Beta
;}.cls-4{fill:url(%23未命名的渐变_5-2);}%3c/style%3e%3cradialGradient%20id='未命名的渐变_5'%20cx='2636.89'%20cy='2223.29'%20r='113.59'%20gradientTransform='translate(2751.11%202306.97)%20rotate(180)'%20gradientUnits='userSpaceOnUse'%3e%3cstop%20offset='0'/%3e%3cstop%20offset='1'%20stop-color='%23fff'/%3e%3c/radialGradient%3e%3cradialGradient%20id='未命名的渐变_5-2'%20cx='221.53'%20cy='135.68'%20r='113.59'%20gradientTransform='matrix(1,%200,%200,%201,%200,%200)'%20xlink:href='%23未命名的渐变_5'/%3e%3c/defs%3e%3cg%20class='cls-1'%3e%3cg%20id='图层_2'%20data-name='图层%202'%3e%3cg%20id='图层_1-2'%20data-name='图层%201'%3e%3cpath%20class='cls-2'%20d='M226.07,0a109.05,109.05,0,0,0-58.2,16.83,109.46,109.46,0,0,1,0,185.7,109.35,109.35,0,0,0,73.9,15.71c14-2,23-15.47,20.43-29.35a45.67,45.67,0,0,1-.77-7.89,46.29,46.29,0,0,1,44.92-46.48c1.18,0,2.35,0,3.51,0a24.61,24.61,0,0,0,25.88-24.36c0-.18,0-.35,0-.53A109.69,109.69,0,0,0,226.07,0Zm53.34,111.63a22.81,22.81,0,1,1,22.81-22.81A22.81,22.81,0,0,1,279.41,111.63Z'/%3e%3cpath%20class='cls-2'%20d='M219.36,109.68a109.5,109.5,0,0,0-51.49-92.85,109.47,109.47,0,0,0,0,185.7A109.5,109.5,0,0,0,219.36,109.68Z'/%3e%3cpath%20class='cls-2'%20d='M116.39,109.68a109.48,109.48,0,0,1,51.47-92.84h0a109.64,109.64,0,1,0-58.19,202.53,108.41,108.41,0,0,0,27.61-3.62,109.79,109.79,0,0,0,30.58-13.21A109.49,109.49,0,0,1,116.39,109.68Z'/%3e%3cpath%20class='cls-3'%20d='M219.36,109.69a109.51,109.51,0,0,1-51.48,92.84A132.71,132.71,0,0,0,198.46,3.63a110,110,0,0,0-30.59,13.21A109.5,109.5,0,0,1,219.36,109.69Z'/%3e%3cpath%20class='cls-4'%20d='M116.39,109.68a109.48,109.48,0,0,1,51.47-92.84,132.72,132.72,0,0,0-30.57,198.9,109.79,109.79,0,0,0,30.58-13.21A109.49,109.49,0,0,1,116.39,109.68Z'/%3e%3c/g%3e%3c/g%3e%3c/g%3e%3c/svg%3e)
纸张大小 #标准
ISO 216 标准：国际标准化组织的ISO 216定义了今日世界上大多数国家所使用纸张尺寸的国际标准。它就是定义了知名的A4纸张尺寸的标准。
| A系列 | B系列 | C系列 | |||
|---|---|---|---|---|---|
| A0 | 841×1189 | B0 | 1000×1414 | C0 | 917×1297 |
| A1 | 594×841 | B1 | 707×1000 | C1 | 648×917 |
| A2 | 420×594 | B2 | 500×707 | C2 | 458×648 |
| A3 | 297×420 | B3 | 353×500 | C3 | 324×458 |
| A4 | 210×297 | B4 | 250×353 | C4 | 229×324 |
| A5 | 148×210 | B5 | 176×250 | C5 | 162×229 |
| A6 | 105×148 | B6 | 125×176 | C6 | 114×162 |
| A7 | 74×105 | B7 | 88×125 | C7 | 81×114 |
| A8 | 52×74 | B8 | 62×88 | C8 | 57×81 |
| A9 | 37×52 | B9 | 44×62 | C9 | 40×57 |
| A10 | 26×37 | B10 | 31×44 | C10 | 28×40 |
®