/* ============================================
   QERVALO — ROI-driven affiliate network
   Design tokens
   ============================================ */
:root {
  --ink: #070B14;
  --ink-2: #0D1422;
  --ink-3: #141D2E;
  --paper: #FFFFFF;
  --paper-2: #F5F7FB;
  --paper-3: #EAEEF6;
  --text: #101828;
  --text-2: #475467;
  --text-3: #7A8699;
  --on-dark: #EEF3FA;
  --on-dark-2: #9AA8BF;
  --mint: #4FE3B0;
  --mint-deep: #0E9E77;
  --indigo: #6C7BFF;
  --line: rgba(16, 24, 40, .1);
  --line-dark: rgba(255, 255, 255, .1);
  --radius: 16px;
  --radius-lg: 24px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .04), 0 12px 32px -12px rgba(16, 24, 40, .14);
  --shadow-lg: 0 24px 80px -32px rgba(16, 24, 40, .28);
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --max: 1200px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--sans);
  background: var(--paper);
  color: var(--text);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  margin: 0;
  font-weight: 600;
  letter-spacing: -.02em;
  line-height: 1.12;
}

h1 { font-size: clamp(40px, 5.4vw, 68px); letter-spacing: -.035em; }
h2 { font-size: clamp(28px, 3.4vw, 44px); letter-spacing: -.03em; }
h3 { font-size: 20px; }
h4 { font-size: 16px; }

p { margin: 0; }

.wrap {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--mint-deep);
  margin-bottom: 18px;
}
.eyebrow::before {
  content: "";
  width: 18px;
  height: 1px;
  background: currentColor;
}
.eyebrow.on-dark { color: var(--mint); }

.lede {
  font-size: 18px;
  color: var(--text-2);
  line-height: 1.7;
  max-width: 620px;
}
.on-dark .lede, .lede.on-dark { color: var(--on-dark-2); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 48px;
  padding: 0 24px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .18s ease, background .18s ease, border-color .18s ease, color .18s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--ink); color: #fff; }
.btn-primary:hover { background: #1B2740; }
.btn-mint { background: var(--mint); color: #04251B; }
.btn-mint:hover { background: #6BEDC1; }
.btn-ghost-dark { border-color: var(--line-dark); color: var(--on-dark); }
.btn-ghost-dark:hover { border-color: rgba(255,255,255,.35); background: rgba(255,255,255,.04); }
.btn-ghost { border-color: var(--line); color: var(--text); background: #fff; }
.btn-ghost:hover { border-color: rgba(16,24,40,.28); }
.btn .arrow { transition: transform .18s ease; }
.btn:hover .arrow { transform: translateX(3px); }

/* ---------- nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(7, 11, 20, .82);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid var(--line-dark);
}
.nav-inner {
  display: flex;
  align-items: center;
  gap: 40px;
  height: 76px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-weight: 600;
  font-size: 18px;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.brand-mark {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--mint), #2BC79A 55%, var(--indigo));
  position: relative;
  flex: none;
}
.brand-mark::after {
  content: "";
  position: absolute;
  inset: 9px;
  border-radius: 4px;
  background: var(--ink);
  transform: rotate(45deg);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-left: auto;
  white-space: nowrap;
}
.nav-links a {
  font-size: 14.5px;
  color: var(--on-dark-2);
  transition: color .15s ease;
}
.nav-links a:hover, .nav-links a.active { color: #fff; }
.nav-cta { display: flex; align-items: center; gap: 10px; white-space: nowrap; }
.nav-links a.lang { font-size: 13px; opacity: .8; }
@media (max-width: 1180px) {
  .nav-links { gap: 16px; }
  .nav-links a { font-size: 13.5px; }
  .nav-cta .btn { padding: 0 13px; font-size: 13px; }
}
.nav-cta .btn { height: 42px; padding: 0 18px; font-size: 14px; }
.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  align-items: center; justify-content: center;
  background: transparent; border: 1px solid var(--line-dark);
  border-radius: 10px; cursor: pointer; color: #fff;
}

/* ---------- hero ---------- */
.hero {
  background: var(--ink);
  color: var(--on-dark);
  padding: 96px 0 80px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  width: 900px; height: 900px;
  right: -320px; top: -420px;
  background: radial-gradient(circle, rgba(79,227,176,.16), rgba(79,227,176,0) 62%);
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute;
  width: 760px; height: 760px;
  left: -300px; bottom: -480px;
  background: radial-gradient(circle, rgba(108,123,255,.18), rgba(108,123,255,0) 64%);
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 64px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero h1 span { color: var(--mint); }
.hero .lede { margin-top: 22px; font-size: 19px; max-width: 540px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }
.hero-note {
  margin-top: 22px;
  font-size: 13px;
  color: var(--text-3);
  display: flex; align-items: center; gap: 8px;
}
.dot { width: 6px; height: 6px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 0 4px rgba(79,227,176,.16); }

/* hero panel — live-ish dashboard mock */
.panel {
  background: linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.025));
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-lg);
  padding: 22px;
  box-shadow: 0 40px 80px -40px rgba(0,0,0,.9);
  backdrop-filter: blur(10px);
}
.panel-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 18px;
}
.panel-title { font-size: 13px; color: var(--on-dark-2); letter-spacing: .02em; }
.panel-live {
  font-family: var(--mono); font-size: 11px; color: var(--mint);
  display: flex; align-items: center; gap: 6px;
}
.panel-live i {
  width: 6px; height: 6px; border-radius: 50%; background: var(--mint);
  animation: pulse 1.8s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .25; }
}
.panel-kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 18px; }
.kpi {
  background: rgba(255,255,255,.04);
  border: 1px solid var(--line-dark);
  border-radius: 12px;
  padding: 12px;
}
.kpi-label { font-size: 11px; color: var(--on-dark-2); letter-spacing: .04em; text-transform: uppercase; }
.kpi-value { font-size: 22px; font-weight: 600; margin-top: 4px; letter-spacing: -.02em; }
.kpi-value small { font-size: 12px; color: var(--mint); margin-left: 4px; font-weight: 500; }
.chart { display: flex; align-items: flex-end; gap: 6px; height: 128px; }
.chart span {
  flex: 1;
  background: linear-gradient(180deg, rgba(79,227,176,.85), rgba(79,227,176,.12));
  border-radius: 4px 4px 2px 2px;
  transform-origin: bottom;
  animation: grow .9s cubic-bezier(.2,.8,.2,1) backwards;
}
@keyframes grow { from { transform: scaleY(.05); opacity: .2; } }
.chart-legend {
  display: flex; justify-content: space-between;
  font-family: var(--mono); font-size: 10px; color: var(--text-3);
  margin-top: 10px;
}
.panel-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 11px 0; border-top: 1px solid var(--line-dark);
  font-size: 13px;
}
.panel-row:first-of-type { border-top: 0; }
.panel-row span:first-child { color: var(--on-dark-2); }
.tag {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: .04em;
  padding: 3px 8px; border-radius: 999px;
  border: 1px solid rgba(79,227,176,.3); color: var(--mint);
  background: rgba(79,227,176,.08);
}

/* ---------- logo strip ---------- */
.logos { background: var(--ink-2); border-top: 1px solid var(--line-dark); padding: 26px 0; }
.logos-inner {
  display: flex; align-items: center; gap: 40px;
  flex-wrap: wrap; justify-content: space-between;
}
.logos-label { font-size: 12.5px; color: var(--text-3); letter-spacing: .04em; }
.logo-item {
  font-size: 15px; font-weight: 600; letter-spacing: .08em;
  color: rgba(238,243,250,.38); text-transform: uppercase;
}

/* ---------- sections ---------- */
.section { padding: 96px 0; }
.section.tight { padding: 72px 0; }
.section.soft { background: var(--paper-2); }
.section-head { max-width: 700px; }
.section-head.center { margin: 0 auto; text-align: center; }
.section-head.center .lede { margin-left: auto; margin-right: auto; }
.section-head h2 { margin-bottom: 18px; }
.section-head .lede { margin-top: 0; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }

/* ---------- cards ---------- */
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
  height: 100%;
}
.card:hover { border-color: rgba(16,24,40,.2); transform: translateY(-2px); box-shadow: var(--shadow); }
.card-icon {
  width: 40px; height: 40px; border-radius: 11px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(79,227,176,.14); color: var(--mint-deep);
  margin-bottom: 18px;
}
.card h3 { margin-bottom: 10px; font-size: 18px; }
.card p { font-size: 15px; color: var(--text-2); line-height: 1.65; }

/* ---------- funnel ---------- */
.funnel { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; margin-top: 52px; }
.funnel-step {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px 18px;
  background: #fff;
  position: relative;
  transition: background .2s ease, border-color .2s ease;
}
.funnel-step:hover { background: var(--ink); border-color: var(--ink); color: #fff; }
.funnel-step:hover .step-num { color: rgba(255,255,255,.5); }
.funnel-step:hover p { color: var(--on-dark-2); }
.step-num {
  font-family: var(--mono); font-size: 11px; color: var(--text-3);
  letter-spacing: .1em; margin-bottom: 26px; display: block;
}
.funnel-step h4 { margin-bottom: 8px; font-size: 15.5px; }
.funnel-step p { font-size: 13.5px; color: var(--text-2); line-height: 1.55; }

/* ---------- split feature ---------- */
.split {
  display: grid; grid-template-columns: .95fr 1.05fr;
  gap: 64px; align-items: center;
}
.split.reverse { grid-template-columns: 1.05fr .95fr; }
.check-list { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 14px; }
.check-list li { display: flex; gap: 12px; font-size: 15.5px; color: var(--text-2); }
.check-list li b { color: var(--text); font-weight: 600; }
.check-list svg { flex: none; margin-top: 4px; color: var(--mint-deep); }

/* case cards */
.case {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  overflow: hidden;
  display: flex; flex-direction: column;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.case:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: rgba(16,24,40,.16); }
.case-top {
  padding: 24px 24px 20px;
  border-bottom: 1px solid var(--line);
  display: flex; align-items: center; justify-content: space-between;
  background: linear-gradient(180deg, var(--paper-2), #fff);
}
.case-brand { font-size: 15px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; }
.case-cat { font-family: var(--mono); font-size: 10.5px; color: var(--text-3); letter-spacing: .06em; text-transform: uppercase; }
.case-body { padding: 22px 24px 26px; flex: 1; display: flex; flex-direction: column; }
.case-body p { font-size: 14.5px; color: var(--text-2); }
.case-metrics { display: flex; gap: 28px; margin-top: auto; padding-top: 22px; }
.metric-val { font-size: 26px; font-weight: 600; letter-spacing: -.02em; color: var(--mint-deep); }
.metric-label { font-size: 12px; color: var(--text-3); margin-top: 2px; }

/* ---------- CTA ---------- */
.cta {
  background: var(--ink);
  color: var(--on-dark);
  border-radius: var(--radius-lg);
  padding: 64px;
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 48px;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.cta::before {
  content: "";
  position: absolute; inset: auto -120px -220px auto;
  width: 620px; height: 620px;
  background: radial-gradient(circle, rgba(79,227,176,.22), rgba(79,227,176,0) 62%);
}
.cta h2 { max-width: 15ch; position: relative; }
.cta-actions { display: flex; flex-direction: column; gap: 12px; position: relative; }
.cta-actions .btn { width: 100%; }
.cta-small { font-size: 12.5px; color: var(--text-3); text-align: center; }

/* ---------- footer ---------- */
.footer { background: var(--ink); color: var(--on-dark-2); padding: 64px 0 32px; border-top: 1px solid var(--line-dark); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
.footer h4 { color: #fff; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 16px; font-weight: 500; }
.footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.footer ul a { font-size: 14px; color: var(--on-dark-2); transition: color .15s; }
.footer ul a:hover { color: #fff; }
.footer-brand p { font-size: 14px; max-width: 300px; margin-top: 16px; line-height: 1.65; }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  gap: 20px; flex-wrap: wrap;
  margin-top: 56px; padding-top: 24px; border-top: 1px solid var(--line-dark);
  font-size: 13px;
}

/* ---------- forms ---------- */
.form-card {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 36px;
  box-shadow: var(--shadow);
}
.field { display: grid; gap: 8px; margin-bottom: 18px; }
.field label { font-size: 13px; font-weight: 500; color: var(--text); }
.field input, .field select, .field textarea {
  width: 100%; font-family: inherit; font-size: 15px; color: var(--text);
  padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px;
  background: #fff; transition: border-color .15s, box-shadow .15s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--mint-deep);
  box-shadow: 0 0 0 3px rgba(79,227,176,.18);
}
.field textarea { resize: vertical; min-height: 104px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-note { font-size: 12.5px; color: var(--text-3); margin-top: 14px; }
.form-ok {
  display: none; margin-top: 16px; padding: 14px 16px;
  border-radius: 10px; background: rgba(79,227,176,.12);
  border: 1px solid rgba(14,158,119,.3); color: #0A6B52; font-size: 14px;
}
.form-ok.show { display: block; }

/* ---------- page hero (inner pages) ---------- */
.page-hero { background: var(--ink); color: var(--on-dark); padding: 80px 0 72px; position: relative; overflow: hidden; }
.page-hero::before {
  content: ""; position: absolute; width: 820px; height: 820px; right: -300px; top: -400px;
  background: radial-gradient(circle, rgba(79,227,176,.14), rgba(79,227,176,0) 62%);
}
.page-hero .lede { margin-top: 20px; max-width: 560px; font-size: 18px; }
.page-hero h1 { font-size: clamp(34px, 4.2vw, 54px); }

/* stats strip */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.stat { padding: 32px 24px; border-right: 1px solid var(--line); }
.stat:last-child { border-right: 0; }
.stat-val { font-size: 34px; font-weight: 600; letter-spacing: -.03em; }
.stat-label { font-size: 13px; color: var(--text-2); margin-top: 4px; }

/* table */
.rate-table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.rate-table th {
  text-align: left; font-weight: 500; font-size: 12px; letter-spacing: .08em;
  text-transform: uppercase; color: var(--text-3);
  padding: 14px 16px; border-bottom: 1px solid var(--line);
}
.rate-table td { padding: 16px; border-bottom: 1px solid var(--line); color: var(--text-2); }
.rate-table td:first-child { color: var(--text); font-weight: 500; }

/* calculator */
.calc { background: var(--ink); border-radius: var(--radius-lg); padding: 32px; color: var(--on-dark); }
.calc h3 { color: #fff; margin-bottom: 6px; }
.calc p.hint { font-size: 13px; color: var(--text-3); margin-bottom: 22px; }
.calc-row { display: flex; justify-content: space-between; font-size: 14px; margin-bottom: 10px; color: var(--on-dark-2); }
.calc input[type="range"] { width: 100%; accent-color: var(--mint); margin: 6px 0 20px; }
.calc-out { border-top: 1px solid var(--line-dark); padding-top: 20px; margin-top: 6px; }
.calc-out-label { font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--text-3); }
.calc-out-val { font-size: 40px; font-weight: 600; letter-spacing: -.03em; color: var(--mint); margin-top: 6px; }

/* faq */
.faq-item { border-bottom: 1px solid var(--line); }
.faq-q {
  width: 100%; text-align: left; background: none; border: 0;
  padding: 22px 0; font-family: inherit; font-size: 16px; font-weight: 500;
  color: var(--text); cursor: pointer; display: flex; justify-content: space-between; gap: 20px;
}
.faq-q span { color: var(--text-3); transition: transform .2s ease; font-weight: 400; }
.faq-item.open .faq-q span { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .28s ease; }
.faq-item.open .faq-a { max-height: 320px; }
.faq-a p { padding-bottom: 22px; color: var(--text-2); font-size: 15px; max-width: 760px; }

/* reveal */
.reveal { opacity: 0; transform: translateY(18px); }
.reveal.in { opacity: 1; transform: none; transition: opacity .6s ease, transform .6s cubic-bezier(.2,.8,.2,1); }

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .panel { max-width: 520px; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .funnel { grid-template-columns: repeat(2, 1fr); }
  .split, .split.reverse { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cta { grid-template-columns: 1fr; padding: 44px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: 0; }
  .stat:nth-child(1), .stat:nth-child(2) { border-bottom: 1px solid var(--line); }
}

@media (max-width: 820px) {
  .nav-links, .nav-cta .btn-ghost-dark { display: none; }
  .nav-toggle { display: flex; }
  .nav-inner { height: 66px; }
  .nav.menu-open { background: var(--ink-2); }
  .nav.menu-open .nav-inner {
    height: auto; flex-wrap: wrap; padding-bottom: 22px; gap: 0;
  }
  .nav.menu-open .nav-links {
    display: flex; flex-direction: column; align-items: flex-start;
    position: static; order: 3; width: 100%;
    padding: 18px 0 6px; gap: 16px;
  }
  .nav.menu-open .nav-cta {
    position: static; order: 4; width: 100%;
    margin-top: 18px; padding: 0;
    background: transparent; flex-direction: column; align-items: stretch;
  }
  .nav.menu-open .nav-cta .btn { width: 100%; }
  .hero { padding: 64px 0 56px; }
  .section { padding: 68px 0; }
  .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; }
  .funnel { grid-template-columns: 1fr; }
  .cta { padding: 32px; }
  .footer { padding-top: 48px; }
  .form-card { padding: 24px; }
  .field-row { grid-template-columns: 1fr; }
  .case-metrics { gap: 20px; }
}

/* 双登录入口：发布者登录做成主按钮样式 */
.nav-links a.nav-cta{
  background:linear-gradient(135deg,#4fe3b0,#3bc998);
  color:#04150f;font-weight:600;border-radius:20px;padding:7px 16px;
}
.nav-links a.nav-cta:hover{opacity:.88;text-decoration:none}

/* ---------- nav login dropdown ---------- */
.nav-login { position: relative; display: flex; align-items: center; }
.nav-login-btn {
  display: inline-flex; align-items: center; gap: 6px;
  cursor: pointer; font: inherit;
  background: transparent; color: var(--on-dark);
}
.nav-login-btn .caret { transition: transform .18s ease; opacity: .7; margin-top: 1px; }
.nav-login:hover .nav-login-btn .caret,
.nav-login:focus-within .nav-login-btn .caret,
.nav-login.open .nav-login-btn .caret { transform: rotate(180deg); opacity: 1; }
.nav-login:hover .nav-login-btn { border-color: rgba(16,24,40,.28); }

.nav-login-menu {
  position: absolute; right: 0; top: calc(100% + 10px);
  width: 236px; padding: 7px;
  background: #0C1220;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 14px;
  box-shadow: 0 18px 40px rgba(3,7,15,.45);
  display: flex; flex-direction: column; gap: 2px;
  opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: opacity .16s ease, transform .16s ease, visibility .16s;
  z-index: 60;
}
.nav-login-menu::before {
  content: ""; position: absolute; left: 0; right: 0; top: -12px; height: 12px;
}
.nav-login:hover .nav-login-menu,
.nav-login:focus-within .nav-login-menu,
.nav-login.open .nav-login-menu {
  opacity: 1; visibility: visible; transform: none;
}
.nav-login-menu a {
  display: block; padding: 10px 12px; border-radius: 9px;
  color: #fff; font-size: 14px; line-height: 1.25;
  transition: background .14s ease;
}
.nav-login-menu a b { display: block; font-weight: 600; font-size: 14px; }
.nav-login-menu a span { display: block; margin-top: 3px; font-size: 12px; color: var(--on-dark-2); }
.nav-login-menu a:hover { background: rgba(255,255,255,.08); }
.nav-login-menu .sep { height: 1px; background: rgba(255,255,255,.08); margin: 4px 8px; }

@media (max-width: 820px) {
  /* 头部只保留「申请入驻」，登录入口放进汉堡菜单内，避免遮挡 */
  .nav-cta .nav-login { display: none; }
  .nav.menu-open .nav-cta .nav-login { display: flex; width: 100%; }
  .nav.menu-open .nav-cta .nav-login-btn { display: none; }
  .nav.menu-open .nav-cta .nav-login-menu {
    position: static; width: 100%; opacity: 1; visibility: visible;
    transform: none; background: rgba(255,255,255,.04); box-shadow: none;
    border-color: rgba(255,255,255,.1); margin-bottom: 10px;
  }
  .nav.menu-open .nav-cta .nav-login-menu::before { display: none; }
  .nav.menu-open .nav-cta .nav-login-menu a { padding: 12px; }
}

/* ============================================
   v7 — visual refresh (logo, depth, motion)
   ============================================ */
::selection { background: rgba(79,227,176,.28); color: #fff; }
:focus-visible { outline: 2px solid rgba(79,227,176,.65); outline-offset: 3px; border-radius: 6px; }

.brand-logo { border-radius: 9px; flex: none; box-shadow: 0 6px 18px -8px rgba(43,199,154,.7); }

/* nav */
.nav { background: rgba(6,10,18,.96); border-bottom: 1px solid rgba(255,255,255,.07); }
.nav::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(79,227,176,.35), rgba(108,123,255,.28), transparent);
  opacity: .8;
}
.nav-inner { height: 78px; }
.brand { letter-spacing: .11em; }
.nav-links a { position: relative; padding: 4px 0; }
.nav-links a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 1.5px; border-radius: 2px;
  background: linear-gradient(90deg, var(--mint), var(--indigo));
  transform: scaleX(0); transform-origin: left; transition: transform .22s ease;
}
.nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); }

/* buttons */
.btn-mint {
  background: linear-gradient(135deg, #6FF5CE, #2BC79A 62%, #24B489);
  color: #04251B;
  box-shadow: 0 12px 26px -12px rgba(43,199,154,.85), inset 0 1px 0 rgba(255,255,255,.35);
}
.btn-mint:hover { background: linear-gradient(135deg, #86F8DA, #34D2A4 62%, #27BE91); }
.btn-primary { box-shadow: 0 12px 26px -14px rgba(16,24,40,.6); }
.btn-primary:hover { background: #16223a; }

/* hero */
.hero {
  background:
    radial-gradient(1100px 620px at 78% -12%, rgba(43,199,154,.16), transparent 62%),
    radial-gradient(860px 520px at 6% 108%, rgba(108,123,255,.16), transparent 60%),
    linear-gradient(180deg, #070B14, #0A1120 62%, #070B14);
}
.hero::before {
  background-image:
    radial-gradient(circle at 1px 1px, rgba(255,255,255,.10) 1px, transparent 0);
  background-size: 26px 26px;
  -webkit-mask-image: radial-gradient(720px 520px at 62% 32%, #000, transparent 78%);
  mask-image: radial-gradient(720px 520px at 62% 32%, #000, transparent 78%);
  width: 100%; height: 100%; right: 0; top: 0;
  opacity: .5;
}
.hero h1 { letter-spacing: -.038em; }
.hero h1 span {
  background: linear-gradient(100deg, #7DF7D6, #4FE3B0 45%, #7EA0FF);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero .lede { color: #A9B7CC; }

/* hero panel */
.panel {
  background: linear-gradient(180deg, rgba(255,255,255,.085), rgba(255,255,255,.022));
  border: 1px solid rgba(255,255,255,.12);
  box-shadow: 0 50px 110px -50px rgba(0,0,0,.95), inset 0 1px 0 rgba(255,255,255,.14);
  position: relative;
}
.panel::before {
  content: ""; position: absolute; inset: -1px; border-radius: inherit; pointer-events: none;
  background: linear-gradient(150deg, rgba(79,227,176,.5), transparent 35%, transparent 65%, rgba(108,123,255,.35));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude; padding: 1px;
}
.kpi { background: rgba(255,255,255,.05); }

/* sections & cards */
.section { padding: 104px 0; }
.section.soft {
  background: linear-gradient(180deg, #F7F9FD, #FFFFFF 70%);
  border-top: 1px solid rgba(16,24,40,.06);
}
.section-head h2 { letter-spacing: -.032em; }
.card {
  border-radius: 18px;
  border-color: rgba(16,24,40,.09);
  background: linear-gradient(180deg, #fff, #FCFDFF);
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: 0 24px 48px -28px rgba(16,24,40,.35); }
.card-icon {
  background: linear-gradient(135deg, rgba(79,227,176,.18), rgba(108,123,255,.14));
  border: 1px solid rgba(79,227,176,.22);
  color: var(--mint-deep);
  border-radius: 12px;
}
.funnel-step { border-radius: 14px; transition: .22s ease; }
.case { border-radius: 20px; }
.metric-val {
  background: linear-gradient(100deg, #0E9E77, #2BC79A 60%, #4C7DFF);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* footer */
.footer { background: linear-gradient(180deg, #080D18, #060A12); position: relative; }
.footer::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(79,227,176,.4), rgba(108,123,255,.32), transparent);
}
.footer ul a { transition: color .16s, transform .16s; display: inline-block; }
.footer ul a:hover { transform: translateX(2px); }

/* CTA */
.cta { border-radius: 26px; box-shadow: 0 40px 90px -50px rgba(0,0,0,.9); }

/* forms */
.field input, .field select, .field textarea { border-radius: 11px; transition: border-color .16s, box-shadow .16s; }
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: rgba(79,227,176,.6);
  box-shadow: 0 0 0 4px rgba(79,227,176,.12);
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}
@media (max-width: 820px) {
  .nav-inner { height: 68px; }
  .section { padding: 72px 0; }
  .hero::before { opacity: .28; }
}