:root{--bg:#f7f7f5;--surface:#fff;--dark:#15191c;--text:#1f2328;--muted:#5c6570;--line:#e4e6e3;--primary:#2e4f5a;--accent:#b08d57;--shell:min(1200px,calc(100% - 96px));--footer:min(1040px,calc(100% - 96px))}*{box-sizing:border-box}html{scroll-behavior:smooth}body{min-height:100vh;margin:0;display:flex;flex-direction:column;background:var(--surface);color:var(--text);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;font-size:14px}a{color:inherit}.shell{width:var(--shell);margin:auto}.site-header{width:var(--shell);height:64px;margin:auto;display:grid;grid-template-columns:minmax(330px,1fr) auto;align-items:center;border-bottom:1px solid #eceeea;background:var(--surface)}.brand{display:flex;align-items:center;gap:12px;min-width:0;text-decoration:none}.brand-mark{position:relative;flex:none}.brand-mark img{display:block;width:30px;height:30px;border-radius:7px}.brand-mark sup{position:absolute;right:-10px;top:-6px;color:var(--accent);font-size:8px}.brand-name{min-width:0;display:flex;flex-direction:column;gap:2px}.brand-name strong{overflow:hidden;font-size:12px;line-height:16px;font-weight:600;text-overflow:ellipsis;white-space:nowrap}.brand-name small{overflow:hidden;color:#8b939b;font-size:7px;line-height:10px;letter-spacing:.2px;text-overflow:ellipsis;white-space:nowrap}.site-header nav{display:flex;gap:clamp(18px,2vw,28px);padding-right:2px}.site-header nav a{text-decoration:none;font-size:13px;line-height:20px;white-space:nowrap}main{display:block;padding:clamp(22px,3vw,42px) 0}.overview{min-height:clamp(350px,38vw,470px);position:relative;overflow:hidden;padding:clamp(34px,4vw,64px) clamp(28px,4vw,56px);display:flex;align-items:center;border:1px solid #e0e4e1;border-radius:10px;background:linear-gradient(145deg,#fbfbf9 0%,#f0f4f2 100%);box-shadow:0 1px 2px rgba(0,0,0,.04)}.overview:before,.overview:after{content:"";position:absolute;border:1px solid rgba(46,79,90,.09);border-radius:50%;pointer-events:none}.overview:before{width:520px;height:520px;right:-170px;top:-240px}.overview:after{width:330px;height:330px;left:-180px;bottom:-250px}.overview-intro{position:relative;z-index:1;max-width:680px}.kicker{margin:0 0 15px;color:var(--primary);font-size:10px;font-weight:700;letter-spacing:1.5px}.overview h1{margin:0;font-size:clamp(27px,2.4vw,34px);line-height:1.24;letter-spacing:-.8px;font-weight:600}.lead{max-width:620px;margin:17px 0 0;color:var(--muted);font-size:14px;line-height:23px}footer{margin-top:auto;background:var(--dark);color:#b7bec2}.footer-records{width:var(--footer);min-height:54px;margin:auto;padding:12px 0;display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:8px 24px;color:#858d92;font-size:10px}.footer-records span,.footer-records a{white-space:nowrap}.footer-records a{display:flex;align-items:center;text-decoration:none}.footer-records img{width:16px;height:16px;margin-right:5px}@media(max-width:1050px){:root{--shell:calc(100% - 64px);--footer:calc(100% - 64px)}.site-header{grid-template-columns:minmax(280px,1fr) auto}.site-header nav{gap:16px}.brand-name strong{font-size:11px}.brand-name small{font-size:6px}}@media(max-width:780px){:root{--shell:calc(100% - 40px);--footer:calc(100% - 40px)}.site-header{grid-template-columns:1fr}.site-header nav{display:none}.brand-name small{font-size:6px}main{padding:20px 0}.overview{min-height:clamp(300px,78vw,390px);padding:32px 24px}.overview h1{font-size:clamp(25px,7vw,29px)}.lead{font-size:13px;line-height:21px}.footer-records{min-height:0;padding:12px 0;gap:6px 14px;text-align:center;font-size:10px;line-height:17px}}
:root{--shell:calc(100% - clamp(40px,4vw,80px));--footer:var(--shell)}
body{min-height:100vh;min-height:100svh}
.site-header,.shell,.footer-records{width:var(--shell)}
main.shell{flex:1;display:flex;align-items:stretch;padding:clamp(18px,2.2vw,34px) 0}
main .overview{width:100%;min-height:0;flex:1}
footer{width:100%;flex:none}

@media(max-width:780px){
  :root{--shell:calc(100% - 32px)}
  main.shell{padding:16px 0}
  main .overview{min-height:clamp(300px,78vw,390px)}
}

/* V15: full-width fluid desktop alignment */
:root{--shell:calc(100% - clamp(40px,4vw,80px));--footer:var(--shell)}
body{min-height:100vh;min-height:100svh;display:grid;grid-template-rows:64px minmax(0,1fr) auto}
.site-header,.shell,.footer-records{width:var(--shell)}
.site-header{margin:0 auto}
main.shell{width:var(--shell);height:100%;min-height:0;display:flex;align-items:stretch;margin:0 auto;padding:0}
main .overview{width:100%;height:100%;min-height:0;flex:1 1 auto;border-radius:0}
footer{width:100%;flex:none}
@media(max-width:780px){:root{--shell:calc(100% - 32px)}main.shell{padding:0}main .overview{min-height:clamp(300px,78vw,390px)}}

/* V18: bilingual navigation and hero copy */
.site-header nav{align-items:center}
.site-header nav a{display:flex;flex-direction:column;align-items:center;gap:1px}
.site-header nav a span{font-size:12px;line-height:15px}
.site-header nav a small{color:#8b939b;font-size:6px;line-height:8px;letter-spacing:.45px}
.language-switch{height:28px;margin-left:2px;padding:0 9px;border:1px solid #dfe4e2;border-radius:5px;background:#fff;color:var(--primary);font:600 9px/1 "Noto Sans SC","PingFang SC",sans-serif;cursor:pointer}
.copy-en{display:none}
body.is-en .copy-zh{display:none}
body.is-en .copy-en{display:block}
body.is-en .site-header nav a .nav-en{order:1;color:var(--text);font-size:11px;line-height:15px;font-weight:500;letter-spacing:0}
body.is-en .site-header nav a .nav-zh{order:2;color:#8b939b;font-size:7px;line-height:8px;font-weight:400}
.copy-en h1{font-size:clamp(25px,2.2vw,34px);letter-spacing:-.5px}
.copy-en .lead{max-width:760px}
@media(max-width:900px){.site-header nav{gap:11px}.site-header nav a span{font-size:11px}.language-switch{padding:0 7px}}

/* V19: fluid typography for desktop and large displays */
:root{--header-height:clamp(64px,4vw,82px)}
body{grid-template-rows:var(--header-height) minmax(0,1fr) auto}
.site-header{height:var(--header-height)}
.brand{gap:clamp(12px,.8vw,17px)}
.brand-mark img{width:clamp(30px,1.8vw,42px);height:clamp(30px,1.8vw,42px)}
.brand-mark sup{right:clamp(-12px,-.5vw,-10px);font-size:clamp(8px,.42vw,10px)}
.brand-name strong{font-size:clamp(12px,.72vw,18px);line-height:1.35}
.brand-name small{font-size:clamp(7px,.36vw,9px);line-height:1.35}
.site-header nav{gap:clamp(18px,1.5vw,36px)}
.site-header nav a span{font-size:clamp(12px,.68vw,17px);line-height:1.25}
.site-header nav a small{font-size:clamp(6px,.34vw,9px);line-height:1.2}
.language-switch{height:clamp(28px,1.7vw,36px);padding:0 clamp(9px,.65vw,14px);font-size:clamp(9px,.46vw,11px)}
.kicker{font-size:clamp(10px,.52vw,13px)}
.overview h1,.copy-en h1{font-size:clamp(27px,2.05vw,52px);line-height:1.23}
.lead{max-width:min(820px,65vw);font-size:clamp(14px,.72vw,18px);line-height:1.65}
.footer-records{min-height:clamp(54px,3.2vw,68px);gap:clamp(14px,1.25vw,30px);font-size:clamp(10px,.5vw,13px)}
.footer-records img{width:clamp(16px,.78vw,20px);height:clamp(16px,.78vw,20px)}
@media(max-width:900px){:root{--header-height:64px}.overview h1,.copy-en h1{font-size:clamp(25px,7vw,29px)}.lead{font-size:13px}.footer-records{font-size:10px}}

/* V20: GEO content and integrated information-network visual */
.overview{isolation:isolate;background:linear-gradient(118deg,#fafaf7 0%,#f3f6f3 54%,#e8efed 100%)}
.overview:before,.overview:after{display:none}
.geo-network{position:absolute;z-index:0;inset:0;width:100%;height:100%;pointer-events:none}
.network-lines{fill:none;stroke:#2e4f5a;stroke-width:1.15;opacity:.14}
.network-nodes{fill:#f7f7f5;stroke:#2e4f5a;stroke-width:1.2;opacity:.28}
.network-accent{fill:none;stroke:#b08d57;stroke-width:2;stroke-linecap:round;opacity:.46}
.overview-intro{z-index:1;width:min(58%,940px);max-width:none;display:flex;flex-direction:column}
.kicker{order:0;margin-bottom:clamp(13px,1.2vw,22px)}
.language-copy{display:block}
.copy-zh{order:1}
.copy-en{order:2;margin-top:clamp(14px,1.4vw,26px)}
body.is-en .copy-zh{display:block;order:2;margin-top:clamp(14px,1.4vw,26px)}
body.is-en .copy-en{display:block;order:1;margin-top:0}
.language-copy h1{margin:0}
.copy-zh h1{font-size:clamp(27px,2.05vw,52px);line-height:1.23;color:var(--text)}
.copy-en h1{font-size:clamp(16px,1.18vw,29px);line-height:1.25;color:#677078;font-weight:500;letter-spacing:-.25px}
body.is-en .copy-en h1{font-size:clamp(27px,2.05vw,52px);color:var(--text);font-weight:600}
body.is-en .copy-zh h1{font-size:clamp(16px,1.18vw,29px);color:#677078;font-weight:500}
.language-copy .lead{margin-top:clamp(12px,1vw,18px);max-width:760px}
.copy-en .lead,body.is-en .copy-zh .lead{font-size:clamp(11px,.62vw,15px);line-height:1.6;color:#7e878d}
body.is-en .copy-en .lead{font-size:clamp(13px,.72vw,18px);line-height:1.65;color:var(--muted)}
.keywords{display:flex;align-items:center;flex-wrap:wrap;gap:clamp(7px,.65vw,13px);margin:clamp(13px,1.1vw,20px) 0 0;color:var(--primary);font-size:clamp(11px,.58vw,14px);line-height:1.5;font-weight:600}
.keywords i{width:3px;height:3px;border-radius:50%;background:var(--accent)}
.copy-en .keywords{color:#7b858a;font-size:clamp(9px,.48vw,12px);font-weight:500}
body.is-en .copy-en .keywords{color:var(--primary);font-size:clamp(11px,.58vw,14px);font-weight:600}
body.is-en .copy-zh .keywords{color:#7b858a;font-size:clamp(9px,.48vw,12px);font-weight:500}
@media(max-width:1024px){.overview-intro{width:72%}.geo-network{opacity:.58;transform:translateX(12%)}}
@media(max-width:768px){.overview{padding-inline:clamp(20px,6vw,34px);text-align:center}.overview-intro{width:100%;align-items:center}.language-copy .lead{max-width:620px}.keywords{justify-content:center}.geo-network{opacity:.18;transform:none}.network-accent{opacity:.25}}

/* V21: content-driven middle height and bilingual columns */
body{min-height:0;display:block}
.site-header{height:var(--header-height)}
main.shell{width:var(--shell);height:auto;min-height:0;display:block;margin:0 auto;padding:0}
main .overview{width:100%;height:auto;min-height:0;padding:clamp(42px,5vw,78px) clamp(28px,4vw,72px)}
.overview-intro{width:100%;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);grid-template-areas:"label label" "zh en";column-gap:clamp(36px,6vw,120px);row-gap:0;align-items:start}
.kicker{grid-area:label;margin-bottom:clamp(18px,2vw,30px)}
.copy-zh{grid-area:zh;margin:0}
.copy-en{grid-area:en;margin:0;padding-top:clamp(2px,.45vw,10px)}
body.is-en .copy-zh{grid-area:zh;margin:0;padding-top:clamp(2px,.45vw,10px)}
body.is-en .copy-en{grid-area:en;margin:0;padding-top:0}
.geo-network{opacity:.34}
@media(max-width:1024px){.overview-intro{width:100%;grid-template-columns:minmax(0,1fr) minmax(0,1fr);column-gap:clamp(24px,4vw,52px)}.geo-network{opacity:.18;transform:none}}
@media(max-width:768px){main .overview{padding:clamp(36px,8vw,54px) clamp(20px,6vw,34px)}.overview-intro{display:grid;grid-template-columns:1fr;grid-template-areas:"label" "zh" "en";row-gap:clamp(18px,4vw,28px);text-align:center}.kicker{margin-bottom:0}.copy-en,body.is-en .copy-zh{padding-top:0}.geo-network{opacity:.1}}

/* V22: six-screen responsive homepage */
.home-content{display:block}
.section-shell{width:var(--shell);margin:0 auto}
.hero-v22{min-height:calc(100svh - var(--header-height));display:flex;align-items:center;overflow:hidden;background:linear-gradient(118deg,#fafaf7 0%,#f1f5f2 55%,#e6eeeb 100%)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(360px,.85fr);gap:clamp(40px,6vw,120px);align-items:center;padding:clamp(54px,7vh,110px) 0}
.eyebrow,.section-heading>p{margin:0 0 clamp(14px,1.4vw,24px);color:var(--primary);font-size:clamp(10px,.52vw,13px);line-height:1.4;font-weight:700;letter-spacing:1.6px}
.hero-language h1,.hero-language h2{margin:0;font-size:clamp(30px,2.15vw,54px);line-height:1.24;letter-spacing:-.8px}
.hero-language p{max-width:900px;margin:clamp(17px,1.4vw,28px) 0 0;color:var(--muted);font-size:clamp(13px,.72vw,18px);line-height:1.75}
.hero-en{margin-top:clamp(22px,2vw,36px)}
.hero-en h1,.hero-en h2{color:#69737a;font-size:clamp(17px,1.18vw,30px);font-weight:500;letter-spacing:-.25px}
.hero-en p{color:#7f888e;font-size:clamp(11px,.59vw,15px);line-height:1.65}
body.is-en .hero-en{margin-top:0;order:initial}body.is-en .hero-en h1,body.is-en .hero-en h2{color:var(--text);font-size:clamp(30px,2.15vw,54px);font-weight:600}body.is-en .hero-en p{color:var(--muted);font-size:clamp(13px,.72vw,18px);line-height:1.75}body.is-en .hero-zh{margin-top:clamp(22px,2vw,36px)}body.is-en .hero-zh h1{color:#69737a;font-size:clamp(17px,1.18vw,30px);font-weight:500}body.is-en .hero-zh p{color:#7f888e;font-size:clamp(11px,.59vw,15px);line-height:1.65}.hero-copy{display:flex;flex-direction:column}body.is-en .hero-zh{order:3}body.is-en .hero-en{order:2}.eyebrow{order:1}.hero-zh{order:2}.hero-en{order:3}.hero-keywords{order:4;display:flex;gap:clamp(12px,2vw,34px);margin-top:clamp(24px,2.4vw,42px)}.hero-keywords span{display:flex;flex-direction:column;color:var(--primary);font-size:clamp(13px,.72vw,18px);font-weight:600}.hero-keywords small{margin-top:3px;color:#8a9296;font-size:clamp(8px,.42vw,11px);font-weight:400;letter-spacing:.25px}
.geo-route{position:relative;display:grid;gap:clamp(10px,1.2vw,20px);padding:clamp(28px,3vw,54px);border:1px solid rgba(46,79,90,.15);border-radius:14px;background:rgba(255,255,255,.45);box-shadow:0 18px 60px rgba(46,79,90,.06)}.route-line{position:absolute;left:calc(clamp(28px,3vw,54px) + 16px);top:15%;bottom:15%;width:1px;background:linear-gradient(#b08d57,#2e4f5a)}.route-node{position:relative;display:grid;grid-template-columns:34px 1fr;column-gap:clamp(12px,1vw,20px);align-items:center;min-height:clamp(62px,5vw,90px);padding:clamp(12px,1.2vw,20px);border-bottom:1px solid rgba(46,79,90,.1)}.route-node:last-child{border:0}.route-node b{z-index:1;display:grid;width:32px;height:32px;place-items:center;border-radius:50%;background:var(--primary);color:white;font-size:10px}.route-node strong{font-size:clamp(14px,.82vw,20px)}.route-node small{grid-column:2;color:#7c858a;font-size:clamp(9px,.5vw,13px);line-height:1.4}
.page-section{padding:clamp(70px,7vw,130px) 0}.page-section:nth-of-type(odd){background:#f5f6f3}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:clamp(36px,4vw,72px)}.section-heading>p{margin:0}.section-heading h2{margin:0;font-size:clamp(27px,2vw,48px);line-height:1.22}.section-heading h2 span,.section-heading h2 small{display:block}.section-heading h2 small{margin-top:6px;color:#7c858a;font-size:clamp(11px,.65vw,16px);font-weight:400;letter-spacing:.15px}
.three-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(18px,2vw,36px)}.info-block{min-height:clamp(280px,20vw,390px);padding:clamp(24px,2.2vw,42px);border-top:2px solid var(--primary);background:#fff}.info-block>b,.service-block>b,.outcomes-grid article>b{color:var(--accent);font-size:clamp(11px,.58vw,14px)}.info-block h3,.service-block h3,.outcomes-grid h3{margin:clamp(28px,2.4vw,46px) 0 0;font-size:clamp(17px,1.08vw,25px);line-height:1.4}.info-block h3 small,.service-block h3 small,.outcomes-grid h3 small{display:block;margin-top:6px;color:#7c858a;font-size:clamp(9px,.5vw,13px);font-weight:400}.info-block p,.service-block p,.outcomes-grid p{margin:clamp(16px,1.3vw,24px) 0 0;color:var(--muted);font-size:clamp(13px,.69vw,17px);line-height:1.75}.en-text{color:#899196!important;font-size:clamp(10px,.53vw,13px)!important;line-height:1.65!important}
.services-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid var(--line);border-left:1px solid var(--line)}.service-block{display:grid;grid-template-columns:auto 1fr;gap:clamp(22px,2vw,38px);padding:clamp(28px,2.8vw,54px);border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.service-block h3{margin:0}
.process-section{background:var(--dark)!important;color:#fff}.process-section .section-heading>p{color:#d0ad76}.process-section .section-heading h2 small{color:#98a0a5}.process-grid{position:relative;display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:clamp(14px,1.4vw,26px);margin:0;padding:0;list-style:none}.process-grid:before{content:"";position:absolute;top:18px;left:3%;right:3%;height:1px;background:#40474c}.process-grid li{position:relative;padding-top:clamp(48px,4vw,72px)}.process-grid li>b{position:absolute;top:0;display:grid;width:36px;height:36px;place-items:center;border:1px solid #5a6267;border-radius:50%;background:var(--dark);color:#d0ad76;font-size:10px}.process-grid strong,.process-grid small{display:block}.process-grid strong{font-size:clamp(14px,.82vw,20px);line-height:1.5}.process-grid small{margin-top:9px;color:#99a1a6;font-size:clamp(9px,.5vw,13px);line-height:1.5}
.outcomes-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(14px,1.4vw,26px)}.outcomes-grid article{padding:clamp(24px,2.2vw,42px);border:1px solid var(--line);border-radius:10px;background:#fff}.outcomes-grid h3{margin-top:clamp(24px,2vw,38px)}
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px clamp(18px,2vw,36px)}.faq-grid details{border-top:1px solid var(--line);background:#fff}.faq-grid summary{display:flex;min-height:clamp(74px,5vw,94px);align-items:center;padding:clamp(18px,1.6vw,30px);cursor:pointer;list-style:none}.faq-grid summary::-webkit-details-marker{display:none}.faq-grid summary:after{content:"+";margin-left:auto;color:var(--primary);font-size:22px}.faq-grid details[open] summary:after{content:"−"}.faq-grid summary span{font-size:clamp(15px,.88vw,21px);font-weight:600}.faq-grid summary small{display:block;margin-top:4px;color:#7f888e;font-size:clamp(9px,.5vw,12px);font-weight:400}.faq-grid details>p{margin:0;padding:0 clamp(18px,1.6vw,30px) clamp(16px,1.4vw,26px);color:var(--muted);font-size:clamp(12px,.65vw,16px);line-height:1.7}
@media(max-width:1200px){.hero-grid{grid-template-columns:1fr 430px}.process-grid{grid-template-columns:repeat(3,1fr);row-gap:40px}.process-grid:before{display:none}}
@media(max-width:1024px){.hero-v22{min-height:auto}.hero-grid{grid-template-columns:1fr;padding:clamp(64px,8vw,92px) 0}.geo-route{grid-template-columns:repeat(2,1fr)}.route-line{display:none}.three-grid{grid-template-columns:1fr}.info-block{min-height:0}.outcomes-grid{grid-template-columns:repeat(2,1fr)}.section-heading{align-items:start;flex-direction:column}.page-section{padding:clamp(60px,8vw,90px) 0}}
@media(max-width:768px){.hero-copy{text-align:center}.hero-language h1,body.is-en .hero-en h2{font-size:clamp(27px,8vw,36px)}.hero-keywords{justify-content:center}.geo-route{grid-template-columns:1fr}.services-grid,.process-grid,.outcomes-grid,.faq-grid{grid-template-columns:1fr}.service-block{grid-template-columns:1fr}.page-section{padding:clamp(52px,12vw,76px) 0}.section-heading{margin-bottom:34px}.section-heading h2{font-size:clamp(25px,7vw,34px)}}

/* V23: compact, content-led spacing */
.hero-v22{min-height:0;display:block}
.hero-grid{gap:clamp(28px,4vw,72px);padding:clamp(38px,4.2vw,72px) 0}
.hero-en{margin-top:clamp(14px,1.25vw,24px)}
.hero-keywords{margin-top:clamp(18px,1.7vw,30px)}
.geo-route{gap:4px;padding:clamp(20px,2vw,34px)}
.route-node{min-height:clamp(52px,4vw,72px);padding:clamp(9px,.8vw,14px)}
.page-section{padding:clamp(44px,4.2vw,76px) 0}
.section-heading{display:block;margin-bottom:clamp(26px,2.6vw,46px)}
.section-heading>p{margin:0 0 clamp(8px,.65vw,13px)}
.section-heading h2 small{margin-top:4px}
.three-grid{gap:clamp(14px,1.4vw,24px)}
.info-block{min-height:0;display:grid;grid-template-columns:auto minmax(0,1fr);column-gap:clamp(12px,1vw,18px);align-content:start;padding:clamp(22px,1.8vw,34px)}
.info-block>b{margin-top:3px}
.info-block h3{margin:0}
.info-block>p{grid-column:2;margin-top:clamp(10px,.85vw,16px)}
.services-grid{gap:0}
.service-block{gap:clamp(14px,1.2vw,24px);padding:clamp(22px,2vw,36px)}
.process-grid li{padding-top:clamp(44px,3.2vw,58px)}
.outcomes-grid{gap:clamp(12px,1.2vw,20px)}
.outcomes-grid article{display:grid;grid-template-columns:auto minmax(0,1fr);column-gap:clamp(12px,1vw,18px);align-content:start;padding:clamp(22px,1.8vw,34px)}
.outcomes-grid article>b{margin-top:3px}
.outcomes-grid h3{margin:0}
.outcomes-grid article>p{grid-column:2;margin-top:clamp(10px,.85vw,16px)}
.faq-grid summary{min-height:clamp(62px,4vw,78px)}
@media(max-width:1024px){.hero-grid{padding:clamp(38px,5vw,58px) 0}.page-section{padding:clamp(40px,5vw,62px) 0}.info-block{min-height:0}}
@media(max-width:768px){.hero-grid{padding:36px 0}.page-section{padding:clamp(36px,9vw,54px) 0}.section-heading{margin-bottom:26px}.info-block,.outcomes-grid article{grid-template-columns:auto minmax(0,1fr)}.service-block{grid-template-columns:auto minmax(0,1fr)}}

/* V24: unified numbering, lighter process, tighter rhythm */
.section-shell{width:calc(100% - clamp(64px,8vw,160px))}
.hero-grid{gap:clamp(24px,3vw,56px);padding:clamp(24px,2.8vw,46px) 0}
.hero-language p{margin-top:clamp(10px,.75vw,15px);line-height:1.58}
.hero-en{margin-top:clamp(10px,.8vw,16px)}
.hero-en p{line-height:1.5}
.hero-keywords{margin-top:clamp(12px,1vw,19px)}
.geo-route{padding:clamp(14px,1.4vw,24px)}
.route-node{min-height:clamp(46px,3.4vw,62px);padding:clamp(7px,.6vw,11px)}
.page-section{padding:clamp(28px,3vw,52px) 0}
.section-heading{margin-bottom:clamp(16px,1.7vw,28px)}
.section-heading>p{margin-bottom:6px}
.info-block,.service-block,.outcomes-grid article{padding:clamp(18px,1.45vw,28px)}
.info-block>p,.service-block p,.outcomes-grid article>p{margin-top:clamp(7px,.55vw,11px);line-height:1.58}
.info-block h3 small,.service-block h3 small,.outcomes-grid h3 small{margin-top:3px}
.en-text{line-height:1.5!important}
.process-section{background:#f1f4f1!important;color:var(--text)}
.process-section .section-heading>p{color:var(--primary)}
.process-section .section-heading h2 small{color:#7c858a}
.process-grid{gap:clamp(12px,1vw,18px)}
.process-grid:before{display:none}
.process-grid li{display:grid;grid-template-columns:auto minmax(0,1fr);column-gap:clamp(10px,.8vw,15px);align-content:start;padding-top:0}
.process-grid li>b{position:static;width:28px;height:28px;border:0;background:var(--primary);color:#fff}
.process-grid li>strong{grid-column:2;align-self:center}
.process-grid li>small{grid-column:2;margin-top:5px;color:#7c858a}
.faq-grid{counter-reset:faq}
.faq-grid details{counter-increment:faq}
.faq-grid summary{min-height:clamp(54px,3.5vw,68px);padding:clamp(13px,1vw,19px)}
.faq-grid summary:before{content:counter(faq,decimal-leading-zero);margin-right:clamp(10px,.8vw,15px);color:var(--accent);font-size:11px;font-weight:700}
.faq-grid details>p{padding-left:clamp(40px,3vw,58px);padding-bottom:clamp(11px,.8vw,16px)}
@media(max-width:1024px){.section-shell{width:calc(100% - clamp(48px,7vw,88px))}.hero-grid{padding:30px 0}.page-section{padding:clamp(28px,4vw,44px) 0}}
@media(max-width:768px){.section-shell{width:calc(100% - 32px)}.hero-grid{padding:26px 0}.page-section{padding:30px 0}.section-heading{margin-bottom:20px}.process-grid li{grid-template-columns:28px minmax(0,1fr)}}

/* V25: alternating section backgrounds */
.change-section{background:#fff!important}
.services-section{background:#f3f5f2!important}
.process-section{background:#fff!important}
.outcomes-section{background:#f3f5f2!important}
.faq-section{background:#fff!important}

/* V26: first-level dropdown navigation */
.site-header{position:relative;z-index:100}
.site-header nav{height:100%;align-items:stretch;gap:clamp(12px,1.15vw,27px)}
.site-header nav>.home-link,.nav-item{height:100%;display:flex;align-items:center}
.nav-trigger{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:0;border:0;background:transparent;color:var(--text);font-family:inherit;cursor:pointer;white-space:nowrap}
.nav-trigger .nav-zh{font-size:clamp(12px,.68vw,17px);line-height:1.25}
.nav-trigger .nav-en{color:#8b939b;font-size:clamp(6px,.34vw,9px);line-height:1.2;letter-spacing:.45px}
.nav-item{position:relative}
.submenu{position:absolute;top:calc(100% - 1px);left:50%;width:clamp(220px,15vw,280px);padding:8px;transform:translate(-50%,8px);border:1px solid #e2e6e3;border-radius:8px;background:rgba(255,255,255,.98);box-shadow:0 16px 40px rgba(31,35,40,.11);opacity:0;visibility:hidden;pointer-events:none;transition:opacity .16s ease,transform .16s ease,visibility .16s ease}
.submenu-right{left:auto;right:0;transform:translateY(8px)}
.nav-item:hover .submenu,.nav-item:focus-within .submenu{transform:translate(-50%,0);opacity:1;visibility:visible;pointer-events:auto}
.nav-item:hover .submenu-right,.nav-item:focus-within .submenu-right{transform:translateY(0)}
.submenu button{position:relative;width:100%;min-height:48px;padding:8px 12px;border:0;border-radius:5px;background:transparent;color:var(--text);text-align:left;font-family:inherit;cursor:pointer}
.submenu button:hover,.submenu button:focus-visible{background:#f1f4f1;outline:0}
.submenu button span,.submenu button small{display:block;padding-right:46px}
.submenu button span{font-size:13px;line-height:18px;font-weight:500}
.submenu button small{margin-top:2px;color:#8a9296;font-size:9px;line-height:13px}
.submenu button em{position:absolute;right:10px;top:50%;padding:2px 5px;transform:translateY(-50%);border-radius:3px;background:#edf0ee;color:#929a96;font-size:9px;font-style:normal}
.submenu .is-planned{cursor:default;opacity:.65}
.submenu button.is-active{background:#e8eeea;color:var(--primary)}
.nav-item.is-menu-closed .submenu{transform:translate(-50%,8px)!important;opacity:0!important;visibility:hidden!important;pointer-events:none!important}
.nav-item.is-menu-closed .submenu-right{transform:translateY(8px)!important}
body.is-en .nav-trigger .nav-en{order:1;color:var(--text);font-size:clamp(11px,.62vw,16px);font-weight:500;letter-spacing:0}
body.is-en .nav-trigger .nav-zh{order:2;color:#8b939b;font-size:7px;font-weight:400}
body.is-en .submenu button span{color:#8a9296;font-size:9px;font-weight:400}
body.is-en .submenu button small{margin-top:0;color:var(--text);font-size:13px;line-height:18px;font-weight:500}
@media(max-width:1200px){.site-header nav{gap:10px}.nav-trigger .nav-zh,.site-header nav a span{font-size:11px}.language-switch{margin-left:0}}

/* V27: align home and language controls with dropdown triggers */
.site-header nav>.home-link{justify-content:center}
.site-header nav>.language-switch{align-self:center}

/* V28: submenu detail pages and final homepage rhythm */
.home-content[hidden],.detail-view[hidden]{display:none!important}
.faq-section{padding-bottom:clamp(16px,1.7vw,30px)!important}
.detail-view{min-height:calc(100svh - var(--header-height));background:#f6f7f4}
.detail-view[hidden]{display:none}
.detail-shell{width:calc(100% - clamp(64px,8vw,160px));max-width:1500px;margin:0 auto;padding:clamp(26px,2.8vw,48px) 0 clamp(42px,4vw,72px)}
.detail-breadcrumb{display:flex;align-items:center;gap:9px;margin:0 0 clamp(20px,1.8vw,30px);color:#8a9296;font-size:clamp(11px,.58vw,14px);line-height:1.5}
.detail-breadcrumb button{padding:0;border:0;background:transparent;color:var(--primary);font:600 inherit;cursor:pointer}
.detail-breadcrumb button:hover{color:var(--accent)}
.detail-breadcrumb strong{color:var(--text);font-weight:600}
.detail-hero{padding:clamp(30px,3vw,54px);border:1px solid rgba(46,79,90,.12);border-radius:12px;background:linear-gradient(120deg,#fff 0%,#f0f4f1 100%)}
.detail-category{margin:0 0 clamp(10px,.8vw,15px);color:var(--primary);font-size:clamp(10px,.52vw,13px);font-weight:700;letter-spacing:1.4px}
.detail-hero h1,.detail-hero h2{margin:0;font-size:clamp(30px,2.2vw,52px);line-height:1.2;letter-spacing:-.5px}
.detail-subtitle{margin:clamp(10px,.9vw,16px) 0 0;color:var(--primary);font-size:clamp(17px,1.05vw,25px);line-height:1.5;font-weight:600}
.detail-intro{max-width:1050px;margin:clamp(16px,1.3vw,24px) 0 0;color:var(--muted);font-size:clamp(13px,.72vw,17px);line-height:1.8}
.detail-status{display:inline-flex;margin-top:clamp(16px,1.2vw,22px);padding:5px 10px;border-radius:999px;background:#e7ece8;color:var(--primary);font-size:clamp(10px,.5vw,12px);font-weight:600}
.detail-sections{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(14px,1.4vw,24px);margin-top:clamp(18px,1.8vw,30px)}
.detail-section{padding:clamp(22px,2vw,38px);border:1px solid var(--line);border-radius:10px;background:#fff}
.detail-section header{display:flex;align-items:center;gap:clamp(10px,.8vw,15px);padding-bottom:clamp(14px,1.1vw,20px);border-bottom:1px solid var(--line)}
.detail-section header b{color:var(--accent);font-size:clamp(10px,.52vw,13px)}
.detail-section h2{margin:0;font-size:clamp(18px,1.08vw,26px);line-height:1.35}
.detail-list{display:grid;gap:clamp(10px,.8vw,15px);padding-top:clamp(14px,1.1vw,20px)}
.detail-list article{display:grid;grid-template-columns:6px minmax(0,1fr);gap:12px;align-items:start}
.detail-list article span{width:5px;height:5px;margin-top:.7em;border-radius:50%;background:var(--accent)}
.detail-list p{margin:0;color:var(--muted);font-size:clamp(13px,.68vw,16px);line-height:1.7}
@media(max-width:1024px){.detail-sections{grid-template-columns:1fr}.detail-shell{width:calc(100% - clamp(48px,7vw,88px))}}
@media(max-width:768px){.detail-shell{width:calc(100% - 32px);padding-top:22px}.detail-hero{padding:24px 20px}.detail-section{padding:22px 18px}.detail-subtitle{font-size:17px}}