.dh-help-launch{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 16px;border:1px solid #bfd2ee;border-radius:9px;background:#fff;color:#12345b;font-size:14px;font-weight:900;cursor:pointer;box-shadow:0 6px 18px rgba(15,45,82,.08)}
.dh-help-launch:hover{background:#f4f8ff;border-color:#7ca9e8}.dh-help-launch .dh-help-icon{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:50%;background:#1769e8;color:#fff;font-size:15px}
.dh-tutorial-mask{position:fixed;inset:0;z-index:9990;background:rgba(6,20,42,.72);display:none}.dh-tutorial-mask.is-open{display:block}
.dh-tutorial-spotlight{position:fixed;z-index:9992;border:4px solid #4d9cff;border-radius:14px;box-shadow:0 0 0 9999px rgba(6,20,42,.70),0 0 0 8px rgba(77,156,255,.18);pointer-events:none;transition:all .22s ease}
.dh-tutorial-card{position:fixed;z-index:9994;width:min(460px,calc(100vw - 28px));max-height:calc(100vh - 28px);overflow:auto;padding:24px;border-radius:18px;background:#fff;box-shadow:0 24px 70px rgba(0,0,0,.32);color:#10233f}
.dh-tutorial-card h2{margin:0 0 10px;font-size:24px;line-height:1.35;letter-spacing:-.7px}.dh-tutorial-card p{margin:0;color:#425774;font-size:18px;line-height:1.75;word-break:keep-all}.dh-tutorial-card strong{color:#0d4fa9}
.dh-tutorial-progress{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;color:#6a7d96;font-size:14px;font-weight:800}.dh-tutorial-bar{flex:1;height:8px;border-radius:99px;background:#e9eff7;overflow:hidden}.dh-tutorial-bar span{display:block;height:100%;background:#1769e8;transition:width .2s ease}
.dh-tutorial-actions{display:grid;grid-template-columns:auto 1fr auto;gap:10px;margin-top:22px}.dh-tutorial-btn{min-height:50px;padding:0 18px;border:1px solid #cfd9e7;border-radius:10px;background:#fff;color:#17304f;font-size:16px;font-weight:900;cursor:pointer}.dh-tutorial-btn.primary{border-color:#1769e8;background:#1769e8;color:#fff}.dh-tutorial-btn:disabled{opacity:.45;cursor:not-allowed}
.dh-tutorial-tools{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}.dh-tutorial-tool{min-height:38px;padding:0 12px;border:1px solid #d7e0ec;border-radius:8px;background:#f8fbff;color:#2d4666;font-size:13px;font-weight:800;cursor:pointer}.dh-tutorial-tool[aria-pressed="true"]{background:#e7f1ff;border-color:#75a6e9;color:#0f57b7}
.dh-guide-modal{position:fixed;inset:0;z-index:10010;display:none;align-items:center;justify-content:center;padding:20px;background:rgba(7,20,40,.70)}.dh-guide-modal.is-open{display:flex}.dh-guide-panel{width:min(1020px,100%);max-height:92vh;overflow:hidden;border-radius:20px;background:#fff;box-shadow:0 25px 80px rgba(0,0,0,.35)}
.dh-guide-head{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:22px 26px;border-bottom:1px solid #e3eaf3}.dh-guide-head h2{margin:0;font-size:25px}.dh-guide-close{width:44px;height:44px;border:0;border-radius:10px;background:#edf3fb;font-size:25px;cursor:pointer}.dh-guide-body{display:grid;grid-template-columns:250px 1fr;min-height:570px;max-height:calc(92vh - 90px)}
.dh-guide-nav{padding:18px;background:#f4f7fb;overflow:auto}.dh-guide-nav button{display:block;width:100%;margin:0 0 7px;padding:14px 15px;border:0;border-radius:10px;background:transparent;text-align:left;color:#334c6c;font-size:16px;font-weight:850;cursor:pointer}.dh-guide-nav button.is-active{background:#1769e8;color:#fff}.dh-guide-content{padding:28px 32px;overflow:auto}.dh-guide-content h3{margin:0 0 10px;font-size:25px}.dh-guide-content .dh-guide-summary{margin:0 0 22px;color:#52657f;font-size:17px;line-height:1.7}.dh-guide-steps{display:grid;gap:12px}.dh-guide-step{display:grid;grid-template-columns:46px 1fr;gap:14px;padding:16px;border:1px solid #dce5f0;border-radius:13px;background:#fff}.dh-guide-step-num{display:flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:50%;background:#e8f2ff;color:#0f5cc7;font-size:18px;font-weight:950}.dh-guide-step h4{margin:0 0 5px;font-size:18px}.dh-guide-step p{margin:0;color:#596c84;font-size:16px;line-height:1.65}.dh-guide-tip{margin-top:18px;padding:16px 18px;border-radius:12px;background:#fff8df;color:#6d5500;font-size:15px;line-height:1.65}
@media(max-width:720px){.dh-guide-body{grid-template-columns:1fr;min-height:0}.dh-guide-nav{display:flex;gap:6px;overflow:auto}.dh-guide-nav button{min-width:max-content;margin:0}.dh-guide-content{padding:22px 18px}.dh-tutorial-card p{font-size:17px}.dh-tutorial-actions{grid-template-columns:1fr 1fr}.dh-tutorial-actions .dh-skip{grid-column:1/-1;order:3}}