/* ============================================================
   NordFX 外汇中文站  ——  共享样式
   品牌主色：NordFX 红  深色背景 + 白色内容区交替
   ============================================================ */

:root{
  --brand:#E31B23;
  --brand-dark:#B5141B;
  --brand-soft:rgba(227,27,35,.10);
  --ink:#0D1117;
  --ink-2:#141A22;
  --ink-3:#1C242E;
  --line-dark:rgba(255,255,255,.09);
  --paper:#FFFFFF;
  --paper-2:#F4F6F9;
  --paper-3:#EAEEF3;
  --text:#E8ECF1;
  --text-mut:#9AA4B2;
  --text-dark:#16202C;
  --text-dark-mut:#5A6675;
  --up:#15B374;
  --radius:14px;
  --radius-sm:10px;
  --wrap:1180px;
  --shadow:0 12px 40px rgba(13,17,23,.10);
  --font: -apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB",
          "Microsoft YaHei","微软雅黑","Source Han Sans CN","Noto Sans CJK SC",
          "WenQuanYi Micro Hei",sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font);
  color:var(--text-dark);
  background:var(--paper);
  line-height:1.75;
  font-size:16px;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}

/* ---------- 通用排版 ---------- */
h1,h2,h3{line-height:1.3;font-weight:700;letter-spacing:.01em}
h2.title{font-size:30px;color:var(--text-dark)}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:.14em;
  color:var(--brand);margin-bottom:14px;
}
.lead{font-size:17px;color:var(--text-dark-mut);max-width:680px}
.center{text-align:center}
.center .lead{margin-left:auto;margin-right:auto}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--font);font-size:15px;font-weight:600;
  padding:13px 26px;border-radius:999px;border:1.5px solid transparent;
  cursor:pointer;transition:.18s ease;white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 22px rgba(227,27,35,.30)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--text);border-color:rgba(255,255,255,.28)}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.06)}
.btn-line{background:transparent;color:var(--text-dark);border-color:var(--paper-3)}
.btn-line:hover{border-color:var(--brand);color:var(--brand)}

/* ============================================================
   顶部导航
   ============================================================ */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(13,17,23,.92);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--line-dark);
}
.nav{display:flex;align-items:center;height:68px;gap:18px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:#fff;letter-spacing:.02em}
.brand .mark{width:30px;height:30px}
.brand b{color:var(--brand)}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:18px}
.nav-links a{
  color:var(--text-mut);font-size:15px;font-weight:500;
  padding:9px 14px;border-radius:8px;transition:.15s;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav-links a.active{color:#fff}
.nav-cta{margin-left:auto;display:flex;align-items:center;gap:12px}

/* 移动端菜单（纯 CSS，无脚本） */
.nav-toggle,.nav-toggle-label{display:none}
@media(max-width:920px){
  .nav-cta{margin-left:auto}
  .nav-toggle-label{
    display:flex;flex-direction:column;justify-content:center;gap:5px;
    width:42px;height:42px;cursor:pointer;border-radius:8px;
    border:1px solid var(--line-dark);padding:0 9px;
  }
  .nav-toggle-label span{height:2px;background:#fff;border-radius:2px;transition:.2s}
  .nav-links{
    position:absolute;left:0;right:0;top:68px;flex-direction:column;align-items:stretch;
    gap:0;background:var(--ink);border-bottom:1px solid var(--line-dark);
    margin:0;padding:8px 16px 18px;
    max-height:0;overflow:hidden;transition:max-height .28s ease;
  }
  .nav-links a{padding:13px 8px;border-radius:0;border-bottom:1px solid var(--line-dark)}
  .nav-toggle:checked ~ .nav-links{max-height:380px}
}

/* ============================================================
   分区背景
   ============================================================ */
.section{padding:84px 0}
.section.tight{padding:64px 0}
.bg-dark{background:var(--ink);color:var(--text)}
.bg-dark h2.title{color:#fff}
.bg-dark .lead{color:var(--text-mut)}
.bg-soft{background:var(--paper-2)}

/* ============================================================
   英雄区
   ============================================================ */
.hero{
  position:relative;overflow:hidden;
  background:radial-gradient(120% 130% at 78% 0%,#1a2330 0%,var(--ink) 55%);
  color:var(--text);padding:96px 0 92px;
}
.hero::before{
  content:"";position:absolute;top:-60px;right:-40px;
  border-left:170px solid transparent;border-right:170px solid transparent;
  border-top:300px solid rgba(227,27,35,.16);transform:rotate(18deg);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;bottom:-90px;right:120px;
  width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(21,179,116,.18),transparent 65%);
  pointer-events:none;
}
.hero .wrap{position:relative;z-index:2}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--text);background:rgba(255,255,255,.06);
  border:1px solid var(--line-dark);padding:7px 15px;border-radius:999px;margin-bottom:24px;
}
.hero-tag i{width:7px;height:7px;border-radius:50%;background:var(--up);display:inline-block}
.hero h1{font-size:46px;line-height:1.2;color:#fff;max-width:760px;margin-bottom:20px}
.hero h1 em{color:var(--brand);font-style:normal}
.hero p.sub{font-size:18px;color:var(--text-mut);max-width:600px;margin-bottom:34px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}

/* 信任数据条 */
.trust{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  margin-top:58px;padding-top:36px;border-top:1px solid var(--line-dark);
}
.trust .num{font-size:34px;font-weight:800;color:#fff;letter-spacing:.01em}
.trust .num b{color:var(--brand)}
.trust .lbl{font-size:14px;color:var(--text-mut);margin-top:2px}

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

.card{
  background:var(--paper);border:1px solid var(--paper-3);border-radius:var(--radius);
  padding:30px 26px;transition:.2s;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#dfe5ec}
.card .ico{
  width:52px;height:52px;border-radius:12px;background:var(--brand-soft);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;
}
.card .ico svg{width:26px;height:26px;stroke:var(--brand)}
.card h3{font-size:19px;margin-bottom:10px;color:var(--text-dark)}
.card p{font-size:15px;color:var(--text-dark-mut)}

/* 深色卡片变体 */
.bg-dark .card{background:var(--ink-2);border-color:var(--line-dark)}
.bg-dark .card:hover{border-color:rgba(255,255,255,.2);box-shadow:none}
.bg-dark .card h3{color:#fff}
.bg-dark .card p{color:var(--text-mut)}

/* ============================================================
   优势条目
   ============================================================ */
.adv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.adv{
  display:flex;align-items:center;gap:14px;
  background:var(--ink-2);border:1px solid var(--line-dark);
  border-radius:var(--radius-sm);padding:18px 18px;
}
.adv .dot{
  flex:none;width:40px;height:40px;border-radius:10px;background:var(--brand-soft);
  display:flex;align-items:center;justify-content:center;
}
.adv .dot svg{width:21px;height:21px;stroke:var(--brand)}
.adv span{font-size:15px;font-weight:500;color:var(--text)}

/* ============================================================
   账户类型表
   ============================================================ */
.acct{
  background:var(--paper);border:1px solid var(--paper-3);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;
}
.acct.feature{border-color:var(--brand);box-shadow:0 14px 40px rgba(227,27,35,.12)}
.acct .head{padding:24px 26px 18px;border-bottom:1px solid var(--paper-3);position:relative}
.acct .head .badge{
  position:absolute;top:20px;right:22px;font-size:11px;font-weight:700;letter-spacing:.08em;
  color:#fff;background:var(--brand);padding:4px 10px;border-radius:999px;
}
.acct .head h3{font-size:21px;color:var(--text-dark)}
.acct .head .plat{font-size:13px;color:var(--text-dark-mut);margin-top:4px}
.acct .rows{padding:8px 26px 4px;flex:1}
.acct .row{
  display:flex;justify-content:space-between;align-items:baseline;
  padding:12px 0;border-bottom:1px dashed var(--paper-3);font-size:14px;
}
.acct .row:last-child{border-bottom:none}
.acct .row .k{color:var(--text-dark-mut)}
.acct .row .v{font-weight:700;color:var(--text-dark)}
.acct .row .v em{color:var(--brand);font-style:normal}
.acct .foot{padding:18px 26px 26px}
.acct .foot .btn{width:100%}

/* ============================================================
   平台对照
   ============================================================ */
.plat-row{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.plat-card{
  background:var(--ink-2);border:1px solid var(--line-dark);border-radius:var(--radius);
  padding:32px 30px;
}
.plat-card h3{font-size:24px;color:#fff;margin-bottom:6px}
.plat-card .ver{font-size:13px;color:var(--brand);font-weight:600;letter-spacing:.1em;margin-bottom:16px}
.plat-card p{font-size:15px;color:var(--text-mut);margin-bottom:20px}
.plat-card ul{list-style:none;display:flex;flex-direction:column;gap:11px}
.plat-card li{display:flex;gap:10px;font-size:15px;color:var(--text)}
.plat-card li::before{content:"";flex:none;width:18px;height:18px;margin-top:4px;
  background:var(--brand);border-radius:5px;
  -webkit-mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path fill='black' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/></svg>") center/14px no-repeat;
          mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path fill='black' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/></svg>") center/14px no-repeat;}

/* ============================================================
   开户步骤
   ============================================================ */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;counter-reset:step}
.step{position:relative;padding:30px 26px;background:var(--paper);
  border:1px solid var(--paper-3);border-radius:var(--radius)}
.step .no{
  font-size:15px;font-weight:800;color:#fff;background:var(--brand);
  width:36px;height:36px;border-radius:10px;display:flex;align-items:center;
  justify-content:center;margin-bottom:16px;
}
.step h3{font-size:18px;margin-bottom:8px;color:var(--text-dark)}
.step p{font-size:15px;color:var(--text-dark-mut)}

/* ============================================================
   主页结尾 CTA（仅主页使用）
   ============================================================ */
.cta-band{
  background:linear-gradient(100deg,var(--brand) 0%,var(--brand-dark) 100%);
  border-radius:var(--radius);padding:54px 48px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;
}
.cta-band h2{font-size:28px;color:#fff;margin-bottom:8px}
.cta-band p{color:rgba(255,255,255,.9);font-size:16px;max-width:520px}
.cta-band .btn{background:#fff;color:var(--brand);border:none}
.cta-band .btn:hover{background:#f3f3f3;transform:translateY(-1px)}

/* ============================================================
   内容页正文
   ============================================================ */
.page-head{
  background:radial-gradient(120% 140% at 80% 0%,#1a2330 0%,var(--ink) 60%);
  color:var(--text);padding:70px 0 60px;position:relative;overflow:hidden;
}
.page-head::before{
  content:"";position:absolute;top:-40px;right:-30px;
  border-left:120px solid transparent;border-right:120px solid transparent;
  border-top:210px solid rgba(227,27,35,.14);transform:rotate(18deg);
}
.page-head .wrap{position:relative;z-index:2}
.page-head h1{font-size:38px;color:#fff;margin-bottom:14px}
.page-head p{font-size:17px;color:var(--text-mut);max-width:640px}
.breadcrumb{font-size:13px;color:var(--text-mut);margin-bottom:18px}
.breadcrumb b{color:var(--brand)}

.prose{max-width:820px}
.prose h2{font-size:24px;color:var(--text-dark);margin:42px 0 14px}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:18px;color:var(--text-dark);margin:26px 0 10px}
.prose p{font-size:16px;color:var(--text-dark-mut);margin-bottom:16px}
.prose ul{margin:0 0 18px;padding-left:0;list-style:none;display:flex;flex-direction:column;gap:10px}
.prose ul li{position:relative;padding-left:26px;font-size:16px;color:var(--text-dark-mut)}
.prose ul li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;
  background:var(--brand);border-radius:2px;transform:rotate(45deg)}
.prose strong{color:var(--text-dark)}

/* 信息表格 */
.spec-table{width:100%;border-collapse:collapse;margin:14px 0 26px;font-size:15px}
.spec-table th,.spec-table td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--paper-3)}
.spec-table th{background:var(--paper-2);color:var(--text-dark);font-weight:700}
.spec-table td{color:var(--text-dark-mut)}
.spec-table tr:hover td{background:var(--paper-2)}

/* 双栏信息块 */
.info-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin:8px 0}
.info-box{background:var(--paper-2);border:1px solid var(--paper-3);border-radius:var(--radius);padding:26px}
.info-box h3{font-size:18px;color:var(--text-dark);margin-bottom:10px}
.info-box p{font-size:15px;color:var(--text-dark-mut);margin:0}

/* ============================================================
   页脚
   ============================================================ */
.site-footer{background:var(--ink);color:var(--text-mut);padding:64px 0 0}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1.2fr;gap:48px;padding-bottom:46px}
.foot-col .brand{margin-bottom:16px}
.foot-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;letter-spacing:.04em}
.foot-col p{font-size:14px;line-height:1.9;color:var(--text-mut)}
.foot-list{list-style:none;display:flex;flex-direction:column;gap:11px}
.foot-list li{font-size:14px;color:var(--text-mut)}
.foot-contact{display:flex;flex-direction:column;gap:12px}
.foot-contact .item{display:flex;gap:10px;font-size:14px;color:var(--text-mut)}
.foot-contact .item svg{flex:none;width:18px;height:18px;stroke:var(--brand);margin-top:2px}
.foot-bottom{border-top:1px solid var(--line-dark);padding:22px 0 30px}
.foot-bottom .risk{font-size:12.5px;color:#6b7585;line-height:1.85;margin-bottom:14px}
.foot-bottom .copy{font-size:13px;color:var(--text-mut)}

/* ============================================================
   响应式
   ============================================================ */
@media(max-width:980px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .adv-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:1fr}
  .plat-row{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr;gap:34px}
  .hero h1{font-size:36px}
  .trust{grid-template-columns:repeat(2,1fr);gap:28px}
}
@media(max-width:620px){
  .section{padding:60px 0}
  .hero{padding:70px 0 64px}
  .hero h1{font-size:29px}
  .hero p.sub{font-size:16px}
  h2.title{font-size:25px}
  .grid-4,.grid-3,.grid-2,.info-2{grid-template-columns:1fr}
  .adv-grid{grid-template-columns:1fr}
  .cta-band{padding:36px 28px}
  .cta-band h2{font-size:23px}
  .page-head h1{font-size:29px}
  .trust .num{font-size:27px}
  .hero-actions .btn,.hero-actions{width:100%}
}