/*! tailwindcss v4.2.1 | MIT License | https://tailwindcss.com */
@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after{--tw-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial}::backdrop{--tw-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial}}}@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--spacing:.25rem;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before{box-sizing:border-box;border:0 solid;margin:0;padding:0}::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;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]){-webkit-appearance:button;appearance:button}::file-selector-button{-webkit-appearance: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)}.end{inset-inline-end:var(--spacing)}.transform{transform:var(--tw-rotate-x,) var(--tw-rotate-y,) var(--tw-rotate-z,) var(--tw-skew-x,) var(--tw-skew-y,)}}:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--page:#f2f1ed;--surface:#faf9f6;--surface-strong:#fffdfa;--text:#1b1b19;--muted:#65615b;--line:#d6d3cc;--accent:#dc6438;--accent-soft:#f2d1c4;--button-bg:#a93d18;--button-text:#fffaf6;--media-bg:#e7e4dd;--header:#f2f1ede0;--focus:#8e3214;--scrim:#1b1b19b8;--radius:18px;--content-width:1240px}:root[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--page:#151513;--surface:#1d1d1a;--surface-strong:#23231f;--text:#f1efe9;--muted:#aaa69d;--line:#3b3933;--accent:#ee7d51;--accent-soft:#4e2b20;--button-bg:#f08a61;--button-text:#2b1108;--media-bg:#292823;--header:#151513e0;--focus:#ffa37f;--scrim:#080807d1}@media (prefers-color-scheme:dark){:root:not([data-theme]){--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--page:#151513;--surface:#1d1d1a;--surface-strong:#23231f;--text:#f1efe9;--muted:#aaa69d;--line:#3b3933;--accent:#ee7d51;--accent-soft:#4e2b20;--button-bg:#f08a61;--button-text:#2b1108;--media-bg:#292823;--header:#151513e0;--focus:#ffa37f;--scrim:#080807d1}}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:92px}body{background:var(--page);color:var(--text);text-rendering:optimizelegibility;margin:0;font-family:ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;transition:background-color .22s,color .22s}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,input{-webkit-tap-highlight-color:transparent}:focus-visible{outline:3px solid var(--focus);outline-offset:4px}.skip-link{z-index:10;background:var(--button-bg);color:var(--button-text);border-radius:999px;padding:10px 16px;position:fixed;top:12px;left:16px;transform:translateY(-160%)}.skip-link:focus{transform:translateY(0)}.site-shell{min-height:100dvh;overflow:clip}.topbar{z-index:5;border-bottom:1px solid var(--line);background:var(--header);min-height:70px;padding:0 max(24px, calc((100vw - var(--content-width)) / 2));-webkit-backdrop-filter:blur(18px);justify-content:space-between;align-items:center;gap:24px;transition:background-color .22s,border-color .22s;display:flex;position:sticky;top:0}.brand{letter-spacing:-.02em;white-space:nowrap;align-items:center;gap:11px;font-weight:700;display:inline-flex}.brand-logo{object-fit:contain;width:40px;height:40px;display:block}.topbar-actions{align-items:center;gap:22px;display:flex}.topnav{color:var(--muted);white-space:nowrap;align-items:center;gap:28px;font-size:14px;display:flex}.topnav a{transition:color .16s}.topnav a:hover{color:var(--text)}.theme-switch{border:1px solid var(--line);background:var(--surface);border-radius:999px;flex:none;align-items:center;gap:2px;padding:3px;transition:background-color .22s,border-color .22s;display:flex}.theme-switch button{min-width:46px;min-height:32px;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:999px;padding:0 10px;font-size:12px;font-weight:700;transition:background-color .16s,color .16s,transform .16s}.theme-switch button:hover{color:var(--text)}.theme-switch button:active{transform:translateY(1px)}.theme-switch button[aria-pressed=true]{background:var(--text);color:var(--surface)}main,footer{width:min(calc(100% - 48px), var(--content-width));margin-inline:auto}.hero{grid-template-columns:minmax(0,.82fr) minmax(520px,1.18fr);align-items:center;gap:clamp(48px,7vw,104px);min-height:calc(100dvh - 70px);padding:56px 0 64px;display:grid}.hero-copy{max-width:580px}.eyebrow{color:var(--accent);letter-spacing:.12em;text-transform:uppercase;margin:0 0 18px;font-size:13px;font-weight:700}h1,h2,h3,p{margin-top:0}h1{letter-spacing:-.055em;max-width:12ch;margin-bottom:22px;font-size:clamp(44px,5.2vw,74px);font-weight:720;line-height:1.04}.hero-summary{max-width:36ch;color:var(--muted);margin-bottom:30px;font-size:clamp(17px,1.6vw,21px);line-height:1.65}.hero-actions{flex-wrap:wrap;gap:12px;display:flex}.button{white-space:nowrap;border:1px solid #0000;border-radius:999px;justify-content:center;align-items:center;min-height:46px;padding:0 20px;font-size:15px;font-weight:700;transition:transform .16s,background-color .16s,border-color .16s;display:inline-flex}.button:active{transform:translateY(1px)}.button-primary{background:var(--button-bg);color:var(--button-text)}.button-primary:hover{transform:translateY(-1px)}.button-secondary{border-color:var(--line);background:var(--surface)}.button-secondary:hover{border-color:var(--muted)}.comparison{margin:0}.comparison-meta{color:var(--muted);justify-content:space-between;margin-bottom:10px;font-size:13px;font-weight:650;display:flex}.comparison-stage{aspect-ratio:4/3;border:1px solid var(--line);border-radius:var(--radius);background:var(--media-bg);box-shadow:0 28px 70px var(--text);position:relative;overflow:hidden}@supports (color:color-mix(in lab, red, red)){.comparison-stage{box-shadow:0 28px 70px color-mix(in srgb, var(--text) 12%, transparent)}}.comparison-image{background-color:var(--surface-strong);object-fit:contain}.comparison-image-old{z-index:1}.comparison-divider{z-index:2;top:0;bottom:0;left:var(--split);background:var(--accent);width:2px;box-shadow:0 0 0 1px var(--surface);position:absolute;transform:translate(-1px)}@supports (color:color-mix(in lab, red, red)){.comparison-divider{box-shadow:0 0 0 1px color-mix(in srgb, var(--surface) 65%, transparent)}}.comparison-divider{pointer-events:none}.comparison-divider:after{content:"↔";background:var(--accent);color:#2d1108;border-radius:50%;place-items:center;width:38px;height:38px;font-size:18px;font-weight:800;display:grid;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.comparison-control{color:var(--muted);grid-template-columns:auto minmax(120px,1fr);align-items:center;gap:18px;margin-top:16px;font-size:13px;font-weight:650;display:grid}.comparison-control input{width:100%;accent-color:var(--accent);cursor:ew-resize}.fact-strip{border-block:1px solid var(--line);grid-template-columns:repeat(4,1fr);display:grid}.fact-strip>div{text-align:center;gap:6px;padding:30px 12px;display:grid}.fact-strip>div+div{border-left:1px solid var(--line)}.fact-strip strong{letter-spacing:-.04em;font-size:clamp(24px,3vw,38px)}.fact-strip span{color:var(--muted);font-size:13px}.timeline-section,.method-section{padding:clamp(88px,10vw,140px) 0}.section-heading{max-width:720px;margin-bottom:44px}.section-heading h2{letter-spacing:-.045em;margin-bottom:16px;font-size:clamp(34px,4.6vw,58px);line-height:1.08}.section-heading p{max-width:55ch;color:var(--muted);margin-bottom:0;font-size:18px;line-height:1.7}.year-filter{z-index:4;border:1px solid var(--line);background:var(--page);border-radius:999px;align-items:center;gap:6px;width:fit-content;max-width:100%;margin-bottom:54px;display:flex;position:sticky;top:86px}@supports (color:color-mix(in lab, red, red)){.year-filter{background:color-mix(in srgb, var(--page) 88%, transparent)}}.year-filter{-webkit-backdrop-filter:blur(16px);padding:6px}.year-filter button{min-height:38px;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:999px;padding:0 15px;transition:color .16s,background-color .16s,transform .16s}.year-filter button:hover{color:var(--text)}.year-filter button:active{transform:translateY(1px)}.year-filter button[aria-pressed=true]{background:var(--button-bg);color:var(--button-text)}.result-count{color:var(--muted);white-space:nowrap;margin:0 10px 0 8px;font-size:13px}.timeline-list{position:relative}.timeline-list:before{content:"";background:var(--line);width:1px;position:absolute;top:0;bottom:0;left:154px}.timeline-entry{grid-template-columns:155px minmax(0,1fr);padding-bottom:92px;display:grid}.timeline-entry:last-child{padding-bottom:0}.timeline-date{text-align:right;padding:6px 26px 0 0;position:relative}.timeline-date time{color:var(--muted);font-variant-numeric:tabular-nums;font-size:13px;font-weight:700}.timeline-marker{border:3px solid var(--page);background:var(--accent);width:12px;height:12px;box-shadow:0 0 0 1px var(--accent);border-radius:50%;position:absolute;top:9px;right:-6px}.timeline-content{min-width:0;padding-left:clamp(32px,5vw,72px)}.entry-header{justify-content:space-between;align-items:flex-start;gap:24px;display:flex}.model-name{color:var(--accent);margin-bottom:7px;font-size:14px;font-weight:750}.entry-header h3{letter-spacing:-.035em;max-width:22ch;margin-bottom:16px;font-size:clamp(26px,3vw,40px);line-height:1.15}.track-label{background:var(--accent-soft);color:var(--text);white-space:nowrap;border-radius:999px;flex:none;padding:7px 11px;font-size:12px;font-weight:700}.track-待确认{border:1px solid var(--accent);background:0 0}.entry-summary{max-width:66ch;color:var(--muted);margin-bottom:28px;font-size:16px;line-height:1.75}.media-grid{grid-template-columns:repeat(auto-fit,minmax(min(210px,100%),1fr));gap:14px;display:grid}.media-count-1{grid-template-columns:minmax(0,760px)}.media-item{min-width:0;margin:0}.media-preview,.media-item video{aspect-ratio:4/3;border:1px solid var(--line);border-radius:var(--radius);background:var(--media-bg);width:100%;display:block;overflow:hidden}.media-item img,.media-item video{object-fit:contain;width:100%;height:100%}.media-preview{-webkit-appearance:none;appearance:none;cursor:zoom-in;padding:0;transition:transform .18s,border-color .18s}.media-preview:hover{border-color:var(--accent);transform:translateY(-2px)}.media-preview:active{transform:translateY(0)}.media-item figcaption{color:var(--muted);margin-top:9px;font-size:12px;line-height:1.4}.source-links{flex-wrap:wrap;gap:10px 20px;margin-top:22px;display:flex}.source-links a,.caveat a,footer a{color:var(--text);text-decoration:underline;-webkit-text-decoration-color:var(--accent);text-decoration-color:var(--accent);text-underline-offset:4px;font-size:13px;font-weight:700;text-decoration-thickness:2px}.method-section{border-top:1px solid var(--line)}.method-grid{grid-template-columns:1.25fr .75fr;gap:0 clamp(36px,8vw,120px);display:grid}.method-grid article{border-top:1px solid var(--line);padding:28px 0 36px}.method-grid article:nth-child(2),.method-grid article:nth-child(3){margin-top:48px}.method-grid h3{letter-spacing:-.025em;margin-bottom:10px;font-size:22px}.method-grid p{max-width:44ch;color:var(--muted);margin-bottom:0;line-height:1.7}.caveat{border-radius:var(--radius);background:var(--accent-soft);grid-template-columns:minmax(160px,.55fr) minmax(260px,1.25fr) auto;align-items:start;gap:30px;margin-top:72px;padding:clamp(28px,5vw,54px);display:grid}.caveat strong{font-size:22px;line-height:1.25}.caveat p{color:var(--muted);margin-bottom:0;line-height:1.7}.caveat a{white-space:nowrap}footer{border-top:1px solid var(--line);color:var(--muted);justify-content:space-between;align-items:center;gap:24px;padding:34px 0 48px;font-size:13px;display:flex}footer p{margin-bottom:0}.preview-dialog{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);width:min(100% - 32px,1080px);max-width:none;max-height:calc(100dvh - 32px);color:var(--text);box-shadow:0 28px 90px var(--text);padding:0;overflow:hidden}@supports (color:color-mix(in lab, red, red)){.preview-dialog{box-shadow:0 28px 90px color-mix(in srgb, var(--text) 22%, transparent)}}.preview-dialog::backdrop{background:var(--scrim);-webkit-backdrop-filter:blur(8px)}.preview-dialog-inner{grid-template-rows:auto minmax(0,1fr) auto;max-height:calc(100dvh - 34px);display:grid}.preview-dialog-header,.preview-dialog-footer{justify-content:space-between;align-items:center;gap:24px;padding:18px 22px;display:flex}.preview-dialog-header{border-bottom:1px solid var(--line)}.preview-dialog-header>div{gap:3px;display:grid}.preview-dialog-header strong{font-size:15px}.preview-dialog-header span,.preview-dialog-footer p{color:var(--muted);font-size:12px}.preview-dialog-header button{border:1px solid var(--line);background:var(--surface-strong);min-height:36px;color:var(--text);cursor:pointer;border-radius:999px;padding:0 14px;font-size:13px;font-weight:700;transition:border-color .16s,transform .16s}.preview-dialog-header button:hover{border-color:var(--accent)}.preview-dialog-header button:active{transform:translateY(1px)}.preview-dialog-media{background:var(--media-bg);place-items:center;min-height:0;padding:clamp(16px,3vw,36px);display:grid;overflow:auto}.preview-dialog-media img{object-fit:contain;width:auto;max-width:100%;height:auto;max-height:calc(100dvh - 230px);display:block}.preview-dialog-footer{border-top:1px solid var(--line);align-items:flex-start}.preview-dialog-footer p{max-width:70ch;margin-bottom:0;line-height:1.5}.preview-dialog-footer a{color:var(--text);text-decoration:underline;-webkit-text-decoration-color:var(--accent);text-decoration-color:var(--accent);text-underline-offset:4px;white-space:nowrap;flex:none;font-size:13px;font-weight:700;text-decoration-thickness:2px}@media (prefers-reduced-motion:no-preference){.preview-dialog[open]{animation:.18s cubic-bezier(.16,1,.3,1) dialog-enter}.preview-dialog[open]::backdrop{animation:.18s ease-out backdrop-enter}@supports (animation-timeline:view()){.timeline-entry{animation:linear both timeline-reveal;animation-timeline:view();animation-range:entry 5% cover 24%}}}@keyframes dialog-enter{0%{opacity:0;transform:translateY(12px)scale(.985)}to{opacity:1;transform:translateY(0)scale(1)}}@keyframes backdrop-enter{0%{opacity:0}to{opacity:1}}@keyframes timeline-reveal{0%{opacity:.25;transform:translateY(28px)}to{opacity:1;transform:translateY(0)}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}@media (max-width:980px){.hero{grid-template-columns:1fr;gap:48px;min-height:auto;padding:76px 0 80px}.hero-copy{max-width:720px}h1{max-width:15ch}.comparison{max-width:760px}.method-grid{grid-template-columns:1fr 1fr;gap:0 32px}.method-grid article:nth-child(2),.method-grid article:nth-child(3){margin-top:0}.caveat{grid-template-columns:1fr 2fr}.caveat a{grid-column:2}}@media (max-width:720px){.topbar{min-height:62px;padding-inline:18px}.brand span:last-child{display:none}.topbar-actions{gap:12px}.topnav{gap:16px}.topnav a:nth-child(2){display:none}main,footer{width:min(calc(100% - 32px), var(--content-width))}.hero{padding:52px 0 64px}h1{max-width:11ch;font-size:clamp(40px,12vw,58px)}.comparison-control{grid-template-columns:1fr;gap:10px}.fact-strip{grid-template-columns:1fr 1fr}.fact-strip>div:nth-child(3){border-left:0;border-top:1px solid var(--line)}.fact-strip>div:nth-child(4){border-top:1px solid var(--line)}.timeline-section,.method-section{padding:84px 0}.section-heading{margin-bottom:34px}.section-heading p{font-size:16px}.year-filter{width:100%;top:74px;overflow-x:auto}.year-filter button{padding-inline:13px}.result-count{margin-left:auto}.timeline-list:before{left:5px}.timeline-entry{grid-template-columns:1fr;padding:0 0 72px 28px}.timeline-date{text-align:left;padding:0 0 16px}.timeline-marker{top:3px;left:-28px;right:auto}.timeline-content{padding-left:0}.entry-header{gap:2px;display:grid}.entry-header h3{max-width:18ch;font-size:30px}.track-label{grid-row:1;width:fit-content;margin-bottom:12px}.media-grid,.media-count-1,.method-grid,.caveat{grid-template-columns:1fr}.method-grid article{padding:24px 0 30px}.caveat{gap:16px;margin-top:52px}.caveat a{grid-column:auto}footer{flex-direction:column;align-items:flex-start}.preview-dialog{width:calc(100% - 16px);max-height:calc(100dvh - 16px)}.preview-dialog-inner{max-height:calc(100dvh - 18px)}.preview-dialog-header,.preview-dialog-footer{padding:14px 16px}.preview-dialog-media{padding:12px}.preview-dialog-media img{max-height:calc(100dvh - 230px)}.preview-dialog-footer{flex-direction:column;align-items:flex-start;gap:10px}}@media (max-width:430px){.topnav a:last-child{display:none}.brand-logo{width:36px;height:36px}.theme-switch button{min-width:40px;padding-inline:8px}.hero-actions{grid-template-columns:1fr 1fr;display:grid}.comparison-meta{font-size:11px}.year-filter{border-radius:var(--radius)}.result-count{display:none}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}