/* =========================================================
   天才交易员 · 官方网站  样式表
   轻量、无依赖、移动端优先，纯静态，便于百度/搜索引擎抓取
   ========================================================= */

:root{
  --bg:#ffffff;
  --bg2:#f5f7fa;
  --bg3:#eef2f7;
  --card:#ffffff;
  --line:#e4e9f0;
  --line2:#d7dee8;
  --txt:#12161c;
  --txt2:#3a4553;
  --sub:#5d6b7e;
  --dim:#8b97a8;

  --gold:#d99b00;
  --gold-hi:#f0b90b;
  --gold-lo:#b57f00;
  --gold-bg:#fff8e6;
  --gold-line:#ffe6a8;

  --dark:#0b0e13;
  --dark2:#121822;

  --up:#0f9d63;
  --down:#d93b4f;
  --blue:#2563eb;

  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;

  --sh-1:0 1px 2px rgba(18,22,28,.05), 0 4px 16px rgba(18,22,28,.05);
  --sh-2:0 10px 40px rgba(18,22,28,.10);

  --max:1120px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}

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

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

/* ---------- 开发中状态条 ---------- */
.dev-band{
  background:linear-gradient(90deg,#fff8e6,#fffdf7 42%,#fff8e6);
  border-bottom:1px solid var(--gold-line);
}
.dev-band .wrap{
  display:flex;align-items:center;gap:11px;flex-wrap:wrap;
  padding-top:12px;padding-bottom:12px;
}
.dev-dot{
  width:8px;height:8px;flex:0 0 8px;border-radius:50%;background:var(--gold-hi);
  box-shadow:0 0 0 4px rgba(240,185,11,.22);animation:devpulse 1.9s ease-in-out infinite;
}
@keyframes devpulse{0%,100%{opacity:1}50%{opacity:.4}}
.dev-band b{font-size:15px;font-weight:800;color:#6b4e00;letter-spacing:.2px}
.dev-band .dev-sub{font-size:13.5px;color:#8a7440}
@media(max-width:560px){
  .dev-band .dev-sub{display:block;flex-basis:100%;padding-left:19px;margin-top:-2px}
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.88);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;height:64px;gap:14px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:.2px;white-space:nowrap}
.brand img{width:30px;height:30px;border-radius:8px}
.brand .en{font-size:10px;font-weight:700;color:var(--dim);letter-spacing:1.4px;display:block;margin-top:-3px}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  font-size:14.5px;color:var(--txt2);padding:8px 13px;border-radius:var(--r-sm);
  font-weight:500;transition:.16s;white-space:nowrap;
}
.nav-links a:hover{background:var(--bg3);color:var(--txt)}
.nav-links a.active{color:var(--gold-lo);font-weight:700;background:var(--gold-bg)}
.nav-cta{
  margin-left:8px;background:var(--dark);color:#fff !important;
  padding:9px 18px !important;border-radius:var(--r-pill) !important;font-weight:700 !important;
}
.nav-cta:hover{background:#000 !important}
.nav-toggle{display:none;margin-left:auto;width:42px;height:42px;border:1px solid var(--line2);border-radius:10px;background:#fff;cursor:pointer;align-items:center;justify-content:center}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:"";display:block;width:18px;height:2px;background:var(--txt);border-radius:2px;position:relative;
}
.nav-toggle span::before{position:absolute;top:-6px}
.nav-toggle span::after{position:absolute;top:6px}

@media(max-width:900px){
  .nav-links{
    position:fixed;inset:64px 0 auto 0;flex-direction:column;align-items:stretch;gap:2px;
    background:#fff;border-bottom:1px solid var(--line);padding:12px 22px 20px;
    box-shadow:var(--sh-2);display:none;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 10px;font-size:16px}
  .nav-cta{text-align:center;margin-left:0}
  .nav-toggle{display:flex}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 30px;border-radius:var(--r-pill);font-size:16px;font-weight:700;
  cursor:pointer;border:1px solid transparent;transition:.18s;line-height:1;
}
.btn-gold{background:linear-gradient(180deg,var(--gold-hi),var(--gold));color:#1a1405;box-shadow:0 6px 20px rgba(217,155,0,.28)}
.btn-gold:hover{transform:translateY(-1px);box-shadow:0 10px 26px rgba(217,155,0,.36)}
.btn-dark{background:var(--dark);color:#fff}
.btn-dark:hover{background:#000}
.btn-ghost{background:transparent;color:var(--txt);border-color:var(--line2)}
.btn-ghost:hover{background:var(--bg2)}
.btn-sm{padding:10px 20px;font-size:14px}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(900px 420px at 78% -10%, rgba(240,185,11,.22), transparent 60%),
    radial-gradient(700px 400px at 12% 110%, rgba(37,99,235,.18), transparent 60%),
    linear-gradient(160deg,#0b0e13 0%,#141b26 55%,#0b0e13 100%);
  color:#fff;
  padding:76px 0 84px;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  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:52px 52px;
  mask-image:radial-gradient(700px 420px at 50% 30%,#000,transparent 78%);
  -webkit-mask-image:radial-gradient(700px 420px at 50% 30%,#000,transparent 78%);
}
.hero .wrap{position:relative;z-index:2}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(240,185,11,.14);border:1px solid rgba(240,185,11,.34);
  color:#ffd765;font-size:13px;font-weight:700;padding:6px 14px;border-radius:var(--r-pill);
  margin-bottom:22px;
}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--gold-hi);box-shadow:0 0 0 4px rgba(240,185,11,.18)}
.hero h1{
  font-size:clamp(30px,5.2vw,54px);line-height:1.16;font-weight:900;letter-spacing:-.5px;
  max-width:16em;
}
.hero h1 .hl{
  background:linear-gradient(100deg,#ffd765,#f0b90b 55%,#ffca3a);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero p.lead{
  margin-top:20px;font-size:clamp(15px,2vw,18.5px);color:#b9c4d4;max-width:34em;line-height:1.85;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-note{margin-top:22px;font-size:13px;color:#8794a8}

.hero-stats{display:flex;flex-wrap:wrap;gap:34px;margin-top:52px;padding-top:34px;border-top:1px solid rgba(255,255,255,.09)}
.hero-stats .st b{display:block;font-size:26px;font-weight:900;color:#fff;letter-spacing:-.3px}
.hero-stats .st span{font-size:13px;color:#8794a8}

/* 三无承诺条 */
.pledge{
  display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:40px;max-width:820px;
}
.pledge .p{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.11);
  border-radius:var(--r-md);padding:16px 18px;
}
.pledge .p b{display:flex;align-items:center;gap:8px;font-size:15px;color:#fff;font-weight:800}
.pledge .p b .ic{
  width:20px;height:20px;flex:0 0 20px;border-radius:50%;
  background:rgba(46,189,133,.18);border:1px solid rgba(46,189,133,.5);
  display:flex;align-items:center;justify-content:center;
}
.pledge .p b .ic svg{width:11px;height:11px;stroke:#3ddc9a;stroke-width:3;fill:none}
.pledge .p span{display:block;font-size:12.5px;color:#94a1b4;margin-top:6px;line-height:1.6}
@media(max-width:760px){.pledge{grid-template-columns:1fr}}

/* ---------- 通用区块 ---------- */
section{padding:78px 0}
.section-alt{background:var(--bg2)}
.sec-head{text-align:center;max-width:720px;margin:0 auto 46px}
.sec-head .kicker{
  font-size:12.5px;font-weight:800;letter-spacing:2px;color:var(--gold-lo);text-transform:uppercase;
}
.sec-head h2{font-size:clamp(24px,3.6vw,36px);font-weight:900;letter-spacing:-.4px;margin-top:10px;line-height:1.25}
.sec-head p{color:var(--sub);font-size:16px;margin-top:14px}

.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)}
@media(max-width:900px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}

.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px 26px;box-shadow:var(--sh-1);transition:.2s;height:100%;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--line2)}
.card .ico{
  width:46px;height:46px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  background:var(--gold-bg);border:1px solid var(--gold-line);margin-bottom:16px;
}
.card .ico svg{width:22px;height:22px;stroke:var(--gold-lo);stroke-width:1.9;fill:none;stroke-linecap:round;stroke-linejoin:round}
.card h3{font-size:18px;font-weight:800;margin-bottom:9px}
.card p{color:var(--sub);font-size:14.5px;line-height:1.8}

/* ---------- 合规声明块 ---------- */
.notice{
  background:linear-gradient(180deg,#fffdf6,#fff8e6);
  border:1px solid var(--gold-line);border-radius:var(--r-lg);padding:30px 30px;
}
.notice h3{font-size:19px;font-weight:900;color:#7a5800;display:flex;align-items:center;gap:10px;margin-bottom:14px}
.notice h3 .ic{width:26px;height:26px;border-radius:50%;background:#ffe9a8;display:flex;align-items:center;justify-content:center;font-size:15px}
.notice p{color:#6b5a2a;font-size:15px;line-height:1.95}
.notice ul{margin-top:12px;display:grid;gap:9px}
.notice li{position:relative;padding-left:24px;color:#5f5230;font-size:14.5px;line-height:1.8}
.notice li::before{
  content:"";position:absolute;left:0;top:9px;width:13px;height:13px;border-radius:50%;
  background:#ffe9a8;border:1px solid #f0b90b;
}
.notice li::after{
  content:"";position:absolute;left:4px;top:12px;width:5px;height:5px;border-radius:50%;background:#b57f00;
}

/* ---------- 步骤 ---------- */
.steps{counter-reset:s;display:grid;gap:20px}
.step{
  display:flex;gap:20px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:24px 26px;box-shadow:var(--sh-1);
}
.step .n{
  counter-increment:s;flex:0 0 44px;width:44px;height:44px;border-radius:50%;
  background:var(--dark);color:var(--gold-hi);font-weight:900;font-size:18px;
  display:flex;align-items:center;justify-content:center;
}
.step .n::before{content:counter(s,decimal-leading-zero)}
.step h3{font-size:17px;font-weight:800;margin-bottom:6px}
.step p{color:var(--sub);font-size:14.5px}

/* ---------- 数据表 ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-md);background:#fff}
table{width:100%;border-collapse:collapse;font-size:14.5px;min-width:520px}
th,td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line)}
th{background:var(--bg2);font-weight:800;font-size:13.5px;color:var(--txt2);white-space:nowrap}
tr:last-child td{border-bottom:none}
td.no{color:var(--down);font-weight:700}
td.yes{color:var(--up);font-weight:700}

/* ---------- FAQ ---------- */
.faq{max-width:840px;margin:0 auto;display:grid;gap:14px}
.faq details{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:0 22px;box-shadow:var(--sh-1);
}
.faq summary{
  cursor:pointer;font-weight:700;font-size:16px;padding:19px 0;list-style:none;
  display:flex;justify-content:space-between;gap:16px;align-items:center;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";font-size:22px;color:var(--gold);font-weight:400;line-height:1;flex:0 0 auto;transition:.2s;
}
.faq details[open] summary::after{content:"−"}
.faq details[open] summary{color:var(--txt)}
.faq .a{padding:0 0 20px;color:var(--sub);font-size:15px;line-height:1.9;border-top:1px solid var(--line);margin-top:-1px;padding-top:16px}

/* ---------- 页头（内页） ---------- */
.page-head{
  background:linear-gradient(160deg,#0b0e13,#161e2b);color:#fff;padding:60px 0 54px;
  position:relative;overflow:hidden;
}
.page-head::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(600px 300px at 82% 0%, rgba(240,185,11,.20), transparent 62%);
}
.page-head .wrap{position:relative;z-index:2}
.crumb{font-size:13px;color:#8794a8;margin-bottom:14px}
.crumb a:hover{color:#ffd765}
.page-head h1{font-size:clamp(26px,4vw,40px);font-weight:900;letter-spacing:-.4px}
.page-head p{color:#b0bdcd;margin-top:14px;max-width:44em;font-size:16px}

/* ---------- 正文排版 ---------- */
.prose{max-width:820px}
.prose h2{font-size:24px;font-weight:900;margin:38px 0 14px;letter-spacing:-.3px}
.prose h3{font-size:18.5px;font-weight:800;margin:26px 0 10px}
.prose p{color:var(--txt2);margin-bottom:14px;font-size:15.5px;line-height:1.95}
.prose ul{margin:0 0 16px 0;display:grid;gap:8px}
.prose li{position:relative;padding-left:22px;color:var(--txt2);font-size:15px;line-height:1.85}
.prose li::before{content:"";position:absolute;left:4px;top:11px;width:6px;height:6px;border-radius:50%;background:var(--gold)}
.prose strong{color:var(--txt)}

/* 法律条款：有序列表（自动编号，每节重新计数） */
.prose ol{margin:0 0 18px;padding-left:0;display:grid;gap:9px;counter-reset:li}
.prose ol>li{
  position:relative;padding-left:28px;color:var(--txt2);font-size:15px;line-height:1.9;
  counter-increment:li;
}
.prose ol>li::before{
  content:counter(li) ".";position:absolute;left:0;top:0;width:22px;
  color:var(--gold-lo);font-weight:800;font-size:13.5px;line-height:2.05;text-align:left;
}
/* 法律页顶部信息条 */
.legal-meta{
  display:flex;flex-wrap:wrap;gap:8px 26px;font-size:13.5px;color:var(--sub);
  border-bottom:1px solid var(--line);padding-bottom:16px;margin-bottom:8px;
}
.legal-meta b{color:var(--txt);font-weight:700}
.prose h2{border-top:1px solid var(--line);padding-top:28px;margin-top:34px}
.prose h2:first-of-type{border-top:none;padding-top:0;margin-top:20px}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:linear-gradient(150deg,#0b0e13,#1a2333);color:#fff;border-radius:var(--r-lg);
  padding:46px 40px;text-align:center;position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(600px 300px at 50% 120%, rgba(240,185,11,.24), transparent 65%);
}
.cta-band h2{font-size:clamp(22px,3.4vw,32px);font-weight:900;position:relative;z-index:2}
.cta-band p{color:#aebbcd;margin:12px auto 26px;max-width:36em;position:relative;z-index:2}
.cta-band .btn{position:relative;z-index:2}

/* ---------- 联系卡 ---------- */
.contact-list{display:grid;gap:14px;grid-template-columns:repeat(2,1fr)}
@media(max-width:640px){.contact-list{grid-template-columns:1fr}}
.contact-item{
  display:flex;gap:16px;align-items:flex-start;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-md);padding:22px 24px;box-shadow:var(--sh-1);
}
.contact-item .ico{
  width:44px;height:44px;flex:0 0 44px;border-radius:12px;background:var(--gold-bg);
  border:1px solid var(--gold-line);display:flex;align-items:center;justify-content:center;
}
.contact-item .ico svg{width:21px;height:21px;stroke:var(--gold-lo);stroke-width:1.9;fill:none;stroke-linecap:round;stroke-linejoin:round}
.contact-item b{display:block;font-size:15.5px;font-weight:800;margin-bottom:4px}
.contact-item span{color:var(--sub);font-size:14px;word-break:break-all}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#9aa7b8;padding:56px 0 30px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:34px;padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.08)}
@media(max-width:860px){.footer-grid{grid-template-columns:1fr 1fr;gap:26px}}
@media(max-width:520px){.footer-grid{grid-template-columns:1fr}}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;color:#fff;font-size:16px;margin-bottom:14px}
.footer-brand img{width:28px;height:28px;border-radius:8px}
.site-footer h4{color:#fff;font-size:14.5px;font-weight:800;margin-bottom:14px}
.site-footer ul{display:grid;gap:9px}
.site-footer a{color:#9aa7b8;font-size:13.5px;transition:.15s}
.site-footer a:hover{color:var(--gold-hi)}
.site-footer .disclaim{color:#7b8798;font-size:12.5px;line-height:1.9;margin-bottom:16px}
.footer-bottom{padding-top:22px;display:flex;flex-wrap:wrap;gap:10px 20px;align-items:center;justify-content:space-between;color:#6e7b8d;font-size:12.5px}
.footer-bottom .legal-links{display:flex;flex-wrap:wrap;gap:16px}
.age-tip{
  display:inline-flex;align-items:center;gap:6px;
  border:1px solid rgba(240,185,11,.42);background:rgba(240,185,11,.10);
  border-radius:6px;padding:3px 10px;font-size:12px;color:#e6c469;font-weight:500;
}
.age-tip b{color:#ffd765;font-weight:800}

/* ---------- 工具 ---------- */
.center{text-align:center}
.mt-24{margin-top:24px}
.mt-40{margin-top:40px}
.tag-inline{
  display:inline-block;font-size:12.5px;font-weight:700;color:var(--gold-lo);
  background:var(--gold-bg);border:1px solid var(--gold-line);border-radius:var(--r-pill);
  padding:3px 11px;margin:0 6px 6px 0;
}