.section-frame {
    min-height: 85vh;
    padding: 3rem;
    border-radius: 10px;
    box-shadow: 3px 3px 10px rgba(78, 78, 78, 0.3);
    background-color: rgb(240, 240, 240);
    display: flex;
    flex-direction: column;
}



/* ---------- Section 1: Profile ---------- */
.section-profile {
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 1.5rem;
}

.my_icon {
    border-radius: 50%;
    box-shadow: 5px 5px 10px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease;
}

.my_icon:hover {
    transform: scale(1.03);
}

.short_title {
    font-size: 32px;
    font-weight: 300;
    background: linear-gradient(90deg, #21aaee 0%, #f836ee 50%);
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.profile-subtitle {
    font-size: 15px;
    color: #666;
    margin: 0;
}

.social_list {
    display: flex;
    gap: 4px;
    align-items: center;
}

.social_list svg {
    display: inline-block;
    cursor: pointer;
    height: 32px;
    padding: 0 10px;
    fill: #5f5f5f;
    transition: transform 0.3s ease, fill 0.3s ease;
}

.social_list svg:hover {
    fill: #333;
    transform: scale(1.15);
}

/* ---------- Section 2: About ---------- */
.section-about {
    gap: 1.5rem;
}

.about-intro {
    font-size: 15px;
    color: #444;
    line-height: 1.8;
    margin: 0;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    flex: 1;
}

.about-col h3 {
    font-size: 15px;
    font-weight: bold;
    color: #333;
    margin: 0 0 0.5rem 0;
}

.about-col ul {
    margin: 0;
    padding-left: 1.25rem;
    font-size: 14px;
    color: #444;
    line-height: 1.9;
}

.about-col .activity-item {
    margin-bottom: 0.75rem;
    font-size: 14px;
    color: #444;
    line-height: 1.7;
}

.about-col .activity-item strong {
    display: block;
    color: #333;
}

.spec-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.spec-card {
    padding: 0.75rem 1rem;
    border-radius: 8px;
    background: rgba(0, 0, 0, 0.04);
    font-size: 13px;
    color: #555;
    line-height: 1.7;
}

.spec-card strong {
    display: block;
    font-size: 14px;
    color: #333;
    margin-bottom: 0.2rem;
}

/* ---------- Section 3: Blog Preview ---------- */
.section-blog {
    gap: 1.5rem;
}

.blog-preview-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    flex: 1;
}

.preview-card {
    position: relative;
    padding: 1rem 1.5rem;
    border-radius: 10px;
    box-shadow: 2px 2px 8px rgba(78, 78, 78, 0.2);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.preview-card:hover {
    transform: scale(1.005);
    box-shadow: 3px 3px 12px rgba(78, 78, 78, 0.35);
}

.preview-card .card-link {
    position: absolute;
    inset: 0;
    border-radius: 10px;
}

.preview-title {
    font-size: 18px;
    font-weight: bold;
    color: #333;
    margin: 0 0 0.25rem 0;
}

.preview-description {
    font-size: 14px;
    color: #555;
    margin: 0;
}

.preview-meta {
    font-size: 12px;
    color: #888;
    margin-top: 0.5rem;
}

.blog-more {
    text-align: right;
    font-size: 14px;
    margin-top: auto;
    padding-top: 1rem;
}

.blog-more a {
    color: #555;
    text-decoration: none;
    border-bottom: 1px solid rgba(0, 0, 0, 0.2);
    padding-bottom: 2px;
    transition: color 0.2s ease;
}

.blog-more a:hover {
    color: #222;
}

/* ---------- Toast通知 ---------- */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: rgba(34, 34, 34, 0.9);
    color: #ffffff;
    padding: 0.75rem 1.25rem;
    border-radius: 8px;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 9999;
    pointer-events: none;
    font-size: 14px;
}

.toast.show {
    opacity: 1;
}