/* ProxyLite —— 静态前端（深色主题，无外部依赖） */
:root {
  --bg: #0b0f14;
  --bg-alt: #0e141b;
  --card: #121924;
  --card-border: #1d2836;
  --text: #e6edf3;
  --muted: #8b98a5;
  --accent: #3ddc97;
  --accent-dim: #2aa876;
  --accent-soft: rgba(61, 220, 151, 0.12);
  --danger: #ff6b6b;
  --radius: 12px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
          "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Consolas, "Liberation Mono", Menlo, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
.container { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
a { color: var(--accent); text-decoration: none; }
code { font-family: var(--mono); font-size: 0.9em; background: var(--bg); border: 1px solid var(--card-border); border-radius: 6px; padding: 2px 8px; word-break: break-all; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-block; padding: 10px 20px; border-radius: 8px; border: 1px solid transparent;
  font-size: 15px; font-weight: 600; cursor: pointer; transition: all .15s ease; white-space: nowrap;
}
.btn-primary { background: var(--accent); color: #06281a; }
.btn-primary:hover { background: #4ef0aa; transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--card-border); }
.btn-ghost:hover { border-color: var(--accent-dim); color: var(--accent); }
.btn-sm { padding: 7px 14px; font-size: 13.5px; }
.btn:disabled { opacity: .45; cursor: not-allowed; transform: none; }

/* ---------- 头部 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11, 15, 20, 0.85); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--card-border);
}
.header-inner { display: flex; align-items: center; gap: 28px; height: 64px; }
.brand { font-size: 20px; font-weight: 800; color: var(--text); letter-spacing: .3px; display: flex; align-items: center; gap: 8px; }
.brand-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 12px var(--accent); }
.brand-accent { color: var(--accent); }
.nav { display: flex; gap: 22px; margin-left: 8px; }
.nav a { color: var(--muted); font-size: 14.5px; font-weight: 500; }
.nav a:hover { color: var(--text); }
.header-right { margin-left: auto; display: flex; align-items: center; gap: 14px; }
.lang-switch { display: flex; border: 1px solid var(--card-border); border-radius: 8px; overflow: hidden; }
.lang-switch button {
  background: transparent; border: none; color: var(--muted); padding: 6px 12px;
  font-size: 13px; font-family: var(--font); cursor: pointer;
}
.lang-switch button.active { background: var(--accent-soft); color: var(--accent); }

/* ---------- Hero ---------- */
.hero { padding: 84px 0 56px; text-align: center; background:
  radial-gradient(600px 280px at 50% -40px, rgba(61,220,151,.14), transparent); }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: var(--accent);
  background: var(--accent-soft); border: 1px solid rgba(61,220,151,.25);
  padding: 5px 14px; border-radius: 999px; margin-bottom: 22px;
}
.pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .35; } }
.hero h1 { font-size: clamp(34px, 5.5vw, 54px); font-weight: 800; line-height: 1.15; letter-spacing: -.5px; }
.hero-sub { color: var(--muted); font-size: 17.5px; max-width: 640px; margin: 18px auto 0; }
.hero-ctas { display: flex; gap: 14px; justify-content: center; margin-top: 32px; }
.stats-row {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 52px;
}
.stat { background: var(--card); border: 1px solid var(--card-border); border-radius: var(--radius); padding: 18px 10px; }
.stat-num { font-size: 26px; font-weight: 800; color: var(--accent); font-variant-numeric: tabular-nums; }
.stat-label { font-size: 12.5px; color: var(--muted); margin-top: 2px; }

/* ---------- 广告位 ---------- */
.ad-slot {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  border: 1.5px dashed #2b3a4a; border-radius: var(--radius); color: #55677a;
  font-size: 13px; letter-spacing: 1px; background: repeating-linear-gradient(45deg, transparent, transparent 14px, rgba(255,255,255,.012) 14px, rgba(255,255,255,.012) 28px);
  margin: 28px auto;
}
.ad-leaderboard { max-width: 728px; height: 90px; }
.ad-rect { max-width: 300px; height: 250px; margin-left: auto; margin-right: auto; }

/* ---------- 区块通用 ---------- */
.section { padding: 64px 0; }
.section-alt { background: var(--bg-alt); border-top: 1px solid var(--card-border); border-bottom: 1px solid var(--card-border); }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; flex-wrap: wrap; margin-bottom: 26px; }
.section-head h2 { font-size: 26px; font-weight: 800; letter-spacing: -.3px; }
.section-sub { color: var(--muted); font-size: 14.5px; margin-top: 6px; max-width: 560px; }
.card { background: var(--card); border: 1px solid var(--card-border); border-radius: var(--radius); }

/* ---------- 列表区 ---------- */
.list-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.chips { display: flex; gap: 6px; }
.chip {
  background: transparent; border: 1px solid var(--card-border); color: var(--muted);
  border-radius: 999px; padding: 5px 14px; font-size: 13px; cursor: pointer; font-family: var(--font);
}
.chip.active { background: var(--accent-soft); border-color: rgba(61,220,151,.4); color: var(--accent); }
/* 列表 API 地址栏 */
.api-bar {
  display: flex; align-items: center; gap: 12px; padding: 10px 16px; margin-bottom: 14px; flex-wrap: wrap;
}
.api-bar code { flex: 1; min-width: 220px; font-size: 13px; }
.cell-country { white-space: nowrap; font-size: 16px; }
.col-country { width: 72px; text-align: center; }
.col-verified { width: 120px; }
.badge-demo { background: rgba(255,177,61,.14); color: #ffb14d; border: 1px solid rgba(255,177,61,.3); border-radius: 5px; padding: 1px 8px; font-size: 12px; font-weight: 600; }
.table-wrap { overflow-x: auto; }
.proxy-table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.proxy-table th {
  text-align: left; font-size: 12px; text-transform: uppercase; letter-spacing: .8px;
  color: var(--muted); padding: 12px 16px; border-bottom: 1px solid var(--card-border); font-weight: 600;
}
.proxy-table td { padding: 11px 16px; border-bottom: 1px solid rgba(29,40,54,.5); }
.proxy-table tbody tr:last-child td { border-bottom: none; }
.proxy-table tbody tr:hover { background: rgba(61,220,151,.035); }
.col-idx { width: 46px; color: var(--muted); font-variant-numeric: tabular-nums; }
.col-copy { width: 90px; text-align: right; }
.proto-tag {
  display: inline-block; font-size: 12px; font-weight: 700; border-radius: 5px; padding: 2px 9px; letter-spacing: .5px;
}
.proto-http { background: rgba(97,175,255,.12); color: #61afff; }
.proto-socks5 { background: rgba(61,220,151,.12); color: var(--accent); }
.proxy-addr { font-family: var(--mono); font-size: 13.5px; }
.copy-btn {
  background: transparent; border: 1px solid var(--card-border); color: var(--muted); border-radius: 6px;
  padding: 4px 12px; font-size: 12.5px; cursor: pointer; transition: all .12s;
}
.copy-btn:hover { border-color: var(--accent-dim); color: var(--accent); }
.empty { text-align: center; color: var(--muted); padding: 34px 0 !important; }
.upsell { margin-top: 16px; font-size: 14px; color: var(--muted); }
.upsell a { font-weight: 600; }

/* ---------- 特性 ---------- */
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.feature { padding: 24px 20px; }
.feature-icon { font-size: 22px; color: var(--accent); margin-bottom: 12px; }
.feature h3 { font-size: 16px; margin-bottom: 8px; }
.feature p { font-size: 13.5px; color: var(--muted); }

/* ---------- API ---------- */
.api-list { display: flex; flex-direction: column; gap: 10px; }
.api-row { display: flex; align-items: center; gap: 18px; padding: 16px 20px; flex-wrap: wrap; position: relative; }
.api-row p { color: var(--muted); font-size: 14px; flex: 1; min-width: 240px; }
.api-meta { display: flex; align-items: center; gap: 10px; min-width: 280px; }
.method { font-size: 12px; font-weight: 800; border-radius: 5px; padding: 2px 8px; letter-spacing: .5px; }
.method-get { background: rgba(61,220,151,.14); color: var(--accent); }
.badge-soon { background: rgba(255,177,61,.14); color: #ffb14d; border: 1px solid rgba(255,177,61,.3); border-radius: 999px; padding: 3px 12px; font-size: 12px; font-weight: 600; white-space: nowrap; }
.api-row-soon { opacity: .85; }

/* ---------- Key 面板 ---------- */
.key-panel { padding: 40px; text-align: center; max-width: 640px; margin: 0 auto; background:
  radial-gradient(400px 160px at 50% 0, rgba(61,220,151,.08), transparent), var(--card); }
.key-head { display: flex; align-items: center; justify-content: center; gap: 12px; }
.key-form { display: flex; gap: 10px; margin-top: 26px; }
.key-form input {
  flex: 1; background: var(--bg); border: 1px solid var(--card-border); border-radius: 8px;
  color: var(--text); padding: 10px 16px; font-size: 15px; font-family: var(--font); outline: none;
}
.key-form input:focus { border-color: var(--accent-dim); }
.fineprint { margin-top: 16px; font-size: 12.5px; color: var(--muted); }

/* ---------- FAQ ---------- */
.faq-list { display: flex; flex-direction: column; gap: 10px; max-width: 780px; }
.faq-item { padding: 4px 20px; }
.faq-item summary { cursor: pointer; font-weight: 600; font-size: 15px; padding: 14px 0; list-style: none; position: relative; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: 4px; color: var(--muted); font-size: 18px; }
.faq-item[open] summary::after { content: "–"; }
.faq-item p { color: var(--muted); font-size: 14px; padding-bottom: 16px; }

/* ---------- 页脚 ---------- */
.site-footer { border-top: 1px solid var(--card-border); padding: 36px 0 44px; background: var(--bg-alt); }
.footer-inner { text-align: center; display: flex; flex-direction: column; gap: 8px; align-items: center; }
.footer-brand { font-size: 17px; font-weight: 800; display: flex; align-items: center; gap: 8px; }
.footer-note { color: var(--muted); font-size: 13px; max-width: 620px; }
.footer-copy { color: #55677a; font-size: 12.5px; }
.footer-nav { display: flex; gap: 18px; }
.footer-nav a { color: var(--muted); font-size: 13px; }
.footer-nav a:hover { color: var(--text); }

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
  .nav { display: none; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .hero { padding: 56px 0 40px; }
  .hero-ctas { flex-direction: column; }
  .feature-grid { grid-template-columns: 1fr; }
  .key-form { flex-direction: column; }
  .api-meta { min-width: 0; }
  .header-right .btn { display: none; }
}

/* /full 特性卡 */
.api-full { padding: 20px 22px; margin-top: 6px; }
.api-full-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.api-full-desc { color: var(--muted); font-size: 14.5px; margin: 10px 0 14px; }
.api-params { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px 18px; }
.param { display: flex; align-items: baseline; gap: 10px; font-size: 13.5px; color: var(--muted); }
.param code { min-width: 118px; text-align: center; font-size: 12.5px; color: var(--accent); background: var(--accent-soft); border-color: rgba(61,220,151,.25); }
@media (max-width: 700px) { .api-params { grid-template-columns: 1fr; } }

.api-examples { margin-top: 14px; padding-top: 12px; border-top: 1px dashed var(--card-border); display: flex; flex-direction: column; gap: 10px; }
.api-examples-title { font-size: 12.5px; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: .8px; }
.api-example { display: flex; flex-direction: column; gap: 3px; }
.api-example code { font-size: 12.5px; align-self: flex-start; }
.api-example span { font-size: 13px; color: var(--muted); }