/* AI138 Similarity Plugin Styles */

/* 相似度徽章 */
.ai138-sim-badge {
    position: absolute;
    top: 8px;
    right: 8px;
    z-index: 2;
    padding: 2px 8px;
    font-size: 11px;
    font-weight: 600;
    color: #6d28d9;
    background: rgba(167, 139, 250, 0.12);
    border: 1px solid rgba(167, 139, 250, 0.25);
    border-radius: 999px;
    line-height: 1.6;
    pointer-events: none;
}

.ai138-sim-section .findly-related-item,
.ai138-alt-page .findly-card-col {
    position: relative;
}

/* 推荐区块简介 */
.ai138-sim-intro {
    margin: -8px 0 16px;
    font-size: 13px;
    color: var(--f-text-2, #666);
}

/* 面包屑 */
.ai138-alt-breadcrumb {
    padding: 16px 0 0;
    font-size: 13px;
    color: var(--f-text-2, #888);
}

.ai138-alt-breadcrumb a {
    color: var(--f-text-2, #666);
    text-decoration: none;
}

.ai138-alt-breadcrumb a:hover {
    color: var(--f-primary, #6d28d9);
}

.ai138-alt-breadcrumb-sep {
    margin: 0 6px;
    opacity: 0.5;
}

.ai138-alt-breadcrumb-current {
    color: var(--f-text, #333);
    font-weight: 500;
}

/* Hero */
.ai138-alt-hero {
    position: relative;
    margin: 8px 0 28px;
    padding: 4px;
    background: var(--f-surface, #f9fafb);
    border: 1px solid var(--f-border, #e5e7eb);
    border-radius: 10px;
    overflow: hidden;
}

.ai138-alt-hero::before {
    content: "";
    position: absolute;
    right: -36px;
    top: -36px;
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(167, 139, 250, 0.16), rgba(196, 181, 253, 0.06));
    pointer-events: none;
    z-index: 0;
}

.ai138-alt-hero-inner {
    position: relative;
    z-index: 1;
    padding: 28px 26px 24px;
    background: var(--f-panel, #fff);
    border-radius: 8px;
}

.ai138-alt-h1 {
    font-size: 26px;
    font-weight: 800;
    color: var(--f-text, #111);
    margin: 0 0 12px;
    line-height: 1.3;
    letter-spacing: -0.02em;
}

.ai138-alt-hero-desc {
    font-size: 15px;
    line-height: 1.8;
    color: var(--f-text-2, #555);
    margin: 0 0 16px;
    max-width: 720px;
}

.ai138-alt-hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 13px;
    color: var(--f-text-2, #777);
}

/* 通用 Section */
.ai138-alt-section {
    margin: 32px 0;
}

.ai138-alt-h2 {
    font-size: 20px;
    font-weight: 700;
    color: var(--f-text, #111);
    margin: 0 0 12px;
}

.ai138-alt-section-desc {
    font-size: 14px;
    color: var(--f-text-2, #666);
    margin: 0 0 20px;
    line-height: 1.7;
}

/* 工具介绍 */
.ai138-alt-about-content {
    padding: 20px 24px;
    background: var(--f-surface, #f9fafb);
    border: 1px solid var(--f-border, #e5e7eb);
    border-radius: 10px;
}

.ai138-alt-about-content p {
    font-size: 14px;
    line-height: 1.9;
    color: var(--f-text-2, #444);
    margin: 0 0 12px;
}

.ai138-alt-about-content p:last-child {
    margin-bottom: 0;
}

/* 原因卡片 */
.ai138-alt-reasons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.ai138-alt-reason-item {
    display: flex;
    gap: 12px;
    padding: 16px;
    background: var(--f-surface, #f9fafb);
    border: 1px solid var(--f-border, #e5e7eb);
    border-radius: 10px;
    transition: border-color 0.15s ease;
}

.ai138-alt-reason-item:hover {
    border-color: var(--f-border-strong, #d1d5db);
}

.ai138-alt-reason-icon {
    font-size: 22px;
    flex-shrink: 0;
    line-height: 1.4;
}

.ai138-alt-reason-item strong {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--f-text, #111);
    margin-bottom: 4px;
}

.ai138-alt-reason-item p {
    font-size: 13px;
    color: var(--f-text-2, #666);
    margin: 0;
    line-height: 1.6;
}

/* 选择建议 */
.ai138-alt-tips {
    padding: 20px 24px;
    background: var(--f-surface, #f9fafb);
    border: 1px solid var(--f-border, #e5e7eb);
    border-radius: 10px;
}

.ai138-alt-tips > p {
    font-size: 14px;
    color: var(--f-text-2, #555);
    margin: 0 0 12px;
}

.ai138-alt-tips ol {
    margin: 0;
    padding-left: 20px;
}

.ai138-alt-tips li {
    font-size: 14px;
    line-height: 2;
    color: var(--f-text-2, #444);
}

/* FAQ */
.ai138-alt-faq-item {
    padding: 16px 20px;
    margin-bottom: 12px;
    background: var(--f-surface, #f9fafb);
    border: 1px solid var(--f-border, #e5e7eb);
    border-radius: 8px;
    transition: border-color 0.15s ease;
}

.ai138-alt-faq-item:hover {
    border-color: var(--f-border-strong, #d1d5db);
}

.ai138-alt-faq-item h3 {
    font-size: 15px;
    font-weight: 600;
    margin: 0 0 8px;
    color: var(--f-text, #111);
}

.ai138-alt-faq-item p {
    font-size: 13px;
    line-height: 1.7;
    color: var(--f-text-2, #555);
    margin: 0;
}

/* 底部导航 */
.ai138-alt-footer-nav {
    display: flex;
    justify-content: space-between;
    padding: 24px 0 40px;
    border-top: 1px solid var(--f-border, #e5e7eb);
    margin-top: 40px;
}

.ai138-alt-footer-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--f-primary, #6d28d9);
    text-decoration: none;
    transition: opacity 0.15s ease;
}

.ai138-alt-footer-link:hover {
    opacity: 0.7;
    text-decoration: none;
}

/* 暗黑模式适配 */
.io-black-mode .ai138-sim-badge {
    color: #c4b5fd;
    background: rgba(167, 139, 250, 0.15);
    border-color: rgba(167, 139, 250, 0.3);
}

.io-black-mode .ai138-sim-sidebar-more {
    background: #171717;
    border-color: rgba(255, 255, 255, 0.18);
    color: #fff;
}

.io-black-mode .ai138-sim-sidebar-more:hover {
    background: #2e2e2e;
    border-color: rgba(255, 255, 255, 0.3);
    color: #fff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

/* 侧栏替代工具 */
.findly-ui .findly-aside-frame.ai138-sim-sidebar,
.ai138-sim-sidebar {
    padding: 20px 18px 18px;
}

.ai138-sim-sidebar-title {
    display: flex;
    align-items: center;
    gap: 7px;
    font-size: 15px;
    font-weight: 700;
    color: var(--f-text, #111);
    margin-bottom: 14px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--f-border, #e5e7eb);
}

.ai138-sim-sidebar-title::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 15px;
    border-radius: 2px;
    background: var(--f-text, #111);
    flex: none;
}

.ai138-sim-sidebar-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.ai138-sim-sidebar-card {
    position: relative;
}

.ai138-sim-sidebar-more {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin-top: 14px;
    padding: 10px 14px;
    border-radius: 8px;
    border: 1px solid #171717;
    background: #171717;
    font-size: 13px;
    font-weight: 600;
    color: #fff;
    text-align: center;
    text-decoration: none;
    transition: background 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.ai138-sim-sidebar-more:hover {
    background: #000;
    border-color: #000;
    color: #fff;
    text-decoration: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.18);
}

/* 移动端 */
@media (max-width: 767px) {
    .ai138-alt-h1 {
        font-size: 20px;
    }

    .ai138-alt-hero {
        padding: 20px 0 16px;
    }

    .ai138-alt-reasons {
        grid-template-columns: 1fr;
    }

    .ai138-alt-about-content,
    .ai138-alt-tips {
        padding: 16px;
    }

    .ai138-alt-faq-item {
        padding: 12px 14px;
    }

    .ai138-alt-footer-nav {
        flex-direction: column;
        gap: 12px;
    }
}