:root {
  --rose: #f3268f;
  --rose-2: #ff6aa7;
  --ink: #241928;
  --muted: #715f75;
  --paper: rgba(255, 255, 255, .82);
  --line: rgba(84, 57, 88, .14);
  --teal: #18a999;
  --gold: #f2b84b;
  --plum: #6d3be8;
  --shadow: 0 22px 70px rgba(83, 39, 90, .18);
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: #fff7fb;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
.page-bg {
  position: fixed;
  inset: 0;
  z-index: -5;
  background:
    linear-gradient(135deg, rgba(255,255,255,.96), rgba(255,240,248,.9) 38%, rgba(245,249,255,.92)),
    url("/assets/hero-poster.png") right -160px top -260px / 520px auto no-repeat;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  width: min(1180px, calc(100% - 36px));
  margin: 18px auto 0;
  padding: 14px 16px;
  border: 1px solid rgba(255,255,255,.82);
  border-radius: 28px;
  background: rgba(255,255,255,.72);
  backdrop-filter: blur(18px);
  box-shadow: 0 10px 48px rgba(96, 48, 105, .10);
}
.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }
.brand img { width: 54px; height: 54px; border-radius: 16px; box-shadow: 0 8px 22px rgba(211, 38, 143, .24); }
.brand b { display: block; font-size: 24px; line-height: 1; }
.brand em { display: block; margin-top: 7px; font-style: normal; color: #675668; font-size: 13px; white-space: nowrap; }
.nav-links { display: flex; gap: 6px; padding: 4px; background: rgba(255,255,255,.58); border-radius: 18px; }
.nav-links a { padding: 10px 14px; border-radius: 14px; color: #66546b; font-weight: 800; }
.nav-links a:hover { background: white; color: var(--rose); }
.header-cta {
  padding: 12px 18px;
  border-radius: 18px;
  color: #fff;
  font-weight: 900;
  background: linear-gradient(135deg, var(--rose), var(--plum));
  box-shadow: 0 12px 30px rgba(166, 35, 160, .24);
}
.hero {
  width: min(1180px, calc(100% - 36px));
  margin: 34px auto 0;
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(420px, 1fr);
  gap: 38px;
  align-items: center;
  min-height: 710px;
}
.hero-copy { position: relative; z-index: 3; }
.trust-pill, .mini-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 18px;
  background: rgba(255,255,255,.78);
  border: 1px solid rgba(255,255,255,.9);
  color: #4f2b50;
  font-weight: 900;
  box-shadow: 0 10px 32px rgba(106, 51, 112, .10);
}
.trust-pill span {
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--teal);
  color: #fff;
}
.trust-pill em { font-style: normal; }
.top-notice { margin: 20px 0 0; font-size: 17px; color: var(--muted); font-weight: 800; }
h1 { margin: 18px 0 16px; font-size: clamp(50px, 7.2vw, 88px); line-height: .98; letter-spacing: 0; }
h1 span { color: #28182d; text-shadow: 0 6px 0 rgba(255,255,255,.58); }
h1 strong {
  display: inline-block;
  font-weight: 950;
  color: transparent;
  background: linear-gradient(90deg, var(--rose), var(--plum));
  -webkit-background-clip: text;
  background-clip: text;
  position: relative;
}
h1 strong::after {
  content: "";
  position: absolute;
  left: 8px;
  right: -14px;
  height: 10px;
  bottom: 6px;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--gold), var(--rose-2));
  opacity: .65;
  z-index: -1;
}
.hero-lead { max-width: 590px; color: #654f69; font-size: 20px; line-height: 1.75; margin: 0 0 20px; font-weight: 650; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 10px; margin: 20px 0 30px; }
.hero-tags span { padding: 10px 14px; border-radius: 16px; background: rgba(255,255,255,.72); border: 1px solid rgba(255,255,255,.9); color: #684a6f; font-weight: 850; }
.cta-group, .download-actions { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.btn {
  min-height: 58px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 26px;
  border: 0;
  border-radius: 18px;
  cursor: pointer;
  font-weight: 950;
  font-size: 18px;
  transition: transform .18s ease, box-shadow .18s ease, opacity .18s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { color: white; background: linear-gradient(135deg, var(--rose), var(--plum)); box-shadow: 0 18px 44px rgba(157, 35, 154, .28); }
.btn-icon { display: grid; place-items: center; width: 24px; height: 24px; border-radius: 50%; background: rgba(255,255,255,.18); }
.btn-ghost { color: #57365d; background: rgba(255,255,255,.78); border: 1px solid rgba(255,255,255,.9); box-shadow: 0 14px 38px rgba(95, 51, 104, .10); }
.platform-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin: 20px 0 0; max-width: 650px; }
.platform-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 76px;
  padding: 14px 16px;
  border-radius: 20px;
  background: rgba(255,255,255,.76);
  border: 1px solid rgba(255,255,255,.9);
  box-shadow: 0 14px 42px rgba(95, 51, 104, .10);
  transition: transform .18s ease, box-shadow .18s ease;
}
.platform-btn:hover { transform: translateY(-2px); box-shadow: 0 18px 44px rgba(95, 51, 104, .15); }
.platform-icon {
  width: 46px;
  height: 46px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 20px;
  font-weight: 950;
  background: linear-gradient(135deg, var(--teal), var(--plum));
}
.platform-btn b { display: block; font-size: 18px; }
.platform-btn small { display: block; margin-top: 4px; color: #79647e; }
.stats-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; max-width: 650px; margin-top: 20px; }
.stats-strip div { padding: 15px 12px; text-align: center; border-radius: 18px; background: rgba(255,255,255,.68); border: 1px solid rgba(255,255,255,.88); }
.stats-strip b { display: block; font-size: 24px; color: var(--rose); }
.stats-strip span { display: block; margin-top: 4px; color: #725879; font-weight: 750; }
.hero-visual { position: relative; min-height: 660px; }
.poster-card {
  position: absolute;
  inset: 0 auto auto 2%;
  width: min(520px, 82%);
  border-radius: 26px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transform: rotate(-1.4deg);
  border: 1px solid rgba(255,255,255,.8);
  background: white;
}
.poster-card img { display: block; width: 100%; height: auto; }
.phone-card {
  position: absolute;
  right: 0;
  top: 92px;
  width: 300px;
  height: 610px;
  border-radius: 38px;
  padding: 18px 16px 16px;
  background: rgba(255,255,255,.88);
  border: 8px solid #201325;
  box-shadow: 0 28px 80px rgba(54, 25, 61, .24);
  transform: rotate(3deg);
}
.phone-top, .phone-tabs, .phone-nav { display: flex; align-items: center; justify-content: space-between; }
.phone-top { color: #35233d; font-weight: 900; }
.phone-top i { width: 76px; height: 24px; border-radius: 99px; background: #17121a; }
.phone-tabs { margin-top: 18px; justify-content: flex-start; gap: 18px; font-weight: 900; color: #7f6887; }
.phone-tabs b { color: #33203b; position: relative; }
.phone-tabs b::after { content: ""; position: absolute; height: 3px; border-radius: 9px; left: 4px; right: 4px; bottom: -8px; background: var(--rose); }
.match-banner { margin: 22px 0 14px; padding: 18px; border-radius: 20px; background: linear-gradient(135deg, #fff3df, #ffe0ef); color: #d72a82; }
.match-banner strong, .match-banner small { display: block; }
.match-banner strong { font-size: 22px; }
.match-banner small { margin-top: 6px; font-weight: 750; }
.user-list { display: grid; gap: 10px; }
.user-item { display: grid; grid-template-columns: 54px 1fr 46px; align-items: center; gap: 10px; padding: 10px; border-radius: 18px; background: white; box-shadow: 0 8px 20px rgba(88, 28, 104, .08); }
.user-item i { width: 54px; height: 54px; border-radius: 16px; background: linear-gradient(135deg, #ffe1f2, #d8f7f1); position: relative; overflow: hidden; }
.user-item i::before { content: ""; position: absolute; width: 30px; height: 30px; left: 12px; top: 9px; border-radius: 50%; background: #ffc4dd; box-shadow: 0 28px 0 10px #f49dcc; }
.user-item b { display: block; font-size: 14px; }
.user-item small { display: block; color: #806b86; font-size: 11px; margin-top: 3px; }
.user-item em { justify-self: end; font-style: normal; color: var(--rose); font-weight: 900; font-size: 12px; }
.phone-nav { position: absolute; left: 16px; right: 16px; bottom: 15px; padding-top: 12px; border-top: 1px solid #f0d9e8; font-size: 12px; color: #8c718e; font-weight: 900; }
.online-strip, .download-panel, .features { width: min(1180px, calc(100% - 36px)); margin: 34px auto 0; }
.online-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 18px;
  border-radius: 22px;
  background: rgba(255,255,255,.7);
  border: 1px solid rgba(255,255,255,.9);
  box-shadow: 0 16px 44px rgba(92, 45, 99, .10);
}
.online-strip b { color: var(--rose); font-size: 20px; }
.online-strip span { color: #745d79; font-weight: 750; }
.avatar-stack { display: flex; }
.avatar-stack i { width: 38px; height: 38px; border-radius: 50%; border: 3px solid #fff; margin-left: -10px; background: linear-gradient(135deg, #ff9dcc, #9ae7d8); box-shadow: 0 6px 18px rgba(109, 45, 120, .14); }
.avatar-stack i:first-child { margin-left: 0; }
.section-title { text-align: center; margin-bottom: 22px; }
.section-title span { color: var(--rose); font-weight: 950; }
.section-title h2 { margin: 8px 0 0; font-size: clamp(28px, 4vw, 42px); letter-spacing: 0; }
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.feature-card { padding: 24px; border-radius: 22px; background: rgba(255,255,255,.74); border: 1px solid rgba(255,255,255,.9); box-shadow: 0 16px 42px rgba(92, 45, 99, .09); }
.feature-icon { width: 60px; height: 60px; border-radius: 18px; display: grid; place-items: center; font-size: 26px; font-weight: 950; color: #fff; background: linear-gradient(135deg, var(--rose), var(--teal)); }
.feature-card h3 { margin: 16px 0 10px; font-size: 22px; }
.feature-card p { margin: 0; color: #705a76; line-height: 1.7; font-weight: 650; }
.download-panel {
  display: flex;
  justify-content: space-between;
  gap: 22px;
  align-items: center;
  padding: 28px;
  border-radius: 24px;
  background: rgba(255,255,255,.78);
  border: 1px solid rgba(255,255,255,.92);
  box-shadow: var(--shadow);
}
.download-panel h2 { margin: 14px 0 8px; font-size: clamp(28px, 4vw, 44px); letter-spacing: 0; }
.download-panel p { margin: 0; color: #705a76; font-weight: 750; }
.site-footer { width: min(1180px, calc(100% - 36px)); margin: 40px auto 110px; padding: 22px 0; color: #806887; display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap; }
.brand.mini img { width: 44px; height: 44px; border-radius: 14px; }
.brand.mini b { font-size: 20px; }
.site-footer p { margin: 0; }
.record:empty { display: none; }
.footer-links { display: flex; gap: 14px; }
.footer-links a { font-weight: 800; color: #63456b; }
.sticky-download {
  position: fixed;
  left: 50%;
  bottom: max(18px, env(safe-area-inset-bottom));
  transform: translateX(-50%);
  z-index: 45;
  width: min(520px, calc(100% - 28px));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 10px 10px 10px 18px;
  border-radius: 22px;
  background: rgba(37, 22, 42, .9);
  color: white;
  box-shadow: 0 20px 60px rgba(45, 24, 50, .30);
  backdrop-filter: blur(16px);
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s ease;
}
.sticky-download.show { opacity: 1; pointer-events: auto; }
.sticky-download span { font-weight: 900; }
.sticky-download a { padding: 12px 18px; border-radius: 16px; background: linear-gradient(135deg, var(--rose), var(--plum)); font-weight: 950; }
.toast {
  position: fixed;
  left: 50%;
  bottom: 92px;
  transform: translate(-50%, 20px);
  z-index: 100;
  max-width: min(520px, calc(100% - 28px));
  padding: 13px 18px;
  border-radius: 18px;
  background: rgba(37, 22, 42, .94);
  color: #fff;
  font-weight: 850;
  opacity: 0;
  pointer-events: none;
  transition: .2s ease;
  box-shadow: 0 18px 55px rgba(50, 12, 65, .22);
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.browser-guide { position: fixed; inset: 0; z-index: 1000; display: grid; place-items: center; padding: 24px; background: rgba(37, 23, 44, .55); backdrop-filter: blur(16px); }
.guide-card { position: relative; width: min(510px, 100%); padding: 30px; border-radius: 24px; background: rgba(255,255,255,.96); box-shadow: 0 28px 88px rgba(34, 13, 42, .30); }
.guide-close { position: absolute; right: 18px; top: 14px; width: 34px; height: 34px; border: 0; border-radius: 50%; cursor: pointer; background: #f7eafa; color: #603b68; font-size: 22px; }
.guide-icon { width: 58px; height: 58px; display: grid; place-items: center; border-radius: 18px; color: #fff; font-size: 28px; font-weight: 950; background: linear-gradient(135deg, var(--rose), var(--teal)); margin-bottom: 18px; }
.guide-card strong { display: block; font-size: 26px; }
.guide-card p { margin: 14px 0 20px; color: #695370; line-height: 1.8; font-weight: 650; }
.guide-actions { display: flex; gap: 12px; }
.guide-actions button { flex: 1; min-height: 48px; border: 0; border-radius: 16px; cursor: pointer; font-weight: 950; color: #fff; background: linear-gradient(135deg, var(--rose), var(--plum)); }
.guide-actions button:first-child { background: #f2e5f4; color: #593463; }
.doc {
  width: min(900px, calc(100% - 32px));
  margin: 40px auto 90px;
  padding: 30px;
  border-radius: 24px;
  background: rgba(255,255,255,.82);
  line-height: 1.9;
  color: #5f4669;
  box-shadow: var(--shadow);
}
.doc h1 { font-size: 38px; letter-spacing: 0; line-height: 1.2; margin-top: 0; }
.doc h2 { margin-top: 28px; }
.doc a { color: var(--rose); font-weight: 900; }
@media (max-width: 980px) {
  .site-header { width: calc(100% - 24px); margin-top: 12px; }
  .nav-links { display: none; }
  .hero { width: calc(100% - 28px); grid-template-columns: 1fr; gap: 18px; min-height: 0; margin-top: 24px; }
  .hero-visual { min-height: 560px; }
  .poster-card { width: 78%; left: 0; }
  .phone-card { width: 255px; height: 520px; right: 0; top: 48px; transform: rotate(2deg); }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .download-panel { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 640px) {
  .site-header { padding: 10px; border-radius: 22px; }
  .brand img { width: 48px; height: 48px; }
  .brand b { font-size: 21px; }
  .brand em { font-size: 12px; }
  .header-cta { padding: 11px 13px; border-radius: 15px; }
  h1 { font-size: 52px; }
  .hero-lead { font-size: 17px; }
  .platform-row, .stats-strip, .feature-grid { grid-template-columns: 1fr; }
  .hero-visual { min-height: 460px; }
  .poster-card { width: 86%; opacity: .95; }
  .phone-card { width: 218px; height: 438px; padding: 12px; border-width: 6px; }
  .phone-top i { width: 58px; height: 18px; }
  .user-item { grid-template-columns: 42px 1fr 38px; padding: 8px; }
  .user-item i { width: 42px; height: 42px; }
  .online-strip { align-items: flex-start; flex-direction: column; }
  .site-footer { align-items: flex-start; flex-direction: column; margin-bottom: 120px; }
  .btn { width: 100%; }
  .cta-group, .download-actions { width: 100%; }
  .guide-actions { flex-direction: column; }
}