/* 浅色科技金融主题：保留品牌红，降低背景重量，增强长时间阅读的清晰度。 */
:root{--ink:#1b3446;--muted:#617887;--faint:#8298a5;--bg:#f4f8fa;--panel:#ffffff;--panel-2:#edf4f7;--line:rgba(36,73,95,.14);--red:#e8313f;--red-soft:#d92938;--cyan:#277e87}
body{background:var(--bg);color:var(--ink)}
body:before{background:radial-gradient(circle at 72% 4%,rgba(140,190,204,.24),transparent 28%),radial-gradient(circle at 10% 46%,rgba(207,229,235,.3),transparent 30%),linear-gradient(120deg,#f7fafb 0%,#f1f6f8 52%,#eef4f7 100%)}
body:after{opacity:.5;background-image:linear-gradient(rgba(36,91,111,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(36,91,111,.045) 1px,transparent 1px)}
.hero h1,.section-heading h2,.showcase-copy h2,.download-section h2{color:var(--ink)}
.topbar{border-color:var(--line)}
.nav-cta{border-color:rgba(36,73,95,.26)}
.nav-cta:hover{background:rgba(36,73,95,.06);border-color:rgba(36,73,95,.5)}
.product-card{border-color:rgba(36,73,95,.18);background:linear-gradient(150deg,rgba(255,255,255,.98),rgba(237,245,248,.98));box-shadow:0 30px 80px rgba(39,79,98,.18),0 0 0 8px rgba(39,126,135,.035)}
.product-card-bar,.product-card-footer{color:var(--faint)}
.window-dots i{background:#a0b4be}
.floating-note{border-color:rgba(36,73,95,.16);background:rgba(255,255,255,.92);box-shadow:0 15px 32px rgba(39,79,98,.13)}
.floating-note b{color:var(--ink)}
.visual-orbit{border-color:rgba(39,126,135,.18)}
.orbit-two{border-color:rgba(232,49,63,.16)}
.signal-strip{border-color:var(--line);color:var(--faint)}
.workflow-section,.workflow-steps,.workflow-steps article{border-color:var(--line)}
.workflow-quote p{color:var(--ink)}
.showcase-screen{border-color:rgba(36,73,95,.17);background:rgba(255,255,255,.9);box-shadow:0 30px 70px rgba(39,79,98,.15)}
.showcase-points{color:#405c6d}
.usecase-grid article{border-color:var(--line);background:linear-gradient(145deg,rgba(255,255,255,.98),rgba(235,244,247,.9))}
.usecase-grid article:hover{border-color:rgba(39,126,135,.4)}
.download-section{background:linear-gradient(112deg,#e8f2f5,#f8fbfc 65%,#e3eef2);border-color:rgba(39,126,135,.24);box-shadow:0 30px 70px rgba(39,79,98,.14)}
.download-panel{border-color:rgba(36,73,95,.18);background:rgba(255,255,255,.62)}
.download-panel strong{color:var(--ink)}
.footer{border-color:var(--line)}