\u540c\u5b66\u4eec，\u672c\u5468\u5f00\u59cb\u8fdb\u9636\u5b66\u4e60\u9636\u6bb5，\u9884\u8ba1\u8017\u65f62-3\u5468（\u5efa\u8bae\u6bcf\u5929\u5b66\u4e601.5-2\u5c0f\u65f6，\u5468\u672b\u96c6\u4e2d\u8fdb\u884c\u6848\u4f8b\u5b9e\u64cd\u548c\u590d\u76d8） \u6838\u5fc3\u76ee\u6807：\u7a81\u7834CSS\u57fa\u7840\u74f6\u9888，\u638c\u63e1\u8fdb\u9636\u5e03\u5c40\u6280\u5de7\u3001\u6837\u5f0f\u4f18\u5316\u65b9\u6cd5\u3001\u6d4f\u89c8\u5668\u517c\u5bb9\u6027\u5904\u7406，\u80fd\u72ec\u7acb\u5b9e\u73b0\u590d\u6742\u9875\u9762\u6837\u5f0f，\u7406\u89e3CSS\u5e95\u5c42\u903b\u8f91，\u4e3a\u540e\u7eed\u54cd\u5e94\u5f0f\u3001\u6846\u67b6\u5b66\u4e60\u5960\u5b9a\u57fa\u7840\u3002 \u6838\u5fc3\u91cd\u96be\u70b9：Flex\u5e03\u5c40\u3001Grid\u5e03\u5c40\u7684\u7075\u6d3b\u8fd0\u7528；CSS\u5b9a\u4f4d\u7684\u6df1\u5c42\u903b\u8f91；BFC\u539f\u7406\u53ca\u5e94\u7528；\u6837\u5f0f\u4f18\u5148\u7ea7\u4e0e\u7ee7\u627f\u7684\u7ec6\u8282；\u6d4f\u89c8\u5668\u517c\u5bb9\u6027\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n
\n
CSS\u9009\u62e9\u5668\u8fdb\u9636\u4e0e\u4f18\u5148\u7ea7\u6df1\u5ea6\u89e3\u6790<\/p>\n
\n
\u805a\u7126\u9009\u62e9\u5668\u4e0e\u4f18\u5148\u7ea7\u6838\u5fc3\u96be\u70b9，\u638c\u63e1\u5c5e\u6027\u3001\u4f2a\u7c7b\u3001\u4f2a\u5143\u7d20\u7b49\u5168\u7c7b\u578b\u8fdb\u9636\u9009\u62e9\u5668\u7684\u7075\u6d3b\u7528\u6cd5，\u901a\u8fc7\u6848\u4f8b\u5b9e\u73b0\u5bfc\u822a\u3001\u5217\u8868\u7b49\u6837\u5f0f\u7b80\u5316\u7f16\u5199\u3002\u6df1\u5165\u7406\u89e3\u4f18\u5148\u7ea7\u6743\u91cd\u8ba1\u7b97\u89c4\u5219，\u653b\u514b\u6837\u5f0f\u51b2\u7a81\u95ee\u9898，\u660e\u6670:not()\u3001!important\u7b49\u6613\u9519\u70b9\u3002\u540c\u65f6\u5b66\u4e60\u9009\u62e9\u5668\u6027\u80fd\u4f18\u5316\u6280\u5de7，\u89c4\u907f\u901a\u914d\u7b26\u3001\u6df1\u5c42\u5d4c\u5957\u7b49\u95ee\u9898\u3002\u642d\u914d\u5b9e\u64cd\u7ec3\u4e60\u4e0e\u9488\u5bf9\u6027\u4f5c\u4e1a，\u4ece\u4ee3\u7801\u7f16\u5199\u3001\u51b2\u7a81\u89e3\u51b3\u5230\u6027\u80fd\u4f18\u5316，\u5168\u65b9\u4f4d\u638c\u63e1\u9009\u62e9\u5668\u76f8\u5173\u77e5\u8bc6，\u592f\u5b9eCSS\u6837\u5f0f\u7f16\u5199\u57fa\u7840\u3002<\/p>\n
\n
\u4e00\u3001\u5b66\u4e60\u76ee\u6807<\/p>\n
1. \u00a0\u638c\u63e1\u6240\u6709CSS\u8fdb\u9636\u9009\u62e9\u5668\u7684\u7528\u6cd5，\u80fd\u7075\u6d3b\u8fd0\u7528\u9009\u62e9\u5668\u7b80\u5316\u6837\u5f0f\u7f16\u5199； 2. \u00a0\u5f7b\u5e95\u7406\u89e3CSS\u4f18\u5148\u7ea7\u7684\u8ba1\u7b97\u89c4\u5219，\u89e3\u51b3\u6837\u5f0f\u51b2\u7a81\u95ee\u9898； 3. \u00a0\u638c\u63e1\u9009\u62e9\u5668\u7684\u6027\u80fd\u4f18\u5316\u6280\u5de7，\u907f\u514d\u65e0\u6548\u9009\u62e9\u5668\u3002<\/p>\n
\u4e8c\u3001\u6838\u5fc3\u77e5\u8bc6\u70b9（\u542b\u5b9e\u64cd）<\/p>\n
\u00a0 \u00a0 \u00a02. \u4f18\u5148\u7ea7\u8ba1\u7b97\u89c4\u5219（\u6838\u5fc3\u96be\u70b9）<\/p>\n
\u00a0 \u00a0 \u00a03. \u9009\u62e9\u5668\u6027\u80fd\u4f18\u5316<\/p>\n
\u4e09\u3001\u5f53\u65e5\u4f5c\u4e1a（30-40\u5206\u949f）<\/p>\n
1. \u00a0\u7528\u8fdb\u9636\u9009\u62e9\u5668\u7f16\u5199\u4e00\u4e2a\u5bfc\u822a\u680f\u6837\u5f0f：\u5bfc\u822a\u9879hover\u65f6\u53d8\u8272，\u5f53\u524d\u9009\u4e2d\u9879\u6dfb\u52a0\u4e0b\u5212\u7ebf（\u7528::after\u5b9e\u73b0），\u6392\u9664\u6700\u540e\u4e00\u4e2a\u5bfc\u822a\u9879（\u7528:not()）； 2. \u00a0\u7f16\u5199\u4e00\u4e2a\u6587\u7ae0\u5217\u8868，\u5b9e\u73b0\u5947\u5076\u884c\u4e0d\u540c\u80cc\u666f\u8272（:nth-child()），\u6587\u7ae0\u6807\u9898\u9996\u5b57\u6bcd\u653e\u5927（::first-letter），\u9009\u4e2d\u6587\u672c\u80cc\u666f\u8272\u6539\u4e3a\u6d45\u84dd\u8272（::selection）； 3. \u00a0\u8bbe\u8ba13\u4e2a\u6837\u5f0f\u51b2\u7a81\u6848\u4f8b，\u8ba1\u7b97\u4f18\u5148\u7ea7\u5e76\u89e3\u51b3，\u63d0\u4ea4\u4ee3\u7801\u548c\u4f18\u5148\u7ea7\u5206\u6790\u7b14\u8bb0\u3002<\/p>\n
\n
\u9644\u4ef6：CSS \u9009\u62e9\u5668\u8fdb\u9636\u7528\u6cd5\u4e0e\u4f18\u5148\u7ea7\u89c4\u5219\u6f14\u793a<\/p>\n
2026-02-10 16-51-00<\/p>\n
\n
\u00a0\u793a\u4f8b\u4ee3\u7801<\/p>\n
html
\n<!DOCTYPE html>
\n<html lang="zh-CN">
\n<head>
\n <meta charset="UTF-8">
\n <title>\u9009\u62e9\u5668\u4e0e\u4f18\u5148\u7ea7\u6f14\u793a<\/title>
\n <style>
\n \/* \u5c5e\u6027\u9009\u62e9\u5668 *\/
\n input[type="text"] { border: 2px solid #333; padding: 5px; }
\n \/* \u4f2a\u7c7b\u9009\u62e9\u5668 *\/
\n a:hover { color: #f44336; text-decoration: none; }
\n \/* \u4f2a\u5143\u7d20\u9009\u62e9\u5668 *\/
\n p::first-letter { font-size: 24px; color: #2196f3; }
\n \/* \u4f18\u5148\u7ea7\u6f14\u793a（\u7c7b>\u5143\u7d20，!important\u4f8b\u5916） *\/
\n .box { color: red !important; }
\n div { color: blue; }
\n <\/style>
\n<\/head>
\n<body>
\n <input type="text" placeholder="\u5c5e\u6027\u9009\u62e9\u5668\u6f14\u793a">
\n <a href="#">\u4f2a\u7c7bhover\u6f14\u793a<\/a>
\n <p>\u4f2a\u5143\u7d20\u9996\u5b57\u6bcd\u6f14\u793a，\u4f18\u5148\u7ea7\u6d4b\u8bd5\u5185\u5bb9\u3002<\/p>
\n <div class="box">\u4f18\u5148\u7ea7\u51b2\u7a81\u6f14\u793a（\u5e94\u663e\u793a\u7ea2\u8272）<\/div>
\n<\/body>
\n<\/html> <\/p>\n
\u4ee3\u7801\u8bf4\u660e:<\/p>\n
\u8fd9\u6bb5\u4ee3\u7801\u662f\u4e00\u4e2a\u4e13\u95e8\u7528\u4e8e\u6f14\u793aCSS\u9009\u62e9\u5668\u8fdb\u9636\u7528\u6cd5\u548c\u6837\u5f0f\u4f18\u5148\u7ea7\u89c4\u5219\u7684\u5b8c\u6574HTML\u7a0b\u5e8f，\u4ece\u5de5\u4f5c\u673a\u5236\u3001\u5c55\u793a\u6548\u679c\u3001\u8fbe\u6210\u76ee\u7684\u4e09\u4e2a\u7ef4\u5ea6\u8be6\u7ec6\u89e3\u91ca，\u5f7b\u5e95\u7406\u89e3\u6bcf\u4e00\u90e8\u5206\u7684\u4f5c\u7528\u3002<\/p>\n
\n
\u4e00\u3001\u7a0b\u5e8f\u6838\u5fc3\u5de5\u4f5c\u673a\u5236<\/p>\n
\u8fd9\u4e2a\u7a0b\u5e8f\u9075\u5faa\u300cHTML\u7ed3\u6784\u642d\u5efa\u9875\u9762\u9aa8\u67b6 + CSS\u9009\u62e9\u5668\u7cbe\u51c6\u5339\u914d\u5143\u7d20 + \u6837\u5f0f\u89c4\u5219\u751f\u6548（\u542b\u4f18\u5148\u7ea7\u5224\u5b9a）\u300d\u7684\u6838\u5fc3\u903b\u8f91，\u5177\u4f53\u62c6\u89e3\u5982\u4e0b：<\/p>\n
1. \u57fa\u7840\u7ed3\u6784\u5c42（HTML）<\/p>\n
2. \u6837\u5f0f\u89c4\u5219\u5c42（CSS）<\/p>\n
CSS\u901a\u8fc7\u4e0d\u540c\u7c7b\u578b\u7684\u9009\u62e9\u5668\u5339\u914dHTML\u5143\u7d20，\u5e76\u6309\u300c\u9009\u62e9\u5668\u7c7b\u578b\u2192\u4f18\u5148\u7ea7\u89c4\u5219\u300d\u4f9d\u6b21\u751f\u6548\u6837\u5f0f：<\/p>\n
| \n \u9009\u62e9\u5668\u7c7b\u578b<\/p>\n<\/td>\n | \n \u8bed\u6cd5\u793a\u4f8b<\/p>\n<\/td>\n | \n \u5339\u914d\u76ee\u6807<\/p>\n<\/td>\n | \n \u751f\u6548\u903b\u8f91<\/p>\n<\/td>\n<\/tr>\n | ||||
| \n \u5c5e\u6027\u9009\u62e9\u5668<\/p>\n<\/td>\n | \n input[type="text"]<\/span><\/p>\n<\/td>\n | \n \u6240\u6709type="text"<\/span>\u7684input<\/p>\n<\/td>\n | \n \u76f4\u63a5\u5339\u914d\u5143\u7d20+\u5c5e\u6027，\u7cbe\u51c6\u6837\u5f0f\u5316<\/p>\n<\/td>\n<\/tr>\n | ||||
| \n \u4f2a\u7c7b\u9009\u62e9\u5668<\/p>\n<\/td>\n | \n a:hover<\/span><\/p>\n<\/td>\n | \n \u9f20\u6807\u60ac\u6d6e\u7684a\u6807\u7b7e<\/p>\n<\/td>\n | \n \u57fa\u4e8e\u5143\u7d20\u72b6\u6001\u52a8\u6001\u751f\u6548<\/p>\n<\/td>\n<\/tr>\n | ||||
| \n \u4f2a\u5143\u7d20\u9009\u62e9\u5668<\/p>\n<\/td>\n | \n p::first-letter<\/span><\/p>\n<\/td>\n | \n p\u6807\u7b7e\u5185\u7b2c\u4e00\u4e2a\u5b57\u7b26<\/p>\n<\/td>\n | \n \u865a\u62df\u521b\u5efa\u5143\u7d20\u5e76\u6837\u5f0f\u5316<\/p>\n<\/td>\n<\/tr>\n | ||||
| \n \u7c7b\u9009\u62e9\u5668+!important<\/p>\n<\/td>\n | \n .box { color: red !important; }<\/span><\/p>\n<\/td>\n | \n \u542bclass="box"<\/span>\u7684div<\/p>\n<\/td>\n | \n \u7c7b\u9009\u62e9\u5668\u4f18\u5148\u7ea7 > \u5143\u7d20\u9009\u62e9\u5668，!important<\/span>\u5f3a\u5236\u6700\u9ad8\u4f18\u5148\u7ea7<\/p>\n<\/td>\n<\/tr>\n \u5143\u7d20\u9009\u62e9\u5668<\/p>\n<\/td>\n div { color: blue; }<\/span><\/p>\n<\/td>\n \u6240\u6709div\u5143\u7d20<\/p>\n<\/td>\n \u57fa\u7840\u9009\u62e9\u5668，\u4f18\u5148\u7ea7\u4f4e\u4e8e\u7c7b\u9009\u62e9\u5668<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n 3. \u4f18\u5148\u7ea7\u5224\u5b9a\u6838\u5fc3\u89c4\u5219<\/p>\n CSS\u6837\u5f0f\u51b2\u7a81\u65f6，\u6309\u300c\u6743\u91cd\u4ece\u9ad8\u5230\u4f4e\u300d\u751f\u6548： \u00a0<\/p>\n !important<\/span>\u00a0> \u884c\u5185\u6837\u5f0f > ID\u9009\u62e9\u5668 > \u7c7b\/\u4f2a\u7c7b\/\u5c5e\u6027\u9009\u62e9\u5668 > \u5143\u7d20\/\u4f2a\u5143\u7d20\u9009\u62e9\u5668 > \u901a\u914d\u7b26 \u00a0<\/p>\n \u672c\u7a0b\u5e8f\u4e2d：.box<\/span>（\u7c7b\u9009\u62e9\u5668）+ !important<\/span>\u00a0\u5f3a\u5236\u8986\u76d6 div<\/span>（\u5143\u7d20\u9009\u62e9\u5668）\u7684\u84dd\u8272，\u6700\u7ec8div\u663e\u793a\u7ea2\u8272\u3002<\/p>\n \u4e8c\u3001\u7a0b\u5e8f\u5c55\u793a\u6548\u679c<\/p>\n \u5c06\u4ee3\u7801\u4fdd\u5b58\u4e3a.html<\/span>\u6587\u4ef6\u5e76\u5728\u6d4f\u89c8\u5668\u6253\u5f00，\u53ef\u770b\u5230\u4ee5\u4e0b\u76f4\u89c2\u6548\u679c：<\/p>\n 1. \u9759\u6001\u6548\u679c<\/p>\n 2. \u52a8\u6001\u6548\u679c<\/p>\n \u4e09\u3001\u7a0b\u5e8f\u8fbe\u6210\u7684\u6838\u5fc3\u76ee\u7684<\/p>\n \u8fd9\u4e2a\u6f14\u793a\u7a0b\u5e8f\u7684\u8bbe\u8ba1\u76ee\u6807\u662f\u5e2e\u5b66\u4e60\u8005\u638c\u63e1CSS\u8fdb\u9636\u76842\u4e2a\u6838\u5fc3\u77e5\u8bc6\u70b9：<\/p>\n 1. \u638c\u63e13\u7c7b\u5e38\u7528\u8fdb\u9636\u9009\u62e9\u5668\u7684\u7528\u6cd5<\/p>\n 2. \u7406\u89e3\u5e76\u9a8c\u8bc1CSS\u4f18\u5148\u7ea7\u89c4\u5219<\/p>\n \u5c0f\u7ed3<\/p>\n \u00a0<\/p>\n","protected":false},"excerpt":{"rendered":" \u540c\u5b66\u4eec，\u672c\u5468\u5f00\u59cb\u8fdb\u9636\u5b66\u4e60\u9636\u6bb5，\u9884\u8ba1\u8017\u65f62-3\u5468（\u5efa\u8bae\u6bcf\u5929\u5b66\u4e601.5-2\u5c0f\u65f6，\u5468\u672b\u96c6\u4e2d\u8fdb\u884c\u6848\u4f8b\u5b9e\u64cd\u548c\u590d\u76d8） \u6838\u5fc3\u76ee\u6807：\u7a81\u7834CSS\u57fa\u7840\u74f6\u9888，\u638c\u63e1\u8fdb\u9636\u5e03\u5c40\u6280\u5de7\u3001\u6837\u5f0f\u4f18\u5316\u65b9\u6cd5\u3001\u6d4f\u89c8\u5668\u517c\u5bb9\u6027\u5904\u7406，\u80fd\u72ec\u7acb\u5b9e\u73b0\u590d\u6742\u9875\u9762\u6837\u5f0f，\u7406\u89e3CSS\u5e95\u5c42\u903b\u8f91，\u4e3a\u540e\u7eed\u54cd\u5e94\u5f0f\u3001\u6846\u67b6\u5b66\u4e60\u5960\u5b9a\u57fa\u7840\u3002 \u6838\u5fc3\u91cd\u96be\u70b9：Flex\u5e03\u5c40\u3001Grid\u5e03\u5c40\u7684\u7075\u6d3b\u8fd0\u7528；<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[7943,7942,7941,7940,7939,3823],"topic":[],"class_list":["post-74984","post","type-post","status-publish","format-standard","hentry","category-server","tag-css","tag-7942","tag-7941","tag-7940","tag-7939","tag-3823"],"yoast_head":"\n |