/* ============================================================
   旗祥科技 · 官网样式
   暗色高级视觉 · 玻璃拟态 · 渐变光效 · 滚动动画
   ============================================================ */
:root {
  --bg: #060913;
  --bg-2: #0a0f1e;
  --panel: rgba(15, 22, 40, .72);
  --panel-solid: #0e1526;
  --line: rgba(120, 145, 200, .16);
  --line-strong: rgba(130, 160, 220, .30);
  --txt: #e8edfb;
  --txt-2: #a9b6d4;
  --txt-3: #6b7a9c;
  --i1: #6366f1;
  --i2: #a855f7;
  --i3: #ec4899;
  --cyan: #22d3ee;
  --green: #34d399;
  --amber: #fbbf24;
  --grad: linear-gradient(120deg, #6366f1 0%, #a855f7 52%, #ec4899 100%);
  --grad-soft: linear-gradient(120deg, rgba(99,102,241,.16), rgba(168,85,247,.16));
  --r-s: 10px;
  --r: 16px;
  --r-l: 22px;
  --shadow: 0 24px 70px -20px rgba(0, 0, 0, .85);
  --glow: 0 0 0 1px rgba(130,160,220,.10), 0 30px 80px -30px rgba(99,102,241,.55);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
          "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  background: var(--bg);
  color: var(--txt);
  font-family: var(--font);
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
/* 背景光斑 */
body::before {
  content: ""; position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background:
    radial-gradient(900px 620px at 12% -6%, rgba(99,102,241,.26), transparent 60%),
    radial-gradient(760px 560px at 92% 6%, rgba(168,85,247,.20), transparent 62%),
    radial-gradient(900px 700px at 50% 108%, rgba(34,211,238,.10), transparent 60%),
    var(--bg);
}
body::after {
  content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  opacity: .42;
  background-image:
    linear-gradient(rgba(120,145,200,.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120,145,200,.055) 1px, transparent 1px);
  background-size: 62px 62px;
  mask-image: radial-gradient(circle at 50% 22%, #000 0%, transparent 78%);
  -webkit-mask-image: radial-gradient(circle at 50% 22%, #000 0%, transparent 78%);
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
::selection { background: rgba(168,85,247,.42); }

.wrap { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ---------------- 导航 ---------------- */
.nav {
  position: sticky; top: 0; z-index: 60;
  backdrop-filter: saturate(180%) blur(18px);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  background: rgba(6,9,19,.72);
  border-bottom: 1px solid var(--line);
}
.nav-in { display: flex; align-items: center; gap: 14px; height: 68px; }
.logo {
  width: 40px; height: 40px; border-radius: 12px; flex: 0 0 auto;
  background: var(--grad); display: grid; place-items: center;
  font-size: 20px; box-shadow: 0 8px 26px -8px rgba(140,90,255,.8);
}
.brand { font-weight: 800; font-size: 16.5px; letter-spacing: -.2px; line-height: 1.2; }
.brand small { display: block; font-size: 11.5px; font-weight: 500;
  color: var(--txt-3); letter-spacing: .4px; margin-top: 1px; }
.nav-links { display: flex; gap: 4px; margin-left: 26px; }
.nav-links a {
  font-size: 14px; color: var(--txt-2); padding: 8px 13px;
  border-radius: 9px; transition: .18s; font-weight: 500;
}
.nav-links a:hover { color: #fff; background: rgba(130,160,220,.10); }
.nav .sp { flex: 1; }

/* ---------------- 按钮 ---------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; border-radius: 12px; border: none; cursor: pointer;
  font-family: inherit; font-size: 14.5px; font-weight: 700; letter-spacing: .2px;
  white-space: nowrap; transition: transform .18s, box-shadow .18s, background .18s;
}
.btn-primary {
  background: var(--grad); color: #fff;
  box-shadow: 0 14px 34px -14px rgba(130,90,255,.95), inset 0 1px 0 rgba(255,255,255,.22);
}
.btn-primary:hover { transform: translateY(-2px);
  box-shadow: 0 20px 44px -14px rgba(130,90,255,1), inset 0 1px 0 rgba(255,255,255,.3); }
.btn-ghost {
  background: rgba(130,160,220,.07); color: var(--txt);
  border: 1px solid var(--line-strong);
}
.btn-ghost:hover { background: rgba(130,160,220,.14); border-color: rgba(150,180,240,.5); }
.btn-sm { padding: 8px 15px; font-size: 13px; border-radius: 9px; }

/* ---------------- Hero ---------------- */
.hero { padding: 74px 0 40px; }
.hero-grid {
  display: grid; grid-template-columns: 1.02fr .98fr;
  gap: 54px; align-items: center;
}
.pill {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 6px 14px 6px 7px; border-radius: 100px;
  background: rgba(130,160,220,.09); border: 1px solid var(--line-strong);
  font-size: 12.5px; color: var(--txt-2); font-weight: 600; margin-bottom: 22px;
}
.pill b {
  background: var(--grad); color: #fff; padding: 2px 9px; border-radius: 100px;
  font-size: 11px; letter-spacing: .6px;
}
.hero h1 {
  font-size: clamp(34px, 4.4vw, 58px); line-height: 1.12;
  letter-spacing: -1.6px; font-weight: 850; margin-bottom: 20px;
}
.grad {
  background: var(--grad); -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.hero p.lead {
  font-size: clamp(15px, 1.35vw, 17px); color: var(--txt-2);
  max-width: 560px; margin-bottom: 30px; line-height: 1.85;
}
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-meta {
  display: flex; gap: 22px; margin-top: 26px; flex-wrap: wrap;
  font-size: 12.5px; color: var(--txt-3);
}
.hero-meta span { display: inline-flex; align-items: center; gap: 6px; }
.dot { width: 6px; height: 6px; border-radius: 50%; background: var(--green);
  box-shadow: 0 0 10px var(--green); }

/* Hero 截图 */
.shot-frame {
  position: relative; border-radius: var(--r-l); overflow: hidden;
  border: 1px solid var(--line-strong); background: #0a1020;
  box-shadow: var(--shadow), 0 0 0 1px rgba(130,160,220,.06),
              0 40px 120px -40px rgba(110,70,255,.7);
  transform: perspective(1600px) rotateY(-7deg) rotateX(2.4deg) scale(1.01);
  transition: transform .6s cubic-bezier(.2,.7,.2,1);
}
.shot-frame:hover { transform: perspective(1600px) rotateY(-2deg) rotateX(1deg) scale(1.02); }
.shot-frame::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(160deg, rgba(255,255,255,.10), transparent 34%, transparent 70%, rgba(99,102,241,.16));
}
.shot-frame img { width: 100%; height: auto; }

/* ---------------- 数据条 ---------------- */
.stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1px; margin: 58px 0 0;
  background: var(--line); border: 1px solid var(--line);
  border-radius: var(--r); overflow: hidden;
}
.stats div { background: rgba(10,15,30,.9); padding: 22px 18px; text-align: center; }
.stats b {
  display: block; font-size: clamp(24px, 2.6vw, 32px); font-weight: 850;
  letter-spacing: -1px; background: var(--grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stats span { font-size: 12.5px; color: var(--txt-3); font-weight: 500; }

/* ---------------- 区块通用 ---------------- */
section.blk { padding: 84px 0; position: relative; }
.sec-head { max-width: 760px; margin-bottom: 44px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px; font-size: 12px;
  font-weight: 800; letter-spacing: 1.6px; text-transform: uppercase;
  color: #a5b4fc; margin-bottom: 14px;
}
.eyebrow::before { content: ""; width: 22px; height: 2px; border-radius: 2px;
  background: var(--grad); }
.sec-head h2 {
  font-size: clamp(26px, 3.2vw, 40px); line-height: 1.2;
  letter-spacing: -1.1px; font-weight: 820; margin-bottom: 14px;
}
.sec-head p { color: var(--txt-2); font-size: 15.5px; max-width: 640px; }

/* ---------------- 功能卡片 ---------------- */
.fgrid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
.fcard {
  position: relative; padding: 24px 22px 22px; border-radius: var(--r);
  background: var(--panel); border: 1px solid var(--line);
  backdrop-filter: blur(10px); overflow: hidden;
  transition: transform .22s, border-color .22s, background .22s;
}
.fcard::before {
  content: ""; position: absolute; inset: 0; opacity: 0; transition: opacity .28s;
  background: radial-gradient(420px 220px at 50% -20%, rgba(140,110,255,.20), transparent 70%);
}
.fcard:hover { transform: translateY(-4px); border-color: rgba(150,130,255,.42); }
.fcard:hover::before { opacity: 1; }
.fcard .ic {
  width: 46px; height: 46px; border-radius: 13px; display: grid; place-items: center;
  font-size: 21px; margin-bottom: 16px;
  background: var(--grad-soft); border: 1px solid rgba(150,130,255,.26);
}
.fcard h3 { font-size: 16px; font-weight: 750; margin-bottom: 7px; letter-spacing: -.2px; }
.fcard p { font-size: 13.4px; color: var(--txt-2); line-height: 1.72; }
.fcard .tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 14px; }
.tag {
  font-size: 11px; padding: 3px 9px; border-radius: 100px; font-weight: 600;
  background: rgba(130,160,220,.10); color: var(--txt-2);
  border: 1px solid var(--line);
}

/* ---------------- 功能详情（标签页） ---------------- */
.tabs {
  display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 26px;
}
.tab {
  padding: 9px 15px; border-radius: 10px; font-size: 13.5px; font-weight: 650;
  color: var(--txt-2); background: rgba(130,160,220,.06);
  border: 1px solid var(--line); cursor: pointer; transition: .18s;
  font-family: inherit;
}
.tab:hover { color: #fff; border-color: var(--line-strong); }
.tab.on {
  background: var(--grad); color: #fff; border-color: transparent;
  box-shadow: 0 10px 26px -12px rgba(140,90,255,.9);
}
.detail {
  display: grid; grid-template-columns: 1fr 1.06fr; gap: 40px;
  padding: 34px; border-radius: var(--r-l);
  background: var(--panel); border: 1px solid var(--line);
  backdrop-filter: blur(10px); align-items: start;
}
.detail[hidden] { display: none; }
.detail h3 { font-size: 22px; font-weight: 800; letter-spacing: -.5px; margin-bottom: 8px; }
.detail .pitch { color: var(--txt-2); font-size: 14.5px; margin-bottom: 22px; }
.detail h4 {
  font-size: 12px; font-weight: 800; letter-spacing: 1.3px; text-transform: uppercase;
  color: #a5b4fc; margin: 22px 0 12px;
}
.dsteps { display: grid; gap: 12px; }
.dstep { display: flex; gap: 12px; font-size: 13.8px; color: var(--txt-2); }
.dstep i {
  flex: 0 0 22px; height: 22px; border-radius: 7px; font-style: normal;
  display: grid; place-items: center; font-size: 11.5px; font-weight: 800;
  background: var(--grad-soft); border: 1px solid rgba(150,130,255,.3); color: #c7d2fe;
}
.dstep b { color: var(--txt); font-weight: 650; }
.dshot {
  border-radius: var(--r); overflow: hidden; border: 1px solid var(--line-strong);
  box-shadow: var(--shadow);
}
.combo { display: flex; gap: 8px; flex-wrap: wrap; align-items: center;
  font-size: 12.5px; color: var(--txt-2); }
.combo span {
  padding: 5px 11px; border-radius: 100px; background: rgba(130,160,220,.09);
  border: 1px solid var(--line); font-weight: 600; color: var(--txt);
}
.combo em { color: var(--txt-3); font-style: normal; }

/* ---------------- 工作流 ---------------- */
.wgrid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.wcard {
  padding: 28px; border-radius: var(--r-l); background: var(--panel);
  border: 1px solid var(--line); backdrop-filter: blur(10px);
  transition: border-color .2s, transform .2s;
}
.wcard:hover { border-color: rgba(150,130,255,.38); transform: translateY(-3px); }
.wcard .wk {
  font-size: 11px; font-weight: 800; letter-spacing: 1.4px; text-transform: uppercase;
  color: #a5b4fc; margin-bottom: 10px;
}
.wcard h3 { font-size: 18.5px; font-weight: 780; margin-bottom: 8px; letter-spacing: -.3px; }
.wcard p { font-size: 13.8px; color: var(--txt-2); margin-bottom: 20px; }
.flow { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.flow .node {
  padding: 8px 13px; border-radius: 9px; font-size: 12.5px; font-weight: 650;
  background: rgba(130,160,220,.09); border: 1px solid var(--line);
  color: var(--txt); white-space: nowrap;
}
.flow .node.hot {
  background: var(--grad-soft); border-color: rgba(150,130,255,.4); color: #ddd6fe;
}
.flow .ar { color: var(--txt-3); font-size: 13px; }

/* ---------------- 上手步骤 ---------------- */
.steps { display: grid; gap: 0; }
.step {
  display: grid; grid-template-columns: 54px 1fr; gap: 20px;
  padding: 24px 0; border-top: 1px solid var(--line);
}
.step:first-child { border-top: none; padding-top: 0; }
.step .num {
  width: 44px; height: 44px; border-radius: 13px; display: grid; place-items: center;
  font-size: 16px; font-weight: 850; color: #fff;
  background: var(--grad); box-shadow: 0 10px 26px -12px rgba(140,90,255,.9);
}
.step h3 { font-size: 16.5px; font-weight: 750; margin-bottom: 6px; }
.step p { font-size: 13.8px; color: var(--txt-2); }
.step code {
  background: rgba(99,102,241,.14); border: 1px solid rgba(120,130,255,.3);
  border-radius: 6px; padding: 2px 7px; font-family: var(--mono);
  font-size: 12.5px; color: #c7d2fe;
}

/* ---------------- 技术优势 ---------------- */
.tgrid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.tcard {
  padding: 22px; border-radius: var(--r); background: var(--panel);
  border: 1px solid var(--line);
}
.tcard .ti { font-size: 22px; margin-bottom: 12px; }
.tcard h3 { font-size: 14.5px; font-weight: 750; margin-bottom: 6px; }
.tcard p { font-size: 12.8px; color: var(--txt-2); }

/* ---------------- 下载 ---------------- */
.dl-card {
  position: relative; overflow: hidden; text-align: center;
  padding: 50px 30px; border-radius: 26px;
  background:
    radial-gradient(700px 300px at 50% -30%, rgba(140,90,255,.28), transparent 70%),
    linear-gradient(180deg, rgba(20,28,52,.92), rgba(10,15,30,.92));
  border: 1px solid rgba(150,130,255,.34);
  box-shadow: 0 40px 110px -40px rgba(120,70,255,.6);
}
.dl-card h2 { font-size: clamp(24px, 3vw, 34px); font-weight: 830;
  letter-spacing: -1px; margin-bottom: 12px; }
.dl-card p { color: var(--txt-2); font-size: 15px; margin-bottom: 26px; }
.dl-ver {
  display: inline-flex; align-items: center; gap: 9px; padding: 6px 14px;
  border-radius: 100px; background: rgba(52,211,153,.12);
  border: 1px solid rgba(52,211,153,.34); color: #86efac;
  font-size: 12.5px; font-weight: 650; margin-bottom: 22px;
}
.dl-meta { color: var(--txt-3); font-size: 13px; margin-top: 16px; }
.dl-list {
  display: flex; gap: 26px; justify-content: center; flex-wrap: wrap;
  margin-top: 26px; font-size: 12.8px; color: var(--txt-2);
}
.dl-list span { display: inline-flex; align-items: center; gap: 7px; }
.tick { color: var(--green); font-weight: 800; }

/* ---------------- FAQ ---------------- */
.faq { display: grid; gap: 10px; max-width: 900px; }
.faq details {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 13px; padding: 0; overflow: hidden; transition: border-color .2s;
}
.faq details[open] { border-color: rgba(150,130,255,.36); }
.faq summary {
  cursor: pointer; padding: 17px 20px; font-size: 14.5px; font-weight: 650;
  list-style: none; display: flex; align-items: center; gap: 12px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; margin-left: auto; font-size: 20px; font-weight: 400;
  color: var(--txt-3); transition: transform .2s;
}
.faq details[open] summary::after { transform: rotate(45deg); color: #a5b4fc; }
.faq .ans { padding: 0 20px 18px 20px; font-size: 13.6px; color: var(--txt-2); }
.faq code {
  background: rgba(99,102,241,.14); border: 1px solid rgba(120,130,255,.3);
  border-radius: 6px; padding: 1px 6px; font-family: var(--mono); font-size: 12px;
  color: #c7d2fe;
}

/* ---------------- 联系 ---------------- */
.contact {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 26px;
}
.ccard {
  padding: 24px; border-radius: var(--r); background: var(--panel);
  border: 1px solid var(--line);
}
.ccard h3 { font-size: 14px; font-weight: 750; margin-bottom: 8px; }
.ccard p { font-size: 13.2px; color: var(--txt-2); }

/* ---------------- 价格套餐 ---------------- */
.pgrid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; align-items: stretch; }
.pcard {
  position: relative; display: flex; flex-direction: column;
  padding: 28px 22px; border-radius: var(--r-l);
  background: var(--panel); border: 1px solid var(--line);
  backdrop-filter: blur(10px); transition: transform .22s, border-color .22s;
}
.pcard:hover { transform: translateY(-5px); border-color: rgba(150,130,255,.45); }
.pcard.hot {
  background:
    radial-gradient(520px 260px at 50% -30%, rgba(140,90,255,.34), transparent 70%),
    linear-gradient(180deg, rgba(24,30,58,.95), rgba(12,17,34,.95));
  border-color: rgba(160,130,255,.62);
  box-shadow: 0 34px 90px -34px rgba(130,80,255,.75);
}
.pcard .hot-badge {
  position: absolute; top: -11px; left: 50%; transform: translateX(-50%);
  background: var(--grad); color: #fff; font-size: 11px; font-weight: 800;
  letter-spacing: .8px; padding: 4px 14px; border-radius: 100px; white-space: nowrap;
  box-shadow: 0 8px 22px -8px rgba(140,90,255,.95);
}
.pcard .pk { font-size: 13px; font-weight: 800; letter-spacing: 1.2px;
  color: #a5b4fc; text-transform: uppercase; margin-bottom: 14px; }
.pcard .pp { font-size: 34px; font-weight: 850; letter-spacing: -1.4px;
  line-height: 1; margin-bottom: 6px; }
.pcard .pp span { font-size: 13px; font-weight: 600; color: var(--txt-3);
  letter-spacing: 0; margin-left: 4px; }
.pcard .pd { font-size: 12.8px; color: var(--txt-2); margin-bottom: 20px; }
.pcard ul { list-style: none; display: grid; gap: 9px; margin-bottom: 24px; flex: 1; }
.pcard li { font-size: 13px; color: var(--txt-2); display: flex; gap: 8px; align-items: flex-start; }
.pcard li::before { content: "✓"; color: var(--green); font-weight: 800; flex: 0 0 auto; }
.pcard .btn { width: 100%; }
.pnote { text-align: center; font-size: 12.6px; color: var(--txt-3); margin-top: 26px; }

/* ---------------- 页脚 ---------------- */
footer {
  border-top: 1px solid var(--line); padding: 40px 0 54px;
  color: var(--txt-3); font-size: 12.8px;
}
.f-in { display: flex; gap: 24px; flex-wrap: wrap; align-items: center; }
.f-in .sp { flex: 1; }
.f-links { display: flex; gap: 20px; flex-wrap: wrap; }
.f-links a:hover { color: var(--txt); }

/* ---------------- 滚动动画 ---------------- */
.reveal { opacity: 0; transform: translateY(26px);
  transition: opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; transform: none; }

/* ---------------- 响应式 ---------------- */
@media (max-width: 1080px) {
  .pgrid { grid-template-columns: repeat(2, 1fr); }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .shot-frame { transform: none; }
  .shot-frame:hover { transform: none; }
  .fgrid { grid-template-columns: repeat(2, 1fr); }
  .tgrid { grid-template-columns: repeat(2, 1fr); }
  .detail { grid-template-columns: 1fr; gap: 26px; }
  .wgrid { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .nav-links { display: none; }
  .hero { padding: 46px 0 24px; }
  section.blk { padding: 56px 0; }
  .fgrid, .tgrid, .contact { grid-template-columns: 1fr; }
  .pgrid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .detail { padding: 22px; }
  .download .dl-card, .dl-card { padding: 34px 20px; }
  .step { grid-template-columns: 44px 1fr; gap: 14px; }
  .step .num { width: 38px; height: 38px; border-radius: 11px; font-size: 14px; }
}

/* ---------------- 购买弹窗（收款码） ---------------- */
.pay-mask {
  position: fixed; inset: 0; z-index: 200; display: none;
  align-items: center; justify-content: center; padding: 20px;
  background: rgba(3, 6, 14, .78);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.pay-mask.show { display: flex; animation: payIn .22s ease; }
@keyframes payIn { from { opacity: 0 } to { opacity: 1 } }
.pay-box {
  position: relative; width: min(560px, 100%); max-height: 92vh; overflow: auto;
  padding: 30px 28px 24px; border-radius: 22px; text-align: center;
  background:
    radial-gradient(600px 260px at 50% -30%, rgba(140,90,255,.28), transparent 70%),
    linear-gradient(180deg, #131a30, #0b1120);
  border: 1px solid rgba(150,130,255,.42);
  box-shadow: 0 40px 110px -30px rgba(0,0,0,.95);
  animation: payUp .28s cubic-bezier(.2,.7,.2,1);
}
@keyframes payUp { from { transform: translateY(18px) scale(.97) } to { transform: none } }
.pay-close {
  position: absolute; top: 12px; right: 14px; width: 34px; height: 34px;
  border-radius: 50%; border: 1px solid var(--line); background: rgba(130,160,220,.1);
  color: var(--txt-2); font-size: 22px; line-height: 1; cursor: pointer;
  transition: .18s;
}
.pay-close:hover { background: rgba(130,160,220,.22); color: #fff; }
.pay-plan { font-size: 13px; font-weight: 800; letter-spacing: 1.6px;
  color: #a5b4fc; text-transform: uppercase; }
.pay-price {
  font-size: 40px; font-weight: 850; letter-spacing: -1.6px; margin: 6px 0 12px;
  background: var(--grad); -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.pay-tip { font-size: 13.4px; color: var(--txt-2); line-height: 1.8; margin-bottom: 22px; }
.pay-tip b { color: #c7d2fe; }
.pay-qrs { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.pay-qr {
  padding: 12px; border-radius: 14px; background: #fff;
  border: 1px solid rgba(150,130,255,.3);
}
.pay-qr img { width: 100%; border-radius: 8px; display: block; }
.pay-qr span {
  display: inline-flex; align-items: center; gap: 6px; margin-top: 8px;
  font-size: 13px; font-weight: 700; color: #1f2937;
}
.pay-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.pay-dot.wx { background: #07C160; }
.pay-dot.ali { background: #1677FF; }
.pay-foot {
  margin-top: 18px; font-size: 12.6px; color: var(--txt-3); line-height: 1.8;
}
.pay-foot b { color: var(--txt); }
@media (max-width: 520px) {
  .pay-box { padding: 24px 16px 18px; }
  .pay-price { font-size: 32px; }
  .pay-qrs { gap: 10px; }
}