/* 仅添加演示访问控制，不改正式版布局、入口与主题。 */
body{padding-top:36px}.topbar{top:36px}.tool-frame{height:calc(100dvh - 130px)}
#session-bar{position:fixed;top:0;left:0;right:0;height:36px;background:#27234f;color:#e0e7ff;font-size:12px;display:flex;align-items:center;justify-content:center;z-index:1000}#session-bar[hidden]{display:none}
#watermark{position:fixed;inset:36px 0 0;pointer-events:none;z-index:900;overflow:hidden;display:grid;grid-template-columns:repeat(2,1fr);align-items:center;justify-items:center;gap:65px 0;opacity:.07;color:#312e81;font-size:12px}#watermark span{transform:rotate(-24deg);white-space:nowrap}
#privacy{position:fixed;inset:0;background:#1e1b4b;color:white;z-index:1100;place-items:center;text-align:center;font-size:22px}#privacy:not([hidden]){display:grid}#privacy p{font-size:14px;color:#c7d2fe}
.history-text{white-space:pre-wrap;overflow-wrap:anywhere}.project-row .btn{margin-top:12px}.login-card .field{line-height:1.8}
@media print{body>*{display:none!important}body:after{content:'体验内容不提供打印';display:block}}
.tool-catalog{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;padding:8px 0 24px}.tool-tile{display:flex;align-items:flex-start;flex-direction:column;text-align:left;gap:12px;padding:22px 18px;border:1px solid #e4e5f1;border-radius:24px;background:linear-gradient(145deg,#fff,#f6f5fc);box-shadow:0 5px 18px #30276508;color:#172039;min-height:188px}.tool-tile .grid-icon{width:66px;height:66px;border-radius:20px;display:grid;place-items:center;flex-shrink:0}.tool-tile .grid-icon svg{width:34px;height:34px}.tool-name{font-size:18px;font-weight:700}.tool-desc{font-size:13px;line-height:1.6;color:#647087}.tool-tile:last-child{grid-column:1/-1;min-height:155px}.copy-tabs{display:flex;gap:8px;overflow:auto;padding:8px 0 18px}.copy-tabs .chip{white-space:nowrap}.copy-ready{white-space:pre-wrap;font-size:16px;line-height:1.95;padding:22px 0;min-height:260px}.tabbar{grid-template-columns:repeat(4,1fr)}
.report-cover{padding:24px;border-radius:14px;background:#143746;color:white;margin-bottom:18px}.report-cover h2{font-size:26px;line-height:1.4}.report-cover p{font-size:13px;color:#c9dadf}.report-preview{width:100%;height:900px;border:0;border-radius:16px;background:#f1f4f6}.report-cover .eyebrow{letter-spacing:2px;font-size:12px}