@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&display=swap');
:root{--ink:#382a23;--deep:#29201c;--paper:#f8f3ec;--muted:#948272;--lime:#c58f70;--border:#e7dbcd;--width:1240px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}h1,h2,h3,p{margin:0}h1,h2,h3{font-weight:600;letter-spacing:-.047em}p{line-height:1.85}.container{max-width:var(--width);padding:0 34px;margin:0 auto}.site-header{background:rgba(11,23,23,.97);color:#fff;height:84px;position:sticky;top:0;z-index:99;border-bottom:1px solid #ffffff17;backdrop-filter:blur(18px)}.nav-wrap{height:100%;display:flex;align-items:center;gap:40px}.brand{display:inline-flex;align-items:center;gap:11px;white-space:nowrap}.brand-name{font-size:24px;letter-spacing:-.08em;font-weight:700;display:flex;flex-direction:column;line-height:1.1}.brand-latin{font-family:'DM Sans',sans-serif;font-weight:600;font-size:9px;letter-spacing:.2em;color:#c9b5a1;margin-top:4px}.site-nav{display:flex;align-items:center;gap:34px;margin:auto}.nav-link{font-size:13px;color:#d0bda9;transition:.2s;white-space:nowrap}.nav-link:hover,.nav-link.active{color:white}.nav-cta{margin-left:auto}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:34px;background:var(--lime);color:var(--deep);font-size:14px;font-weight:650;padding:17px 22px;border-radius:6px;transition:transform .2s,background .2s;min-height:53px}.button:hover{transform:translateY(-3px);background:#e5b797}.button-small{min-height:42px;padding:11px 17px;font-size:12px;gap:20px}.button-light{background:#fff}.button-primary{background:var(--lime)}.menu-toggle,.mobile-contact{display:none}.eyebrow{font-size:11px;font-weight:700;letter-spacing:.15em;text-transform:uppercase;color:#bca28b;margin-bottom:28px}.eyebrow-mark{display:inline-grid;place-items:center;width:21px;height:21px;background:var(--lime);border-radius:50%;color:var(--deep);font-size:12px;margin-right:7px}.hero{background:var(--deep);color:white;position:relative;overflow:hidden}.hero-grid-bg{position:absolute;inset:0;background-image:linear-gradient(#ffffff08 1px,transparent 1px),linear-gradient(90deg,#ffffff08 1px,transparent 1px);background-size:70px 70px;mask-image:linear-gradient(90deg,transparent 30%,black 100%);pointer-events:none}.hero-main{min-height:680px;padding-top:102px;padding-bottom:88px;display:grid;grid-template-columns:1.13fr .87fr;gap:50px;align-items:center;position:relative}.hero-copy h1{font-size:clamp(44px,5.05vw,76px);line-height:1.24;letter-spacing:-.07em;margin-bottom:30px}.hero-copy h1 em,.page-hero h1 em{font-style:normal;color:var(--lime)}.hero-copy>p{color:#d5c3ae;font-size:16px;max-width:620px;margin-bottom:36px}.hero-actions{display:flex;gap:27px;align-items:center;flex-wrap:wrap}.text-link{font-weight:650;font-size:13px;display:inline-flex;gap:15px;align-items:center;border-bottom:1px solid #bca995;padding-bottom:9px}.text-link:hover{color:#9f6448}.text-link-light{color:white;border-color:#9a7e69}.text-link-light:hover{color:var(--lime)}.hero-stats{display:flex;gap:38px;margin-top:88px}.hero-stats div{display:flex;flex-direction:column;gap:9px}.hero-stats b{font:600 26px 'DM Sans',sans-serif;color:var(--lime)}.hero-stats span{font-size:11px;color:#bfa995}.hero-art{height:488px;border:1px solid #ffffff2a;background:linear-gradient(140deg,#4b342b 0%,#30241f 70%);border-radius:18px;position:relative;overflow:hidden;box-shadow:0 20px 90px #0005}.art-top,.art-bottom{position:absolute;left:25px;right:25px;display:flex;align-items:center;justify-content:space-between;font-size:9px;font-family:'DM Sans',sans-serif;letter-spacing:.14em;color:#d7c4af}.art-top{top:22px}.art-bottom{bottom:22px}.live-dot{color:#c58f70}.flow-art{position:absolute;inset:50px 25px 48px}.flow-node{position:absolute;border:1px solid #ffffff27;background:#5d4437ee;border-radius:10px;padding:18px 20px;display:flex;flex-direction:column;gap:8px;width:56%;z-index:2;box-shadow:0 8px 30px #0003}.flow-node small{font:600 9px 'DM Sans',sans-serif;letter-spacing:.16em;color:#c0a994}.flow-node b{font-size:18px;font-weight:600}.flow-node span{font-size:11px;color:#dac3ae}.flow-node.n1{top:15px;left:0}.flow-node.n2{top:133px;right:0;background:#c58f70;color:#382a23;border-color:transparent}.flow-node.n2 small,.flow-node.n2 span{color:#795440}.flow-node.n3{bottom:8px;left:0}.flow-lines{position:absolute;inset:0;width:100%;height:100%;overflow:visible}.flow-lines path{fill:none;stroke:var(--lime);stroke-width:1.8;stroke-dasharray:5 7;animation:dash 15s linear infinite}.flow-lines circle{fill:var(--lime)}@keyframes dash{to{stroke-dashoffset:-240}}.flow-float{position:absolute;right:9px;bottom:14px;color:var(--lime);font-size:23px}.flow-float span{display:block;font-size:8px;letter-spacing:.1em}.hero-bottom{padding-bottom:28px;display:flex;justify-content:space-between;color:#ae9580;font-size:11px;position:relative;border-top:1px solid #ffffff18;padding-top:24px}.section{padding:115px 0}.section-heading{margin-bottom:55px}.section-heading.split{display:grid;grid-template-columns:1.2fr .55fr;gap:80px;align-items:end}.section-heading h2,.about-intro h2{font-size:clamp(34px,4vw,55px);line-height:1.27}.section-heading p{font-size:15px;color:#7c6b60;max-width:400px}.muted{color:#a08c7a}.problems-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.problem-card{border:1px solid var(--border);background:white;border-radius:8px;padding:31px 25px;min-height:282px;transition:.25s}.problem-card:hover{transform:translateY(-6px);box-shadow:0 16px 50px #192a1c12}.problem-icon{display:grid;place-items:center;width:45px;height:45px;border-radius:50%;background:#f3e2d2;font-size:24px;color:#3c6837;margin-bottom:49px}.problem-card h3{font-size:19px;margin-bottom:15px}.problem-card p{font-size:12px;color:#6d7a73}.dark-section{background:var(--deep);color:white}.dark-section .section-heading p{color:#bea993}.dark-section .eyebrow{color:#bea993}.dark-section .muted{color:#728a7d}.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:13px}.feature-card{background:#1a2b26;border:1px solid #ffffff12;padding:33px;min-height:288px;border-radius:9px;transition:.25s}.feature-card:hover{background:#253b31;transform:translateY(-5px);border-color:#c58f7055}.card-top{display:flex;align-items:center;justify-content:space-between;font:600 12px 'DM Sans',sans-serif;color:#c58f70}.card-arrow{font-size:25px;font-weight:400}.feature-card h3{font-size:29px;margin-top:39px;margin-bottom:13px}.feature-card p{font-size:13px;color:#cdb8a3}.card-meta{display:block;border-top:1px solid #ffffff21;padding-top:20px;margin-top:28px;font-size:11px;color:#7f9b8c}.industry-preview{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:14px}.industry-tile{position:relative;padding:30px;background:#e9dfd3;min-height:330px;border-radius:8px;display:flex;flex-direction:column;overflow:hidden;transition:.25s}.industry-tile:hover{transform:translateY(-5px)}.industry-tile>span:first-child{font-size:11px;color:#536659}.industry-tile h3{font-size:27px;line-height:1.4;margin-top:45px}.industry-tile.tile-wide{background:#c58f70}.industry-tile:nth-child(2){background:#f3e9db}.industry-tile:nth-child(3){background:#e6dbce}.tile-arrow{position:absolute;bottom:24px;right:27px;font-size:29px}.line-graphic{display:flex;gap:9px;position:absolute;bottom:-26px;left:25px;transform:rotate(-18deg)}.line-graphic i{height:120px;width:52px;border:1px solid #18271a5e;border-radius:35px}.process-preview{background:#f5ebdf}.steps-horizontal{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid #abb8ae;margin-bottom:40px}.steps-horizontal>div{padding:26px 23px 20px 0;border-right:1px solid #d6c6b5;min-height:192px}.steps-horizontal>div:not(:first-child){padding-left:24px}.steps-horizontal span{color:#6b8476;font:600 10px 'DM Sans',sans-serif;letter-spacing:.12em}.steps-horizontal h3{font-size:24px;margin:33px 0 10px}.steps-horizontal p{font-size:12px;color:#68786d}.cta-section{padding:35px 0 90px;background:var(--paper)}.cta-panel{background:#c58f70;min-height:366px;padding:58px 64px;position:relative;overflow:hidden;display:flex;align-items:end;justify-content:space-between;gap:40px;border-radius:10px}.cta-panel h2{font-size:clamp(44px,5vw,66px);line-height:1.14;margin:26px 0 17px;position:relative;z-index:2}.cta-panel p{max-width:590px;font-size:14px;position:relative;z-index:2}.tag{font:600 10px 'DM Sans',sans-serif;letter-spacing:.12em}.tag-dark{border:1px solid #526c3e;padding:8px 13px;border-radius:20px}.cta-panel .button{position:relative;z-index:2;white-space:nowrap}.cta-orbit{position:absolute;width:580px;height:580px;border:1px solid #382a2321;right:-130px;top:-260px;border-radius:50%;box-shadow:0 0 0 60px #382a2308,0 0 0 130px #382a2306;pointer-events:none}.footer{background:var(--deep);color:white;padding:70px 0 28px}.footer-upper{display:flex;justify-content:space-between;gap:70px;padding-bottom:78px}.footer-upper p{font-size:13px;color:#8da198;margin-top:25px}.footer-links{display:flex;gap:105px}.footer-links>div{display:flex;flex-direction:column;gap:16px}.footer-links strong{font-size:12px;font-weight:600;margin-bottom:10px}.footer-links a{color:#b8a18b;font-size:12px}.footer-links a:hover{color:var(--lime)}.footer-bottom{border-top:1px solid #ffffff21;padding-top:25px;display:flex;justify-content:space-between;font-size:11px;color:#71887b}.page-hero{background:var(--deep);color:white;padding:105px 0 115px;overflow:hidden}.page-hero-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:40px;align-items:center}.page-hero h1{font-size:clamp(45px,5.9vw,80px);line-height:1.22}.large-copy{margin-top:32px;color:#a7b9af;font-size:17px;max-width:670px}.page-decor{height:280px;position:relative}.decor-circle{position:absolute;width:240px;height:240px;border-radius:50%;border:1px solid #c58f70;right:8%;top:15px;box-shadow:0 0 0 30px #c58f7012,0 0 0 60px #c58f700a}.decor-cross{position:absolute;right:35%;top:25%;font-size:85px;font-weight:200;color:var(--lime)}.decor-label{position:absolute;right:0;bottom:0;color:#859d8f;font:600 10px 'DM Sans';letter-spacing:.15em}.solution-section{padding:95px 0;border-bottom:1px solid var(--border);scroll-margin-top:80px}.solution-section:nth-of-type(odd){background:#f5ede4}.solution-layout{display:grid;grid-template-columns:.82fr 1fr;gap:100px}.overline{font:600 11px 'DM Sans',sans-serif;letter-spacing:.14em;color:#a67355}.solution-left h2{font-size:50px;margin:20px 0 28px}.solution-left h3{font-size:21px;line-height:1.55;margin-bottom:20px}.solution-left p{color:#66766b;font-size:14px;margin-bottom:35px}.solution-diagram{background:#132a20;border-radius:10px;min-height:250px;color:#fff;padding:33px;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}.solution-diagram:before{content:'';position:absolute;width:280px;height:280px;border:1px solid #c58f7044;border-radius:50%;right:-65px;top:-95px;box-shadow:0 0 0 55px #c58f7009,0 0 0 105px #c58f7008}.diag-icon{color:var(--lime);font-size:42px}.solution-diagram>span{font-size:10px;letter-spacing:.15em;color:#bba38d}.solution-diagram strong{font-size:25px;position:relative;z-index:1}.diagram-grid{display:flex;gap:7px;position:relative;z-index:1}.diagram-grid span{background:#c58f7021;border:1px solid #c58f7033;border-radius:3px;padding:7px 10px;font-size:10px}.use-list{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:15px}.use-list>div{background:white;padding:18px 13px;border:1px solid var(--border);font-size:12px;border-radius:5px}.use-list span{color:#a66c4d;margin-right:9px}.industry-detail{padding:85px 0;border-bottom:1px solid var(--border);scroll-margin-top:80px}.industry-detail:nth-of-type(odd){background:#f5ebdf}.industry-detail-head{display:grid;grid-template-columns:140px 1fr .9fr;gap:30px;align-items:start;margin-bottom:60px}.industry-detail-head>span{font:600 11px 'DM Sans';color:#718b75;letter-spacing:.1em}.industry-detail-head h2{font-size:43px}.industry-detail-head p{color:#627469;font-size:15px}.industry-columns{display:grid;grid-template-columns:1fr 1fr 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#bac6ba;margin-top:30px;padding-top:17px;font-size:12px;color:#718778}.principle-grid,.values-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.principle-grid>div{background:#fff;padding:32px;border-radius:6px}.principle-grid b{color:#b47b5a;font:600 27px 'DM Sans'}.principle-grid h3,.values-grid h3{font-size:22px;margin:34px 0 13px}.principle-grid p,.values-grid p{font-size:13px;color:#7a8c80}.about-intro{display:grid;grid-template-columns:1fr .8fr;gap:95px}.about-intro>div:last-child p{font-size:16px;color:#68776b;margin-bottom:27px}.values-grid>div{border-top:1px solid #a9927e;padding-top:30px}.values-grid span{font:600 11px 'DM Sans';letter-spacing:.12em;color:var(--lime)}.contact-section{padding:110px 0 135px}.contact-grid{display:grid;grid-template-columns:1.2fr .7fr;gap:130px}.contact-main h2{font-size:56px;line-height:1.28;margin:30px 0}.contact-main>p{font-size:15px;color:#6f8073;max-width:550px;margin-bottom:45px}.email-card{background:#172e23;color:white;padding:30px;display:flex;align-items:center;justify-content:space-between;border-radius:7px;gap:15px}.email-card small{display:block;color:#a0b5a5;font-size:11px;margin-bottom:10px}.email-card strong{font-size:clamp(15px,2vw,24px);overflow-wrap:anywhere}.email-card>span:last-child{font-size:26px;color:var(--lime)}.copy-btn{background:none;border:none;color:#3b6145;font-size:12px;font-weight:700;padding:17px 0}.contact-side{padding:34px;background:#f3e8da;border-radius:7px;align-self:start}.contact-side h3{font-size:24px;line-height:1.4;margin:25px 0 35px}.prompt-line{border-top:1px solid #c4d0c2;display:flex;gap:20px;padding:19px 0}.prompt-line span{color:#6a8d66;font:600 13px 'DM Sans'}.prompt-line 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30px;flex-direction:column;align-items:stretch;gap:0;box-shadow:0 25px 30px #0003}.site-nav.open{display:flex}.nav-link{padding:16px 5px;border-bottom:1px solid #ffffff1c;font-size:16px}.mobile-contact{display:block;color:var(--lime);padding:16px 5px}.nav-cta{display:none}.hero-main{grid-template-columns:1fr;padding-top:70px;padding-bottom:50px;min-height:0}.hero-copy h1{font-size:clamp(43px,9vw,65px)}.hero-copy>p{font-size:14px}.hero-art{height:420px;max-width:520px;width:100%;margin:auto}.hero-stats{gap:24px;justify-content:space-between;margin-top:48px}.hero-stats span{font-size:10px}.hero-bottom{gap:12px;font-size:10px}.hero-bottom span:last-child{display:none}.section{padding:77px 0}.section-heading.split{grid-template-columns:1fr;gap:26px}.section-heading h2,.about-intro h2{font-size:36px}.section-heading 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/* YICHENG / warm editorial theme v2 */
:root{--ink:#382a23;--deep:#29201c;--paper:#f8f3ec;--muted:#8c7766;--lime:#c58f70;--border:#e7dbcd;--cream:#f8f3ec;--sand:#efe3d4;--coffee:#553c32;--clay:#ae7253}
body{background:#f8f3ec;color:#382a23}
.site-header{background:rgba(42,31,25,.97);border-bottom:1px solid #ffffff1c}
.brand-symbol{flex:0 0 38px;filter:drop-shadow(0 4px 13px #120d0b18)}
.brand-name{letter-spacing:-.06em}
.brand-latin{color:#c5ab95}
.eyebrow-mark{background:transparent!important;color:#b98160!important;border:1px solid currentColor;border-radius:4px!important;transform:rotate(45deg);width:15px!important;height:15px!important;line-height:1;font-size:0!important;vertical-align:middle;margin:0 14px 0 3px!important}
.eyebrow-mark::before{content:'';width:5px;height:5px;border-radius:1px;background:currentColor}
.hero{background:radial-gradient(ellipse at 75% 0%,#654739 0%,#342720 42%,#261d19 100%)}
.hero-grid-bg{opacity:.52;background-size:84px 84px}
.hero-copy h1 em,.page-hero h1 em{color:#e6baa0}
.hero-copy>p,.page-hero p{color:#ddcabb}
.hero-stats b,.live-dot{color:#ecc4a6}
.hero-art{background:linear-gradient(145deg,#684a39,#30231e 79%);border-color:#dbc0a62b}
.flow-node{background:#523c31e9;border-color:#f2d5b82a}
.flow-node.n2{background:#e8ccb3;color:#3a271e}
.flow-node.n2 small,.flow-node.n2 span{color:#79523c}
.flow-node small,.flow-node span{color:#dac3af}
.flow-float{color:#e8b899}
.button,.button-primary{background:#d0a081;color:#2d2019;border-radius:8px}
.button:hover{background:#e4b699}
.button-light{background:#fbefe0;color:#382a23}
.light-section{background:#f8f3ec}
.dark-section{background:#382a23}
.problem-card,.feature-card,.industry-tile{transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease}
.problem-card:hover,.feature-card:hover,.industry-tile:hover{transform:translateY(-5px)}
.cta-panel{background:#654738!important;color:#fff5eb}
.cta-panel .tag{color:#e5c3aa}
.footer{background:#2b211c!important;color:#f4e9de}
.page-hero{background:linear-gradient(125deg,#32251f 10%,#654736 100%)}
.note-box{color:#806d5d}
/* curated example projects */
.cases-section{padding:115px 0;background:#eee2d4}
.cases-intro{display:flex;justify-content:space-between;align-items:end;gap:35px;margin-bottom:45px}
.cases-intro h2{font-size:clamp(34px,4vw,54px);line-height:1.22;letter-spacing:-.055em}
.cases-intro p{max-width:400px;color:#746357;font-size:14px}
.cases-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:17px}
.case-card{grid-column:span 2;background:#fbf7f1;border:1px solid #e5d5c4;border-radius:15px;min-height:286px;padding:26px;display:flex;flex-direction:column;position:relative;overflow:hidden;transition:transform .25s,border-color .25s,box-shadow .25s}
.case-card:nth-child(4),.case-card:nth-child(5){grid-column:span 3;min-height:270px}
.case-card:before{content:'';position:absolute;width:190px;height:190px;border:1px solid #decab7;border-radius:50%;right:-97px;top:-102px;box-shadow:0 0 0 25px #e8d8c532,0 0 0 50px #e8d8c524;pointer-events:none}
.case-card:hover{transform:translateY(-5px);box-shadow:0 20px 42px #513c2912;border-color:#c99d7b}
.case-top{display:flex;align-items:center;justify-content:space-between;gap:10px;color:#99765e;font-size:11px;letter-spacing:.12em;font-weight:700;margin-bottom:35px}
.case-icon{display:grid;place-items:center;height:37px;width:37px;border:1px solid #dfc8b5;border-radius:11px;color:#8c5c40;background:#f3e8dd}
.case-icon svg{width:21px;height:21px;stroke:currentColor;stroke-width:1.7;fill:none;stroke-linecap:round;stroke-linejoin:round}
.case-card h3{font-size:24px;letter-spacing:-.045em;margin-bottom:12px;color:#382a23}
.case-card p{font-size:13px;line-height:1.9;color:#746356}
.case-bottom{margin-top:auto;padding-top:24px;font-size:11px;font-weight:700;letter-spacing:.04em;color:#94684d}
.case-disclaimer{margin-top:25px;font-size:12px;color:#806e61;border-left:2px solid #bd9071;padding-left:12px;line-height:1.8}
.cases-page-intro{padding:78px 0 0;background:#eee2d4}
.cases-page-intro .cases-section{padding-top:0}
.case-link{display:inline-flex;gap:14px;align-items:center;font-size:13px;font-weight:700;color:#79523a;border-bottom:1px solid #ac866d;padding-bottom:6px}
@media(max-width:850px){.cases-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.case-card,.case-card:nth-child(4),.case-card:nth-child(5){grid-column:span 1}.cases-intro{display:block}.cases-intro p{margin-top:18px}.cases-section{padding:78px 0}}
@media(max-width:580px){.cases-grid{grid-template-columns:1fr}.case-card,.case-card:nth-child(4),.case-card:nth-child(5){min-height:265px}.case-card{padding:25px}.cases-section{padding:65px 0}.cases-intro h2{font-size:34px}}
@media(prefers-reduced-motion:reduce){.case-card,.case-card:hover{transition:none;transform:none}}

/* V3 WeChat contact card */
.wechat-card{background:#fffaf3;border:1px solid #e2d1c0;border-radius:16px;padding:34px;box-shadow:0 14px 45px #50352b0b;max-width:550px;scroll-margin-top:110px}
.wechat-card-heading{text-align:center}.wechat-label{font-size:10px;letter-spacing:.17em;font-weight:700;color:#a67655}.wechat-card-heading h3{font-size:25px;margin:15px 0 8px;letter-spacing:-.035em;color:#382a23}.wechat-card-heading p{font-size:13px;color:#826c5c;line-height:1.7}
.wechat-qr-frame{max-width:342px;margin:23px auto 19px;padding:11px;background:#fff;border:1px solid #e8ded2;border-radius:12px}.wechat-qr-frame img{width:100%;height:auto;display:block;aspect-ratio:1;object-fit:contain;image-rendering:auto}
.wechat-card-bottom{display:flex;align-items:center;justify-content:center;gap:8px;color:#755f50;font-size:12px}.wechat-status-dot{height:7px;width:7px;background:#aa805e;border-radius:50%;flex-shrink:0}
@media(max-width:750px){.wechat-card{padding:26px 19px}.wechat-card-heading h3{font-size:22px}.wechat-qr-frame{max-width:320px}}

/* V4: specific hypothetical business walkthroughs */
.case-directory{padding:90px 0;background:#eee2d4}.case-directory-heading{display:flex;justify-content:space-between;gap:36px;align-items:end;margin-bottom:34px}.case-directory-heading h2{font-size:clamp(30px,4vw,48px);line-height:1.27;color:#392b23;letter-spacing:-.05em;margin-top:14px}.case-directory-heading>p{max-width:390px;font-size:14px;color:#786456;line-height:1.9}.case-directory-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:14px}.case-directory-card{grid-column:span 2;display:flex;flex-direction:column;padding:27px;min-height:250px;background:#fbf7f1;border:1px solid #dfcebc;border-radius:18px;color:#382a23;text-decoration:none;transition:transform .22s,border-color .22s,box-shadow .22s}.case-directory-card:nth-child(4),.case-directory-card:nth-child(5){grid-column:span 3;min-height:210px}.case-directory-card:hover{transform:translateY(-4px);border-color:#b4896b;box-shadow:0 18px 35px #543c2914}.case-dir-index{font-size:11px;color:#97694c;letter-spacing:.08em;font-weight:700}.case-directory-card h3{font-size:22px;line-height:1.4;letter-spacing:-.03em;margin:27px 0 9px}.case-dir-company{font-size:12px;color:#806e60}.case-dir-arrow{margin-top:auto;padding-top:22px;font-size:12px;color:#80583d;font-weight:700}.case-stories{background:#f8f3ec;padding:85px 0 100px}.case-story{scroll-margin-top:100px;margin-bottom:28px;background:#fffaf5;border:1px solid #e4d8c9;border-radius:22px;overflow:hidden;padding:clamp(24px,3.5vw,52px)}.case-story-head{display:flex;justify-content:space-between;gap:15px;align-items:center}.case-story-kicker{font-size:11px;letter-spacing:.14em;font-weight:800;color:#99735b}.case-story-kicker span{margin-left:16px;letter-spacing:.04em}.fiction-pill{border:1px solid #d8bcaa;border-radius:100px;color:#825b46;padding:7px 12px;font-size:11px;white-space:nowrap}.case-story h2{font-size:clamp(28px,3.7vw,43px);line-height:1.25;letter-spacing:-.045em;color:#372820;margin:20px 0 28px}.case-company{display:flex;gap:16px;align-items:start;padding:21px;background:#f2e9de;border-radius:14px;margin-bottom:28px}.company-avatar{flex-shrink:0;width:48px;height:48px;border-radius:13px;display:grid;place-items:center;background:#684b39;color:#fff1e3;font-size:13px;font-weight:800}.case-company strong{color:#453026;font-size:16px}.case-company p{font-size:13px;line-height:1.85;color:#735f51;margin-top:8px}.story-columns{display:grid;grid-template-columns:.75fr 1.25fr;gap:26px}.story-problem,.story-solution{padding:26px;border:1px solid #e6dace;border-radius:14px}.story-problem{background:#f7f0e6}.story-solution{background:#fffdf9}.story-label{display:block;color:#8c6249;font-size:11px;letter-spacing:.08em;font-weight:800;margin-bottom:14px}.story-problem>p,.story-benefit p,.story-output p{font-size:13px;color:#59483b;line-height:1.95}.story-benefit{border-top:1px solid #dfd0c0;margin-top:30px;padding-top:25px}.story-solution ol{counter-reset:step;list-style:none;padding:0;margin:0}.story-solution li{position:relative;padding-left:35px;margin-bottom:17px;font-size:13px;line-height:1.85;color:#59483b}.story-solution li:before{counter-increment:step;content:counter(step);position:absolute;left:0;top:0;width:23px;height:23px;border-radius:8px;background:#eadbc9;color:#745038;display:grid;place-items:center;font-size:11px;font-weight:700}.story-output{padding:20px;border-radius:12px;background:#f1e5d6;margin-top:25px}.case-story-foot{display:flex;justify-content:space-between;align-items:center;gap:25px;margin-top:25px}.case-story-foot>span{font-size:11px;color:#8d7a6b;line-height:1.6;max-width:590px}.case-story-foot a{white-space:nowrap;color:#65432f;font-weight:800;font-size:13px;border-bottom:1px solid #b89a81;padding-bottom:4px}.case-all-note{border-left:3px solid #b58a6c;background:#f0e6db;padding:25px 27px;border-radius:0 14px 14px 0}.case-all-note strong{font-size:14px;color:#593f31}.case-all-note p{font-size:12px;line-height:1.9;color:#745f50;margin-top:9px}.case-bottom a{color:inherit;text-decoration:none}.case-bottom a:hover{text-decoration:underline}
@media(max-width:850px){.case-directory-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.case-directory-card,.case-directory-card:nth-child(4),.case-directory-card:nth-child(5){grid-column:span 1}.case-directory-heading{display:block}.case-directory-heading>p{margin-top:20px}.story-columns{grid-template-columns:1fr}}
@media(max-width:590px){.case-directory{padding:62px 0}.case-directory-grid{grid-template-columns:1fr}.case-directory-card,.case-directory-card:nth-child(4),.case-directory-card:nth-child(5){min-height:185px}.case-directory-card h3{margin:20px 0 8px}.case-stories{padding:55px 0}.case-story{padding:22px 17px}.case-story-head{align-items:start}.case-story-kicker span{display:block;margin:7px 0 0}.fiction-pill{font-size:10px}.case-company{padding:16px}.story-problem,.story-solution{padding:20px 17px}.case-story-foot{display:block}.case-story-foot a{display:inline-block;margin-top:18px}}
@media(prefers-reduced-motion:reduce){.case-directory-card{transition:none}.case-directory-card:hover{transform:none}}

/* V5: cache-safe business cases visual refinements */
.case-directory{padding-top:96px;padding-bottom:105px}
.case-directory-heading{border-bottom:1px solid #d6c5b4;padding-bottom:30px;margin-bottom:34px}
.case-directory-heading>p{max-width:410px}
.case-directory-card{box-shadow:0 8px 30px rgba(67,41,29,.035)}
.case-directory-card:focus-visible{outline:3px solid #a97c5e;outline-offset:4px}
.case-stories{padding-top:100px}
.case-story{box-shadow:0 12px 45px rgba(74,49,32,.045)}
.case-story:nth-child(even){background:#fffdf8}
.story-solution li{list-style:none}
.case-all-note{max-width:100%;margin-top:34px}
@media(max-width:850px){.case-directory{padding:65px 0}.case-stories{padding:64px 0}}