@charset "UTF-8";

/* ========== 16px 图标 ========== */
.icon-phone { font-size: 16px; }
.icon-phone::before {
  content: '';
  display: inline-block;
  width: 1em;
  height: 1em;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Cpath d='M22 16.92v3a2 2 0 0 1-2.18 2 19.79 19.79 0 0 1-8.63-3.07 19.5 19.5 0 0 1-6-6 19.79 19.79 0 0 1-3.07-8.67A2 2 0 0 1 4.11 2h3a2 2 0 0 1 2 1.72 12.84 12.84 0 0 0 .7 2.81 2 2 0 0 1-.45 2.11L8.09 9.91a16 16 0 0 0 6 6l1.27-1.27a2 2 0 0 1 2.11-.45 12.84 12.84 0 0 0 2.81.7A2 2 0 0 1 22 16.92z'/%3E%3C/svg%3E") center/contain no-repeat;
}

.icon-location { font-size: 16px; }
.icon-location::before {
  content: '';
  display: inline-block;
  width: 1em;
  height: 1em;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Cpath d='M21 10c0 7-9 13-9 13s-9-6-9-13a9 9 0 0 1 18 0z'/%3E%3Ccircle cx='12' cy='10' r='3'/%3E%3C/svg%3E") center/contain no-repeat;
}

.icon-mail { font-size: 16px; }
.icon-mail::before {
  content: '';
  display: inline-block;
  width: 1em;
  height: 1em;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Cpath d='M4 4h16c1.1 0 2 .9 2 2v12c0 1.1-.9 2-2 2H4c-1.1 0-2-.9-2-2V6c0-1.1.9-2 2-2z'/%3E%3Cpolyline points='22,6 12,13 2,6'/%3E%3C/svg%3E") center/contain no-repeat;
}

.icon-clock { font-size: 16px; }
.icon-clock::before {
  content: '';
  display: inline-block;
  width: 1em;
  height: 1em;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Cpolyline points='12 6 12 12 16 14'/%3E%3C/svg%3E") center/contain no-repeat;
}

.icon-info { font-size: 16px; }
.icon-info::before {
  content: '';
  display: inline-block;
  width: 1em;
  height: 1em;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Cline x1='12' y1='16' x2='12' y2='12'/%3E%3Cline x1='12' y1='8' x2='12.01' y2='8'/%3E%3C/svg%3E") center/contain no-repeat;
}

.icon-search { font-size: 16px; }
.icon-search::before {
  content: '';
  display: inline-block;
  width: 1em;
  height: 1em;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'/%3E%3C/svg%3E") center/contain no-repeat;
}

.icon-tag { font-size: 16px; }
.icon-tag::before {
  content: '';
  display: inline-block;
  width: 1em;
  height: 1em;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Cpath d='M20.59 13.41l-7.17 7.17a2 2 0 0 1-2.83 0L2 12V2h10l8.59 8.59a2 2 0 0 1 0 2.82z'/%3E%3Cline x1='7' y1='7' x2='7.01' y2='7'/%3E%3C/svg%3E") center/contain no-repeat;
}

.icon-arrow-right { font-size: 16px; }
.icon-arrow-right::before {
  content: '';
  display: inline-block;
  width: 1em;
  height: 1em;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Cline x1='5' y1='12' x2='19' y2='12'/%3E%3Cpolyline points='12 5 19 12 12 19'/%3E%3C/svg%3E") center/contain no-repeat;
}

.icon-arrow-down { font-size: 16px; }
.icon-arrow-down::before {
  content: '';
  display: inline-block;
  width: 1em;
  height: 1em;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Cline x1='12' y1='5' x2='12' y2='19'/%3E%3Cpolyline points='19 12 12 19 5 12'/%3E%3C/svg%3E") center/contain no-repeat;
}

.icon-chevron-up { font-size: 16px; }
.icon-chevron-up::before {
  content: '';
  display: inline-block;
  width: 1em;
  height: 1em;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Cpolyline points='18 15 12 9 6 15'/%3E%3C/svg%3E") center/contain no-repeat;
}

/* ========== 20px 图标 ========== */
.icon-check { font-size: 20px; }
.icon-check::before {
  content: '';
  display: inline-block;
  width: 1em;
  height: 1em;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2.5'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/contain no-repeat;
}

.icon-user { font-size: 20px; }
.icon-user::before {
  content: '';
  display: inline-block;
  width: 1em;
  height: 1em;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Cpath d='M20 21v-2a4 4 0 0 0-4-4H8a4 4 0 0 0-4 4v2'/%3E%3Ccircle cx='12' cy='7' r='4'/%3E%3C/svg%3E") center/contain no-repeat;
}

.icon-star { font-size: 20px; }
.icon-star::before {
  content: '';
  display: inline-block;
  width: 1em;
  height: 1em;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23C8963E' stroke='%23C8963E' stroke-width='1'%3E%3Cpolygon points='12 2 15.09 8.26 22 9.27 17 14.14 18.18 21.02 12 17.77 5.82 21.02 7 14.14 2 9.27 8.91 8.26 12 2'/%3E%3C/svg%3E") center/contain no-repeat;
}

.icon-wechat { font-size: 20px; }
.icon-wechat::before {
  content: '';
  display: inline-block;
  width: 1em;
  height: 1em;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Cpath d='M8 10.5a1.5 1.5 0 1 1 0-3 1.5 1.5 0 0 1 0 3z'/%3E%3Cpath d='M14 10.5a1.5 1.5 0 1 1 0-3 1.5 1.5 0 0 1 0 3z'/%3E%3Cpath d='M8.5 13.5c-1.5 1.5-3 1.5-4.5 0'/%3E%3Cpath d='M21 12.5c0 3.5-3.5 6.5-8 7-1.5 0-3-.5-4.5-1 1.5 1 3.5 1.5 5.5 1.5 4.5 0 8-2.5 8-5.5 0-1.5-1-2.5-2-3.5'/%3E%3Cpath d='M3 7.5C3 4 6.5 2 10 2c4 0 7 2.5 7 5.5S14 13 10 13c-1 0-2-.2-3-.5'/%3E%3C/svg%3E") center/contain no-repeat;
}

/* ========== 24px 图标 ========== */
.icon-menu { font-size: 24px; }
.icon-menu::before {
  content: '';
  display: inline-block;
  width: 1em;
  height: 1em;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Cline x1='3' y1='12' x2='21' y2='12'/%3E%3Cline x1='3' y1='6' x2='21' y2='6'/%3E%3Cline x1='3' y1='18' x2='21' y2='18'/%3E%3C/svg%3E") center/contain no-repeat;
}

.icon-close { font-size: 24px; }
.icon-close::before {
  content: '';
  display: inline-block;
  width: 1em;
  height: 1em;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Cline x1='18' y1='6' x2='6' y2='18'/%3E%3Cline x1='6' y1='6' x2='18' y2='18'/%3E%3C/svg%3E") center/contain no-repeat;
}

/* ========== 48px 大图标 — 默认用于知识卡片、套餐图标等大容器 ========== */
.icon-dna { font-size: 48px; }
.icon-dna::before {
  content: '';
  display: inline-block;
  width: 1em;
  height: 1em;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='1.5'%3E%3Cpath d='M4 2h2c2 3 2 8 0 10'/%3E%3Cpath d='M18 2h-2c-2 3-2 8 0 10'/%3E%3Cpath d='M4 22h2c2-3 2-8 0-10'/%3E%3Cpath d='M18 22h-2c-2-3-2-8 0-10'/%3E%3Cline x1='12' y1='2' x2='12' y2='22'/%3E%3C/svg%3E") center/contain no-repeat;
}

.icon-microscope { font-size: 48px; }
.icon-microscope::before {
  content: '';
  display: inline-block;
  width: 1em;
  height: 1em;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='1.5'%3E%3Ccircle cx='6' cy='18' r='3'/%3E%3Cpath d='M6 15V6'/%3E%3Cpath d='M9 3h6'/%3E%3Cpath d='M9 7h6'/%3E%3Cpath d='M12 3v12'/%3E%3Cpath d='M3 21h18'/%3E%3C/svg%3E") center/contain no-repeat;
}

.icon-heart { font-size: 48px; }
.icon-heart::before {
  content: '';
  display: inline-block;
  width: 1em;
  height: 1em;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='1.5'%3E%3Cpath d='M20.84 4.61a5.5 5.5 0 0 0-7.78 0L12 5.67l-1.06-1.06a5.5 5.5 0 0 0-7.78 7.78l1.06 1.06L12 21.23l7.78-7.78 1.06-1.06a5.5 5.5 0 0 0 0-7.78z'/%3E%3C/svg%3E") center/contain no-repeat;
}

.icon-shield { font-size: 48px; }
.icon-shield::before {
  content: '';
  display: inline-block;
  width: 1em;
  height: 1em;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='1.5'%3E%3Cpath d='M12 22s8-4 8-10V5l-8-3-8 3v7c0 6 8 10 8 10z'/%3E%3C/svg%3E") center/contain no-repeat;
}

.icon-calendar { font-size: 48px; }
.icon-calendar::before {
  content: '';
  display: inline-block;
  width: 1em;
  height: 1em;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='1.5'%3E%3Crect x='3' y='4' width='18' height='18' rx='2' ry='2'/%3E%3Cline x1='16' y1='2' x2='16' y2='6'/%3E%3Cline x1='8' y1='2' x2='8' y2='6'/%3E%3Cline x1='3' y1='10' x2='21' y2='10'/%3E%3C/svg%3E") center/contain no-repeat;
}

.icon-document { font-size: 48px; }
.icon-document::before {
  content: '';
  display: inline-block;
  width: 1em;
  height: 1em;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='1.5'%3E%3Cpath d='M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z'/%3E%3Cpolyline points='14 2 14 8 20 8'/%3E%3Cline x1='16' y1='13' x2='8' y2='13'/%3E%3Cline x1='16' y1='17' x2='8' y2='17'/%3E%3Cpolyline points='10 9 9 9 8 9'/%3E%3C/svg%3E") center/contain no-repeat;
}

.icon-baby { font-size: 48px; }
.icon-baby::before {
  content: '';
  display: inline-block;
  width: 1em;
  height: 1em;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='1.5'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Ccircle cx='9' cy='10' r='1'/%3E%3Ccircle cx='15' cy='10' r='1'/%3E%3Cpath d='M9 15c.83.67 1.83 1 3 1s2.17-.33 3-1'/%3E%3C/svg%3E") center/contain no-repeat;
}

.icon-building { font-size: 48px; }
.icon-building::before {
  content: '';
  display: inline-block;
  width: 1em;
  height: 1em;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='1.5'%3E%3Crect x='4' y='2' width='16' height='20' rx='1'/%3E%3Cline x1='9' y1='6' x2='9' y2='6.01'/%3E%3Cline x1='15' y1='6' x2='15' y2='6.01'/%3E%3Cline x1='9' y1='10' x2='9' y2='10.01'/%3E%3Cline x1='15' y1='10' x2='15' y2='10.01'/%3E%3Cline x1='9' y1='14' x2='9' y2='14.01'/%3E%3Cline x1='15' y1='14' x2='15' y2='14.01'/%3E%3Cline x1='9' y1='18' x2='15' y2='18'/%3E%3C/svg%3E") center/contain no-repeat;
}

.icon-award { font-size: 48px; }
.icon-award::before {
  content: '';
  display: inline-block;
  width: 1em;
  height: 1em;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='1.5'%3E%3Ccircle cx='12' cy='8' r='6'/%3E%3Cpath d='M15.477 12.89L17 22l-5-3-5 3 1.523-9.11'/%3E%3C/svg%3E") center/contain no-repeat;
}

.icon-chat { font-size: 48px; }
.icon-chat::before {
  content: '';
  display: inline-block;
  width: 1em;
  height: 1em;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='1.5'%3E%3Cpath d='M21 15a2 2 0 0 1-2 2H7l-4 4V5a2 2 0 0 1 2-2h14a2 2 0 0 1 2 2z'/%3E%3C/svg%3E") center/contain no-repeat;
}