:root{
  --paper:#f4f7f4;
  --white:#ffffff;
  --soft:#e9f0ea;
  --ink:#0b1a15;
  --body:#33463f;
  --muted:#46594f;
  --brand:#055f49;
  --brand-deep:#033b2e;
  --mint:#7fd4b8;
  --line:#d7e1db;
  --line-strong:#b9c8c0;
  --sans:"Inter","PingFang SC","Hiragino Sans GB","Noto Sans SC","Microsoft YaHei",sans-serif;
  --mono:"IBM Plex Mono","PingFang SC","Microsoft YaHei",monospace;
  --pad:clamp(20px,5vw,72px);
  --section:clamp(72px,8.5vw,124px);
  --ease:cubic-bezier(.22,.72,.24,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{margin:0;padding:0}
body{background:var(--paper);color:var(--body);font-family:var(--sans);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
h1,h2,h3,h4,p,figure,dl,dd{margin:0}
ol,ul{margin:0;padding:0;list-style:none}
::selection{background:var(--brand);color:#fff}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px}
.wrap{width:100%;max-width:1440px;margin:0 auto;padding-left:var(--pad);padding-right:var(--pad)}
main{scroll-margin-top:80px}
.skip{position:absolute;left:-9999px;top:0;z-index:200;background:var(--brand);color:#fff;padding:12px 18px}
.skip:focus{left:16px;top:16px}
.mono{font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase}

.site-header{position:sticky;top:0;z-index:80;background:var(--white);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:32px;height:80px}
.brand{display:flex;align-items:center;gap:12px;flex:none}
.brand__logo{height:52px;width:auto}
.brand__text{display:flex;flex-direction:column;line-height:1.1}
.brand__name{font-size:17px;font-weight:600;letter-spacing:.08em;color:var(--ink)}
.brand__en{font-family:var(--mono);font-size:12px;letter-spacing:.24em;color:var(--muted);margin-top:4px}
.nav__links{display:flex;align-items:center;gap:34px;font-size:15px;color:var(--body)}
.nav__links a{position:relative;padding:6px 0;transition:color .2s var(--ease)}
.nav__links a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .25s var(--ease)}
.nav__links a:hover{color:var(--brand)}
.nav__links a:hover::after,.nav__links a:focus-visible::after{transform:scaleX(1)}
.nav__cta{flex:none}
.nav__toggle{display:none;width:44px;height:44px;background:var(--white);border:1px solid var(--line-strong);cursor:pointer;align-items:center;justify-content:center}
.nav__toggle span{display:block;width:18px;height:1px;background:var(--ink);position:relative;transition:transform .25s var(--ease)}
.nav__toggle span::before,.nav__toggle span::after{content:"";position:absolute;left:0;width:18px;height:1px;background:var(--ink);transition:transform .25s var(--ease)}
.nav__toggle span::before{top:-6px}
.nav__toggle span::after{top:6px}
.nav__toggle.is-open span{background:transparent}
.nav__toggle.is-open span::before{transform:translateY(6px) rotate(45deg)}
.nav__toggle.is-open span::after{transform:translateY(-6px) rotate(-45deg)}
.mobile-nav{display:none;border-top:1px solid var(--line);padding:8px var(--pad) 24px;background:var(--white)}
.mobile-nav a{display:block;padding:15px 0;border-bottom:1px solid var(--line);font-size:16px;color:var(--ink)}
.mobile-nav a:last-of-type{border-bottom:0}
.mobile-nav .btn{margin-top:18px;width:100%;justify-content:center}
.mobile-nav[hidden]{display:none !important}

.btn{display:inline-flex;align-items:center;gap:10px;min-height:48px;padding:13px 24px;font-size:16px;font-weight:500;background:var(--brand);color:#fff;border:1px solid var(--brand);transition:background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease)}
.btn:hover{background:var(--brand-deep);border-color:var(--brand-deep)}
.btn .icon{flex:none}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--line-strong)}
.btn--ghost:hover{background:var(--white);border-color:var(--brand);color:var(--brand)}
.btn--text{background:transparent;border-color:transparent;color:var(--brand);padding-left:0;padding-right:0;min-height:44px}
.btn--text:hover{background:transparent;color:var(--brand-deep)}
.btn--text .icon{transition:transform .2s var(--ease)}
.btn--text:hover .icon{transform:translateX(4px)}
.btn--light{background:#fff;color:var(--brand);border-color:#fff}
.btn--light:hover{background:#e8f6ef;border-color:#e8f6ef;color:var(--brand-deep)}
.icon{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}

/* hero */
.hero{background:var(--white);border-bottom:1px solid var(--line);padding:clamp(40px,5.5vw,76px) 0 clamp(44px,5vw,64px)}
.hero__top{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:24px}
.hero__eyebrow{grid-column:1/-1;display:flex;align-items:center;gap:14px;font-family:var(--mono);font-size:12px;letter-spacing:.18em;color:var(--brand);text-transform:uppercase;padding-bottom:10px;border-bottom:1px solid var(--line)}
.hero__eyebrow::before{content:"";width:7px;height:7px;background:var(--brand)}
.hero h1{grid-column:1/9;margin-top:30px;font-size:clamp(2.5rem,5vw,4.35rem);line-height:1.1;letter-spacing:-.03em;font-weight:500;color:var(--ink)}
.hero h1 em{font-style:normal;color:var(--brand)}
.hero__aside{grid-column:9/13;margin-top:32px;padding-left:28px;border-left:1px solid var(--line);display:flex;flex-direction:column;justify-content:flex-end}
.hero__value{font-size:16px;line-height:1.7;color:var(--ink);font-weight:500}
.hero__lede{margin-top:12px;font-size:15px;line-height:1.8;color:var(--muted)}
.hero__actions{display:flex;flex-wrap:wrap;align-items:center;gap:8px 20px;margin-top:22px}
.hero__figure{margin-top:clamp(28px,3.4vw,44px);border:1px solid var(--line);background:var(--paper);position:relative}
.hero__figure img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}
.hero__figure figcaption{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;padding:12px 16px;border-top:1px solid var(--line);font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:var(--muted);background:var(--white)}
.hotspot{position:absolute;display:flex;align-items:center;gap:7px;padding:5px 9px;font-family:var(--mono);font-size:12px;letter-spacing:.1em;color:var(--brand-deep);background:rgba(255,255,255,.9);border:1px solid var(--line-strong);white-space:nowrap;z-index:2}
.hotspot::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--brand);flex:none}
.hotspot--1{top:12%;left:4%}
.hotspot--2{top:52%;right:4%}
.hotspot--3{bottom:14%;left:14%}
.hero__strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border:1px solid var(--line);border-top:0;background:var(--white)}
.hero__strip div{padding:18px 20px;border-right:1px solid var(--line)}
.hero__strip div:last-child{border-right:0}
.hero__strip b{display:block;font-family:var(--mono);font-size:12px;letter-spacing:.14em;color:var(--brand);font-weight:500;margin-bottom:4px}
.hero__strip span{font-size:14px;color:var(--body);line-height:1.6}

/* section */
.section{padding:var(--section) 0;scroll-margin-top:96px}
.section--soft{background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section--white{background:var(--white);border-bottom:1px solid var(--line)}
.sec-head{display:grid;grid-template-columns:120px minmax(0,1fr) minmax(0,.8fr);gap:24px;align-items:end;margin-bottom:clamp(36px,4.4vw,56px);padding-top:16px;border-top:1px solid var(--line-strong)}
.sec-index{font-family:var(--mono);font-size:12px;letter-spacing:.14em;color:var(--brand);padding-bottom:8px}
.sec-head h2{font-size:clamp(1.8rem,3vw,2.5rem);line-height:1.2;letter-spacing:-.015em;font-weight:500;color:var(--ink)}
.sec-head p{justify-self:end;max-width:30em;font-size:15px;line-height:1.8;color:var(--muted);text-align:right}

/* compare */
.compare{display:grid;grid-template-columns:minmax(0,1fr) 96px minmax(0,1fr);align-items:center;gap:0;margin-bottom:clamp(40px,5vw,64px)}
.compare__panel{margin:0;background:var(--white);border:1px solid var(--line);padding:clamp(14px,2vw,26px)}
.compare__panel svg{width:100%;height:auto}
.compare__panel figcaption{display:flex;justify-content:space-between;align-items:baseline;gap:14px;margin-top:12px;padding-top:12px;border-top:1px solid var(--line)}
.compare__panel strong{font-size:16px;font-weight:500;color:var(--ink)}
.compare__panel span{font-family:var(--mono);font-size:12px;letter-spacing:.1em;color:var(--muted)}
.compare__mid{display:flex;flex-direction:column;align-items:center;gap:8px;color:var(--brand)}
.compare__mid svg{width:44px;height:44px}
.compare__mid span{font-family:var(--mono);font-size:12px;letter-spacing:.12em;writing-mode:vertical-rl;color:var(--brand)}

.flow{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));border-top:1px solid var(--line-strong);background:var(--white)}
.flow li{padding:22px 20px 26px;border-right:1px solid var(--line)}
.flow li:last-child{border-right:0}
.flow__num{font-family:var(--mono);font-size:12px;letter-spacing:.1em;color:var(--brand)}
.flow h3{margin-top:10px;font-size:16.5px;font-weight:500;color:var(--ink)}
.flow p{margin-top:8px;font-size:14px;line-height:1.7;color:var(--muted)}

/* business */
.biz{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid var(--line-strong);border-left:1px solid var(--line)}
.biz article{padding:clamp(26px,3.4vw,40px);border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--white);transition:background .25s var(--ease)}
.biz article:hover{background:#fbfdfb}
.biz__top{display:flex;align-items:baseline;gap:16px}
.biz__num{font-family:var(--mono);font-size:12px;color:var(--brand);letter-spacing:.1em}
.biz h3{font-size:clamp(1.25rem,1.9vw,1.6rem);font-weight:500;line-height:1.35;color:var(--ink);letter-spacing:-.01em}
.biz p{margin-top:14px;font-size:15px;line-height:1.8;color:var(--muted);max-width:34em}
.biz__deliver{margin-top:20px;padding-top:14px;border-top:1px solid var(--line);font-family:var(--mono);font-size:12px;letter-spacing:.05em;line-height:1.9;color:var(--brand)}

/* scenes */
.scene-rows{border-top:1px solid var(--line-strong)}
.scene-row{display:grid;grid-template-columns:64px minmax(0,1fr) minmax(0,1.2fr) 190px;gap:clamp(16px,3vw,40px);align-items:center;padding:clamp(22px,2.6vw,32px) 0;border-bottom:1px solid var(--line)}
.scene-row__num{font-family:var(--mono);font-size:12px;color:var(--brand)}
.scene-row h3{font-size:clamp(1.15rem,1.8vw,1.45rem);font-weight:500;color:var(--ink)}
.scene-row p{font-size:15px;line-height:1.8;color:var(--muted);max-width:34em}
.scene-row__tag{justify-self:end;font-family:var(--mono);font-size:12px;letter-spacing:.1em;color:var(--brand);border:1px solid var(--line-strong);padding:4px 8px;white-space:nowrap}

/* company */
.company{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(36px,6vw,96px);align-items:start}
.company__title h2{font-size:clamp(1.8rem,3vw,2.45rem);line-height:1.25;font-weight:500;color:var(--ink);letter-spacing:-.015em}
.company__title .mono{display:block;color:var(--brand);margin-bottom:14px}
.company__title p{margin-top:20px;font-size:15px;line-height:1.8;color:var(--muted);max-width:26em}
.company__body p{font-size:16px;line-height:1.9;color:var(--body)}
.company__body p + p{margin-top:18px}
.clients{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));margin-top:32px;border-top:1px solid var(--line-strong);border-left:1px solid var(--line)}
.clients div{padding:18px 20px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--white)}
.clients b{display:block;font-family:var(--mono);font-size:12px;letter-spacing:.12em;color:var(--brand);font-weight:500;margin-bottom:6px}
.clients span{font-size:15px;color:var(--ink)}

/* brand block */
.brandblock{background:var(--brand);color:#e8f6ef;padding:clamp(56px,7vw,96px) 0;scroll-margin-top:96px}
.brandblock__grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:clamp(32px,5vw,80px);align-items:start}
.brandblock h2{font-size:clamp(1.9rem,3.6vw,3rem);line-height:1.25;font-weight:500;color:#fff;letter-spacing:-.015em}
.brandblock__lead{margin-top:20px;max-width:34em;font-size:15px;line-height:1.85;color:rgba(232,246,239,.82)}
.brandblock dl{margin-top:8px;border-top:1px solid rgba(255,255,255,.28)}
.brandblock dl div{display:grid;grid-template-columns:92px minmax(0,1fr);gap:14px;padding:13px 0;border-bottom:1px solid rgba(255,255,255,.28);align-items:baseline}
.brandblock dt{font-family:var(--mono);font-size:12px;letter-spacing:.1em;color:rgba(232,246,239,.72)}
.brandblock dd{font-size:15px;line-height:1.6;color:#fff;overflow-wrap:anywhere}
.brandblock dd a{border-bottom:1px solid rgba(255,255,255,.5);padding-bottom:1px}
.brandblock dd a:hover{color:#c9f3e3;border-color:#c9f3e3}
.brandblock .btn{margin-top:24px}

/* footer */
.site-footer{background:#08130f;color:#b9ccc4;padding:clamp(48px,6vw,72px) 0 30px}
.footer__grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.7fr) minmax(0,.9fr);gap:clamp(28px,5vw,72px)}
.footer__brand{display:flex;align-items:center;gap:14px}
.footer__brand img{height:70px;width:auto;filter:brightness(0) invert(1);opacity:.94}
.footer__name{font-size:15.5px;font-weight:500;color:#eef6f2}
.footer__sub{margin-top:8px;font-family:var(--mono);font-size:12px;letter-spacing:.1em;color:#8fa79d;line-height:1.9}
.footer__nav{display:flex;flex-direction:column;gap:10px;font-size:15px;color:#a9beb5}
.footer__nav a:hover{color:#8fe3c6}
.footer__legal{grid-column:1/-1;text-align:center;font-size:14px;line-height:1.9;color:#a9beb5}
.footer__legal a{color:#eef6f2;border-bottom:1px solid #3c4f47;padding-bottom:1px}
.footer__legal a:hover{color:#8fe3c6;border-color:#8fe3c6}
.footer__bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:clamp(34px,4vw,52px);padding-top:20px;border-top:1px solid #24332d;font-size:12px;color:#8fa79d}

.js [data-reveal]{opacity:0;transform:translateY(16px)}
.js [data-reveal].is-in{opacity:1;transform:none;transition:opacity .6s var(--ease),transform .6s var(--ease)}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  .js [data-reveal]{opacity:1;transform:none}
}
@media (max-width:1180px){
  .nav__links{gap:24px}
  .brand__text{display:none}
}
@media (max-width:1024px){
  .hero h1{grid-column:1/13}
  .hero__aside{grid-column:1/13;margin-top:10px;padding-left:0;border-left:0}
  .hero__strip{grid-template-columns:1fr}
  .hero__strip div{border-right:0;border-bottom:1px solid var(--line)}
  .hero__strip div:last-child{border-bottom:0}
  .sec-head{grid-template-columns:52px 1fr;align-items:start}
  .sec-head p{grid-column:2;justify-self:start;text-align:left}
  .compare{grid-template-columns:1fr;gap:0}
  .compare__mid{flex-direction:row;padding:14px 0}
  .compare__mid svg{transform:rotate(90deg);width:34px;height:34px}
  .compare__mid span{writing-mode:horizontal-tb}
  .flow{grid-template-columns:repeat(2,minmax(0,1fr))}
  .flow li{border-right:0;border-bottom:1px solid var(--line)}
  .flow li:nth-child(odd){border-right:1px solid var(--line)}
  .scene-row{grid-template-columns:44px minmax(0,1fr);row-gap:8px}
  .scene-row p{grid-column:2}
  .scene-row__tag{grid-column:2;justify-self:start;margin-top:4px}
  .company{grid-template-columns:1fr}
  .brandblock__grid{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr 1fr}
  .footer__legal{grid-column:1/-1}
}
@media (max-width:920px){
  .nav__links,.nav__cta{display:none}
  .nav__toggle{display:flex}
  .mobile-nav{display:block}
  .mobile-nav[hidden]{display:none !important}
  .nav{height:72px}
}
@media (max-width:720px){
  .hero{padding-top:32px}
  .hero h1{font-size:clamp(2.1rem,9vw,2.7rem);line-height:1.16;margin-top:22px}
  .hero__actions .btn{flex:1 1 auto;justify-content:center}
  .hero__figure figcaption{font-size:12px;gap:8px;padding:10px 12px}
  .hotspot{font-size:9px;padding:4px 6px}
  .hotspot--3{bottom:16%;left:6%}
  .section{padding:64px 0;scroll-margin-top:84px}
  .sec-head{grid-template-columns:1fr;gap:10px;margin-bottom:30px}
  .sec-head p{grid-column:1}
  .sec-index{padding-bottom:0}
  .biz{grid-template-columns:1fr}
  .biz article{padding:24px 20px}
  .compare__panel{padding:12px}
  .compare__panel figcaption{flex-wrap:wrap;gap:4px}
  .flow{grid-template-columns:1fr}
  .flow li{border-right:0 !important;padding:18px 16px 20px}
  .scene-row{grid-template-columns:1fr;gap:6px;padding:22px 0}
  .scene-row p,.scene-row__tag{grid-column:1}
  .clients{grid-template-columns:1fr}
  .brandblock{padding:56px 0}
  .brandblock dl div{grid-template-columns:1fr;gap:2px}
  .footer__grid{grid-template-columns:1fr;gap:30px}
  .footer__legal{grid-column:auto}
  .footer__brand img{height:56px}
  .footer__bottom{flex-direction:column;gap:8px}
}
[tabindex="-1"]:focus{outline:none}

/* ===== shared additions (v2 site) ===== */
[hidden]:not([hidden="until-found" i]){display:none !important}
h1,h2,h3{text-wrap:balance;word-break:normal;line-break:strict}
p,li,dd{text-wrap:pretty;line-break:strict}
.nav__links a[aria-current="page"]{color:var(--brand);font-weight:600}
.nav__links a[aria-current="page"]::after{transform:scaleX(1)}
.mobile-nav a[aria-current="page"]{color:var(--brand);font-weight:600}
.nav__links{gap:clamp(20px,2.4vw,34px)}
.hero h1{font-size:clamp(2.3rem,4.4vw,3.9rem)}
.hero__aside p.hero__value{font-size:17px}
.mono-label{font-family:var(--mono);font-size:12px;letter-spacing:.12em;color:var(--brand)}

/* page hero (inner pages) */
.page-hero{background:var(--white);border-bottom:1px solid var(--line);padding:clamp(40px,5vw,72px) 0 clamp(36px,4.4vw,60px)}
.page-hero__grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:24px}
.page-hero h1{grid-column:1/9;margin-top:28px;font-size:clamp(2.2rem,4.2vw,3.6rem);line-height:1.15;letter-spacing:-.025em;font-weight:500;color:var(--ink)}
.page-hero h1 em{font-style:normal;color:var(--brand)}
.page-hero__aside{grid-column:9/13;margin-top:30px;padding-left:28px;border-left:1px solid var(--line);align-self:end}
.page-hero__aside p{font-size:16px;line-height:1.8;color:var(--body)}
.jump{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:0;margin-top:clamp(24px,3vw,40px);border-top:1px solid var(--line-strong)}
.jump a{display:flex;align-items:baseline;gap:10px;padding:14px 28px 14px 0;margin-right:28px;font-size:16px;color:var(--ink);min-height:48px;border-bottom:1px solid transparent}
.jump a span{font-family:var(--mono);font-size:12px;color:var(--brand)}
.jump a:hover{color:var(--brand);border-bottom-color:var(--brand)}

/* home: overview list */
.ov{border-top:1px solid var(--line-strong)}
.ov a{display:grid;grid-template-columns:64px minmax(0,.9fr) minmax(0,1.3fr) 150px;gap:clamp(16px,3vw,40px);align-items:center;padding:clamp(22px,2.6vw,32px) 0;border-bottom:1px solid var(--line);transition:background .25s var(--ease)}
.ov a:hover{background:rgba(5,95,73,.04)}
.ov__num{font-family:var(--mono);font-size:12px;color:var(--brand)}
.ov h3{font-size:clamp(1.2rem,1.9vw,1.55rem);font-weight:500;line-height:1.35;color:var(--ink)}
.ov p{font-size:16px;line-height:1.8;color:var(--body);max-width:34em}
.ov__go{justify-self:end;display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:500;color:var(--brand);white-space:nowrap}
.ov__go .icon{transition:transform .2s var(--ease)}
.ov a:hover .ov__go .icon{transform:translateX(4px)}

/* home: flow as links */
.flow a{display:block;height:100%;padding:22px 20px 26px;transition:background .2s var(--ease)}
.flow li{padding:0}
.flow a:hover{background:#f7faf8}
.flow a:hover h3{color:var(--brand)}
.flow p{font-size:15px;color:var(--body)}
.section-foot{display:flex;flex-wrap:wrap;gap:8px 24px;margin-top:28px}

/* entries with thumbnails */
.entry{display:grid;grid-template-columns:48px 240px minmax(0,1fr) 150px;gap:clamp(16px,3vw,36px);align-items:center;padding:clamp(20px,2.4vw,28px) 0;border-bottom:1px solid var(--line);transition:background .25s var(--ease)}
.entry:hover{background:rgba(5,95,73,.04)}
.entry img{width:100%;height:auto;border:1px solid var(--line)}
.entry h3{font-size:clamp(1.2rem,1.9vw,1.5rem);font-weight:500;color:var(--ink)}
.entry p{margin-top:8px;font-size:16px;line-height:1.8;color:var(--body);max-width:34em}
.tag{display:inline-block;font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:var(--brand);border:1px solid var(--line-strong);padding:4px 10px;white-space:nowrap;background:var(--white)}
.tag--ext{background:var(--soft)}
.entry .tag{justify-self:end}

/* services */
.svc{padding:clamp(56px,7vw,104px) 0;border-bottom:1px solid var(--line);scroll-margin-top:80px}
.svc:nth-of-type(even){background:var(--white)}
.svc__grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:clamp(24px,3vw,48px);align-items:start}
.svc__fig{grid-column:1/7;margin:0;background:var(--white);border:1px solid var(--line)}
.svc:nth-of-type(even) .svc__fig{background:var(--paper)}
.svc__fig svg{width:100%;height:auto;padding:clamp(12px,2vw,24px)}
.svc__fig .photo{position:relative}
.svc__fig .photo img{width:100%;height:auto}
.svc__fig figcaption{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:12px 16px;border-top:1px solid var(--line);font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:var(--muted);background:var(--white)}
.svc__body{grid-column:8/13}
.svc--flip .svc__fig{grid-column:7/13;grid-row:1}
.svc--flip .svc__body{grid-column:1/6;grid-row:1}
.svc__idx{display:block;font-family:var(--mono);font-size:12px;letter-spacing:.12em;color:var(--brand);padding-top:14px;border-top:1px solid var(--line-strong)}
.svc h2{margin-top:14px;font-size:clamp(1.7rem,2.8vw,2.3rem);line-height:1.25;font-weight:500;letter-spacing:-.015em;color:var(--ink)}
.svc__lede{margin-top:14px;font-size:17px;line-height:1.8;color:var(--ink)}
.spec{margin-top:26px;border-top:1px solid var(--line-strong)}
.spec div{display:grid;grid-template-columns:104px minmax(0,1fr);gap:16px;padding:16px 0;border-bottom:1px solid var(--line)}
.spec dt{font-family:var(--mono);font-size:12px;letter-spacing:.1em;color:var(--brand);padding-top:4px}
.spec dd{font-size:16px;line-height:1.8;color:var(--body)}
.spec dd b{font-weight:600;color:var(--ink)}
.note{margin-top:16px;font-size:15px;line-height:1.8;color:var(--muted)}
.mk{position:absolute;display:flex;align-items:center;gap:7px;padding:5px 10px;font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:var(--brand-deep);background:rgba(255,255,255,.94);border:1px solid var(--line-strong);white-space:nowrap}
.mk::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);flex:none}

/* tabs */
.tabs{scroll-margin-top:96px}
.tablist{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(0,1fr);border:1px solid var(--line-strong);background:var(--white)}
.tab{position:relative;display:flex;flex-direction:column;align-items:flex-start;gap:6px;text-align:left;padding:18px 20px 20px;background:var(--white);border:0;border-right:1px solid var(--line);cursor:pointer;min-height:84px;transition:background .2s var(--ease),color .2s var(--ease)}
.tab:last-child{border-right:0}
.tab__n{font-family:var(--mono);font-size:12px;letter-spacing:.1em;color:var(--brand)}
.tab__t{font-size:17px;font-weight:500;color:var(--ink);line-height:1.35}
.tab:hover{background:#f3f8f5}
.tab[aria-selected="true"]{background:var(--brand);color:#fff}
.tab[aria-selected="true"] .tab__n,.tab[aria-selected="true"] .tab__t{color:#fff}
.tab[aria-selected="true"]::after{content:"";position:absolute;left:50%;bottom:-9px;width:16px;height:16px;background:var(--brand);transform:translateX(-50%) rotate(45deg);z-index:2}
.tab:focus-visible{outline-offset:-4px;outline-color:#7fd4b8;outline:3px solid var(--brand-deep)}
.tab[aria-selected="true"]:focus-visible{outline-color:#fff}
.tabpanel{margin-top:22px;background:var(--white);border:1px solid var(--line);padding:clamp(22px,3.4vw,44px)}
.tabpanel:focus-visible{outline-offset:2px}
.tabpanel.is-in{animation:panel-in .3s var(--ease)}
@keyframes panel-in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.panel__head{display:flex;align-items:baseline;gap:16px}
.panel__head h3{font-size:clamp(1.4rem,2.2vw,1.9rem);font-weight:500;color:var(--ink)}
.panel__lede{margin-top:12px;max-width:40em;font-size:17px;line-height:1.8;color:var(--ink)}
.io{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));margin-top:28px;border-top:1px solid var(--line-strong);border-left:1px solid var(--line)}
.io section{padding:20px 24px 24px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.io h4{font-family:var(--mono);font-size:12px;letter-spacing:.12em;font-weight:500;color:var(--brand)}
.io ul{margin-top:12px}
.io li{position:relative;padding:6px 0 6px 18px;font-size:16px;line-height:1.7;color:var(--body)}
.io li::before{content:"";position:absolute;left:0;top:.95em;width:7px;height:1px;background:var(--brand)}
.assoc{margin-top:22px;padding-top:18px;border-top:1px solid var(--line);font-size:16px;line-height:1.85;color:var(--body);max-width:46em}
.assoc b{color:var(--ink);font-weight:600}
.panel__links{display:flex;flex-wrap:wrap;gap:6px 22px;margin-top:18px}
.rel{margin-top:clamp(40px,5vw,64px);display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:clamp(24px,4vw,56px);align-items:start}
.rel__fig{margin:0;background:var(--white);border:1px solid var(--line);padding:clamp(12px,2vw,24px)}
.rel__fig svg{width:100%;height:auto}
.rel__fig figcaption{margin-top:10px;padding-top:10px;border-top:1px solid var(--line);font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:var(--muted)}
.rel [data-node] rect{fill:#fff;stroke:#b9c8c0;transition:fill .25s var(--ease),stroke .25s var(--ease)}
.rel [data-node] text{fill:#33463f;transition:fill .25s var(--ease)}
.rel [data-node].is-on rect{fill:#055f49;stroke:#055f49}
.rel [data-node].is-on text{fill:#fff}
.rel__list{border-top:1px solid var(--line-strong)}
.rel__list div{padding:14px 0;border-bottom:1px solid var(--line)}
.rel__list dt{font-size:16px;font-weight:600;color:var(--ink)}
.rel__list dd{margin-top:4px;font-size:15.5px;line-height:1.75;color:var(--body)}

/* scenes */
.scene-panel{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(24px,4vw,56px);align-items:start}
.scene-panel__fig{margin:0;border:1px solid var(--line);background:var(--paper)}
.scene-panel__fig img{width:100%;height:auto}
.scene-panel__fig figcaption{padding:11px 14px;border-top:1px solid var(--line);font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:var(--muted);background:var(--white)}
.blk{padding:18px 0;border-bottom:1px solid var(--line)}
.blk:first-of-type{border-top:1px solid var(--line-strong);margin-top:22px}
.blk h4{font-family:var(--mono);font-size:12px;letter-spacing:.12em;font-weight:500;color:var(--brand)}
.blk ul{margin-top:8px}
.blk li{position:relative;padding:5px 0 5px 18px;font-size:16px;line-height:1.75;color:var(--body)}
.blk li::before{content:"";position:absolute;left:0;top:.95em;width:7px;height:1px;background:var(--brand)}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.chip{display:inline-flex;align-items:center;min-height:44px;padding:8px 14px;font-size:15px;color:var(--brand);border:1px solid var(--line-strong);background:var(--white);transition:border-color .2s var(--ease),background .2s var(--ease)}
.chip:hover{border-color:var(--brand);background:#f3f8f5}
.ext{margin-top:clamp(36px,4vw,56px);border:1px solid var(--line-strong);background:var(--white)}
.ext summary{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;cursor:pointer;list-style:none;min-height:64px}
.ext summary::-webkit-details-marker{display:none}
.ext summary h3{font-size:clamp(1.2rem,1.9vw,1.5rem);font-weight:500;color:var(--ink)}
.ext summary .tag{margin-right:auto;margin-left:14px}
.ext summary .icon{transition:transform .25s var(--ease);flex:none;width:20px;height:20px;color:var(--brand)}
.ext[open] summary .icon{transform:rotate(180deg)}
.ext summary:focus-visible{outline-offset:-3px}
.ext__body{padding:6px 24px 28px;border-top:1px solid var(--line)}
.ext__body .scene-panel{margin-top:22px}

/* about */
.principles{border-top:1px solid var(--line-strong)}
.principles li{display:grid;grid-template-columns:64px minmax(0,.8fr) minmax(0,1.4fr);gap:clamp(16px,3vw,40px);padding:clamp(22px,2.6vw,32px) 0;border-bottom:1px solid var(--line)}
.principles h3{font-size:clamp(1.15rem,1.8vw,1.45rem);font-weight:500;color:var(--ink)}
.principles p{font-size:16px;line-height:1.85;color:var(--body);max-width:36em}
.flow--4{grid-template-columns:repeat(4,minmax(0,1fr))}
.flow--4 li{padding:22px 20px 26px}
.flow--4 p{font-size:15px;color:var(--body)}

/* contact tool */
.contact__grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(32px,5vw,80px);align-items:start}
.brandblock__lead{font-size:16px;color:rgba(255,255,255,.9)}
.brandblock dt{font-size:12px;color:rgba(255,255,255,.8)}
.brandblock dd{font-size:16px}
.brandblock__note{margin-top:22px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.88);max-width:32em}
.tool{background:var(--white);color:var(--body);padding:clamp(22px,3vw,36px);border:1px solid rgba(255,255,255,.4)}
.tool h3{font-size:1.3rem;font-weight:500;color:var(--ink)}
.tool__sub{margin-top:6px;font-size:15px;line-height:1.7;color:var(--muted)}
.tool fieldset{margin:22px 0 0;padding:0;border:0;min-width:0}
.tool legend,.tool label.lg{padding:0;font-size:15px;font-weight:600;color:var(--ink)}
.tool legend .req,.tool label .req{color:var(--brand);margin-left:4px}
.opts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:10px}
.opt{position:relative;display:flex;align-items:center;gap:10px;min-height:48px;padding:10px 14px;border:1px solid var(--line-strong);cursor:pointer;font-size:15px;line-height:1.4;color:var(--ink);background:var(--white);transition:border-color .2s var(--ease),background .2s var(--ease)}
.opt:hover{border-color:var(--brand)}
.opt input{width:18px;height:18px;flex:none;accent-color:var(--brand);margin:0}
.opt:has(input:checked){border-color:var(--brand);background:#eef6f1}
.opt:has(input:focus-visible){outline:2px solid var(--brand);outline-offset:2px}
.tool textarea{display:block;width:100%;margin-top:10px;padding:12px 14px;font:inherit;font-size:16px;line-height:1.7;color:var(--ink);background:#fff;border:1px solid var(--line-strong);resize:vertical;min-height:112px;border-radius:0}
.tool textarea:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-color:var(--brand)}
.tool .out{font-family:var(--mono);font-size:14px;line-height:1.75;background:#f4f7f4;min-height:200px}
.field-err{margin-top:8px;font-size:15px;line-height:1.6;color:#8a1c1c;font-weight:500}
.tool__actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px 16px;margin-top:22px}
.brandblock .tool .btn--ghost{color:var(--brand);border-color:var(--brand)}
.status{margin-top:14px;padding:12px 14px;font-size:15px;line-height:1.7;border:1px solid var(--line-strong);background:#f4f7f4;color:var(--ink)}
.status[data-state="ok"]{border-color:var(--brand);background:#e6f3ec;color:var(--brand-deep)}
.status[data-state="fail"]{border-color:#8a1c1c;background:#fbeeee;color:#5e1212}
.tool .count{display:block;margin-top:6px;font-size:14px;color:var(--muted)}

/* footer additions */
.footer__nav{font-size:15px;color:#c3d4cc}
.footer__sub{font-size:12px;color:#a9beb5}
.footer__legal{font-size:14px;color:#c3d4cc}
.footer__bottom{font-size:13px;color:#a9beb5}
.footer__title{font-family:var(--mono);font-size:12px;letter-spacing:.12em;color:#8fe3c6;margin-bottom:12px}

/* base small-text floors */
.compare__panel span{font-size:12px}
.flow__num{font-size:12px}
.biz p,.company__body p{font-size:16px}

@media (max-width:1180px){
  .ov a{grid-template-columns:48px minmax(0,1fr) minmax(0,1.3fr)}
  .ov__go{display:none}
  .entry{grid-template-columns:200px minmax(0,1fr)}
  .entry__num{display:none}
  .entry .tag{grid-column:2;justify-self:start}
}
@media (max-width:1024px){
  .page-hero h1{grid-column:1/13}
  .page-hero__aside{grid-column:1/13;margin-top:8px;padding-left:0;border-left:0}
  .svc__fig,.svc--flip .svc__fig{grid-column:1/13;grid-row:auto}
  .svc__body,.svc--flip .svc__body{grid-column:1/13;grid-row:auto}
  .flow--4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .rel{grid-template-columns:1fr}
  .scene-panel{grid-template-columns:1fr}
  .contact__grid{grid-template-columns:1fr}
  .tablist{grid-auto-flow:row;grid-auto-columns:auto}
  .tab{border-right:0;border-bottom:1px solid var(--line);flex-direction:row;align-items:baseline;gap:14px;min-height:56px;padding:14px 18px}
  .tab:last-child{border-bottom:0}
  .tab[aria-selected="true"]::after{display:none}
  .principles li{grid-template-columns:44px minmax(0,1fr)}
  .principles p{grid-column:2}
}
@media (max-width:720px){
  .ov a{grid-template-columns:1fr;gap:6px;padding:22px 0}
  .entry{grid-template-columns:1fr;gap:12px}
  .entry .tag{grid-column:1}
  .spec div{grid-template-columns:1fr;gap:2px}
  .io{grid-template-columns:1fr}
  .opts{grid-template-columns:1fr}
  .flow--4{grid-template-columns:1fr}
  .flow--4 li{border-right:0 !important}
  .rel__svg{display:none}
  .jump a{padding-right:0;margin-right:22px}
  .mk{font-size:11px;padding:3px 7px}
  .ext summary{flex-wrap:wrap;padding:16px}
  .ext summary .tag{margin-left:0;order:3;flex-basis:100%;margin-right:0;width:fit-content}
  .ext__body{padding:4px 16px 22px}
  .tabpanel{padding:20px 16px}
  .page-hero{padding-top:32px}
  .page-hero h1{font-size:clamp(2rem,8.4vw,2.5rem);margin-top:20px}
}
.mobile-nav a.btn{color:#fff;border-bottom:1px solid var(--brand)}
.mobile-nav a.btn:hover{background:var(--brand-deep)}
.brandblock .btn--ghost{color:#fff;border-color:rgba(255,255,255,.6)}
.brandblock .btn--ghost:hover{background:#fff;color:var(--brand)}
.brandblock .btn + .btn{margin-left:12px}
@media (max-width:720px){.brandblock .btn + .btn{margin-left:0}}

/* ---- 润色：首屏扫描示意（锚定建筑轮廓） ---- */
.scan{position:absolute;inset:0 0 auto 0;aspect-ratio:16/9;pointer-events:none;overflow:hidden}
.scan svg{position:absolute;inset:0;width:100%;height:100%}
.scan__cloud{opacity:0}
.scan pattern circle{fill:#055f49}
.scan__lines{fill:none;stroke:#055f49;stroke-width:1.4;opacity:0}
.scan__outline{fill:none;stroke:#055f49;stroke-width:2;stroke-linejoin:round;opacity:.55}
.scan__bay{fill:rgba(5,95,73,.14);stroke:#055f49;stroke-width:2;stroke-dasharray:8 6;opacity:0;transition:opacity .3s var(--ease)}
.scan__ticks{fill:none;stroke:#055f49;stroke-width:2;opacity:.7}
.scan__bar path{stroke:#055f49;stroke-width:3;opacity:0}
.scan__rv{transform-box:fill-box;transform-origin:0 50%;transform:scaleX(1)}
.scan[data-mode="cloud"] .scan__cloud{opacity:.55}
.scan[data-mode="model"] .scan__lines{opacity:.85}
.scan[data-mode="model"] .scan__bay{opacity:1}
.scan.is-run .scan__rv{animation:scan-reveal 8s ease-in-out infinite}
.scan.is-run .scan__bar{animation:scan-move 8s ease-in-out infinite}
.scan.is-run .scan__bar path{opacity:1}
.scan.is-paused .scan__rv,.scan.is-paused .scan__bar{animation-play-state:paused}
.scan.is-static .scan__rv{animation:none;transform:none}
.scan.is-static .scan__bar path{opacity:0}
@keyframes scan-reveal{0%{transform:scaleX(0)}80%,100%{transform:scaleX(1)}}
@keyframes scan-move{0%{transform:translateX(0)}80%,100%{transform:translateX(1062px)}}
.scan__ctl{position:absolute;right:12px;top:12px;display:flex;gap:6px;z-index:2}
.scan__ctl button{font:13px var(--mono);letter-spacing:.06em;padding:0 14px;min-height:44px;min-width:44px;background:rgba(255,255,255,.94);border:1px solid var(--line-strong);color:var(--brand-deep);cursor:pointer}
.scan__ctl button.is-on{background:var(--brand);color:#fff;border-color:var(--brand)}
.scan__ctl button:disabled{opacity:.55;cursor:default}
.scan__ctl button:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
@media (max-width:640px){
  .hero__figure .hotspot{display:none}
  .scan__ctl{position:static;display:flex;justify-content:flex-end;gap:6px;padding:8px;border-top:1px solid var(--line);background:var(--white)}
  .scan__ctl button{padding:0 12px;min-height:44px}
}

/* 首页层级：编号词换成简短标签；业务与场景之间留出更大间隔 */
.ov__num,.scene-row__num{letter-spacing:.06em}
.hero__value{max-width:26em}
#technology{padding-top:calc(var(--section) * .85);padding-bottom:calc(var(--section) * .85)}
#company .company__title h2{font-size:clamp(1.7rem,2.8vw,2.3rem);line-height:1.3}

/* 技术页：连线静态，切换步骤时只播放一次描线 */
.rel__links path{stroke:#055f49;stroke-opacity:.28;stroke-dasharray:4 4}
.rel__links path.is-on{stroke-opacity:.9;stroke-dasharray:none}
.rel__links path.is-trace{stroke-dasharray:1;stroke-dashoffset:1;animation:link-trace .6s var(--ease) forwards}
.rel [data-node].is-pop rect{animation:node-pop .5s var(--ease) 1}
@keyframes link-trace{to{stroke-dashoffset:0}}
@keyframes node-pop{0%{stroke-width:1}40%{stroke-width:4}100%{stroke-width:1}}

/* services 图形：仅在观察器启用时先隐藏，默认可见 */
.reveal-on .svc__fig[data-reveal]:not(.is-in) svg g{opacity:0}
.svc__fig svg g{transition:opacity .7s var(--ease)}
.svc__fig.is-in svg g:nth-of-type(2){transition-delay:.12s}
.svc__fig.is-in svg g:nth-of-type(3){transition-delay:.24s}
.svc__fig.is-in svg g:nth-of-type(n+4){transition-delay:.36s}
.scene-panel__fig img{transition:transform .8s var(--ease)}
.scene-panel__fig:hover img{transform:scale(1.015)}
@media (prefers-reduced-motion: reduce){
  .scan.is-run .scan__rv,.scan.is-run .scan__bar{animation:none}
  .rel__links path.is-trace,.rel [data-node].is-pop rect{animation:none}
  .rel__links path.is-trace{stroke-dasharray:none;stroke-dashoffset:0}
  .svc__fig svg g{transition:none;opacity:1 !important}
  .scene-panel__fig img{transition:none}.scene-panel__fig:hover img{transform:none}
}