:root{--yellow:#FFD900;--paper:#fffef8;--white:#fff;--ink:#191919;--muted:#62605a;--line:#e5e1d7;--sans:"PingFang SC","Microsoft YaHei",sans-serif;--display:"Songti SC","STSong",serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:105px}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.8 var(--sans)}a{color:inherit;text-decoration:none}img{display:block;max-width:100%;height:auto}button{font:inherit;cursor:pointer}p{margin:0 0 1em}h1,h2,h3{line-height:1.3;margin:0 0 .6em;overflow-wrap:anywhere}h1{font-size:clamp(36px,5vw,68px);letter-spacing:-.04em}h2{font-size:clamp(28px,3.3vw,46px);font-weight:600;letter-spacing:-.025em}h3{font-size:24px}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--ink);outline-offset:5px}.wrap{width:min(1440px,calc(100% - 96px));margin:auto}.skip{position:absolute;top:-60px;left:20px;z-index:100;background:var(--yellow);padding:10px}.skip:focus{top:10px}
.header{position:sticky;top:0;z-index:30;background:rgba(255,254,248,.97);border-bottom:1px solid var(--line)}.header-row{min-height:94px;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{display:flex;align-items:center;gap:20px;flex-shrink:0}.brand img{width:140px;height:auto}.brand span{border-left:1px solid var(--line);padding-left:20px;font-size:15px;font-weight:600}.nav{display:flex;gap:28px;align-items:center;font-size:15px}.nav a:hover{text-decoration:underline;text-underline-offset:6px}.nav .nav-cta{background:var(--ink);color:white;padding:10px 20px;border-radius:4px}.menu-toggle{display:none;background:none;border:1px solid var(--line);border-radius:4px;padding:6px 13px;min-height:44px}
.eyebrow{font-size:13px;font-weight:700;letter-spacing:.16em;margin-bottom:24px}.eyebrow:before{content:"";display:inline-block;width:10px;height:10px;background:var(--yellow);margin-right:10px}.hero{padding:48px 0 0}.hero-top{display:grid;grid-template-columns:1.02fr 1fr;align-items:end;gap:8%;padding-bottom:36px}.hero h1{font-size:clamp(34px,4.6vw,66px);margin-bottom:14px}.hero .statement{font-family:var(--display);font-size:clamp(34px,4.8vw,70px);line-height:1.22;font-weight:700;letter-spacing:-.04em;margin:0}.hero .lead{max-width:36em;color:var(--muted);font-size:18px;margin-bottom:22px}.actions{display:flex;gap:14px;flex-wrap:wrap;align-items:center}.button{display:inline-flex;justify-content:center;align-items:center;gap:18px;background:var(--yellow);border:1px solid var(--yellow);border-radius:4px;padding:12px 22px;font-weight:700;min-height:48px}.button:after{content:"↗"}.button.alt{background:transparent;border-color:var(--line)}.button:hover{filter:brightness(.96)}
.hero-visual{margin:0;position:relative;overflow:hidden;border-radius:6px;background:#eee9db}.hero-visual>.photo{width:100%;aspect-ratio:2.45;object-fit:cover;object-position:center 57%}.hero-visual .image-brand{position:absolute;left:3%;bottom:14%;width:28.2%;height:auto;max-width:360px}.hero-visual figcaption{position:absolute;bottom:12px;right:16px;color:#333;font-size:11px;background:#fffdf1dc;padding:3px 8px;border-radius:3px}.scope-strip{display:flex;justify-content:space-between;gap:24px;border-bottom:1px solid var(--line);padding:22px 0;color:var(--muted);font-size:14px}.scope-strip strong{color:var(--ink);font-weight:600}
.section{padding:90px 0}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:40px;margin-bottom:32px}.section-heading h2{margin:0}.section-heading p{margin:0;max-width:34em;color:var(--muted)}.text-link{font-weight:600;display:inline-block;border-bottom:1px solid currentColor;padding:3px 0;font-size:15px}.services{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.service-card{padding:30px 26px 32px 0;display:flex;flex-direction:column;align-items:start;min-width:0}.service-card+.service-card{border-left:1px solid var(--line);padding-left:26px}.service-card h3{font-size:23px}.service-card p{color:var(--muted);font-size:15px}.service-card .text-link{margin-top:auto}.service-symbol{width:48px;height:48px;display:flex;align-items:center;justify-content:center;background:var(--yellow);margin-bottom:28px;border-radius:4px}.service-symbol svg{width:28px;height:28px}
.case-section{background:#f1eee4}.case-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px 24px}.case-card{min-width:0;background:var(--paper);display:flex;flex-direction:column}.case-card>a{display:block;overflow:hidden}.case-card .case-photo{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .4s ease}.case-card>a:hover .case-photo{transform:scale(1.035)}.case-body{display:flex;flex:1;flex-direction:column;align-items:start;padding:24px}.case-body .label{font-size:12px;color:var(--muted);margin-bottom:8px}.case-body h3{font-size:27px;font-family:var(--display)}.case-body p{width:100%;max-width:none;font-size:15px;line-height:1.8;color:var(--muted)}.case-body .scope{font-size:12px;font-weight:600;color:var(--ink);padding:10px 0 18px;margin-top:auto}.case-body .text-link{font-size:14px}
.work-split{display:grid;grid-template-columns:1fr 1.2fr;gap:10%}.work-intro p{max-width:31em;color:var(--muted)}.steps{list-style:none;padding:0;margin:0;counter-reset:step}.steps li{display:grid;grid-template-columns:40px 1fr;gap:18px;padding:24px 0;border-top:1px solid var(--line);counter-increment:step}.steps li:before{content:"0" counter(step);font-size:13px;padding-top:5px;color:var(--muted)}.steps h3{font-size:22px;margin:0 0 10px}.steps p{margin:0;color:var(--muted)}.offer-box{background:var(--yellow);padding:30px;margin-top:28px}.offer-box p{color:var(--ink);margin:0}.offer-box h3{font-size:23px}
.guide-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.guide-card{border-top:1px solid var(--line);padding:24px 0;display:grid;grid-template-columns:140px 1fr;gap:24px;align-items:start}.guide-card img{width:140px;aspect-ratio:4/3;object-fit:cover;border-radius:3px}.guide-card h3{font-size:21px;line-height:1.5}.guide-card p{font-size:14px;color:var(--muted)}.faq{display:grid;grid-template-columns:.75fr 1.25fr;gap:10%}.faq details{padding:22px 0;border-bottom:1px solid var(--line)}.faq details:first-child{border-top:1px solid var(--line)}summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:20px;font-weight:600;font-size:18px;line-height:1.65}summary::-webkit-details-marker{display:none}summary:after{content:"+";font-weight:400}details[open]>summary:after{content:"−"}.faq p{font-size:15px;color:var(--muted);margin:16px 0 0;max-width:none}
.related{background:#f1eee4}.related-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}.related-card{background:var(--paper);padding:26px;min-width:0}.related-card h3{font-size:21px}.related-card p{color:var(--muted);font-size:14px;margin-bottom:20px}.cta{background:var(--yellow);padding:58px 0}.cta-row{display:flex;justify-content:space-between;align-items:center;gap:40px}.cta h2{font-size:clamp(28px,3vw,43px);margin-bottom:12px}.cta p{margin:0}.cta .button{background:var(--ink);color:var(--white);border-color:var(--ink);flex-shrink:0}.footer{padding:58px 0 100px;background:var(--ink);color:var(--white)}.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:50px}.footer h3{font-size:18px}.footer p,.footer a{font-size:14px;color:#d8d6cc}.footer-links{display:flex;gap:8px 20px;flex-wrap:wrap}.footer-bottom{border-top:1px solid #42423d;margin-top:35px;padding-top:22px;font-size:12px;color:#b9b6ab}.wechat{position:fixed;bottom:20px;right:20px;z-index:60;display:flex;align-items:center;gap:7px;background:var(--yellow);color:var(--ink);padding:9px 13px;border:1px solid #b39e0050;border-radius:7px;font-size:14px;font-weight:700;min-height:44px;box-shadow:0 4px 18px #0001}.wechat svg{width:20px;height:20px}
.breadcrumb{padding:24px 0;font-size:13px;color:var(--muted);display:flex;gap:8px;flex-wrap:wrap}.page-head{padding:36px 0 48px;max-width:1100px}.page-head h1{font-family:var(--display);max-width:18em}.page-head .intro{font-size:19px;color:var(--muted);max-width:48em}.page-meta{font-size:13px;color:var(--muted);margin-top:20px}.page-visual{width:100%;max-height:460px;object-fit:contain;background:#f1eee4}.content-layout{display:grid;grid-template-columns:235px minmax(0,850px);justify-content:space-between;gap:50px;padding:50px 0 75px}.toc{position:sticky;top:124px;align-self:start;border-top:2px solid var(--ink);padding-top:18px;font-size:14px}.toc a{display:block;padding:8px 0;color:var(--muted)}.toc a:hover{color:var(--ink)}.article section{padding-bottom:30px;margin-bottom:26px;border-bottom:1px solid var(--line)}.article h2{font-size:30px}.article p{font-size:17px;line-height:1.95;color:#494843}.article li{margin:8px 0}.article .faq{display:block}.article .faq h2{margin-top:30px}.delivery-list{padding-left:1.25em}.resource-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 40px}.resource-list a{display:block;padding:20px 0;border-bottom:1px solid var(--line)}.resource-list span{display:block;font-size:12px;color:var(--muted);margin-bottom:6px}.contact-grid{display:grid;grid-template-columns:1fr 260px;gap:60px;align-items:start}.contact-grid .qr{padding:24px;background:white;border:1px solid var(--line);text-align:center}.qr img{width:210px;margin:auto}.qr p{font-size:13px;margin:12px 0 0}.about-points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;margin-top:30px}.about-points div{border-top:1px solid var(--line);padding-top:24px}.about-points h3{font-size:22px}.about-points p{font-size:15px;color:var(--muted)}
@media(min-width:1600px){.hero-visual>.photo{aspect-ratio:2.7}}
@media(max-width:1100px){.wrap{width:calc(100% - 56px)}.brand span{display:none}.nav{gap:18px}.services{grid-template-columns:repeat(2,minmax(0,1fr))}.service-card:nth-child(3){border-left:0;padding-left:0;border-top:1px solid var(--line)}.service-card:nth-child(4){border-top:1px solid var(--line)}.case-grid{gap:20px}.case-body{padding:20px}.case-body h3{font-size:24px}.guide-card{grid-template-columns:100px 1fr;gap:16px}.guide-card img{width:100px}.related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.hero-top{gap:40px}.hero .lead{font-size:16px}.content-layout{grid-template-columns:190px minmax(0,1fr);gap:40px}}
@media(max-width:760px){.wrap{width:calc(100% - 40px)}.header-row{min-height:76px;gap:15px}.brand img{width:122px}.brand span{display:block;font-size:12px;padding-left:12px}.brand{gap:12px}.menu-toggle{display:block}.nav{display:none;position:absolute;left:0;right:0;top:76px;padding:20px;background:var(--paper);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:0}.nav.is-open{display:flex}.nav a{padding:12px}.nav .nav-cta{margin-top:10px}.hero{padding-top:32px}.hero-top{grid-template-columns:1fr;gap:22px;padding-bottom:26px}.hero h1{font-size:31px;margin-bottom:14px}.hero .statement{font-size:44px;line-height:1.25}.eyebrow{margin-bottom:15px;font-size:11px}.hero .lead{font-size:16px;line-height:1.9}.hero-visual>.photo{aspect-ratio:1.32;object-position:60% center}.hero-visual .image-brand{width:35%;bottom:14%;left:4%}.hero-visual figcaption{font-size:9px;bottom:8px;right:8px}.scope-strip{display:grid;grid-template-columns:1fr 1fr;gap:12px;font-size:12px;padding:20px 0}.scope-strip span:last-child{grid-column:1/-1}.section{padding:56px 0}.section-heading{align-items:start;flex-direction:column;gap:15px;margin-bottom:25px}.section-heading p{font-size:15px}.service-card{padding:24px 18px 24px 0}.service-card+.service-card{padding-left:18px}.service-card:nth-child(3){padding-left:0}.service-card h3{font-size:20px}.service-symbol{margin-bottom:20px}.service-card p{font-size:14px}.case-grid{grid-template-columns:1fr;gap:24px}.case-body{padding:23px}.case-body h3{font-size:29px}.case-body .scope{padding-top:3px}.case-card .case-photo{aspect-ratio:4/3}.work-split,.faq{grid-template-columns:1fr;gap:28px}.work-intro p{max-width:none}.offer-box{margin-top:20px;padding:24px}.steps li{grid-template-columns:28px 1fr;gap:12px}.guide-grid{grid-template-columns:1fr;gap:0}.guide-card{grid-template-columns:100px 1fr}.guide-card h3{font-size:19px}.related-grid{gap:12px}.related-card{padding:20px}.related-card h3{font-size:19px}.related-card p{font-size:13px}.cta{padding:40px 0}.cta-row{flex-direction:column;align-items:start;gap:24px}.footer-grid{grid-template-columns:1fr;gap:24px}.footer{padding-top:40px}.footer-bottom{line-height:2}.wechat{right:12px;bottom:calc(12px + env(safe-area-inset-bottom));font-size:13px;padding:9px 11px}.breadcrumb{font-size:12px;padding:18px 0}.page-head{padding:24px 0 32px}.page-head h1{font-size:35px;line-height:1.4}.page-head .intro{font-size:17px}.content-layout{grid-template-columns:1fr;gap:25px;padding-top:28px}.toc{position:static;display:flex;flex-wrap:wrap;gap:6px 18px;font-size:12px}.toc strong{width:100%}.toc a{padding:4px 0}.article h2{font-size:25px}.article p{font-size:16px}.resource-list{grid-template-columns:1fr}.contact-grid{grid-template-columns:1fr;gap:28px}.contact-grid .qr{max-width:260px}.about-points{grid-template-columns:1fr}.button{font-size:14px;padding:11px 18px}.hero-visual .image-brand{min-width:110px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}