{"id":11972,"date":"2025-12-22T09:00:48","date_gmt":"2025-12-22T01:00:48","guid":{"rendered":"https:\/\/www.zhangxinxu.com\/wordpress\/?p=11972"},"modified":"2025-12-22T09:00:48","modified_gmt":"2025-12-22T01:00:48","slug":"css-anchor-container-query","status":"publish","type":"post","link":"https:\/\/www.zhangxinxu.com\/wordpress\/2025\/12\/css-anchor-container-query\/","title":{"rendered":"\u8865\u5168\u4e0d\u8db3\uff0cCSS\u951a\u70b9\u5b9a\u4f4d\u652f\u6301\u951a\u5b9a\u5bb9\u5668\u56de\u9000\u68c0\u6d4b\u4e86"},"content":{"rendered":"<p>by <a href=\"https:\/\/www.zhangxinxu.com\/\">zhangxinxu<\/a> from <a href=\"https:\/\/www.zhangxinxu.com\/wordpress\/?p=11972\">https:\/\/www.zhangxinxu.com\/wordpress\/?p=11972<\/a><br \/>\n\u672c\u6587\u53ef\u5168\u6587\u8f6c\u8f7d\uff0c\u4f46\u9700\u8981\u4fdd\u7559\u539f\u4f5c\u8005\u3001\u51fa\u5904\u4ee5\u53ca\u6587\u4e2d\u94fe\u63a5\uff0cAI\u6293\u53d6\u4fdd\u7559\u539f\u6587\u5730\u5740\uff0c\u4efb\u4f55\u7f51\u7ad9\u5747\u53ef\u6458\u8981\u805a\u5408\uff0c\u5546\u7528\u8bf7\u8054\u7cfb\u6388\u6743\u3002<\/p>\n<h3>\u4e00\u3001CSS\u951a\u70b9\u5b9a\u4f4d\u7684\u4e0d\u8db3<\/h3>\n<p>CSS\u951a\u70b9\u5b9a\u4f4d\u662f\u975e\u5e38\u5f3a\u5927\u4e14\u5b9e\u7528\u7684CSS\u65b0\u7279\u6027\uff0c\u8fd9\u4e2a\u7279\u6027\u6211\u53bb\u5e74\u5c31\u4ecb\u7ecd\u8fc7\uff0c\u53c2\u89c1\u201c<a href=\"https:\/\/www.zhangxinxu.com\/wordpress\/2024\/06\/css-anchor-positioning-api\/\">\u5168\u65b0\u7684CSS Anchor Positioning\u951a\u70b9\u5b9a\u4f4dAPI<\/a>\u201d<\/p>\n<p>\u867d\u7136\u5f3a\u5927\uff0c\u4f46\u4e0d\u5b8c\u7f8e\u3002<\/p>\n<p>\u8fd9\u4e2a\u95ee\u9898\u6211\u5728\u5347\u7ea7LuLu UI\u7684Select\u7ec4\u4ef6\u7684\u7684\u65f6\u5019\u4e5f\u9047\u5230\u8fc7\uff0c\u770b\u4e0b\u56fe\u4e00\u76ee\u4e86\u7136\uff1a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202512\/2025-12-20_221510.png\" width=\"230\" height=\"340\" alt=\"\u4e0b\u62c9\u5706\u89d2\u95ee\u9898\" class=\"alignnone size-medium\" \/><\/p>\n<p>\u770b\u7bad\u5934\u6307\u793a\u7684\u90a3\u91cc\uff0c\u5706\u89d2\u662f\u5728\u4e0a\u9762\u7684\uff0c\u5b9e\u9645\u4e0a\uff0c\u5f53\u5217\u8868\u671d\u4e0a\u7684\u65f6\u5019\uff08\u5e95\u90e8\u7a7a\u95f4\u4e0d\u8db3\uff09\uff0c\u5706\u89d2\u5e94\u8be5\u5728\u5de6\u4e0b\u65b9\u548c\u53f3\u4e0b\u65b9\u3002<\/p>\n<p>\u4e3a\u4ec0\u4e48\u4f1a\u51fa\u73b0\u8fd9\u79cd\u60c5\u51b5\uff0c\u90a3\u5c31\u662f\u56e0\u4e3aCSS\u951a\u70b9\u5b9a\u4f4d\u4f7f\u7528\u5019\u8865\u5b9a\u4f4d\u7684\u65f6\u5019\uff0c\u5f00\u53d1\u4eba\u5458\u662f\u4e0d\u77e5\u9053\u7684\uff0c\u5c31\u6ca1\u6709\u5728\u4f7f\u7528\u5019\u8865\u5b9a\u4f4d\u7684\u65f6\u5019\u8fdb\u884c\u4e13\u95e8\u7684\u5904\u7406\u3002<\/p>\n<p>\u5728\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\uff0cLuLu UI\u4e0b\u62c9\u6846\u671d\u4e0a\u7684\u6837\u5f0f\u5904\u7406\u6700\u540e\u8fd8\u662f\u653e\u5f03\u4e86\u951a\u70b9\u5b9a\u4f4d\u7684\u5019\u8865\u4f4d\u7f6e\u65b9\u6cd5\u3002<\/p>\n<p>\u4e0d\u8fc7\uff0c\u73b0\u5728\uff0cChrome 143+\u65b0\u652f\u6301\u4e86\u4e00\u4e2a\u7279\u6027\uff0c\u53ef\u4ee5\u5b9e\u73b0\u951a\u5b9a\u5bb9\u5668\u56de\u9000\u68c0\u6d4b\u4e86\u3002<\/p>\n<h3>\u4e8c\u3001\u56de\u9000\u68c0\u6d4b\u8bed\u6cd5\u7684\u4f7f\u7528<\/h3>\n<p>CSS\u951a\u70b9\u5b9a\u4f4d\u7684\u56de\u9000\u68c0\u6d4b\u4f7f\u7528\u5f88\u7b80\u5355\u3002<\/p>\n<p>\u7b2c\u4e00\u6b65\uff0c\u8bbe\u7f6e\u5bb9\u5668\u7c7b\u578b\u4e3a<code>anchored<\/code>\uff0c\u540c\u65f6\u6307\u5b9a\u81ea\u52a8\u56de\u9000\u7684\u65b9\u4f4d\u7c7b\u578b\uff0c\u8fd9\u4e2a\u5bf9\u5e94\u7684CSS\u5c5e\u6027\u662f<code>position-try-fallbacks<\/code>\u5c5e\u6027\uff0c\u4f8b\u5982\u8bbe\u7f6e\u8fb9\u754c\u81ea\u52a8\u5782\u76f4\u7ffb\u8f6c\uff1a<\/p>\n<pre>.float-element {\r\n  position-try-fallbacks: flip-block;\r\n  container-type: anchored;\r\n}<\/pre>\n<p>\u7b2c\u4e8c\u6b65\uff0c\u4f7f\u7528<code>@container<\/code> <code>anchored()<\/code>\u51fd\u6570\u8fdb\u884c\u5339\u914d\uff0c\u793a\u610f\uff1a<\/p>\n<pre>@container anchored(fallback: flip-block) {\r\n  .float-element {\r\n    \/* \u5982\u679c\u5782\u76f4\u5b9a\u4f4d\u65b9\u5411\u6539\u53d8\uff0c\u5982\u4f55\u5982\u4f55\u2026\u2026 *\/\r\n  }\r\n}<\/pre>\n<p>\u5c31\u53ef\u4ee5\u4e86\uff01<\/p>\n<h3>\u4e09\u3001fallback\u6848\u4f8b<\/h3>\n<p>\u6700\u597d\u7684\u5b66\u4e60\u65b9\u6cd5\u8fd8\u662f\u6848\u4f8b\uff0c\u60a8\u53ef\u4ee5\u72e0\u72e0\u5730\u70b9\u51fb\u8fd9\u91cc\uff1a<a href=\"https:\/\/www.zhangxinxu.com\/study\/202512\/css-container-anchored-fallback-demo.php\" rel=\"noopener\" target=\"_blank\">CSS\u951a\u70b9\u5b9a\u4f4d\u56de\u9000\u68c0\u6d4b\u4e0etooltip\u6548\u679c\u5b9e\u73b0demo<\/a><\/p>\n<p>\u5728\u9ed8\u8ba4\u72b6\u6001\u4e0b\uff0c\u9ed1\u8272\u63d0\u793a\u6846\u662f\u5728\u4e0a\u9762\u7684\uff0c\u7bad\u5934\u671d\u4e0b\u3002<\/p>\n<p>\u968f\u7740\u6eda\u52a8\u8fdb\u884c\uff0c\u5f53\u63d0\u793a\u6846\u89e6\u78b0\u5230\u6d4f\u89c8\u5668\u4e0a\u8fb9\u7f18\u7684\u65f6\u5019\uff0c\u63d0\u793a\u6846\u7684\u4f4d\u7f6e\u5c31\u4f1a\u4f7f\u7528\u5019\u8865\u4f4d\u7f6e\uff0c\u5782\u76f4\u7ffb\u8f6c\uff0c\u6b64\u65f6\uff0c\u5927\u5bb6\u53ef\u4ee5\u770b\u5230\u7bad\u5934\u4f4d\u7f6e\u671d\u4e0a\u4e86\uff0c\u8fd9\u5c31\u662f\u7528\u7684\u65b0\u7684\u8bed\u6cd5\u5b9e\u73b0\u7684\u3002<\/p>\n<p>\u4ee5\u4e0a\u6548\u679c\u9700\u8981Chrome 143+\u6d4f\u89c8\u5668\u652f\u6301\uff0c\u5982\u679c\u60a8\u7684\u6d4f\u89c8\u5668\u4e0d\u6ee1\u8db3\u6761\u4ef6\uff0c\u4e5f\u53ef\u4ee5\u67e5\u770b\u4e0b\u9762\u7684GIF\u5f55\u5c4f\u6548\u679c\uff0c\u4f53\u4f1a\u6211\u8bf4\u7684\u610f\u601d\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202512\/tips-fallback.gif\" width=\"240\" height=\"179\" alt=\"\u8fb9\u7f18\u81ea\u52a8\u7ffb\u8f6cGIF\" class=\"alignnone size-medium\" \/><\/p>\n<h4>\u5b9e\u73b0\u4ee3\u7801<\/h4>\n<p>HTML\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<pre>&lt;span class=\"tooltip\"&gt;\u6211\u662f\u63d0\u793a\u5185\u5bb9&lt;\/span&gt;\r\n&lt;button class=\"anchor\"&gt;\u6211\u662f\u6309\u94ae&lt;\/button&gt;<\/pre>\n<p>CSS\u5b8c\u6574\u4ee3\u7801\uff1a<\/p>\n<pre>.anchor {\r\n  anchor-name: --my-anchor;\r\n}\r\n\r\n\/* \u63d0\u793a\u6d6e\u5c42\u5143\u7d20 *\/\r\n.tooltip {\r\n  position: fixed;\r\n  margin-top: 1rem;\r\n  position-anchor: --my-anchor;\r\n  position-area: bottom;\r\n  \/* \u5782\u76f4\u65b9\u5411\u7ffb\u8f6c *\/\r\n  position-try-fallbacks: flip-block; \r\n  \/* \u8bbe\u7f6e\u4e3a\u951a\u70b9\u67e5\u8be2\u5bb9\u5668\u7c7b\u578b *\/\r\n  container-type: anchored;\r\n\r\n  \/* \u5411\u4e0a\u5c0f\u4e09\u89d2\u6548\u679c *\/\r\n  &amp;::before {\r\n    content: '';\r\n    position: absolute;\r\n    bottom: 100%; \r\n    inset-inline: 0;\r\n    width: 1em;\r\n    margin-inline: auto;\r\n    aspect-ratio: 3\/2;\r\n    clip-path: polygon(50% 0, 100% 100%, 0% 100%);\r\n    background: inherit;\r\n  }\r\n  background: #121212;\r\n  color: #fff;\r\n  padding: 4px 8px;\r\n}\r\n\r\n\/* \u5982\u679c\u89e6\u53d1\u4e86\u5782\u76f4\u7ffb\u8f6c *\/\r\n@container anchored(fallback: flip-block) {\r\n  .tooltip::before {\r\n    \/* \u5c0f\u4e09\u89d2\u7ffb\u8f6c\uff0c\u5b9a\u4f4d\u8c03\u6574 *\/\r\n    scale: 1 -1;\r\n    bottom: auto;\r\n    top: 100%;\r\n  }\r\n}<\/pre>\n<h3>\u56db\u3001\u70b9\u5230\u4e3a\u6b62\u3001\u7ed3\u8bed<\/h3>\n<p>\u5173\u4e8eCSS\u951a\u70b9\u5b9a\u4f4d\u5bb9\u5668\u67e5\u8be2\uff0c\u672c\u6587\u5c31\u5148\u8bf4\u8fd9\u4e48\u591a\uff0c\u4e0d\u505a\u8fdb\u4e00\u6b65\u5c55\u5f00\uff0c\u4e3a\u4ec0\u4e48\u5462\uff1f<\/p>\n<p>\u5f88\u7b80\u5355\uff0c\u517c\u5bb9\u6027\u8fd8\u5f88\u4e00\u822c\uff0c\u76ee\u524dChrome 143\u624d\u652f\u6301\uff0c\u800cChrome 143\u5c31\u662f\u6700\u8fd1\u7684\u6b63\u5f0f\u7248\u672c\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202512\/2025-12-22_084338.png\" width=\"656\" height=\"321\" alt=\"\u951a\u70b9\u4f4d\u7f6e\u67e5\u8be2\u517c\u5bb9\u6027\" class=\"alignnone size-medium\" \/><\/p>\n<p>\u8003\u8651\u5230\u6211\u73b0\u5728\u7684\u5e74\u7eaa\uff0c\u4e0d\u77e5\u9053\u6709\u751f\u4e4b\u5e74\uff0c\u6709\u6ca1\u6709\u53ef\u80fd\u5728\u6b63\u5f0f\u9879\u76ee\u4e2d\u4f7f\u7528\u8fd9\u4e2a\u7279\u6027\u3002<\/p>\n<p>\u563f\u563f\uff01<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202512\/2025-12-22_085135.jpg\" width=\"194\" height=\"144\" alt=\"\u563f\u563f\u4e00\u7b11\" class=\"alignnone size-medium\" \/><\/p>\n<p>\u672c\u6587\u4e3a\u539f\u521b\u6587\u7ae0\uff0c\u4f1a\u7ecf\u5e38\u66f4\u65b0\u77e5\u8bc6\u70b9\u4ee5\u53ca\u4fee\u6b63\u4e00\u4e9b\u9519\u8bef\uff0c\u56e0\u6b64\u8f6c\u8f7d\u8bf7\u4fdd\u7559\u539f\u51fa\u5904\uff0c\u65b9\u4fbf\u6eaf\u6e90\uff0c\u907f\u514d\u9648\u65e7\u9519\u8bef\u77e5\u8bc6\u7684\u8bef\u5bfc\uff0c\u540c\u65f6\u6709\u66f4\u597d\u7684\u9605\u8bfb\u4f53\u9a8c\u3002<br \/>\n\u672c\u6587\u5730\u5740\uff1a<a href=\"https:\/\/www.zhangxinxu.com\/wordpress\/?p=11972\">https:\/\/www.zhangxinxu.com\/wordpress\/?p=11972<\/a><\/p>\n<p>\uff08\u672c\u7bc7\u5b8c\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202512\/anchored-cover.jpg\" width=\"160\" height=\"104\" alt=\"CSS\u951a\u70b9\u4f4d\u7f6e\u5bb9\u5668\u67e5\u8be2\u5c01\u9762\u56fe\" class=\"alignright size-medium\" loading=\"lazy\" \/><\/p>\n<p>CSS\u951a\u5b9a\u5b9a\u4f4d\u867d\u7136\u5f3a\u5927\uff0c\u5b9e\u7528\uff0c\u4f46\u662f\u8fd8\u662f\u6709\u4e2a\u4e0d\u8db3\uff0c\u5c31\u662f\u5982\u679c\u5143\u7d20\u5728\u8fb9\u7f18\u5904\u89e6\u53d1\u5019\u8865\u5b9a\u4f4d\uff0c\u6d4f\u89c8\u5668\u662f\u65e0\u6cd5\u611f\u77e5\u7684\uff0c\u5bfc\u81f4\u5f88\u591a\u4ea4\u4e92\u6548\u679c\u5e76\u4e0d\u80fd\u7eafCSS\u5b9e\u73b0\uff0c\u529f\u4e8f\u4e00\u7bd1\uff0c\u73b0\u5728\uff0cChrome\u6700\u65b0\u7248\u672c\u5df2\u7ecf\u8865\u5168\u4e86\u8fd9\u4e2a\u4e0d\u8db3\uff0cCSS\u951a\u70b9\u5b9a\u4f4d\u5df2\u7ecf\u8d8b\u4e8e\u5b8c\u7f8e\uff0c\u8d76\u5feb\u5b66\u4e60\u8d77\u6765\u5427\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[1861,1862,2092,534,444,1977],"_links":{"self":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts\/11972"}],"collection":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/comments?post=11972"}],"version-history":[{"count":5,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts\/11972\/revisions"}],"predecessor-version":[{"id":12019,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts\/11972\/revisions\/12019"}],"wp:attachment":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/media?parent=11972"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/categories?post=11972"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/tags?post=11972"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}