:root {
  --ink: #171717; --muted: #66635e; --paper: #f7f6f2; --white: #fff; --line: #deddd8;
  --brand: #8d241f; --brand-dark: #651814; --max: 1200px;
  --sans: "PingFang SC", "Microsoft YaHei", Arial, sans-serif; --serif: Georgia, "Times New Roman", serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body { margin: 0; color: var(--ink); background: var(--white); font: 16px/1.75 var(--sans); }
img { display: block; max-width: 100%; }
a { color: inherit; }
.container { width: min(var(--max), calc(100% - 40px)); margin-inline: auto; }
.site-header { position: sticky; top: 0; z-index: 20; background: rgba(255,255,255,.95); border-bottom: 1px solid var(--line); backdrop-filter: blur(12px); }
.header-inner { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.logo { text-decoration: none; font-weight: 800; font-size: 1.35rem; letter-spacing: .08em; white-space: nowrap; }
.logo small { display: block; color: var(--muted); font-size: .62rem; font-weight: 500; letter-spacing: .13em; line-height: 1; margin-top: 3px; }
.logo-mark { color: var(--brand); }
.nav { display: flex; gap: 5px; align-items: center; }
.nav a { padding: 9px 14px; text-decoration: none; color: #44413d; font-size: .92rem; border-bottom: 2px solid transparent; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--brand); border-color: var(--brand); }
.menu-toggle { display: none; border: 1px solid var(--line); background: var(--white); width: 42px; height: 42px; font-size: 1.25rem; cursor: pointer; }
.hero { min-height: max(690px, calc(100svh - 74px)); display: grid; align-items: end; color: var(--white); position: relative; isolation: isolate; background: #222; overflow: hidden; }
.hero-track { position: absolute; inset: 0; }
.hero-slide { position: absolute; inset: 0; isolation: isolate; opacity: 0; pointer-events: none; transition: opacity .8s ease; }
.hero-slide.is-active { opacity: 1; pointer-events: auto; }
.hero-slide__image { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; object-fit: cover; object-position: center; transform: scale(1.04); transition: transform 7s ease-out; }
.hero-slide.is-active .hero-slide__image { transform: scale(1); }
.hero-slide::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, rgba(0,0,0,.76), rgba(0,0,0,.16) 68%), linear-gradient(0deg, rgba(0,0,0,.72), transparent 58%); }
.hero-content { position: absolute; right: 0; bottom: 82px; left: 0; z-index: 1; width: min(900px, calc(100% - 40px)); margin-inline: auto; padding: 0; text-align: center; }
.hero-content .lede { margin-inline: auto; }
.hero-content .actions { justify-content: center; }
.hero-title { margin: 0 0 16px; color: var(--white); font-size: clamp(2.35rem, 6vw, 4.75rem); line-height: 1.18; letter-spacing: -.04em; }
.hero-control { position: absolute; top: 50%; z-index: 3; display: grid; width: 48px; height: 48px; place-items: center; transform: translateY(-50%); border: 1px solid rgba(255,255,255,.48); background: rgba(0,0,0,.18); color: var(--white); font: 2rem/1 Arial, sans-serif; cursor: pointer; transition: background .2s ease, border-color .2s ease; }
.hero-control:hover, .hero-control:focus-visible { background: rgba(0,0,0,.45); border-color: var(--white); outline: none; }
.hero-control--prev { left: 24px; }
.hero-control--next { right: 24px; }
.hero-dots { position: absolute; bottom: 28px; left: 50%; z-index: 3; display: flex; gap: 8px; transform: translateX(-50%); }
.hero-dot { width: 34px; height: 4px; padding: 0; border: 0; background: rgba(255,255,255,.42); cursor: pointer; transition: background .2s ease, width .2s ease; }
.hero-dot.is-active { width: 60px; background: var(--white); }
.hero-dot:focus-visible { outline: 2px solid var(--white); outline-offset: 4px; }
.eyebrow { color: var(--brand); letter-spacing: .16em; font-size: .75rem; font-weight: 700; text-transform: uppercase; }
.hero .eyebrow { color: #e1b1a8; }
h1, h2, h3 { line-height: 1.25; margin: 0 0 16px; }
h1 { font-size: clamp(2.35rem, 6vw, 4.75rem); letter-spacing: -.04em; }
h2 { font-size: clamp(1.8rem, 3vw, 2.65rem); letter-spacing: -.025em; }
h3 { font-size: 1.22rem; }
.lede { max-width: 680px; color: var(--muted); font-size: 1.08rem; }
.hero .lede { color: rgba(255,255,255,.85); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 10px 21px; border: 1px solid var(--ink); text-decoration: none; font-weight: 700; font-size: .92rem; transition: .2s ease; }
.button:hover { transform: translateY(-2px); }
.button--brand { background: var(--brand); color: var(--white); border-color: var(--brand); }
.button--brand:hover { background: var(--brand-dark); }
.button--light { border-color: rgba(255,255,255,.65); color: var(--white); }
.button--light:hover { background: rgba(255,255,255,.12); }
.section { padding: 92px 0; }
.section--paper { background: var(--paper); }
.section-heading { display: flex; justify-content: space-between; gap: 30px; align-items: end; margin-bottom: 38px; }
.section-heading > div { max-width: 720px; }
.section-heading p { margin: 0; color: var(--muted); }
.text-link { color: var(--brand); font-weight: 700; text-decoration: none; white-space: nowrap; }
.text-link::after { content: "  →"; }
.grid { display: grid; gap: 22px; }
.grid--services { grid-template-columns: repeat(4, 1fr); }
.service-card, .info-card, .faq-card { border: 1px solid var(--line); background: var(--white); padding: 27px; }
.service-card { min-height: 235px; display: flex; flex-direction: column; }
.service-card .number { color: var(--brand); font: 700 1rem var(--serif); }
.service-card p { color: var(--muted); margin: 0; }
.service-card a { margin-top: auto; color: var(--brand); font-weight: 700; text-decoration: none; font-size: .88rem; }
.work-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin-top: 18px; }
.work-card { min-width: 0; border: 1px solid var(--line); background: var(--white); text-decoration: none; overflow: hidden; }
.work-card__media { aspect-ratio: 3 / 2; overflow: hidden; background: #e8e6e1; }
.work-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.work-card:hover img { transform: scale(1.035); }
.work-card__body { padding: 16px 18px 18px; }
.work-card__body h3 { margin: 5px 0; font-size: 1.08rem; }
.category-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); grid-template-rows: repeat(2, minmax(0, 1fr)); gap: 22px; }
.category-card { position: relative; min-width: 0; overflow: hidden; background: var(--ink); color: var(--white); text-decoration: none; }
.category-card img { width: 100%; height: 100%; min-height: 260px; aspect-ratio: 4 / 3; object-fit: cover; opacity: .86; transition: transform .35s ease, opacity .35s ease; }
.category-card:hover img { transform: scale(1.045); opacity: .68; }
.category-card__body { position: absolute; right: 0; bottom: 0; left: 0; padding: 50px 20px 18px; background: linear-gradient(0deg, rgba(0,0,0,.82), transparent); }
.category-card__body h3 { margin: 4px 0 0; font-size: 1.22rem; }
.category-card__body p { margin: 4px 0 0; color: rgba(255,255,255,.78); font-size: .86rem; }
.category-card__body .tag { color: #e1b1a8; }
.meta { color: var(--muted); font-size: .82rem; }
.tag { color: var(--brand); font-size: .77rem; font-weight: 700; letter-spacing: .08em; }
.news-list { border-top: 1px solid var(--line); }
.news-row { display: grid; grid-template-columns: 120px 1fr auto; gap: 20px; align-items: center; padding: 22px 0; border-bottom: 1px solid var(--line); text-decoration: none; }
.news-row time { color: var(--muted); font: 700 1.1rem var(--serif); }
.news-row h3 { margin: 0 0 4px; font-size: 1.12rem; }
.news-row p { color: var(--muted); margin: 0; font-size: .92rem; }
.news-row .arrow { color: var(--brand); font-size: 1.25rem; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.split img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.prose p { color: var(--muted); margin: 0 0 16px; }
.prose strong { color: var(--ink); }
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); margin-top: 26px; }
.stat { padding: 18px 12px 0; border-right: 1px solid var(--line); }
.stat:last-child { border: 0; }
.stat b { display: block; font: 700 2rem var(--serif); color: var(--brand); }
.stat span { color: var(--muted); font-size: .84rem; }
#about .split { grid-template-columns: minmax(420px, 1fr) minmax(0, 1fr); gap: clamp(44px, 6vw, 76px); align-items: start; }
#about .split > img { position: static; width: 100%; height: auto; aspect-ratio: 3 / 2; object-fit: contain; padding: 10px; border: 1px solid var(--line); background: var(--white); box-shadow: 0 20px 48px rgba(23,23,23,.11); filter: saturate(.94) contrast(1.02); }
#about .prose { min-width: 0; }
#about .prose h2 { max-width: 700px; margin-top: 8px; }
#about .prose p { max-width: 760px; margin-bottom: 18px; line-height: 1.85; }
#about .stat-grid { margin-top: 34px; }
#about .actions { margin-top: 32px; }
.home-retouch__layout { display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(380px, .98fr); gap: clamp(44px, 6vw, 78px); align-items: center; }
.home-retouch__content { min-width: 0; }
.home-retouch__content h2 { max-width: 720px; margin-top: 8px; }
.home-retouch__content p { max-width: 730px; margin: 0 0 16px; color: var(--muted); }
.home-retouch__content .home-retouch__lead { color: #3f3c38; font-size: 1.08rem; line-height: 1.8; }
.home-retouch__visual { min-width: 0; margin: 0; }
.home-retouch__visual img { width: 100%; height: auto; border: 1px solid var(--line); background: var(--white); box-shadow: 0 20px 48px rgba(23,23,23,.1); }
.home-retouch__visual figcaption { margin-top: 11px; color: var(--muted); font-size: .8rem; }
.home-retouch__steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: 28px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.home-retouch__steps span { padding: 14px 10px; border-right: 1px solid var(--line); color: var(--ink); font-size: .78rem; font-weight: 700; text-align: center; }
.home-retouch__steps span:last-child { border-right: 0; }
.faq-preview { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.faq-card h3 { font-size: 1rem; }
.faq-card p { color: var(--muted); margin: 0; font-size: .92rem; }
.faq-accordion { border-top: 1px solid var(--line); }
.faq-accordion details { border-bottom: 1px solid var(--line); }
.faq-accordion summary { position: relative; padding: 24px 56px 24px 0; color: var(--ink); font-size: 1.06rem; font-weight: 700; cursor: pointer; list-style: none; }
.faq-accordion summary::-webkit-details-marker { display: none; }
.faq-accordion summary::after { content: "+"; position: absolute; top: 50%; right: 4px; display: grid; width: 34px; height: 34px; place-items: center; transform: translateY(-50%); border: 1px solid var(--line); color: var(--brand); font: 400 1.35rem/1 var(--sans); }
.faq-accordion details[open] summary::after { content: "−"; }
.faq-accordion summary:hover, .faq-accordion summary:focus-visible { color: var(--brand); }
.faq-accordion summary:focus-visible { outline: 2px solid var(--brand); outline-offset: 4px; }
.faq-answer { max-width: 860px; padding: 0 56px 24px 0; }
.faq-answer p { margin: 0; color: var(--muted); line-height: 1.8; }
.page-hero { background: var(--paper); padding: 92px 0 70px; border-bottom: 1px solid var(--line); }
.page-hero h1 { max-width: 760px; font-size: clamp(2.2rem, 5vw, 4rem); }
.page-hero .lede { max-width: 760px; }
.about-hero { padding-bottom: 0; }
.about-stats { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 48px; border-top: 1px solid var(--line); }
.about-stats div { padding: 22px 20px 24px 0; border-right: 1px solid var(--line); }
.about-stats div:not(:first-child) { padding-left: 24px; }
.about-stats div:last-child { border-right: 0; }
.about-stats b { display: block; color: var(--brand); font: 700 2rem/1.2 var(--serif); }
.about-stats span { color: var(--muted); font-size: .84rem; }
.about-nav { position: sticky; top: 74px; z-index: 10; overflow-x: auto; border-bottom: 1px solid var(--line); background: rgba(255,255,255,.96); backdrop-filter: blur(10px); }
.about-nav .container { display: flex; min-width: max-content; }
.about-nav a { padding: 14px 22px 13px 0; color: var(--muted); font-size: .84rem; font-weight: 700; text-decoration: none; }
.about-nav a:hover, .about-nav a:focus-visible { color: var(--brand); }
body:has(.about-nav) section[id] { scroll-margin-top: 126px; }
.breadcrumb { color: var(--muted); font-size: .82rem; margin-bottom: 22px; }
.breadcrumb a { color: var(--brand); text-decoration: none; }
.content-stack { display: grid; gap: 54px; }
.content-stack section { border-top: 1px solid var(--line); padding-top: 36px; }
.content-stack section:first-child { border: 0; padding-top: 0; }
.founder-layout { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(340px, .92fr); gap: 48px; align-items: start; }
.founder-portrait { margin: 0; }
.founder-portrait img { width: 100%; height: auto; aspect-ratio: 3 / 2; object-fit: contain; background: var(--paper); }
.founder-portrait figcaption { margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--line); }
.founder-portrait figcaption strong { display: block; color: var(--ink); font-size: .88rem; }
.founder-portrait figcaption span { display: block; max-width: 680px; margin-top: 7px; color: var(--muted); font-size: .82rem; line-height: 1.7; }
.founder-profile { padding-top: 4px; }
.founder-intro { margin: 0 0 22px; color: #45413d; font-size: 1.02rem; }
.founder-facts { margin: 0; border-top: 1px solid var(--line); }
.founder-facts div { display: grid; grid-template-columns: 88px 1fr; gap: 18px; padding: 17px 0; border-bottom: 1px solid var(--line); }
.founder-facts dt { color: var(--brand); font-weight: 700; }
.founder-facts dd { margin: 0; color: var(--muted); }
.founder-note { margin: 20px 0 0; padding-left: 16px; border-left: 3px solid var(--brand); color: var(--muted); font-size: .9rem; }
.milestones-section { padding-top: 54px !important; }
.milestones-heading { max-width: 760px; margin: 0 auto 34px; text-align: center; }
.milestones-heading h2 { margin: 8px 0 10px; }
.milestones-heading p { margin: 0; color: var(--muted); }
.milestone-list { max-width: 1000px; margin: 0 auto; }
.milestone-list article { display: grid; grid-template-columns: 100px 1fr; gap: 26px; padding: 28px 0; border-bottom: 1px solid var(--line); }
.milestone-list article:first-child { border-top: 1px solid var(--line); }
.milestone-list time { color: var(--brand); font: 700 1.7rem/1.25 var(--serif); }
.milestone-list h3 { margin: 0 0 7px; font-size: 1.12rem; }
.milestone-list p { margin: 0; color: var(--muted); }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.check-list, .plain-list { padding-left: 1.2em; margin: 14px 0 0; }
.check-list li, .plain-list li { margin: 7px 0; color: var(--muted); }
.timeline { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; counter-reset: step; }
.timeline article { padding: 22px; border: 1px solid var(--line); background: var(--paper); }
.timeline article::before { counter-increment: step; content: "0" counter(step); display: block; color: var(--brand); font: 700 1.1rem var(--serif); margin-bottom: 18px; }
.timeline p { color: var(--muted); font-size: .9rem; margin: 0; }
.timeline .step-time { display: block; min-height: 2.8em; margin-bottom: 10px; color: var(--brand); font-size: .76rem; font-weight: 700; }
.process-note { margin: 18px 0 0; padding: 16px 18px; border-left: 3px solid var(--brand); background: var(--paper); color: var(--muted); font-size: .9rem; }
.equipment-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-top: 28px; }
.equipment-grid article { padding: 26px; border-top: 3px solid var(--brand); background: var(--paper); }
.equipment-grid article > span { color: var(--brand); font: 700 .72rem var(--sans); letter-spacing: .12em; }
.equipment-grid h3 { margin: 8px 0; }
.equipment-grid p { margin: 0; color: var(--muted); font-size: .92rem; }
.client-list { display: flex; flex-wrap: wrap; gap: 10px; }
.client-list span { border: 1px solid var(--line); padding: 8px 13px; font-weight: 700; font-size: .88rem; }
.client-case-table-wrap { overflow-x: auto; margin-top: 24px; }
.client-case-table { width: 100%; min-width: 760px; border-collapse: collapse; font-size: .9rem; }
.client-case-table th, .client-case-table td { padding: 15px 16px; border: 1px solid var(--line); text-align: left; vertical-align: top; }
.client-case-table thead th { background: var(--ink); color: var(--white); font-size: .82rem; }
.client-case-table tbody th { width: 190px; background: var(--paper); color: var(--ink); font-weight: 700; }
.client-case-year { display: block; margin-bottom: 4px; color: var(--brand); font: 700 1.15rem/1.2 var(--serif); }
.client-case-table tbody td { color: var(--muted); }
.faq-list { display: grid; gap: 12px; max-width: 900px; }
details { border: 1px solid var(--line); padding: 0 20px; background: var(--white); }
summary { cursor: pointer; list-style: none; padding: 19px 0; font-weight: 700; display: flex; justify-content: space-between; gap: 20px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--brand); font-size: 1.4rem; line-height: 1; }
details[open] summary::after { content: "−"; }
details .answer { color: var(--muted); border-top: 1px solid var(--line); padding: 15px 0 20px; }
.listing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.listing-card { border: 1px solid var(--line); background: var(--white); text-decoration: none; }
.listing-card img { aspect-ratio: 4/3; object-fit: cover; width: 100%; }
.listing-card .body { padding: 19px; }
.listing-card h2 { font-size: 1.2rem; margin: 7px 0; }
.listing-card p { color: var(--muted); font-size: .9rem; margin: 0; }
.article { max-width: 860px; margin-inline: auto; }
.article h1 { font-size: clamp(2rem, 4vw, 3.6rem); }
.article-cover { width: 100%; height: auto; max-height: none; object-fit: contain; margin: 34px 0; background: var(--paper); }
.article-theme { margin: 34px 0; }
.article-theme .article-cover { display: block; margin: 0; }
.article-theme figcaption { color: var(--muted); font-size: .86rem; line-height: 1.5; margin-top: 8px; }
.news-zhenfei .article-cover { margin: 18px 0 22px; }
.news-zhenfei .article-content { margin-top: 0; }
.news-zhenfei .article-content h2:first-child { margin-top: 18px; }
.article-content { font-size: 1.05rem; }
.article-content p { color: #45413d; margin: 0 0 20px; }
.article-content h2 { font-size: 1.55rem; margin-top: 36px; }
.article-content table { width: 100%; margin: 28px 0; border-collapse: collapse; font-size: .94rem; }
.article-content th, .article-content td { padding: 12px 14px; border: 1px solid var(--line); text-align: left; vertical-align: top; }
.article-content th { background: var(--paper); color: var(--ink); font-weight: 700; }
.project-facts { margin: 0 0 42px; }
.project-facts h2 { margin-bottom: 16px; }
.project-facts__table { overflow-x: auto; }
.project-facts table { margin: 0; }
.project-facts th { width: 128px; white-space: nowrap; }
.article-footer { margin-top: 32px; }
.article-footer .footer-bottom { align-items: center; }
.article-footer .footer-bottom a { color: var(--white); font-weight: 700; }
.article-gallery { columns: 2; column-gap: 16px; margin: 30px 0; }
.article-gallery img { width: 100%; height: auto; margin: 0 0 16px; break-inside: avoid; border-radius: 4px; background: var(--paper); }
.geo-gallery figure { margin: 0 0 18px; break-inside: avoid; }
.geo-gallery figure img { margin-bottom: 7px; }
.geo-gallery figcaption { color: var(--muted); font-size: .82rem; line-height: 1.5; }
.client-photo { max-width: 640px; margin-inline: auto; }
.magazine-intro { max-width: 720px; margin-bottom: 54px; }
.magazine-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 28px 32px; align-items: center; }
.magazine-feature { grid-column: span 7; }
.magazine-feature img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.magazine-copy { grid-column: span 5; padding: 12px 0; }
.magazine-copy h2 { font-size: clamp(1.7rem, 3vw, 2.5rem); }
.magazine-copy p { color: var(--muted); }
.magazine-copy .kicker { color: var(--brand); font: 700 .78rem var(--serif); letter-spacing: .14em; }
.magazine-row { display: grid; grid-column: span 12; grid-template-columns: 5fr 7fr; gap: 32px; align-items: center; padding-top: 30px; border-top: 1px solid var(--line); }
.magazine-row.reverse { grid-template-columns: 7fr 5fr; }
.magazine-row img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.before-after { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.before-after figure { margin: 0; }
.before-after img { aspect-ratio: 4 / 3; }
.retouch-page .magazine-feature img,
.retouch-page .before-after img { height: auto; aspect-ratio: auto; object-fit: contain; background: #f1f0ec; }
.retouch-page .magazine-feature img { max-height: none; }
.retouch-page .before-after { align-items: start; }
.before-after figcaption { margin-top: 7px; color: var(--muted); font-size: .78rem; }
.report-hero { padding: 88px 0 74px; color: var(--white); background: #20201f; }
.report-hero .breadcrumb { color: rgba(255,255,255,.58); } .report-hero .breadcrumb a { color: #e1b1a8; }
.report-hero h1 { max-width: 900px; margin-top: 12px; font-size: clamp(2.5rem, 6vw, 5rem); letter-spacing: 0; }
.report-subtitle { margin: 0; color: rgba(255,255,255,.78); font-size: clamp(1.1rem, 2.4vw, 1.55rem); }
.report-meta { display: flex; flex-wrap: wrap; gap: 10px 32px; margin-top: 42px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.2); color: rgba(255,255,255,.62); font-size: .82rem; }
.report-narrow { max-width: 900px; } .report-index { display: block; margin-bottom: 13px; color: var(--brand); font-size: .74rem; font-weight: 700; letter-spacing: .12em; }
.report-overview .lede { max-width: 860px; font-size: 1.12rem; }
.report-heading { display: flex; justify-content: space-between; gap: 28px; align-items: end; margin-bottom: 38px; }
.report-heading > div { max-width: 760px; } .report-heading > p { max-width: 390px; margin: 0; color: var(--muted); font-size: .9rem; text-align: right; }
.report-case { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(320px, .65fr); gap: 44px; align-items: start; }
.report-case__visual { margin: 0; } .report-case__visual img { width: 100%; height: auto; background: #e9e8e4; }
.report-case__visual figcaption { margin-top: 10px; color: var(--muted); font-size: .78rem; }
.report-case__content { position: sticky; top: 104px; padding-top: 8px; } .report-case__content p { color: var(--muted); }
.case-facts { margin: 26px 0 0; border-top: 1px solid var(--line); } .case-facts div { display: grid; grid-template-columns: 92px 1fr; gap: 16px; padding: 13px 0; border-bottom: 1px solid var(--line); }
.case-facts dt { color: var(--muted); font-size: .8rem; } .case-facts dd { margin: 0; font-weight: 700; }
.tool-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; } .tool-grid article { min-height: 230px; padding: 28px; border: 1px solid var(--line); }
.tool-grid p { color: var(--muted); } .tool-icon { display: grid; width: 54px; height: 54px; margin-bottom: 30px; place-items: center; background: var(--ink); color: var(--white); font-weight: 700; }
.report-process { display: grid; grid-template-columns: repeat(5, 1fr); margin: 0; padding: 0; list-style: none; border: 1px solid var(--line); background: var(--white); }
.report-process li { min-width: 0; padding: 25px 22px; border-right: 1px solid var(--line); } .report-process li:last-child { border-right: 0; }
.report-process li > span { display: block; margin-bottom: 38px; color: var(--brand); font: 700 1rem var(--serif); } .report-process p { margin: 0; color: var(--muted); font-size: .88rem; }
.retouch-gallery { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px 22px; } .retouch-gallery figure { min-width: 0; margin: 0; }
.retouch-gallery img { width: 100%; height: auto; background: var(--paper); } .retouch-gallery figcaption { display: grid; gap: 3px; padding-top: 12px; border-top: 1px solid var(--line); }
.retouch-gallery figcaption span { color: var(--muted); font-size: .82rem; }
.gallery-placeholder { display: grid; min-height: 320px; padding: 28px; place-content: center; justify-items: center; border: 1px dashed #aaa7a0; background: var(--paper); color: var(--muted); text-align: center; }
.gallery-placeholder span { color: var(--brand); font-size: 2.6rem; line-height: 1; } .gallery-placeholder strong { margin-top: 14px; color: var(--ink); } .gallery-placeholder small { margin-top: 4px; }
.table-scroll { max-width: 100%; overflow-x: auto; border: 1px solid var(--line); background: var(--white); -webkit-overflow-scrolling: touch; }
.report-table { width: 100%; min-width: 850px; border-collapse: collapse; text-align: left; } .report-table th, .report-table td { padding: 16px 18px; border-bottom: 1px solid var(--line); vertical-align: top; }
.report-table th { background: #222; color: var(--white); font-size: .82rem; } .report-table td { color: var(--muted); font-size: .88rem; } .report-table td:first-child { color: var(--ink); font-weight: 700; } .report-table tbody tr:last-child td { border-bottom: 0; }
.spec-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; } .spec-grid article { min-width: 0; min-height: 170px; padding: 25px; border: 1px solid var(--line); background: var(--white); }
.spec-grid span, .spec-grid small { display: block; color: var(--muted); font-size: .78rem; } .spec-grid strong { display: block; margin: 24px 0 5px; overflow-wrap: anywhere; color: var(--brand); font: 700 clamp(1.35rem, 2.4vw, 2rem) var(--serif); }
.service-hero { padding: 80px 0 70px; background: var(--paper); border-bottom: 1px solid var(--line); }
.service-hero h1 { max-width: 900px; }
.service-hero .lede { max-width: 760px; }
.service-hero__image { width: 100%; max-height: 630px; margin-top: 38px; aspect-ratio: 16 / 8; object-fit: cover; }
.service-layout { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(280px, .8fr); gap: 64px; align-items: start; }
.service-layout__copy { position: sticky; top: 100px; }
.service-layout__copy p, .service-layout__copy li { color: var(--muted); }
.service-layout__copy h2 { margin-top: 10px; }
.service-layout__media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; margin-bottom: 18px; }
.service-layout__media figure { margin: 0 0 30px; }
.service-layout__media figcaption { color: var(--muted); font-size: .84rem; }
.service-facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 30px; }
.service-fact { border-top: 1px solid var(--line); padding-top: 12px; }
.service-fact b { display: block; color: var(--brand); font: 700 1.5rem var(--serif); }
.service-fact span { color: var(--muted); font-size: .82rem; }
.service-quote { max-width: 780px; border-left: 3px solid var(--brand); padding: 6px 0 6px 24px; color: #413d38; font: italic 1.35rem/1.65 var(--serif); }
@media (max-width: 900px) { .service-layout { gap: 32px; } }
@media (max-width: 680px) { .service-hero { padding: 64px 0 50px; } .service-hero__image { aspect-ratio: 4 / 3; margin-top: 26px; } .service-layout { grid-template-columns: 1fr; } .service-layout__copy { position: static; } .service-facts { grid-template-columns: 1fr; } .service-quote { font-size: 1.12rem; } }
.contact-band { background: var(--ink); color: var(--white); }
.contact-band .lede, .contact-band .meta { color: rgba(255,255,255,.7); }
.contact-details { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; margin-top: 28px; }
.contact-details div { border-top: 1px solid rgba(255,255,255,.25); padding-top: 12px; }
.contact-link { appearance: none; border: 0; padding: 0; background: none; color: inherit; font: inherit; cursor: pointer; border-bottom: 1px solid rgba(255,255,255,.45); }
.contact-link:hover, .contact-link:focus-visible { color: #fff; border-bottom-color: #fff; }
.wechat-dialog { width: min(440px, calc(100% - 32px)); padding: 0; border: 0; border-radius: 4px; background: #fff; color: var(--ink); box-shadow: 0 24px 80px rgba(0,0,0,.35); }
.wechat-dialog::backdrop { background: rgba(0,0,0,.72); backdrop-filter: blur(3px); }
.wechat-dialog__panel { position: relative; padding: 34px; text-align: center; }
.wechat-dialog__panel h2 { margin: 8px 0; }
.wechat-dialog__panel p { margin: 0 auto 20px; color: var(--muted); }
.wechat-dialog__panel img { display: block; width: min(100%, 300px); height: auto; margin: 0 auto; border: 1px solid var(--line); }
.wechat-dialog__close { position: absolute; top: 10px; right: 10px; width: 38px; height: 38px; border: 0; background: transparent; color: var(--muted); font-size: 1.8rem; line-height: 1; cursor: pointer; }
.wechat-dialog__close:hover, .wechat-dialog__close:focus-visible { color: var(--ink); }
@media (max-width: 900px) and (min-width: 681px) { .contact-details { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.site-footer { background: #111; color: rgba(255,255,255,.7); padding: 36px 0; font-size: .84rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 30px; }
.footer-social { color: rgba(255,255,255,.7); display: flex; flex-wrap: wrap; align-items: center; gap: 4px; }
.footer-social strong { color: var(--white); margin-right: 6px; }
.footer-social a { margin-right: 5px; }
.site-footer a { color: inherit; text-decoration: none; }
.site-footer a:hover { color: var(--white); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.13); margin-top: 24px; padding-top: 18px; display: flex; justify-content: space-between; gap: 20px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
@media (max-width: 900px) { .grid--services { grid-template-columns: repeat(2, 1fr); } .work-grid, .category-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); grid-template-rows: none; } .work-card:last-child { grid-column: 1 / -1; max-width: calc(50% - 9px); } .split { gap: 32px; } .timeline { grid-template-columns: repeat(3, 1fr); } .listing-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 900px) { #about .split { grid-template-columns: minmax(300px, .9fr) minmax(0, 1.1fr); gap: 36px; } #about .split > img { aspect-ratio: 3 / 2; } }
@media (max-width: 900px) { .home-retouch__layout { grid-template-columns: minmax(0, 1.08fr) minmax(300px, .92fr); gap: 36px; align-items: start; } .home-retouch__steps { grid-template-columns: repeat(2, 1fr); } .home-retouch__steps span:nth-child(2) { border-right: 0; } .home-retouch__steps span:nth-child(-n+2) { border-bottom: 1px solid var(--line); } }
@media (max-width: 680px) {
  .container { width: min(var(--max), calc(100% - 28px)); }
  .header-inner { min-height: 64px; } .menu-toggle { display: block; }
  .nav { display: none; position: absolute; top: 64px; left: 0; right: 0; padding: 12px 14px 18px; background: var(--white); border-bottom: 1px solid var(--line); flex-direction: column; align-items: stretch; }
  .nav.is-open { display: flex; } .nav a { padding: 12px 8px; border-bottom: 1px solid var(--line); }
  .hero { min-height: max(630px, calc(100svh - 64px)); } .hero-content { padding: 80px 42px 72px 0; } .hero-control { width: 40px; height: 40px; } .hero-control--prev { left: 12px; } .hero-control--next { right: 12px; } .hero-dots { bottom: 22px; } .section { padding: 64px 0; }
  .section-heading { display: block; margin-bottom: 26px; } .section-heading .text-link { display: inline-block; margin-top: 12px; }
  .grid--services, .faq-preview, .split, .two-col, .contact-details, .footer-grid { grid-template-columns: 1fr; }
  #about .split { grid-template-columns: 1fr; gap: 34px; }
  #about .split > img { position: static; aspect-ratio: 3 / 2; object-fit: contain; padding: 7px; }
  .home-retouch__layout { grid-template-columns: 1fr; gap: 32px; }
  .home-retouch__visual { order: -1; }
  .home-retouch__steps { grid-template-columns: 1fr 1fr; }
  .category-grid { gap: 14px; }
  .work-grid { grid-template-columns: 1fr; } .work-card:last-child { grid-column: auto; max-width: none; }
  .news-row { grid-template-columns: 82px 1fr auto; gap: 12px; } .news-row p { display: none; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); } .stat { border-bottom: 1px solid var(--line); padding-bottom: 12px; } .stat:nth-child(2) { border-right: 0; }
  .about-stats { grid-template-columns: repeat(2, 1fr); margin-top: 32px; }
  .about-stats div, .about-stats div:not(:first-child) { padding: 16px 12px 16px 0; border-bottom: 1px solid var(--line); }
  .about-stats div:nth-child(2n) { padding-left: 16px; border-right: 0; }
  .about-nav { top: 64px; }
  body:has(.about-nav) section[id] { scroll-margin-top: 112px; }
  .page-hero { padding: 58px 0 46px; }
  .page-hero h1 { font-size: clamp(2rem, 9vw, 2.8rem); line-height: 1.24; letter-spacing: -.02em; }
  .page-hero .lede { font-size: 1rem; line-height: 1.75; }
  .content-stack { gap: 42px; }
  .content-stack section { padding-top: 28px; }
  .content-stack section h2 { font-size: 1.7rem; line-height: 1.35; margin-bottom: 14px; }
  .prose p, .founder-intro { font-size: .96rem; line-height: 1.8; }
  .client-case-table-wrap { margin-top: 18px; overflow: visible; }
  .client-case-table { min-width: 0; display: block; font-size: .92rem; }
  .client-case-table thead { display: none; }
  .client-case-table tbody, .client-case-table tr { display: block; }
  .client-case-table tr { margin-bottom: 14px; border: 1px solid var(--line); background: var(--white); }
  .client-case-table th, .client-case-table td { display: block; width: auto !important; border: 0; border-bottom: 1px solid var(--line); padding: 12px 14px; }
  .client-case-table tbody th { background: var(--paper); font-size: 1rem; }
  .client-case-table tbody td:last-child { border-bottom: 0; }
  .client-case-table tbody td::before { display: block; margin-bottom: 3px; color: var(--brand); font-size: .72rem; font-weight: 700; letter-spacing: .08em; }
  .client-case-table tbody td:nth-child(2)::before { content: "拍摄内容与执行"; }
  .client-case-table tbody td:nth-child(3)::before { content: "交付与用途"; }
  .client-case-year { display: inline-block; margin: 0 8px 0 0; font-size: 1.05rem; }
  .founder-layout { grid-template-columns: 1fr; gap: 24px; }
  .founder-facts div { grid-template-columns: 76px 1fr; gap: 12px; }
  .milestones-heading { text-align: left; margin-bottom: 22px; }
  .milestone-list article { grid-template-columns: 1fr; gap: 8px; padding: 22px 0; }
  .milestone-list time { font-size: 1.45rem; }
  .equipment-grid { grid-template-columns: 1fr; }
  .timeline { grid-template-columns: 1fr; } .listing-grid { grid-template-columns: 1fr; } .article-gallery { columns: 1; }
  .category-grid { grid-template-columns: 1fr; }
  .magazine-grid, .magazine-row, .magazine-row.reverse { grid-template-columns: 1fr; } .magazine-feature, .magazine-copy, .magazine-row { grid-column: auto; }
  .footer-bottom { display: block; } .footer-bottom span { display: block; margin-top: 8px; }
}

/* 分类作品集 */
.work-tabs { display: flex; flex-wrap: wrap; gap: 10px; margin: 0 0 24px; }
.work-tab { min-height: 42px; padding: 8px 17px; border: 1px solid var(--line); border-radius: 4px; background: var(--white); color: var(--ink); font: 700 .9rem/1 var(--sans); cursor: pointer; transition: color .2s ease, background .2s ease, border-color .2s ease, transform .2s ease; }
.work-tab:hover { border-color: var(--brand); color: var(--brand); transform: translateY(-1px); }
.work-tab.is-active { border-color: var(--brand); background: var(--brand); color: var(--white); }
.work-tab:focus-visible { outline: 3px solid rgba(141,36,31,.25); outline-offset: 2px; }
.portfolio-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.portfolio-card { min-width: 0; color: var(--white); text-decoration: none; border-radius: 6px; overflow: hidden; box-shadow: 0 8px 22px rgba(23,23,23,.1); animation: work-in .3s ease both; }
.portfolio-card__media { position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: #e8e6e1; }
.portfolio-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.portfolio-card__overlay { position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: end; align-items: start; padding: 22px; background: linear-gradient(0deg, rgba(0,0,0,.9), rgba(0,0,0,.08) 72%); opacity: 0; transition: opacity .3s ease; }
.portfolio-card__date { margin-bottom: 5px; color: rgba(255,255,255,.76); font-size: .78rem; }
.portfolio-card__overlay h3 { margin: 0; font-size: 1.12rem; }
.portfolio-card__overlay p { display: -webkit-box; margin: 7px 0 0; overflow: hidden; color: rgba(255,255,255,.82); font-size: .86rem; line-height: 1.55; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
.portfolio-card:hover img, .portfolio-card:focus-visible img { transform: scale(1.055); }
.portfolio-card:hover .portfolio-card__overlay, .portfolio-card:focus-visible .portfolio-card__overlay { opacity: 1; }
.portfolio-card:focus-visible { outline: 3px solid var(--brand); outline-offset: 3px; }
.portfolio-actions { display: flex; justify-content: center; margin-top: 32px; }
.listing-grid[data-work-grid] .listing-card { border-radius: 6px; overflow: hidden; box-shadow: 0 7px 20px rgba(23,23,23,.08); animation: work-in .3s ease both; }
.listing-grid[data-work-grid] .listing-card > img { aspect-ratio: 4 / 3; }
.work-empty { color: var(--muted); text-align: center; padding: 36px 0; }
.work-breadcrumb { color: var(--muted); margin-bottom: 28px; font-size: .88rem; }
@keyframes work-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
@media (max-width: 900px) { .portfolio-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 680px) {
  .hero-content { right: 14px; bottom: 58px; left: 14px; width: auto; padding: 0; }
  .hero-title { font-size: clamp(2rem, 10vw, 3rem); }
  .hero .lede { font-size: .98rem; }
  .hero-content .actions { gap: 8px; }
  .work-tabs { flex-wrap: nowrap; overflow-x: auto; margin-right: -14px; padding: 0 14px 8px 0; scrollbar-width: thin; }
  .work-tab { flex: 0 0 auto; }
  .portfolio-grid { grid-template-columns: 1fr; gap: 16px; }
  .portfolio-card__overlay { opacity: 1; }
}
@media (prefers-reduced-motion: reduce) { .portfolio-card, .listing-grid[data-work-grid] .listing-card { animation: none; } }
@media (max-width: 900px) {
  .tool-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .report-case { grid-template-columns: 1fr; }
  .report-case__content { position: static; }
  .report-process { grid-template-columns: repeat(2, 1fr); }
  .report-process li { border-bottom: 1px solid var(--line); }
  .report-process li:nth-child(2n) { border-right: 0; }
  .report-process li:last-child { grid-column: 1 / -1; border-bottom: 0; }
  .spec-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 680px) {
  .report-hero { padding: 62px 0 54px; }
  .report-meta { display: grid; margin-top: 30px; }
  .report-heading { display: block; margin-bottom: 28px; }
  .report-heading > p { margin-top: 8px; text-align: left; }
  .tool-grid, .retouch-gallery, .spec-grid { grid-template-columns: 1fr; }
  .tool-grid article { min-height: 0; }
  .report-process { grid-template-columns: 1fr; }
  .report-process li, .report-process li:nth-child(2n), .report-process li:last-child { grid-column: auto; border-right: 0; border-bottom: 1px solid var(--line); }
  .report-process li:last-child { border-bottom: 0; }
  .report-process li > span { margin-bottom: 20px; }
  .gallery-placeholder { min-height: 240px; }
  .spec-grid article { min-height: 145px; }
}