/* ===========================================================
   TMGM 外汇中文站  —  全站样式
   配色：深海军蓝 + TMGM 橙红 + 暖金点缀
   字体：本土化中文字体栈（苹方 / 微软雅黑）
   =========================================================== */

:root{
  --navy-900:#08172B;
  --navy-800:#0C2240;
  --navy-700:#123257;
  --navy-600:#1B4474;
  --accent:#FA541C;        /* TMGM 橙红 */
  --accent-d:#DC3F08;
  --gold:#C8A24A;
  --paper:#F5F7FB;
  --paper-2:#EEF2F8;
  --white:#FFFFFF;
  --line:#E2E8F1;
  --line-d:#D2DAE6;
  --text:#13233B;
  --muted:#5C6E85;
  --muted-2:#8493A6;

  --cn:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC","Noto Sans CJK SC","WenQuanYi Micro Hei",sans-serif;
  --num:"Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;

  --wrap:1180px;
  --radius:14px;
  --shadow:0 14px 40px rgba(8,23,43,.10);
  --shadow-sm:0 4px 18px rgba(8,23,43,.07);
}

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

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 22px}

/* ---------- 通用排版 ---------- */
.eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.18em;
  color:var(--accent);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow.light{color:#FFC2A6}
h1,h2,h3,h4{line-height:1.3;font-weight:800;letter-spacing:.01em}
.section{padding:84px 0}
.section.tight{padding:64px 0}
.section-head{max-width:720px;margin-bottom:46px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{font-size:30px;color:var(--navy-800)}
.section-head p{margin-top:14px;color:var(--muted);font-size:16.5px}

.lead{font-size:17.5px;color:var(--muted);line-height:1.85}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--cn);font-size:15.5px;font-weight:700;cursor:pointer;
  padding:13px 26px;border-radius:10px;border:1.5px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease;
}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 8px 22px rgba(250,84,28,.32)}
.btn-accent:hover{background:var(--accent-d);transform:translateY(-2px)}
.btn-ghost{border-color:rgba(255,255,255,.45);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.10);border-color:#fff}
.btn-outline{border-color:var(--line-d);color:var(--navy-800);background:#fff}
.btn-outline:hover{border-color:var(--accent);color:var(--accent)}
.btn .arr{font-size:17px;line-height:1}

/* ===========================================================
   顶栏导航（含 CSS-only 响应式汉堡菜单）
   =========================================================== */
.nav-toggle{display:none}
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(8,23,43,.96);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.nav{display:flex;align-items:center;gap:26px;height:70px;position:relative}
.brand{display:flex;align-items:center;gap:11px;margin-right:auto}
.brand .mark{width:34px;height:34px}
.brand .name{display:flex;flex-direction:column;line-height:1.05}
.brand .name b{color:#fff;font-size:19px;letter-spacing:.06em;font-weight:800}
.brand .name span{color:#9FB2C9;font-size:11px;letter-spacing:.22em}

.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{
  color:#CBD7E6;font-size:15.5px;font-weight:600;padding:6px 0;position:relative;
  transition:color .16s ease;
}
.nav-links a:hover,.nav-links a.active{color:#fff}
.nav-links a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;
  background:var(--accent);border-radius:2px;
}

.hamburger{display:none;cursor:pointer;color:#fff;padding:6px}
.hamburger svg{width:26px;height:26px}

/* ===========================================================
   首屏 Hero
   =========================================================== */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:
    radial-gradient(900px 480px at 82% -8%,rgba(250,84,28,.20),transparent 60%),
    linear-gradient(160deg,var(--navy-900) 0%,var(--navy-800) 55%,var(--navy-700) 100%);
}
.hero .market-bg{position:absolute;inset:0;width:100%;height:100%;opacity:.5;pointer-events:none}
.hero .wrap{position:relative;z-index:2;padding-top:92px;padding-bottom:96px}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:54px;align-items:center}
.hero h1{
  font-size:46px;line-height:1.18;color:#fff;letter-spacing:.005em;
}
.hero h1 .hl{color:var(--accent)}
.hero p.sub{margin-top:22px;font-size:18px;color:#C6D3E4;max-width:540px;line-height:1.85}
.hero-actions{margin-top:34px;display:flex;gap:14px;flex-wrap:wrap}
.hero-trust{margin-top:30px;display:flex;gap:10px;flex-wrap:wrap}
.hero-trust span{
  font-size:13px;color:#AFC0D4;border:1px solid rgba(255,255,255,.16);
  padding:6px 13px;border-radius:30px;background:rgba(255,255,255,.04);
}

/* 行情卡（静态、非实时，仅作品牌示意） */
.quote-card{
  background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.12);
  border-radius:18px;padding:24px;backdrop-filter:blur(4px);
}
.quote-card h4{color:#EAF1F8;font-size:14px;font-weight:700;letter-spacing:.04em;margin-bottom:6px}
.quote-card .qc-note{color:#8FA3BB;font-size:12px;margin-bottom:16px}
.qc-row{
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 0;border-top:1px solid rgba(255,255,255,.09);
}
.qc-row .pair{color:#E7EEF6;font-weight:700;font-family:var(--num);letter-spacing:.04em}
.qc-row .pair small{display:block;color:#8FA3BB;font-weight:500;font-size:11px;letter-spacing:.02em}
.qc-row .spread{font-family:var(--num);color:#fff;font-weight:700}
.qc-row .spread em{font-style:normal;color:var(--gold);font-size:12px;margin-left:4px}

/* ---------- 数据条 ---------- */
.stats{background:var(--navy-800);color:#fff}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:40px 22px}
.stat .num{font-family:var(--num);font-size:32px;font-weight:800;color:#fff;letter-spacing:.01em}
.stat .num .u{color:var(--accent);font-size:22px;margin-left:2px}
.stat .lbl{color:#A8BACE;font-size:14px;margin-top:6px}

/* ===========================================================
   通用卡片 / 网格
   =========================================================== */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}

.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 26px;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#CFD9E6}
.card .ic{
  width:46px;height:46px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--navy-700),var(--navy-600));margin-bottom:18px;
}
.card .ic svg{width:24px;height:24px;stroke:#fff}
.card h3{font-size:18.5px;color:var(--navy-800);margin-bottom:10px}
.card p{color:var(--muted);font-size:15px}

.bg-paper{background:var(--paper)}

/* ---------- 特性行（图标+文字） ---------- */
.feature-row{display:grid;grid-template-columns:repeat(2,1fr);gap:30px 50px}
.feat{display:flex;gap:16px}
.feat .fic{
  flex:0 0 44px;width:44px;height:44px;border-radius:10px;
  background:#FFF1EB;display:flex;align-items:center;justify-content:center;
}
.feat .fic svg{width:22px;height:22px;stroke:var(--accent)}
.feat h3{font-size:17px;color:var(--navy-800);margin-bottom:6px}
.feat p{color:var(--muted);font-size:14.5px}

/* ---------- 产品表格 ---------- */
.spec-table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.spec-table th,.spec-table td{padding:15px 18px;text-align:left;font-size:15px;border-bottom:1px solid var(--line)}
.spec-table thead th{background:var(--navy-800);color:#fff;font-weight:700;letter-spacing:.02em}
.spec-table tbody tr:last-child td{border-bottom:none}
.spec-table tbody tr:nth-child(even){background:var(--paper)}
.spec-table td.num{font-family:var(--num);color:var(--navy-700);font-weight:700}

/* ---------- 步骤 ---------- */
.steps{counter-reset:step;display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px}
.step::before{
  counter-increment:step;content:"0" counter(step);
  font-family:var(--num);font-size:30px;font-weight:800;color:var(--accent);opacity:.9;
}
.step h3{font-size:17px;color:var(--navy-800);margin:8px 0 8px}
.step p{color:var(--muted);font-size:14.5px}

/* ---------- 页面头部（分页面） ---------- */
.page-hero{
  color:#fff;padding:62px 0 56px;
  background:
    radial-gradient(700px 360px at 88% 0%,rgba(250,84,28,.16),transparent 60%),
    linear-gradient(150deg,var(--navy-900),var(--navy-700));
}
.page-hero .crumb{font-size:13px;color:#9FB2C9;margin-bottom:14px;letter-spacing:.04em}
.page-hero .crumb a:hover{color:#fff}
.page-hero h1{font-size:36px;color:#fff}
.page-hero p{margin-top:14px;color:#C6D3E4;font-size:17px;max-width:680px}

/* ---------- 正文排版（分页面） ---------- */
.prose{max-width:820px}
.prose h2{font-size:24px;color:var(--navy-800);margin:42px 0 16px}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:18.5px;color:var(--navy-700);margin:26px 0 10px}
.prose p{color:#33455D;font-size:16px;margin-bottom:16px;line-height:1.9}
.prose ul.bullet{margin:6px 0 18px;padding-left:2px}
.prose ul.bullet li{
  position:relative;padding-left:24px;margin-bottom:10px;color:#33455D;font-size:15.5px;line-height:1.8;
}
.prose ul.bullet li::before{
  content:"";position:absolute;left:2px;top:11px;width:8px;height:8px;border-radius:2px;
  background:var(--accent);transform:rotate(45deg);
}
.prose .note{
  background:var(--paper);border-left:3px solid var(--gold);
  padding:16px 20px;border-radius:0 10px 10px 0;color:#445870;font-size:14.5px;margin:22px 0;
}

.split{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}

/* ---------- 监管标签 ---------- */
.reg-list{display:flex;flex-wrap:wrap;gap:14px;margin-top:8px}
.reg-chip{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:12px;padding:16px 20px;min-width:150px;
}
.reg-chip b{color:var(--navy-800);font-size:16px;letter-spacing:.04em}
.reg-chip span{color:var(--muted);font-size:13px;margin-top:3px}

/* ===========================================================
   首页 CTA（仅首页使用）
   =========================================================== */
.home-cta{
  color:#fff;text-align:center;
  background:
    radial-gradient(600px 320px at 50% 0%,rgba(250,84,28,.22),transparent 65%),
    linear-gradient(135deg,var(--navy-800),var(--navy-700));
}
.home-cta h2{font-size:30px;color:#fff}
.home-cta p{margin:14px auto 28px;color:#C6D3E4;max-width:560px;font-size:16.5px}

/* ===========================================================
   页脚（三列）
   =========================================================== */
.site-footer{background:var(--navy-900);color:#AFC0D4;padding:58px 0 0}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1.1fr;gap:44px}
.foot-col h4{color:#fff;font-size:15px;letter-spacing:.06em;margin-bottom:18px;font-weight:700}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.foot-brand .mark{width:30px;height:30px}
.foot-brand b{color:#fff;font-size:18px;letter-spacing:.06em}
.foot-col p{font-size:14px;line-height:1.85;color:#9CAFC5}
.foot-col ul li{font-size:14px;color:#9CAFC5;padding:6px 0}
.foot-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:#9CAFC5;padding:7px 0}
.foot-contact li svg{width:17px;height:17px;stroke:var(--accent);flex:0 0 17px;margin-top:4px}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.09);margin-top:46px;padding:24px 0 34px;
}
.foot-bottom .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.foot-bottom small{color:#7C8EA4;font-size:13px;line-height:1.7}
.risk{
  background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.07);
  border-radius:10px;padding:16px 18px;margin-top:18px;
}
.risk p{color:#8093A8;font-size:12.5px;line-height:1.8}

/* ===========================================================
   响应式
   =========================================================== */
@media (max-width:960px){
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero h1{font-size:38px}
  .quote-card{max-width:440px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr;gap:34px}
  .foot-col.intro{grid-column:1 / -1}
}
@media (max-width:780px){
  .section{padding:60px 0}
  .hero .wrap{padding-top:60px;padding-bottom:64px}
  .hero h1{font-size:31px}
  .grid-3,.grid-2,.steps,.feature-row{grid-template-columns:1fr}
  .stats .wrap{grid-template-columns:repeat(2,1fr);gap:26px 18px}
  .split{grid-template-columns:1fr;gap:28px}
  .section-head h2,.home-cta h2,.page-hero h1{font-size:26px}

  /* 移动菜单 */
  .hamburger{display:flex}
  .hamburger .icon-close{display:none}
  .nav-links{
    position:absolute;left:0;right:0;top:70px;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--navy-800);border-bottom:1px solid rgba(255,255,255,.08);
    max-height:0;overflow:hidden;transition:max-height .3s ease;
  }
  .nav-links a{padding:15px 22px;border-top:1px solid rgba(255,255,255,.06)}
  .nav-links a.active::after{display:none}
  .nav .btn-accent{padding:10px 18px;font-size:14px}
  .nav-toggle:checked ~ .nav-links{max-height:340px}
  .nav-toggle:checked ~ .hamburger .icon-open{display:none}
  .nav-toggle:checked ~ .hamburger .icon-close{display:block}
}
@media (max-width:480px){
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom .wrap{flex-direction:column}
  .hero-actions .btn{width:100%;justify-content:center}
  .reg-chip{min-width:130px;flex:1}
}