/**
 * 期刊首页 Hero 与文章列表
 * @author GCG
 */
.ssi-hero {
    position: relative;
    min-height: 500px;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: var(--ssi-surface-container);
}

.ssi-hero__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.ssi-hero__bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.ssi-hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.98) 0%, rgba(255, 255, 255, 0.92) 44%, rgba(255, 255, 255, 0.15) 100%);
}

.ssi-hero__content {
    position: relative;
    z-index: 1;
    padding: 32px var(--ssi-margin-mobile);
    max-width: var(--ssi-container-max);
    margin: 0 auto;
    width: 100%;
}

@media (min-width: 768px) {
    .ssi-hero__content { padding: 32px var(--ssi-margin-desktop); }
}

.ssi-hero__title-box {
    max-width: 620px;
    margin-bottom: 12px;
}

.ssi-hero__issue-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 14px;
    padding: 4px 10px;
    background: #72efae;
    color: #004a43;
    font-family: var(--ssi-font-label);
    font-size: 11px;
    font-weight: 700;
    line-height: 1;
    letter-spacing: 0;
    text-transform: uppercase;
}

.ssi-hero__title-box h1 {
    font-family: var(--ssi-font-display);
    font-size: 30px;
    font-weight: 700;
    color: var(--ssi-primary);
    margin: 0;
    line-height: 1.05;
    letter-spacing: 0;
}

@media (min-width: 768px) {
    .ssi-hero__title-box h1 { font-size: 48px; }
}

.ssi-hero__desc {
    max-width: 660px;
    font-family: var(--ssi-font-label);
    font-size: 16px;
    line-height: 1.55;
    color: var(--ssi-ink-black);
    margin-bottom: 24px;
}

.ssi-hero__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 32px;
    margin-bottom: 32px;
}

.ssi-hero__meta-item span:first-child {
    display: block;
    font-family: var(--ssi-font-display);
    font-size: 24px;
    font-weight: 600;
    color: var(--ssi-primary);
}

.ssi-hero__meta-item span:last-child {
    font-family: var(--ssi-font-label);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--ssi-muted-gray);
}

.ssi-section {
    padding: 64px 0;
    background: #fff;
}

/* 首页暂不展示 About the Journal 模块 */
.ssi-section--about-journal.ssi-is-hidden {
    display: none;
}

.ssi-section--white,
.ssi-section--research {
    background: #fff;
}

.ssi-section--research {
    padding-top: 48px;
    padding-bottom: 64px;
}

.ssi-section-title--research {
    align-items: flex-end;
    margin-bottom: 8px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--ssi-primary);
}

.ssi-section-title--research .ssi-headline-lg {
    margin: 0;
    line-height: 1.2;
}

.ssi-research-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    gap: 14px;
}

.ssi-research-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

.ssi-research-tab {
    appearance: none;
    border: 0;
    border-bottom: 2px solid transparent;
    background: transparent;
    color: var(--ssi-muted-gray);
    /* padding: 6px 2px 8px; */
    font-family: var(--ssi-font-label);
    /* font-size: 14px; */
    font-weight: 700;
    cursor: pointer;
}

.ssi-research-tab:hover,
.ssi-research-tab.is-active {
    color: var(--ssi-primary);
    border-bottom-color: var(--ssi-primary);
}

.ssi-research-panel {
    display: none;
}

.ssi-research-panel.is-active {
    display: block;
}

@media (max-width: 767px) {
    .ssi-section-title--research {
        align-items: flex-start;
        flex-direction: column;
    }

    .ssi-research-toolbar {
        justify-content: flex-start;
        width: 100%;
    }
}

.ssi-research-col {
    min-width: 0;
}

.ssi-research-empty {
    color: var(--ssi-muted-gray);
}

.ssi-current-issue-label {
    font-size: 16px;
    color: var(--ssi-muted-gray);
    margin: 0 0 32px;
}

.ssi-research-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.ssi-research-card {
    padding: 32px 16px;
    margin: 0 -16px;
    border-bottom: 1px solid var(--ssi-outline-variant);
    border-radius: var(--ssi-radius);
    transition: background 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
}

.ssi-research-card:first-child {
    padding-top: 16px;
}

.ssi-research-card:last-child {
    border-bottom: none;
    padding-bottom: 16px;
}

.ssi-research-card:hover {
    background: var(--ssi-surface-container-low);
}

.ssi-research-card__main {
    display: block;
    text-decoration: none;
    color: inherit;
}

.ssi-research-card__label {
    color: var(--ssi-teal-accent);
    margin-bottom: 8px;
    display: block;
}

.ssi-research-card__sep {
    margin: 0 6px;
    opacity: 0.75;
}

.ssi-research-card__title {
    font-family: var(--ssi-font-display);
    font-size: 22px;
    font-weight: 600;
    line-height: 1.3;
    margin: 0 0 16px;
    color: var(--ssi-ink-black);
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
    transition: color 0.25s ease;
}

@media (min-width: 768px) {
    .ssi-research-card__title {
        font-size: 28px;
    }
}

.ssi-research-card:hover .ssi-research-card__title {
    color: var(--ssi-primary);
}

.ssi-research-card__abstract {
    font-family: var(--ssi-font-body);
    font-size: 18px;
    line-height: 1.6;
    color: var(--ssi-muted-gray);
    margin: 0 0 16px;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
}

.ssi-research-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.ssi-research-card__authors-wrap {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
    flex: 1;
}

.ssi-research-card__avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--ssi-surface-container);
    border: 2px solid #fff;
    box-shadow: 0 0 0 1px var(--ssi-outline-variant);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--ssi-font-label);
    font-size: 12px;
    font-weight: 700;
    color: var(--ssi-primary);
    flex-shrink: 0;
    text-transform: uppercase;
}

.ssi-research-card__authors {
    font-family: var(--ssi-font-body);
    font-size: 16px;
    font-style: italic;
    color: var(--ssi-muted-gray);
}

.ssi-research-card__metrics {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
    color: var(--ssi-muted-gray);
    font-family: var(--ssi-font-label);
    font-size: 13px;
    font-weight: 600;
}

.ssi-research-card__metric {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    white-space: nowrap;
}

.ssi-research-card__metric svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.ssi-research-card__actions {
    display: flex;
    gap: 4px;
    flex-shrink: 0;
    margin-left: auto;
}

.ssi-research-card__action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 50%;
    background: transparent;
    color: var(--ssi-on-surface);
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
    text-decoration: none;
}

.ssi-research-card__action svg {
    width: 22px;
    height: 22px;
}

.ssi-research-card__action:hover {
    background: var(--ssi-surface-ice);
    color: var(--ssi-primary);
}

@media (min-width: 992px) {
    .ssi-grid-main--wide {
        grid-template-columns: minmax(0, 2fr) minmax(280px, 1fr);
        gap: 48px;
        align-items: start;
    }
}

.ssi-about-grid .ssi-body-md {
    overflow-wrap: anywhere;
}

.ssi-about-grid .ssi-body-md :is(.row, .col-md-4, .col-md-8, .col-md-9, .col-sm-12, .ml15) {
    width: auto;
    max-width: 100%;
    margin: 0;
    padding: 0;
    float: none;
}

.ssi-about-grid .ssi-body-md ul {
    padding-left: 1.2em;
}

.ssi-about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    align-items: start;
}

@media (min-width: 768px) {
    .ssi-about-grid { grid-template-columns: 280px 1fr; }
}

.ssi-journal-cover {
    width: 100%;
    box-shadow: 4px 4px 12px rgba(0, 0, 0, 0.15);
}

.ssi-issn {
    margin-top: 16px;
    font-size: 16px;
    text-align: center;
}

.ssi-view-all-link {
    display: inline-block;
    font-family: var(--ssi-font-display);
    font-weight: 700;
    font-size: 14px;
    color: var(--ssi-primary);
    white-space: nowrap;
    flex-shrink: 0;
}

.ssi-view-all-link:hover { color: var(--ssi-action-blue); text-decoration: underline; }