| round()mod()rem() | Stage 2 | 125 | 125 | 15.4 | 118 | 111 | @csstools/postcss-stepped-value-functions | 部分可降级 | 8 | function-disallowed-list |
| light-dark | Stage 2 | 123 | 123 | 17.5 | 120 | 109 | @csstools/postcss-light-dark-function | 无法完美降级 | 8 | function-disallowed-list |
| nesting | Stage 2 | 120 | 120 | 17.2 | 117 | 106 | postcss-nesting | 完美降级 | 8 | max-nesting-depth |
| pow()sqrt()hypot()log()exp() | Stage 2 | 120 | 120 | 15.4 | 118 | 106 | @csstools/postcss-exponential-functions | 部分可降级 | 8 | function-disallowed-list |
| :dir | Stage 2 | 120 | 120 | 16.4 | 17 | 106 | postcss-dir-pseudo-class | 优雅降级 | 8 | selector-pseudo-class-disallowed-list |
| Relative Color Syntax | Stage 2 | 119 | 119 | 16.4 | 128 | 106 | @csstools/postcss-relative-color-syntax | 部分可降级 | 8 | declaration-property-value-disallowed-list |
| @scope | | 118 | 118 | 17.4 | | 104 | | 无法完美降级 | 8 | at-rule-disallowed-list |
| PostCSS Logical Resize | Stage 2 | 118 | 118 | 16 | 63 | 104 | @csstools/postcss-logical-resize | 优雅降级 | 8 | declaration-property-value-allowed-list |
| Logical Float And Clear | Stage 2 | 118 | 118 | 15 | 55 | 104 | @csstools/postcss-logical-float-and-clear | 完美降级 | 8 | declaration-property-value-allowed-list |
| font-variant | Stage 4 | 117 | 117 | 9.1 | 34 | 103 | postcss-font-variant | 优雅降级 | 8 | declaration-property-value-disallowed-list |
| display multi-keyword | Stage 2 | 115 | 115 | 15 | 70 | 101 | @csstools/postcss-normalize-display-values | 部分可降级 | 8 | declaration-property-value-allowed-list |
| image-set | Stage 2 | 113 | 113 | 10 | 88 | 99 | postcss-image-set-function | 完美降级 | 8 | function-disallowed-list |
| lab()lch() | Stage 2 | 111 | 111 | 15 | 113 | 98 | postcss-lab-function | 优雅降级 | 8 | function-disallowed-list |
| oklab()oklch() | Stage 2 | 111 | 111 | 15.4 | 113 | 97 | @csstools/postcss-oklab-function | 优雅降级 | 8 | function-disallowed-list |
| sin()cos()tan()... | Stage 2 | 111 | 111 | 15.4 | 108 | 97 | @csstools/postcss-trigonometric-functions | 部分可降级 | 8 | function-disallowed-list |
| color-mix() | Stage 2 | 111 | 111 | 16.2 | 113 | 97 | @csstools/postcss-color-mix-function | 完美降级 | 8 | function-disallowed-list |
| color() | Stage 2 | 111 | 111 | 15 | 113 | 97 | @csstools/postcss-color-function | 部分可降级 | 8 | function-disallowed-list |
| conic-gradient() | Stage 2 | 111 | 111 | 16.2 | 127 | 97 | @csstools/postcss-gradients-interpolation-method | 优雅降级 | 8 | function-disallowed-list |
| media-queries-aspect-ratio-number-values | Stage 2 | 110 | 110 | 16.4 | 78 | | @csstools/postcss-media-queries-aspect-ratio-number-values | 完美降级 | 8 | |
| Constants pi e ... | Stage 2 | 110 | 110 | 16 | 114 | 96 | | 没有插件 | | |
| Font Format Keyword | Stage 2 | 108 | 108 | 4 | | 94 | @csstools/postcss-font-format-keywords | 完美降级 | 8 | |
| vi vb | Stage 2 | 108 | 108 | 15.4 | 101 | 94 | @csstools/postcss-logical-viewport-units | 优雅降级 | 8 | unit-disallowed-list |
| ic | Stage 2 | 106 | 106 | 15.4 | 97 | 92 | @csstools/postcss-ic-unit | 优雅降级 | 8 | unit-disallowed-list |
| @container | Stage 2 | 105 | 105 | 16 | 110 | 91 | | 没有插件 | | at-rule-disallowed-list |
| :has | Stage 2 | 105 | 105 | 15.4 | 121 | 91 | css-has-pseudo | JS 降级 | 8 | selector-pseudo-class-disallowed-list |
| Media Queries: Range Syntax | Stage 3 | 104 | 104 | 16.4 | 63 | 91 | @csstools/postcss-media-minmax | 完美降级 | 8 | |
| hwb() | Stage 2 | 101 | 101 | 15 | 96 | 87 | @csstools/postcss-hwb-function | 完美降级 | 8 | function-disallowed-list |
| @layer | Stage 2 | 99 | 99 | 15.4 | 97 | 86 | @csstools/postcss-cascade-layers | 无法完美降级 | 8 | at-rule-disallowed-list |
| overflow clip | | 90 | 90 | 16 | 81 | 76 | postcss-overflow-clip | 优雅降级 | 8 | declaration-property-value-disallowed-list |
| Logical Properties | Stage 2 | 89 | 89 | 15 | 66 | 76 | postcss-logical | 优雅降级 | 8 | |
| :not | Stage 2 | 88 | 88 | 9 | 84 | 75 | postcss-selector-not | 无法完美降级 | 8 | selector-pseudo-class-disallowed-list |
| :is | Stage 2 | 88 | 88 | 14 | 78 | 75 | @csstools/postcss-is-pseudo-class | 无法完美降级 | 8 | selector-pseudo-class-disallowed-list |
| :where | Stage 2 | 88 | 88 | 14 | 78 | 74 | | 没有插件 | 8 | selector-pseudo-class-disallowed-list |
| :focus-visible | Stage 2 | 86 | 86 | 15.4 | 4 | 72 | postcss-focus-visible | JS 降级 | 8 | selector-pseudo-class-disallowed-list |
| clamp() | Stage 2 | 79 | 79 | 13.1 | 75 | 66 | postcss-clamp | 部分可降级 | 8 | function-disallowed-list |
| opacity percentage | Stage 2 | 78 | 79 | 13.1 | 70 | 65 | postcss-opacity-percentage | 完美降级 | 8 | declaration-property-value-allowed-list |
| Logical Overscroll Behavior | Stage 2 | 77 | 79 | 16 | 73 | 64 | @csstools/postcss-logical-overscroll-behavior | | 8 | declaration-property-value-allowed-list |
| Double position linear-gradient | Stage 2 | 71 | 79 | 12.1 | 64 | 58 | postcss-double-position-gradients | 完美降级 | 8 | |
| overflow-shorthand | Stage 2 | 68 | 79 | 13.1 | 61 | 55 | postcss-overflow-shorthand | 完美降级 | 8 | declaration-property-value-allowed-list |
| Color Functional Notation | Stage 2 | 65 | 79 | 12.1 | 52 | 52 | postcss-color-functional-notation | 完美降级 | 8 | |
| hex-alpha | Stage 2 | 62 | 79 | 10 | 49 | 10 | postcss-color-hex-alpha | 完美降级 | 8 | color-hex-alpha |
| :focus-within | Stage 2 | 60 | 79 | 10.1 | 52 | 47 | postcss-focus-within | JS 降级 | 8 | selector-pseudo-class-disallowed-list |
| place-content | Stage 2 | 59 | 79 | 9 | 45 | 46 | postcss-place | 完美降级 | 8 | declaration-property-value-disallowed-list |
| place-self | Stage 2 | 59 | 79 | 11 | 45 | 46 | postcss-place | 完美降级 | 8 | declaration-property-value-disallowed-list |
| flow-root | | 58 | 125 | 79 | 13 | 53 | postcss-flow-root | 部分可降级 | 6 | declaration-property-value-allowed-list |
| PostCSS Text Decoration Shorthand | Stage 2 | 57 | 79 | 8 | 6 | 44 | @csstools/postcss-text-decoration-shorthand | 优雅降级 | 8 | declaration-property-value-allowed-list |
| Grid Gap | Stage 3 | 57 | 16 | 10.1 | 52 | 44 | postcss-gap-properties | 完美降级 | 8 | declaration-property-value-disallowed-list |
| Grid Layout | Stage 3 | 57 | 10 | 10.1 | 52 | 44 | autoprefixer | 无法完美降级 | 8 | declaration-property-value-disallowed-list |
| calc(calc()) | Stage 2 | 51 | 16 | 11 | 48 | 38 | @csstools/postcss-nested-calc | 完美降级 | 8 | function-disallowed-list |
| break-inside | Stage 3 | 50 | 10 | 10 | 92 | 11.5 | postcss-page-break | 优雅降级 | 8 | declaration-property-value-disallowed-list |
| Custom Properties | Stage 3 | 49 | 15 | 9.1 | 31 | 36 | postcss-custom-properties | 部分可降级 | 8 | function-disallowed-list |
| unset | Stage 3 | 41 | 13 | 9.1 | 27 | 28 | @csstools/postcss-unset-value | 无法完美降级 | 8 | declaration-property-value-disallowed-list |
| rebeccapurple | Stage 2 | 38 | 12 | 7 | 33 | 7 | postcss-color-rebeccapurple | 完美降级 | 8 | |
| all | Stage 4 | 37 | 79 | 9.1 | 27 | 24 | @csstools/postcss-initial | 部分可降级 | 8 | declaration-property-value-disallowed-list |
| :scope | Stage 2 | 27 | 79 | 7 | 32 | 15 | @csstools/postcss-scope-pseudo-class | 部分可降级 | 8 | selector-pseudo-class-disallowed-list |
| overflow-wrap | Stage 2 | 23 | 18 | 7 | 49 | 12.1 | postcss-replace-overflow-wrap | 完美降级 | 8 | declaration-property-value-disallowed-list |
| calc() | | 19 | 9 | 6 | 4 | 15 | postcss-calc | 部分可降级 | 8 | function-disallowed-list |
| filter | | 18 | 13 | 6 | 35 | 15 | postcss-filter-fallback | 部分可降级 | 8 | declaration-property-value-allowed-list |
| any-link | Stage 2 | 15 | 79 | 6.1 | 3 | 15 | postcss-pseudo-class-any-link+auto-prefix | 完美降级 | 8 | selector-pseudo-class-disallowed-list |
| :in-range,:out-of-range | Stage 2 | 10 | 13 | 5.1 | 29 | 11 | | 没有插件 | | selector-pseudo-class-disallowed-list |
| linear-gradient | | 10 | 10 | 5.1 | 3.6 | 11.5 | postcss-filter-gradient | 部分可降级 | 6 | function-disallowed-list |
| initial | | 1 | 13 | 1.2 | 2 | 15 | @csstools/postcss-initial | 完美降级 | 8 | selector-pseudo-class-disallowed-list |
| rgba | | 1 | 9 | 3.1 | 3 | 10 | postcss-filter-background | 部分可降级 | 8 | function-disallowed-list |
| ::before::after | | 1 | 9 | 10.1 | 1.5 | 7 | postcss-pseudoelements | 部分可降级 | 6 | selector-pseudo-class-disallowed-list |
