@charset "UTF-8";
:root{--paper:#f8faf6;--ink:#183333;--muted:#667672;--line:#dbe3dc;--dark:#103033;--accent:#c4ed8b;--accent-soft:#e9f2df;--hero-muted:#bed0c9;--font:Inter,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",system-ui,sans-serif}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:95px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font);font-size:15px;line-height:1.8;-webkit-font-smoothing:antialiased}
body.theme-deyun{--dark:#10343a;--accent:#91e4db;--accent-soft:#e2f1ed;--paper:#f7faf8;--hero-muted:#bfd7d6}
body.theme-baide{--dark:#162e48;--accent:#b5ccff;--accent-soft:#e7edf7;--paper:#f7f9fb;--ink:#1b344c;--hero-muted:#c1ccdc;--line:#dce3eb;--muted:#657487}
body.theme-journal{--dark:#33352f;--accent:#f2c39d;--accent-soft:#f3e9df;--paper:#faf8f3;--ink:#373a31;--hero-muted:#d4d4c5;--line:#e3e0d6;--muted:#76796c}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button,a{-webkit-tap-highlight-color:transparent}
button{cursor:pointer}
button:focus-visible,a:focus-visible{outline:3px solid #398f89;outline-offset:5px}
svg{display:block;width:24px;height:24px;flex:none}
button{color:inherit}
::selection{background:var(--accent);color:#183333}
.wrap{width:min(1280px,calc(100% - 112px));margin-inline:auto}
.skip-link{position:fixed;top:10px;left:16px;z-index:100;padding:10px 20px;background:var(--paper);color:var(--ink);transform:translateY(-160%)}
.skip-link:focus{transform:none}
.site-header{position:relative;z-index:20;background:var(--paper);border-bottom:1px solid var(--line)}
.header-inner{height:100px;display:flex;justify-content:space-between;align-items:center;gap:32px}
.brand{display:inline-flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{width:43px;height:43px}
.brand-type{display:grid;gap:1px;line-height:1.5}
.brand-type strong{font-size:23px;font-weight:650;letter-spacing:.025em}
.brand-type>span{font-size:9px;letter-spacing:.14em;color:var(--muted);font-weight:600}
.site-nav{display:flex;align-items:center;gap:34px;font-size:14px}
.site-nav>a{transition:color .18s ease}
.site-nav>a:hover{color:#3a8271}
.site-nav .nav-contact{display:flex;align-items:center;gap:24px;border:1px solid var(--ink);padding:11px 17px;margin-left:6px;line-height:1.4}
.nav-contact svg{width:17px;height:17px}
.menu-toggle{display:none}
.hero{overflow:hidden;position:relative;background:var(--dark);color:#f5f8ee}
.hero-content{display:grid;grid-template-columns:1.22fr 1fr;gap:32px;align-items:center;padding-block:81px 61px;min-height:580px}
.eyebrow{display:flex;align-items:center;gap:10px;margin:0 0 30px;color:var(--hero-muted);font-size:13px;letter-spacing:.14em}
.eyebrow>span{height:6px;width:6px;background:var(--accent);border-radius:50%}
h1,h2,h3,p{margin-top:0}
h1{margin-bottom:24px;font-size:clamp(42px,5.3vw,76px);font-weight:600;line-height:1.3;letter-spacing:-.05em}
h1 em{font-style:normal;color:var(--accent)}
.hero-intro{font-size:17px;line-height:1.9;color:var(--hero-muted);margin-bottom:30px}
.hero-actions{display:flex;align-items:center;gap:27px}
.button{display:inline-flex;align-items:center;justify-content:center;gap:30px;padding:15px 22px;font-size:14px;font-weight:600;line-height:1.8;transition:background .2s,transform .2s}
.button svg{width:21px;height:21px}
.button-primary{background:var(--accent);color:var(--dark)}
.button-primary:hover{background:#fff;transform:translateY(-2px)}
.hero-contact{display:flex;align-items:center;gap:12px;font-size:14px;color:#edf3e7}
.hero-contact svg{width:16px;height:16px}
.hero-contact:hover{color:var(--accent)}
.hero-bottom{display:flex;align-items:center;justify-content:space-between;border-top:1px solid #ffffff24;padding-block:22px}
.hero-tags{display:flex;color:var(--hero-muted);font-size:12px;letter-spacing:.06em}
.hero-tags span+span:before{content:"/";margin-inline:24px;opacity:.45}
.scroll-link{display:flex;gap:24px;align-items:center;color:var(--hero-muted);font-size:12px}
.scroll-arrow{display:flex;align-items:center;justify-content:center;width:27px;height:27px;border:1px solid #ffffff40;border-radius:50%;font-size:16px;line-height:1}
.hero-art{height:420px;position:relative;isolation:isolate;user-select:none}
.art-grid{position:absolute;inset:15px -20px 0;background-image:linear-gradient(#c3e7dc09 1px,transparent 1px),linear-gradient(90deg,#c3e7dc09 1px,transparent 1px);background-size:32px 32px;mask-image:radial-gradient(ellipse at center,#000 10%,transparent 73%)}
.art-halo{position:absolute;inset:20px 0;background:radial-gradient(ellipse at 52% 52%,color-mix(in srgb,var(--accent) 14%,transparent),transparent 65%);z-index:-1}
.art-topline{position:absolute;left:24px;top:14px;font-size:9px;letter-spacing:.22em;color:var(--hero-muted);opacity:.6}
.orbit{position:absolute;left:50%;top:51%;border:1px solid color-mix(in srgb,var(--accent) 24%,transparent);border-radius:50%}
.orbit-one{width:330px;height:330px;transform:translate(-50%,-50%)}
.orbit-one:before{content:"";position:absolute;width:8px;height:8px;border-radius:50%;background:var(--accent);top:37px;right:51px;box-shadow:0 0 16px color-mix(in srgb,var(--accent) 50%,transparent)}
.orbit-two{width:440px;height:190px;transform:translate(-50%,-50%) rotate(-35deg);border-style:dashed;border-color:color-mix(in srgb,var(--accent) 30%,transparent)}
.art-core{width:180px;height:180px;position:absolute;left:50%;top:51%;transform:translate(-50%,-50%) rotate(-12deg);border:1px solid color-mix(in srgb,var(--accent) 37%,transparent);background:linear-gradient(140deg,#ffffff10,#ffffff02);box-shadow:inset 0 0 45px #ffffff04,0 24px 70px #0000001a;border-radius:28px}
.art-core:before{content:"";position:absolute;inset:11px;border:1px solid #ffffff12;border-radius:19px}
.core-inner{transform:rotate(12deg);height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;color:var(--accent)}
.core-inner .brand-mark{width:66px;height:66px}
.core-inner>span{font-size:13px;letter-spacing:.3em;margin-left:4px}
.art-node{position:absolute;display:flex;align-items:center;gap:12px;padding:12px 15px;border:1px solid #ffffff26;background:var(--dark);box-shadow:0 8px 25px #00000012;font-size:13px;min-width:128px}
.node-dot{width:5px;height:5px;background:var(--accent);border-radius:50%;flex:none}
.node-id{font-family:monospace;font-size:10px;letter-spacing:.1em;color:var(--hero-muted);opacity:.55;margin-left:auto}
.node-1{top:81px;left:8px;transform:rotate(-3deg)}
.node-2{top:188px;right:-2px;transform:rotate(3deg)}
.node-3{bottom:47px;left:33px;transform:rotate(-3deg)}
.art-cross{position:absolute;font-size:22px;font-weight:200;color:var(--accent);opacity:.5}
.cross-one{right:5px;top:45px}
.cross-two{left:3px;bottom:104px}
.art-baseline{position:absolute;bottom:0;left:25px;right:0;display:flex;align-items:center;justify-content:space-between;color:var(--hero-muted);opacity:.55;font-family:monospace;font-size:10px;letter-spacing:.08em}
.art-coordinate{font-size:8px;letter-spacing:.15em}
.theme-journal .art-core{border-radius:4px;transform:translate(-50%,-50%) rotate(-9deg);box-shadow:11px 11px 0 -1px var(--dark),11px 11px 0 0 #f2c39d40}
.theme-journal .art-core:before{border-radius:0;border-left:0;border-right:0;inset:20px 12px;background:repeating-linear-gradient(transparent 0,transparent 24px,#f2c39d10 25px)}
.theme-journal .orbit-two{border-style:solid}
.section{padding-block:98px;scroll-margin-top:0}
.section-index{display:flex;align-items:center;gap:30px;font-size:11px;font-weight:500;letter-spacing:.1em;margin-bottom:45px}
.section-index>span:first-child{font-family:monospace;letter-spacing:.12em;color:var(--muted)}
.section-index>span+span:before{content:"";display:inline-block;vertical-align:middle;width:25px;height:1px;background:var(--line);margin-right:30px}
h2{font-size:clamp(30px,3vw,42px);line-height:1.5;font-weight:550;letter-spacing:-.025em;margin-bottom:0}
.about-layout{display:grid;grid-template-columns:1fr 1fr;gap:80px}
.section-note{font-size:13px;color:var(--muted);margin-top:27px;margin-bottom:0;padding-left:22px;border-left:2px solid var(--accent)}
.about-copy{padding-top:6px}
.about-copy .lead{font-size:20px;line-height:1.8;color:var(--ink);margin-bottom:22px}
.about-copy>p{color:var(--muted);line-height:2.05;font-size:14px;margin-bottom:17px}
.about-copy>p:last-child{margin-bottom:0}
.directions{background:color-mix(in srgb,var(--accent-soft) 52%,var(--paper));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-heading{display:grid;grid-template-columns:1.1fr 1fr;gap:100px;align-items:end;margin-bottom:50px}
.section-heading>p{font-size:14px;color:var(--muted);line-height:1.95;margin-bottom:7px;max-width:400px;justify-self:end}
.direction-list{border-top:1px solid var(--line)}
.direction-row{display:grid;grid-template-columns:58px 1fr 1.4fr 60px;gap:26px;align-items:start;padding-block:32px;border-bottom:1px solid var(--line)}
.direction-number{font-family:monospace;font-size:12px;color:var(--muted);padding-top:5px}
.direction-title>span{font-size:10px;font-family:monospace;letter-spacing:.1em;color:var(--muted)}
.direction-title h3{font-size:24px;font-weight:500;margin:3px 0 0;line-height:1.5}
.direction-description>p{font-size:14px;color:var(--muted);line-height:1.9;margin-bottom:15px;max-width:470px}
.tag-list{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.tag-list li{font-size:10px;line-height:1.5;padding:5px 10px;border:1px solid var(--line);color:var(--muted)}
.direction-symbol{font-size:42px;font-weight:200;line-height:1.2;justify-self:end;color:var(--ink);opacity:.65}
.principles-heading{display:flex;justify-content:space-between;gap:50px;align-items:center;margin-bottom:45px}
.mini-label{font-family:monospace;font-size:10px;letter-spacing:.13em;color:var(--muted)}
.principles-heading h2{font-size:27px}
.principle-list{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);padding-top:35px;gap:50px}
.principle{position:relative;padding-left:48px}
.principle+.principle:before{content:"";position:absolute;left:-25px;top:2px;bottom:0;width:1px;background:var(--line)}
.principle-dot{position:absolute;left:0;top:1px;font-size:25px;font-weight:200;line-height:1.1}
.principle h3{font-size:18px;font-weight:500;margin-bottom:8px}
.principle p{font-size:13px;color:var(--muted);margin-bottom:0;line-height:1.9}
.network{background:#fff;border-top:1px solid var(--line)}
.network-heading{margin-bottom:44px}
.brand-network{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.network-brand{padding:26px 25px 27px;display:flex;flex-direction:column;position:relative;transition:background .2s}
.network-brand+.network-brand{border-left:1px solid var(--line)}
.network-brand.is-current{background:var(--accent-soft)}
.network-brand:hover{background:var(--accent-soft)}
.network-brand-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:30px}
.network-brand-top svg{width:18px;height:18px;transition:transform .2s}
.network-brand:hover .network-brand-top svg{transform:translate(2px,-2px)}
.network-number{font-family:monospace;font-size:10px;color:var(--muted)}
.current-label{font-size:10px;color:var(--ink);display:flex;align-items:center;gap:5px}
.current-label:before{content:"";width:4px;height:4px;border-radius:50%;background:var(--ink)}
.network-brand>strong{font-size:23px;line-height:1.5;font-weight:550;margin-bottom:3px}
.network-domain{font-size:13px;color:var(--muted);margin-bottom:25px}
.network-detail{font-size:11px;color:var(--muted)}
.contact{background:var(--accent-soft);border-top:1px solid var(--line)}
.contact-layout{display:grid;grid-template-columns:1fr 1fr;gap:100px;align-items:center}
.contact-copy .mini-label{margin-bottom:22px}
.contact-copy h2{font-size:clamp(34px,3.4vw,48px);line-height:1.45;margin-bottom:24px}
.contact-copy>p:last-child{color:var(--muted);font-size:14px;line-height:2;max-width:350px;margin-bottom:0}
.contact-method{display:block;padding:25px 0;border-bottom:1px solid color-mix(in srgb,var(--ink) 20%,transparent)}
.contact-method:first-child{border-top:1px solid color-mix(in srgb,var(--ink) 20%,transparent)}
.method-label{display:flex;align-items:center;gap:9px;color:var(--muted);font-size:11px;letter-spacing:.06em;margin-bottom:12px}
.method-label svg{width:16px;height:16px}
.method-value{font-size:clamp(23px,2.1vw,31px);letter-spacing:-.035em;line-height:1.5;word-break:break-word}
.email-method .method-value{display:block;margin-bottom:14px}
.method-action{display:flex;align-items:center;gap:12px;font-size:11px}
.method-action svg{width:14px;height:14px;transition:transform .2s}
.email-method:hover .method-action svg{transform:translate(3px,-3px)}
.qq-symbol{font-family:Georgia,serif;font-size:15px;line-height:1;font-weight:bold;width:16px;text-align:center}
.qq-line{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:12px}
.copy-button{display:none;align-items:center;gap:6px;border:1px solid color-mix(in srgb,var(--ink) 25%,transparent);padding:7px 10px;background:transparent;font-size:10px;white-space:nowrap;transition:background .2s}
.js .copy-button{display:inline-flex}
.copy-button:hover{background:#ffffff80}
.copy-button svg{width:12px;height:12px}
.method-note{font-size:11px;color:var(--muted)}
.site-footer{padding:43px 0 23px}
.footer-top{display:flex;align-items:center;justify-content:space-between;gap:30px;padding-bottom:33px}
.footer-brand{gap:9px;font-size:19px;font-weight:550}
.footer-brand .brand-mark{width:31px;height:31px}
.footer-top>p{font-size:12px;color:var(--muted);margin:0;flex:1;padding-left:23px}
.back-top{display:flex;align-items:center;gap:13px;font-size:11px;white-space:nowrap}
.back-top svg{width:16px;height:16px}
.footer-bottom{display:flex;align-items:start;justify-content:space-between;gap:30px;border-top:1px solid var(--line);padding-top:22px;font-size:10px;line-height:1.9;color:var(--muted)}
.footer-legal{display:flex;flex-wrap:wrap;gap:8px 22px;justify-content:flex-end;max-width:78%}
.footer-legal a:hover{text-decoration:underline;text-underline-offset:3px}
.copy-status{position:fixed;bottom:26px;left:50%;transform:translate(-50%,16px);background:var(--dark);color:#fff;padding:12px 20px;border:1px solid #ffffff30;max-width:calc(100% - 32px);box-shadow:0 8px 30px #00000017;opacity:0;visibility:hidden;transition:opacity .2s,transform .2s;z-index:50;font-size:13px;line-height:1.7}
.copy-status.is-visible{opacity:1;visibility:visible;transform:translate(-50%,0)}

@media(min-width:1600px){.hero-content{padding-block:93px 75px;min-height:620px}.hero-art{height:450px}.orbit-one{width:350px;height:350px}.orbit-two{width:460px;height:210px}}
@media(max-width:1100px){
  .wrap{width:calc(100% - 72px)}
  .header-inner{height:90px}.site-nav{gap:23px}.site-nav .nav-contact{gap:13px;margin-left:0}
  .hero-content{grid-template-columns:1.25fr 1fr;gap:12px;padding-block:65px 55px;min-height:510px}
  h1{font-size:clamp(38px,5.05vw,61px)}.hero-intro{font-size:15px}
  .hero-art{height:350px}.orbit-one{width:270px;height:270px}.orbit-two{width:345px;height:155px}.art-core{width:147px;height:147px}.core-inner .brand-mark{width:56px;height:56px}
  .art-topline{left:9px;font-size:8px}.art-node{font-size:11px;min-width:107px;padding:10px 11px;gap:9px}.node-1{left:-1px;top:67px}.node-2{right:-9px;top:168px}.node-3{left:12px;bottom:35px}.art-baseline{left:8px}.art-coordinate{display:none}
  .section{padding-block:80px}.about-layout{gap:50px}.section-heading{gap:65px}.direction-row{grid-template-columns:35px 1fr 1.5fr 36px;gap:18px}.direction-title h3{font-size:22px}.direction-symbol{font-size:33px}
  .principle-list{gap:30px}.principle+.principle:before{left:-15px}.principle{padding-left:38px}.principles-heading h2{font-size:25px}
  .network-brand{padding-inline:18px}.network-brand>strong{font-size:21px}.contact-layout{gap:65px}.method-value{font-size:25px}
}
@media(max-width:760px){
  html{scroll-padding-top:24px}.wrap{width:calc(100% - 40px)}.header-inner{min-height:81px;height:auto;flex-wrap:wrap;gap:0;padding-block:17px}.brand{gap:9px}.brand-mark{width:36px;height:36px}.brand-type strong{font-size:21px}.brand-type>span{font-size:8px;letter-spacing:.09em}
  .js .menu-toggle{display:flex;align-items:center;gap:7px;padding:7px 0 7px 12px;border:0;background:transparent;font-size:11px}.menu-toggle svg{width:25px;height:25px}
  .site-nav{width:100%;justify-content:space-between;gap:14px;padding-top:23px;font-size:12px}.site-nav .nav-contact{padding:0;border:0;gap:5px}.nav-contact svg{width:12px;height:12px}
  .js .site-nav{display:none}.js .site-nav.is-open{display:flex}
  .hero-content{display:block;padding-block:45px 24px;min-height:0}.eyebrow{font-size:11px;margin-bottom:22px;letter-spacing:.1em}h1{font-size:clamp(36px,7.5vw,55px);line-height:1.34;letter-spacing:-.05em;margin-bottom:20px}.hero-intro{font-size:14px;line-height:1.95;margin-bottom:25px}.hero-actions{gap:25px}.button{font-size:12px;padding:12px 17px;gap:24px}.hero-contact{font-size:12px;gap:7px}.button svg{width:18px;height:18px}
  .hero-art{width:340px;max-width:100%;height:290px;margin:30px auto 0}.orbit-one{width:238px;height:238px}.orbit-two{width:310px;height:135px}.art-core{width:132px;height:132px;border-radius:22px}.core-inner .brand-mark{width:49px;height:49px}.core-inner>span{font-size:11px}.art-topline{top:0;left:6px;font-size:7px}.art-node{min-width:94px;font-size:10px;padding:9px 9px;gap:7px}.node-id{font-size:8px}.node-1{left:0;top:46px}.node-2{right:-2px;top:138px}.node-3{left:14px;bottom:26px}.cross-one{top:18px;right:12px}.cross-two{bottom:75px}.art-baseline{bottom:-3px;font-size:8px}.hero-bottom{padding-block:18px}.hero-tags{font-size:10px;letter-spacing:0}.hero-tags span+span:before{margin-inline:12px}.scroll-link{font-size:10px;gap:8px}.scroll-arrow{width:22px;height:22px;font-size:13px}
  .section{padding-block:58px}.section-index{gap:18px;font-size:10px;margin-bottom:28px;letter-spacing:.02em}.section-index>span:first-child{font-size:10px}.section-index>span+span:before{width:18px;margin-right:18px}h2{font-size:30px;line-height:1.5;letter-spacing:-.025em}
  .about-layout{display:block}.section-note{font-size:12px;padding-left:15px;margin-top:20px}.about-copy{padding-top:29px}.about-copy .lead{font-size:18px;line-height:1.85;margin-bottom:18px}.about-copy>p{font-size:13px;line-height:2}
  .section-heading{display:block;margin-bottom:28px}.section-heading>p{font-size:13px;margin:22px 0 0;max-width:none;line-height:1.95}
  .direction-row{grid-template-columns:27px 1fr 31px;gap:12px;padding-block:25px}.direction-number{font-size:10px;padding-top:6px}.direction-title>span{font-size:9px}.direction-title h3{font-size:22px;margin-top:4px}.direction-description{grid-column:2/4;grid-row:2}.direction-description>p{font-size:13px;line-height:1.95;margin-bottom:14px}.direction-symbol{grid-column:3;grid-row:1;font-size:30px;padding-top:10px}.tag-list li{font-size:9px;padding:4px 9px}
  .principles-heading{display:block;margin-bottom:29px}.principles-heading .mini-label{display:block;margin-bottom:14px}.principles-heading h2{font-size:25px}.principle-list{display:block;padding-top:0;border-top:0}.principle{padding:20px 0 21px 40px;border-top:1px solid var(--line)}.principle+.principle:before{display:none}.principle-dot{top:24px;font-size:24px}.principle h3{font-size:17px;margin-bottom:4px}.principle p{font-size:12px}
  .brand-network{grid-template-columns:repeat(2,1fr)}.network-brand{padding:20px 15px}.network-brand:nth-child(2n+1){border-left:0}.network-brand:nth-child(n+3){border-top:1px solid var(--line)}.network-brand:last-child:nth-child(odd){grid-column:1/-1}.network-brand-top{margin-bottom:22px}.network-brand>strong{font-size:20px}.network-domain{font-size:12px;margin-bottom:19px}.network-detail{font-size:10px}.current-label{font-size:9px}.network-brand-top svg{width:16px;height:16px}
  .contact-layout{display:block}.contact-copy .mini-label{font-size:9px;margin-bottom:20px}.contact-copy h2{font-size:34px;margin-bottom:18px}.contact-copy>p:last-child{font-size:13px;max-width:320px}.contact-methods{margin-top:30px}.contact-method{padding-block:22px}.method-value{font-size:27px}.method-label{margin-bottom:11px}.qq-line{margin-bottom:11px}.copy-button{font-size:10px;padding:7px 10px}
  .site-footer{padding-block:30px 22px}.footer-top{flex-wrap:wrap;gap:16px;padding-bottom:24px}.footer-brand{font-size:18px}.footer-top>p{order:3;padding-left:0;width:100%;flex:auto;font-size:11px}.back-top{margin-left:auto;font-size:10px;gap:6px}.footer-bottom{display:block;padding-top:18px;font-size:10px}.footer-legal{max-width:none;justify-content:flex-start;gap:4px 15px;margin-top:10px}.footer-legal>span:first-child:not(:last-child){width:100%}
}
@media(max-width:370px){.wrap{width:calc(100% - 32px)}.brand-type strong{font-size:19px}.site-nav{gap:8px;font-size:11px}.site-nav .nav-contact{gap:1px}.hero-tags span+span:before{margin-inline:8px}h1{font-size:34px}.hero-actions{gap:19px}.scroll-link>span:first-child{display:none}.network-brand{padding-inline:11px}.method-value{font-size:23px}.copy-button{padding:6px 8px}.section-index{gap:12px}.section-index>span+span:before{margin-right:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}