/* =========================================================
   Saxo Bank 外汇中文站 — 全站样式
   配色取自 Saxo 品牌：深海军蓝 / 电光蓝 / 留白
   字体本土化，无任何外部 CDN
   ========================================================= */

:root{
  --ink:#0B1A33;        /* 主文字 深海军蓝 */
  --ink-2:#0E1F3D;      /* 深色区块底 */
  --ink-3:#0A1730;      /* 更深 */
  --blue:#1452CC;       /* Saxo 品牌蓝 */
  --blue-bright:#2F6BFF;/* 强调蓝 */
  --paper:#FFFFFF;
  --mist:#F4F6FA;       /* 浅色区块底 */
  --mist-2:#EEF2F8;
  --line:#E2E8F2;       /* 发丝分隔线 */
  --muted:#5B6B82;      /* 次级文字 */
  --muted-2:#8A97AA;
  --max:1180px;
  --radius:14px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","微软雅黑","Hiragino Sans GB","Heiti SC","Source Han Sans SC","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  color:var(--ink);
  background:var(--paper);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
.en{font-family:"Inter","Helvetica Neue",Arial,system-ui,sans-serif;letter-spacing:.2px}

.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.section{padding:84px 0}
.section.tight{padding:60px 0}
.bg-mist{background:var(--mist)}
.bg-ink{background:var(--ink-2);color:#E8EEF8}

/* ---------- 顶部导航 ---------- */
.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:18px;height:68px;max-width:var(--max);margin:0 auto;padding:0 24px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.3px;color:var(--ink)}
.brand img{width:30px;height:30px}
.brand .bn{font-size:18px}
.brand .bn small{display:block;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.5px}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{padding:9px 14px;border-radius:8px;color:var(--ink);font-size:15px;transition:background .15s,color .15s}
.nav-links a:hover{background:var(--mist)}
.nav-links a.active{color:var(--blue);font-weight:600}
.btn-open{
  background:var(--blue);color:#fff;padding:10px 20px;border-radius:9px;font-weight:600;font-size:15px;
  transition:background .15s,transform .15s;white-space:nowrap;
}
.btn-open:hover{background:#0E3FA8;transform:translateY(-1px)}
.nav-toggle{display:none;margin-left:auto;width:42px;height:42px;border:1px solid var(--line);border-radius:9px;background:#fff;cursor:pointer;position:relative}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:11px;width:20px;height:2px;background:var(--ink);transition:.2s
}
.nav-toggle span{top:20px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
#navtog{display:none}

/* ---------- 通用按钮 ---------- */
.btn{display:inline-block;padding:13px 26px;border-radius:10px;font-weight:600;font-size:15px;transition:.15s}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:#0E3FA8;transform:translateY(-1px)}
.btn-ghost{border:1px solid var(--line);color:var(--ink);background:#fff}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue)}
.btn-ghost.on-dark{border-color:rgba(255,255,255,.28);color:#fff;background:transparent}
.btn-ghost.on-dark:hover{border-color:#fff;background:rgba(255,255,255,.08)}

/* ---------- 文字与标题 ---------- */
.eyebrow{display:inline-block;font-size:13px;letter-spacing:2px;color:var(--blue);font-weight:600;text-transform:uppercase;margin-bottom:16px}
h1,h2,h3{line-height:1.3;letter-spacing:-.2px;font-weight:700}
h1{font-size:clamp(30px,4.4vw,52px)}
h2{font-size:clamp(24px,3vw,36px)}
h3{font-size:19px}
.lead{font-size:18px;color:var(--muted);max-width:62ch}
.muted{color:var(--muted)}
.center{text-align:center}
.center .lead{margin-left:auto;margin-right:auto}

/* ---------- Hero ---------- */
.hero{position:relative;background:
   radial-gradient(1100px 520px at 78% -10%,rgba(47,107,255,.16),transparent 60%),
   linear-gradient(180deg,var(--ink-3),var(--ink-2));
   color:#EAF1FF;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;
   background:linear-gradient(115deg,transparent 60%,rgba(47,107,255,.10) 100%);pointer-events:none}
.hero-inner{position:relative;z-index:2;padding:96px 0 88px;max-width:760px}
.hero .eyebrow{color:#7FA6FF}
.hero h1{color:#fff}
.hero p{font-size:19px;color:#B7C6E2;margin-top:18px;max-width:58ch}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}
.hero-trust{display:flex;flex-wrap:wrap;gap:26px;margin-top:46px;padding-top:30px;border-top:1px solid rgba(255,255,255,.12)}
.hero-trust div{min-width:120px}
.hero-trust .n{font-size:26px;font-weight:700;color:#fff}
.hero-trust .l{font-size:13px;color:#9FB2D4;margin-top:2px}

/* ---------- 信任标签条 ---------- */
.ticks{display:flex;flex-wrap:wrap;gap:14px 32px;justify-content:center}
.tick{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:500}
.tick svg{flex:0 0 auto;width:22px;height:22px}

/* ---------- 网格卡片 ---------- */
.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:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;
  transition:border-color .18s,transform .18s,box-shadow .18s;
}
.card:hover{border-color:#C5D3EC;transform:translateY(-3px);box-shadow:0 14px 34px -22px rgba(11,26,51,.4)}
.card .ico{width:46px;height:46px;border-radius:11px;display:grid;place-items:center;background:var(--mist);margin-bottom:16px}
.card .ico svg{width:24px;height:24px}
.card h3{margin-bottom:8px}
.card p{color:var(--muted);font-size:15px}

/* ---------- 两栏图文 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split.rev .col-text{order:2}
.feature-list{list-style:none;margin-top:22px;display:flex;flex-direction:column;gap:14px}
.feature-list li{display:flex;gap:12px;align-items:flex-start;color:var(--ink)}
.feature-list li svg{flex:0 0 auto;width:22px;height:22px;margin-top:3px}
.feature-list li b{font-weight:600}
.feature-list li span{color:var(--muted);font-size:15px;display:block}

.panel{
  background:linear-gradient(160deg,var(--ink-2),var(--ink-3));
  border-radius:18px;color:#dce6f7;padding:38px;border:1px solid rgba(255,255,255,.06)
}
.panel .row{display:flex;justify-content:space-between;padding:15px 0;border-bottom:1px solid rgba(255,255,255,.10);font-size:15px}
.panel .row:last-child{border-bottom:0}
.panel .row b{color:#fff;font-weight:600}
.panel .cap{font-size:13px;color:#8FA2C4;margin-top:18px}

/* ---------- 步骤 ---------- */
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.step{position:relative;padding:26px 24px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
.step::before{counter-increment:s;content:"0" counter(s);font-weight:700;color:var(--blue);font-size:15px;letter-spacing:1px}
.step h3{margin:10px 0 6px}
.step p{color:var(--muted);font-size:15px}

/* ---------- 数据条 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stat .n{font-size:clamp(26px,3.2vw,40px);font-weight:700;color:var(--ink);letter-spacing:-.5px}
.stat .l{color:var(--muted);font-size:14px;margin-top:4px}
.bg-ink .stat .n{color:#fff}
.bg-ink .stat .l{color:#9FB2D4}

/* ---------- 首页 CTA 区块（仅首页正文使用） ---------- */
.cta-band{
  background:
    radial-gradient(700px 320px at 85% 20%,rgba(47,107,255,.22),transparent 60%),
    linear-gradient(150deg,var(--ink-2),var(--ink-3));
  border-radius:20px;color:#fff;padding:60px 48px;text-align:center
}
.cta-band h2{color:#fff}
.cta-band p{color:#B7C6E2;margin:12px auto 28px;max-width:52ch}

/* ---------- 页面页眉（分页面用，无 CTA） ---------- */
.page-head{background:linear-gradient(180deg,var(--ink-3),var(--ink-2));color:#EAF1FF;padding:74px 0 64px}
.page-head .eyebrow{color:#7FA6FF}
.page-head h1{color:#fff}
.page-head p{color:#B7C6E2;font-size:18px;margin-top:14px;max-width:64ch}

/* ---------- 长文排版 ---------- */
.prose{max-width:760px}
.prose h2{margin:8px 0 16px}
.prose h3{margin:30px 0 10px;font-size:20px}
.prose p{color:#33455F;margin-bottom:16px}
.prose ul{margin:0 0 18px 0;padding-left:0;list-style:none;display:flex;flex-direction:column;gap:10px}
.prose ul li{position:relative;padding-left:26px;color:#33455F}
.prose ul li::before{content:"";position:absolute;left:4px;top:11px;width:8px;height:8px;border-radius:2px;background:var(--blue)}
.divider{height:1px;background:var(--line);margin:48px 0}

/* ---------- 风险提示条 ---------- */
.risk{background:var(--mist);border:1px solid var(--line);border-radius:12px;padding:18px 22px;font-size:13.5px;color:var(--muted);line-height:1.7}
.risk b{color:var(--ink)}

/* ---------- 页脚 ---------- */
.footer{background:var(--ink-3);color:#A9B7D2;padding:66px 0 28px;font-size:14.5px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:48px}
.footer h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.3px}
.footer .fbrand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer .fbrand img{width:30px;height:30px}
.footer .fbrand span{color:#fff;font-weight:700;font-size:17px}
.footer p{color:#92A2C2;line-height:1.8;max-width:42ch}
.footer ul{list-style:none}
.footer ul li{padding:6px 0;color:#A9B7D2}
.footer .contact li{display:flex;gap:10px;align-items:flex-start}
.footer .contact svg{width:18px;height:18px;margin-top:4px;flex:0 0 auto;opacity:.8}
.footer-bottom{border-top:1px solid rgba(255,255,255,.10);margin-top:48px;padding-top:24px;color:#7E8EAD;font-size:13px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between}
.footer-bottom .risk-mini{max-width:100%;color:#7E8EAD;line-height:1.7}

/* ---------- 响应式 ---------- */
@media(max-width:920px){
  .split,.cta-band{grid-template-columns:1fr}
  .split{gap:34px}
  .split.rev .col-text{order:0}
  .g-4{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr;gap:34px}
}
@media(max-width:760px){
  .section{padding:60px 0}
  .nav-links{
    position:absolute;left:0;right:0;top:68px;background:#fff;border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:0;padding:8px 16px 18px;display:none;
    box-shadow:0 20px 30px -24px rgba(11,26,51,.4)
  }
  .nav-links a{padding:13px 8px;border-radius:0;border-bottom:1px solid var(--mist-2)}
  .nav-links .btn-open{margin-top:12px;text-align:center;border-bottom:0}
  .nav-toggle{display:block}
  #navtog:checked ~ .nav-links{display:flex}
  .g-2,.g-3,.steps{grid-template-columns:1fr}
  .cta-band{padding:44px 26px}
  .hero-inner{padding:72px 0 64px}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
:focus-visible{outline:3px solid var(--blue-bright);outline-offset:2px;border-radius:4px}