/* ═══════════════════════════════════════════
   振华经方 · 统一图标系统 V1
   金铜色调 · 极简线条 · 全站通用
   主色: #c9a96e  辅色: #a08040
   ═══════════════════════════════════════════ */

.zicon {
  display: inline-block; width: 1em; height: 1em;
  vertical-align: -0.12em; font-style: normal;
  background-size: contain; background-repeat: no-repeat;
  background-position: center;
}

/* ── 导航类 ── */
.zicon-back  { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M15 4l-8 8 8 8' stroke='%23c9a96e' stroke-width='2' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E"); }
.zicon-next  { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M9 4l8 8-8 8' stroke='%23c9a96e' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); }
.zicon-up    { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 20V6M6 10l6-6 6 6' stroke='%23c9a96e' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); }
.zicon-search{ background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Ccircle cx='10' cy='10' r='7' stroke='%23c9a96e' stroke-width='2' fill='none'/%3E%3Cpath d='M16 16l5 5' stroke='%23c9a96e' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E"); }

/* ── 中医核心 ── */
.zicon-herb  { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 22V8M12 8C10 5 7 3 5 3C5 6 7 10 12 12M12 8C14 5 17 3 19 3C19 6 17 10 12 12' stroke='%23c9a96e' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3Cpath d='M12 12v-1' stroke='%23c9a96e' stroke-width='1.5'/%3E%3C/svg%3E"); }
.zicon-fire  { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2C10 8 7 10 7 14a5 5 0 0010 0c0-4-3-6-5-12z' stroke='%23c9a96e' stroke-width='1.5' fill='none' stroke-linejoin='round'/%3E%3C/svg%3E"); }
.zicon-water { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 3C8 8 4 12 4 16a8 8 0 0016 0c0-4-4-8-8-13z' stroke='%23c9a96e' stroke-width='1.5' fill='none'/%3E%3C/svg%3E"); }
.zicon-formula{ background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Crect x='4' y='6' width='16' height='12' rx='3' stroke='%23c9a96e' stroke-width='1.5' fill='none'/%3E%3Ccircle cx='9' cy='12' r='2' stroke='%23c9a96e' stroke-width='1.2' fill='none'/%3E%3Ccircle cx='15' cy='12' r='2' stroke='%23c9a96e' stroke-width='1.2' fill='none'/%3E%3C/svg%3E"); }

/* ── 文献/知识 ── */
.zicon-book  { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M4 4h6l2 2h8v12H4V4z' stroke='%23c9a96e' stroke-width='1.5' fill='none' stroke-linejoin='round'/%3E%3Cline x1='4' y1='8' x2='20' y2='8' stroke='%23c9a96e' stroke-width='1'/%3E%3C/svg%3E"); }
.zicon-scroll{ background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M5 3h14v18H5a3 3 0 01-3-3V6a3 3 0 013-3z' stroke='%23c9a96e' stroke-width='1.5' fill='none'/%3E%3Cpath d='M5 7h14M5 11h14M5 15h10' stroke='%23c9a96e' stroke-width='1' stroke-linecap='round'/%3E%3C/svg%3E"); }
.zicon-list  { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cline x1='8' y1='6' x2='20' y2='6' stroke='%23c9a96e' stroke-width='1.5' stroke-linecap='round'/%3E%3Cline x1='8' y1='12' x2='20' y2='12' stroke='%23c9a96e' stroke-width='1.5' stroke-linecap='round'/%3E%3Cline x1='8' y1='18' x2='20' y2='18' stroke='%23c9a96e' stroke-width='1.5' stroke-linecap='round'/%3E%3Ccircle cx='4' cy='6' r='1.2' fill='%23c9a96e'/%3E%3Ccircle cx='4' cy='12' r='1.2' fill='%23c9a96e'/%3E%3Ccircle cx='4' cy='18' r='1.2' fill='%23c9a96e'/%3E%3C/svg%3E"); }

/* ── 工艺/炮制 ── */
.zicon-lab   { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M9 3h6v6l5 10H4l5-10V3z' stroke='%23c9a96e' stroke-width='1.5' fill='none' stroke-linejoin='round'/%3E%3Cline x1='12' y1='11' x2='12' y2='16' stroke='%23c9a96e' stroke-width='1'/%3E%3C/svg%3E"); }
.zicon-alchemy{ background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Ccircle cx='12' cy='12' r='9' stroke='%23c9a96e' stroke-width='1.5' fill='none'/%3E%3Ccircle cx='12' cy='12' r='4' stroke='%23c9a96e' stroke-width='1.2' fill='none'/%3E%3Cline x1='12' y1='3' x2='12' y2='8' stroke='%23c9a96e' stroke-width='1'/%3E%3Cline x1='12' y1='16' x2='12' y2='21' stroke='%23c9a96e' stroke-width='1'/%3E%3C/svg%3E"); }
.zicon-vessel{ background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M8 4h8l3 16H5L8 4z' stroke='%23c9a96e' stroke-width='1.5' fill='none' stroke-linejoin='round'/%3E%3Cline x1='10' y1='2' x2='14' y2='2' stroke='%23c9a96e' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E"); }
.zicon-tea   { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M17 8h1a4 4 0 010 8h-1' stroke='%23c9a96e' stroke-width='1.5' fill='none'/%3E%3Cpath d='M6 8h11v10a3 3 0 01-3 3H9a3 3 0 01-3-3V8z' stroke='%23c9a96e' stroke-width='1.5' fill='none'/%3E%3Cpath d='M6 4l1 4h10l1-4' stroke='%23c9a96e' stroke-width='1.2' fill='none'/%3E%3C/svg%3E"); }
.zicon-measure{ background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Crect x='3' y='4' width='18' height='16' rx='1' stroke='%23c9a96e' stroke-width='1.5' fill='none'/%3E%3Cline x1='7' y1='9' x2='17' y2='9' stroke='%23c9a96e' stroke-width='1'/%3E%3Cline x1='7' y1='13' x2='14' y2='13' stroke='%23c9a96e' stroke-width='1'/%3E%3Cline x1='8' y1='4' x2='8' y2='7' stroke='%23c9a96e' stroke-width='1.5'/%3E%3C/svg%3E"); }

/* ── 警示/状态 ── */
.zicon-warn  { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 3L2 21h20L12 3z' stroke='%23c9a96e' stroke-width='1.5' fill='none' stroke-linejoin='round'/%3E%3Cline x1='12' y1='9' x2='12' y2='13' stroke='%23c9a96e' stroke-width='1.5' stroke-linecap='round'/%3E%3Ccircle cx='12' cy='17' r='1' fill='%23c9a96e'/%3E%3C/svg%3E"); }
.zicon-check { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M4 12l5 5L20 6' stroke='%23c9a96e' stroke-width='2' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E"); }
.zicon-shield{ background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2l8 4v5c0 5.5-3.5 10-8 12.5C7.5 21 4 16.5 4 11V6l8-4z' stroke='%23c9a96e' stroke-width='1.5' fill='none'/%3E%3C/svg%3E"); }

/* ── 工具/其他 ── */
.zicon-tool  { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Ccircle cx='8' cy='8' r='5' stroke='%23c9a96e' stroke-width='1.5' fill='none'/%3E%3Cline x1='8' y1='13' x2='8' y2='20' stroke='%23c9a96e' stroke-width='2' stroke-linecap='round'/%3E%3Cline x1='4' y1='17' x2='12' y2='17' stroke='%23c9a96e' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E"); }
.zicon-target{ background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Ccircle cx='12' cy='12' r='9' stroke='%23c9a96e' stroke-width='1.5' fill='none'/%3E%3Ccircle cx='12' cy='12' r='4' stroke='%23c9a96e' stroke-width='1.2' fill='none'/%3E%3Ccircle cx='12' cy='12' r='1.5' fill='%23c9a96e'/%3E%3C/svg%3E"); }
.zicon-origin{ background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Ccircle cx='12' cy='10' r='6' stroke='%23c9a96e' stroke-width='1.5' fill='none'/%3E%3Cpath d='M12 2v3M12 17v5M2 12h3M19 12h3' stroke='%23c9a96e' stroke-width='1' stroke-linecap='round'/%3E%3C/svg%3E"); }
.zicon-temp  { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cline x1='12' y1='4' x2='12' y2='16' stroke='%23c9a96e' stroke-width='2' stroke-linecap='round'/%3E%3Ccircle cx='12' cy='19' r='2.5' stroke='%23c9a96e' stroke-width='1.5' fill='none'/%3E%3C/svg%3E"); }
.zicon-chart { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Crect x='3' y='13' width='4' height='7' rx='1' fill='none' stroke='%23c9a96e' stroke-width='1.5'/%3E%3Crect x='10' y='8' width='4' height='12' rx='1' fill='none' stroke='%23c9a96e' stroke-width='1.5'/%3E%3Crect x='17' y='4' width='4' height='16' rx='1' fill='none' stroke='%23c9a96e' stroke-width='1.5'/%3E%3C/svg%3E"); }

/* ── 天地/哲学 ── */
.zicon-sun   { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Ccircle cx='12' cy='12' r='5' stroke='%23c9a96e' stroke-width='1.5' fill='none'/%3E%3Cline x1='12' y1='1' x2='12' y2='4' stroke='%23c9a96e' stroke-width='1'/%3E%3Cline x1='12' y1='20' x2='12' y2='23' stroke='%23c9a96e' stroke-width='1'/%3E%3Cline x1='1' y1='12' x2='4' y2='12' stroke='%23c9a96e' stroke-width='1'/%3E%3Cline x1='20' y1='12' x2='23' y2='12' stroke='%23c9a96e' stroke-width='1'/%3E%3C/svg%3E"); }
.zicon-moon  { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M20 14A8 8 0 1110 4a8 8 0 0010 10z' stroke='%23c9a96e' stroke-width='1.5' fill='none' stroke-linejoin='round'/%3E%3C/svg%3E"); }
.zicon-yinyang{ background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Ccircle cx='12' cy='12' r='10' stroke='%23c9a96e' stroke-width='1.5' fill='none'/%3E%3Cpath d='M12 2A10 10 0 0012 22A5 5 0 0112 12A5 5 0 0012 2z' stroke='%23c9a96e' stroke-width='1.5' fill='none'/%3E%3C/svg%3E"); }
.zicon-link  { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M9 15l6-6' stroke='%23c9a96e' stroke-width='1.5' stroke-linecap='round'/%3E%3Cpath d='M13 7h4v4M11 17H7v-4' stroke='%23c9a96e' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); }
.zicon-pin   { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2v14M8 8l8-4-4 8' stroke='%23c9a96e' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E"); }
.zicon-clock { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Ccircle cx='12' cy='12' r='9' stroke='%23c9a96e' stroke-width='1.5' fill='none'/%3E%3Cline x1='12' y1='7' x2='12' y2='12' stroke='%23c9a96e' stroke-width='1.5' stroke-linecap='round'/%3E%3Cline x1='12' y1='12' x2='15' y2='15' stroke='%23c9a96e' stroke-width='1.2' stroke-linecap='round'/%3E%3C/svg%3E"); }
.zicon-star  { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2l2.5 7.5H22l-6 4.5 2.5 7.5L12 17l-6.5 4.5L8 14l-6-4.5h7.5z' stroke='%23c9a96e' stroke-width='1.2' fill='none' stroke-linejoin='round'/%3E%3C/svg%3E"); }
.zicon-bulb  { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M9 20h6M10 17h4' stroke='%23c9a96e' stroke-width='1.2' stroke-linecap='round'/%3E%3Cpath d='M12 2a7 7 0 00-5 11.5V16a2 2 0 002 2h6a2 2 0 002-2v-2.5A7 7 0 0012 2z' stroke='%23c9a96e' stroke-width='1.5' fill='none'/%3E%3C/svg%3E"); }
.zicon-chat  { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M4 11a8 8 0 1115 3.5L21 20l-5.5-2A8 8 0 014 11z' stroke='%23c9a96e' stroke-width='1.5' fill='none'/%3E%3C/svg%3E"); }
.zicon-write { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M16 3l5 5L8 21H3v-5L16 3z' stroke='%23c9a96e' stroke-width='1.5' fill='none' stroke-linejoin='round'/%3E%3C/svg%3E"); }
.zicon-memo  { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Crect x='4' y='3' width='16' height='18' rx='2' stroke='%23c9a96e' stroke-width='1.5' fill='none'/%3E%3Cline x1='8' y1='8' x2='16' y2='8' stroke='%23c9a96e' stroke-width='1'/%3E%3Cline x1='8' y1='12' x2='16' y2='12' stroke='%23c9a96e' stroke-width='1'/%3E%3C/svg%3E"); }
.zicon-scholar{ background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2L2 7l10 5 10-5-10-5z' stroke='%23c9a96e' stroke-width='1.5' fill='none' stroke-linejoin='round'/%3E%3Cpath d='M2 17l10 5 10-5M2 12l10 5 10-5' stroke='%23c9a96e' stroke-width='1.2' fill='none'/%3E%3C/svg%3E"); }
.zicon-medical{ background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Crect x='3' y='5' width='18' height='15' rx='3' stroke='%23c9a96e' stroke-width='1.5' fill='none'/%3E%3Cline x1='12' y1='9' x2='12' y2='16' stroke='%23c9a96e' stroke-width='1.5' stroke-linecap='round'/%3E%3Cline x1='8' y1='12.5' x2='16' y2='12.5' stroke='%23c9a96e' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E"); }
.zicon-crystal{ background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2l8 8-8 8-8-8 8-8z' stroke='%23c9a96e' stroke-width='1.2' fill='none' stroke-linejoin='round'/%3E%3Ccircle cx='12' cy='10' r='2' stroke='%23c9a96e' stroke-width='1' fill='none'/%3E%3C/svg%3E"); }
.zicon-mind  { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 4a6 6 0 00-3 11v4l3-1 3 1v-4a6 6 0 00-3-11z' stroke='%23c9a96e' stroke-width='1.5' fill='none' stroke-linejoin='round'/%3E%3C/svg%3E"); }