:root{--ink:#15251f;--pine:#193a2c;--forest:#0d2a20;--cream:#f4f0e6;--paper:#fbfaf6;--clay:#b7653f;--gold:#c99d5c;--line:rgba(21,37,31,.16)}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",system-ui,sans-serif}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}


.site-header{position:absolute;z-index:20;top:0;left:0;right:0;display:flex;align-items:center;justify-content:space-between;padding:26px clamp(24px,5vw,76px);color:#fff}
.brand{display:inline-flex;align-items:center;gap:13px}
.brand-mark{display:grid;place-items:center;width:46px;height:46px;border:1px solid currentColor;border-radius:50%;font-family:Georgia,serif;font-size:16px;letter-spacing:-1px}
.brand-name{display:flex;flex-direction:column;gap:3px}
.brand-name strong{font-size:16px;letter-spacing:.08em;font-weight:600}
.brand-name small{font-size:9px;letter-spacing:.22em;opacity:.68}
.desktop-nav{display:flex;gap:clamp(22px,3vw,48px);font-size:13px}
.desktop-nav a{opacity:.78;transition:opacity .2s}
.desktop-nav a:hover{opacity:1}
.system-link{padding:11px 17px;border:1px solid rgba(255,255,255,.45);border-radius:999px;font-size:12px;transition:background .2s,color .2s}
.system-link:hover{background:#fff;color:var(--forest)}


.hero{min-height:100svh;display:grid;grid-template-columns:minmax(0,1.06fr) minmax(420px,.94fr);background:var(--forest);color:#fff}
.hero-copy{display:flex;flex-direction:column;justify-content:center;padding:150px clamp(28px,7vw,110px) 80px;background:radial-gradient(circle at 18% 65%,rgba(184,118,69,.16),transparent 30%),linear-gradient(135deg,#0d2b20,#163529 70%,#1e4233)}
.eyebrow{display:flex;align-items:center;gap:12px;margin:0 0 26px;color:#6d786f;font-size:11px;letter-spacing:.23em;text-transform:uppercase}
.eyebrow span{width:28px;height:1px;background:currentColor}
.hero .eyebrow,.eyebrow-light{color:rgba(255,255,255,.58)}
.hero h1{max-width:800px;margin:0;font-family:"Songti SC","STSong",Georgia,serif;font-size:clamp(52px,6.1vw,92px);font-weight:500;line-height:1.13;letter-spacing:-.045em}
.hero-intro{max-width:620px;margin:34px 0 0;color:rgba(255,255,255,.69);font-size:clamp(15px,1.3vw,18px);line-height:2}
.hero-intro strong{color:#fff;font-weight:500}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:38px}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 25px;border-radius:2px;font-size:13px;letter-spacing:.04em}
.button-primary{background:var(--cream);color:var(--forest)}
.button-secondary{border:1px solid rgba(255,255,255,.3);color:#fff}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px 25px;margin-top:54px;color:rgba(255,255,255,.45);font-size:11px;letter-spacing:.08em}
.hero-meta span::before{content:"·";margin-right:9px;color:var(--gold)}
.hero-visual{position:relative;min-height:640px;overflow:hidden;background:#24382f}
.hero-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(13,42,32,.25),transparent 30%),linear-gradient(0deg,rgba(5,23,17,.56),transparent 55%);pointer-events:none}
.hero-visual img{width:100%;height:100%;object-fit:cover;filter:saturate(.78) contrast(1.04)}
.coordinates{position:absolute;z-index:2;right:clamp(24px,4vw,60px);bottom:55px;display:flex;flex-direction:column;align-items:flex-end;color:#fff}
.coordinates small{font-size:9px;letter-spacing:.2em;opacity:.58}
.coordinates strong{margin:4px 0;font-family:Georgia,serif;font-size:56px;font-weight:400}
.coordinates span{font-size:9px;letter-spacing:.16em;opacity:.62}
.image-note,.concept-badge{position:absolute;z-index:2;margin:0;padding:8px 11px;border:1px solid rgba(255,255,255,.18);background:rgba(13,42,32,.68);color:rgba(255,255,255,.82);font-size:9px;letter-spacing:.12em;backdrop-filter:blur(7px)}
.image-note{left:24px;bottom:24px}


.manifesto{padding:clamp(90px,12vw,180px) 24px;text-align:center;background:var(--cream)}
.manifesto p{margin:0 0 22px;color:#7b766c;font-size:14px}
.manifesto h2{margin:0;font-family:"Songti SC","STSong",Georgia,serif;font-size:clamp(34px,4.4vw,64px);font-weight:400;line-height:1.5;letter-spacing:-.035em}
.section{padding:clamp(84px,10vw,150px) clamp(24px,7vw,110px)}
.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:50px;margin-bottom:56px}
.section-heading h2,.welfare-copy h2,.digital-heading h2,.closing h2{margin:0;font-family:"Songti SC","STSong",Georgia,serif;font-size:clamp(38px,4.2vw,62px);font-weight:400;line-height:1.28;letter-spacing:-.035em}
.section-heading>p{max-width:390px;margin:0;color:#6e786f;font-size:14px;line-height:1.9}


.standards-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.standard-card{min-height:310px;padding:35px 30px;border-right:1px solid var(--line);transition:background .25s,transform .25s}
.standard-card:last-child{border-right:0}
.standard-card:hover{background:var(--cream);transform:translateY(-5px)}
.card-number{color:var(--clay);font-family:Georgia,serif;font-size:13px}
.standard-card h3{margin:95px 0 18px;font-family:"Songti SC",serif;font-size:27px;font-weight:500}
.standard-card p{margin:0;color:#667069;font-size:13px;line-height:1.9}


.trace-section{display:grid;grid-template-columns:1fr 1fr;background:var(--forest);color:#fff}
.trace-copy{padding:clamp(80px,9vw,140px) clamp(24px,7vw,110px);background:radial-gradient(circle at 20% 90%,rgba(188,115,71,.15),transparent 40%)}
.trace-copy h2{margin:0;font-family:"Songti SC",serif;font-size:clamp(40px,4.3vw,64px);font-weight:400;line-height:1.28}
.trace-copy>p:not(.eyebrow){max-width:560px;margin:28px 0 0;color:rgba(255,255,255,.6);font-size:14px;line-height:2}
.identity-card{max-width:530px;margin-top:50px;padding:28px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.04);backdrop-filter:blur(10px)}
.identity-top{display:flex;flex-direction:column;gap:12px}
.identity-top span{font-size:9px;letter-spacing:.2em;color:var(--gold)}
.identity-top strong{font-family:ui-monospace,monospace;font-size:clamp(20px,2.4vw,34px);font-weight:400;letter-spacing:.04em}
.identity-lines{display:flex;align-items:center;gap:10px;margin-top:26px;color:rgba(255,255,255,.44);font-size:10px}
.identity-lines i{flex:1;height:1px;background:rgba(255,255,255,.15)}
.record-list{margin:0;padding:0;list-style:none;background:#f1ede3;color:var(--ink)}
.record-list li{display:grid;grid-template-columns:62px 1fr;gap:24px;align-items:center;min-height:128px;padding:25px clamp(28px,5vw,76px);border-bottom:1px solid var(--line)}
.record-list>li>span{color:var(--clay);font-family:Georgia,serif;font-size:13px}
.record-list h3{margin:0 0 8px;font-family:"Songti SC",serif;font-size:25px;font-weight:500}
.record-list p{margin:0;color:#69726b;font-size:13px;line-height:1.7}


.welfare-section{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(50px,9vw,130px);align-items:stretch}
.welfare-visual{min-height:620px;position:relative;background:linear-gradient(145deg,rgba(20,59,44,.1),rgba(183,101,63,.06)),url('/welfare-angus-1000head-v7.png') center/cover}
.concept-badge{top:24px;left:24px}
.welfare-quote{position:absolute;left:24px;right:24px;bottom:24px;padding:30px;background:rgba(13,42,32,.86);color:#fff;backdrop-filter:blur(8px)}
.welfare-quote span{font-size:9px;letter-spacing:.2em;color:var(--gold)}
.welfare-quote p{margin:15px 0 0;font-family:"Songti SC",serif;font-size:clamp(20px,2vw,30px);line-height:1.5}
.welfare-copy{display:flex;flex-direction:column;justify-content:center;padding:30px 0}
.section-lead{max-width:590px;margin:28px 0 34px;color:#657069;font-size:15px;line-height:2}
.welfare-copy ul{margin:0;padding:0;list-style:none}
.welfare-copy li{position:relative;padding:17px 0 17px 28px;border-top:1px solid var(--line);font-size:14px}
.welfare-copy li::before{content:"";position:absolute;left:2px;top:24px;width:7px;height:7px;border:1px solid var(--clay);border-radius:50%}
.promise-note{margin-top:28px;color:#8a8e89;font-size:11px;line-height:1.7}


.digital-section{padding:clamp(90px,10vw,150px) clamp(24px,7vw,110px);background:#10271f;color:#fff;overflow:hidden}
.digital-heading{display:grid;grid-template-columns:1.25fr .75fr;gap:60px;align-items:end}
.digital-heading .eyebrow{grid-column:1/-1;margin-bottom:-20px}
.digital-heading>p:not(.eyebrow){max-width:440px;margin:0;color:rgba(255,255,255,.55);font-size:14px;line-height:2}
.data-window{margin-top:70px;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.035);box-shadow:0 35px 90px rgba(0,0,0,.25)}
.window-bar{height:52px;display:flex;align-items:center;gap:8px;padding:0 18px;border-bottom:1px solid rgba(255,255,255,.12)}
.window-bar i{width:7px;height:7px;border-radius:50%;background:rgba(255,255,255,.22)}
.window-bar span{margin-left:auto;color:rgba(255,255,255,.32);font-size:8px;letter-spacing:.18em}
.window-body{display:grid;grid-template-columns:.9fr 1.1fr;min-height:430px}
.data-primary{display:flex;flex-direction:column;justify-content:space-between;padding:clamp(30px,4vw,60px);border-right:1px solid rgba(255,255,255,.12)}
.data-primary small,.data-grid small{color:var(--gold);font-size:9px;letter-spacing:.18em}
.data-primary strong{max-width:420px;font-family:"Songti SC",serif;font-size:clamp(30px,3vw,46px);font-weight:400;line-height:1.4}
.data-wave{height:90px;display:flex;align-items:flex-end;gap:8px}
.data-wave span{flex:1;min-width:7px;background:linear-gradient(var(--clay),rgba(183,101,63,.15))}
.data-wave span:nth-child(1){height:28%}
.data-wave span:nth-child(2){height:45%}
.data-wave span:nth-child(3){height:36%}
.data-wave span:nth-child(4){height:74%}
.data-wave span:nth-child(5){height:57%}
.data-wave span:nth-child(6){height:82%}
.data-wave span:nth-child(7){height:100%}
.data-grid{display:grid;grid-template-columns:1fr 1fr}
.data-grid>div{display:flex;flex-direction:column;justify-content:center;gap:10px;padding:clamp(25px,4vw,50px);border-right:1px solid rgba(255,255,255,.1);border-bottom:1px solid rgba(255,255,255,.1)}
.data-grid>div:nth-child(2n){border-right:0}
.data-grid>div:nth-child(n+3){border-bottom:0}
.data-grid strong{font-family:"Songti SC",serif;font-size:24px;font-weight:400}
.data-grid span{color:rgba(255,255,255,.42);font-size:11px}
.ai-note{display:grid;grid-template-columns:180px 1fr;gap:30px;margin-top:28px;padding:24px 0;border-top:1px solid rgba(255,255,255,.12)}
.ai-note span{color:var(--gold);font-size:9px;letter-spacing:.18em}
.ai-note p{max-width:800px;margin:0;color:rgba(255,255,255,.48);font-size:12px;line-height:1.8}


.progress-section{background:var(--cream)}
.roadmap{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.roadmap-card{min-height:270px;padding:32px;background:rgba(255,255,255,.58);border-top:3px solid #c7c1b4}
.roadmap-card.active{background:var(--paper);border-color:var(--clay)}
.roadmap-card span{color:var(--clay);font-family:Georgia,serif;font-size:12px;letter-spacing:.12em}
.roadmap-card h3{margin:82px 0 16px;font-family:"Songti SC",serif;font-size:25px;font-weight:500}
.roadmap-card p{margin:0;color:#68716a;font-size:13px;line-height:1.9}

.closing{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:end;padding:clamp(90px,10vw,150px) clamp(24px,7vw,110px);background:var(--cream);color:var(--forest)}
.closing::before{content:"";position:absolute;top:0;left:clamp(24px,7vw,110px);width:74px;height:4px;background:var(--clay)}
.closing .eyebrow-light{color:#7d827c}
.closing>p{margin:0;padding-bottom:8px;color:#56635c;font-size:14px;line-height:2}
.closing>p span{color:#8a8f89;font-size:11px}
footer{display:grid;grid-template-columns:1fr 1fr 1fr;align-items:center;gap:30px;padding:38px clamp(24px,5vw,76px);background:#081a14;color:#fff}
footer>p{margin:0;color:rgba(255,255,255,.48);font-size:11px;text-align:center;letter-spacing:.08em}
footer>div{display:flex;flex-direction:column;align-items:flex-end;gap:7px;color:rgba(255,255,255,.38);font-size:9px;letter-spacing:.1em}
.footer-brand .brand-mark{width:38px;height:38px;font-size:13px}


@media(max-width:980px){.desktop-nav{display:none}
.hero{grid-template-columns:1fr}
.hero-copy{min-height:720px;padding-top:140px}
.hero-visual{min-height:70svh}
.standards-grid{grid-template-columns:1fr 1fr}
.standard-card:nth-child(2){border-right:0}
.standard-card:nth-child(-n+2){border-bottom:1px solid var(--line)}
.trace-section,.welfare-section{grid-template-columns:1fr}
.welfare-visual{min-height:70svh}
.digital-heading{grid-template-columns:1fr}
.window-body{grid-template-columns:1fr}
.data-primary{min-height:350px;border-right:0;border-bottom:1px solid rgba(255,255,255,.12)}
.closing{grid-template-columns:1fr}
}

@media(max-width:680px){.site-header{padding:20px}
.brand-name strong{font-size:14px}
.system-link{padding:9px 12px;font-size:10px}
.hero-copy{min-height:730px;padding:130px 24px 70px}
.hero h1{font-size:clamp(46px,14vw,64px)}
.hero-intro{line-height:1.85}
.hero-meta{gap:10px 14px}
.hero-visual{min-height:520px}
.manifesto br{display:none}
.section-heading{align-items:flex-start;flex-direction:column;gap:24px}
.standards-grid{grid-template-columns:1fr}
.standard-card{min-height:245px;border-right:0;border-bottom:1px solid var(--line)}
.standard-card h3{margin-top:58px}
.record-list li{grid-template-columns:38px 1fr;gap:12px;padding:22px 24px}
.identity-lines{flex-wrap:wrap}
.identity-lines i{min-width:20px}
.welfare-visual{min-height:540px}
.data-grid{grid-template-columns:1fr}
.data-grid>div{min-height:155px;border-right:0;border-bottom:1px solid rgba(255,255,255,.1)!important}
.data-grid>div:last-child{border-bottom:0!important}
.ai-note{grid-template-columns:1fr}
.roadmap{grid-template-columns:1fr}
.roadmap-card{min-height:235px}
.roadmap-card h3{margin-top:55px}
footer{grid-template-columns:1fr;text-align:center}
footer>div{align-items:center}
}

@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}
*,*::before,*::after{transition-duration:.01ms!important}
}

/* North 47 visual refinement v2 */
@font-face{font-family:"N47 Serif";src:url('/fonts/n47-serif-medium.woff2') format('woff2');font-style:normal;font-weight:500;font-display:swap}

:root{--sans:"PingFang SC","Hiragino Sans GB","Noto Sans CJK SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;--serif:"N47 Serif","Source Han Serif SC","Songti SC","STSong",serif;--soft-shadow:0 24px 70px rgba(21,37,31,.09)}
html{scroll-padding-top:88px}
body{font-family:var(--sans);line-height:1.6;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
::selection{background:rgba(201,157,92,.28);color:var(--forest)}

.site-header{padding-top:22px;padding-bottom:22px;border-bottom:1px solid rgba(255,255,255,.1);background:linear-gradient(180deg,rgba(5,23,17,.46),rgba(5,23,17,.12) 72%,transparent);backdrop-filter:blur(2px)}
.brand{gap:14px}
.brand-mark{border-color:rgba(255,255,255,.62);background:rgba(255,255,255,.035);box-shadow:inset 0 0 0 1px rgba(201,157,92,.16);font-variant-numeric:lining-nums}
.brand-name strong{font-weight:500;letter-spacing:.12em}
.brand-name small{letter-spacing:.24em;opacity:.62}
.desktop-nav a{position:relative;padding:10px 0;font-size:12px;letter-spacing:.08em;opacity:.72}
.desktop-nav a::after{content:"";position:absolute;left:0;right:100%;bottom:3px;height:1px;background:var(--gold);transition:right .25s ease}
.desktop-nav a:hover::after{right:0}
.system-link{border-color:rgba(255,255,255,.36);background:rgba(9,31,23,.12);letter-spacing:.05em;backdrop-filter:blur(8px)}

.hero-copy{background:radial-gradient(circle at 16% 70%,rgba(184,118,69,.18),transparent 34%),linear-gradient(145deg,#0b281e,#16372a 72%,#1d4333)}
.hero h1,.manifesto h2,.section-heading h2,.welfare-copy h2,.digital-heading h2,.closing h2,.trace-copy h2,.standard-card h3,.record-list h3,.welfare-quote p,.data-primary strong,.data-grid strong,.roadmap-card h3{font-family:var(--serif);font-weight:500;letter-spacing:-.012em;text-wrap:balance}
.hero h1{line-height:1.17}
.hero-intro{letter-spacing:.01em}
.button{border:1px solid transparent;box-shadow:0 12px 30px rgba(3,18,13,.08);font-weight:500;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease}
.button:hover{transform:translateY(-2px);box-shadow:0 15px 34px rgba(3,18,13,.16)}
.button-primary{border-color:rgba(255,255,255,.3)}
.button-secondary{border-color:rgba(255,255,255,.34);background:rgba(255,255,255,.025);backdrop-filter:blur(6px)}
.hero-meta{letter-spacing:.11em}
.hero-visual img{transition:transform 1.2s cubic-bezier(.2,.65,.3,1)}
.hero-visual:hover img{transform:scale(1.018)}

.manifesto{position:relative}
.manifesto::before{content:"47° N";position:absolute;top:38px;left:50%;transform:translateX(-50%);color:rgba(13,42,32,.26);font-family:Georgia,serif;font-size:10px;letter-spacing:.28em}
.manifesto h2{line-height:1.55}
.section-heading{padding-top:22px;border-top:1px solid rgba(21,37,31,.13)}
.section-heading>p{line-height:2}
.standard-card{position:relative;overflow:hidden;background:rgba(255,255,255,.18);transition:background .25s,transform .25s,box-shadow .25s}
.standard-card::before{content:"";position:absolute;top:0;left:0;width:0;height:2px;background:var(--clay);transition:width .3s ease}
.standard-card:hover{z-index:1;background:var(--paper);box-shadow:var(--soft-shadow);transform:translateY(-3px)}
.standard-card:hover::before{width:100%}
.standard-card p,.record-list p,.roadmap-card p{line-height:2}

.identity-card{border-color:rgba(255,255,255,.2);background:linear-gradient(135deg,rgba(255,255,255,.07),rgba(255,255,255,.025));box-shadow:0 22px 55px rgba(3,18,13,.18)}
.record-list li{transition:background .22s ease,padding-left .22s ease}
.record-list li:hover{padding-left:calc(clamp(28px,5vw,76px) + 6px);background:#f8f5ed}
.welfare-visual{border:1px solid rgba(21,37,31,.1);box-shadow:var(--soft-shadow)}
.welfare-quote{border-top:1px solid rgba(201,157,92,.46);box-shadow:0 18px 50px rgba(3,18,13,.22)}
.welfare-copy li{line-height:1.8}
.data-window{border-color:rgba(255,255,255,.2);box-shadow:0 38px 100px rgba(0,0,0,.3)}
.roadmap-card{border-right:1px solid rgba(21,37,31,.07);border-bottom:1px solid rgba(21,37,31,.08);border-left:1px solid rgba(21,37,31,.07);box-shadow:0 14px 40px rgba(21,37,31,.045);transition:transform .24s ease,box-shadow .24s ease}
.roadmap-card:hover{transform:translateY(-3px);box-shadow:var(--soft-shadow)}
.roadmap-card.active{box-shadow:0 20px 55px rgba(21,37,31,.08)}
.closing::before{height:3px;background:linear-gradient(90deg,var(--clay),var(--gold))}
footer{border-top:1px solid rgba(255,255,255,.08)}

@media(max-width:680px){
.site-header{padding:15px 18px;background:rgba(7,28,20,.72);backdrop-filter:blur(12px)}
.brand{gap:10px}
.brand-mark{width:39px;height:39px;font-size:13px}
.brand-name strong{font-size:13px;letter-spacing:.08em}
.brand-name small{font-size:7px;letter-spacing:.16em}
.system-link{padding:8px 10px;font-size:9px}
.hero-copy{min-height:700px;padding-top:118px}
.hero h1{font-size:clamp(43px,13.5vw,60px);line-height:1.2;letter-spacing:-.018em}
.manifesto::before{top:28px}
.section-heading{padding-top:18px}
.standard-card:hover,.roadmap-card:hover{transform:none}
.record-list li:hover{padding-left:24px}
}