/* ===== 全局变量 ===== */
:root{
  --c-bg-deep:#1a1228;
  --c-bg:#241836;
  --c-bg-soft:#2e2046;
  --c-violet:#7b68a6;
  --c-violet-light:#a896d0;
  --c-violet-glow:#9a82c8;
  --c-gold:#c9a961;
  --c-gold-soft:#e0c98a;
  --c-cream:#f0e6f5;
  --c-text:#e8ddf0;
  --c-text-dim:#b8a8cc;
  --c-line:rgba(201,169,97,.25);
  --serif:'Cormorant Garamond','Noto Serif SC',serif;
  --serif-jp:'Noto Serif SC',serif;
  --display:'Cinzel','Noto Serif SC',serif;
  --shadow:0 20px 60px rgba(10,5,25,.5);
}

/* ===== Reset ===== */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:70px}
body{
  font-family:var(--serif-jp);
  background:var(--c-bg-deep);
  color:var(--c-text);
  line-height:1.8;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}

/* ===== 花瓣飘落 ===== */
#petals-container{
  position:fixed;inset:0;pointer-events:none;z-index:5;overflow:hidden;
}
.petal{
  position:absolute;top:-40px;
  opacity:0;
  animation:fall linear infinite;
  filter:drop-shadow(0 0 3px rgba(168,150,208,.4));
}
.petal.gold{filter:drop-shadow(0 0 3px rgba(224,201,138,.45))}
@keyframes fall{
  0%{transform:translateY(0) translateX(0) rotate(0);opacity:0}
  10%{opacity:.7}
  90%{opacity:.5}
  100%{transform:translateY(105vh) translateX(60px) rotate(540deg);opacity:0}
}

/* ===== 导航 ===== */
#navbar{
  position:fixed;top:0;left:0;right:0;z-index:100;
  transition:all .5s ease;
  padding:18px 0;
}
#navbar.scrolled{
  background:rgba(20,12,35,.92);
  backdrop-filter:blur(12px);
  padding:10px 0;
  border-bottom:1px solid var(--c-line);
  box-shadow:0 4px 30px rgba(0,0,0,.4);
}
.nav-inner{
  max-width:1280px;margin:0 auto;padding:0 32px;
  display:flex;align-items:center;justify-content:space-between;
}
.nav-logo{display:flex;align-items:center;gap:12px}
.logo-mark{
  font-family:var(--display);font-size:1.3rem;font-weight:600;
  color:var(--c-gold);letter-spacing:.05em;
  border:1.5px solid var(--c-gold);border-radius:50%;
  width:42px;height:42px;display:flex;align-items:center;justify-content:center;
}
.logo-text{
  font-family:var(--display);font-size:.95rem;letter-spacing:.18em;
  color:var(--c-cream);text-transform:uppercase;
}
.nav-menu{display:flex;gap:34px}
.nav-menu a{
  font-family:var(--display);font-size:.82rem;letter-spacing:.2em;
  color:var(--c-text-dim);position:relative;padding:6px 0;
  transition:color .3s;
}
.nav-menu a::after{
  content:'';position:absolute;left:50%;bottom:0;width:0;height:1px;
  background:var(--c-gold);transition:all .4s;transform:translateX(-50%);
}
.nav-menu a:hover{color:var(--c-gold-soft)}
.nav-menu a:hover::after{width:100%}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer}
.nav-toggle span{width:26px;height:2px;background:var(--c-cream);transition:.3s}
.nav-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ===== Hero ===== */
#hero{
  position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;
  text-align:center;overflow:hidden;
}
.hero-bg{
  position:absolute;inset:0;
  background:
    radial-gradient(ellipse 70% 50% at 50% 25%,rgba(155,130,200,.45),transparent 65%),
    radial-gradient(ellipse 50% 40% at 20% 70%,rgba(123,104,166,.35),transparent 60%),
    radial-gradient(ellipse 55% 45% at 80% 75%,rgba(201,169,97,.18),transparent 60%),
    radial-gradient(ellipse 90% 70% at 50% 100%,rgba(46,32,70,.8),transparent 70%),
    linear-gradient(165deg,#2a1d40 0%,#1a1228 35%,#241836 60%,#1a1228 100%);
}
.hero-bg::before{
  content:'';position:absolute;inset:0;
  background:
    radial-gradient(circle at 15% 25%,rgba(255,255,255,.04) 0,transparent 1.5px),
    radial-gradient(circle at 75% 15%,rgba(255,255,255,.03) 0,transparent 1.5px),
    radial-gradient(circle at 45% 60%,rgba(255,255,255,.03) 0,transparent 1.5px),
    radial-gradient(circle at 85% 80%,rgba(255,255,255,.04) 0,transparent 1.5px);
  background-size:55px 55px,70px 70px,45px 45px,60px 60px;
  animation:starDrift 60s linear infinite;
}
@keyframes starDrift{to{background-position:55px 55px,-70px 70px,45px -45px,-60px 60px}}
/* Hero 装饰边框 */
.hero-frame{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:min(560px,86vw);height:min(360px,60vh);z-index:1;opacity:.5;
  pointer-events:none;
}
.hero-overlay{
  position:absolute;inset:0;
  background-image:
    radial-gradient(circle at 20% 80%,rgba(255,255,255,.03) 0,transparent 2px),
    radial-gradient(circle at 80% 20%,rgba(255,255,255,.03) 0,transparent 2px);
  background-size:40px 40px;
}
.hero-content{position:relative;z-index:2;padding:0 24px;animation:heroIn 1.8s ease}
@keyframes heroIn{from{opacity:0;transform:translateY(40px)}to{opacity:1;transform:translateY(0)}}
.hero-sub{
  font-family:var(--display);font-size:.85rem;letter-spacing:.35em;
  color:var(--c-gold);text-transform:uppercase;margin-bottom:28px;
}
.hero-title{margin-bottom:24px}
.title-jp{
  display:block;font-family:var(--serif-jp);font-weight:500;
  font-size:clamp(1.6rem,4.5vw,3rem);letter-spacing:.08em;
  color:var(--c-cream);text-shadow:0 4px 30px rgba(123,104,166,.6);
  margin-bottom:10px;
}
.title-en{
  display:block;font-family:var(--display);font-weight:400;
  font-size:clamp(1rem,2.5vw,1.5rem);letter-spacing:.25em;
  color:var(--c-violet-light);text-transform:uppercase;
}
.hero-tagline{
  font-family:var(--serif-jp);font-style:italic;font-weight:300;
  font-size:clamp(1rem,2vw,1.3rem);color:var(--c-gold-soft);
  margin-bottom:20px;letter-spacing:.05em;
}
.hero-fan-note{
  font-family:var(--display);font-size:.7rem;letter-spacing:.25em;
  color:var(--c-text-dim);margin-bottom:30px;opacity:.5;
  text-transform:uppercase;
}
.hero-date{display:flex;align-items:center;justify-content:center;gap:16px;margin-bottom:60px}
.date-label{
  font-family:var(--display);font-size:1.2rem;color:var(--c-gold);
  border:1px solid var(--c-gold);padding:6px 18px;letter-spacing:.1em;
}
.date-text{font-size:.9rem;letter-spacing:.25em;color:var(--c-text-dim)}
.hero-scroll{
  display:flex;flex-direction:column;align-items:center;gap:10px;
  font-family:var(--display);font-size:.7rem;letter-spacing:.3em;color:var(--c-text-dim);
}
.scroll-line{width:1px;height:50px;background:linear-gradient(var(--c-gold),transparent);animation:scrollPulse 2s ease-in-out infinite}
@keyframes scrollPulse{0%,100%{opacity:.3;transform:scaleY(.6)}50%{opacity:1;transform:scaleY(1)}}

/* ===== 通用 section head ===== */
section{padding:120px 32px;position:relative}
.section-head{text-align:center;margin-bottom:70px}
.section-title{
  font-family:var(--display);font-weight:500;
  font-size:clamp(1.8rem,4vw,2.6rem);letter-spacing:.2em;
  color:var(--c-gold);position:relative;display:inline-block;padding:0 20px;
}
.section-title::before,.section-title::after{
  content:'';position:absolute;top:50%;width:40px;height:1px;background:var(--c-line);
}
.section-title::before{right:100%}
.section-title::after{left:100%}
.section-subtitle{
  font-family:var(--serif-jp);font-size:.9rem;letter-spacing:.3em;
  color:var(--c-text-dim);margin-top:10px;
}
/* 板块分隔花纹 */
.section-divider{
  display:flex;align-items:center;justify-content:center;gap:18px;
  margin:0 auto 60px;opacity:.55;
}
.section-divider .vine{width:120px;height:1px;background:linear-gradient(90deg,transparent,var(--c-gold))}
.section-divider .vine.r{background:linear-gradient(90deg,var(--c-gold),transparent)}
.section-divider .blossom{color:var(--c-gold);font-size:1rem;filter:drop-shadow(0 0 6px rgba(201,169,97,.5))}
/* Hero 标题装饰线 */
.hero-ornament{display:flex;align-items:center;justify-content:center;gap:14px;margin:6px 0 22px}
.hero-ornament .o-line{width:60px;height:1px;background:linear-gradient(90deg,transparent,var(--c-gold-soft))}
.hero-ornament .o-line.r{background:linear-gradient(90deg,var(--c-gold-soft),transparent)}
.hero-ornament .o-dot{color:var(--c-gold);font-size:.7rem}

/* ===== NEWS 时间线 ===== */
#news{background:var(--c-bg-deep)}
.news-filter{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-bottom:60px}
.filter-btn{
  font-family:var(--display);font-size:.78rem;letter-spacing:.18em;
  background:transparent;border:1px solid var(--c-line);color:var(--c-text-dim);
  padding:9px 22px;cursor:pointer;transition:all .3s;text-transform:uppercase;
}
.filter-btn:hover{border-color:var(--c-gold);color:var(--c-gold-soft)}
.filter-btn.active{background:var(--c-gold);border-color:var(--c-gold);color:var(--c-bg-deep)}

.timeline{position:relative;max-width:1000px;margin:0 auto;padding:20px 0}
.timeline-line{
  position:absolute;left:50%;top:0;bottom:0;width:2px;transform:translateX(-50%);
  background:linear-gradient(transparent,var(--c-gold) 10%,var(--c-gold) 90%,transparent);
  opacity:.4;
}
.timeline-item{
  position:relative;width:50%;padding:0 40px 50px;opacity:0;transform:translateY(40px);
  transition:all .8s ease;
}
.timeline-item.left{left:0;text-align:right}
.timeline-item.right{left:50%;text-align:left}
.timeline-item.show{opacity:1;transform:translateY(0)}
.timeline-dot{
  position:absolute;top:24px;width:14px;height:14px;border-radius:50%;
  background:var(--c-gold);border:3px solid var(--c-bg-deep);
  box-shadow:0 0 0 2px var(--c-gold),0 0 20px var(--c-gold);
}
.timeline-item.left .timeline-dot{right:-7px}
.timeline-item.right .timeline-dot{left:-7px}
.timeline-card{
  background:linear-gradient(160deg,rgba(46,32,70,.7),rgba(36,24,54,.7));
  border:1px solid var(--c-line);padding:24px 28px;border-radius:2px;
  transition:all .4s;position:relative;overflow:hidden;
}
.timeline-card::before{
  content:'';position:absolute;top:0;left:0;width:3px;height:0;
  background:var(--c-gold);transition:height .4s;
}
.timeline-card:hover{border-color:var(--c-gold);transform:translateY(-4px);box-shadow:var(--shadow)}
.timeline-card:hover::before{height:100%}
.news-date{font-family:var(--display);font-size:.8rem;color:var(--c-gold);letter-spacing:.1em;display:block;margin-bottom:6px}
.news-tag{
  display:inline-block;font-size:.68rem;letter-spacing:.15em;padding:2px 10px;
  border-radius:1px;margin-bottom:12px;text-transform:uppercase;
}
.tag-screening{background:rgba(123,104,166,.25);color:var(--c-violet-light);border:1px solid var(--c-violet)}
.tag-music{background:rgba(201,169,97,.15);color:var(--c-gold-soft);border:1px solid var(--c-gold)}
.tag-goods{background:rgba(168,150,208,.15);color:var(--c-cream);border:1px solid var(--c-violet-light)}
.tag-award{background:rgba(224,201,138,.15);color:var(--c-gold);border:1px solid var(--c-gold-soft)}
.news-title{font-family:var(--serif-jp);font-size:1.05rem;color:var(--c-cream);margin-bottom:8px;line-height:1.5;font-weight:500}
.news-excerpt{font-size:.88rem;color:var(--c-text-dim);line-height:1.7}

/* ===== STORY ===== */
#story{background:linear-gradient(180deg,var(--c-bg-deep),var(--c-bg),var(--c-bg-deep));overflow:hidden}
.story-bg{
  position:absolute;inset:0;opacity:.4;
  background:
    radial-gradient(circle at 80% 20%,rgba(201,169,97,.1),transparent 40%),
    radial-gradient(circle at 20% 80%,rgba(123,104,166,.15),transparent 40%);
}
.story-inner{position:relative;max-width:860px;margin:0 auto;text-align:center}
.story-text{margin-bottom:60px}
.story-text p{
  font-family:var(--serif-jp);font-size:1.08rem;color:var(--c-text);line-height:2.2;
  margin-bottom:18px;font-weight:300;
}
.story-text p:first-child{font-size:1.3rem;color:var(--c-gold-soft);font-style:italic;margin-bottom:30px}
.story-quote{
  font-family:var(--serif);font-style:italic;font-size:1.15rem;color:var(--c-violet-light);
  border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);
  padding:24px 0;margin-top:36px;letter-spacing:.05em;
}
.story-flow{display:flex;gap:30px;justify-content:center;flex-wrap:wrap;margin-top:50px}
.flow-item{
  flex:1;min-width:200px;max-width:260px;padding:30px 24px;
  border:1px solid var(--c-line);background:rgba(36,24,54,.5);transition:all .4s;
}
.flow-item:hover{border-color:var(--c-gold);background:rgba(46,32,70,.6);transform:translateY(-6px)}
.flow-num{font-family:var(--display);font-size:1.6rem;color:var(--c-gold);display:block;margin-bottom:14px;letter-spacing:.1em}
.flow-item h4{font-family:var(--serif-jp);font-size:1.05rem;color:var(--c-cream);margin-bottom:10px}
.flow-item p{font-size:.85rem;color:var(--c-text-dim);line-height:1.7}

/* ===== CHARACTER ===== */
#character{background:var(--c-bg)}
.char-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:32px;max-width:1100px;margin:0 auto}
.char-card{
  background:linear-gradient(180deg,rgba(46,32,70,.6),rgba(26,18,40,.6));
  border:1px solid var(--c-line);overflow:hidden;transition:all .5s;cursor:pointer;
}
.char-card:hover{transform:translateY(-10px);border-color:var(--c-gold);box-shadow:var(--shadow)}
.char-portrait{height:280px;overflow:hidden;position:relative}
.char-portrait::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 60%,rgba(26,18,40,.8));
}
.char-svg{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.char-card:hover .char-svg{transform:scale(1.08)}
.char-info{padding:24px}
.char-info h3{font-family:var(--serif-jp);font-size:1.05rem;color:var(--c-cream);margin-bottom:6px}
.char-role{font-family:var(--display);font-size:.72rem;color:var(--c-gold);letter-spacing:.15em;margin-bottom:12px;text-transform:uppercase}
.char-desc{font-size:.84rem;color:var(--c-text-dim);line-height:1.7}

/* ===== MUSIC ===== */
#music{background:linear-gradient(180deg,var(--c-bg),var(--c-bg-deep));overflow:hidden}
.music-bg{position:absolute;inset:0;background:radial-gradient(ellipse at center,rgba(123,104,166,.12),transparent 60%)}
.music-grid{display:flex;flex-wrap:wrap;gap:36px;justify-content:center;max-width:1000px;margin:0 auto;position:relative}
.music-card{width:240px;text-align:center;transition:transform .4s}
.music-card:hover{transform:translateY(-8px)}
.music-cover{
  width:240px;height:240px;border-radius:50%;position:relative;margin-bottom:22px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 16px 40px rgba(10,5,25,.6);transition:all .5s;
}
.music-card:hover .music-cover{box-shadow:0 20px 50px rgba(201,169,97,.3)}
.cover-1{background:radial-gradient(circle,#5a4a7a,#2a1f44);border:1px solid var(--c-gold)}
.cover-2{background:radial-gradient(circle,#7a5a4a,#3a2418);border:1px solid var(--c-gold)}
.cover-3{background:radial-gradient(circle,#4a5a7a,#1f2a44);border:1px solid var(--c-gold)}
.vinyl{
  width:70px;height:70px;border-radius:50%;
  background:radial-gradient(circle,#1a1228 30%,#2e2046 31%,#1a1228 40%,#2e2046 41%,#1a1228 60%,var(--c-gold) 61%,var(--c-gold) 68%,#1a1228 69%);
  border:2px solid var(--c-gold);
  animation:spin 8s linear infinite;
}
.music-card:hover .vinyl{animation-duration:2s}
@keyframes spin{to{transform:rotate(360deg)}}
.music-info h4{font-family:var(--serif-jp);font-size:1rem;color:var(--c-cream);margin-bottom:4px}
.music-artist{font-family:var(--display);font-size:.78rem;color:var(--c-gold);letter-spacing:.15em}
.music-type{font-size:.72rem;color:var(--c-text-dim);letter-spacing:.2em;text-transform:uppercase;margin-top:4px}
.music-note{text-align:center;margin-top:50px;font-size:.85rem;color:var(--c-text-dim);letter-spacing:.1em}

/* ===== BD/DVD ===== */
#bd{background:var(--c-bg-deep)}
.bd-wrap{max-width:600px;margin:0 auto}
.bd-card{display:flex;background:linear-gradient(135deg,rgba(46,32,70,.7),rgba(36,24,54,.7));border:1px solid var(--c-line);overflow:hidden}
.bd-cover{
  flex:0 0 180px;min-height:260px;
  background:linear-gradient(160deg,#2e2046,#1a1228);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  border-right:1px solid var(--c-line);
}
.bd-label{font-family:var(--display);font-size:.8rem;color:var(--c-gold);letter-spacing:.2em;border:1px solid var(--c-gold);padding:4px 14px}
.bd-edition{font-family:var(--serif-jp);font-size:.82rem;color:var(--c-cream);text-align:center;line-height:1.6;writing-mode:vertical-rl;letter-spacing:.1em}
.bd-info{padding:28px 30px;flex:1}
.bd-info h4{font-family:var(--serif-jp);font-size:1.05rem;color:var(--c-cream);margin-bottom:16px}
.bd-info ul{list-style:none;margin-bottom:18px}
.bd-info li{font-size:.85rem;color:var(--c-text-dim);padding:4px 0 4px 18px;position:relative}
.bd-info li::before{content:'✦';position:absolute;left:0;color:var(--c-gold);font-size:.7rem}
.bd-price{font-family:var(--display);font-size:1.1rem;color:var(--c-gold);letter-spacing:.05em}

/* ===== SPECIAL ===== */
#special{background:var(--c-bg)}
.special-grid{display:flex;flex-wrap:wrap;gap:28px;justify-content:center;max-width:1000px;margin:0 auto}
.special-card{
  flex:1;min-width:260px;max-width:300px;padding:40px 30px;text-align:center;
  border:1px solid var(--c-line);background:rgba(36,24,54,.5);transition:all .4s;
}
.special-card:hover{border-color:var(--c-gold);transform:translateY(-8px);background:rgba(46,32,70,.6)}
.special-icon{font-size:2rem;color:var(--c-gold);margin-bottom:18px}
.special-card h4{font-family:var(--serif-jp);font-size:1.05rem;color:var(--c-cream);margin-bottom:10px}
.special-card p{font-size:.85rem;color:var(--c-text-dim);line-height:1.7}

/* ===== Footer ===== */
#footer{background:#100a1c;padding:70px 32px 40px;border-top:1px solid var(--c-line)}
.footer-inner{max-width:1100px;margin:0 auto;text-align:center}
.footer-logo{margin-bottom:30px}
.footer-logo .logo-mark{margin:0 auto 12px}
.footer-logo p{font-family:var(--display);font-size:.9rem;letter-spacing:.2em;color:var(--c-text-dim);text-transform:uppercase}
.footer-links{display:flex;justify-content:center;gap:28px;flex-wrap:wrap;margin-bottom:34px}
.footer-links a{font-family:var(--display);font-size:.78rem;letter-spacing:.18em;color:var(--c-text-dim);transition:color .3s}
.footer-links a:hover{color:var(--c-gold)}
.footer-copy p{font-size:.78rem;color:var(--c-text-dim);margin-bottom:6px;line-height:1.7}
.copy-line{margin-top:16px;padding-top:16px;border-top:1px solid var(--c-line);font-size:.72rem;letter-spacing:.05em;opacity:.7}
.disclaimer{margin-top:18px;padding:14px 18px;background:rgba(0,0,0,.15);border-left:3px solid var(--c-gold);border-radius:0 4px 4px 0;font-size:.68rem;color:var(--c-text-dim);line-height:1.8;opacity:.75;text-align:left}
.disclaimer a{color:var(--c-gold-soft);border-bottom:1px dotted var(--c-gold-soft);transition:color .3s}
.disclaimer a:hover{color:var(--c-gold)}

/* ===== 响应式 ===== */
@media(max-width:768px){
  .nav-menu{
    position:fixed;top:0;right:-100%;width:70%;height:100vh;
    background:rgba(20,12,35,.97);backdrop-filter:blur(20px);
    flex-direction:column;justify-content:center;align-items:center;gap:34px;
    transition:right .5s;border-left:1px solid var(--c-line);
  }
  .nav-menu.open{right:0}
  .nav-toggle{display:flex;z-index:101}
  section{padding:80px 20px}
  .timeline-line{left:20px}
  .timeline-item{width:100%;left:0!important;text-align:left!important;padding:0 0 40px 50px}
  .timeline-item .timeline-dot{left:13px!important;right:auto!important}
  .story-flow{flex-direction:column;align-items:center}
  .bd-card{flex-direction:column}
  .bd-cover{flex:none;min-height:160px;border-right:none;border-bottom:1px solid var(--c-line)}
  .bd-edition{writing-mode:horizontal-tb}
  .footer-links{gap:18px}
}
@media(max-width:480px){
  .hero-date{flex-direction:column;gap:10px}
  .char-grid{gap:20px}
}