/* Clash Verge 官网 — 明亮高级简洁风格 */
:root {
  --bg: #fbfafd;
  --surface: #ffffff;
  --text: #1b1a22;
  --muted: #6c6879;
  --border: #e9e6f0;
  --accent: #8b5cf6;
  --accent-strong: #7c3aed;
  --accent-soft: #f4f0fe;
  --ok: #16a34a;
  --ok-soft: #ecfdf3;
  --radius: 14px;
  --shadow-sm: 0 1px 2px rgba(27, 26, 34, 0.05);
  --shadow-md: 0 10px 30px -12px rgba(27, 26, 34, 0.18);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, Roboto,
    "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
    "Noto Sans", "Vazirmatn", Arial, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { max-width: 100%; vertical-align: middle; }

a { color: var(--accent-strong); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

h1, h2, h3 { line-height: 1.25; letter-spacing: -0.02em; font-weight: 700; }

.container { max-width: 1120px; margin-inline: auto; padding-inline: 24px; }
.container-narrow { max-width: 780px; }

.hidden { display: none !important; }

.skip-link {
  position: absolute; inset-inline-start: 8px; top: -48px;
  background: var(--text); color: #fff; padding: 8px 16px;
  border-radius: 8px; z-index: 100; transition: top 0.15s;
}
.skip-link:focus { top: 8px; }

/* ---------- 页头 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(251, 250, 253, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; min-height: 64px;
}
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  font-weight: 800; font-size: 1.1rem; color: var(--text);
  letter-spacing: -0.02em; white-space: nowrap;
}
.brand:hover { text-decoration: none; }
.logo { width: 30px; height: 30px; flex: none; }

.site-nav { display: flex; align-items: center; gap: 22px; }
.site-nav > a { color: var(--text); font-weight: 500; font-size: 0.95rem; }
.site-nav > a:hover { color: var(--accent-strong); text-decoration: none; }

.nav-toggle {
  display: none; flex-direction: column; justify-content: center; gap: 5px;
  width: 42px; height: 42px; padding: 10px;
  background: none; border: 1px solid var(--border); border-radius: 10px; cursor: pointer;
}
.nav-toggle span { display: block; height: 2px; background: var(--text); border-radius: 2px; }

/* 语言切换器 */
.lang-switch { position: relative; }
.lang-switch summary {
  display: inline-flex; align-items: center; gap: 7px;
  list-style: none; cursor: pointer; user-select: none;
  padding: 7px 14px; border: 1px solid var(--border); border-radius: 999px;
  font-size: 0.88rem; font-weight: 500; background: var(--surface);
}
.lang-switch summary::-webkit-details-marker { display: none; }
.lang-switch summary:hover { border-color: var(--accent); }
.lang-switch ul {
  position: absolute; inset-inline-end: 0; top: calc(100% + 8px);
  min-width: 170px; list-style: none;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 12px; box-shadow: var(--shadow-md); padding: 6px; z-index: 60;
}
.lang-switch li a {
  display: block; padding: 8px 12px; border-radius: 8px;
  color: var(--text); font-size: 0.92rem;
}
.lang-switch li a:hover { background: var(--accent-soft); text-decoration: none; }
.lang-switch li a.current { color: var(--accent-strong); font-weight: 700; background: var(--accent-soft); }

/* ---------- 按钮与徽章 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 22px; border-radius: 999px; font-weight: 600; font-size: 0.95rem;
  border: 1px solid transparent; cursor: pointer; transition: all 0.15s ease;
  white-space: nowrap;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary {
  background: linear-gradient(135deg, #ec4899, var(--accent));
  color: #fff; box-shadow: 0 6px 18px -6px rgba(139, 92, 246, 0.55);
}
.btn-primary:hover { box-shadow: 0 10px 24px -6px rgba(139, 92, 246, 0.6); color: #fff; }
.btn-ghost { background: var(--surface); border-color: var(--border); color: var(--text); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent-strong); }
.btn-sm { padding: 7px 16px; font-size: 0.88rem; }
.btn-lg { padding: 13px 30px; font-size: 1.02rem; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }

.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 12px; border-radius: 999px;
  font-size: 0.78rem; font-weight: 600; letter-spacing: 0.01em;
}
.badge-accent { background: var(--accent-soft); color: var(--accent-strong); }
.badge-ok { background: var(--ok-soft); color: var(--ok); }
.badge-muted { background: #f0eef5; color: var(--muted); }

.arrow-link { font-weight: 600; white-space: nowrap; }

/* ---------- 首页 hero ---------- */
.hero {
  position: relative; overflow: hidden;
  padding: 88px 0 64px;
  background:
    radial-gradient(600px 300px at 15% 0%, rgba(236, 72, 153, 0.1), transparent 70%),
    radial-gradient(700px 350px at 85% 10%, rgba(139, 92, 246, 0.12), transparent 70%),
    var(--bg);
  text-align: center;
}
.hero-badge { margin-bottom: 22px; }
.hero h1 {
  font-size: clamp(2.1rem, 5vw, 3.3rem);
  max-width: 820px; margin: 0 auto 20px;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(120deg, #db2777, var(--accent-strong));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-lead {
  font-size: 1.12rem; color: var(--muted);
  max-width: 640px; margin: 0 auto 32px;
}
.hero-cta { justify-content: center; margin-bottom: 48px; }

.trust-strip {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 12px 40px;
  padding: 20px 28px; max-width: 880px; margin: 0 auto;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow-sm);
}
.trust-item { display: flex; flex-direction: column; gap: 2px; min-width: 120px; }
.trust-k { font-size: 0.76rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }
.trust-v { font-weight: 700; font-size: 0.95rem; }

/* ---------- 区块 ---------- */
.section { padding: 72px 0; }
.section-alt { background: #f4f2f9; }
.section-head { max-width: 640px; margin-bottom: 40px; }
.section-head h2 { font-size: clamp(1.5rem, 3vw, 2rem); margin-bottom: 10px; }
.section-head p { color: var(--muted); font-size: 1.02rem; }
.row-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 20px; max-width: none;
}
.section-note { margin-top: 24px; color: var(--muted); font-size: 0.95rem; }

.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 26px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
}
a.card { color: var(--text); display: flex; flex-direction: column; gap: 8px; }
a.card:hover {
  text-decoration: none; transform: translateY(-3px);
  box-shadow: var(--shadow-md); border-color: #d6cdec;
}
.card h3 { font-size: 1.06rem; }
.card p { color: var(--muted); font-size: 0.93rem; }
.card .meta { margin-top: auto; padding-top: 8px; font-size: 0.8rem; color: var(--muted); }

.feature-icon {
  width: 46px; height: 46px; display: flex; align-items: center; justify-content: center;
  color: var(--accent-strong); background: var(--accent-soft); border-radius: 12px; margin-bottom: 16px;
}
.feature-card h3 { margin-bottom: 8px; }

.status-card .badge { margin-bottom: 14px; }
.status-card h3 { margin-bottom: 8px; }

.source-card { display: flex; flex-direction: column; gap: 10px; }
.source-card .arrow-link { margin-top: auto; font-size: 0.9rem; word-break: break-all; }

.warn-box {
  margin-top: 28px; padding: 18px 22px;
  display: flex; align-items: flex-start; gap: 12px;
  background: #fff8ed; border: 1px solid #f5d9a8; border-radius: var(--radius);
  font-size: 0.94rem; color: #7c4a03;
}
.warn-box svg { flex: none; margin-top: 4px; color: #b45309; }
.warn-box p { margin: 0; }
.warn-box a { color: #92400e; font-weight: 600; }

/* ---------- 客户端选择器 ---------- */
.selector { padding: 32px; }
.selector-prompt { font-weight: 600; margin-bottom: 16px; }
.os-btns { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 26px; }
.os-btn {
  padding: 9px 20px; border-radius: 999px; cursor: pointer;
  background: var(--bg); border: 1px solid var(--border);
  font-family: inherit; font-size: 0.92rem; font-weight: 600; color: var(--muted);
  transition: all 0.15s ease;
}
.os-btn:hover { border-color: var(--accent); color: var(--accent-strong); }
.os-btn.active {
  background: linear-gradient(135deg, #ec4899, var(--accent));
  border-color: transparent; color: #fff;
  box-shadow: 0 4px 14px -4px rgba(139, 92, 246, 0.55);
}
.os-card {
  border-top: 1px solid var(--border); padding-top: 24px;
  display: flex; flex-direction: column; gap: 12px;
}
.os-card-head { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; }
.os-card-head h3 { font-size: 1.15rem; }
.os-card p { color: var(--muted); max-width: 720px; }
.os-card .btn-row { margin-top: 6px; }

/* ---------- FAQ ---------- */
.faq-item {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); margin-bottom: 12px; overflow: hidden;
}
.faq-item summary {
  list-style: none; cursor: pointer; padding: 18px 22px;
  font-weight: 600; position: relative; padding-inline-end: 48px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+"; position: absolute; inset-inline-end: 20px; top: 50%;
  transform: translateY(-50%); font-size: 1.3rem; color: var(--muted);
  transition: transform 0.2s;
}
.faq-item[open] summary::after { content: "–"; }
.faq-item p { padding: 0 22px 18px; color: var(--muted); font-size: 0.95rem; }

/* ---------- 列表页 ---------- */
.page-hero {
  padding: 56px 0 40px;
  background:
    radial-gradient(500px 240px at 20% 0%, rgba(139, 92, 246, 0.1), transparent 70%),
    var(--bg);
  border-bottom: 1px solid var(--border);
}
.page-hero h1 { font-size: clamp(1.8rem, 4vw, 2.5rem); margin-bottom: 12px; }
.page-hero .hero-lead { margin: 0; max-width: 640px; }

.breadcrumb {
  display: flex; flex-wrap: wrap; gap: 8px; align-items: center;
  font-size: 0.85rem; color: var(--muted); margin-bottom: 18px;
}
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--accent-strong); }
.breadcrumb span:last-child { color: var(--text); font-weight: 500; }

.guide-group { padding: 40px 0 8px; }
.group-title { font-size: 1.3rem; margin-bottom: 20px; display: flex; align-items: center; gap: 10px; }
.group-title .count {
  font-size: 0.78rem; font-weight: 600; color: var(--accent-strong);
  background: var(--accent-soft); border-radius: 999px; padding: 2px 10px;
}

.post-list { display: flex; flex-direction: column; gap: 18px; }
.post-card time { font-size: 0.82rem; color: var(--muted); }
.post-card h2 { font-size: 1.2rem; }
.post-card .arrow-link { font-size: 0.9rem; margin-top: 4px; }

/* ---------- 文章页 ---------- */
.article { padding: 56px 0 72px; }
.article h1 { font-size: clamp(1.7rem, 4vw, 2.3rem); margin-bottom: 16px; }
.article-meta {
  display: flex; align-items: center; flex-wrap: wrap; gap: 14px;
  color: var(--muted); font-size: 0.88rem; margin-bottom: 28px;
}
.article-intro {
  font-size: 1.08rem; color: var(--muted);
  border-inline-start: 3px solid var(--accent);
  padding-inline-start: 18px; margin-bottom: 36px;
}
.article h2 { font-size: 1.35rem; margin: 40px 0 16px; }
.article p { margin-bottom: 14px; }
.article p + p { margin-top: -2px; }

.steps { counter-reset: step; list-style: none; margin: 20px 0 28px; }
.steps li {
  counter-increment: step; position: relative;
  padding: 14px 18px; padding-inline-start: 58px; margin-bottom: 10px;
  background: var(--surface); border: 1px solid var(--border); border-radius: 12px;
}
.steps li::before {
  content: counter(step);
  position: absolute; inset-inline-start: 16px; top: 14px;
  width: 26px; height: 26px; display: flex; align-items: center; justify-content: center;
  background: var(--accent-soft); color: var(--accent-strong);
  border-radius: 50%; font-weight: 700; font-size: 0.85rem;
}

.tips-box, .help-box {
  border-radius: var(--radius); padding: 22px 26px; margin: 36px 0;
}
.tips-box { background: var(--accent-soft); border: 1px solid #e2d8fb; }
.tips-box h2 { margin: 0 0 12px; font-size: 1.05rem; }
.tips-box ul { padding-inline-start: 20px; }
.tips-box li { margin-bottom: 8px; font-size: 0.95rem; }
.help-box { background: var(--surface); border: 1px solid var(--border); }
.help-box h2 { margin: 0 0 10px; font-size: 1.05rem; }
.help-box p { margin: 0; color: var(--muted); font-size: 0.95rem; }

.pager {
  display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 44px 0;
}
.pager-link {
  display: flex; flex-direction: column; gap: 4px;
  padding: 16px 20px; background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius);
  color: var(--text); font-size: 0.9rem;
}
.pager-link span { color: var(--muted); font-size: 0.78rem; }
.pager-link:hover { text-decoration: none; border-color: var(--accent); }
.pager-next { text-align: end; align-items: flex-end; }

.related h2 { font-size: 1.2rem; margin-bottom: 18px; }

/* ---------- 页脚 ---------- */
.site-footer {
  background: #1d1a26; color: #d6d2e0; margin-top: 40px;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1.4fr 1fr;
  gap: 40px; padding: 56px 24px 40px;
}
.footer-about p { font-size: 0.9rem; color: #a49dbb; margin-top: 16px; max-width: 340px; }
.footer-about .brand { color: #fff; }
.footer-about a { color: #c4b5fd; }
.site-footer h3 {
  font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.08em;
  color: #8d86a0; margin-bottom: 16px;
}
.site-footer ul { list-style: none; }
.site-footer li { margin-bottom: 10px; }
.site-footer nav a { color: #d6d2e0; font-size: 0.9rem; }
.site-footer nav a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid #343044; padding-top: 24px; padding-bottom: 32px;
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px;
  font-size: 0.82rem; color: #8d86a0;
}

/* ---------- 根目录跳转页 ---------- */
.redirect-page {
  min-height: 100vh; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 18px; text-align: center; padding: 24px;
}
.redirect-langs { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }
.redirect-langs a {
  padding: 9px 20px; border: 1px solid var(--border); border-radius: 999px;
  background: var(--surface); color: var(--text); font-weight: 600; font-size: 0.92rem;
}
.redirect-langs a:hover { border-color: var(--accent); color: var(--accent-strong); text-decoration: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .hero { padding: 56px 0 48px; }
  .section { padding: 52px 0; }
  .row-head { flex-direction: column; align-items: flex-start; gap: 8px; }
  .pager { grid-template-columns: 1fr; }
  .pager-next { text-align: start; align-items: flex-start; }

  .nav-toggle { display: flex; }
  .site-nav {
    display: none; position: absolute; top: 100%; inset-inline: 0;
    flex-direction: column; align-items: stretch; gap: 4px;
    background: var(--surface); border-bottom: 1px solid var(--border);
    padding: 14px 24px 20px; box-shadow: var(--shadow-md);
  }
  .site-nav.open { display: flex; }
  .site-nav > a { padding: 10px 4px; }
  .site-nav .btn { margin-top: 6px; }
  .lang-switch { margin-top: 10px; }
  .lang-switch ul { position: static; margin-top: 8px; box-shadow: none; }
}