*{margin:0;padding:0;box-sizing:border-box}
:root{color-scheme:light;--bg:#FBF7F1;--paper:#FFFDFC;--sand:#F2EAE1;--sage:#E8ECE4;--rose:#F2E3DE;--gold:#EFE2CF;--ink:#2A241F;--body:#5A5048;--muted:#8C8177;--quiet:#A1958A;--accent:#B96B4F;--accent-deep:#9D573F;--line:#E5D9CE;--line-strong:#D8C8BA;--shadow:0 18px 48px rgba(92,65,46,.08);--presence-x:50%;--presence-y:42%;font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","SF Pro Display","Helvetica Neue","Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif}
html{scroll-behavior:smooth;background:var(--bg);color-scheme:light!important;overflow-x:clip}body{margin:0;padding-top:64px;overflow-x:clip;background:linear-gradient(180deg,#FBF7F1 0%,#FFFDFC 46%,#F7F0E8 100%)!important;color:var(--ink);font:16px/1.75 var(--font,inherit);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}a{-webkit-tap-highlight-color:transparent;color:inherit}.navbar{position:fixed;inset:0 0 auto;height:64px;z-index:1000;display:flex;align-items:center;justify-content:center;padding:0 24px;background:rgba(251,247,241,.9)!important;border-bottom:1px solid var(--line);backdrop-filter:saturate(150%) blur(20px);-webkit-backdrop-filter:saturate(150%) blur(20px)}.navbar-inner{width:min(1120px,100%);display:flex;align-items:center;justify-content:space-between;gap:24px}.nav-brand{font-size:19px;font-weight:700;letter-spacing:-.025em;color:var(--ink);text-decoration:none}.nav-brand span{color:var(--accent)}.nav-links{display:flex;align-items:center;gap:24px}.nav-links a{min-height:44px;display:inline-flex;align-items:center;color:var(--body);text-decoration:none;font-size:13px;font-weight:540}.nav-links a:hover,.nav-links a:focus-visible{color:var(--accent)}
.container{width:min(1120px,calc(100% - 48px));margin:0 auto;padding-bottom:72px}.hero{display:flex;flex-direction:column;align-items:center;text-align:center;padding:76px 0 38px}.hero>div:first-child{max-width:880px}.eyebrow{display:inline-flex;align-items:center;min-height:30px;padding:5px 14px;margin-bottom:18px;border:1px solid var(--line);border-radius:999px;background:rgba(255,253,252,.72);color:var(--muted);font-size:10.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase}.identity-kicker{margin-bottom:13px;color:var(--quiet);font-size:11px;letter-spacing:.08em}h1,h2,h3,h4{text-wrap:balance;overflow-wrap:normal;word-break:normal;color:var(--ink)}html[lang^="zh"] h1,html[lang^="zh"] h2,html[lang^="zh"] h3,html[lang^="zh"] h4{line-break:strict;word-break:normal}h1{margin:0 0 16px;font-size:clamp(54px,8vw,86px);line-height:1;letter-spacing:-.055em;font-weight:720}.hero-sub{max-width:34em;margin:0 auto;color:var(--ink);font-size:clamp(21px,2.6vw,28px);line-height:1.5;font-weight:520;text-wrap:balance}.hero-intro{max-width:690px;margin:16px auto 0;color:var(--body);font-size:16px;line-height:1.9}.status-group{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin-top:26px}.status-tag{display:inline-flex;align-items:center;gap:7px;min-height:36px;padding:7px 13px;border:1px solid var(--line);border-radius:999px;background:rgba(255,253,252,.82);color:var(--body);font-size:12px}.status-tag strong{font-weight:680}.status-tag .dot{width:7px;height:7px;border-radius:50%;background:#72886A;box-shadow:0 0 0 4px rgba(114,136,106,.12)}.status-tag .muted{color:var(--muted)}.status-tag .unknown{color:var(--accent);font-weight:680}
.presence-field{width:min(780px,100%);height:238px;margin:36px auto 0;position:relative;overflow:hidden;border:1px solid var(--line);border-radius:30px;background:radial-gradient(circle at var(--presence-x) var(--presence-y),rgba(185,107,79,.14),transparent 34%),radial-gradient(circle at 82% 18%,rgba(122,145,111,.12),transparent 26%),linear-gradient(145deg,#FFFDFC,#F2EAE1)!important;box-shadow:0 24px 60px rgba(92,65,46,.08);transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease}.presence-field:hover{transform:translateY(-2px);border-color:#D9C5B6;box-shadow:0 28px 70px rgba(92,65,46,.1)}.presence-field::before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,transparent 30%,rgba(255,255,255,.45) 50%,transparent 70%);transform:translateX(-120%);animation:sheen 14s ease-in-out infinite}.presence-copy{position:absolute;left:32px;bottom:30px;text-align:left;display:flex;flex-direction:column;max-width:70%}.presence-label{font-size:10px;font-weight:700;letter-spacing:.12em;color:var(--quiet)}.presence-copy strong{margin-top:7px;font-size:36px;line-height:1.1;letter-spacing:-.035em}.presence-copy small{margin-top:8px;color:var(--body);font-size:13.5px;line-height:1.6}.presence-index{position:absolute;right:28px;top:18px;font-size:58px;font-weight:720;color:rgba(79,55,41,.07)}
.divider{height:1px;border:0;background:var(--line);margin:64px 0}.section-label{margin-bottom:18px;text-align:center;color:var(--quiet);font-size:10.5px;font-weight:700;letter-spacing:.13em;text-transform:uppercase}.section-intro{max-width:720px;margin:16px auto 0;text-align:center;color:var(--body);font-size:16px;line-height:1.9}.attention{max-width:720px;margin:-2px auto 24px;text-align:center;color:var(--body);font-size:16px;line-height:1.85}.big-question{max-width:800px;margin:0 auto 38px;padding:34px 30px;border:1px solid var(--line);border-radius:28px;background:linear-gradient(145deg,#FFFDFC,#F2EAE1);box-shadow:none}.big-question p{font-size:clamp(23px,3vw,31px);line-height:1.48;font-weight:560;letter-spacing:-.024em;text-wrap:balance}.big-question .meta{display:block;margin-top:16px;color:var(--quiet);font-size:11px}.blockquote{max-width:720px;margin:0 auto 34px;padding:4px 0 4px 24px;border-left:3px solid var(--accent);text-align:left}.blockquote p{font-size:19px;line-height:1.82}.blockquote cite{display:block;margin-top:10px;color:var(--muted);font-size:13px;font-style:normal}.stance{max-width:720px;margin:30px auto 0;padding-top:22px;border-top:1px solid var(--line);display:grid;grid-template-columns:130px 1fr;gap:22px;text-align:left}.stance>span{color:var(--accent-deep);font-size:11px;font-weight:700;letter-spacing:.06em}.stance p{color:var(--body);font-size:15px;line-height:1.85}
.identity h2,.explore h2,.boundary h2{max-width:840px;margin-inline:auto;font-size:clamp(30px,4vw,42px);line-height:1.2;letter-spacing:-.04em;font-weight:690;text-align:center}.grid-3col{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:32px 0 26px}.grid-card{min-height:196px;padding:26px;border:1px solid var(--line);border-radius:24px;background:var(--paper)!important;color:inherit;text-decoration:none;box-shadow:none;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}.grid-card:nth-child(3n+2){background:var(--sage)!important}.grid-card:nth-child(3n+3){background:var(--rose)!important}.grid-card:hover{border-color:#D7C4B5;transform:translateY(-3px);box-shadow:var(--shadow)}.card-kicker{display:block;margin-bottom:18px;color:var(--accent-deep);font-size:10px;font-weight:720;letter-spacing:.13em}.grid-card h3{margin-bottom:9px;font-size:20px;font-weight:680;letter-spacing:-.02em}.grid-card p{color:var(--body);font-size:14.5px;line-height:1.76}.identity-line{display:flex;flex-wrap:wrap;justify-content:center;gap:10px 26px;max-width:max-content;margin:0 auto;padding:14px 22px;border:1px solid var(--line);border-radius:999px;background:var(--sand)}.identity-line span{font-size:13px;color:var(--body)}.identity-line span+span::before{content:"·";margin-right:26px;color:var(--accent)}
.explore-grid{margin-top:34px}.explore-grid .grid-card{min-height:178px}.explore-grid .grid-card:nth-child(4),.explore-grid .grid-card:nth-child(5),.explore-grid .grid-card:nth-child(6){background:var(--paper)!important}.explore-grid .grid-card:nth-child(5){background:var(--gold)!important}.explore-grid .grid-card:nth-child(6){background:var(--sage)!important}
.boundary{max-width:880px;margin:0 auto 18px;text-align:center}.boundary-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:34px auto 24px}.boundary-grid>div{padding:22px 18px;border:1px solid var(--line);border-radius:22px;background:var(--paper)}.boundary-grid>div:nth-child(2){background:var(--sage)}.boundary-grid>div:nth-child(3){background:var(--rose)}.boundary-grid small{display:block;color:var(--muted);font-size:9.5px;font-weight:720;letter-spacing:.1em}.boundary-grid strong{display:block;margin-top:8px;font-size:24px;letter-spacing:-.025em}.boundary-copy{max-width:700px;margin:0 auto;color:var(--body);font-size:16px;line-height:1.9}.text-link{display:inline-flex;margin-top:20px;color:var(--ink);font-size:14px;font-weight:650;text-decoration:none}.text-link::after{content:"→";margin-left:7px;color:var(--accent)}.text-link:hover{color:var(--accent-deep)}
.footer{min-height:1px}
[data-reveal]{opacity:0;transform:translateY(12px);transition:opacity .5s ease,transform .5s ease}[data-reveal].is-visible{opacity:1;transform:none}@keyframes sheen{0%,18%{transform:translateX(-120%)}58%,100%{transform:translateX(120%)}}
:focus-visible{outline:3px solid rgba(185,107,79,.28);outline-offset:3px;border-radius:8px}
@media(max-width:768px){body{padding-top:58px}.navbar{height:58px;padding:0 16px}.nav-brand{font-size:17px}.nav-links{gap:12px}.nav-links a{font-size:12px}.container{width:calc(100% - 30px);padding-bottom:56px}.hero{padding:48px 0 28px}.eyebrow{margin-bottom:16px}.identity-kicker{font-size:10px}h1{font-size:clamp(48px,15vw,64px)}.hero-sub{font-size:20px;max-width:22em}.hero-intro{font-size:15px;max-width:32em}.status-group{margin-top:22px}.status-tag{font-size:11px;padding:6px 10px}.presence-field{height:205px;margin-top:30px;border-radius:24px}.presence-copy{left:22px;bottom:22px;max-width:76%}.presence-copy strong{font-size:30px}.presence-copy small{font-size:12.5px}.presence-index{right:18px;font-size:42px}.divider{margin:48px 0}.big-question{padding:26px 20px;border-radius:22px}.big-question p{font-size:21px}.blockquote p{font-size:17px}.stance{grid-template-columns:1fr;gap:8px}.grid-3col{grid-template-columns:1fr;gap:12px}.grid-card{min-height:0;padding:22px}.identity-line{border-radius:22px;gap:7px 16px}.identity-line span+span::before{margin-right:16px}.boundary-grid{grid-template-columns:1fr;gap:10px}.boundary-grid>div{padding:18px}.boundary h2,.identity h2,.explore h2{font-size:30px}}
@media(max-width:480px){.nav-links a:nth-child(3),.nav-links a:nth-child(4){display:none}.hero{padding-top:38px}.hero-sub{font-size:19px}.section-intro,.boundary-copy{font-size:15px}.identity-line{flex-direction:column;border-radius:20px}.identity-line span+span::before{content:"";margin:0}.grid-card h3{font-size:19px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important;transform:none!important}}