:root {
  --primary: #FF6B35;
  --primary-dark: #E8551F;
  --primary-soft: #FFF0E8;
  --ink: #1A1D24;
  --ink-soft: #4B5563;
  --muted: #8A94A6;
  --bg: #FFFFFF;
  --bg-soft: #F8F9FB;
  --border: #ECEFF3;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 10px 30px rgba(26, 29, 36, 0.06);
  --shadow-lg: 0 20px 50px rgba(26, 29, 36, 0.10);
  --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; scroll-padding-top: 84px; }

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

.container { width: min(1440px, 94%); margin: 0 auto; }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; font-weight: 600; font-size: 15px;
  padding: 12px 24px; border-radius: 999px;
  cursor: pointer; border: none; transition: all .25s ease;
  white-space: nowrap;
}
.btn-lg { padding: 15px 30px; font-size: 16px; }
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff; box-shadow: 0 8px 20px rgba(255, 107, 53, .35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(255, 107, 53, .45); }
.btn-ghost { background: #fff; color: var(--ink); border: 1.5px solid var(--border); }
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); }

/* ===== 导航 ===== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(255, 255, 255, .86);
  backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s ease, box-shadow .3s ease;
}
.nav.scrolled { border-bottom-color: var(--border); box-shadow: 0 4px 20px rgba(26,29,36,.05); }
.nav-inner {
  width: min(1440px, 94%); margin: 0 auto;
  height: 72px; display: flex; align-items: center; justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 12px; font-weight: 700; }
.brand-logo {
  width: 42px; height: 42px; border-radius: 10px;
  object-fit: cover; display: block;
}
.brand-text {
  font-family: "Smiley Sans Oblique", var(--font);
  font-size: 24px; font-weight: 400; letter-spacing: 1px;
  color: var(--ink);
}
.nav-links { display: flex; gap: 10px; align-items: center; }
.nav-right { display: flex; align-items: center; gap: 28px; }
.nav-link {
  font-size: 18px; font-weight: 600; color: var(--ink-soft);
  position: relative; padding: 6px 0; transition: color .2s;
}
.nav-link:hover { color: var(--primary); }
.nav-link.active { color: var(--primary); }
.nav-link.active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px;
  height: 2px; border-radius: 2px; background: var(--primary);
}
.nav-cta { padding: 10px 20px; font-size: 14px; }
.nav-toggle {
  display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 6px;
}
.nav-toggle span { width: 24px; height: 2px; background: var(--ink); border-radius: 2px; transition: all .3s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== Hero ===== */
.hero { position: relative; padding: 160px 0 100px; overflow: hidden; }
.hero-bg {
  position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(600px 400px at 85% 10%, rgba(255,107,53,.14), transparent 60%),
    radial-gradient(500px 400px at 10% 30%, rgba(255,107,53,.08), transparent 60%),
    linear-gradient(180deg, #FFF9F5 0%, #FFFFFF 100%);
}
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(rgba(26,29,36,.05) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: linear-gradient(180deg, transparent, #000 30%, #000 70%, transparent);
}
.hero-top {
  display: grid; grid-template-columns: 0.95fr 1.05fr; gap: 56px; align-items: center;
}
.hero-left { text-align: left; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--primary-soft); color: var(--primary-dark);
  font-size: 14px; font-weight: 600; padding: 8px 18px; border-radius: 999px; margin-bottom: 24px;
}
.hero-title { font-size: clamp(36px, 5.2vw, 58px); font-weight: 800; line-height: 1.15; letter-spacing: -0.5px; }
.hero-title .accent {
  background: linear-gradient(135deg, var(--primary), #FF9A62);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-sub { font-size: 18px; color: var(--ink-soft); max-width: 560px; margin: 24px 0 32px; }
.hero-actions { display: flex; gap: 16px; justify-content: flex-start; flex-wrap: wrap; }
.hero-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 32px; box-shadow: var(--shadow); margin-top: 56px;
}
.stat { text-align: center; }
.stat-num { font-size: 36px; font-weight: 800; color: var(--primary); line-height: 1; }
.stat-suffix { font-size: 22px; font-weight: 700; margin-left: 1px; }
.stat-label { margin-top: 8px; font-size: 14px; color: var(--muted); }

/* ===== 收益看板 ===== */
.hero-right { display: flex; justify-content: flex-end; }
.dash-card {
  width: 100%; max-width: 660px; background: #fff;
  border: 1px solid var(--border); border-radius: 20px;
  padding: 32px; box-shadow: var(--shadow-lg);
  position: relative;
}
.dash-card::before {
  content: ""; position: absolute; inset: 0; border-radius: 20px; pointer-events: none;
  background: radial-gradient(320px 160px at 90% 0%, rgba(255,107,53,.10), transparent 70%);
}
.dash-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 6px; }
.dash-title { font-size: 15px; color: var(--ink-soft); font-weight: 600; }
.dash-badge {
  font-size: 13px; font-weight: 700; color: #DC2626; background: #FEF2F2;
  padding: 4px 12px; border-radius: 999px;
}
.dash-amount { font-size: 40px; font-weight: 800; letter-spacing: -0.5px; color: var(--ink); }
.dash-currency { font-size: 22px; color: var(--ink-soft); margin-right: 2px; }
.dash-chart { width: 100%; height: 130px; display: block; margin: 10px 0 18px; }
.dash-platforms { display: grid; gap: 12px; }
.dash-row { display: grid; grid-template-columns: 80px 1fr 90px; align-items: center; gap: 14px; font-size: 13.5px; }
.dash-name { color: var(--ink-soft); font-weight: 500; }
.dash-bar { height: 8px; background: var(--bg-soft); border-radius: 999px; overflow: hidden; }
.dash-bar i { display: block; height: 100%; border-radius: 999px; background: linear-gradient(90deg, var(--primary), #FF9A62); }
.dash-val { text-align: right; font-weight: 700; color: var(--ink); }
.dash-demo-note { font-size: 11px; color: var(--muted); text-align: center; margin-top: 16px; }

/* ===== 平台条 ===== */
.platforms-inline { margin-top: 48px; }
.platforms-label { text-align: center; font-size: 22px; font-weight: 700; color: var(--ink); margin-bottom: 28px; }
.platforms-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; max-width: 1000px; margin: 0 auto; }
.platform-card {
  display: flex; align-items: center; gap: 14px;
  background: #fff; border: 1px solid var(--border); border-radius: 14px;
  padding: 16px 18px; box-shadow: var(--shadow);
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.platform-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--c, var(--border)); }
.platform-mark {
  width: 48px; height: 48px; border-radius: 12px;
  background: #fff; border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.platform-mark img { width: 30px; height: 30px; display: block; }
.platform-info strong { display: block; font-size: 16px; font-weight: 700; color: var(--ink); line-height: 1.3; }
.platform-info span { font-size: 13px; color: var(--muted); }

/* ===== 通用 section ===== */
.section { padding: 90px 0; }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 56px; }
.section-tag {
  display: inline-block; font-size: 22px; font-weight: 700; letter-spacing: 1px;
  color: var(--primary); background: var(--primary-soft); padding: 10px 28px; border-radius: 999px; margin-bottom: 18px;
}
.section-title { font-size: clamp(30px, 4vw, 40px); font-weight: 800; line-height: 1.3; margin-bottom: 16px; }
.section-desc { font-size: 17px; color: var(--ink-soft); }

/* ===== 关于我们 ===== */
.about { background: var(--bg-soft); }
.about-grid { display: grid; grid-template-columns: 1fr; gap: 48px; }
.about-text { max-width: 780px; margin: 0 auto; text-align: center; }
.about-text p { color: var(--ink); font-size: 17px; font-weight: 500; line-height: 1.85; margin-bottom: 16px; }
.about-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.value-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px 24px; box-shadow: var(--shadow); transition: transform .25s, box-shadow .25s;
}
.value-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.value-icon { width: 40px; height: 40px; color: var(--primary); margin-bottom: 16px; display: inline-flex; align-items: center; justify-content: center; }
.value-icon svg { width: 100%; height: 100%; }
.value-card h3 { font-size: 18px; margin-bottom: 6px; }
.value-card p { color: var(--ink-soft); font-size: 14.5px; line-height: 1.7; }

/* ===== 服务 ===== */
.services-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 72px; }
.service-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 30px 24px; box-shadow: var(--shadow); transition: transform .25s, box-shadow .25s, border-color .25s;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(255,107,53,.4); }
.service-icon { width: 40px; height: 40px; color: var(--primary); margin-bottom: 20px; display: inline-flex; align-items: center; justify-content: center; }
.service-icon svg { width: 100%; height: 100%; }
.service-card h3 { font-size: 19px; margin-bottom: 10px; }
.service-card p { font-size: 14.5px; color: var(--ink-soft); margin-bottom: 16px; }
.service-list { display: grid; gap: 6px; }
.service-list li { font-size: 14px; color: var(--ink-soft); padding-left: 18px; position: relative; }
.service-list li::before {
  content: ""; position: absolute; left: 0; top: 10px; width: 6px; height: 6px;
  border-radius: 50%; background: var(--primary);
}

/* 流程 */
.flow { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 40px; box-shadow: var(--shadow); }
.flow-title { text-align: center; font-size: 22px; margin-bottom: 32px; }
.flow-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.step { text-align: center; position: relative; }
.step-num {
  width: 48px; height: 48px; border-radius: 50%; margin: 0 auto 12px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff; font-size: 20px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.step-text strong { display: block; font-size: 16px; margin-bottom: 4px; }
.step-text span { font-size: 13.5px; color: var(--muted); }

/* ===== 联系我们 ===== */
.contact { background: var(--bg-soft); }
.contact-grid { display: flex; justify-content: center; }

/* 大号二维码区 */
.qr-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; max-width: 720px; width: 100%; }
.qr-big-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px; box-shadow: var(--shadow); text-align: center;
  transition: transform .25s, box-shadow .25s;
}
.qr-big-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.qr-big-head { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; text-align: left; }
.qr-big-icon { font-size: 30px; flex-shrink: 0; }
.qr-big-head h4 { font-size: 17px; margin-bottom: 2px; }
.qr-big-head p { font-size: 14.5px; color: var(--ink-soft); }
.qr-big-img {
  width: 180px; height: 180px; margin: 0 auto 14px;
  border-radius: 12px; border: 1px solid var(--border); display: block;
  background: #fff;
}
.qr-big-hint { display: block; font-size: 13px; color: var(--muted); }

/* ===== 页脚 ===== */
.footer { background: #16181D; color: #A7ADB8; padding: 60px 0 0; }
.footer-inner { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.3fr; gap: 40px; padding-bottom: 40px; }
.footer-brand .brand-text { color: #fff; }
.footer-brand p { margin-top: 12px; font-size: 14px; color: #A7ADB8; }
.footer-col h4 { color: #fff; font-size: 16px; margin-bottom: 16px; }
.footer-col a, .footer-col span { display: block; font-size: 14px; color: #A7ADB8; margin-bottom: 10px; transition: color .2s; }
.footer-col a:hover { color: var(--primary); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 20px 0; text-align: center; font-size: 13.5px; color: #6B7280; }
.footer-bottom p + p { margin-top: 8px; }
.footer-bottom a { color: #6B7280; transition: color .2s; }
.footer-bottom a:hover { color: var(--primary); }

/* ===== 滚动动画 ===== */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .about-cards { grid-template-columns: repeat(3, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .hero-top { grid-template-columns: 1fr; gap: 40px; }
  .hero-right { justify-content: flex-start; }
  .dash-card { max-width: 100%; }
  .platforms-row { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .nav-cta { display: none; }
  .nav-right { display: contents; }
  .nav-links {
    position: fixed; top: 72px; right: 0; left: auto;
    width: min(320px, 82vw); height: calc(100vh - 72px);
    background: #fff; flex-direction: column; gap: 0;
    padding: 16px 0; box-shadow: -12px 12px 30px rgba(0,0,0,.08);
    transform: translateX(100%); transition: transform .3s ease; z-index: 99;
    border-left: 1px solid var(--border);
  }
  .nav-links.open { transform: none; }
  .nav-link { padding: 14px 56px 14px 24px; font-size: 16px; font-weight: 400; text-align: right; border: none; border-radius: 0; background: none; }
  .nav-link.active { background: none; color: var(--primary); }
  .nav-link.active::after { display: none; }
  .nav-toggle { display: flex; }
  .hero { padding: 130px 0 70px; }
  .platforms-row { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .platform-card { padding: 14px 14px; gap: 12px; }
  .platform-mark { width: 42px; height: 42px; }
  .platform-mark img { width: 26px; height: 26px; }
  .hero-left { text-align: center; }
  .hero-sub { margin: 24px auto 32px; }
  .hero-actions { justify-content: center; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); padding: 24px; gap: 24px; }
  .stat-num { font-size: 30px; }
  .flow-steps { grid-template-columns: 1fr; gap: 24px; }
  .about-text { grid-template-columns: 1fr; gap: 20px; }
  .about-cards { grid-template-columns: 1fr; }
  .qr-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 28px; }
}