/* /static/css/icons.css - CSS图标库（无需字体文件） */
.icon {
    display: inline-block;
    width: 1em;
    height: 1em;
    background-color: currentColor;
    -webkit-mask-size: contain;
    mask-size: contain;
    -webkit-mask-repeat: no-repeat;
    mask-repeat: no-repeat;
    -webkit-mask-position: center;
    mask-position: center;
    vertical-align: -0.125em;
    font-size: inherit;
    line-height: 1;
}

/* 品牌和导航图标 */
.icon-handshake {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 640 512'%3E%3Cpath d='M272 128c17.7 0 32-14.3 32-32s-14.3-32-32-32H208c-17.7 0-32 14.3-32 32s14.3 32 32 32h64zm0 32H208c-53 0-96-43-96-96s43-96 96-96h64c53 0 96 43 96 96c0 30.4-14.2 57.5-36.2 75.1c26.7 13.9 58.4 20.9 92.2 20.9c11.1 0 22-1.1 32.6-3.2c5.2-.9 10.6 1.5 13.6 6.1l48 80c2.6 4.3 2.1 9.9-1.2 13.6s-9.9 2.1-13.6-1.2L456 283.2c-10.7-17.8-29.9-30.5-52.1-33.8c-10.3-1.5-20.9-2.3-31.8-2.3c-39.8 0-75.6-16.4-101.2-42.8l-16.3-16.3c-8.6-8.6-20.1-13.3-32-13.3H113.9c-12 0-23.4 4.8-31.8 13.3L48 232.2c-8.8 8.8-13.8 20.7-13.8 33.1s5 24.3 13.8 33.1l52.5 52.5c4.8 4.8 11.3 7.5 18.1 7.5s13.3-2.7 18.1-7.5l47.2-47.2c8.6-8.6 20.1-13.3 32-13.3H272c12 0 23.4 4.8 31.8 13.3l73.3 73.3c4.8 4.8 11.3 7.5 18.1 7.5s13.3-2.7 18.1-7.5l80-80c4.8-4.8 7.5-11.3 7.5-18.1s-2.7-13.3-7.5-18.1l-56.5-56.5c-8.6-8.6-13.3-20.1-13.3-32s4.8-23.4 13.3-31.8l33.9-33.9c8.6-8.6 13.3-20.1 13.3-32V144c0-17.7-14.3-32-32-32H400c-17.7 0-32 14.3-32 32v32c0 17.7 14.3 32 32 32h32c17.7 0 32-14.3 32-32V160c0-8.8-7.2-16-16-16s-16 7.2-16 16v16c0 8.8-7.2 16-16 16H400c-8.8 0-16-7.2-16-16V144c0-8.8 7.2-16 16-16h64c8.8 0 16 7.2 16 16v32z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 640 512'%3E%3Cpath d='M272 128c17.7 0 32-14.3 32-32s-14.3-32-32-32H208c-17.7 0-32 14.3-32 32s14.3 32 32 32h64zm0 32H208c-53 0-96-43-96-96s43-96 96-96h64c53 0 96 43 96 96c0 30.4-14.2 57.5-36.2 75.1c26.7 13.9 58.4 20.9 92.2 20.9c11.1 0 22-1.1 32.6-3.2c5.2-.9 10.6 1.5 13.6 6.1l48 80c2.6 4.3 2.1 9.9-1.2 13.6s-9.9 2.1-13.6-1.2L456 283.2c-10.7-17.8-29.9-30.5-52.1-33.8c-10.3-1.5-20.9-2.3-31.8-2.3c-39.8 0-75.6-16.4-101.2-42.8l-16.3-16.3c-8.6-8.6-20.1-13.3-32-13.3H113.9c-12 0-23.4 4.8-31.8 13.3L48 232.2c-8.8 8.8-13.8 20.7-13.8 33.1s5 24.3 13.8 33.1l52.5 52.5c4.8 4.8 11.3 7.5 18.1 7.5s13.3-2.7 18.1-7.5l47.2-47.2c8.6-8.6 20.1-13.3 32-13.3H272c12 0 23.4 4.8 31.8 13.3l73.3 73.3c4.8 4.8 11.3 7.5 18.1 7.5s13.3-2.7 18.1-7.5l80-80c4.8-4.8 7.5-11.3 7.5-18.1s-2.7-13.3-7.5-18.1l-56.5-56.5c-8.6-8.6-13.3-20.1-13.3-32s4.8-23.4 13.3-31.8l33.9-33.9c8.6-8.6 13.3-20.1 13.3-32V144c0-17.7-14.3-32-32-32H400c-17.7 0-32 14.3-32 32v32c0 17.7 14.3 32 32 32h32c17.7 0 32-14.3 32-32V160c0-8.8-7.2-16-16-16s-16 7.2-16 16v16c0 8.8-7.2 16-16 16H400c-8.8 0-16-7.2-16-16V144c0-8.8 7.2-16 16-16h64c8.8 0 16 7.2 16 16v32z'/%3E%3C/svg%3E");
}

.icon-home {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 576 512'%3E%3Cpath d='M575.8 255.5c0 18-15 32.1-32 32.1h-32l.7 160.2c0 2.7-.2 5.4-.5 8.1V472c0 22.1-17.9 40-40 40H456c-1.1 0-2.2 0-3.3-.1c-1.4 .1-2.8 .1-4.2 .1H416 392c-22.1 0-40-17.9-40-40V448 384c0-17.7-14.3-32-32-32H256c-17.7 0-32 14.3-32 32v64 24c0 22.1-17.9 40-40 40H160 128.1c-1.5 0-3-.1-4.5-.2c-1.2 .1-2.4 .2-3.6 .2H104c-22.1 0-40-17.9-40-40V360c0-.9 0-1.9 .1-2.8V287.6H32c-18 0-32-14-32-32.1c0-9 3-17 10-24L266.4 8c7-7 15-8 22-8s15 2 21 7L564.8 231.5c8 7 12 15 11 24z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 576 512'%3E%3Cpath d='M575.8 255.5c0 18-15 32.1-32 32.1h-32l.7 160.2c0 2.7-.2 5.4-.5 8.1V472c0 22.1-17.9 40-40 40H456c-1.1 0-2.2 0-3.3-.1c-1.4 .1-2.8 .1-4.2 .1H416 392c-22.1 0-40-17.9-40-40V448 384c0-17.7-14.3-32-32-32H256c-17.7 0-32 14.3-32 32v64 24c0 22.1-17.9 40-40 40H160 128.1c-1.5 0-3-.1-4.5-.2c-1.2 .1-2.4 .2-3.6 .2H104c-22.1 0-40-17.9-40-40V360c0-.9 0-1.9 .1-2.8V287.6H32c-18 0-32-14-32-32.1c0-9 3-17 10-24L266.4 8c7-7 15-8 22-8s15 2 21 7L564.8 231.5c8 7 12 15 11 24z'/%3E%3C/svg%3E");
}

.icon-bars {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 448 512'%3E%3Cpath d='M0 96C0 78.3 14.3 64 32 64H416c17.7 0 32 14.3 32 32s-14.3 32-32 32H32C14.3 128 0 113.7 0 96zM0 256c0-17.7 14.3-32 32-32H416c17.7 0 32 14.3 32 32s-14.3 32-32 32H32c-17.7 0-32-14.3-32-256zM448 416c0 17.7-14.3 32-32 32H32c-17.7 0-32-14.3-32-32s14.3-32 32-32H416c17.7 0 32 14.3 32 32z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 448 512'%3E%3Cpath d='M0 96C0 78.3 14.3 64 32 64H416c17.7 0 32 14.3 32 32s-14.3 32-32 32H32C14.3 128 0 113.7 0 96zM0 256c0-17.7 14.3-32 32-32H416c17.7 0 32 14.3 32 32s-14.3 32-32 32H32c-17.7 0-32-14.3-32-256zM448 416c0 17.7-14.3 32-32 32H32c-17.7 0-32-14.3-32-32s14.3-32 32-32H416c17.7 0 32 14.3 32 32z'/%3E%3C/svg%3E");
}

.icon-times {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 384 512'%3E%3Cpath d='M342.6 150.6c12.5-12.5 12.5-32.8 0-45.3s-32.8-12.5-45.3 0L192 210.7 86.6 105.4c-12.5-12.5-32.8-12.5-45.3 0s-12.5 32.8 0 45.3L146.7 256 41.4 361.4c-12.5 12.5-12.5 32.8 0 45.3s32.8 12.5 45.3 0L192 301.3 297.4 406.6c12.5 12.5 32.8 12.5 45.3 0s12.5-32.8 0-45.3L237.3 256 342.6 150.6z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 384 512'%3E%3Cpath d='M342.6 150.6c12.5-12.5 12.5-32.8 0-45.3s-32.8-12.5-45.3 0L192 210.7 86.6 105.4c-12.5-12.5-32.8-12.5-45.3 0s-12.5 32.8 0 45.3L146.7 256 41.4 361.4c-12.5 12.5-12.5 32.8 0 45.3s32.8 12.5 45.3 0L192 301.3 297.4 406.6c12.5 12.5 32.8 12.5 45.3 0s12.5-32.8 0-45.3L237.3 256 342.6 150.6z'/%3E%3C/svg%3E");
}

.icon-fire {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 448 512'%3E%3Cpath d='M159.3 5.4c7.8-7.3 19.9-7.2 27.7 .1c27.6 25.9 53.5 53.8 77.7 84c11-14.4 23.5-30.1 37-42.9c7.9-7.4 20.1-7.4 28 .1c34.6 33 63.9 76.6 84.5 118c20.3 40.8 33.8 82.5 33.8 111.9C448 404.2 348.2 512 224 512C98.4 512 0 404.1 0 276.5c0-38.4 17.8-85.3 45.4-131.7C73.3 97.7 112.7 48.6 159.3 5.4zM225.7 416c25.3 0 47.7-7 68.8-21c42.1-29.4 53.4-88.2 28.1-134.4c-4.5-9-16-9.6-22.5-2l-25.2 29.3c-6.6 7.6-18.5 7.4-24.7-.5c-16.5-21-46-58.5-62.8-79.8c-6.3-8-18.3-8.1-24.7-.1c-33.8 42.5-50.8 69.3-50.8 99.4C112 375.4 162.6 416 225.7 416z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 448 512'%3E%3Cpath d='M159.3 5.4c7.8-7.3 19.9-7.2 27.7 .1c27.6 25.9 53.5 53.8 77.7 84c11-14.4 23.5-30.1 37-42.9c7.9-7.4 20.1-7.4 28 .1c34.6 33 63.9 76.6 84.5 118c20.3 40.8 33.8 82.5 33.8 111.9C448 404.2 348.2 512 224 512C98.4 512 0 404.1 0 276.5c0-38.4 17.8-85.3 45.4-131.7C73.3 97.7 112.7 48.6 159.3 5.4zM225.7 416c25.3 0 47.7-7 68.8-21c42.1-29.4 53.4-88.2 28.1-134.4c-4.5-9-16-9.6-22.5-2l-25.2 29.3c-6.6 7.6-18.5 7.4-24.7-.5c-16.5-21-46-58.5-62.8-79.8c-6.3-8-18.3-8.1-24.7-.1c-33.8 42.5-50.8 69.3-50.8 99.4C112 375.4 162.6 416 225.7 416z'/%3E%3C/svg%3E");
}

.icon-users {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 640 512'%3E%3Cpath d='M144 0a80 80 0 1 1 0 160A80 80 0 1 1 144 0zM512 0a80 80 0 1 1 0 160A80 80 0 1 1 512 0zM0 298.7C0 239.8 47.8 192 106.7 192h42.7c15.9 0 31 3.5 44.6 9.7c-1.3 7.2-1.9 14.7-1.9 22.3c0 38.2 16.8 72.5 43.3 96c-.2 0-.4 0-.7 0H21.3C9.6 320 0 310.4 0 298.7zM405.3 320c-.2 0-.4 0-.7 0c26.6-23.5 43.3-57.8 43.3-96c0-7.6-.7-15-1.9-22.3c13.6-6.3 28.7-9.7 44.6-9.7h42.7C592.2 192 640 239.8 640 298.7c0 11.8-9.6 21.3-21.3 21.3H405.3zM224 224a96 96 0 1 1 192 0 96 96 0 1 1 -192 0zM128 485.3C128 411.7 187.7 352 261.3 352H378.7C452.3 352 512 411.7 512 485.3c0 14.7-11.9 26.7-26.7 26.7H154.7c-14.7 0-26.7-11.9-26.7-26.7z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 640 512'%3E%3Cpath d='M144 0a80 80 0 1 1 0 160A80 80 0 1 1 144 0zM512 0a80 80 0 1 1 0 160A80 80 0 1 1 512 0zM0 298.7C0 239.8 47.8 192 106.7 192h42.7c15.9 0 31 3.5 44.6 9.7c-1.3 7.2-1.9 14.7-1.9 22.3c0 38.2 16.8 72.5 43.3 96c-.2 0-.4 0-.7 0H21.3C9.6 320 0 310.4 0 298.7zM405.3 320c-.2 0-.4 0-.7 0c26.6-23.5 43.3-57.8 43.3-96c0-7.6-.7-15-1.9-22.3c13.6-6.3 28.7-9.7 44.6-9.7h42.7C592.2 192 640 239.8 640 298.7c0 11.8-9.6 21.3-21.3 21.3H405.3zM224 224a96 96 0 1 1 192 0 96 96 0 1 1 -192 0zM128 485.3C128 411.7 187.7 352 261.3 352H378.7C452.3 352 512 411.7 512 485.3c0 14.7-11.9 26.7-26.7 26.7H154.7c-14.7 0-26.7-11.9-26.7-26.7z'/%3E%3C/svg%3E");
}

/* 首页活动图标 */
.icon-tag {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 448 512'%3E%3Cpath d='M0 80V229.5c0 17 6.7 33.3 18.7 45.3l176 176c25 25 65.5 25 90.5 0L418.7 317.3c25-25 25-65.5 0-90.5l-176-176c-12-12-28.3-18.7-45.3-18.7H48C21.5 32 0 53.5 0 80zm112 32a32 32 0 1 1 0 64 32 32 0 1 1 0-64z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 448 512'%3E%3Cpath d='M0 80V229.5c0 17 6.7 33.3 18.7 45.3l176 176c25 25 65.5 25 90.5 0L418.7 317.3c25-25 25-65.5 0-90.5l-176-176c-12-12-28.3-18.7-45.3-18.7H48C21.5 32 0 53.5 0 80zm112 32a32 32 0 1 1 0 64 32 32 0 1 1 0-64z'/%3E%3C/svg%3E");
}

.icon-gift {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'%3E%3Cpath d='M190.5 68.8L225.3 128H224 152c-22.1 0-40-17.9-40-40s17.9-40 40-40h2.2c14.9 0 28.8 7.9 36.3 20.8zM64 88c0 14.4 3.5 28 9.6 40H32c-17.7 0-32 14.3-32 32v64c0 17.7 14.3 32 32 32H480c17.7 0 32-14.3 32-32V160c0-17.7-14.3-32-32-32H438.4c6.1-12 9.6-25.6 9.6-40c0-48.6-39.4-88-88-88h-2.2c-31.9 0-61.5 16.9-77.7 44.4L256 85.5l-24.1-41C215.7 16.9 186.1 0 154.2 0H152C103.4 0 64 39.4 64 88zm336 0c0 22.1-17.9 40-40 40H288h-1.3l34.8-59.2C329.1 55.9 342.9 48 357.8 48H360c22.1 0 40 17.9 40 40zM32 288V464c0 26.5 21.5 48 48 48H224V288H32zM288 512H432c26.5 0 48-21.5 48-48V288H288V512z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'%3E%3Cpath d='M190.5 68.8L225.3 128H224 152c-22.1 0-40-17.9-40-40s17.9-40 40-40h2.2c14.9 0 28.8 7.9 36.3 20.8zM64 88c0 14.4 3.5 28 9.6 40H32c-17.7 0-32 14.3-32 32v64c0 17.7 14.3 32 32 32H480c17.7 0 32-14.3 32-32V160c0-17.7-14.3-32-32-32H438.4c6.1-12 9.6-25.6 9.6-40c0-48.6-39.4-88-88-88h-2.2c-31.9 0-61.5 16.9-77.7 44.4L256 85.5l-24.1-41C215.7 16.9 186.1 0 154.2 0H152C103.4 0 64 39.4 64 88zm336 0c0 22.1-17.9 40-40 40H288h-1.3l34.8-59.2C329.1 55.9 342.9 48 357.8 48H360c22.1 0 40 17.9 40 40zM32 288V464c0 26.5 21.5 48 48 48H224V288H32zM288 512H432c26.5 0 48-21.5 48-48V288H288V512z'/%3E%3C/svg%3E");
}

.icon-money-bill {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 576 512'%3E%3Cpath d='M512 80c8.8 0 16 7.2 16 16v32H48V96c0-8.8 7.2-16 16-16H512zm16 144V416c0 8.8-7.2 16-16 16H64c-8.8 0-16-7.2-16-16V224H528zM64 32C28.7 32 0 60.7 0 96V416c0 35.3 28.7 64 64 64H512c35.3 0 64-28.7 64-64V96c0-35.3-28.7-64-64-64H64zm56 304c-13.3 0-24 10.7-24 24s10.7 24 24 24h48c13.3 0 24-10.7 24-24s-10.7-24-24-24H120zm128 0c-13.3 0-24 10.7-24 24s10.7 24 24 24H360c13.3 0 24-10.7 24-24s-10.7-24-24-24H248z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 576 512'%3E%3Cpath d='M512 80c8.8 0 16 7.2 16 16v32H48V96c0-8.8 7.2-16 16-16H512zm16 144V416c0 8.8-7.2 16-16 16H64c-8.8 0-16-7.2-16-16V224H528zM64 32C28.7 32 0 60.7 0 96V416c0 35.3 28.7 64 64 64H512c35.3 0 64-28.7 64-64V96c0-35.3-28.7-64-64-64H64zm56 304c-13.3 0-24 10.7-24 24s10.7 24 24 24h48c13.3 0 24-10.7 24-24s-10.7-24-24-24H120zm128 0c-13.3 0-24 10.7-24 24s10.7 24 24 24H360c13.3 0 24-10.7 24-24s-10.7-24-24-24H248z'/%3E%3C/svg%3E");
}

.icon-star {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 576 512'%3E%3Cpath d='M316.9 18C311.6 7 300.4 0 288.1 0s-23.4 7-28.8 18L195 150.3 51.4 171.5c-12 1.8-22 10.2-25.7 21.7s-.7 24.2 7.9 32.7L137.8 329 113.2 474.7c-2 12 3 24.2 12.9 31.3s23 8 33.8 2.3l128.3-68.5 128.3 68.5c10.8 5.7 23.9 4.9 33.8-2.3s14.9-19.3 12.9-31.3L438.5 329 542.7 225.9c8.6-8.5 11.7-21.2 7.9-32.7s-13.7-19.9-25.7-21.7L381.2 150.3 316.9 18z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 576 512'%3E%3Cpath d='M316.9 18C311.6 7 300.4 0 288.1 0s-23.4 7-28.8 18L195 150.3 51.4 171.5c-12 1.8-22 10.2-25.7 21.7s-.7 24.2 7.9 32.7L137.8 329 113.2 474.7c-2 12 3 24.2 12.9 31.3s23 8 33.8 2.3l128.3-68.5 128.3 68.5c10.8 5.7 23.9 4.9 33.8-2.3s14.9-19.3 12.9-31.3L438.5 329 542.7 225.9c8.6-8.5 11.7-21.2 7.9-32.7s-13.7-19.9-25.7-21.7L381.2 150.3 316.9 18z'/%3E%3C/svg%3E");
}

.icon-coins {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'%3E%3Cpath d='M0 256C0 114.6 114.6 0 256 0S512 114.6 512 256s-114.6 256-256 256S0 397.4 0 256zM256 64C149.1 64 64 149.1 64 256s85.1 192 192 192s192-85.1 192-192S362.9 64 256 64zm0 320c-70.7 0-128-57.3-128-128s57.3-128 128-128s128 57.3 128 128s-57.3 128-128 128zm0-224c-53 0-96 43-96 96s43 96 96 96s96-43 96-96s-43-96-96-96zm0 160c-35.3 0-64-28.7-64-64s28.7-64 64-64s64 28.7 64 64s-28.7 64-64 64z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'%3E%3Cpath d='M0 256C0 114.6 114.6 0 256 0S512 114.6 512 256s-114.6 256-256 256S0 397.4 0 256zM256 64C149.1 64 64 149.1 64 256s85.1 192 192 192s192-85.1 192-192S362.9 64 256 64zm0 320c-70.7 0-128-57.3-128-128s57.3-128 128-128s128 57.3 128 128s-57.3 128-128 128zm0-224c-53 0-96 43-96 96s43 96 96 96s96-43 96-96s-43-96-96-96zm0 160c-35.3 0-64-28.7-64-64s28.7-64 64-64s64 28.7 64 64s-28.7 64-64 64z'/%3E%3C/svg%3E");
}

.icon-gamepad {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 640 512'%3E%3Cpath d='M192 64C86 64 0 150 0 256S86 448 192 448H448c106 0 192-86 192-192s-86-192-192-192H192zM496 168a40 40 0 1 1 0 80 40 40 0 1 1 0-80zM392 304a40 40 0 1 1 80 0 40 40 0 1 1 -80 0zM168 200c0-13.3 10.7-24 24-24s24 10.7 24 24v32h32c13.3 0 24 10.7 24 24s-10.7 24-24 24H216v32c0 13.3-10.7 24-24 24s-24-10.7-24-24V280H136c-13.3 0-24-10.7-24-24s10.7-24 24-24h32V200z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 640 512'%3E%3Cpath d='M192 64C86 64 0 150 0 256S86 448 192 448H448c106 0 192-86 192-192s-86-192-192-192H192zM496 168a40 40 0 1 1 0 80 40 40 0 1 1 0-80zM392 304a40 40 0 1 1 80 0 40 40 0 1 1 -80 0zM168 200c0-13.3 10.7-24 24-24s24 10.7 24 24v32h32c13.3 0 24 10.7 24 24s-10.7 24-24 24H216v32c0 13.3-10.7 24-24 24s-24-10.7-24-24V280H136c-13.3 0-24-10.7-24-24s10.7-24 24-24h32V200z'/%3E%3C/svg%3E");
}

.icon-shield-alt {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'%3E%3Cpath d='M269.4 2.9C265.2 1 260.7 0 256 0s-9.2 1-13.4 2.9L54.3 82.8c-22 9.3-38.4 31-38.3 57.2c.5 99.2 41.3 280.7 213.6 363.2c16.7 8 36.1 8 52.8 0C454.7 420.7 495.5 239.2 496 140c.1-26.2-16.3-47.9-38.3-57.2L269.4 2.9zM144 221.3c0-33.8 27.4-61.3 61.3-61.3c16.2 0 31.8 6.5 43.3 17.9l7.4 7.4 7.4-7.4c11.5-11.5 27.1-17.9 43.3-17.9c33.8 0 61.3 27.4 61.3 61.3c0 16.2-6.5 31.8-17.9 43.3l-82.7 82.7c-6.2 6.2-16.4 6.2-22.6 0l-82.7-82.7c-11.5-11.5-17.9-27.1-17.9-43.3z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'%3E%3Cpath d='M269.4 2.9C265.2 1 260.7 0 256 0s-9.2 1-13.4 2.9L54.3 82.8c-22 9.3-38.4 31-38.3 57.2c.5 99.2 41.3 280.7 213.6 363.2c16.7 8 36.1 8 52.8 0C454.7 420.7 495.5 239.2 496 140c.1-26.2-16.3-47.9-38.3-57.2L269.4 2.9zM144 221.3c0-33.8 27.4-61.3 61.3-61.3c16.2 0 31.8 6.5 43.3 17.9l7.4 7.4 7.4-7.4c11.5-11.5 27.1-17.9 43.3-17.9c33.8 0 61.3 27.4 61.3 61.3c0 16.2-6.5 31.8-17.9 43.3l-82.7 82.7c-6.2 6.2-16.4 6.2-22.6 0l-82.7-82.7c-11.5-11.5-17.9-27.1-17.9-43.3z'/%3E%3C/svg%3E");
}

.icon-redo {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'%3E%3Cpath d='M386.3 160H336c-17.7 0-32 14.3-32 32s14.3 32 32 32H464c17.7 0 32-14.3 32-32V64c0-17.7-14.3-32-32-32s-32 14.3-32 32v51.2L414.4 97.6c-87.5-87.5-229.3-87.5-316.8 0s-87.5 229.3 0 316.8s229.3 87.5 316.8 0c12.5-12.5 12.5-32.8 0-45.3s-32.8-12.5-45.3 0c-62.5 62.5-163.8 62.5-226.3 0s-62.5-163.8 0-226.3s163.8-62.5 226.3 0L386.3 160z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'%3E%3Cpath d='M386.3 160H336c-17.7 0-32 14.3-32 32s14.3 32 32 32H464c17.7 0 32-14.3 32-32V64c0-17.7-14.3-32-32-32s-32 14.3-32 32v51.2L414.4 97.6c-87.5-87.5-229.3-87.5-316.8 0s-87.5 229.3 0 316.8s229.3 87.5 316.8 0c12.5-12.5 12.5-32.8 0-45.3s-32.8-12.5-45.3 0c-62.5 62.5-163.8 62.5-226.3 0s-62.5-163.8 0-226.3s163.8-62.5 226.3 0L386.3 160z'/%3E%3C/svg%3E");
}

/* 文章页面图标 */
.icon-calendar {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 448 512'%3E%3Cpath d='M152 24c0-13.3-10.7-24-24-24s-24 10.7-24 24V64H64C28.7 64 0 92.7 0 128v16 48V448c0 35.3 28.7 64 64 64H384c35.3 0 64-28.7 64-64V192 144 128c0-35.3-28.7-64-64-64H344V24c0-13.3-10.7-24-24-24s-24 10.7-24 24V64H152V24zM48 192H400V448c0 8.8-7.2 16-16 16H64c-8.8 0-16-7.2-16-16V192z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 448 512'%3E%3Cpath d='M152 24c0-13.3-10.7-24-24-24s-24 10.7-24 24V64H64C28.7 64 0 92.7 0 128v16 48V448c0 35.3 28.7 64 64 64H384c35.3 0 64-28.7 64-64V192 144 128c0-35.3-28.7-64-64-64H344V24c0-13.3-10.7-24-24-24s-24 10.7-24 24V64H152V24zM48 192H400V448c0 8.8-7.2 16-16 16H64c-8.8 0-16-7.2-16-16V192z'/%3E%3C/svg%3E");
}

.icon-eye {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 576 512'%3E%3Cpath d='M288 32c-80.8 0-145.5 36.8-192.6 80.6C48.6 156 17.3 208 2.5 243.7c-3.3 7.9-3.3 16.7 0 24.6C17.3 304 48.6 356 95.4 399.4C142.5 443.2 207.2 480 288 480s145.5-36.8 192.6-80.6c46.8-43.5 78.1-95.4 93-131.1c3.3-7.9 3.3-16.7 0-24.6c-14.9-35.7-46.2-87.7-93-131.1C433.5 68.8 368.8 32 288 32zM144 256a144 144 0 1 1 288 0 144 144 0 1 1 -288 0zm144-64c0 35.3-28.7 64-64 64c-7.1 0-13.9-1.2-20.3-3.3c-5.5-1.8-11.9 1.6-11.7 7.4c.3 6.9 1.3 13.8 3.2 20.7c13.7 51.2 66.4 81.6 117.6 67.9s81.6-66.4 67.9-117.6c-11.1-41.5-47.8-69.4-88.6-71.1c-5.8-.2-9.2 6.1-7.4 11.7c2.1 6.4 3.3 13.2 3.3 20.3z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 576 512'%3E%3Cpath d='M288 32c-80.8 0-145.5 36.8-192.6 80.6C48.6 156 17.3 208 2.5 243.7c-3.3 7.9-3.3 16.7 0 24.6C17.3 304 48.6 356 95.4 399.4C142.5 443.2 207.2 480 288 480s145.5-36.8 192.6-80.6c46.8-43.5 78.1-95.4 93-131.1c3.3-7.9 3.3-16.7 0 24.6c-14.9-35.7-46.2-87.7-93-131.1C433.5 68.8 368.8 32 288 32zM144 256a144 144 0 1 1 288 0 144 144 0 1 1 -288 0zm144-64c0 35.3-28.7 64-64 64c-7.1 0-13.9-1.2-20.3-3.3c-5.5-1.8-11.9 1.6-11.7 7.4c.3 6.9 1.3 13.8 3.2 20.7c13.7 51.2 66.4 81.6 117.6 67.9s81.6-66.4 67.9-117.6c-11.1-41.5-47.8-69.4-88.6-71.1c-5.8-.2-9.2 6.1-7.4 11.7c2.1 6.4 3.3 13.2 3.3 20.3z'/%3E%3C/svg%3E");
}

/* 页脚图标 */
.icon-copyright {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'%3E%3Cpath d='M256 48a208 208 0 1 1 0 416 208 208 0 1 1 0-416zm0 464A256 256 0 1 0 256 0a256 256 0 1 0 0 512zM199.4 312.6c-31.2-31.2-31.2-81.9 0-113.1s81.9-31.2 113.1 0c9.4 9.4 24.6 9.4 33.9 0s9.4-24.6 0-33.9c-50-50-131-50-181 0s-50 131 0 181s131 50 181 0c9.4-9.4 9.4-24.6 0-33.9s-24.6-9.4-33.9 0c-31.2 31.2-81.9 31.2-113.1 0z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'%3E%3Cpath d='M256 48a208 208 0 1 1 0 416 208 208 0 1 1 0-416zm0 464A256 256 0 1 0 256 0a256 256 0 1 0 0 512zM199.4 312.6c-31.2-31.2-31.2-81.9 0-113.1s81.9-31.2 113.1 0c9.4 9.4 24.6 9.4 33.9 0s9.4-24.6 0-33.9c-50-50-131-50-181 0s-50 131 0 181s131 50 181 0c9.4-9.4 9.4-24.6 0-33.9s-24.6-9.4-33.9 0c-31.2 31.2-81.9 31.2-113.1 0z'/%3E%3C/svg%3E");
}

.icon-shopping-cart {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 576 512'%3E%3Cpath d='M0 24C0 10.7 10.7 0 24 0H69.5c22 0 41.5 12.8 50.6 32h411c26.3 0 45.5 25 38.6 50.4l-41 152.3c-8.5 31.4-37 53.3-69.5 53.3H170.7l5.4 28.5c2.2 11.3 12.1 19.5 23.6 19.5H488c13.3 0 24 10.7 24 24s-10.7 24-24 24H199.7c-34.6 0-64.3-24.6-70.7-58.5L77.4 54.5c-.7-3.8-4-6.5-7.9-6.5H24C10.7 48 0 37.3 0 24zM128 464a48 48 0 1 1 96 0 48 48 0 1 1 -96 0zm336-48a48 48 0 1 1 0 96 48 48 0 1 1 0-96z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 576 512'%3E%3Cpath d='M0 24C0 10.7 10.7 0 24 0H69.5c22 0 41.5 12.8 50.6 32h411c26.3 0 45.5 25 38.6 50.4l-41 152.3c-8.5 31.4-37 53.3-69.5 53.3H170.7l5.4 28.5c2.2 11.3 12.1 19.5 23.6 19.5H488c13.3 0 24 10.7 24 24s-10.7 24-24 24H199.7c-34.6 0-64.3-24.6-70.7-58.5L77.4 54.5c-.7-3.8-4-6.5-7.9-6.5H24C10.7 48 0 37.3 0 24zM128 464a48 48 0 1 1 96 0 48 48 0 1 1 -96 0zm336-48a48 48 0 1 1 0 96 48 48 0 1 1 0-96z'/%3E%3C/svg%3E");
}

.icon-trophy {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 576 512'%3E%3Cpath d='M400 0H176c-26.5 0-48.1 21.8-47.1 48.2c.2 5.3 .4 10.6 .7 15.8H24C10.7 64 0 74.7 0 88c0 92.6 33.5 157 78.5 200.7c44.3 43.1 98.3 64.8 138.1 75.8c23.4 6.5 39.4 26 39.4 45.6c0 20.9-17 37.9-37.9 37.9H192c-17.7 0-32 14.3-32 32s14.3 32 32 32H384c17.7 0 32-14.3 32-32s-14.3-32-32-32H357.9C337 448 320 431 320 410.1c0-19.6 15.9-39.2 39.4-45.6c39.9-11 93.9-32.7 138.2-75.8C542.5 245 576 180.6 576 88c0-13.3-10.7-24-24-24H446.4c.3-5.2 .5-10.4 .7-15.8C448.1 21.8 426.5 0 400 0zM48.9 112h84.4c9.1 90.1 29.2 150.3 51.9 190.6c-24.9-11-50.8-26.5-73.2-48.3c-32-31.1-58-76-63-142.3zM464.1 254.3c-22.4 21.8-48.3 37.3-73.2 48.3c22.7-40.3 42.8-100.5 51.9-190.6h84.4c-5.1 66.3-31.1 111.2-63 142.3z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 576 512'%3E%3Cpath d='M400 0H176c-26.5 0-48.1 21.8-47.1 48.2c.2 5.3 .4 10.6 .7 15.8H24C10.7 64 0 74.7 0 88c0 92.6 33.5 157 78.5 200.7c44.3 43.1 98.3 64.8 138.1 75.8c23.4 6.5 39.4 26 39.4 45.6c0 20.9-17 37.9-37.9 37.9H192c-17.7 0-32 14.3-32 32s14.3 32 32 32H384c17.7 0 32-14.3 32-32s-14.3-32-32-32H357.9C337 448 320 431 320 410.1c0-19.6 15.9-39.2 39.4-45.6c39.9-11 93.9-32.7 138.2-75.8C542.5 245 576 180.6 576 88c0-13.3-10.7-24-24-24H446.4c.3-5.2 .5-10.4 .7-15.8C448.1 21.8 426.5 0 400 0zM48.9 112h84.4c9.1 90.1 29.2 150.3 51.9 190.6c-24.9-11-50.8-26.5-73.2-48.3c-32-31.1-58-76-63-142.3zM464.1 254.3c-22.4 21.8-48.3 37.3-73.2 48.3c22.7-40.3 42.8-100.5 51.9-190.6h84.4c-5.1 66.3-31.1 111.2-63 142.3z'/%3E%3C/svg%3E");
}

/* 分页图标 */
.icon-chevron-left {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 320 512'%3E%3Cpath d='M9.4 233.4c-12.5 12.5-12.5 32.8 0 45.3l192 192c12.5 12.5 32.8 12.5 45.3 0s12.5-32.8 0-45.3L77.3 256 246.6 86.6c12.5-12.5 12.5-32.8 0-45.3s-32.8-12.5-45.3 0l-192 192z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 320 512'%3E%3Cpath d='M9.4 233.4c-12.5 12.5-12.5 32.8 0 45.3l192 192c12.5 12.5 32.8 12.5 45.3 0s12.5-32.8 0-45.3L77.3 256 246.6 86.6c12.5-12.5 12.5-32.8 0-45.3s-32.8-12.5-45.3 0l-192 192z'/%3E%3C/svg%3E");
}

.icon-chevron-right {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 320 512'%3E%3Cpath d='M310.6 233.4c12.5 12.5 12.5 32.8 0 45.3l-192 192c-12.5 12.5-32.8 12.5-45.3 0s-12.5-32.8 0-45.3L242.7 256 73.4 86.6c-12.5-12.5-12.5-32.8 0-45.3s32.8-12.5 45.3 0l192 192z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 320 512'%3E%3Cpath d='M310.6 233.4c12.5 12.5 12.5 32.8 0 45.3l-192 192c-12.5 12.5-32.8 12.5-45.3 0s-12.5-32.8 0-45.3L242.7 256 73.4 86.6c-12.5-12.5-12.5-32.8 0-45.3s32.8-12.5 45.3 0l192 192z'/%3E%3C/svg%3E");
}

/* 尺寸控制 */
.icon-sm { width: 0.75em; height: 0.75em; }
.icon-lg { width: 1.5em; height: 1.5em; }
.icon-xl { width: 2em; height: 2em; }

/* 动画效果 */
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 兼容性处理 */
@supports not (-webkit-mask-image: none) {
    .icon {
        background-color: transparent;
        background-size: contain;
        background-repeat: no-repeat;
        background-position: center;
    }
    
    .icon-handshake { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 640 512' fill='currentColor'%3E%3Cpath d='M272 128c17.7 0 32-14.3 32-32s-14.3-32-32-32H208c-17.7 0-32 14.3-32 32s14.3 32 32 32h64zm0 32H208c-53 0-96-43-96-96s43-96 96-96h64c53 0 96 43 96 96c0 30.4-14.2 57.5-36.2 75.1c26.7 13.9 58.4 20.9 92.2 20.9c11.1 0 22-1.1 32.6-3.2c5.2-.9 10.6 1.5 13.6 6.1l48 80c2.6 4.3 2.1 9.9-1.2 13.6s-9.9 2.1-13.6-1.2L456 283.2c-10.7-17.8-29.9-30.5-52.1-33.8c-10.3-1.5-20.9-2.3-31.8-2.3c-39.8 0-75.6-16.4-101.2-42.8l-16.3-16.3c-8.6-8.6-20.1-13.3-32-13.3H113.9c-12 0-23.4 4.8-31.8 13.3L48 232.2c-8.8 8.8-13.8 20.7-13.8 33.1s5 24.3 13.8 33.1l52.5 52.5c4.8 4.8 11.3 7.5 18.1 7.5s13.3-2.7 18.1-7.5l47.2-47.2c8.6-8.6 20.1-13.3 32-13.3H272c12 0 23.4 4.8 31.8 13.3l73.3 73.3c4.8 4.8 11.3 7.5 18.1 7.5s13.3-2.7 18.1-7.5l80-80c4.8-4.8 7.5-11.3 7.5-18.1s-2.7-13.3-7.5-18.1l-56.5-56.5c-8.6-8.6-13.3-20.1-13.3-32s4.8-23.4 13.3-31.8l33.9-33.9c8.6-8.6 13.3-20.1 13.3-32V144c0-17.7-14.3-32-32-32H400c-17.7 0-32 14.3-32 32v32c0 17.7 14.3 32 32 32h32c17.7 0 32-14.3 32-32V160c0-8.8-7.2-16-16-16s-16 7.2-16 16v16c0 8.8-7.2 16-16 16H400c-8.8 0-16-7.2-16-16V144c0-8.8 7.2-16 16-16h64c8.8 0 16 7.2 16 16v32z'/%3E%3C/svg%3E"); }
    
    /* 其他图标的fallback背景图片 */
    .icon-home { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 576 512' fill='currentColor'%3E%3Cpath d='M575.8 255.5c0 18-15 32.1-32 32.1h-32l.7 160.2c0 2.7-.2 5.4-.5 8.1V472c0 22.1-17.9 40-40 40H456c-1.1 0-2.2 0-3.3-.1c-1.4 .1-2.8 .1-4.2 .1H416 392c-22.1 0-40-17.9-40-40V448 384c0-17.7-14.3-32-32-32H256c-17.7 0-32 14.3-32 32v64 24c0 22.1-17.9 40-40 40H160 128.1c-1.5 0-3-.1-4.5-.2c-1.2 .1-2.4 .2-3.6 .2H104c-22.1 0-40-17.9-40-40V360c0-.9 0-1.9 .1-2.8V287.6H32c-18 0-32-14-32-32.1c0-9 3-17 10-24L266.4 8c7-7 15-8 22-8s15 2 21 7L564.8 231.5c8 7 12 15 11 24z'/%3E%3C/svg%3E"); }
}