/* =============================================
   合并主题：初音未来 · Digital Sky（miku 排版 + cyber 视觉）
   排版：左对齐直接铺陈式（保持 miku）
   视觉：Orbitron 字体 / 科技 HUD / 粒子 / 鼠标追踪
   ============================================= */

/* ===== 字体升级（cyber 科技感）===== */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@500;700;900&display=swap');

[data-theme="miku"] body {
  font-family: 'Noto Sans SC', 'PingFang SC', -apple-system, sans-serif;
  background-color:#000;
}

/* ===== 背景图 + 渐变叠层（保留 miku 天空）===== */
[data-theme="miku"] .theme-stage {
  background:
    linear-gradient(180deg,
      rgba(28,72,110,.15) 0%,
      rgba(21,67,96,.05) 40%,
      rgba(13,32,50,.45) 78%,
      rgba(8,22,36,.78) 100%),
    url('/assets/img/miku-hero-1920.webp') no-repeat center top / cover;
  background-color:#154360;
}
@media (max-width:768px){
  [data-theme="miku"] .theme-stage {
    background:
      linear-gradient(180deg,
        rgba(28,72,110,.15) 0%,
        rgba(21,67,96,.05) 40%,
        rgba(13,32,50,.5) 78%,
        rgba(8,22,36,.82) 100%),
      url('/assets/img/miku-hero-1280.webp') no-repeat center top / cover;
  }
}

/* ===== 云层细节 ===== */
[data-theme="miku"] .theme-stage::before {
  content:"";
  position:absolute; inset:0;
  background:
    radial-gradient(42% 30% at 6% 30%, rgba(16,38,58,.5), transparent 70%),
    radial-gradient(32% 26% at 18% 58%, rgba(16,38,58,.35), transparent 70%),
    radial-gradient(28% 22% at 62% 14%, rgba(190,230,255,.14), transparent 70%);
  filter: blur(1.5px);
  pointer-events:none;
}

/* ===== 底部渐隐（功能入口可读）===== */
[data-theme="miku"] .theme-stage::after {
  content:"";
  position:absolute; inset:auto 0 0 0;
  height:28vh;
  background:linear-gradient(180deg, transparent, rgba(10,24,38,.85));
  pointer-events:none;
}

/* ===== 风痕 / 速度线 ===== */
[data-theme="miku"] .wind-lines {
  position:absolute; inset:0; overflow:hidden; pointer-events:none;
}
[data-theme="miku"] .wind-lines span {
  position:absolute; display:block; height:2px; border-radius:2px;
  background:linear-gradient(90deg, transparent, rgba(255,255,255,.55), transparent);
  animation: windMove 8s linear infinite; opacity:0;
}
[data-theme="miku"] .wind-lines span:nth-child(1){ top:18%; width:220px; animation-delay:0s; }
[data-theme="miku"] .wind-lines span:nth-child(2){ top:32%; width:150px; animation-delay:1.2s; }
[data-theme="miku"] .wind-lines span:nth-child(3){ top:46%; width:300px; animation-delay:2.5s; }
[data-theme="miku"] .wind-lines span:nth-child(4){ top:58%; width:190px; animation-delay:.6s; }
[data-theme="miku"] .wind-lines span:nth-child(5){ top:70%; width:260px; animation-delay:3.4s; }
[data-theme="miku"] .wind-lines span:nth-child(6){ top:80%; width:210px; animation-delay:1.9s; }
@keyframes windMove {
  0%   { transform:translateX(-120%); opacity:0; }
  20%  { opacity:.5; }
  80%  { opacity:.5; }
  100% { transform:translateX(140%); opacity:0; }
}

/* ===== 白鸽 / 光点 ===== */
[data-theme="miku"] .dove {
  position:absolute;
  animation: doveFloat 4s ease-in-out infinite;
}
@keyframes doveFloat {
  0%,100% { margin-top:0; }
  50% { margin-top:-12px; }
}

/* ===== 镜头光晕 / Lens Flare ===== */
[data-theme="miku"] .lens-flare {
  position:absolute; top:10%; right:14%;
  width:300px; height:300px; border-radius:50%;
  background:radial-gradient(circle, rgba(255,255,255,.28) 0%, rgba(118,215,196,.1) 40%, transparent 70%);
  animation: flarePulse 7s ease-in-out infinite;
  pointer-events:none;
}
@keyframes flarePulse {
  0%,100% { opacity:.5; transform:scale(1); }
  50% { opacity:.9; transform:scale(1.18); }
}

/* ===== 粒子画布层（cyber 动效）===== */
[data-theme="miku"] #cyber-particles,
[data-theme="miku"] .theme-stage canvas {
  position:absolute; inset:0; width:100%; height:100%;
  z-index:3; pointer-events:none;
}

/* ===== 内容区排版：保持 miku 左对齐直接铺陈式（不套毛玻璃卡片）===== */
[data-theme="miku"] .content {
  text-shadow:0 4px 40px rgba(0,0,0,.5);
}
[data-theme="miku"] .eyebrow {
  font-family:'Orbitron',sans-serif;
  color:#76D7C4; text-transform:uppercase;
  text-shadow:0 0 20px rgba(118,215,196,.6);
}
[data-theme="miku"] .title {
  font-family:'Orbitron',sans-serif;
  background:linear-gradient(90deg, #fff, #76D7C4);
  -webkit-background-clip:text; background-clip:text;
  -webkit-text-fill-color:transparent;
  filter:drop-shadow(0 2px 24px rgba(0,0,0,.35)) drop-shadow(0 0 30px rgba(118,215,196,.4));
}
[data-theme="miku"] .subtitle {
  font-family:'Orbitron',sans-serif;
  color:rgba(255,255,255,.92);
  letter-spacing:1px;
}

/* ===== 功能入口（融合 cyber 微圆角 + miku 配色）===== */
[data-theme="miku"] .services-title {
  font-family:'Orbitron',sans-serif;
  letter-spacing:3px;
  color:#eaf6ff;
  text-shadow:0 0 20px rgba(118,215,196,.35);
}
[data-theme="miku"] .service-card {
  background:linear-gradient(160deg, rgba(20,40,60,.55), rgba(15,30,45,.65));
  border:1px solid rgba(72,201,176,.3);
  border-radius:6px;
  backdrop-filter:blur(8px);
}
[data-theme="miku"] .service-card:hover {
  border-color:#76D7C4;
  box-shadow:0 8px 25px rgba(72,201,176,.3);
}
[data-theme="miku"] .sc-icon { color:#76D7C4; }

/* ===== 页脚 ===== */
[data-theme="miku"] .footer { color:rgba(255,255,255,.6); }

/* ===== 鼠标视差 / 背景图跟随移动 ===== */
[data-theme="miku"] .theme-stage {
  transform: translate3d(0,0,0);
  transition: transform .12s ease-out;
  will-change: transform;
  top:-3%; left:-3%; width:106%; height:106%;
}
[data-theme="miku"] .theme-stage.parallax {
  transform: translate3d(var(--px,0), var(--py,0), 0);
}


/* ===== 响应式 ===== */
@media (max-width:768px){
    }


/* ===== 文字动效增强 ===== */
/* eyebrow 渐入 + 发光脉动 */
[data-theme="miku"] .eyebrow {
  animation: eyebrowIn 1.2s cubic-bezier(.16,1,.3,1) both .4s,
             eyebrowGlow 3s ease-in-out infinite 1.6s;
}
@keyframes eyebrowIn {
  from { opacity:0; letter-spacing:10px; }
  to   { opacity:.9; letter-spacing:6px; }
}
@keyframes eyebrowGlow {
  0%,100% { text-shadow:0 0 12px rgba(118,215,196,.5); }
  50%     { text-shadow:0 0 28px rgba(118,215,196,.95); }
}

/* 标题渐入 + 上浮呼吸 + 渐变流动 */
[data-theme="miku"] .title {
  animation: titleIn 1.3s cubic-bezier(.16,1,.3,1) both .65s,
             titleFloat 6s ease-in-out infinite 2s,
             titleFlow 8s linear infinite 2s;
}
@keyframes titleIn {
  from { opacity:0; transform:translateY(40px) scale(.96); }
  to   { opacity:1; transform:none; }
}
@keyframes titleFloat {
  0%,100% { margin-top:0; }
  50%     { margin-top:-10px; }
}
@keyframes titleFlow {
  0%   { background-position:0% 50%; }
  100% { background-position:200% 50%; }
}
/* 让渐变流动生效：背景变大一点 */
[data-theme="miku"] .title {
  background-size:200% 100%;
  -webkit-background-clip:text; background-clip:text;
}

/* 副标题渐入 + 淡转发光 */
[data-theme="miku"] .subtitle {
  animation: subIn 1.3s cubic-bezier(.16,1,.3,1) both .95s,
             subGlow 4s ease-in-out infinite 2.5s;
}
@keyframes subIn {
  from { opacity:0; transform:translateY(24px); }
  to   { opacity:.92; transform:none; }
}
@keyframes subGlow {
  0%,100% { opacity:.9; text-shadow:0 0 8px rgba(118,215,196,.2); }
  50%     { opacity:1; text-shadow:0 0 22px rgba(118,215,196,.6); }
}

/* 服务入口卡片错峰淡入 */
[data-theme="miku"] .service-card {
  animation: cardIn 1s cubic-bezier(.16,1,.3,1) both;
}
[data-theme="miku"] .service-card:nth-child(1){ animation-delay:1.3s; }
[data-theme="miku"] .service-card:nth-child(2){ animation-delay:1.55s; }
[data-theme="miku"] .service-card:nth-child(3){ animation-delay:1.8s; }
@keyframes cardIn {
  from { opacity:0; transform:translateY(28px); }
  to   { opacity:1; transform:none; }
}

/* ===== 高端视觉增强（polish）：标题流光 / 辉光呼吸 ===== */
[data-theme="miku"] .title{
  background-size: 200% auto;
  animation: titleFlow 5s linear infinite;
}
@keyframes titleFlow{
  0%  { background-position: 0% center; }
  100%{ background-position: 200% center; }
}

[data-theme="miku"] .eyebrow{
  animation: eyebrowGlow 3s ease-in-out infinite;
}
@keyframes eyebrowGlow{
  0%,100%{ text-shadow:0 0 18px rgba(118,215,196,.45); opacity:.72; }
  50%    { text-shadow:0 0 30px rgba(118,215,196,.95); opacity:.92; }
}

[data-theme="miku"] .subtitle{
  animation: subBreathe 4s ease-in-out infinite;
}
@keyframes subBreathe{
  0%,100%{ opacity:.78; }
  50%    { opacity:.98; }
}

/* ===== 内容层反向视差平滑过渡 ===== */
[data-theme="miku"] .content{
  transition: transform .35s cubic-bezier(.16,1,.3,1);
  will-change: transform;
}