/* Shuyinan - Teal + Amber */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--bg-primary:#0a0e0d;--bg-secondary:#101814;--bg-card:#16221e;--bg-hover:#1a2a24;--text-primary:#e0ece6;--text-secondary:#98a8a2;--text-muted:#5a6a64;--accent-primary:#0d9488;--accent-secondary:#d97706;--accent-gradient:linear-gradient(135deg,#0d9488 0%,#d97706 100%);--border-color:#1a2a24;--shadow-color:rgba(13,148,136,.12);--font-main:'Segoe UI',system-ui,-apple-system,sans-serif;--max-width:1200px;--nav-height:70px}
html{scroll-behavior:smooth}
body{font-family:var(--font-main);background:var(--bg-primary);color:var(--text-primary);line-height:1.6;overflow-x:hidden}
a{color:var(--accent-primary);text-decoration:none;transition:color .3s}
a:hover{color:var(--accent-secondary)}
.container{max-width:var(--max-width);margin:0 auto;padding:0 20px}
.navbar{position:fixed;top:0;left:0;right:0;height:var(--nav-height);background:rgba(10,14,13,.95);backdrop-filter:blur(20px);border-bottom:1px solid var(--border-color);z-index:1000;display:flex;align-items:center}
.navbar .container{display:flex;justify-content:space-between;align-items:center;width:100%}
.nav-brand{font-size:1.35rem;font-weight:700;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:-.5px}
.nav-links{display:flex;list-style:none;gap:5px;align-items:center}
.nav-links a{color:var(--text-secondary);padding:8px 16px;border-radius:8px;font-size:.9rem;font-weight:500;transition:all .3s}
.nav-links a:hover,.nav-links a.active{color:var(--text-primary);background:var(--bg-card)}
.nav-toggle{display:none;flex-direction:column;cursor:pointer;gap:5px;padding:5px}
.nav-toggle span{display:block;width:25px;height:2px;background:var(--text-primary);border-radius:2px;transition:all .3s}
.hero{min-height:100vh;display:flex;align-items:center;padding:120px 0 80px;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:-50%;right:-20%;width:600px;height:600px;background:radial-gradient(circle,rgba(13,148,136,.08),transparent 70%);pointer-events:none}
.hero::after{content:'';position:absolute;bottom:-30%;left:-10%;width:500px;height:500px;background:radial-gradient(circle,rgba(217,119,6,.06),transparent 70%);pointer-events:none}
.hero-content{position:relative;z-index:1;max-width:750px}
.hero-badge{display:inline-block;padding:6px 16px;background:rgba(13,148,136,.15);border:1px solid rgba(13,148,136,.3);border-radius:20px;font-size:.8rem;color:var(--accent-secondary);margin-bottom:24px;letter-spacing:.5px}
.hero h1{font-size:3.5rem;font-weight:800;line-height:1.15;margin-bottom:24px;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero p{font-size:1.15rem;color:var(--text-secondary);margin-bottom:36px;max-width:600px;line-height:1.8}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:12px;font-size:.95rem;font-weight:600;cursor:pointer;transition:all .3s;border:none;font-family:inherit}
.btn-primary{background:var(--accent-gradient);color:#fff;box-shadow:0 4px 20px var(--shadow-color)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 30px var(--shadow-color);color:#fff}
.btn-secondary{background:transparent;color:var(--text-primary);border:1px solid var(--border-color)}
.btn-secondary:hover{background:var(--bg-card);border-color:var(--accent-primary);transform:translateY(-2px)}
.section{padding:100px 0}
.section-header{text-align:center;margin-bottom:60px}
.section-header h2{font-size:2.5rem;font-weight:700;margin-bottom:16px;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.section-header p{color:var(--text-secondary);font-size:1.05rem;max-width:600px;margin:0 auto;line-height:1.7}
.services-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px}
.service-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:16px;padding:36px 28px;transition:all .3s;position:relative;overflow:hidden}
.service-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--accent-gradient);transform:scaleX(0);transform-origin:left;transition:transform .3s}
.service-card:hover{transform:translateY(-4px);border-color:rgba(13,148,136,.3);box-shadow:0 8px 30px var(--shadow-color)}
.service-card:hover::before{transform:scaleX(1)}
.service-icon{width:56px;height:56px;border-radius:14px;background:rgba(13,148,136,.15);display:flex;align-items:center;justify-content:center;margin-bottom:20px;font-size:1.5rem}
.service-card h3{font-size:1.2rem;margin-bottom:12px}
.service-card p{color:var(--text-secondary);font-size:.9rem;line-height:1.7}
.stats-section{background:var(--bg-secondary)}
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:32px;text-align:center}
.stat-item{padding:32px 20px}
.stat-number{font-size:2.8rem;font-weight:800;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;display:block;margin-bottom:8px}
.stat-label{color:var(--text-secondary);font-size:.95rem}
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}
.feature-item{display:flex;gap:20px;padding:24px;background:var(--bg-card);border-radius:12px;border:1px solid var(--border-color);transition:all .3s}
.feature-item:hover{border-color:rgba(13,148,136,.3);transform:translateX(4px)}
.feature-icon{font-size:1.6rem;flex-shrink:0;width:48px;height:48px;background:rgba(13,148,136,.12);border-radius:12px;display:flex;align-items:center;justify-content:center}
.feature-text h4{font-size:1.05rem;margin-bottom:6px}
.feature-text p{color:var(--text-secondary);font-size:.88rem;line-height:1.6}
.team-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:24px;text-align:center}
.team-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:16px;padding:32px 20px;transition:all .3s}
.team-card:hover{transform:translateY(-4px);border-color:rgba(13,148,136,.3);box-shadow:0 8px 30px var(--shadow-color)}
.team-avatar{width:80px;height:80px;border-radius:50%;background:var(--accent-gradient);display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-size:2rem;color:#fff}
.team-card h4{font-size:1.05rem;margin-bottom:4px}
.team-card .role{color:var(--accent-secondary);font-size:.85rem;font-weight:500}
.team-card p{color:var(--text-secondary);font-size:.85rem;margin-top:8px;line-height:1.5}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px}
.contact-info{display:flex;flex-direction:column;gap:24px}
.contact-item{display:flex;gap:16px;align-items:flex-start}
.contact-icon{width:48px;height:48px;border-radius:12px;background:rgba(13,148,136,.12);display:flex;align-items:center;justify-content:center;font-size:1.2rem;flex-shrink:0}
.contact-item h4{font-size:1rem;margin-bottom:4px}
.contact-item p,.contact-item a{color:var(--text-secondary);font-size:.9rem;line-height:1.5}
.contact-form{background:var(--bg-card);border:1px solid var(--border-color);border-radius:16px;padding:36px}
.form-group{margin-bottom:20px}
.form-group label{display:block;font-size:.88rem;font-weight:500;color:var(--text-secondary);margin-bottom:8px}
.form-group input,.form-group textarea,.form-group select{width:100%;padding:12px 16px;background:var(--bg-primary);border:1px solid var(--border-color);border-radius:10px;color:var(--text-primary);font-size:.95rem;font-family:inherit;transition:border-color .3s}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 0 3px rgba(13,148,136,.1)}
.form-group textarea{min-height:120px;resize:vertical}
.page-header{padding:120px 0 60px;text-align:center;background:var(--bg-secondary);border-bottom:1px solid var(--border-color)}
.page-header h1{font-size:2.8rem;font-weight:700;margin-bottom:12px;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.page-header p{color:var(--text-secondary);font-size:1.05rem}
.content-page{padding:60px 0 100px}
.content-page .container{max-width:860px}
.content-section{margin-bottom:48px}
.content-section h2{font-size:1.6rem;font-weight:700;margin-bottom:16px;color:var(--accent-primary)}
.content-section h3{font-size:1.2rem;font-weight:600;margin:24px 0 12px}
.content-section p{color:var(--text-secondary);margin-bottom:16px;line-height:1.8;font-size:.95rem}
.content-section ul,.content-section ol{color:var(--text-secondary);margin-bottom:16px;padding-left:24px;line-height:1.8}
.content-section li{margin-bottom:8px;font-size:.95rem}
.content-section strong{color:var(--text-primary)}
.last-updated{color:var(--text-muted);font-size:.85rem;margin-bottom:32px;font-style:italic}
.about-content{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.about-text h2{font-size:2rem;margin-bottom:20px}
.about-text p{color:var(--text-secondary);margin-bottom:16px;line-height:1.8}
.about-image{background:var(--bg-card);border:1px solid var(--border-color);border-radius:16px;padding:40px;text-align:center;min-height:300px;display:flex;align-items:center;justify-content:center}
.values-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:24px;margin-top:48px}
.value-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:16px;padding:28px;text-align:center;transition:all .3s}
.value-card:hover{transform:translateY(-4px);border-color:rgba(13,148,136,.3)}
.value-icon{font-size:2.4rem;margin-bottom:16px}
.value-card h3{margin-bottom:8px;font-size:1.1rem}
.value-card p{color:var(--text-secondary);font-size:.88rem;line-height:1.6}
.footer{background:var(--bg-secondary);border-top:1px solid var(--border-color);padding:60px 0 30px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand h3{font-size:1.3rem;margin-bottom:12px;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.footer-brand p{color:var(--text-secondary);font-size:.88rem;line-height:1.7;max-width:320px}
.footer-links h4{font-size:1rem;margin-bottom:16px}
.footer-links ul{list-style:none}
.footer-links li{margin-bottom:10px}
.footer-links a{color:var(--text-secondary);font-size:.88rem;transition:color .3s}
.footer-links a:hover{color:var(--accent-primary)}
.footer-bottom{border-top:1px solid var(--border-color);padding-top:24px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}
.footer-bottom p{color:var(--text-muted);font-size:.82rem}
.footer-social{display:flex;gap:12px}
.footer-social a{width:36px;height:36px;border-radius:8px;background:var(--bg-card);display:flex;align-items:center;justify-content:center;color:var(--text-secondary);font-size:.9rem;transition:all .3s}
.footer-social a:hover{background:var(--accent-primary);color:#fff}
.back-to-top{position:fixed;bottom:30px;right:30px;width:50px;height:50px;border-radius:12px;background:var(--accent-gradient);color:#fff;border:none;cursor:pointer;font-size:1.2rem;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:all .3s;z-index:999;box-shadow:0 4px 20px var(--shadow-color)}
.back-to-top.show{opacity:1;visibility:visible}
.back-to-top:hover{transform:translateY(-4px)}
@media(max-width:992px){.hero h1{font-size:2.5rem}.about-content,.contact-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:768px){.nav-links{display:none;position:absolute;top:var(--nav-height);left:0;right:0;background:rgba(10,14,13,.98);flex-direction:column;padding:20px;border-bottom:1px solid var(--border-color);gap:0}.nav-links.open{display:flex}.nav-links a{padding:14px 16px;width:100%;border-radius:8px}.nav-toggle{display:flex}.hero h1{font-size:2rem}.hero p{font-size:1rem}.section-header h2{font-size:1.8rem}.services-grid,.footer-grid{grid-template-columns:1fr}.page-header h1{font-size:2rem}}