/* ============================================================
 * 普惠融资 AI 助手 — 官网通用样式
 * 风格：科技深色 · 企业级 · 参考 wbvis.com
 * ============================================================ */

/* ── 群星金融品牌字体 ── */
@font-face {
  font-family: 'iqunxing-logo';
  src: url('/fonts/icomoon.eot');
  src: url('/fonts/icomoon.eot?#iefix') format('embedded-opentype'),
       url('/fonts/icomoon.woff') format('woff'),
       url('/fonts/icomoon.ttf') format('truetype'),
       url('/fonts/icomoon.svg#icomoon') format('svg');
  font-weight: normal;
  font-style: normal;
}
.logo-icon-glyph{font-family:'iqunxing-logo'!important;speak:none;font-style:normal;font-weight:400;font-variant:normal;text-transform:none;line-height:1;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;display:inline-block}

/* ── Design Tokens ── */
:root {
  --bg-primary: #0a0a14;
  --bg-secondary: #0f0f1e;
  --bg-card: #14142a;
  --bg-card-hover: #1c1c3a;
  --bg-elevated: rgba(255,255,255,.04);

  --text-primary: #f0f0f5;
  --text-secondary: rgba(255,255,255,.6);
  --text-tertiary: rgba(255,255,255,.35);
  --text-inverse: #0a0a14;

  --accent-1: #f5af19;    /* 金色 */
  --accent-2: #f12711;    /* 红色 */
  --accent-3: #4a8cff;    /* 蓝色 */
  --accent-4: #00d4aa;    /* 青绿 */
  --accent-5: #9b59b6;    /* 紫色 */

  --gradient-primary: linear-gradient(135deg, #f5af19, #f12711);
  --gradient-accent: linear-gradient(135deg, #4a8cff, #00d4aa);
  --gradient-dark: linear-gradient(135deg, #14142a, #0a0a14);

  --border: rgba(255,255,255,.08);
  --border-light: rgba(255,255,255,.04);
  --shadow: 0 4px 24px rgba(0,0,0,.3);
  --shadow-glow: 0 0 30px rgba(245,175,25,.08);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
}

/* ── Global Reset ── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Helvetica Neue",sans-serif;
  background:var(--bg-primary);
  color:var(--text-primary);
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;height:auto}
a{color:var(--accent-3);text-decoration:none;transition:.25s}
a:hover{color:var(--accent-1)}

/* ── Container ── */
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* ── Navbar ── */
.navbar{
  position:fixed;top:0;left:0;width:100%;z-index:1000;
  padding:0 48px;height:64px;
  display:flex;justify-content:space-between;align-items:center;
  background:rgba(10,10,20,.88);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border);
  transition:.3s;
}
.navbar.scrolled{background:rgba(10,10,20,.96);box-shadow:0 2px 20px rgba(0,0,0,.5)}
.navbar .logo{
  font-size:18px;font-weight:700;
  background:var(--gradient-primary);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
  cursor:pointer;display:flex;align-items:center;gap:10px;
}
.navbar .logo .logo-icon{font-size:22px;-webkit-text-fill-color:initial}
.nav{display:flex;align-items:center;gap:8px;list-style:none}
.nav > li{position:relative}

/* ── Dropdown ── */
.nav-dropdown-trigger{
  display:flex;align-items:center;gap:6px;
  padding:8px 16px;border-radius:8px;
  color:var(--text-secondary);font-size:14px;
  cursor:pointer;transition:.2s;background:none;border:none;font-family:inherit;
}
.nav-dropdown-trigger:hover{color:var(--accent-1);background:var(--bg-elevated)}
.nav-dropdown-trigger .arrow{
  display:inline-block;width:5px;height:5px;
  border-right:2px solid currentColor;border-bottom:2px solid currentColor;
  transform:rotate(45deg);transition:.3s;margin-top:-2px;
}
.nav-dropdown:hover .nav-dropdown-trigger .arrow{transform:rotate(-135deg);margin-top:3px}
.nav-dropdown-menu{
  position:absolute;top:calc(100% + 8px);left:50%;transform:translateX(-50%) translateY(6px);
  min-width:180px;
  background:rgba(18,18,36,.96);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  border:1px solid var(--border);border-radius:14px;padding:6px;
  opacity:0;visibility:hidden;transition:.25s;pointer-events:none;
  box-shadow:0 16px 48px rgba(0,0,0,.5);
}
.nav-dropdown:hover .nav-dropdown-menu{
  opacity:1;visibility:visible;transform:translateX(-50%) translateY(0);pointer-events:auto;
}
.nav-dropdown-menu a{
  display:flex;align-items:center;gap:10px;
  padding:10px 16px;border-radius:8px;
  color:var(--text-secondary);font-size:14px;white-space:nowrap;transition:.15s;
}
.nav-dropdown-menu a:hover{background:rgba(245,175,25,.08);color:var(--accent-1)}
.nav-dropdown-menu a .ico{font-size:16px}

.nav-link{
  padding:8px 16px;border-radius:8px;
  color:var(--text-secondary);font-size:14px;transition:.2s;cursor:pointer;text-decoration:none;
}
.nav-link:hover{color:var(--accent-1);background:var(--bg-elevated)}

.nav-cta{
  padding:8px 20px;border-radius:8px;
  background:var(--gradient-primary);color:#fff;font-size:13px;font-weight:600;
  transition:.3s;cursor:pointer;border:none;font-family:inherit;
}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 4px 20px rgba(245,175,25,.3)}

/* ── Page Hero ── */
.page-hero{
  padding:120px 24px 60px;position:relative;overflow:hidden;
  background:var(--bg-secondary);
  text-align:center;
}
.page-hero::before{
  content:'';position:absolute;top:-50%;left:-50%;width:200%;height:200%;
  background:radial-gradient(ellipse at 30% 50%,rgba(74,140,255,.06) 0%,transparent 50%),
             radial-gradient(ellipse at 70% 50%,rgba(245,175,25,.04) 0%,transparent 50%);
  pointer-events:none;
}
.page-hero h1{font-size:clamp(28px,3.5vw,44px);font-weight:700;margin-bottom:12px;position:relative}
.page-hero p{font-size:16px;color:var(--text-secondary);max-width:600px;margin:0 auto;position:relative}

/* ── Section ── */
.section{padding:80px 0;position:relative}
.section-title{
  text-align:center;margin-bottom:48px;
}
.section-title .tag{
  display:inline-block;font-size:11px;font-weight:600;letter-spacing:2px;text-transform:uppercase;
  background:rgba(245,175,25,.1);color:var(--accent-1);padding:4px 14px;border-radius:20px;margin-bottom:10px;
}
.section-title h2{font-size:clamp(24px,3vw,36px);font-weight:700;margin-bottom:8px}
.section-title p{color:var(--text-secondary);max-width:480px;margin:0 auto;font-size:15px}

/* ── Buttons ── */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 28px;border-radius:10px;
  font-size:14px;font-weight:600;cursor:pointer;transition:.3s;
  border:none;font-family:inherit;text-decoration:none;
}
.btn-primary{
  background:var(--gradient-primary);color:#fff;
}
.btn-primary:hover{color:var(--accent-1);transform:translateY(-2px);box-shadow:0 6px 24px rgba(245,175,25,.3)}
.btn-outline{
  background:transparent;border:1px solid var(--border);color:var(--text-primary);
}
.btn-outline:hover{border-color:var(--accent-1);color:var(--accent-1);transform:translateY(-2px)}
.btn-accent{
  background:var(--gradient-accent);color:#fff;
}
.btn-accent:hover{color:var(--accent-1);transform:translateY(-2px);box-shadow:0 6px 24px rgba(74,140,255,.3)}

/* ── Cards ── */
.card{
  background:var(--bg-card);border-radius:var(--radius);
  border:1px solid var(--border);padding:32px;
  transition:.3s;position:relative;overflow:hidden;
}
.card:hover{border-color:rgba(245,175,25,.2);transform:translateY(-4px);box-shadow:var(--shadow-glow)}
.card .icon{font-size:40px;margin-bottom:16px}
.card h3{font-size:18px;font-weight:600;margin-bottom:8px}
.card p{color:var(--text-secondary);font-size:14px;line-height:1.7}

/* ── Tag ── */
.tag{
  display:inline-block;font-size:11px;font-weight:600;letter-spacing:1px;
  padding:4px 12px;border-radius:20px;margin-bottom:10px;
}
.tag-gold{background:rgba(245,175,25,.12);color:var(--accent-1)}
.tag-blue{background:rgba(74,140,255,.12);color:var(--accent-3)}
.tag-green{background:rgba(0,212,170,.12);color:var(--accent-4)}
.tag-purple{background:rgba(155,89,182,.12);color:var(--accent-5)}
.tag-red{background:rgba(241,39,17,.12);color:var(--accent-2)}

/* ── Breadcrumb ── */
.breadcrumb{
  padding:80px 24px 0;font-size:13px;color:var(--text-tertiary);
  max-width:1200px;margin:0 auto;
}
.breadcrumb a{color:var(--text-tertiary);text-decoration:none}
.breadcrumb a:hover{color:var(--accent-1)}
.breadcrumb .sep{margin:0 8px;color:var(--text-tertiary)}
.breadcrumb .current{color:var(--text-secondary)}

/* ── Page Content ── */
.page-content{padding:60px 0}

/* ── Footer ── */
.footer{
  border-top:1px solid var(--border);padding:60px 24px 40px;
  background:var(--bg-secondary);
}
.footer-grid{
  max-width:1200px;margin:0 auto;
  display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;
}
.footer-brand .logo{font-size:18px;font-weight:700;background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.footer-brand p{color:var(--text-tertiary);font-size:13px;margin-top:12px;line-height:1.8}
.footer-col h4{font-size:13px;font-weight:600;margin-bottom:16px;color:var(--text-primary)}
.footer-col a{display:block;color:var(--text-tertiary);font-size:13px;padding:4px 0;text-decoration:none}
.footer-col a:hover{color:var(--accent-1)}
.footer-bottom{
  max-width:1200px;margin:40px auto 0;padding-top:24px;
  border-top:1px solid var(--border-light);
  text-align:center;color:var(--text-tertiary);font-size:12px;
}

/* ── Utility ── */
.text-gradient{background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.text-gradient-blue{background:var(--gradient-accent);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.text-center{text-align:center}
.mt-16{margin-top:16px}
.mt-24{margin-top:24px}
.mt-32{margin-top:32px}
.mt-48{margin-top:48px}
.gap-16{gap:16px}
.gap-24{gap:24px}

/* ── Grid ── */
.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:24px}

/* ── Animations ── */
.fade-in{opacity:0;transform:translateY(20px);transition:.6s ease-out}
.fade-in.visible{opacity:1;transform:translateY(0)}
.fade-in-d1{transition-delay:.1s}
.fade-in-d2{transition-delay:.2s}
.fade-in-d3{transition-delay:.3s}
.fade-in-d4{transition-delay:.4s}

/* ── Responsive ── */
@media(max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr}
  .grid-4{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .navbar{padding:0 20px}
  .nav{gap:4px}
  .nav-link,.nav-dropdown-trigger{font-size:12px;padding:6px 10px}
  .nav-cta{padding:6px 14px;font-size:12px}
  .section{padding:48px 0}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .grid-4{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .nav-dropdown-menu{left:0;transform:translateX(0) translateY(6px)}
  .nav-dropdown:hover .nav-dropdown-menu{transform:translateX(0) translateY(0)}
  /* Mobile dropdown toggle via JS */
  .nav-dropdown.open .nav-dropdown-menu{opacity:1;visibility:visible;transform:translateX(0) translateY(0);pointer-events:auto}
  .page-hero{padding:100px 20px 40px}
}

@media(max-width:480px){
  .nav .nav-link:not(.nav-cta){display:none}
}