/* ============================================================
   DooPrime 外汇中文站  ——  全站样式
   品牌色系：深海军蓝 + 科技蓝点缀，机构级专业气质
   ============================================================ */

:root{
  --navy-900:#061226;
  --navy-800:#0a1e3c;
  --navy-700:#0e2a52;
  --brand:#1763e8;
  --brand-bright:#2e86ff;
  --ink:#16202e;
  --slate:#586478;
  --mist:#eef3fb;
  --line:#e2e8f2;
  --gold:#c9a24b;
  --white:#ffffff;
  --maxw:1180px;
  --radius:12px;
  --shadow:0 14px 40px rgba(10,30,60,.10);
  --shadow-sm:0 6px 18px rgba(10,30,60,.07);
}

*{box-sizing:border-box;margin:0;padding:0}

html{scroll-behavior:smooth}

body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC","Source Han Sans SC","WenQuanYi Micro Hei",sans-serif;
  color:var(--ink);
  line-height:1.75;
  background:var(--white);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
ul{list-style:none}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ---------- 标题排版 ---------- */
h1,h2,h3{color:var(--navy-800);font-weight:700;letter-spacing:.2px;line-height:1.3}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:2px;
  color:var(--brand);margin-bottom:14px;
}
.section-title{font-size:30px;margin-bottom:14px}
.section-lead{color:var(--slate);font-size:16px;max-width:680px}

/* ============================================================
   顶部导航
   ============================================================ */
.topbar{
  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{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{display:flex;align-items:center;gap:11px;font-weight:700;font-size:19px;color:var(--navy-800)}
.brand .mark{width:34px;height:34px}
.brand small{display:block;font-size:11px;font-weight:500;color:var(--slate);letter-spacing:1px}

.menu{display:flex;align-items:center;gap:30px}
.menu a{font-size:15px;color:var(--ink);font-weight:500;padding:6px 0;position:relative}
.menu a:hover{color:var(--brand)}
.menu a.active{color:var(--brand)}
.menu a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;background:var(--brand);border-radius:2px;
}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:600;font-size:15px;border-radius:10px;cursor:pointer;
  padding:11px 22px;transition:transform .15s ease,box-shadow .15s ease,background .15s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(23,99,232,.28)}
.btn-primary:hover{background:#1457cf;transform:translateY(-1px)}
.btn-ghost{border:1px solid rgba(255,255,255,.4);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.1)}
.btn-outline{border:1px solid var(--brand);color:var(--brand)}
.btn-outline:hover{background:var(--brand);color:#fff}
.btn-lg{padding:14px 30px;font-size:16px}

/* 移动端汉堡 */
.nav-toggle{display:none;background:none;border:0;cursor:pointer;width:40px;height:40px}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--navy-800);margin:5px auto;border-radius:2px}

/* ============================================================
   英雄区（仅首页）
   ============================================================ */
.hero{
  position:relative;color:#fff;overflow:hidden;
  background:radial-gradient(1100px 520px at 78% -8%,rgba(46,134,255,.30),transparent 60%),
             linear-gradient(160deg,var(--navy-800) 0%,var(--navy-900) 100%);
}
.hero::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:46px 46px;mask-image:radial-gradient(620px 420px at 75% 10%,#000,transparent 70%);
}
.hero .wrap{position:relative;z-index:2;padding:88px 24px 96px}
.hero h1{color:#fff;font-size:46px;line-height:1.18;margin-bottom:20px;letter-spacing:.5px}
.hero h1 .hl{color:var(--brand-bright)}
.hero p.sub{font-size:18px;color:#c7d4ea;max-width:620px;margin-bottom:32px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:46px}

.hero-stats{display:flex;gap:46px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.14);padding-top:28px}
.hero-stats .num{font-size:30px;font-weight:700;color:#fff}
.hero-stats .lab{font-size:13px;color:#9fb2cf;margin-top:2px}

/* ============================================================
   通用区块
   ============================================================ */
.section{padding:78px 0}
.section.tint{background:var(--mist)}
.section-head{margin-bottom:46px}
.center{text-align:center}
.center .section-lead{margin-left:auto;margin-right:auto}

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

.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 26px;box-shadow:var(--shadow-sm);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#cdddf5}
.card .ico{
  width:46px;height:46px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  background:var(--mist);margin-bottom:16px;
}
.card .ico svg{width:24px;height:24px;stroke:var(--brand)}
.card h3{font-size:18px;margin-bottom:9px}
.card p{color:var(--slate);font-size:15px}

/* 带数字角标的卡片 */
.card .tag{font-size:13px;color:var(--brand);font-weight:600;letter-spacing:1px}

/* 产品行表 */
.market-list{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.market-list .row{padding:22px 24px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}
.market-list .row h3{font-size:17px;margin-bottom:6px}
.market-list .row p{color:var(--slate);font-size:14px}

/* 分栏：图文 */
.split{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center}
.split .pane h2{font-size:28px;margin-bottom:16px}
.split .pane p{color:var(--slate);margin-bottom:14px}
.feature-li{display:flex;gap:12px;align-items:flex-start;margin-bottom:14px}
.feature-li .dot{flex:0 0 22px;width:22px;height:22px;border-radius:50%;background:var(--mist);display:flex;align-items:center;justify-content:center;margin-top:3px}
.feature-li .dot svg{width:13px;height:13px;stroke:var(--brand)}
.feature-li b{color:var(--ink);font-weight:600}
.feature-li span{color:var(--slate);font-size:14px;display:block}

/* 面板装饰块 */
.panel{
  background:linear-gradient(155deg,var(--navy-700),var(--navy-900));
  border-radius:16px;padding:40px;color:#fff;box-shadow:var(--shadow);
}
.panel .kpi{display:grid;grid-template-columns:1fr 1fr;gap:26px 30px}
.panel .kpi .num{font-size:28px;font-weight:700;color:#fff}
.panel .kpi .lab{font-size:13px;color:#9fb2cf;margin-top:2px}
.panel .kpi .item{border-left:2px solid rgba(46,134,255,.6);padding-left:16px}

/* 步骤（真实有序流程才用编号） */
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.steps .step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;position:relative}
.steps .step::before{
  counter-increment:s;content:counter(s,decimal-leading-zero);
  font-size:14px;font-weight:700;color:var(--brand);letter-spacing:1px;
}
.steps .step h3{font-size:17px;margin:10px 0 8px}
.steps .step p{color:var(--slate);font-size:14px}

/* 首页 CTA（仅首页使用） */
.cta{
  background:radial-gradient(700px 320px at 20% 0%,rgba(46,134,255,.28),transparent 60%),
             linear-gradient(150deg,var(--navy-800),var(--navy-900));
  color:#fff;border-radius:18px;padding:54px 48px;text-align:center;box-shadow:var(--shadow);
}
.cta h2{color:#fff;font-size:30px;margin-bottom:12px}
.cta p{color:#c7d4ea;max-width:560px;margin:0 auto 26px}

/* 页内页头（分页面用） */
.page-head{
  background:linear-gradient(160deg,var(--navy-800),var(--navy-900));color:#fff;
  position:relative;overflow:hidden;
}
.page-head::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:46px 46px;mask-image:radial-gradient(540px 320px at 85% 0%,#000,transparent 72%);
}
.page-head .wrap{position:relative;z-index:2;padding:64px 24px}
.page-head h1{color:#fff;font-size:36px;margin-bottom:12px}
.page-head p{color:#c7d4ea;max-width:640px;font-size:16px}
.crumb{font-size:13px;color:#90a4c4;margin-bottom:18px}
.crumb a:hover{color:#fff}

/* 文章排版 */
.prose h2{font-size:25px;margin:8px 0 14px}
.prose h3{font-size:19px;margin:26px 0 10px}
.prose p{color:#3a4658;margin-bottom:16px}
.prose .note{
  background:var(--mist);border-left:3px solid var(--brand);border-radius:0 10px 10px 0;
  padding:18px 22px;color:#33425a;font-size:15px;margin:20px 0;
}

/* ============================================================
   页脚（三列）
   ============================================================ */
.footer{background:var(--navy-900);color:#aebbd0;padding:58px 0 26px;font-size:14.5px}
.footer .cols{display:grid;grid-template-columns:1.5fr 1fr 1.2fr;gap:44px}
.footer h4{color:#fff;font-size:15px;margin-bottom:18px;font-weight:600;letter-spacing:.5px}
.footer .fbrand{display:flex;align-items:center;gap:10px;margin-bottom:16px;color:#fff;font-weight:700;font-size:18px}
.footer .fbrand .mark{width:30px;height:30px}
.footer p{line-height:1.85;color:#9aa9c2}
.footer .svc li{padding:5px 0;color:#9aa9c2}
.footer .contact li{padding:5px 0;color:#9aa9c2;display:flex;gap:10px;align-items:flex-start}
.footer .contact svg{width:17px;height:17px;stroke:var(--brand-bright);flex:0 0 17px;margin-top:4px}
.footer .legal{
  border-top:1px solid rgba(255,255,255,.1);margin-top:40px;padding-top:22px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:13px;color:#7e8eaa;
}
.footer .risk{font-size:12.5px;color:#74839d;line-height:1.8;margin-top:14px}

/* ============================================================
   响应式
   ============================================================ */
@media(max-width:960px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:1fr}
  .market-list{grid-template-columns:1fr 1fr}
  .split{grid-template-columns:1fr;gap:36px}
  .footer .cols{grid-template-columns:1fr 1fr;gap:34px}
}

@media(max-width:720px){
  .nav-toggle{display:block}
  .menu{
    position:absolute;top:70px;left:0;right:0;background:#fff;flex-direction:column;
    align-items:stretch;gap:0;padding:8px 0;border-bottom:1px solid var(--line);
    box-shadow:var(--shadow);display:none;
  }
  .menu.open{display:flex}
  .menu a{padding:13px 24px;border-bottom:1px solid var(--mist)}
  .menu a.active::after{display:none}
  .menu .btn-primary{margin:12px 24px;text-align:center;justify-content:center}
  .hero h1{font-size:33px}
  .hero p.sub{font-size:16px}
  .section-title{font-size:25px}
  .grid-2,.grid-3,.grid-4,.market-list{grid-template-columns:1fr}
  .panel .kpi{grid-template-columns:1fr}
  .footer .cols{grid-template-columns:1fr;gap:30px}
  .cta{padding:40px 24px}
  .hero-stats{gap:28px}
}