:root {
    --bg: #0a0a0a;
    --bg2: #111;
    --bg3: #1a1a1a;
    --gold: #c9a96e;
    --gold-light: #d4b97a;
    --text: #f5f5f5;
    --text2: #b0b0b0;
    --text3: #666;
    --border: rgba(255,255,255,0.08);
    --gold-border: rgba(201,169,110,0.3);
    --font-serif: 'Noto Serif SC', serif;
    --font-sans: 'Noto Sans SC', sans-serif;
    --section-pad: 100px;
    --container: 1200px;
    --ease: 0.4s cubic-bezier(0.25,0.46,0.45,0.94);
}

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--font-sans);background:var(--bg);color:var(--text);line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit;transition:var(--ease)}
img{max-width:100%;display:block}
.container{max-width:var(--container);margin:0 auto;padding:0 40px}
.text-gold{color:var(--gold)}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 36px;font-family:var(--font-sans);font-size:0.875rem;font-weight:500;letter-spacing:0.1em;text-transform:uppercase;border:none;cursor:pointer;transition:var(--ease);position:relative;overflow:hidden}
.btn::before{content:'';position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,0.1),transparent);transition:0.6s}
.btn:hover::before{left:100%}
.btn-gold{background:var(--gold);color:#0a0a0a}
.btn-gold:hover{background:var(--gold-light);transform:translateY(-2px);box-shadow:0 8px 30px rgba(201,169,110,0.3)}
.btn-outline-gold{background:transparent;color:var(--gold);border:1px solid var(--gold-border)}
.btn-outline-gold:hover{background:rgba(201,169,110,0.1);border-color:var(--gold)}
.btn-lg{padding:18px 48px;font-size:1rem}

/* NAVBAR */
.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;padding:20px 0;transition:var(--ease);background:transparent}
.navbar.scrolled{background:rgba(10,10,10,0.95);backdrop-filter:blur(20px);padding:12px 0;border-bottom:1px solid var(--border)}
.nav-inner{max-width:var(--container);margin:0 auto;padding:0 40px;display:flex;align-items:center;justify-content:space-between}
.nav-brand{font-family:var(--font-serif);font-size:1.25rem;font-weight:700}
.nav-links{display:flex;gap:28px}
.nav-link{font-size:0.8125rem;color:var(--text2);letter-spacing:0.05em;position:relative}
.nav-link::after{content:'';position:absolute;bottom:-4px;left:0;width:0;height:1px;background:var(--gold);transition:var(--ease)}
.nav-link:hover{color:var(--text)}.nav-link:hover::after{width:100%}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.nav-toggle span{display:block;width:24px;height:1.5px;background:var(--text);transition:var(--ease)}
.nav-toggle.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}
.mobile-menu{display:none;position:fixed;inset:0;background:rgba(10,10,10,0.98);z-index:999;flex-direction:column;align-items:center;justify-content:center;gap:32px;opacity:0;visibility:hidden;transition:var(--ease)}
.mobile-menu.active{opacity:1;visibility:visible}
.mobile-link{font-family:var(--font-serif);font-size:1.5rem;color:var(--text)}

/* HERO */
.hero{position:relative;height:100vh;overflow:hidden;display:flex;align-items:center;justify-content:center}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-gradient{position:absolute;inset:0;background:radial-gradient(ellipse at 30% 50%,rgba(201,169,110,0.12) 0%,transparent 50%),radial-gradient(ellipse at 70% 30%,rgba(201,169,110,0.06) 0%,transparent 40%),linear-gradient(180deg,rgba(10,10,10,0) 0%,rgba(10,10,10,0.9) 100%)}
.hero-noise{position:absolute;inset:0;opacity:0.03;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='1'/%3E%3C/svg%3E");background-size:256px 256px;pointer-events:none}
.hero-content{position:relative;z-index:2;text-align:center;padding:0 40px;animation:fadeUp 1.2s ease-out}
.hero-tag{font-size:0.75rem;letter-spacing:0.3em;color:var(--gold);text-transform:uppercase;margin-bottom:24px}
.hero-title{font-family:var(--font-serif);font-size:clamp(3rem,10vw,7rem);font-weight:900;letter-spacing:0.05em;background:linear-gradient(135deg,var(--text) 0%,var(--text2) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:24px}
.hero-slogan{font-size:clamp(1.125rem,2.5vw,1.5rem);color:var(--text2);margin-bottom:48px;letter-spacing:0.15em}
.hero-scroll{position:absolute;bottom:40px;left:50%;transform:translateX(-50%);z-index:2;display:flex;flex-direction:column;align-items:center;gap:12px}
.hero-scroll span{font-size:0.625rem;letter-spacing:0.2em;color:var(--text3);text-transform:uppercase}
.scroll-line{width:1px;height:40px;background:linear-gradient(to bottom,var(--gold),transparent);animation:scrollPulse 2s ease-in-out infinite}

@keyframes fadeUp{from{opacity:0;transform:translateY(40px)}to{opacity:1;transform:translateY(0)}}
@keyframes scrollPulse{0%,100%{opacity:1;transform:scaleY(1)}50%{opacity:0.5;transform:scaleY(0.7)}}

/* SECTION HEADER */
.section-header{text-align:center;margin-bottom:64px}
.section-tag{display:inline-block;font-size:0.75rem;letter-spacing:0.2em;color:var(--gold);text-transform:uppercase;margin-bottom:16px}
.section-title{font-family:var(--font-serif);font-size:clamp(2rem,4vw,3rem);font-weight:700;margin-bottom:20px}
.section-line{width:60px;height:1px;background:var(--gold);margin:0 auto}

/* ABOUT */
.about{padding:var(--section-pad) 0}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.about-quote{font-family:var(--font-serif);font-size:1.75rem;font-weight:600;color:var(--gold);border-left:2px solid var(--gold);padding-left:24px;margin-bottom:32px}
.about-desc{font-size:1rem;line-height:1.8;color:var(--text2);margin-bottom:24px}
.about-features{display:flex;flex-direction:column;gap:14px;margin-top:32px}
.feature{display:flex;align-items:center;gap:12px;font-size:0.9375rem;color:var(--text2)}
.feature-dot{width:6px;height:6px;background:var(--gold);border-radius:50%;flex-shrink:0}
.about-image{border:1px solid var(--border);overflow:hidden}
.about-image img{width:100%;height:auto;display:block}

/* WORKS */
.works{padding:var(--section-pad) 0;background:var(--bg2)}
.works-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.work-item{position:relative;overflow:hidden;border:1px solid var(--border);cursor:pointer}
.work-item:hover{border-color:var(--gold-border)}
.work-img{aspect-ratio:4/3;overflow:hidden}
.work-img img{width:100%;height:100%;object-fit:cover;transition:transform 0.6s ease}
.work-item:hover .work-img img{transform:scale(1.08)}
.work-info{position:absolute;bottom:0;left:0;right:0;padding:24px;background:linear-gradient(to top,rgba(0,0,0,0.9),transparent);opacity:0;transform:translateY(10px);transition:var(--ease)}
.work-item:hover .work-info{opacity:1;transform:translateY(0)}
.work-info h3{font-family:var(--font-serif);font-size:1.125rem;font-weight:600;margin-bottom:4px}
.work-info p{font-size:0.8125rem;color:var(--text2)}
.work-large{grid-column:span 2}
.work-tall{grid-row:span 2}
.work-tall .work-img{aspect-ratio:auto;height:100%}
.work-wide{grid-column:span 2}

/* AWARDS */
.awards{padding:var(--section-pad) 0}
.awards-intro{text-align:center;font-size:1.125rem;color:var(--text2);margin-bottom:48px;max-width:700px;margin-left:auto;margin-right:auto}
.awards-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-bottom:64px}
.award-card{background:var(--bg2);border:1px solid var(--border);padding:40px;transition:var(--ease)}
.award-card:hover{border-color:var(--gold-border)}
.award-icon{font-size:1.5rem;margin-bottom:16px}
.award-card h3{font-family:var(--font-serif);font-size:1.375rem;font-weight:700;margin-bottom:20px}
.award-card ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.award-card li{padding-left:16px;position:relative;font-size:0.875rem;line-height:1.5;color:var(--text2)}
.award-card li::before{content:'';position:absolute;left:0;top:8px;width:6px;height:1px;background:var(--gold)}
.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;text-align:center;padding-top:48px;border-top:1px solid var(--border)}
.stat-num{display:block;font-family:var(--font-serif);font-size:2.5rem;font-weight:700;color:var(--gold);line-height:1;margin-bottom:8px}
.stat-label{font-size:0.9375rem;color:var(--text2)}

/* PRINCIPLES */
.principles{padding:var(--section-pad) 0;background:var(--bg2)}
.principles-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.principle-card{background:var(--bg3);border:1px solid var(--border);padding:40px 32px;text-align:center;transition:var(--ease)}
.principle-card:hover{border-color:var(--gold-border);transform:translateY(-4px)}
.principle-num{font-family:var(--font-serif);font-size:0.875rem;color:var(--gold);letter-spacing:0.1em;margin-bottom:20px}
.principle-card h3{font-family:var(--font-serif);font-size:1.375rem;font-weight:700;margin-bottom:12px}
.principle-card p{font-size:0.875rem;color:var(--text2);line-height:1.6}

/* TEAM */
.team{padding:var(--section-pad) 0}
.team-intro{text-align:center;font-size:1.125rem;color:var(--text2);margin-bottom:48px}
.team-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;margin-bottom:64px}
.team-member{background:var(--bg2);border:1px solid var(--border);overflow:hidden;transition:var(--ease)}
.team-member:hover{border-color:var(--gold-border);transform:translateY(-4px)}
.member-avatar{aspect-ratio:1;overflow:hidden}
.member-avatar img{width:100%;height:100%;object-fit:cover}
.member-info{padding:20px}
.member-info h4{font-family:var(--font-serif);font-size:0.9375rem;font-weight:600;margin-bottom:6px}
.member-info p{font-size:0.75rem;color:var(--text3)}

/* AGE STRUCTURE */
.age-structure{background:var(--bg2);border:1px solid var(--border);padding:48px}
.age-title{font-family:var(--font-serif);font-size:1.5rem;font-weight:700;text-align:center;margin-bottom:40px}
.age-bars{display:flex;flex-direction:column;gap:20px;max-width:600px;margin:0 auto}
.age-item{display:grid;grid-template-columns:60px 1fr 100px;align-items:center;gap:20px}
.age-label{font-family:var(--font-serif);font-size:1.125rem;font-weight:700;color:var(--gold)}
.age-bar{height:8px;background:var(--bg3);border-radius:4px;overflow:hidden}
.age-fill{height:100%;background:linear-gradient(90deg,var(--gold-dark),var(--gold));border-radius:4px;transition:width 1.5s ease-out}
.age-role{font-size:0.875rem;color:var(--text3);text-align:right}

/* CLIENTS */
.clients{padding:var(--section-pad) 0;background:var(--bg2)}
.clients-list{display:flex;flex-wrap:wrap;gap:16px;justify-content:center}
.client-item{background:var(--bg3);border:1px solid var(--border);padding:16px 32px;font-size:0.9375rem;color:var(--text2);transition:var(--ease);letter-spacing:0.05em}
.client-item:hover{border-color:var(--gold-border);color:var(--gold);transform:translateY(-2px)}

/* SERVICES */
.services{padding:var(--section-pad) 0;background:var(--bg2)}
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.service-card{background:var(--bg3);border:1px solid var(--border);padding:40px;transition:var(--ease)}
.service-card:hover{border-color:var(--gold-border);transform:translateY(-4px)}
.service-num{font-family:var(--font-serif);font-size:0.875rem;color:var(--gold);letter-spacing:0.1em;margin-bottom:16px}
.service-card h3{font-family:var(--font-serif);font-size:1.5rem;font-weight:700;margin-bottom:20px}
.service-card ul{list-style:none;display:flex;flex-wrap:wrap;gap:8px}
.service-card li{padding:6px 16px;background:rgba(201,169,110,0.08);border:1px solid rgba(201,169,110,0.15);font-size:0.8125rem;color:var(--text2);border-radius:2px}

/* CONTACT */
.contact{padding:var(--section-pad) 0}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.contact-info{display:flex;flex-direction:column;gap:16px}
.contact-item{display:flex;align-items:center;gap:20px;padding:20px;background:var(--bg2);border:1px solid var(--border);transition:var(--ease)}
.contact-item:hover{border-color:var(--gold-border)}
.c-icon{font-size:1.5rem;flex-shrink:0}
.c-label{display:block;font-size:0.6875rem;color:var(--text3);text-transform:uppercase;letter-spacing:0.1em}
.c-value{display:block;font-size:1.125rem;color:var(--text);font-weight:500}
.contact-cta{text-align:center;padding:64px 40px;background:var(--bg2);border:1px solid var(--gold-border);position:relative;overflow:hidden}
.contact-cta::before{content:'';position:absolute;inset:0;background:radial-gradient(circle at center,rgba(201,169,110,0.08) 0%,transparent 70%)}
.contact-cta h3{font-family:var(--font-serif);font-size:2rem;font-weight:700;margin-bottom:16px;position:relative}
.contact-cta p{color:var(--text2);margin-bottom:32px;position:relative}
.contact-cta .btn{position:relative}

/* FOOTER */
.footer{border-top:1px solid var(--border);padding:48px 0 24px}
.footer-content{margin-bottom:32px;padding-bottom:32px;border-bottom:1px solid var(--border);text-align:center}
.footer-brand{display:flex;flex-direction:column;align-items:center;gap:8px}
.fb-cn{font-family:var(--font-serif);font-size:1.5rem;font-weight:700}
.fb-en{font-size:0.6875rem;letter-spacing:0.15em;color:var(--text3);text-transform:uppercase}
.fb-tagline{font-size:0.875rem;color:var(--gold);margin-top:4px}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;font-size:0.75rem;color:var(--text3)}
.footer-bottom a:hover{color:var(--gold)}

/* ANIMATIONS */
.anim{opacity:0;transform:translateY(30px);transition:opacity 0.8s ease,transform 0.8s ease}
.anim.show{opacity:1;transform:translateY(0)}

/* RESPONSIVE */
@media(max-width:1024px){
    :root{--section-pad:80px}
    .container{padding:0 24px}
    .about-grid{grid-template-columns:1fr}
    .works-grid{grid-template-columns:repeat(2,1fr)}
    .work-large,.work-wide{grid-column:span 1}
    .work-tall{grid-row:span 1}
    .work-tall .work-img{aspect-ratio:4/3;height:auto}
    .principles-grid{grid-template-columns:repeat(2,1fr)}
    .team-grid{grid-template-columns:repeat(3,1fr)}
    .clients-list{gap:12px}
    .awards-grid{grid-template-columns:1fr}
    .services-grid{grid-template-columns:repeat(2,1fr)}
    .contact-grid{grid-template-columns:1fr}
    .stats-row{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
    .nav-links{display:none}
    .nav-toggle{display:flex}
    .mobile-menu{display:flex}
    .nav-inner{padding:0 24px}
    .hero-content{padding:0 24px}
    .hero-title{font-size:3rem}
    .works-grid{grid-template-columns:1fr}
    .principles-grid{grid-template-columns:1fr}
    .team-grid{grid-template-columns:repeat(2,1fr)}
    .clients-list{gap:10px}
    .client-item{padding:12px 20px;font-size:0.875rem}
    .services-grid{grid-template-columns:1fr}
    .stats-row{grid-template-columns:repeat(2,1fr);gap:24px}
    .age-item{grid-template-columns:50px 1fr 80px;gap:12px}
    .footer-bottom{flex-direction:column;gap:8px;text-align:center}
}
@media(max-width:480px){
    .hero-title{font-size:2.5rem}
    .stats-row{grid-template-columns:1fr}
}