/* ============ auto-1017 v3：「AI+自动化」tab —— 9 条链路（标题即分类 · 浅色 · 固定全景 · iframe 嵌入） ============
   位置：紧跟 <style id="aiTechStyle"> 开标签之后（所有块注入器的删除范围都不会覆盖到这里）
   配色：与站点纸底一致 —— 页底 #fbfbf9 / 卡 #fbfbf9 / 舞台 #fbfaf6 / 强调 #ae8539
   配套：auto_js_1017.js */
.ot-at{
  --at-gold:#ae8539;
  --at-gold-deep:#6b4c12;
  --at-gold-soft:#f8ecd2;
  --at-line:rgba(26,25,22,.12);
  --at-paper:#fbfbf9;
  position:relative;z-index:10;width:100%;height:100%;min-height:0;
  display:flex;flex-direction:column;
  font-family:var(--font-ui);
  background:transparent;
}
.ot-at *,.ot-at *::before,.ot-at *::after{box-sizing:border-box}

/* —— 标题（9 个分类，两行居中；右上留 54px 给全屏按钮） —— */
.ot-at-bar{
  flex:0 0 auto;display:flex;flex-direction:column;gap:7px;
  padding:1px 54px 0;
}
.ot-at-line{display:flex;flex-wrap:wrap;justify-content:center;gap:7px}
.ot-at-btn{
  flex:none;display:inline-flex;align-items:center;gap:7px;height:30px;
  padding:0 15px 0 12px;border-radius:999px;
  border:1px solid var(--at-line);background:#fff;
  color:rgba(26,25,22,.66);
  font-family:inherit;font-size:13px;font-weight:500;line-height:1;letter-spacing:.01em;
  cursor:pointer;white-space:nowrap;
  transition:color .2s,border-color .2s,background .2s;
}
.ot-at-btn i{
  font-style:normal;font-size:9.5px;letter-spacing:.08em;
  color:rgba(26,25,22,.3);font-variant-numeric:tabular-nums;
  transition:color .2s;
}
.ot-at-btn:hover{color:rgba(26,25,22,.92);border-color:rgba(174,133,57,.45)}
.ot-at-btn.is-on{
  color:var(--at-gold-deep);border-color:rgba(174,133,57,.55);background:var(--at-gold-soft);
}
.ot-at-btn.is-on i{color:rgba(122,90,28,.7)}

/* —— 当前条目的一句话 + 与舞台的间距（10-20：改居中 + 上下拉开） —— */
.ot-at-sub{
  flex:0 0 auto;display:flex;justify-content:center;
  padding:20px 4px 22px;
}
.ot-at-sub span{
  font-size:12px;color:rgba(26,25,22,.42);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%;
}

/* —— 舞台 —— */
.ot-at-view{
  position:relative;flex:1 1 0;min-height:0;
  border-radius:12px;overflow:hidden;
  border:1px solid rgba(26,25,22,.1);
  background:#f8f5ea;
}
.ot-at-view iframe,
.ot-at-view video{
  position:absolute;inset:0;width:100%;height:100%;display:block;border:0;
  /* 点画布后 Chrome 会在 iframe 左上画 focus ring（3px 近黑，被 overflow 裁成 L 形）——彻底压掉 */
  outline:0!important;outline-offset:0!important;-webkit-focus-ring-color:transparent!important;
}
.ot-at-view iframe:focus,
.ot-at-view iframe:focus-visible,
.ot-at-view iframe:active,
.ot-at-view video:focus{
  outline:0!important;box-shadow:none!important;-webkit-focus-ring-color:transparent!important;
}
.ot-at-view video{object-fit:contain;background:#f4f1e6}
/* 视频态（01 AI 自动化实录）：舞台收成视频自身比例，把画面后面那块奶油黄底板去掉；
   另外 8 条流程仍走 iframe 吃满舞台，配色一律不动。 */
.ot-at-view.is-video{flex:0 0 auto;margin:auto;background:transparent;box-shadow:0 16px 38px rgba(38,32,20,.10), 0 1px 2px rgba(38,32,20,.05)}
.ot-at-view.is-video video{background:transparent}
.ot-at-empty{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  color:rgba(26,25,22,.32);font-size:12px;letter-spacing:.08em;
}
.ot-at-empty::after{
  content:"";position:absolute;left:50%;top:50%;width:22px;height:22px;margin:-11px 0 0 -11px;
  border-radius:50%;border:1px solid rgba(174,133,57,.45);border-top-color:transparent;
  animation:ot-at-spin .9s linear infinite;
}
@keyframes ot-at-spin{to{transform:rotate(360deg)}}

/* —— 全屏按钮（右上角，不参与居中排布） —— */
.ot-at-full{
  position:absolute;right:0;top:1px;z-index:4;
  width:30px;height:30px;padding:0;margin:0;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:8px;border:1px solid var(--at-line);background:#fff;
  color:rgba(26,25,22,.55);font-family:inherit;font-size:13px;line-height:1;cursor:pointer;
  transition:color .2s,border-color .2s,background .2s;
}
.ot-at-full:hover{color:var(--at-gold-deep);border-color:rgba(174,133,57,.5);background:#fffdf8}

/* —— 全屏态 —— */
.ot-at.is-full{
  position:fixed;inset:0;z-index:99990;width:auto;height:auto;min-height:0;
  background:var(--at-paper);padding:16px 22px 18px;
}
.ot-at.is-full .ot-at-view{border-radius:10px}
html.ot-at-lock,html.ot-at-lock body{overflow:hidden!important}

/* —— 该 tab 的卡片：去左右留白、满宽、加高、纸色 —— */
@media (min-width:1016px){
#ai-tech-block .ot-why-case[data-role="AI+自动化"]{
  position:relative;left:50%;
  width:min(1500px, calc(100vw - 104px));
  margin-left:calc(min(1500px, calc(100vw - 104px)) * -0.5);
}
}
#ai-tech-block .ot-why-case[data-role="AI+自动化"] .WhyMarvisSection_desktopPadding__DHrSR{padding:0}
#ai-tech-block .ot-why-case[data-role="AI+自动化"] .WhyMarvisSection_desktopCard__azlfh{
  padding:18px 20px;
  height:clamp(560px, calc(100vh - 156px), 880px);
  max-width:none;
  border-radius:18px;
  background:var(--at-paper);
  border:1px solid rgba(26,25,22,.08);
  box-shadow:0 14px 40px rgba(38,32,20,.06), 0 1px 2px rgba(38,32,20,.04);
}
#ai-tech-block .ot-why-case[data-role="AI+自动化"] .WhyMarvisSection_desktopBg__xgVmz{display:none}
#ai-tech-block .ot-why-case[data-role="AI+自动化"] .WhyMarvisSection_videoArea__wuy25{display:none}
/* 10-20：标题区恢复显示（用户要把「AI+自动化 / 介绍文案」放回来）；只收紧留白，不再 display:none */
#ai-tech-block .ot-why-case[data-role="AI+自动化"] .WhyMarvisSection_sectionDesktop__fcVY0 > .ScrollReveal_reveal__j2dA_:not(.WhyMarvisSection_fullBlock__oBDwX){margin-top:4px;margin-bottom:-24px}
/* 该 tab 的介绍句较长（Agent 工作流编排 / RPA / Playwright），加宽到一行放得下，避免末行只剩四个字 */
#ai-tech-block .ot-why-case[data-role="AI+自动化"] .ot-role-desc{max-width:920px}
#ai-tech-block .ot-why-case[data-role="AI+自动化"] .WhyMarvisSection_fullBlock__oBDwX{margin-top:0}

/* tab 栏：略收紧上间距（sticky 在 .oneteam{overflow:hidden} 下不生效，不做无效声明） */
#ai-tech-block .ot-tabs-wrap{margin-top:26px}

/* —— 移动端（≤1015px 走 mobileHTML 的 ot-at-m，用短名、单行横滑） —— */
.ot-at-m .ot-at-bar{padding:0 32px 0 0;gap:0}
.ot-at-m .ot-at-line{flex-wrap:nowrap;overflow-x:auto;justify-content:flex-start;gap:5px;scrollbar-width:none}
.ot-at-m .ot-at-line::-webkit-scrollbar{display:none}
.ot-at-m .ot-at-btn{height:27px;padding:0 10px 0 8px;font-size:11px;gap:5px}
.ot-at-m .ot-at-btn i{font-size:8.5px}
.ot-at-m .ot-at-sub{display:none}
.ot-at-m .ot-at-full{width:26px;height:26px;top:0}
#ai-tech-block .ot-why-case[data-role="AI+自动化"] .WhyMarvisSection_card__bAWTd{
  padding:8px;background:var(--at-paper) !important;border-radius:16px;
}
@media (max-width:1015px){
#ai-tech-block .ot-why-case[data-role="AI+自动化"] [data-wm="mobile"] div:has(> .WhyMarvisSection_card__bAWTd){
  padding-left:8px!important;padding-right:8px!important;
}
#ai-tech-block .ot-why-case[data-role="AI+自动化"] .WhyMarvisSection_card__bAWTd .ot-at{height:clamp(420px, 104vw, 560px);}
/* 视频态（01 实录）：卡片高度跟着 16:9 画面走，别在画面上下留一大片空白；
   其余流程仍按上面的固定高度吃满，配色不动。 */
#ai-tech-block .ot-why-case[data-role="AI+自动化"] .WhyMarvisSection_card__bAWTd .ot-at-m.is-vid{height:auto}
.ot-at-m.is-vid .ot-at-view{flex:0 0 auto;width:100%;height:auto;aspect-ratio:16/9;margin:8px 0 2px}
}
@font-face{font-family:"Source Han Serif CN Embedded";src:url("https://aiimg6688.oss-cn-hangzhou.aliyuncs.com/portfolio-v3/assets/fonts/SourceHanSerifCN-SemiBold-subset.woff2") format("woff2");font-style:normal;font-weight:600;font-display:swap}
#ai-tech-block{--bg:#fbfbf9;--text-primary:#0a0a09;--text-secondary:rgba(10, 10, 9, 0.55);--line-soft:rgba(0, 0, 0, 0.08);--pill-bg:rgba(41, 33, 10, 0.07);--radius-lg:20px;--container:min(1200px, calc(100vw - 48px));--floating-download-offset:0px;--support-fab-offset:0px;--ops-banner-height:68px}
#ai-tech-block,#ai-tech-block *,#ai-tech-block ::after,#ai-tech-block ::before{box-sizing:border-box}
#ai-tech-block p{margin:0}
#ai-tech-block{font-family:var(--font-ui);background:var(--bg);color:var(--text-primary);line-height:1.6}
#ai-tech-block .container{width:var(--container);margin-inline:auto}
#ai-tech-block .features-header{text-align:center;margin-bottom:20px}
#ai-tech-block .section-label{font-size:13px;color:var(--ot-text-3);letter-spacing:.12em;text-transform:uppercase;margin-bottom:18px}
#ai-tech-block .oneteam{--ot-bg:var(--bg);--ot-bg-card:rgba(255, 255, 255, 0.62);--ot-bg-card-hover:rgba(255, 255, 255, 0.78);--ot-text-1:var(--text-primary);--ot-text-2:var(--text-secondary);--ot-text-3:rgba(10, 10, 9, 0.38);--ot-border:var(--line-soft);--ot-border-hover:rgba(10, 10, 9, 0.16);--ot-gold:#e4bf7a;--ot-gold-light:#f0d8a8;--ot-blue:#4fa8fe;--ot-purple:#a78bfa;--ot-radius:24px;background:var(--ot-bg);position:relative;overflow:hidden;padding:0 0 120px;color:var(--ot-text-1)}
#ai-tech-block .oneteam::before{content:none}
#ai-tech-block .oneteam .features-header{text-align:center;margin-bottom:20px}
#ai-tech-block .oneteam .section-label{font-size:13px;color:var(--ot-text-3);letter-spacing:.12em;text-transform:uppercase;margin-bottom:18px}
#ai-tech-block .oneteam .section-desc{max-width:860px;margin:0 auto;color:var(--ot-text-2);font-size:16px;line-height:1.85}
#ai-tech-block .ot-equation{display:flex;align-items:center;justify-content:center;gap:4px;margin-bottom:20px;flex-wrap:wrap}
#ai-tech-block .ot-eq-item{font-family:"Source Han Serif CN Embedded",FZYaSongS-M-GB,STSong,serif;font-weight:600;font-size:48px;letter-spacing:-.02em}
#ai-tech-block .ot-eq-person{color:var(--ot-text-1)}
#ai-tech-block .ot-eq-equals, #ai-tech-block .ot-eq-plus{color:var(--ot-text-3);font-size:clamp(22px, 3vw, 34px)}
#ai-tech-block .ot-eq-wukong{color:var(--ot-text-1);background:0 0;-webkit-text-fill-color:currentColor}
#ai-tech-block .ot-eq-result{background:0 0;color:#ae8539;-webkit-text-fill-color:#AE8539}
#ai-tech-block .ot-tabs-wrap{position:relative;margin-top:38px}
#ai-tech-block .ot-tabs-wrap::after{content:"";position:absolute;top:0;right:0;bottom:0;width:48px;background:linear-gradient(90deg,transparent,var(--ot-bg));pointer-events:none;z-index:1;display:none}
#ai-tech-block .ot-tabs{display:flex;gap:0;overflow-x:auto;scrollbar-width:none;border-bottom:1px solid var(--ot-border);-webkit-overflow-scrolling:touch}
#ai-tech-block .ot-tabs::-webkit-scrollbar{display:none}
#ai-tech-block .ot-tab{flex-shrink:0;padding:14px 22px;cursor:pointer;font-size:15px;font-weight:600;color:var(--ot-text-2);border-bottom:2px solid transparent;transition:.3s;display:inline-flex;align-items:center;gap:8px;white-space:nowrap;user-select:none}
#ai-tech-block .ot-tab-icon{width:16px;height:16px;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;opacity:.92}
#ai-tech-block .ot-tab:hover{color:rgba(10,10,9,.78)}
#ai-tech-block .ot-tab.active{color:#8a6428;border-bottom-color:#8a6428}
#ai-tech-block .ot-detail{margin-top:32px;border-radius:var(--ot-radius);border:1px solid var(--ot-border);background:var(--ot-bg-card);box-shadow:0 2px 10px rgba(10,10,9,.04);overflow:hidden;min-height:360px;display:grid;grid-template-columns:1fr 1fr;transition:border-color .3s}
#ai-tech-block .ot-detail:hover{border-color:var(--ot-border-hover)}
#ai-tech-block .ot-detail-visual{position:relative;overflow:hidden}
#ai-tech-block .ot-detail-bg-img{display:none}
#ai-tech-block .ot-detail-scene{position:absolute;inset:0;overflow:hidden;opacity:0;transform:translateY(16px);transition:.5s cubic-bezier(.16, 1, .3, 1)}
#ai-tech-block .ot-detail-scene.show{opacity:1;transform:translateY(0)}
#ai-tech-block .ot-scene-img{position:absolute;top:12.6%;left:8.19%;width:92%;height:auto;min-height:88%}
#ai-tech-block .ot-scene-img.shift-down{bottom:-26px}
#ai-tech-block .ot-detail-content{padding:48px 44px;display:flex;flex-direction:column;justify-content:center}
#ai-tech-block .ot-detail-num{font-size:12px;font-weight:700;color:var(--ot-gold);letter-spacing:.1em;margin-bottom:12px}
#ai-tech-block .ot-detail-title{font-family:var(--font-ui);font-weight:600;font-size:32px;line-height:40px;margin-bottom:16px}
#ai-tech-block .ot-detail-desc{font-size:15px;color:var(--ot-text-2);line-height:1.8;margin-bottom:24px}
#ai-tech-block .ot-detail-skills{display:flex;flex-wrap:wrap;gap:8px}
#ai-tech-block .ot-detail-skill{padding:6px 14px;border-radius:10px;font-size:13px;font-weight:500;background:rgba(228,191,122,.16);color:rgba(82,53,0,.78);border:1px solid rgba(228,191,122,.5)}
@media (min-width:761px) and (max-width:1200px){
#ai-tech-block .ot-detail{grid-template-columns:1fr}
#ai-tech-block .ot-detail-visual{min-height:0;aspect-ratio:16/10}
#ai-tech-block .ot-detail-content{padding:34px 30px}
#ai-tech-block .ot-detail-title{font-size:clamp(20px, 2.67vw, 32px);line-height:1.3}
}
@media (max-width:760px){
#ai-tech-block .oneteam{padding:72px 0}
#ai-tech-block .oneteam .section-desc{font-size:14px;line-height:1.7}
#ai-tech-block .ot-equation{gap:0}
#ai-tech-block .ot-eq-item{font-size:28px}
#ai-tech-block .ot-tabs{padding-bottom:0}
#ai-tech-block .ot-tab{padding:12px 14px;font-size:14px}
#ai-tech-block .ot-tab-icon{width:15px;height:15px}
#ai-tech-block .ot-detail{grid-template-columns:1fr;min-height:0;margin-top:22px}
#ai-tech-block .ot-detail-visual{min-height:0;aspect-ratio:16/10}
#ai-tech-block .ot-detail-content{padding:24px 18px}
#ai-tech-block .ot-detail-title{font-size:22px;line-height:1.3}
#ai-tech-block .ot-detail-desc{font-size:14px}
}
/* 移动端优化 */
#ai-tech-block .container{max-width:100%}
#ai-tech-block .oneteam{width:100%;box-sizing:border-box}
@media (max-width:760px){
#ai-tech-block .oneteam{padding:48px 16px}
#ai-tech-block .ot-equation{gap:6px;flex-wrap:wrap;justify-content:center}
#ai-tech-block .ot-eq-item{font-size:24px}
#ai-tech-block .ot-eq-equals, #ai-tech-block .ot-eq-plus{font-size:18px}
#ai-tech-block .section-desc, #ai-tech-block .oneteam .section-desc{padding:0 8px;font-size:14px}
#ai-tech-block .ot-tabs-wrap{overflow:visible}
#ai-tech-block .ot-tabs-wrap::after{display:none}
#ai-tech-block .ot-tabs{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 4px;width:auto;padding:0 8px;border-bottom:none}
#ai-tech-block .ot-tab{padding:8px 10px;font-size:13px}
#ai-tech-block .ot-tab-icon{width:14px;height:14px}
#ai-tech-block .ot-detail{margin-top:16px}
#ai-tech-block .ot-detail-content{padding:20px 16px}
#ai-tech-block .ot-detail-title{font-size:20px;line-height:1.3}
#ai-tech-block .ot-detail-desc{font-size:13px}
#ai-tech-block .ot-detail-skill{padding:5px 10px;font-size:12px}
}
/* ============================================================
     注入：Marvis 官网「更懂你的AI助手」区块样式（类名与原站编译后完全一致）
     来源：marvis_clone/index.html → class="WhyMarvisSection_sectionDesktop__fcVY0"
     ============================================================ */
/* ---- 滚动揭示 ---- */
#ai-tech-block .ScrollReveal_reveal__j2dA_{
    opacity:var(--reveal-opacity,0);
    transform:translateY(var(--reveal-y,40px));
    transition:opacity .8s cubic-bezier(.25,1,.5,1) var(--reveal-delay,0s),transform .8s cubic-bezier(.25,1,.5,1) var(--reveal-delay,0s)
  }
/* ---- 区块容器（桌面/移动共用） ---- */
#ai-tech-block .WhyMarvisSection_sectionDesktop__fcVY0, #ai-tech-block .WhyMarvisSection_sectionMobile__WFxsJ, #ai-tech-block .WhyMarvisSection_section__zDMlq{
    display:flex;flex-direction:column;align-items:center;width:100%;position:relative;padding:clamp(50px,6.81vw,98px) 0
  }
#ai-tech-block .WhyMarvisSection_sectionDesktop__fcVY0, #ai-tech-block .WhyMarvisSection_sectionMobile__WFxsJ{gap:clamp(30px,3.47vw,60px)}
#ai-tech-block .WhyMarvisSection_titleWrap__2TEax{display:flex;align-items:center;justify-content:center;height:clamp(22px,3.33vw,48px)}
#ai-tech-block .WhyMarvisSection_title__T4F3k{font-family:var(--font-ui);color:#111;white-space:nowrap;font-weight:700;font-size:clamp(20px,2.22vw,32px);line-height:1.47;margin:0}
/* ---- 桌面版 ---- */
#ai-tech-block .WhyMarvisSection_fullBlock__oBDwX{width:100%}
#ai-tech-block .WhyMarvisSection_desktopPadding__DHrSR{padding:0 clamp(24px,3.47vw,50px)}
#ai-tech-block .WhyMarvisSection_desktopCard__azlfh{position:relative;display:flex;align-items:center;justify-content:space-between;border-radius:clamp(16px,1.67vw,24px);width:100%;max-width:1440px;margin-left:auto;margin-right:auto;height:720px;padding:80px 50px;overflow:hidden}
#ai-tech-block .WhyMarvisSection_desktopBg__xgVmz{position:absolute;inset:0;width:100%;height:100%;-o-object-fit:cover;object-fit:cover;pointer-events:none}
#ai-tech-block .WhyMarvisSection_tagColumn__ObBlt{gap:34px;z-index:10;width:380px;flex-shrink:0}
#ai-tech-block .WhyMarvisSection_tagColumn__ObBlt, #ai-tech-block .WhyMarvisSection_tagItem__1Fdlf{display:flex;flex-direction:column;align-items:flex-start;position:relative}
#ai-tech-block .WhyMarvisSection_tagItem__1Fdlf{backdrop-filter:blur(30px);-webkit-backdrop-filter:blur(30px);padding:16px 24px;cursor:pointer;overflow:hidden;transform-origin:top left}
#ai-tech-block .WhyMarvisSection_tagItemLabel__EqUEO{font-family:var(--font-ui);color:#000;font-size:16px;white-space:nowrap;font-weight:500;pointer-events:none}
#ai-tech-block .WhyMarvisSection_tagItemLong__aO8J0{font-family:var(--font-ui);color:#333;font-size:14px;line-height:22px;font-weight:400;margin:0;max-width:332px;white-space:pre-line}
#ai-tech-block .WhyMarvisSection_videoArea__wuy25{flex:1 1;min-width:0;margin-left:50px;align-self:stretch;display:flex;align-items:center;position:relative;z-index:10;max-width:calc(100% - 430px)}
#ai-tech-block .WhyMarvisSection_videoBox__rjY4A{width:100%;border-radius:24px;max-height:100%;position:relative}
#ai-tech-block .WhyMarvisSection_videoBox__rjY4A:before{content:"";display:block;width:100%;padding-bottom:70.9071949948%}
#ai-tech-block .WhyMarvisSection_videoLayer__9drkC{border-radius:24px;overflow:hidden;position:relative}
#ai-tech-block .WhyMarvisSection_imgContain__sxJNq{-o-object-fit:contain;object-fit:contain;width:100%;height:100%;pointer-events:none}
/* ---- 移动版 ---- */
#ai-tech-block .WhyMarvisSection_card__bAWTd{position:relative;width:100%;margin-left:auto;margin-right:auto}
#ai-tech-block .WhyMarvisSection_carouselArea__SyAH4{width:100%;cursor:grab;-webkit-user-select:none;-moz-user-select:none;user-select:none;overflow:hidden;border-radius:clamp(16px,1.67vw,24px);background-size:cover;background-position:50%;position:relative}
#ai-tech-block .WhyMarvisSection_carouselArea__SyAH4:before{content:"";display:block;width:100%;padding-bottom:75.1461988304%}
#ai-tech-block .WhyMarvisSection_carouselViewport__DvKQU{position:absolute;inset:12px;border-radius:12px}
#ai-tech-block .WhyMarvisSection_slideImg__cfqyZ{border-radius:12px;overflow:hidden;position:relative}
#ai-tech-block .WhyMarvisSection_pageIndicator__W2LZu{position:absolute;bottom:12px;left:50%;transform:translateX(-50%);z-index:10;display:flex;align-items:center;gap:6px;padding:4px 10px;border-radius:16px}
#ai-tech-block .WhyMarvisSection_dot__d0T4V{position:relative;overflow:hidden;cursor:pointer}
#ai-tech-block .WhyMarvisSection_textArea__1UExK{position:relative;width:100%;height:100px;margin-top:16px}
#ai-tech-block .WhyMarvisSection_tagTitle__13xAD{font-family:var(--font-ui);color:#000;font-weight:500;font-size:15px;line-height:1.5}
#ai-tech-block .WhyMarvisSection_tagDesc__MKT1D{font-family:var(--font-ui);color:#333;font-weight:400;font-size:13px;line-height:1.5;margin-top:4px;white-space:pre-line}
/* 移动轮播：隐藏滚动条 + 滚动吸附（原站 Embla 的视觉等价实现） */
#ai-tech-block .WhyMarvisSection_carouselViewport__DvKQU[data-scroll-viewport]{
    overflow-x:auto;
    scroll-snap-type:x mandatory;
    scrollbar-width:none;
    -ms-overflow-style:none;
  }
#ai-tech-block .WhyMarvisSection_carouselViewport__DvKQU[data-scroll-viewport]::-webkit-scrollbar{display:none}
#ai-tech-block [data-scroll-viewport] > [data-mobile-track]{scroll-snap-type:x mandatory}
#ai-tech-block [data-mobile-track] > .WhyMarvisSection_slideImg__cfqyZ{scroll-snap-align:start}
/* ============================================================
     index2 专用：宿主容器（唯一新增/改动，可整体删掉不影响上面的原样式）
     ============================================================ */
#ai-tech-block .ot-why-host{margin-top:32px}
#ai-tech-block .ot-why-case{display:none}
#ai-tech-block .ot-why-case.is-active{display:block}
/* 卡片在 1200px 容器内等比缩高（原站为固定 720px） */
#ai-tech-block .ot-why-case .WhyMarvisSection_desktopCard__azlfh{
    height:clamp(440px,54vw,720px);
    padding:clamp(32px,4.2vw,80px) clamp(20px,3.2vw,50px)
  }
#ai-tech-block .ot-why-case .WhyMarvisSection_videoArea__wuy25{margin-left:0;max-width:100%}
/* 10-12：去掉左侧 tag 文字列，右侧图片区铺满整卡 */
#ai-tech-block .ot-why-case .WhyMarvisSection_tagColumn__ObBlt{display:none}
#ai-tech-block .ot-why-case .WhyMarvisSection_sectionDesktop__fcVY0, #ai-tech-block .ot-why-case .WhyMarvisSection_sectionMobile__WFxsJ{padding:0}
@media (max-width:760px){
#ai-tech-block .ot-why-host{margin-top:16px}
}
/* wall45-1013：「AI+美工设计」tab 45° 斜向循环墙（整卡铺满、纯展示、懒构建） */
#ai-tech-block .ot-wall45{position:absolute;inset:0;z-index:1;overflow:hidden;pointer-events:none}
#ai-tech-block .ot-wall45-rotor{position:absolute;left:50%;top:50%;display:flex;align-items:center;gap:var(--w45g,26px);transform:translate(-50%,-50%) rotate(45deg);will-change:transform}
#ai-tech-block .ot-wall45-col{display:flex;flex-direction:column;gap:var(--w45g,26px);flex:none;will-change:transform;animation:ot-wall45-drift linear infinite;animation-play-state:paused}
#ai-tech-block .ot-wall45-on .ot-wall45-col{animation-play-state:running}
@keyframes ot-wall45-drift{from{transform:translateY(0)}to{transform:translateY(var(--half-neg,-600px))}}
#ai-tech-block .ot-wall45-card{width:var(--w45t,190px);flex:none;border-radius:16px;overflow:hidden;background:#fff;box-shadow:0 24px 48px rgba(40,32,20,.2),0 8px 16px rgba(40,32,20,.1)}
#ai-tech-block .ot-wall45-card img{width:100%;height:100%;object-fit:cover;display:block}
@media (prefers-reduced-motion:reduce){#ai-tech-block .ot-wall45-col{animation:none}}
/* ============ cv-1016 v1：「AI+内容创作」tab —— 内容生成类「AI视频」展示复刻（7 分类 / 33 支案例 · 叠层轮播 + 大屏播放） ============ */
/* 视觉与交互取自 #portfolio-ai-video（styles/ai-video.css + scripts/ai-video.js），尺寸按 tab 卡（约 1000×560）重排 */
#ai-tech-block .ot-cv{--otcv-ink:#171817;--otcv-muted:#6f706c;--otcv-panel:#ebe8e0;--otcv-panel-deep:#dedbd2;--otcv-accent:#9aaa00;position:relative;z-index:10;width:100%;height:100%;display:flex;flex-direction:column;gap:clamp(8px,1vw,14px);min-height:0;color:var(--otcv-ink);font-family:var(--font-ui)}
#ai-tech-block .ot-cv[data-cv-active="effects"]{--otcv-accent:#dc6654}
#ai-tech-block .ot-cv[data-cv-active="story"]{--otcv-accent:#268f9c}
#ai-tech-block .ot-cv *,#ai-tech-block .ot-cv *::before,#ai-tech-block .ot-cv *::after{box-sizing:border-box}
/* ---- 顶部小标行 ---- */
#ai-tech-block .ot-cv-bar{flex:none;display:flex;align-items:baseline;justify-content:space-between;gap:14px;min-width:0}
#ai-tech-block .ot-cv-label{font:900 10px/1.3 ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:.14em;color:#268f9c;white-space:nowrap}
#ai-tech-block .ot-cv-meta{font:900 10px/1.3 ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:.08em;color:var(--otcv-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
/* ---- 分类胶囊（滑块指示，7 类单行） ---- */
#ai-tech-block .ot-cv-tabs{--otcv-n:7;--otcv-pos:0;position:relative;flex:none;display:flex;align-items:stretch;gap:4px;width:100%;border:1px solid rgba(23,24,23,.09);border-radius:999px;padding:5px;background:var(--otcv-panel-deep);box-shadow:inset 0 1px 0 rgba(255,255,255,.34),0 8px 20px rgba(23,24,23,.05)}
#ai-tech-block .ot-cv-tabs::before{position:absolute;z-index:0;top:5px;bottom:5px;left:5px;width:calc((100% - 10px - ((var(--otcv-n) - 1) * 4px)) / var(--otcv-n));border-radius:999px;background:var(--otcv-ink);box-shadow:0 3px 10px rgba(23,24,23,.18);content:"";pointer-events:none;transform:translateX(calc(var(--otcv-pos) * (100% + 4px)));transition:transform 420ms cubic-bezier(.22,.72,.2,1)}
#ai-tech-block .ot-cv-tab{position:relative;z-index:1;display:flex;min-width:0;min-height:34px;flex:1 1 0;align-items:center;justify-content:center;column-gap:7px;border:0;border-radius:999px;padding:6px 10px;color:var(--otcv-muted);background:transparent;cursor:pointer;font-family:inherit;font-size:12px;font-weight:700;line-height:1.2;transition:color .3s ease}
#ai-tech-block .ot-cv-tab:hover{color:var(--otcv-ink)}
#ai-tech-block .ot-cv-tab:focus-visible{outline:2px solid #268f9c;outline-offset:2px}
#ai-tech-block .ot-cv-tab.is-active{color:#f6f4ef}
#ai-tech-block .ot-cv-tab.is-active:hover{color:#f6f4ef}
#ai-tech-block .ot-cv-tab-name{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
#ai-tech-block .ot-cv-tab strong{flex:none;color:currentColor;font:900 10px/1 ui-monospace,SFMono-Regular,Consolas,monospace;opacity:.74}
#ai-tech-block .ot-cv-tab.is-active strong{color:var(--otcv-accent);opacity:1}
/* ---- 舞台（叠层轮播） ---- */
#ai-tech-block .ot-cv-stage{position:relative;flex:1 1 auto;min-height:0;touch-action:pan-y;user-select:none}
#ai-tech-block .ot-cv-track{position:absolute;inset:0}
#ai-tech-block .ot-cv-card{position:absolute;top:50%;left:50%;width:clamp(150px,15vw,206px);aspect-ratio:9 / 16;overflow:visible;border:0;border-radius:0;padding:0;background:transparent;cursor:pointer;transform-origin:center 55%;transition:transform 800ms cubic-bezier(.16,1,.3,1),opacity 520ms ease,filter 520ms ease;will-change:transform,opacity}
#ai-tech-block .ot-cv-poster{position:relative;display:block;width:100%;height:100%;overflow:hidden;border:1px solid rgba(23,24,23,.22);border-radius:14px;background:var(--otcv-panel-deep);box-shadow:0 20px 36px rgba(23,24,23,.18)}
#ai-tech-block .ot-cv-poster img{display:block;width:100%;height:100%;object-fit:cover;object-position:center;transition:filter .22s ease;user-select:none}
#ai-tech-block .ot-cv-card:hover .ot-cv-poster img,#ai-tech-block .ot-cv-card:focus-visible .ot-cv-poster img{filter:brightness(1.08)}
#ai-tech-block .ot-cv-card:focus-visible{outline:3px solid var(--otcv-accent);outline-offset:5px}
#ai-tech-block .ot-cv-play{position:absolute;top:50%;left:50%;display:grid;width:52px;height:52px;place-items:center;border:1px solid rgba(255,255,255,.84);border-radius:50%;color:var(--otcv-ink);background:rgba(246,247,243,.94);box-shadow:0 9px 30px rgba(0,0,0,.28);opacity:0;transform:translate(-50%,-50%) scale(.86);transition:opacity .21s ease,transform .26s ease,background-color .18s ease;pointer-events:none}
#ai-tech-block .ot-cv-play svg{display:block;width:20px;height:20px;margin-left:3px}
#ai-tech-block .ot-cv-card[data-pos="0"] .ot-cv-play,#ai-tech-block .ot-cv-card:hover .ot-cv-play,#ai-tech-block .ot-cv-card:focus-visible .ot-cv-play{opacity:1;transform:translate(-50%,-50%) scale(1)}
#ai-tech-block .ot-cv-card[data-pos="0"]:hover .ot-cv-play{background:var(--otcv-accent)}
#ai-tech-block .ot-cv-card[data-pos="hidden"]{z-index:0;opacity:0;transform:translate(0,-40%) scale(.4);pointer-events:none}
#ai-tech-block .ot-cv-card[data-pos="-3"]{z-index:1;opacity:0;transform:translate(-286%,-40%) scale(.52) rotate(-12deg);pointer-events:none}
#ai-tech-block .ot-cv-card[data-pos="-2"]{z-index:2;opacity:.34;transform:translate(-205%,-46%) scale(.66) rotate(-9deg);filter:saturate(.6) brightness(.72);pointer-events:auto}
#ai-tech-block .ot-cv-card[data-pos="-1"]{z-index:4;opacity:.75;transform:translate(-132%,-48%) scale(.84) rotate(-5deg);filter:saturate(.82) brightness(.86);pointer-events:auto}
#ai-tech-block .ot-cv-card[data-pos="0"]{z-index:7;opacity:1;transform:translate(-50%,-50%) scale(1) rotate(0);filter:none;pointer-events:auto}
#ai-tech-block .ot-cv-card[data-pos="1"]{z-index:4;opacity:.75;transform:translate(32%,-48%) scale(.84) rotate(5deg);filter:saturate(.82) brightness(.86);pointer-events:auto}
#ai-tech-block .ot-cv-card[data-pos="2"]{z-index:2;opacity:.34;transform:translate(105%,-46%) scale(.66) rotate(9deg);filter:saturate(.6) brightness(.72);pointer-events:auto}
#ai-tech-block .ot-cv-card[data-pos="3"]{z-index:1;opacity:0;transform:translate(186%,-40%) scale(.52) rotate(12deg);pointer-events:none}
#ai-tech-block .ot-cv-status{position:absolute;z-index:8;left:50%;bottom:0;display:flex;align-items:center;gap:12px;color:var(--otcv-ink);font:900 11px/1.3 ui-monospace,SFMono-Regular,Consolas,monospace;transform:translateX(-50%);white-space:nowrap}
#ai-tech-block .ot-cv-cat{color:var(--otcv-muted);font-family:var(--font-ui);font-weight:700}
#ai-tech-block .ot-cv-arrow{position:absolute;z-index:9;top:50%;display:grid;width:40px;height:40px;place-items:center;border:1px solid rgba(23,24,23,.16);border-radius:50%;color:var(--otcv-ink);background:rgba(255,255,255,.52);cursor:pointer;padding:0;transform:translateY(-50%);transition:color .18s ease,background-color .18s ease,transform .18s ease}
#ai-tech-block .ot-cv-arrow:hover,#ai-tech-block .ot-cv-arrow:focus-visible{background:var(--otcv-panel);outline:none;transform:translateY(-50%) scale(1.08)}
#ai-tech-block .ot-cv-arrow svg{display:block;width:18px;height:18px}
#ai-tech-block .ot-cv-arrow-l{left:2px}
#ai-tech-block .ot-cv-arrow-r{right:2px}
/* ---- 大屏播放（body 级，禁下载） ---- */
.ot-cv-lb{position:fixed;inset:0;z-index:99999;display:flex;align-items:center;justify-content:center;padding:28px;background:rgba(7,8,11,.8);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);opacity:0;transition:opacity .28s ease}
.ot-cv-lb.show{opacity:1}
.ot-cv-lb-box{position:relative;display:grid;grid-template-columns:minmax(0,1.55fr) minmax(280px,.95fr);width:min(1120px,100%);max-height:calc(100dvh - 56px);overflow:hidden;border:1px solid #45474a;border-radius:20px;background:#25282d;box-shadow:0 40px 120px rgba(0,0,0,.6);transform:translateY(16px) scale(.985);transition:transform .28s cubic-bezier(.16,1,.3,1)}
.ot-cv-lb.show .ot-cv-lb-box{transform:translateY(0) scale(1)}
.ot-cv-lb-media{position:relative;display:grid;min-height:min(560px,calc(100dvh - 56px));place-items:center;overflow:hidden;background:#090a0a}
.ot-cv-lb-media video{display:block;width:100%;height:100%;max-height:calc(100dvh - 56px);object-fit:contain;background:#000;outline:none}
.ot-cv-lb-info{display:flex;min-width:0;flex-direction:column;justify-content:center;padding:clamp(24px,3.4vw,48px);border-left:1px solid #45474a;color:#f8f4ec;overflow-y:auto}
.ot-cv-lb-kicker{margin:0;color:#e7a15b;font:900 10px/1.35 ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:.08em}
.ot-cv-lb-count{display:block;margin-top:12px;color:#e7a15b;font:900 11px/1 ui-monospace,SFMono-Regular,Consolas,monospace}
.ot-cv-lb-title{margin:14px 0 0;color:#f8f4ec;font-size:clamp(20px,2.1vw,30px);font-weight:900;line-height:1.25}
.ot-cv-lb-cat{margin:12px 0 0;color:#c9c6be;font-size:12.5px;font-weight:700}
.ot-cv-lb-sum{margin:14px 0 0;color:#b8b5ad;font-size:12.5px;line-height:1.75}
.ot-cv-lb-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:16px}
.ot-cv-lb-tags span{border:1px solid #4a4d51;border-radius:999px;padding:4px 10px;color:#d8d5cd;font-size:11px;font-weight:700}
.ot-cv-lb-role{margin:16px 0 0;color:#8e8b84;font-size:11.5px;letter-spacing:.02em}
.ot-cv-lb-x{position:absolute;z-index:4;top:10px;right:11px;display:grid;width:36px;height:36px;place-items:center;border:0;border-radius:50%;color:#fff;background:#3b3e42;cursor:pointer;padding:0;transition:background-color .18s ease,transform .18s ease}
.ot-cv-lb-x:hover,.ot-cv-lb-x:focus-visible{background:#e7a15b;outline:none;transform:rotate(90deg)}
.ot-cv-lb-x svg{display:block;width:16px;height:16px}
/* ---- 窄桌面（≤1400px）：胶囊收紧字号，保证「人物角色设计」等长名不省略 ---- */
@media (max-width:1400px){
#ai-tech-block .ot-cv-tab{font-size:11px;column-gap:5px;padding:6px 7px}
#ai-tech-block .ot-cv-tab strong{font-size:9px}
}
/* ---- 移动版（≤1015px） ---- */
@media (max-width:1015px){
#ai-tech-block .ot-cv-m{height:auto;gap:10px}
#ai-tech-block .ot-cv-m .ot-cv-bar{gap:8px}
#ai-tech-block .ot-cv-m .ot-cv-meta{display:none}
#ai-tech-block .ot-cv-m .ot-cv-tabs{flex-wrap:wrap;border-radius:18px;padding:6px}
#ai-tech-block .ot-cv-m .ot-cv-tabs::before{display:none}
#ai-tech-block .ot-cv-m .ot-cv-tab{flex:0 0 auto;min-height:28px;column-gap:5px;border:1px solid rgba(23,24,23,.12);border-radius:999px;padding:4px 10px;background:rgba(255,255,255,.5);font-size:11.5px}
#ai-tech-block .ot-cv-m .ot-cv-tab strong{font-size:9px}
#ai-tech-block .ot-cv-m .ot-cv-tab.is-active{color:#f6f4ef;background:var(--otcv-ink);border-color:var(--otcv-ink)}
#ai-tech-block .ot-cv-m .ot-cv-stage{flex:none;height:clamp(330px,84vw,440px)}
#ai-tech-block .ot-cv-m .ot-cv-card{width:clamp(126px,32vw,180px)}
#ai-tech-block .ot-cv-m .ot-cv-play{width:44px;height:44px}
#ai-tech-block .ot-cv-m .ot-cv-arrow{width:34px;height:34px}
.ot-cv-lb{padding:14px}
.ot-cv-lb-box{grid-template-columns:minmax(0,1fr);max-height:calc(100dvh - 28px);overflow-y:auto}
.ot-cv-lb-media{min-height:0;height:min(58vh,420px)}
.ot-cv-lb-media video{max-height:min(58vh,420px)}
.ot-cv-lb-info{border-left:0;border-top:1px solid #45474a;padding:20px}
}
            /* ============ mkt-1016 v1：「AI+运营推广」tab —— 4 场景动效（对比监控/自动发布 A 版 + 评论区监控维护/运营数据抓取 B 版）
     按钮切换 + 25s 自动轮播；CSS 由 hjtmp/mkt_inline_1016/build_mkt.py 从两份 demo scope 化生成，勿手改 ============ */
  #ai-tech-block .ot-mkt{position:relative;z-index:10;width:100%;height:100%;display:flex;flex-direction:column;gap:6px;min-height:0}
  #ai-tech-block .ot-mkt:not(.ot-mkt-m) .ot-mkt-bar{margin-top:-26px}
  #ai-tech-block .ot-mkt:not(.ot-mkt-m) .ot-mkt-foot{margin-bottom:-26px}
  #ai-tech-block .ot-mkt-bar{display:flex;align-items:center;justify-content:center;gap:8px;flex:none;flex-wrap:wrap}
  #ai-tech-block .ot-mkt-btn{position:relative;display:inline-flex;align-items:baseline;gap:7px;font-family:inherit;font-size:12px;font-weight:600;color:#8a8069;background:rgba(255,255,255,.66);border:1px solid rgba(28,23,18,.1);border-radius:999px;padding:6px 15px;cursor:pointer;transition:background-color .3s,color .3s,box-shadow .3s,transform .3s,border-color .3s}
  #ai-tech-block .ot-mkt-btn i{font-style:italic;font-weight:800;font-size:10.5px;color:#c9ab68;letter-spacing:.5px;transition:color .3s}
  #ai-tech-block .ot-mkt-btn:hover{color:#171310;border-color:rgba(28,23,18,.2)}
  #ai-tech-block .ot-mkt-btn.is-on{background:#fff;border-color:#c9ab68;color:#171310;box-shadow:0 4px 14px rgba(165,132,60,.16);transform:translateY(-1px)}
  #ai-tech-block .ot-mkt-foot{display:flex;align-items:center;justify-content:center;flex:none}
  #ai-tech-block .ot-mkt-status{display:inline-flex;align-items:center;gap:7px;font:800 11px/1 ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:.08em;color:#6f706c;background:rgba(255,255,255,.66);border:1px solid rgba(28,23,18,.1);border-radius:999px;padding:6px 13px;transition:.35s;white-space:nowrap}
  #ai-tech-block .ot-mkt-status i{width:7px;height:7px;border-radius:50%;background:#9b9891;transition:background-color .35s;flex:none}
  #ai-tech-block .ot-mkt-status.on{color:#171817;border-color:rgba(28,23,18,.22)}
  #ai-tech-block .ot-mkt-status.on i{background:var(--mkt-ac,#9aaa00);animation:mk-chipPulse .8s ease-in-out infinite}
  #ai-tech-block .ot-mkt-view{flex:1 1 auto;min-height:0;position:relative;overflow:hidden}
  #ai-tech-block .ot-mkt-inst{position:absolute;inset:0;
    --ink:#171817;--muted:#6f706c;--faint:#9b9891;
    --panel:#ebe8e0;--panel-deep:#dedbd2;--surface:#f6f4ef;
    --line:rgba(23,24,23,.09);--line2:rgba(23,24,23,.16);--line3:rgba(23,24,23,.24);
    --olive:#9aaa00;--coral:#dc6654;--teal:#268f9c;--amber:#e7a15b;
    --mono:ui-monospace,SFMono-Regular,Consolas,monospace;
    --sans:"Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
    font-family:var(--sans);color:var(--ink);-webkit-font-smoothing:antialiased}
  #ai-tech-block .ot-mkt-inst *,#ai-tech-block .ot-mkt-inst *::before,#ai-tech-block .ot-mkt-inst *::after{margin:0;padding:0;box-sizing:border-box}
  #ai-tech-block .mk-slide{position:absolute;inset:0;display:none;overflow:hidden}
  #ai-tech-block .mk-slide.is-on{display:block}
  #ai-tech-block .mk-fit{position:absolute;inset:0}
  #ai-tech-block .mk-stage{position:absolute;left:50%;top:50%;width:960px;height:720px;transform-origin:center}
  #ai-tech-block .mk-stage > *{position:absolute}
  #ai-tech-block .ot-mkt [data-mks="1"]{--ac:var(--teal)}
  #ai-tech-block .ot-mkt [data-mks="2"]{--ac:var(--olive)}
  #ai-tech-block .ot-mkt [data-mks="3"]{--ac:var(--coral)}
  #ai-tech-block .ot-mkt [data-mks="4"]{--ac:var(--amber)}
  /* 移动版（≤1015px） */
  #ai-tech-block .ot-mkt.ot-mkt-m{height:auto;gap:8px}
  #ai-tech-block .ot-mkt.ot-mkt-m .ot-mkt-view{height:clamp(300px,74vw,440px);flex:none}
  /* reduced-motion：静态呈现关键终态 */
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    background:rgba(23,24,23,.025);box-shadow:inset 0 0 0 1px rgba(23,24,23,.07)}#ai-tech-block .ot-mkt [data-mks="3"] .bin .bhead{display:flex;align-items:center;justify-content:space-between}#ai-tech-block .ot-mkt [data-mks="3"] .bin .bname{font:900 11.5px/1.4 var(--mono);letter-spacing:.1em;color:var(--muted)}#ai-tech-block .ot-mkt [data-mks="3"] .bin .bnum{font:900 15px/1 var(--mono);color:var(--faint);font-variant-numeric:tabular-nums;transition:.3s}#ai-tech-block .ot-mkt [data-mks="3"] .bin.b-neg .bname{color:var(--ink)}#ai-tech-block .ot-mkt [data-mks="3"] .bin.b-pos .bname{color:#b1412f}#ai-tech-block .ot-mkt [data-mks="3"] .bin.b-pos .bnum, #ai-tech-block .ot-mkt [data-mks="3"] .bin.b-rep .bnum{color:var(--ac)}#ai-tech-block .ot-mkt [data-mks="3"] .bin.hot .bnum{animation:mk-numPop .45s cubic-bezier(.34,1.56,.64,1)}
  @keyframes mk-numPop{0%{transform:scale(1)}50%{transform:scale(1.25)}100%{transform:scale(1)}}#ai-tech-block .ot-mkt [data-mks="3"] .cempty{position:absolute;left:88px;right:88px;top:150px;display:flex;align-items:center;justify-content:center;gap:9px;
    font:900 12px/1.4 var(--mono);letter-spacing:.14em;color:var(--faint);opacity:0;transition:opacity .5s;z-index:1}#ai-tech-block .ot-mkt [data-mks="3"] .cempty i{width:6px;height:6px;border-radius:50%;background:var(--faint)}#ai-tech-block .ot-mkt [data-mks="3"].p-done .cempty{opacity:1}#ai-tech-block .ot-mkt [data-mks="3"].fadeout .cmt, #ai-tech-block .ot-mkt [data-mks="3"].fadeout .gate3, #ai-tech-block .ot-mkt [data-mks="3"].fadeout .bin{opacity:0;transition:opacity .55s ease}
#ai-tech-block .ot-mkt [data-mks="4"] .src{left:56px;width:250px;height:128px;border-radius:20px;padding:17px 18px;z-index:2;
    background:linear-gradient(165deg,#fbfaf7,#f1efe9);
    box-shadow:0 0 0 1px rgba(23,24,23,.09), 0 18px 36px -24px rgba(23,24,23,.4), inset 0 1px 0 #fff}#ai-tech-block .ot-mkt [data-mks="4"] .src .srow{display:flex;align-items:center;gap:9px}#ai-tech-block .ot-mkt [data-mks="4"] .src .sdot{width:9px;height:9px;border-radius:50%;background:#171817;flex:none;
    box-shadow:0 0 0 3px rgba(23,24,23,.08)}#ai-tech-block .ot-mkt [data-mks="4"] .src .sname{font-size:14px;font-weight:800;color:var(--ink)}#ai-tech-block .ot-mkt [data-mks="4"] .src .sst{position:relative;margin-left:auto;width:46px;height:13px;font:900 11px/1.4 var(--mono);
    letter-spacing:.06em;text-align:right}#ai-tech-block .ot-mkt [data-mks="4"] .src .sst .w, #ai-tech-block .ot-mkt [data-mks="4"] .src .sst .d{position:absolute;right:0;top:0}#ai-tech-block .ot-mkt [data-mks="4"] .src .sst .w{color:var(--faint)}#ai-tech-block .ot-mkt [data-mks="4"] .src .sst .d{color:var(--ac);opacity:0}#ai-tech-block .ot-mkt [data-mks="4"].p-fetch .src .sst .d{animation:mk-fadeIn .3s ease calc(.5s + var(--i)*1.4s) both}#ai-tech-block .ot-mkt [data-mks="4"].p-fetch .src .sst .w{animation:mk-fadeOut .3s ease calc(.5s + var(--i)*1.4s) both}#ai-tech-block .ot-mkt [data-mks="4"].p-fetch .src .sdot{animation:mk-dotPulse 1.1s ease-in-out calc(var(--i)*1.4s) infinite}
  @keyframes mk-dotPulse{0%,100%{transform:scale(1)}50%{transform:scale(1.35)}}#ai-tech-block .ot-mkt [data-mks="4"] .src .snum{margin-top:12px;font:900 11.5px/1.4 var(--mono);letter-spacing:.05em;color:var(--muted)}#ai-tech-block .ot-mkt [data-mks="4"] .src .sbar4{margin-top:12px;height:6px;border-radius:3px;background:rgba(23,24,23,.07);overflow:hidden}#ai-tech-block .ot-mkt [data-mks="4"] .src .sbar4 i{display:block;height:100%;border-radius:3px;transform:scaleX(0);transform-origin:left;
    background:linear-gradient(90deg,#f0c48c,#e7a15b)}#ai-tech-block .ot-mkt [data-mks="4"].p-fetch .src .sbar4 i{animation:mk-sbarFill .8s cubic-bezier(.3,.7,.4,1) calc(.5s + var(--i)*1.4s) forwards}
  @keyframes mk-sbarFill{to{transform:scaleX(1)}}#ai-tech-block .ot-mkt [data-mks="4"] .flows{left:0;top:0;width:960px;height:720px;pointer-events:none;z-index:1}#ai-tech-block .ot-mkt [data-mks="4"] .fl{fill:none;stroke:var(--ac);stroke-width:1.8;stroke-dasharray:3 9;opacity:.12;transition:opacity .5s;
    animation:mk-marchT 1.5s linear infinite}#ai-tech-block .ot-mkt [data-mks="4"].p-fetch .fl{opacity:.55}#ai-tech-block .ot-mkt [data-mks="4"].p-stamp .fl{opacity:.25}#ai-tech-block .ot-mkt [data-mks="4"] .fdot{fill:var(--ac);opacity:0;transition:opacity .5s}#ai-tech-block .ot-mkt [data-mks="4"].p-fetch .fdot{opacity:1}#ai-tech-block .ot-mkt [data-mks="4"].p-stamp .fdot{opacity:0}#ai-tech-block .ot-mkt [data-mks="4"] .report{left:440px;top:84px;width:460px;height:530px;border-radius:24px;padding:24px 26px;z-index:2;
    background:linear-gradient(168deg,rgba(255,255,255,.98),rgba(242,240,235,.95));
    box-shadow:0 0 0 1px rgba(23,24,23,.09), 0 26px 50px -30px rgba(23,24,23,.44), inset 0 1px 0 #fff}#ai-tech-block .ot-mkt [data-mks="4"] .rhead{display:flex;align-items:baseline;gap:12px}#ai-tech-block .ot-mkt [data-mks="4"] .rhead b{font-size:16.5px;font-weight:900;color:var(--ink)}#ai-tech-block .ot-mkt [data-mks="4"] .rhead .rdate{font:900 11.5px/1.4 var(--mono);letter-spacing:.1em;color:var(--faint)}#ai-tech-block .ot-mkt [data-mks="4"] .rhead .rstate{margin-left:auto;display:inline-flex;align-items:center;gap:6px;
    font:900 11.5px/1.4 var(--mono);letter-spacing:.06em;color:var(--faint)}#ai-tech-block .ot-mkt [data-mks="4"] .rhead .rstate i{width:6px;height:6px;border-radius:50%;background:var(--faint);transition:.35s}#ai-tech-block .ot-mkt [data-mks="4"].p-chart .rhead .rstate i{background:var(--ac);animation:mk-chipPulse .9s ease-in-out infinite}#ai-tech-block .ot-mkt [data-mks="4"].p-stamp .rhead .rstate i{background:var(--ac);animation:none}#ai-tech-block .ot-mkt [data-mks="4"] .rdiv{height:1px;background:rgba(23,24,23,.08);margin:13px 0 4px}#ai-tech-block .ot-mkt [data-mks="4"] .krow{display:flex;justify-content:space-between;align-items:center;height:46px;
    border-radius:10px;padding:0 10px;margin:0 -10px;transition:background .45s}#ai-tech-block .ot-mkt [data-mks="4"] .krow.hot{background:rgba(231,161,91,.1)}#ai-tech-block .ot-mkt [data-mks="4"] .krow > span{font:900 12px/1.4 var(--mono);letter-spacing:.12em;color:var(--muted)}#ai-tech-block .ot-mkt [data-mks="4"] .krow b{font-size:23px;font-weight:900;color:var(--ac);letter-spacing:.01em;
    font-variant-numeric:tabular-nums;line-height:1}#ai-tech-block .ot-mkt [data-mks="4"] .krow b em{font-style:normal;font-size:12px;font-weight:700;color:var(--faint);margin-left:3px}#ai-tech-block .ot-mkt [data-mks="4"] .clab{font:900 11.5px/1.4 var(--mono);letter-spacing:.16em;color:var(--faint);margin:16px 0 10px}#ai-tech-block .ot-mkt [data-mks="4"] .cbox{position:relative;height:150px}#ai-tech-block .ot-mkt [data-mks="4"] .cbox::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:rgba(23,24,23,.1)}#ai-tech-block .ot-mkt [data-mks="4"] .cbars{position:absolute;left:0;right:0;top:0;bottom:0;display:flex;align-items:flex-end;gap:9px}#ai-tech-block .ot-mkt [data-mks="4"] .cbars i{flex:1;border-radius:6px 6px 3px 3px;background:linear-gradient(180deg,#e2dfd7,#cfccc4);
    transform-origin:bottom;transform:scaleY(.16);opacity:.5}#ai-tech-block .ot-mkt [data-mks="4"] .cbars i:nth-child(1){height:34%}#ai-tech-block .ot-mkt [data-mks="4"] .cbars i:nth-child(2){height:52%}#ai-tech-block .ot-mkt [data-mks="4"] .cbars i:nth-child(3){height:44%}#ai-tech-block .ot-mkt [data-mks="4"] .cbars i:nth-child(4){height:64%}#ai-tech-block .ot-mkt [data-mks="4"] .cbars i:nth-child(5){height:56%}#ai-tech-block .ot-mkt [data-mks="4"] .cbars i:nth-child(6){height:78%}#ai-tech-block .ot-mkt [data-mks="4"] .cbars i:nth-child(7){height:100%;background:linear-gradient(180deg,#f0c48c,#e7a15b)}#ai-tech-block .ot-mkt [data-mks="4"].p-chart .cbars i{animation:mk-barUp .6s cubic-bezier(.22,1,.36,1) calc(.15s + .13s*var(--n)) forwards}
  @keyframes mk-barUp{from{transform:scaleY(.16);opacity:.5}to{transform:scaleY(1);opacity:1}}#ai-tech-block .ot-mkt [data-mks="4"] .cline{position:absolute;left:6px;right:6px;top:0;bottom:14px;width:auto;height:auto}#ai-tech-block .ot-mkt [data-mks="4"] .cline polyline{fill:none;stroke:var(--ac);stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;
    stroke-dasharray:420;stroke-dashoffset:420}#ai-tech-block .ot-mkt [data-mks="4"].p-chart .cline polyline{animation:mk-lineDraw 1.2s ease 1.15s forwards}
  @keyframes mk-lineDraw{to{stroke-dashoffset:0}}#ai-tech-block .ot-mkt [data-mks="4"] .dfoot{margin-top:16px;padding-top:13px;border-top:1px solid rgba(23,24,23,.08);
    font:900 11.5px/1.4 var(--mono);letter-spacing:.12em;color:var(--faint)}#ai-tech-block .ot-mkt [data-mks="4"] .stamp{position:absolute;right:22px;bottom:22px;display:inline-flex;align-items:center;gap:8px;z-index:3;
    height:40px;padding:0 17px;border-radius:13px;background:linear-gradient(160deg,#2e2f2c,#171817 62%);
    color:#fff;font:900 13px/1 var(--mono);letter-spacing:.06em;
    box-shadow:0 18px 34px -16px rgba(23,24,23,.65);opacity:0;transform:rotate(-8deg) scale(2.1)}#ai-tech-block .ot-mkt [data-mks="4"] .stamp svg{width:13px;height:13px;stroke:#fff;stroke-width:3.2;fill:none;stroke-linecap:round;stroke-linejoin:round}#ai-tech-block .ot-mkt [data-mks="4"] .stamp i{font-style:normal;opacity:.6;margin-left:2px}#ai-tech-block .ot-mkt [data-mks="4"].p-stamp .stamp{animation:mk-stampIn .55s cubic-bezier(.2,1.3,.4,1) both}
  @keyframes mk-stampIn{0%{opacity:0;transform:rotate(-18deg) scale(2.3)}
    55%{opacity:1;transform:rotate(-5deg) scale(.94)}
    100%{opacity:1;transform:rotate(-8deg) scale(1)}}#ai-tech-block .ot-mkt [data-mks="4"] .stamp::after{content:"";position:absolute;inset:-5px;border-radius:16px;opacity:0;
    box-shadow:0 0 0 2px rgba(231,161,91,.55)}#ai-tech-block .ot-mkt [data-mks="4"].p-stamp .stamp::after{animation:mk-ringOut2 .8s ease .2s both}
  @keyframes mk-ringOut2{0%{opacity:.85;transform:scale(.8)}100%{opacity:0;transform:scale(1.25)}}#ai-tech-block .ot-mkt [data-mks="4"].fadeout .src, #ai-tech-block .ot-mkt [data-mks="4"].fadeout .flows, #ai-tech-block .ot-mkt [data-mks="4"].fadeout .report{opacity:0;transition:opacity .55s ease}
/* ==== devcase-1018 css v2：「AI+开发」tab —— 两个可切换的开发案例（CASE 01 LinkDesk / CASE 02 安信中医官网） ==== */
/* 设计画布 1000×586，等比缩放进卡片内容区；配色取自站点 --ot-*（纸白 #fbfbf9 / 茶金 #ae8539） */
#ai-tech-block .ot-dev{
  --dc-ink:#14110c;
  --dc-ink2:rgba(20,17,12,.56);
  --dc-ink3:rgba(20,17,12,.34);
  --dc-gold:#a9823c;
  --dc-gold2:#d3ab63;
  --dc-line:rgba(20,17,12,.10);
  --ui:"PingFang SC","Helvetica Neue",Arial,"Microsoft YaHei",sans-serif;
  position:relative;align-self:stretch;width:100%;height:100%;min-height:0;overflow:hidden;
  display:flex;flex-direction:column;
  font-family:var(--ui);color:var(--dc-ink);-webkit-font-smoothing:antialiased;
}
#ai-tech-block .ot-dev *,#ai-tech-block .ot-dev *::before,#ai-tech-block .ot-dev *::after{box-sizing:border-box}

/* ---- 案例切换菜单（样式对齐「AI+知识库」的子菜单按钮） ---- */
/* 上面留 3px：激活态 translateY(-1px) 时不会被 .ot-dev 的 overflow:hidden 削掉顶边框 */
#ai-tech-block .dc-bar{position:relative;z-index:12;flex:none;display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap;padding:3px 0 10px}
#ai-tech-block .dc-btn{
  position:relative;display:inline-flex;align-items:baseline;gap:7px;font-family:inherit;
  font-size:12.5px;font-weight:600;color:#8a8069;background:rgba(255,255,255,.66);
  border:1px solid rgba(28,23,18,.1);border-radius:999px;padding:7px 16px;cursor:pointer;
  transition:background-color .3s,color .3s,box-shadow .3s,transform .3s,border-color .3s;
  -webkit-appearance:none;appearance:none;
}
#ai-tech-block .dc-btn i{font-style:italic;font-weight:800;font-size:11px;color:#c9ab68;letter-spacing:.5px;transition:color .3s}
#ai-tech-block .dc-btn:not(.is-on):hover{color:#4a4232;border-color:rgba(185,154,82,.4);background:rgba(255,255,255,.85)}
#ai-tech-block .dc-btn.is-on{background:#fff;border-color:#c9ab68;color:#171310;box-shadow:0 4px 14px rgba(165,132,60,.16);transform:translateY(-1px)}
#ai-tech-block .dc-btn.is-on i{color:#b99a52}
#ai-tech-block .dc-btn:focus-visible{outline:2px solid #c9ab68;outline-offset:3px}

/* 视图容器：两个案例叠在这里，只显示当前那个 */
#ai-tech-block .dc-view{position:relative;flex:1 1 auto;min-height:0}
#ai-tech-block .dc-case{display:none;position:absolute;inset:0}
/* 入场直接显示，不做淡入（10-19 用户：不需要入场渐变动画） */
#ai-tech-block .dc-case.is-on{display:block}

#ai-tech-block .ot-dev-canvas{
  position:absolute;left:50%;top:50%;width:1100px;height:600px;
  margin:-300px 0 0 -550px;transform-origin:center center;
}

/* ---- 左：文案 ---- */
#ai-tech-block .dc-copy{position:absolute;left:0;top:0;width:268px;height:100%;display:flex;flex-direction:column;justify-content:center}
#ai-tech-block .dc-logo{display:flex;align-items:center;gap:9px;margin-bottom:16px}
#ai-tech-block .dc-mark{
  width:22px;height:22px;border-radius:7px;background:#171410;color:#fbf7ee;
  display:grid;place-items:center;font:700 14px/1 "Times New Roman",Georgia,serif;padding-bottom:1px;
  box-shadow:0 6px 14px -5px rgba(23,20,16,.55);
}
#ai-tech-block .dc-word{font-size:15px;font-weight:600;letter-spacing:-.01em}
#ai-tech-block .dc-h1{
  margin:0 0 14px;font-size:30px;line-height:1.31;font-weight:600;letter-spacing:-.02em;white-space:nowrap;
}
#ai-tech-block .dc-h1 span{display:block}
#ai-tech-block .dc-h1 i{
  font-style:normal;
  background:linear-gradient(94deg,#a9823c 0%,#c39b52 55%,#dcb877 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
#ai-tech-block .dc-rule{width:42px;height:2px;border-radius:2px;background:linear-gradient(90deg,#c9ad7c,rgba(201,173,124,0));margin-bottom:13px}
#ai-tech-block .dc-lede{margin:0 0 20px;font-size:11px;line-height:1.9;color:var(--dc-ink2);max-width:250px}
#ai-tech-block .dc-feats{list-style:none;margin:0;padding:0;display:grid;gap:15px}
#ai-tech-block .dc-feat{display:grid;grid-template-columns:26px 1fr;gap:9px;align-items:start}
#ai-tech-block .dc-ico{
  width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.6);
}
#ai-tech-block .dc-ico svg{width:14px;height:14px}
#ai-tech-block .dc-ico.a{background:#f2e8d3;color:#96702f}
#ai-tech-block .dc-ico.b{background:#e8eee2;color:#5a7150}
#ai-tech-block .dc-ico.c{background:#f0e7db;color:#8a6540}
#ai-tech-block .dc-feat h3{margin:1px 0 2px;font-size:11px;font-weight:600;letter-spacing:.005em}
#ai-tech-block .dc-feat p{margin:0;font-size:9.5px;line-height:1.62;color:rgba(20,17,12,.5)}
#ai-tech-block .dc-meta{
  display:flex;align-items:center;gap:6px;margin-top:26px;
  font-size:8px;letter-spacing:.14em;color:var(--dc-ink3);text-transform:uppercase;
}
#ai-tech-block .dc-meta i{width:2px;height:2px;border-radius:50%;background:rgba(20,17,12,.24)}

/* ---- 右：双窗舞台 ---- */
#ai-tech-block .dc-stage{
  position:absolute;left:286px;top:0;width:814px;height:600px;overflow:hidden;
  -webkit-mask-image:linear-gradient(to bottom,#000 89%,rgba(0,0,0,.5) 95.5%,rgba(0,0,0,0) 100%);
  mask-image:linear-gradient(to bottom,#000 89%,rgba(0,0,0,.5) 95.5%,rgba(0,0,0,0) 100%);
}
#ai-tech-block .dc-box{
  position:absolute;left:0;top:0;width:920px;height:600px;
  transform-origin:0 0;
}
#ai-tech-block .dc-win{position:absolute;transform-origin:50% 50%}
#ai-tech-block .dc-win.back{z-index:1}
#ai-tech-block .dc-win.front{z-index:3}

#ai-tech-block .dc-win .app{
  box-shadow:
    0 2px 4px rgba(40,30,16,.06),
    0 16px 30px -14px rgba(40,30,16,.20),
    0 38px 66px -34px rgba(40,30,16,.26);
}
#ai-tech-block .dc-win.front .app{
  box-shadow:
    0 2px 4px rgba(40,30,16,.06),
    0 16px 30px -14px rgba(40,30,16,.20),
    0 38px 66px -34px rgba(40,30,16,.26);
}
#ai-tech-block .dc-win.back .app{
  box-shadow:
    0 2px 6px rgba(16,12,6,.18),
    0 18px 34px -16px rgba(16,12,6,.30),
    0 42px 76px -40px rgba(16,12,6,.36);
}
#ai-tech-block .dc-win .app.refl{
  position:absolute;left:0;top:100%;width:100%;height:100%;
  transform:scaleY(-1);transform-origin:center;pointer-events:none;
  opacity:.5;filter:blur(3px) brightness(.93) saturate(.86);
  -webkit-mask-image:linear-gradient(to bottom,rgba(0,0,0,0) 0%,rgba(0,0,0,0) 58%,rgba(0,0,0,.10) 72%,rgba(0,0,0,.34) 88%,rgba(0,0,0,.55) 100%);
  mask-image:linear-gradient(to bottom,rgba(0,0,0,0) 0%,rgba(0,0,0,0) 58%,rgba(0,0,0,.10) 72%,rgba(0,0,0,.34) 88%,rgba(0,0,0,.55) 100%);
}

/* ============================================================
   应用界面（纸白 / 墨金两套主题，同一套结构）
   ============================================================ */
#ai-tech-block .ot-dev .app{
  position:relative;width:100%;height:100%;display:flex;flex-direction:column;overflow:hidden;
  border-radius:12px;border:1px solid var(--edge);background:var(--bg);color:var(--t1);
  font-family:var(--ui);font-size:11px;line-height:1.45;font-feature-settings:"tnum" 1;

  --bg:#fffdfa;--bg-2:#faf7f0;
  --edge:#e8e2d5;--line:#f0ece2;
  --t1:#17140f;--t2:#5f594d;--t3:#9c968a;
  --brand:#a9823c;--brand-2:#eddfc2;--brand-3:#f8f2e4;--soft:#faf6ec;
  --warn:#b0703d;--chip:#f4f0e6;
}
#ai-tech-block .ot-dev .app.dark{
  --bg:#16140f;--bg-2:#1b1813;
  --edge:#2d2921;--line:#26221b;
  --t1:#eee8da;--t2:#a29a8a;--t3:#746d60;
  --brand:#d6ae69;--brand-2:#3b3222;--brand-3:#272217;--soft:#1e1c16;
  --warn:#d0935d;--chip:#231f18;
}

/* 顶栏 */
#ai-tech-block .ot-dev .bar{flex:none;height:40px;padding:0 12px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:var(--bg)}
#ai-tech-block .ot-dev .brand{display:flex;align-items:center;gap:7px}
#ai-tech-block .ot-dev .bmark{
  width:20px;height:20px;border-radius:6px;background:#171410;color:#fbf7ee;
  display:grid;place-items:center;font:700 12px/1 "Times New Roman",Georgia,serif;padding-bottom:1px;
}
#ai-tech-block .ot-dev .dark .bmark{background:#f2ecdc;color:#16140f}
#ai-tech-block .ot-dev .bname{font-size:12px;font-weight:650;letter-spacing:-.012em}
#ai-tech-block .ot-dev .conn{display:flex;align-items:center;gap:4px;margin-left:6px;font-size:9px;color:var(--t2)}
#ai-tech-block .ot-dev .conn i{width:5px;height:5px;border-radius:50%;background:#7d9459;box-shadow:0 0 0 2px rgba(125,148,89,.15)}
#ai-tech-block .ot-dev .bar-r{display:flex;align-items:center;gap:9px;color:var(--t3)}
#ai-tech-block .ot-dev .ico-gear{display:grid;place-items:center;opacity:.85}
#ai-tech-block .ot-dev .btn-ghost{border:1px solid var(--edge);background:transparent;color:var(--t1);font:inherit;font-size:9px;padding:3px 8px;border-radius:6px}
#ai-tech-block .ot-dev .btn-plain{font-size:9px;color:var(--t3)}

/* 主体 */
#ai-tech-block .ot-dev .body{display:flex;flex:1;min-height:0}
#ai-tech-block .ot-dev .side{flex:none;width:186px;border-right:1px solid var(--line);padding:9px 7px 0;overflow:hidden}
#ai-tech-block .ot-dev .side-h{display:flex;align-items:center;justify-content:space-between;padding:1px 7px 7px;font-size:9px;color:var(--t3)}
#ai-tech-block .ot-dev .badge{
  min-width:16px;height:16px;padding:0 5px;border-radius:8px;background:var(--brand-3);color:var(--brand);
  font-size:9px;font-weight:600;display:grid;place-items:center;
}
#ai-tech-block .ot-dev .badge.zero{background:var(--chip);color:var(--t3)}
#ai-tech-block .ot-dev .dev{display:flex;align-items:center;gap:8px;padding:6px 7px;border-radius:8px;margin-bottom:2px}
#ai-tech-block .ot-dev .dev.soft{background:var(--soft)}
#ai-tech-block .ot-dev .dev.on{background:var(--brand-3)}
#ai-tech-block .ot-dev .av{
  flex:none;width:24px;height:24px;border-radius:7px;background:#f3efe5;color:#7d7669;
  display:grid;place-items:center;font-size:9.5px;font-weight:600;
}
#ai-tech-block .ot-dev .dark .av{background:#242019;color:#8d8677}
#ai-tech-block .ot-dev .dev.on .av{background:var(--brand-2);color:var(--brand)}
#ai-tech-block .ot-dev .av.solid{background:var(--brand);color:#fffdf7}
#ai-tech-block .ot-dev .dark .av.solid{background:var(--brand);color:#1a1710}
#ai-tech-block .ot-dev .dv b{display:block;font-size:10.5px;font-weight:500}
#ai-tech-block .ot-dev .dv i{display:block;margin-top:1px;font-size:8.5px;font-style:normal;color:var(--t3)}
#ai-tech-block .ot-dev .side-sub{display:flex;align-items:center;justify-content:space-between;margin-top:11px;padding:0 7px 5px;font-size:9px;color:var(--t3)}
#ai-tech-block .ot-dev .side-sub .plus{font-size:11px;line-height:1}
#ai-tech-block .ot-dev .side-empty{padding:1px 7px 6px;font-size:9px;color:var(--t3)}

/* 会话 */
#ai-tech-block .ot-dev .chat{flex:1;min-width:0;display:flex;flex-direction:column}
#ai-tech-block .ot-dev .chat-h{flex:none;padding:12px 16px 10px;display:flex;align-items:flex-end;justify-content:space-between;border-bottom:1px solid var(--line)}
#ai-tech-block .ot-dev .kicker{font-size:8px;font-weight:700;letter-spacing:.17em;color:var(--brand);margin-bottom:4px}
#ai-tech-block .ot-dev .chat-h h4{margin:0;font-size:15px;font-weight:600;letter-spacing:-.015em}
#ai-tech-block .ot-dev .online{font-size:9px;color:var(--brand);padding-bottom:2px}
#ai-tech-block .ot-dev .chat-b{flex:1;min-height:0;padding:14px 16px;overflow:hidden}
#ai-tech-block .ot-dev .chat-b.center{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding-bottom:26px}
#ai-tech-block .ot-dev .dots{display:flex;gap:4px;margin-bottom:10px}
#ai-tech-block .ot-dev .dots i{width:4px;height:4px;border-radius:50%;background:var(--t3);opacity:.55;animation:dc-pulse 2.6s ease-in-out infinite}
#ai-tech-block .ot-dev .dots i:nth-child(2){animation-delay:.28s}
#ai-tech-block .ot-dev .dots i:nth-child(3){animation-delay:.56s}
@keyframes dc-pulse{0%,70%,100%{opacity:.26;transform:translateY(0)}35%{opacity:.72;transform:translateY(-2px)}}
#ai-tech-block .ot-dev .chat-b h5{margin:0 0 5px;font-size:11px;font-weight:600}
#ai-tech-block .ot-dev .chat-b .hint{margin:0;font-size:9.5px;color:var(--t3)}
#ai-tech-block .ot-dev .msg{display:grid;gap:5px}
#ai-tech-block .ot-dev .msg+.msg{margin-top:12px}
#ai-tech-block .ot-dev .msg.self{justify-items:end}
#ai-tech-block .ot-dev .msg-meta{display:flex;align-items:center;gap:7px;font-size:8.5px;color:var(--t3)}
#ai-tech-block .ot-dev .msg-meta b{font-weight:500;color:var(--t2)}
#ai-tech-block .ot-dev .bubble{
  width:fit-content;max-width:84%;padding:7px 10px;border:1px solid var(--line);border-radius:9px;
  background:var(--bg-2);font-size:10px;line-height:1.6;
}
#ai-tech-block .ot-dev .bubble.me{background:var(--brand-3);border-color:transparent}
#ai-tech-block .ot-dev .file{
  display:flex;align-items:center;gap:9px;width:fit-content;max-width:94%;
  padding:9px 11px;border:1px solid var(--line);border-radius:9px;background:var(--bg-2);
}
#ai-tech-block .ot-dev .file-ico{flex:none;width:26px;height:26px;border-radius:7px;background:var(--brand-3);color:var(--brand);display:grid;place-items:center}
#ai-tech-block .ot-dev .file b{display:block;font-size:10px;font-weight:600}
#ai-tech-block .ot-dev .file i{display:block;margin-top:2px;font-size:8.5px;font-style:normal;color:var(--t3)}
#ai-tech-block .ot-dev .composer{
  flex:none;margin:0 16px 14px;min-height:46px;padding:9px 11px;border:1px solid var(--line);border-radius:8px;
  background:var(--bg);color:var(--t3);font-size:10px;position:relative;
}
#ai-tech-block .ot-dev .composer::after{content:"";position:absolute;right:7px;bottom:6px;width:6px;height:6px;border-right:1px solid var(--edge);border-bottom:1px solid var(--edge)}

/* 右栏 */
#ai-tech-block .ot-dev .rail{flex:none;width:232px;border-left:1px solid var(--line);padding:12px 14px;overflow:hidden}
#ai-tech-block .ot-dev .peer{display:flex;align-items:center;gap:8px;padding-bottom:12px}
#ai-tech-block .ot-dev .av.big{width:32px;height:32px;border-radius:9px;font-size:11px}
#ai-tech-block .ot-dev .peer b{display:block;font-size:11px;font-weight:600}
#ai-tech-block .ot-dev .peer i{display:block;margin-top:1px;font-size:8.5px;font-style:normal;color:var(--t3)}
#ai-tech-block .ot-dev .rsec{padding:11px 0;border-top:1px solid var(--line)}
#ai-tech-block .ot-dev .rhead{display:flex;align-items:center;justify-content:space-between;font-size:9px;color:var(--t3);margin-bottom:8px}
#ai-tech-block .ot-dev .rhead.warn{color:var(--warn)}
#ai-tech-block .ot-dev .rtext{margin:0;font-size:9px;line-height:1.75;color:var(--t2)}
#ai-tech-block .ot-dev .task-top{display:flex;align-items:flex-start;justify-content:space-between;gap:6px}
#ai-tech-block .ot-dev .task-top b{font-size:9px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
#ai-tech-block .ot-dev .task-top span{flex:none;font-size:8px;line-height:1.5;color:var(--t3);text-align:right}
#ai-tech-block .ot-dev .prog{height:3px;border-radius:2px;background:var(--chip);margin:8px 0 6px;overflow:hidden}
#ai-tech-block .ot-dev .prog i{display:block;height:100%;border-radius:2px;background:var(--brand)}
#ai-tech-block .ot-dev .task-foot{display:flex;align-items:center;gap:5px;flex-wrap:wrap;font-size:8px;color:var(--t3)}
#ai-tech-block .ot-dev .task-foot em{font-style:normal;font-weight:600;color:var(--brand)}
#ai-tech-block .ot-dev .chip{border:1px solid var(--edge);border-radius:4px;padding:1px 4px;font-size:7.5px}
#ai-tech-block .ot-dev .task-foot u{text-decoration:none;color:var(--t3)}


/* ============================================================
   CASE 03：智能备考（审核员资格备考）—— 侧栏 + 主区，纸白/茶金
   内部类统一 ex- 前缀，避免与 CASE 01 的 .bar/.side/.av 撞车
   ============================================================ */
#ai-tech-block .ex-bar{flex:none;height:32px;padding:0 12px;display:flex;align-items:center;justify-content:space-between;
  border-bottom:1px solid var(--line);background:var(--bg);font-size:8.5px;color:var(--t3)}
#ai-tech-block .ex-bar-l{display:flex;align-items:center;gap:6px}
#ai-tech-block .ex-dot{width:6px;height:6px;border-radius:2px;border:1.4px solid var(--t3)}
#ai-tech-block .ex-lnk{color:var(--brand);font-weight:600}
#ai-tech-block .ex-body{display:flex;flex:1;min-height:0}

#ai-tech-block .ex-side{flex:none;width:170px;border-right:1px solid var(--line);padding:10px 8px;display:flex;flex-direction:column;background:var(--bg)}
#ai-tech-block .ex-logo{display:flex;align-items:center;gap:7px;padding:0 5px 12px}
#ai-tech-block .ex-mark{flex:none;width:24px;height:24px;border-radius:7px;color:#fffdf7;display:grid;place-items:center;
  font-size:12px;font-weight:700;line-height:1;padding-bottom:1px;
  background:linear-gradient(135deg,#a9823c,#c9a557);box-shadow:0 5px 12px -5px rgba(169,130,60,.6)}
#ai-tech-block .ex-lw b{display:block;font-size:10.5px;font-weight:700;letter-spacing:-.01em}
#ai-tech-block .ex-lw i{display:block;margin-top:1px;font-size:7.5px;font-style:normal;color:var(--t3)}
#ai-tech-block .ex-nav{display:grid;gap:2px}
#ai-tech-block .ex-nav-i{display:flex;align-items:center;gap:7px;height:27px;padding:0 8px;border-radius:7px;font-size:10px;color:var(--t2)}
#ai-tech-block .ex-nav-i svg{width:12px;height:12px;flex:none}
#ai-tech-block .ex-nav-i.on{background:var(--brand-3);color:var(--brand);font-weight:700}
#ai-tech-block .ex-foot{margin-top:auto;display:grid;gap:7px}
#ai-tech-block .ex-acct{display:flex;align-items:center;gap:7px;padding:7px;border-radius:8px;background:var(--soft);border:1px solid var(--line)}
#ai-tech-block .ex-av{flex:none;width:20px;height:20px;border-radius:50%;display:grid;place-items:center;font-size:8.5px;background:var(--chip);color:var(--t3)}
#ai-tech-block .ex-acct b{display:block;font-size:9px;font-weight:600}
#ai-tech-block .ex-acct i{display:block;margin-top:1px;font-size:7.5px;font-style:normal;color:var(--t3)}
#ai-tech-block .ex-ai{display:flex;align-items:center;justify-content:center;gap:5px;height:26px;border-radius:7px;font-size:9.5px;font-weight:700;
  color:#fffdf7;background:linear-gradient(90deg,#a9823c,#c39b52)}
#ai-tech-block .ex-ai svg{width:11px;height:11px}
#ai-tech-block .ex-ver{text-align:center;font-size:7px;color:var(--t3);line-height:1.5}
#ai-tech-block .ex-ver b{display:block;font-weight:600}

#ai-tech-block .ex-main{flex:1;min-width:0;padding:11px 13px;overflow:hidden;background:var(--bg-2)}
#ai-tech-block .ex-h{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:9px}
#ai-tech-block .ex-h h4{margin:0;font-size:13.5px;font-weight:700;letter-spacing:-.01em}
#ai-tech-block .ex-h p{margin:3px 0 0;font-size:8px;color:var(--t3)}
#ai-tech-block .ex-streak{font-size:9px;font-weight:700;color:#c2743a;white-space:nowrap}
#ai-tech-block .ex-notice{display:flex;align-items:flex-start;gap:6px;padding:6px 9px;border-radius:8px;margin-bottom:9px;
  background:#fdf6e8;border:1px solid #eddfc2;color:#8a6428;font-size:8px;line-height:1.5}
#ai-tech-block .ex-notice svg{width:11px;height:11px;flex:none;margin-top:1px}
#ai-tech-block .ex-hero{display:flex;align-items:center;gap:12px;padding:9px 12px;border-radius:10px;border:1px solid var(--line);
  background:var(--bg);margin-bottom:10px}
#ai-tech-block .ex-ring{position:relative;flex:none;width:54px;height:54px}
#ai-tech-block .ex-ring svg{width:54px;height:54px;transform:rotate(-90deg)}
#ai-tech-block .ex-ring circle{fill:none;stroke-width:5;stroke-linecap:round}
#ai-tech-block .ex-ring .rk{stroke:var(--chip)}
#ai-tech-block .ex-ring .rv{stroke:var(--brand);stroke-dasharray:144.5;stroke-dashoffset:144.5;
  transition:stroke-dashoffset 1.5s cubic-bezier(.22,.61,.36,1) .5s}
#ai-tech-block .ot-dev.is-in .ex-ring .rv{stroke-dashoffset:var(--rd,144.5)}
#ai-tech-block .ex-ringtx{position:absolute;inset:0;display:grid;place-content:center;text-align:center}
#ai-tech-block .ex-ringtx b{font-size:16px;font-weight:800;line-height:1}
#ai-tech-block .ex-ringtx i{display:block;margin-top:1px;font-size:6.5px;font-style:normal;color:var(--t3)}
#ai-tech-block .ex-hc{min-width:0}
#ai-tech-block .ex-hc b{display:block;font-size:10px;font-weight:700}
#ai-tech-block .ex-dl{display:inline-block;margin-top:4px;font-size:8px;color:var(--t2);padding:1px 5px;border-radius:4px;
  background:var(--soft);border:1px solid var(--line)}
#ai-tech-block .ex-hc p{margin:4px 0 0;font-size:7.5px;color:var(--t3);line-height:1.45}
#ai-tech-block .ex-hc u{display:inline-block;margin-top:4px;font-size:8px;font-weight:700;color:var(--brand);text-decoration:none}
#ai-tech-block .ex-sec{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:6px}
#ai-tech-block .ex-sec span{font-size:10.5px;font-weight:700}
#ai-tech-block .ex-sec em{font-size:8px;font-style:normal;color:var(--t3)}
#ai-tech-block .ex-tasks{display:grid;gap:5px;margin-bottom:9px}
#ai-tech-block .ex-task{display:grid;grid-template-columns:12px 1fr auto;gap:8px;align-items:start;padding:6px 9px;border-radius:7px;
  border:1px solid var(--line);background:var(--bg)}
#ai-tech-block .ex-ck{width:12px;height:12px;margin-top:1px;border-radius:50%;border:1.4px solid var(--edge);
  display:grid;place-items:center;font-size:7px;line-height:1;color:#fffdf7}
#ai-tech-block .ex-task.done .ex-ck{border-color:#7d9459;background:#7d9459}
#ai-tech-block .ex-task b{display:block;font-size:9px;font-weight:600}
#ai-tech-block .ex-task i{display:block;margin-top:2px;font-size:7.5px;font-style:normal;color:var(--t3);line-height:1.45}
#ai-tech-block .ex-task .tt{font-size:7.5px;color:var(--t3);padding-top:1px;white-space:nowrap}
#ai-tech-block .ex-tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:7px}
#ai-tech-block .ex-tile{padding:8px 9px;border-radius:9px;color:#fffdf7}
#ai-tech-block .ex-tile b{display:block;font-size:9.5px;font-weight:700}
#ai-tech-block .ex-tile i{display:block;margin-top:2px;font-size:7px;font-style:normal;opacity:.86}
#ai-tech-block .ex-tile.t1{background:linear-gradient(135deg,#a9823c,#c9a557);box-shadow:0 6px 12px -8px rgba(169,130,60,.7)}
#ai-tech-block .ex-tile.t2{background:linear-gradient(135deg,#8d6a33,#b08a45);box-shadow:0 6px 12px -8px rgba(141,106,51,.7)}
#ai-tech-block .ex-tile.t3{background:linear-gradient(135deg,#7d8b52,#5f7040);box-shadow:0 6px 12px -8px rgba(125,139,82,.6)}
#ai-tech-block .ex-tile.t4{background:linear-gradient(135deg,#b06a3c,#96502c);box-shadow:0 6px 12px -8px rgba(176,106,60,.6)}

/* 考试页（深窗 / 空态） */
#ai-tech-block .ex-rules{padding:9px 11px;border-radius:9px;margin-bottom:11px;background:#fdf6e8;border:1px solid #eddfc2}
#ai-tech-block .ex-rules-h{display:flex;align-items:center;gap:6px;font-size:8.5px;font-weight:700;color:#8a6428;margin-bottom:6px}
#ai-tech-block .ex-rules-h svg{width:11px;height:11px}
#ai-tech-block .ex-rules ul{margin:0;padding-left:13px}
#ai-tech-block .ex-rules li{font-size:7.5px;line-height:1.75;color:#8a6428}
#ai-tech-block .ex-empty{margin-top:2px;padding:16px 14px 18px;border-radius:10px;border:1px dashed var(--edge);
  display:flex;flex-direction:column;align-items:center;text-align:center}
#ai-tech-block .ex-empty .ex-ring{width:48px;height:48px;margin-bottom:9px}
#ai-tech-block .ex-empty .ex-ring svg{width:48px;height:48px}
#ai-tech-block .ex-empty .ex-ring .rv{stroke:var(--edge);stroke-dasharray:3 4;stroke-linecap:butt}
#ai-tech-block .ex-empty b{font-size:10px;font-weight:700}
#ai-tech-block .ex-empty p{margin:4px 0 0;font-size:8px;color:var(--t3);line-height:1.55}
#ai-tech-block .ex-ghost{margin-top:10px;padding:6px 14px;border-radius:7px;font-size:8.5px;font-weight:700;color:#fffdf7;
  background:linear-gradient(90deg,#a9823c,#c39b52)}
#ai-tech-block .ex-tag{flex:none;font-size:7.5px;color:var(--t3);padding:2px 8px;border-radius:999px;border:1px dashed var(--edge);white-space:nowrap}

/* 深色窗里的琥珀色提示块 */
#ai-tech-block .ot-dev .dark .ex-notice,
#ai-tech-block .ot-dev .dark .ex-rules{background:#2a2314;border-color:#463a1e;color:#d9b273}
#ai-tech-block .ot-dev .dark .ex-notice svg,
#ai-tech-block .ot-dev .dark .ex-rules-h,
#ai-tech-block .ot-dev .dark .ex-rules li{color:#d9b273}

/* ---- CASE 03：产品三维动画展示（robot-vacuum.html 以 iframe 无痕嵌入，背景与卡片同色） ---- */
#ai-tech-block .dc-vac{position:absolute;inset:0;overflow:hidden;background:#fbfbf9}
#ai-tech-block .dc-vac iframe{position:absolute;inset:0;display:block;width:100%;height:100%;border:0;background:#fbfbf9;color-scheme:light}
#ai-tech-block .dc-vac-load{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);font-size:12.5px;letter-spacing:.16em;color:#a89e88;opacity:0;transition:opacity .45s ease;pointer-events:none}
#ai-tech-block .dc-vac.is-loading .dc-vac-load{opacity:1}
#ai-tech-block .ot-dev-m .dc-vac{position:relative;inset:auto;height:auto;aspect-ratio:1/1.28;margin-top:14px;border-radius:14px}

/* ---- CASE 04：场景三维动画展示（rainy-corner.html 以 iframe 无痕嵌入，深色场景铺满） ---- */
#ai-tech-block .dc-vac.is-scene{background:#04060d}
#ai-tech-block .dc-vac.is-scene iframe{background:#04060d;color-scheme:dark}
#ai-tech-block .dc-vac.is-scene .dc-vac-load{color:#7c88a6}

/* ---- 卡片底：去 WhyMarvis 背景图，换成纸白 + 淡金光晕 ---- */
#ai-tech-block .ot-why-case[data-role="AI+开发"] .WhyMarvisSection_desktopBg__xgVmz{display:none}
#ai-tech-block .ot-why-case[data-role="AI+开发"] .WhyMarvisSection_desktopCard__azlfh{
  padding:clamp(12px,1.2vw,20px) clamp(14px,1.5vw,24px);
  background:none;
}
@media (min-width:1016px){
#ai-tech-block .ot-why-case[data-role="AI+开发"]{
  position:relative;left:50%;
  width:min(1400px, calc(100vw - 104px));
  margin-left:calc(min(1400px, calc(100vw - 104px)) * -0.5);
}
}
@media (min-width:1016px){
#ai-tech-block .ot-why-case[data-role="AI+开发"] .ot-dev{height:100%}
}

/* ============================================================
   CASE 02：安信中医官网（5 机扇形 + 屏内轮播）
   机身几何全部用 em，1em = 机宽 1%（脚本按实际机宽写 font-size）；
   机型高度按截图反推：屏幕严格 381:824，机身 2.065。
   ============================================================ */
#ai-tech-block .dc-fan{position:absolute;left:0;top:0;width:1100px;height:600px}

/* 深度上下文：机身用 translateZ 表达层级，随 transform 连续插值，换位无跳变 */
#ai-tech-block .ds-stage{
  position:absolute;left:50%;top:50%;
  width:1067px;height:600px;margin:-300px 0 0 -533px;
  transform-style:preserve-3d;
}
/* 深度包裹层：专管 translateZ（层级），短过渡先落位（位置 .9s、深度 .26s），
   换位时新中机 ~20% 进度就压过离场机，方向/步数无关 */
#ai-tech-block .ds-pz{
  position:absolute;left:0;top:0;width:0;height:0;
  transform-style:preserve-3d;
  transition:transform .26s cubic-bezier(.3,0,.3,1);
  will-change:transform;
}
#ai-tech-block .ds-stage.no-anim .ds-phone,#ai-tech-block .ds-stage.no-anim .ds-pz{transition:none !important}
/* 地面投影挂在 .dc-fan 上（不能进 3D 上下文，否则会被按深度排序） */
#ai-tech-block .dc-fan::before{
  content:"";position:absolute;left:50%;top:86%;width:80%;height:9%;
  transform:translateX(-50%);
  background:radial-gradient(ellipse at center,
    rgba(16,22,31,.24) 0%,rgba(16,22,31,.09) 40%,rgba(16,22,31,0) 70%);
  filter:blur(11px);pointer-events:none;z-index:0;
}

#ai-tech-block .ds-phone{
  position:absolute;left:0;top:0;margin:0;padding:0;border:0;
  border-radius:11em;transform-origin:0 0;
  transition:transform .9s cubic-bezier(.22,.75,.25,1);
  will-change:transform;
  background:linear-gradient(150deg,
    #c6c9cf 0%,#989ca4 4%,#5f646d 12%,#313439 26%,
    #1e2024 45%,#292c32 60%,#545860 78%,#93979f 92%,#5d6169 100%);
  box-shadow:
    0 0 0 .12em rgba(10,12,16,.55),
    0 0 0 .34em rgba(10,12,16,.12),
    0 11.5em 19em -6.9em rgba(11,16,25,.5),
    0 3.8em 7.7em -3.1em rgba(11,16,25,.42),
    0 .8em 1.9em -.8em rgba(11,16,25,.44);
}
#ai-tech-block .ds-phone::before{
  content:"";position:absolute;inset:1.5em;border-radius:9.5em;background:#050507;
  box-shadow:inset 0 0 0 .35em rgba(255,255,255,.06),inset 0 .6em 1.2em rgba(0,0,0,.9);
  pointer-events:none;z-index:1;
}
#ai-tech-block .ds-screen{
  position:absolute;inset:4.2em;border-radius:6.8em;overflow:hidden;
  background:#e9e3dc;box-shadow:0 0 0 .35em rgba(0,0,0,.85);z-index:2;
}
#ai-tech-block .ds-screen img{
  position:absolute;inset:0;display:block;width:100%;height:100%;
  object-fit:cover;object-position:top center;
  -webkit-user-drag:none;user-select:none;
}
#ai-tech-block .ds-screen img.incoming{
  opacity:0;transform:translateY(2.4%);
  transition:opacity .46s cubic-bezier(.33,0,.25,1),transform .55s cubic-bezier(.22,.9,.25,1);
  will-change:opacity,transform;
}
#ai-tech-block .ds-screen::after{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;z-index:6;
  background:
    linear-gradient(118deg,
      rgba(255,255,255,.20) 0%,rgba(255,255,255,.07) 8%,
      rgba(255,255,255,.015) 16%,rgba(255,255,255,0) 24%),
    linear-gradient(304deg,rgba(255,255,255,.06) 0%,rgba(255,255,255,0) 15%);
  box-shadow:
    inset 0 0 2.2em rgba(8,12,18,.10),
    inset 0 .35em 0 rgba(255,255,255,.45),
    inset .35em 0 0 rgba(255,255,255,.14);
}

#ai-tech-block .ds-dots{
  position:absolute;left:0;right:0;top:572px;
  display:flex;align-items:center;justify-content:center;gap:8px;z-index:9;
}
#ai-tech-block .ds-dot{
  width:6px;height:6px;padding:0;border:0;border-radius:99px;
  background:rgba(24,30,40,.26);cursor:pointer;
  transition:width .45s cubic-bezier(.2,.8,.3,1),background-color .45s;
}
#ai-tech-block .ds-dot:hover{background:rgba(24,30,40,.38)}
#ai-tech-block .ds-dot.is-on{width:18px;background:#a8834a}

/* 入场：直接显示，无渐变动画（10-19 用户明确要求）。
   ⚠️ 不要给 .ds-phone 加逐机错峰 animation——半透明机身互相叠映会显得
   散乱（用户截图实锤，已删） */

/* ---- 移动版：文案在上、单窗在下 ---- */
#ai-tech-block .ot-dev-m{height:auto !important;display:block}
#ai-tech-block .ot-dev-m .dc-win.back{display:none}
#ai-tech-block .ot-dev-m .dc-copy{position:relative;left:auto;top:auto;width:auto;height:auto;display:block}
#ai-tech-block .ot-dev-m .dc-h1{font-size:clamp(24px,7vw,30px)}
#ai-tech-block .ot-dev-m .dc-stage{
  position:relative;left:auto;top:auto;width:100%;height:min(78vw,430px);overflow:hidden;margin-top:18px;
  -webkit-mask-image:none;mask-image:none;
}
#ai-tech-block .ot-dev-m .dc-box{transform-origin:center center}

/* 移动版：切换菜单左对齐，两个案例都走文档流 */
#ai-tech-block .ot-dev-m .dc-bar{justify-content:flex-start;padding-bottom:12px;gap:6px}
#ai-tech-block .ot-dev-m .dc-btn{font-size:11.5px;padding:6px 12px;gap:5px}
#ai-tech-block .ot-dev-m .dc-btn i{font-size:10px}
#ai-tech-block .ot-dev-m .dc-view{position:static;min-height:0}
#ai-tech-block .ot-dev-m .dc-case{position:static;inset:auto}
#ai-tech-block .ot-dev-m .dc-case.is-on{animation:none}
#ai-tech-block .ot-dev-m .dc-fan{position:relative;left:auto;top:auto;width:100%;height:auto;margin-top:16px}
#ai-tech-block .ot-dev-m .ds-stage{position:relative;left:auto;top:auto;width:100%;height:auto;margin:0;aspect-ratio:100/76}
#ai-tech-block .ot-dev-m .ds-dots{position:static;top:auto;margin-top:10px}
#ai-tech-block .ot-dev-m .dc-meta{font-size:8px;letter-spacing:.1em}
#ai-tech-block .ot-dev-m .dc-meta span:nth-of-type(3),
#ai-tech-block .ot-dev-m .dc-meta i:nth-of-type(2){display:none}

/* 入场：卡片真正滚进视口才播（.is-in 由 IntersectionObserver 打上），
   否则 tab 一切换动画就在卡外跑完了，看起来「没有动效」 */
#ai-tech-block .dc-win{
  opacity:0;scale:.972;
  transition:opacity .9s ease,scale .95s cubic-bezier(.22,.61,.36,1),transform .35s ease-out;
}
#ai-tech-block .ot-dev.is-in .dc-win{opacity:1;scale:1}
#ai-tech-block .ot-dev.is-in .dc-win.back{transition-delay:.1s,.1s,0s}
/* 常驻缓浮（两扇窗不同周期，视差由 JS 写在 transform 上，互不干扰） */
@keyframes dc-float{from{translate:0 2px}to{translate:0 -12px}}
#ai-tech-block .ot-dev.is-in .dc-win{animation:dc-float 6s ease-in-out infinite alternate}
#ai-tech-block .ot-dev.is-in .dc-win.back{animation-duration:7.4s;animation-delay:.6s}
/* 文案随窗口一起浮出 */
#ai-tech-block .dc-copy{opacity:0;translate:0 14px;transition:opacity .9s ease .05s,translate .9s cubic-bezier(.22,.61,.36,1) .05s}
#ai-tech-block .ot-dev.is-in .dc-copy{opacity:1;translate:0 0}


/* 标题金色渐变缓慢流动（幅度很小，只做「活着」的暗示） */
#ai-tech-block .dc-h1 i{background-size:210% 100%;background-position:0% 50%}
#ai-tech-block .ot-dev.is-in .dc-h1 i{animation:dc-shine 9s ease-in-out infinite alternate}
@keyframes dc-shine{from{background-position:0% 50%}to{background-position:100% 50%}}

/* 传输进度条：入场时从 0 填到目标值 */
#ai-tech-block .ot-dev .prog i{transform-origin:left center;transform:scaleX(0);transition:transform 1.5s cubic-bezier(.22,.61,.36,1) .55s}
#ai-tech-block .ot-dev.is-in .prog i{transform:scaleX(1)}

/* 已连接圆点呼吸 */
#ai-tech-block .ot-dev .conn i{animation:dc-dot 3.2s ease-in-out infinite}
@keyframes dc-dot{0%,100%{box-shadow:0 0 0 2px rgba(125,148,89,.15)}50%{box-shadow:0 0 0 4px rgba(125,148,89,.06)}}

@media (prefers-reduced-motion:reduce){
  #ai-tech-block .ot-dev .dots i{animation:none}
  #ai-tech-block .ot-dev .conn i{animation:none}
  #ai-tech-block .dc-h1 i{animation:none}
  #ai-tech-block .prog i{transition:none;transform:none}
  #ai-tech-block .dc-win{animation:none;transition:none;opacity:1;scale:1}
  #ai-tech-block .dc-copy{transition:none;opacity:1;translate:0 0}
}
/* ==== devcase-1018 css end ==== */
/* ===== cv-art-1020：「AI+内容创作」新增「AI文章」类型 —— 5 台真机扇形轮播 + 大屏自动下滑阅读 =====
   形态参考「AI+开发」的 dc-bar 分类切换（01/02 编号胶囊 · 选中上浮 1px · 容器留出上浮空间）；
   10-21：类型胶囊挪到卡片（内容框）**外面**，卡片保持原样不动（几何、纸底、内边距全不变）；
   配色沿用 ot-cv 的纸白/墨色体系，文章态换玉绿 #1f6f5c 作为强调色。 */
#ai-tech-block .ot-cv[data-cv-kind="article"]{--otcv-accent:#1f6f5c}
#ai-tech-block .ot-cv[data-cv-kind="article"] .ot-cv-label{color:#1f6f5c}

/* ---- 类型切换（AI视频 / AI文章）· 放在内容框外面 ----
   10-21：胶囊是卡片（内容框）的**兄弟节点**，位于卡片上方并留 12px 气口；
   它已不在 .ot-cv 里，所以 --otcv-ink / --otcv-muted 必须在这里自带一份。 */
#ai-tech-block .ot-cv-kinds{--otcv-ink:#171817;--otcv-muted:#6f706c;--otcv-kind:#9aaa00;display:flex;align-items:center;justify-content:center;gap:8px;padding:10px 0 12px}
#ai-tech-block .ot-cv-kinds[data-cv-kind="article"]{--otcv-kind:#1f6f5c}
#ai-tech-block .ot-cv-kind{display:inline-flex;height:32px;align-items:center;gap:7px;border:1px solid rgba(23,24,23,.13);border-radius:999px;padding:0 16px;color:var(--otcv-muted);background:rgba(255,255,255,.6);cursor:pointer;font-family:inherit;font-size:12.5px;font-weight:700;line-height:1;transition:color .24s ease,background-color .24s ease,border-color .24s ease,box-shadow .24s ease,transform .24s ease}
#ai-tech-block .ot-cv-kind i{font-style:italic;font-weight:900;font-size:10.5px;letter-spacing:.04em;color:#a2a39e;transition:color .24s ease}
#ai-tech-block .ot-cv-kind:hover{color:var(--otcv-ink);border-color:rgba(23,24,23,.26);background:#fff}
#ai-tech-block .ot-cv-kind.is-on{background:#fff;border-color:var(--otcv-kind);color:var(--otcv-ink);box-shadow:0 4px 14px rgba(23,24,23,.10);transform:translateY(-1px)}
#ai-tech-block .ot-cv-kind.is-on i{color:var(--otcv-kind)}
#ai-tech-block .ot-cv-kind:focus-visible{outline:2px solid var(--otcv-kind);outline-offset:3px}

/* ---- 面板切换：视频=叠层轮播 + 7 个视频分类胶囊；文章=扇形真机（7 个视频分类胶囊隐藏，把高度让给机身） ---- */
#ai-tech-block .ot-cv-art{display:none}
#ai-tech-block .ot-cv[data-cv-kind="article"] .ot-cv-stage{display:none}
#ai-tech-block .ot-cv[data-cv-kind="article"] .ot-cv-tabs{display:none}
#ai-tech-block .ot-cv[data-cv-kind="article"] .ot-cv-art{position:relative;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;min-height:0;padding-bottom:26px}
/* 介绍块（原页面 长文手机轮播.html 的页头：eyebrow / 标题 / 副文案）—— 10-21 起在内容框内居中 */
#ai-tech-block .ot-art-intro{flex:none;text-align:center}
#ai-tech-block .ot-art-k{margin:0;color:#1f6f5c;font:600 10px/1.3 ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:.24em}
#ai-tech-block .ot-art-h{margin:7px 0 0;color:var(--otcv-ink);font-family:"Source Han Serif CN Embedded","Songti SC",serif;font-size:clamp(16px,1.55vw,22px);font-weight:600;line-height:1.35;letter-spacing:.04em}
#ai-tech-block .ot-art-s{max-width:760px;margin:7px auto 0;color:var(--otcv-muted);font-size:12.5px;line-height:1.6}
#ai-tech-block .ot-art-stagewrap{position:relative;flex:1 1 auto;min-height:0}

/* ---- 扇形舞台 ---- */
#ai-tech-block .ot-art-fan{position:absolute;left:0;top:0}
#ai-tech-block .ot-art-fan::before{position:absolute;left:50%;top:84%;width:80%;height:11%;background:radial-gradient(ellipse at center,rgba(16,22,31,.18) 0%,rgba(16,22,31,.06) 38%,rgba(16,22,31,0) 70%);content:"";pointer-events:none;z-index:0;filter:blur(18px);transform:translateX(-50%)}
#ai-tech-block .ot-art-stage{position:absolute;inset:0;transform-style:preserve-3d}
/* 深度包裹层：只写 translateZ（.26s 先落位），位置写在机身上（.9s） */
#ai-tech-block .ot-art-pz{position:absolute;left:0;top:0;width:0;height:0;transform-style:preserve-3d;transition:transform .26s cubic-bezier(.3,0,.3,1);will-change:transform}

/* ---- 机身（金属框 / 黑面板 / 玻璃 / 反光，1em = 机宽 1%） ---- */
#ai-tech-block .ot-art-phone{position:absolute;left:0;top:0;width:200px;height:413px;margin:0;border:0;border-radius:11em;padding:0;background:linear-gradient(150deg,#c9ccd2 0%,#9a9ea6 4%,#616570 12%,#33363b 26%,#1f2125 45%,#2a2d33 60%,#565a62 78%,#94989f 92%,#5f636b 100%);box-shadow:0 0 0 .12em rgba(10,12,16,.55),0 0 0 .34em rgba(10,12,16,.11),0 30px 52px -18px rgba(11,16,25,.52),0 10px 20px -8px rgba(11,16,25,.44),0 2px 5px -2px rgba(11,16,25,.42);cursor:zoom-in;font-size:2px;opacity:0;transform-origin:0 0;transition:transform .9s cubic-bezier(.22,.75,.25,1),box-shadow .45s ease;will-change:transform;-webkit-appearance:none;appearance:none}
#ai-tech-block .ot-art-phone::before{position:absolute;inset:1.5em;border-radius:9.5em;background:#050507;box-shadow:inset 0 0 0 .35em rgba(255,255,255,.06),inset 0 .6em 1.2em rgba(0,0,0,.9);content:"";pointer-events:none;z-index:1}
/* 入场零动画：只在首次摆位完成后同步可见 */
#ai-tech-block .ot-art-fan.is-ready .ot-art-phone{opacity:1}
#ai-tech-block .ot-art-stage.no-anim .ot-art-phone,#ai-tech-block .ot-art-stage.no-anim .ot-art-pz{transition:none!important}
#ai-tech-block .ot-art-phone:focus-visible{outline:2px solid #1f6f5c;outline-offset:5px}
@media (hover:hover){
  #ai-tech-block .ot-art-phone:hover{box-shadow:0 0 0 .12em rgba(10,12,16,.55),0 0 0 .34em rgba(10,12,16,.11),0 40px 64px -18px rgba(11,16,25,.58),0 13px 24px -8px rgba(11,16,25,.5),0 2px 5px -2px rgba(11,16,25,.44)}
}

/* ---- 屏幕 ---- */
#ai-tech-block .ot-art-screen{position:absolute;inset:4.2em;display:block;border-radius:6.8em;overflow:hidden;background:#fff;box-shadow:0 0 0 .35em rgba(0,0,0,.85);z-index:2}
#ai-tech-block .ot-art-screen::after{position:absolute;inset:0;border-radius:inherit;background:linear-gradient(118deg,rgba(255,255,255,.2) 0%,rgba(255,255,255,.065) 8%,rgba(255,255,255,.012) 16%,rgba(255,255,255,0) 24%),linear-gradient(304deg,rgba(255,255,255,.055) 0%,rgba(255,255,255,0) 15%);box-shadow:inset 0 0 2.2em rgba(8,12,18,.09),inset 0 .35em 0 rgba(255,255,255,.42),inset .35em 0 0 rgba(255,255,255,.13);content:"";pointer-events:none;z-index:6}
#ai-tech-block .ot-art-screen img{position:absolute;inset:0;display:block;width:100%;height:100%;object-fit:cover;object-position:top center;-webkit-user-drag:none;user-select:none}
/* 双缓冲：换图时新图先叠上、解码完才露头 */
#ai-tech-block .ot-art-screen img.ot-art-shot{opacity:0}
#ai-tech-block .ot-art-screen img.ot-art-shot.is-on{opacity:1}

/* ---- 状态栏浮层（压在截图顶部留白上） ---- */
#ai-tech-block .ot-art-sbar{position:absolute;left:0;right:0;top:0;height:9.4em;display:flex;align-items:center;justify-content:space-between;box-sizing:border-box;padding:0 6.1em;color:#1b1f24;background:linear-gradient(#fff 58%,rgba(255,255,255,.92) 76%,rgba(255,255,255,0));font-size:1em;z-index:5;pointer-events:none}
#ai-tech-block .ot-art-sbar .sb-time{font-style:normal;font-size:3em;font-weight:600;letter-spacing:.02em;font-variant-numeric:tabular-nums;transform:translateY(-.06em)}
#ai-tech-block .ot-art-sbar .sb-right{display:flex;align-items:center;gap:1.5em;transform:translateY(-.06em)}
#ai-tech-block .ot-art-sbar .sb-sig{display:flex;align-items:flex-end;gap:.5em;height:1.85em}
#ai-tech-block .ot-art-sbar .sb-sig i{width:.55em;background:#1b1f24;border-radius:.2em}
#ai-tech-block .ot-art-sbar .sb-sig i:nth-child(1){height:.75em;opacity:.35}
#ai-tech-block .ot-art-sbar .sb-sig i:nth-child(2){height:1.1em;opacity:.55}
#ai-tech-block .ot-art-sbar .sb-sig i:nth-child(3){height:1.45em;opacity:.8}
#ai-tech-block .ot-art-sbar .sb-sig i:nth-child(4){height:1.85em}
#ai-tech-block .ot-art-sbar .sb-bat{position:relative;width:5.7em;height:2.85em;border:.28em solid rgba(27,31,36,.42);border-radius:.9em}
#ai-tech-block .ot-art-sbar .sb-bat::before{position:absolute;left:.32em;top:.32em;bottom:.32em;right:1.25em;background:#1b1f24;border-radius:.35em;content:""}
#ai-tech-block .ot-art-sbar .sb-bat::after{position:absolute;right:-1em;top:50%;width:.5em;height:1.1em;background:rgba(27,31,36,.42);border-radius:0 .3em .3em 0;content:"";transform:translateY(-50%)}
#ai-tech-block .ot-art-sbar .sb-island{position:absolute;left:50%;top:2.5em;width:12.4em;height:3.5em;border-radius:99em;background:#0a0c0f;transform:translateX(-50%)}

/* ---- 底部状态行（复用 ot-cv-status 的定位，这里只补溢出与刻度） ---- */
#ai-tech-block .ot-art-status{bottom:0;max-width:calc(100% - 128px)}
#ai-tech-block .ot-art-status .ot-cv-cat{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---- 窄屏：类型胶囊收紧 + 文章舞台定高（与视频舞台同高） ---- */
@media (max-width:1015px){
#ai-tech-block .ot-cv-kinds{padding:6px 0 10px}
#ai-tech-block .ot-cv-kind{height:30px;padding:0 13px;font-size:12px}
}
#ai-tech-block .ot-cv-m[data-cv-kind="article"] .ot-cv-art{flex:none;height:auto;gap:8px;padding-bottom:24px}
#ai-tech-block .ot-cv-m .ot-art-stagewrap{flex:none}
#ai-tech-block .ot-cv-m .ot-art-h{font-size:15px;line-height:1.4}
#ai-tech-block .ot-cv-m .ot-art-s{font-size:11.5px;line-height:1.55}
#ai-tech-block .ot-cv-m .ot-art-k{font-size:9.5px;letter-spacing:.2em}
#ai-tech-block .ot-cv-m[data-cv-kind="article"] .ot-cv-arrow{top:auto;bottom:-1px;width:34px;height:34px;transform:none}
#ai-tech-block .ot-cv-m[data-cv-kind="article"] .ot-cv-arrow svg{width:15px;height:15px}
#ai-tech-block .ot-cv-m[data-cv-kind="article"] .ot-cv-arrow:hover,#ai-tech-block .ot-cv-m[data-cv-kind="article"] .ot-cv-arrow:focus-visible{transform:scale(1.06)}
#ai-tech-block .ot-cv-m .ot-art-status{max-width:calc(100% - 96px)}

/* ---- 大屏阅读层（复用 ot-cv-lb 外壳，媒体区换成真机） ---- */
.ot-art-lb .ot-cv-lb-media{padding:20px 0 26px}
.ot-art-lb .ot-cv-lb-kicker,.ot-art-lb .ot-cv-lb-count{color:#7fd4b8}
.ot-art-vstage{position:relative;filter:drop-shadow(0 40px 70px rgba(0,0,0,.55))}
.ot-art-dphone{--dh:min(80vh,660px);position:relative;height:var(--dh);aspect-ratio:100 / 206.63;margin:0;border:0;padding:0;border-radius:11em;background:linear-gradient(150deg,#c9ccd2 0%,#9a9ea6 4%,#616570 12%,#33363b 26%,#1f2125 45%,#2a2d33 60%,#565a62 78%,#94989f 92%,#5f636b 100%);box-shadow:0 0 0 .12em rgba(10,12,16,.55),0 30px 52px -18px rgba(11,16,25,.52);font-size:calc(var(--dh) / 206.63)}
.ot-art-dphone::before{position:absolute;inset:1.5em;border-radius:9.5em;background:#050507;box-shadow:inset 0 0 0 .35em rgba(255,255,255,.06),inset 0 .6em 1.2em rgba(0,0,0,.9);content:"";pointer-events:none;z-index:1}
.ot-art-dscreen{position:absolute;inset:4.2em;display:block;border-radius:6.8em;overflow:hidden;background:#fff;box-shadow:0 0 0 .35em rgba(0,0,0,.85);cursor:grab;touch-action:pan-y;z-index:2}
.ot-art-dscreen.is-drag{cursor:grabbing}
.ot-art-dscreen img{position:absolute;left:0;top:0;display:block;width:100%;height:auto;-webkit-user-drag:none;user-select:none;will-change:transform}
.ot-art-dscreen .ot-art-sbar{-webkit-backdrop-filter:blur(9px) saturate(1.05);backdrop-filter:blur(9px) saturate(1.05)}
.ot-art-vbar{position:absolute;left:50%;bottom:-22px;width:38%;height:2px;border-radius:2px;background:rgba(255,255,255,.14);overflow:hidden;transform:translateX(-50%)}
.ot-art-vbar i{display:block;height:100%;width:0;background:linear-gradient(90deg,#4fae90,#7fd4b8);border-radius:2px}
.ot-art-ctrl{display:flex;gap:10px;margin-top:20px;flex-wrap:wrap}
.ot-art-btn{height:34px;border:1px solid #4a4d51;border-radius:999px;padding:0 16px;color:#ddd9d1;background:rgba(255,255,255,.06);cursor:pointer;font-family:inherit;font-size:12.5px;font-weight:700;letter-spacing:.04em;transition:background-color .2s ease,border-color .2s ease,color .2s ease}
.ot-art-btn:hover{background:rgba(255,255,255,.14);border-color:#6b6e72;color:#fff}
.ot-art-btn.is-primary{border-color:rgba(127,212,184,.4);background:rgba(127,212,184,.16);color:#b8ecda}
.ot-art-btn.is-primary:hover{background:rgba(127,212,184,.26)}
.ot-art-btn:focus-visible{outline:2px solid #7fd4b8;outline-offset:3px}
@media (max-width:860px){
  .ot-art-lb .ot-cv-lb-box{grid-template-columns:minmax(0,1fr)}
  .ot-art-lb .ot-cv-lb-info{border-left:0;border-top:1px solid #45474a}
  .ot-art-dphone{--dh:min(58vh,480px)}
}
/* ===== /cv-art-1020 ===== */
/* music-1014 v5：「AI+音乐」tab —— 编号胶囊 + 浅色 Z 字状态工作流（生成式出现/无框原始比例媒体/案例停留5s轮播）+ 科普原始比例层叠卡 + lightbox */
#ai-tech-block .ot-music{position:relative;z-index:10;width:100%;height:100%;display:flex;flex-direction:column;gap:clamp(4px,.7vw,10px);min-height:0}
/* ---- 分类菜单移到顶部居中（样式对齐「AI+开发」的 dc-bar 胶囊），描述文字放菜单下方居中 ---- */
#ai-tech-block .ot-mx-head{flex:none;display:flex;flex-direction:column;align-items:center;gap:9px;width:100%}
#ai-tech-block .ot-mx-tags{display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap;padding:3px 0 0}
#ai-tech-block .ot-mx-tag{position:relative;display:inline-flex;align-items:baseline;gap:7px;font-family:inherit;background:rgba(255,255,255,.66);border:1px solid rgba(28,23,18,.1);border-radius:999px;padding:7px 16px;cursor:pointer;user-select:none;-webkit-appearance:none;appearance:none;transition:background-color .3s,color .3s,box-shadow .3s,transform .3s,border-color .3s}
#ai-tech-block .ot-mx-tag-num{position:static;display:inline-block;font-size:11px;line-height:1;font-weight:800;font-style:italic;color:#c9ab68;letter-spacing:.5px;transition:color .3s;pointer-events:none}
#ai-tech-block .ot-mx-tag-label{display:block;font-size:12.5px;line-height:1.2;font-weight:600;color:#8a8069;transition:color .3s;white-space:nowrap}
#ai-tech-block .ot-mx-tag:not(.on):hover{background:rgba(255,255,255,.85);border-color:rgba(185,154,82,.4)}
#ai-tech-block .ot-mx-tag:not(.on):hover .ot-mx-tag-label{color:#4a4232}
#ai-tech-block .ot-mx-tag.on{background:#fff;border-color:#c9ab68;box-shadow:0 4px 14px rgba(165,132,60,.16);transform:translateY(-1px)}
#ai-tech-block .ot-mx-tag.on .ot-mx-tag-num{color:#b99a52}
#ai-tech-block .ot-mx-tag.on .ot-mx-tag-label{color:#171310}
#ai-tech-block .ot-mx-tag:focus-visible{outline:2px solid #c9ab68;outline-offset:3px}
/* 描述条：多条叠在同一格，只显示当前那条（容器高度按最高一条自动撑开，切换不跳版） */
#ai-tech-block .ot-mx-desc{display:grid;width:100%;max-width:720px}
#ai-tech-block .ot-mx-long{grid-area:1 / 1;margin:0;font-size:12px;line-height:19px;color:#8a8069;text-align:center;white-space:pre-line;opacity:0;transition:opacity .4s ease;pointer-events:none}
#ai-tech-block .ot-mx-long.on{opacity:1}
#ai-tech-block .ot-mx-stage{flex:1 1;min-width:0;position:relative}
/* 分类按钮移到内容框外：外卡片只当占位壳（去底图/去内边距），内容框改由 .ot-mx-stage 承载
   （同一张 CARD_BG 由模板内联到 stage 上，视觉与其它 tab 的卡片底一致） */
#ai-tech-block .ot-why-case[data-role="AI+音乐"] .WhyMarvisSection_desktopBg__xgVmz{display:none}
#ai-tech-block .ot-why-case[data-role="AI+音乐"] .WhyMarvisSection_desktopCard__azlfh{
  padding:0;background:none;overflow:visible;align-items:stretch;justify-content:center;
  /* 框整体加高：JS fitOneScreen() 会按弹窗可视高实测改写（内联 height）；这里的 clamp 只是兜底 */
  height:clamp(480px,58vw,min(880px, calc(100vh - 250px)));
}
#ai-tech-block .ot-why-case[data-role="AI+音乐"] .ot-mx-stage{
  border-radius:clamp(16px,1.67vw,24px);
  /* 框宽：硬上限 1040px；矮屏时 fitOneScreen() 会按 1.62:1 收窄（--ot-mx-w），避免框又扁又宽、内容缩在中间显空 */
  width:100%;max-width:var(--ot-mx-w,1040px);margin-left:auto;margin-right:auto;
  background-size:cover;background-position:50% 50%;background-repeat:no-repeat;
  overflow:hidden;
}
/* 内容框内留白（panel 绝对定位，内边距写在 panel 上才生效；只给桌面壳，移动端卡片自带内边距） */
#ai-tech-block .ot-music:not(.ot-music-m) .ot-mx-panel{padding:clamp(12px,1.5vw,24px) clamp(16px,2vw,32px)}
/* 内容框变宽后画布靠左：案例 chips 行与画布收到「画布实际宽度」并居中（--zcvw 由 scaleZ 写入） */
#ai-tech-block .ot-music:not(.ot-music-m) .ot-mx-cases,
#ai-tech-block .ot-music:not(.ot-music-m) .zcvbox{width:100%;max-width:var(--zcvw,670px);margin-left:auto;margin-right:auto}
#ai-tech-block .ot-mx-panel{position:absolute;inset:0;opacity:0;transform:translateY(24px) scale(.985);transition:opacity .45s cubic-bezier(.4,0,.2,1),transform .45s cubic-bezier(.16,1,.3,1),visibility 0s linear .5s;pointer-events:none;display:flex;flex-direction:column;visibility:hidden}
#ai-tech-block .ot-mx-panel.is-on{opacity:1;transform:translateY(0) scale(1);pointer-events:auto;visibility:visible;transition:opacity .45s cubic-bezier(.4,0,.2,1),transform .45s cubic-bezier(.16,1,.3,1),visibility 0s}
/* ---- 面板 0：案例 chips（白底金边浅色系）+ 浅色 Z 字状态工作流 ---- */
#ai-tech-block .ot-mx-cases{display:flex;align-items:center;gap:10px;flex:none;margin-bottom:10px}
#ai-tech-block .ot-mx-casechip{position:relative;font-family:inherit;background:rgba(255,255,255,.66);border:1px solid rgba(28,23,18,.1);border-radius:999px;padding:7px 16px;font-size:12.5px;font-weight:600;color:#8a8069;cursor:pointer;display:flex;align-items:center;gap:7px;white-space:nowrap;transition:background-color .3s,color .3s,box-shadow .3s,transform .3s,border-color .3s}
#ai-tech-block .ot-mx-casechip .cdot{width:6px;height:6px;border-radius:50%;background:rgba(20,16,8,.2);transition:.3s;flex:none}
#ai-tech-block .ot-mx-casechip:not(.on):hover{color:#4a4232;border-color:rgba(185,154,82,.4);background:rgba(255,255,255,.85)}
#ai-tech-block .ot-mx-casechip.on{background:#fff;border-color:#c9ab68;color:#171310;box-shadow:0 4px 14px rgba(165,132,60,.16);transform:translateY(-1px)}
#ai-tech-block .ot-mx-casechip.on .cdot{background:#b99a52;box-shadow:0 0 6px rgba(185,154,82,.75)}
#ai-tech-block .ot-mx-casetip{margin-left:auto;font-size:10.5px;color:#a89d84;letter-spacing:.5px}
/* 画布（媒体无框直接在画布上，状态光效包裹媒体本体） */
#ai-tech-block .zcvbox{position:relative;flex:1 1;min-height:0;overflow:hidden}
#ai-tech-block .zcv{position:absolute;left:0;top:0;width:670px;height:540px;transform-origin:0 0}
#ai-tech-block .zcv .zsvg{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
#ai-tech-block .zcv .cw{stroke:#b99a52;fill:none;stroke-width:2;stroke-linecap:round;stroke-dasharray:5 7;opacity:.18;transition:opacity .5s ease}
#ai-tech-block .zcv .cw.st-run{opacity:.95;animation:mxmarch 1s linear infinite}
#ai-tech-block .zcv .cw.st-done{opacity:.6;animation:mxmarch 2.8s linear infinite}
@keyframes mxmarch{to{stroke-dashoffset:-24}}
#ai-tech-block .zcv .zlab{position:absolute;width:max-content;transform:translate(-50%,-50%) scale(.6);opacity:0;background:rgba(255,255,255,.94);border:1px solid rgba(185,154,82,.45);color:#8a6d33;font-size:10.5px;font-weight:600;line-height:1.35;border-radius:10px;padding:5px 10px;text-align:center;white-space:pre-line;box-shadow:0 6px 16px rgba(60,48,30,.12);transition:opacity .45s ease,transform .45s cubic-bezier(.34,1.56,.64,1);z-index:2}
#ai-tech-block .zcv .zlab.st-run{opacity:1;transform:translate(-50%,-50%) scale(1)}
#ai-tech-block .zcv .zdot{position:absolute;width:8px;height:8px;border-radius:50%;background:radial-gradient(circle at 35% 35%,#f6ead0,#c9a86a);box-shadow:0 0 10px 2px rgba(201,168,106,.65);opacity:0;offset-rotate:0deg}
#ai-tech-block .zcv .zdot.st-run{animation:mxdot 2s linear infinite;opacity:1}
#ai-tech-block .zcv .zdot.st-done{animation:mxdot 3.2s linear infinite;opacity:.55}
@keyframes mxdot{0%{offset-distance:0%;opacity:0}10%{opacity:1}90%{opacity:1}100%{offset-distance:100%;opacity:0}}
/* 媒体节点（无框）：三态光效包裹媒体本体 */
#ai-tech-block .gm{position:absolute;transition:opacity .5s ease,filter .6s ease}
#ai-tech-block .gm .cap{position:absolute;top:-28px;left:12px;z-index:3;font-size:10.5px;font-weight:600;color:#6f6759;background:rgba(255,255,255,.9);border:1px solid rgba(28,23,18,.06);border-radius:8px;padding:3px 9px;box-shadow:0 3px 10px rgba(60,48,30,.1);white-space:nowrap;transition:.4s}
#ai-tech-block .gm .cap b{font-weight:800;color:#57503f}
#ai-tech-block .gm .ring{position:absolute;inset:-5px;width:calc(100% + 10px);height:calc(100% + 10px);opacity:0;pointer-events:none;overflow:visible;transition:opacity .4s ease;z-index:2}
#ai-tech-block .gm .ring rect{x:2px;y:2px;width:calc(100% - 4px);height:calc(100% - 4px);rx:18px;ry:18px;fill:none;stroke:#b99a52;stroke-width:2.5;stroke-dasharray:4 3}
#ai-tech-block .gm.st-run .ring{opacity:1}
#ai-tech-block .gm.st-run .ring rect{animation:mxring 1.1s linear infinite}
@keyframes mxring{to{stroke-dashoffset:-7}}
#ai-tech-block .gm.st-run{animation:mxglow 1.6s ease-in-out infinite}
#ai-tech-block .gm.st-run .cap{color:#8a6d33;border-color:rgba(185,154,82,.5)}
@keyframes mxglow{0%,100%{filter:drop-shadow(0 14px 24px rgba(60,48,30,.16))}50%{filter:drop-shadow(0 14px 24px rgba(60,48,30,.16)) drop-shadow(0 0 12px rgba(201,168,106,.55))}}
#ai-tech-block .gm.st-done::after{content:"";position:absolute;top:-10px;right:-10px;width:22px;height:22px;border-radius:50%;background:#a5843c;box-shadow:0 4px 10px rgba(165,132,60,.45),inset 0 0 0 2px rgba(255,255,255,.6);z-index:3;animation:mxok .45s cubic-bezier(.34,1.56,.64,1) both}
@keyframes mxok{from{opacity:0;transform:scale(.4)}to{opacity:1;transform:scale(1)}}
/* done 态静态化：完成节点保留虚线金框+✓，但停止呼吸光晕与 marching 环（与 demo 定稿一致） */
#ai-tech-block .gm.st-done{animation:none}
#ai-tech-block .gm.st-done .ring{opacity:1}
#ai-tech-block .gm.st-done .ring rect{animation:none}
#ai-tech-block .zlab.st-done{opacity:1;transform:translate(-50%,-50%) scale(1)}
#ai-tech-block .gm.st-idle{opacity:.42;filter:saturate(.45)}
/* 媒体本体（无框） */
#ai-tech-block .gm .media{display:block;border-radius:14px;overflow:hidden;box-shadow:0 16px 38px rgba(60,48,30,.2);cursor:pointer;position:relative}
#ai-tech-block .gm .media img{display:block;width:100%;height:100%;object-fit:cover}
#ai-tech-block .gm .media .sh{position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,0) 45%,rgba(0,0,0,.38))}
#ai-tech-block .gm .media .pl{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.94);color:#8a6d33;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 18px rgba(0,0,0,.32)}
#ai-tech-block .gm .media .pl svg{display:block}
#ai-tech-block .gm .media .dur{position:absolute;right:8px;bottom:8px;font-size:9.5px;padding:3px 8px;border-radius:8px;background:rgba(0,0,0,.5);color:#fff}
#ai-tech-block .gm .media.reveal{animation:mxrev .55s cubic-bezier(.22,1,.36,1) both}
@keyframes mxrev{from{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}
/* 音频紧凑播放器 */
#ai-tech-block .gm .player{display:flex;align-items:center;gap:8px;background:rgba(255,255,255,.78);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:999px;padding:7px 12px 7px 7px;box-shadow:0 10px 26px rgba(60,48,30,.14)}
#ai-tech-block .gm .player.reveal{animation:mxrev .55s cubic-bezier(.22,1,.36,1) both}
#ai-tech-block .gm .pbtn{flex:none;width:30px;height:30px;border-radius:50%;border:none;cursor:pointer;background:#b99a52;color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px rgba(165,132,60,.35);padding:0}
#ai-tech-block .gm .pbtn svg{display:block}
#ai-tech-block .gm .pbtn .ipau{display:none}
#ai-tech-block .gm .player.playing .pbtn .ipla{display:none}
#ai-tech-block .gm .player.playing .pbtn .ipau{display:block}
#ai-tech-block .gm .ptrack{flex:1 1;min-width:0;height:4px;border-radius:2px;background:rgba(28,23,18,.12);overflow:hidden;position:relative;cursor:pointer}
#ai-tech-block .gm .ptrack:before{content:"";position:absolute;inset:-7px -5px}
#ai-tech-block .gm .pprog{height:100%;width:0;border-radius:2px;background:#b99a52}
#ai-tech-block .gm .ptime{flex:none;font-size:9.5px;color:#a39a86;font-variant-numeric:tabular-nums;white-space:nowrap}
/* 生成中占位 */
#ai-tech-block .gm .gen{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;border:2px dashed rgba(185,154,82,.55);border-radius:14px;background:rgba(255,255,255,.5);position:relative;overflow:hidden}
#ai-tech-block .gm .gen .gspin{width:26px;height:26px;border-radius:50%;border:2.5px dashed #b99a52;animation:mxspin 2.2s linear infinite;opacity:.85}
#ai-tech-block .gm .gen .gtxt{font-size:10.5px;font-weight:600;color:#8a6d33;letter-spacing:2px}
#ai-tech-block .gm .gen .gsh{position:absolute;inset:0;background:linear-gradient(105deg,transparent 30%,rgba(255,255,255,.75) 50%,transparent 70%);transform:translateX(-100%);animation:mxgsh 1.6s ease infinite}
@keyframes mxgsh{to{transform:translateX(100%)}}
@keyframes mxspin{to{transform:rotate(360deg)}}
/* ---- 面板 1：音乐知识科普 · 原始比例层叠卡 ---- */
#ai-tech-block .ot-mx-feed{position:relative;flex:1 1;min-height:0;display:flex;align-items:center;justify-content:center}
#ai-tech-block .ot-mx-cards{position:relative;width:100%;height:100%}
#ai-tech-block .ot-mx-card{position:absolute;left:50%;top:50%;border-radius:20px;overflow:hidden;background:#fff;box-shadow:0 24px 48px rgba(40,32,20,.2),0 8px 16px rgba(40,32,20,.1);transform:translate(-50%,-50%);transition:transform .55s cubic-bezier(.22,1,.36,1),filter .55s ease,width .55s cubic-bezier(.22,1,.36,1),height .55s cubic-bezier(.22,1,.36,1);cursor:pointer}
#ai-tech-block .ot-mx-card video{width:100%;height:100%;object-fit:cover;display:block}
#ai-tech-block .ot-mx-card[data-pos="0"]{transform:translate(-50%,-50%);z-index:5}
#ai-tech-block .ot-mx-card[data-pos="1"]{transform:translate(calc(-50% + var(--fx,120px)),-50%) scale(.8) rotate(6deg);z-index:4;filter:brightness(.93)}
#ai-tech-block .ot-mx-card[data-pos="2"]{transform:translate(calc(-50% + var(--fx2,200px)),-50%) scale(.68) rotate(12deg);z-index:3;filter:brightness(.86)}
#ai-tech-block .ot-mx-card[data-pos="3"]{transform:translate(calc(-50% - var(--fx,120px)),-50%) scale(.8) rotate(-6deg);z-index:4;filter:brightness(.93)}
#ai-tech-block .ot-mx-snd{position:absolute;right:10px;bottom:10px;width:34px;height:34px;border-radius:50%;border:none;background:rgba(255,255,255,.94);color:#141414;display:none;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 6px 16px rgba(0,0,0,.22);z-index:2;padding:0}
#ai-tech-block .ot-mx-snd svg{display:block}
#ai-tech-block .ot-mx-card[data-pos="0"] .ot-mx-snd{display:flex;animation:mxsnd 2s ease-in-out infinite}
/* 呼吸提示：白色光环从按钮边缘向外扩散消散 + 轻微缩放脉动，引导点击开声 */
@keyframes mxsnd{0%,100%{box-shadow:0 6px 16px rgba(0,0,0,.22),0 0 0 0 rgba(255,255,255,.55);transform:scale(1)}50%{box-shadow:0 6px 16px rgba(0,0,0,.22),0 0 0 9px rgba(255,255,255,0);transform:scale(1.07)}}
#ai-tech-block .ot-mx-cap{position:absolute;left:10px;top:10px;font-size:10px;line-height:1.4;padding:4px 9px;border-radius:10px;background:rgba(0,0,0,.42);color:#fff;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);z-index:2;pointer-events:none}
#ai-tech-block .ot-mx-arr{position:absolute;top:50%;transform:translateY(-50%);width:38px;height:38px;border-radius:50%;border:none;background:rgba(255,255,255,.94);color:#141414;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 10px 24px rgba(40,32,20,.18);z-index:6;padding:0}
#ai-tech-block .ot-mx-arr svg{display:block}
#ai-tech-block .ot-mx-arr-l{left:2%}
#ai-tech-block .ot-mx-arr-r{right:2%}
#ai-tech-block .ot-mx-dots{position:absolute;left:50%;bottom:-20px;transform:translateX(-50%);display:flex;gap:6px;z-index:6}
#ai-tech-block .ot-mx-dot{width:5px;height:5px;border-radius:3px;background:rgba(20,16,8,.22);cursor:pointer;transition:.3s;padding:0;border:none}
#ai-tech-block .ot-mx-dot.on{width:18px;background:#191c24}
/* ---- lightbox ---- */
.ot-mx-lb{position:fixed;inset:0;z-index:99999;display:flex;align-items:center;justify-content:center;background:rgba(7,8,11,.88);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);opacity:0;transition:opacity .3s ease}
.ot-mx-lb.show{opacity:1}
.ot-mx-lb-vwrap{position:relative;display:flex}
.ot-mx-lb video,.ot-mx-lb img{max-width:88vw;max-height:82vh;border-radius:14px;background:#000;box-shadow:0 40px 120px rgba(0,0,0,.6);outline:none;display:block}
.ot-mx-lb img{background:transparent}
.ot-mx-lb-x{position:absolute;top:-48px;right:-4px;width:38px;height:38px;border-radius:50%;border:none;background:rgba(255,255,255,.12);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:.25s;padding:0}
.ot-mx-lb-x:hover{background:rgba(255,255,255,.26);transform:rotate(90deg)}
.ot-mx-lb-x svg{display:block}
.ot-mx-lb-cap{position:absolute;left:2px;bottom:-34px;font-size:12px;color:rgba(255,255,255,.6);white-space:nowrap}
/* ---- 移动版 ---- */
@media (max-width:1015px){
#ai-tech-block .ot-music-m{height:auto;gap:10px}
#ai-tech-block .ot-music-m .ot-mx-head{gap:8px}
#ai-tech-block .ot-music-m .ot-mx-tags{width:100%;gap:6px;padding-top:0}
#ai-tech-block .ot-music-m .ot-mx-tag{padding:6px 13px}
#ai-tech-block .ot-music-m .ot-mx-tag-label{font-size:11.5px}
#ai-tech-block .ot-music-m .ot-mx-tag-num{font-size:10px}
#ai-tech-block .ot-music-m .ot-mx-desc{max-width:100%}
#ai-tech-block .ot-music-m .ot-mx-long{font-size:11px;line-height:17px}
#ai-tech-block .ot-music-m .ot-mx-panel{position:relative;inset:auto;display:none}
#ai-tech-block .ot-music-m .ot-mx-panel.is-on{display:flex;flex-direction:column}
#ai-tech-block .ot-music-m .ot-mx-casetip{display:none}
/* 移动端画布：保持 540 真高（子元素全绝对定位，height:auto 会塌 0），容器横向滚动查看原尺寸 */
#ai-tech-block .ot-music-m .zcvbox{flex:none;height:auto !important;margin-bottom:8px;overflow-x:auto;overflow-y:hidden;-webkit-overflow-scrolling:touch}
#ai-tech-block .ot-music-m .zcv{position:relative;height:540px;padding-bottom:0}
#ai-tech-block .ot-music-m .ot-mx-feed{flex:none;height:400px;padding:8px 0 2px}
#ai-tech-block .ot-music-m .ot-mx-dots{bottom:-16px}
}  
/* digital-1016 v1：「AI+数字人」tab = elevenlabs hero 牌堆内联直出（不再用 iframe）
   几何取自原版实测：6 槽位 left%/translateZ/rotateY、容器足迹 517.86px/中心偏移 70.17px、
   perspective 840px、卡面 16.5rem 圆角 24px scale .5、静音钮偏移 234.93/147.59（root font 16px 基准）。
   位置/角度的切换用合成器过渡（transform/opacity）驱动 → 比原版更顺（没有指数收敛的蠕动尾巴）。 */
#ai-tech-block .ot-dh{position:absolute;inset:0;z-index:10;width:100%;height:100%;background:#FDFCFC;overflow:hidden}
#ai-tech-block .ot-dh.ot-dh-m{position:relative;inset:auto;height:auto;min-height:0;border-radius:16px;overflow:hidden}
#ai-tech-block .dh-hero{display:flex;flex-direction:row;align-items:center;justify-content:center;gap:40px;
  width:100%;height:512px;padding:0 24px;box-sizing:border-box}
#ai-tech-block .dh-copy{flex:0 1 380px;min-width:0;display:flex;flex-direction:column;align-items:flex-start}
#ai-tech-block .dh-eyebrow{margin:0 0 28px;font-size:15px;line-height:22px;font-weight:500;letter-spacing:.15px;color:#777169}
#ai-tech-block .dh-title{margin:0;font-size:48px;line-height:52px;font-weight:300;letter-spacing:-.96px;color:#000}
#ai-tech-block .dh-stage{flex:1 1 auto;min-width:0;position:relative;height:100%}
#ai-tech-block .dh-scaler{position:absolute;left:50%;top:50%;transform-origin:center center}
#ai-tech-block .dh-deck{position:relative;transform-style:preserve-3d}
#ai-tech-block .dh-inner{position:absolute;left:50%;top:50%;transform-style:preserve-3d}
#ai-tech-block .dh-card{position:absolute;left:50%;top:50%;width:16.5rem;aspect-ratio:1/1.3;overflow:hidden;
  border-radius:24px;background:rgb(245,243,241);
  box-shadow:rgba(0,0,0,.04) 0 1px 1px 0,rgba(0,0,0,.04) 0 2px 4px 0;
  transform-origin:50% 50% 0px;pointer-events:auto;cursor:pointer;
  -webkit-user-select:none;user-select:none;touch-action:none;
  transition:transform .62s cubic-bezier(.22,.61,.36,1),opacity .3s linear;will-change:transform}
#ai-tech-block .dh-card.is-instant{transition:none}
#ai-tech-block .dh-layer{position:absolute;inset:0}
#ai-tech-block .dh-layer video,#ai-tech-block .dh-layer img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
#ai-tech-block .dh-poster{pointer-events:none;transition:opacity .3s}
/* 牌堆探针：与卡面同尺寸、固定钉在前排槽位，只用来量「前排卡的投影矩形」（给声音钮定位） */
#ai-tech-block .dh-probe{position:absolute;left:50%;top:50%;width:16.5rem;aspect-ratio:1/1.3;
  visibility:hidden;pointer-events:none;transform-origin:50% 50% 0;transition:none}
/* dhplay-1018：声音开关挪到「前排卡右下角」（对齐 AI+音乐 科普前卡的圆形开关），常驻可见
   （原来挂在 deck 的 50%+234.9px 位置，正好被 translateZ(220) 的前排卡盖住 → 肉眼看不见） */
#ai-tech-block .dh-sound{position:absolute;left:0;top:0;z-index:12;width:36px;height:36px;margin:0;padding:0;border:0;
  background:none;cursor:pointer;outline:none;pointer-events:auto}
#ai-tech-block .dh-sbtn-c{position:absolute;inset:0;border-radius:9999px;background:#fff;transform:scale(.925926);
  box-shadow:0 0 0 1px rgba(20,16,8,.07),0 1px 1px 0 rgba(0,0,0,.05),0 3px 10px 0 rgba(40,32,20,.18);
  transition:transform .5s cubic-bezier(.16,1,.3,1)}
#ai-tech-block .dh-sound:hover .dh-sbtn-c{transform:scale(1)}
#ai-tech-block .dh-sbtn-i{position:absolute;left:50%;top:50%;width:16px;height:16px;margin:-8px 0 0 -8px;color:#141414;display:block}
#ai-tech-block .dh-sbtn-i svg{display:block;width:16px;height:16px}
#ai-tech-block .dh-sbtn-r{position:absolute;left:50%;top:50%;width:46px;height:46px;margin:-23px 0 0 -23px;pointer-events:none;
  filter:drop-shadow(0 .5px 1px rgba(0,0,0,.18))}
#ai-tech-block .dh-sbtn-r svg{display:block;width:46px;height:46px;transform:rotate(-90deg)}
/* 还没开声时给一圈很轻的呼吸，提示「这里能开声音」 */
#ai-tech-block .dh-sound[aria-pressed="false"] .dh-sbtn-c{animation:dhSndPulse 2.6s cubic-bezier(.4,0,.2,1) infinite}
@keyframes dhSndPulse{
  0%{box-shadow:0 0 0 1px rgba(20,16,8,.07),0 3px 10px 0 rgba(40,32,20,.18),0 0 0 0 rgba(185,154,82,.5)}
  62%{box-shadow:0 0 0 1px rgba(20,16,8,.07),0 3px 10px 0 rgba(40,32,20,.18),0 0 0 12px rgba(185,154,82,0)}
  100%{box-shadow:0 0 0 1px rgba(20,16,8,.07),0 3px 10px 0 rgba(40,32,20,.18),0 0 0 0 rgba(185,154,82,0)}}
/* 移动端（窄卡片）：文案与牌堆竖排 */
#ai-tech-block .dh-hero.dh-hero-m{flex-direction:column;gap:18px;height:auto;padding:20px 12px 24px}
#ai-tech-block .dh-hero.dh-hero-m .dh-copy{flex:0 0 auto;align-items:center;width:100%}
#ai-tech-block .dh-hero.dh-hero-m .dh-eyebrow{margin-bottom:10px}
#ai-tech-block .dh-hero.dh-hero-m .dh-title{font-size:26px;line-height:30px;letter-spacing:-.4px;text-align:center}
#ai-tech-block .dh-hero.dh-hero-m .dh-stage{flex:0 0 auto;width:100%;height:372px}
#ai-tech-block .dh-hero.dh-hero-m .dh-deck{height:340px !important}
#ai-tech-block .dh-hero.dh-hero-m .dh-flowbar{align-items:center;text-align:center;margin-top:20px;
  padding-top:18px;max-width:none}
#ai-tech-block .dh-hero.dh-hero-m .dh-flowname{font-size:15px}
#ai-tech-block .dh-hero.dh-hero-m .dh-flowsub{margin-top:0}

/* ---- flow-1015b：按钮改到左侧文案栏（卡面只 ~180px 宽，压视频太挤）----
   版式：细分隔线 + 当前案例名（跟随最前排视频）+ 流程按钮，落在标题下方留白区 */
#ai-tech-block .dh-flowbar{margin-top:34px;padding-top:24px;width:100%;max-width:340px;
  display:flex;flex-direction:column;align-items:flex-start;gap:13px;border-top:1px solid #e7e3dc}
#ai-tech-block .dh-flowcap{font-size:11px;letter-spacing:3px;color:#a9a39a}
#ai-tech-block .dh-flowname{font-size:16.5px;font-weight:600;line-height:1.4;letter-spacing:.2px;color:#151413}
#ai-tech-block .dh-flowsub{font-size:12.5px;line-height:1.5;color:#8d877e;margin-top:-7px}
#ai-tech-block .dh-flow{display:inline-flex;align-items:center;gap:10px;margin:2px 0 0;padding:13px 24px;
  border:0;border-radius:999px;background:#151413;color:#fff;cursor:pointer;
  font-family:inherit;font-size:14px;font-weight:500;letter-spacing:.8px;white-space:nowrap;
  box-shadow:0 6px 18px rgba(20,20,20,.14);transition:background .22s,transform .22s,box-shadow .22s}
#ai-tech-block .dh-flow:hover{background:#332f2b;transform:translateY(-1px);box-shadow:0 10px 26px rgba(20,20,20,.2)}
#ai-tech-block .dh-flow:active{transform:translateY(0)}
#ai-tech-block .dh-flow svg{width:17px;height:17px;flex:0 0 auto;transition:transform .22s}
#ai-tech-block .dh-flow:hover svg{transform:translateX(3px)}

/* ---- flow-1015：工作流弹窗（body 级，深色控制台风，与工作流页同风格） ---- */
.dh-flowmask{position:fixed;inset:0;z-index:99999;display:flex;align-items:center;justify-content:center;
  padding:3vh 3vw;background:rgba(4,8,15,.8);-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);
  animation:dhFlowIn .18s ease;font-family:var(--font-ui)}
.dh-flowmask[hidden]{display:none}
@keyframes dhFlowIn{from{opacity:0}to{opacity:1}}
.dh-flowpanel{display:flex;flex-direction:column;width:min(1320px,100%);height:min(880px,100%);
  background:#0b0f1a;border:1px solid #263248;border-radius:18px;overflow:hidden;
  box-shadow:0 30px 90px rgba(0,0,0,.55)}
.dh-flowhead{flex:0 0 auto;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:13px 18px;border-bottom:1px solid #1d2740;background:linear-gradient(100deg,#101b30,#0b0f1a)}
.dh-flowttl{min-width:0;display:flex;align-items:center;gap:9px}
.dh-flowttl i{flex:0 0 auto;width:6px;height:6px;border-radius:50%;background:#22d3ee;box-shadow:0 0 8px #22d3ee}
.dh-flowttl b{font-size:15px;font-weight:700;color:#e5ecf8;letter-spacing:1.2px;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.dh-flowacts{flex:0 0 auto;display:flex;align-items:center;gap:10px}
.dh-flowacts button{display:inline-flex;align-items:center;gap:6px;height:34px;padding:0 14px;
  border-radius:9px;border:1px solid #263248;background:#141b2b;color:#e5ecf8;
  font-family:inherit;font-size:12.5px;letter-spacing:1px;cursor:pointer;transition:all .2s}
.dh-flowacts button:hover{color:#8ff0ff;border-color:#22d3ee66}
.dh-flowframe{flex:1 1 auto;position:relative;background:#0b0f1a}
.dh-flowframe iframe{position:absolute;inset:0;width:100%;height:100%;border:0;display:block;background:#0b0f1a}
.dh-flowspin{position:absolute;inset:0;z-index:2;display:flex;align-items:center;justify-content:center;gap:14px;
  color:#5f7396;font-size:13px;letter-spacing:3px;background:#0b0f1a;transition:opacity .25s;pointer-events:none}
.dh-flowspin i{width:18px;height:18px;border-radius:50%;border:2px solid #22d3ee44;border-top-color:#22d3ee;
  animation:dhFlowSpin .8s linear infinite}
@keyframes dhFlowSpin{to{transform:rotate(360deg)}}
.dh-flowmask.is-ready .dh-flowspin{opacity:0}
@media (max-width:760px){
  .dh-flowmask{padding:0}
  .dh-flowpanel{width:100%;height:100%;border-radius:0;border:0}
  .dh-flowttl b{font-size:13.5px;letter-spacing:.6px}
}

/* ---- dhplay-1018：点前排卡 → 大屏播放器（与 AI+音乐 科普 lightbox 同一套观感：暗底 + 毛玻璃 + 右上 ✕ + 底部案例名） ---- */
.dh-lb{position:fixed;inset:0;z-index:99999;display:flex;align-items:center;justify-content:center;
  background:rgba(7,8,11,.88);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  opacity:0;transition:opacity .3s ease;font-family:var(--font-ui)}
.dh-lb.show{opacity:1}
.dh-lb-vwrap{position:relative;display:flex}
.dh-lb video{max-width:88vw;max-height:82vh;border-radius:14px;background:#000;outline:none;display:block;
  box-shadow:0 40px 120px rgba(0,0,0,.6)}
.dh-lb-x{position:absolute;top:-48px;right:-4px;width:38px;height:38px;border-radius:50%;border:none;
  background:rgba(255,255,255,.12);color:#fff;display:flex;align-items:center;justify-content:center;
  cursor:pointer;transition:.25s;padding:0}
.dh-lb-x:hover{background:rgba(255,255,255,.26);transform:rotate(90deg)}
.dh-lb-x svg{display:block}
.dh-lb-cap{position:absolute;left:2px;bottom:-34px;font-size:12px;color:rgba(255,255,255,.6);white-space:nowrap}
/* ============ kb-1016 v1：「AI+知识库」四个演示页内联（书籍清单/知识图谱/知识问答/知识萃取）============ */
#ai-tech-block .ot-kb-slide[data-kbs="qa"], #ai-tech-block .ot-kb-slide[data-kbs="qa"] *{ margin: 0; padding: 0; box-sizing: border-box; }#ai-tech-block .ot-kb-slide[data-kbs="qa"]{
    --paper: #faf6ef; --paper-2: #f4ede1; --surface: #ffffff; --surface-2: #fbf8f2;
    --ink: #2a241d; --ink-2: #55493c; --ink-3: #8a7d6b; --line: #e6ddcc;
    --moss: #3d5a4a; --moss-deep: #2f4a3d; --moss-soft: #e7ede7;
    --amber: #c9962e; --amber-deep: #a9781f; --amber-soft: #f6ecd8;
    --serif: "Noto Serif SC", "Songti SC", "SimSun", serif;
    --sans: ui-sans-serif, system-ui, "PingFang SC", "Microsoft YaHei", sans-serif;
  }#ai-tech-block .ot-kb-slide[data-kbs="qa"]{ height: 100%; }#ai-tech-block .ot-kb-slide[data-kbs="qa"]{ background: var(--paper); font-family: var(--sans); color: var(--ink); overflow: hidden; }#ai-tech-block .ot-kb-slide[data-kbs="qa"] .kbfit{ position: absolute; inset: 0; overflow: hidden; }#ai-tech-block .ot-kb-slide[data-kbs="qa"] .kbstage{
    position: absolute; left: 50%; top: 50%; transform-origin: center;
    width: 1440px; height: 900px; background: var(--paper);
    display: flex; justify-content: center;
  }#ai-tech-block .ot-kb-slide[data-kbs="qa"] .page{ width: 100%; max-width: 940px; padding: 48px 48px 40px; display: flex; flex-direction: column; }#ai-tech-block .ot-kb-slide[data-kbs="qa"] .eyebrow{ font-size: 12px; font-weight: 600; letter-spacing: .2em; text-transform: uppercase; color: var(--amber-deep); }#ai-tech-block .ot-kb-slide[data-kbs="qa"] .title{ margin-top: 8px; font-family: var(--serif); font-size: 40px; font-weight: 600; }#ai-tech-block .ot-kb-slide[data-kbs="qa"] .status-pill{ display: inline-flex; align-items: center; gap: 7px; margin-top: 14px; font-size: 12px;
    background: var(--moss-soft); color: var(--moss-deep); border-radius: 999px; padding: 5px 14px; }#ai-tech-block .ot-kb-slide[data-kbs="qa"] .status-pill i{ width: 7px; height: 7px; border-radius: 50%; background: var(--moss); }#ai-tech-block .ot-kb-slide[data-kbs="qa"] .chat{ flex: 1; margin-top: 18px; min-height: 0; overflow: hidden; position: relative;
    border: 1px solid var(--line); border-radius: 16px; background: var(--surface-2);
    padding: 16px; display: flex; flex-direction: column; gap: 12px; }#ai-tech-block .ot-kb-slide[data-kbs="qa"] .bubble{ max-width: 82%; border-radius: 14px; padding: 10px 14px; font-size: 14px; line-height: 1.7; animation: kbqa-in .35s ease; }@keyframes kbqa-in{ from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }#ai-tech-block .ot-kb-slide[data-kbs="qa"] .b-user{ align-self: flex-end; background: var(--moss); color: #fff; border-radius: 16px 4px 16px 16px; }#ai-tech-block .ot-kb-slide[data-kbs="qa"] .b-answer{ align-self: flex-start; width: 88%; background: var(--surface); border: 1px solid var(--line);
    border-radius: 14px; overflow: hidden; }#ai-tech-block .ot-kb-slide[data-kbs="qa"] .ans-head{ display: flex; align-items: center; gap: 8px; padding: 10px 14px; border-bottom: 1px solid var(--line); }#ai-tech-block .ot-kb-slide[data-kbs="qa"] .pill{ border-radius: 999px; padding: 3px 12px; font-size: 11px; font-weight: 600; }#ai-tech-block .ot-kb-slide[data-kbs="qa"] .pill.writing{ background: var(--amber-soft); color: var(--amber-deep); }#ai-tech-block .ot-kb-slide[data-kbs="qa"] .pill.done{ background: var(--moss-soft); color: var(--moss-deep); }#ai-tech-block .ot-kb-slide[data-kbs="qa"] .phase{ display: flex; align-items: center; gap: 8px; font-size: 12.5px; color: var(--ink-3); }#ai-tech-block .ot-kb-slide[data-kbs="qa"] .spinner{ width: 12px; height: 12px; border-radius: 50%; flex-shrink: 0;
    border: 2px solid var(--line); border-top-color: var(--moss); animation: kbqa-spin 1s linear infinite; }@keyframes kbqa-spin{ to { transform: rotate(360deg); } }#ai-tech-block .ot-kb-slide[data-kbs="qa"] .pv-bar{ height: 4px; border-radius: 2px; background: var(--paper-2); overflow: hidden; position: relative; }#ai-tech-block .ot-kb-slide[data-kbs="qa"] .pv-bar i{ position: absolute; inset: 0; width: 0; background: var(--moss); border-radius: 2px; transition: width .4s; }#ai-tech-block .ot-kb-slide[data-kbs="qa"] .evrow{ display: flex; flex-wrap: wrap; gap: 6px; }#ai-tech-block .ot-kb-slide[data-kbs="qa"] .evchip{ font-size: 11.5px; border-radius: 999px; padding: 3px 11px; background: var(--paper-2);
    border: 1px solid #e8dfc9; color: var(--ink-2); animation: kbqa-in .4s ease backwards; }#ai-tech-block .ot-kb-slide[data-kbs="qa"] .evchip b{ color: var(--moss); }#ai-tech-block .ot-kb-slide[data-kbs="qa"] .evchip.orig{ background: var(--amber-soft); border-color: #e8d5a8; color: #8a6d24; }#ai-tech-block .ot-kb-slide[data-kbs="qa"] .summary{ border-left: 2px solid var(--moss); background: rgba(231,237,231,.35);
    padding: 9px 14px; font-size: 13px; line-height: 1.7; color: var(--moss-deep); }#ai-tech-block .ot-kb-slide[data-kbs="qa"] .md-body{ padding: 12px 14px 14px; font-size: 13.5px; line-height: 1.8; color: var(--ink-2); }#ai-tech-block .ot-kb-slide[data-kbs="qa"] .md-body .mdh{ font-family: var(--serif); font-weight: 700; font-size: 14.5px; color: var(--moss-deep); margin: 4px 0 4px; }#ai-tech-block .ot-kb-slide[data-kbs="qa"] .md-body .mdh::before{ content: ""; display: inline-block; width: 4px; height: 13px; background: var(--amber);
    border-radius: 2px; margin-right: 8px; vertical-align: -2px; }#ai-tech-block .ot-kb-slide[data-kbs="qa"] .md-body ol{ margin: 3px 0 3px 20px; }#ai-tech-block .ot-kb-slide[data-kbs="qa"] .md-body li{ margin: 2px 0; }#ai-tech-block .ot-kb-slide[data-kbs="qa"] .caret{ display: inline-block; width: 7px; height: 13px; background: var(--amber); vertical-align: -2px; margin-left: 2px; animation: kbqa-blink 1s step-end infinite; }@keyframes kbqa-blink{ 50% { opacity: 0; } }#ai-tech-block .ot-kb-slide[data-kbs="qa"] .form{ display: flex; align-items: center; gap: 10px; margin-top: 14px; }#ai-tech-block .ot-kb-slide[data-kbs="qa"] .fakeinput{ flex: 1; display: flex; align-items: center; gap: 8px;
    background: var(--surface); border: 1px solid var(--line); border-radius: 999px;
    padding: 12px 20px; font-size: 14px; color: var(--ink-2); min-height: 46px;
    box-shadow: 0 1px 2px rgba(42,36,29,.04); }#ai-tech-block .ot-kb-slide[data-kbs="qa"] .fakeinput .qtext{ white-space: nowrap; overflow: hidden; }#ai-tech-block .ot-kb-slide[data-kbs="qa"] .sendbtn{ flex-shrink: 0; border-radius: 999px; background: var(--moss); color: #fff;
    padding: 11px 28px; font-size: 14px; font-weight: 500; min-height: 46px;
    transition: background .2s, transform .15s; }#ai-tech-block .ot-kb-slide[data-kbs="qa"] .sendbtn:hover{ background: var(--moss-deep); }#ai-tech-block .ot-kb-slide[data-kbs="qa"] .foot{ margin-top: 12px; font-size: 12px; color: var(--ink-3); text-align: center; }
#ai-tech-block .ot-kb-slide[data-kbs="graph"], #ai-tech-block .ot-kb-slide[data-kbs="graph"] *{ margin: 0; padding: 0; box-sizing: border-box; }#ai-tech-block .ot-kb-slide[data-kbs="graph"]{
    --paper: #faf6ef; --surface: #ffffff; --surface-2: #fbf8f2;
    --ink: #2a241d; --ink-2: #55493c; --ink-3: #8a7d6b; --line: #e6ddcc;
    --moss: #3d5a4a; --moss-deep: #2f4a3d; --moss-soft: #e7ede7;
    --amber: #c9962e; --amber-deep: #a9781f; --amber-soft: #f6ecd8;
    --serif: "Noto Serif SC", "Songti SC", "SimSun", serif;
    --sans: ui-sans-serif, system-ui, "PingFang SC", "Microsoft YaHei", sans-serif;
  }#ai-tech-block .ot-kb-slide[data-kbs="graph"]{ height: 100%; }#ai-tech-block .ot-kb-slide[data-kbs="graph"]{ background: var(--paper); font-family: var(--sans); color: var(--ink); overflow: hidden; }#ai-tech-block .ot-kb-slide[data-kbs="graph"] .kbfit{ position: absolute; inset: 0; overflow: hidden; }#ai-tech-block .ot-kb-slide[data-kbs="graph"] .kbstage{
    position: absolute; left: 50%; top: 50%; transform-origin: center;
    width: 1440px; height: 900px; background: var(--paper); display: flex; justify-content: center;
  }#ai-tech-block .ot-kb-slide[data-kbs="graph"] .wrap{ width: 100%; max-width: 1360px; padding: 22px 24px; display: flex; flex-direction: column; }#ai-tech-block .ot-kb-slide[data-kbs="graph"] .mapcard{ position: relative; flex: 1; min-height: 0; overflow: hidden;
    border: 1px solid var(--line); border-radius: 16px; background: var(--surface);
    box-shadow: 0 1px 2px rgba(42,36,29,.05); }#ai-tech-block .ot-kb-slide[data-kbs="graph"] .dust{ position: absolute; width: 3px; height: 3px; border-radius: 50%; background: #d8ccb4;
    pointer-events: none; animation: kbg-floaty 7s ease-in-out infinite alternate; }@keyframes kbg-floaty{ from { transform: translateY(-6px); opacity: .35; } to { transform: translateY(8px); opacity: .9; } }#ai-tech-block .ot-kb-slide[data-kbs="graph"] .bar{ position: absolute; inset: 0 0 auto 0; z-index: 20; display: flex; flex-wrap: wrap; align-items: center;
    gap: 10px; border-bottom: 1px solid var(--line); background: var(--surface); padding: 12px 20px 9px; }#ai-tech-block .ot-kb-slide[data-kbs="graph"] .bar .b1{ font-size: 11px; font-weight: 500; letter-spacing: .2em; text-transform: uppercase; color: var(--amber-deep); }#ai-tech-block .ot-kb-slide[data-kbs="graph"] .bar h1{ font-family: var(--serif); font-size: 15px; font-weight: 600; line-height: 1.35; color: var(--ink); }#ai-tech-block .ot-kb-slide[data-kbs="graph"] .bar h1 .st{ color: var(--ink-3); font-weight: 400; font-size: 12.5px; }#ai-tech-block .ot-kb-slide[data-kbs="graph"] .bar .btns{ margin-left: auto; display: flex; flex-wrap: wrap; gap: 7px; }#ai-tech-block .ot-kb-slide[data-kbs="graph"] .chip{ border-radius: 999px; border: 1px solid var(--line); background: var(--surface);
    padding: 3px 11px; font-size: 12px; color: var(--ink-2); transition: all .18s; cursor: pointer; }#ai-tech-block .ot-kb-slide[data-kbs="graph"] .chip:hover{ border-color: var(--moss); color: var(--moss-deep); }#ai-tech-block .ot-kb-slide[data-kbs="graph"] .chip.primary{ background: var(--moss); color: #fff; border-color: var(--moss); }#ai-tech-block .ot-kb-slide[data-kbs="graph"] .bar .lgd{ display: flex; flex-wrap: wrap; align-items: center; gap: 14px; width: 100%;
    font-size: 11px; color: var(--ink-3); padding-top: 4px; }#ai-tech-block .ot-kb-slide[data-kbs="graph"] .lgd span{ display: inline-flex; align-items: center; gap: 6px; }#ai-tech-block .ot-kb-slide[data-kbs="graph"] .i-book{ width: 11px; height: 11px; border-radius: 50%; background: #3d5a4a; box-shadow: 0 0 0 1px #fff; }#ai-tech-block .ot-kb-slide[data-kbs="graph"] .i-tag{ width: 9px; height: 9px; background: #8a6fa8; transform: rotate(45deg); border: 1.5px solid #fff; }#ai-tech-block .ot-kb-slide[data-kbs="graph"] .i-con{ width: 9px; height: 9px; background: #a8608f; transform: rotate(45deg); border: 1.5px solid #fff; }#ai-tech-block .ot-kb-slide[data-kbs="graph"] .lgd .hint{ margin-left: auto; color: var(--ink-3); }#ai-tech-block .ot-kb-slide[data-kbs="graph"] #cv{ position: absolute; inset: 0; width: 100%; height: 100%; display: block; cursor: grab; }#ai-tech-block .ot-kb-slide[data-kbs="graph"] #cv.drag{ cursor: grabbing; }#ai-tech-block .ot-kb-slide[data-kbs="graph"] .panel{ position: absolute; inset: 0 auto 0 0; width: 344px; z-index: 30;
    background: var(--surface); border-right: 1px solid var(--line);
    box-shadow: 12px 0 34px rgba(42,36,29,.12); display: flex; flex-direction: column;
    transform: translateX(-102%); transition: transform .4s cubic-bezier(.4,.1,.2,1); }#ai-tech-block .ot-kb-slide[data-kbs="graph"] .panel.show{ transform: none; }#ai-tech-block .ot-kb-slide[data-kbs="graph"] .panel .p-head{ display: flex; align-items: center; justify-content: space-between;
    border-bottom: 1px solid var(--line); padding: 12px 18px; }#ai-tech-block .ot-kb-slide[data-kbs="graph"] .p-pill{ border-radius: 999px; padding: 3px 10px; font-size: 11px; font-weight: 500; }#ai-tech-block .ot-kb-slide[data-kbs="graph"] .p-pill.book{ background: var(--moss); color: #fff; }#ai-tech-block .ot-kb-slide[data-kbs="graph"] .p-close{ font-size: 12px; color: var(--ink-3); transition: color .18s; cursor: pointer; }#ai-tech-block .ot-kb-slide[data-kbs="graph"] .p-close:hover{ color: var(--ink); }#ai-tech-block .ot-kb-slide[data-kbs="graph"] .p-body{ flex: 1; overflow: hidden; padding: 18px; }#ai-tech-block .ot-kb-slide[data-kbs="graph"] .p-body h3{ font-family: var(--serif); font-size: 18px; font-weight: 600; line-height: 1.4; }#ai-tech-block .ot-kb-slide[data-kbs="graph"] .p-flags{ margin-top: 6px; display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }#ai-tech-block .ot-kb-slide[data-kbs="graph"] .pk{ border-radius: 999px; padding: 2px 9px; font-size: 10px; color: #fff; }#ai-tech-block .ot-kb-slide[data-kbs="graph"] .inatom{ border-radius: 999px; background: rgba(231,237,231,.7); padding: 2px 9px; font-size: 10px; color: var(--moss-deep); }#ai-tech-block .ot-kb-slide[data-kbs="graph"] .thesis{ margin-top: 8px; font-size: 12px; line-height: 1.7; color: var(--ink-2); }#ai-tech-block .ot-kb-slide[data-kbs="graph"] .enter{ display: inline-block; margin-top: 10px; border-radius: 999px; background: var(--moss);
    color: #fff; padding: 6px 14px; font-size: 12px; font-weight: 600; }#ai-tech-block .ot-kb-slide[data-kbs="graph"] .sec{ margin-top: 14px; font-size: 11px; font-weight: 500; letter-spacing: .16em; text-transform: uppercase; color: var(--ink-3); }#ai-tech-block .ot-kb-slide[data-kbs="graph"] .mcard{ width: 100%; margin-top: 8px; border: 1px solid var(--line); border-radius: 12px;
    background: var(--surface-2); padding: 10px 12px; text-align: left; transition: all .2s; cursor: default; }#ai-tech-block .ot-kb-slide[data-kbs="graph"] .mcard.active{ border-color: var(--amber); background: rgba(246,236,216,.45); }#ai-tech-block .ot-kb-slide[data-kbs="graph"] .mcard .m-t{ display: flex; align-items: center; gap: 8px; }#ai-tech-block .ot-kb-slide[data-kbs="graph"] .mcard .m-d{ width: 9px; height: 9px; transform: rotate(45deg); border: 1.5px solid #fff; flex-shrink: 0; }#ai-tech-block .ot-kb-slide[data-kbs="graph"] .mcard .m-name{ font-size: 13px; font-weight: 500; color: var(--ink); }#ai-tech-block .ot-kb-slide[data-kbs="graph"] .mcard .m-n{ margin-left: auto; font-size: 11px; color: var(--ink-3); flex-shrink: 0; }#ai-tech-block .ot-kb-slide[data-kbs="graph"] .mcard .m-other{ margin-top: 5px; font-size: 11px; line-height: 1.6; color: var(--ink-3); }#ai-tech-block .ot-kb-slide[data-kbs="graph"] .mcard .m-other b{ color: var(--moss); font-weight: 500; }#ai-tech-block .ot-kb-slide[data-kbs="graph"] .foot{ margin-top: 12px; font-size: 12px; color: var(--ink-3); text-align: center; }
#ai-tech-block .ot-kb-slide[data-kbs="bookshelf"], #ai-tech-block .ot-kb-slide[data-kbs="bookshelf"] *{ margin: 0; padding: 0; box-sizing: border-box; }#ai-tech-block .ot-kb-slide[data-kbs="bookshelf"]{
    --paper: #faf6ef; --paper-2: #f4ede1; --surface: #ffffff;
    --ink: #2a241d; --ink-2: #55493c; --ink-3: #8a7d6b; --line: #e6ddcc;
    --moss: #3d5a4a; --moss-deep: #2f4a3d; --moss-soft: #e7ede7;
    --amber: #c9962e; --amber-deep: #a9781f;
    --serif: "Noto Serif SC", "Songti SC", "SimSun", serif;
    --sans: ui-sans-serif, system-ui, "PingFang SC", "Microsoft YaHei", sans-serif;
  }#ai-tech-block .ot-kb-slide[data-kbs="bookshelf"]{ height: 100%; }#ai-tech-block .ot-kb-slide[data-kbs="bookshelf"]{ background: var(--paper); font-family: var(--sans); color: var(--ink); overflow: hidden; }#ai-tech-block .ot-kb-slide[data-kbs="bookshelf"] .kbfit{ position: absolute; inset: 0; overflow: hidden; }#ai-tech-block .ot-kb-slide[data-kbs="bookshelf"] .kbstage{
    position: absolute; left: 50%; top: 50%; transform-origin: center;
    width: 1440px; height: 900px; background: var(--paper);
    display: flex; justify-content: center;
  }#ai-tech-block .ot-kb-slide[data-kbs="bookshelf"] .page{ width: 100%; max-width: 1180px; padding: 40px 40px 28px; display: flex; flex-direction: column; }#ai-tech-block .ot-kb-slide[data-kbs="bookshelf"] .eyebrow{ font-size: 12px; font-weight: 500; letter-spacing: .2em; text-transform: uppercase; color: var(--amber-deep); }#ai-tech-block .ot-kb-slide[data-kbs="bookshelf"] .title{ margin-top: 6px; font-family: var(--serif); font-size: 34px; font-weight: 600; }#ai-tech-block .ot-kb-slide[data-kbs="bookshelf"] .cats{ display: flex; gap: 8px; margin-top: 20px; flex-wrap: wrap; }#ai-tech-block .ot-kb-slide[data-kbs="bookshelf"] .cat{ border-radius: 999px; padding: 6px 15px; font-size: 12.5px; color: var(--ink-2);
    background: var(--paper-2); cursor: default; transition: color .25s, background .25s, transform .25s; }#ai-tech-block .ot-kb-slide[data-kbs="bookshelf"] .cat.on{ background: var(--moss); color: #fff; box-shadow: 0 3px 10px rgba(61,90,74,.25); }#ai-tech-block .ot-kb-slide[data-kbs="bookshelf"] .cat .n{ opacity: .75; }#ai-tech-block .ot-kb-slide[data-kbs="bookshelf"] .view{ flex: 1; margin-top: 16px; min-height: 0; position: relative; overflow: hidden; }#ai-tech-block .ot-kb-slide[data-kbs="bookshelf"] .view::after{ content: ""; position: absolute; inset: auto 0 0 0; height: 56px; pointer-events: none;
    background: linear-gradient(180deg, transparent, var(--paper)); z-index: 2; }#ai-tech-block .ot-kb-slide[data-kbs="bookshelf"] .view::before{ content: ""; position: absolute; inset: 0 0 auto 0; height: 56px; pointer-events: none;
    background: linear-gradient(180deg, var(--paper), transparent); z-index: 2; }#ai-tech-block .ot-kb-slide[data-kbs="bookshelf"] .track{ display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }#ai-tech-block .ot-kb-slide[data-kbs="bookshelf"] .bk{ border-radius: 12px; overflow: hidden; background: var(--surface);
    border: 1px solid var(--line); box-shadow: 0 1px 2px rgba(42,36,29,.05); transition: transform .18s, box-shadow .18s; }#ai-tech-block .ot-kb-slide[data-kbs="bookshelf"] .bk:hover{ transform: translateY(-3px); box-shadow: 0 10px 26px rgba(42,36,29,.10); border-color: #d8ccb4; }#ai-tech-block .ot-kb-slide[data-kbs="bookshelf"] .covwrap{ position: relative; aspect-ratio: 3/4; overflow: hidden; background: var(--paper-2); }#ai-tech-block .ot-kb-slide[data-kbs="bookshelf"] .covwrap img{ width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .3s; }#ai-tech-block .ot-kb-slide[data-kbs="bookshelf"] .bk:hover .covwrap img{ transform: scale(1.04); }#ai-tech-block .ot-kb-slide[data-kbs="bookshelf"] .cat-badge{ position: absolute; left: 7px; top: 7px; border-radius: 999px; background: rgba(250,246,239,.92);
    padding: 2px 8px; font-size: 10px; font-weight: 500; color: var(--moss-deep); backdrop-filter: blur(3px); }#ai-tech-block .ot-kb-slide[data-kbs="bookshelf"] .bads{ position: absolute; right: 7px; top: 7px; display: flex; flex-direction: column; gap: 4px; align-items: flex-end; }#ai-tech-block .ot-kb-slide[data-kbs="bookshelf"] .bdg{ border-radius: 999px; padding: 1.5px 8px; font-size: 9.5px; font-weight: 500; }#ai-tech-block .ot-kb-slide[data-kbs="bookshelf"] .bdg.read{ background: rgba(201,150,46,.92); color: #fff; }#ai-tech-block .ot-kb-slide[data-kbs="bookshelf"] .bdg.audio{ background: rgba(61,90,74,.92); color: #fff; }#ai-tech-block .ot-kb-slide[data-kbs="bookshelf"] .bdg.sum{ background: rgba(250,246,239,.92); color: var(--ink-2); backdrop-filter: blur(3px); }#ai-tech-block .ot-kb-slide[data-kbs="bookshelf"] .bdg.deep{ background: rgba(250,246,239,.92); color: var(--ink-3); backdrop-filter: blur(3px); }#ai-tech-block .ot-kb-slide[data-kbs="bookshelf"] .bk .bt{ padding: 9px 10px 10px; font-family: var(--serif); font-size: 13.5px; font-weight: 600;
    line-height: 1.35; color: var(--ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }#ai-tech-block .ot-kb-slide[data-kbs="bookshelf"] .foot{ margin-top: 14px; font-size: 12px; color: var(--ink-3); text-align: center; }
#ai-tech-block .ot-kb-slide[data-kbs="spider"]{color-scheme:dark;--bg:#090a0a;--panel:#101112;--border:#292a2c;--muted:#8a8b8d;--text:#e5e6e7;--pink:#f34a87;--code:#44d79c;--model:#db8c73;--you:#f0ca57;font-family:Consolas,'Cascadia Code','Courier New',monospace,'Microsoft YaHei','PingFang SC','Noto Sans CJK SC','WenQuanYi Micro Hei';font-size:12px}#ai-tech-block .ot-kb-slide[data-kbs="spider"], #ai-tech-block .ot-kb-slide[data-kbs="spider"] *{box-sizing:border-box}#ai-tech-block .ot-kb-slide[data-kbs="spider"]{margin:0;background:var(--bg);color:var(--text)}#ai-tech-block .ot-kb-slide[data-kbs="spider"] button, #ai-tech-block .ot-kb-slide[data-kbs="spider"] input, #ai-tech-block .ot-kb-slide[data-kbs="spider"] select, #ai-tech-block .ot-kb-slide[data-kbs="spider"] textarea{font:inherit}#ai-tech-block .ot-kb-slide[data-kbs="spider"] button, #ai-tech-block .ot-kb-slide[data-kbs="spider"] a, #ai-tech-block .ot-kb-slide[data-kbs="spider"] select, #ai-tech-block .ot-kb-slide[data-kbs="spider"] input{touch-action:manipulation}#ai-tech-block .ot-kb-slide[data-kbs="spider"] button, #ai-tech-block .ot-kb-slide[data-kbs="spider"] select{color:var(--text);background:#151618;border:1px solid var(--border);padding:8px 12px;cursor:pointer;border-radius:0}#ai-tech-block .ot-kb-slide[data-kbs="spider"] button:hover, #ai-tech-block .ot-kb-slide[data-kbs="spider"] select:hover{border-color:#737477}#ai-tech-block .ot-kb-slide[data-kbs="spider"] button:focus-visible, #ai-tech-block .ot-kb-slide[data-kbs="spider"] a:focus-visible, #ai-tech-block .ot-kb-slide[data-kbs="spider"] input:focus-visible, #ai-tech-block .ot-kb-slide[data-kbs="spider"] textarea:focus-visible, #ai-tech-block .ot-kb-slide[data-kbs="spider"] canvas:focus-visible{outline:2px solid var(--pink);outline-offset:4px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] button.primary{background:var(--pink);border-color:var(--pink);color:#090a0a;font-weight:bold}#ai-tech-block .ot-kb-slide[data-kbs="spider"] a{color:var(--muted);text-decoration:none}#ai-tech-block .ot-kb-slide[data-kbs="spider"] a:hover{color:var(--pink)}#ai-tech-block .ot-kb-slide[data-kbs="spider"] button.quiet{border-color:transparent;background:transparent;color:var(--muted);padding:6px 8px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .topbar{height:62px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border);padding:0 28px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .wordmark{display:flex;align-items:center;gap:12px;letter-spacing:.8px;color:#eee;font-weight:bold;font-size:14px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .wordmark svg{width:25px;height:25px;fill:none;stroke:var(--pink);stroke-width:1.2}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .wordmark span{color:#666;font-size:9px;font-weight:normal;border-left:1px solid var(--border);padding-left:14px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .top-actions{display:flex;align-items:center;gap:18px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .local{font-size:10px;color:var(--muted);letter-spacing:1px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .local i, #ai-tech-block .ot-kb-slide[data-kbs="spider"] .footnote i{display:inline-block;width:5px;height:5px;background:var(--code);margin-right:8px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .workspace{display:grid;grid-template-columns:minmax(0,1fr) 320px;max-width:1700px;margin:auto;min-height:calc(100% - 62px)}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .viewer{padding:13px 24px 18px;min-width:0;display:flex;flex-direction:column;align-items:center;border-right:1px solid var(--border)}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .view-heading{display:flex;justify-content:space-between;align-items:center;width:100%;max-width:1050px;color:var(--muted);font-size:9px;letter-spacing:.9px;padding-bottom:10px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .pink-dot{display:inline-block;width:5px;height:5px;margin-right:8px;background:var(--pink)}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .view-heading button{font-size:10px;letter-spacing:0}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .stage-host{height:calc(100% - 210px);min-height:380px;max-height:1350px;width:100%;display:flex;justify-content:center;align-items:center;gap:14px;overflow:hidden;background:#080909}#ai-tech-block .ot-kb-slide[data-kbs="spider"] #scene{display:block;width:auto;height:auto;max-width:100%;max-height:100%;aspect-ratio:2160/943;object-fit:contain;cursor:crosshair}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .transport{width:100%;max-width:1050px;border-top:1px solid var(--border);padding-top:12px;margin-top:12px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .transport-top, #ai-tech-block .ot-kb-slide[data-kbs="spider"] .transport-bottom{display:flex;align-items:center;justify-content:space-between}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .playback{display:flex;align-items:center;gap:10px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .playback button{font-size:11px;min-width:58px;padding:7px 12px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .time{color:var(--muted);font-size:10px;font-variant-numeric:tabular-nums}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .playback label{font-size:10px;color:var(--muted)}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .playback select{padding:5px 6px;font-size:11px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .check{display:flex;gap:5px;align-items:center}#ai-tech-block .ot-kb-slide[data-kbs="spider"] input[type=checkbox]{accent-color:var(--pink)}#ai-tech-block .ot-kb-slide[data-kbs="spider"] input[type=range]{accent-color:var(--pink);height:3px;cursor:pointer;margin:18px 0;width:100%;display:block}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .transport-bottom{font-size:9px;color:#777;gap:10px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .transport-bottom b{font-weight:normal;padding:0 5px;color:#444}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .inspector{padding:26px 24px;overflow:auto;max-height:calc(100% - 62px)}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .eyebrow{font-size:9px;letter-spacing:1px;color:var(--pink)}#ai-tech-block .ot-kb-slide[data-kbs="spider"] h1{font-size:27px;line-height:1.5;letter-spacing:-1px;margin:17px 0 12px;font-weight:500}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .panel-intro p{font-size:11px;line-height:1.9;color:var(--muted);margin-bottom:22px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .control-section{border-top:1px solid var(--border);padding-top:17px;margin-top:19px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .section-title{display:flex;justify-content:space-between;font-size:11px;letter-spacing:.6px;margin-bottom:14px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .section-title>span{color:#57595a;font-size:10px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .segmented{display:flex;border:1px solid var(--border);padding:3px;gap:3px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .segmented button{flex:1;background:none;border-color:transparent;padding:8px 2px;font-size:11px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .segmented button.active{background:#242125;color:var(--pink);border-color:#5c3042}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .muted{color:var(--muted);font-size:10px;line-height:1.9}#ai-tech-block .ot-kb-slide[data-kbs="spider"] p.muted{margin:10px 0 0}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .threshold-value{display:flex;justify-content:space-between;align-items:center}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .threshold-value code{color:var(--code);font-size:22px;letter-spacing:-1px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .threshold-value>span{font-size:10px;color:var(--muted)}#ai-tech-block .ot-kb-slide[data-kbs="spider"] #threshold{accent-color:var(--code);margin-bottom:14px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .filters{display:flex;gap:5px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .filters button{padding:7px 9px;font-size:10px;flex:1;background:none}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .filters button.active{border-color:#97999b;background:#202122}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .filters i{display:inline-block;width:4px;height:4px;margin-right:5px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .code-dot{background:var(--code)}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .model-dot{background:var(--model)}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .you-dot{background:var(--you)}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .selection{margin-top:14px;background:#111214;border-left:2px solid #404143;min-height:105px;padding:12px;display:flex;flex-direction:column;gap:5px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .selection strong{font-size:12px;font-weight:normal;line-height:1.7}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .selection .selected-word{color:var(--pink);font-size:20px;word-break:break-word}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .selection dl{margin:3px 0 0;display:grid;grid-template-columns:40px 1fr;gap:7px;font-size:10px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .selection dt{color:var(--muted)}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .selection dd{margin:0}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .export{width:100%;text-align:left;background:none;margin-top:18px;padding:11px 12px;font-size:11px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .export span{float:right;color:var(--pink)}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .footnote{font-size:9px;line-height:2;color:#777;margin-top:16px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] #promptEditor{margin-top:14px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] #promptEditor>label{display:block;font-size:10px;color:var(--muted);margin-bottom:8px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] textarea{resize:vertical;max-height:350px;width:100%;background:#080909;border:1px solid var(--border);padding:10px;color:#ccc;font-size:11px;line-height:1.7}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .editor-actions{display:flex;justify-content:space-between;align-items:center;margin-top:8px;font-size:10px;color:var(--muted)}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .editor-actions button{font-size:10px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] dialog{max-width:600px;width:calc(100% - 36px);border:1px solid #45464a;background:#111214;color:var(--text);padding:26px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] dialog::backdrop{background:#000a;backdrop-filter:blur(5px)}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .dialog-heading{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border);padding-bottom:14px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] dialog h2{font-size:17px;font-weight:normal;margin:0}#ai-tech-block .ot-kb-slide[data-kbs="spider"] dialog p{font-size:12px;line-height:2;color:#b9babc;margin:17px 0}#ai-tech-block .ot-kb-slide[data-kbs="spider"] #toast{position:absolute;bottom:25px;left:50%;transform:translate(-50%,20px);opacity:0;pointer-events:none;background:#202122;border:1px solid #555;padding:12px 20px;font-size:11px;transition:.2s}#ai-tech-block .ot-kb-slide[data-kbs="spider"] #toast.visible{opacity:1;transform:translate(-50%,0)}#ai-tech-block .ot-kb-slide[data-kbs="spider"].zoom .stage-host{height:auto;max-height:none;overflow:visible}#ai-tech-block .ot-kb-slide[data-kbs="spider"].zoom #scene{width:2160px;height:auto;max-width:none;max-height:none;flex:none}#ai-tech-block .ot-kb-slide[data-kbs="spider"].immersive .topbar, #ai-tech-block .ot-kb-slide[data-kbs="spider"].immersive .inspector, #ai-tech-block .ot-kb-slide[data-kbs="spider"].immersive .view-heading, #ai-tech-block .ot-kb-slide[data-kbs="spider"].immersive .transport{display:none}#ai-tech-block .ot-kb-slide[data-kbs="spider"].immersive .workspace{display:block;height:100%;min-height:0}#ai-tech-block .ot-kb-slide[data-kbs="spider"].immersive .viewer{height:100%;padding:0;border:0}#ai-tech-block .ot-kb-slide[data-kbs="spider"].immersive .stage-host{height:100%;min-height:0;max-height:none}#ai-tech-block .ot-kb-slide[data-kbs="spider"].immersive #scene{height:auto;width:100%;max-height:100%}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}@media(min-height:1000px){#ai-tech-block .ot-kb-slide[data-kbs="spider"] .inspector{padding-top:40px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .control-section{margin-top:27px}}@media(max-width:1050px){#ai-tech-block .ot-kb-slide[data-kbs="spider"] .workspace{grid-template-columns:minmax(0,1fr) 280px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .viewer{padding-left:14px;padding-right:14px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .inspector{padding:22px 18px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .wordmark span{display:none}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .topbar{padding:0 18px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .view-heading>span{font-size:8px}}@media(max-width:720px){#ai-tech-block .ot-kb-slide[data-kbs="spider"] .topbar{height:52px;padding:0 14px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .wordmark{font-size:12px;gap:7px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .wordmark svg{width:21px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .top-actions{gap:8px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .top-actions .local{display:none}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .workspace{display:block;min-height:0}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .viewer{border-right:0;padding:10px 10px 16px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .stage-host{height:auto;min-height:0;max-height:none}#ai-tech-block .ot-kb-slide[data-kbs="spider"] #scene{width:100%;height:auto;max-width:700px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .inspector{max-height:none;border-top:1px solid var(--border);padding:25px 20px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .panel-intro h1 br{display:none}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .panel-intro h1{font-size:24px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .view-heading{font-size:8px;letter-spacing:0}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .view-heading button{font-size:9px;padding:6px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .transport-bottom{font-size:8px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .transport-bottom>span:first-child{max-width:65%}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .playback{gap:7px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .time{font-size:9px}#ai-tech-block .ot-kb-slide[data-kbs="spider"].immersive #scene{width:100%;height:auto;max-height:100%;object-fit:contain}}@media(prefers-reduced-motion:reduce){#ai-tech-block .ot-kb-slide[data-kbs="spider"], #ai-tech-block .ot-kb-slide[data-kbs="spider"] *{scroll-behavior:auto!important;transition:none!important}}#ai-tech-block .ot-kb-slide[data-kbs="spider"]{--drawer-width:320px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .workspace{display:block;min-height:100%}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .viewer{border-right:0}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .inspector{position:absolute;z-index:50;top:62px;right:0;bottom:0;width:var(--drawer-width);height:calc(100% - 62px);max-height:none;padding:18px 24px 28px;background:var(--bg);border-left:1px solid var(--border);box-shadow:-16px 0 42px #0004;transform:translateX(100%);visibility:hidden;transition:transform 260ms cubic-bezier(.2,.8,.2,1),visibility 0s linear 260ms;overscroll-behavior:contain}#ai-tech-block .ot-kb-slide[data-kbs="spider"].drawer-open .inspector{transform:translateX(0);visibility:visible;transition:transform 260ms cubic-bezier(.2,.8,.2,1),visibility 0s}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .drawer-heading{display:flex;align-items:center;justify-content:space-between;padding-bottom:12px;margin-bottom:20px;border-bottom:1px solid var(--border);color:var(--muted);font-size:10px;letter-spacing:.8px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .drawer-heading button{padding:4px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .drawer-heading svg, #ai-tech-block .ot-kb-slide[data-kbs="spider"] .drawer-toggle svg{display:block;width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .drawer-toggle{position:absolute;z-index:51;top:50%;right:0;display:none!important;width:34px;min-height:110px;padding:13px 6px;display:flex;align-items:center;justify-content:center;gap:12px;flex-direction:column;background:#121214;border:1px solid #454047;border-right:0;color:var(--pink);box-shadow:-5px 0 22px #0006;transform:translateY(-50%);transition:transform 260ms cubic-bezier(.2,.8,.2,1);font-size:10px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .drawer-toggle span{writing-mode:vertical-rl;letter-spacing:3px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .drawer-toggle:hover{background:#21181d;border-color:var(--pink)}#ai-tech-block .ot-kb-slide[data-kbs="spider"].drawer-open .drawer-toggle{transform:translate(calc(-1 * var(--drawer-width)),-50%)}#ai-tech-block .ot-kb-slide[data-kbs="spider"].drawer-open .drawer-toggle svg{transform:rotate(180deg)}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .drawer-backdrop{display:none;position:absolute;z-index:40;inset:0;background:#0006}#ai-tech-block .ot-kb-slide[data-kbs="spider"].immersive .drawer-toggle, #ai-tech-block .ot-kb-slide[data-kbs="spider"].immersive .drawer-backdrop{display:none}@media(max-width:1050px){#ai-tech-block .ot-kb-slide[data-kbs="spider"] .workspace{display:block;min-height:100%}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .inspector{padding:18px 24px 28px}}@media(max-width:720px){#ai-tech-block .ot-kb-slide[data-kbs="spider"]{--drawer-width:min(320px,calc(100vw - 52px))}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .inspector{top:52px;bottom:0;height:calc(100% - 52px);border-top:0;padding:16px 20px 26px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .panel-intro h1 br{display:initial}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .panel-intro h1{font-size:27px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .drawer-backdrop{display:block}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .drawer-backdrop[hidden]{display:none}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .drawer-toggle{width:32px;min-height:100px}}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .live-session .stage-host{background:var(--bg)}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .live-session .viewer, #ai-tech-block .ot-kb-slide[data-kbs="spider"] .live-session .transport, #ai-tech-block .ot-kb-slide[data-kbs="spider"] .live-session .view-heading{max-width:1700px;margin-left:auto;margin-right:auto}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .live-session[data-layout=landscape] #scene{max-width:100%;max-height:100%;width:100%;height:auto;object-fit:contain}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .live-session[data-layout=square] #scene{aspect-ratio:1/1}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .live-session .live-follow{border-color:var(--pink);color:var(--pink);white-space:nowrap}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .live-session .live-follow.active{background:color-mix(in srgb,var(--pink) 12%,var(--bg))}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .live-session button:disabled{opacity:.38;cursor:default}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .live-pagination{display:flex;align-items:center;justify-content:space-between;margin:13px 0;color:var(--muted);font-size:10px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .live-pagination button{padding:5px 14px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .live-form{display:grid;gap:9px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .live-form>label, #ai-tech-block .ot-kb-slide[data-kbs="spider"] .live-route-input>label{font-size:10px;color:var(--muted)}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .live-form input:not([type=color]){min-width:0;width:100%;background:var(--bg);border:1px solid var(--border);color:var(--text);padding:9px;font-size:11px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .live-form input[type=color]{width:34px;height:28px;padding:2px;background:transparent;border:1px solid var(--border);cursor:pointer}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .live-form select{width:100%;font-size:11px;padding:9px 6px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .live-color-row{display:flex;justify-content:space-between;gap:10px;margin:4px 0}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .live-color-row>label{display:flex;align-items:center;gap:7px;color:var(--muted);font-size:10px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .live-route-input{display:grid;grid-template-columns:35px minmax(0,1fr) 34px;gap:8px;align-items:center}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .live-form>button{margin-top:5px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .live-form #configResult{color:var(--muted);font-size:10px;line-height:1.6;overflow-wrap:anywhere}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .live-form textarea:disabled{opacity:.6}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .live-import{display:block;cursor:pointer;text-align:center;border:1px solid var(--border)}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .live-import:hover{border-color:var(--pink);color:var(--pink)}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .live-detail{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.8;font-size:10px;border-top:1px solid var(--border);padding-top:10px}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .live-session .selection dd{overflow-wrap:anywhere;min-width:0}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .live-session .selection{background:var(--panel)}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .live-session textarea, #ai-tech-block .ot-kb-slide[data-kbs="spider"] .live-session select{background:var(--panel);color:var(--text)}#ai-tech-block .ot-kb-slide[data-kbs="spider"] #liveError{max-width:500px;border:1px solid var(--pink);padding:24px;line-height:2;color:var(--text)}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .live-session #scene:has(+ #liveError){display:none}@media(max-width:720px){#ai-tech-block .ot-kb-slide[data-kbs="spider"] .live-session .transport-top{gap:14px;flex-wrap:wrap}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .live-session .playback{flex-wrap:wrap}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .live-session .stage-host #scene{width:100%;height:auto;max-height:none}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .live-session .transport-bottom>span:first-child{max-width:55%}#ai-tech-block .ot-kb-slide[data-kbs="spider"] .live-session .panel-intro h1{font-size:24px}}

/* ---------- kb-1016 外壳（按钮栏 + 展示区 + 示例容器） ---------- */
#ai-tech-block .ot-kb{position:relative;z-index:10;width:100%;height:100%;display:flex;flex-direction:column;gap:clamp(8px,1vw,12px);min-height:0}
#ai-tech-block .ot-kb-bar{position:relative;display:flex;align-items:center;justify-content:center;gap:8px;flex:none;flex-wrap:wrap}
#ai-tech-block .ot-kb-btn{position:relative;display:inline-flex;align-items:baseline;gap:7px;font-family:inherit;font-size:12.5px;font-weight:600;color:#8a8069;background:rgba(255,255,255,.66);border:1px solid rgba(28,23,18,.1);border-radius:999px;padding:7px 16px;cursor:pointer;transition:background-color .3s,color .3s,box-shadow .3s,transform .3s,border-color .3s}
#ai-tech-block .ot-kb-btn i{font-style:italic;font-weight:800;font-size:11px;color:#c9ab68;letter-spacing:.5px;transition:color .3s}
#ai-tech-block .ot-kb-btn:not(.is-on):hover{color:#4a4232;border-color:rgba(185,154,82,.4);background:rgba(255,255,255,.85)}
#ai-tech-block .ot-kb-btn.is-on{background:#fff;border-color:#c9ab68;color:#171310;box-shadow:0 4px 14px rgba(165,132,60,.16);transform:translateY(-1px)}
#ai-tech-block .ot-kb-btn.is-on i{color:#b99a52}
#ai-tech-block .ot-kb-tip{position:absolute;right:0;top:50%;transform:translateY(-50%);margin-left:0;font-size:10.5px;color:#a89d84;letter-spacing:.5px;white-space:nowrap;pointer-events:none}
/* 10-16 追加：AI+知识库 专属收紧 marvis 卡片上下留白（按钮上移 + 视图更高；其他 tab 的卡片不受影响） */
#ai-tech-block .ot-why-case.is-active div[class*="WhyMarvisSection_desktopCard"]:has(.ot-kb){padding-top:18px;padding-bottom:18px}
#ai-tech-block .ot-kb-view{flex:1 1 auto;min-height:0;position:relative;border-radius:18px;overflow:hidden;background:#faf6ef;box-shadow:0 18px 40px rgba(40,32,20,.14),0 6px 14px rgba(40,32,20,.08)}
#ai-tech-block .ot-kb-inst{position:absolute;inset:0}
#ai-tech-block .ot-kb-slide{position:absolute;inset:0;display:none;overflow:hidden}
#ai-tech-block .ot-kb-slide.is-on{display:block}
#ai-tech-block .ot-kb-slide[data-kbs="spider"].is-on{display:flex;flex-direction:column}
/* spider 高度链（替代 100dvh 方案） */
#ai-tech-block .ot-kb-slide[data-kbs="spider"] .workspace{flex:1 1 auto;min-height:0;min-width:0;max-width:100%}
#ai-tech-block .ot-kb-slide[data-kbs="spider"] .topbar{flex:none}   /* 缩放档位变高时顶栏不许被压缩 */
#ai-tech-block .ot-kb-slide[data-kbs="spider"] .viewer{height:100%;min-width:0;max-width:100%}
#ai-tech-block .ot-kb-slide[data-kbs="spider"] .stage-host{flex:1 1 auto;height:auto;min-height:0;max-height:none;min-width:0;max-width:100%}
#ai-tech-block .ot-kb-slide[data-kbs="spider"] .inspector{max-height:100%}
/* 10-16 追加：缩放按钮态（到边界置灰） */
#ai-tech-block .ot-kb-slide[data-kbs="spider"] .view-heading button:disabled{opacity:.35;cursor:default}
/* 10-16 追加：「放大/缩小画布」= 档位缩放（宽度由 JS 内联控制）。
   ⚠️ zoom 下不能让 workspace/stage-host 的 min-width:auto 把画布 2160 顶出去，
   否则 view-heading 连同按钮会被推出弹窗可视区（min-width:0 已在上方加） */
#ai-tech-block .ot-kb-slide[data-kbs="spider"].zoom .stage-host{overflow:auto;align-items:flex-start;justify-content:flex-start;scrollbar-width:thin;scrollbar-color:#3c3c44 #080909}
#ai-tech-block .ot-kb-slide[data-kbs="spider"].zoom #scene{height:auto;max-width:none;max-height:none;flex:none}
/* 移动端（窄视口）收紧 */
@media (max-width:1015px){
#ai-tech-block .ot-kb{height:auto;gap:12px}
#ai-tech-block .ot-kb-bar{justify-content:center}
#ai-tech-block .ot-kb-tip{display:none}
#ai-tech-block .ot-kb-view{height:clamp(300px,74vw,440px);flex:none}
}