:root {
  --pink: #ff4d8d;
  --pink-light: #ff7eb3;
  --pink-dark: #d93672;
  --plum: #1a0f24;
  --plum-soft: #2d1a3a;
  --violet: #8b5cf6;
  --gold: #ffc857;
  --cream: #fff8fb;
  --text: #2a1f30;
  --text-muted: #6b5a72;
  --card-bg: rgba(255, 255, 255, 0.92);
  --radius: 16px;
  --shadow: 0 8px 32px rgba(255, 77, 141, 0.12);
  --nav-h: 58px;
  --dlbar-h: 0px;
  font-size: 16px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  background: linear-gradient(165deg, #fff5f9 0%, #fce8f2 35%, #f3e8ff 100%);
  color: var(--text);
  line-height: 1.75;
  min-height: 100vh;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 12% 18%, rgba(255, 77, 141, 0.08) 0%, transparent 42%),
    radial-gradient(circle at 88% 72%, rgba(139, 92, 246, 0.07) 0%, transparent 38%);
  pointer-events: none;
  z-index: 0;
}

a { color: var(--pink-dark); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--violet); }

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

.container {
  width: min(1120px, 94vw);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(26, 15, 36, 0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 77, 141, 0.25);
  height: var(--nav-h);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
  gap: 12px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
}

.brand img {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  border: 2px solid var(--pink);
}

.nav-links {
  display: flex;
  gap: 6px;
  list-style: none;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-links a {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.88rem;
  padding: 6px 12px;
  border-radius: 20px;
  transition: background 0.2s, color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  background: linear-gradient(135deg, var(--pink), var(--violet));
  color: #fff;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.4rem;
  cursor: pointer;
  padding: 4px 8px;
}

/* Download sticky bar */
.download-bar {
  position: fixed;
  top: var(--nav-h);
  left: 0;
  right: 0;
  z-index: 999;
  background: rgba(255, 248, 251, 0.97);
  border-bottom: 1px solid rgba(255, 77, 141, 0.2);
  box-shadow: 0 4px 20px rgba(255, 77, 141, 0.1);
  transform: translateY(-120%);
  opacity: 0;
  transition: transform 0.35s ease, opacity 0.35s ease;
  pointer-events: none;
}

.download-bar.visible {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.download-bar-inner {
  padding: 8px 12px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}

.download-bar .dl-item {
  width: calc(25% - 6px);
  text-align: center;
}

.download-bar .dl-item a {
  display: block;
}

.download-bar .dl-item img {
  width: 52px;
  height: 52px;
  margin: 0 auto;
  border-radius: 14px;
  object-fit: cover;
  box-shadow: 0 4px 14px rgba(24, 24, 24, 0.1);
  transition: transform 0.18s;
}

.download-bar .dl-item img:hover { transform: scale(1.06); }

.download-bar .dl-item span {
  display: block;
  font-size: 10px;
  color: var(--text-muted);
  margin-top: 3px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Ads block */
.ads-wrap {
  padding: 12px 0 4px;
  background: transparent;
}

#ads {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  flex-wrap: wrap;
  background: transparent;
  margin: 10px 0;
  gap: 6px;
}

#ads > div {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 70px;
}

#ads img {
  width: 65px;
  height: 65px;
  object-fit: cover;
  border-radius: 18px;
  box-shadow: 0 6px 18px rgba(24, 24, 24, 0.12);
  transition: transform 180ms ease, box-shadow 180ms ease;
  border: none;
}

#ads a { border-radius: 15px; display: inline-block; text-decoration: none; }
#ads img:hover {
  transform: translateY(-4px) scale(1.04);
  box-shadow: 0 10px 24px rgba(24, 24, 24, 0.18);
}

#ads figcaption, #ads .caption {
  height: 15px;
  font-size: 11px;
  color: #666;
  text-align: center;
  max-width: 100px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Hero */
.hero {
  padding: 48px 0 36px;
  text-align: center;
}

.hero-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--pink), var(--violet));
  color: #fff;
  font-size: 0.78rem;
  padding: 5px 16px;
  border-radius: 20px;
  margin-bottom: 16px;
  letter-spacing: 0.08em;
}

.hero h1 {
  font-size: clamp(1.6rem, 5vw, 2.4rem);
  line-height: 1.35;
  background: linear-gradient(135deg, var(--plum) 0%, var(--pink-dark) 60%, var(--violet) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 14px;
}

.hero-lead {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto 24px;
}

.btn-primary {
  display: inline-block;
  background: linear-gradient(135deg, var(--pink), var(--pink-dark));
  color: #fff !important;
  padding: 12px 32px;
  border-radius: 28px;
  font-weight: 600;
  box-shadow: 0 6px 24px rgba(255, 77, 141, 0.35);
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(255, 77, 141, 0.45);
  color: #fff;
}

/* Sections */
.section {
  padding: 40px 0;
}

.section-title {
  font-size: 1.5rem;
  color: var(--plum);
  margin-bottom: 8px;
  position: relative;
  padding-left: 14px;
}

.section-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 4px;
  background: linear-gradient(180deg, var(--pink), var(--violet));
  border-radius: 2px;
}

.section-sub {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 24px;
}

/* Layout modules */
.mod-text p { margin-bottom: 14px; text-align: justify; }

.mod-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
  margin: 20px 0;
}

.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(255, 77, 141, 0.1);
  transition: transform 0.25s;
}

.card:hover { transform: translateY(-3px); }

.card h3 {
  font-size: 1rem;
  color: var(--pink-dark);
  margin-bottom: 8px;
}

.card p { font-size: 0.9rem; color: var(--text-muted); }

.mod-img-text {
  display: grid;
  grid-template-columns: 3fr 7fr;
  gap: 28px;
  align-items: start;
  margin: 24px 0;
}

.mod-img-text.reverse { grid-template-columns: 7fr 3fr; }
.mod-img-text.reverse .mod-img { order: 2; }

.mod-img img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 2px solid rgba(255, 77, 141, 0.15);
}

.mod-img figcaption {
  font-size: 0.82rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: 8px;
}

.mod-img-text-card {
  display: grid;
  grid-template-columns: 3fr 7fr;
  gap: 24px;
  margin: 28px 0;
}

.mod-img-text-card .side-cards {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* Breadcrumb */
.breadcrumb {
  padding: 16px 0 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.breadcrumb a { color: var(--pink); }
.breadcrumb span { margin: 0 6px; }

/* Page content */
.page-hero {
  padding: 32px 0 20px;
}

.page-hero h1 {
  font-size: 1.8rem;
  color: var(--plum);
  margin-bottom: 10px;
}

.legal-content h2 {
  font-size: 1.2rem;
  color: var(--pink-dark);
  margin: 28px 0 12px;
  padding-bottom: 6px;
  border-bottom: 1px dashed rgba(255, 77, 141, 0.3);
}

.legal-content h3 {
  font-size: 1.05rem;
  color: var(--plum-soft);
  margin: 18px 0 8px;
}

.legal-content p, .legal-content li {
  margin-bottom: 12px;
  text-align: justify;
}

.legal-content ul, .legal-content ol {
  padding-left: 22px;
  margin-bottom: 16px;
}

/* FAQ */
.faq-item {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 12px;
  border-left: 3px solid var(--pink);
  box-shadow: var(--shadow);
}

.faq-item h3 { font-size: 1rem; color: var(--plum); margin-bottom: 8px; }
.faq-item p { font-size: 0.92rem; color: var(--text-muted); }

/* Feature tags */
.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0;
}

.tag {
  background: linear-gradient(135deg, rgba(255, 77, 141, 0.12), rgba(139, 92, 246, 0.1));
  color: var(--pink-dark);
  font-size: 0.82rem;
  padding: 5px 14px;
  border-radius: 20px;
  border: 1px solid rgba(255, 77, 141, 0.2);
}

/* Footer */
.site-footer {
  background: var(--plum);
  color: rgba(255, 255, 255, 0.75);
  padding: 40px 0 24px;
  margin-top: 48px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 28px;
  margin-bottom: 28px;
}

.footer-grid h4 {
  color: var(--pink-light);
  font-size: 0.95rem;
  margin-bottom: 12px;
}

.footer-grid a {
  display: block;
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.88rem;
  margin-bottom: 8px;
}

.footer-grid a:hover { color: var(--pink-light); }

.footer-bottom {
  text-align: center;
  font-size: 0.82rem;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.45);
}

/* Error pages */
.error-page {
  text-align: center;
  padding: 60px 20px 80px;
}

.error-code {
  font-size: 5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--pink), var(--violet));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.error-page h1 { font-size: 1.4rem; color: var(--plum); margin: 16px 0; }
.error-page p { color: var(--text-muted); margin-bottom: 24px; }

/* Responsive */
@media (max-width: 768px) {
  .menu-toggle { display: block; }

  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: var(--plum);
    flex-direction: column;
    padding: 12px;
    border-bottom: 1px solid rgba(255, 77, 141, 0.2);
  }

  .nav-links.open { display: flex; }

  .mod-img-text,
  .mod-img-text.reverse,
  .mod-img-text-card {
    grid-template-columns: 1fr;
  }

  .mod-img-text.reverse .mod-img { order: 0; }

  .mod-cards { grid-template-columns: 1fr; }
}

@media (min-width: 769px) {
  .download-bar .dl-item { width: calc(12.5% - 7px); }
}

@media (max-width: 768px) {
  .download-bar .dl-item { width: calc(25% - 6px); }
}

body.has-dlbar { padding-top: 0; }
body.dlbar-active { --dlbar-h: 76px; }