字体美化：中文优先字体栈；字体平滑；根字号可选缩放；描边(含粗体修正)+多向阴影；站点三态策略；默认排除清单；轻量面板；不改外链CSS。
// ==UserScript==
// @name Font Rendering Lite (Core + Stroke/Shadow + Site Policy)
// @namespace https://www.bianwenbo.com
// @version 0.8.1
// @description 字体美化：中文优先字体栈；字体平滑；根字号可选缩放；描边(含粗体修正)+多向阴影；站点三态策略；默认排除清单；轻量面板；不改外链CSS。
// @author bianwenbo
// @match *://*/*
// @run-at document-start
// @grant GM_getValue
// @grant GM_setValue
// @grant GM_registerMenuCommand
// @license MIT
// ==/UserScript==
(function () {
'use strict';
const HOST = location.host;
const KEY_GLOBAL = 'frLite:global';
const KEY_SITE_PREFIX = 'frLite:site:';
// 默认配置：已按你的习惯开启描边/阴影等
const DEFAULTS = {
enabled: true,
fontFamily: `"Microsoft YaHei", "Microsoft Yahei UI", "PingFang SC", "Hiragino Sans GB", "Noto Sans CJK SC", system-ui, -apple-system, Arial, Helvetica, sans-serif`,
monoFamily: `ui-monospace, "SFMono-Regular", Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace`,
smoothing: true,
scale: 1.0, // 仅影响 rem
strokeEnabled: true,
strokeWidthEm: 0.015,
strokeColor: 'rgba(0,0,0,0.22)',
boldAdjustEnabled: true,
boldFactor: 0.6,
shadowEnabled: true,
shadowSizeEm: 0.075,
shadowColor: '#7C7CDDCC',
site: {
enabled: null,
fontFamily: null,
monoFamily: null,
smoothing: null,
scale: null,
strokeEnabled: null,
strokeWidthEm: null,
strokeColor: null,
boldAdjustEnabled: null,
boldFactor: null,
shadowEnabled: null,
shadowSizeEm: null,
shadowColor: null
}
};
function deepClone(o){ return JSON.parse(JSON.stringify(o)); }
function loadConfig() {
const g = Object.assign(deepClone(DEFAULTS), GM_getValue(KEY_GLOBAL) || {});
const s = Object.assign(deepClone(DEFAULTS.site), GM_getValue(KEY_SITE_PREFIX + HOST) || {});
g.site = s; return g;
}
function saveGlobal(partial){ GM_setValue(KEY_GLOBAL, Object.assign({}, GM_getValue(KEY_GLOBAL) || {}, partial)); }
function saveSite(partial){ GM_setValue(KEY_SITE_PREFIX + HOST, Object.assign({}, GM_getValue(KEY_SITE_PREFIX + HOST) || {}, partial)); }
let CFG = loadConfig();
function eff(k){ const v = CFG.site[k]; return (v === null || v === undefined) ? CFG[k] : v; }
function isEnabled(){
const s = CFG.site.enabled;
if (s === true) return true;
if (s === false) return false;
return !!CFG.enabled;
}
const STYLE_ID = 'fr-lite-style';
const CLASS_ENABLED = 'fr-lite-enabled';
const CLASS_STROKE = 'fr-lite-stroke';
const CLASS_SHADOW = 'fr-lite-shadow';
const CLASS_BOLDADJ = 'fr-lite-boldadj';
const VAR = (name) => `--frl-${name}`;
const cssString = (v)=> (v !== null && v !== undefined) ? String(v) : '';
function buildStyle(){
const font = eff('fontFamily');
const mono = eff('monoFamily');
const smoothing = !!eff('smoothing');
const scale = Number(eff('scale')) || 1;
const strokeEnabled = !!eff('strokeEnabled');
const strokeW = Number(eff('strokeWidthEm')) || 0;
const strokeColor = cssString(eff('strokeColor')) || 'rgba(0,0,0,0.2)';
const boldAdj = !!eff('boldAdjustEnabled');
const boldFactor = Number(eff('boldFactor')) || 0.6;
const shadowEnabled = !!eff('shadowEnabled');
const shadowSize = Number(eff('shadowSizeEm')) || 0;
const shadowColor = cssString(eff('shadowColor')) || 'rgba(0,0,0,0.2)';
// 生成 8 向阴影字符串（附中心轻微模糊），单位使用 em
const makeShadow = (sz, color) => {
const s = Number(sz) || 0;
if (s <= 0) return 'none';
const blur = Math.max(s * 0.2, 0.01).toFixed(3);
return `
-${s}em -${s}em 0 ${color},
0 -${s}em 0 ${color},
${s}em -${s}em 0 ${color},
${s}em 0 0 ${color},
${s}em ${s}em 0 ${color},
0 ${s}em 0 ${color},
-${s}em ${s}em 0 ${color},
-${s}em 0 0 ${color},
0 0 ${blur}em ${color}
`.replace(/\s+/g,' ').trim();
};
return `
:root{
${VAR('font')}:${cssString(font)};
${VAR('mono')}:${cssString(mono)};
${VAR('scale')}:${scale};
${VAR('strokeW')}:${strokeW}em;
${VAR('strokeColor')}:${strokeColor};
${VAR('boldFactor')}:${boldFactor};
${VAR('shadowSize')}:${shadowSize}em;
${VAR('shadowColor')}:${shadowColor};
}
html.${CLASS_ENABLED}{
${smoothing?'-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;'
:'-webkit-font-smoothing:auto;text-rendering:auto;'}
font-size: calc(100% * var(${VAR('scale')})); /* 仅影响 rem */
}
/* 正文元素（带排除清单） */
html.${CLASS_ENABLED} body :where(
body, main, article, section, aside, nav,
h1,h2,h3,h4,h5,h6, p, span, a, li, dt, dd, blockquote, q,
div, label, input, textarea, button, select, summary, details,
table, thead, tbody, tfoot, tr, th, td, caption,
small, strong, b, i, u, s, em, sub, sup, mark, time, code, kbd, samp
):not(
[class*="icon" i], [class^="icon" i],
[class*="fa-" i], .fa, .fab, .fas, .far,
.material-icons, .iconfont,
[class*="glyph" i], [class*="symbols" i],
mjx-container *, .katex *,
[class*="vjs-" i],
.textLayer *, [class*="watermark" i],
i[class], svg, [aria-hidden="true"]
){
font-family:var(${VAR('font')}) !important;
}
/* 代码等宽区 */
html.${CLASS_ENABLED} pre,
html.${CLASS_ENABLED} code,
html.${CLASS_ENABLED} kbd,
html.${CLASS_ENABLED} samp{
font-family:var(${VAR('mono')}) !important;
}
/* 表单控件 */
html.${CLASS_ENABLED} input,
html.${CLASS_ENABLED} textarea,
html.${CLASS_ENABLED} select,
html.${CLASS_ENABLED} button{
font-family:var(${VAR('font')}) !important;
}
/* 描边 */
html.${CLASS_ENABLED}.${CLASS_STROKE} body :where(
body, main, article, section, aside, nav,
h1,h2,h3,h4,h5,h6, p, span, a, li, dt, dd, blockquote, q,
div, label, input, textarea, button, select, summary, details,
small, strong, b, i, u, s, em, sub, sup, mark, time
):not(
[class*="icon" i], [class^="icon" i],
[class*="fa-" i], .fa, .fab, .fas, .far,
.material-icons, .iconfont,
[class*="glyph" i], [class*="symbols" i],
mjx-container *, .katex *, [class*="vjs-" i],
.textLayer *, [class*="watermark" i],
i[class], svg, [aria-hidden="true"],
code, kbd, samp, pre
){
-webkit-text-stroke: var(${VAR('strokeW')}) var(${VAR('strokeColor')});
}
/* 粗体描边修正 */
html.${CLASS_ENABLED}.${CLASS_STROKE}.${CLASS_BOLDADJ} body :where(
strong, b, [style*="font-weight:6"], [style*="font-weight:7"], [style*="font-weight:8"], [style*="font-weight:9"]
){
-webkit-text-stroke-width: calc(var(${VAR('strokeW')}) * var(${VAR('boldFactor')}));
}
/* 阴影 */
html.${CLASS_ENABLED}.${CLASS_SHADOW} body :where(
body, main, article, section, aside, nav,
h1,h2,h3,h4,h5,h6, p, span, a, li, dt, dd, blockquote, q,
div, label, input, textarea, button, select, summary, details,
small, i, u, s, em, sub, sup, mark, time
):not(
[class*="icon" i], [class^="icon" i],
[class*="fa-" i], .fa, .fab, .fas, .far,
.material-icons, .iconfont,
[class*="glyph" i], [class*="symbols" i],
mjx-container *, .katex *, [class*="vjs-" i],
.textLayer *, [class*="watermark" i],
i[class], svg, [aria-hidden="true"],
code, kbd, samp, pre
){
text-shadow: ${makeShadow(eff('shadowSizeEm') || 0.075, shadowColor)};
}
/* 面板字体 */
#fr-lite-panel-root, #fr-lite-panel-root *{
font-family:var(${VAR('font')}), system-ui, sans-serif;
}
`.trim();
}
function applyStyle(){
let node = document.getElementById(STYLE_ID);
if (!node){ node = document.createElement('style'); node.id = STYLE_ID; document.documentElement.prepend(node); }
node.textContent = buildStyle();
const html = document.documentElement;
html.classList.toggle(CLASS_ENABLED, isEnabled());
html.classList.toggle(CLASS_STROKE, !!eff('strokeEnabled'));
html.classList.toggle(CLASS_SHADOW, !!eff('shadowEnabled'));
html.classList.toggle(CLASS_BOLDADJ, !!eff('boldAdjustEnabled'));
}
/* ===== 面板（与之前一致，略有字段增补） ===== */
const UI_ID = 'fr-lite-panel-root';
let panelOpen = false;
function openPanel(){
if (panelOpen) return;
panelOpen = true;
const host = document.createElement('div');
host.id = UI_ID;
Object.assign(host.style, { position:'fixed', zIndex:2147483647, inset:'auto 16px 16px auto', width:'360px', borderRadius:'12px', overflow:'hidden', boxShadow:'0 8px 24px rgba(0,0,0,.18)' });
const root = host.attachShadow({ mode:'open' });
root.innerHTML = `
<style>
:host{ all:initial }
.card{ background:#fff; color:#111; border:1px solid #e5e7eb }
.hd{ padding:10px 12px; font-weight:600; background:#f8fafc; border-bottom:1px solid #e5e7eb; display:flex; align-items:center; justify-content:space-between }
.bd{ padding:12px; display:grid; gap:10px }
label{ display:grid; gap:6px; font-size:12px }
input[type="text"], input[type="number"], select{ padding:8px; border:1px solid #e5e7eb; border-radius:8px; outline:none; font-size:13px }
.row{ display:flex; gap:8px; align-items:center; }
.muted{ color:#666; font-size:12px }
.btns{ display:flex; gap:8px; justify-content:flex-end; padding:10px 12px; border-top:1px solid #e5e7eb; background:#f8fafc }
button{ padding:8px 12px; border-radius:8px; border:1px solid #e5e7eb; background:#fff; cursor:pointer }
button.primary{ background:#111; color:#fff; border-color:#111 }
.grid2{ display:grid; grid-template-columns: 1fr 1fr; gap:8px }
.sep{ height:1px; background:#e5e7eb; margin:4px 0 }
</style>
<div class="card">
<div class="hd">
<div>Font Rendering Lite</div>
<button id="closeBtn" title="关闭">✕</button>
</div>
<div class="bd">
<label>本域策略
<select id="sitePolicy">
<option value="inherit">跟随全局</option>
<option value="enable">仅本域启用</option>
<option value="disable">本域禁用（排除此站点）</option>
</select>
</label>
<div class="row" title="当本域策略=跟随全局时生效">
<input id="globalEnabled" type="checkbox"><span>全局启用</span>
</div>
<label>正文字体栈
<input id="fontFamily" type="text" placeholder='"Microsoft YaHei", "PingFang SC", system-ui, ...'>
</label>
<label>等宽字体栈
<input id="monoFamily" type="text" placeholder='ui-monospace, Menlo, Consolas, ...'>
</label>
<div class="row"><input id="smoothing" type="checkbox"><span>启用字体平滑</span></div>
<label>根字号缩放（0.8–1.5，仅影响 rem）
<input id="scale" type="number" min="0.5" max="2" step="0.05">
</label>
<div class="sep"></div>
<div class="row"><input id="strokeEnabled" type="checkbox"><span>启用字体描边</span></div>
<div class="grid2">
<label>描边宽度(em)<input id="strokeWidthEm" type="number" min="0" step="0.005"></label>
<label>描边颜色<input id="strokeColor" type="text" placeholder="#RRGGBB / rgba()"></label>
</div>
<div class="row"><input id="boldAdjustEnabled" type="checkbox"><span>粗体修正</span></div>
<label>粗体修正系数(0.4–0.8)<input id="boldFactor" type="number" min="0.3" max="1.0" step="0.05"></label>
<div class="sep"></div>
<div class="row"><input id="shadowEnabled" type="checkbox"><span>启用阴影</span></div>
<div class="grid2">
<label>阴影强度(em)<input id="shadowSizeEm" type="number" min="0" step="0.01"></label>
<label>阴影颜色<input id="shadowColor" type="text" placeholder="#RRGGBBAA / rgba()"></label>
</div>
<div class="sep"></div>
<div class="muted">提示：站点字段留空则继承全局；“本域策略”可直接设置排除此站点。</div>
</div>
<div class="btns">
<button id="resetSite">重置本域</button>
<button id="resetGlobal">重置全局</button>
<button id="saveBtn" class="primary">保存并应用</button>
</div>
</div>
`;
const $ = (id) => root.getElementById(id);
const ui = {
sitePolicy: $('sitePolicy'),
globalEnabled: $('globalEnabled'),
fontFamily: $('fontFamily'),
monoFamily: $('monoFamily'),
smoothing: $('smoothing'),
scale: $('scale'),
strokeEnabled: $('strokeEnabled'),
strokeWidthEm: $('strokeWidthEm'),
strokeColor: $('strokeColor'),
boldAdjustEnabled: $('boldAdjustEnabled'),
boldFactor: $('boldFactor'),
shadowEnabled: $('shadowEnabled'),
shadowSizeEm: $('shadowSizeEm'),
shadowColor: $('shadowColor'),
closeBtn: $('closeBtn'),
resetSite: $('resetSite'),
resetGlobal: $('resetGlobal'),
saveBtn: $('saveBtn')
};
// 初始化
ui.globalEnabled.checked = !!CFG.enabled;
ui.sitePolicy.value = (CFG.site.enabled === true) ? 'enable' : (CFG.site.enabled === false ? 'disable' : 'inherit');
const INH = (k) => (CFG.site[k] ?? CFG[k]);
ui.fontFamily.value = (CFG.site.fontFamily ?? '') || '';
ui.monoFamily.value = (CFG.site.monoFamily ?? '') || '';
ui.smoothing.checked = INH('smoothing') === true;
ui.scale.value = String(INH('scale'));
ui.strokeEnabled.checked = INH('strokeEnabled') === true;
ui.strokeWidthEm.value = String(INH('strokeWidthEm'));
ui.strokeColor.value = String(INH('strokeColor'));
ui.boldAdjustEnabled.checked = INH('boldAdjustEnabled') === true;
ui.boldFactor.value = String(INH('boldFactor'));
ui.shadowEnabled.checked = INH('shadowEnabled') === true;
ui.shadowSizeEm.value = String(INH('shadowSizeEm'));
ui.shadowColor.value = String(INH('shadowColor'));
// 事件
ui.closeBtn.onclick = () => closePanel();
ui.resetSite.onclick = () => {
saveSite({
enabled:null, fontFamily:null, monoFamily:null, smoothing:null, scale:null,
strokeEnabled:null, strokeWidthEm:null, strokeColor:null,
boldAdjustEnabled:null, boldFactor:null,
shadowEnabled:null, shadowSizeEm:null, shadowColor:null
});
CFG = loadConfig(); applyStyle(); closePanel();
};
ui.resetGlobal.onclick = () => { saveGlobal(DEFAULTS); CFG = loadConfig(); applyStyle(); closePanel(); };
ui.saveBtn.onclick = () => {
const normalize = (v) => (typeof v === 'string' && v.trim() === '') ? null : v;
const toNum = (v) => { const n = Number(v); return isFinite(n) ? n : null; };
saveGlobal({ enabled: !!ui.globalEnabled.checked });
const sitePolicy = ui.sitePolicy.value;
saveSite({
enabled: sitePolicy === 'enable' ? true : (sitePolicy === 'disable' ? false : null),
fontFamily: normalize(ui.fontFamily.value),
monoFamily: normalize(ui.monoFamily.value),
smoothing: ui.smoothing.checked,
scale: toNum(ui.scale.value),
strokeEnabled: ui.strokeEnabled.checked,
strokeWidthEm: toNum(ui.strokeWidthEm.value),
strokeColor: normalize(ui.strokeColor.value),
boldAdjustEnabled: ui.boldAdjustEnabled.checked,
boldFactor: toNum(ui.boldFactor.value),
shadowEnabled: ui.shadowEnabled.checked,
shadowSizeEm: toNum(ui.shadowSizeEm.value),
shadowColor: normalize(ui.shadowColor.value)
});
CFG = loadConfig(); applyStyle(); closePanel();
};
document.body.appendChild(host);
window.addEventListener('keydown', (e)=>{ if(e.key==='Escape') closePanel(); }, { once:true });
}
function closePanel(){ const host = document.getElementById(UI_ID); if (host) host.remove(); panelOpen = false; }
/* 菜单 & 快捷键 */
GM_registerMenuCommand('切换全局启用', () => {
saveGlobal({ enabled: !CFG.enabled }); CFG = loadConfig(); applyStyle();
toast(`全局启用：${isEnabled() ? 'ON' : 'OFF'}`);
});
GM_registerMenuCommand('仅本域启用/跟随', () => {
const cur = CFG.site.enabled; const next = (cur === true) ? null : true;
saveSite({ enabled: next }); CFG = loadConfig(); applyStyle();
toast(`本域策略：${siteLabel(CFG.site.enabled)}`);
});
GM_registerMenuCommand('本域禁用/跟随（排除此站点）', () => {
const cur = CFG.site.enabled; const next = (cur === false) ? null : false;
saveSite({ enabled: next }); CFG = loadConfig(); applyStyle();
toast(`本域策略：${siteLabel(CFG.site.enabled)}`);
});
GM_registerMenuCommand('打开设置面板', () => { waitBody(openPanel); });
window.addEventListener('keydown', (e) => {
if (e.altKey && (e.key.toLowerCase() === 'x')) { e.preventDefault(); if (panelOpen) closePanel(); else waitBody(openPanel); }
});
function siteLabel(v){ return (v === true) ? '仅本域启用' : (v === false ? '本域禁用' : '跟随全局'); }
function waitBody(fn){
if (document.body) return fn();
const obs = new MutationObserver(() => { if (document.body){ obs.disconnect(); fn(); } });
obs.observe(document.documentElement, { childList:true, subtree:true });
}
function toast(msg){
const n = document.createElement('div');
n.textContent = msg;
Object.assign(n.style, { position:'fixed', right:'16px', bottom:'16px', zIndex:2147483647, background:'#111', color:'#fff', padding:'10px 12px', borderRadius:'10px', fontSize:'13px', boxShadow:'0 8px 24px rgba(0,0,0,.18)' });
document.documentElement.appendChild(n); setTimeout(()=>n.remove(), 1500);
}
/* 启动与 class guard */
applyStyle();
new MutationObserver(()=>{
const html = document.documentElement;
html.classList.toggle(CLASS_ENABLED, isEnabled());
html.classList.toggle(CLASS_STROKE, !!eff('strokeEnabled'));
html.classList.toggle(CLASS_SHADOW, !!eff('shadowEnabled'));
html.classList.toggle(CLASS_BOLDADJ, !!eff('boldAdjustEnabled'));
}).observe(document.documentElement, { attributes:true, attributeFilter:['class'] });
})();