@charset "UTF-8";

:root {
  --navy: #0b1430;
  --deep: #07101f;
  --cyan: #2ee6d6;
  --magenta: #ff3d8a;
  --paper: #f3f6ff;
  --mist: #e6ecfb;
  --ink: #12182b;
  --mute: #5d6680;
  --line: rgba(18, 24, 43, 0.12);
  --nav-shadow: 2px 2px 0 rgba(7, 16, 31, 0.45);
  --print-shadow: 6px 6px 0 rgba(46, 230, 214, 0.35), -4px 8px 0 rgba(255, 61, 138, 0.22);
  --header-h: 76px;
  --content: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }
body {
  margin: 0;
  min-width: 320px;
  padding-top: var(--header-h);
  color: var(--ink);
  background: var(--paper);
  font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
p, h1, h2, h3, figure { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
.frame { width: min(calc(100% - 40px), var(--content)); margin: 0 auto; }

.topbar {
  position: fixed; z-index: 1000; top: 0; right: 0; left: 0; height: var(--header-h);
  background: var(--navy);
  border-bottom: 1px solid rgba(46, 230, 214, 0.28);
}
.topbar-frame { display: flex; height: 100%; align-items: center; justify-content: space-between; gap: 16px; }
.brand { display: inline-flex; align-items: center; gap: 11px; }
.brand img { width: 48px; height: 48px; object-fit: contain; background: #fff; box-shadow: var(--nav-shadow); }
.brand span { display: grid; line-height: 1.2; }
.brand strong { color: #fff; font-size: 18px; }
.brand small { color: #8ea0c4; font-size: 12px; }
.main-menu ul { display: flex; gap: 26px; }
.main-menu a { position: relative; display: block; padding: 26px 0 22px; color: #d7def0; font-size: 14px; font-weight: 700; }
.main-menu a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 14px; height: 2px;
  background: var(--cyan); transform: scaleX(0);
}
.main-menu a:hover, .main-menu a.current { color: var(--cyan); }
.main-menu a:hover::after, .main-menu a.current::after { transform: scaleX(1); }
.header-get, .mobile-get, .get-btn, .opening-action a {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 42px; padding: 0 18px; background: var(--cyan); color: var(--navy);
  font-weight: 800; box-shadow: var(--nav-shadow);
}
.header-get:hover, .opening-action a:hover, .get-btn:hover { background: #6ff3e6; }
.mobile-controls { display: none; align-items: center; gap: 8px; }
.nav-switch { width: 42px; height: 42px; display: grid; place-content: center; gap: 5px; border: 1px solid #33466e; }
.nav-switch i { display: block; width: 18px; height: 2px; background: #fff; }

.opening {
  position: relative;
  overflow: hidden;
  min-height: 720px;
  color: #fff;
  background:
    radial-gradient(circle at 82% 18%, rgba(255, 61, 138, 0.22), transparent 26%),
    radial-gradient(circle at 12% 72%, rgba(46, 230, 214, 0.16), transparent 28%),
    repeating-linear-gradient(90deg, rgba(255,255,255,0.03) 0 1px, transparent 1px 28px),
    var(--deep);
}
.opening::before {
  content: "";
  position: absolute; inset: auto -40px -80px auto;
  width: 280px; height: 280px;
  border: 16px solid rgba(46, 230, 214, 0.12);
  transform: rotate(18deg);
}
.opening-frame {
  position: relative;
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 48px;
  align-items: center;
  min-height: 720px;
  padding: 64px 0;
}
.overline { color: var(--cyan); font-size: 12px; font-weight: 800; letter-spacing: 0.2em; }
.opening h1 { margin-top: 10px; font-size: clamp(48px, 6vw, 78px); line-height: 1; }
.opening-kicker { margin-top: 14px; color: var(--magenta); font-size: 22px; font-weight: 800; }
.opening-lead { max-width: 36em; margin-top: 16px; color: #b8c4de; }
.channel-keys { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.channel-keys button {
  min-height: 40px; padding: 0 14px;
  border: 1px solid #35507c; color: #d7def0; font-weight: 800;
}
.channel-keys .is-on { background: var(--cyan); color: var(--navy); border-color: var(--cyan); }
.channel-note { margin-top: 10px; color: var(--cyan); font-size: 13px; font-weight: 800; }
.opening-action { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; margin-top: 26px; }
.opening-action a { min-width: 190px; padding: 14px 24px; }
.opening-action span { color: #8490ab; font-size: 12px; }

.mixer {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 148px;
  gap: 16px;
  padding: 18px;
  background: linear-gradient(160deg, #16244a, #0a1328 72%);
  border: 1px solid #3a5a8c;
  box-shadow: var(--print-shadow);
}
.mixer::after {
  content: "";
  position: absolute; inset: 8px;
  border: 1px dashed rgba(46, 230, 214, 0.18);
  pointer-events: none;
}
.phone {
  position: relative;
  z-index: 1;
  padding: 14px 12px 16px;
  background: #050a16;
  border: 1px solid #31466f;
  animation: floaty 5.4s ease-in-out infinite;
}
.phone b { display: block; width: 68px; height: 8px; margin: 0 auto 10px; border-radius: 99px; background: #2a3b5c; }
.phone img { width: 100%; height: auto; max-height: 420px; object-fit: contain; background: #000; }
.faders {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 10px;
  align-content: center;
}
.faders li {
  display: grid;
  justify-items: center;
  gap: 8px;
  padding: 10px 6px;
  background: rgba(7, 16, 31, 0.7);
  border: 1px solid #35507c;
  color: #9fb3d8;
  font-size: 11px;
  font-weight: 800;
}
.faders i {
  width: 10px; height: 72px;
  background: linear-gradient(180deg, var(--cyan), #16324a);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.12);
}
.faders .ch-b i { background: linear-gradient(180deg, var(--magenta), #4a1632); height: 54px; }
.faders .ch-c i { background: linear-gradient(180deg, #f4f7ff, #3a4a78); height: 40px; }
.float-chip {
  position: absolute; z-index: 2;
  padding: 8px 12px;
  background: var(--magenta); color: #fff;
  font-size: 12px; font-weight: 800;
  box-shadow: 2px 2px 0 rgba(7,16,31,.4);
}
.float-chip.c1 { left: 22px; top: 18px; }
.float-chip.c2 { right: 158px; bottom: 26px; background: var(--cyan); color: var(--navy); }

.channels { padding: 84px 0; background: var(--mist); }
.block-head { margin-bottom: 28px; }
.block-head p { color: #1a8f86; font-size: 12px; font-weight: 800; letter-spacing: 0.16em; }
.block-head.dark p { color: var(--cyan); }
.block-head h2 { margin-top: 8px; font-size: clamp(28px, 4vw, 40px); }
.freq-stack { display: grid; gap: 14px; }
.freq-stack article {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 18px;
  align-items: center;
  padding: 24px 28px;
  box-shadow: var(--print-shadow);
}
.freq-stack .ch-a { width: 100%; background: var(--navy); color: #fff; }
.freq-stack .ch-b { width: 88%; margin-left: 6%; background: var(--magenta); color: #fff; }
.freq-stack .ch-c { width: 76%; margin-left: 12%; background: #fff; }
.freq-stack span { font-size: 13px; font-weight: 900; letter-spacing: 0.12em; color: var(--cyan); }
.freq-stack .ch-b span { color: #ffe3f0; }
.freq-stack .ch-c span { color: var(--magenta); }
.freq-stack h3 { margin: 0; font-size: 22px; }
.freq-stack p { margin-top: 6px; color: #c5d0ea; }
.freq-stack .ch-c p { color: var(--mute); }
.freq-stack article:hover { transform: translateX(6px); }

.studio { padding: 84px 0; background: var(--deep); color: #f3f6ff; }
.studio .block-head h2 { color: #fff; }
.rack {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-areas:
    "main a"
    "b d";
  gap: 16px;
}
.rack figure {
  margin: 0;
  padding: 12px;
  background: #101a36;
  border: 1px solid #35507c;
  box-shadow: inset 0 0 0 4px #0a1328, 10px 12px 0 rgba(46, 230, 214, 0.12);
}
.rack .main { grid-area: main; }
.rack .a { grid-area: a; }
.rack .b { grid-area: b; }
.rack .d { grid-area: d; }
.bezel { position: relative; padding: 10px 8px 12px; background: #050a16; }
.bezel::before, .bezel::after {
  content: ""; position: absolute; width: 8px; height: 8px; border-radius: 50%; background: #4a608c;
}
.bezel::before { left: 8px; top: 8px; }
.bezel::after { right: 8px; top: 8px; }
.bezel img { width: 100%; height: auto; max-height: 420px; object-fit: contain; background: #000; }
.rack figcaption {
  display: flex; justify-content: space-between; margin-top: 10px;
  font-size: 13px; font-weight: 800; color: #9fb3d8;
}
.rack figcaption b { color: var(--cyan); }
.rack .main:hover .bezel, .rack .a:hover .bezel, .rack .b:hover .bezel, .rack .d:hover .bezel { transform: translateY(-5px); }

.faq { padding: 84px 0; background: var(--paper); }
.ticket-rail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.ticket {
  position: relative;
  padding: 24px 22px 22px;
  background: #fff;
  box-shadow: var(--print-shadow);
}
.ticket span {
  display: inline-block; margin-bottom: 8px;
  padding: 2px 8px; background: var(--navy); color: var(--cyan);
  font-size: 11px; font-weight: 900; letter-spacing: 0.08em;
}
.ticket h3 { font-size: 18px; color: var(--ink); }
.ticket p { margin-top: 8px; color: var(--mute); }
.ticket:hover { transform: translateY(-4px); }

.reviews { padding: 84px 0 36px; background: var(--mist); }
.captions { display: grid; gap: 12px; }
.captions article {
  display: grid;
  grid-template-columns: 168px 1fr 88px;
  gap: 16px;
  align-items: start;
  padding: 16px 18px;
  background: var(--navy);
  color: #e8eefc;
  box-shadow: 8px 0 0 var(--magenta);
}
.captions article:first-child { background: #14224a; box-shadow: 8px 0 0 var(--cyan); }
.captions time {
  color: var(--cyan);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.04em;
}
.captions p { margin: 0; }
.captions span { color: #8ea0c4; font-size: 12px; font-weight: 800; text-align: right; }

.download { padding: 12px 0 88px; background: var(--paper); }
.go-bank {
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: 240px;
  overflow: hidden;
  background: var(--navy);
  color: #fff;
  border: 1px solid #35507c;
  box-shadow: var(--print-shadow);
}
.meter {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  padding: 28px 20px;
  background:
    repeating-linear-gradient(180deg, rgba(46,230,214,.08) 0 2px, transparent 2px 10px),
    #0a1328;
}
.meter i {
  align-self: end;
  width: 100%;
  background: var(--cyan);
}
.meter i:nth-child(1) { height: 78%; }
.meter i:nth-child(2) { height: 54%; background: var(--magenta); }
.meter i:nth-child(3) { height: 36%; background: #f3f6ff; }
.go-copy { padding: 36px 36px 32px; }
.go-copy small {
  display: inline-block; margin-bottom: 10px;
  padding: 4px 10px; background: var(--magenta); font-size: 11px; font-weight: 900; letter-spacing: 0.14em;
}
.go-copy h2 { font-size: clamp(26px, 3vw, 36px); }
.go-copy p { max-width: 42ch; margin: 10px 0 20px; color: #b8c4de; }
.go-bank .get-btn { min-width: 180px; min-height: 48px; background: var(--cyan); color: var(--navy); }
.go-bank .get-btn:hover { background: #6ff3e6; }

.site-footer { padding: 34px 0 18px; background: #ff3d8a; color: #fff7fb; }
.footer-shell { display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.footer-shell .brand strong, .footer-shell .brand small { color: #fff; }
.footer-shell .brand small { opacity: 0.82; }
.footer-shell nav { display: flex; flex-wrap: wrap; gap: 16px; font-size: 13px; font-weight: 800; }
.footer-shell nav a:hover { color: var(--navy); }
.copy { width: min(calc(100% - 40px), var(--content)); margin: 14px auto 0; color: rgba(255,255,255,.78); font-size: 12px; }

.back-top {
  position: fixed; right: 24px; bottom: 24px; z-index: 60; width: 46px; height: 46px;
  display: grid; place-items: center; visibility: hidden; opacity: 0;
  background: var(--cyan); box-shadow: var(--nav-shadow);
}
.back-top::before {
  content: ""; width: 12px; height: 12px;
  border-left: 2px solid var(--navy); border-top: 2px solid var(--navy);
  transform: translateY(3px) rotate(45deg);
}
.back-top.is-visible { visibility: visible; opacity: 1; }

@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@media (max-width: 980px) {
  .header-get { display: none; }
  .mobile-controls { display: flex; }
  .main-menu { position: fixed; top: var(--header-h); right: 0; left: 0; display: none; background: #0b1430; }
  .main-menu.is-open { display: block; }
  .main-menu ul { flex-direction: column; gap: 0; padding: 8px 20px 16px; }
  .main-menu a { padding: 12px 0; }
  .opening-frame { display: flex; flex-direction: column; gap: 28px; min-height: 0; padding: 44px 0; }
  .opening-copy { text-align: center; }
  .opening-lead, .opening-action { margin-inline: auto; align-items: center; }
  .channel-keys { justify-content: center; }
  .mixer { grid-template-columns: 1fr; }
  .faders { grid-template-columns: repeat(3, 1fr); }
  .faders i { height: 48px !important; }
  .float-chip.c2 { right: 16px; }
  .freq-stack .ch-a, .freq-stack .ch-b, .freq-stack .ch-c { width: 100%; margin: 0; }
  .rack, .ticket-rail, .captions article, .go-bank, .footer-shell { grid-template-columns: 1fr; }
  .rack { grid-template-areas: none; }
  .rack .main, .rack .a, .rack .b, .rack .d { grid-area: auto; }
  .captions article { grid-template-columns: 1fr; }
  .captions span { text-align: left; }
  .go-bank { grid-template-columns: 1fr; }
  .meter { min-height: 92px; }
  .opening-action a, .get-btn { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .phone, .freq-stack article, .rack .main:hover .bezel, .ticket { animation: none; transform: none !important; }
}