/* ============================================================
   Fusion Markets 外汇中文站 — 共享样式
   品牌基调：深青绿 + 明亮绿强调色 + 浅色版面
   字体：中文系统字体优先（本土化、无需外部加载）
   ============================================================ */

:root{
  --ink:#062E2A;        /* 深青绿：深色区块 / 页脚 / 标题 */
  --brand:#0C5048;      /* 中青绿 */
  --brand-deep:#08423B;
  --accent:#14C98B;     /* 明亮绿：按钮 / 强调 */
  --accent-700:#0FAE78;
  --accent-soft:#DFF6EC;/* 浅薄荷：标签 / 浅块 */
  --surface:#F4F6F4;    /* 极浅冷中性背景 */
  --paper:#FFFFFF;
  --line:#E2E8E5;       /* 细线 */
  --text:#15231E;       /* 正文近黑绿 */
  --muted:#5A6B65;      /* 次要文字 */
  --maxw:1160px;
  --radius:16px;
  --radius-sm:10px;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC","Noto Sans SC",sans-serif;
  --shadow:0 1px 2px rgba(6,46,42,.04),0 12px 30px -18px rgba(6,46,42,.25);
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--sans);
  color:var(--text);
  background:var(--paper);
  line-height:1.75;
  letter-spacing:.01em;
  font-size:16.5px;
  -webkit-font-smoothing:antialiased;
}
img,svg{display:block;max-width:100%}
a{color:var(--brand);text-decoration:none}
h1,h2,h3{color:var(--ink);line-height:1.25;letter-spacing:0;margin:0}
h1{font-weight:800}
h2{font-weight:800;font-size:clamp(1.55rem,3.1vw,2.25rem)}
h3{font-weight:700;font-size:1.18rem}
p{margin:0}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.section{padding:74px 0}
.section--tight{padding:54px 0}
.eyebrow{
  display:inline-block;font-size:.82rem;font-weight:700;letter-spacing:.14em;
  color:var(--accent-700);text-transform:uppercase;margin-bottom:14px;
}
.lead{color:var(--muted);font-size:1.06rem;max-width:62ch}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.5em;cursor:pointer;border:0;
  font-family:inherit;font-weight:700;font-size:1rem;border-radius:999px;
  padding:13px 26px;transition:transform .15s ease,box-shadow .15s ease,background .15s ease;
}
.btn--cta{background:var(--accent);color:var(--ink)}
.btn--cta:hover{background:var(--accent-700);transform:translateY(-1px);box-shadow:0 10px 24px -10px rgba(20,201,139,.7)}
.btn--ghost{background:transparent;color:var(--ink);border:1.5px solid var(--line)}
.btn--ghost:hover{border-color:var(--ink)}
.btn--ondark{background:var(--accent);color:var(--ink)}
.btn--ondark:hover{background:var(--accent-700);transform:translateY(-1px)}
.btn .arr{font-size:1.05em;line-height:1}

/* ---------- 顶部导航 ---------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);
  backdrop-filter:saturate(150%) blur(8px);border-bottom:1px solid var(--line)}
.nav__in{display:flex;align-items:center;justify-content:space-between;
  height:68px;max-width:var(--maxw);margin:0 auto;padding:0 22px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--ink);font-size:1.12rem}
.brand svg{width:30px;height:30px;border-radius:8px}
.brand small{font-weight:600;color:var(--muted);font-size:.74rem;letter-spacing:.04em}
.nav__links{display:flex;align-items:center;gap:30px}
.nav__links a{color:var(--ink);font-weight:600;font-size:.98rem;position:relative;padding:6px 0}
.nav__links a:hover{color:var(--brand)}
.nav__links a[aria-current="page"]{color:var(--brand)}
.nav__links a[aria-current="page"]::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--accent);border-radius:2px}
.nav__cta{display:flex;align-items:center;gap:14px}
.nav__toggle{display:none;background:none;border:0;cursor:pointer;padding:8px;color:var(--ink)}
.nav__toggle svg{width:26px;height:26px}

@media(max-width:900px){
  .nav__toggle{display:block}
  .nav__links{
    position:absolute;top:68px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;
    background:var(--paper);border-bottom:1px solid var(--line);
    max-height:0;overflow:hidden;transition:max-height .28s ease}
  .nav__links.open{max-height:340px}
  .nav__links a{padding:15px 22px;border-top:1px solid var(--line)}
  .nav__links a[aria-current="page"]::after{display:none}
  .nav .nav__cta .btn--cta{display:none}     /* 移动端开户按钮进入下拉菜单 */
  .nav__links .menu-cta{display:block;color:var(--brand);font-weight:800}
}
.menu-cta{display:none}

/* ---------- 通用卡片栅格 ---------- */
.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:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#cfe0d9}
.card h3{margin-bottom:8px}
.card p{color:var(--muted);font-size:.98rem}
.card .ic{width:44px;height:44px;border-radius:12px;background:var(--accent-soft);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;color:var(--brand)}
.card .ic svg{width:24px;height:24px}

/* ---------- Hero ---------- */
.hero{background:linear-gradient(180deg,#fff 0%,var(--surface) 100%);overflow:hidden}
.hero__in{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;
  padding:70px 0 80px}
.hero h1{font-size:clamp(2.1rem,4.7vw,3.5rem);letter-spacing:-.01em}
.hero h1 .hl{color:var(--brand)}
.hero p.lead{margin-top:20px}
.hero__actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.hero__trust{margin-top:26px;display:flex;gap:26px;flex-wrap:wrap;color:var(--muted);font-size:.9rem}
.hero__trust b{color:var(--ink)}

/* 签名元素：费用账本 */
.ledger{background:var(--ink);color:#eaf5f1;border-radius:22px;padding:30px;
  box-shadow:0 30px 60px -30px rgba(6,46,42,.6)}
.ledger__h{display:flex;align-items:center;justify-content:space-between;
  border-bottom:1px solid rgba(255,255,255,.12);padding-bottom:16px;margin-bottom:6px}
.ledger__h span{font-size:.82rem;letter-spacing:.12em;text-transform:uppercase;color:#9fd9c8}
.ledger__row{display:flex;align-items:baseline;justify-content:space-between;
  padding:16px 0;border-bottom:1px solid rgba(255,255,255,.08)}
.ledger__row:last-child{border-bottom:0}
.ledger__row .k{color:#bfe6da;font-size:.98rem}
.ledger__row .v{font-weight:800;font-size:1.5rem;color:#fff}
.ledger__row .v em{font-style:normal;color:var(--accent);font-size:.95rem;font-weight:700;margin-left:4px}
.ledger__note{margin-top:14px;font-size:.78rem;color:#88b8ab;line-height:1.6}

/* ---------- 深色区块 ---------- */
.dark{background:var(--ink);color:#dceee8}
.dark h2{color:#fff}
.dark .lead{color:#a9cdc2}
.dark .card{background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.1)}
.dark .card h3{color:#fff}
.dark .card p{color:#a9cdc2}
.dark .card .ic{background:rgba(20,201,139,.16);color:var(--accent)}

/* ---------- 浅块区 ---------- */
.soft{background:var(--surface)}

/* 区块标题 */
.head{max-width:680px;margin-bottom:40px}
.head--center{margin-left:auto;margin-right:auto;text-align:center}

/* 数据条 / 特性行 */
.feature-row{display:grid;grid-template-columns:repeat(3,1fr);gap:0;
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--paper)}
.feature-row > div{padding:30px 26px;border-right:1px solid var(--line)}
.feature-row > div:last-child{border-right:0}
.feature-row .num{font-size:2rem;font-weight:800;color:var(--brand);letter-spacing:-.02em}
.feature-row .lbl{color:var(--muted);font-size:.95rem;margin-top:4px}

/* 步骤 */
.steps{counter-reset:s;display:grid;gap:20px}
.step{display:flex;gap:18px;align-items:flex-start}
.step::before{counter-increment:s;content:counter(s);flex:0 0 auto;
  width:38px;height:38px;border-radius:50%;background:var(--accent-soft);color:var(--brand);
  font-weight:800;display:flex;align-items:center;justify-content:center}
.step h3{margin-bottom:4px}
.step p{color:var(--muted);font-size:.98rem}

/* 平台清单 */
.tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}
.tag{background:var(--accent-soft);color:var(--brand);font-weight:700;font-size:.9rem;
  padding:7px 14px;border-radius:999px}

/* 列表勾选 */
.ticks{list-style:none;padding:0;margin:14px 0 0;display:grid;gap:11px}
.ticks li{position:relative;padding-left:30px;color:var(--text)}
.ticks li::before{content:"";position:absolute;left:0;top:.55em;width:16px;height:16px;
  border-radius:50%;background:var(--accent);
  -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/12px 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/12px no-repeat;
  background:var(--accent)}

/* 价格/账户表 */
.acct{display:grid;gap:22px}
.acct .card{display:flex;flex-direction:column}
.acct .price{font-size:1.7rem;font-weight:800;color:var(--ink);margin:6px 0 2px}
.acct .price small{font-size:.9rem;color:var(--muted);font-weight:600}
.acct .badge{align-self:flex-start;background:var(--ink);color:#fff;font-size:.76rem;font-weight:700;
  padding:5px 12px;border-radius:999px;margin-bottom:12px;letter-spacing:.04em}

/* 内页 hero（无 CTA） */
.phead{background:linear-gradient(180deg,var(--ink),var(--brand-deep));color:#eaf5f1;
  padding:64px 0 58px}
.phead h1{color:#fff;font-size:clamp(1.9rem,4vw,2.8rem)}
.phead p{color:#a9cdc2;max-width:64ch;margin-top:14px;font-size:1.05rem}
.crumb{color:#7fb6a8;font-size:.86rem;margin-bottom:14px}
.crumb a{color:#9fd9c8}

/* CTA 区块（仅首页用） */
.cta-band{background:linear-gradient(120deg,var(--brand-deep),var(--ink));color:#fff;
  border-radius:24px;padding:54px 44px;text-align:center}
.cta-band h2{color:#fff}
.cta-band p{color:#a9cdc2;max-width:54ch;margin:14px auto 0}
.cta-band .btn{margin-top:26px}

/* 富文本内页正文 */
.prose{max-width:760px}
.prose h2{margin:42px 0 14px}
.prose h3{margin:28px 0 8px}
.prose p{color:var(--text);margin-bottom:14px}
.prose p.muted{color:var(--muted)}

/* ---------- 页脚 ---------- */
.foot{background:var(--ink);color:#bcd6ce;padding:58px 0 30px;margin-top:0}
.foot__cols{display:grid;grid-template-columns:1.6fr 1fr 1.1fr;gap:40px}
.foot__brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:1.1rem;margin-bottom:14px}
.foot__brand svg{width:28px;height:28px;border-radius:8px}
.foot p{color:#9fbcb3;font-size:.95rem;line-height:1.8}
.foot h4{color:#fff;font-size:.95rem;margin:0 0 16px;letter-spacing:.02em}
.foot ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.foot ul li{color:#9fbcb3;font-size:.95rem}
.foot__contact li{display:flex;gap:10px;align-items:flex-start}
.foot__contact svg{width:18px;height:18px;flex:0 0 auto;margin-top:3px;color:var(--accent)}
.foot__bar{border-top:1px solid rgba(255,255,255,.1);margin-top:42px;padding-top:24px;
  font-size:.84rem;color:#7fa093;line-height:1.8}
.foot__bar strong{color:#bcd6ce}

/* ---------- 滚动渐入（仅 JS 启用时；无 JS 默认可见） ---------- */
.js .reveal{opacity:0;transform:translateY(16px)}
.js .reveal.in{opacity:1;transform:none;transition:opacity .6s ease,transform .6s ease}
@media(prefers-reduced-motion:reduce){
  .js .reveal{opacity:1;transform:none;transition:none}
  *{scroll-behavior:auto}
}

/* ---------- 响应式 ---------- */
@media(max-width:980px){
  .hero__in{grid-template-columns:1fr;gap:36px;padding:54px 0 60px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .foot__cols{grid-template-columns:1fr 1fr}
  .foot__contact{grid-column:1/-1}
}
@media(max-width:680px){
  .section{padding:54px 0}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .feature-row{grid-template-columns:1fr}
  .feature-row > div{border-right:0;border-bottom:1px solid var(--line)}
  .feature-row > div:last-child{border-bottom:0}
  .foot__cols{grid-template-columns:1fr}
  .cta-band{padding:40px 24px}
  .brand small{display:none}
}