:root{--paper:#f8faf8;--ink:#183b36;--muted:#526862;--lake:#b6e5da;--lake-hover:#a3ddcf;--deep:#165d51;--deep-hover:#0e493f;--surface:#edf3ef;--line:#d8e5df;--side:clamp(24px,5.55vw,80px);--ease:cubic-bezier(.16,1,.3,1);color-scheme:light}
*{box-sizing:border-box}html{scroll-behavior:smooth;scrollbar-color:#80b7a9 var(--paper)}body{margin:0;background:var(--paper);color:var(--ink);font-family:'Kuwent Sans','Segoe UI','Microsoft YaHei',sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none;text-underline-offset:6px}button{font:inherit}a,button{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible{outline:3px solid var(--deep);outline-offset:5px}::selection{background:var(--deep);color:white}svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.7;flex-shrink:0;stroke-linecap:round;stroke-linejoin:round}p,h1,h2{margin:0}.skip{position:absolute;left:20px;top:-100px;background:white;padding:16px;z-index:5}.skip:focus{top:10px}
.site-head{height:112px;max-width:1440px;margin:auto;padding:0 var(--side);display:flex;align-items:center;justify-content:space-between;gap:32px}.brand{display:flex;align-items:center;gap:16px}.brand img{width:46px;height:56px;object-fit:cover;object-position:top;border-radius:15px}.brand-name{display:flex;align-items:baseline;gap:14px;font-weight:700;font-size:23px;letter-spacing:-.025em}.brand-name span{font-size:18px;font-weight:500;color:var(--muted);letter-spacing:0}nav{display:flex;align-items:center;gap:36px;font-size:15px}nav a{min-height:44px;display:flex;align-items:center}nav a:hover{color:var(--deep);text-decoration:underline}.download{gap:12px}.download svg{width:20px}
main{max-width:1440px;margin:auto}.hero{padding:58px var(--side) 65px}.role{font-size:18px;font-weight:500;color:var(--muted);margin-bottom:28px;display:flex;align-items:center;gap:16px}.role span{color:#7b948b;font-size:14px}.hero h1{font-size:clamp(48px,6.1vw,88px);font-weight:700;line-height:1.23;letter-spacing:-.04em}.hero-bottom{display:flex;align-items:center;justify-content:space-between;gap:40px;margin-top:36px}.intro{font-size:17px;line-height:1.9;color:var(--muted)}.primary{display:inline-flex;align-items:center;justify-content:space-between;gap:40px;min-height:58px;padding:17px 25px;background:var(--deep);color:#fff;border-radius:999px;font-size:16px;white-space:nowrap;transition:background 180ms,transform 180ms var(--ease)}.primary svg{transition:transform 180ms var(--ease)}.primary:hover{background:var(--deep-hover);transform:translateY(-2px)}.primary:hover svg{transform:translateX(3px)}.primary:active{transform:translateY(0)}
.capability{margin:0 var(--side);padding:19px 30px 31px;border-radius:32px;background:var(--lake);color:var(--ink)}.cap-tabs{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.cap-tabs button{appearance:none;border:0;cursor:pointer;background:transparent;color:#355d53;text-align:center;padding:15px 18px;font-size:19px;font-weight:500;border-radius:18px;min-height:58px;transition:background 180ms,color 180ms,transform 180ms var(--ease)}.cap-tabs button[aria-selected=true]{background:#f7fcf9;color:#154f44}.cap-tabs button:hover{background:#cceee4}.cap-tabs button[aria-selected=true]:hover{background:#f7fcf9}.cap-tabs button:active{transform:scale(.98)}#cap-panel{padding:32px 17px 0;display:flex;align-items:end;justify-content:space-between;gap:35px;min-height:132px}#cap-title{font-size:25px;line-height:1.45;font-weight:700;letter-spacing:-.02em}#cap-copy{font-size:16px;line-height:1.8;margin-top:10px;color:#355d53}#cap-link{display:flex;align-items:center;gap:24px;font-size:15px;white-space:nowrap;min-height:44px}#cap-link svg{background:#edf9f3;box-sizing:content-box;border-radius:50%;padding:10px;transition:transform 180ms var(--ease),background 180ms}#cap-link:hover svg{transform:translateX(3px);background:white}
.practice{padding:92px var(--side) 68px;display:grid;grid-template-columns:.85fr 1.55fr;gap:48px;scroll-margin-top:30px}.practice-intro{padding-top:20px}.practice h2{font-size:30px;line-height:1.45;letter-spacing:-.025em}.practice-intro p{font-size:16px;line-height:1.9;margin-top:20px;color:var(--muted)}.practice-links{display:grid;grid-template-columns:1fr 1fr;gap:20px}.case-preview{display:flex;flex-direction:column;align-items:stretch;padding:28px 26px 22px;border-radius:24px;min-height:286px;transition:background 180ms,transform 280ms var(--ease);background:var(--surface)}.ads-preview{background:#e4f0ea}.case-preview:hover{background:#dbece3;transform:translateY(-4px)}.case-label{font-size:14px;color:var(--muted)}.result{font-size:52px;line-height:1.2;letter-spacing:-.035em;margin-top:27px;font-weight:700;color:var(--deep);font-variant-numeric:tabular-nums}.result span{display:block;font-size:15px;line-height:1.6;letter-spacing:0;font-weight:500;margin-top:8px;color:var(--ink)}.tool-title{font-size:29px;line-height:1.4;letter-spacing:-.025em;margin-top:25px;font-weight:700}.scope{display:block;margin-top:14px;font-size:13px;color:var(--muted);line-height:1.8}.case-action{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-top:auto;padding-top:24px;font-size:14px}.case-action svg{width:20px;height:20px;transition:transform 180ms var(--ease)}.case-preview:hover .case-action svg{transform:translate(2px,-2px)}footer{max-width:1440px;margin:auto;padding:20px var(--side) 40px;display:flex;align-items:center;gap:28px;font-size:14px;color:var(--muted)}footer a:last-child{margin-left:auto}footer a:hover{text-decoration:underline}
.case-dialog{border-radius:24px;color:var(--ink)}.case-dialog::backdrop{background:#133d35a6}.case-dialog header{background:var(--paper)}.case-dialog header button{border-radius:999px;background:#e4f0ea;color:var(--ink)}.case-body .case-role{background:#eaf5ef;border-radius:14px}.case-body .case-metrics strong,.case-body a{color:var(--deep)}.case-dialog :focus-visible{outline-color:var(--deep)}.case-body img{border-radius:14px}.case-body .case-period,.case-body .case-note{color:var(--muted)}
@media(min-width:1600px){.hero{padding-top:76px;padding-bottom:76px}.hero h1{font-size:92px}}
@media(max-width:1100px){.hero{padding-top:46px}.hero h1{font-size:clamp(48px,7.3vw,78px)}.hero-bottom{gap:30px}.intro{font-size:16px}.primary{font-size:15px;gap:28px}.capability{padding:17px 20px 28px}.cap-tabs{gap:7px}.cap-tabs button{font-size:17px;padding:14px 8px}#cap-panel{padding:27px 10px 0;gap:22px}#cap-title{font-size:23px}#cap-copy{font-size:15px}.practice{grid-template-columns:1fr;gap:30px;padding-top:66px}.practice-intro{display:flex;justify-content:space-between;align-items:center;gap:30px}.practice-intro p{margin-top:0}.case-preview{min-height:284px}.practice-links{gap:22px}}
@media(max-width:700px){:root{--side:24px}.site-head{height:94px;gap:20px}.brand{gap:12px}.brand img{width:38px;height:48px;border-radius:13px}.brand-name{font-size:21px;display:block}.brand-name span{font-size:13px;display:block;margin-top:3px}nav{gap:0}nav a:not(.download){display:none}.download{font-size:14px;gap:9px}.hero{padding-top:35px;padding-bottom:40px}.role{font-size:15px;gap:10px;margin-bottom:23px}.role span{font-size:12px}.hero h1{font-size:clamp(34px,9.2vw,58px);line-height:1.32;letter-spacing:-.035em}.hero-bottom{display:block;margin-top:26px}.intro{font-size:15px;line-height:1.9}.primary{margin-top:26px;font-size:15px;min-height:53px;padding:14px 21px;gap:30px}.capability{border-radius:26px;padding:14px 14px 23px}.cap-tabs{grid-template-columns:1fr 1fr;gap:6px}.cap-tabs button{font-size:16px;min-height:49px;padding:11px 6px;border-radius:15px}#cap-panel{display:block;padding:24px 9px 0;min-height:207px}#cap-title{font-size:21px}#cap-copy{font-size:14px;line-height:1.9;margin-top:10px}#cap-link{margin-top:17px;justify-content:space-between;font-size:14px}#cap-link svg{padding:8px;width:20px;height:20px}.practice{padding-top:50px;padding-bottom:35px;gap:25px}.practice-intro{display:block;padding:0}.practice h2{font-size:26px}.practice-intro p{font-size:15px;margin-top:14px}.practice-intro br{display:none}.practice-links{grid-template-columns:1fr;gap:15px}.case-preview{min-height:268px;padding:24px;border-radius:23px}.case-label{font-size:14px}.result{font-size:48px;margin-top:22px}.tool-title{font-size:28px;margin-top:20px}.case-action{padding-top:21px}.scope{margin-top:12px}footer{flex-wrap:wrap;gap:15px 24px;font-size:13px;padding-top:16px;padding-bottom:32px}footer a:last-child{margin-left:0;width:100%}}
@media(max-width:360px){:root{--side:20px}.brand-name{font-size:19px}.brand img{width:34px;height:43px}.download{font-size:13px;gap:7px}.hero h1{font-size:33px}.role{font-size:14px;gap:7px}.intro{font-size:14px}.capability{padding-left:12px;padding-right:12px}.cap-tabs button{font-size:15px}#cap-panel{padding-left:6px;padding-right:6px}#cap-title{font-size:19px}.practice h2{font-size:25px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}.primary:hover,.primary:hover svg,.case-preview:hover,.case-preview:hover .case-action svg,#cap-link:hover svg,.cap-tabs button:active{transform:none}}