@charset "utf-8";
/* ============================================================
   觉力原数官网 · 移动端样式（仅作用于视口宽度 <= 768px）
   ------------------------------------------------------------
   说明：
   1. 本文件全部规则都包在 @media 里，电脑端（>768px）零影响；
   2. 主要用于修复手机浏览器默认 980px 布局视口下 vw 单位过小、
      表格两栏在手机上挤压、案例标题只有 hover 才显示等问题；
   3. 章节顺序：基础 → 版头 → 首屏 → 标题 → 认识我们 → 核心服务
      → 项目展示 → 新生相 → 渠道 → 服务品牌 → 技术工具
      → 便捷工具 → 联系 → 页脚
   ============================================================ */

/* 技术工具「展开全文」开关：电脑端彻底隐藏，不参与布局 */
.tech-toggle-cb { display: none !important; }
.tech-toggle-label { display: none; }

@media screen and (max-width: 768px) {

/* ---------------- 0. 基础 ---------------- */
html {
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}
body {
    overflow-x: hidden;
    -webkit-tap-highlight-color: transparent;
}
body.text {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
                 "Microsoft YaHei", "思源黑体 CN Light", "Helvetica Neue", sans-serif;
    font-size: 15px;
    line-height: 1.75;
    letter-spacing: 0.2px;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; }
table { max-width: 100%; }
blockquote { margin: 0; }

/* 桌面端 80% / 90% 的窄容器在手机上放宽到 92%，两侧留出安全区 */
.text table[width="80%"],
.text table[width="90%"] {
    width: 92% !important;
}


/* ---------------- 1. 版头 LOGO ---------------- */
/* 原来 iframe 是 fixed 定位，手机上会压住首屏视频，这里改为常规流式 */
.iframe_bantou_div {
    height: 58px;
    overflow: hidden;
}
.iframe_bantou_iframe {
    position: relative !important;
    top: 0 !important;
    left: 0 !important;
    display: block;
    width: 100% !important;
    height: 58px !important;
}


/* ---------------- 2. 首屏主视频 ---------------- */
.首页快览 {
    display: block;
    width: 100vw !important;
    max-width: 100vw !important;
    padding-top: 0 !important;
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
}


/* ---------------- 3. 章节标题（统一成按钮尺寸） ---------------- */
.标题_中_01,
.标题_中_02,
.标题_中_03,
.标题_中_03:hover {
    display: table;
    margin-left: auto;
    margin-right: auto;
    margin-top: 20px !important;
    margin-bottom: 12px !important;
    padding: 10px 26px !important;
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
                 "Microsoft YaHei", "思源黑体 CN Light", sans-serif;
    font-size: 15px !important;
    line-height: 1.15 !important;
    border: 1px solid #FFAE00 !important;
    border-radius: 999px !important;
    background-color: transparent;
    white-space: nowrap;
    box-sizing: border-box;
    min-height: 0;
}
.标题_中_03 a,
.标题_中_03 a:hover { color: #FFAE00; }

/* 项目展示 / 更多项目：保持原胶囊样式，只把两者的空隙压到 12px */
.section-case .case-title-table,
.section-case .case-title-table > tbody {
    display: block;
    width: 100%;
}
/* 用 flex 让两个单元格各自收缩到文字宽度，中间留 12px */
.section-case .case-title-table > tbody > tr {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
}
.section-case .case-title-table th {
    display: block;
    width: auto;
    padding: 0 !important;
    text-align: center;
}
/* 中间那个空单元格不占位 */
.section-case .case-title-table th:empty { display: none; }
/* 关键：不拉宽、不归零内边距，样式与其它章节标题保持一致 */
.section-case .标题_中_02,
.section-case .标题_中_03,
.section-case .标题_中_03:hover {
    width: auto !important;
    min-width: 0 !important;
    margin: 12px auto 10px auto !important;
    padding: 10px 26px !important;
    font-size: 15px !important;
    border-width: 1px !important;
    text-align: center;
    white-space: nowrap;
}


/* ---------------- 4. 认识我们：文字与视频上下两行 ---------------- */
.about-row {
    display: block !important;
}
.about-row > th {
    display: block !important;
    width: 100% !important;
    box-sizing: border-box;
    padding: 0 !important;
    vertical-align: top;
}
/* 注意：正文其实是 .简介文字 里的裸文本节点（<p> 被 <h3> 提前闭合），
   所以字号与行距必须直接写在 .简介文字 上，写在 p 上不生效 */
.简介文字 {
    width: 100% !important;
    float: none !important;
    padding-right: 0 !important;
    text-align: left;
    font-size: 10px;
    line-height: 1.7;
}
.简介文字 p {
    margin: 0;
    font-size: 10px;
    line-height: 1.7;
    letter-spacing: 0;
}
.简介文字 h3 {
    font-size: 12px !important;
    line-height: 1.5;
    margin: 0 0 6px;
}
.特辑视频 {
    display: block;
    width: 100vw !important;
    max-width: 100vw !important;
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
    margin-top: 18px;
}


/* ---------------- 5. 核心服务：2×2 卡片 ---------------- */
.bg_01 {
    background-attachment: scroll !important;
    background-size: cover !important;
    background-position: center top !important;
}
.svc-grid {
    display: block;
    width: 100% !important;
}
.svc-grid > tbody { display: block; }
.svc-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    padding: 0;
}
.svc-row > th {
    display: block;
    width: calc(50% - 5px) !important;
    box-sizing: border-box;
    padding: 0 !important;
    vertical-align: top;
}
.perspective,
.perspective_02,
.perspective:hover,
.perspective_02:hover {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100% !important;
    height: auto !important;
    min-height: 86px;
    padding: 16px 10px !important;
    margin: 0 !important;
    font-size: 14px !important;
    line-height: 1.5 !important;
    text-align: center;
    text-shadow: none !important;
    border: 1px solid rgba(255, 174, 0, 0.75) !important;
    border-bottom: 3px solid #353535 !important;
    border-radius: 14px !important;
    transform: none !important;
    box-sizing: border-box;
    background-image: linear-gradient(180deg, rgba(45, 45, 45, 0.55) 0%, rgba(20, 20, 20, 0.65) 100%);
}
.perspective:hover,
.perspective_02:hover {
    color: #FFAE00;
    border-bottom-color: #FFAE00 !important;
}
.svc-grid .home_text_big {
    display: block;
    width: 100%;
    text-align: center !important;
    font-size: 19px !important;
    line-height: 1.3 !important;
    padding: 0 !important;
    margin: 0 !important;
}
/* 标语所在的那行改成普通块，保证按整屏宽度左右居中，而不是被表格挤成收缩宽度 */
.svc-grid > tbody > tr:nth-child(2) { display: block; }
.svc-grid > tbody > tr:nth-child(2) > th {
    display: block;
    width: 100% !important;
    box-sizing: border-box;
    padding: 6px 0 2px !important;
    text-align: center !important;
    vertical-align: middle;
}


/* ---------------- 6. 项目展示：两列瀑布 ---------------- */
.section-case .case-preview-grid {
    display: block;
    width: 100% !important;
    border-collapse: separate;
}
.section-case .case-preview-grid > tbody { display: block; }
.section-case .case-preview-grid > tbody > tr {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 8px;
}
.section-case .case-preview-grid > tbody > tr > th {
    display: block;
    width: calc(50% - 4px) !important;
    box-sizing: border-box;
    padding: 0 !important;
    vertical-align: top;
}
.section-case .tu { width: 100%; float: none; }
.section-case .tu img { display: block; width: 100%; }

/* 手机没有 hover，案例标题改为常显底部渐变字幕 */
.section-case .tu span,
.section-case .tu:hover span {
    left: 0 !important;
    opacity: 1 !important;
    -moz-opacity: 1 !important;
    filter: none !important;
    background: linear-gradient(to top,
                rgba(0, 0, 0, 0.92) 0%,
                rgba(0, 0, 0, 0.66) 42%,
                rgba(0, 0, 0, 0) 74%) !important;
    display: flex !important;
    flex-direction: column;
    justify-content: flex-end;
    align-items: flex-start;
    padding: 10px 10px 9px;
    box-sizing: border-box;
    text-align: left !important;
}
.section-case .tu span h1,
.section-case .tu:hover span h1 {
    left: 0 !important;
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: 13px !important;
    line-height: 1.35 !important;
    margin: 0;
    font-weight: 500;
}
.section-case .tu span h2,
.section-case .tu:hover span h2 {
    left: 0 !important;
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: 11px !important;
    line-height: 1.35 !important;
    margin: 3px 0 0;
    opacity: 0.82;
}


/* ---------------- 7. 新生相（iframe 自适应） ---------------- */
.iframe_AIGC_div { overflow: hidden; }
.iframe_AIGC_iframe { width: 100% !important; }


/* ---------------- 8. 品牌营销渠道：4 列 × 2 行 ---------------- */
.section-channel .home_text_big {
    font-size: 19px !important;
    line-height: 1.55 !important;
    padding-top: 4px !important;
}
.channel-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    width: 100% !important;
    column-gap: 0;
    row-gap: 0;
}
.channel-grid > tbody,
.channel-grid > tbody > tr { display: contents; }
.channel-grid > tbody > tr > th {
    display: block;
    width: auto !important;
    box-sizing: border-box;
    padding: 0 !important;
    vertical-align: middle;
}
/* 把「图标行 / 文字行」按 4 列重新配对：图标→标签 上下相邻 */
.channel-grid > tbody > tr:nth-child(1) > th:nth-child(-n+4) { grid-row: 1; }
.channel-grid > tbody > tr:nth-child(2) > th:nth-child(-n+4) { grid-row: 2; }
.channel-grid > tbody > tr:nth-child(1) > th:nth-child(n+5)  { grid-row: 3; }
.channel-grid > tbody > tr:nth-child(2) > th:nth-child(n+5)  { grid-row: 4; }
#qudao01, #qudao02, #qudao03, #qudao04,
#qudao05, #qudao06, #qudao07, #qudao08,
#qudao01:hover, #qudao02:hover, #qudao03:hover, #qudao04:hover,
#qudao05:hover, #qudao06:hover, #qudao07:hover, #qudao08:hover {
    height: 64px !important;
    background-size: 62% auto !important;
    background-repeat: no-repeat !important;
    background-position: center center !important;
}
#qudao_text,
#qudao_text:hover {
    width: auto !important;
    padding: 4px 0 14px !important;
    border-bottom: none !important;
    font-size: 12px !important;
    line-height: 1.4 !important;
    text-align: center;
    white-space: nowrap;
}


/* ---------------- 9. 合作机构·服务品牌 ---------------- */
.section-brands table { width: 92% !important; }
.section-brands .iframe_client_div-02 { margin-top: 0.5rem !important; }


/* ---------------- 10. 技术工具 ---------------- */
.bg_03 {
    background-attachment: scroll !important;
    background-size: cover !important;
    background-position: center top !important;
}
.bg_03 blockquote,
.bg_03 p {
    margin: 0;
    font-size: 10px;
    line-height: 1.7;
    letter-spacing: 0;
    text-align: left;
}

/* 技术工具：默认只露前 11 行，底部渐隐，下方悬浮“箭头”展开 */
.tech-block {
    position: relative;
    margin: 0 !important;
}
.tech-block p {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 11;
    overflow: hidden;
    /* 文字底部慢慢淡出，透出下面的背景，而不是用色块盖住 */
    -webkit-mask-image: linear-gradient(to bottom,
            #000 0%,
            #000 62%,
            rgba(0, 0, 0, 0.55) 82%,
            rgba(0, 0, 0, 0) 100%);
    mask-image: linear-gradient(to bottom,
            #000 0%,
            #000 62%,
            rgba(0, 0, 0, 0.55) 82%,
            rgba(0, 0, 0, 0) 100%);
}
.tech-toggle-cb:checked ~ .tech-block p {
    display: block;
    -webkit-line-clamp: none;
    overflow: visible;
    -webkit-mask-image: none;
    mask-image: none;
}

/* 悬浮箭头：无边框、无底色的点击区 */
.tech-toggle-label {
    display: block;
    position: relative;
    width: 100%;
    height: 34px;
    margin: 2px 0 0;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    user-select: none;
}
.tech-toggle-label::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 6px;
    width: 12px;
    height: 12px;
    margin-left: -6px;
    border-right: 2px solid #FFAE00;
    border-bottom: 2px solid #FFAE00;
    transform: rotate(45deg);
    animation: techArrowHint 2.6s ease-in-out infinite;
}
@keyframes techArrowHint {
    0%, 100% { opacity: 0.4; transform: rotate(45deg) translate(0, 0); }
    50%      { opacity: 1;   transform: rotate(45deg) translate(2px, 2px); }
}
/* 展开后箭头朝上，变成“收起” */
.tech-toggle-cb:checked ~ .tech-toggle-label::before {
    top: 12px;
    transform: rotate(-135deg);
    animation: none;
    opacity: 0.85;
}


/* ---------------- 11. 便捷工具 ---------------- */
.tools-section > th {
    padding: 1.4rem 12px 1.8rem !important;
}
/* 页面内联样式在 <style> 里，优先级高于外链，这里用后代选择器提高权重 */
.tools-section .tools-row {
    display: grid !important;
    grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
    justify-content: center;
    flex-wrap: nowrap !important;
    column-gap: 3px !important;
    row-gap: 0.9rem !important;
    padding: 0.6rem 0 0.4rem !important;
}
.tools-section .tool-item {
    min-width: 0 !important;
    flex: none !important;
    white-space: normal !important;
    font-size: 12px !important;
    line-height: 1.35 !important;
    text-align: center;
    letter-spacing: -0.02em;
}
.tools-section .tool-item a {
    display: block;
    width: 100%;
}
/* 图标已改为块级，隐藏原有换行标签，避免多出一行空白 */
.tools-section .tool-item br {
    display: none;
}
.tools-section .icon-tool {
    display: block;
    font-size: 26px !important;
    line-height: 1.1 !important;
    margin-bottom: 6px !important;
}


/* ---------------- 12. 联系我们 ---------------- */
.contact-section .标题_中_01 {
    margin-top: 22px !important;
    margin-bottom: 8px !important;
}
.contact-section .iframe_Contact_iframe { width: 100% !important; }
.contact-footer-gap hr { margin: 0.6rem 0 0; }


/* ---------------- 13. 页脚 ---------------- */
.iframe_Footers {
    height: 8.8rem !important;
}


/* ---------------- 14. 其它遗留 vw 尺寸兜底 ---------------- */
#空格 { margin-top: 24px; }
.版权信息 { height: auto; }
.iframe_scope { height: auto; }
.map_size { height: 46vw; }

} /* ============ /max-width:768px ============ */


/* ============================================================
   平板（600px ~ 768px）：给内容更多呼吸空间
   ============================================================ */
@media screen and (min-width: 600px) and (max-width: 768px) {

.section-case .case-preview-grid > tbody > tr > th {
    width: calc(33.333% - 6px) !important;
}
.svc-row > th { width: calc(25% - 8px) !important; }
.perspective, .perspective_02 { min-height: 100px; font-size: 14px !important; }
/* 平板上一行摆 8 个渠道图标 */
.channel-grid { grid-template-columns: repeat(8, 1fr); }
.channel-grid > tbody > tr > th { grid-row: auto !important; }
#qudao01, #qudao02, #qudao03, #qudao04,
#qudao05, #qudao06, #qudao07, #qudao08,
#qudao01:hover, #qudao02:hover, #qudao03:hover, #qudao04:hover,
#qudao05:hover, #qudao06:hover, #qudao07:hover, #qudao08:hover {
    height: 70px !important;
}
}


/* ============================================================
   窄屏（≤374px）：四个工具图标仍保持一行，文字再收一档
   ============================================================ */
@media screen and (max-width: 374px) {

.tools-section .tool-item {
    font-size: 11px !important;
    letter-spacing: -0.03em;
}
.tools-section .icon-tool {
    font-size: 23px !important;
}
}
