/* ============================================================
   中启智元官网 · 内联 SVG 图标（mask 方式）
   用法：<span class="svg-icon i-gear"></span>
   颜色跟随 background-color / currentColor，可随状态变化。
   放置于带底色的容器内（如 .card .icon 渐变块），保持现有视觉。
   ============================================================ */

/* ---------- 通用图标基类 ---------- */
.svg-icon {
  display: inline-block;
  width: 1.5rem; height: 1.5rem;
  background-color: currentColor;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-position: center;
  mask-position: center;
  -webkit-mask-size: contain;
  mask-size: contain;
}

/* ---------- 图标定义（24x24 viewBox，线性风格 path） ---------- */

/* ⚙️ 齿轮（软件定制） */
.i-gear {
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='3'/%3E%3Cpath d='M19.4 15a1.65 1.65 0 0 0 .33 1.82l.06.06a2 2 0 0 1-2.83 2.83l-.06-.06a1.65 1.65 0 0 0-1.82-.33 1.65 1.65 0 0 0-1 1.51V21a2 2 0 0 1-4 0v-.09A1.65 1.65 0 0 0 9 19.4a1.65 1.65 0 0 0-1.82.33l-.06.06a2 2 0 0 1-2.83-2.83l.06-.06a1.65 1.65 0 0 0 .33-1.82 1.65 1.65 0 0 0-1.51-1H3a2 2 0 0 1 0-4h.09A1.65 1.65 0 0 0 4.6 9a1.65 1.65 0 0 0-.33-1.82l-.06-.06a2 2 0 0 1 2.83-2.83l.06.06a1.65 1.65 0 0 0 1.82.33H9a1.65 1.65 0 0 0 1-1.51V3a2 2 0 0 1 4 0v.09a1.65 1.65 0 0 0 1 1.51 1.65 1.65 0 0 0 1.82-.33l.06-.06a2 2 0 0 1 2.83 2.83l-.06.06a1.65 1.65 0 0 0-.33 1.82V9a1.65 1.65 0 0 0 1.51 1H21a2 2 0 0 1 0 4h-.09a1.65 1.65 0 0 0-1.51 1z'/%3E%3C/svg%3E");
}

/* 🚀 火箭（GEO获客） */
.i-rocket {
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4.5 16.5c-1.5 1.26-2 5-2 5s3.74-.5 5-2c.71-.84.7-2.13-.09-2.91a2.18 2.18 0 0 0-2.91-.09z'/%3E%3Cpath d='M12 15l-3-3a22 22 0 0 1 2-3.95A12.88 12.88 0 0 1 22 2c0 2.72-.78 7.5-6 11a22.35 22.35 0 0 1-4 2z'/%3E%3Cpath d='M9 12H4s.55-3.03 2-4c1.62-1.08 5 0 5 0'/%3E%3Cpath d='M12 15v5s3.03-.55 4-2c1.08-1.62 0-5 0-5'/%3E%3C/svg%3E");
}

/* 🎓 学士帽（AI培训） */
.i-graduation {
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M22 10L12 5 2 10l10 5 10-5z'/%3E%3Cpath d='M6 12v5c0 1.7 2.7 3 6 3s6-1.3 6-3v-5'/%3E%3Cpath d='M22 10v6'/%3E%3C/svg%3E");
}

/* 🖥️ 显示器（管理系统） */
.i-monitor {
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='2' y='3' width='20' height='14' rx='2'/%3E%3Cline x1='8' y1='21' x2='16' y2='21'/%3E%3Cline x1='12' y1='17' x2='12' y2='21'/%3E%3C/svg%3E");
}

/* 📱 手机（小程序/App） */
.i-mobile {
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='7' y='2' width='10' height='20' rx='2'/%3E%3Cline x1='11' y1='18' x2='13' y2='18'/%3E%3C/svg%3E");
}

/* 🌐 地球（Web应用 / 官网） */
.i-globe {
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Cline x1='2' y1='12' x2='22' y2='12'/%3E%3Cpath d='M12 2a15.3 15.3 0 0 1 4 10 15.3 15.3 0 0 1-4 10 15.3 15.3 0 0 1-4-10 15.3 15.3 0 0 1 4-10z'/%3E%3C/svg%3E");
}

/* 🤖 机器人（AI集成） */
.i-robot {
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='4' y='8' width='16' height='12' rx='2'/%3E%3Ccircle cx='12' cy='14' r='2'/%3E%3Cpath d='M12 8V4'/%3E%3Ccircle cx='9' cy='11' r='0.5' fill='black'/%3E%3Ccircle cx='15' cy='11' r='0.5' fill='black'/%3E%3Cpath d='M9 2h6'/%3E%3C/svg%3E");
}

/* 🔌 插头（系统集成） */
.i-plug {
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 22v-4'/%3E%3Cpath d='M7 2v5a3 3 0 0 0 3 3h4a3 3 0 0 0 3-3V2'/%3E%3Cpath d='M9 2v4'/%3E%3Cpath d='M15 2v4'/%3E%3Cpath d='M10 14v4'/%3E%3Cpath d='M14 14v4'/%3E%3C/svg%3E");
}

/* 🛠️ 扳手（运维迭代） */
.i-wrench {
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M14.7 6.3a1 1 0 0 0 0 1.4l1.6 1.6a1 1 0 0 0 1.4 0l3.77-3.77a6 6 0 0 1-7.94 7.94l-6.91 6.91a2.12 2.12 0 0 1-3-3l6.91-6.91a6 6 0 0 1 7.94-7.94l-3.76 3.76z'/%3E%3C/svg%3E");
}

/* 🏛️ 殿堂/建筑（权威认证） */
.i-landmark {
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cline x1='3' y1='22' x2='21' y2='22'/%3E%3Cline x1='6' y1='18' x2='6' y2='11'/%3E%3Cline x1='10' y1='18' x2='10' y2='11'/%3E%3Cline x1='14' y1='18' x2='14' y2='11'/%3E%3Cline x1='18' y1='18' x2='18' y2='11'/%3E%3Cpolygon points='12 2 20 7 4 7'/%3E%3C/svg%3E");
}

/* 📚 书籍（系统课程） */
.i-book {
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 19.5A2.5 2.5 0 0 1 6.5 17H20'/%3E%3Cpath d='M6.5 2H20v20H6.5A2.5 2.5 0 0 1 4 19.5v-15A2.5 2.5 0 0 1 6.5 2z'/%3E%3C/svg%3E");
}

/* 🎯 靶心（结果导向 / 实战导向） */
.i-target {
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Ccircle cx='12' cy='12' r='6'/%3E%3Ccircle cx='12' cy='12' r='2'/%3E%3C/svg%3E");
}

/* 🤝 握手（长期陪伴） */
.i-handshake {
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M11 17l2 2a1 1 0 1 0 3-3'/%3E%3Cpath d='M14 14l2.5 2.5a1 1 0 1 0 3-3l-3.88-3.88a3 3 0 0 0-4.24 0l-.88.88a1 1 0 1 1-3-3l2.81-2.81a5.79 5.79 0 0 1 7.06-.87l.47.28a2 2 0 0 0 1.42.25L21 4'/%3E%3Cpath d='M21 3l-3.5 1.5'/%3E%3Cpath d='M3 4l3.5 1.5'/%3E%3Cpath d='M4 21l3-3'/%3E%3C/svg%3E");
}

/* 📧 邮件（电子邮箱） */
.i-mail {
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='2' y='4' width='20' height='16' rx='2'/%3E%3Cpath d='M22 7l-10 6L2 7'/%3E%3C/svg%3E");
}

/* 🏢 大楼（公司名称） */
.i-building {
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='4' y='2' width='16' height='20' rx='2'/%3E%3Cpath d='M9 22v-4h6v4'/%3E%3Cline x1='8' y1='6' x2='10' y2='6'/%3E%3Cline x1='8' y1='10' x2='10' y2='10'/%3E%3Cline x1='8' y1='14' x2='10' y2='14'/%3E%3Cline x1='14' y1='6' x2='16' y2='6'/%3E%3Cline x1='14' y1='10' x2='16' y2='10'/%3E%3Cline x1='14' y1='14' x2='16' y2='14'/%3E%3C/svg%3E");
}

/* 🕘 时钟（工作时间） */
.i-clock {
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Cpolyline points='12 6 12 12 16 14'/%3E%3C/svg%3E");
}