/* 樱花视频 · seo.qulianxinxi.com */
:root {
  --pink: #f05a9b;
  --rose: #e83985;
  --violet: #9b5cf6;
  --ink: #111827;
  --muted: #6b7280;
  --line: #f6d7e7;
  --bg: #fff7fb;
}

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

html { scroll-behavior: smooth; }

body {
  min-height: 100%;
  color: var(--ink);
  font-family: "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  background:
    radial-gradient(circle at 18% 8%, rgba(255, 143, 189, 0.22), transparent 28%),
    radial-gradient(circle at 84% 12%, rgba(155, 92, 246, 0.14), transparent 30%),
    linear-gradient(180deg, #fff7fb 0%, #fff0f7 42%, #f5f8ff 100%);
  line-height: 1.7;
  padding-bottom: 88px;
}

a { color: #b72c70; text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }
button { font: inherit; cursor: pointer; }

.wrap {
  width: min(100%, 740px);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(12px);
  background: rgba(255, 247, 251, 0.92);
  border-bottom: 1px solid rgba(246, 215, 231, 0.9);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 58px;
  padding: 0 16px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ink);
  font-weight: 900;
  font-size: 18px;
  text-decoration: none;
}

.logo img,
.logo-img {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  object-fit: cover;
  display: block;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.18);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  font-size: 13px;
  font-weight: 800;
}

.nav a { color: #7c1d52; text-decoration: none; }
.nav a:hover { color: var(--rose); }

.hero {
  position: relative;
  overflow: hidden;
  padding: 36px 16px 28px;
  color: #fff;
  background:
    radial-gradient(circle at 15% 8%, rgba(255,255,255,0.22), transparent 22%),
    linear-gradient(135deg, #7c1d52 0%, #d9356f 48%, #9b5cf6 100%);
  border-radius: 0 0 28px 28px;
  box-shadow: 0 20px 48px rgba(216, 50, 128, 0.18);
}

.crumb { font-size: 12px; font-weight: 700; color: rgba(255,255,255,0.78); margin-bottom: 10px; }
.crumb a { color: #ffd1e2; text-decoration: none; }

.brand-h1 {
  font-size: clamp(34px, 10vw, 48px);
  line-height: 1.1;
  font-weight: 950;
  letter-spacing: 0.04em;
}

.hero-lead {
  margin-top: 12px;
  font-size: 18px;
  font-weight: 850;
  color: #ffd1e2;
}

.hero-desc {
  margin-top: 10px;
  max-width: 34em;
  color: rgba(255,255,255,0.9);
  font-size: 14px;
}

.hero-tags {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 18px;
}

.hero-tags div {
  border-radius: 14px;
  padding: 10px 8px;
  text-align: center;
  background: rgba(255,255,255,0.14);
  border: 1px solid rgba(255,255,255,0.22);
}

.hero-tags strong { display: block; font-size: 15px; }
.hero-tags span { display: block; margin-top: 3px; font-size: 11px; color: rgba(255,255,255,0.78); }

.hero-actions {
  margin-top: 18px;
  display: grid;
  gap: 10px;
  max-width: 420px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  border: 0;
  border-radius: 999px;
  padding: 0 18px;
  font-size: 17px;
  font-weight: 950;
  text-decoration: none;
}

.btn-primary {
  color: #7c1d52;
  background: linear-gradient(180deg, #ffffff, #fff1f7);
  box-shadow: 0 12px 26px rgba(0,0,0,0.16);
  animation: breath 1.8s ease-in-out infinite;
}

.btn-ghost {
  color: #fff;
  background: rgba(255,255,255,0.14);
  border: 1px solid rgba(255,255,255,0.32);
}

@keyframes breath {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.03); }
}

.section {
  padding: 22px 16px 0;
}

.card {
  border: 1px solid rgba(255, 209, 226, 0.95);
  border-radius: 22px;
  padding: 18px 16px;
  background: rgba(255,255,255,0.9);
  box-shadow: 0 16px 38px rgba(216, 50, 128, 0.08);
}

.card + .card { margin-top: 14px; }

.section-title {
  font-size: 22px;
  line-height: 1.25;
  font-weight: 950;
  background: linear-gradient(135deg, #d9356f, #9b5cf6);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-align: center;
}

.section-sub {
  margin-top: 6px;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

.entity {
  margin-top: 14px;
  padding: 12px 14px;
  border-left: 3px solid var(--rose);
  background: #fff7fb;
  font-size: 14px;
  color: #374151;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 14px;
}

.feature {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 14px 10px;
  text-align: center;
  background: linear-gradient(180deg, #fff, #fffafd);
}

.feature h3 { font-size: 15px; margin-bottom: 6px; }
.feature p { color: #4b5563; font-size: 13px; }

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 14px;
}

.step {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 14px 10px;
  text-align: center;
  background: #fff;
}

.step-num {
  display: inline-flex;
  width: 34px;
  height: 34px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  color: #fff;
  background: linear-gradient(135deg, #ff5aa6, #9b5cf6);
  font-weight: 950;
}

.step h3 { margin-top: 8px; font-size: 15px; }
.step p { margin-top: 6px; color: #4b5563; font-size: 13px; }

.notice {
  margin-top: 12px;
  border-left: 3px solid #d9356f;
  border-radius: 8px;
  padding: 10px 12px;
  color: #7c4a03;
  background: #fff8e8;
  font-size: 13px;
}

.faq details {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px 14px;
  background: #fff;
  text-align: left;
}

.faq details + details { margin-top: 8px; }
.faq summary {
  cursor: pointer;
  list-style: none;
  font-weight: 900;
  font-size: 15px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; float: right; color: var(--rose); }
.faq details[open] summary::after { content: "-"; }
.faq p { margin-top: 8px; color: #4b5563; font-size: 13px; }

.site-footer {
  margin-top: 28px;
  padding: 24px 16px 20px;
  color: var(--muted);
  font-size: 12px;
  text-align: center;
  border-top: 1px solid var(--line);
  background: rgba(255,255,255,0.55);
}

.site-footer strong {
  display: block;
  color: var(--ink);
  font-size: 14px;
  margin-bottom: 6px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 12px;
  margin: 12px 0;
}

.footer-beian {
  margin-top: 10px;
  line-height: 1.9;
  color: #6b7280;
}

.footer-beian a {
  color: #6b7280;
  text-decoration: none;
}

.footer-beian a:hover {
  color: #b72c70;
  text-decoration: underline;
}

.footer-legal {
  margin-top: 8px;
  color: #9ca3af;
  font-size: 11px;
}

.fixed-bar {
  position: fixed;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 50;
  width: min(100%, 740px);
  margin: 0 auto;
  padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
  background: linear-gradient(180deg, rgba(255,255,255,0.97), rgba(255,247,251,0.96));
  border-top: 1px solid rgba(255,209,226,0.95);
  border-radius: 22px 22px 0 0;
  box-shadow: 0 -16px 40px rgba(216, 50, 128, 0.2);
}

.fixed-bar .note {
  margin-bottom: 8px;
  color: #9d2865;
  font-size: 11px;
  font-weight: 900;
  text-align: center;
}

.fixed-bar .btn-primary {
  width: 100%;
  color: #fff;
  background: linear-gradient(135deg, #ff5aa6 0%, #e83985 48%, #9b5cf6 100%);
  box-shadow: 0 12px 28px rgba(216, 50, 128, 0.36);
}

.weixin-tip {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 14px;
  background: rgba(15, 23, 42, 0.54);
  color: #fff;
  text-align: center;
}

.tip-box {
  width: min(92vw, 420px);
  border-radius: 10px;
  padding: 24px 18px;
  background: #111827;
}

.tip-arrow { position: fixed; top: 14px; right: 20px; font-size: 34px; }

@media (max-width: 560px) {
  .grid-3, .steps, .hero-tags { grid-template-columns: 1fr; }
  .nav { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .btn-primary { animation: none; }
  html { scroll-behavior: auto; }
}