/* Self-hosted latin fonts: no external render-blocking font CSS. */
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:400;font-display:swap;src:url('../fonts/ibm-plex-mono-400.woff2') format('woff2')}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:500;font-display:swap;src:url('../fonts/ibm-plex-mono-500.woff2') format('woff2')}
@font-face{font-family:'Inter';font-style:normal;font-weight:400;font-display:swap;src:url('../fonts/inter-400.woff2') format('woff2')}
@font-face{font-family:'Inter';font-style:normal;font-weight:500;font-display:swap;src:url('../fonts/inter-400.woff2') format('woff2')}
@font-face{font-family:'Inter';font-style:normal;font-weight:600;font-display:swap;src:url('../fonts/inter-400.woff2') format('woff2')}
/* Carbon Verify — corporate evidence layer */
:root{
  --navy:#00205b;--navy-2:#0b356f;--teal:#007f78;--teal-2:#00958f;
  --ink:#12212e;--muted:#586977;--dim:#788894;--paper:#fff;--wash:#f3f7f6;
  --line:#dce5e3;--line-2:#c8d5d2;--bluewash:#edf5fc;--greenwash:#eaf6f2;
  --amber:#8b5e00;--amberwash:#fff7e2;--red:#a52828;--redwash:#fff1f0;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --sans:"Inter",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;--max:1180px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.65 var(--sans);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}::selection{background:#cce8e3}
.wrap{max-width:var(--max);margin:auto;padding:0 30px}.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}.muted{color:var(--muted)}.small{font-size:13px}.tiny{font-size:11.5px}.teal{color:var(--teal)}.navy{color:var(--navy)}
.utility{background:var(--navy);color:#d8e5f4;font-size:11px}.utility .wrap{height:34px;display:flex;align-items:center;gap:18px}.utility .right{margin-left:auto;display:flex;gap:18px}.utility a:hover{color:#fff}.utility .status{color:#9edcd4;letter-spacing:.03em}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.nav-in{height:76px;display:flex;align-items:center;gap:34px}.brand{display:flex;align-items:center;gap:12px;min-width:230px}.brand svg{width:38px;height:38px}.brand b{display:block;color:var(--navy);font-size:16px;letter-spacing:-.025em}.brand b sup{font-size:8px;letter-spacing:0;margin-left:2px;vertical-align:top;position:relative;top:2px}.brand span{display:block;color:var(--muted);font-size:10px;letter-spacing:.09em;text-transform:uppercase;margin-top:1px}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto}.nav-item{position:relative}.nav-link{display:flex;align-items:center;gap:5px;padding:11px 12px;font-size:13px;font-weight:500;color:#33495a;border-radius:6px}.nav-link:hover,.nav-link.active{background:var(--wash);color:var(--navy)}.nav-link svg{width:12px;height:12px}
.dropdown{position:absolute;top:calc(100% + 10px);left:0;width:330px;padding:8px;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 18px 50px rgba(0,32,91,.13);opacity:0;visibility:hidden;transform:translateY(-5px);transition:.16s}.nav-item:hover .dropdown,.nav-item:focus-within .dropdown{opacity:1;visibility:visible;transform:none}.dropdown a{display:block;padding:11px 12px;border-radius:6px}.dropdown a:hover{background:var(--wash)}.dropdown b{display:block;font-size:13px;font-weight:600;color:var(--navy)}.dropdown span{display:block;font-size:11.5px;color:var(--muted);margin-top:2px;line-height:1.45}
.nav-cta{margin-left:8px;background:var(--navy);color:#fff;padding:10px 16px;border-radius:6px;font-size:12.5px;font-weight:600;white-space:nowrap}.nav-cta:hover{background:var(--navy-2)}.menu-btn{display:none;margin-left:auto;border:1px solid var(--line);background:#fff;border-radius:6px;padding:8px 11px;color:var(--navy)}
.hero{padding:82px 0 70px;background:linear-gradient(180deg,#f7faf9 0%,#fff 100%);border-bottom:1px solid var(--line);position:relative;overflow:hidden}.hero:after{content:"";position:absolute;right:-130px;top:-230px;width:540px;height:540px;border:1px solid #dfece8;border-radius:50%;box-shadow:0 0 0 70px rgba(0,149,143,.025),0 0 0 140px rgba(0,32,91,.018);pointer-events:none}.hero-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:70px;align-items:end;position:relative;z-index:1}.kicker{font:500 10.5px/1.4 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--teal);margin-bottom:22px;display:flex;align-items:center;gap:10px}.kicker:before{content:"";width:25px;height:1px;background:var(--teal)}
h1,h2,h3,h4,p{margin-top:0}h1{font-size:clamp(42px,5.4vw,70px);line-height:1.04;letter-spacing:-.052em;color:var(--navy);font-weight:600;margin-bottom:26px;max-width:850px}h1 em{font-style:normal;color:var(--teal)}h2{font-size:clamp(28px,3.4vw,42px);line-height:1.14;letter-spacing:-.035em;color:var(--navy);font-weight:600;margin-bottom:20px}h3{font-size:19px;line-height:1.3;letter-spacing:-.018em;color:var(--navy);margin-bottom:10px;font-weight:600}h4{font-size:14px;color:var(--navy);margin-bottom:8px}.lead{font-size:19px;line-height:1.62;color:#425666;max-width:730px}.hero .lead{font-size:18px;max-width:670px}.hero-actions{display:flex;gap:12px;margin-top:30px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:12px 18px;border-radius:6px;font-size:13px;font-weight:600;border:1px solid var(--navy);background:var(--navy);color:#fff;cursor:pointer}.btn:hover{background:var(--navy-2)}.btn.secondary{background:#fff;color:var(--navy);border-color:var(--line-2)}.btn.secondary:hover{border-color:var(--navy)}.btn.teal{background:var(--teal);border-color:var(--teal)}.btn.teal:hover{background:#006c66}.text-link{font-size:13px;font-weight:600;color:var(--teal);border-bottom:1px solid #b9d9d4;padding-bottom:2px}.text-link:hover{border-color:var(--teal)}
.hero-panel{border:1px solid var(--line-2);background:rgba(255,255,255,.85);padding:26px;border-radius:10px;box-shadow:0 14px 40px rgba(0,32,91,.06)}.hero-panel .label{font:10px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:18px}.metric-row{display:flex;justify-content:space-between;gap:15px;padding:12px 0;border-bottom:1px solid var(--line);font-size:12px;color:var(--muted)}.metric-row:last-child{border:0}.metric-row b{font:500 14px var(--mono);color:var(--navy)}
.statband{border-bottom:1px solid var(--line);background:#fff}.stats{display:grid;grid-template-columns:repeat(6,1fr)}.stat{padding:25px 22px;border-right:1px solid var(--line)}.stat:first-child{border-left:1px solid var(--line)}.stat b{display:block;font:500 25px var(--mono);color:var(--navy);letter-spacing:-.04em}.stat span{display:block;font-size:10.5px;color:var(--muted);margin-top:5px;line-height:1.4}
section{padding:82px 0;border-bottom:1px solid var(--line)}.section-head{display:flex;justify-content:space-between;gap:40px;align-items:end;margin-bottom:38px}.section-head h2{margin-bottom:0;max-width:690px}.section-head p{margin:0;max-width:390px;color:var(--muted);font-size:14px}.wash{background:var(--wash)}.navy-section{background:var(--navy);color:#d8e5f4;border-color:var(--navy)}.navy-section h2,.navy-section h3{color:#fff}.navy-section p{color:#bfd0e2}.navy-section .kicker{color:#83d6cc}.navy-section .kicker:before{background:#83d6cc}
.grid{display:grid;gap:18px}.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}.card{background:#fff;border:1px solid var(--line);border-radius:9px;padding:26px;transition:.18s}.card:hover{border-color:#aebfbc;box-shadow:0 8px 26px rgba(0,32,91,.05);transform:translateY(-2px)}.card .code{font:10px var(--mono);letter-spacing:.13em;text-transform:uppercase;color:var(--teal);margin-bottom:16px}.card p{font-size:13.5px;color:var(--muted);margin-bottom:16px}.card p:last-child{margin-bottom:0}.card .price{font:500 15px var(--mono);color:var(--navy);padding-top:14px;border-top:1px solid var(--line);margin-top:18px}.card.feature{border-top:3px solid var(--teal)}.card.dark{background:#071d3c;border-color:#173a61;color:#d8e5f4}.card.dark h3{color:#fff}.card.dark p{color:#b9cadb}
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}.split.wide-left{grid-template-columns:1.25fr .75fr}.sticky{position:sticky;top:110px}.number-list{list-style:none;padding:0;margin:0;counter-reset:n}.number-list li{counter-increment:n;display:grid;grid-template-columns:48px 1fr;gap:18px;padding:22px 0;border-top:1px solid var(--line)}.number-list li:before{content:counter(n,decimal-leading-zero);font:12px var(--mono);color:var(--teal);padding-top:4px}.number-list h3{font-size:16px;margin-bottom:7px}.number-list p{font-size:13.5px;color:var(--muted);margin:0}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:8px;background:#fff}table{width:100%;border-collapse:collapse;font-size:13px}th{text-align:left;padding:13px 16px;background:#f7faf9;border-bottom:1px solid var(--line-2);font:500 10px var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--muted);white-space:nowrap}td{padding:14px 16px;border-bottom:1px solid var(--line);vertical-align:top;color:#425666}tr:last-child td{border-bottom:0}td:first-child{color:var(--navy);font-weight:500}td.num{font-family:var(--mono);white-space:nowrap}.note{font-size:11.5px;color:var(--muted);line-height:1.6}.callout{padding:22px 24px;border-left:3px solid var(--teal);background:var(--greenwash);margin:26px 0;font-size:14px;color:#294a46}.callout p:last-child{margin-bottom:0}.callout.warn{border-color:#c58b16;background:var(--amberwash);color:#654b16}.callout.red{border-color:var(--red);background:var(--redwash);color:#712c2c}.tag{display:inline-block;padding:3px 8px;border-radius:4px;background:var(--wash);border:1px solid var(--line);font:10px var(--mono);color:var(--muted);white-space:nowrap}.tag.green{background:var(--greenwash);border-color:#bfddd3;color:#087266}.tag.amber{background:var(--amberwash);border-color:#ead6a2;color:var(--amber)}.tag.blue{background:var(--bluewash);border-color:#cadef0;color:var(--navy-2)}
.page-head{padding:60px 0 52px;background:var(--wash);border-bottom:1px solid var(--line)}.page-head h1{font-size:clamp(36px,4.5vw,56px);max-width:850px;margin-bottom:20px}.page-head .lead{font-size:17px}.breadcrumb{font:10.5px var(--mono);letter-spacing:.08em;color:var(--muted);margin-bottom:22px}.breadcrumb a{color:var(--teal)}
.process{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:9px;overflow:hidden}.process>div{padding:25px;border-right:1px solid var(--line);background:#fff}.process>div:last-child{border:0}.process b{display:block;font:11px var(--mono);color:var(--teal);margin-bottom:16px}.process h3{font-size:15px}.process p{font-size:12.5px;color:var(--muted);margin:0}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.field{margin-bottom:18px}.field.full{grid-column:1/-1}.field label{display:block;font-size:12px;font-weight:600;color:var(--navy);margin-bottom:7px}.field input,.field select,.field textarea{width:100%;padding:11px 12px;border:1px solid var(--line-2);border-radius:5px;background:#fff;color:var(--ink);outline:none}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--teal);box-shadow:0 0 0 3px rgba(0,149,143,.09)}.field textarea{min-height:120px;resize:vertical}.form-status{font-size:13px;color:var(--teal);margin-top:14px;min-height:20px}
.quote-box{border:1px solid var(--line-2);border-radius:9px;overflow:hidden}.quote-in{padding:26px;background:#fff}.quote-out{padding:26px;background:var(--navy);color:#d8e5f4}.quote-line{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid #264265;font-size:12px}.quote-line b{font:500 13px var(--mono);color:#fff}.quote-total{display:flex;justify-content:space-between;align-items:end;margin-top:22px}.quote-total b{font:500 32px var(--mono);color:#fff}.range-head{display:flex;justify-content:space-between;font-size:12px;color:var(--muted);margin-bottom:9px}.range-head b{font:500 13px var(--mono);color:var(--navy)}input[type=range]{width:100%;accent-color:var(--teal)}
.codeblock{background:#071d3c;color:#c7e3df;border-radius:8px;padding:22px;font:12px/1.8 var(--mono);overflow:auto;white-space:pre}.check-list{list-style:none;padding:0;margin:0}.check-list li{padding:10px 0 10px 26px;position:relative;font-size:13.5px;color:#425666;border-bottom:1px solid var(--line)}.check-list li:before{content:"✓";position:absolute;left:0;color:var(--teal);font-weight:600}.cross-list li:before{content:"×";color:var(--red)}
footer{background:#071a35;color:#a9bfd4;padding:60px 0 30px}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:50px}.footer-brand b{color:#fff;font-size:16px}.footer-brand p{font-size:12.5px;max-width:320px;margin-top:15px}.footer-col h2{color:#fff;font:500 10px var(--mono);letter-spacing:.13em;text-transform:uppercase;margin-bottom:16px}.footer-col a{display:block;font-size:12.5px;margin:9px 0}.footer-col a:hover{color:#fff}.footer-bottom{border-top:1px solid #213b58;margin-top:45px;padding-top:22px;display:flex;justify-content:space-between;gap:20px;font-size:10.5px;color:#7590aa}.footer-bottom .warn-text{max-width:700px}
/* Language selector and per-page bilingual video guides */
.lang-switch{display:flex;align-items:center;gap:6px;margin-left:4px;padding-left:14px;border-left:1px solid rgba(255,255,255,.22)}.lang-switch button{appearance:none;border:0;background:transparent;color:#9fb4cb;padding:3px 2px;font:500 11px var(--sans);cursor:pointer}.lang-switch button[aria-pressed="true"]{color:#fff;font-weight:600}.lang-switch button:hover{color:#83d6cc}.lang-switch i{font-style:normal;color:#617c99;font-size:10px}html[lang="zh-CN"] body{font-family:"Inter","PingFang SC","Microsoft YaHei","Noto Sans CJK SC",system-ui,sans-serif}html[lang="zh-CN"] h1,html[lang="zh-CN"] h2{letter-spacing:-.025em}html[lang="zh-CN"] .kicker{letter-spacing:.1em}
.page-guide{padding:52px 0;background:#fff}.guide-heading{display:flex;justify-content:space-between;align-items:end;gap:40px;margin-bottom:26px}.guide-heading .kicker{margin-bottom:14px}.guide-heading h2{font-size:clamp(25px,3vw,36px);margin:0;max-width:720px}.guide-heading>p{max-width:380px;margin:0;color:var(--muted);font-size:12.5px}.guide-grid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(260px,.5fr);gap:24px;align-items:stretch}.video-shell{min-width:0;background:#061b38;border-radius:10px;overflow:hidden;box-shadow:0 16px 38px rgba(0,32,91,.12)}.video-shell video{display:block;width:100%;aspect-ratio:16/9;background:#061b38;object-fit:cover}.video-shell video::cue{background:rgba(0,18,42,.82);color:#fff;font-family:"Inter","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.45}.video-caption{display:flex;justify-content:space-between;gap:15px;padding:10px 16px;color:#a9bfd4;font:10px var(--mono);letter-spacing:.06em;text-transform:uppercase}.guide-points{border:1px solid var(--line);border-radius:10px;padding:25px;background:var(--wash)}.guide-points .code{font:10px var(--mono);letter-spacing:.13em;color:var(--teal);margin-bottom:14px}.guide-points h3{font-size:18px}.guide-points ol{padding-left:20px;margin:20px 0;color:#425666;font-size:13px}.guide-points li{padding:7px 0 7px 3px;border-bottom:1px solid var(--line)}.guide-points li::marker{font:11px var(--mono);color:var(--teal)}.guide-points details{border-top:1px solid var(--line-2);padding-top:14px;margin-top:16px}.guide-points summary{cursor:pointer;color:var(--navy);font-size:12px;font-weight:600}.guide-points details p{font-size:12px;line-height:1.7;color:var(--muted);margin:12px 0 0;max-height:190px;overflow:auto}
.reveal{opacity:0;transform:translateY(12px);transition:.55s}.reveal.in{opacity:1;transform:none}@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}}
@media(max-width:1000px){.main-nav{display:none;position:absolute;top:110px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:15px 25px;flex-direction:column;align-items:stretch}.guide-grid{grid-template-columns:1fr}.guide-heading{display:block}.guide-heading>p{margin-top:12px;max-width:650px}.guide-points ol{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.guide-points li{border-bottom:0}.main-nav.open{display:flex}.dropdown{display:none}.nav-cta{margin:10px 0}.menu-btn{display:block}.hero-grid{grid-template-columns:1fr;gap:35px}.hero-panel{max-width:560px}.stats{grid-template-columns:repeat(3,1fr)}.stat:nth-child(4){border-left:1px solid var(--line)}.g4{grid-template-columns:repeat(2,1fr)}.process{grid-template-columns:repeat(2,1fr)}.process>div:nth-child(2){border-right:0}.process>div{border-bottom:1px solid var(--line)}.footer-grid{grid-template-columns:1.5fr 1fr 1fr}.footer-brand{grid-column:1/-1}.section-head{display:block}.section-head p{margin-top:15px}}
@media(max-width:700px){.wrap{padding:0 20px}.utility .status{display:none}.page-guide{padding:44px 0}.guide-heading{margin-bottom:20px}.guide-heading h2{font-size:27px}.guide-points{padding:22px}.guide-points ol{display:block}.guide-points li{border-bottom:1px solid var(--line)}.video-shell video::cue{font-size:12px}.lang-switch{padding-left:8px;margin-left:0}.utility .wrap>span:first-child{display:none}.utility .right{gap:10px;margin-left:auto}.utility .right a:first-child{display:none}.nav-in{height:68px}.brand{min-width:0}.brand>span{display:block}.brand>span>span{display:none}.main-nav{top:102px}.hero{padding:55px 0}.stats{grid-template-columns:repeat(2,1fr)}.stat:nth-child(3),.stat:nth-child(5){border-left:1px solid var(--line)}.stat:nth-child(4){border-left:0}.g2,.g3,.g4,.split,.split.wide-left,.form-grid{grid-template-columns:1fr}.split{gap:35px}section{padding:60px 0}.process{grid-template-columns:1fr}.process>div{border-right:0}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom .warn-text{margin-bottom:12px}.sticky{position:static}}

/* Dark-surface legibility: AA contrast on #071d3c. */
.card.dark .metric-row{color:#8ba1b5}
.card.dark .metric-row b{color:#fff}
.card.dark .code,.navy-section .code{color:#25b8a8}

/* Prevent long evidence payloads from widening mobile grids. */
.split>div{min-width:0}

/* My Team: public entrance, complete private staff workspace. */
.team-intro{padding:42px 0 36px;background:var(--wash);border-bottom:1px solid var(--line)}
.team-intro-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:54px;align-items:end}
.team-intro .breadcrumb{margin-bottom:16px}.team-intro .kicker{margin-bottom:14px}
.team-intro h1{font-size:clamp(40px,4.6vw,60px);margin-bottom:14px}.team-intro .lead{font-size:16px;margin-bottom:0}
.team-access-note{padding:22px;border:1px solid var(--line-2);border-radius:9px;background:#fff}
.team-access-note .code{font:500 10px var(--mono);letter-spacing:.13em;color:var(--teal);margin-bottom:12px}
.team-access-note p{font-size:12px;line-height:1.65;color:var(--muted);margin-bottom:16px}.team-access-note .btn{width:100%}
.team-workspace{padding:0 0 54px;background:#eaf0ef;border-bottom:1px solid var(--line)}
.team-workspace-bar{min-height:44px;max-width:1440px;margin:auto;padding:10px 24px;display:flex;justify-content:space-between;align-items:center;gap:24px;color:var(--muted);font-size:11px}
.team-workspace-bar>span:first-child{display:flex;align-items:center;gap:8px;color:var(--navy);font-weight:600;white-space:nowrap}
.team-workspace-bar i{display:block;width:7px;height:7px;border-radius:50%;background:var(--teal-2);box-shadow:0 0 0 4px rgba(0,149,143,.1)}
.team-frame{display:block;width:min(1440px,100%);height:max(760px,calc(100vh - 330px));min-height:760px;margin:auto;border:0;background:#f4f7f6;box-shadow:0 12px 35px rgba(0,32,91,.08)}
.team-noscript{padding:24px;text-align:center}
@media(max-width:1000px){.nav-team{white-space:nowrap}.team-intro-grid{grid-template-columns:1fr;gap:24px}.team-access-note{max-width:560px}.team-frame{height:780px;min-height:780px}}
@media(max-width:700px){.team-intro{padding:34px 0 28px}.team-intro h1{font-size:42px}.team-intro .lead{font-size:15px}.team-workspace{padding-bottom:32px}.team-workspace-bar{align-items:flex-start;padding:10px 16px}.team-workspace-bar>span:last-child{display:none}.team-frame{height:760px;min-height:760px}}