:root {
  --bg: #090b11;
  --bg-soft: #0f131c;
  --surface: rgba(15, 19, 28, 0.82);
  --surface-strong: rgba(19, 25, 36, 0.96);
  --surface-muted: rgba(255, 255, 255, 0.04);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 184, 107, 0.2);
  --text: #f6f7fb;
  --text-soft: #a9b2c7;
  --text-muted: #79829a;
  --accent: #ff9d2e;
  --accent-strong: #ff6a1f;
  --accent-cool: #ffd166;
  --shadow: 0 24px 50px rgba(0, 0, 0, 0.34);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 18px;
  --content-width: 960px;
  --gutter: 20px;
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: dark;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Avenir Next", "SF Pro Display", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at var(--bg-r1x, 18%) var(--bg-r1y, 10%), rgba(255, 106, 31, 0.18), transparent 26%),
    radial-gradient(circle at var(--bg-r2x, 88%) var(--bg-r2y, 24%), rgba(255, 157, 46, 0.12), transparent 28%),
    radial-gradient(circle at var(--bg-r3x, 32%) var(--bg-r3y, 88%), rgba(255, 209, 102, 0.1), transparent 24%),
    linear-gradient(180deg, #0b0e14 0%, #090b11 100%);
}

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

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

.page-shell {
  width: min(100%, calc(var(--content-width) + 32px));
  margin: 0 auto;
  padding: 28px 16px 56px;
}

.content-stack {
  display: grid;
  gap: 18px;
}

.section-free,
.panel {
  padding-inline: clamp(2px, 1.8vw, 8px);
}

.hero {
  display: grid;
  justify-items: center;
  text-align: center;
  gap: 12px;
  padding-top: 12px;
  padding-bottom: 28px;
}

.brand-mark {
  position: relative;
}

.brand-mark::after {
  content: "";
  position: absolute;
  inset: -12px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 157, 46, 0.26) 0%, rgba(255, 106, 31, 0.04) 58%, transparent 72%);
  z-index: -1;
  filter: blur(12px);
}

.brand-avatar {
  width: clamp(88px, 28vw, 128px);
  aspect-ratio: 1;
  border-radius: 28px;
  object-fit: cover;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.32);
}

.brand-english,
.eyebrow {
  margin: 0;
  color: var(--accent-cool);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.brand-name,
.section-heading h2 {
  margin: 0;
  font-family: "Avenir Next", "SF Pro Display", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-weight: 900;
  line-height: 1.08;
}

.brand-name {
  font-size: clamp(2rem, 7vw, 3.35rem);
}

.brand-bio {
  width: min(680px, 100%);
  margin: 0;
  color: var(--text-soft);
  font-size: 0.98rem;
  line-height: 1.7;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

.hero-meta span {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-soft);
  font-size: 0.9rem;
}

.section-heading {
  max-width: 100%;
}

.section-heading h2 {
  font-size: clamp(1.55rem, 5vw, 2.15rem);
}

.panel {
  position: relative;
  padding: 22px 18px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  background:
    radial-gradient(circle at var(--panel-r1x, 20%) var(--panel-r1y, 20%), rgba(255, 157, 46, 0.13), transparent 28%),
    radial-gradient(circle at var(--panel-r2x, 80%) var(--panel-r2y, 70%), rgba(255, 106, 31, 0.12), transparent 24%),
    var(--surface);
  box-shadow: var(--shadow);
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.panel::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0));
  pointer-events: none;
}

.panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.panel-head h3 {
  margin: 0 0 6px;
  font-size: 1.12rem;
}

.panel-head p {
  margin: 0;
  color: var(--text-soft);
  font-size: 0.92rem;
  line-height: 1.65;
}

.refresh-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-soft);
  font-size: 0.83rem;
  white-space: nowrap;
}

.refresh-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 14px rgba(255, 157, 46, 0.7);
}

.platform-list {
  display: grid;
  gap: 14px;
}

.platform-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 16px;
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(255, 255, 255, 0.07);
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.platform-card:hover {
  transform: translateY(-1px);
  border-color: var(--border-strong);
  background: rgba(255, 255, 255, 0.05);
}

.platform-icon {
  width: 58px;
  height: 58px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.06);
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.22), 0 10px 24px rgba(0, 0, 0, 0.28);
  overflow: hidden;
}

.platform-icon-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.platform-icon-fallback {
  font-size: 1rem;
  font-weight: 800;
  color: #fff;
}

.platform-copy {
  min-width: 0;
}

.platform-title {
  margin: 0;
  font-size: 1.18rem;
  font-weight: 700;
}

.platform-host {
  margin: 0;
  color: var(--text-soft);
  line-height: 1.6;
  font-size: 0.92rem;
}

.platform-stats {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  margin-top: 10px;
}

.stat-chip {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.stat-label {
  color: var(--text-muted);
  font-size: 0.8rem;
}

.visit-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 92px;
  padding: 14px 18px;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.07));
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text);
  font-size: 0.96rem;
  font-weight: 700;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

.visit-button:hover,
.visit-button:focus-visible {
  transform: translateY(-1px);
  background: linear-gradient(180deg, rgba(255, 157, 46, 0.22), rgba(255, 106, 31, 0.16));
  border-color: rgba(255, 157, 46, 0.34);
  outline: none;
}

.count-roller {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  min-height: 1.4em;
  font-size: 1.02rem;
  font-variant-numeric: tabular-nums;
  color: var(--text);
}

.digit-stack {
  position: relative;
  width: 0.76em;
  height: 1.22em;
  overflow: hidden;
}

.digit-strip {
  display: grid;
  transition-property: transform;
  transition-timing-function: cubic-bezier(0.2, 0.88, 0.24, 1);
}

.digit-strip span,
.digit-static {
  display: grid;
  place-items: center;
  height: 1.22em;
}

.digit-static {
  min-width: 0.42em;
  color: var(--text-soft);
}

.selling-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.selling-card {
  min-height: 124px;
  padding: 18px 16px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.07);
}

.selling-card strong {
  display: block;
  margin-bottom: 10px;
  font-size: 1rem;
}

.selling-card p {
  margin: 0;
  color: var(--text-soft);
  font-size: 0.9rem;
  line-height: 1.65;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-item {
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(255, 255, 255, 0.07);
  overflow: hidden;
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 18px 20px;
  font-weight: 700;
  position: relative;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--accent-cool);
  font-size: 1.1rem;
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item p {
  margin: 0;
  padding: 0 20px 18px;
  color: var(--text-soft);
  font-size: 0.92rem;
  line-height: 1.7;
}

@media (max-width: 767px) {
  .page-shell {
    padding-inline: 14px;
  }

  .section-free,
  .panel {
    padding-inline: 0;
  }

  .section-heading {
    text-align: center;
  }

  .section-heading h2,
  .section-heading .eyebrow {
    text-align: center;
  }

  .panel-head {
    flex-direction: column;
    padding-left: 8px;
    padding-right: 8px;
  }

  .platform-card {
    grid-template-columns: auto minmax(0, 1fr);
    align-items: start;
  }

  .visit-button {
    grid-column: 1 / -1;
    width: 100%;
    margin-top: 4px;
  }
}

@media (min-width: 768px) {
  .page-shell {
    padding-top: 44px;
  }

  .content-stack {
    gap: 22px;
  }

  .section-heading,
  .panel-head {
    padding-left: 12px;
  }

  .panel {
    padding: 26px 24px;
  }

  .platform-card {
    padding: 18px 18px 18px 16px;
  }

  .selling-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation: none !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0ms !important;
  }
}