/* ==========================================================================
   CorePress · EdgeWeb 主题样式模板
   - 颜色/圆角/字体全部走 var(--ew-*)，EdgeWeb 按变量渲染，主题不写死任何色值
   - 文件末尾的暗色变量占位符由 EdgeWeb 渲染时注入，勿删
   ========================================================================== */

:root {
  /* 基线变量（规范 §2 建议集） */
  --ew-bg: #f5f6f7;
  --ew-surface: #ffffff;
  --ew-text: #303133;
  --ew-muted: #909399;
  --ew-border: #ebeef5;
  --ew-radius: 4px;
  --ew-font-sans: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'STHeiti', 'WenQuanYi Micro Hei', Helvetica, Arial, sans-serif;
  --ew-font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, 'Liberation Mono', monospace;
  --ew-content-width: 1240px;
  --ew-line-height: 1.9;
  /* 品牌扩展 */
  --ew-primary: #409EFF;
  --ew-primary-hover: #66b1ff;
  --ew-primary-soft: #ecf5ff;
  --ew-on-primary: #ffffff;
  --ew-success: #67C23A;
  --ew-danger: #F56C6C;
  --ew-warning: #FFA41B;
  --ew-gap: 16px;
  --ew-sidebar-width: 300px;
  --ew-shadow: 0 2px 4px 0 rgba(114, 144, 179, 0.06);
  --ew-shadow-panel: 0 12px 40px -8px rgba(31, 45, 61, 0.22);
  --ew-hero-from: #409EFF;
  --ew-hero-to: #74b6ff;
  --ew-cyber-a: #7C5CFF;
  --ew-cyber-b: #F5568E;
  --ew-cyber-c: #00C2FF;
  /* 主题设置回退默认值（settings[] 中声明了 cssVar 的项，
     EdgeWeb 会把用户设置值追加到本文件末尾覆盖这里） */
  --ew-post-title-size: 1.7rem;
  --ew-hero-title-size: 2.5rem;
  --ew-content-size: 1rem;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-edgeweb-theme="light"]) {
  --ew-bg: #16181c;
  --ew-surface: #1e2126;
  --ew-text: #e6e8ea;
  --ew-muted: #9aa3ad;
  --ew-border: #2b2f36;
  --ew-radius: 4px;
  --ew-font-sans: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'STHeiti', 'WenQuanYi Micro Hei', Helvetica, Arial, sans-serif;
  --ew-font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, 'Liberation Mono', monospace;
  --ew-content-width: 1240px;
  --ew-line-height: 1.9;
  --ew-primary: #409EFF;
  --ew-primary-hover: #7ec2ff;
  --ew-primary-soft: #17293d;
  --ew-on-primary: #ffffff;
  --ew-success: #7ed05a;
  --ew-danger: #ff7b7b;
  --ew-warning: #ffb547;
  --ew-gap: 16px;
  --ew-sidebar-width: 300px;
  --ew-shadow: 0 2px 6px 0 rgba(0, 0, 0, 0.45);
  --ew-shadow-panel: 0 16px 44px -8px rgba(0, 0, 0, 0.65);
  --ew-hero-from: #1f6fd0;
  --ew-hero-to: #3380d6;
  --ew-cyber-a: #8f75ff;
  --ew-cyber-b: #ff7bab;
  --ew-cyber-c: #4bd4ff;
  }
}
html[data-edgeweb-theme="dark"] {
  --ew-bg: #16181c;
  --ew-surface: #1e2126;
  --ew-text: #e6e8ea;
  --ew-muted: #9aa3ad;
  --ew-border: #2b2f36;
  --ew-radius: 4px;
  --ew-font-sans: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'STHeiti', 'WenQuanYi Micro Hei', Helvetica, Arial, sans-serif;
  --ew-font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, 'Liberation Mono', monospace;
  --ew-content-width: 1240px;
  --ew-line-height: 1.9;
  --ew-primary: #409EFF;
  --ew-primary-hover: #7ec2ff;
  --ew-primary-soft: #17293d;
  --ew-on-primary: #ffffff;
  --ew-success: #7ed05a;
  --ew-danger: #ff7b7b;
  --ew-warning: #ffb547;
  --ew-gap: 16px;
  --ew-sidebar-width: 300px;
  --ew-shadow: 0 2px 6px 0 rgba(0, 0, 0, 0.45);
  --ew-shadow-panel: 0 16px 44px -8px rgba(0, 0, 0, 0.65);
  --ew-hero-from: #1f6fd0;
  --ew-hero-to: #3380d6;
  --ew-cyber-a: #8f75ff;
  --ew-cyber-b: #ff7bab;
  --ew-cyber-c: #4bd4ff;
}

/* --------------------------------------------------------------------------
   1. 基础
   -------------------------------------------------------------------------- */

*, *::before, *::after { box-sizing: border-box; }

html { font-size: 16px; -webkit-text-size-adjust: 100%; text-rendering: optimizeLegibility; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--ew-bg);
  color: var(--ew-text);
  font-family: var(--ew-font-sans);
  line-height: 1.7;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 { margin: 0; font-weight: 600; line-height: 1.35; color: var(--ew-text); }
p { margin: 0; }
img { max-width: 100%; vertical-align: middle; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; }

a { color: var(--ew-primary); text-decoration: none; transition: color 0.25s ease; }
a:hover { color: var(--ew-primary-hover); }

code, kbd, pre, samp { font-family: var(--ew-font-mono); }

code {
  padding: 2px 6px;
  border-radius: var(--ew-radius);
  background: var(--ew-bg);
  border: 1px solid var(--ew-border);
  font-size: 0.875em;
}

pre {
  padding: 16px 18px;
  border-radius: calc(var(--ew-radius) * 1.5);
  border: 1px solid var(--ew-border);
  background: var(--ew-bg);
  overflow-x: auto;
}
pre code { padding: 0; border: 0; background: none; }

hr { border: 0; border-top: 1px solid var(--ew-border); margin: 24px 0; }

::selection { background: var(--ew-primary); color: var(--ew-on-primary); }

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { border-radius: 4px; background: color-mix(in srgb, var(--ew-muted) 40%, transparent); }
::-webkit-scrollbar-thumb:hover { background: var(--ew-muted); }

.ew-icon { flex-shrink: 0; vertical-align: -0.15em; }

.ew-skip {
  position: absolute;
  left: -9999px;
  top: 0;
  padding: 8px 14px;
  background: var(--ew-surface);
  border: 1px solid var(--ew-border);
  border-radius: var(--ew-radius);
  z-index: 999;
}
.ew-skip:focus { left: 12px; top: 12px; }

/* 通用按钮 */
.ew-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  height: 34px;
  padding: 0 14px;
  border: 1px solid transparent;
  border-radius: var(--ew-radius);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}
.ew-btn-primary { background: var(--ew-primary); color: var(--ew-on-primary); }
.ew-btn-primary:hover { background: var(--ew-primary-hover); color: var(--ew-on-primary); }
.ew-btn-ghost {
  background: var(--ew-surface);
  border-color: var(--ew-border);
  color: var(--ew-muted);
}
.ew-btn-ghost:hover { border-color: var(--ew-primary); color: var(--ew-primary); }

.ew-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  padding: 0;
  border: 1px solid var(--ew-border);
  border-radius: var(--ew-radius);
  background: var(--ew-surface);
  color: var(--ew-muted);
  cursor: pointer;
  transition: border-color 0.25s ease, color 0.25s ease;
}
.ew-icon-btn:hover { border-color: var(--ew-primary); color: var(--ew-primary); }

/* 徽章 */
.ew-badge {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 500;
  line-height: 16px;
}
.ew-badge-success { background: color-mix(in srgb, var(--ew-success) 14%, transparent); color: var(--ew-success); }

/* --------------------------------------------------------------------------
   2. 骨架：两栏
   -------------------------------------------------------------------------- */

.ew-container {
  width: 100%;
  max-width: var(--ew-content-width);
  margin: 0 auto;
  padding: 0 var(--ew-gap);
}

.ew-main { flex: 1; width: 100%; padding: var(--ew-gap) 0 40px; }

.ew-html-main {
  display: flex;
  align-items: flex-start;
  gap: var(--ew-gap);
}

.ew-post-main { flex: 1; min-width: 0; }
.ew-html-main.is-full .ew-post-main { flex-basis: 100%; }

.ew-sidebar-col { width: var(--ew-sidebar-width); flex-shrink: 0; }

.ew-sidebar-sticky {
  position: sticky;
  top: 78px;
  display: flex;
  flex-direction: column;
  gap: var(--ew-gap);
}

/* 通用卡片 */
.ew-card {
  background: var(--ew-surface);
  border-radius: calc(var(--ew-radius) * 2);
  border: 1px solid var(--ew-border);
  overflow: hidden;
}

/* --------------------------------------------------------------------------
   3. 页头
   -------------------------------------------------------------------------- */

.ew-header {
  position: sticky;
  top: 0;
  z-index: 99;
  width: 100%;
  background: var(--ew-surface);
  box-shadow: var(--ew-shadow);
}

.ew-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  max-width: calc(var(--ew-content-width) + 60px);
  margin: 0 auto;
  padding: 0 var(--ew-gap);
  min-height: 62px;
}

.ew-logo-plane { display: flex; align-items: center; flex-shrink: 0; }
.ew-logo { display: inline-flex; align-items: center; }
.ew-logo img { height: 38px; width: auto; }
.ew-logo-text {
  font-size: 21px;
  font-weight: 700;
  letter-spacing: 0.3px;
  color: var(--ew-primary);
}

.ew-nav { flex: 1; display: flex; justify-content: flex-end; min-width: 0; }

.ew-nav-list { display: flex; align-items: center; gap: 2px; }

.ew-nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 11px;
  border-radius: var(--ew-radius);
  font-size: 15px;
  color: var(--ew-text);
  white-space: nowrap;
  transition: color 0.25s ease, background 0.25s ease;
}

.ew-nav-icon { color: var(--ew-muted); transition: color 0.25s ease; }
.ew-nav-caret { color: var(--ew-muted); }

.ew-nav-link::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 0;
  height: 3px;
  border-radius: 2px;
  background: var(--ew-primary);
  opacity: 0;
  transform: translateX(-50%);
  transition: width 0.25s ease, opacity 0.25s ease;
}

.ew-nav-link:hover { color: var(--ew-primary-hover); background: var(--ew-primary-soft); }
.ew-nav-link:hover .ew-nav-icon { color: var(--ew-primary-hover); }

.ew-nav-link:hover::after,
.ew-nav-link[aria-current="page"]::after { width: 20px; opacity: 1; }

.ew-nav-link[aria-current="page"] { color: var(--ew-primary); }
.ew-nav-link[aria-current="page"] .ew-nav-icon { color: var(--ew-primary); }

.ew-header-actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }

.ew-mobile-btn {
  display: none;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  padding: 0;
  border: 1px solid var(--ew-border);
  border-radius: var(--ew-radius);
  background: var(--ew-surface);
  color: var(--ew-text);
  cursor: pointer;
}
.ew-mobile-btn:hover { border-color: var(--ew-primary); color: var(--ew-primary); }

.ew-mobile-nav { display: none; border-top: 1px solid var(--ew-border); background: var(--ew-surface); }
.ew-mobile-nav[data-open="true"] { display: block; }
.ew-mobile-nav-list { padding: 6px var(--ew-gap) 12px; }
.ew-mobile-nav-item { border-bottom: 1px solid var(--ew-border); }
.ew-mobile-nav-item:last-child { border-bottom: 0; }
.ew-mobile-nav-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 4px;
  font-size: 15px;
  color: var(--ew-text);
}
.ew-mobile-nav-link .ew-icon { color: var(--ew-muted); }
.ew-mobile-nav-link:hover { color: var(--ew-primary); }

/* --------------------------------------------------------------------------
   4. 搜索（Orama 搜索框格式）
   -------------------------------------------------------------------------- */

.ew-search { position: relative; }

.ew-search-trigger {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 36px;
  padding: 0 10px 0 12px;
  border: 1px solid var(--ew-border);
  border-radius: 999px;
  background: var(--ew-bg);
  color: var(--ew-muted);
  font-size: 14px;
  cursor: pointer;
  transition: border-color 0.25s ease, color 0.25s ease, background 0.25s ease;
}
.ew-search-trigger:hover,
.ew-search-trigger:focus-visible {
  border-color: var(--ew-primary);
  color: var(--ew-primary);
  background: var(--ew-surface);
  outline: none;
}
.ew-search-trigger-icon { width: 16px; height: 16px; flex-shrink: 0; }
.ew-search-trigger-label { white-space: nowrap; }
.ew-search-trigger-keys { display: inline-flex; align-items: center; gap: 3px; margin-left: 4px; }

.ew-search-kbd {
  display: inline-block;
  min-width: 20px;
  padding: 1px 5px;
  border: 1px solid var(--ew-border);
  border-bottom-width: 2px;
  border-radius: 4px;
  background: var(--ew-surface);
  color: var(--ew-muted);
  font-family: var(--ew-font-mono);
  font-size: 11px;
  line-height: 16px;
  text-align: center;
}

.ew-search-panel {
  position: fixed;
  top: 11vh;
  left: 50%;
  transform: translateX(-50%) translateY(-6px);
  z-index: 200;
  width: min(560px, calc(100vw - 32px));
  max-height: 70vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--ew-border);
  border-radius: calc(var(--ew-radius) * 2);
  background: var(--ew-surface);
  box-shadow: var(--ew-shadow-panel);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s ease;
}
.ew-search-panel[data-open="true"] {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.ew-search-form {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--ew-border);
}
.ew-search-form-icon { width: 18px; height: 18px; flex-shrink: 0; color: var(--ew-muted); }

.ew-search-input {
  flex: 1;
  min-width: 0;
  height: 30px;
  border: 0;
  outline: 0;
  background: none;
  color: var(--ew-text);
  font-family: inherit;
  font-size: 16px;
}
.ew-search-input::placeholder { color: var(--ew-muted); }
.ew-search-input::-webkit-search-cancel-button { display: none; }

.ew-search-esc {
  flex-shrink: 0;
  padding: 3px 8px;
  border: 1px solid var(--ew-border);
  border-radius: 4px;
  background: var(--ew-bg);
  color: var(--ew-muted);
  font-family: var(--ew-font-mono);
  font-size: 11px;
  cursor: pointer;
}
.ew-search-esc:hover { border-color: var(--ew-primary); color: var(--ew-primary); }

.ew-search-body { flex: 1; overflow-y: auto; padding: 6px; }
.ew-search-empty { padding: 26px 16px; color: var(--ew-muted); font-size: 14px; text-align: center; }

.ew-search-item { border-radius: var(--ew-radius); }
.ew-search-item.is-active { background: var(--ew-primary-soft); }
.ew-search-item-link {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 10px 12px;
  border-radius: var(--ew-radius);
  color: var(--ew-text);
}
.ew-search-item-link:hover { color: var(--ew-text); }
.ew-search-item-head { display: flex; align-items: center; gap: 8px; }
.ew-search-item-title { font-size: 15px; font-weight: 500; }
.ew-search-item-section {
  flex-shrink: 0;
  padding: 1px 7px;
  border-radius: 999px;
  background: var(--ew-primary-soft);
  color: var(--ew-primary);
  font-size: 11px;
  line-height: 18px;
}
.ew-search-item-desc { color: var(--ew-muted); font-size: 13px; line-height: 1.6; }

.ew-search-mark {
  padding: 0 1px;
  border-radius: 2px;
  background: var(--ew-primary-soft);
  color: var(--ew-primary);
}

.ew-search-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 16px;
  border-top: 1px solid var(--ew-border);
  background: var(--ew-bg);
}
.ew-search-hints { display: flex; align-items: center; gap: 12px; }
.ew-search-hint { display: inline-flex; align-items: center; gap: 3px; color: var(--ew-muted); font-size: 12px; }
.ew-search-seeall { font-size: 13px; white-space: nowrap; }

/* 与官方 @orama/searchbox 的变量对接 */
:root {
  --search-btn-text-color: var(--ew-text);
  --search-btn-text-color-hover: var(--ew-primary);
  --search-btn-text-color-focus: var(--ew-primary);
  --search-btn-background-color: var(--ew-surface);
  --search-btn-background-color-hover: var(--ew-surface);
  --search-btn-background-color-focus: var(--ew-surface);
  --search-btn-border-color: var(--ew-border);
  --search-btn-border-color-hover: var(--ew-primary);
  --search-btn-border-color-focus: var(--ew-primary);
  --search-btn-icon-color: var(--ew-muted);
  --searchbox-background-color: var(--ew-surface);
  --searchbox-text-color: var(--ew-text);
  --searchbox-text-color-secondary: var(--ew-muted);
  --searchbox-border-color: var(--ew-border);
  --searchbox-input-background-color: var(--ew-bg);
  --searchbox-highlight-color: var(--ew-primary);
  --searchbox-accent-color: var(--ew-primary);
}

/* --------------------------------------------------------------------------
   5. Hero 横幅
   -------------------------------------------------------------------------- */

.ew-hero {
  position: relative;
  overflow: hidden;
  margin-bottom: var(--ew-gap);
  padding: 44px 40px;
  border-radius: calc(var(--ew-radius) * 2);
  background: linear-gradient(135deg, var(--ew-hero-from), var(--ew-hero-to));
  color: var(--ew-on-primary);
}

.ew-hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 面包屑横幅背景图（设置 crumbBgImage 时渲染） */
.ew-crumb-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ew-hero-body { position: relative; z-index: 2; max-width: 58%; }

.ew-hero-title {
  font-size: var(--ew-hero-title-size);
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--ew-on-primary);
  text-shadow: 0 2px 12px color-mix(in srgb, var(--ew-text) 22%, transparent);
}
.ew-hero-desc {
  margin-top: 10px;
  font-size: 15px;
  opacity: 0.92;
  color: var(--ew-on-primary);
}
.ew-hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 18px;
  padding: 8px 18px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--ew-on-primary) 92%, transparent);
  color: var(--ew-hero-to);
  font-size: 14px;
  font-weight: 500;
}
.ew-hero-cta:hover { background: var(--ew-on-primary); color: var(--ew-hero-from); }

.ew-hero-orbs { position: absolute; inset: 0; z-index: 1; pointer-events: none; }

.ew-orb {
  position: absolute;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  border-radius: 16px;
  background: color-mix(in srgb, var(--ew-on-primary) 22%, transparent);
  color: var(--ew-on-primary);
  backdrop-filter: blur(2px);
}
.ew-orb-1 { top: 14%; right: 26%; }
.ew-orb-2 { top: 42%; right: 9%; }
.ew-orb-3 { bottom: 14%; right: 30%; }
.ew-orb-4 { top: 62%; right: 21%; }

/* --------------------------------------------------------------------------
   5b. 面包屑横幅（非首页：矮版 Hero + 面包屑 + 页面标题）
   -------------------------------------------------------------------------- */

.ew-crumb-hero {
  position: relative;
  overflow: hidden;
  margin-bottom: var(--ew-gap);
  padding: 22px 28px 20px;
  border-radius: calc(var(--ew-radius) * 2);
  background: linear-gradient(135deg, var(--ew-hero-from), var(--ew-hero-to));
  color: var(--ew-on-primary);
}

.ew-crumb-body { position: relative; z-index: 2; }

.ew-crumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 2px;
  margin: 0 0 6px;
  padding: 0;
  list-style: none;
}

.ew-crumb-item {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  font-size: 13px;
}

.ew-crumb-item a {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--ew-on-primary);
  opacity: 0.85;
}
.ew-crumb-item a:hover { opacity: 1; }

.ew-crumb-sep { opacity: 0.6; }

.ew-crumb-item .is-here {
  color: var(--ew-on-primary);
  font-weight: 600;
  opacity: 1;
}

.ew-crumb-title {
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--ew-on-primary);
  text-shadow: 0 1px 8px color-mix(in srgb, var(--ew-text) 18%, transparent);
}

.ew-crumb-hero .ew-orb { width: 40px; height: 40px; border-radius: 12px; }
.ew-crumb-hero .ew-orb .ew-icon { width: 16px; height: 16px; }

@media (max-width: 640px) {
  .ew-crumb-hero { padding: 16px 16px 15px; }
  .ew-crumb-title { font-size: 1.2rem; }
  .ew-crumb-hero .ew-orb { display: none; }
}

/* --------------------------------------------------------------------------
   7. Tab 胶囊
   -------------------------------------------------------------------------- */

.ew-tabs {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: var(--ew-gap);
  padding: 6px;
  border-radius: 999px;
  background: var(--ew-surface);
  border: 1px solid var(--ew-border);
}

.ew-tab {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--ew-muted);
  font-size: 14px;
  cursor: pointer;
  transition: background 0.25s ease, color 0.25s ease;
}
.ew-tab:hover { color: var(--ew-primary); }
.ew-tab.is-active {
  background: var(--ew-primary);
  color: var(--ew-on-primary);
}
.ew-tab.is-active:hover { color: var(--ew-on-primary); }

/* --------------------------------------------------------------------------
   8. 文章流
   -------------------------------------------------------------------------- */

.ew-list-plane { margin-bottom: var(--ew-gap); }

.ew-post-list { display: flex; flex-direction: column; gap: var(--ew-gap); }

.ew-list-empty {
  padding: 48px 20px;
  border-radius: calc(var(--ew-radius) * 2);
  border: 1px solid var(--ew-border);
  background: var(--ew-surface);
  color: var(--ew-muted);
  text-align: center;
}

.ew-post-item {
  border-radius: calc(var(--ew-radius) * 2);
  border: 1px solid var(--ew-border);
  background: var(--ew-surface);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}
.ew-post-item[hidden] { display: none; }
.ew-post-item:hover {
  border-color: color-mix(in srgb, var(--ew-primary) 40%, var(--ew-border));
  box-shadow: 0 4px 18px -6px color-mix(in srgb, var(--ew-text) 12%, transparent);
}

.ew-post-item-container { display: flex; align-items: stretch; gap: 20px; padding: 20px 22px; }

.ew-post-thumb {
  position: relative;
  flex: 0 0 200px;
  width: 200px;
  height: 132px;
  overflow: hidden;
  border-radius: calc(var(--ew-radius) * 1.5);
  background: var(--ew-primary-soft);
}
.ew-post-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}
.ew-post-item:hover .ew-post-thumb img { transform: scale(1.05); }

/* 默认缩略图：统一的赛博像素渐变底 + 像素网格颗粒，首字颜色按文章哈希在 c0-c5 间取（posts.ts thumbTone） */
.ew-thumb-fallback {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: linear-gradient(135deg, var(--ew-cyber-a), var(--ew-cyber-b) 62%, var(--ew-cyber-c) 132%);
}

/* 像素网格颗粒层 */
.ew-thumb-fallback::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: linear-gradient(color-mix(in srgb, var(--ew-on-primary) 15%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--ew-on-primary) 15%, transparent) 1px, transparent 1px);
  background-size: 7px 7px;
  pointer-events: none;
}

/* 右下角像素块点缀 */
.ew-thumb-fallback::after {
  content: '';
  position: absolute;
  right: 5px;
  bottom: 5px;
  width: 9px;
  height: 9px;
  background: color-mix(in srgb, var(--ew-on-primary) 26%, transparent);
  box-shadow: -15px 3px 0 color-mix(in srgb, var(--ew-on-primary) 13%, transparent),
    4px -15px 0 color-mix(in srgb, var(--ew-on-primary) 20%, transparent);
  pointer-events: none;
}

.ew-thumb-char {
  position: relative;
  z-index: 1;
  font-style: normal;
  font-weight: 900;
  font-size: 26px;
  line-height: 1;
  paint-order: stroke fill;
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
}

/* 六档首字渐变色：全部由主题变量派生，跟随暗色模式；描边同色垫底加粗笔画 */
.ew-thumb-fallback.c0 .ew-thumb-char { background-image: linear-gradient(180deg, var(--ew-warning), color-mix(in srgb, var(--ew-warning) 40%, var(--ew-on-primary))); -webkit-text-stroke: 2px var(--ew-warning); }
.ew-thumb-fallback.c1 .ew-thumb-char { background-image: linear-gradient(180deg, var(--ew-cyber-c), color-mix(in srgb, var(--ew-cyber-c) 40%, var(--ew-on-primary))); -webkit-text-stroke: 2px var(--ew-cyber-c); }
.ew-thumb-fallback.c2 .ew-thumb-char { background-image: linear-gradient(180deg, var(--ew-cyber-b), color-mix(in srgb, var(--ew-cyber-b) 40%, var(--ew-on-primary))); -webkit-text-stroke: 2px var(--ew-cyber-b); }
.ew-thumb-fallback.c3 .ew-thumb-char { background-image: linear-gradient(180deg, var(--ew-success), color-mix(in srgb, var(--ew-success) 40%, var(--ew-on-primary))); -webkit-text-stroke: 2px var(--ew-success); }
.ew-thumb-fallback.c4 .ew-thumb-char { background-image: linear-gradient(180deg, var(--ew-danger), color-mix(in srgb, var(--ew-danger) 40%, var(--ew-on-primary))); -webkit-text-stroke: 2px var(--ew-danger); }
.ew-thumb-fallback.c5 .ew-thumb-char { background-image: linear-gradient(180deg, var(--ew-cyber-a), color-mix(in srgb, var(--ew-cyber-a) 40%, var(--ew-on-primary))); -webkit-text-stroke: 2px var(--ew-cyber-a); }

/* 侧栏小尺寸缩略图 */
.ew-thumb-fallback.is-mini::before { background-size: 5px 5px; }
.ew-thumb-fallback.is-mini::after { display: none; }
.ew-thumb-fallback.is-mini .ew-thumb-char { font-size: 16px; -webkit-text-stroke-width: 1.3px; }

.ew-post-main { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.ew-post-tags { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-bottom: 8px; }
.ew-post-tags:empty { display: none; }

.ew-cat-item {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 2px 9px;
  border-radius: calc(var(--ew-radius) * 1.5);
  background: var(--ew-primary-soft);
  color: var(--ew-primary);
  font-size: 12px;
  line-height: 18px;
}
.ew-cat-pinned {
  background: var(--ew-primary);
  color: var(--ew-on-primary);
}

.ew-post-title {
  display: flex;
  align-items: baseline;
  gap: 7px;
  font-size: 19px;
  font-weight: 600;
  line-height: 1.4;
}
.ew-post-title-icon { color: var(--ew-primary); }
.ew-post-title a { color: var(--ew-text); }
.ew-post-title a:hover { color: var(--ew-primary-hover); }

.ew-post-excerpt {
  margin-top: 8px;
  color: var(--ew-muted);
  font-size: 14px;
  line-height: 21px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.ew-post-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: auto;
  padding-top: 14px;
  color: var(--ew-muted);
  font-size: 12px;
}
.ew-post-meta-left { display: flex; align-items: center; gap: 8px; min-width: 0; }
.ew-post-meta-right { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }

.ew-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--ew-hero-from), var(--ew-hero-to));
  color: var(--ew-on-primary);
  font-size: 12px;
  flex-shrink: 0;
}

.ew-post-stat { display: inline-flex; align-items: center; gap: 4px; }

/* 分页 */
.ew-pager {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: var(--ew-gap);
  padding: 12px;
  border-radius: calc(var(--ew-radius) * 2);
  border: 1px solid var(--ew-border);
  background: var(--ew-surface);
}
.ew-pager-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 32px;
  padding: 0 9px;
  border: 1px solid var(--ew-border);
  border-radius: var(--ew-radius);
  background: var(--ew-surface);
  color: var(--ew-muted);
  font-size: 13px;
  cursor: pointer;
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}
.ew-pager-btn:hover { border-color: var(--ew-primary); color: var(--ew-primary); }
.ew-pager-btn.is-active {
  background: var(--ew-primary);
  border-color: var(--ew-primary);
  color: var(--ew-on-primary);
}

/* --------------------------------------------------------------------------
   9. 侧边栏 widgets
   -------------------------------------------------------------------------- */

.ew-widget { padding: 16px; }

.ew-widget-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 14px;
}

.ew-widget-title {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 15px;
  font-weight: 600;
}
.ew-widget-title .ew-icon { color: var(--ew-primary); }

.ew-widget-hint { color: var(--ew-muted); font-size: 13px; margin-bottom: 10px; }
.ew-widget-empty { padding: 18px 0; color: var(--ew-muted); font-size: 13px; text-align: center; }

/* 9.1 站点性能 */
.ew-perf-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.ew-perf-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 12px;
  border-radius: var(--ew-radius);
  background: var(--ew-bg);
}
.ew-perf-item .ew-icon { color: var(--ew-muted); }
.ew-perf-meta { display: flex; flex-direction: column; min-width: 0; }
.ew-perf-label { color: var(--ew-muted); font-size: 11px; }
.ew-perf-value { font-size: 15px; font-weight: 700; color: var(--ew-text); white-space: nowrap; }

.ew-perf-chart { position: relative; margin-top: 12px; height: 56px; }
.ew-perf-chart svg { width: 100%; height: 56px; display: block; }
.ew-perf-line {
  stroke: var(--ew-primary);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.ew-perf-chart-tip {
  position: absolute;
  right: 0;
  top: -2px;
  color: var(--ew-muted);
  font-size: 11px;
}

/* 9.2 侧栏搜索 */
.ew-side-search { display: flex; flex-direction: column; gap: 10px; }
.ew-side-search-input {
  width: 100%;
  height: 36px;
  padding: 0 12px;
  border: 1px solid var(--ew-border);
  border-radius: var(--ew-radius);
  background: var(--ew-bg);
  color: var(--ew-text);
  font-family: inherit;
  font-size: 14px;
  outline: 0;
  transition: border-color 0.25s ease;
}
.ew-side-search-input:focus { border-color: var(--ew-primary); }
.ew-side-search-input::placeholder { color: var(--ew-muted); }

/* 9.2.1 赛博搜索按钮（宽度与输入框一致，炫彩渐变 + 扫光） */
.ew-cyber-btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  height: 38px;
  padding: 0 14px;
  border: 0;
  border-radius: var(--ew-radius);
  background: linear-gradient(
    120deg,
    var(--ew-primary) 0%,
    var(--ew-cyber-a) 30%,
    var(--ew-cyber-b) 55%,
    var(--ew-cyber-c) 78%,
    var(--ew-primary) 100%
  );
  background-size: 260% 100%;
  color: var(--ew-on-primary);
  font-family: var(--ew-font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  cursor: pointer;
  overflow: hidden;
  transition: background-position 0.6s ease, box-shadow 0.3s ease, transform 0.2s ease;
  box-shadow: 0 2px 12px -4px color-mix(in srgb, var(--ew-cyber-b) 55%, transparent);
}

.ew-cyber-btn::after {
  /* 扫光条 */
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: -70%;
  width: 46%;
  background: linear-gradient(
    105deg,
    transparent 0%,
    color-mix(in srgb, var(--ew-on-primary) 42%, transparent) 50%,
    transparent 100%
  );
  transform: skewX(-18deg);
  animation: ew-cyber-sweep 2.8s ease-in-out infinite;
}

.ew-cyber-btn:hover {
  background-position: 100% 0;
  box-shadow: 0 4px 20px -6px color-mix(in srgb, var(--ew-cyber-b) 75%, transparent);
  transform: translateY(-1px);
}
.ew-cyber-btn:active { transform: translateY(0); }

.ew-cyber-btn-en { text-shadow: 0 0 8px color-mix(in srgb, var(--ew-on-primary) 65%, transparent); }
.ew-cyber-btn-zh {
  font-family: var(--ew-font-sans);
  font-weight: 500;
  letter-spacing: 4px;
  padding-left: 8px;
  border-left: 1px solid color-mix(in srgb, var(--ew-on-primary) 45%, transparent);
}

@keyframes ew-cyber-sweep {
  0% { left: -70%; }
  55% { left: 130%; }
  100% { left: 130%; }
}

@media (prefers-reduced-motion: reduce) {
  .ew-cyber-btn::after { animation: none; }
}

/* 9.3 日历 */
.ew-cal-nav { display: flex; align-items: center; gap: 5px; }
.ew-cal-title { font-variant-numeric: tabular-nums; }

.ew-cal-weekdays,
.ew-cal-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
}

.ew-cal-weekdays {
  margin-bottom: 4px;
  color: var(--ew-muted);
  font-size: 11px;
  text-align: center;
}

.ew-cal-day {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 30px;
  border-radius: 50%;
  color: var(--ew-text);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  transition: background 0.2s ease, color 0.2s ease;
}
.ew-cal-day:not(:empty):hover { background: var(--ew-primary-soft); color: var(--ew-primary); }
.ew-cal-day.is-today {
  background: var(--ew-primary);
  color: var(--ew-on-primary);
  font-weight: 600;
}

/* 9.4 随便看看 */
.ew-random-list { display: flex; flex-direction: column; gap: 12px; }

.ew-random-item { display: flex; align-items: center; gap: 9px; }

.ew-random-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  border-radius: 4px;
  background: var(--ew-muted);
  color: var(--ew-on-primary);
  font-size: 11px;
  font-weight: 600;
}
.ew-random-num.rank-1 { background: var(--ew-danger); }
.ew-random-num.rank-2 { background: var(--ew-warning); }
.ew-random-num.rank-3 { background: var(--ew-primary); }

.ew-random-link { display: flex; align-items: center; gap: 9px; min-width: 0; color: var(--ew-text); }
.ew-random-link:hover { color: var(--ew-primary); }

.ew-random-thumb {
  position: relative;
  flex-shrink: 0;
  width: 58px;
  height: 42px;
  overflow: hidden;
  border-radius: var(--ew-radius);
  background: var(--ew-primary-soft);
}
.ew-random-thumb img { width: 100%; height: 100%; object-fit: cover; }

.ew-random-info { display: flex; flex-direction: column; min-width: 0; }
.ew-random-title {
  font-size: 13px;
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.ew-random-meta { color: var(--ew-muted); font-size: 11px; }

/* --------------------------------------------------------------------------
   10. 正文排版
   -------------------------------------------------------------------------- */

.ew-article {
  padding: 26px 28px;
  border-radius: calc(var(--ew-radius) * 2);
  border: 1px solid var(--ew-border);
  background: var(--ew-surface);
}

.ew-article-title { margin-bottom: 8px; font-size: var(--ew-post-title-size); font-weight: 700; }

.ew-article-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--ew-border);
  color: var(--ew-muted);
  font-size: 13px;
}

.ew-prose { font-size: var(--ew-content-size); line-height: var(--ew-line-height);; }
.ew-prose > * + * { margin-top: 18px; }
.ew-prose h2 { font-size: 22px; margin-top: 32px; }
.ew-prose h3 { font-size: 19px; margin-top: 28px; }
.ew-prose h4 { font-size: 17px; margin-top: 24px; }
.ew-prose ul, .ew-prose ol { padding-left: 22px; list-style: revert; }
.ew-prose li + li { margin-top: 6px; }

.ew-prose blockquote {
  margin: 0;
  padding: 12px 18px;
  border-left: 3px solid var(--ew-primary);
  border-radius: 0 var(--ew-radius) var(--ew-radius) 0;
  background: var(--ew-bg);
  color: var(--ew-muted);
}

.ew-prose img { border-radius: calc(var(--ew-radius) * 1.5); }
.ew-prose table { width: 100%; border-collapse: collapse; font-size: 14px; }
.ew-prose th, .ew-prose td { padding: 10px 12px; border: 1px solid var(--ew-border); text-align: left; }
.ew-prose th { background: var(--ew-bg); font-weight: 600; }

/* --------------------------------------------------------------------------
   11. 页脚
   -------------------------------------------------------------------------- */

.ew-footer {
  margin-top: auto;
  border-top: 1px solid var(--ew-border);
  background: var(--ew-surface);
}

.ew-footer-inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  width: 100%;
  max-width: var(--ew-content-width);
  margin: 0 auto;
  padding: 30px var(--ew-gap) 24px;
}

.ew-footer-brand { max-width: 340px; }
.ew-footer-logo { height: 34px; width: auto; }
.ew-footer-logo-text { font-size: 19px; font-weight: 700; color: var(--ew-primary); }
.ew-footer-desc { margin-top: 8px; color: var(--ew-muted); font-size: 13px; line-height: 1.7; }

.ew-footer-cols { display: flex; gap: 56px; flex-wrap: wrap; }
.ew-footer-col-title { margin-bottom: 10px; font-size: 14px; font-weight: 600; }
.ew-footer-links { display: flex; flex-direction: column; gap: 7px; font-size: 13px; }
.ew-footer-links a { color: var(--ew-muted); }
.ew-footer-links a:hover { color: var(--ew-primary); }

.ew-footer-bar {
  padding: 14px var(--ew-gap);
  border-top: 1px solid var(--ew-border);
  color: var(--ew-muted);
  font-size: 12px;
  text-align: center;
}

/* --------------------------------------------------------------------------
   12. 返回顶部
   -------------------------------------------------------------------------- */

.ew-top {
  position: fixed;
  right: 20px;
  bottom: 40px;
  z-index: 98;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid var(--ew-border);
  border-radius: calc(var(--ew-radius) * 2);
  background: var(--ew-surface);
  color: var(--ew-muted);
  box-shadow: var(--ew-shadow-panel);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease, color 0.3s ease, bottom 0.3s ease;
}
.ew-top svg { width: 20px; height: 20px; }
.ew-top.is-show { opacity: 1; visibility: visible; bottom: 60px; }
.ew-top:hover { color: var(--ew-primary); }

/* --------------------------------------------------------------------------
   13. 响应式
   -------------------------------------------------------------------------- */

@media (max-width: 1080px) {
  .ew-nav { display: none; }
  .ew-mobile-btn { display: inline-flex; }
  .ew-search-trigger-label,
  .ew-search-trigger-keys { display: none; }
  .ew-search-trigger { width: 38px; height: 38px; padding: 0; justify-content: center; }
  .ew-hero-body { max-width: 78%; }
}

@media (max-width: 980px) {
  .ew-sidebar-col { display: none; }
  .ew-html-main { flex-direction: column; align-items: stretch; }
}

@media (max-width: 640px) {
  .ew-container { padding: 0 12px; }
  .ew-header-inner { padding: 0 12px; gap: 10px; }
  .ew-logo-text { font-size: 18px; }
  .ew-hero { padding: 28px 22px; }
  .ew-hero-title { font-size: calc(var(--ew-hero-title-size) * 0.72); }
  .ew-hero-body { max-width: 100%; }
  .ew-hero-orbs { display: none; }
  .ew-post-item-container { flex-direction: column; gap: 14px; padding: 16px; }
  .ew-post-thumb { flex: 0 0 auto; width: 100%; height: 168px; }
  .ew-post-title { font-size: 17px; }
  .ew-search-panel { top: 8vh; max-height: 76vh; }
  .ew-search-hints { display: none; }
  .ew-search-foot { justify-content: flex-end; }
  .ew-article { padding: 18px 16px; }
  .ew-article-title { font-size: calc(var(--ew-post-title-size) * 0.82); }
  .ew-footer-inner { flex-direction: column; gap: 20px; }
  .ew-footer-cols { gap: 40px; }
}

@media print {
  .ew-header, .ew-footer, .ew-top, .ew-sidebar-col, .ew-search-panel { display: none !important; }
}