/* ==========================================================================
   Insights（/digital-signage-insights/）列表頁＋文章頁
   7 語系共用同一份內容；由 digital-signage-insights/publish_insights.py 產生的頁面使用
   ========================================================================== */

.ins-page {
    --ins-blue: #007ed4;
    --ins-blue-dark: #005a99;
    --ins-ink: #2b2b2b;
    --ins-text: #4a4a4a;
    --ins-muted: #767676;
    --ins-line: #e3e8ee;
    background: #fff;
    color: var(--ins-text);
}

.ins-wrap {
    width: min(1200px, 100% - 40px);
    margin: 0 auto;
}

.ins-narrow {
    width: min(820px, 100% - 40px);
    margin: 0 auto;
}

/* ---------- 返回列表／下一篇（比照 news 的 Back to Newsroom）---------- */
.ins-back {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    margin: 0;
    padding: 26px 0 0;
    font-size: 18px;
}

.ins-backlink {
    color: #999999;
    text-decoration: none !important;
    transition: color .3s cubic-bezier(.2, 0, 0, 1);
}

.ins-backlink:hover {
    color: #007ed4;
}

/* ---------- 列表頁 banner（比照 newsroom：滿版圖、置中標題、下拉篩選）---------- */
.ins-banner {
    margin-top: 60px;
    height: 500px;
    background: url("/images/digital_signage_insights/insights_banner.jpg") no-repeat 50% 50% / cover;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 28px;
    text-align: center;
    color: #fff;
    padding: 0 20px;
    box-sizing: border-box;
}

.ins-banner h1 {
    margin: 0;
    font-size: 40px;
    font-weight: 500;
    line-height: 1.25;
    color: #fff;
}

.ins-banner__filter {
    width: 100%;
    display: flex;
    justify-content: center;
}

.ins-sr {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
}

.ins-select {
    position: relative;
    display: block;
    width: 260px;
    max-width: 100%;
}

.ins-select select {
    appearance: none;
    -webkit-appearance: none;
    width: 100%;
    font-family: "Poppins", inherit;
    font-size: 16px;
    font-weight: 500;
    line-height: 1.5;
    color: #595959;
    padding: 12px 44px 12px 20px;
    border: none;
    border-radius: 5px;
    background-color: rgba(255, 255, 255, .85);
    backdrop-filter: blur(5px);
    cursor: pointer;
    outline: none;
}

.ins-select select:focus-visible {
    box-shadow: 0 0 0 2px #fff, 0 0 0 4px var(--ins-blue);
}

.ins-select::after {
    content: "";
    position: absolute;
    top: 50%;
    right: 20px;
    width: 0.8em;
    height: 0.5em;
    transform: translateY(-50%);
    background: url(/images/tech_support/select_arrow.svg) no-repeat center / contain;
    pointer-events: none;
}

/* ---------- 列表卡片 ---------- */
.ins-list {
    padding: 50px 0 70px;
}

.ins-grid {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.ins-card {
    display: flex;
    flex-direction: column;
    background: #fff;
    border: 1px solid var(--ins-line);
    border-radius: 10px;
    overflow: hidden;
    transition: box-shadow .2s, transform .2s;
}

.ins-card:hover {
    box-shadow: 0 10px 28px rgba(0, 40, 80, .12);
    transform: translateY(-3px);
}

.ins-card a {
    color: inherit;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.ins-card__img {
    aspect-ratio: 16 / 9;
    overflow: hidden;
}

.ins-card__img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.ins-card__body {
    padding: 20px 22px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex: 1;
}

.ins-card__title {
    margin: 0;
    font-size: 20px;
    font-weight: 500;
    line-height: 1.4;
    color: var(--ins-ink);
}

.ins-card__sum {
    margin: 0;
    font-size: 15px;
    line-height: 1.65;
    color: var(--ins-text);
    flex: 1;
}

.ins-card__more {
    font-size: 15px;
    color: var(--ins-blue);
}

/* ---------- 共用：分類標籤、日期 ---------- */
.ins-tag {
    display: inline-block;
    align-self: flex-start;
    font-size: 13px;
    line-height: 1;
    padding: 6px 10px;
    border-radius: 4px;
    background: #e6f2fb;
    color: var(--ins-blue-dark);
    font-weight: 500;
    letter-spacing: .02em;
}

.ins-meta {
    font-size: 14px;
    color: var(--ins-muted);
    display: flex;
    flex-wrap: wrap;
    gap: 4px 14px;
}

/* ---------- 文章頁 ---------- */
.ins-article__head {
    padding: 26px 0 30px;
}

.ins-article__head h1 {
    margin: 14px 0 16px;
    font-size: clamp(28px, 3.6vw, 42px);
    font-weight: 500;
    line-height: 1.25;
    color: var(--ins-ink);
}

.ins-hero-img {
    margin: 0 auto 40px;
    width: min(1200px, 100% - 40px);
}

.ins-hero-img img {
    width: 100%;
    height: auto;
    aspect-ratio: 1920 / 550;
    object-fit: cover;
    border-radius: 10px;
    display: block;
}

/* 重點摘要（AEO：答案先講） */
.ins-tldr {
    border: 1px solid var(--ins-line);
    border-radius: 6px;
    padding: 22px 26px;
    margin: 0 0 34px;
}

.ins-tldr h2 {
    margin: 0 0 10px;
    font-size: 18px;
    font-weight: 600;
    color: var(--ins-ink);
}

.ins-tldr ul {
    margin: 0;
    padding-left: 20px;
}

.ins-tldr li {
    font-size: 16px;
    line-height: 1.7;
    margin: 4px 0;
}

/* 目錄 */
.ins-toc {
    border: 1px solid var(--ins-line);
    border-radius: 6px;
    padding: 18px 24px;
    margin: 0 0 40px;
}

.ins-toc h2 {
    margin: 0 0 8px;
    font-size: 16px;
    font-weight: 600;
    color: var(--ins-ink);
}

.ins-toc ol {
    margin: 0;
    padding-left: 0;
    list-style: none;
}

.ins-toc li {
    font-size: 15px;
    line-height: 1.8;
}

.ins-toc a {
    color: var(--ins-blue);
    text-decoration: none;
}

.ins-toc a:hover {
    text-decoration: underline;
}

/* 內文 */
.ins-body section {
    scroll-margin-top: 90px;
}

.ins-body h2 {
    margin: 42px 0 14px;
    font-size: 26px;
    font-weight: 500;
    line-height: 1.35;
    color: var(--ins-ink);
}

.ins-body h3 {
    margin: 26px 0 8px;
    font-size: 19px;
    font-weight: 600;
    color: var(--ins-ink);
}

.ins-body p,
.ins-body li {
    font-size: 17px;
    line-height: 1.85;
}

.ins-body p {
    margin: 0 0 16px;
}

.ins-body ul,
.ins-body ol {
    margin: 0 0 18px;
    padding-left: 22px;
}

.ins-body a {
    color: var(--ins-blue);
}

.ins-body figure {
    margin: 26px 0;
}

.ins-body figure img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    display: block;
}

/* 內嵌 YouTube 影片（16:9）*/
.ins-body .ins-video {
    position: relative;
    aspect-ratio: 16 / 9;
    background: #000;
    border-radius: 8px;
    overflow: hidden;
}

.ins-body .ins-video iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

.ins-body figcaption {
    font-size: 14px;
    color: var(--ins-muted);
    margin-top: 8px;
}

.ins-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 0 0 20px;
    font-size: 15px;
}

.ins-body th,
.ins-body td {
    border: 1px solid var(--ins-line);
    padding: 10px 12px;
    text-align: left;
    vertical-align: top;
    line-height: 1.6;
}

.ins-body th {
    color: var(--ins-ink);
    font-weight: 600;
}

.ins-note {
    font-size: 14px !important;
    color: var(--ins-muted);
}

/* FAQ */
.ins-faq {
    margin: 50px 0 0;
}

.ins-faq h2 {
    margin: 0 0 16px;
    font-size: 26px;
    font-weight: 500;
    color: var(--ins-ink);
}

.ins-faq details {
    border-bottom: 1px solid var(--ins-line);
    padding: 4px 0;
}

.ins-faq summary {
    cursor: pointer;
    list-style: none;
    position: relative;
    padding: 14px 36px 14px 0;
    font-size: 17px;
    font-weight: 500;
    line-height: 1.5;
    color: var(--ins-ink);
}

.ins-faq summary::-webkit-details-marker {
    display: none;
}

.ins-faq summary::after {
    content: "+";
    position: absolute;
    right: 6px;
    top: 10px;
    font-size: 24px;
    color: var(--ins-blue);
    font-weight: 300;
}

.ins-faq details[open] summary::after {
    content: "−";
}

.ins-faq details p {
    margin: 0 0 16px;
    font-size: 16px;
    line-height: 1.8;
}

.ins-faq a {
    color: var(--ins-blue);
}

/* 作者／發布者 */
/* CAYIN Technology in Brief：與 news 頁 .news_middle .news_abt_cayin 相同（#eee 底、40px 內距、28.8px 粗體標題、16px/300 內文、#595959）*/
.ins-brief {
    margin: 46px 0 0;
    padding: 40px;
    background-color: #eeeeee;
    color: #595959;
}

.ins-brief h3 {
    margin: 0 0 16px;
    font-size: 1.8em;
    font-weight: 700;
    line-height: 1.5em;
    color: #595959;
}

.ins-brief p {
    margin: 0;
    font-size: 1em;
    font-weight: 300;
    line-height: 1.6em;
    color: #595959;
}

@media screen and (max-width: 768px) {
    .ins-brief {
        padding: 24px 20px;
    }

    .ins-brief h3 {
        font-size: 1.5em;
    }
}

/* 相關產品 tag（產品卡下方）*/
.ins-prodtags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin: 8px 0 0;
    padding: 0;
    list-style: none;
    text-align: left;
}

.ins-prodtags a {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 4px;
    background: #e9f5fc;
    color: #007ed4;
    font-size: 13px;
    line-height: 1.5;
    text-decoration: none !important;
    transition: background .2s, color .2s;
}

.ins-prodtags a:hover {
    background: #007ed4;
    color: #fff;
}

.ins-related {
    padding: 54px 0 60px;
    margin-top: 60px;
}

.ins-related h2 {
    margin: 0 0 24px;
    font-size: 26px;
    font-weight: 500;
    color: var(--ins-ink);
}

.ins-related + .ins-related {
    margin-top: 0;
    background: #fff;
}

/* ---------- 相關產品卡（比照 web-technologies 的 Suitable Digital Signage Players）---------- */
.ins-top {
    display: flex;
    align-items: stretch;
    gap: 24px;
    margin: 0 0 34px;
}

.ins-top .ins-tldr {
    flex: 1 1 auto;
    min-width: 0;
    margin: 0;
}

.ins-prodcard {
    flex: 0 0 310px;
    width: 310px;
    min-width: 0;
    max-width: 100%;
    box-sizing: border-box;
    padding: 20px;
    background: #fff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.ins-prodcard h2 {
    margin: 0 0 10px;
    font-size: 18px;
    font-weight: 500;
    line-height: 1.5;
    text-align: left;
    color: #595959;
}

.ins-pslider {
    width: 100%;
    margin: 15px 0;
    overflow: hidden;
    border-radius: 8px;
    position: relative;
}

.ins-pslider .swiper-slide {
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
}

.ins-pslider__link {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 15px;
    box-sizing: border-box;
    text-decoration: none !important;
    transition: transform .3s ease;
}

.ins-pslider__link:hover {
    transform: scale(1.05);
}

.ins-pslider__img {
    width: auto;
    max-width: 210px;
    height: 100px;
    object-fit: contain;
    margin-bottom: 15px;
    border-radius: 4px;
}

.ins-pslider__name {
    color: #595959;
    font-size: 17.6px;
    font-weight: 500;
}

.ins-pslider .swiper-button-next,
.ins-pslider .swiper-button-prev {
    color: #007ed4;
    width: 28px;
    height: 28px;
    margin-top: -20px;
    background-color: rgba(255, 255, 255, .9);
    border-radius: 50%;
    box-shadow: 0 2px 8px rgba(0, 0, 0, .15);
    transition: all .3s ease;
}

.ins-pslider .swiper-button-next:after,
.ins-pslider .swiper-button-prev:after {
    font-size: 12px;
    font-weight: bold;
}

.ins-pslider .swiper-button-next:hover,
.ins-pslider .swiper-button-prev:hover {
    background-color: #007ed4;
    color: #fff;
    box-shadow: 0 4px 12px rgba(0, 126, 212, .3);
}

.ins-pslider .swiper-button-next {
    right: 4px;
}

.ins-pslider .swiper-button-prev {
    left: 4px;
}

@media screen and (max-width: 768px) {
    .ins-top {
        flex-direction: column;
    }

    .ins-prodcard {
        flex: none;
        width: 100%;
        max-width: 100%;
    }
}

.ins-cta {
    background: #007ed4;
    color: #fff;
    text-align: center;
    padding: 54px 20px 60px;
}

.ins-cta h2 {
    margin: 0 0 10px;
    font-size: clamp(24px, 3vw, 32px);
    font-weight: 500;
    color: #fff;
}

.ins-cta p {
    margin: 0 auto 24px;
    max-width: 640px;
    font-size: 17px;
    line-height: 1.7;
    color: rgba(255, 255, 255, .92);
}

.ins-btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 999px;
    background: #fff;
    color: var(--ins-blue-dark) !important;
    font-size: 16px;
    font-weight: 500;
    text-decoration: none !important;
}

.ins-btn:hover {
    background: #e6f2fb;
}

/* ---------- RWD ---------- */
@media screen and (max-width: 1024px) {
    .ins-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media screen and (max-width: 768px) {
    .ins-banner {
        height: 300px;
        gap: 20px;
    }

    .ins-banner h1 {
        font-size: 30px;
    }

    .ins-select {
        width: 100%;
        max-width: 320px;
    }

    .ins-grid {
        grid-template-columns: 1fr;
        gap: 22px;
    }

    .ins-back {
        font-size: 16px;
    }

    .ins-hero-img {
        margin-bottom: 28px;
    }

    .ins-hero-img img {
        aspect-ratio: 16 / 9;
        border-radius: 0;
    }

    .ins-hero-img {
        width: 100%;
    }

    .ins-body h2,
    .ins-faq h2,
    .ins-related h2 {
        font-size: 22px;
    }

    .ins-body p,
    .ins-body li {
        font-size: 16px;
    }

    .ins-tldr {
        padding: 18px 18px;
    }

}

/* ---------- 文章頁上邊距（讓出固定選單 60px，比照 news 不放色條）與次要按鈕 ---------- */
.ins-article-page .ins-article {
    padding-top: 60px;
}

.ins-btn--ghost {
    background: transparent;
    color: #fff !important;
    border: 1px solid rgba(255, 255, 255, .8);
    margin-left: 10px;
}

.ins-btn--ghost:hover {
    background: rgba(255, 255, 255, .12);
}