.about-shell {
    max-width: 860px;
    margin: 0 auto;
    padding: 6.4rem 2.4rem;
}

.about-intro-card {
    margin-bottom: 4.8rem;
    padding: 2.4rem 0;
    border-radius: 14px;
    background: #fcfdff;
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 2.4rem;
    align-items: center;
}

.about-profile-photo {
    width: 180px;
    height: 230px;
    object-fit: cover;
    border-radius: 10px;
    border: 1px solid #dde3ea;
    background: #f3f5f7;
}

.about-intro-body .about-intro-label {
    margin: 0 0 0.8rem;
    font-size: 1.45rem;
    font-weight: 700;
    color: #55636f;
}

.about-intro-body .about-intro-title {
    margin: 0 0 1.2rem;
    font-size: 2.8rem;
    line-height: 1.3;
    font-weight: 700;
}

.about-intro-body p {
    margin: 0 0 1.2rem;
}

.about-intro-body p:last-child {
    margin-bottom: 0;
}

.about-section {
    margin-bottom: 9.6rem;
    padding: 0.4rem 0;
}

.about-section:last-child {
    margin-bottom: 0;
}

.about-section h2 {
    margin: 0 0 1.6rem;
    font-size: 2.8rem;
    line-height: 1.3;
    font-weight: 700;
}

.about-item {
    margin-top: 2.2rem;
}

.about-item h3 {
    margin: 0 0 1.2rem;
    font-size: 2.2rem;
    line-height: 1.35;
    font-weight: 700;
}

.about-item ul,
.about-section ul {
    margin: 0;
    padding-left: 1.1em;
}

.about-item li,
.about-section li {
    margin: 0.5rem 0;
}

.skill-gauge-list {
    margin-top: 0.6rem;
    display: grid;
    gap: 1.2rem;
    max-width: 720px;
}

.skill-category {
    margin-top: 2.4rem;
}

.skill-category:first-of-type {
    margin-top: 0;
}

.skill-category-title {
    margin: 0 0 1.2rem;
    font-size: 1.85rem;
    line-height: 1.35;
    font-weight: 700;
    color: #38444e;
}

.skill-gauge-row {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 1rem;
    align-items: center;
    padding: 0.2rem 0;
}

.skill-gauge-name {
    font-weight: 500;
}

.skill-gauge-track {
    display: block;
    height: 10px;
    border-radius: 999px;
    overflow: hidden;
    background: #e6ebef;
}

.skill-gauge-fill {
    display: block;
    height: 100%;
    border-radius: 999px;
    background: linear-gradient(90deg, #ff9f1a, #ffc74a);
}

.gauge-90 {
    width: 90%;
}

.gauge-80 {
    width: 80%;
}

.gauge-70 {
    width: 70%;
}

.gauge-78 {
    width: 78%;
}

.gauge-74 {
    width: 74%;
}

.gauge-72 {
    width: 72%;
}

.gauge-68 {
    width: 68%;
}

@media (max-width: 900px) {
    .about-shell {
        padding: 4.8rem 1.6rem;
    }

    .about-intro-card {
        grid-template-columns: 150px 1fr;
        gap: 1.8rem;
        padding: 2rem 0;
    }

    .about-profile-photo {
        width: 150px;
        height: 192px;
    }

    .skill-gauge-row {
        grid-template-columns: 180px 1fr;
    }
}

@media (max-width: 700px) {
    .about-intro-card {
        grid-template-columns: 1fr;
        gap: 1.4rem;
    }

    .about-profile-photo {
        width: 150px;
        height: 190px;
    }

    .about-section h2 {
        font-size: 2.1rem;
    }

    .about-item h3 {
        font-size: 1.65rem;
    }

    .skill-gauge-row {
        grid-template-columns: 150px 1fr;
    }
}