/**
 * 功能：Agent 宣传页样式。
 * 说明：使用 .promo-page 命名空间隔离，可直接复制到前台项目使用。
 * 前台引用方式：<link rel="stylesheet" href="promo-template.css">
 */

/* ========== 基础重置 ========== */

.promo-page {
    font-family:
        -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    color: #333;
    line-height: 1.6;
    background: #f5f8ff;
    min-width: 1200px;
    overflow-x: auto;
}

.promo-page *,
.promo-page *::before,
.promo-page *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

.promo-page img {
    max-width: 100%;
    height: auto;
}

.promo-page a {
    text-decoration: none;
    color: inherit;
}

/* ========== Hero 区域 ========== */
.promo-page .promo-hero {
    position: relative;
    padding: 112px 24px;
    text-align: center;
    background: url('https://res.yaozh.com/dev/NWUsAzZB/agent_config/fz7bng2844jk.png') no-repeat center top;
    overflow: hidden;
    background-size: cover;
}

.promo-page .promo-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -20%;
    width: 140%;
    height: 50%;
    background: radial-gradient(ellipse at 30% 50%, rgb(100 180 255 / 15%) 0%, transparent 60%);
    pointer-events: none;
}

.promo-page .promo-hero-title {
    position: relative;
    font-size: 48px;
    font-weight: 700;
    letter-spacing: 1px;
    line-height: 1.42;
    color: #333;
}

.promo-page .promo-hero-subtitle {
    position: relative;
    font-size: 20px;
    max-width: 800px;
    margin: 10px auto 0;
    line-height: 1.42;
    color: #333;
}

.promo-page .promo-hero-cta {
    position: relative;
    display: inline-block;
    padding: 11px 66px;
    line-height: 1.42;
    font-size: 18px;
    font-weight: 700;
    background: linear-gradient(90deg, rgb(0 64 191 / 100%) 0%, rgb(51 187 255 / 100%) 100%);
    border: none;
    border-radius: 24px;
    cursor: pointer;
    transition:
        transform 0.2s,
        box-shadow 0.2s;
    box-shadow:
        0 2px 4px rgb(179 205 255 / 80%),
        inset 0 0 12px rgb(255 255 255 / 100%);
    margin-top: 60px;
    color: rgb(255 255 255 / 100%);
}

.promo-page .promo-hero-cta:hover {
    background: linear-gradient(90deg, rgb(0 64 191 / 100%) 0%, #2d8cf0 100%);
}

/* ========== 通用板块 ========== */
.promo-page .promo-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 48px 24px;
}

.promo-page .promo-section-title {
    font-size: 34px;
    font-weight: 700;
    color: #333;
    margin-bottom: 40px;
    line-height: 1.42;
}

/* ========== 详情介绍 ========== */
.promo-page .promo-detail-card {
    border-radius: 12px;
    background: rgb(255 255 255 / 50%);
    border: 2px solid rgb(255 255 255 / 100%);
    box-shadow: 0 0 20px rgb(179 205 255 / 40%);
    padding: 20px;
}

.promo-page .promo-detail-desc {
    font-size: 16px;
    color: rgb(102 102 102 / 100%);
    margin-bottom: 40px;
    line-height: 1.42;
}

.promo-page .promo-dimensions-title {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    margin-bottom: 20px;
}

.promo-page .promo-dimension-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.promo-page .promo-dimension-tag {
    align-items: center;
    border-radius: 22px;
    background: rgb(255 255 255 / 100%);
    box-shadow: 0 0 20px rgb(179 205 255 / 40%);
    padding: 9px 20px;
    font-size: 14px;
    line-height: 1.42;
    color: rgb(51 51 51 / 100%);
}

.promo-page .promo-info-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 40px;
}

.promo-page .promo-info-card {
    border-radius: 12px;
    background: rgb(255 255 255 / 80%);
    box-shadow: 0 0 20px rgb(179 205 255 / 40%);
}

.promo-page .promo-info-card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
    background-color: #fff;
    padding: 10px 20px;
    border-radius: 12px 12px 0 0;
}

.promo-page .promo-info-card-icon {
    font-size: 18px;
    color: #4a9eff;
}

.promo-page .promo-info-card-title {
    font-size: 18px;
    font-weight: 700;
    color: rgb(51 51 51 / 100%);
}

.promo-page .promo-info-card-bd {
    border-radius: 12px;
    background: linear-gradient(180deg, rgb(219 234 255 / 100%) 0%, rgb(255 255 255 / 100%) 100%);
    border: 2px solid rgb(255 255 255 / 100%);
    padding: 20px;
    margin: 1px 1px 0;
}

.promo-page .promo-info-card-text {
    font-size: 16px;
    color: rgb(102 102 102 / 100%);
    line-height: 1.42;
}

/* ========== 视频区域 ========== */
.promo-page .promo-video-wrapper {
    background: #fff;
    border-radius: 12px;
    padding: 16px;
    box-shadow: 0 2px 12px rgb(0 0 0 / 6%);
}

.promo-page .promo-video-container {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    background: #e8e8e8;
    border-radius: 8px;
    overflow: hidden;
}

.promo-page .promo-video-container video,
.promo-page .promo-video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.promo-page .promo-video-cover {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    cursor: pointer;
}

.promo-page .promo-video-play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 64px;
    height: 64px;
    background: rgb(0 0 0 / 50%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.2s;
}

.promo-page .promo-video-play-btn:hover {
    background: rgb(0 0 0 / 70%);
}

.promo-page .promo-video-play-btn::after {
    content: '';
    display: block;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 12px 0 12px 22px;
    border-color: transparent transparent transparent #fff;
    margin-left: 4px;
}

/* ========== 样例报告 ========== */
.promo-page .promo-samples-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 50px;
}

.promo-page .promo-sample-card {
    background: linear-gradient(156.19deg, rgb(255 255 255 / 100%) 0%, rgb(214 228 255 / 100%) 100%);
    box-shadow: 0 2px 12px rgb(0 0 0 / 6%);
    transition:
        transform 0.2s,
        box-shadow 0.2s;
    position: relative;
}

.promo-page .promo-sample-card::before {
    content: '';
    position: absolute;
    left: -6px;
    top: 0;
    width: 0;
    height: calc(100% - 2px);
    border-top: 7px solid transparent;
    border-right: 7px solid #C5D0E8;
    border-bottom: 7px solid transparent;
    border-left: 0 solid transparent;
}

.promo-page .promo-sample-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgb(0 0 0 / 10%);
}

.promo-page .promo-sample-card-body {
    padding: 20px 20px 67px;
}

.promo-page .promo-sample-card-title {
    position: relative;
    font-size: 20px;
    font-weight: 600;
    color: #1a1a1a;
}

.promo-page .promo-sample-card-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -20px;
    width: 40px;
    height: 4px;
    background: #4a9eff;
    border-radius: 2px;
    margin-top: 20px;
}

.promo-page .promo-sample-download {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 14px;
    color: #666;
    margin-top: 40px;
    cursor: pointer;
}

.promo-page .promo-sample-download:hover {
    color: rgba(0, 47, 168, 1);
}

.promo-page .promo-sample-download-icon {
    display: inline-block;
    width: 16px;
    height: 16px;
    background: url('https://res.yaozh.com/dev/NWUsAzZB/agent_config/fy7wh04zvri8.png') no-repeat center;
    background-size: cover;
    font-style: normal;
}

.promo-page .promo-sample-download:hover .promo-sample-download-icon {
    background-image: url('https://res.yaozh.com/dev/NWUsAzZB/agent_config/fz74lvxgj474.png');
}

.promo-page .promo-sample-card-footer {
    height: 100px;
    background: url('https://res.yaozh.com/dev/NWUsAzZB/agent_config/fy7ukq6xse80.png') no-repeat center center;
    background-size: 100% 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ========== FAQ ========== */
.promo-page .promo-faq-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.promo-page .promo-faq-item {
    padding: 16px 20px;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid #e0e6ff;
    box-shadow: inset 0 0 20px 12px rgb(180 190 230 / 40%);
}

.promo-page .promo-faq-question {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 4px;
    color: #1a1a2e;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    user-select: none;
    transition: background 0.2s;
}

.promo-page .promo-faq-arrow {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-right: 2px solid #7a8599;
    border-bottom: 2px solid #7a8599;
    transform: rotate(-135deg);
    transition: transform 0.3s;
}

.promo-page .promo-faq-item.active .promo-faq-arrow {
    transform: rotate(45deg);
}

.promo-page .promo-faq-answer {
    max-height: 300px;
    overflow: hidden;
    transition:
        max-height 0.3s ease,
        padding 0.3s ease;
}

.promo-page .promo-faq-item.active .promo-faq-answer {
    max-height: 0;
}

.promo-page .promo-faq-answer-text {
    font-size: 14px;
    color: #666;
    line-height: 1.8;
}

/* ========== 相关推荐 ========== */
.promo-page .promo-related-section {
    background: #fff;
    max-width: 100%;
    padding-bottom: 20px;
}

.promo-page .promo-related-wrap {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.promo-page .promo-related-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.promo-page .promo-related-card {
    border-radius: 8px;
    padding: 20px;
    background: rgb(237 243 255 / 100%);
    transition:
        all 0.2s,
        box-shadow 0.2s;
}

.promo-page .promo-related-card:hover {
    background: #fff;
    box-shadow: 0 4px 20px rgb(0 85 255 / 25%);
}

.promo-page .promo-related-card-title {
    font-size: 18px;
    font-weight: 600;
    color: #1a1a2e;
    margin-bottom: 8px;
}

.promo-page .promo-related-card-desc {
    font-size: 14px;
    color: #888;
    line-height: 1.7;
    margin-bottom: 16px;
}

.promo-page .promo-related-card-link {
    display: inline-block;
    padding: 6px 20px;
    font-size: 14px;
    color: rgb(51 51 51 / 100%);
    border: 1px solid transparent;
    background: #fff;
    border-radius: 17px;
    line-height: 1.42;
    transition:
        background 0.2s,
        color 0.2s;
}

.promo-page .promo-related-card:hover .promo-related-card-link {
    border-color: rgb(0 47 168 / 100%);
    color: rgb(0 47 168 / 100%);
}

/* ========== 底部 CTA ========== */
.promo-page .promo-footer-cta {
    text-align: center;
    padding: 100px 24px;
    background: url('https://res.yaozh.com/dev/NWUsAzZB/agent_config/fy7zegv6txc0.png') no-repeat center top;
    background-size: cover;
    overflow: hidden;
}

.promo-page .promo-footer-cta-title {
    font-size: 40px;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 10px;
}

.promo-page .promo-footer-cta-title .highlight {
    background: linear-gradient(150deg, rgb(0 64 191 / 100%), rgb(51 187 255 / 100%));
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.promo-page .promo-footer-cta-subtitle {
    font-size: 16px;
    color: #888;
}

.promo-page .promo-footer-cta-btn {
    position: relative;
    display: inline-block;
    padding: 11px 66px;
    line-height: 1.42;
    font-size: 18px;
    font-weight: 700;
    background: linear-gradient(90deg, rgb(0 64 191 / 100%) 0%, rgb(51 187 255 / 100%) 100%);
    border: none;
    border-radius: 24px;
    cursor: pointer;
    transition:
        transform 0.2s,
        box-shadow 0.2s;
    box-shadow:
        0 2px 4px rgb(179 205 255 / 80%),
        inset 0 0 12px rgb(255 255 255 / 100%);
    margin-top: 60px;
    color: rgb(255 255 255 / 100%);
}

.promo-page .promo-footer-cta-btn:hover {
    background: linear-gradient(90deg, rgb(0 64 191 / 100%) 0%, #2d8cf0 100%);
}

/* ========== 页脚 ========== */
.promo-page .promo-footer {
    text-align: center;
    padding: 20px 24px;
    background: #2d2d2d;
    color: #999;
    font-size: 12px;
}

/* ========== 关闭占位 ========== */
.promo-page .promo-disabled {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    font-size: 18px;
    color: #999;
}

.promo-breadcrumb {
    padding: 10px 20px;
    color: #333;
    background: #FFF;
    backdrop-filter: blur(10px);
}

.promo-breadcrumb a {
    color: #666;
}

.promo-breadcrumb a:hover {
    color: #002fa8;
}

.promo-breadcrumb i {
    color: #7A8599 ;
}

.footer-text {
    color: #B3B3B3;
}

/* ========== 响应式 ========== */

/* 小于 1200px 时出现横向滚动条，由 .promo-page 的 min-width + overflow-x 控制 */

/* 平板适配（769px ~ 1024px） */
@media (width <= 1024px) and (width >= 769px) {
    .promo-page {
        min-width: unset;
        overflow-x: hidden;
    }

    .promo-page .promo-hero {
        padding: 80px 24px;
    }

    .promo-page .promo-hero-title {
        font-size: 38px;
    }

    .promo-page .promo-hero-subtitle {
        font-size: 18px;
    }

    .promo-page .promo-section-title {
        font-size: 28px;
    }

    .promo-page .promo-info-cards {
        grid-template-columns: repeat(2, 1fr);
    }

    .promo-page .promo-samples-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
    }

    .promo-page .promo-footer-cta {
        padding: 72px 24px;
    }

    .promo-page .promo-footer-cta-title {
        font-size: 32px;
    }
}

/* 移动端适配（<=768px） */
@media (width <= 768px) {
    .promo-page {
        min-width: unset;
        overflow-x: hidden;
    }

    /* Hero 区域 */
    .promo-page .promo-hero {
        padding: 48px 16px 36px;
    }

    .promo-page .promo-hero-title {
        font-size: 26px;
    }

    .promo-page .promo-hero-subtitle {
        font-size: 15px;
        margin-top: 8px;
    }

    .promo-page .promo-hero-cta {
        font-size: 15px;
        padding: 10px 40px;
        margin-top: 32px;
    }

    /* 通用板块 */
    .promo-page .promo-section {
        padding: 32px 16px;
    }

    .promo-page .promo-section-title {
        font-size: 22px;
        margin-bottom: 24px;
    }

    /* 详情介绍 */
    .promo-page .promo-detail-card {
        padding: 16px;
    }

    .promo-page .promo-detail-desc {
        font-size: 14px;
        margin-bottom: 24px;
    }

    .promo-page .promo-dimensions-title {
        font-size: 16px;
        margin-bottom: 14px;
    }

    .promo-page .promo-dimension-tags {
        gap: 10px;
    }

    .promo-page .promo-dimension-tag {
        font-size: 13px;
        padding: 6px 14px;
    }

    /* 信息卡片 */
    .promo-page .promo-info-cards {
        grid-template-columns: 1fr;
        gap: 16px;
        margin-top: 24px;
    }

    .promo-page .promo-info-card-header {
        padding: 8px 14px;
        gap: 8px;
    }

    .promo-page .promo-info-card-icon {
        font-size: 16px;
    }

    .promo-page .promo-info-card-title {
        font-size: 15px;
    }

    .promo-page .promo-info-card-bd {
        padding: 14px;
    }

    .promo-page .promo-info-card-text {
        font-size: 14px;
    }

    /* 视频区域 */
    .promo-page .promo-video-wrapper {
        padding: 10px;
    }

    .promo-page .promo-video-play-btn {
        width: 48px;
        height: 48px;
    }

    .promo-page .promo-video-play-btn::after {
        border-width: 9px 0 9px 16px;
    }

    /* 样例报告 */
    .promo-page .promo-samples-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .promo-page .promo-sample-card-body {
        padding: 16px 16px 48px;
    }

    .promo-page .promo-sample-card-title {
        font-size: 17px;
    }

    .promo-page .promo-sample-download {
        margin-top: 28px;
    }

    .promo-page .promo-sample-card-footer {
        height: 72px;
    }

    /* FAQ */
    .promo-page .promo-faq-question {
        font-size: 15px;
    }
    .promo-page .promo-faq-item.active .promo-faq-answer {
        padding: 0 16px;
    }

    .promo-page .promo-faq-answer-text {
        font-size: 13px;
    }

    /* 相关推荐 */
    .promo-page .promo-related-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .promo-page .promo-related-card {
        padding: 16px;
    }

    .promo-page .promo-related-card-title {
        font-size: 16px;
    }

    .promo-page .promo-related-card-desc {
        font-size: 13px;
        margin-bottom: 12px;
    }

    /* 底部 CTA */
    .promo-page .promo-footer-cta {
        padding: 56px 16px;
    }

    .promo-page .promo-footer-cta-title {
        font-size: 22px;
    }

    .promo-page .promo-footer-cta-subtitle {
        font-size: 14px;
    }

    .promo-page .promo-footer-cta-btn {
        font-size: 15px;
        padding: 10px 40px;
        margin-top: 32px;
    }
}