/* 内页统一：黑 / 白 / 青柠，紧凑留白与细边框；所有覆盖限定页面。 */
.about-page .wrap{max-width:1320px}
.about-page .sec{padding:76px 0}
.about-page .eyebrow,.about-page .kicker,.legal-page .eyebrow{color:var(--lime-ink)}
.about-page .sec-title{font-size:clamp(30px,3.3vw,45px);font-weight:600;line-height:1.35;letter-spacing:-.02em;margin:18px 0 16px;text-wrap:balance}
.about-page .hero{position:relative;min-height:650px;display:flex;align-items:center;overflow:hidden;padding:150px 0 100px;isolation:isolate}
.about-page #net{position:absolute;inset:0;width:100%;height:100%;z-index:-1;opacity:.32}
.about-page .hero-glow{position:absolute;z-index:-2;left:62%;top:45%;width:680px;height:680px;transform:translate(-50%,-50%);background:radial-gradient(circle,rgba(196,232,92,.08),transparent 68%);pointer-events:none}
.about-page .hero::after{content:'';position:absolute;inset:auto 0 0;height:28%;z-index:-1;background:linear-gradient(180deg,transparent,var(--bg));pointer-events:none}
.about-page .hero-in{position:relative;width:100%}
.about-page .hero h1{font-size:clamp(42px,5vw,68px);font-weight:700;line-height:1.15;letter-spacing:-.03em;max-width:1050px;text-wrap:balance}
.about-page .hero .lead{font-size:17px;color:var(--mut);margin:26px 0 0;max-width:780px;line-height:1.9}
.about-page .kicker{font-size:11px;margin-bottom:28px}
html[data-theme="light"] .about-page .lit{color:var(--lime-ink);background:none;-webkit-text-fill-color:currentColor;animation:none}
.about-model{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;margin-top:30px}
.about-role{position:relative;border:1px solid var(--line-2);border-radius:15px;background:var(--bg-2);padding:44px 26px 26px;overflow:hidden}
.role-window-bar{position:absolute;top:0;left:0;right:0;height:23px;background:var(--surface);border-bottom:1px solid var(--line);display:flex;align-items:center;gap:4px;padding:0 11px}
.role-window-bar i{width:4px;height:4px;border-radius:50%;background:var(--line-2)}
.about-role-icon{display:grid;place-items:center;width:37px;height:37px;border-radius:10px;background:var(--surface);color:var(--ink);margin-bottom:17px}
.about-role:nth-child(2) .about-role-icon{background:rgba(196,232,92,.12);color:var(--lime-ink)}
.about-role-icon svg{width:24px;height:24px}
.about-role h3{font-size:22px;font-weight:600;line-height:1.4;margin:0 0 10px}
.about-role p{font-size:14px;line-height:1.85;color:var(--mut);margin:0;max-width:310px}
.role-tag{display:inline-block;font-size:10px;color:var(--mut);border:1px solid var(--line);background:var(--surface);border-radius:5px;padding:3px 7px;margin-top:19px}
.about-model-note{display:flex;align-items:center;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding-top:19px;margin-top:24px}
.about-model-note p{font-size:12px;color:var(--mut);line-height:1.8;margin:0}
.about-model-note a{font-size:12px;color:var(--lime-ink);white-space:nowrap}
.about-principles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:34px;margin-top:32px}
.about-principles article{border-top:1px solid var(--line-2);padding-top:21px}
.principle-number{font:11px var(--mono);color:var(--mut);display:block;margin-bottom:19px}
.about-principles h3{font-size:22px;font-weight:600;line-height:1.4;margin-bottom:10px}
.about-principles p{font-size:14px;color:var(--mut);line-height:1.85;margin:0;max-width:350px}
.about-stages{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin-top:32px}
.about-stages article{border-top:1px solid var(--line);padding-top:23px}
.stage-label{font-size:11px;color:var(--lime-ink);display:inline-block;margin-bottom:19px}
.about-stages h3{font-size:clamp(21px,2vw,26px);font-weight:600;line-height:1.4;max-width:460px;text-wrap:balance}
.about-stages p{font-size:14px;color:var(--mut);line-height:1.85;margin:15px 0 0;max-width:500px}
.about-doors{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:30px}
.about-doors article{display:flex;flex-direction:column;align-items:flex-start;border:1px solid var(--quiet-control-line);border-radius:18px;background:var(--glass);padding:28px 30px}
.door-label{font-size:11px;color:var(--mut);margin-bottom:16px}
.about-doors h3{font-size:26px;font-weight:600;line-height:1.4}
.about-doors p{font-size:14px;color:var(--mut);line-height:1.8;margin:12px 0 24px}
.about-doors .btn{margin-top:auto;font-size:13px;padding:12px 22px}
.about-partner{display:flex;align-items:center;justify-content:space-between;gap:25px;padding:23px 0 0;margin-top:26px;border-top:1px solid var(--line)}
.about-partner h3{font-size:14px;font-weight:500;line-height:1.6}
.about-partner p{font-size:13px;color:var(--mut);margin:5px 0 0;line-height:1.8}
.about-partner .link-btn{background:none;border:0;font:500 13px var(--zh);color:var(--lime-ink);padding:8px 0;white-space:nowrap;cursor:pointer}
.about-page #site-footer{padding-top:52px}
.about-page #site-footer .ft-main{gap:40px;padding-bottom:42px}
.about-page #site-footer .ft-slogan{font-size:16px;font-weight:500;color:var(--mut);line-height:1.8;letter-spacing:0}
.about-page #site-footer .ft-logo{height:26px;margin-bottom:16px}
.about-page #site-footer .ft-contact{margin-top:24px}
.compact-label{display:none}
.login-page .card{border-color:var(--quiet-control-line);box-shadow:0 14px 45px rgba(0,0,0,.12);border-radius:20px;padding:30px}
html[data-theme="light"] .login-page .card{box-shadow:0 12px 36px rgba(28,28,34,.04)}
.login-page .card h1{font-weight:700;font-size:27px}
.login-page .card .sub{font-size:13px;margin-bottom:20px}
.login-page .demo-banner{background:var(--surface);border-color:var(--line);border-radius:9px;font-size:12px;margin-bottom:20px}
.login-page .demo-banner::before{box-shadow:none;background:var(--lime-ink)}
.login-page .role{border-color:var(--line);border-radius:11px;padding:4px}
.login-page .role button{font-size:14px;font-weight:600;padding:10px 12px;border-radius:8px}
.login-page .role button.active{box-shadow:none;background:var(--lime)}
.login-page .role-hint{background:none;border:0;padding:0;color:var(--mut);font-size:12px;line-height:1.75;margin:14px 0 20px;min-height:0}
.login-page .card label{font-family:var(--zh);font-size:12px;letter-spacing:0;text-transform:none}
.login-page .field{border-radius:9px;border-color:var(--quiet-control-line);font-size:14px;min-width:0}
.login-page .mini,.login-page .bottom a,.login-page .code-btn,.login-page .msg{color:var(--lime-ink)}
.login-page .mini{font-family:var(--zh);font-size:12px;border:0;background:none;padding:0;line-height:1.6}
.login-page .code-row .field{min-width:0;flex:1 1 0}
.login-page .code-btn{padding:0 12px;font-size:12px;border-color:var(--quiet-accent-line);background:var(--surface);border-radius:9px}
.login-page .btn-login{border-radius:9px;font-size:14px;padding:13px;font-weight:600;box-shadow:none}
.login-page .btn-login:hover{box-shadow:0 6px 18px rgba(166,214,62,.12)}
.login-page .agree{font-size:11px;line-height:1.8}
.login-page .bottom{font-size:12px;margin-top:20px;padding-top:17px}
.login-page .admin{margin-top:17px}
.login-page .admin .link-btn{font-size:11px;color:var(--mut);font-family:var(--zh);letter-spacing:0}
.login-page .msg{font-size:12px;line-height:1.8;border-color:var(--quiet-accent-line);text-align:left}
.login-page .topbar .home:hover,.legal-page .topbar .home:hover{color:var(--lime-ink)}
.login-page button:focus-visible,.about-page .link-btn:focus-visible{outline:2px solid var(--lime-ink);outline-offset:4px}
.legal-page .legal{max-width:860px;padding:54px 32px 80px}
.legal-page .legal h1{font-size:clamp(30px,3.4vw,42px);font-weight:600;line-height:1.3;text-wrap:balance}
.legal-page .legal .lead{font-size:15px;line-height:1.85;margin-bottom:33px}
.legal-page .legal section{border:0;border-top:1px solid var(--line);border-radius:0;background:none;box-shadow:none;padding:26px 0;margin:0}
.legal-page .legal h2{font-size:18px;font-weight:600;line-height:1.5;margin-bottom:12px}
.legal-page .legal p{font-size:14px;line-height:1.95}
@media(max-width:900px){
 .about-page .hero{min-height:560px;padding:130px 0 80px}
 .about-model{gap:16px}
 .about-role{padding:42px 20px 22px}
 .about-role h3{font-size:20px}
 .about-principles{gap:25px}
}
@media(max-width:620px){
 .about-page .wrap{padding:0 22px}
 .about-page .sec{padding:56px 0}
 .about-page .sec-title{font-size:28px;line-height:1.4;margin-top:16px}
 .about-page .eyebrow{font-size:10px;letter-spacing:.17em}
 .about-page .hero{min-height:auto;padding:120px 0 72px}
 .about-page .hero h1{font-size:clamp(36px,9vw,44px);line-height:1.2}
 .about-page .hero h1 .lit{white-space:normal}
 .about-page .hero .lead{font-size:15px;margin-top:24px;line-height:1.9}
 .about-page .hero-glow{width:440px;height:440px}
 .about-page .kicker{font-size:10px;letter-spacing:.07em;margin-bottom:25px}
 .about-page .nav-in{gap:12px}
 .about-page .nav-cta{gap:7px}
 .about-page .nav-cta .btn{font-size:12px;padding:9px 12px}
 .about-page .wide-label,.login-page .wide-label,.legal-page .wide-label{display:none}
 .about-page .compact-label,.login-page .compact-label,.legal-page .compact-label{display:inline}
 .about-model{grid-template-columns:1fr;gap:12px;margin-top:25px}
 .about-role{display:grid;grid-template-columns:45px minmax(0,1fr);column-gap:13px;padding:36px 18px 21px}
 .about-role-icon{grid-column:1;grid-row:1/4;width:36px;height:36px;margin:3px 0 0}
 .about-role h3{grid-column:2;font-size:18px;margin-bottom:7px}
 .about-role p{grid-column:2;font-size:13px;max-width:none}
 .about-role .role-tag{grid-column:2;justify-self:start;margin-top:12px;font-size:9px}
 .about-model-note{align-items:flex-start;flex-direction:column;gap:12px;margin-top:21px;padding-top:17px}
 .about-model-note p,.about-model-note a{font-size:11px;line-height:1.9}
 .about-principles{grid-template-columns:1fr;gap:24px;margin-top:25px}
 .about-principles article{display:grid;grid-template-columns:25px minmax(0,1fr);column-gap:16px;padding-top:17px}
 .principle-number{grid-row:1/3;margin:5px 0 0;font-size:10px}
 .about-principles h3{font-size:19px;margin-bottom:9px}
 .about-principles p{font-size:13px;max-width:none}
 .about-stages{grid-template-columns:1fr;gap:26px;margin-top:25px}
 .about-stages article{padding-top:20px}
 .stage-label{font-size:10px;margin-bottom:14px}
 .about-stages h3{font-size:22px;text-wrap:balance}
 .about-stages p{font-size:13px;margin-top:12px}
 .about-doors{grid-template-columns:1fr;gap:14px;margin-top:25px}
 .about-doors article{padding:24px;border-radius:16px}
 .about-doors h3{font-size:24px}
 .about-doors p{font-size:13px;margin-bottom:20px}
 .about-partner{align-items:flex-start;flex-direction:column;gap:12px;margin-top:22px;padding-top:20px}
 .about-partner p,.about-partner .link-btn{font-size:12px}
 .about-page #site-footer{padding-top:38px}
 .about-page #site-footer .ft-main{gap:28px;padding-bottom:32px}
 .about-page #site-footer .ft-slogan{font-size:14px}
 .login-page .topbar,.legal-page .topbar{padding:16px 18px;gap:12px}
 .login-page .topbar .right,.legal-page .topbar .right{gap:9px}
 .login-page .topbar .home,.legal-page .topbar .home{font-size:12px;white-space:nowrap}
 .login-page .login-wrap{padding:22px 20px 38px}
 .login-page .card{padding:26px 22px}
 .legal-page .legal{padding:40px 22px 60px}
 .legal-page .legal h1{font-size:30px}
 .legal-page .legal .lead{font-size:14px;margin-bottom:27px}
 .legal-page .legal section{padding:23px 0}
 .legal-page .legal p{font-size:13px}
 .about-page .zc-fab,.legal-page .zc-fab{width:44px;height:44px}
 .about-page .zc-fab::after,.legal-page .zc-fab::after{pointer-events:none;filter:opacity(.15)}
 .about-page #zhqn-chat,.legal-page #zhqn-chat{right:12px;bottom:calc(16px + env(safe-area-inset-bottom,0px))}
 .about-page .zc-fab-ic svg,.legal-page .zc-fab-ic svg{width:22px;height:22px}
}
@media(max-width:350px){
 .about-page .hero h1{font-size:36px}
 .about-page .wrap{padding:0 20px}
 .about-page .sec-title{font-size:26px}
 .about-page .about-role{grid-template-columns:34px minmax(0,1fr);column-gap:11px;padding-inline:15px}
 .about-role-icon{width:30px;height:30px}
 .login-page .card{padding:24px 20px}
 .login-page .card h1{font-size:25px}
 .login-page .code-btn{font-size:11px;padding:0 9px}
}