/* ============================ 兴趣方向 ============================ */

.page-hero {
    padding: calc(var(--nav-h) + 80px) 0 40px;
    text-align: center;
}
.page-hero .eyebrow { text-align: center; }
.page-hero h1 {
    font-size: clamp(2.4rem, 5vw, 3.6rem);
    margin-bottom: 16px;
}
.page-hero .lead {
    color: var(--text-dim);
    font-size: 1.1rem;
    max-width: 640px;
    margin: 0 auto;
}

.int-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.int-card {
    padding: 30px 26px;
    position: relative;
    overflow: hidden;
}

.int-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--accent-grad);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.int-card:hover::before {
    transform: scaleX(1);
}

.int-icon {
    font-size: 2.2rem;
    margin-bottom: 16px;
    display: inline-block;
    filter: drop-shadow(0 0 10px rgba(255, 107, 53, 0.3));
}

.int-card h3 {
    font-size: 1.2rem;
    margin-bottom: 12px;
}

.int-card p {
    color: var(--text-dim);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 16px;
    min-height: 70px;
}

.int-tags {
    display: flex;
    flex-wrap: wrap;
}

/* 持续探索 */
.explore-block {
    margin-top: 70px;
    padding: 40px;
    text-align: center;
}

.explore-block h2 {
    font-size: 2rem;
    margin-bottom: 14px;
}

.explore-block > p {
    color: var(--text-dim);
    max-width: 680px;
    margin: 0 auto 36px;
    line-height: 1.8;
}

.explore-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.explore-card {
    padding: 28px 20px;
    text-align: center;
}

.explore-card .ico {
    font-size: 1.8rem;
    margin-bottom: 12px;
    display: inline-block;
}

.explore-card h3 {
    font-size: 1.05rem;
    margin-bottom: 8px;
}

.explore-card p {
    color: var(--text-dim);
    font-size: 0.88rem;
    line-height: 1.6;
}

@media screen and (max-width: 860px) {
    .int-grid { grid-template-columns: 1fr; }
    .explore-grid { grid-template-columns: 1fr; }
    .int-card p { min-height: auto; }
}