-line { display: flex; align-items: baseline; gap: 14px; margin-top: 40px; }
.price-line strong { font-weight: 400; font-size: 72px; line-height: 1; letter-spacing: -.035em; font-family: var(--font-latin); font-variant-numeric: tabular-nums; }
.price-line span { font-size: 14px; }
.service-lead .note { margin-top: 15px; max-width: 400px; }
.feature { display: grid; grid-template-columns: minmax(0,1.05fr) minmax(0,1fr); gap: 10%; align-items: center; }
.feature-image { aspect-ratio: 6/5; overflow: hidden; }
.feature-copy .eyebrow { margin-bottom: 26px; }
.feature-copy .body { margin-top: 26px; }
.feature-copy .text-link { margin-top: 30px; }
.feature-image figcaption { font-size: 12px; margin-top: 12px; color: var(--muted); }
.feature-lines { margin-top: 36px; }
.feature-lines p { padding: 18px 0; border-top: 1px solid var(--line); font-size: 16px; display: flex; gap: 24px; }
.feature-lines span { color: var(--muted); font-size: 12px; }
.process-section { padding-top: 0; }
.process-strip { display: grid; grid-template-columns: repeat(4,1fr); border-top: 1px solid var(--line); margin-top: 45px; gap: 28px; }
.process-item { padding: 28px 0 0; }
.process-item .num { font-size: 12px; letter-spacing: .1em; color: var(--muted); }
.process-item h3 { font-size: 22px; margin: 24px 0 16px; font-weight: 500; }
.process-item p { font-size: 16px; color: var(--muted); max-width: 25em; line-height: 1.9; }
.faq-home { display: grid; grid-template-columns: 1fr 1.2fr; gap: 10%; border-top: 1px solid var(--line); }
.faq-home .text-link { margin-top: 30px; }
.faq-list { border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
summary { cursor: pointer; list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 25px 0; font-size: 18px; line-height: 1.7; font-family: var(--font-heading); font-weight: 400; }
summary::-webkit-details-marker { display: none; }
summary:after { content: '+'; font-size: 24px; font-weight: 400; flex-shrink: 0; line-height: 1; font-family: var(--font-latin); }
.faq-item[open] summary:after { content: '−'; }
.faq-item p { padding: 0 36px 24px 0; max-width: 42em; color: var(--muted); line-height: 1.95; font-size: 16px; }
.faq-item a { display: inline-block; color: var(--green); border-bottom: 1px solid; margin: 0 0 20px; font-size: 14px; min-height: 40px; align-items: center; }
.invite { background: var(--green); color: var(--paper); padding-block: clamp(72px,7vw,104px); --focus: var(--lime); }
.invite-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.invite .eyebrow { color: var(--lime); margin-bottom: 20px; }
.invite h2 { font-size: clamp(36px,4vw,64px); letter-spacing: -.025em; line-height: 1.3; font-weight: 400; }
.invite p:not(.eyebrow) { color: var(--muted-on-dark); margin-top: 17px; font-size: 16px; line-height: 1.9; }
.invite .btn { flex-shrink: 0; }
.footer { padding: 72px 0 28px; background: var(--surface); padding-bottom: max(28px,env(safe-area-inset-bottom,0px)); }
.footer-main { display: grid; grid-template-columns: 1.3fr 1fr 1.15fr; gap: var(--space-6); }
.footer-brand .wordmark b { font-size: 36px; }
.footer-brand p { margin-top: 24px; font-size: 14px; color: var(--muted); line-height: 1.9; }
.footer-links { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 24px; align-content: start; font-size: 14px; }
.footer-links a:hover { text-decoration: underline; }
.footer-contact .eyebrow { margin-bottom: 13px; }
.footer-contact .phone { font-size: 32px; letter-spacing: -.03em; display: block; font-family: var(--font-latin); white-space: nowrap; font-weight: 400; }
.copy-wechat { background: none; border-bottom: 1px solid currentColor; padding: 5px 0; margin-top: 12px; font-size: 14px; display: inline-flex; align-items: center; gap: 12px; min-height: 44px; line-height: 1.5; }
.footer-bottom { border-top: 1px solid var(--line); margin-top: var(--space-6); padding-top: 23px; display: flex; justify-content: space-between; gap: 24px; color: var(--muted); font-size: 12px; line-height: 1.85; }
.footer-bottom a { text-decoration: underline; }
.toast { position: fixed; z-index: 110; bottom: 30px; left: 50%; transform: translate(-50%,20px); background: var(--ink); color: var(--paper); padding: 13px 25px; font-size: 14px; max-width: 90%; opacity: 0; pointer-events: none; transition: opacity .2s,transform .2s; }
.toast.visible { opacity: 1; transform: translate(-50%,0); }
.page-head { padding: 56px 0 64px; }
.breadcrumbs { font-size: 13px; color: var(--muted); margin-bottom: 40px; display: flex; gap: 12px; min-height: 24px; }
.breadcrumbs a:hover { text-decoration: underline; }
.page-head .eyebrow { color: var(--green); margin-bottom: 24px; }
.page-head-grid { display: block; }
.page-head .body { font-size: 17px; padding-bottom: 0; line-height: 1.95; max-width: 42em; margin-top: 28px; }
.page-head h1 { max-width: 1000px; }
.wide-image { height: clamp(360px,42vw,640px); position: relative; }
.wide-image figcaption { position: absolute; bottom: 20px; left: 20px; background: var(--paper); padding: 10px 14px; font-size: 12px; }
.anchor-bar { display: flex; gap: 28px 40px; flex-wrap: wrap; border-bottom: 1px solid var(--line); padding: 18px 0; font-size: 14px; align-items: center; }
.anchor-bar a:hover { color: var(--green); text-decoration: underline; }
.chapter { display: grid; grid-template-columns: minmax(140px,.55fr) minmax(0,1.65fr); gap: clamp(32px,6vw,96px); padding: var(--section-space) 0; border-bottom: 1px solid var(--line); }
.chapter .eyebrow { color: var(--muted); }
.chapter h2 { font-size: var(--type-h2); letter-spacing: -.025em; margin-bottom: var(--space-3); }
.chapter p.body { font-size: 17px; }
.text-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-top: 40px; }
.text-columns h3 { font-size: 21px; margin-bottom: var(--space-2); font-weight: 500; }
.text-columns p { color: var(--muted); font-size: 16px; line-height: 1.95; }
.detail-table { width: 100%; border-collapse: collapse; margin-top: 30px; font-size: 15px; line-height: 1.9; }
.detail-table th { text-align: left; font-size: 13px; letter-spacing: .05em; font-weight: 500; color: var(--ink); background: var(--surface); }
.detail-table td,.detail-table th { padding: 20px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
.detail-table td:first-child { min-width: 130px; }
.tags { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 28px; }
.tags span { border: 1px solid transparent; padding: 8px 14px; font-size: 13px; background: var(--surface); border-radius: var(--radius-control); }
.pricing-panel { display: grid; grid-template-columns: 1fr 1.1fr; gap: 10%; padding-block: var(--section-space); }
.pricing-amount { font-size: clamp(72px,7.2vw,108px); letter-spacing: -.04em; line-height: 1.1; margin: 25px 0 20px; font-family: var(--font-latin); font-weight: 400; }
.pricing-amount small { font-size: 22px; letter-spacing: 0; }
.pricing-panel .note { max-width: 430px; }
.pricing-panel h3 { font-size: 23px; margin-bottom: 24px; line-height: 1.6; font-weight: 400; }
.pricing-panel p { margin-bottom: 20px; }
.pricing-panel .text-link { margin-top: 20px; }
.timeline { counter-reset: step; }
.timeline-item { display: grid; grid-template-columns: 48px 1fr; gap: 24px; padding: 28px 0; border-top: 1px solid var(--line); }
.timeline-item:before { counter-increment: step; content: counter(step,decimal-leading-zero); font-size: 13px; color: var(--muted); padding-top: 4px; }
.timeline-item h3 { font-size: 22px; margin-bottom: 12px; font-weight: 500; }
.timeline-item p { font-size: 16px; color: var(--muted); max-width: 40em; line-height: 1.95; }
.payment-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 25px; margin-top: 40px; }
.payment-grid strong { font-size: 60px; line-height: 1.1; font-weight: 400; letter-spacing: -.03em; font-family: var(--font-latin); font-variant-numeric: tabular-nums; }
.payment-grid p { border-top: 1px solid var(--line-on-dark); margin-top: 20px; padding-top: 18px; font-size: 15px; color: var(--muted-on-dark); line-height: 1.9; }
.case-head { padding-bottom: 40px; }
.case-head .display { font-size: var(--type-display); }
.case-facts { display: flex; gap: clamp(28px,6vw,88px); flex-wrap: wrap; margin-top: 38px; padding-bottom: 16px; padding: 28px 0; border-block: 1px solid var(--line); }
.case-facts div { display: flex; flex-direction: column; gap: 6px; }
.case-facts span { font-size: 13px; color: var(--muted); }
.case-facts strong { font-size: 28px; font-weight: 400; line-height: 1.5; }
.case-facts .note { font-size: 12px; max-width: 250px; }
.gallery-intro { display: flex; justify-content: space-between; gap: 40px; align-items: end; margin-bottom: 40px; }
.gallery-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 44px 32px; }
.gallery-grid figure:first-child { grid-column: 1/-1; }
.gallery-grid figure:first-child .photo-button { aspect-ratio: 16/9; }
.photo-button { display: block; width: 100%; padding: 0; background: none; overflow: hidden; aspect-ratio: 4/3; position: relative; }
.photo-button img { transition: transform var(--duration-media) var(--ease); }
.photo-button:hover img { transform: scale(1.025); }
.gallery-grid figcaption,.construction-grid figcaption { font-size: 13px; color: var(--muted); margin-top: 14px; display: flex; justify-content: space-between; line-height: 1.7; gap: 16px; }
.construction-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; margin-top: 35px; }
.construction-grid .photo-button { aspect-ratio: .85; }
.case-disclaimer { padding: 22px 0; border-block: 1px solid var(--line); margin-top: 30px; }
.lightbox { --focus: var(--lime); border: 0; background: #151a17; color: white; padding: 0; width: 100%; height: 100dvh; max-width: none; max-height: none; margin: 0; overflow: hidden; }
.lightbox::backdrop { background: #151a17; }
.lightbox-inner { height: 100%; display: grid; grid-template-rows: 64px minmax(0,1fr) 65px; padding: env(safe-area-inset-top,0px) max(24px,env(safe-area-inset-left,0px)) env(safe-area-inset-bottom,0px) max(24px,env(safe-area-inset-right,0px)); }
.lightbox-bar { display: flex; align-items: center; justify-content: space-between; gap: 20px; font-size: 13px; }
.lightbox button { background: transparent; color: white; padding: 12px; min-width: 44px; min-height: 44px; }
.lightbox-close { font-size: 26px; }
.lightbox-image { height: 100%; min-height: 0; object-fit: contain; }
.lightbox-controls { display: flex; gap: 20px; align-items: center; }
.lightbox-controls button { font-size: 25px; }
.manifesto { padding: var(--section-space) 0; }
.manifesto p { font-size: clamp(30px,3.2vw,50px); line-height: 1.8; letter-spacing: -.02em; max-width: 1100px; font-family: var(--font-heading); font-weight: 400; }
.manifesto p span { color: var(--muted); }
.about-image { height: clamp(330px,42vw,620px); }
.founder { display: grid; grid-template-columns: 1fr 1.3fr; gap: 10%; padding: var(--section-space) 0; }
.founder h3 { font-size: 44px; margin: 25px 0 14px; letter-spacing: -.02em; }
.founder .role { color: var(--muted); }
.founder .body { max-width: 660px; font-size: 17px; }
.founder .body+.body { margin-top: 20px; }
.faq-layout { display: grid; grid-template-columns: 260px minmax(0,1fr); gap: 7%; padding-bottom: var(--section-space); }
.faq-sidebar { position: sticky; top: 32px; align-self: start; }
.search-wrap { position: relative; margin-bottom: 30px; }
.search-wrap input { background: none; border: 0; border-bottom: 1px solid var(--ink); width: 100%; padding: 16px 38px 16px 0; border-radius: 0; font-size: 16px; min-height: 56px; }
.search-wrap:after { content: ''; position: absolute; right: 0; top: 18px; pointer-events: none; width: 22px; height: 22px; background: currentColor; mask: url('/assets/search.svg') center/contain no-repeat; -webkit-mask: url('/assets/search.svg') center/contain no-repeat; }
.faq-categories { display: flex; flex-direction: column; align-items: start; gap: 4px; }
.faq-categories button { width: 100%; display: flex; align-items: center; justify-content: space-between; text-align: left; background: transparent; padding: 13px 16px; font-size: 14px; transition: background var(--duration-fast); min-height: 46px; border-radius: var(--radius-control); }
.faq-categories button span { font-size: 12px; color: var(--muted); }
.faq-categories button[aria-pressed=true] { background: var(--green); color: var(--paper); }
.faq-categories button[aria-pressed=true] span { color: var(--lime); }
.faq-count { font-size: 13px; color: var(--muted); margin-bottom: 24px; }
.faq-group { margin-bottom: 38px; }
.faq-group h2 { font-size: 24px; margin-bottom: 24px; font-weight: 500; }
.empty-state { padding: 60px 0; font-size: 18px; }
.empty-state p { font-size: 14px; color: var(--muted); margin-top: 13px; }
.visit-layout { display: grid; grid-template-columns: 1.15fr 1fr; gap: 8%; padding-bottom: var(--section-space); }
.visit-choices { border-top: 1px solid var(--line); margin-bottom: 32px; }
.visit-choice { display: block; border-bottom: 1px solid var(--line); position: relative; padding: 24px 50px 24px 20px; cursor: pointer; transition: background var(--duration-fast); }
.visit-choice input { position: absolute; opacity: 0; }
.visit-choice:after { content: ''; position: absolute; right: 16px; top: 30px; width: 20px; height: 20px; border: 1px solid var(--muted); border-radius: 50%; }
.visit-choice:has(input:checked):after { border: 6px solid var(--green); }
.visit-choice:has(input:focus-visible) { outline: 2px solid var(--green); outline-offset: 3px; }
.visit-choice b { font-size: 20px; font-weight: 500; }
.visit-choice p { font-size: 15px; color: var(--muted); margin-top: 12px; line-height: 1.95; }
.visit-panel { background: var(--surface); padding: 40px; align-self: start; border-top: 1px solid var(--green); }
.visit-panel .eyebrow { margin-bottom: 25px; }
.visit-panel h2 { font-size: var(--type-h3); margin-bottom: 20px; }
.visit-panel .phone { font-size: clamp(28px,2.8vw,42px); display: block; letter-spacing: -.025em; margin: 20px 0; font-family: var(--font-latin); white-space: nowrap; font-weight: 400; }
.visit-panel .btn { width: 100%; margin-top: 25px; }
.visit-panel .note { margin-top: 22px; }
.visit-message { width: 100%; border: 1px solid var(--control-border); border-bottom: 1px solid var(--control-border); background: var(--surface-raised); padding: 16px; resize: vertical; min-height: 132px; border-radius: var(--radius-control); font-size: 16px; line-height: 1.8; margin-top: 12px; }
.field-label { display: block; font-size: 14px; margin-bottom: 6px; line-height: 1.8; }
.visit-context { border: 0; padding: 14px 18px; margin-bottom: 25px; font-size: 14px; background: var(--surface); border-left: 1px solid var(--green); }
.locations { display: grid; grid-template-columns: 1fr 1fr; gap: 10%; padding-block: var(--section-space); border-top: 1px solid var(--line); }
.locations h3 { font-size: var(--type-h3); margin-bottom: 18px; }
.locations .eyebrow { margin-bottom: 20px; color: var(--muted); }
.locations p { color: var(--muted); margin-bottom: 15px; }
.privacy { max-width: 820px; padding-bottom: var(--section-space); }
.privacy h2 { font-size: 26px; margin: 48px 0 20px; }
.privacy p { color: var(--muted); }
.hero--video { --focus: var(--lime); isolation: isolate; min-height: 100dvh; height: auto; max-height: none; background: #1b2520; color: #fff; padding: calc(var(--header-height) + 32px) var(--page-inset) max(96px,calc(72px + env(safe-area-inset-bottom,0px))); overflow: hidden; display: flex; align-items: center; position: relative; }
.hero--video .hero-media,.hero--video .hero-shade { position: absolute; inset: 0; z-index: -2; pointer-events: none; }
.hero--video .hero-poster,.hero--video .hero-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 58% 52%; }
.hero--video .hero-video { opacity: 0; transition: opacity .7s ease; }
.hero--video.has-video-frame .hero-video { opacity: 1; }
.hero--video .hero-shade { z-index: -1; background: linear-gradient(90deg,rgba(10,19,15,.78) 0%,rgba(10,19,15,.65) 35%,rgba(10,19,15,.22) 70%,rgba(10,19,15,.1) 100%),linear-gradient(0deg,rgba(10,19,15,.55),transparent 30%,transparent 75%,rgba(10,19,15,.14)); }
.hero--video .hero-copy { padding: 0; width: min(800px,70%); pointer-events: auto; position: relative; z-index: 2; }
.hero--video .hero-copy .eyebrow { color: #e6ebde; margin-bottom: 28px; font-size: 12px; letter-spacing: .24em; }
.hero--video h1 { font-size: clamp(72px,7.2vw,120px); font-weight: 400; line-height: 1.2; letter-spacing: -.025em; text-shadow: 0 2px 22px #09110c20; font-family: var(--font-heading); }
.hero--video h1 span { background: none; box-shadow: none; padding: 0; }
.hero--video .hero-sub { font-size: clamp(20px,1.6vw,28px); margin: 30px 0 36px; color: #fafbf7; letter-spacing: .035em; font-weight: 400; }
.hero--video .btn { background: var(--paper); color: var(--green); min-width: 236px; border: 1px solid transparent; }
.hero--video .btn .arrow { color: var(--green); }
.hero--video .btn:hover { background: #fff; }
.hero--video .hero-foot { position: absolute; left: var(--page-inset); bottom: 32px; max-width: none; color: #f0f2eb; gap: 28px; font-size: 12px; letter-spacing: .08em; display: flex; align-items: center; }
.hero--video .hero-foot:after { background: #ffffff80; }
.hero-video-tools { position: absolute; right: var(--page-inset); bottom: 23px; display: flex; align-items: center; gap: 22px; }
.hero-video-toggle { display: flex; align-items: center; gap: 11px; min-height: 46px; padding: 10px 13px; background: #14241bc9; border: 1px solid #ffffff70; color: #fff; font-size: 12px; letter-spacing: .06em; transition: background .2s; border-radius: var(--radius-control); }
.hero-video-toggle:hover { background: #14241bf0; }
.hero-video-toggle svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.3; }
.hero-video-toggle .video-pause-icon { display: none; }
.hero-video-toggle.is-playing .video-play-icon { display: none; }
.hero-video-toggle.is-playing .video-pause-icon { display: block; }
.hero-video-status { font-size: 11px; color: #f0f2eb; letter-spacing: .04em; }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .55; cursor: default; }
.green-section .text-link:focus-visible,.invite .btn:focus-visible { outline-color: var(--lime); }
.nav-cta:hover { color: var(--green); }
.footer-links a { min-height: 44px; display: inline-flex; align-items: center; }
.footer-bottom a { display: inline-block; padding-block: 5px; }
.copy-wechat .arrow { width: 18px; height: 18px; }
.service-row { transition: background var(--duration-fast); grid-template-columns: minmax(0,1fr) 22px; padding: 30px 0; }
.service-row:hover { background: #ffffff05; }
.photo-expand { position: absolute; bottom: 16px; right: 16px; width: 44px; height: 44px; display: grid; place-items: center; background: var(--paper); color: var(--green); }
.photo-expand .arrow { width: 21px; height: 21px; }
.gallery-grid figcaption .arrow { width: 14px; height: 14px; }
.gallery-grid figcaption>span:last-child { display: flex; align-items: center; gap: 8px; }
.faq-categories button:hover:not([aria-pressed=true]) { background: var(--surface); }
.faq-item summary:hover { color: var(--green); }
.faq-item[open] summary { color: var(--green); }
.visit-choice:has(input:checked) { background: var(--surface); box-shadow: none; }
.visit-choice:hover { background: var(--surface); }
.visit-layout-heading { font-size: var(--type-h3); margin-bottom: var(--space-3); }
.field-label .muted { font-size: 13px; }
.visit-panel .body { font-size: 16px; }
.sr-only { position: absolute; width: 1px; height: 1px; clip-path: inset(50%); overflow: hidden; white-space: nowrap; }
.space-after { padding-bottom: var(--section-space); }
.no-padding-top { padding-top: 0; }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
figure>figcaption.note { margin-top: 12px; }
.chapter .body { max-width: 40em; }
.pricing-panel+.invite { border-top: 1px solid var(--line-on-dark); }
@media(min-width:1800px) {

}
@media(max-width:1100px) {
  .nav { gap: clamp(22px,2.5vw,44px); font-size: 14px; }
  .wordmark b { font-size: 30px; font-family: var(--font-latin); font-weight: 500; letter-spacing: -.045em; }
  .nav-cta { margin-left: 8px; gap: 24px; }
  .section { padding-block: var(--section-space); }
  .footer-main { gap: var(--space-6); grid-template-columns: 1.3fr 1fr 1.15fr; }
  .footer-brand .wordmark b { font-size: 34px; }
  .intro,.feature,.service-layout { gap: 7%; }
  .page-head-grid { grid-template-columns: 1.3fr 1fr; gap: 10%; }
  .chapter { gap: 10%; grid-template-columns: .58fr 1.7fr; padding: var(--section-space) 0; }
  .faq-layout { grid-template-columns: 260px minmax(0,1fr); gap: 6%; padding-bottom: var(--section-space); }
  .visit-layout { gap: 8%; padding-bottom: var(--section-space); }
  .visit-panel { padding: 40px; background: var(--surface); border-top: 2px solid var(--green); }
  .payment-grid strong { font-size: 60px; font-family: var(--font-latin); font-variant-numeric: tabular-nums; }
}
@media(max-width:800px) {
  :root { --gutter: 24px; --header-height: calc(76px + env(safe-area-inset-top,0px)); --type-body: 16px; --type-display: clamp(40px,8.6vw,62px); --type-h2: clamp(30px,6vw,42px); --section-space: 72px; }
  :root { --gutter: 24px; --header-height: calc(76px + env(safe-area-inset-top,0px)); --type-body: 16px; --type-display: clamp(40px,8.6vw,62px); --type-h2: clamp(30px,6vw,42px); --section-space: 72px; }
  .header { height: var(--header-height); }
  .nav { display: none; font-size: 14px; gap: clamp(22px,2.5vw,44px); }
  .menu-toggle { display: flex; }
  .wordmark b { font-size: 25px; font-family: var(--font-latin); font-weight: 500; letter-spacing: -.045em; }
  .wordmark span { font-size: 13px; font-family: var(--font-heading); letter-spacing: .2em; }
  .hero-foot { position: absolute; left: var(--page-inset); font-size: 12px; }
  .section { padding-block: var(--section-space); }
  .intro { grid-template-columns: 1fr; gap: 24px; }
  .intro .eyebrow { margin-bottom: 22px; }
  .intro p.body { padding-top: 0; }
  .body { font-size: 16px; line-height: 1.95; max-width: 36em; }
  .section-head { align-items: start; margin-bottom: var(--space-5); gap: 20px; flex-wrap: wrap; }
  .section-head .eyebrow { margin-bottom: 15px; }
  .section-head .text-link { font-size: 13px; }
  .projects-grid { grid-template-columns: 1fr; gap: 44px; }
  .project:nth-child(2),.all-projects .project:nth-child(2) { padding-top: 0; }
  .project:nth-child(2) .project-image,.project-image { aspect-ratio: 4/3; }
  .project-heading { margin-top: 18px; margin: 24px 0 12px; min-height: 36px; }
  .project-heading h3 { font-size: 24px; letter-spacing: -.015em; }
  .project-meta { gap: 8px 18px; font-size: var(--type-small); }
  .service-layout { grid-template-columns: 1fr; gap: 40px; }
  .service-lead .body { margin-top: 22px; }
  .service-lead .text-link { margin-top: 25px; }
  .price-line { margin-top: 28px; }
  .service-row { padding: 32px 0; gap: 16px; grid-template-columns: minmax(0,1fr) 22px; }
  .service-row h3 { font-size: 22px; margin-bottom: 12px; }
  .service-row p { font-size: 15px; line-height: 1.9; color: var(--muted-on-dark); }
  .feature { grid-template-columns: 1fr; gap: 32px; }
  .feature-copy .body { margin-top: 20px; }
  .feature-image { aspect-ratio: 4/3; }
  .process-section { padding-top: 0; }
  .process-strip { grid-template-columns: 1fr 1fr; gap: 32px 20px; margin-top: 30px; }
  .process-item { padding: 28px 0 0; }
  .process-item h3 { font-size: 20px; margin: 24px 0 16px; }
  .process-item p { font-size: 15px; line-height: 1.9; max-width: none; }
  .faq-home { grid-template-columns: 1fr; gap: 32px; }
  .faq-home .text-link { margin-top: 22px; }
  summary { font-size: 17px; padding: 22px 0; font-family: var(--font-heading); line-height: 1.65; }
  .faq-item p { font-size: 15px; padding-right: 15px; line-height: 1.95; max-width: 42em; padding: 0 36px 24px 0; }
  .invite { padding-block: 64px; --focus: var(--lime); }
  .invite-inner { display: block; }
  .invite h2 { font-size: 34px; letter-spacing: -.025em; line-height: 1.35; }
  .invite .btn { margin-top: 30px; min-height: 56px; }
  .invite p:not(.eyebrow) { font-size: 15px; color: var(--muted-on-dark); line-height: 1.9; }
  .footer { padding-top: 56px; padding: 80px 0 28px; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 40px 24px; }
  .footer-brand { grid-column: 1/-1; }
  .footer-brand .wordmark b { font-size: 30px; }
  .footer-brand p { margin-top: 17px; font-size: 14px; line-height: 1.9; }
  .footer-links { grid-template-columns: 1fr; gap: 8px; font-size: 14px; }
  .footer-contact .phone { font-size: 25px; font-family: var(--font-latin); white-space: nowrap; }
  .footer-bottom { margin-top: 48px; flex-direction: column; gap: 16px; font-size: 12px; line-height: 1.85; }
  .page-head { padding: 28px 0 44px; }
  .breadcrumbs { margin-bottom: 32px; font-size: 12px; min-height: 24px; }
  .page-head-grid { display: block; }
  .page-head .body { font-size: 16px; line-height: 1.95; max-width: 32em; margin-top: 24px; }
  .display { font-size: var(--type-display); letter-spacing: -.025em; line-height: 1.25; }
  .page-head .eyebrow { font-size: 11px; margin-bottom: 20px; }
  .wide-image { height: auto; aspect-ratio: 4/3; }
  .wide-image figcaption { left: 12px; bottom: 12px; font-size: 12px; padding: 10px 14px; }
  .anchor-bar { gap: 12px 24px; font-size: 13px; padding-block: 18px; padding: 18px 0; align-items: center; }
  .chapter { grid-template-columns: 1fr; gap: 24px; padding-block: 56px; padding: var(--section-space) 0; }
  .chapter h2 { font-size: var(--type-h2); margin-bottom: var(--space-3); letter-spacing: -.025em; }
  .chapter p.body { font-size: 16px; }
  .text-columns { gap: var(--space-5); margin-top: var(--space-4); }
  .text-columns h3 { font-size: 20px; margin-bottom: var(--space-2); }
  .text-columns p { font-size: 15px; line-height: 1.95; }
  .detail-table { font-size: 13px; line-height: 1.9; }
  .detail-table th,.detail-table td { padding: 16px 12px 16px 0; }
  .detail-table td:first-child { min-width: 90px; }
  .pricing-panel { grid-template-columns: 1fr; gap: 40px; padding-block: var(--section-space); }
  .pricing-amount { font-size: clamp(72px,7.5vw,112px); font-family: var(--font-latin); letter-spacing: -.04em; }
  .pricing-panel p { font-size: 16px; }
  .payment-grid { grid-template-columns: 1fr 1fr; gap: 35px 25px; }
  .payment-grid strong { font-size: 50px; font-family: var(--font-latin); font-variant-numeric: tabular-nums; }
  .case-facts { gap: 24px 32px; margin-top: 28px; padding-bottom: 16px; padding: 24px 0; }
  .case-facts strong { font-size: 24px; line-height: 1.5; }
  .case-facts div:last-child { width: 100%; }
  .gallery-intro { display: block; }
  .gallery-intro .body { font-size: 15px; margin-top: 18px; }
  .gallery-grid { gap: 32px; }
  .gallery-grid figure:first-child .photo-button { aspect-ratio: 4/3; }
  .gallery-grid .photo-button { aspect-ratio: 4/3; }
  .gallery-grid figcaption { font-size: 12px; }
  .construction-grid { gap: 24px; }
  .construction-grid figcaption { font-size: 12px; }
  .lightbox-inner { padding: 0 12px; }
  .lightbox-bar { font-size: 11px; }
  .manifesto { padding-block: 55px; padding: var(--section-space) 0; }
  .manifesto p { font-size: clamp(30px,3.2vw,50px); font-family: var(--font-heading); letter-spacing: -.02em; line-height: 1.7; }
  .about-image { height: clamp(330px,42vw,620px); }
  .founder { grid-template-columns: 1fr; gap: 32px; padding-block: 55px; padding: var(--section-space) 0; }
  .founder h3 { font-size: 44px; margin-top: 20px; letter-spacing: -.02em; }
  .founder .body { font-size: 16px; }
  .faq-layout { grid-template-columns: 1fr; gap: 35px; padding-bottom: 64px; }
  .faq-sidebar { position: static; }
  .search-wrap { margin-bottom: 22px; }
  .faq-categories { flex-direction: row; flex-wrap: wrap; gap: 8px; }
  .faq-categories button { width: auto; gap: 12px; border: 1px solid var(--line); font-size: 12px; padding: 10px 12px; min-height: 46px; border-radius: var(--radius-control); }
  .faq-group h2 { font-size: 23px; margin-bottom: 24px; }
  .visit-layout { grid-template-columns: 1fr; gap: 40px; padding-bottom: var(--section-space); }
  .visit-panel { padding: 28px 24px; background: var(--surface); border-top: 2px solid var(--green); }
  .visit-choice b { font-size: 19px; }
  .locations { grid-template-columns: 1fr; gap: 40px; padding-block: 56px; }
  .locations h3 { font-size: var(--type-h3); }
  .locations p { font-size: 15px; }
  :root { --header-height: calc(76px + env(safe-area-inset-top,0px)); --type-body: 16px; --type-small: 14px; --type-note: 12px; --type-label: 11px; --section-space: 72px; --type-display: clamp(40px,8.6vw,62px); --type-h2: clamp(30px,6vw,42px); --type-h3: 22px; }
  .hero--video { display: flex; align-items: center; overflow: hidden; position: relative; }
  .hero--video .hero-copy { width: 100%; }
  .hero--video .hero-copy .eyebrow { font-size: 11px; letter-spacing: .19em; margin-bottom: 24px; }
  .hero--video h1 { font-size: clamp(52px,12vw,76px); font-weight: 400; letter-spacing: -.03em; line-height: 1.25; font-family: var(--font-heading); }
  .hero--video .hero-sub { font-size: 17px; margin: 24px 0 30px; letter-spacing: 0; }
  .hero--video .hero-poster,.hero--video .hero-video { object-position: 61% 50%; }
  .hero--video .hero-shade { background: linear-gradient(90deg,rgba(10,19,15,.74),rgba(10,19,15,.65) 72%,rgba(10,19,15,.42)),linear-gradient(0deg,rgba(10,19,15,.6),transparent 27%,rgba(10,19,15,.08) 75%); }
  .hero--video .btn { min-width: 210px; min-height: 56px; }
  .hero--video .hero-foot { position: absolute; bottom: 26px; left: var(--page-inset); margin: 0; font-size: 10px; gap: 0; max-width: calc(100% - 160px); }
  .hero--video .hero-foot:after { display: none; }
  .hero-video-tools { right: var(--page-inset); bottom: 14px; gap: 8px; align-items: end; flex-direction: column; }
  .hero-video-toggle { font-size: 11px; padding: 9px 12px; border-radius: var(--radius-control); }
  .hero-video-status { font-size: 9px; }
  .section-head .eyebrow { font-size: 11px; }
  .case-facts .note { font-size: 12px; }
  .hero--video .hero-copy { width: 100%; }
  .timeline-item p { font-size: 15px; }
  .visit-panel .body { font-size: 16px; }
}
@media(prefers-reduced-motion:reduce) {
  html { scroll-behavior: auto; scroll-padding-top: calc(var(--header-height) + 24px); }
  *,*:before,*:after { animation: none!important; transition: none!important; }
}
@media(max-width:600px) {
  .gallery-grid,.construction-grid,.text-columns { grid-template-columns: 1fr; }
  .construction-grid .photo-button { aspect-ratio: 4/3; }
  .field-label .muted { display: block; margin-top: 8px; }
  .footer-main { grid-template-columns: 1fr; }
  .footer-links { grid-template-columns: 1fr 1fr; }
  .footer-contact .phone { font-size: 30px; }
  .visit-choice { padding-left: 16px; }
}
.page-home .header { position: absolute; inset: 0 0 auto; background: transparent; color: #fff; border-bottom: 1px solid #ffffff30; }
.page-home .nav-cta { padding: 12px 18px; min-height: 46px; border: 1px solid #ffffff80; }
.page-home .nav-cta:hover { background: var(--paper); color: var(--green); }
.page-home .header .wordmark { color: #fff; }
.page-home .header .mobile-nav { background: var(--paper); color: var(--ink); }
.page-home .header .menu-toggle:focus-visible,.page-home .header a:focus-visible { outline-color: var(--lime); }
.page-home .intro .eyebrow,.page-home .feature-copy>.eyebrow,.page-home .process-section .eyebrow,.page-home .faq-home .eyebrow,.invite .eyebrow { display: none; }
.page-home .intro .section-title { font-size: clamp(36px,3.6vw,58px); }
.page-home .intro .text-link { margin-top: 28px; }
.project-index { display: none; }
.project-image img,.photo-button img { object-position: center; }
input::placeholder,textarea::placeholder { color: var(--muted); opacity: 1; }
input,select,textarea { max-width: 100%; }
.hero-foot:after { display: none; }
.header-inner>*,.page-head-grid>*,.service-layout>*,.feature>*,.chapter>*,.pricing-panel>*,.footer-main>*,.visit-layout>* { min-width: 0; }
@media (hover:hover) {
  .text-link:hover { color: var(--green); }
  .green-section .text-link:hover { color: var(--lime); }
  .photo-button:hover .photo-expand { background: var(--green); color: var(--paper); }
}
@media(max-width:800px) {
  .page-home .intro .section-title { font-size: 36px; }
  .hero-video-tools { bottom: max(14px,env(safe-area-inset-bottom)); }
  .hero--video .hero-foot { bottom: max(28px,env(safe-area-inset-bottom)); }
  .text-columns { gap: 28px; }
}
@media(prefers-reduced-motion:reduce) {
  *,*:before,*:after { animation: none!important; transition: none!important; }
}
.page-home .header { border-bottom: 0; }
.page-home .header::before { content: ''; position: absolute; inset: 0 0 auto; height: 196px; z-index: -1; pointer-events: none; background: linear-gradient(180deg,rgba(10,23,14,.8),rgba(10,23,14,.7) 45%,transparent); }
@media(max-height:540px) and (min-width:600px) {
  .hero--video { height: auto; min-height: 100dvh; max-height: none; padding: calc(var(--header-height) + 16px) var(--page-inset) max(32px,env(safe-area-inset-bottom,0px)); }
  .hero--video .hero-copy { padding: 0; }
  .hero--video .hero-copy .eyebrow { display: none; }
  .hero--video h1 { font-size: clamp(40px,5vw,60px); line-height: 1.15; }
  .hero--video .hero-sub { font-size: 16px; margin: 16px 0 20px; }
  .hero--video .btn { min-height: 48px; padding: 12px 20px; }
  .hero--video .hero-foot { display: none; }
  .hero-video-tools { bottom: 12px; }
}

/* Responsive contracts: safe insets, content growth and touch targets. */
.hero--video { min-height:100vh; min-height:100dvh; }
.mobile-nav { max-height:calc(100vh - var(--header-height)); max-height:calc(100dvh - var(--header-height)); }
.mobile-nav a { align-items:center; gap:24px; }
.mobile-nav .arrow { flex:none; }
.lightbox-bar>span { min-width:0; overflow-wrap:anywhere; }
.lightbox-controls { flex:none; }
.case-facts>div,.project-meta>span,.faq-categories button { min-width:0; }
.visit-message { overflow-wrap:anywhere; }
@media(pointer:coarse) {
  .anchor-bar a,.breadcrumbs a,.project-heading,.faq-item a { min-height:44px; display:inline-flex; align-items:center; }
  .anchor-bar { row-gap:4px; padding-block:12px; }
  .breadcrumbs { align-items:center; }
}
@media(max-width:480px) {
  :root { --gutter:clamp(16px,5vw,24px); }
  .hero--video .hero-foot { max-width:calc(100% - var(--page-inset)*2 - 124px); }
  .lightbox-bar { gap:12px; }
  .lightbox-controls { gap:10px; }
}
/* Long labels may wrap instead of escaping their container when text is enlarged. */
.btn { max-width:100%; white-space:normal; }
.project-meta,.case-facts,.visit-context { overflow-wrap:anywhere; }