body {
            background: var(--az-bg);
            color: var(--az-text);
        }

        .guide-page {
            max-width: 1100px;
        }

        .hero-box {
            background: linear-gradient(135deg, var(--az-accent), var(--az-accent));
            color: var(--az-text);
            border-radius: 24px;
            padding: 32px;
            box-shadow: 0 18px 40px rgba(15, 23, 42, 0.12);
        }

        .section-card {
            border: 0;
            border-radius: 22px;
            box-shadow: 0 10px 28px rgba(15, 23, 42, 0.06);
        }

        .section-card .card-body {
            padding: 24px;
        }

        .step-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            padding: 16px 0;
            border-bottom: 1px dashed var(--az-line);
        }

        .step-item:last-child {
            border-bottom: 0;
            padding-bottom: 0;
        }

        .step-number {
            width: 42px;
            height: 42px;
            min-width: 42px;
            border-radius: 14px;
            background: #e8f0ff;
            color: var(--az-accent);
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .code-box {
            background: var(--az-text);
            color: var(--az-line);
            border-radius: 16px;
            padding: 16px 18px;
            font-family: Consolas, Monaco, monospace;
            font-size: 14px;
            overflow-x: auto;
            margin-top: 10px;
            margin-bottom: 10px;
        }

        .note-box {
            background: #fff7ed;
            border: 1px solid #fed7aa;
            color: #9a3412;
            border-radius: 16px;
            padding: 16px 18px;
        }

        .tip-box {
            background: #eff6ff;
            border: 1px solid #bfdbfe;
            color: var(--az-accent);
            border-radius: 16px;
            padding: 16px 18px;
        }

        .video-wrap {
            position: relative;
            width: 100%;
            padding-top: 56.25%;
            border-radius: 18px;
            overflow: hidden;
            background: var(--az-text);
        }

        .video-wrap iframe {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            border: 0;
        }

        .mini-title {
            font-weight: 800;
            margin-bottom: 8px;
        }

        .copy-btn {
            border-radius: 999px;
        }