:root{--paper:#f7f7f4;--ink:#202221;--muted:#70736e;--line:#dddfd9;--red:#a6382d;--white:#fff;font-family:"Inter","Helvetica Neue","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0}button,input,select,textarea{font:inherit;color:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer;background:none;border:0}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--red);outline-offset:5px}h1,h2,h3,p,figure{margin:0}button:hover,a:hover{color:var(--red)}[hidden]{display:none!important}.shell{width:min(1160px,calc(100% - 96px));margin-inline:auto}.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;top:-60px;left:16px;z-index:100;background:var(--ink);color:white;padding:12px}.skip-link:focus{top:12px}.accent{color:var(--red)}.muted{color:var(--muted)}
.header{position:sticky;top:0;z-index:20;background:rgba(247,247,244,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}.header-inner{height:84px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:inline-flex;align-items:center;gap:11px;white-space:nowrap}.brand strong{font-size:24px;letter-spacing:-.8px;font-weight:650}.brand strong span{margin-left:5px;font-size:23px;font-weight:500}.header nav{display:flex;gap:34px;font-size:13px}.header nav a{padding-block:12px;color:#535752}.header nav a.active,.header nav a:hover{color:var(--red)}.header-phone{display:flex;align-items:center;gap:18px;font-size:13px;letter-spacing:.7px}.header-phone svg{width:17px;height:17px}
.hero{padding-top:55px}.eyebrow{font-size:11px;letter-spacing:1.6px;display:flex;align-items:center;gap:9px;font-weight:500}.brand-dot{width:6px;height:6px;background:var(--red);display:inline-block}.hero-top{display:grid;grid-template-columns:minmax(0,1fr) 245px;gap:50px;align-items:end;margin:27px 0 39px}h1{font-size:clamp(42px,4.4vw,66px);line-height:1.35;font-weight:540;letter-spacing:-2.5px}.hero-aside{padding-bottom:8px}.hero-aside p{font-size:14px;line-height:1.9;color:var(--muted)}.text-link{display:inline-flex;align-items:center;gap:24px;border-bottom:1px solid currentColor;padding:0 0 8px;font-size:13px}.text-link span{font-size:18px}.hero-aside .text-link{margin-top:24px}.brand-photo img{width:100%;height:300px;object-fit:cover;object-position:50% 50%;filter:saturate(.7)}.brand-photo figcaption{display:flex;justify-content:space-between;font-size:10px;letter-spacing:1px;color:var(--muted);margin-top:12px}.hero-bottom{margin-top:28px;display:flex;justify-content:space-between;font-size:11px;color:var(--muted);padding-bottom:33px;border-bottom:1px solid var(--line)}.hero-bottom a>span:last-child{margin-left:25px}.hero-bottom #total-cases{color:var(--ink)}
.case-section{padding-top:96px;padding-bottom:94px}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:32px;margin-bottom:34px}h2{font-size:36px;line-height:1.45;letter-spacing:-1.2px;font-weight:550}.section-heading h2{margin-top:15px}.section-heading>p{font-size:13px;color:var(--muted);padding-bottom:8px}.search-row{display:flex;gap:14px}.search-box{display:flex;align-items:center;gap:14px;border-radius:10px;border:1px solid var(--line);background:var(--white);padding:0 20px;height:54px;flex:1;min-width:0}.search-box svg{flex-shrink:0;color:var(--muted)}.search-box input{border:0;background:none;min-width:0;width:100%;height:100%;font-size:13px}.search-box input:focus{outline:none}.search-box:focus-within{outline:2px solid var(--red);outline-offset:2px}.search-box input::placeholder{color:#858981}.industry-label{flex-shrink:0}.industry-label select{height:54px;border:1px solid var(--line);border-radius:10px;background:var(--white);padding:0 36px 0 18px;font-size:13px;width:160px}.category-tabs{display:flex;gap:27px;overflow-x:auto;margin-top:24px;border-bottom:1px solid var(--line);scrollbar-width:thin;scrollbar-color:#c6c9c1 transparent}.category-tab{position:relative;flex-shrink:0;white-space:nowrap;padding:14px 0 18px;font-size:13px;color:#72766d;border-bottom:2px solid transparent}.category-tab span{font-size:9px;margin-left:6px;vertical-align:super;color:#92958d}.category-tab[aria-pressed=true]{color:var(--ink);border-bottom-color:var(--red)}.category-tab[aria-pressed=true] span{color:var(--red)}.filter-row{display:flex;justify-content:space-between;align-items:center;min-height:55px;font-size:11px;color:var(--muted)}.filter-row b{font-weight:500;color:var(--ink)}.reset{font-size:11px;padding:10px 0;color:var(--red)}
.case-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.case-card{min-width:0;border:1px solid #dedfd9;border-radius:16px;background:var(--white);padding:28px;display:flex;flex-direction:column;box-shadow:0 2px 3px #20222103,0 8px 24px #20222105;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}.card-meta{display:flex;align-items:center;gap:14px;font-size:11px;line-height:1.7;color:var(--muted)}.card-meta>span:last-child{min-width:0;overflow-wrap:anywhere}.case-number{display:grid;place-items:center;flex:0 0 36px;height:36px;border:1px solid #a6382d12;border-radius:10px;background:#faf1ee;font-size:13px;font-weight:500;color:var(--red);font-variant-numeric:tabular-nums}.meta-divider{margin:0 7px;color:#adb1a6}.case-card h3{margin:19px 0 12px;font-size:21px;line-height:1.65;font-weight:550;letter-spacing:-.5px}.case-card h3 button{text-align:left;padding:0;font:inherit}.case-card>p{color:var(--muted);font-size:13px;line-height:1.9;margin-bottom:28px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.card-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-top:auto;padding-top:16px;border-top:1px solid #eeefea}.case-card .tags{flex:1 1 180px;min-width:0;gap:6px}.case-card .tag{padding:5px 9px;border-radius:5px;background:#f5f5f1;font-size:10px;line-height:1.5;overflow-wrap:anywhere;max-width:100%}.case-card .tag:before{content:none}.tags{display:flex;flex-wrap:wrap;gap:7px 12px}.tag{font-size:10px;color:#70766b}.tag:before{content:'#';color:#93988b;margin-right:3px}.card-open{display:flex;gap:12px;align-items:center;flex-shrink:0;margin-left:auto;min-height:40px;padding:3px 0;font-size:11px}.card-open span:last-child{display:grid;place-items:center;width:32px;height:32px;border:1px solid #e5e7df;border-radius:50%;font-size:18px;transition:background .2s,color .2s,border-color .2s}.case-card:focus-within{border-color:#b97970;box-shadow:0 8px 24px #a6382d0c}.pagination{display:flex;align-items:center;flex-direction:column;gap:16px;margin-top:35px}.pagination>span{font-size:10px;color:var(--muted)}.button{display:inline-flex;justify-content:center;align-items:center;gap:30px;min-height:46px;padding:13px 22px;font-size:12px;border:1px solid var(--line)}.button span{font-size:17px}.button.primary{background:var(--ink);border-color:var(--ink);color:white}.button.primary:hover{background:var(--red);border-color:var(--red)}.button.secondary:hover{border-color:var(--ink);color:var(--ink)}.empty-state{grid-column:1/-1;padding:55px 15px;text-align:center;border-top:1px solid var(--line)}.empty-state h3{font-weight:500;font-size:20px}.empty-state p{margin:12px 0 25px;font-size:13px;color:var(--muted)}.loading,.error-note{padding:30px 0;font-size:14px}
.about-section{background:#eeefea;padding:75px 0 79px}.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px}.about-grid h2{margin-top:23px}.about-lead{font-size:22px;line-height:1.7;color:var(--ink)}.about-copy>p:not(.about-lead){font-size:13px;line-height:2;color:var(--muted);max-width:400px;margin-top:20px}.company-name{display:block;font-size:11px;color:var(--muted);margin-top:19px}.approach-line{display:flex;align-items:center;gap:25px;font-size:11px;border-top:1px solid #d3d6cd;margin-top:29px;padding-top:23px}.approach-line i{font-style:normal;color:var(--red)}.contact-section{display:grid;grid-template-columns:1fr 1fr;gap:80px;padding-top:85px;padding-bottom:85px}.contact-intro h2{margin-top:20px}.contact-info{align-self:center;min-width:0}.contact-label{color:var(--muted);font-size:11px;letter-spacing:1px}.contact-number{display:flex;align-items:center;justify-content:space-between;gap:10px;white-space:nowrap;font-size:clamp(26px,3vw,42px);letter-spacing:-1.2px;font-weight:400;margin-top:19px;padding-bottom:17px;border-bottom:1px solid var(--ink)}.contact-number span{font-size:31px}.contact-actions{display:flex;gap:30px;margin-top:22px}.contact-actions .text-link{border:0;font-size:11px;gap:13px}.footer{display:flex;justify-content:space-between;gap:20px;padding-block:28px;border-top:1px solid var(--line);font-size:10px;color:var(--muted)}.mobile-contact{display:none}
dialog{width:min(780px,calc(100% - 40px));max-height:90vh;max-height:90dvh;padding:0;border:1px solid var(--line);color:var(--ink);background:var(--paper);overscroll-behavior:contain}dialog::backdrop{background:rgba(20,24,19,.55);backdrop-filter:blur(5px)}.dialog-top{position:sticky;top:0;display:flex;align-items:center;justify-content:space-between;padding:14px 28px;background:var(--paper);border-bottom:1px solid var(--line);z-index:2}.dialog-top>span{font-size:10px;letter-spacing:1px;color:var(--muted)}.icon-button{font-size:27px;width:40px;height:40px}.detail-body,.brief-body{padding:35px 40px 42px}.detail-meta{display:flex;flex-wrap:wrap;gap:10px;font-size:11px;color:var(--red);margin-bottom:16px}.detail-body h2,.brief-body h2{font-size:28px;letter-spacing:-.8px;line-height:1.55}.detail-summary,.brief-body>p{font-size:14px;color:var(--muted);line-height:1.95;margin:19px 0}.detail-section{border-top:1px solid var(--line);margin-top:29px;padding-top:23px}.detail-section h3{font-size:14px;font-weight:550;margin-bottom:12px}.detail-section p,.detail-section li{font-size:13px;line-height:2;color:#5a6055}.detail-section ul{padding-left:19px;margin:0}.detail-section li{padding-bottom:7px}.metrics{display:flex;flex-wrap:wrap;gap:10px}.metric{padding:10px 14px;border:1px solid var(--line);font-size:12px;line-height:1.7}.detail-note{font-size:11px;color:var(--muted);margin-top:20px}.detail-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}.brief-body form{display:grid;gap:20px;margin-top:27px}.brief-body label{display:grid;gap:10px;font-size:12px}.brief-body input,.brief-body select,.brief-body textarea{border:1px solid var(--line);border-radius:0;padding:13px;background:white;width:100%;font-size:14px;line-height:1.7}.brief-body textarea{resize:vertical}.brief-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:17px}#brief-result>label{margin-top:25px;margin-bottom:10px}.toast{position:fixed;z-index:100;bottom:25px;left:50%;transform:translateX(-50%);background:var(--ink);color:#fff;padding:14px 22px;font-size:13px;max-width:calc(100% - 30px);width:max-content}
@media(min-width:1450px){.hero{padding-top:65px}.hero-top{margin-bottom:44px}.brand-photo img{height:330px}}
@media(max-width:1000px){.shell{width:calc(100% - 56px)}.header nav{gap:24px}.header-phone{gap:10px}.hero-top{grid-template-columns:1fr 210px;gap:30px}h1{font-size:48px;letter-spacing:-2px}.hero-aside p{font-size:13px}.brand-photo img{height:270px}.case-grid{gap:20px}.case-card{padding:24px}.category-tabs{gap:23px}.about-grid,.contact-section{gap:45px}.contact-number{font-size:30px}}
@media(max-width:700px){html{scroll-padding-top:82px}.shell{width:calc(100% - 40px)}.header-inner{height:68px;gap:15px}.brand{gap:8px}.brand img{width:26px;height:26px}.brand strong{font-size:20px}.brand strong span{font-size:19px}.header nav{margin-left:auto;gap:19px;font-size:11px}.header nav a:last-child{display:none}.header-phone{display:none}.hero{padding-top:36px}.eyebrow{font-size:9px;letter-spacing:1.1px}.hero-top{display:block;margin:24px 0 28px}h1{font-size:clamp(32px,7.9vw,49px);line-height:1.5;letter-spacing:-1.6px}.hero-aside{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-top:23px;padding:0}.hero-aside p{font-size:11px;line-height:1.85}.hero-aside .text-link{margin:0 0 3px;gap:17px;font-size:11px;white-space:nowrap}.brand-photo img{height:auto;aspect-ratio:1433/540;object-fit:contain}.brand-photo figcaption{font-size:8px;letter-spacing:.4px;margin-top:10px;gap:10px}.hero-bottom{font-size:9px;margin-top:23px;padding-bottom:25px}.hero-bottom a>span:last-child{margin-left:8px}.case-section{padding-top:51px;padding-bottom:55px}.section-heading{display:block;margin-bottom:23px}h2{font-size:28px;letter-spacing:-.8px}.section-heading h2{margin-top:12px}.section-heading>p{font-size:11px;margin-top:10px;padding:0}.search-row{gap:8px}.search-box{height:48px;padding:0 12px;gap:9px}.search-box input{font-size:12px}.industry-label select{height:48px;width:107px;padding:0 7px;font-size:11px}.category-tabs{gap:22px;margin-top:14px;margin-right:-20px;padding-right:20px;scrollbar-width:none}.category-tabs::-webkit-scrollbar{display:none}.category-tab{font-size:12px;padding-bottom:15px}.category-tab span{font-size:8px}.filter-row{min-height:48px;font-size:10px}.case-grid{grid-template-columns:1fr;gap:16px}.case-card{padding:22px 20px;border-radius:14px}.card-meta{font-size:10px;gap:12px}.case-number{font-size:12px;flex-basis:32px;height:32px;border-radius:9px}.case-card h3{font-size:19px;margin-top:15px;margin-bottom:11px;line-height:1.65}.case-card>p{font-size:12px;margin-bottom:17px}.card-open{padding:3px 0;font-size:11px;min-height:44px}.card-bottom{padding-top:13px;gap:9px}.case-card .tags{flex-basis:150px}.case-card .tag{font-size:10px;padding:4px 7px}.tag{font-size:9px}.pagination{margin-top:22px}.button{font-size:12px;min-height:46px}.about-section{padding:45px 0}.about-grid{grid-template-columns:1fr;gap:29px}.about-grid h2{margin-top:15px}.about-lead{font-size:20px}.about-copy>p:not(.about-lead){font-size:12px;margin-top:15px}.approach-line{gap:22px;font-size:10px;margin-top:23px;padding-top:20px}.contact-section{grid-template-columns:1fr;gap:30px;padding-block:48px}.contact-intro h2{margin-top:14px}.contact-number{font-size:34px;margin-top:14px}.contact-number span{font-size:27px}.contact-actions{margin-top:17px}.footer{flex-wrap:wrap;font-size:9px;gap:14px 20px;padding-bottom:calc(100px + env(safe-area-inset-bottom));padding-top:24px}.footer>span:nth-child(2){order:3;flex-basis:100%}.mobile-contact{display:grid;grid-template-columns:90px 1fr;position:fixed;bottom:0;left:0;right:0;background:var(--paper);z-index:25;border-top:1px solid var(--line);padding:10px 20px calc(10px + env(safe-area-inset-bottom));gap:14px}.mobile-contact>a:first-child{display:flex;align-items:center;font-size:12px;justify-content:center}.mobile-call{display:grid;grid-template-columns:1fr auto;align-items:center;background:var(--ink);color:white!important;padding:9px 15px;column-gap:10px}.mobile-call>span:first-child{font-size:11px}.mobile-call small{font-size:10px;color:#c6cbc0;grid-column:1;letter-spacing:1px;margin-top:3px}.mobile-call>span:last-child{grid-row:1/3;grid-column:2;font-size:22px}.toast{bottom:calc(92px + env(safe-area-inset-bottom));font-size:12px}.dialog-top{padding:8px 17px}.dialog-top>span{font-size:9px}.detail-body,.brief-body{padding:26px 23px 30px}.detail-body h2,.brief-body h2{font-size:23px}.detail-summary,.brief-body>p{font-size:13px}.detail-actions .button{padding:12px 15px;font-size:11px}.brief-body input,.brief-body select,.brief-body textarea{font-size:16px}.detail-meta{font-size:10px;gap:7px}}
@media(max-width:360px){.header nav{gap:12px}.hero-aside{gap:10px}.hero-aside .text-link{gap:9px}.search-box input{font-size:11px}.search-box svg{width:16px}.contact-number{font-size:30px}.hero-bottom{font-size:8px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.footer-wechat{display:flex;flex-direction:column;align-items:center;padding:0 0 40px}.wechat-label{font-size:13px;letter-spacing:1px;margin-bottom:17px;color:var(--muted)}.qr-widget{position:relative;width:180px;text-align:center}.qr-trigger{display:flex;flex-direction:column;align-items:center;width:100%;padding:0;gap:12px;font-size:12px;color:var(--ink)}.qr-thumbnail{display:block;width:120px;padding:9px;background:#fff;border:1px solid var(--line);border-radius:12px;transition:border-color .15s,box-shadow .15s}.qr-thumbnail img{width:100%;height:auto}.qr-trigger[aria-expanded=true] .qr-thumbnail{border-color:#18a36c;box-shadow:0 0 0 2px #18a36c}.qr-trigger small{font-size:10px;color:var(--muted);margin-top:-5px}.qr-trigger .qr-hint-touch,.qr-mobile-note{display:none}.qr-popover{position:absolute;bottom:calc(100% + 14px);left:50%;transform:translateX(-50%);width:294px;padding:28px 24px 24px;border:1px solid #e2e5df;border-radius:18px;background:#fff;box-shadow:0 18px 55px #1c271d24;z-index:30}.qr-popover:before{content:'';position:absolute;inset:auto 0 -18px;height:18px}.qr-popover:after{content:'';position:absolute;left:50%;bottom:-9px;width:16px;height:16px;background:white;border-right:1px solid #e2e5df;border-bottom:1px solid #e2e5df;transform:translateX(-50%) rotate(45deg)}.qr-large{width:100%;height:auto;object-fit:contain;user-select:auto;-webkit-touch-callout:default}.qr-popover h3{font-weight:550;font-size:18px;margin-top:17px}.qr-popover p{font-size:12px;color:var(--muted);margin-top:9px}.qr-close{position:absolute;top:1px;right:3px;width:28px;height:28px;font-size:22px;color:var(--muted);line-height:1}.qr-close:hover{color:var(--ink)}
@media(max-width:700px){.footer-wechat{padding:0 0 35px}.qr-popover{width:min(294px,calc(100vw - 40px));padding:29px 24px 22px}.qr-popover h3{font-size:17px}.qr-popover p{font-size:12px}.qr-mobile-note{display:block;font-size:10px;line-height:1.7;color:var(--muted);margin-top:10px}.qr-trigger .qr-hint-desktop{display:none}.qr-trigger .qr-hint-touch{display:block}.qr-close{width:36px;height:32px}.qr-thumbnail{width:116px}}
@media(hover:none){.qr-trigger .qr-hint-desktop{display:none}.qr-trigger .qr-hint-touch{display:block}.qr-mobile-note{display:block;font-size:10px;line-height:1.7;color:var(--muted);margin-top:10px}}
@media(max-width:700px){.qr-popover{position:fixed;top:50%;bottom:auto;transform:translate(-50%,-50%);max-height:calc(100dvh - 120px);overflow-y:auto}.qr-popover:before,.qr-popover:after{display:none}}
@media(prefers-reduced-motion:reduce){.qr-thumbnail{transition:none}}

@media(hover:hover) and (min-width:701px){.case-card:hover{transform:translateY(-3px);border-color:#c8b4ac;box-shadow:0 12px 30px #2022210d}.case-card:hover .card-open span:last-child{background:var(--red);border-color:var(--red);color:white}}
@media(max-width:360px){.case-card{padding:20px 17px}.case-card .tags{flex-basis:100%}.card-bottom{gap:5px}}
@media(prefers-reduced-motion:reduce){.case-card,.card-open span:last-child{transition:none}.case-card:hover{transform:none}}