@layer theme{:root,:host{--font-mono:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;--spacing:.25rem;--default-font-family:var(--font-body);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif,system-ui,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab,currentcolor 50%,transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.start{inset-inline-start:var(--spacing)}}:root{--background:#f1f4ec;--foreground:#1d2119;--panel:#fbfff7e6;--line:#303f271f;--accent:#27604b;--accent-soft:#d9eee4;--accent-deep:#123327;--warn:#b55a2b;--ok:#1d7a4d;--muted:#667061;--shadow:0 24px 60px #1f35221f;--font-body:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;--font-display:"Avenir Next","Segoe UI","PingFang SC",sans-serif}*{box-sizing:border-box}html{background:radial-gradient(circle at 5% 10%,#27604b29,#0000 24%),radial-gradient(circle at 90% 15%,#b55a2b1f,#0000 18%),linear-gradient(#f6f9f2 0%,#edf3e8 100%)}body{min-height:100vh;color:var(--foreground);font-family:var(--font-body),sans-serif;margin:0}main.video-home{width:min(1220px,100% - 32px);margin:0 auto;padding:48px 0 80px}.hero-panel,.capability-card,.camera-panel,.preview-panel,.result-section,.result-card,.frame-card,.diff-item,.empty-panel{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow)}.hero-panel{border-radius:28px;grid-template-columns:minmax(0,1.6fr) minmax(280px,.9fr);gap:24px;padding:28px;display:grid}.eyebrow{color:var(--accent-deep);font:700 .78rem/1 var(--font-display),sans-serif;letter-spacing:.18em;text-transform:uppercase;margin:0 0 10px}.hero-copy h1,.panel-head h2{font-family:var(--font-display),sans-serif;letter-spacing:-.04em;margin:0}.hero-copy h1{font-size:clamp(2.6rem,5vw,4.8rem);line-height:.95}.hero-text,.hero-aside p,.capability-card p,.camera-meta p,.empty-panel p{color:var(--muted);line-height:1.75}.hero-actions{flex-wrap:wrap;gap:14px;margin-top:28px;display:flex}.primary-action,.secondary-action,.camera-item{cursor:pointer;border:0}.primary-action,.secondary-action{border-radius:999px;padding:13px 18px;font-weight:700}.primary-action{background:linear-gradient(135deg,var(--accent)0%,#398064 100%);color:#f7fff8}.secondary-action{color:var(--accent-deep);background:#fffcf7db;border:1px solid #12332724}.hero-aside{background:linear-gradient(#fffcf7f0,#e2efe8f5);border-radius:24px;padding:22px}.badge{color:var(--accent-deep);background:#27604b1f;border-radius:999px;margin-bottom:16px;padding:6px 10px;font-size:.82rem;font-weight:700;display:inline-block}.hero-aside strong{font-size:1.28rem;display:block}.capability-grid,.workspace-grid,.result-grid,.frame-strip,.diff-list{gap:18px;margin-top:24px;display:grid}.capability-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.capability-card{border-radius:24px;padding:22px}.capability-card span,.result-card span{color:var(--accent-deep);font-size:.88rem;font-weight:700}.capability-card strong,.result-card strong{margin-top:14px;font-size:1.2rem;line-height:1.3;display:block}.capability-card.accent{background:linear-gradient(135deg,#e9f6f0fa,#fffbf6f0)}.workspace-grid{grid-template-columns:minmax(320px,.9fr) minmax(0,1.4fr)}.camera-panel,.preview-panel,.result-section{border-radius:28px;padding:24px}.panel-head{justify-content:space-between;align-items:baseline;gap:16px;margin-bottom:18px;display:flex}.panel-head span{color:var(--accent-deep);font-size:.9rem;font-weight:700}.camera-list{gap:12px;display:grid}.camera-item{text-align:left;background:#fffcf7b8;border:1px solid #1233271a;border-radius:20px;width:100%;padding:16px}.camera-item strong,.camera-item span,.camera-item small{display:block}.camera-item strong{font-size:1rem}.camera-item span,.camera-item small{color:var(--muted);margin-top:6px}.camera-item.active{background:linear-gradient(135deg,#e1f1e9f5,#fffbf6f5);border-color:#27604b47}.snapshot-frame{background:#f6fbf7;border:1px solid #1233271f;border-radius:20px;width:100%;display:block}.camera-meta{margin-top:16px}.tag-row{flex-wrap:wrap;gap:10px;margin-top:12px;display:flex}.tag{background:var(--accent-soft);color:var(--accent-deep);border-radius:999px;padding:6px 10px;font-size:.82rem;font-weight:700;display:inline-flex}.error-note{color:#a63c3c;margin-top:14px;font-weight:700}.result-section{margin-top:26px}.result-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.result-card{border-radius:22px;padding:20px}.result-card.ok strong{color:var(--ok)}.result-card.alert strong{color:var(--warn)}.frame-strip{grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}.frame-card{border-radius:18px;padding:10px}.frame-card img{border-radius:12px;width:100%;display:block}.frame-card figcaption{color:var(--muted);margin-top:10px;font-size:.84rem}.diff-list{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.diff-item{border-radius:18px;justify-content:space-between;align-items:center;gap:12px;padding:14px 16px;display:flex}.diff-item strong{font-size:.95rem}.diff-item span{color:var(--accent-deep);font-weight:700}.empty-panel{border-radius:24px;padding:26px}.empty-panel strong{font-size:1.1rem;display:block}@media (max-width:960px){main.video-home{width:min(100% - 24px,1220px);padding-top:26px}.hero-panel,.capability-grid,.workspace-grid,.result-grid{grid-template-columns:1fr}.hero-panel,.camera-panel,.preview-panel,.result-section,.capability-card{padding:20px}}