:root {
  --ink: #1d1528;
  --muted: #756d7e;
  --line: rgba(35, 22, 47, .11);
  --paper: #fbf9f6;
  --orange: #ff7b32;
  --pink: #f14e88;
  --purple: #6a2b8c;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

.header {
  width: min(1120px, calc(100% - 40px));
  height: 76px;
  margin: 16px auto;
  padding: 0 18px;
  display: flex;
  align-items: center;
  gap: 28px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 255, 255, .8);
  backdrop-filter: blur(16px);
}
.brand { display: flex; align-items: center; gap: 11px; }
.brand img { width: 46px; height: 46px; border-radius: 13px; }
.brand span { display: grid; gap: 1px; }
.brand strong { font-size: 17px; letter-spacing: .08em; }
.brand small { color: var(--muted); font-size: 11px; letter-spacing: .12em; }
.header nav { display: flex; gap: 30px; margin-left: auto; color: #534b5c; font-size: 13px; }
.header nav a:hover { color: var(--orange); }
.header-link { padding: 11px 15px; color: #fff; background: #23132f; border-radius: 12px; font-size: 12px; }

.hero {
  width: min(1120px, calc(100% - 40px));
  min-height: 590px;
  margin: 0 auto;
  padding: 80px 68px;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 58px;
  align-items: center;
  color: #fff;
  border-radius: 34px;
  overflow: hidden;
  background:
    radial-gradient(circle at 86% 90%, rgba(255, 78, 125, .38), transparent 32%),
    linear-gradient(135deg, #120825, #2d1041 58%, #4d165e);
  box-shadow: 0 28px 80px rgba(47, 20, 67, .17);
}
.eyebrow { color: #e5d7ec; font-size: 12px; letter-spacing: .18em; }
.hero h1 { margin: 24px 0; font-size: clamp(44px, 6vw, 68px); line-height: 1.14; letter-spacing: -.05em; }
.hero h1 em { font-style: normal; color: transparent; background: linear-gradient(90deg, #ff9a47, #ff5b86 58%, #da69ff); background-clip: text; -webkit-background-clip: text; }
.hero-copy > p { max-width: 570px; color: #d0c2d7; line-height: 1.85; font-size: 15px; }
.hero-actions { display: flex; gap: 12px; margin-top: 30px; }
.button { min-width: 132px; padding: 14px 19px; text-align: center; border-radius: 13px; font-size: 13px; }
.button.primary { background: #fff; color: #281235; font-weight: 650; }
.button.secondary { border: 1px solid rgba(255,255,255,.24); background: rgba(255,255,255,.07); }

.hero-panel { min-height: 410px; padding: 34px; position: relative; border: 1px solid rgba(255,255,255,.17); border-radius: 30px; background: rgba(255,255,255,.08); backdrop-filter: blur(16px); }
.panel-brand { display: flex; align-items: center; gap: 14px; position: relative; z-index: 2; }
.panel-brand img { width: 62px; height: 62px; border-radius: 18px; }
.panel-brand span { display: grid; gap: 3px; }.panel-brand small { color: #cabbd2; }.panel-brand strong { font-size: 24px; }
.hero-panel ul { margin: 42px 0 0; padding: 0; display: grid; gap: 14px; list-style: none; position: relative; z-index: 2; }
.hero-panel li { padding: 17px; display: flex; align-items: center; gap: 14px; border-radius: 17px; background: rgba(9, 4, 18, .22); }
.hero-panel li i { width: 38px; height: 38px; flex: 0 0 auto; border-radius: 50%; box-shadow: 0 0 0 7px rgba(255,255,255,.04); }
.hero-panel li i.orange { background: linear-gradient(135deg, #ffc079, var(--orange)); }
.hero-panel li i.pink { background: linear-gradient(135deg, #ffb5d0, var(--pink)); }
.hero-panel li i.purple { background: linear-gradient(135deg, #e0a8ff, #9344bb); }
.hero-panel li span { display: grid; gap: 3px; }.hero-panel li strong { font-size: 14px; }.hero-panel li small { color: #c8b9d0; font-size: 11px; }
.orb { position: absolute; border-radius: 50%; filter: blur(4px); }
.orb-one { width: 150px; height: 150px; right: -50px; top: -50px; background: radial-gradient(circle, rgba(255,116,65,.5), transparent 70%); }
.orb-two { width: 180px; height: 180px; left: -80px; bottom: -70px; background: radial-gradient(circle, rgba(207,78,255,.34), transparent 70%); }

.section { width: min(1040px, calc(100% - 40px)); margin: 110px auto; scroll-margin-top: 24px; }
.section-title { max-width: 650px; margin: 0 auto 44px; text-align: center; }
.section-title.left { margin: 0; text-align: left; }
.section-title > span { color: var(--orange); font-size: 11px; font-weight: 700; letter-spacing: .2em; }
.section-title h2 { margin: 13px 0 12px; font-size: clamp(32px, 4vw, 46px); line-height: 1.24; letter-spacing: -.045em; }
.section-title p { margin: 0; color: var(--muted); line-height: 1.75; }

.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.feature-card { overflow: hidden; border: 1px solid var(--line); border-radius: 26px; background: #fff; box-shadow: 0 17px 45px rgba(49, 26, 64, .07); }
.screen { height: 340px; padding: 22px 22px 0; overflow: hidden; background: linear-gradient(150deg, #231033, #511d67); }
.screen img { width: 100%; border: 7px solid #0d0814; border-bottom: 0; border-radius: 30px 30px 0 0; }
.feature-copy { padding: 25px; }.feature-copy > span { color: #aaa0af; font-size: 11px; }.feature-copy h3 { margin: 17px 0 10px; font-size: 20px; }.feature-copy p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.75; }

.faq { display: grid; grid-template-columns: .75fr 1.25fr; gap: 72px; align-items: start; }
.faq-list { border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary { min-height: 80px; display: grid; grid-template-columns: 1fr 28px; gap: 16px; align-items: center; cursor: pointer; list-style: none; font-weight: 650; font-size: 15px; }
summary::-webkit-details-marker { display: none; }
summary b { color: var(--orange); font-size: 20px; font-weight: 400; transition: transform .2s ease; }
details[open] summary b { transform: rotate(45deg); }
details p { margin: -4px 42px 25px 0; color: var(--muted); font-size: 13px; line-height: 1.85; }

.contact { padding: 58px; display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: center; color: #fff; border-radius: 30px; background: linear-gradient(130deg, #21102e, #4e1b63); }
.contact h2 { margin: 18px 0; font-size: clamp(32px, 4vw, 46px); line-height: 1.25; letter-spacing: -.04em; }
.contact > div:first-child > p { color: #d1c3d8; font-size: 13px; line-height: 1.8; }
.contact-card { padding: 27px; border: 1px solid rgba(255,255,255,.17); border-radius: 21px; background: rgba(255,255,255,.09); }
.contact-card small { color: #cbbdd2; font-size: 11px; letter-spacing: .08em; }
.contact-card a { display: flex; justify-content: space-between; gap: 16px; margin-top: 9px; font-size: 14px; font-weight: 650; word-break: break-all; }
.contact-card hr { height: 1px; margin: 22px 0; border: 0; background: rgba(255,255,255,.14); }

footer { width: min(1120px, calc(100% - 40px)); margin: 0 auto 30px; padding-top: 22px; display: flex; align-items: center; justify-content: space-between; border-top: 1px solid var(--line); color: var(--muted); font-size: 11px; }
.footer-brand img { width: 38px; height: 38px; border-radius: 11px; }.footer-brand strong { color: var(--ink); font-size: 14px; }

@media (max-width: 820px) {
  .header nav { display: none; }.header-link { margin-left: auto; }
  .hero { grid-template-columns: 1fr; padding: 58px 38px; }
  .hero-panel { min-height: auto; }
  .feature-grid { grid-template-columns: 1fr; }.feature-card { display: grid; grid-template-columns: .9fr 1.1fr; }.screen { height: 310px; }
  .faq { grid-template-columns: 1fr; gap: 32px; }
  .contact { grid-template-columns: 1fr; gap: 24px; }
}

@media (max-width: 560px) {
  .header { width: calc(100% - 24px); height: 68px; margin: 10px auto; padding: 0 12px; }.brand img { width: 40px; height: 40px; }.brand small { display: none; }.header-link { padding: 9px 11px; }
  .hero { width: calc(100% - 24px); padding: 44px 22px; border-radius: 26px; }.hero h1 { font-size: 42px; }.hero-actions { flex-direction: column; }
  .hero-panel { padding: 23px; }.panel-brand img { width: 52px; height: 52px; }.hero-panel ul { margin-top: 28px; }
  .section { width: calc(100% - 30px); margin: 82px auto; }
  .feature-card { display: block; }.screen { height: 330px; }
  .contact { padding: 34px 22px; }.contact-card { padding: 21px; }
  footer { width: calc(100% - 30px); flex-direction: column; gap: 18px; }.footer-brand small { display: block; }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }