/* ========== RESET & BASE ========== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  color:#e0e0e0;
  background:#0a0a12;
  line-height:1.7;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}

:root{
  --bg-deep:#0a0a12;
  --bg-card:#111122;
  --bg-surface:#16162a;
  --bg-elevated:#1c1c35;
  --gold:#ffd700;
  --gold-dim:#b8960a;
  --gold-glow:rgba(255,215,0,0.3);
  --dragon:#ff4444;
  --dragon-glow:rgba(255,50,50,0.3);
  --phoenix:#ff6b35;
  --phoenix-glow:rgba(255,107,53,0.3);
  --cyan:#00d4ff;
  --cyan-glow:rgba(0,212,255,0.25);
  --purple:#a855f7;
  --purple-glow:rgba(168,85,247,0.25);
  --text-primary:#f0f0f0;
  --text-secondary:#a0a0b8;
  --text-muted:#666680;
  --border-subtle:rgba(255,255,255,0.06);
  --border-gold:rgba(255,215,0,0.15);
  --radius:16px;
  --radius-sm:10px;
  --transition:0.3s cubic-bezier(0.4,0,0.2,1);
  --shadow-card:0 4px 30px rgba(0,0,0,0.5);
  --shadow-gold:0 0 60px rgba(255,215,0,0.08);
  --font-xi:3.5em;
}

a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}

.container{max-width:1280px;margin:0 auto;padding:0 24px}
@media(max-width:768px){.container{padding:0 16px}}

/* ========== STARFIELD BG ========== */
#starfield{
  position:fixed;top:0;left:0;width:100%;height:100%;
  z-index:0;pointer-events:none;
}

/* ========== DRAGON/PHOENIX PARTICLES ========== */
.energy-particle{
  position:fixed;pointer-events:none;z-index:1;
  font-size:24px;animation:energyFloat 3s ease-out forwards;
  filter:drop-shadow(0 0 8px var(--gold-glow));
}
@keyframes energyFloat{
  0%{opacity:1;transform:translate(0,0) scale(1) rotate(0deg)}
  100%{opacity:0;transform:translate(var(--tx),var(--ty)) scale(0.3) rotate(180deg)}
}

/* Dragon/phoenix trail particles */
.dragon-trail{
  position:fixed;pointer-events:none;z-index:1;
  width:8px;height:8px;border-radius:50%;
  background:var(--dragon);
  box-shadow:0 0 12px var(--dragon-glow),0 0 24px var(--dragon-glow);
  animation:dragonSwoop 4s cubic-bezier(0.4,0,0.2,1) infinite;
}
.phoenix-trail{
  position:fixed;pointer-events:none;z-index:1;
  width:10px;height:10px;border-radius:50%;
  background:var(--phoenix);
  box-shadow:0 0 16px var(--phoenix-glow),0 0 32px var(--phoenix),0 0 48px var(--gold-glow);
  animation:phoenixRise 5s ease-in-out infinite;
}
@keyframes dragonSwoop{
  0%{transform:translate(-10vw,80vh) scale(1);opacity:0}
  10%{opacity:0.9}
  45%{transform:translate(50vw,40vh) scale(1.5);opacity:0.6}
  55%{transform:translate(60vw,20vh) scale(1.8)}
  80%{transform:translate(90vw,60vh) scale(1)}
  100%{transform:translate(110vw,70vh) scale(0.5);opacity:0}
}
@keyframes phoenixRise{
  0%{transform:translate(40vw,110vh) scale(0.5);opacity:0}
  15%{opacity:1}
  40%{transform:translate(35vw,40vh) scale(1.5)}
  60%{transform:translate(50vw,15vh) scale(2);opacity:0.8}
  85%{transform:translate(65vw,-5vh) scale(1);opacity:0.3}
  100%{transform:translate(80vw,-10vh) scale(0.3);opacity:0}
}

/* Ambient energy aura */
.energy-aura{
  position:fixed;pointer-events:none;z-index:0;
  width:600px;height:600px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,215,0,0.03) 0%,transparent 70%);
  animation:auraPulse 8s ease-in-out infinite;
}
.energy-aura.top-right{top:-200px;right:-200px}
.energy-aura.bottom-left{bottom:-200px;left:-200px;background:radial-gradient(circle,rgba(168,85,247,0.03) 0%,transparent 70%);animation-delay:4s}
@keyframes auraPulse{
  0%,100%{transform:scale(1);opacity:0.5}
  50%{transform:scale(1.3);opacity:1}
}

/* ========== CLICK ENERGY ========== */
.click-energy{
  position:fixed;pointer-events:none;z-index:9999;
  font-size:clamp(32px,5vw,56px);
  font-weight:900;
  animation:energyBurst 1.8s ease-out forwards;
  text-shadow:0 0 20px var(--gold-glow),0 0 40px var(--gold),0 0 80px var(--dragon-glow);
}
@keyframes energyBurst{
  0%{opacity:1;transform:translate(-50%,-50%) scale(0.2) rotate(-20deg)}
  20%{opacity:1;transform:translate(-50%,-50%) scale(1.3) rotate(5deg)}
  40%{opacity:1;transform:translate(-50%,-50%) scale(1) rotate(0deg)}
  100%{opacity:0;transform:translate(-50%,calc(-50% - 60px)) scale(1.5)}
}

.click-energy-ring{
  position:fixed;pointer-events:none;z-index:9998;
  width:120px;height:120px;border-radius:50%;
  border:2px solid var(--gold);
  transform:translate(-50%,-50%);
  animation:ringExpand 1.5s ease-out forwards;
}
@keyframes ringExpand{
  0%{width:20px;height:20px;opacity:1;border-width:3px}
  100%{width:200px;height:200px;opacity:0;border-width:0.5px}
}

/* Golden sparkle burst */
.click-sparkle{
  position:fixed;pointer-events:none;z-index:9997;
  width:6px;height:6px;border-radius:50%;
  background:var(--gold);
  box-shadow:0 0 8px var(--gold),0 0 16px var(--dragon);
  animation:sparkleFly 1s ease-out forwards;
}
@keyframes sparkleFly{
  0%{opacity:1;transform:translate(0,0) scale(1)}
  100%{opacity:0;transform:translate(var(--sx),var(--sy)) scale(0)}
}

/* ========== NAVBAR ========== */
.navbar{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(10,10,18,0.85);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid var(--border-subtle);
  transition:var(--transition);
}
.navbar.scrolled{box-shadow:0 4px 30px rgba(0,0,0,0.6);border-bottom-color:var(--border-gold)}
.navbar .container{display:flex;align-items:center;justify-content:space-between;height:70px}

.logo{
  display:flex;align-items:center;gap:10px;
  font-size:20px;font-weight:800;
  color:var(--gold);
  position:relative;
}
.logo::after{
  content:'';position:absolute;bottom:-4px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--gold),transparent);
  opacity:0.5;
}
.logo-icon{
  width:42px;height:42px;
  background:linear-gradient(135deg,var(--dragon),var(--phoenix));
  border-radius:var(--radius-sm);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:18px;font-weight:900;
  box-shadow:0 0 20px var(--dragon-glow);
}

.nav-links{display:flex;gap:28px;list-style:none;align-items:center}
.nav-links a{font-size:14px;color:var(--text-secondary);transition:color var(--transition);font-weight:500}
.nav-links a:hover{color:var(--gold)}
.nav-cta{
  background:linear-gradient(135deg,var(--dragon),var(--phoenix));
  color:#fff!important;
  padding:8px 22px;border-radius:24px;
  font-weight:700;box-shadow:0 0 20px var(--phoenix-glow);
  transition:all var(--transition)!important;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 0 30px var(--dragon-glow)!important;color:#fff!important}

.menu-toggle{display:none;background:none;border:none;font-size:26px;cursor:pointer;color:var(--gold)}

/* ========== HERO ========== */
.hero{
  position:relative;z-index:2;
  padding:160px 0 100px;
  text-align:center;
  min-height:100vh;display:flex;align-items:center;
}
.hero .container{position:relative;z-index:2}

.hero-badge{
  display:inline-block;
  background:rgba(255,215,0,0.08);
  border:1px solid var(--border-gold);
  color:var(--gold);
  padding:8px 24px;border-radius:24px;
  font-size:14px;font-weight:600;
  margin-bottom:28px;
  letter-spacing:1px;
}

.hero h1{
  font-size:clamp(28px,5vw,56px);
  font-weight:900;line-height:1.25;margin-bottom:20px;
  background:linear-gradient(135deg,#fff 0%,var(--gold) 30%,var(--phoenix) 60%,var(--dragon) 100%);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
  text-shadow:none;
  filter:drop-shadow(0 0 30px rgba(255,215,0,0.3));
}
.hero h1 .gold{color:var(--gold);-webkit-text-fill-color:var(--gold)}
.hero h1 .highlight{color:var(--dragon);-webkit-text-fill-color:var(--dragon)}
.hero h1 .op{color:var(--gold-dim);-webkit-text-fill-color:var(--gold-dim);font-size:0.8em}

.hero-subtitle{
  font-size:clamp(15px,2vw,18px);color:var(--text-secondary);
  max-width:700px;margin:0 auto 44px;line-height:1.9;
}

.hero-stats{display:flex;justify-content:center;gap:clamp(20px,4vw,56px);margin-bottom:48px;flex-wrap:wrap}
.stat-item{text-align:center}
.stat-number{font-size:clamp(28px,4vw,40px);font-weight:900;display:block;
  background:linear-gradient(135deg,var(--gold),var(--phoenix));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
}
.stat-label{font-size:13px;color:var(--text-muted);margin-top:4px;text-transform:uppercase;letter-spacing:2px}

.hero-buttons{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 36px;border-radius:30px;
  font-size:15px;font-weight:700;
  cursor:pointer;border:none;
  transition:all var(--transition);
  position:relative;overflow:hidden;
}
.btn-primary{
  background:linear-gradient(135deg,var(--dragon),var(--phoenix));
  color:#fff;box-shadow:0 4px 24px var(--dragon-glow);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 32px var(--phoenix-glow)}
.btn-outline{
  background:transparent;color:var(--gold);
  border:2px solid var(--border-gold);
}
.btn-outline:hover{background:rgba(255,215,0,0.08);border-color:var(--gold);transform:translateY(-2px)}

/* ========== SECTIONS COMMON ========== */
.section{position:relative;z-index:2;padding:100px 0}
.section-header{text-align:center;margin-bottom:64px}
.section-header h2{
  font-size:clamp(24px,3.5vw,40px);font-weight:900;margin-bottom:14px;
  background:linear-gradient(135deg,var(--gold),var(--phoenix));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
}
.section-header p{font-size:15px;color:var(--text-secondary);max-width:600px;margin:0 auto}
.section-header .divider{
  width:80px;height:3px;
  background:linear-gradient(90deg,transparent,var(--gold),transparent);
  margin:16px auto 0;border-radius:2px;
}

/* ========== FORMULA ========== */
.formula-section{background:var(--bg-card)}

.formula-display{
  text-align:center;
  font-size:clamp(20px,3vw,34px);font-weight:900;
  padding:36px;margin-bottom:52px;
  background:linear-gradient(135deg,rgba(255,215,0,0.05),rgba(255,68,68,0.05));
  border-radius:var(--radius);
  border:1px solid var(--border-gold);
  letter-spacing:2px;
  position:relative;
  overflow:hidden;
}
.formula-display::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(90deg,transparent,rgba(255,215,0,0.08),transparent);
  animation:formulaShine 3s infinite;
}
@keyframes formulaShine{
  0%{transform:translateX(-100%)}
  100%{transform:translateX(100%)}
}
.formula-display .fx{color:var(--gold)}
.formula-display .op{color:var(--text-muted);font-size:1.2em}
.formula-display .eq{color:var(--dragon)}

.cards-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:28px}

.card{
  background:var(--bg-surface);
  border-radius:var(--radius);
  padding:40px 30px;
  border:1px solid var(--border-subtle);
  transition:all var(--transition);
  position:relative;
  overflow:hidden;
}
.card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,transparent,var(--gold),transparent);
  opacity:0;transition:opacity var(--transition);
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-gold);border-color:var(--border-gold)}
.card:hover::before{opacity:1}
.card-icon{font-size:36px;margin-bottom:20px}
.card-icon.red{color:var(--dragon)}
.card-icon.gold{color:var(--gold)}
.card-icon.green{color:var(--cyan)}
.card h3{font-size:20px;font-weight:800;margin-bottom:8px;color:var(--gold)}
.card .card-tag{font-size:11px;color:var(--text-muted);font-weight:700;letter-spacing:2px;text-transform:uppercase;margin-bottom:14px}
.card p{font-size:14px;color:var(--text-secondary);line-height:1.8}
.card ul{margin-top:16px;list-style:none}
.card ul li{font-size:13px;color:var(--text-secondary);padding:6px 0 6px 24px;position:relative}
.card ul li::before{content:'✦';position:absolute;left:0;color:var(--gold);font-size:10px}

/* ========== DIMENSIONS ========== */
.dimensions-grid{display:flex;justify-content:center;align-items:center;gap:16px;flex-wrap:wrap}
.dim-card{
  background:var(--bg-surface);
  padding:48px 32px;
  border-radius:var(--radius);
  border:1px solid var(--border-subtle);
  transition:all var(--transition);
  text-align:center;min-width:140px;
}
.dim-card:hover{transform:translateY(-4px);border-color:var(--border-gold);box-shadow:var(--shadow-gold)}
.dim-char{font-size:52px;font-weight:900;display:block;margin-bottom:12px}
.dim-char.red{color:var(--dragon)}
.dim-char.gold{color:var(--gold)}
.dim-char.green{color:var(--cyan)}
.dim-card .dim-sub{font-size:16px;color:var(--text-secondary);font-weight:700}
.dim-equals{font-size:32px;color:var(--gold);font-weight:900;padding:0 8px}
.dim-result{
  background:linear-gradient(135deg,var(--dragon),var(--phoenix));
  color:#fff;font-size:18px;font-weight:800;
  padding:14px 36px;border-radius:28px;
  display:inline-block;margin-top:36px;
  box-shadow:0 0 30px var(--phoenix-glow);
}

/* ========== ABOUT ========== */
.about-section{background:var(--bg-deep)}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.about-info h2{
  font-size:clamp(26px,3vw,34px);font-weight:900;margin-bottom:16px;
  background:linear-gradient(135deg,var(--gold),var(--phoenix));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
}
.about-info .about-subtitle{color:var(--text-muted);font-size:14px;margin-bottom:24px}
.about-info p{font-size:14px;color:var(--text-secondary);line-height:2;margin-bottom:16px}
.about-details{
  background:var(--bg-surface);border-radius:var(--radius);
  padding:28px;margin-top:20px;border:1px solid var(--border-subtle)
}
.about-details .detail-row{display:flex;padding:10px 0;border-bottom:1px solid var(--border-subtle);font-size:13px}
.about-details .detail-row:last-child{border-bottom:none}
.detail-row .label{color:var(--text-muted);min-width:90px;flex-shrink:0}
.detail-row .value{color:var(--text-primary);font-weight:500}

.about-visual{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.about-card{
  background:var(--bg-surface);border-radius:var(--radius);
  padding:32px 20px;text-align:center;
  border:1px solid var(--border-subtle);transition:var(--transition)
}
.about-card:hover{border-color:var(--border-gold);box-shadow:var(--shadow-gold)}
.about-card .ac-number{font-size:32px;font-weight:900;
  background:linear-gradient(135deg,var(--gold),var(--phoenix));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
}
.about-card .ac-label{font-size:12px;color:var(--text-muted);margin-top:4px;letter-spacing:1px}

/* ========== SERVICES ========== */
.services-section{background:var(--bg-card)}
.services-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:28px}
.service-card{
  background:var(--bg-surface);border-radius:var(--radius);
  padding:40px 30px;border:1px solid var(--border-subtle);
  transition:all var(--transition);position:relative;overflow:hidden
}
.service-card::after{
  content:'';position:absolute;top:0;left:0;right:0;height:3px;
  transition:all var(--transition)
}
.service-card.s1::after{background:var(--dragon)}
.service-card.s2::after{background:var(--gold)}
.service-card.s3::after{background:var(--cyan)}
.service-card:hover{transform:translateY(-6px);border-color:var(--border-gold);box-shadow:var(--shadow-gold)}
.service-card .sc-icon{font-size:36px;margin-bottom:16px}
.service-card h3{font-size:20px;font-weight:800;margin-bottom:8px;color:var(--gold)}
.service-card .sc-subtitle{font-size:12px;color:var(--text-muted);margin-bottom:16px;letter-spacing:2px}
.service-card ul{list-style:none}
.service-card ul li{font-size:13px;color:var(--text-secondary);padding:5px 0 5px 20px;position:relative}
.service-card ul li::before{content:'◆';position:absolute;left:0;color:var(--gold);font-size:8px;top:8px}
.service-note{
  margin-top:36px;padding:20px;
  background:rgba(255,215,0,0.03);border-radius:var(--radius);
  border:1px solid var(--border-gold);
  font-size:12px;color:var(--text-muted);text-align:center;line-height:1.8
}

/* ========== PROGRAMS ========== */
.programs-section{background:var(--bg-deep)}
.programs-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(360px,1fr));gap:32px}
.program-card{
  background:var(--bg-surface);border-radius:var(--radius);
  overflow:hidden;border:1px solid var(--border-subtle);
  transition:all var(--transition)
}
.program-card:hover{transform:translateY(-6px);border-color:var(--border-gold);box-shadow:var(--shadow-gold)}
.program-header{padding:36px 30px 24px;text-align:center;border-bottom:1px solid var(--border-subtle)}
.program-header .ph-badge{font-size:11px;font-weight:800;letter-spacing:2px;color:var(--gold);margin-bottom:10px}
.program-header h3{font-size:22px;font-weight:800;color:var(--text-primary);margin-bottom:8px}
.program-header .ph-subtitle{font-size:13px;color:var(--text-muted)}
.program-body{padding:24px 30px}
.program-body .day-item{display:flex;gap:12px;padding:8px 0;font-size:13px;color:var(--text-secondary)}
.day-item .day-num{font-weight:800;color:var(--gold);min-width:60px}
.program-footer{padding:16px 30px 32px;text-align:center}
.program-footer .ph-tag{
  font-size:12px;color:var(--text-muted);
  background:rgba(255,215,0,0.05);padding:8px 18px;
  border-radius:18px;display:inline-block;
  border:1px solid var(--border-gold)
}

/* ========== TESTIMONIALS ========== */
.testimonials-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:28px}
.testimonial-card{
  background:var(--bg-surface);border-radius:var(--radius);
  padding:36px 30px;border:1px solid var(--border-subtle);
  position:relative;transition:var(--transition)
}
.testimonial-card::before{
  content:'"';position:absolute;top:16px;left:20px;
  font-size:72px;color:rgba(255,215,0,0.06);
  font-family:Georgia,serif;line-height:1
}
.testimonial-card:hover{border-color:var(--border-gold)}
.testimonial-card .tc-content{font-size:14px;color:var(--text-secondary);line-height:1.9;margin-bottom:20px;position:relative;z-index:1}
.tc-avatar{
  width:44px;height:44px;border-radius:50%;
  background:linear-gradient(135deg,var(--dragon),var(--phoenix));
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:800;font-size:16px
}
.tc-author{display:flex;align-items:center;gap:12px}
.tc-name{font-weight:700;font-size:14px;color:var(--text-primary)}
.tc-meta{font-size:12px;color:var(--text-muted)}
.disclaimer{margin-top:36px;text-align:center;font-size:11px;color:var(--text-muted);line-height:1.8}

/* ========== CONTACT ========== */
.contact-section{background:var(--bg-card)}
.contact-wrapper{
  max-width:640px;margin:0 auto;
  background:var(--bg-surface);border-radius:var(--radius);
  padding:52px 44px;border:1px solid var(--border-subtle);
  box-shadow:var(--shadow-card)
}
.form-group{margin-bottom:20px}
.form-group label{display:block;font-size:13px;font-weight:700;color:var(--text-secondary);margin-bottom:6px}
.form-group label .required{color:var(--dragon)}
.form-group input,.form-group select,.form-group textarea{
  width:100%;padding:12px 16px;
  border:1px solid var(--border-subtle);
  border-radius:var(--radius-sm);font-size:14px;
  font-family:inherit;color:var(--text-primary);
  background:var(--bg-card);
  transition:border var(--transition)
}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{
  outline:none;border-color:var(--gold);
  box-shadow:0 0 16px var(--gold-glow)
}
.form-group textarea{resize:vertical;min-height:110px}
.form-submit{
  width:100%;padding:15px;
  background:linear-gradient(135deg,var(--dragon),var(--phoenix));
  color:#fff;border:none;border-radius:var(--radius-sm);
  font-size:16px;font-weight:800;cursor:pointer;
  transition:all var(--transition);
  box-shadow:0 4px 20px var(--dragon-glow)
}
.form-submit:hover{transform:translateY(-2px);box-shadow:0 8px 30px var(--phoenix-glow)}
.form-privacy{font-size:11px;color:var(--text-muted);text-align:center;margin-top:16px;line-height:1.8}
.form-success{display:none;text-align:center;padding:32px}
.form-success .success-icon{font-size:60px;margin-bottom:16px}
.form-success h3{font-size:22px;color:var(--gold);margin-bottom:8px}
.form-success p{color:var(--text-secondary)}

/* ========== FOOTER ========== */
.footer{
  background:rgba(0,0,0,0.4);
  border-top:1px solid var(--border-gold);
  padding:60px 0 30px;position:relative;z-index:2
}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-col h4{color:var(--gold);font-size:15px;font-weight:800;margin-bottom:16px}
.footer-col ul{list-style:none}
.footer-col ul li{margin-bottom:8px}
.footer-col ul li a{font-size:13px;color:var(--text-muted);transition:color var(--transition)}
.footer-col ul li a:hover{color:var(--gold)}
.footer-company p{font-size:13px;line-height:2;margin-bottom:4px;color:var(--text-muted)}
.footer-bottom{border-top:1px solid var(--border-subtle);padding-top:24px;text-align:center;font-size:12px;color:var(--text-muted)}

/* ========== TOAST ========== */
.toast{
  position:fixed;top:24px;right:24px;z-index:9999;
  background:var(--bg-surface);color:var(--text-primary);
  padding:14px 24px;border-radius:var(--radius-sm);
  font-size:13px;border:1px solid var(--border-gold);
  box-shadow:var(--shadow-card);
  opacity:0;transform:translateX(100%);
  transition:all 0.3s ease
}
.toast.show{opacity:1;transform:translateX(0)}
.toast.success{border-color:var(--cyan);color:var(--cyan)}
.toast.error{border-color:var(--dragon);color:var(--dragon)}

/* ========== GWD FLOAT BTN UPGRADE ========== */
.gwd-float-btn{
  position:fixed;bottom:30px;right:30px;z-index:9999;
  width:64px;height:64px;border-radius:50%;
  background:linear-gradient(135deg,var(--gold),var(--phoenix));
  border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;
  font-size:30px;box-shadow:0 0 30px var(--gold-glow),0 0 60px var(--dragon-glow);
  transition:all var(--transition);animation:gwdPulse 2s infinite
}
.gwd-float-btn:hover{transform:scale(1.15);box-shadow:0 0 40px var(--gold-glow),0 0 80px var(--phoenix-glow)}
@keyframes gwdPulse{
  0%,100%{box-shadow:0 0 30px var(--gold-glow),0 0 60px var(--dragon-glow)}
  50%{box-shadow:0 0 50px var(--gold-glow),0 0 100px var(--phoenix-glow),0 0 150px var(--dragon-glow)}
}

/* ========== MUSIC PLAYER FLOAT BTN ========== */
.music-float-btn{
  position:fixed;bottom:30px;right:110px;z-index:9999;
  width:64px;height:64px;border-radius:50%;
  background:linear-gradient(135deg,#6c5ce7,#a29bfe);
  border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;
  font-size:28px;box-shadow:0 0 20px rgba(108,92,231,0.4),0 0 40px rgba(162,155,254,0.3);
  transition:all 0.3s ease;
}
.music-float-btn:hover{transform:scale(1.15);box-shadow:0 0 30px rgba(108,92,231,0.6),0 0 60px rgba(162,155,254,0.5)}
.music-float-btn.playing{
  animation:musicPulse 1.5s ease-in-out infinite;
  background:linear-gradient(135deg,#a29bfe,#fd79a8);
}
.music-float-btn.playing .music-icon{animation:musicSpin 3s linear infinite}
@keyframes musicPulse{
  0%,100%{box-shadow:0 0 20px rgba(108,92,231,0.4),0 0 40px rgba(162,155,254,0.3)}
  50%{box-shadow:0 0 40px rgba(253,121,168,0.6),0 0 80px rgba(108,92,231,0.6),0 0 120px rgba(162,155,254,0.4)}
}
@keyframes musicSpin{
  from{transform:rotate(0deg)}
  to{transform:rotate(360deg)}
}
.music-tooltip{
  position:fixed;bottom:104px;right:100px;z-index:9998;
  background:rgba(0,0,0,0.85);color:#fff;padding:6px 14px;border-radius:20px;
  font-size:12px;white-space:nowrap;pointer-events:none;
  opacity:0;transform:translateY(10px);transition:all 0.3s ease;
  border:1px solid rgba(162,155,254,0.4);
}
.music-tooltip.show{opacity:1;transform:translateY(0)}
.music-tooltip.warn{animation:tooltipWarn 2s ease-in-out infinite}
@keyframes tooltipWarn{
  0%,100%{opacity:0;transform:translateY(10px)}
  30%,70%{opacity:1;transform:translateY(0)}
}

@media(max-width:768px){
  .music-float-btn{bottom:20px;right:90px;width:56px;height:56px;font-size:24px}
  .music-tooltip{bottom:86px;right:80px}
}
.gwd-chat-panel{
  position:fixed;bottom:104px;right:30px;z-index:9998;
  width:420px;height:600px;max-height:calc(100vh-140px);
  background:var(--bg-surface);border-radius:var(--radius);
  box-shadow:var(--shadow-card);display:none;flex-direction:column;overflow:hidden;
  border:1px solid var(--border-gold)
}
.gwd-chat-panel.open{display:flex}
.gwd-chat-panel-header{
  background:linear-gradient(135deg,var(--gold),var(--phoenix));
  padding:14px 18px;display:flex;align-items:center;justify-content:space-between
}
.gwd-chat-panel-header h3{color:#1a1a2e;font-size:14px;margin:0}
.gwd-chat-panel-header button{background:none;border:none;color:#1a1a2e;font-size:20px;cursor:pointer}
.gwd-chat-panel-body{flex:1;overflow:hidden}
.gwd-chat-panel-body iframe{width:100%;height:100%;border:none}

/* ========== RESPONSIVE ========== */
@media(max-width:1024px){
  .about-grid{grid-template-columns:1fr;gap:40px}
  .footer-grid{grid-template-columns:1fr 1fr}
}

@media(max-width:768px){
  .nav-links{display:none}
  .nav-links.open{
    display:flex;flex-direction:column;
    position:absolute;top:70px;left:0;right:0;
    background:rgba(10,10,18,0.98);
    backdrop-filter:blur(20px);
    padding:24px;gap:16px;
    border-bottom:1px solid var(--border-gold)
  }
  .menu-toggle{display:block}

  .hero{padding:140px 0 80px;min-height:auto}

  .dimensions-grid{flex-direction:column}
  .dim-equals{transform:rotate(90deg)}
  .programs-grid{grid-template-columns:1fr}
  .testimonials-grid{grid-template-columns:1fr}
  .cards-grid{grid-template-columns:1fr}
  .services-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .contact-wrapper{padding:32px 24px}

  .gwd-chat-panel{width:calc(100vw-40px);right:20px;height:500px}
  .gwd-float-btn{bottom:20px;right:20px;width:56px;height:56px}
}

@media(max-width:480px){
  .hero-stats{flex-direction:column;gap:16px}
  .hero-buttons{flex-direction:column;align-items:center}
  .footer-grid{grid-template-columns:1fr}
  .formula-display{font-size:18px;padding:24px 16px}
  .navbar .container{height:60px}
  .logo{font-size:16px}
  .logo-icon{width:34px;height:34px;font-size:15px}
  .section{padding:60px 0}
}

/* ========== H5 / WECHAT ========== */
@media(max-width:375px){
  html{font-size:14px}
  .hero h1{font-size:24px}
  .hero-subtitle{font-size:13px}
  .btn{padding:12px 24px;font-size:13px}
}

/* Touch device optimization */
@media(hover:none){
  .card:hover,.service-card:hover,.program-card:hover{transform:none}
  .card:active,.service-card:active,.program-card:active{transform:scale(0.98)}
}

/* ===== v3.4: Copyright Protection & Anti-Recording ===== */
/* Disable text selection on content areas (inputs/textarea exempt via JS) */
.protected-content {
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
}

/* Anti-drag protection */
img.protected, .protected-content img {
  -webkit-user-drag: none;
  -khtml-user-drag: none;
  -moz-user-drag: none;
  -o-user-drag: none;
  user-drag: none;
  pointer-events: auto;
}

/* Copyright footer bar */
.copyright-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: rgba(10, 10, 18, 0.95);
  border-top: 1px solid rgba(201, 168, 76, 0.2);
  padding: 8px 20px;
  text-align: center;
  font-size: 11px;
  color: #666;
  z-index: 9990;
  pointer-events: none;
}

/* QR float button */
.qr-float-btn {
  position: fixed;
  bottom: 80px;
  right: 20px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, #C9A84C, #F0D060);
  border: none;
  cursor: pointer;
  z-index: 9995;
  box-shadow: 0 4px 16px rgba(201, 168, 76, 0.3);
  transition: transform 0.2s, box-shadow 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}
.qr-float-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 24px rgba(201, 168, 76, 0.5);
}

/* Legal notice banner */
.legal-notice-banner {
  background: linear-gradient(90deg, #1a1a2e, #16213e);
  border-bottom: 1px solid rgba(201, 168, 76, 0.2);
  padding: 6px 20px;
  text-align: center;
  font-size: 11px;
  color: #888;
}
.legal-notice-banner a {
  color: #C9A84C;
  text-decoration: none;
  margin: 0 6px;
}
.legal-notice-banner a:hover {
  text-decoration: underline;
}