/* ============================================================
   Clash 配置指南文章页 · 2026 亮色系视觉主题
   清透蓝 × 薄荷青
   ============================================================ */

:root{
  --p1:#2f8fef;
  --p2:#1fb8a0;
  --p1-soft:#eaf4fe;
  --p2-soft:#e9f9f5;
  --lilac-soft:#f0eeff;
  --lilac:#7c6bf0;
  --amber-soft:#fdf3e3;
  --amber:#e0952f;

  --ink:#12263f;
  --ink-2:#33506e;
  --ink-3:#5a7290;
  --ink-4:#8ba3bd;

  --line:#e2eef9;
  --line-2:#d3e5f6;

  --bg:#ffffff;
  --bg-soft:#f5faff;
  --bg-mint:#f1fbf8;

  --grad:linear-gradient(100deg,#2f8fef 0%,#1fb8a0 100%);
  --grad-soft:linear-gradient(100deg,#eaf4fe,#e9f9f5);

  --shadow:0 14px 34px -18px rgba(35,95,160,.28);
  --shadow-hover:0 22px 46px -20px rgba(35,95,160,.34);

  --radius:16px;
  --ease:.25s cubic-bezier(.4,0,.2,1);
}

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:'Inter','Noto Sans SC',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{text-decoration:none;color:inherit;transition:color var(--ease);}
ul{list-style:none;}
img{max-width:100%;display:block;}
button{font-family:inherit;cursor:pointer;}
::selection{background:rgba(47,143,239,.18);}

.container{max-width:1120px;margin:0 auto;padding:0 22px;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;font-size:15px;font-weight:600;
  border-radius:999px;cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease),color var(--ease);
  white-space:nowrap;border:2px solid transparent;
}
.btn-primary{
  background:var(--grad);color:#fff;border-color:transparent;
  box-shadow:0 18px 36px -16px rgba(47,143,239,.9);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 24px 42px -16px rgba(47,143,239,1);}
.btn-outline{
  background:#fff;color:var(--p1);border-color:var(--line-2);
  box-shadow:0 10px 24px -18px rgba(35,95,160,.7);
}
.btn-outline:hover{border-color:var(--p1);transform:translateY(-2px);}

/* ============================================================
   导航（与首页一致）
   ============================================================ */
.sb-nav{
  position:sticky;top:0;z-index:90;
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.sb-nav-inner{
  max-width:1200px;margin:0 auto;padding:0 22px;height:66px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.sb-logo{
  display:flex;align-items:center;gap:11px;
  color:var(--ink);font-weight:800;font-size:17px;letter-spacing:.2px;
}
.sb-logo-img{
  width:32px;height:32px;border-radius:10px;
  object-fit:cover;background:#fff;
  box-shadow:0 10px 22px -10px rgba(47,143,239,.85);
  flex-shrink:0;
}
.sb-logo span small{
  display:block;font-size:10px;font-weight:600;letter-spacing:1.6px;
  color:var(--ink-4);text-transform:uppercase;margin-top:1px;
}
.sb-nav-links{display:flex;align-items:center;gap:26px;}
.sb-nav-links a{
  color:var(--ink-3);font-size:14.5px;font-weight:500;
}
.sb-nav-links a:hover{color:var(--p1);}
.sb-nav-cta{
  display:inline-flex;align-items:center;gap:7px;
  padding:10px 20px;border-radius:999px;
  font-size:14px;font-weight:700;color:#fff;
  background:var(--grad);
  box-shadow:0 14px 28px -14px rgba(47,143,239,.9);
  transition:transform var(--ease),box-shadow var(--ease);
}
.sb-nav-cta:hover{transform:translateY(-1px);box-shadow:0 18px 32px -14px rgba(47,143,239,1);}

/* ============================================================
   面包屑
   ============================================================ */
.crumb-bar{
  background:var(--bg-soft);
  border-bottom:1px solid var(--line);
  padding:14px 0;
  font-size:13px;
}
.crumb-inner{
  max-width:1120px;margin:0 auto;padding:0 22px;
  display:flex;align-items:center;gap:9px;
  color:var(--ink-4);
  flex-wrap:wrap;
}
.crumb-inner a{color:var(--ink-3);}
.crumb-inner a:hover{color:var(--p1);}
.crumb-inner i{font-size:10px;color:var(--ink-4);}
.crumb-inner .current{color:var(--ink-2);font-weight:500;}

/* ============================================================
   文章头部
   ============================================================ */
.article-hero{
  background:
    radial-gradient(900px 520px at 14% -12%,rgba(47,143,239,.14) 0%,transparent 62%),
    radial-gradient(820px 480px at 88% -8%,rgba(31,184,160,.12) 0%,transparent 60%),
    linear-gradient(180deg,#f8fcff 0%,#eef8fd 100%);
  padding:60px 20px 56px;
  border-bottom:1px solid var(--line);
}
.article-hero-inner{
  max-width:880px;margin:0 auto;
}
.article-cat{
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line-2);
  color:var(--p1);font-size:12px;font-weight:700;
  letter-spacing:.4px;
  margin-bottom:22px;
  box-shadow:0 8px 20px -14px rgba(35,95,160,.55);
}
.article-hero h1{
  font-size:clamp(28px,4vw,44px);
  font-weight:700;
  line-height:1.3;
  color:var(--ink);
  letter-spacing:-.5px;
  margin-bottom:22px;
}
.article-hero h1 .brand{
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.article-hero-sub{
  font-size:16px;
  color:var(--ink-3);
  line-height:1.85;
  margin-bottom:30px;
}

/* 文章元信息 */
.article-meta{
  display:flex;flex-wrap:wrap;gap:22px;
  padding-top:22px;
  border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-4);
}
.article-meta span{
  display:inline-flex;align-items:center;gap:7px;
}
.article-meta i{color:var(--p2);font-size:12px;}

/* ============================================================
   文章主体布局（正文 + 右侧目录）
   ============================================================ */
.article-layout{
  max-width:1120px;
  margin:0 auto;
  padding:60px 22px 80px;
  display:grid;
  grid-template-columns:1fr 240px;
  gap:56px;
  align-items:start;
}

/* 正文区 */
.article-body{
  min-width:0;
  font-size:15.5px;
  line-height:1.9;
  color:var(--ink-2);
}
.article-body > * + *{margin-top:22px;}

.article-body p{margin:0;}

.article-body h2{
  font-size:26px;
  font-weight:600;
  color:var(--ink);
  letter-spacing:-.3px;
  line-height:1.4;
  margin-top:52px;
  margin-bottom:6px;
  padding-top:22px;
  border-top:1px solid var(--line);
  scroll-margin-top:90px;
}
.article-body h2:first-child{
  margin-top:0;
  padding-top:0;
  border-top:none;
}

.article-body h3{
  font-size:19px;
  font-weight:600;
  color:var(--ink);
  margin-top:34px;
  margin-bottom:2px;
  line-height:1.5;
  scroll-margin-top:90px;
}

.article-body h4{
  font-size:16.5px;
  font-weight:600;
  color:var(--ink);
  margin-top:24px;
  margin-bottom:2px;
}

.article-body strong{color:var(--ink);font-weight:600;}

.article-body a{
  color:var(--p1);
  font-weight:500;
  border-bottom:1px solid rgba(47,143,239,.3);
  transition:border-color var(--ease),color var(--ease);
}
.article-body a:hover{
  color:var(--p2);
  border-bottom-color:rgba(31,184,160,.5);
}

.article-body code{
  background:var(--p1-soft);
  color:var(--p1);
  padding:2px 7px;
  border-radius:5px;
  font-family:'Courier New','Consolas',monospace;
  font-size:.88em;
  font-weight:600;
  word-break:break-word;
}

.article-body ul,
.article-body ol{
  padding-left:0;
}
.article-body ul li,
.article-body ol li{
  position:relative;
  padding-left:26px;
  margin-bottom:10px;
  font-size:15px;
  line-height:1.85;
  color:var(--ink-2);
}
.article-body ul li::before{
  content:"";
  position:absolute;
  left:6px;
  top:12px;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--grad);
}
.article-body ol{
  counter-reset:ol-count;
}
.article-body ol li::before{
  counter-increment:ol-count;
  content:counter(ol-count);
  position:absolute;
  left:0;top:2px;
  width:20px;height:20px;
  border-radius:50%;
  background:var(--p1-soft);
  color:var(--p1);
  font-size:11px;
  font-weight:700;
  display:grid;place-items:center;
  line-height:1;
}

/* 正文中的代码块 */
.article-code{
  background:#f7fbff;
  border:1px solid var(--line);
  border-left:3px solid var(--p1);
  border-radius:12px;
  padding:18px 22px;
  font-family:'Courier New','Consolas',monospace;
  font-size:13px;
  line-height:2;
  color:var(--ink-2);
  overflow-x:auto;
  margin-top:18px;
  white-space:pre;
}
.article-code .c-comment{color:var(--ink-4);}
.article-code .c-key{color:var(--p1);font-weight:600;}
.article-code .c-val{color:#0f9d78;}
.article-code .c-str{color:#b45309;}

/* 提示框 */
.callout{
  display:flex;align-items:flex-start;gap:14px;
  padding:18px 22px;
  background:var(--bg-soft);
  border:1px solid var(--line);
  border-left:3px solid var(--p1);
  border-radius:12px;
  font-size:14.5px;
  line-height:1.85;
  color:var(--ink-3);
  margin-top:22px;
}
.callout i{
  color:var(--p1);
  font-size:16px;
  margin-top:4px;
  flex-shrink:0;
}
.callout.warn{border-left-color:var(--amber);}
.callout.warn i{color:var(--amber);}
.callout.ok{border-left-color:#17a673;}
.callout.ok i{color:#17a673;}
.callout strong{color:var(--ink);}

/* 表格 */
.article-table{
  width:100%;
  border:1px solid var(--line);
  border-radius:14px;
  overflow:hidden;
  background:#fff;
  box-shadow:0 10px 28px -24px rgba(35,95,160,.5);
  margin-top:22px;
  font-size:14px;
}
.article-table table{
  width:100%;
  border-collapse:collapse;
}
.article-table th,
.article-table td{
  padding:13px 16px;
  text-align:left;
  border-bottom:1px solid var(--line);
  line-height:1.7;
  vertical-align:top;
}
.article-table tr:last-child td{border-bottom:none;}
.article-table th{
  background:var(--grad-soft);
  font-weight:700;
  color:var(--ink);
  font-size:13.5px;
}
.article-table td{color:var(--ink-3);}
.article-table td strong{color:var(--ink);}
.article-table code{
  font-size:12.5px;
  padding:1.5px 6px;
}

/* 正文中的分隔线 */
.article-hr{
  height:1px;
  background:var(--line);
  margin:36px 0 0;
  border:none;
}

/* ============================================================
   右侧目录
   ============================================================ */
.article-toc{
  position:sticky;
  top:90px;
  align-self:start;
}
.toc-card{
  background:var(--bg-soft);
  border:1px solid var(--line);
  border-radius:14px;
  padding:22px 20px;
}
.toc-card h4{
  font-size:12px;
  font-weight:700;
  letter-spacing:1.8px;
  text-transform:uppercase;
  color:var(--p1);
  margin-bottom:16px;
  padding-bottom:12px;
  border-bottom:1px solid var(--line);
}
.toc-list{
  display:flex;
  flex-direction:column;
  gap:2px;
}
.toc-list a{
  display:block;
  padding:8px 12px;
  font-size:13.5px;
  color:var(--ink-3);
  border-radius:8px;
  line-height:1.5;
  border-left:2px solid transparent;
  transition:all var(--ease);
}
.toc-list a:hover{
  color:var(--p1);
  background:#fff;
  border-left-color:var(--p1);
}
.toc-list a.sub{
  padding-left:24px;
  font-size:13px;
  color:var(--ink-4);
}

/* ============================================================
   文章底部：作者卡与相关阅读
   ============================================================ */
.article-foot{
  background:var(--bg-soft);
  border-top:1px solid var(--line);
  padding:70px 22px 80px;
}
.article-foot-inner{
  max-width:1120px;
  margin:0 auto;
}

/* 作者卡 */
.author-card{
  max-width:760px;
  margin:0 auto 60px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:30px 32px;
  display:flex;
  align-items:center;
  gap:22px;
  box-shadow:var(--shadow);
}
.author-avatar{
  width:64px;height:64px;
  border-radius:50%;
  background:var(--grad);
  display:grid;
  place-items:center;
  color:#fff;
  font-size:24px;
  flex-shrink:0;
  box-shadow:0 12px 26px -12px rgba(47,143,239,.9);
}
.author-info h4{
  font-size:17px;
  font-weight:600;
  color:var(--ink);
  margin-bottom:6px;
}
.author-info p{
  font-size:13.5px;
  color:var(--ink-3);
  line-height:1.7;
}

/* 相关阅读 */
.related-head{
  text-align:center;
  margin-bottom:36px;
}
.related-head h3{
  font-size:22px;
  font-weight:600;
  color:var(--ink);
  margin-bottom:10px;
}
.related-head p{
  font-size:14px;
  color:var(--ink-3);
}
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
  max-width:1000px;
  margin:0 auto;
}
.related-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  padding:24px 22px;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  display:flex;
  flex-direction:column;
}
.related-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:var(--line-2);
}
.related-card .rc-ico{
  width:44px;height:44px;
  border-radius:12px;
  display:grid;place-items:center;
  font-size:17px;
  background:var(--p1-soft);
  color:var(--p1);
  margin-bottom:14px;
}
.related-card:nth-child(2) .rc-ico{background:var(--p2-soft);color:var(--p2);}
.related-card:nth-child(3) .rc-ico{background:var(--lilac-soft);color:var(--lilac);}
.related-card h4{
  font-size:15.5px;
  font-weight:600;
  color:var(--ink);
  line-height:1.5;
  margin-bottom:10px;
}
.related-card p{
  font-size:13px;
  color:var(--ink-3);
  line-height:1.75;
  margin-bottom:16px;
}
.related-card .rc-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  font-weight:600;
  color:var(--p1);
  margin-top:auto;
  transition:gap var(--ease),color var(--ease);
}
.related-card:hover .rc-link{gap:11px;color:var(--p2);}

/* ============================================================
   页脚（与首页一致）
   ============================================================ */
.site-footer{
  position:relative;
  background:
    radial-gradient(700px 320px at 8% 0%, rgba(47,143,239,.08) 0%, transparent 62%),
    radial-gradient(600px 300px at 92% 0%, rgba(31,184,160,.07) 0%, transparent 60%),
    linear-gradient(180deg,#ffffff 0%,#f5faff 100%);
  border-top:1px solid var(--line);
  padding:64px 0 26px;
  color:var(--ink);
  font-size:14px;
}
.footer-inner{max-width:1120px;margin:0 auto;padding:0 22px;}
.footer-grid{
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:42px;
  border-bottom:1px solid var(--line);
}
.footer-brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:17px;font-weight:800;color:var(--ink);
  margin-bottom:14px;
}
.footer-brand-img{
  width:30px;height:30px;border-radius:9px;
  object-fit:cover;background:#fff;
  box-shadow:0 10px 22px -10px rgba(47,143,239,.85);
  flex-shrink:0;
}
.footer-brand:hover{color:var(--p1);}
.footer-desc{
  font-size:13.5px;line-height:1.85;
  color:var(--ink-3);max-width:340px;
  margin-bottom:18px;
}
.footer-gh{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line);
  font-size:13px;font-weight:600;color:var(--ink-2);
  transition:border-color var(--ease),color var(--ease),transform var(--ease);
}
.footer-gh i{color:var(--ink);}
.footer-gh:hover{
  border-color:var(--p1);color:var(--p1);
  transform:translateY(-1px);
}
.footer-col h4{
  font-size:13.5px;font-weight:700;
  color:var(--ink);margin-bottom:16px;
  letter-spacing:.2px;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col ul a{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13.5px;color:var(--ink-3);
  transition:color var(--ease);
}
.footer-col ul a i{font-size:10px;color:var(--p1);opacity:.7;}
.footer-col ul a:hover{color:var(--p1);}
.footer-col ul a:hover i{opacity:1;}

.footer-bottom{
  padding-top:24px;
  display:flex;justify-content:space-between;align-items:center;
  gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:var(--ink-4);
}
.footer-bottom-links{display:flex;gap:18px;}
.footer-bottom-links a{color:var(--ink-4);}
.footer-bottom-links a:hover{color:var(--p1);}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width:980px){
  .sb-nav-links{display:none;}
  .article-layout{
    grid-template-columns:1fr;
    gap:40px;
    padding:48px 22px 60px;
  }
  .article-toc{position:static;}
  .toc-card{padding:18px 16px;}
  .toc-list a{padding:7px 10px;font-size:13px;}
  .related-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:640px){
  .article-hero{padding:44px 20px 40px;}
  .article-hero h1{font-size:26px;}
  .article-hero-sub{font-size:14.5px;}
  .article-meta{gap:14px;font-size:12px;}
  .article-body{font-size:15px;}
  .article-body h2{font-size:21px;margin-top:40px;}
  .article-body h3{font-size:17px;}
  .article-body h4{font-size:15.5px;}
  .article-code{padding:14px 16px;font-size:12px;line-height:1.9;}
  .article-table th,
  .article-table td{padding:11px 12px;font-size:13px;}
  .author-card{flex-direction:column;text-align:center;padding:24px 22px;}
  .author-avatar{width:56px;height:56px;font-size:20px;}
  .site-footer{padding-top:48px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;text-align:center;}
  .footer-bottom-links{justify-content:center;flex-wrap:wrap;}
}