.public-header .brand b{font-size:22px;letter-spacing:.08em}.public-header .brand small{font-size:13px}.public-header nav a,.ghost-btn,.header-btn{font-size:15px}.hero .status-line{font-size:11px}.hero h1{font-size:clamp(50px,6vw,78px)}.hero-copy>p{font-size:15px}.hero-link{font-size:13px}.hero-proof b{font-size:24px}.hero-proof small{font-size:11px}.trust-strip{font-size:15px}.trust-strip b,.trust-strip a{font-size:15px}.sidebar-title{font-size:16px;letter-spacing:0}.section-kicker{font-size:11px}.section-head h2{font-size:44px}.section-head>p{font-size:14px}.feature-card h3{font-size:16px}.feature-card.large h3{font-size:20px}.feature-card p,.step p{font-size:13px}.step h3{font-size:16px}.api-banner h2{font-size:36px}.api-banner p{font-size:15px}.site-footer{font-size:13px}
/* 首页装饰卡片、按钮与注册/登录弹窗统一字号 */
.hero-primary{font-size:15px}.hero-actions .hero-link{font-size:14px}
.signal-top{font-size:11px}.signal-title{font-size:14px}.signal-score span{font-size:14px}.signal-foot{font-size:13px}
.float-card b{font-size:13px}.float-card small{font-size:12px}
.api-label{font-size:12px}.api-code{font-size:13px}.api-banner>button{font-size:14px}
.auth-modal>p{font-size:14px}.auth-tabs button{font-size:14px}.auth-modal label{font-size:14px}
.auth-modal input{font-size:16px}.auth-submit{font-size:15px}.auth-note{font-size:12px}
#toast{font-size:14px}@media(max-width:560px){.hero h1{font-size:46px}.hero-copy>p{font-size:14px}.section-head h2{font-size:34px}}