:root {
  --bg: #14100d;
  --bg2: #1b1511;
  --card: #231c16;
  --line: #3f3228;
  --txt: #f6efe6;
  --ink: #f6efe6;
  --mut: #b49a86;
  --acc: #e07030;
  --acc2: #e0b04a;
  --ac: #e07030;
  --ac2: #c45218;
  --gold: #e0b04a;
  --warn: #f0a020;
  --radius: 14px;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--txt);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--acc); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }

/* header */
header {
  position: sticky; top: 0; z-index: 20;
  background: rgba(20,16,13,.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; gap: 22px; height: 64px; }
.logo { font-weight: 700; font-size: 17px; letter-spacing: .3px; }
.logo span { color: var(--acc); }
.nav a.link { color: var(--mut); font-size: 14px; }
.nav a.link:hover { color: var(--txt); text-decoration: none; }
.nav .spacer { flex: 1; }
select.lang {
  background: var(--card); color: var(--txt);
  border: 1px solid var(--line); border-radius: 9px;
  padding: 7px 10px; font-size: 13px; max-width: 190px;
}
.btn {
  display: inline-block; padding: 10px 18px; border-radius: 10px;
  font-size: 14px; font-weight: 600; border: 1px solid transparent; cursor: pointer;
}
.btn.primary { background: var(--acc); color: #fff; }
.btn.primary:hover { filter: brightness(1.08); text-decoration: none; }
.btn.ghost { background: transparent; color: var(--txt); border-color: var(--line); }
.btn.ghost:hover { border-color: var(--acc); text-decoration: none; }

/* hero */
.hero { padding: 76px 0 40px; }
.hero h1 { font-size: 46px; line-height: 1.15; margin: 0 0 16px; letter-spacing: -1px; }
.hero h1 em { color: var(--acc); font-style: normal; }
.hero p.sub { color: var(--mut); font-size: 18px; max-width: 640px; margin: 0 0 26px; }
.hero .cta { display: flex; gap: 12px; flex-wrap: wrap; }
.hero .note { margin-top: 14px; color: var(--mut); font-size: 13px; }
.stats { display: flex; gap: 34px; margin-top: 44px; flex-wrap: wrap; }
.stat b { display: block; font-size: 26px; color: var(--txt); }
.stat span { color: var(--mut); font-size: 13px; }

/* sections */
section { padding: 46px 0; }
h2 { font-size: 28px; margin: 0 0 8px; letter-spacing: -.4px; }
p.lead { color: var(--mut); margin: 0 0 28px; }

.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.grid2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 22px;
}
.card h3 { margin: 0 0 6px; font-size: 17px; }
.card .price { font-size: 34px; font-weight: 700; margin: 10px 0 2px; }
.card .price small { font-size: 14px; color: var(--mut); font-weight: 500; }
.card ul { list-style: none; padding: 0; margin: 14px 0 18px; }
.card li { color: var(--mut); font-size: 14px; padding: 4px 0 4px 20px; position: relative; }
.card li:before { content: "✓"; position: absolute; left: 0; color: var(--acc2); }
.card.hot { border-color: var(--acc); box-shadow: 0 0 0 1px var(--acc) inset; }
.badge {
  display: inline-block; font-size: 11px; font-weight: 700; letter-spacing: .6px;
  background: rgba(224,112,48,.16); color: var(--acc);
  padding: 3px 8px; border-radius: 6px; text-transform: uppercase;
}

/* table */
.tools { display: flex; gap: 10px; margin-bottom: 14px; flex-wrap: wrap; }
.tools input, .tools select {
  background: var(--card); color: var(--txt); border: 1px solid var(--line);
  border-radius: 10px; padding: 9px 12px; font-size: 14px;
}
.tools input { flex: 1; min-width: 220px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 11px 10px; border-bottom: 1px solid var(--line); }
th { color: var(--mut); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .5px; cursor: pointer; }
tbody tr:hover { background: var(--bg2); }
td.num { font-variant-numeric: tabular-nums; }
.tag { font-size: 11px; color: var(--mut); border: 1px solid var(--line); border-radius: 6px; padding: 1px 6px; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; }

/* code */
pre {
  background: #0a0c11; border: 1px solid var(--line); border-radius: 12px;
  padding: 16px; overflow: auto; font-size: 13px; line-height: 1.55;
}
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
pre code { color: #cbd5e1; }
.k { color: #7dd3a7; }

footer { border-top: 1px solid var(--line); padding: 30px 0 60px; color: var(--mut); font-size: 13px; }
footer a { color: var(--mut); margin-right: 16px; }
.legal { max-width: 780px; padding: 40px 0 60px; }
.legal h1 { font-size: 30px; }
.legal h2 { font-size: 19px; margin-top: 28px; }
.legal p, .legal li { color: #c3cad8; font-size: 14.5px; }
.hint { color: var(--warn); font-size: 13px; }
@media (max-width: 860px) {
  .grid3, .grid2 { grid-template-columns: 1fr; }
  .hero h1 { font-size: 32px; }
  .nav { gap: 14px; }
  .nav a.link { display: none; }
}

/* ── v2 视觉升级 ───────────────────────────── */
.logo{font-size:22px;font-weight:800;letter-spacing:-.4px;color:var(--txt);text-decoration:none}
.logo span{background:linear-gradient(90deg,#e07030,#e0b04a);-webkit-background-clip:text;background-clip:text;color:transparent}
.logo:hover{text-decoration:none;filter:brightness(1.1)}
.backlink{color:var(--mut);font-size:13.5px;text-decoration:none}
.backlink:hover{color:var(--txt);text-decoration:none}
.nav{height:70px}
.nav a.link{font-size:14.5px}
.hero{padding:88px 0 46px}
.hero h1{font-size:52px}
.card{transition:border-color .18s, transform .18s}
.card:hover{border-color:#e07030;transform:translateY(-2px)}
section{padding:56px 0}
h2{font-size:30px}
.card h3{font-size:17.5px}
table th{font-size:12px}
tbody tr:hover{background:#1b1511}
footer{padding:36px 0 70px}

/* ── v3：五行火土配色（喜火 #e07030，辅土金 #e0b04a，底 #14100d） ─ */
:root{
  --bg:#14100d; --bg2:#1b1511; --card:#231c16; --line:#3f3228;
  --txt:#f6efe6; --ink:#f6efe6; --mut:#b49a86; --acc:#e07030; --acc2:#e0b04a;
  --ac:#e07030; --ac2:#c45218; --gold:#e0b04a;
}
body{background:var(--bg);color:var(--txt)}
header{background:rgba(20,16,13,.88);border-bottom:1px solid var(--line);box-shadow:none}
.logo{color:var(--txt)}
.logo span{background:linear-gradient(90deg,#e07030,#e0b04a);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav a.link{color:#b49a86}
.nav a.link:hover{color:#e0b04a}
.btn.primary{background:#e07030;color:#fff;border-color:#e07030}
.btn.primary:hover{background:#c45218}
.btn.ghost{background:transparent;color:#f6efe6;border-color:var(--line)}
.btn.ghost:hover{border-color:#e07030;color:#e0b04a}
.badge{background:rgba(224,112,48,.16);color:#e07030}
.card{background:#231c16;border:1px solid var(--line);box-shadow:none}
.card:hover{border-color:#e07030;box-shadow:0 4px 14px rgba(224,112,48,.12)}
.card.hot{border-color:#e07030;box-shadow:0 0 0 1px #e07030 inset}
.hero{background:linear-gradient(180deg,#1b1511 0%,#14100d 100%)}
.hero h1{color:#f6efe6}
.stat b{color:#f6efe6}
table th{color:#b49a86}
tbody tr:hover{background:#1b1511}
th,td{border-bottom:1px solid var(--line)}
pre{background:#0c0a08;border-color:var(--line)}
pre code{color:#f3e6d4}
code{color:#f3e6d4}
.tools input,.tools select{background:#1b1511;color:#f6efe6}
footer{background:#14100d;border-top:1px solid var(--line)}
footer a{color:#b49a86}
.legal p,.legal li{color:#d7c4b0}
.sub{color:#b49a86}
select.lang{background:#1b1511;color:#f6efe6;border-color:var(--line)}

/* ── logo（2026-11-06 优化） ───────────────────── */
.brand{display:inline-flex;align-items:center;gap:9px;text-decoration:none;color:var(--ink,#f6efe6);font-weight:800;font-size:19px;letter-spacing:-.4px;line-height:1}
.brand .mk{width:28px;height:28px;display:block;flex:0 0 28px;filter:drop-shadow(0 2px 6px rgba(224,112,48,.28));transition:transform .18s ease,filter .18s ease}
.brand:hover .mk{transform:translateY(-1px) rotate(-3deg);filter:drop-shadow(0 4px 10px rgba(224,112,48,.38))}
.brand .wm{background:linear-gradient(90deg,#f6efe6 0%,#e0b04a 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.logo{display:inline-flex;align-items:center;gap:9px;font-weight:800;font-size:19px;letter-spacing:-.4px;text-decoration:none;color:var(--ink,#f6efe6)}
.logo span{background:linear-gradient(90deg,#e07030,#e0b04a);-webkit-background-clip:text;background-clip:text;color:transparent}