/* ABOUT US: warm-paper editorial chapter; no oversized brush ring on inner pages */
.ab-hero{position:relative;background:#f8f7f3;overflow:hidden;min-height:clamp(780px,calc(100svh - 94px),1040px);display:flex;flex-direction:column;justify-content:center}
.ab-hero:before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at 72% 39%,#fffdf8 0,transparent 58%);pointer-events:none}
.ab-hero-grid{position:relative;display:grid;grid-template-columns:1.08fr .92fr;min-height:690px;align-items:center;gap:2vw}
.ab-hero-copy{padding:115px 0 120px;position:relative;z-index:2}
.ab-label-line{color:#a9a19b;letter-spacing:.23em;font:11px Georgia,serif;display:block;margin-top:38px}
.ab-hero h1{font:500 clamp(46px,4.7vw,76px)/1.57 var(--serif);letter-spacing:.025em;margin:45px 0 36px;white-space:nowrap}
.ab-hero-lead{color:#514b46;font:400 clamp(17px,1.45vw,21px)/2.2 var(--serif);max-width:650px;letter-spacing:.025em}
.ab-hero-bottom{display:flex;align-items:center;gap:35px;margin-top:55px}
.ab-hero-bottom>span{color:#8b8179;font:12px/1.9 var(--sans)}
.ab-hero-art{height:min(64vw,610px);min-height:530px;position:relative;align-self:stretch;overflow:hidden;background:linear-gradient(142deg,#f1eee7 1%,#e9e7e1 43%,#dcdedb 100%);border-left:1px solid #e6e1da}
.ab-hero-art:before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(90deg,transparent 0 77px,rgba(88,87,81,.09) 78px,transparent 79px),repeating-linear-gradient(0deg,transparent 0 77px,rgba(88,87,81,.07) 78px,transparent 79px);mask-image:linear-gradient(to bottom,transparent,black 20%,black 75%,transparent)}
.ab-art-caption{position:absolute;z-index:4;top:41px;left:39px;color:#776e67;font:10px Georgia,serif;letter-spacing:.23em}
.ab-art-building{position:absolute;bottom:-5%;width:35%;height:70%;box-shadow:-18px 12px 42px rgba(85,81,74,.08);background:linear-gradient(130deg,rgba(255,255,255,.74),rgba(169,177,172,.55));transform:skewY(-12deg)}
.ab-art-building.one{left:5%;height:50%;background:linear-gradient(110deg,#f0e9df,#cfd4d0)}
.ab-art-building.two{left:34%;height:86%;background:linear-gradient(115deg,#e9e7de,#afb7b3 85%);clip-path:polygon(0 10%,100% 0,100% 100%,0 100%)}
.ab-art-building.three{left:72%;height:62%;background:linear-gradient(130deg,#e4e6e0,#c4cac5)}
.ab-art-building:after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(90deg,transparent 0 18px,rgba(84,92,89,.12) 19px,transparent 20px)}
.ab-art-planes{position:absolute;inset:0}.ab-art-planes span{position:absolute;display:block;background:rgba(248,246,242,.5);border:1px solid rgba(255,255,255,.5);transform:rotate(-27deg)}
.ab-art-planes span:nth-child(1){width:230px;height:65px;right:-70px;top:30%}.ab-art-planes span:nth-child(2){width:270px;height:28px;left:-70px;bottom:30%;opacity:.4}.ab-art-planes span:nth-child(3){width:110px;height:120px;right:28%;top:11%;opacity:.18}
.ab-art-axis{position:absolute;right:14%;top:10%;height:68%;width:2px;background:linear-gradient(#b71920 0%,#b71920 25%,transparent 25%,transparent 100%);opacity:.78}
.ab-art-word{position:absolute;bottom:37px;right:-10px;font:600 clamp(29px,3.8vw,61px)/1 var(--sans);letter-spacing:.19em;color:rgba(255,255,255,.7);white-space:nowrap}
.ab-hero-foot{position:relative;z-index:4;display:flex;justify-content:space-between;align-items:center;padding:0 0 37px;color:#a29a92;font:10px Georgia,serif;letter-spacing:.18em}.ab-hero-foot span:last-child{display:flex;gap:15px;align-items:center}.ab-hero-foot i{width:38px;height:1px;background:#b9afa6}
.ab-intro-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(80px,10vw,160px)}.ab-intro .ab-sticky-heading{position:relative}.ab-intro-copy{padding-top:20px}.ab-intro-copy>p:not(.lead-para){color:var(--body);font-size:16px;line-height:2.36;margin-top:31px;letter-spacing:.035em}.ab-intro-copy blockquote{font:500 clamp(27px,2.35vw,39px)/1.82 var(--serif);margin:66px 0 0;padding:26px 0 30px 32px;border-left:3px solid var(--red);letter-spacing:.04em}.ab-side-caption{color:#a59c95;font:11px/1.8 Georgia,serif;letter-spacing:.22em;margin-top:95px}
.ab-manifesto{background:#292d2d;color:#fffdf9;padding:clamp(140px,13vw,210px) 0;position:relative;overflow:hidden}.ab-manifesto:before{content:"";position:absolute;inset:0;opacity:.5;background:linear-gradient(120deg,transparent 0 50%,rgba(140,157,150,.1) 50% 65%,transparent 65%),repeating-linear-gradient(90deg,transparent 0 150px,rgba(255,255,255,.03) 151px,transparent 152px)}.ab-manifesto-grid{position:relative;display:grid;grid-template-columns:180px 1fr;gap:70px}.ab-manifesto-index>span{display:block;font:500 108px/.9 Georgia,serif;color:#626869;margin-bottom:48px}.ab-manifesto-index .eyebrow{color:#d57e7f}.ab-manifesto-main h2{font:500 clamp(43px,4.2vw,72px)/1.65 var(--serif);letter-spacing:.06em;margin:0 0 79px}.ab-manifesto-main h2 span{color:#ddd3c5}.ab-manifesto-columns{display:grid;grid-template-columns:1fr 1fr;gap:70px}.ab-manifesto-columns>div{border-top:1px solid #767b79;padding-top:30px}.ab-mini-title{color:#d99090;font:11px/1.7 Georgia,serif;letter-spacing:.16em}.ab-manifesto-columns h3{font:500 25px/1.7 var(--serif);margin:25px 0}.ab-manifesto-columns p{color:#d0d1cc;font-size:15px;line-height:2.35}
.ab-perspective{background:var(--paper-2)}.ab-perspective-head{margin-bottom:95px}.ab-perspective-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.ab-lens-card{background:#fffdfa;border:1px solid #e1dcd3;padding:38px 33px 35px;min-height:555px;display:flex;flex-direction:column}.ab-lens-top{display:flex;justify-content:space-between;gap:15px;color:#b71920;font:12px Georgia,serif;letter-spacing:.12em}.ab-lens-top span:last-child{color:#97908a}.ab-lens-glyph{height:160px;position:relative;margin:30px -10px 12px;overflow:hidden;background:repeating-linear-gradient(90deg,transparent 0 25px,#e7e9e4 26px,transparent 27px),repeating-linear-gradient(0deg,transparent 0 25px,#e7e9e4 26px,transparent 27px)}.ab-lens-glyph i{position:absolute;display:block;border:1.5px solid #859591;background:#f3f5f1}.glyph-tech i:nth-child(1){width:86px;height:86px;top:37px;left:29%}.glyph-tech i:nth-child(2){width:42px;height:42px;top:0;left:54%;background:#dce5df}.glyph-tech i:nth-child(3){width:60px;height:20px;bottom:10px;left:52%;border-color:var(--red)}.glyph-tech i:nth-child(4){width:24px;height:24px;bottom:12px;left:18%}.glyph-people i:nth-child(1),.glyph-people i:nth-child(2),.glyph-people i:nth-child(3){height:104px;width:46px;border-radius:32px 32px 0 0;bottom:0}.glyph-people i:nth-child(1){left:23%;background:#d9e1dc}.glyph-people i:nth-child(2){left:44%;height:140px;background:#b5c5bd}.glyph-people i:nth-child(3){left:65%;height:86px;border-color:var(--red)}.glyph-process i{width:58px;height:52px;border-radius:2px;top:50px}.glyph-process i:nth-child(1){left:8%}.glyph-process i:nth-child(2){left:36%;background:#c9d4ce}.glyph-process i:nth-child(3){left:64%;border-color:var(--red)}.glyph-process i:nth-child(4){top:73px;left:10%;width:76%;height:2px;border:0;background:#899991}.ab-lens-card h3{font:500 clamp(22px,2vw,28px)/1.6 var(--serif);margin:21px 0 20px}.ab-lens-card p{font-size:15px;line-height:2.25;color:var(--body);flex:1}.ab-lens-foot{font-size:12px;color:#a34748;border-top:1px solid var(--line);margin-top:30px;padding-top:24px;line-height:2}.ab-editor-note{font-size:12px;line-height:1.9;color:#8a827b;margin-top:32px}
.ab-values-heading{display:grid;grid-template-columns:1fr 340px;gap:100px;align-items:end;margin-bottom:85px}.ab-values-heading>p{color:var(--body);font-size:15px;line-height:2.25;padding-bottom:10px}.ab-values-list{border-top:1px solid #cbc3b9}.ab-value{display:grid;grid-template-columns:190px 195px 1fr;gap:30px;padding:47px 12px;border-bottom:1px solid var(--line);align-items:start}.ab-value span{font:12px Georgia,serif;letter-spacing:.13em;color:var(--red);padding-top:9px}.ab-value h3{font:500 28px/1.5 var(--serif);margin:0}.ab-value p{font-size:15px;line-height:2.28;color:var(--body);max-width:630px}
.ab-quote-panel{background:linear-gradient(120deg,#e1e5df 0%,#f2f0e9 47%,#e6e4dd 100%);overflow:hidden;position:relative}.ab-quote-panel:before{content:"";position:absolute;inset:-30% -2% auto 55%;height:120%;background:repeating-linear-gradient(-24deg,rgba(70,82,78,.07) 0 2px,transparent 2px 70px);transform:skewX(-12deg);pointer-events:none}.ab-quote-inner{padding:145px 0 165px;position:relative}.ab-quote-tag{font:12px Georgia,serif;letter-spacing:.26em;color:var(--red)}.ab-quote-inner h2{font:500 clamp(40px,4.1vw,68px)/1.75 var(--serif);letter-spacing:.07em;margin:35px 0 40px;position:relative;z-index:2}.ab-quote-inner p{font-size:16px;line-height:2.3;max-width:570px;color:#5b5752;position:relative;z-index:2}.ab-quote-watermark{font:600 clamp(120px,20vw,330px)/1 var(--sans);letter-spacing:-.09em;color:#ffffff99;position:absolute;right:-10%;bottom:1%;z-index:1;pointer-events:none}
/* 關於我們 / 工作方法：偶數列使用略深暖灰，奇數列維持原色 */
.ab-approach-row:nth-child(even){background-color:#ebe8e1}
.ab-approach-rows{border-top:1px solid #ccc3b9}.ab-approach-row{display:grid;grid-template-columns:115px 250px 1fr;gap:38px;padding:49px 10px;border-bottom:1px solid #dbd3c9}.ab-ap-num{font:500 37px Georgia,serif;color:#b71920}.ab-ap-en{font:11px Georgia,serif;color:#9d958b;letter-spacing:.15em}.ab-approach-row h3{font:500 26px/1.5 var(--serif);margin:16px 0 0}.ab-approach-row p{font-size:15px;color:var(--body);line-height:2.3;max-width:720px}
.ab-profile-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:clamp(85px,8vw,140px)}.ab-profile-side>p{font-size:15px;line-height:2.25;color:var(--body);margin-top:45px}.ab-profile-english{font:clamp(34px,4vw,62px)/1.2 Georgia,serif;letter-spacing:.02em;color:#e4e0da;margin-top:80px}.ab-profile-alert{padding:20px 24px;margin-bottom:24px;background:#f5f1e9;border-left:3px solid #b71920;display:flex;align-items:center;gap:20px}.ab-profile-alert strong{font-size:14px;color:#ad2830;white-space:nowrap}.ab-profile-alert span{font-size:13px;line-height:1.8;color:#77716c}.ab-profile-table{margin:0;border-top:1px solid #d7cec4}.ab-profile-table>div{display:grid;grid-template-columns:152px 1fr;gap:28px;padding:25px 15px;border-bottom:1px solid #e5ded6;font-size:15px;line-height:1.9}.ab-profile-table dt{color:#756e66;font-weight:600}.ab-profile-table dd{margin:0;color:#383431}.ab-profile-table dd:not(:first-child){}.ab-profile-table em{font-size:12px;color:#a09991;font-style:normal;margin-left:12px}.ab-profile-footnote{font-size:12px;color:#938b85;margin-top:27px;line-height:2}
.ab-end{background:#f1eee7;border-top:1px solid #ded9d0;text-align:center;position:relative}.ab-end-inner{padding:clamp(140px,12vw,210px) 0}.ab-end-inner h2{font:500 clamp(35px,3.45vw,56px)/1.75 var(--serif);margin:34px 0}.ab-end-inner>p{font-size:16px;line-height:2.3;color:var(--body);max-width:580px;margin:0 auto 42px}.ab-end-actions{display:flex;align-items:center;justify-content:center;gap:45px;flex-wrap:wrap}
@media(max-width:1140px){.ab-hero h1{font-size:clamp(43px,4.5vw,59px)}.ab-hero-grid{grid-template-columns:1fr .85fr}.ab-value{grid-template-columns:160px 135px 1fr}.ab-manifesto-grid{grid-template-columns:115px 1fr;gap:45px}.ab-perspective-grid{gap:17px}.ab-lens-card{padding-inline:24px}}
@media(max-width:980px){.ab-hero{min-height:0}.ab-hero-grid{display:flex;flex-direction:column;gap:0}.ab-hero-copy{width:100%;padding:100px 0 75px}.ab-hero h1{font-size:clamp(44px,6.8vw,70px)}.ab-hero-art{width:100%;min-height:0;height:360px;align-self:auto}.ab-hero-foot{padding-top:30px}.ab-intro-grid,.ab-profile-grid{grid-template-columns:1fr;gap:70px}.ab-side-caption,.ab-profile-english{display:none}.ab-intro-copy{padding-top:0}.ab-manifesto-grid{grid-template-columns:1fr;gap:50px}.ab-manifesto-index{display:flex;align-items:center;gap:30px}.ab-manifesto-index>span{font-size:74px;margin:0}.ab-perspective-grid{grid-template-columns:1fr 1fr}.ab-lens-card{min-height:515px}.ab-perspective-grid .ab-lens-card:last-child{grid-column:1/-1;min-height:0}.ab-perspective-grid .ab-lens-card:last-child .ab-lens-glyph{max-width:460px}.ab-values-heading{grid-template-columns:1fr;gap:35px}.ab-value{grid-template-columns:130px 150px 1fr;gap:22px}.ab-approach-row{grid-template-columns:90px 185px 1fr;gap:22px}}
@media(max-width:650px){.ab-hero-copy{padding:78px 0 65px}.ab-label-line{margin-top:22px;font-size:9px}.ab-hero h1{font-size:clamp(32px,8.5vw,48px);margin:29px 0;white-space:normal;line-height:1.55}.ab-hero-lead{font-size:16px;line-height:2.2}.ab-desktop-break{display:none}.ab-hero-bottom{align-items:flex-start;flex-direction:column;gap:19px;margin-top:33px}.ab-hero-bottom>span{font-size:11px}.ab-hero-art{height:290px}.ab-art-caption{top:20px;left:20px;font-size:9px}.ab-art-word{bottom:22px;font-size:34px}.ab-hero-foot{font-size:8px;gap:20px}.ab-hero-foot span:last-child{display:none}.ab-intro-copy>p:not(.lead-para){font-size:15px}.ab-intro-copy blockquote{font-size:25px;margin-top:50px}.ab-manifesto{padding:110px 0}.ab-manifesto-main h2{font-size:40px;margin-bottom:50px}.ab-manifesto-columns{grid-template-columns:1fr;gap:42px}.ab-manifesto-columns h3{font-size:23px}.ab-perspective-grid{grid-template-columns:1fr;gap:20px}.ab-lens-card,.ab-perspective-grid .ab-lens-card:last-child{grid-column:auto;min-height:0}.ab-lens-glyph{height:150px}.ab-values-list{margin-top:0}.ab-value{grid-template-columns:1fr;gap:10px;padding:37px 3px}.ab-value h3{font-size:25px}.ab-value p{font-size:14px}.ab-quote-inner{padding:110px 0 120px}.ab-quote-inner h2{font-size:34px}.ab-quote-inner p{font-size:15px}.ab-quote-watermark{font-size:120px}.ab-approach-row{grid-template-columns:55px 1fr;gap:5px 20px;padding:35px 0}.ab-ap-num{font-size:31px}.ab-approach-row>p{grid-column:2;margin-top:13px}.ab-approach-row h3{font-size:23px}.ab-profile-grid{gap:45px}.ab-profile-table>div{grid-template-columns:100px 1fr;gap:15px;padding:22px 3px;font-size:14px}.ab-profile-table em{display:block;margin:3px 0 0}.ab-profile-alert{flex-direction:column;align-items:flex-start;gap:6px}.ab-end-inner h2{font-size:32px}.ab-end-inner>p{font-size:15px}.ab-end-actions{gap:27px;flex-direction:column}}

/* V5: values and methods alternate white / slightly deeper warm-grey, responsive throughout. */
.ab-value:nth-child(even),
.ab-approach-row:nth-child(even){background:#e5e0d7;}
.ab-value:nth-child(odd),
.ab-approach-row:nth-child(odd){background:transparent;}
.ab-value{padding-left:clamp(14px,2.2vw,32px);padding-right:clamp(14px,2.2vw,32px);transition:background .2s ease;}
.ab-approach-row{padding-left:clamp(14px,2.2vw,32px);padding-right:clamp(14px,2.2vw,32px);transition:background .2s ease;}
@media(max-width:650px){.ab-value,.ab-approach-row{padding-left:15px;padding-right:15px}}