:root{--bg:#fff;--ink:#080a07;--soft:#f4f4f4;--line:#dededb;--green:#d0ff71;--radius:26px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:105px}body{margin:0;background:var(--bg);color:var(--ink);font-family:Arial,'Helvetica Neue','Microsoft YaHei',sans-serif;font-size:16px;letter-spacing:-.045em;line-height:1.45}body.dark{--bg:#111310;--ink:#fafcf6;--soft:#20231e;--line:#363930}body.locked{overflow:hidden}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit;letter-spacing:inherit}button{color:inherit;cursor:pointer}button:disabled{opacity:.35;cursor:default}img{display:block;max-width:100%;object-fit:cover}h1,h2,h3,p{margin:0;font-weight:400}h1,h2,h3{line-height:1.03;letter-spacing:-.058em}h1{font-size:clamp(48px,5.35vw,88px)}h2{font-size:clamp(34px,3.6vw,58px)}h3{font-size:30px}p{letter-spacing:-.025em}button,a,input,textarea,select{outline-offset:6px}a:focus-visible,button:focus-visible{outline:2px solid #729836}.wrap{width:calc(100% - 9.3vw);max-width:1720px;margin:auto}.section{padding-top:100px;padding-bottom:100px}.eyebrow{display:flex;align-items:center;gap:8px;font-size:15px;letter-spacing:-.03em;margin-bottom:22px}.eyebrow:before{content:'';width:6px;height:6px;background:currentColor;border-radius:50%;flex:none}.pill{display:inline-flex;align-items:center;gap:22px;position:relative;isolation:isolate;white-space:nowrap;min-height:40px;padding:8px 18px;border:0;background:var(--green);color:#090c06;border-radius:40px;line-height:1.1}.pill:after{content:'↗';display:grid;place-items:center;width:40px;height:40px;background:inherit;border-radius:50%;margin:-8px -24px -8px -6px;transition:transform .25s}.pill:hover:after{transform:rotate(45deg)}.pill.black{background:var(--ink);color:var(--bg)}.plain{display:inline-flex;gap:16px;align-items:center;font-size:15px}.plain:after{content:'↗';transition:transform .25s}.plain:hover:after{transform:translate(3px,-3px)}.actions{display:flex;flex-wrap:wrap;align-items:center;gap:42px;margin-top:32px}.header{height:106px;position:relative;z-index:50;display:flex;align-items:center;justify-content:space-between;padding:0 2.3vw;background:var(--bg)}.logo{font-size:32px;font-weight:700;letter-spacing:-.07em}.nav{display:flex;gap:40px;align-items:center}.nav-item{padding:34px 0}.nav-item>a,.nav-item>button{font-size:16px;background:none;border:0;padding:0;position:relative}.badge{position:absolute;top:-14px;right:-12px;background:var(--green);color:#090c06;border-radius:10px;padding:0 5px;font-size:10px}.tools{display:flex;gap:24px;align-items:center}.theme,.menu-btn{border:0;background:none;font-size:22px;padding:4px}.menu-btn{display:none}.mega{display:none;position:absolute;top:89px;left:3vw;right:3vw;gap:45px;padding:40px;border-radius:24px;background:var(--soft);box-shadow:0 25px 35px #0001}.nav-item:hover .mega,.nav-item:focus-within .mega,.nav-item.open .mega{display:grid;grid-template-columns:1.4fr 1fr}.mega-links{display:grid;grid-template-columns:1fr 1fr;gap:26px}.mega a b{display:block;font-size:25px;font-weight:400}.mega a small{display:block;margin-top:7px;color:#777;font-size:14px;letter-spacing:0}.mega img{width:100%;height:230px;border-radius:15px}.video-control{position:absolute;bottom:28px;left:28px;z-index:3;border:1px solid #fff6;color:white;background:#0004;border-radius:40px;padding:7px 13px;font-size:12px;letter-spacing:0}@keyframes float{to{transform:translateY(-30px) scale(1.03)}}.intro{display:grid;grid-template-columns:32% 68%;padding-top:70px;padding-bottom:65px}.intro h2{font-size:clamp(30px,3.12vw,52px);max-width:1020px}.indent{text-indent:18%}.project-media{border-radius:24px;overflow:hidden;position:relative;aspect-ratio:4/3;background:var(--soft)}.project-media img{width:100%;height:100%;transition:transform .7s cubic-bezier(.2,.7,.2,1)}.project:hover img{transform:scale(1.05)}.project .tags{position:absolute;top:20px;left:20px;display:flex;gap:8px;opacity:0;transform:translateY(-8px);transition:.3s}.project:hover .tags{opacity:1;transform:none}.tags span{background:white;color:black;font-size:12px;letter-spacing:0;padding:6px 12px;border-radius:30px}.project-meta{display:flex;gap:10px;font-size:14px;margin-top:20px;letter-spacing:-.025em}.project h3{margin-top:10px;max-width:510px;font-size:clamp(26px,2.35vw,38px)}.expertise{background:#030602;color:#fff;border-radius:26px 26px 0 0;padding:90px 0 290px;position:relative}.expert-top{display:grid;grid-template-columns:32% 43% 25%;gap:0}.expert-top h2{max-width:520px}.expert-top p{max-width:300px;font-size:17px;line-height:1.6;padding-top:4px}.service-list a{display:block;border-bottom:1px solid #fff3;position:relative;font-size:clamp(48px,6.7vw,104px);line-height:1.08;padding:26px 0 35px;letter-spacing:-.065em}.service-list a img{position:absolute;right:4%;top:-30%;width:250px;height:175px;object-fit:cover;border-radius:10px;opacity:0;pointer-events:none;transform:rotate(8deg) scale(.8);transition:.3s}.service-list a:hover{color:var(--green)}.service-list a:hover img{opacity:1;transform:rotate(8deg) scale(1)}.prose p{font-size:17px;line-height:1.6;margin-bottom:25px}.prose a{text-decoration:underline;text-underline-offset:3px}.marquees{overflow:hidden;padding:40px 0 70px}.marquee{display:flex;width:max-content;font-size:clamp(65px,10vw,175px);line-height:1.16;letter-spacing:-.065em;animation:marquee 28s linear infinite;white-space:nowrap}.marquee.reverse{animation-direction:reverse}.marquee span{padding-right:45px}@keyframes marquee{to{transform:translateX(-50%)}}.blog-section{display:grid;grid-template-columns:23% 77%;overflow:hidden;padding:60px 0 100px;gap:2%}.blog-section .side h2{max-width:290px}.blog-section .side .pill{margin-top:28px}.slider-tools{display:flex;gap:8px;margin-top:95px}.slider-tools button{border:0;border-radius:50%;background:var(--soft);height:42px;width:42px}.blog-track{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:30px;scrollbar-width:none}.blog-track::-webkit-scrollbar{display:none}.blog-card{flex:0 0 42%;scroll-snap-align:start}.blog-card img{width:100%;aspect-ratio:16/9;border-radius:22px;margin-bottom:27px}.blog-card small{font-size:14px}.blog-card h3{font-size:27px;margin:8px 0 20px;line-height:1.1}.blog-card p{font-size:16px;line-height:1.5;color:#777}.footer-wrap{position:relative;padding:80px 2.5vw 25px}.footer{padding:80px 6% 40px;background:#050704;color:#fff;border-radius:28px;position:relative}.footer-top{display:grid;grid-template-columns:36% 19% 19% 26%;gap:0}.footer-top h2{font-size:40px;max-width:320px}.footer-top .pill{margin-top:28px}.footer-col{padding-top:5px;font-size:15px;letter-spacing:-.025em}.footer-col small{display:block;color:#92958d;margin-bottom:17px}.footer-col a{display:block;margin:10px 0}.footer-col p{line-height:1.65;margin-top:24px}.footer-grand{font-size:clamp(55px,9.5vw,160px);line-height:1.02;margin:120px 0 50px;letter-spacing:-.065em;white-space:nowrap}.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;font-size:12px;color:#b2b6ac;letter-spacing:-.02em}.footer-bottom .logo{font-size:22px;color:white}.back-top{position:absolute;top:50px;right:4vw;background:var(--bg);padding:10px 28px 12px;border-radius:0 0 20px 20px;border:0;font-size:13px;z-index:2}.page-hero{padding:80px 0 90px}.page-hero h1{max-width:1150px}.page-hero p{max-width:600px;margin-top:30px;font-size:20px;line-height:1.6}.page-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px 32px;padding-bottom:90px}.filter{display:flex;flex-wrap:wrap;gap:12px;margin:40px 0}.filter button{border:1px solid var(--line);border-radius:30px;padding:10px 22px;background:var(--bg);font-size:14px}.filter button.active{background:var(--green);color:#080a07;border-color:var(--green)}[hidden]{display:none!important}.detail-img{width:100%;max-height:850px;aspect-ratio:16/10;border-radius:26px}.detail-text{max-width:800px;margin:70px auto;font-size:19px;line-height:1.8;letter-spacing:0}.detail-text h2{font-size:40px;margin:55px 0 22px}.detail-text h3{font-size:27px;margin:30px 0 15px}.detail-text p{margin:20px 0}.detail-text ul{padding-left:25px}.note{font-size:13px;color:#888;letter-spacing:0;margin-top:20px}.accordion{margin:25px 0 60px}.accordion details{border-bottom:1px solid var(--line);padding:25px 0}.accordion summary{cursor:pointer;font-size:24px;list-style:none;display:flex;justify-content:space-between}.accordion summary:after{content:'+'}.accordion details[open] summary:after{content:'−'}.accordion p{margin-top:20px;line-height:1.7;max-width:850px;font-size:17px;letter-spacing:0}.form-grid{display:grid;grid-template-columns:1fr 1.6fr;gap:10%;padding-bottom:100px}.form-grid .info p{margin:25px 0;line-height:1.7;letter-spacing:0}.form{display:grid;grid-template-columns:1fr 1fr;gap:25px}.form label{font-size:14px;letter-spacing:0}.form input,.form select,.form textarea{display:block;width:100%;border:0;border-bottom:1px solid var(--line);background:var(--soft);color:var(--ink);padding:16px;margin-top:12px;border-radius:8px;letter-spacing:0}.form textarea{min-height:160px;resize:vertical}.form .wide{grid-column:1/-1}.form .pill{width:max-content}.status{margin-top:15px;font-size:15px;letter-spacing:0}.modal{position:fixed;inset:0;z-index:100;background:#000b;padding:35px;display:grid;place-items:center}.modal-box{position:relative;background:var(--bg);color:var(--ink);border-radius:24px;padding:40px;width:min(900px,100%);max-height:90vh;overflow:auto}.modal-close{position:absolute;right:15px;top:15px;background:var(--soft);border:0;border-radius:50%;width:38px;height:38px}.modal-box video{width:100%;border-radius:15px}.modal-box h2{margin-bottom:25px}.modal-box p{font-size:17px;line-height:1.7;letter-spacing:0}.reveal{opacity:1}.js .reveal{opacity:0;transform:translateY(25px);transition:opacity .7s,transform .7s}.js .reveal.in-view{opacity:1;transform:none}.doc-list{display:grid;grid-template-columns:repeat(3,1fr);gap:25px;margin-bottom:80px}.doc-card{border:1px solid var(--line);padding:32px;border-radius:22px}.doc-card h3{margin:20px 0}.doc-card p{letter-spacing:0;margin:20px 0;line-height:1.7}.doc-card .price{font-size:18px;color:#777}.mobile-panel{display:none}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}@media(max-width:1050px){.nav{gap:25px}.header{height:90px}.logo{font-size:28px}.tools{gap:12px}.expert-top{grid-template-columns:28% 42% 30%}.expert-top p{font-size:15px}.footer-top{grid-template-columns:32% 20% 20% 28%}.footer-top h2{font-size:32px}.blog-card{flex-basis:48%}.section{padding:75px 0}}@media(max-width:760px){.wrap{width:calc(100% - 36px)}.header{height:82px;padding:0 20px}.nav{display:none}.tools>.pill{display:none}.menu-btn{display:block;font-size:18px}.logo{font-size:30px}.tools{gap:15px}.video-control{bottom:47px;left:12px}.intro{display:block;padding:20px 0 45px}.intro h2{font-size:30px}.indent{text-indent:0}.project h3{font-size:27px}.project .tags{opacity:1;transform:none}.project-meta{margin-top:15px}.expertise{padding:60px 0 190px;border-radius:20px 20px 0 0}.expert-top{display:block}.expert-top h2{font-size:38px;margin-bottom:28px}.expert-top p{font-size:16px;max-width:none}.service-list a{font-size:50px;padding:20px 0 26px}.service-list a img{display:none}.prose p{font-size:16px}.marquees{padding:30px 0 50px}.marquee{font-size:68px}.blog-section{display:block;padding:40px 0 70px}.blog-section .side h2{max-width:320px;font-size:36px}.slider-tools{margin:25px 0}.blog-card{flex-basis:85%}.blog-card h3{font-size:25px}.footer-wrap{padding:60px 12px 12px}.footer{padding:60px 25px 30px;border-radius:22px}.footer-top{display:grid;grid-template-columns:1fr 1fr;gap:40px 20px}.footer-top>div:first-child{grid-column:1/-1}.footer-col:last-child{grid-column:1/-1}.footer-top h2{font-size:38px}.footer-grand{font-size:14vw;white-space:normal;margin:65px 0 40px}.footer-bottom{font-size:11px;line-height:1.7;justify-content:flex-start}.back-top{top:35px;right:22px;font-size:12px;padding:10px 15px}.page-hero{padding:50px 0 60px}.page-hero h1{font-size:48px}.page-hero p{font-size:17px}.page-grid{grid-template-columns:1fr;gap:45px}.form-grid{display:block}.form-grid .info{margin-bottom:40px}.form{grid-template-columns:1fr}.form .wide{grid-column:auto}.detail-text{margin:40px auto;font-size:17px}.detail-text h2{font-size:30px}.detail-img{aspect-ratio:4/3;border-radius:18px}.doc-list{grid-template-columns:1fr}.modal{padding:14px}.modal-box{padding:45px 24px 30px}.mobile-panel{position:fixed;inset:82px 0 0;background:var(--bg);padding:25px;z-index:49;overflow:auto}.mobile-panel.open{display:block}.mobile-panel a{display:block;font-size:37px;border-bottom:1px solid var(--line);padding:18px 0}.mobile-panel a.pill{display:flex;font-size:18px;margin-top:35px;width:max-content;padding:12px 22px}.js .reveal{transform:translateY(15px)}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}.js .reveal{opacity:1;transform:none}}
/* ===== v2：自托管字体、中文排版、新首屏与新模块 ===== */
@font-face{font-family:'Inter';src:url(fonts/Inter-Regular.woff) format('woff');font-weight:400;font-display:swap}
@font-face{font-family:'Inter';src:url(fonts/Inter-Medium.woff) format('woff');font-weight:500;font-display:swap}
@font-face{font-family:'Inter Display';src:url(fonts/InterDisplay-Regular.woff) format('woff');font-weight:400;font-display:swap}
@font-face{font-family:'Inter Display';src:url(fonts/InterDisplay-Medium.woff) format('woff');font-weight:500;font-display:swap}
:root{--sans:'Inter',-apple-system,BlinkMacSystemFont,'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Noto Sans SC',sans-serif;--display:'Inter Display',-apple-system,BlinkMacSystemFont,'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Noto Sans SC',sans-serif;--muted:#6b6e66}
body.dark{--muted:#a3a79c}
/* 中文不使用负字距；只在纯拉丁大字上收紧 */
body{font-family:var(--sans);letter-spacing:0;line-height:1.6}
h1,h2,h3{font-family:var(--display);font-weight:500;letter-spacing:-.01em;line-height:1.18}
h1{font-size:clamp(42px,5.4vw,88px)}
h2{font-size:clamp(30px,3.3vw,52px)}
p,.eyebrow,.pill,.plain,.project-meta,.footer-col,.footer-bottom,.blog-card small{letter-spacing:0}
.logo,.marquee,.footer-grand{font-family:var(--display);letter-spacing:-.04em}
.pill{font-weight:500}
.project h3,.blog-card h3{letter-spacing:-.01em;line-height:1.25}
.blog-card p{color:var(--muted)}
.mega a small{color:var(--muted)}
.note{color:var(--muted)}
/* 首屏 */
.hero2{padding-top:48px}
.hero2-head{display:grid;grid-template-columns:1.5fr 1fr;gap:6%;align-items:end}
.hero2 h1{font-size:clamp(44px,6vw,100px);line-height:1.1;letter-spacing:-.02em}
.hero2-lead p{font-size:18px;line-height:1.75;max-width:440px;color:var(--muted)}
.hero2-lead .actions{margin-top:28px}
.bento{display:grid;grid-template-columns:1.55fr 1fr;grid-template-rows:1fr 1fr;gap:16px;height:clamp(460px,46vw,760px);margin-top:56px;position:relative}
.bento figure{margin:0;position:relative;overflow:hidden;border-radius:var(--radius);background:var(--soft)}
.bento figure:first-child{grid-row:1/3}
.bento img{width:100%;height:100%}
.bento.moving img{animation:drift 16s ease-in-out infinite alternate}
.bento.moving figure:nth-child(2) img{animation-delay:-5s}
.bento.moving figure:nth-child(3) img{animation-delay:-10s}
@keyframes drift{to{transform:scale(1.07) translateY(-1.5%)}}
.bento figcaption{position:absolute;left:16px;top:16px;background:var(--bg);color:var(--ink);border-radius:30px;padding:6px 14px;font-size:14px}
.video-control{position:absolute;right:16px;bottom:16px;left:auto;z-index:2;border:1px solid #fff6;color:#fff;background:#0007;border-radius:40px;padding:7px 14px;font-size:12px;backdrop-filter:blur(6px)}
/* 区块标题行 */
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:56px}
.home-work{padding-top:40px}
.home-work .page-grid{padding-bottom:110px}
/* 服务（深色） */
.expertise{padding:90px 0 100px;border-radius:26px;margin:0 12px}
.services-page{padding:40px 0;margin-bottom:40px}
.service-list{margin-top:70px}
.services-page .service-list{margin-top:0}
.service-list a{letter-spacing:-.01em;font-family:var(--display);font-size:clamp(40px,5.6vw,92px);line-height:1.15}
.service-list .num{display:inline-block;font-family:var(--sans);font-size:14px;color:#9aa090;letter-spacing:0;vertical-align:top;margin:14px 28px 0 0}
/* 工作方式 */
.process{padding:120px 0 40px}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:0;padding:0}
.process-grid li{list-style:none;background:var(--soft);border-radius:22px;padding:28px;min-height:280px;display:flex;flex-direction:column;justify-content:space-between;gap:30px}
.process-grid li:nth-child(3){background:var(--green);color:#080a07}
.process-grid .num{font-size:14px;color:var(--muted)}
.process-grid li:nth-child(3) .num{color:#3c4630}
.process-grid b{display:block;font-family:var(--display);font-size:28px;font-weight:500;margin-bottom:10px}
.process-grid p{font-size:15px;line-height:1.65}
/* 跑马灯（纯装饰） */
.marquees{padding:80px 0 60px}
.marquee{animation-duration:40s}
/* 结尾 CTA */
.cta-band{display:flex;justify-content:space-between;align-items:flex-end;flex-wrap:wrap;gap:40px;padding:110px 0 30px;border-top:1px solid var(--line)}
.cta-band h2{font-size:clamp(34px,4vw,64px)}
/* 页脚 */
.footer-wrap{padding-top:60px}
.footer-grand{font-size:clamp(55px,11vw,190px)}
.footer-col a{word-break:break-all}
.footer-bottom .logo{font-size:20px}
/* 联系页 */
.channels{list-style:none;padding:0;margin:35px 0 0;display:grid;gap:18px}
.channels small{display:block;font-size:13px;color:var(--muted)}
.channels a,.channels span{font-size:18px}
.channels a{text-decoration:underline;text-underline-offset:4px}
.page-hero p{color:var(--muted)}
.detail-text{letter-spacing:0}
@media(max-width:1050px){.hero2-head{grid-template-columns:1fr;gap:28px}.process-grid{grid-template-columns:1fr 1fr}}
@media(max-width:760px){
  .hero2{padding-top:24px}
  .hero2 h1{font-size:clamp(38px,10.5vw,56px)}
  .hero2-lead p{font-size:16px}
  .bento{display:flex;flex-direction:column;height:auto;margin-top:36px;gap:12px}
  .bento figure{aspect-ratio:4/3;border-radius:20px}
  .bento figure:first-child{aspect-ratio:4/4.4}
  .section-head{display:block;margin-bottom:36px}
  .section-head .plain{margin-top:18px}
  .home-work .page-grid{padding-bottom:70px}
  .expertise{padding:60px 0;margin:0 8px;border-radius:20px}
  .service-list a{font-size:40px;padding:18px 0 22px}
  .service-list .num{margin:8px 16px 0 0;font-size:12px}
  .process{padding:80px 0 20px}
  .process-grid{grid-template-columns:1fr}
  .process-grid li{min-height:0}
  .marquee{font-size:60px}
  .cta-band{padding:70px 0 20px}
  .footer-grand{font-size:15vw}
}
@media(prefers-reduced-motion:reduce){.bento img{animation:none!important}}
.form .hp{display:none}
img{height:auto}