/* ============================================================
   图标层 icons.css：内联 SVG data-URI 图标（mask 方案，用 color 着色）
   用法：<i class="ico ico-phone"></i>
   ============================================================ */

.ico {
  display: inline-block;
  width: 1em;
  height: 1em;
  flex-shrink: 0;
  background-color: currentColor;
  -webkit-mask: var(--ico-svg) center / contain no-repeat;
  mask: var(--ico-svg) center / contain no-repeat;
}

.ico-phone    { --ico-svg: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6.6 10.8c1.4 2.8 3.8 5.1 6.6 6.6l2.2-2.2c.3-.3.7-.4 1-.2 1.1.4 2.3.6 3.6.6.6 0 1 .4 1 1V20c0 .6-.4 1-1 1C10.6 21 3 13.4 3 4c0-.6.4-1 1-1h3.5c.6 0 1 .4 1 1 0 1.2.2 2.4.6 3.6.1.3 0 .7-.2 1l-2.3 2.2z'/%3E%3C/svg%3E"); }
.ico-mail     { --ico-svg: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M20 4H4c-1.1 0-2 .9-2 2v12c0 1.1.9 2 2 2h16c1.1 0 2-.9 2-2V6c0-1.1-.9-2-2-2zm0 4-8 5-8-5V6l8 5 8-5v2z'/%3E%3C/svg%3E"); }
.ico-pin      { --ico-svg: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2C8.1 2 5 5.1 5 9c0 5.2 7 13 7 13s7-7.8 7-13c0-3.9-3.1-7-7-7zm0 9.5c-1.4 0-2.5-1.1-2.5-2.5S10.6 6.5 12 6.5s2.5 1.1 2.5 2.5-1.1 2.5-2.5 2.5z'/%3E%3C/svg%3E"); }
.ico-clock    { --ico-svg: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2C6.5 2 2 6.5 2 12s4.5 10 10 10 10-4.5 10-10S17.5 2 12 2zm4.2 14.2L11 13V7h1.5v5.2l4.5 2.7-.8 1.3z'/%3E%3C/svg%3E"); }
.ico-chat     { --ico-svg: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M20 2H4c-1.1 0-2 .9-2 2v18l4-4h14c1.1 0 2-.9 2-2V4c0-1.1-.9-2-2-2zM7 9h10v2H7V9zm0 4h7v2H7v-2z'/%3E%3C/svg%3E"); }
.ico-arrow-r  { --ico-svg: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M8.6 16.6 13.2 12 8.6 7.4 10 6l6 6-6 6z'/%3E%3C/svg%3E"); }
.ico-arrow-l  { --ico-svg: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M15.4 7.4 10.8 12l4.6 4.6L14 18l-6-6 6-6z'/%3E%3C/svg%3E"); }
.ico-arrow-up { --ico-svg: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M7.4 15.4 12 10.8l4.6 4.6L18 14l-6-6-6 6z'/%3E%3C/svg%3E"); }
.ico-chevron-d { --ico-svg: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M7.4 8.6 12 13.2l4.6-4.6L18 10l-6 6-6-6z'/%3E%3C/svg%3E"); }

.ico-home     { --ico-svg: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M10 20v-6h4v6h5v-8h3L12 3 2 12h3v8z'/%3E%3C/svg%3E"); }
.ico-bed      { --ico-svg: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M7 13c1.7 0 3-1.3 3-3S8.7 7 7 7s-3 1.3-3 3 1.3 3 3 3zm12-6h-8v7H3V7H1v10h22v-6c0-2.2-1.8-4-4-4z'/%3E%3C/svg%3E"); }
.ico-lock     { --ico-svg: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M18 8h-1V6c0-2.8-2.2-5-5-5S7 3.2 7 6v2H6c-1.1 0-2 .9-2 2v10c0 1.1.9 2 2 2h12c1.1 0 2-.9 2-2V10c0-1.1-.9-2-2-2zM9 6c0-1.7 1.3-3 3-3s3 1.3 3 3v2H9V6z'/%3E%3C/svg%3E"); }
.ico-face     { --ico-svg: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2C6.5 2 2 6.5 2 12s4.5 10 10 10 10-4.5 10-10S17.5 2 12 2zm5 8c.8 0 1.5.7 1.5 1.5S17.8 13 17 13s-1.5-.7-1.5-1.5S16.2 10 17 10zm-10 0c.8 0 1.5.7 1.5 1.5S7.8 13 7 13s-1.5-.7-1.5-1.5S6.2 10 7 10zm5 8c-3.6 0-6-2-6.8-4.9h2.1C8 15.2 9.6 16.2 12 16.2s4-.9 4.7-3.1h2.1C18 16 15.6 18 12 18z'/%3E%3C/svg%3E"); }
.ico-shield   { --ico-svg: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 1 3 5v6c0 5.5 3.8 10.7 9 12 5.2-1.3 9-6.5 9-12V5l-9-4z'/%3E%3C/svg%3E"); }
.ico-book     { --ico-svg: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M18 2H6c-1.1 0-2 .9-2 2v16c0 1.1.9 2 2 2h12c1.1 0 2-.9 2-2V4c0-1.1-.9-2-2-2zM6 4h5v8l-2.5-1.5L6 12V4z'/%3E%3C/svg%3E"); }
.ico-users    { --ico-svg: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M16 11c1.7 0 3-1.3 3-3s-1.3-3-3-3-3 1.3-3 3 1.3 3 3 3zm-8 0c1.7 0 3-1.3 3-3S9.7 5 8 5 5 6.3 5 8s1.3 3 3 3zm0 2c-2.3 0-7 1.2-7 3.5V19h14v-2.5C15 14.2 10.3 13 8 13zm8 0c-.3 0-.6 0-1 .1 1.2.9 2 2.1 2 3.4V19h6v-2.5C23 14.2 18.3 13 16 13z'/%3E%3C/svg%3E"); }
.ico-person   { --ico-svg: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 12c2.2 0 4-1.8 4-4s-1.8-4-4-4-4 1.8-4 4 1.8 4 4 4zm0 2c-2.7 0-8 1.3-8 4v2h16v-2c0-2.7-5.3-4-8-4z'/%3E%3C/svg%3E"); }
.ico-monitor  { --ico-svg: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M21 2H3c-1.1 0-2 .9-2 2v12c0 1.1.9 2 2 2h7v2H8v2h8v-2h-2v-2h7c1.1 0 2-.9 2-2V4c0-1.1-.9-2-2-2z'/%3E%3C/svg%3E"); }
.ico-dashboard { --ico-svg: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M3 13h8V3H3v10zm0 8h8v-6H3v6zm10 0h8V11h-8v10zm0-18v6h8V3h-8z'/%3E%3C/svg%3E"); }
.ico-check    { --ico-svg: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4L9 16.2z'/%3E%3C/svg%3E"); }
.ico-download { --ico-svg: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M19 9h-4V3H9v6H5l7 7 7-7zM5 18v2h14v-2H5z'/%3E%3C/svg%3E"); }
.ico-calendar { --ico-svg: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M19 4h-1V2h-2v2H8V2H6v2H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2V6c0-1.1-.9-2-2-2zm0 16H5V10h14v10zM5 8V6h14v2H5z'/%3E%3C/svg%3E"); }
.ico-target   { --ico-svg: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 8c-2.2 0-4 1.8-4 4s1.8 4 4 4 4-1.8 4-4-1.8-4-4-4zm0-8C5.4 0 0 5.4 0 12s5.4 12 12 12 12-5.4 12-12S18.6 0 12 0zm0 20c-4.4 0-8-3.6-8-8s3.6-8 8-8 8 3.6 8 8-3.6 8-8 8z'/%3E%3C/svg%3E"); }
.ico-star     { --ico-svg: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 17.3 18.2 21l-1.6-7L22 9.2l-7.2-.6L12 2 9.2 8.6 2 9.2 7.4 14l-1.6 7z'/%3E%3C/svg%3E"); }
.ico-ticket   { --ico-svg: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M22 10V6c0-1.1-.9-2-2-2H4c-1.1 0-2 .9-2 2v4c1.1 0 2 .9 2 2s-.9 2-2 2v4c0 1.1.9 2 2 2h16c1.1 0 2-.9 2-2v-4c-1.1 0-2-.9-2-2s.9-2 2-2zm-9 6H9v-2h4v2zm4-4H9V9h8v3z'/%3E%3C/svg%3E"); }
.ico-chip     { --ico-svg: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 6h12v12H6zM9 9h6v6H9zM6 2h2v4H6zM16 2h2v4h-2zM6 18h2v4H6zM16 18h2v4h-2zM2 6h4v2H2zM2 16h4v2H2zM18 6h4v2h-4zM18 16h4v2h-4z'/%3E%3C/svg%3E"); }
.ico-map      { --ico-svg: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M20.5 3l-.2.02L15 5.1 9 3 3.4 4.8c-.2.1-.4.3-.4.5v14.1c0 .4.4.7.8.6L9 18.9l6 2.1 5.6-1.8c.2-.1.4-.3.4-.5V3.5c0-.4-.4-.7-.8-.6L20.5 3zM15 19l-6-2.1V5l6 2.1V19z'/%3E%3C/svg%3E"); }
.ico-award    { --ico-svg: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 17c3.3 0 6-2.7 6-6V3H6v8c0 3.3 2.7 6 6 6zM8 5h8v6c0 2.2-1.8 4-4 4s-4-1.8-4-4V5zm1 14h6l-1.2 2H10l-1-2zm-4 0h14l-1 2H5l0-2z'/%3E%3C/svg%3E"); }
.ico-qr       { --ico-svg: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M3 3h8v8H3zM13 3h8v8h-8zM3 13h8v8H3zM13 13h3v3h-3zM18 13h3v3h-3zM13 18h3v3h-3zM18 18h3v3h-3z'/%3E%3C/svg%3E"); }