/* ─── Reset & Base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary: #2563eb;
  --primary-2: #6366f1;
  --accent: #22d3ee;
  --gold: #f59e0b;
  --success: #16a34a;
  --danger: #ef4444;
  --text: #0f172a;
  --text-2: #475569;
  --text-3: #94a3b8;
  --border: #e2e8f0;
  --bg: #f8fafc;
  --card: #ffffff;
  --radius: 14px;
  --shadow-sm: 0 4px 14px rgba(15,23,42,0.06);
  --shadow-md: 0 10px 30px rgba(15,23,42,0.10);
  --shadow-lg: 0 24px 60px rgba(15,23,42,0.18);
}

html { font-size: 15px; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ─── Top notice bar ─────────────────────────────────────────── */
.top-notice {
  background: linear-gradient(90deg, #1e3a8a 0%, #2563eb 50%, #6366f1 100%);
  color: #fff;
  text-align: center;
  font-size: 0.84rem;
  padding: 8px 16px;
  letter-spacing: 0.3px;
}
.top-notice b { color: #fde68a; }

/* ─── Header / Nav ───────────────────────────────────────────── */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(8px);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 0;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 800; font-size: 1.1rem;
}
.brand-mark {
  width: 34px; height: 34px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-2) 100%);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800;
  letter-spacing: -0.5px;
  box-shadow: var(--shadow-sm);
}
.brand-name { color: var(--text); }
.brand-name span { color: var(--primary); }

.nav-links {
  display: flex; align-items: center; gap: 22px;
  list-style: none;
}
.nav-links a {
  color: var(--text-2);
  font-size: 0.92rem;
  font-weight: 500;
  transition: color 0.15s;
}
.nav-links a:hover { color: var(--primary); }
.nav-cta {
  padding: 8px 18px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #fff !important;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}
.nav-cta:hover { color: #fff !important; transform: translateY(-1px); }

.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 6px; }
.nav-toggle span {
  display: block; width: 22px; height: 2px;
  background: var(--text); margin: 4px 0; border-radius: 2px;
}

/* ─── Hero ───────────────────────────────────────────────────── */
.hero {
  position: relative;
  padding: 64px 0 48px;
  overflow: hidden;
  background:
    radial-gradient(900px 420px at 12% -10%, rgba(99,102,241,0.18), transparent 60%),
    radial-gradient(800px 400px at 95% 0%, rgba(34,211,238,0.16), transparent 60%),
    linear-gradient(180deg, #ffffff 0%, #f1f5ff 100%);
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 48px;
  align-items: center;
}
.hero-tag {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 16px;
  border-radius: 999px;
  background: #eef2ff;
  color: var(--primary);
  font-size: 1rem; font-weight: 700;
  border: 1px solid #dbe3ff;
  margin-bottom: 16px;
}
.hero-tag .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 3px rgba(22,163,74,0.18);
}
.hero h1 {
  font-size: 2.55rem;
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text);
}
.hero h1 .grad {
  background: linear-gradient(120deg, var(--primary) 0%, var(--primary-2) 50%, var(--accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero p.lead {
  margin-top: 16px;
  font-size: 1.02rem;
  color: var(--text-2);
  max-width: 540px;
}
.hero-cta {
  margin-top: 26px;
  display: flex; flex-wrap: wrap; gap: 12px;
}
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.12s, box-shadow 0.12s, background 0.15s, color 0.15s;
  text-decoration: none;
  background: #fff;
  color: var(--text);
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #fff;
  box-shadow: 0 12px 28px rgba(37,99,235,0.30);
}
.btn-primary:hover { box-shadow: 0 16px 32px rgba(37,99,235,0.36); }
.btn-ghost {
  background: #fff;
  color: var(--text);
  border-color: var(--border);
  box-shadow: var(--shadow-sm);
}
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); }

/* Claude brand button — warm terracotta */
.btn-claude {
  background: linear-gradient(135deg, #d97757 0%, #c15f3c 100%);
  color: #fff;
  box-shadow: 0 12px 28px rgba(217,119,87,0.30);
}
.btn-claude:hover { box-shadow: 0 16px 32px rgba(217,119,87,0.38); color: #fff; }

/* Gemini brand button — google gradient */
.btn-gemini {
  background: linear-gradient(135deg, #4285f4 0%, #9b72cb 50%, #d96570 100%);
  color: #fff;
  box-shadow: 0 12px 28px rgba(155,114,203,0.30);
}
.btn-gemini:hover { box-shadow: 0 16px 32px rgba(155,114,203,0.38); color: #fff; }

.hero-trust {
  margin-top: 22px;
  display: flex; flex-wrap: wrap; gap: 18px;
  font-size: 0.86rem;
  color: var(--text-2);
}
.hero-trust span { display: inline-flex; align-items: center; gap: 6px; }
.hero-trust svg { width: 16px; height: 16px; color: var(--success); }

/* hero card on right — quick redeem entry */
.hero-card {
  background: #fff;
  border-radius: 18px;
  padding: 24px;
  box-shadow: var(--shadow-lg);
  border: 1px solid #e6ebff;
  position: relative;
}
.hero-card-title {
  display: flex; align-items: center; gap: 8px;
  font-weight: 700; font-size: 1.05rem;
  margin-bottom: 6px;
}
.hero-card-title .badge {
  font-size: 0.7rem;
  background: linear-gradient(135deg, var(--gold), #fb923c);
  color: #fff;
  padding: 2px 8px; border-radius: 999px;
  font-weight: 700;
}
.hero-card-sub { color: var(--text-2); font-size: 0.86rem; margin-bottom: 14px; }
.hero-card .field { margin-bottom: 12px; }
.hero-card label {
  display: block; font-size: 0.82rem; font-weight: 600; color: var(--text-2);
  margin-bottom: 6px;
}
.hero-card .input-row { display: flex; gap: 8px; }
.hero-card input {
  flex: 1;
  padding: 11px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 0.92rem;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
  font-family: inherit;
}
.hero-card input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.15);
}
.btn-verify {
  padding: 0 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #f8fafc;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--text-2);
  cursor: pointer;
  transition: all 0.15s;
}
.btn-verify:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
.field-hint { font-size: 0.78rem; color: var(--text-3); margin-top: 6px; }
.btn-submit {
  width: 100%;
  margin-top: 8px;
  padding: 13px 16px;
  border: 0; border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #fff;
  font-weight: 700; font-size: 0.98rem;
  cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  box-shadow: 0 10px 24px rgba(37,99,235,0.28);
  transition: transform 0.12s, box-shadow 0.12s, opacity 0.15s;
}
.btn-submit:hover:not(:disabled) { transform: translateY(-1px); }
.btn-submit:disabled { opacity: 0.55; cursor: not-allowed; }
.btn-loading { display: none; align-items: center; gap: 8px; }
.spin { width: 16px; height: 16px; animation: spin 0.9s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.result-box {
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: 10px;
  display: none;
  align-items: center; gap: 10px;
  font-size: 0.9rem;
}
.result-box svg { width: 18px; height: 18px; flex-shrink: 0; }
.result-box.success { background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; }
.result-box.error { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }

/* ─── Live activity card ─────────────────────────────────────── */
.live-card { padding: 22px; }
.live-head {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.86rem;
  color: var(--text-2);
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--border);
  margin-bottom: 16px;
}
.live-title { font-weight: 700; color: var(--text); }
.live-time { margin-left: auto; font-variant-numeric: tabular-nums; color: var(--text-3); font-size: 0.82rem; }
.live-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 4px rgba(22,163,74,0.18);
  animation: pulse 1.6s ease-out infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(22,163,74,0.55); }
  70%  { box-shadow: 0 0 0 10px rgba(22,163,74,0); }
  100% { box-shadow: 0 0 0 0 rgba(22,163,74,0); }
}

.live-hero {
  display: flex; align-items: center; gap: 14px;
  padding: 16px 16px;
  background: linear-gradient(135deg, #eef2ff 0%, #e0f2fe 100%);
  border-radius: 12px;
  border: 1px solid #dbe3ff;
  margin-bottom: 14px;
}
.live-num {
  position: relative;
  flex-shrink: 0;
  width: 72px; height: 72px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 2.2rem; font-weight: 800;
  color: #fff;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-2) 60%, #818cf8 100%);
  background-size: 220% 220%;
  animation: liveBg 4s ease-in-out infinite, livePulse 2s ease-out infinite;
  box-shadow:
    0 10px 24px rgba(37,99,235,0.32),
    inset 0 2px 0 rgba(255,255,255,0.25),
    inset 0 -2px 6px rgba(15,23,42,0.18);
  text-shadow: 0 1px 2px rgba(15,23,42,0.20);
}
.live-num::after {
  content: '';
  position: absolute; inset: 0;
  border-radius: 50%;
  pointer-events: none;
  background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,0.45) 50%, transparent 70%);
  background-size: 220% 100%;
  animation: liveShine 3.2s linear infinite;
  mix-blend-mode: overlay;
}
.live-num.bump { animation: liveBump 0.45s ease, liveBg 4s ease-in-out infinite, livePulse 2s ease-out infinite; }
@keyframes liveBump {
  0%   { transform: scale(1); }
  40%  { transform: scale(1.18); }
  100% { transform: scale(1); }
}
@keyframes liveBg {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
@keyframes livePulse {
  0%   { box-shadow: 0 10px 24px rgba(37,99,235,0.32), 0 0 0 0 rgba(37,99,235,0.55), inset 0 1px 0 rgba(255,255,255,0.25); }
  70%  { box-shadow: 0 10px 24px rgba(37,99,235,0.32), 0 0 0 14px rgba(37,99,235,0),    inset 0 1px 0 rgba(255,255,255,0.25); }
  100% { box-shadow: 0 10px 24px rgba(37,99,235,0.32), 0 0 0 0 rgba(37,99,235,0),       inset 0 1px 0 rgba(255,255,255,0.25); }
}
@keyframes liveShine {
  0%   { background-position: -120% 0; }
  100% { background-position: 220% 0; }
}
.live-num-inline {
  font-weight: 800;
  color: var(--primary);
  font-variant-numeric: tabular-nums;
  padding: 0 2px;
}
.live-text {
  font-size: 0.98rem; color: var(--text);
  line-height: 1.5;
}
.live-text b { color: var(--text); }

.live-list {
  list-style: none;
  margin-bottom: 16px;
  display: flex; flex-direction: column;
}
.live-list li {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 2px;
  font-size: 0.92rem;
  border-bottom: 1px dashed var(--border);
}
.live-list li:last-child { border-bottom: 0; }
.ll-ic {
  width: 28px; height: 28px;
  border-radius: 8px;
  background: linear-gradient(135deg, #eef2ff, #e0e7ff);
  color: var(--primary);
  display: inline-flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.ll-ic svg { width: 16px; height: 16px; }
.ll-label { color: var(--text-2); }
.ll-num {
  margin-left: auto;
  font-weight: 700;
  background: linear-gradient(120deg, var(--primary), var(--primary-2));
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
  font-variant-numeric: tabular-nums;
}

.live-feed { }
.lf-title {
  font-size: 0.8rem; color: var(--text-2);
  margin-bottom: 8px;
  display: flex; align-items: center; gap: 6px;
}
.lf-title::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
}
#liveFeed {
  list-style: none;
  height: 88px;
  overflow: hidden;
  position: relative;
}
.lf-item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 12px;
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 0.84rem;
  margin-bottom: 6px;
  animation: feedIn 0.4s ease both;
}
.lf-user { font-weight: 700; color: var(--text); }
.lf-act { color: var(--text-2); }
.lf-time { margin-left: auto; color: var(--text-3); font-size: 0.76rem; }
@keyframes feedIn {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─── Stats strip ────────────────────────────────────────────── */
.stats {
  margin-top: -28px;
  position: relative;
  z-index: 2;
}
.stats-grid {
  background: #fff;
  border-radius: 16px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}
.stat {
  padding: 22px 18px;
  text-align: center;
  border-right: 1px solid var(--border);
}
.stat:last-child { border-right: 0; }
.stat-num {
  font-size: 1.6rem; font-weight: 800;
  background: linear-gradient(120deg, var(--primary), var(--primary-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat-label { color: var(--text-2); font-size: 0.85rem; margin-top: 4px; }

/* ─── Section base ───────────────────────────────────────────── */
section.block { padding: 64px 0; }
.section-head { text-align: center; margin-bottom: 36px; }
.section-head h2 {
  font-size: 1.85rem;
  font-weight: 800;
  letter-spacing: -0.4px;
}
.section-head p {
  margin-top: 8px;
  color: var(--text-2);
  font-size: 0.98rem;
}

/* ─── Feature cards ──────────────────────────────────────────── */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.feature {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}
.feature:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: #cbd5e1;
}
.feature-ic {
  width: 42px; height: 42px;
  border-radius: 10px;
  background: linear-gradient(135deg, #eef2ff, #e0e7ff);
  color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 14px;
}
.feature-ic svg { width: 22px; height: 22px; }
.feature h3 { font-size: 1rem; font-weight: 700; margin-bottom: 6px; }
.feature p { color: var(--text-2); font-size: 0.88rem; }

/* ─── Process ────────────────────────────────────────────────── */
.process-bg { background: #ffffff; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  position: relative;
}
.step {
  background: #f8fafc;
  border-radius: 14px;
  padding: 22px;
  border: 1px solid var(--border);
  position: relative;
}
.step-num {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.92rem;
  margin-bottom: 12px;
  box-shadow: 0 6px 14px rgba(37,99,235,0.30);
}
.step h4 { font-size: 1rem; font-weight: 700; margin-bottom: 6px; }
.step p { color: var(--text-2); font-size: 0.88rem; }

/* ─── Plan / Pricing ─────────────────────────────────────────── */
.plans {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.plan {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 26px 22px;
  display: flex; flex-direction: column;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}
.plan:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: #cbd5e1;
}
.plan.featured {
  border-color: transparent;
  background:
    linear-gradient(#fff,#fff) padding-box,
    linear-gradient(135deg, var(--primary), var(--primary-2)) border-box;
  border: 2px solid transparent;
  position: relative;
  box-shadow: var(--shadow-md);
}
.plan.featured::before {
  content: '热门';
  position: absolute;
  top: -12px; right: 18px;
  background: linear-gradient(135deg, var(--gold), #fb923c);
  color: #fff;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 700;
  box-shadow: var(--shadow-sm);
}
.plan-name { font-size: 0.92rem; color: var(--text-2); font-weight: 600; }
.plan-price { display: flex; align-items: baseline; gap: 4px; margin: 8px 0 6px; }
.plan-price .cur { font-size: 1rem; color: var(--text-2); font-weight: 600; }
.plan-price .num {
  font-size: 2.2rem; font-weight: 800;
  background: linear-gradient(120deg, var(--primary), var(--primary-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.plan-price .unit { color: var(--text-3); font-size: 0.85rem; }
.plan-tag { color: var(--text-3); font-size: 0.82rem; margin-bottom: 14px; }
.plan ul { list-style: none; flex: 1; margin-bottom: 18px; }
.plan li {
  display: flex; align-items: flex-start; gap: 8px;
  font-size: 0.9rem;
  color: var(--text-2);
  padding: 5px 0;
}
.plan li svg { width: 16px; height: 16px; color: var(--success); flex-shrink: 0; margin-top: 3px; }

/* ─── FAQ ────────────────────────────────────────────────────── */
.faq { display: flex; flex-direction: column; gap: 12px; max-width: 820px; margin: 0 auto; }
.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.faq-q {
  width: 100%;
  text-align: left;
  background: none; border: 0;
  padding: 16px 18px;
  font-size: 0.98rem;
  font-weight: 600;
  cursor: pointer;
  display: flex; align-items: center; justify-content: space-between;
  color: var(--text);
}
.faq-q:hover { color: var(--primary); }
.faq-q .chev { transition: transform 0.2s; flex-shrink: 0; }
.faq-item.open .faq-q .chev { transform: rotate(180deg); }
.faq-a {
  display: none;
  padding: 0 18px 16px;
  color: var(--text-2);
  font-size: 0.92rem;
  line-height: 1.75;
}
.faq-item.open .faq-a { display: block; }

/* ─── Final CTA ──────────────────────────────────────────────── */
.cta-band {
  background:
    radial-gradient(600px 240px at 20% 0%, rgba(255,255,255,0.16), transparent 60%),
    linear-gradient(135deg, #1e3a8a 0%, #2563eb 50%, #6366f1 100%);
  color: #fff;
  border-radius: 18px;
  padding: 36px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  box-shadow: var(--shadow-lg);
}
.cta-band h3 { font-size: 1.35rem; font-weight: 800; }
.cta-band p { color: rgba(255,255,255,0.85); margin-top: 6px; font-size: 0.94rem; }
.cta-band .btn-primary {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 14px 30px rgba(0,0,0,0.18);
}
.cta-band .btn-primary:hover { color: var(--primary-2); }

/* ─── Footer ─────────────────────────────────────────────────── */
.site-footer {
  margin-top: 56px;
  padding: 32px 0 28px;
  border-top: 1px solid var(--border);
  background: #fff;
}
.foot {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 14px;
  color: var(--text-2);
  font-size: 0.86rem;
}
.foot a:hover { color: var(--primary); }
.foot-links { display: flex; gap: 20px; }
.foot-links a { color: var(--text-2); text-decoration: none; font-size: 0.86rem; }
.foot-links a:hover { color: var(--primary); }

/* ─── Buy modal ──────────────────────────────────────────────── */
.modal {
  display: none;
  position: fixed; inset: 0;
  background: rgba(15,23,42,0.65);
  z-index: 999;
  align-items: center; justify-content: center;
  padding: 16px;
}
.modal.show { display: flex; }
.modal-card {
  background: #fff;
  border-radius: 16px;
  padding: 26px 28px;
  text-align: center;
  max-width: 340px; width: 100%;
  box-shadow: var(--shadow-lg);
}
.modal-card h4 { font-size: 1.05rem; font-weight: 700; margin-bottom: 4px; }
.modal-card .sub { color: var(--text-2); font-size: 0.86rem; margin-bottom: 14px; }
.qr-wrap {
  width: 200px; height: 200px;
  margin: 0 auto;
  border-radius: 12px;
  background: #f1f5f9;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.qr-wrap img { width: 100%; height: 100%; object-fit: contain; }
.qr-spinner {
  width: 28px; height: 28px;
  border: 3px solid #cbd5e1;
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}
.modal-actions {
  margin-top: 18px;
  display: flex; flex-direction: column; gap: 8px;
}
.modal-actions a, .modal-actions button {
  font-size: 0.86rem;
  padding: 10px 0;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text-2);
  cursor: pointer;
  text-decoration: none;
  font-family: inherit;
}
.modal-actions a:hover, .modal-actions button:hover {
  border-color: var(--primary); color: var(--primary);
}

/* ─── Responsive ─────────────────────────────────────────────── */
@media (max-width: 880px) {
  .hero { padding: 40px 0 32px; }
  .hero-inner { grid-template-columns: 1fr; gap: 28px; }
  .hero h1 { font-size: 2rem; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat { border-right: 0; border-bottom: 1px solid var(--border); }
  .stat:nth-child(2n) { border-right: 0; }
  .stat:nth-last-child(-n+2) { border-bottom: 0; }
  .features, .steps { grid-template-columns: repeat(2, 1fr); }
  .plans { grid-template-columns: 1fr; }
  .cta-band { flex-direction: column; align-items: flex-start; }
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  section.block { padding: 44px 0; }
}
@media (max-width: 480px) {
  .features, .steps { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; }
  .stat { border-bottom: 1px solid var(--border); }
  .stat:last-child { border-bottom: 0; }
  .hero h1 { font-size: 1.7rem; }
}