/* ===== 梦姐 · 红金奢华 ===== */
:root{
  --red-deep:#3d0a0f;
  --red:#7a1220;
  --gold:#c9a227;
  --gold-light:#e8cf8a;
  --gold-pale:#f3e6c4;
  --ink:#120a0b;
  --cream:#f7f1e6;
  --serif:"Noto Serif SC",serif;
  --display:"Cormorant Garamond","Noto Serif SC",serif;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--ink);
  color:var(--cream);
  font-family:var(--serif);
  font-weight:300;
  line-height:1.8;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
em{font-style:normal;color:var(--gold-light)}

body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(circle at 20% 10%,rgba(122,18,32,.35),transparent 45%),
    radial-gradient(circle at 85% 80%,rgba(201,162,39,.10),transparent 50%);
}

/* ===== 音乐开关 ===== */
.music-toggle{
  position:fixed;top:22px;right:22px;z-index:100;
  display:flex;align-items:center;gap:9px;
  padding:10px 16px;border-radius:40px;
  background:rgba(18,10,11,.72);
  border:1px solid rgba(201,162,39,.45);
  color:var(--gold-light);
  font-family:var(--serif);font-size:13px;letter-spacing:.08em;
  cursor:pointer;backdrop-filter:blur(10px);
  transition:.35s ease;
}
.music-toggle:hover{border-color:var(--gold);color:var(--gold-pale);box-shadow:0 0 24px rgba(201,162,39,.25)}
.music-toggle .icon{width:17px;height:17px}
.music-bars{display:none;align-items:flex-end;gap:2px;height:14px}
.music-bars i{width:2px;background:var(--gold-light);animation:bar 1s ease-in-out infinite}
.music-bars i:nth-child(1){height:40%;animation-delay:0s}
.music-bars i:nth-child(2){height:90%;animation-delay:.2s}
.music-bars i:nth-child(3){height:60%;animation-delay:.4s}
.music-bars i:nth-child(4){height:80%;animation-delay:.15s}
@keyframes bar{0%,100%{transform:scaleY(.4)}50%{transform:scaleY(1)}}
.music-toggle.playing .music-bars{display:flex}
.music-toggle.playing .icon-note{display:none}

/* ===== 导航 ===== */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:90;
  display:flex;justify-content:space-between;align-items:center;
  padding:26px 48px;
  background:linear-gradient(to bottom,rgba(18,10,11,.85),transparent);
}
.brand{font-family:var(--display);font-size:26px;letter-spacing:.12em;color:var(--gold-pale)}
.brand-dot{color:var(--gold);margin-left:2px}
.nav-links{display:flex;gap:38px}
.nav-links a{
  font-size:14px;letter-spacing:.18em;color:var(--cream);opacity:.8;
  position:relative;padding-bottom:4px;transition:.3s;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:1px;
  background:var(--gold);transition:width .35s ease;
}
.nav-links a:hover{opacity:1;color:var(--gold-light)}
.nav-links a:hover::after{width:100%}

/* ===== 首屏 ===== */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden}
.hero-media{position:absolute;inset:0;z-index:0}
.hero-img{width:100%;height:100%;object-fit:cover;object-position:center 28%;filter:saturate(1.05) contrast(1.02)}
.hero-veil{
  position:absolute;inset:0;
  background:
    linear-gradient(90deg,rgba(18,10,11,.93) 0%,rgba(18,10,11,.6) 45%,rgba(18,10,11,.18) 100%),
    linear-gradient(to top,rgba(18,10,11,.9),transparent 40%);
}
.hero-content{position:relative;z-index:2;padding:0 8vw;max-width:820px}
.hero-eyebrow{
  font-size:13px;letter-spacing:.42em;color:var(--gold);margin-bottom:26px;
  opacity:0;animation:fadeUp 1s .2s forwards;
}
.hero-title{
  font-family:var(--display);font-weight:300;
  font-size:clamp(52px,8.5vw,116px);line-height:1.06;letter-spacing:.02em;
  color:var(--cream);
  opacity:0;animation:fadeUp 1.1s .4s forwards;
}
.hero-title em{display:inline-block;color:var(--gold-light);font-style:italic}
.hero-sub{
  margin-top:30px;max-width:440px;font-size:16px;line-height:2;color:rgba(247,241,230,.78);
  opacity:0;animation:fadeUp 1.1s .65s forwards;
}
.btn-gold{
  display:inline-block;margin-top:44px;padding:15px 44px;
  border:1px solid var(--gold);color:var(--gold-light);
  font-size:14px;letter-spacing:.28em;
  position:relative;overflow:hidden;transition:.4s;
  opacity:0;animation:fadeUp 1.1s .85s forwards;
}
.btn-gold::before{
  content:"";position:absolute;inset:0;background:var(--gold);
  transform:translateX(-101%);transition:transform .45s cubic-bezier(.7,0,.2,1);z-index:-1;
}
.btn-gold:hover{color:var(--ink)}
.btn-gold:hover::before{transform:translateX(0)}
.hero-scroll{
  position:absolute;bottom:38px;left:8vw;z-index:2;
  display:flex;align-items:center;gap:12px;
  font-size:12px;letter-spacing:.3em;color:rgba(247,241,230,.5);
}
.hero-scroll svg{width:18px;height:18px;animation:bob 2s ease-in-out infinite}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(6px)}}
@keyframes fadeUp{from{opacity:0;transform:translateY(28px)}to{opacity:1;transform:translateY(0)}}

/* ===== 通用 ===== */
section{position:relative;z-index:1}
.kicker{font-size:13px;letter-spacing:.4em;color:var(--gold);margin-bottom:20px}
.section-head{max-width:760px;margin:0 auto;text-align:center;padding:0 24px}
.section-head h2,.about-text h2,.contact-inner h2{
  font-family:var(--display);font-weight:300;
  font-size:clamp(34px,5vw,62px);line-height:1.15;color:var(--cream);
}
.section-desc{margin-top:22px;color:rgba(247,241,230,.66);font-size:15px;line-height:2}

/* ===== 影像作品 ===== */
.works{padding:130px 5vw 120px}
.video-grid{
  margin-top:70px;
  display:grid;grid-template-columns:repeat(5,1fr);gap:16px;
  max-width:1500px;margin-left:auto;margin-right:auto;
}
.video-card{
  position:relative;overflow:hidden;cursor:pointer;
  border:1px solid rgba(201,162,39,.22);
  background:#0c0607;
  transition:.5s cubic-bezier(.2,.7,.2,1);
}
.video-card video{
  width:100%;height:100%;aspect-ratio:9/16;object-fit:cover;
  display:block;transition:transform .8s cubic-bezier(.2,.7,.2,1);
  filter:saturate(1.02);
}
.video-card:hover{border-color:rgba(201,162,39,.6);box-shadow:0 20px 60px rgba(0,0,0,.6)}
.video-card:hover video{transform:scale(1.05)}
.play-btn{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:60px;height:60px;border-radius:50%;
  background:rgba(18,10,11,.5);border:1px solid var(--gold);
  color:var(--gold-light);display:flex;align-items:center;justify-content:center;
  cursor:pointer;backdrop-filter:blur(4px);transition:.4s;
}
.play-btn svg{width:24px;height:24px;margin-left:3px}
.video-card:hover .play-btn{background:var(--gold);color:var(--ink);transform:translate(-50%,-50%) scale(1.08)}
.video-card.playing .play-btn{opacity:0;pointer-events:none}
.video-card figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:26px 16px 16px;
  display:flex;align-items:baseline;gap:10px;
  background:linear-gradient(to top,rgba(12,6,7,.92),transparent);
}
.cap-no{font-family:var(--display);font-size:14px;color:var(--gold);letter-spacing:.1em}
.cap-title{font-size:14px;letter-spacing:.1em;color:var(--cream)}

/* ===== 关于 ===== */
.about{padding:120px 6vw;background:linear-gradient(to bottom,transparent,rgba(61,10,15,.35),transparent)}
.about-inner{
  max-width:1200px;margin:0 auto;
  display:grid;grid-template-columns:1.15fr .85fr;gap:80px;align-items:center;
}
.about-text p{margin-top:24px;color:rgba(247,241,230,.72);font-size:15.5px;line-height:2.1}
.about-stats{display:flex;gap:48px;margin-top:48px;flex-wrap:wrap}
.stat{display:flex;flex-direction:column;gap:6px}
.stat-num{font-family:var(--display);font-size:30px;color:var(--gold-light);letter-spacing:.06em}
.stat-label{font-size:12px;letter-spacing:.22em;color:rgba(247,241,230,.5)}
.about-visual{position:relative}
.about-visual img{
  width:100%;aspect-ratio:3/4;object-fit:cover;object-position:center 25%;
  filter:saturate(1.05);
}
.frame-line{
  position:absolute;inset:18px -18px -18px 18px;
  border:1px solid rgba(201,162,39,.5);z-index:-1;
}

/* ===== 联系 ===== */
.contact{padding:130px 6vw;text-align:center}
.contact-inner{max-width:720px;margin:0 auto}
.contact-desc{margin-top:20px;color:rgba(247,241,230,.66);font-size:15px}
.contact-links{display:flex;gap:20px;justify-content:center;margin-top:52px;flex-wrap:wrap}
.contact-item{
  display:flex;align-items:center;gap:12px;
  padding:16px 30px;border:1px solid rgba(201,162,39,.35);
  font-size:14px;letter-spacing:.06em;color:var(--cream);
  transition:.4s;
}
.contact-item svg{width:19px;height:19px;color:var(--gold)}
.contact-item:hover{border-color:var(--gold);background:rgba(201,162,39,.08);color:var(--gold-pale)}

/* ===== 页脚 ===== */
.footer{
  text-align:center;padding:70px 24px 50px;
  border-top:1px solid rgba(201,162,39,.18);
}
.footer-brand{font-family:var(--display);font-size:30px;color:var(--gold-pale);letter-spacing:.14em}
.footer-line{margin-top:10px;font-size:13px;letter-spacing:.3em;color:var(--gold)}
.footer-copy{margin-top:26px;font-size:12px;letter-spacing:.1em;color:rgba(247,241,230,.4)}

/* ===== 滚动显现 ===== */
.reveal{opacity:0;transform:translateY(40px);transition:opacity .9s ease,transform .9s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* ===== 响应式 ===== */
@media(max-width:1280px){
  .video-grid{grid-template-columns:repeat(3,1fr);gap:18px}
}
@media(max-width:1024px){
  .video-grid{grid-template-columns:repeat(2,1fr)}
  .about-inner{grid-template-columns:1fr;gap:50px}
  .about-visual{max-width:420px;margin:0 auto}
}
@media(max-width:640px){
  .nav{padding:20px 22px}
  .nav-links{gap:22px}
  .nav-links a{font-size:12px;letter-spacing:.1em}
  .brand{font-size:22px}
  .music-toggle{top:auto;bottom:20px;right:16px;padding:9px 14px;font-size:12px}
  .hero-content{padding:0 24px}
  .hero-scroll{left:24px}
  .works,.about,.contact{padding-left:22px;padding-right:22px}
  .video-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .about-stats{gap:30px}
  .contact-links{flex-direction:column;align-items:stretch}
  .contact-item{justify-content:center}
}

@media(prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
  .reveal{opacity:1;transform:none}
}