/* 链节图标 —— 从《极限接龙_卡面母版_双色v2.html》的 :root 逐字提取,勿手改。
   环 13.2×8.6 / 线宽 2.6 / 环距 8.7,相邻环交替穿插缺口;环数=难度。
   lkv* = 竖链(卡面标签用),lkh* = 横链(底条/卡背用),数字=环数。
   重新生成:npm run gen-chain */
:root{
  --lkv1: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 13 18'%3E%3Cdefs%3E%3CclipPath id='cL'%3E%3Crect x='0' y='0' width='6.5' height='18'/%3E%3C/clipPath%3E%3CclipPath id='cR'%3E%3Crect x='6.5' y='0' width='6.5' height='18'/%3E%3C/clipPath%3E%3Cmask id='m0'%3E%3Crect width='13' height='18' fill='white'/%3E%3Cg clip-path='url(%23cR)'%3E%3Crect x='2.2' y='11.1' width='8.6' height='13.2' rx='4.3' fill='none' stroke='black' stroke-width='4.5'/%3E%3C/g%3E%3C/mask%3E%3C/defs%3E%3Crect x='2.2' y='2.4000000000000004' width='8.6' height='13.2' rx='4.3' fill='none' stroke='white' stroke-width='2.6' mask='url(%23m0)'/%3E%3C/svg%3E");
  --lkv2: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 13 26'%3E%3Cdefs%3E%3CclipPath id='cL'%3E%3Crect x='0' y='0' width='6.5' height='26'/%3E%3C/clipPath%3E%3CclipPath id='cR'%3E%3Crect x='6.5' y='0' width='6.5' height='26'/%3E%3C/clipPath%3E%3Cmask id='m0'%3E%3Crect width='13' height='26' fill='white'/%3E%3Cg clip-path='url(%23cR)'%3E%3Crect x='2.2' y='10.75' width='8.6' height='13.2' rx='4.3' fill='none' stroke='black' stroke-width='4.5'/%3E%3C/g%3E%3C/mask%3E%3Cmask id='m1'%3E%3Crect width='13' height='26' fill='white'/%3E%3Cg clip-path='url(%23cL)'%3E%3Crect x='2.2' y='2.0500000000000007' width='8.6' height='13.2' rx='4.3' fill='none' stroke='black' stroke-width='4.5'/%3E%3C/g%3E%3C/mask%3E%3C/defs%3E%3Crect x='2.2' y='2.0500000000000007' width='8.6' height='13.2' rx='4.3' fill='none' stroke='white' stroke-width='2.6' mask='url(%23m0)'/%3E%3Crect x='2.2' y='10.75' width='8.6' height='13.2' rx='4.3' fill='none' stroke='white' stroke-width='2.6' mask='url(%23m1)'/%3E%3C/svg%3E");
  --lkv3: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 13 35'%3E%3Cdefs%3E%3CclipPath id='cL'%3E%3Crect x='0' y='0' width='6.5' height='35'/%3E%3C/clipPath%3E%3CclipPath id='cR'%3E%3Crect x='6.5' y='0' width='6.5' height='35'/%3E%3C/clipPath%3E%3Cmask id='m0'%3E%3Crect width='13' height='35' fill='white'/%3E%3Cg clip-path='url(%23cR)'%3E%3Crect x='2.2' y='10.9' width='8.6' height='13.2' rx='4.3' fill='none' stroke='black' stroke-width='4.5'/%3E%3C/g%3E%3C/mask%3E%3Cmask id='m1'%3E%3Crect width='13' height='35' fill='white'/%3E%3Cg clip-path='url(%23cR)'%3E%3Crect x='2.2' y='19.6' width='8.6' height='13.2' rx='4.3' fill='none' stroke='black' stroke-width='4.5'/%3E%3C/g%3E%3Cg clip-path='url(%23cL)'%3E%3Crect x='2.2' y='2.200000000000001' width='8.6' height='13.2' rx='4.3' fill='none' stroke='black' stroke-width='4.5'/%3E%3C/g%3E%3C/mask%3E%3Cmask id='m2'%3E%3Crect width='13' height='35' fill='white'/%3E%3Cg clip-path='url(%23cL)'%3E%3Crect x='2.2' y='10.9' width='8.6' height='13.2' rx='4.3' fill='none' stroke='black' stroke-width='4.5'/%3E%3C/g%3E%3C/mask%3E%3C/defs%3E%3Crect x='2.2' y='2.200000000000001' width='8.6' height='13.2' rx='4.3' fill='none' stroke='white' stroke-width='2.6' mask='url(%23m0)'/%3E%3Crect x='2.2' y='10.9' width='8.6' height='13.2' rx='4.3' fill='none' stroke='white' stroke-width='2.6' mask='url(%23m1)'/%3E%3Crect x='2.2' y='19.6' width='8.6' height='13.2' rx='4.3' fill='none' stroke='white' stroke-width='2.6' mask='url(%23m2)'/%3E%3C/svg%3E");
  --lkh1: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 13'%3E%3Cdefs%3E%3CclipPath id='cT'%3E%3Crect x='0' y='0' width='18' height='6.5'/%3E%3C/clipPath%3E%3CclipPath id='cB'%3E%3Crect x='0' y='6.5' width='18' height='6.5'/%3E%3C/clipPath%3E%3Cmask id='m0'%3E%3Crect width='18' height='13' fill='white'/%3E%3Cg clip-path='url(%23cB)'%3E%3Crect x='11.1' y='2.2' width='13.2' height='8.6' ry='4.3' fill='none' stroke='black' stroke-width='4.5'/%3E%3C/g%3E%3C/mask%3E%3C/defs%3E%3Crect x='2.4000000000000004' y='2.2' width='13.2' height='8.6' ry='4.3' fill='none' stroke='white' stroke-width='2.6' mask='url(%23m0)'/%3E%3C/svg%3E");
  --lkh2: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 26 13'%3E%3Cdefs%3E%3CclipPath id='cT'%3E%3Crect x='0' y='0' width='26' height='6.5'/%3E%3C/clipPath%3E%3CclipPath id='cB'%3E%3Crect x='0' y='6.5' width='26' height='6.5'/%3E%3C/clipPath%3E%3Cmask id='m0'%3E%3Crect width='26' height='13' fill='white'/%3E%3Cg clip-path='url(%23cB)'%3E%3Crect x='10.75' y='2.2' width='13.2' height='8.6' ry='4.3' fill='none' stroke='black' stroke-width='4.5'/%3E%3C/g%3E%3C/mask%3E%3Cmask id='m1'%3E%3Crect width='26' height='13' fill='white'/%3E%3Cg clip-path='url(%23cT)'%3E%3Crect x='2.0500000000000007' y='2.2' width='13.2' height='8.6' ry='4.3' fill='none' stroke='black' stroke-width='4.5'/%3E%3C/g%3E%3C/mask%3E%3C/defs%3E%3Crect x='2.0500000000000007' y='2.2' width='13.2' height='8.6' ry='4.3' fill='none' stroke='white' stroke-width='2.6' mask='url(%23m0)'/%3E%3Crect x='10.75' y='2.2' width='13.2' height='8.6' ry='4.3' fill='none' stroke='white' stroke-width='2.6' mask='url(%23m1)'/%3E%3C/svg%3E");
  --lkh3: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 35 13'%3E%3Cdefs%3E%3CclipPath id='cT'%3E%3Crect x='0' y='0' width='35' height='6.5'/%3E%3C/clipPath%3E%3CclipPath id='cB'%3E%3Crect x='0' y='6.5' width='35' height='6.5'/%3E%3C/clipPath%3E%3Cmask id='m0'%3E%3Crect width='35' height='13' fill='white'/%3E%3Cg clip-path='url(%23cB)'%3E%3Crect x='10.9' y='2.2' width='13.2' height='8.6' ry='4.3' fill='none' stroke='black' stroke-width='4.5'/%3E%3C/g%3E%3C/mask%3E%3Cmask id='m1'%3E%3Crect width='35' height='13' fill='white'/%3E%3Cg clip-path='url(%23cB)'%3E%3Crect x='19.6' y='2.2' width='13.2' height='8.6' ry='4.3' fill='none' stroke='black' stroke-width='4.5'/%3E%3C/g%3E%3Cg clip-path='url(%23cT)'%3E%3Crect x='2.200000000000001' y='2.2' width='13.2' height='8.6' ry='4.3' fill='none' stroke='black' stroke-width='4.5'/%3E%3C/g%3E%3C/mask%3E%3Cmask id='m2'%3E%3Crect width='35' height='13' fill='white'/%3E%3Cg clip-path='url(%23cT)'%3E%3Crect x='10.9' y='2.2' width='13.2' height='8.6' ry='4.3' fill='none' stroke='black' stroke-width='4.5'/%3E%3C/g%3E%3C/mask%3E%3C/defs%3E%3Crect x='2.200000000000001' y='2.2' width='13.2' height='8.6' ry='4.3' fill='none' stroke='white' stroke-width='2.6' mask='url(%23m0)'/%3E%3Crect x='10.9' y='2.2' width='13.2' height='8.6' ry='4.3' fill='none' stroke='white' stroke-width='2.6' mask='url(%23m1)'/%3E%3Crect x='19.6' y='2.2' width='13.2' height='8.6' ry='4.3' fill='none' stroke='white' stroke-width='2.6' mask='url(%23m2)'/%3E%3C/svg%3E");
}