/* ==========================================================================
   FxPro 外汇中文站 — 共享样式
   设计基调：黑底红字、白色正文、克制的角形分割，对标 fxpro.com 高端金融观感
   字体：本土系统字体栈，无需外链字体，照顾中国大陆访问环境
   ========================================================================== */

:root{
  --ink:#0A0B0D;
  --ink-2:#121419;
  --ink-3:#1B1E25;
  --red:#E4002B;
  --red-dark:#B80021;
  --paper:#FFFFFF;
  --mist:#F4F6F9;
  --line:#E5E8EE;
  --line-dark:rgba(255,255,255,.10);
  --text:#14161A;
  --muted:#5C6573;
  --muted-d:#9DA4B0;
  --maxw:1180px;
  --sans:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans CN","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  font-family:var(--sans);
  color:var(--text);
  background:var(--paper);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(10,11,13,.92);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid var(--line-dark);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:66px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;letter-spacing:.2px}
.brand .mark{width:30px;height:30px;border-radius:8px}
.brand b{color:#fff;font-size:19px}
.brand b i{color:var(--red);font-style:normal}
.brand span{font-size:12px;color:var(--muted-d);font-weight:500;margin-left:2px}

.nav-toggle,.nav-toggle-label{display:none}
.menu{display:flex;align-items:center;gap:30px;list-style:none}
.menu a{color:#E9EBEF;font-size:15px;font-weight:500;padding:6px 0;position:relative;transition:color .18s}
.menu a:hover{color:#fff}
.menu a.active{color:#fff}
.menu a.active::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;background:var(--red)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:600;font-size:15px;border-radius:8px;
  padding:11px 22px;transition:transform .12s,background .2s,box-shadow .2s;cursor:pointer;
  border:1px solid transparent;white-space:nowrap;
}
.btn-red{background:var(--red);color:#fff;box-shadow:0 6px 18px rgba(228,0,43,.28)}
.btn-red:hover{background:var(--red-dark);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.28)}
.btn-ghost:hover{border-color:#fff}
.btn-lg{padding:15px 32px;font-size:16px}
.nav .btn-red{padding:9px 20px}

/* ---------- 通用区块 ---------- */
section{padding:84px 0}
.section-dark{background:var(--ink);color:#fff}
.section-mist{background:var(--mist)}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--red);text-transform:uppercase;margin-bottom:14px;
}
.section-dark .eyebrow{color:#FF4D6A}
h1,h2,h3{line-height:1.25;letter-spacing:-.01em;font-weight:800}
h2.title{font-size:34px;margin-bottom:16px}
.lead{font-size:17px;color:var(--muted);max-width:720px}
.section-dark .lead{color:var(--muted-d)}
.center{text-align:center}
.center .lead{margin-left:auto;margin-right:auto}

/* ---------- Hero ---------- */
.hero{
  background:
    radial-gradient(900px 460px at 78% -10%,rgba(228,0,43,.22),transparent 60%),
    linear-gradient(180deg,#0A0B0D 0%,#101218 100%);
  color:#fff;padding:96px 0 86px;position:relative;overflow:hidden;
}
.hero::after{
  content:"";position:absolute;right:-120px;top:0;bottom:0;width:46%;
  background:linear-gradient(120deg,transparent,rgba(228,0,43,.10));
  transform:skewX(-12deg);pointer-events:none;
}
.hero .wrap{position:relative;z-index:2}
.hero h1{font-size:50px;max-width:760px;margin-bottom:20px}
.hero h1 em{color:var(--red);font-style:normal}
.hero p{font-size:18px;color:#C7CCD4;max-width:600px;margin-bottom:32px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.hero-note{font-size:13px;color:var(--muted-d);margin-top:18px}

/* 页内小 Hero（分页面） */
.page-hero{
  background:
    radial-gradient(700px 360px at 85% -20%,rgba(228,0,43,.20),transparent 60%),
    linear-gradient(180deg,#0A0B0D,#13151B);
  color:#fff;padding:70px 0 64px;
}
.page-hero h1{font-size:40px;margin-bottom:14px}
.page-hero h1 em{color:var(--red);font-style:normal}
.page-hero p{font-size:17px;color:#C7CCD4;max-width:660px}
.crumbs{font-size:13px;color:var(--muted-d);margin-bottom:18px}
.crumbs a:hover{color:#fff}
.crumbs span{color:#6A7280;margin:0 8px}

/* ---------- 信任数据带 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-dark);border:1px solid var(--line-dark);border-radius:14px;overflow:hidden}
.stats .cell{background:var(--ink-2);padding:30px 24px;text-align:center}
.stats .num{font-size:32px;font-weight:800;color:#fff;letter-spacing:-.02em}
.stats .num i{color:var(--red);font-style:normal}
.stats .lab{font-size:14px;color:var(--muted-d);margin-top:6px}

/* ---------- 卡片网格 ---------- */
.grid{display:grid;gap:22px}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-4{grid-template-columns:repeat(4,1fr)}
.g-2{grid-template-columns:repeat(2,1fr)}

.card{
  background:var(--paper);border:1px solid var(--line);border-radius:14px;
  padding:28px 26px;transition:transform .16s,box-shadow .16s,border-color .16s;
}
.card:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(15,20,30,.08);border-color:#D7DCE5}
.card .ic{width:42px;height:42px;border-radius:10px;background:rgba(228,0,43,.10);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.card .ic svg{width:22px;height:22px;stroke:var(--red)}
.card h3{font-size:18px;margin-bottom:8px;font-weight:700}
.card p{font-size:15px;color:var(--muted)}

/* 暗色卡片 */
.section-dark .card{background:var(--ink-2);border-color:var(--line-dark)}
.section-dark .card:hover{border-color:rgba(255,255,255,.22);box-shadow:none}
.section-dark .card h3{color:#fff}
.section-dark .card p{color:var(--muted-d)}

/* 产品小条目 */
.prod{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.prod a,.prod div{display:block}
.prod .item{
  background:var(--paper);border:1px solid var(--line);border-radius:12px;
  padding:22px 20px;transition:border-color .16s,transform .16s;
}
.prod .item:hover{border-color:var(--red);transform:translateY(-2px)}
.prod .item h4{font-size:16px;font-weight:700;margin-bottom:6px;display:flex;align-items:center;gap:8px}
.prod .item h4 .dot{width:8px;height:8px;border-radius:50%;background:var(--red)}
.prod .item p{font-size:14px;color:var(--muted)}

/* 平台 / 账户 行 */
.rows{display:grid;gap:16px}
.row-card{
  display:grid;grid-template-columns:200px 1fr;gap:24px;align-items:start;
  background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:26px 28px;
}
.row-card .name{font-size:20px;font-weight:800}
.row-card .name small{display:block;font-size:13px;color:var(--muted);font-weight:500;margin-top:4px}
.row-card .body p{font-size:15px;color:var(--muted)}
.row-card ul{list-style:none;margin-top:12px;display:grid;gap:8px}
.row-card li{font-size:14.5px;color:var(--text);padding-left:22px;position:relative}
.row-card li::before{content:"";position:absolute;left:0;top:9px;width:10px;height:10px;border-radius:2px;background:var(--red);opacity:.85}

/* 特性对照表 */
.tbl{width:100%;border-collapse:collapse;font-size:15px;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.tbl th,.tbl td{padding:15px 18px;text-align:left;border-bottom:1px solid var(--line)}
.tbl thead th{background:var(--ink);color:#fff;font-weight:600;font-size:14px}
.tbl tbody tr:last-child td{border-bottom:none}
.tbl td:first-child{font-weight:600;color:var(--text);background:var(--mist)}
.tbl .hl{color:var(--red);font-weight:700}

/* 普通正文块 */
.prose{max-width:820px}
.prose h2{font-size:26px;margin:38px 0 14px}
.prose h2:first-child{margin-top:0}
.prose p{margin-bottom:16px;color:#2C313A}
.prose ul{margin:0 0 18px 0;padding-left:0;list-style:none;display:grid;gap:10px}
.prose li{position:relative;padding-left:24px;color:#2C313A}
.prose li::before{content:"";position:absolute;left:2px;top:11px;width:8px;height:8px;border-radius:50%;background:var(--red)}
.prose strong{color:var(--text)}

/* 首页 CTA 区块（仅首页正文使用） */
.cta{
  background:
    radial-gradient(600px 300px at 20% 0%,rgba(228,0,43,.22),transparent 60%),
    linear-gradient(180deg,#0A0B0D,#14161C);
  color:#fff;text-align:center;
}
.cta h2{font-size:32px;margin-bottom:14px}
.cta p{color:var(--muted-d);max-width:560px;margin:0 auto 28px}

/* ---------- 页脚（三列） ---------- */
.site-footer{background:#08090B;color:#C2C7CF;padding:62px 0 30px;border-top:1px solid var(--line-dark)}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1.1fr;gap:40px}
.foot-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;letter-spacing:.02em}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.foot-brand .mark{width:28px;height:28px;border-radius:7px}
.foot-brand b{color:#fff;font-size:17px}
.foot-brand b i{color:var(--red);font-style:normal}
.foot-col p{font-size:14px;color:#9197A1;line-height:1.75}
.foot-list{list-style:none;display:grid;gap:9px}
.foot-list li{font-size:14px;color:#9197A1}
.foot-contact{list-style:none;display:grid;gap:11px}
.foot-contact li{font-size:14px;color:#9197A1;display:flex;gap:10px;align-items:flex-start}
.foot-contact li svg{width:17px;height:17px;stroke:var(--red);flex:none;margin-top:2px}
.foot-bottom{border-top:1px solid var(--line-dark);margin-top:42px;padding-top:24px}
.risk{font-size:12.5px;color:#727A86;line-height:1.7;margin-bottom:14px}
.risk b{color:#AEB4BD}
.copy{font-size:13px;color:#727A86;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}

/* ---------- 响应式 ---------- */
@media (max-width:980px){
  .g-4{grid-template-columns:repeat(2,1fr)}
  .g-3{grid-template-columns:repeat(2,1fr)}
  .prod{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr;gap:30px}
  .hero h1{font-size:40px}
}
@media (max-width:720px){
  section{padding:60px 0}
  .hero{padding:72px 0 60px}
  .hero h1{font-size:33px}
  .hero p{font-size:16px}
  h2.title{font-size:27px}
  .page-hero h1{font-size:30px}
  .row-card{grid-template-columns:1fr;gap:14px}
  .g-2{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .tbl{display:block;overflow-x:auto;white-space:nowrap}

  /* 移动端汉堡菜单（纯 CSS） */
  .nav-toggle-label{
    display:flex;flex-direction:column;gap:5px;cursor:pointer;padding:8px;
  }
  .nav-toggle-label span{width:24px;height:2px;background:#fff;border-radius:2px;transition:.25s}
  .menu{
    position:absolute;top:66px;left:0;right:0;
    background:#0A0B0D;border-bottom:1px solid var(--line-dark);
    flex-direction:column;align-items:stretch;gap:0;padding:8px 22px 18px;
    max-height:0;overflow:hidden;transition:max-height .3s ease;
  }
  .menu li{border-bottom:1px solid var(--line-dark)}
  .menu li:last-child{border-bottom:none;padding-top:14px}
  .menu a{display:block;padding:14px 0;font-size:16px}
  .menu a.active::after{display:none}
  .menu .btn-red{width:100%}
  .nav-toggle:checked ~ .menu{max-height:420px}
  .nav-toggle:checked ~ .nav-toggle-label span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-toggle:checked ~ .nav-toggle-label span:nth-child(2){opacity:0}
  .nav-toggle:checked ~ .nav-toggle-label span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none!important;scroll-behavior:auto!important}
}