/* ===== FXTM 外汇中文站 — 全站样式 ===== */
:root{
  --navy-900:#0A1A2F;
  --navy-800:#0E2238;
  --navy-700:#13314E;
  --navy-600:#1C426A;
  --lime:#C7F23C;
  --lime-soft:#D6FF5A;
  --white:#FFFFFF;
  --mist:#C9D6E4;
  --mist-dim:#8FA3B8;
  --line:rgba(199,242,60,.18);
  --line-soft:rgba(255,255,255,.10);
  --ink:#0A1A2F;
  --ink-soft:#4A5A6B;
  --paper:#F4F7FA;
  --maxw:1180px;
  --radius:16px;
  --font-zh:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC","Source Han Sans SC","Segoe UI",system-ui,-apple-system,sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-zh);
  background:var(--navy-900);
  color:var(--white);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  letter-spacing:.01em;
}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ---------- 顶部导航 ---------- */
.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(10,26,47,.92);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid var(--line-soft);
}
.nav-inner{display:flex;align-items:center;gap:28px;height:72px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;letter-spacing:.04em}
.brand svg{width:34px;height:34px}
.brand b{color:var(--white)}
.brand .zh{font-size:13px;font-weight:600;color:var(--mist);letter-spacing:.1em}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:auto}
.nav-links a{color:var(--mist);font-size:15px;font-weight:500;transition:color .2s}
.nav-links a:hover,.nav-links a[aria-current="page"]{color:var(--white)}
.btn-open{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--lime);color:var(--ink);
  font-weight:800;font-size:15px;
  padding:11px 22px;border-radius:999px;
  transition:transform .15s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn-open:hover{transform:translateY(-1px);box-shadow:0 8px 24px rgba(199,242,60,.28)}

/* 移动端菜单（纯 CSS 开关） */
.nav-toggle,.nav-check{display:none}
.nav-burger{display:none;cursor:pointer;margin-left:auto;width:30px;height:24px}
.nav-burger span{display:block;height:3px;background:var(--white);border-radius:3px;margin:4px 0;transition:.25s}

/* ---------- 通用区块 ---------- */
section{padding:84px 0}
.eyebrow{
  display:inline-block;color:var(--lime);font-weight:700;
  font-size:13px;letter-spacing:.18em;margin-bottom:16px;
}
h1,h2,h3{line-height:1.25;letter-spacing:.01em}
h1{font-size:clamp(34px,5.2vw,58px);font-weight:800}
h2{font-size:clamp(26px,3.4vw,40px);font-weight:800}
h3{font-size:20px;font-weight:700}
.lead{color:var(--mist);font-size:clamp(16px,2vw,19px);max-width:62ch}

/* ---------- 首页英雄区 ---------- */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(900px 420px at 82% -8%,rgba(199,242,60,.16),transparent 60%),
    linear-gradient(180deg,var(--navy-800),var(--navy-900));
  padding:96px 0 104px;
}
.hero h1 span{color:var(--lime)}
.hero .lead{margin-top:22px}
.hero-cta{display:flex;flex-wrap:wrap;gap:16px;margin-top:38px;align-items:center}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid var(--line);color:var(--white);
  font-weight:600;padding:11px 24px;border-radius:999px;transition:.2s;
}
.btn-ghost:hover{border-color:var(--lime);color:var(--lime)}
.hero-note{margin-top:26px;color:var(--mist-dim);font-size:13px}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
  margin-top:56px;padding-top:36px;border-top:1px solid var(--line-soft);
}
.hero-stats .num{font-size:34px;font-weight:800;color:var(--lime)}
.hero-stats .cap{color:var(--mist);font-size:14px;margin-top:4px}

/* ---------- 特性卡片 ---------- */
.alt{background:var(--navy-800)}
.grid{display:grid;gap:22px}
.g-2{grid-template-columns:repeat(2,1fr)}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-4{grid-template-columns:repeat(4,1fr)}
.card{
  background:var(--navy-700);
  border:1px solid var(--line-soft);
  border-radius:var(--radius);
  padding:30px 26px;transition:border-color .2s,transform .2s;
}
.card:hover{border-color:var(--line);transform:translateY(-3px)}
.card .ico{
  width:46px;height:46px;border-radius:12px;
  background:rgba(199,242,60,.12);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;
}
.card .ico svg{width:24px;height:24px;stroke:var(--lime)}
.card h3{margin-bottom:10px}
.card p{color:var(--mist);font-size:15px}

/* 区块标题居中变体 */
.head-center{text-align:center;max-width:720px;margin:0 auto 52px}
.head-center .lead{margin:18px auto 0}

/* ---------- 市场 / 列表条目 ---------- */
.rows{display:flex;flex-direction:column;gap:0;border-top:1px solid var(--line-soft)}
.row{
  display:grid;grid-template-columns:200px 1fr;gap:30px;
  padding:32px 0;border-bottom:1px solid var(--line-soft);align-items:start;
}
.row .label{display:flex;align-items:center;gap:14px}
.row .label .dot{width:10px;height:10px;border-radius:50%;background:var(--lime);flex:none}
.row .label h3{font-size:21px}
.row .label .en{color:var(--mist-dim);font-size:13px;letter-spacing:.05em}
.row p{color:var(--mist);font-size:15px}

/* ---------- 平台 / 账户卡 ---------- */
.tier{
  background:var(--navy-700);border:1px solid var(--line-soft);
  border-radius:var(--radius);padding:32px 28px;display:flex;flex-direction:column;
}
.tier.featured{border-color:var(--lime);background:linear-gradient(180deg,var(--navy-600),var(--navy-700))}
.tier .tag{
  align-self:flex-start;font-size:12px;font-weight:700;letter-spacing:.1em;
  color:var(--ink);background:var(--lime);padding:4px 12px;border-radius:999px;margin-bottom:16px;
}
.tier h3{margin-bottom:6px}
.tier .en{color:var(--mist-dim);font-size:13px;margin-bottom:18px;letter-spacing:.05em}
.tier ul{list-style:none;display:flex;flex-direction:column;gap:12px;margin-top:4px}
.tier li{display:flex;gap:10px;color:var(--mist);font-size:15px;align-items:flex-start}
.tier li::before{content:"";width:16px;height:16px;flex:none;margin-top:5px;
  background:no-repeat center/contain url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23C7F23C' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");}

/* ---------- 内页头部 ---------- */
.page-head{
  background:
    radial-gradient(700px 320px at 88% -20%,rgba(199,242,60,.13),transparent 60%),
    linear-gradient(180deg,var(--navy-800),var(--navy-900));
  padding:72px 0 60px;border-bottom:1px solid var(--line-soft);
}
.page-head h1{font-size:clamp(30px,4.4vw,46px)}
.page-head .lead{margin-top:18px}

/* ---------- 文本块 ---------- */
.prose{max-width:760px}
.prose p{color:var(--mist);margin-bottom:18px;font-size:16px}
.prose h2{margin:46px 0 18px}
.prose h3{margin:30px 0 12px;color:var(--white)}

/* ---------- 首页 CTA（仅首页使用） ---------- */
.cta{
  background:linear-gradient(120deg,var(--navy-600),var(--navy-700));
  border:1px solid var(--line);border-radius:24px;
  padding:56px 48px;text-align:center;margin:0 auto;
}
.cta h2{margin-bottom:14px}
.cta p{color:var(--mist);margin-bottom:30px}

/* ---------- 页脚 ---------- */
.foot{background:var(--navy-800);border-top:1px solid var(--line-soft);padding:64px 0 30px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:48px}
.foot h4{font-size:15px;font-weight:700;color:var(--white);margin-bottom:18px;letter-spacing:.04em}
.foot .brand{margin-bottom:16px}
.foot p,.foot li{color:var(--mist-dim);font-size:14px;line-height:1.9}
.foot ul{list-style:none}
.foot .contact span{display:block}
.foot-bottom{
  border-top:1px solid var(--line-soft);margin-top:48px;padding-top:24px;
  color:var(--mist-dim);font-size:13px;line-height:1.8;
}
.foot-bottom .risk{margin-bottom:10px}

/* ---------- 响应式 ---------- */
@media(max-width:900px){
  .g-3,.g-4{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .hero-stats{grid-template-columns:repeat(3,1fr);gap:14px}
}
@media(max-width:720px){
  .nav-burger{display:block}
  .nav-links{
    position:fixed;inset:72px 0 auto 0;flex-direction:column;align-items:stretch;
    gap:0;background:var(--navy-800);border-bottom:1px solid var(--line-soft);
    margin:0;padding:8px 0;transform:translateY(-130%);transition:transform .3s ease;
  }
  .nav-links a{padding:14px 24px}
  .nav-links .btn-open{margin:12px 24px;justify-content:center}
  .nav-check:checked ~ .nav-links{transform:translateY(0)}
  .nav-check:checked ~ .nav-burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-check:checked ~ .nav-burger span:nth-child(2){opacity:0}
  .nav-check:checked ~ .nav-burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .g-2,.g-3,.g-4{grid-template-columns:1fr}
  .row{grid-template-columns:1fr;gap:12px;padding:26px 0}
  .foot-grid{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:1fr;gap:18px}
  section{padding:60px 0}
  .cta{padding:40px 24px}
}