#header #dafu-guide-entry{display:inline-flex;align-items:center;gap:5px;margin-left:8px;padding:3px 7px;border:1px solid #50688a;border-radius:20px;background:transparent;color:var(--text-primary,#dde7f7);font-family:inherit;font-size:12px;line-height:18px;font-weight:500;white-space:nowrap;cursor:pointer}
#header #dafu-guide-entry>.dafu-guide-icon{display:block;flex:0 0 14px;width:14px;height:14px;overflow:visible;pointer-events:none}
body.light #header #dafu-guide-entry{color:#456592;border-color:#d8e3f2;background:#f5f8ff}
#header #dafu-guide-entry:hover{border-color:#538aff;color:#538aff}
#dafu-tour{position:fixed;inset:0;z-index:22000;isolation:isolate;font-family:"PingFang SC","Microsoft YaHei",sans-serif;color:#e4ebf8;--dt-bg:#202c43;--dt-line:#3c4e69;--dt-sub:#b6c5db;--dt-note:#2b3b53;--dt-accent:#97baff}
body.light #dafu-tour{color:#203553;--dt-bg:#fff;--dt-line:#e0e8f4;--dt-sub:#62768f;--dt-note:#f0f5fd;--dt-accent:#315fba}
#dafu-tour *{box-sizing:border-box}
.dt-shade{position:fixed;background:rgba(12,25,47,.58)}
.dt-spot{position:fixed;border:2px solid #94beff;border-radius:12px;box-shadow:0 0 0 4px rgba(120,175,255,.2);pointer-events:none}
.dt-card{position:fixed;padding:27px 26px 22px;background:var(--dt-bg);border:1px solid var(--dt-line);border-radius:24px;box-shadow:0 22px 70px #06152a55;overflow-y:auto;overscroll-behavior:contain}
.dt-teacher{position:absolute;right:26px;top:8px;width:120px;height:120px;object-fit:contain;pointer-events:none}
.dt-kicker{color:var(--dt-accent);font-size:12px;font-weight:600;letter-spacing:1px;margin:2px 128px 14px 0}
.dt-progress{display:flex;align-items:center;gap:4px;margin-right:135px;margin-bottom:44px}
.dt-progress i{height:4px;flex:1;background:var(--dt-line);border-radius:4px}.dt-progress i.on{background:#6a91ea}.dt-progress span{font-size:11px;white-space:nowrap;color:var(--dt-sub);margin-left:4px}
.dt-card h2{font-size:23px;line-height:1.4;margin:0 0 13px;font-weight:650;outline:none;letter-spacing:.2px}.dt-card>p{font-size:14px;line-height:1.85;margin:0 0 16px;color:var(--dt-sub)}
.dt-card>.dt-tip{font-size:12px;line-height:1.75;background:var(--dt-note);padding:12px 14px;border-radius:12px;border-left:3px solid #80a4eb}
.dt-card button{font:inherit;cursor:pointer;border:1px solid var(--dt-line);border-radius:10px;padding:9px 13px;background:transparent;color:inherit}
.dt-card button:focus-visible,#header #dafu-guide-entry:focus-visible,.dt-tutorial-entry:focus-visible{outline:3px solid #77a9ff;outline-offset:3px}
.dt-card button.dt-close{position:absolute;right:10px;top:8px;border:0;width:32px;height:32px;z-index:1;padding:0;font-size:25px;color:var(--dt-sub);background:var(--dt-bg)}
.dt-card .dt-link{display:block;border:0;padding:0 0 15px;color:var(--dt-accent);font-size:13px;font-weight:600;text-align:left}
.dt-bottom-row{border-top:1px solid var(--dt-line);padding-top:16px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px}
.dt-bottom-row label{font-size:12px;color:var(--dt-sub);display:flex;align-items:center;gap:6px;cursor:pointer}.dt-bottom-row input{accent-color:#396bd4;width:15px;height:15px;margin:0}
.dt-buttons{display:flex;gap:8px;margin-left:auto;font-size:13px}.dt-card .dt-primary{background:#356bd8;color:white;border-color:#356bd8;font-weight:600}.dt-primary span{margin-left:7px}
.dt-demo{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:15px;font-size:12px}.dt-demo>span{padding:6px 10px;border-radius:7px;border:1px solid var(--dt-line);color:var(--dt-sub)}.dt-demo small{width:100%;font-size:10px;color:var(--dt-sub)}
.dt-demo .red{color:#b63e35;background:#ffe7e1;border-color:#f9b4ab}.dt-demo .blue{color:#245eb2;background:#e1edff;border-color:#b0ccf8}.dt-demo .green{color:#187447;background:#e1f3e8;border-color:#aad9bc}.dt-demo .white{color:#41516b;background:#fff;border-color:#b4c4d9}
.dt-tutorial-entry{font-family:inherit;font-size:12px;line-height:1.6;font-weight:600;border:1px solid #9db9e6;color:var(--text-primary,#385785);background:transparent;border-radius:9px;padding:8px 10px;margin-top:12px;cursor:pointer}
@media(max-width:600px){#header #dafu-guide-entry{margin-left:auto;font-size:11px;padding:3px 8px}.dt-card{padding:22px 19px 18px;border-radius:20px}.dt-card h2{font-size:20px}.dt-teacher{width:107px;height:107px;right:21px;top:8px}.dt-kicker{font-size:10px;margin-right:103px}.dt-progress{margin-right:112px;margin-bottom:48px}.dt-progress span{font-size:10px}.dt-card>p{font-size:13px;line-height:1.75}.dt-card>.dt-tip{font-size:11px;padding:10px 12px}.dt-buttons{font-size:12px}.dt-card button{padding:9px 11px}.dt-bottom-row{gap:12px}.dt-bottom-row label{font-size:11px}.dt-card .dt-close{padding:0}.dt-card .dt-link{padding:0 0 12px}}
@media(max-height:560px){.dt-teacher{height:75px;width:75px}.dt-progress{margin-bottom:18px}.dt-card{padding-top:18px}.dt-card h2{font-size:18px}.dt-card>p{margin-bottom:10px}.dt-card>.dt-tip{padding:8px 12px}}