.about-content {
            width: min(1120px, 100%);
            margin: 0 auto;
            padding: 48px 34px 34px;
        }
        .about-intro {
            max-width: 760px;
            padding: 18px 0 30px;
        }

        .about-intro h1 {
            margin-top: 18px;
            padding-left: 18px;
            border-left: 5px solid var(--primary-green);
            color: var(--sidebar-bg);
            font-size: clamp(38px, 5vw, 64px);
            line-height: 1;
        }

        .about-intro h1 span {
            color: var(--primary-green);
        }

        .about-intro p {
            max-width: 630px;
            margin-top: 18px;
            color: var(--text-muted);
            font-size: 16px;
            line-height: 1.6;
        }

        .about-layout {
            display: grid;
            grid-template-columns: minmax(0, 1.1fr) minmax(230px, 0.9fr);
            gap: 16px;
            align-items: stretch;
        }

        .about-panel {
            padding: 22px;
            background: #FFFFFF;
            border: 1px solid #DDE5F0;
            border-top: 3px solid var(--primary-green);
            border-radius: 14px;
            box-shadow: 0 8px 22px rgba(3, 27, 78, 0.05);
        }

        .about-panel h3 {
            margin-bottom: 10px;
            color: var(--text-dark);
            font-size: 18px;
        }

        .about-panel p {
            color: #526174;
            font-size: 13px;
            line-height: 1.7;
        }

        .mission-panel {
            display: flex;
            flex-direction: column;
            justify-content: center;
            background: var(--sidebar-bg);
            border-top-color: #FBBF24;
        }

        .mission-panel h3,
        .mission-panel p {
            color: #FFFFFF;
        }

        .mission-panel p {
            font-size: 17px;
            font-weight: 600;
            line-height: 1.5;
        }

        .about-features {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 10px;
            margin-top: 16px;
        }

        .about-feature {
            min-height: 142px;
            padding: 16px;
            background: #FFFFFF;
            border: 1px solid #DDE5F0;
            border-top: 3px solid var(--primary-blue);
            border-radius: 14px;
            box-shadow: 0 8px 22px rgba(3, 27, 78, 0.04);
        }

        .about-feature i {
            display: grid;
            width: 32px;
            height: 32px;
            place-items: center;
            color: var(--primary-blue);
            background: #EAF2FF;
            border-radius: 7px;
        }

        .about-feature strong,
        .about-feature small {
            display: block;
        }

        .about-feature strong {
            margin-top: 12px;
            color: var(--text-dark);
            font-size: 13px;
        }

        .about-feature small {
            margin-top: 6px;
            color: var(--text-muted);
            font-size: 11px;
            line-height: 1.4;
        }

        .about-steps {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 10px;
            margin-top: 22px;
            padding-top: 22px;
            border-top: 1px solid #D7E0ED;
        }

        .about-step {
            display: flex;
            gap: 10px;
            align-items: flex-start;
        }

        .about-step b {
            color: var(--primary-green);
            font-size: 20px;
        }

        .about-step strong,
        .about-step small {
            display: block;
        }

        .about-step strong {
            color: var(--text-dark);
            font-size: 13px;
        }

        .about-step small {
            margin-top: 4px;
            color: var(--text-muted);
            font-size: 11px;
            line-height: 1.4;
        }

        .about-action {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            margin-top: 22px;
            padding: 16px 18px;
            color: #36506F;
            background: #EAF2FF;
            border-left: 3px solid var(--primary-blue);
            border-radius: 12px;
        }

        .about-action strong,
        .about-action small {
            display: block;
        }

        .about-action strong {
            color: var(--text-dark);
            font-size: 14px;
        }

        .about-action small {
            margin-top: 4px;
            font-size: 12px;
        }

        .about-action a {
            flex: 0 0 auto;
            padding: 10px 14px;
            color: #FFFFFF;
            background: var(--primary-green);
            border-radius: 6px;
            font-size: 12px;
            font-weight: 700;
            text-decoration: none;
        }

        .about-action a:hover {
            background: var(--primary-green-hover);
        }

        .about-footer {
            margin-left: 0;
        }

        @media (max-width: 900px) {
            .about-content {
                padding: 36px 20px 24px;
            }

            .about-layout,
            .about-features {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 560px) {
            .about-layout,
            .about-features,
            .about-steps {
                grid-template-columns: 1fr;
            }

            .about-action {
                align-items: flex-start;
                flex-direction: column;
            }
        }