* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --green: #0e9f6e;
  --green-2: #059669;
  --green-soft: #e7f6ef;
  --line: #e2efe8;
  --ink: #10231c;
  --muted: #5f6f68;
}

body {
  background: #fff;
  color: var(--ink);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }
code, pre { font-family: "JetBrains Mono", ui-monospace, Menlo, Consolas, monospace; }

/* ===== 导航 ===== */
.nav {
  position: sticky; top: 0; z-index: 10;
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: 1100px; margin: 0 auto; padding: 14px 24px;
  display: flex; align-items: center; gap: 26px;
}
.brand { display: flex; align-items: center; gap: 9px; font-weight: 700; font-size: 17.5px; }
.brand-mark {
  width: 32px; height: 32px; border-radius: 9px;
  background: linear-gradient(135deg, #0e9f6e, #34d399);
  display: flex; align-items: center; justify-content: center; font-size: 16px;
}
.brand-name em { font-style: normal; color: var(--muted); font-size: 13px; margin-left: 6px; }
.nav-links { display: flex; gap: 22px; margin-left: auto; font-size: 14.5px; color: var(--muted); }
.nav-links a:hover { color: var(--green-2); }
.nav-links a.active { color: var(--green-2); font-weight: 600; }
.nav-cta {
  background: var(--green); color: #fff; font-weight: 600; font-size: 14px;
  padding: 8px 18px; border-radius: 8px;
}
.nav-cta:hover { background: var(--green-2); }

/* ===== Hero ===== */
.hero {
  background: linear-gradient(175deg, #f2fbf7 0%, #ffffff 78%);
  padding: 76px 24px 60px;
}
.hero-inner {
  max-width: 1100px; margin: 0 auto;
  display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center;
}
.hero-inner.single { grid-template-columns: 1fr; text-align: center; max-width: 780px; }
.hero-inner.single .desc { margin-left: auto; margin-right: auto; }
.hero-inner.single .hero-actions { justify-content: center; }
.pill {
  display: inline-block; font-size: 12.5px; color: var(--green-2);
  border: 1px solid #bfe8d6; background: var(--green-soft);
  padding: 6px 14px; border-radius: 999px; margin-bottom: 22px;
}
.hero h1 { font-size: 50px; line-height: 1.18; letter-spacing: 1px; }
.page-hero .hero-inner.single h1 { font-size: 42px; }
.desc { margin: 20px 0 28px; color: var(--muted); font-size: 16px; line-height: 1.85; max-width: 480px; }
.hero-inner.single .desc { max-width: 620px; }
.hero-actions { display: flex; gap: 14px; margin-bottom: 30px; }
.btn { display: inline-block; padding: 12px 28px; border-radius: 10px; font-size: 15px; }
.btn-primary {
  background: var(--green); color: #fff; font-weight: 700;
  box-shadow: 0 8px 24px rgba(14,159,110,.28);
}
.btn-primary:hover { background: var(--green-2); }
.btn-ghost { border: 1px solid var(--line); color: var(--ink); }
.btn-ghost:hover { border-color: var(--green); color: var(--green-2); }
.btn-lg { padding: 14px 36px; font-size: 16px; }
.hero-channels { display: flex; gap: 10px; flex-wrap: wrap; }
.hero-channels span {
  font-size: 13px; color: var(--muted);
  border: 1px solid var(--line); padding: 6px 14px; border-radius: 999px; background: #fff;
}

/* 代码终端卡片 */
.hero-code {
  background: #0f2018; border-radius: 14px; overflow: hidden;
  box-shadow: 0 24px 60px rgba(14,159,110,.18);
}
.term-head {
  display: flex; align-items: center; gap: 7px;
  padding: 11px 14px; border-bottom: 1px solid rgba(255,255,255,.08);
}
.term-head i { width: 11px; height: 11px; border-radius: 50%; background: #2c4a3d; }
.term-head i:nth-child(1) { background: #f87171; }
.term-head i:nth-child(2) { background: #fbbf24; }
.term-head i:nth-child(3) { background: #34d399; }
.term-head span { margin-left: 8px; font-size: 12px; color: #9dbfae; }
.hero-code pre {
  padding: 20px 18px; font-size: 13px; line-height: 1.8;
  color: #a7f3d0; white-space: pre-wrap; word-break: break-all;
}

/* ===== 渠道条 ===== */
.strip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #f6fbf8; }
.strip-inner {
  max-width: 1100px; margin: 0 auto; padding: 15px 24px;
  display: flex; align-items: center; gap: 26px; flex-wrap: wrap;
}
.strip-inner span { color: var(--muted); font-size: 13px; }
.strip-inner b { font-size: 14.5px; color: var(--ink); }

/* ===== 区块通用 ===== */
.features, .dev, .solutions, .caps, .proc { max-width: 1100px; margin: 0 auto; padding: 76px 24px 30px; }
.scenarios { max-width: 1100px; margin: 0 auto; padding: 40px 24px 30px; background: #f6fbf8; border-radius: 20px; }
.features h2, .dev h2, .scenarios h2, .guarantee h2, .faq h2, .solutions h2, .caps h2, .proc h2 { font-size: 30px; text-align: center; }
.sub { text-align: center; color: var(--muted); margin: 12px 0 44px; font-size: 15px; }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: 14px;
  padding: 26px 24px; transition: .2s;
}
.scenarios .card { background: #f6fbf8; }
.card:hover { border-color: var(--green); box-shadow: 0 10px 28px rgba(14,159,110,.12); transform: translateY(-2px); }
.card-icon { font-size: 28px; margin-bottom: 14px; }
.card h3 { font-size: 16px; margin-bottom: 9px; }
.card p { color: var(--muted); font-size: 13.8px; line-height: 1.75; }

/* ===== 支付解决方案页 ===== */
.sol-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.sol-card {
  background: #fff; border: 1px solid var(--line); border-radius: 14px;
  padding: 24px 22px; transition: .2s;
}
.sol-card:hover { border-color: var(--green); box-shadow: 0 10px 28px rgba(14,159,110,.12); }
.sol-head { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.sol-icon { font-size: 24px; }
.sol-head h3 { font-size: 16.5px; }
.pain {
  background: #f6fbf8; border-left: 3px solid #cbd5e1;
  padding: 8px 12px; border-radius: 0 8px 8px 0;
  color: var(--muted); font-size: 13px; line-height: 1.65; margin-bottom: 14px;
}
.sol-card ul { list-style: none; }
.sol-card li {
  color: #334b41; font-size: 13.6px; line-height: 1.7;
  padding: 5px 0 5px 22px; position: relative;
}
.sol-card li::before { content: "✓"; position: absolute; left: 2px; color: var(--green); font-weight: 700; }

/* ===== 能力矩阵 ===== */
.caps { background: #f6fbf8; border-radius: 20px; }
.caps-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.cap-block {
  background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 24px 26px;
}
.cap-block h3 { font-size: 16px; margin-bottom: 12px; display: flex; align-items: center; gap: 8px; }
.cap-icon { font-size: 20px; }
.cap-block ul { list-style: none; }
.cap-block li {
  color: #334b41; font-size: 13.8px; line-height: 1.7;
  padding: 5px 0 5px 22px; position: relative;
}
.cap-block li::before { content: "·"; position: absolute; left: 8px; color: var(--green); font-weight: 800; }

/* ===== 开发者三步 / 实施流程 ===== */
.dev-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.dev-card {
  background: #0f2018; border-radius: 14px; padding: 24px 22px;
}
.dev-num {
  font-size: 13px; font-weight: 700; color: #34d399;
  border: 1px solid rgba(52,211,153,.4); border-radius: 6px;
  display: inline-block; padding: 3px 10px; margin-bottom: 14px;
}
.dev-card h3 { font-size: 16px; margin-bottom: 14px; color: #fff; }
.dev-card pre {
  background: #0b1913; border-radius: 10px;
  padding: 14px; font-size: 12.3px; line-height: 1.7; color: #86efac;
  white-space: pre-wrap; word-break: break-all; overflow-x: auto;
}
.proc-desc { color: #a9c3b6; font-size: 13.5px; line-height: 1.75; }

/* ===== 服务保障 / 支持 ===== */
.guarantee { background: linear-gradient(180deg, #f2fbf7, #fff); padding: 76px 24px; }
.support { background: linear-gradient(180deg, #fff, #f2fbf7); padding: 76px 24px 60px; }
.g-inner { max-width: 1100px; margin: 0 auto; }
.g-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 40px; }
.g-item {
  display: flex; gap: 16px; background: #fff;
  border: 1px solid var(--line); border-radius: 14px; padding: 22px 24px;
}
.g-icon { font-size: 26px; }
.g-item h3 { font-size: 15.5px; margin-bottom: 6px; }
.g-item p { color: var(--muted); font-size: 13.8px; line-height: 1.7; }
.support-cta { text-align: center; margin-top: 36px; }

/* ===== 定价 ===== */
.pricing { max-width: 1100px; margin: 0 auto; padding: 76px 24px; display: flex; justify-content: center; }
.price-card {
  width: 400px; text-align: center;
  background: #fff; border: 1px solid var(--green);
  border-radius: 18px; padding: 38px 34px;
  box-shadow: 0 12px 40px rgba(14,159,110,.12);
}
.price-badge {
  font-size: 12.5px; color: var(--green-2);
  background: var(--green-soft); padding: 5px 14px; border-radius: 999px;
}
.price-num { font-size: 52px; font-weight: 800; margin: 18px 0 6px; color: var(--green-2); }
.price-num span { font-size: 20px; color: var(--muted); }
.price-card > p { color: var(--muted); font-size: 14px; margin-bottom: 22px; }
.price-card ul { list-style: none; margin-bottom: 26px; }
.price-card li { color: #334b41; font-size: 14px; padding: 7px 0; }

/* ===== FAQ ===== */
.faq { max-width: 860px; margin: 0 auto; padding: 20px 24px 76px; }
.faq-list { margin-top: 36px; }
.faq-item {
  border: 1px solid var(--line); border-radius: 12px;
  padding: 18px 22px; margin-bottom: 14px; background: #fbfefc;
}
.faq-item h4 { font-size: 15.5px; margin-bottom: 8px; }
.faq-item p { color: var(--muted); font-size: 14px; line-height: 1.75; }

/* ===== CTA / Footer ===== */
.cta { text-align: center; padding: 60px 24px 80px; }
.cta h2 { font-size: 30px; margin-bottom: 26px; }

.footer {
  border-top: 1px solid var(--line); padding: 30px 24px 40px;
  text-align: center; color: var(--muted); font-size: 13.5px;
  display: flex; flex-direction: column; gap: 8px; background: #f6fbf8;
}
.footer-brand { font-weight: 700; color: var(--ink); }

@media (max-width: 860px) {
  .nav-links { display: none; }
  .hero-inner { grid-template-columns: 1fr; gap: 36px; }
  .hero h1, .page-hero .hero-inner.single h1 { font-size: 34px; }
  .grid, .sol-grid, .caps-grid, .dev-grid, .g-grid { grid-template-columns: 1fr; }
}