@charset "UTF-8";
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background: #000000;
  width: 100vw;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  font-family: "Nunito", "Varela Round", "Segoe UI Rounded", system-ui, sans-serif;
}

#c {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

/* ── 居中 UI 层 ── */
.ui-overlay {
  background: linear-gradient(180deg, rgba(0, 0, 0, 0) 0%, #000 45%, #000 55%, rgba(0, 0, 0, 0) 100%);
  width: 100%;
  height: 100%;
  position: relative;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
  transition: opacity 0.5s ease-out;
}

.ui-overlay-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

/* ── Logo ── */
.logo {
  font-size: 50px;
  font-weight: 700;
  color: #626268;
  letter-spacing: 3px;
  margin-bottom: 38px;
  -webkit-user-select: none;
     -moz-user-select: none;
          user-select: none;
}
.logo video {
  height: 48px;
  animation: titleFloat 4s ease-in-out infinite;
}

@keyframes titleFloat {
  0%, 100% { transform: translateY(0);   opacity: 0.15; }
  50%      { transform: translateY(-5px); opacity: 0.4;  }
}

.img-bg-top {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  z-index: -1;
  display: flex;
  justify-content: center;
  overflow: hidden;
}
.img-bg-top img {
  width: 150%;
}

.img-bg-bottom {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  z-index: -1;
  display: flex;
  justify-content: center;
  overflow: hidden;
}
.img-bg-bottom img {
  width: 150%;
}

/* ── Loading Section ── */
#splash-loading {
  display: none;
  margin-top: 48px;
}
#splash-loading.active {
  display: block;
  animation: fadeInUp 0.4s ease-out;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0);    }
}

/* ── 进度条 ── */
.progress-wrapper {
  width: 480px;
  margin-bottom: 20px;
}

.progress-track {
  width: 100%;
  height: 8px;
  background: #3D3D42;
  border-radius: 3px;
  position: relative;
  overflow: visible;
}

.progress-fill {
  height: 100%;
  border-radius: 50px;
  position: relative;
  width: 0%;
  background: linear-gradient(90deg, rgba(255, 134, 82, 0.2) 0%, #ff8652 81%, #ffffff 100%);
  filter: blur(1px);
  transition: width 0.08s linear;
}
.progress-fill::after {
  content: "";
  position: absolute;
  right: 0px;
  top: 50%;
  transform: translateY(-50%);
  width: 30%;
  height: 100%;
  pointer-events: none;
  box-shadow: 0px 0px 30px rgb(255, 176, 138);
}
.progress-fill::before {
  content: "";
  position: absolute;
  right: 30%;
  top: 50%;
  transform: translateY(-50%);
  width: 30%;
  height: 100%;
  pointer-events: none;
  box-shadow: 0px 0px 30px rgba(255, 176, 138, 0.6);
}

/* ── 状态文字 ── */
.loading-text {
  font-family: "Segoe UI", system-ui, sans-serif;
  font-size: 13px;
  font-weight: 400;
  color: #808088;
  letter-spacing: 0.42em;
  -webkit-user-select: none;
     -moz-user-select: none;
          user-select: none;
}

/* ── Bottom Hint ── */
.splash-hint-wrapper {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 2;
  padding-bottom: clamp(36px, 6vh, 64px);
  text-align: center;
}

.splash-hint {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  animation: hintPulse 3s ease-in-out infinite;
}

.hint-icon {
  display: block;
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.hint-text {
  font-family: 'Geologica', sans-serif;
  font-size: 16px;
  font-weight: 400;
  letter-spacing: 6.4px;
  color: rgba(255, 255, 255, 0.5);
  white-space: nowrap;
  user-select: none;
  -webkit-user-select: none;
}

@keyframes hintPulse {
  0%, 100% { opacity: 0.6; }
  50%      { opacity: 1; }
}