:root{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:#111;background:#fff;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}*{box-sizing:border-box}html{min-width:320px;scroll-behavior:smooth}body{margin:0}a{color:inherit}img{max-width:100%}:focus-visible{outline:3px solid #888;outline-offset:4px}.wrap{width:min(1160px,calc(100% - 88px));margin-inline:auto}.header{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.92);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}.header-inner{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand img{display:block;width:148px}.nav{display:flex;gap:32px;font-size:13px}.nav a,.brand{text-decoration:none}.nav a:hover{text-decoration:underline;text-underline-offset:5px}.hero{padding:83px 0 90px}.back{display:inline-block;margin-bottom:57px;color:#707070;font-size:13px;text-decoration:none}.back:hover{color:#111}.eyebrow,.label{color:#777;font-size:11px;font-weight:650;letter-spacing:.14em;text-transform:uppercase}.hero h1{max-width:950px;margin:24px 0;font-size:clamp(44px,6.4vw,76px);font-weight:650;letter-spacing:-.045em;line-height:1.16}.lead{max-width:760px;margin:0;color:#606060;font-size:17px;line-height:1.9}.meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px}.meta span{padding:8px 13px;border:1px solid #dedede;border-radius:999px;color:#555;font-size:12px}.overview{padding:72px 0;background:#f5f5f3}.split{display:grid;grid-template-columns:.72fr 1.28fr;gap:70px}.section-title{margin:17px 0 0;font-size:clamp(32px,4vw,46px);font-weight:600;letter-spacing:-.04em;line-height:1.25}.text p{max-width:660px;margin:0 0 18px;color:#565656;font-size:16px;line-height:1.95}.text p:last-child{margin-bottom:0}.work{padding:105px 0}.work-head{display:flex;justify-content:space-between;align-items:end;gap:32px;margin-bottom:48px}.work-head p{max-width:390px;margin:0;color:#777;font-size:14px;line-height:1.8}.cards{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid #d6d6d6;border-bottom:1px solid #d6d6d6}.card{min-height:235px;padding:25px 28px 28px 0}.card+.card{padding-left:28px;border-left:1px solid #d6d6d6}.card .label{display:block;margin-bottom:42px}.card h3{margin:0 0 13px;font-size:22px;letter-spacing:-.03em}.card p{margin:0;color:#686868;font-size:14px;line-height:1.85}.flow-section{padding:85px 0 94px;color:#fff;background:#0b0b0b}.flow-section .label{color:#999}.flow-section .section-title{margin-bottom:20px}.flow-intro{max-width:610px;margin:0;color:#aaa;font-size:15px;line-height:1.9}.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:45px}.flow-item{min-height:150px;padding:22px;border:1px solid #373737;border-radius:14px;background:#171717}.flow-item span{display:block;margin-bottom:26px;color:#888;font-size:11px}.flow-item strong{font-size:16px;font-weight:550}.flow-item p{margin:9px 0 0;color:#aaa;font-size:12px;line-height:1.7}.next{display:flex;justify-content:space-between;align-items:center;gap:28px;padding:75px 0}.next p{margin:0 0 12px}.next h2{margin:0;font-size:clamp(26px,3.5vw,38px);letter-spacing:-.04em}.next a{flex-shrink:0;padding:14px 20px;border:1px solid #111;border-radius:999px;font-size:13px;text-decoration:none;transition:background 150ms,color 150ms}.next a:hover{color:#fff;background:#111}.footer{padding:24px 0;color:#aaa;background:#080808}.footer-inner{display:flex;justify-content:space-between;gap:20px;font-size:11px}.footer a{text-decoration:none}.footer a:hover{color:#fff}@media(max-width:720px){.wrap{width:calc(100% - 40px)}.header-inner{min-height:72px}.brand img{width:118px}.nav{gap:15px;font-size:11px}.hero{padding:54px 0 65px}.back{margin-bottom:42px}.hero h1{font-size:clamp(40px,10vw,60px)}.lead{font-size:15px}.overview{padding:58px 0}.split{grid-template-columns:1fr;gap:25px}.text p{font-size:15px}.work{padding:72px 0}.work-head{display:block;margin-bottom:30px}.work-head p{margin-top:18px}.cards{grid-template-columns:1fr}.card{min-height:0;padding:24px 0}.card+.card{padding:24px 0;border-left:0;border-top:1px solid #d6d6d6}.card .label{margin-bottom:20px}.flow-section{padding:65px 0}.flow{grid-template-columns:repeat(2,1fr);margin-top:32px}.flow-item{min-height:140px}.next{align-items:flex-start;flex-direction:column;padding:58px 0}.footer-inner{flex-wrap:wrap}}@media(max-width:400px){.wrap{width:calc(100% - 32px)}.brand img{width:106px}.nav{gap:10px;font-size:10px}.flow-item{padding:17px}}@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition-duration:.01ms!important}}

/* 案例详情延续首页的渐变与柔和边缘。 */
.header{background:linear-gradient(180deg,rgba(255,255,255,.93),rgba(255,255,255,.76));box-shadow:0 10px 30px rgba(255,255,255,.25)}
.overview{background:linear-gradient(145deg,#f7f7f6,#ebeced)}
.flow-section{position:relative;isolation:isolate;width:calc(100% - 48px);margin:0 auto;border:1px solid rgba(255,255,255,.1);border-radius:32px;background:radial-gradient(ellipse at 80% 10%,#3b3d3f,transparent 50%),linear-gradient(145deg,#242526,#0d0e0f 75%);box-shadow:0 24px 70px rgba(25,27,29,.15)}
.flow-section::before{position:absolute;z-index:-1;inset:-28px;border-radius:55px;background:radial-gradient(ellipse at center,rgba(80,84,87,.16),transparent 70%);filter:blur(18px);pointer-events:none;content:""}
.flow-item{border-color:rgba(255,255,255,.16);background:linear-gradient(145deg,rgba(255,255,255,.1),rgba(255,255,255,.03));box-shadow:inset 0 1px 0 rgba(255,255,255,.08);transition:transform 200ms ease,background 200ms ease}
.flow-item:hover{transform:translateY(-3px);background:linear-gradient(145deg,rgba(255,255,255,.15),rgba(255,255,255,.05))}
.next{padding-top:88px}
@media(max-width:720px){.flow-section{width:calc(100% - 24px);border-radius:24px}.next{padding-top:72px}}
@media(prefers-reduced-motion:reduce){.flow-item{transition:none}.flow-item:hover{transform:none}}

/* 区块之间用背景渐变衔接，内容保持在深色区域内。 */
.overview{background:linear-gradient(to bottom,#fff 0,#f0f1f1 70px,#f0f1f1 calc(100% - 70px),#fff 100%)}
.flow-section{width:100%;margin:0;border:0;border-radius:0;padding-block:110px;box-shadow:none;background:linear-gradient(to bottom,#fff 0,#929394 12px,#202122 38px,#101112 calc(100% - 38px),#929394 calc(100% - 12px),#fff 100%)}
.flow-section::before{display:none}
.footer{padding-top:85px;background:linear-gradient(to bottom,#fff 0,#929394 12px,#080808 38px)}
@media(max-width:720px){.overview{background:linear-gradient(to bottom,#fff 0,#f0f1f1 45px,#f0f1f1 calc(100% - 45px),#fff 100%)}.flow-section{width:100%;border-radius:0;padding-block:90px;background:linear-gradient(to bottom,#fff 0,#929394 10px,#202122 32px,#101112 calc(100% - 32px),#929394 calc(100% - 10px),#fff 100%)}.footer{padding-top:75px;background:linear-gradient(to bottom,#fff 0,#929394 10px,#080808 32px)}}

.header{position:sticky;top:0;z-index:10;isolation:isolate;background:transparent;box-shadow:none;backdrop-filter:none;-webkit-backdrop-filter:none}
.header::before{position:absolute;z-index:-1;inset:0 0 -28px;background:linear-gradient(180deg,rgba(255,255,255,.96) 0%,rgba(255,255,255,.88) 58%,rgba(255,255,255,.42) 82%,transparent 100%);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);pointer-events:none;content:""}
.header-inner{width:min(1240px,calc(100% - 88px));min-height:82px;gap:0}.nav{align-items:center;gap:clamp(18px,3vw,38px);font-size:13px}
@media(max-width:960px){.header-inner{width:min(1240px,calc(100% - 56px))}}
@media(max-width:720px){.header-inner{width:calc(100% - 40px);min-height:72px}.nav{gap:15px;font-size:11px}}
@media(max-width:400px){.header-inner{width:calc(100% - 32px)}.brand img{width:96px}.nav{gap:8px;font-size:10px}}

.flow-section{width:calc(100% - 48px);margin-inline:auto;padding-block:95px;border:1px solid rgba(255,255,255,.08);border-radius:32px;background:radial-gradient(ellipse at 80% 0%,#292b2d,transparent 48%),linear-gradient(145deg,#1a1b1c,#0d0e0f 78%)}
.footer{padding:24px 0;color:#777;background:#f5f5f4}.footer a:hover{color:#222}
@media(max-width:720px){.flow-section{width:calc(100% - 24px);padding-block:68px;border-radius:24px}}

.header{background:rgba(255,255,255,.92);border-bottom:1px solid rgba(0,0,0,.06);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}
.header::before{display:none}