/* SteadySnap · 静帧档案室：档案纸白、石墨黑、信号绿；不对称记录带、取景框角标、时间码。 */
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/* 独立文档页：桌面端固定索引，移动端将模块菜单转换为横向滚动导航。 */
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/* 参考 ncduwin 风格：轻量开源项目官网的白色导航、深色居中首屏、浅色内容分区、圆角卡片与窄文本宽度。 */
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/* 文档页风格同步：延续参考站点的冷白背景、轻圆角、浅阴影和窄内容宽度，信息布局仍为左菜单右内容。 */
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/* 录像摄影主页：让产品像一台安静待命的摄影机——取景器、时间码、REC 灯、曝光参数与细颗粒覆盖所有主画面。 */
.reference-home{background:#f1f2ed;color:#1b2628}.reference-home:before{content:"";position:fixed;inset:0;z-index:30;pointer-events:none;opacity:.06;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.55'/%3E%3C/svg%3E");mix-blend-mode:multiply}.reference-hero{position:relative;overflow:hidden;background:#111a1d;min-height:560px}.reference-hero:before{content:"";position:absolute;inset:0;opacity:.23;background:radial-gradient(circle at 25% 30%,#667976 0 1px,transparent 1px),linear-gradient(110deg,transparent 0 55%,rgba(68,229,142,.08) 55% 55.2%,transparent 55.2%);background-size:18px 18px,100% 100%}.reference-hero:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.26),transparent 28%,transparent 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#536e65;transform:rotate(45deg)}.aperture-mark:after{transform:rotate(-45deg)}.aperture-mark span:before{transform:rotate(90deg)}.aperture-mark span:after{transform:rotate(0deg)}.aperture-mark i{position:absolute;left:50%;top:50%;width:7px;height:7px;border:1px solid var(--green);border-radius:50%;transform:translate(-50%,-50%)}.section-title h2{font-family:var(--display);letter-spacing:-.08em}.section-title>span{color:#d85d4d}.preview-section{background:#e9ebe7;position:relative}.preview-section:before{content:"24 FPS　　1/60　　ISO 400　　F2.8";display:block;max-width:960px;margin:-22px auto 19px;text-align:right;color:#8c9990;font:9px var(--mono);letter-spacing:.08em}.preview-placeholder{border-radius:2px;background:#10191b;border-color:#41524f;box-shadow:8px 8px 0 #c9d0ca;aspect-ratio:16/9;height:auto;color:#d6e2db}.preview-placeholder:before{border-color:#60736c}.preview-placeholder:after{background:linear-gradient(145deg,transparent 49%,#39514a 50%,transparent 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@keyframes rec-blink{50%{opacity:.22}}
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/* 可替换图片：默认显示占位；对应文件存在并加载成功后覆盖占位内容。 */
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