/* ===== HFM 外汇中文站 · 基础样式 ===== */
:root{
  --hfm-red:#E30613;
  --hfm-red-dark:#B8040F;
  --ink:#15171C;
  --ink-soft:#2A2D34;
  --paper:#ffffff;
  --mist:#F5F6F8;
  --mist-2:#EEF0F3;
  --line:#E2E5EA;
  --muted:#646B76;
  --maxw:1180px;
  --radius:14px;
  --shadow:0 10px 34px rgba(20,22,28,.08);
  --font:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","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(--ink);
  background:var(--paper);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}

/* ---- 通用排版 ---- */
.eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--hfm-red);text-transform:uppercase;margin-bottom:14px;
  position:relative;padding-left:30px;
}
.eyebrow::before{
  content:"";position:absolute;left:0;top:50%;width:22px;height:2px;
  background:var(--hfm-red);transform:translateY(-50%);
}
h1,h2,h3{line-height:1.3;letter-spacing:-.01em}
h2.title{font-size:clamp(26px,4vw,38px);font-weight:800;color:var(--ink)}
.lead{color:var(--muted);font-size:17px;max-width:680px;margin-top:14px}
.section{padding:78px 0}
.section.alt{background:var(--mist)}
.center{text-align:center}
.center .lead{margin-left:auto;margin-right:auto}

/* ---- 按钮 ---- */
.btn{
  display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:15px;
  padding:13px 26px;border-radius:9px;transition:.18s ease;cursor:pointer;border:2px solid transparent;
}
.btn-primary{background:var(--hfm-red);color:#fff}
.btn-primary:hover{background:var(--hfm-red-dark)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn-line{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-line:hover{border-color:var(--hfm-red);color:var(--hfm-red)}
.btn-arrow::after{content:"›";font-size:20px;line-height:1;margin-top:-2px}

/* ===== 顶部导航 ===== */
.topbar{background:var(--ink);color:#cfd3da;font-size:13px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:38px}
.topbar span{opacity:.8}
.topbar .tb-tag{color:#fff;font-weight:600;opacity:1}

header.site{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:saturate(160%) blur(8px);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}
.brand .mark{width:38px;height:38px}
.brand .name{display:flex;flex-direction:column;line-height:1.05}
.brand .name b{font-size:23px;font-weight:800;letter-spacing:.02em;color:var(--ink)}
.brand .name b i{color:var(--hfm-red);font-style:normal}
.brand .name small{font-size:11px;color:var(--muted);letter-spacing:.22em;font-weight:600}
.menu{display:flex;align-items:center;gap:30px;list-style:none}
.menu a{font-size:15px;font-weight:600;color:var(--ink-soft);padding:6px 0;position:relative}
.menu a:hover{color:var(--hfm-red)}
.menu a[aria-current="page"]{color:var(--hfm-red)}
.menu a::after{content:"";position:absolute;left:0;bottom:-2px;height:2px;width:0;background:var(--hfm-red);transition:.2s}
.menu a:hover::after,.menu a[aria-current="page"]::after{width:100%}
.nav-cta{display:flex;align-items:center;gap:14px}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.burger span{width:24px;height:2px;background:var(--ink);border-radius:2px}

/* 移动端折叠菜单（纯 CSS，无脚本） */
#nav-toggle{display:none}

/* ===== Hero ===== */
.hero{position:relative;color:#fff;overflow:hidden;background:linear-gradient(135deg,#1A1C22 0%,#26181B 56%,#3A0E14 100%)}
.hero::after{content:"";position:absolute;right:-120px;top:-80px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(227,6,19,.28),transparent 62%);pointer-events:none}
.hero .wrap{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;padding-top:74px;padding-bottom:84px}
.hero h1{font-size:clamp(30px,5vw,50px);font-weight:800;letter-spacing:-.015em}
.hero h1 em{color:#FF5A63;font-style:normal}
.hero p.sub{margin:22px 0 30px;font-size:18px;color:#D6D9E0;max-width:560px}
.hero .actions{display:flex;gap:14px;flex-wrap:wrap}
.hero .micro{margin-top:22px;font-size:13px;color:#9CA1AC}

/* hero 静态行情图形 */
.hero-art{background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.1);border-radius:18px;padding:22px}
.hero-art .row{display:flex;justify-content:space-between;align-items:center;padding:11px 4px;border-bottom:1px solid rgba(255,255,255,.08);font-size:14px}
.hero-art .row:last-child{border-bottom:0}
.hero-art .pair{font-weight:700;color:#fff}
.hero-art .px{color:#cfd3da;font-variant-numeric:tabular-nums}
.hero-art .chg{font-weight:700;font-variant-numeric:tabular-nums}
.up{color:#3FD08A}.down{color:#FF6B72}
.hero-art .spark{margin-top:6px}

/* ===== 数据条 ===== */
.stats{background:var(--ink);color:#fff}
.stats .grid{display:grid;grid-template-columns:repeat(4,1fr);text-align:center;padding:50px 0}
.stats .num{font-size:clamp(28px,4vw,40px);font-weight:800;color:#fff;letter-spacing:-.02em}
.stats .num span{color:var(--hfm-red)}
.stats .lab{font-size:14px;color:#A7ACB6;margin-top:6px}
.stats .grid>div{padding:8px 10px;border-left:1px solid rgba(255,255,255,.08)}
.stats .grid>div:first-child{border-left:0}

/* ===== 卡片网格 ===== */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:42px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:42px}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;transition:.2s}
.section.alt .card{background:#fff}
.card:hover{box-shadow:var(--shadow);transform:translateY(-3px);border-color:#fff}
.card .ico{width:46px;height:46px;border-radius:11px;background:#FDE7E8;color:var(--hfm-red);display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.card .ico svg{width:24px;height:24px}
.card h3{font-size:19px;font-weight:700;margin-bottom:9px}
.card p{color:var(--muted);font-size:15px}

/* 账户类型卡片 */
.acct{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;margin-top:42px}
.acct .a-card{border:1px solid var(--line);border-radius:var(--radius);padding:26px 20px;background:#fff;position:relative;border-top:3px solid var(--hfm-red)}
.acct .a-card h3{font-size:18px;margin-bottom:6px}
.acct .a-card .tag{font-size:12.5px;color:var(--muted);min-height:38px}
.acct .a-card ul{list-style:none;margin-top:16px;font-size:14px}
.acct .a-card li{padding:7px 0 7px 22px;position:relative;color:var(--ink-soft);border-top:1px solid var(--mist-2)}
.acct .a-card li::before{content:"";position:absolute;left:2px;top:14px;width:9px;height:5px;border-left:2px solid var(--hfm-red);border-bottom:2px solid var(--hfm-red);transform:rotate(-45deg)}

/* 平台条 */
.plat{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:42px}
.plat .p-card{border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;background:#fff}
.plat .p-card .badge{font-size:12px;font-weight:700;color:var(--hfm-red);letter-spacing:.08em}
.plat .p-card h3{font-size:20px;margin:8px 0 10px}
.plat .p-card p{color:var(--muted);font-size:14.5px}
.plat .p-card ul{list-style:none;margin-top:14px;font-size:14px;color:var(--ink-soft)}
.plat .p-card li{padding:5px 0 5px 18px;position:relative}
.plat .p-card li::before{content:"·";position:absolute;left:4px;color:var(--hfm-red);font-weight:800}

/* 市场网格 */
.mkt{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-top:42px;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.mkt .m-item{padding:26px 24px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}
.mkt .m-item h3{font-size:18px;display:flex;align-items:center;gap:10px;margin-bottom:8px}
.mkt .m-item h3 b{color:var(--hfm-red);font-weight:800}
.mkt .m-item p{color:var(--muted);font-size:14.5px}

/* 优势行 */
.feat{display:grid;grid-template-columns:repeat(2,1fr);gap:30px 50px;margin-top:42px}
.feat .f{display:flex;gap:16px}
.feat .f .n{flex:0 0 auto;width:42px;height:42px;border-radius:10px;background:var(--ink);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800}
.feat .f h3{font-size:18px;margin-bottom:6px}
.feat .f p{color:var(--muted);font-size:15px}

/* 富文本（分页正文） */
.prose{max-width:760px}
.prose h2{font-size:24px;font-weight:800;margin:38px 0 14px}
.prose h3{font-size:19px;font-weight:700;margin:26px 0 10px}
.prose p{color:#3b4049;margin:12px 0}
.prose ul{margin:14px 0 14px 4px;list-style:none}
.prose li{padding:6px 0 6px 24px;position:relative;color:#3b4049}
.prose li::before{content:"";position:absolute;left:2px;top:14px;width:9px;height:5px;border-left:2px solid var(--hfm-red);border-bottom:2px solid var(--hfm-red);transform:rotate(-45deg)}

/* 页面小标题区 */
.pagehead{background:var(--ink);color:#fff;padding:54px 0 50px}
.pagehead .crumb{font-size:13px;color:#9CA1AC;margin-bottom:14px}
.pagehead .crumb a:hover{color:#fff}
.pagehead h1{font-size:clamp(26px,4vw,40px);font-weight:800}
.pagehead p{color:#C6CAD2;margin-top:12px;max-width:680px}

/* CTA 区（仅首页） */
.ctaband{background:linear-gradient(120deg,var(--hfm-red),#8E0610);color:#fff;text-align:center;padding:64px 0}
.ctaband h2{font-size:clamp(24px,3.4vw,34px);font-weight:800}
.ctaband p{margin:12px auto 26px;max-width:560px;color:#FFE3E5}
.ctaband .btn-primary{background:#fff;color:var(--hfm-red)}
.ctaband .btn-primary:hover{background:#15171C;color:#fff}

/* ===== 页脚（三列） ===== */
footer.site{background:#101216;color:#A7ACB6;padding:58px 0 0;font-size:14.5px}
.foot{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
.foot .brand .name b{color:#fff}
.foot h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;letter-spacing:.02em}
.foot p{line-height:1.8;margin-top:14px}
.foot ul{list-style:none}
.foot ul li{padding:6px 0;color:#A7ACB6}
.foot .contact div{padding:5px 0;display:flex;gap:9px;align-items:flex-start}
.foot .contact b{color:#fff;font-weight:600;flex:0 0 56px}
.foot-bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:46px;padding:22px 0 30px}
.foot-bottom .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:13px;color:#7C828C}
.risk{background:#0B0C0F;color:#6E747E;font-size:12.5px;line-height:1.85;padding:22px 0}
.risk .wrap{max-width:var(--maxw)}

/* ===== 响应式 ===== */
@media(max-width:960px){
  .hero .wrap{grid-template-columns:1fr;gap:30px}
  .hero-art{order:2}
  .stats .grid{grid-template-columns:repeat(2,1fr);gap:18px 0}
  .stats .grid>div:nth-child(3){border-left:0}
  .acct{grid-template-columns:repeat(2,1fr)}
  .plat{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:1fr 1fr}
  .mkt{grid-template-columns:1fr 1fr}
  .feat{grid-template-columns:1fr}
  .foot{grid-template-columns:1fr 1fr}
}
@media(max-width:720px){
  .burger{display:flex}
  .menu{
    position:absolute;left:0;right:0;top:70px;background:#fff;flex-direction:column;
    gap:0;border-bottom:1px solid var(--line);max-height:0;overflow:hidden;transition:max-height .28s ease;align-items:stretch
  }
  #nav-toggle:checked ~ .menu{max-height:380px}
  .menu li{border-top:1px solid var(--mist-2)}
  .menu li:first-child{border-top:0}
  .menu a{display:block;padding:15px 22px}
  .menu a::after{display:none}
  .nav-cta .btn{display:none}
  .nav-cta .btn.show-m{display:inline-flex;padding:10px 18px;font-size:14px}
}
@media(max-width:560px){
  .grid-3,.grid-2,.acct,.plat,.mkt{grid-template-columns:1fr}
  .stats .grid{grid-template-columns:1fr 1fr}
  .foot{grid-template-columns:1fr}
  .section{padding:56px 0}
}
@media(prefers-reduced-motion:reduce){
  *{scroll-behavior:auto !important;transition:none !important}
}