/* Seven Fox refresh. Native CSS on the existing static nginx site.
   DESIGN_VARIANCE 7 / MOTION_INTENSITY 4 / VISUAL_DENSITY 3.
   Cool neutral surfaces, existing cobalt identity. Radius: panels 16px, controls 8px.
   Layers: header 20, navigation 30. */
:root{color-scheme:light;--bg:#fbfcfe;--surface:#f0f3f8;--panel:#fff;--text:#152338;--muted:#57667b;--accent:#2459d1;--accent-strong:#1947b6;--accent-soft:#eaf0fd;--line:#dce3ee;--header:rgba(251,252,254,.96);--shadow:0 20px 60px rgba(29,58,107,.07)}
:root[data-theme=dark]{color-scheme:dark;--bg:#111923;--surface:#182332;--panel:#1b293a;--text:#e7edf7;--muted:#acbdd2;--accent:#98b8ff;--accent-strong:#bbd0ff;--accent-soft:#203658;--line:#32445b;--header:rgba(17,25,35,.97);--shadow:none}
@media(prefers-color-scheme:dark){:root:not([data-theme=light]){color-scheme:dark;--bg:#111923;--surface:#182332;--panel:#1b293a;--text:#e7edf7;--muted:#acbdd2;--accent:#98b8ff;--accent-strong:#bbd0ff;--accent-soft:#203658;--line:#32445b;--header:rgba(17,25,35,.97);--shadow:none}}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--bg);color:var(--text);font-family:"Microsoft YaHei","PingFang SC","Noto Sans CJK SC",system-ui,sans-serif;font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-strong)}button{cursor:pointer}img{display:block;max-width:100%;height:auto}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.35;font-weight:650;letter-spacing:-.035em}h2{font-size:clamp(27px,3vw,39px);margin-bottom:18px}h3{font-size:23px;margin-bottom:13px}p{color:var(--muted)}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:5px}a,button{touch-action:manipulation}[hidden]{display:none!important}.container{width:min(1240px,calc(100% - 80px));margin-inline:auto}.section{padding:92px 0}.muted{background:var(--surface)}.lead{font-size:18px;max-width:720px;line-height:1.9}.eyebrow{font-size:13px;line-height:1.5;color:var(--accent);font-weight:700;margin:0 0 21px;letter-spacing:.06em}.section-heading{max-width:710px;margin-bottom:39px}.section-heading p{margin-bottom:0}.skip-link{position:fixed;left:16px;top:-80px;z-index:40;background:var(--panel);padding:10px 18px}.skip-link:focus{top:10px}.site-header{height:76px;position:sticky;top:0;background:var(--header);border-bottom:1px solid var(--line);z-index:20}.nav{height:100%;display:flex;align-items:center;gap:24px}.logo{display:flex;gap:10px;align-items:center;color:var(--text)!important;font-size:17px;font-weight:700;white-space:nowrap;letter-spacing:0}.logo-mark{width:18px;height:18px;flex:none;border-radius:4px;background:linear-gradient(135deg,#2563ff,#06b6d4)}.nav-links{display:flex;align-items:center;gap:23px;margin-left:auto;white-space:nowrap}.nav-links>a:not(.btn){font-size:13px;font-weight:600;color:var(--muted);position:relative}.nav-links>a[aria-current],.nav-links>a.active{color:var(--accent)}.nav-links>a:not(.btn):hover{color:var(--accent)}.nav-cta{font-size:13px!important;padding:10px 15px!important;min-height:41px!important}.theme-toggle{padding:9px 0;color:var(--muted);font-size:12px;background:transparent;border:0;white-space:nowrap;min-width:40px;min-height:42px}.nav-toggle{display:none;min-width:44px;min-height:44px;border:1px solid var(--line);border-radius:8px;background:var(--panel);color:var(--text);font-size:14px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:18px;padding:13px 22px;min-height:48px;border-radius:8px;border:1px solid transparent;font-size:15px;font-weight:650;white-space:nowrap;line-height:1.5;transition:transform .18s ease,background .18s ease}.btn-primary{background:var(--accent);color:var(--bg)!important}.btn-primary:hover{background:var(--accent-strong)}.btn-ghost{background:transparent;border-color:var(--line);color:var(--text)}.btn-ghost:hover{background:var(--accent-soft);border-color:var(--accent)}.btn:active{transform:scale(.98)}.text-link{display:inline-flex;align-items:center;gap:17px;font-weight:650;font-size:15px}.text-link span,.btn span{font-size:19px;transition:transform .2s}.text-link:hover span,.btn:hover span{transform:translateX(3px)}.home-intro{padding:65px 0 66px}.intro-grid{display:grid;grid-template-columns:1.02fr 1fr;align-items:center;gap:40px}.intro-copy h1{font-size:clamp(37px,3.8vw,53px);margin-bottom:23px;letter-spacing:-.05em}.intro-copy h1 span{display:block}.intro-copy h1 span:last-child{color:var(--accent)}.intro-copy .lead{max-width:510px;margin-bottom:31px;font-size:17px;line-height:1.95}.hero-actions{display:flex;gap:13px;flex-wrap:wrap}.hero-art{margin:0;aspect-ratio:1.13;display:flex;align-items:center;justify-content:center;background:#e7ebf0;overflow:hidden;border-radius:20px}.hero-art img{width:100%;height:100%;object-fit:cover}.service-overview{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.service-overview .container{display:grid;grid-template-columns:repeat(3,1fr)}.service-overview a{padding:26px 24px 25px 0;color:var(--text);font-size:15px;font-weight:650;display:flex;gap:18px;align-items:center}.service-overview a+a{padding-left:32px;border-left:1px solid var(--line)}.service-overview small{display:block;font-size:12px;font-weight:400;color:var(--muted);margin-top:3px}.service-overview .overview-arrow{margin-left:auto;color:var(--accent);font-size:21px}.services-composition{display:grid;grid-template-columns:1.18fr 1fr;gap:28px}.domino-feature{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:var(--panel);display:flex;flex-direction:column}.domino-feature .service-copy{padding:38px 38px 32px}.domino-feature h3{font-size:29px}.service-copy p{max-width:480px}.service-photo{height:220px;object-fit:cover;width:100%;margin-top:auto}.service-details-list{display:grid;gap:22px}.service-compact{padding:33px 35px;background:var(--surface);border-radius:16px}.service-compact:last-child{background:var(--accent-soft)}.service-compact h3{font-size:24px}.service-compact p{margin-bottom:17px}.scope{display:flex;gap:10px 19px;flex-wrap:wrap;padding:0;list-style:none;margin:22px 0;color:var(--muted);font-size:13px}.scope li{padding-left:12px;border-left:2px solid var(--line)}.approach-heading{display:grid;grid-template-columns:1fr 1fr;gap:65px;align-items:start}.approach-heading>p{margin:0;font-size:17px}.approach-points{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;margin-top:42px}.approach-points article{border-top:2px solid var(--line);padding-top:21px}.approach-points h3{font-size:17px;letter-spacing:0}.approach-points p{font-size:14px;margin:0}.case-tabs{display:flex;gap:10px;margin:28px 0 27px;flex-wrap:wrap}.case-tabs button{background:transparent;color:var(--muted);border:1px solid var(--line);border-radius:8px;min-height:44px;padding:9px 18px;font-size:14px}.case-tabs button[aria-selected=true]{background:var(--accent);border-color:var(--accent);color:var(--bg)}.case-panel{display:grid;grid-template-columns:1.2fr 1fr;gap:58px;align-items:center}.case-panel img{width:100%;aspect-ratio:1.65;object-fit:cover;border-radius:16px}.case-panel h3{font-size:29px}.case-panel p{line-height:1.95;margin-bottom:22px}.case-category{font-size:13px;color:var(--accent);font-weight:650;margin-bottom:12px}.about-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:85px}.about-layout .about-copy{font-size:17px}.expertise{margin-top:27px;display:flex;flex-wrap:wrap;gap:8px}.expertise span{padding:6px 12px;border:1px solid var(--line);font-size:12px;border-radius:6px;color:var(--muted)}.about-note{border-left:3px solid var(--accent);padding-left:26px;margin-top:30px}.about-note p{margin-bottom:8px;font-size:15px}.articles-heading{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:32px}.articles-heading h2{margin:0}.article-teasers{display:grid;grid-template-columns:1fr 1fr;gap:24px}.article-teaser{padding:29px 31px;border:1px solid var(--line);border-radius:12px;display:flex;flex-direction:column;gap:12px;transition:border-color .2s;background:var(--panel)}.article-teaser:hover{border-color:var(--accent)}.article-teaser .category{font-size:12px;color:var(--accent)}.article-teaser h3{font-size:19px;line-height:1.6;margin:0;letter-spacing:-.01em}.article-teaser h3 a{color:var(--text)}.article-teaser p{font-size:14px;margin:0}.article-teaser .text-link{margin-top:auto;padding-top:12px;font-size:13px}.contact-section{padding:86px 0;border-top:1px solid var(--line);background:var(--accent-soft)}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px}.contact-grid h2{font-size:clamp(29px,3vw,41px);margin-bottom:19px}.contact-details{display:grid;grid-template-columns:1fr 114px;gap:25px;align-items:start}.contact-details .phone{display:inline-block;font-size:30px;font-weight:650;color:var(--text);line-height:1.4;margin-bottom:12px;letter-spacing:.01em}.contact-details p{font-size:14px;margin-bottom:10px}.contact-details address{font-style:normal;font-size:13px;color:var(--muted);max-width:300px;line-height:1.8}.contact-qr{margin:0;text-align:center;font-size:12px;color:var(--muted)}.contact-qr img{width:114px;height:114px;padding:5px;background:#fff;border-radius:8px;image-rendering:auto}.contact-qr figcaption{margin-top:9px}.copy-email{margin-left:10px;font-size:12px;border:0;background:none;color:var(--accent);padding:4px;min-height:36px}.copy-status{font-size:12px!important;min-height:21px}.site-footer{border-top:1px solid var(--line);padding:29px 0 31px;font-size:12px;color:var(--muted)}.footer-inner{display:flex;justify-content:space-between;gap:25px;align-items:start}.footer-inner p{margin:0;font-size:12px}.footer-inner a{color:var(--muted)}.footer-links{display:flex;gap:20px;white-space:nowrap}
.page-intro{padding:64px 0 51px;background:var(--surface);border-bottom:1px solid var(--line)}.page-intro h1{font-size:clamp(32px,4vw,49px);max-width:900px;margin:0 0 23px}.page-intro .lead{max-width:850px;margin-bottom:0}.page-intro .btn{margin-top:24px}.feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:25px}.feature-card{padding:30px 33px;border:1px solid var(--line);border-radius:14px;background:var(--panel)}.feature-card:first-child:last-child{grid-column:1/-1}.feature-grid>.feature-card:last-child:nth-child(odd){grid-column:1/-1}.feature-card .title{font-size:21px;font-weight:650;margin-bottom:12px}.feature-card p:last-child{margin-bottom:0}.feature-card p{font-size:15px}.service-details{display:grid;gap:15px;margin-top:28px}.service-details details{border:1px solid var(--line);padding:19px 26px;border-radius:12px;background:var(--panel)}.service-details summary{font-size:20px;font-weight:650;cursor:pointer}.service-details ul{display:grid;grid-template-columns:1fr 1fr;gap:9px 35px;padding-left:20px;color:var(--muted);font-size:15px;margin-top:20px}.process{display:grid;grid-template-columns:repeat(4,1fr);gap:25px;margin-top:30px}.process .step{border-top:2px solid var(--accent);padding-top:21px;font-size:14px;color:var(--muted)}.step strong{display:block;font-size:18px;color:var(--text);margin-bottom:10px}.cases-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:28px}.cases-grid>.case:first-child{grid-row:span 2}.cases-grid>.case:first-child .case-media{aspect-ratio:1.05}.case{overflow:hidden;border-radius:14px;background:var(--panel);border:1px solid var(--line)}.case-media{width:100%;aspect-ratio:2.7;object-fit:cover}.case-body{padding:22px 27px}.case-body h3{font-size:20px}.case-body p{font-size:14px;margin-bottom:0}.cta-inner{padding:40px;border-radius:16px;background:var(--accent-soft);display:flex;align-items:center;gap:45px;justify-content:space-between}.cta-inner>div{max-width:780px}.cta-inner h2{font-size:29px}.cta-inner p{margin-bottom:0;font-size:15px}.article-layout{display:grid;grid-template-columns:235px minmax(0,820px);gap:65px;align-items:start;justify-content:center}.article-toc{position:sticky;top:112px;font-size:13px;padding-right:12px}.article-toc h2,.article-toc h3{font-size:15px;letter-spacing:0}.article-toc a{display:block;color:var(--muted);padding:9px 0;line-height:1.65}.article-toc a:hover{color:var(--accent)}.article-body{max-width:820px;min-width:0}.article-body h1{font-size:clamp(29px,3vw,39px);line-height:1.5;margin-bottom:25px}.article-body h2{font-size:24px;line-height:1.5;margin:44px 0 16px}.article-body p{line-height:2.05;font-size:16px;margin-bottom:23px}.article-body .lead{font-size:18px;color:var(--text)}.article-body ul,.article-body ol{color:var(--muted);padding-left:24px}.article-body li{margin-bottom:11px}.article-body .article-back{font-size:13px;margin-bottom:28px;display:inline-block}.article-search{width:min(600px,100%);border:1px solid var(--line);border-radius:9px;background:var(--panel);color:var(--text);padding:14px 17px;min-height:52px;font-size:15px}.article-search::placeholder{color:var(--muted)}.article-list{display:grid;grid-template-columns:1fr 1fr;gap:25px}.article-item{padding:31px;border-radius:14px;border:1px solid var(--line);background:var(--panel);display:flex;flex-direction:column;align-items:start}.article-item h2,.article-item h3{font-size:22px;line-height:1.6;letter-spacing:-.02em}.article-item h2 a,.article-item h3 a{color:var(--text)}.article-item p{font-size:15px}.article-item .btn,.article-item .text-link{margin-top:auto}.article-item .tag{font-size:12px;color:var(--accent);margin-bottom:14px}.search-empty{padding:35px 0;color:var(--muted)}.page-top{margin-top:28px}.private-note{padding:20px;border:1px solid var(--line);border-radius:12px;background:var(--surface)}
@media(prefers-reduced-motion:no-preference){.intro-copy,.hero-art{animation:enter .65s ease-out both}.hero-art{animation-delay:.12s}.reveal{transition:opacity .55s ease,transform .55s ease}.reveal[data-reveal=pending]{opacity:0;transform:translateY(18px)}@keyframes enter{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}
@media(max-width:1199px){.container{width:calc(100% - 64px)}.nav{gap:18px}.nav-links{display:none;position:absolute;left:0;right:0;top:75px;background:var(--panel);border-bottom:1px solid var(--line);padding:25px 32px;white-space:normal;z-index:30}.nav-links.is-open{display:grid;grid-template-columns:1fr 1fr;gap:17px 30px}.nav-links>a:not(.btn){font-size:15px;padding:7px 0}.nav-toggle{display:block}.theme-toggle{margin-left:auto}.intro-grid{gap:30px}.intro-copy h1{font-size:40px}.hero-actions .btn{font-size:13px;padding:12px 16px}.services-composition{gap:22px}.service-compact,.domino-feature .service-copy{padding:28px}.contact-grid{gap:40px}.article-layout{gap:40px;grid-template-columns:205px minmax(0,1fr)}}
@media(max-width:767px){html{scroll-padding-top:89px}.container{width:calc(100% - 40px)}.site-header{height:66px}.nav{gap:10px}.logo{font-size:14px;gap:8px}.logo-mark{width:16px;height:16px}.nav-toggle{min-width:42px;min-height:40px;font-size:12px}.theme-toggle{font-size:11px;min-width:34px}.nav-links{top:65px;padding:18px 20px;gap:12px 20px}.nav-links>a:not(.btn){font-size:14px}.section{padding:58px 0}.home-intro{padding:42px 0 34px}.intro-grid,.services-composition,.case-panel,.about-layout,.contact-grid,.approach-heading{grid-template-columns:1fr;gap:29px}.intro-copy h1{font-size:clamp(30px,7.9vw,41px);line-height:1.45;margin-bottom:16px}.intro-copy .lead{font-size:15px;line-height:1.9;margin-bottom:22px}.eyebrow{font-size:12px;margin-bottom:16px}.hero-actions{gap:10px}.hero-actions .btn{padding:12px 16px;font-size:13px}.hero-art{aspect-ratio:1.7;border-radius:14px}.hero-art img{object-position:center 57%}.service-overview .container{grid-template-columns:1fr}.service-overview a,.service-overview a+a{padding:17px 0;border-left:0}.service-overview a+a{border-top:1px solid var(--line)}.service-overview small{display:inline;margin-left:12px;font-size:11px}.service-overview a{font-size:14px}.section-heading{margin-bottom:27px}.section-heading p,.lead{font-size:15px}.domino-feature .service-copy,.service-compact{padding:27px}.domino-feature h3{font-size:25px}.service-photo{height:186px}.service-compact h3{font-size:22px}.approach-heading{gap:8px}.approach-heading h2{margin-bottom:12px}.approach-heading>p{font-size:15px}.approach-points{grid-template-columns:1fr 1fr;gap:27px 22px;margin-top:28px}.approach-points h3{font-size:16px}.approach-points p{font-size:13px}.case-tabs{gap:8px;margin:21px 0}.case-tabs button{font-size:12px;padding:9px 13px}.case-panel{gap:24px}.case-panel h3{font-size:25px}.case-panel p{font-size:15px}.about-layout{gap:17px}.about-layout .about-copy{font-size:15px}.about-note{margin-top:18px;padding-left:20px}.articles-heading{align-items:start;flex-direction:column;gap:17px;margin-bottom:25px}.articles-heading h2{font-size:29px}.article-teasers,.feature-grid,.article-list{grid-template-columns:1fr}.article-teaser{padding:24px}.article-teaser h3{font-size:18px}.contact-section{padding:53px 0}.contact-grid{gap:30px}.contact-details{grid-template-columns:1fr 96px;gap:15px}.contact-details .phone{font-size:26px}.contact-qr img{width:96px;height:96px}.contact-details p{font-size:13px}.contact-details address{font-size:12px}.copy-email{margin-left:0}.footer-inner{flex-direction:column;gap:17px}.footer-links{white-space:normal;gap:15px;flex-wrap:wrap}.page-intro{padding:40px 0 35px}.page-intro h1{font-size:31px;line-height:1.5;margin-bottom:17px}.page-intro .lead{font-size:15px}.feature-card{padding:25px}.feature-grid>.feature-card:last-child:nth-child(odd){grid-column:auto}.service-details details{padding:17px 21px}.service-details summary{font-size:18px}.service-details ul{grid-template-columns:1fr;font-size:14px}.process{grid-template-columns:1fr 1fr;gap:28px 22px}.step strong{font-size:16px}.process .step{font-size:13px}.cases-grid{grid-template-columns:1fr;gap:24px}.cases-grid>.case:first-child{grid-row:auto}.cases-grid>.case:first-child .case-media,.case-media{aspect-ratio:1.75}.cta-inner{padding:28px;display:block}.cta-inner h2{font-size:25px}.cta-inner .btn{margin-top:24px}.article-layout{display:block}.article-toc{position:static;border-bottom:1px solid var(--line);padding-bottom:25px;margin-bottom:35px}.article-toc a{font-size:13px;padding:5px 0}.article-body h1{font-size:28px}.article-body h2{font-size:21px;margin-top:35px}.article-body p{font-size:15px}.article-body .lead{font-size:16px}.article-item{padding:25px}.article-item h2{font-size:20px}.section.article-section{padding-top:35px}}

/* Inner-page content conventions. */
.process{list-style:none;padding-left:0}.step-number{display:none}.process h3{font-size:18px;letter-spacing:0}.process p{font-size:14px;margin:0}.section-action{margin-top:30px}.article-category{font-size:12px;color:var(--accent);margin-bottom:15px}.article-search-controls{margin:27px 0 0}.article-search-controls>label{display:block;font-size:13px;color:var(--muted);margin-bottom:8px}#searchStatus{font-size:13px;color:var(--muted);margin-top:12px}.article-list+.search-empty{margin:0}.article-toc ol,.article-toc ul{padding-left:18px;margin:0}.article-toc li{padding-left:3px}.article-item .text-link{font-size:14px}.article-section>.container{max-width:1240px}@media(max-width:767px){.process h3{font-size:16px}.process p{font-size:13px}}

.article-toc ol{list-style:none;padding-left:0}.article-toc li{padding-left:0}