/* 第二轮视觉校准：统一文字尺度，首页粒子区保持无框。 */
.wordmark{gap:10px;line-height:1}.wordmark img,.home-wordmark img{width:40px;height:40px;border-radius:9px;object-fit:cover}.brand-name{display:grid;gap:2px;font-size:21px;font-weight:720;letter-spacing:-.065em;color:var(--ink)}.brand-name small{font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;font-size:8px;font-weight:650;line-height:1;letter-spacing:.08em;color:var(--muted)}.home-wordmark{gap:11px}.home-wordmark img{width:43px;height:43px}.home-wordmark .brand-name{font-size:24px}.home-wordmark .brand-name small{font-size:9px}
.hero h1{font-size:clamp(46px,5.8vw,74px);line-height:1.04}.auth-intro h1{font-size:clamp(39px,4.4vw,56px);line-height:1.06}.page-head h1{font-size:39px;line-height:1.08}.metric-row strong{font-size:28px}.auth-panel h2,.modal h2{font-size:23px}.quiet-block h2{font-size:20px}
.particle-stage{border:0;background:radial-gradient(ellipse at 50% 50%,var(--wash) 0,transparent 67%);overflow:visible}.particle-stage:before{content:"";position:absolute;inset:16% 12%;border-radius:50%;background:radial-gradient(ellipse,transparent 59%,var(--rule) 59.2%,transparent 59.6%,transparent 67%,var(--rule) 67.2%,transparent 67.6%);opacity:.23;pointer-events:none;transition:transform .8s ease,opacity .5s ease}.particle-stage.is-active:before{transform:rotate(18deg) scale(.9);opacity:.48}.particle-stage canvas{position:relative;z-index:1}.particle-stage p{left:50%;bottom:4%;transform:translateX(-50%);letter-spacing:.2em;white-space:nowrap;z-index:2;transition:letter-spacing .35s ease}.particle-stage.is-active p{letter-spacing:.32em}
@media(max-width:780px){.wordmark img,.home-wordmark img{width:34px;height:34px}.brand-name{font-size:19px}.brand-name small{font-size:7px}.home-wordmark img{width:37px;height:37px}.home-wordmark .brand-name{font-size:21px}.home-wordmark .brand-name small{font-size:8px}.hero h1{font-size:52px}.auth-intro h1{font-size:45px}.page-head h1{font-size:37px}.particle-stage:before{inset:10%}}