/* ===== Best of Beauty Academy · 黑金奢华 ===== */
:root{
  --bg:#0a0a0a;
  --bg-2:#141414;
  --bg-3:#1c1c1c;
  --gold:#d4af37;
  --gold-light:#f4d03f;
  --gold-dark:#9a7b0a;
  --cream:#f8f6f0;
  --text:#e8e6df;
  --muted:#9a9690;
  --gold-grad:linear-gradient(135deg,#f4d03f 0%,#d4af37 50%,#9a7b0a 100%);
  --gold-grad-soft:linear-gradient(135deg,#e8c66b 0%,#b8860b 100%);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Noto Serif SC','Playfair Display',Georgia,serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  overflow-x:hidden;
}

img,svg{max-width:100%;display:block}
a{color:var(--gold);text-decoration:none;transition:.3s}
a:hover{color:var(--gold-light)}

/* ---- NAV ---- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(10,10,10,.92);backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(212,175,55,.18);
  padding:14px 6%;
  display:flex;align-items:center;justify-content:space-between;
}
.nav-logo{display:flex;align-items:center;gap:12px}
.nav-logo img{height:46px;width:auto}
.nav-logo .brand{
  font-family:'Playfair Display',Georgia,serif;
  font-size:18px;font-weight:700;
  background:var(--gold-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  letter-spacing:1.5px;
}
.nav-logo .brand small{display:block;font-size:11px;color:var(--muted);letter-spacing:4px;margin-top:2px}
.nav-links{display:flex;gap:32px;list-style:none}
.nav-links a{
  color:var(--text);font-size:14px;letter-spacing:1.5px;
  text-transform:uppercase;font-weight:500;position:relative;
}
.nav-links a::after{
  content:'';position:absolute;left:0;bottom:-6px;width:0;height:1px;
  background:var(--gold-grad);transition:.3s;
}
.nav-links a:hover::after{width:100%}
.nav-cta{
  padding:10px 22px;border:1px solid var(--gold);
  color:var(--gold);font-size:13px;letter-spacing:1.5px;
  background:transparent;cursor:pointer;transition:.3s;
}
.nav-cta:hover{background:var(--gold);color:var(--bg)}

@media (max-width:880px){
  .nav-links{display:none}
}

/* ---- HERO ---- */
.hero{
  min-height:100vh;padding:140px 6% 80px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;position:relative;overflow:hidden;
  background:
    radial-gradient(ellipse at top,rgba(212,175,55,.15) 0%,transparent 50%),
    radial-gradient(ellipse at bottom,rgba(212,175,55,.08) 0%,transparent 50%),
    linear-gradient(180deg,#0a0a0a 0%,#141414 100%);
}
.hero::before,.hero::after{
  content:'';position:absolute;width:300px;height:300px;
  background:radial-gradient(circle,rgba(212,175,55,.2) 0%,transparent 70%);
  border-radius:50%;filter:blur(60px);
}
.hero::before{top:10%;left:5%}
.hero::after{bottom:10%;right:5%}

.hero-inner{position:relative;z-index:2;max-width:1100px}
.hero-logo{width:180px;margin:0 auto 30px;filter:drop-shadow(0 0 30px rgba(212,175,55,.4))}
.hero-eyebrow{
  font-size:13px;letter-spacing:6px;color:var(--gold);
  text-transform:uppercase;margin-bottom:24px;
}
.hero h1{
  font-family:'Playfair Display',Georgia,serif;
  font-size:clamp(40px,7vw,82px);font-weight:700;line-height:1.05;
  background:var(--gold-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:18px;
}
.hero .cn-title{
  font-family:'Noto Serif SC',serif;font-size:clamp(22px,3vw,32px);
  color:var(--cream);letter-spacing:8px;margin-bottom:30px;font-weight:500;
}
.hero .divider{
  width:100px;height:1px;background:var(--gold-grad);
  margin:30px auto;position:relative;
}
.hero .divider::before,.hero .divider::after{
  content:'';position:absolute;top:-3px;width:7px;height:7px;border-radius:50%;
  background:var(--gold);
}
.hero .divider::before{left:-15px}
.hero .divider::after{right:-15px}
.hero p.lead{
  font-size:18px;color:var(--text);max-width:720px;margin:0 auto 40px;
  line-height:1.9;
}
.hero-stats{
  display:flex;gap:60px;justify-content:center;flex-wrap:wrap;margin-top:50px;
}
.hero-stats .stat{text-align:center}
.hero-stats .num{
  font-family:'Playfair Display',serif;font-size:46px;
  background:var(--gold-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  font-weight:700;
}
.hero-stats .label{font-size:12px;letter-spacing:3px;color:var(--muted);text-transform:uppercase;margin-top:6px}

/* ---- BUTTONS ---- */
.btn{
  display:inline-block;padding:16px 42px;font-size:14px;
  letter-spacing:3px;text-transform:uppercase;cursor:pointer;
  border:none;font-family:inherit;transition:.4s;position:relative;overflow:hidden;
}
.btn-gold{
  background:var(--gold-grad);color:var(--bg);font-weight:600;
  box-shadow:0 10px 30px rgba(212,175,55,.25);
}
.btn-gold:hover{transform:translateY(-3px);box-shadow:0 15px 40px rgba(212,175,55,.45);color:var(--bg)}
.btn-ghost{background:transparent;color:var(--gold);border:1px solid var(--gold)}
.btn-ghost:hover{background:var(--gold);color:var(--bg)}
.btn-group{display:flex;gap:18px;justify-content:center;flex-wrap:wrap}

/* ---- SECTION ---- */
section{padding:100px 6%}
.section-head{text-align:center;margin-bottom:70px}
.section-head .eyebrow{
  font-size:12px;letter-spacing:5px;color:var(--gold);text-transform:uppercase;margin-bottom:14px;
}
.section-head h2{
  font-family:'Playfair Display',serif;font-size:clamp(34px,5vw,56px);font-weight:700;
  background:var(--gold-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:10px;
}
.section-head .cn{
  font-family:'Noto Serif SC',serif;font-size:20px;color:var(--cream);letter-spacing:6px;
}
.section-head .divider{
  width:80px;height:1px;background:var(--gold);margin:24px auto;
}

/* ---- COURSES GRID ---- */
.courses{background:var(--bg-2)}
.course-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));
  gap:30px;max-width:1280px;margin:0 auto;
}
.course-card{
  background:linear-gradient(145deg,#1c1c1c 0%,#0e0e0e 100%);
  border:1px solid rgba(212,175,55,.2);padding:42px 32px;
  position:relative;overflow:hidden;transition:.4s;text-align:center;
}
.course-card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:2px;
  background:var(--gold-grad);transform:scaleX(0);transform-origin:left;transition:.5s;
}
.course-card:hover{transform:translateY(-8px);border-color:var(--gold);box-shadow:0 25px 50px rgba(0,0,0,.5)}
.course-card:hover::before{transform:scaleX(1)}
.course-icon{
  width:70px;height:70px;margin:0 auto 22px;border:1px solid var(--gold);
  border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:32px;color:var(--gold);
}
.course-card h3{
  font-family:'Playfair Display',serif;font-size:24px;color:var(--gold-light);
  margin-bottom:6px;letter-spacing:1px;
}
.course-card .cn{font-family:'Noto Serif SC',serif;font-size:18px;color:var(--cream);margin-bottom:18px;letter-spacing:3px}
.course-card .meta{
  display:flex;justify-content:center;gap:20px;margin:18px 0;
  font-size:13px;color:var(--muted);letter-spacing:2px;
}
.course-card .meta span{display:flex;align-items:center;gap:6px}
.course-card .desc{font-size:14px;color:var(--text);margin-bottom:24px;line-height:1.8;min-height:65px}
.course-card .price{
  font-family:'Playfair Display',serif;font-size:36px;font-weight:700;
  background:var(--gold-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:20px;
}
.course-card .price small{font-size:14px;color:var(--muted);font-weight:400;margin-left:6px}
.course-card .btn{padding:12px 32px;font-size:12px}
.course-card .gift{
  display:inline-block;padding:4px 12px;background:rgba(212,175,55,.15);
  color:var(--gold);font-size:11px;letter-spacing:2px;border-radius:2px;margin-bottom:12px;
}

/* ---- BUNDLE ---- */
.bundle{
  background:
    radial-gradient(ellipse at center,rgba(212,175,55,.12) 0%,transparent 70%),
    var(--bg);
  text-align:center;
}
.bundle-card{
  max-width:900px;margin:0 auto;padding:70px 50px;
  border:2px solid var(--gold);
  background:linear-gradient(145deg,#1a1a1a 0%,#0a0a0a 100%);
  position:relative;
}
.bundle-card::before{
  content:'限量 6 名 · LIMITED 6 SEATS';position:absolute;top:-15px;left:50%;transform:translateX(-50%);
  background:var(--gold-grad);color:var(--bg);padding:6px 24px;font-size:11px;letter-spacing:4px;font-weight:700;
}
.bundle-card h2{
  font-family:'Playfair Display',serif;font-size:42px;
  background:var(--gold-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:8px;
}
.bundle-card .cn{font-size:22px;color:var(--cream);letter-spacing:6px;margin-bottom:30px}
.bundle-card .price-row{
  display:flex;justify-content:center;align-items:baseline;gap:30px;margin:30px 0;flex-wrap:wrap;
}
.bundle-card .original{font-size:24px;color:var(--muted);text-decoration:line-through}
.bundle-card .now{
  font-family:'Playfair Display',serif;font-size:72px;font-weight:700;
  background:var(--gold-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.bundle-card .save{
  display:inline-block;padding:8px 18px;background:#a02020;color:#fff;
  font-size:13px;letter-spacing:2px;font-weight:600;
}
.bundle-card ul{
  list-style:none;text-align:left;max-width:500px;margin:30px auto;
  display:grid;grid-template-columns:1fr 1fr;gap:12px;
}
.bundle-card ul li{font-size:14px;color:var(--text);padding-left:22px;position:relative}
.bundle-card ul li::before{content:'✦';position:absolute;left:0;color:var(--gold)}

/* ---- ABOUT / MENTOR ---- */
.about{background:var(--bg-2)}
.about-grid{
  max-width:1200px;margin:0 auto;
  display:grid;grid-template-columns:1fr 1.3fr;gap:60px;align-items:center;
}
.about-portrait{
  aspect-ratio:3/4;background:
    linear-gradient(135deg,rgba(212,175,55,.15) 0%,rgba(10,10,10,.8) 100%),
    radial-gradient(circle at center,#2a2a2a 0%,#0a0a0a 100%);
  border:1px solid var(--gold);position:relative;
  display:flex;align-items:center;justify-content:center;flex-direction:column;
  padding:30px;
}
.about-portrait .name{
  font-family:'Playfair Display',serif;font-size:48px;font-weight:700;
  background:var(--gold-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  letter-spacing:4px;
}
.about-portrait .role{font-size:14px;color:var(--cream);letter-spacing:6px;margin-top:14px}
.about-portrait .deco{
  position:absolute;top:20px;left:20px;right:20px;bottom:20px;border:1px solid rgba(212,175,55,.3);
}
.about-text h2{
  font-family:'Playfair Display',serif;font-size:42px;
  background:var(--gold-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:8px;
}
.about-text .cn{font-size:20px;color:var(--cream);letter-spacing:4px;margin-bottom:24px}
.about-text p{margin-bottom:18px;font-size:15px;line-height:1.9}
.creds{
  display:flex;gap:20px;flex-wrap:wrap;margin-top:30px;
}
.cred{
  padding:14px 22px;border:1px solid var(--gold);
  font-size:12px;letter-spacing:2px;color:var(--gold);
}
.cred strong{display:block;font-size:16px;color:var(--gold-light);margin-bottom:4px;letter-spacing:3px}

@media (max-width:880px){.about-grid{grid-template-columns:1fr}}

/* ---- WHY ---- */
.why-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
  gap:30px;max-width:1200px;margin:0 auto;
}
.why-item{
  text-align:center;padding:40px 24px;
  border:1px solid rgba(212,175,55,.18);transition:.3s;
}
.why-item:hover{border-color:var(--gold);background:rgba(212,175,55,.04)}
.why-item .num{
  font-family:'Playfair Display',serif;font-size:48px;
  background:var(--gold-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:12px;
}
.why-item h4{font-size:18px;color:var(--gold-light);margin-bottom:10px;letter-spacing:2px}
.why-item p{font-size:14px;color:var(--muted)}

/* ---- CTA / CONTACT ---- */
.contact{
  background:
    radial-gradient(ellipse at top,rgba(212,175,55,.18) 0%,transparent 60%),
    var(--bg);
  text-align:center;
}
.contact-grid{
  max-width:1000px;margin:50px auto 0;
  display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:30px;
}
.contact-item{padding:30px;border:1px solid rgba(212,175,55,.2)}
.contact-item .label{font-size:11px;letter-spacing:4px;color:var(--gold);text-transform:uppercase;margin-bottom:10px}
.contact-item .val{font-size:16px;color:var(--cream)}
.contact-item .val.big{font-size:22px;font-family:'Playfair Display',serif}

/* ---- FOOTER ---- */
footer{
  background:#050505;border-top:1px solid rgba(212,175,55,.2);
  padding:50px 6% 30px;text-align:center;
}
footer .brand{
  font-family:'Playfair Display',serif;font-size:22px;letter-spacing:3px;
  background:var(--gold-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:8px;
}
footer .cn{color:var(--cream);letter-spacing:6px;margin-bottom:24px}
footer .legal{font-size:12px;color:var(--muted);line-height:1.9}
footer .legal a{color:var(--gold)}

/* ---- COURSE DETAIL PAGE ---- */
.course-hero{
  min-height:60vh;padding:160px 6% 80px;
  background:
    radial-gradient(ellipse at top,rgba(212,175,55,.15) 0%,transparent 60%),
    var(--bg);
  text-align:center;
}
.course-hero .tag{display:inline-block;padding:6px 18px;border:1px solid var(--gold);font-size:11px;letter-spacing:4px;color:var(--gold);margin-bottom:24px}
.course-hero h1{
  font-family:'Playfair Display',serif;font-size:clamp(40px,6vw,72px);font-weight:700;
  background:var(--gold-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.course-hero .cn-title{font-family:'Noto Serif SC',serif;font-size:28px;color:var(--cream);letter-spacing:8px;margin-top:10px}
.course-hero .price-tag{
  margin-top:36px;font-family:'Playfair Display',serif;font-size:60px;font-weight:700;
  background:var(--gold-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.course-hero .meta{margin-top:14px;font-size:14px;color:var(--muted);letter-spacing:4px}

.course-content{max-width:1000px;margin:0 auto}
.course-content h3{
  font-family:'Playfair Display',serif;font-size:30px;
  background:var(--gold-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  margin:50px 0 20px;padding-bottom:14px;border-bottom:1px solid rgba(212,175,55,.2);
}
.course-content h3 .cn{display:block;font-size:16px;color:var(--cream);letter-spacing:4px;margin-top:6px;font-family:'Noto Serif SC',serif}
.course-content p{margin-bottom:18px;font-size:15px;line-height:1.9}
.course-content ul{margin:18px 0 24px 24px}
.course-content ul li{margin-bottom:10px;font-size:15px;line-height:1.8;color:var(--text);padding-left:18px;position:relative;list-style:none}
.course-content ul li::before{content:'✦';position:absolute;left:0;color:var(--gold)}

.curriculum{display:grid;gap:18px;margin:24px 0}
.day{
  padding:24px 30px;background:var(--bg-3);border-left:3px solid var(--gold);
}
.day .day-label{font-family:'Playfair Display',serif;font-size:20px;color:var(--gold-light);margin-bottom:6px;letter-spacing:2px}
.day p{margin:0;font-size:14px}

.back-link{
  display:inline-block;margin-top:50px;padding:14px 32px;
  border:1px solid var(--gold);color:var(--gold);font-size:13px;letter-spacing:3px;
}
.back-link:hover{background:var(--gold);color:var(--bg)}

/* ===== POSTER PAGE ===== */
.poster-frame{
  width:1080px;height:1440px;margin:20px auto;
  background:var(--bg);position:relative;overflow:hidden;
  box-shadow:0 30px 80px rgba(0,0,0,.6);
}
@media print{
  body{background:#fff}
  .poster-frame{margin:0;box-shadow:none}
  @page{size:1080px 1440px;margin:0}
}