@charset "UTF-8";

:root {
  --navy: #0b1220;
  --desk: #141c2e;
  --moon: #c9d4ff;
  --lamp: #d4a574;
  --foam: #eef2ff;
  --mute: #9aa6c4;
  --bar: 74px;
  --nav-shadow: 2px 2px 0 rgba(212, 165, 116, 0.35);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  padding-top: var(--bar);
  background: var(--navy);
  color: var(--foam);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
}
body.menu-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
.screen-reader {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
}
.page-shell { width: min(calc(100% - 36px), 1120px); margin: 0 auto; }

.topbar {
  position: fixed;
  z-index: 40;
  inset: 0 0 auto;
  height: var(--bar);
  background: rgba(11, 18, 32, 0.94);
  border-bottom: 1px solid #243044;
}
.topbar-frame {
  width: min(calc(100% - 36px), 1120px);
  height: 100%;
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  column-gap: 20px;
}
.brand-mark { display: flex; align-items: center; gap: 10px; min-width: 0; }
.brand-mark img {
  width: 40px; height: 40px;
  object-fit: contain;
  background: #fff;
  border-radius: 10px;
  box-shadow: var(--nav-shadow);
}
.brand-mark strong { display: block; }
.brand-mark small { color: var(--mute); font-size: 12px; }
.main-menu {
  min-width: 0;
  justify-self: center;
}
.main-menu ul {
  display: flex;
  flex-wrap: nowrap;
  justify-content: center;
  gap: 22px;
  font-size: 14px;
  font-weight: 800;
}
.main-menu a { white-space: nowrap; }
.desk-get {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  padding: 0 14px;
  color: var(--navy);
  background: var(--lamp);
  font-weight: 800;
  font-size: 13px;
  box-shadow: var(--nav-shadow);
  white-space: nowrap;
  justify-self: end;
}
.main-menu a.current, .main-menu a:hover { color: var(--lamp); }
.mobile-controls { display: none; margin-left: auto; align-items: center; gap: 8px; }
.mobile-get {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  padding: 0 12px;
  color: var(--navy);
  background: var(--lamp);
  font-weight: 800;
  font-size: 13px;
  box-shadow: var(--nav-shadow);
}
.nav-switch {
  width: 40px; height: 40px;
  border: 1px solid #243044;
  display: grid;
  place-items: center;
}
.nav-switch i, .nav-switch i::before, .nav-switch i::after {
  display: block;
  width: 16px; height: 2px;
  background: var(--moon);
}
.nav-switch i { position: relative; }
.nav-switch i::before, .nav-switch i::after {
  content: "";
  position: absolute;
  left: 0;
}
.nav-switch i::before { top: -5px; }
.nav-switch i::after { top: 5px; }

.opening-stage { padding: 48px 0 56px; }
.opening-frame {
  width: min(calc(100% - 36px), 1120px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 380px);
  gap: 24px;
  align-items: center;
}
.overline { margin: 0 0 10px; color: var(--lamp); font-size: 12px; font-weight: 800; letter-spacing: 0.14em; }
h1 { margin: 0; font-size: clamp(48px, 7vw, 78px); line-height: 0.95; }
.opening-copy h2 { margin: 12px 0 14px; font-size: clamp(22px, 3vw, 30px); }
.opening-lead { margin: 0 0 22px; color: var(--mute); max-width: 520px; }
.opening-action { display: flex; flex-wrap: wrap; gap: 10px; }
.opening-action a, .get-bar a {
  display: inline-flex;
  min-height: 50px;
  min-width: 148px;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  font-weight: 900;
}
.opening-action a:first-child { color: var(--navy); background: var(--lamp); box-shadow: 5px 5px 0 #060910; }
.opening-action a.ghost { border: 2px solid var(--moon); color: var(--moon); }
.opening-action a.ghost:hover { background: var(--moon); color: var(--navy); }
.opening-action a.ghost.dark { border-color: var(--navy); color: var(--navy); }
.opening-action a.ink { color: var(--foam); background: var(--navy); }
.page-cap { margin: 14px 0 0; color: var(--mute); font-size: 12px; }
.opening-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 0; }
.opening-tags span {
  padding: 6px 10px;
  border: 1px solid #243044;
  font-size: 12px;
  font-weight: 800;
}

.remix-console {
  background: var(--desk);
  border: 1px solid #2a3a58;
  padding: 12px;
}
.console-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
  font-size: 12px;
  font-weight: 800;
  color: var(--lamp);
}
.console-head p { display: flex; gap: 5px; margin: 0; }
.console-head i { width: 8px; height: 8px; border-radius: 50%; background: var(--moon); }
.console-phone { margin: 0 auto; width: min(100%, 220px); }
.console-phone img { width: 100%; height: auto; max-height: 400px; object-fit: cover; }
.console-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 12px;
  gap: 10px;
}
.console-footer > p { display: flex; gap: 6px; margin: 0; }
.console-footer > p span { width: 18px; height: 4px; background: #2a3a58; }
.console-footer > button {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--lamp);
}
.console-footer > button.playing { background: var(--moon); }
.level-meter { display: flex; gap: 3px; align-items: flex-end; height: 18px; }
.level-meter i { width: 4px; background: var(--moon); animation: meter 1.2s ease-in-out infinite; }
.level-meter i:nth-child(2) { height: 8px; animation-delay: .1s; }
.level-meter i:nth-child(3) { height: 14px; animation-delay: .2s; }
.level-meter i:nth-child(4) { height: 10px; animation-delay: .3s; }
.level-meter i:nth-child(5) { height: 16px; animation-delay: .15s; }
.level-meter i:nth-child(1), .level-meter i:nth-child(6) { height: 6px; }
@keyframes meter { 50% { transform: scaleY(0.5); } }

.studio-section { padding: 64px 0; background: #10182a; }
.section-title { display: grid; grid-template-columns: auto 1fr; gap: 12px 16px; margin-bottom: 28px; }
.section-title > span { color: var(--lamp); font-size: 28px; font-weight: 900; }
.section-title p { margin: 0; color: var(--lamp); font-size: 12px; font-weight: 800; letter-spacing: 0.14em; }
.section-title h2 { margin: 4px 0 6px; font-size: 30px; }
.section-title div p:last-child { color: var(--mute); letter-spacing: 0; font-weight: 400; font-size: 15px; }
.studio-flow { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.studio-flow article {
  padding: 20px 18px;
  background: var(--desk);
  border-top: 3px solid var(--lamp);
  transition: transform 180ms ease;
}
.studio-flow article:hover { transform: translateY(-3px); }
.studio-flow span { color: var(--moon); font-weight: 900; }
.studio-flow h3 { margin: 8px 0; }
.studio-flow p { margin: 0; color: var(--mute); font-size: 14px; }

.radar-section { padding: 64px 0; background: #1a1630; }
.weekly-board { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 16px; }
.weekly-board button {
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid #3a3358;
  font-weight: 800;
}
.weekly-board button.selected { background: var(--lamp); color: var(--navy); }
.radar-note { margin: 0; max-width: 640px; color: var(--mute); }

.iface-section { padding: 64px 0; background: #0e1524; }
.shot-row { display: flex; flex-wrap: wrap; gap: 16px; }
.shot-row figure { margin: 0; padding: 10px; background: var(--desk); }
.shot-row img { width: 188px; height: auto; margin: 0 auto; }
.shot-row figcaption { margin-top: 8px; text-align: center; font-weight: 800; font-size: 13px; }

.help-section { padding: 64px 0; background: #243044; }
.question-list { display: grid; gap: 8px; }
.question-list button {
  display: flex;
  width: 100%;
  min-height: 58px;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  text-align: left;
  font-weight: 800;
  background: #2d3c56;
}
.question-list button:hover { color: var(--lamp); }
.question-list div { padding: 0 16px 16px; color: #d5deea; background: #2d3c56; }

.note-section { padding: 64px 0; background: var(--navy); }
.note-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.note-grid article {
  padding: 18px 16px;
  background: var(--desk);
  border-left: 4px solid var(--moon);
}
.note-grid time { display: block; margin-bottom: 8px; color: var(--lamp); font-size: 12px; font-weight: 800; }
.note-grid p { margin: 0 0 12px; }
.note-grid span { font-size: 13px; font-weight: 800; }

.get-section { padding: 28px 0; background: var(--lamp); color: var(--navy); }
.get-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 24px;
  background: #e2c09a;
  border: 2px solid var(--navy);
}
.get-bar .overline { color: #6a4a2a; }
.get-bar h2 { margin: 0 0 6px; }
.get-bar p { margin: 0; }

.site-foot { padding: 32px 0 18px; background: #060910; }
.foot-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.site-foot nav { display: flex; flex-wrap: wrap; gap: 16px; font-size: 13px; font-weight: 800; }
.site-foot nav a:hover { color: var(--lamp); }
.copy { width: min(calc(100% - 36px), 1120px); margin: 14px auto 0; color: #7d889c; font-size: 12px; }

.back-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 44px; height: 44px;
  visibility: hidden;
  opacity: 0;
  background: var(--lamp);
}
.back-top.visible { visibility: visible; opacity: 1; }

@media (max-width: 860px) {
  .topbar-frame { grid-template-columns: 1fr auto; }
  .main-menu {
    position: fixed;
    top: var(--bar);
    right: 0; left: 0;
    display: none;
    background: var(--desk);
    border-bottom: 1px solid #243044;
    justify-self: stretch;
  }
  .desk-get { display: none; }
  .mobile-controls { display: flex; }
  .main-menu.open { display: block; }
  .main-menu ul { flex-direction: column; gap: 0; padding: 8px 18px 16px; }
  .main-menu a { display: block; padding: 12px 0; border-bottom: 1px solid #243044; }
  .opening-frame { display: flex; flex-direction: column; gap: 28px; }
  .opening-copy { text-align: center; }
  .opening-lead { margin-inline: auto; }
  .opening-action, .opening-tags { justify-content: center; }
  .studio-flow, .note-grid, .get-bar, .foot-row { display: grid; grid-template-columns: 1fr; }
  .opening-action a, .get-bar a { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .level-meter i, .studio-flow article { animation: none; transition: none; }
}