:root {
  color-scheme: dark;
  --bg: #0d1110;
  --panel: rgba(19, 27, 24, 0.78);
  --panel-strong: #15201c;
  --text: #eef5ef;
  --muted: #aab8af;
  --line: rgba(227, 238, 229, 0.15);
  --accent: #49d188;
  --accent-2: #f4b84a;
  --danger: #ff6b58;
  --shadow: 0 18px 60px rgba(0, 0, 0, 0.34);
}

html:not(.kqmv) body {
  filter: blur(10px);
  -webkit-filter: blur(10px);
}

body {
  transition: filter 0.5s ease, opacity 0.5s ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--text);
  font-family: Arial, "Microsoft YaHei", "PingFang SC", sans-serif;
  line-height: 1.6;
}

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

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

button,
input,
select {
  font: inherit;
}

.site-header,
.hero-section,
.trust-strip,
.content-section,
.refund-panel,
.site-footer {
  width: min(1160px, calc(100% - 32px));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 12px;
  z-index: 20;
  min-height: 64px;
}

.brand,
.nav-links,
.hero-actions,
.plan-card a,
.refund-form a,
.primary-action,
.secondary-action {
  min-height: 44px;
}

.brand {
  font-weight: 800;
}

.brand-mark {
  display: inline-grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 8px;
  background: var(--accent);
  color: #06100b;
}

.nav-links a {
  color: var(--muted);
  font-size: 14px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  font-size: clamp(42px, 8vw, 78px);
  line-height: 1;
  margin-bottom: 22px;
}

h2 {
  font-size: clamp(28px, 5vw, 44px);
  line-height: 1.12;
  margin-bottom: 14px;
}

h3 {
  font-size: 20px;
  line-height: 1.25;
  margin-bottom: 12px;
}

.hero-lead,
.section-heading p,
.feature-card p,
.plan-card p,
.refund-panel p,
.trust-strip span,
.site-footer {
  color: var(--muted);
}

.hero-lead {
  max-width: 620px;
  font-size: 18px;
}

.hero-media img,
.gallery-grid img {
  width: 100%;
  object-fit: cover;
}

.feature-card,
.plan-card,
.refund-form,
.trust-strip,
.site-header {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.feature-card,
.plan-card,
.refund-form {
  border-radius: 8px;
}

.feature-card span {
  color: var(--accent-2);
  font-weight: 800;
}

.primary-action,
.secondary-action,
.plan-card a,
.refund-form a,
.refund-form .form-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  font-weight: 800;
  cursor: pointer;
}

.primary-action,
.plan-card a,
.refund-form .form-action {
  background: var(--accent);
  color: #06100b;
}

.secondary-action,
.refund-form a {
  border: 1px solid var(--line);
  color: var(--text);
}

.refund-panel {
  border: 1px solid rgba(255, 107, 88, 0.36);
  background: linear-gradient(135deg, rgba(255, 107, 88, 0.13), rgba(73, 209, 136, 0.08)), var(--panel-strong);
  box-shadow: var(--shadow);
}

.refund-form input,
.refund-form select {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  padding: 0 12px;
}

.refund-form select option {
  background: #15201c;
}

.refund-form label span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 760px) {
  .site-header,
  .hero-section,
  .trust-strip,
  .content-section,
  .refund-panel,
  .site-footer {
    width: min(100% - 24px, 1160px);
  }

  .nav-links {
    display: none;
  }

  h1 {
    font-size: 42px;
  }
}