:root {
  --navy: #0a1f44;
  --navy-2: #10294f;
  --primary: #2563eb;
  --primary-soft: #5b8def;
  --gold: #d8b46a;
  --ink: #0f172a;
  --text: #3b4a63;
  --muted: #7c8aa5;
  --line: #e4eaf4;
  --bg-soft: #f4f8ff;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", sans-serif;
  color: var(--text);
  background: #fff;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  padding-top: 84px;
}
a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 28px; }

/* ── 固定顶栏 ── */
.topbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  background: rgba(255,255,255,.92); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.topbar .wrap { display: flex; align-items: center; justify-content: space-between; height: 84px; }
.brand { display: flex; align-items: center; gap: 12px; font-size: 21px; font-weight: 700; color: var(--ink); letter-spacing: 1px; }
.logo-img { width: 42px; height: 42px; border-radius: 10px; object-fit: cover; }
.nav { display: flex; align-items: center; gap: 36px; font-size: 15.5px; }
.nav a { color: var(--text); padding: 8px 2px; letter-spacing: 1px; position: relative; }
.nav a.active { color: var(--primary); font-weight: 600; }
.nav a:not(.cta)::after {
  content: ""; position: absolute; left: 50%; bottom: 0; width: 0; height: 2px;
  background: var(--primary); transition: all .25s ease; transform: translateX(-50%);
}
.nav a:hover::after, .nav a.active::after { width: 100%; }
.nav a:hover { color: var(--primary); }

/* ── 通栏大屏 Hero ── */
.hero {
  position: relative; min-height: calc(100vh - 84px);
  display: flex; align-items: center;
  background-size: cover; background-position: center;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(115deg, rgba(6,22,54,.92) 0%, rgba(10,31,68,.72) 45%, rgba(10,31,68,.38) 100%);
}
.hero .wrap { position: relative; padding-top: 60px; padding-bottom: 150px; }
.hero .eyebrow {
  display: inline-flex; align-items: center; gap: 14px;
  font-size: 13px; letter-spacing: 6px; color: var(--gold);
  border: 1px solid rgba(216,180,106,.5); padding: 6px 18px; border-radius: 999px; margin-bottom: 28px;
}
.hero h1 {
  font-size: clamp(38px, 5.4vw, 62px); line-height: 1.22; color: #fff;
  font-weight: 700; letter-spacing: 2px; max-width: 820px;
}
.hero h1 span { color: var(--gold); }
.hero p.lead { margin: 26px 0 40px; font-size: clamp(15px, 1.6vw, 18px); color: rgba(255,255,255,.82); max-width: 640px; }
.hero .actions { display: flex; gap: 16px; flex-wrap: wrap; }
.btn { display: inline-block; padding: 15px 40px; border-radius: 999px; font-size: 16px; letter-spacing: 1px; }
.btn-gold { background: var(--gold); color: var(--navy); font-weight: 600; }
.btn-gold:hover { background: #e6c987; }
.btn-ghost { border: 1px solid rgba(255,255,255,.6); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,.12); }

.hero-strip {
  position: absolute; left: 0; right: 0; bottom: 0;
  background: rgba(8,24,58,.72); backdrop-filter: blur(6px);
  border-top: 1px solid rgba(255,255,255,.12);
}
.hero-strip .wrap { display: flex; flex-wrap: wrap; gap: 10px 56px; padding: 22px 28px; justify-content: center; }
.hero-strip .item { display: flex; align-items: center; gap: 10px; color: rgba(255,255,255,.88); font-size: 14.5px; letter-spacing: 1px; }
.hero-strip .item b { color: #fff; }
.hero-strip .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--gold); display: inline-block; }

/* ── 区块通用 ── */
section { padding: 104px 0; }
section.soft { background: var(--bg-soft); }
.eyebrow { font-size: 13px; letter-spacing: 5px; color: var(--primary); font-weight: 600; text-transform: uppercase; }
h2.sec {
  font-size: clamp(28px, 3.4vw, 38px); color: var(--ink);
  margin: 14px 0 16px; letter-spacing: 2px; font-weight: 700;
}
p.sec-lead { color: var(--muted); margin-bottom: 56px; font-size: 15.5px; max-width: 680px; }
.center .eyebrow, .center h2.sec { text-align: center; }
.center p.sec-lead { margin-left: auto; margin-right: auto; text-align: center; }

/* 金色菱形分隔符（替代字体中点，避免乱码） */
.dsep {
  display: inline-block; width: 5px; height: 5px;
  background: var(--gold); transform: rotate(45deg);
  margin: 0 8px; vertical-align: middle;
}

/* 精细线性图标 */

.fico {
  width: 54px; height: 54px; flex: 0 0 54px; border-radius: 14px;
  background: linear-gradient(135deg, #eaf1ff, #f6f9ff);
  color: var(--primary); display: flex; align-items: center; justify-content: center;
}
.fico svg { width: 26px; height: 26px; }

/* ── 核心功能：一行两个 · 左图标右内容 · 无边框 ── */
.feat-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 30px 72px; }
.feat { display: flex; gap: 24px; align-items: flex-start; padding: 10px 0; }
.feat h3 { font-size: 18px; color: var(--ink); margin-bottom: 8px; letter-spacing: 1px; }
.feat p { font-size: 14px; color: var(--muted); }

/* 深色价值带 */
.darkband { background: var(--navy); color: #fff; padding: 88px 0; }
.darkband h2.sec { color: #fff; }
.darkband .eyebrow { color: var(--gold); }
.darkband p.sec-lead { color: rgba(255,255,255,.65); }
.band-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 24px; }
.band-item { border-left: 2px solid var(--gold); padding: 6px 0 6px 22px; }
.band-item h3 { font-size: 18px; color: #fff; margin-bottom: 8px; letter-spacing: 1px; }
.band-item p { font-size: 13.5px; color: rgba(255,255,255,.62); }

/* ── 全出血左右分屏 ── */
.bleed { display: grid; grid-template-columns: 1fr 1fr; align-items: stretch; padding: 0; }
.bleed .bleed-img { min-height: 560px; }
.bleed .bleed-img img, .bleed .bleed-img video { width: 100%; height: 100%; object-fit: cover; display: block; }
.bleed .bleed-copy { padding: 110px clamp(28px, 7vw, 110px); align-self: center; }
.bleed.rev { grid-template-columns: 1fr 1fr; }
.bleed.rev .bleed-img { order: 2; }
.phase {
  display: inline-block; font-size: 13px; letter-spacing: 4px; color: var(--primary);
  font-weight: 600; margin-bottom: 6px;
}
.phase::before {
  content: ""; display: inline-block; width: 22px; height: 2px;
  background: var(--gold); vertical-align: middle; margin-right: 12px;
}
.bleed h3.row { font-size: 19px; color: var(--ink); margin: 30px 0 10px; letter-spacing: 1px; display: flex; align-items: center; gap: 12px; }
.bleed h3.row .fico { width: 40px; height: 40px; flex: 0 0 40px; border-radius: 10px; }
.bleed h3.row .fico svg { width: 19px; height: 19px; }
.bleed p.row { font-size: 14.5px; color: var(--muted); }

/* 步骤 */
.steps { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.steps::before {
  content: ""; position: absolute; top: 25px; left: 12.5%; right: 12.5%;
  height: 2px; background: repeating-linear-gradient(90deg, var(--primary-soft) 0 10px, transparent 10px 18px);
}
.step { position: relative; text-align: center; padding: 0 12px; }
.step .no {
  position: relative; z-index: 1; width: 50px; height: 50px; border-radius: 50%;
  background: #fff; border: 2px solid var(--primary); color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; font-weight: 700; margin: 0 auto 20px;
}
.step h3 { font-size: 17px; color: var(--ink); margin-bottom: 8px; letter-spacing: 1px; }
.step p { font-size: 13.5px; color: var(--muted); }

/* 下载页 */
.dl-hero {
  background: linear-gradient(115deg, var(--navy) 0%, #16305e 60%, #1d3f7a 100%);
  color: #fff; padding: 130px 0 90px;
}
.dl-hero .eyebrow { color: var(--gold); }
.dl-hero h1 { font-size: clamp(32px, 4.6vw, 50px); color: #fff; letter-spacing: 2px; margin: 14px 0 18px; }
.dl-hero p { color: rgba(255,255,255,.72); max-width: 640px; font-size: 16px; }
.dl-grid { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 26px; margin-top: -46px; }
.dl-card {
  background: #fff; border-radius: 18px; padding: 34px 30px;
  box-shadow: 0 20px 50px rgba(10,31,68,.14); border: 1px solid var(--line);
}
.dl-card .tag { display: inline-block; font-size: 12px; letter-spacing: 2px; color: var(--primary); border: 1px solid var(--primary); padding: 3px 12px; border-radius: 999px; margin-bottom: 16px; }
.dl-card h3 { font-size: 19px; color: var(--ink); margin-bottom: 10px; }
.dl-card p { font-size: 14px; color: var(--muted); min-height: 44px; }
.dl-card .btn { margin-top: 18px; padding: 11px 0; width: 100%; text-align: center; background: var(--primary); color: #fff; border-radius: 10px; font-size: 15px; }
.dl-card .btn:hover { background: var(--primary-soft); }
.dl-card.soon .btn { background: var(--line); color: var(--muted); pointer-events: none; }
.dl-note { margin-top: 34px; padding: 18px 22px; background: var(--bg-soft); border-radius: 12px; font-size: 13.5px; color: var(--muted); }

/* 关于页 */
.about-hero {
  background: url("img/building.jpg") center/cover no-repeat;
  position: relative; padding: 170px 0 110px;
}
.about-hero::before { content: ""; position: absolute; inset: 0; background: rgba(8,24,58,.66); }
.about-hero .wrap { position: relative; }
.about-hero h1 { color: #fff; font-size: clamp(32px, 4.4vw, 48px); letter-spacing: 3px; }
.about-hero p { color: rgba(255,255,255,.78); margin-top: 14px; font-size: 16px; }
.about-grid { display: grid; grid-template-columns: 1.15fr 1fr; gap: 56px; align-items: start; padding: 84px 0; }
.about-grid h3 { font-size: 19px; color: var(--ink); margin: 26px 0 10px; letter-spacing: 1px; }
.about-grid p { font-size: 14.5px; color: var(--text); }
.kv { border-top: 1px solid var(--line); padding-top: 18px; }
.kv .row { display: flex; gap: 16px; padding: 10px 0; font-size: 14.5px; border-bottom: 1px dashed var(--line); }
.kv .row span:first-child { color: var(--muted); flex: 0 0 130px; }
.kv .row span:last-child { color: var(--ink); }

/* 关于页图文配图 */
.about-visual {
  height: 100%; min-height: 380px; border-radius: 18px; overflow: hidden;
  box-shadow: 0 24px 60px rgba(10,31,68,.16);
}
.about-visual img { width: 100%; height: 100%; object-fit: cover; }

/* 三步横排（3列）连接线对齐 */
.steps.three { grid-template-columns: repeat(3, 1fr); }
.steps.three::before { left: calc(100% / 6); right: calc(100% / 6); }

/* 下载页卡片头与二维码 */
.dl-card-head { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.pl-ico { width: 44px; height: 44px; border-radius: 12px; display: flex; align-items: center; justify-content: center; }
.pl-ico svg { width: 26px; height: 26px; }
.pl-ico.and { background: #e8f8ec; color: #2eb85c; }
.pl-ico.ios { background: #f1f3f8; color: var(--ink); }
.pl-ico.wx { background: #e8f7ee; color: #07c160; }
.dl-qr-row { display: flex; gap: 16px; align-items: center; margin-top: 18px; }
.dl-qr { flex: 0 0 86px; text-align: center; }
.dl-qr img { width: 86px; height: 86px; border: 1px solid var(--line); border-radius: 8px; background: #fff; padding: 4px; box-sizing: border-box; }
.dl-qr span { display: block; font-size: 11.5px; color: var(--muted); margin-top: 4px; }
.dl-qr-side { display: flex; flex-direction: column; gap: 8px; align-items: flex-start; }
.dl-qr-side .btn { width: auto; padding: 10px 24px; border-radius: 999px; font-size: 14px; }
.dl-qr-side .btn.soon-btn, .dl-card.soon .btn { background: var(--line); color: var(--muted); pointer-events: none; }
.dl-qr-side .note { display: block; font-size: 12px; color: var(--muted); }
.dl-hero {
  position: relative;
  background: url("img/phone.jpg") center/cover no-repeat;
}
.dl-hero::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(115deg, rgba(10,31,68,.9) 0%, rgba(10,31,68,.72) 60%, rgba(10,31,68,.5) 100%);
}
.dl-hero .wrap { position: relative; }
.steps-sec { padding-top: 20px; }

/* ── 产品页：通栏 banner + 矢量插画交错排布 ── */
.page-hero {
  position: relative; overflow: hidden;
  background: url("img/hero-finance.jpg") center/cover no-repeat;
  color: #fff;
}
.page-hero::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(115deg, rgba(10,31,68,.92) 0%, rgba(10,31,68,.78) 55%, rgba(10,31,68,.55) 100%);
}
.page-hero .wrap {
  position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr .95fr;
  gap: 48px; align-items: center; padding-top: 76px; padding-bottom: 76px;
}
.page-hero .eyebrow { color: var(--gold); }
.page-hero h1 { font-size: clamp(30px, 4vw, 46px); color: #fff; letter-spacing: 2px; line-height: 1.3; margin: 14px 0 18px; }
.page-hero p.lead { color: rgba(255,255,255,.75); font-size: 16px; max-width: 520px; }
.page-hero .hero-illus { position: relative; }
.deco-ring { position: absolute; border-radius: 50%; border: 2px solid rgba(216,180,106,.35); }
.deco-ring.r1 { width: 120px; height: 120px; top: -40px; right: -30px; }
.deco-ring.r2 { width: 56px; height: 56px; bottom: -20px; left: 40px; border-color: rgba(37,99,235,.45); }
.deco-dot { position: absolute; width: 10px; height: 10px; border-radius: 50%; background: var(--gold); opacity: .8; }

.feature-block { padding: 92px 0; }
.feature-block.rev { background: var(--bg-soft); }
.feature-block .wrap { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 88px); align-items: center; }
.feature-block.rev .illus { order: 2; }
.feature-block.rev .copy { order: 1; }
.illus { padding: 0; }
.illus svg { width: 100%; height: auto; display: block; }
.copy .feat-tag, .fb-copy .feat-tag {
  display: inline-block; font-size: 12.5px; letter-spacing: 4px; font-weight: 600;
  color: var(--primary); background: rgba(37,99,235,.08);
  padding: 5px 16px; border-radius: 999px; margin-bottom: 18px;
}
.copy h3, .fb-copy h3 { font-size: clamp(21px, 2.2vw, 26px); color: var(--ink); letter-spacing: 1px; margin-bottom: 16px; line-height: 1.45; }
.copy > p, .fb-copy > p { font-size: 15px; line-height: 2.0; color: var(--text); margin-bottom: 18px; }
.chips { display: flex; flex-wrap: wrap; gap: 10px; list-style: none; }
.chips li {
  font-size: 12.5px; color: var(--text); background: #fff;
  border: 1px solid var(--line); border-radius: 999px; padding: 5px 14px;
}
.cta-band { background: var(--navy); color: #fff; padding: 84px 0; text-align: center; }
.cta-band h2 { font-size: clamp(24px, 3vw, 32px); color: #fff; letter-spacing: 2px; margin-bottom: 12px; }
.cta-band p { color: rgba(255,255,255,.65); margin-bottom: 30px; font-size: 15px; }
@media (max-width: 860px) {
  .page-hero .wrap { grid-template-columns: 1fr; gap: 20px; padding-top: 56px; padding-bottom: 56px; }
  .page-hero .hero-illus { max-width: 380px; margin: 0 auto; }
  .feature-block .wrap { grid-template-columns: 1fr; gap: 34px; }
  .feature-block.rev .illus { order: 0; }
  .feature-block.rev .copy { order: 1; }
  .feature-block { padding: 64px 0; }
}

/* 页脚 */
footer { background: var(--navy); color: #8fa2c3; padding: 44px 0 32px; font-size: 13px; }
footer .wrap { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; align-items: flex-start; }
footer .f-brand { color: #fff; font-size: 17px; font-weight: 700; letter-spacing: 1px; margin-bottom: 10px; }
footer .f-links { display: flex; gap: 22px; }
footer a { color: #8fa2c3; }
footer a:hover { color: #fff; }
footer .beian { margin-top: 12px; font-size: 12.5px; }

@media (max-width: 1024px) {
  .feat-grid { grid-template-columns: 1fr; gap: 8px; }
}
@media (max-width: 860px) {
  body { padding-top: 0; }
  .topbar { position: static; }
  .topbar .wrap { height: auto; padding: 14px 20px; flex-wrap: wrap; }
  .nav { gap: 18px; font-size: 14px; flex-wrap: wrap; }
  .hero { min-height: auto; }
  .hero .wrap { padding-top: 80px; padding-bottom: 120px; }
  section { padding: 72px 0; }
  .steps { grid-template-columns: 1fr; gap: 34px; }
  .steps::before { display: none; }
  .bleed { grid-template-columns: 1fr; }
  .bleed.rev .bleed-img { order: 0; }
  .bleed .bleed-img { min-height: 320px; }
  .bleed .bleed-copy { padding: 56px 28px; }
  .about-grid { grid-template-columns: 1fr; gap: 20px; padding: 64px 0; }
  .darkband { padding: 64px 0; }
}