:root{--color-primary:#0A192F;--color-primary-light:#162a4d;--color-accent:#D4AF37;--color-accent-hover:#b5952f;--color-bg:#FFFFFF;--color-bg-alt:#F8F9FA;--color-text:#2A2A2A;--color-text-light:#555555;--color-white:#FFFFFF;--color-border:#EAEAEA;--font-display:'Noto Serif SC',serif;--font-body:'Noto Sans SC',sans-serif;--spacing-sm:1rem;--spacing-md:2.5rem;--spacing-lg:5rem;--spacing-xl:7rem;--transition-smooth:all 0.4s cubic-bezier(0.16, 1, 0.3, 1)}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--font-body);color:var(--color-text);background-color:var(--color-bg);line-height:1.7;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3,h4{font-family:var(--font-display);font-weight:700;color:var(--color-primary);line-height:1.3}a{text-decoration:none;color:inherit;transition:var(--transition-smooth)}img{max-width:100%;height:auto;display:block}.container{width:90%;max-width:1280px;margin:0 auto}.navbar{position:fixed;top:0;width:100%;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);z-index:1000;border-bottom:1px solid rgba(0,0,0,.03);transition:var(--transition-smooth)}.navbar.scrolled{box-shadow:0 4px 20px rgba(0,0,0,.06);padding:0}.nav-container{display:flex;justify-content:space-between;align-items:center;height:90px;max-width:1440px;margin:0 auto;padding:0 4%;transition:height .3s ease}.navbar.scrolled .nav-container{height:70px}.logo img{height:48px;object-fit:contain}.nav-links{display:flex;list-style:none;gap:3.5rem;margin:0 auto}.nav-links a{font-size:1.05rem;font-weight:500;color:var(--color-primary);position:relative;padding:.5rem 0;letter-spacing:.5px}.nav-links a::after{content:'';position:absolute;bottom:0;left:50%;width:0;height:2px;background-color:var(--color-accent);transition:var(--transition-smooth);transform:translateX(-50%)}.nav-links a.active::after,.nav-links a:hover::after{width:100%}.contact{display:flex;flex-direction:column;align-items:flex-end;font-size:1rem;font-weight:500;color:var(--color-primary)}.contact-item{color:var(--color-primary);letter-spacing:.5px;display:flex;align-items:center}.phone-icon{margin-right:6px;vertical-align:middle;stroke:var(--color-accent)}.hero{position:relative;height:60vh;min-height:500px;display:flex;align-items:center;justify-content:center;text-align:center;margin-top:90px;overflow:hidden}.hero-bg{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;z-index:0}.hero-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(135deg,rgba(10,25,47,.9),rgba(5,12,23,.8));z-index:1}.hero-content{position:relative;z-index:2;max-width:960px;padding:0 2rem;animation:fadeUp 1.2s cubic-bezier(.16,1,.3,1) forwards}@keyframes fadeUp{from{opacity:0;transform:translateY(40px)}to{opacity:1;transform:translateY(0)}}.hero h1{font-size:clamp(2.5rem, 5vw, 4rem);color:var(--color-white);margin-bottom:1.5rem;letter-spacing:2px}.hero p{font-size:clamp(1.1rem, 2vw, 1.3rem);color:rgba(255,255,255,.85);margin-bottom:2.5rem;font-weight:300;letter-spacing:1px}.btn{display:inline-block;padding:1.2rem 3.5rem;background-color:var(--color-accent);color:var(--color-white);font-family:var(--font-body);font-weight:500;font-size:1.1rem;border-radius:0;letter-spacing:1px;position:relative;border:none;overflow:hidden;z-index:1;cursor:pointer}.btn::before{content:'';position:absolute;top:0;left:0;width:0;height:100%;background-color:var(--color-accent-hover);transition:var(--transition-smooth);z-index:-1}.btn:hover::before{width:100%}.btn-outline{background-color:transparent;border:2px solid var(--color-accent);color:var(--color-accent)}.btn-outline::before{background-color:var(--color-accent)}.btn-outline:hover{color:var(--color-white)}section{padding:6rem 0}.section-alternate{background-color:var(--color-bg-alt)}.section-title{font-size:2.5rem;text-align:center;margin-bottom:4rem;position:relative;display:flex;flex-direction:column;align-items:center}.en-subtitle{display:block;font-family:var(--font-body);font-size:.9rem;color:var(--color-text-light);letter-spacing:4px;text-transform:uppercase;margin-top:.5rem;font-weight:400}.section-title::after{content:'';display:block;width:60px;height:3px;background-color:var(--color-accent);margin-top:1.5rem}.subsection-title{text-align:center;font-size:2rem;margin-bottom:2rem;color:var(--color-primary);display:flex;flex-direction:column;align-items:center}.subbed-title{text-align:center;font-size:1.4rem;margin:3rem 0 1.5rem;color:var(--color-primary)}.subsection-title .en-subtitle{font-size:.8rem;letter-spacing:3px}.subsection-title::after{content:'';display:block;width:40px;height:2px;background-color:var(--color-accent);margin-top:1rem}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:2.5rem}.content-split{display:grid;grid-template-columns:1fr 1fr;gap:5rem;align-items:center;margin-bottom:4rem}.content-split.reverse{direction:rtl}.content-split.reverse>*{direction:ltr}.text-content h3{font-size:2rem;margin-bottom:1.5rem}.text-content p{color:var(--color-text-light);font-size:1.1rem;line-height:1.9;margin-bottom:1.5rem}.text-content ul{list-style:none;margin-bottom:1.5rem}.text-content ul li{position:relative;padding-left:1.5rem;margin-bottom:.8rem;color:var(--color-text-light)}.text-content ul li::before{content:'✓';position:absolute;left:0;color:var(--color-accent);font-weight:700}.image-content{position:relative;z-index:1}.image-content::after{content:'';position:absolute;bottom:-20px;right:-20px;width:100%;height:100%;border:2px solid var(--color-accent);z-index:-1;transition:var(--transition-smooth)}.content-split.reverse .image-content::after{right:auto;left:-20px}.content-split.reverse .image-content:hover::after{transform:translate(10px,-10px)}.image-content:hover::after{transform:translate(-10px,-10px)}.image-content img{width:100%;box-shadow:0 20px 40px rgba(10,25,47,.08)}.details-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.5rem;margin-top:3rem}.detail-item{background:var(--color-white);padding:1.5rem 2rem;border-left:3px solid var(--color-accent);display:flex;align-items:center;font-weight:500;font-size:1.05rem;box-shadow:0 5px 15px rgba(0,0,0,.02);transition:var(--transition-smooth)}.detail-item:hover{transform:translateY(-3px);box-shadow:0 10px 25px rgba(0,0,0,.05)}.check-icon{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;background-color:rgba(212,175,55,.1);color:var(--color-accent);border-radius:50%;margin-right:12px;font-size:.8rem;font-weight:700}.faq-container{display:grid;grid-template-columns:repeat(2,1fr);gap:3rem}.faq-column{background:var(--color-white);padding:2.5rem;border:1px solid var(--color-border);box-shadow:0 5px 20px rgba(0,0,0,.02)}.faq-category-title{font-size:1.3rem;margin-bottom:2rem;color:var(--color-primary);display:flex;align-items:center}.faq-category-title::before{content:'';display:inline-block;width:4px;height:20px;background-color:var(--color-accent);margin-right:12px}.faq-list{display:flex;flex-direction:column;gap:1rem}.faq-item{background-color:var(--color-bg-alt);border:1px solid var(--color-border);transition:var(--transition-smooth)}.faq-item[open]{background-color:var(--color-white);border-color:var(--color-accent);box-shadow:0 5px 15px rgba(0,0,0,.03)}.faq-item summary{padding:1.2rem;font-weight:500;cursor:pointer;list-style:none;position:relative;padding-right:3rem;color:var(--color-primary)}.faq-item summary::after{content:'+';position:absolute;right:1.2rem;top:50%;transform:translateY(-50%);font-size:1.5rem;color:var(--color-text-light);transition:transform .3s ease}.faq-item[open] summary::after{content:'−';color:var(--color-accent)}.faq-item summary::-webkit-details-marker{display:none}.faq-item p{padding:0 1.2rem 1.2rem;color:var(--color-text-light);font-size:.95rem;line-height:1.8;margin:0;border-top:1px dashed var(--color-border);padding-top:1rem}.guarantee-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem}.guarantee-card{text-align:center;padding:3rem 2rem;background:var(--color-white);border:1px solid var(--color-border);transition:var(--transition-smooth)}.guarantee-card:hover{transform:translateY(-10px);border-color:var(--color-accent);box-shadow:0 15px 30px rgba(0,0,0,.05)}.guarantee-icon{font-size:3rem;margin-bottom:1.5rem;color:var(--color-primary)}.guarantee-card h4{font-size:1.3rem;margin-bottom:1rem}.guarantee-card p{font-size:.95rem;color:var(--color-text-light)}.services-list{display:grid;grid-template-columns:repeat(2,1fr);gap:2.5rem}.service-item{padding:3rem;background:var(--color-bg-alt);border-left:2px solid rgba(10,25,47,.1);transition:var(--transition-smooth)}.service-item:hover{background:var(--color-white);border-left-color:var(--color-accent);box-shadow:0 15px 35px rgba(0,0,0,.04)}.service-item h4{font-size:1.4rem;margin-bottom:1rem}.service-item p{color:var(--color-text-light);font-size:1.05rem}.process-steps{display:flex;justify-content:space-between;align-items:center;max-width:900px;margin:0 auto 5rem;background:var(--color-white);padding:2.5rem 4rem;box-shadow:0 10px 30px rgba(0,0,0,.03);border-radius:4px}.step-item{display:flex;flex-direction:column;align-items:center;gap:1rem;color:var(--color-primary);font-weight:500;position:relative;z-index:2}.step-icon{width:64px;height:64px;border-radius:50%;background-color:var(--color-bg-alt);display:flex;align-items:center;justify-content:center;font-size:1.8rem;color:#3b82f6}.step-divider{flex:1;height:2px;background-image:linear-gradient(to right,#ccc 33%,rgba(255,255,255,0) 0);background-position:bottom;background-size:10px 2px;background-repeat:repeat-x;margin:-30px 1rem 0}.gallery-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;margin-bottom:3rem}.image-card{position:relative;overflow:hidden;box-shadow:0 5px 15px rgba(0,0,0,.04);transition:var(--transition-smooth)}.image-card img{width:100%;height:200px;object-fit:cover;transition:var(--transition-smooth)}.image-card:hover img{transform:scale(1.05)}.image-card.blue-tint::after{content:'';position:absolute;top:0;left:0;width:100%;height:100%;background:rgba(10,25,47,.2);pointer-events:none}.card-caption{position:absolute;bottom:0;left:0;width:100%;padding:1.2rem;background:rgba(10,25,47,.85);color:var(--color-white);text-align:center;backdrop-filter:blur(4px)}.card-caption strong{display:block;font-size:1.05rem;margin-bottom:.3rem}.card-caption p{font-size:.85rem;color:rgba(255,255,255,.8);margin:0}.followup-services{display:grid;grid-template-columns:repeat(6,1fr);gap:1rem;text-align:center}.fl-item{display:flex;flex-direction:column;align-items:center;font-size:.95rem;color:var(--color-text-light);font-weight:500}.fl-icon{font-size:2rem;margin-bottom:.8rem;color:var(--color-accent)}.about-info{text-align:center;max-width:850px;margin:0 auto;font-size:1.15rem;line-height:2;color:var(--color-text-light)}.about-cores{display:grid;grid-template-columns:repeat(3,1fr);gap:2.5rem;margin-top:5rem}.core-card{padding:3rem 2rem;background:var(--color-white);border-top:4px solid var(--color-accent);box-shadow:0 10px 30px rgba(0,0,0,.03)}.core-card h4{font-size:1.4rem;margin-bottom:1rem}.core-card p{color:var(--color-text-light);line-height:1.8;font-size:.95rem}.company-gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem}.gallery-item{position:relative;overflow:hidden}.gallery-item img{width:100%;height:260px;object-fit:cover;transition:var(--transition-smooth);filter:grayscale(20%)}.gallery-item:hover img{transform:scale(1.05);filter:grayscale(0%)}.gallery-item .overlay{position:absolute;bottom:0;left:0;width:100%;padding:1rem;background:linear-gradient(transparent,rgba(10,25,47,.9));color:var(--color-white);transform:translateY(100%);transition:var(--transition-smooth);text-align:center;font-weight:500;letter-spacing:1px}.gallery-item:hover .overlay{transform:translateY(0)}.cta-section{background-color:var(--color-primary);color:var(--color-white);text-align:center;padding:5rem 0;position:relative;overflow:hidden}.cta-section::before{content:'';position:absolute;top:0;left:0;width:100%;height:100%;background:radial-gradient(circle at center,rgba(212,175,55,.15) 0,transparent 70%);pointer-events:none}.cta-content{position:relative;z-index:2;max-width:800px;margin:0 auto}.cta-content h2{color:var(--color-white);font-size:2.2rem;margin-bottom:1.5rem}.cta-content p{color:rgba(255,255,255,.8);font-size:1.1rem;margin-bottom:2.5rem}.cta-actions{display:flex;justify-content:center;gap:1.5rem}.site-footer{background-color:#050c17;color:rgba(255,255,255,.6);padding:5rem 0 2rem;font-size:.95rem}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:4rem;margin-bottom:3rem;padding-bottom:3rem;border-bottom:1px solid rgba(255,255,255,.05)}.footer-about .logo-img{height:40px;margin-bottom:1.5rem;filter:brightness(0) invert(1);opacity:.9}.footer-about p{line-height:1.8;margin-bottom:1.5rem;max-width:400px}.footer-title{color:var(--color-white);font-family:var(--font-display);font-size:1.2rem;margin-bottom:1.5rem;position:relative;padding-bottom:.8rem}.footer-title::after{content:'';position:absolute;bottom:0;left:0;width:30px;height:2px;background-color:var(--color-accent)}.footer-links{list-style:none}.footer-links li{margin-bottom:.8rem}.footer-links a{transition:var(--transition-smooth)}.footer-links a:hover{color:var(--color-accent)}.footer-contact li{margin-bottom:1rem;display:flex;align-items:flex-start;gap:10px;line-height:1.6}.footer-contact svg{flex-shrink:0;margin-top:4px}.footer-bottom{text-align:center;font-size:.85rem;display:flex;flex-direction:column;align-items:center;gap:.8rem}.footer-bottom a{color:rgba(255,255,255,.6)}.footer-bottom a:hover{color:var(--color-white)}.wechat-float{position:fixed;bottom:50px;right:50px;z-index:999}.wechat-icon{width:60px;height:60px;background-color:var(--color-accent);color:var(--color-white);border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 25px rgba(212,175,55,.4);cursor:pointer;transition:var(--transition-smooth)}.wechat-icon svg{width:30px;height:30px}.wechat-icon:hover{transform:scale(1.08);background-color:var(--color-primary)}.wechat-qr{position:absolute;bottom:80px;right:0;width:220px;background:var(--color-white);padding:1.5rem;border-radius:4px;box-shadow:0 15px 40px rgba(0,0,0,.12);opacity:1;visibility:visible;transform:translateY(0);transition:var(--transition-smooth);text-align:center;pointer-events:auto}.wechat-float.hide-qr .wechat-qr{opacity:0;visibility:hidden;transform:translateY(15px);pointer-events:none}.wechat-qr::after{content:'';position:absolute;bottom:-8px;right:22px;width:0;height:0;border-left:8px solid transparent;border-right:8px solid transparent;border-top:8px solid var(--color-white)}.wechat-qr img{width:100%;margin-bottom:1rem}.wechat-qr p{font-size:.9rem;color:var(--color-text);margin:0;line-height:1.5;font-weight:500}@media (max-width:1100px){.nav-container{padding:0 2%}.nav-links{gap:2rem}.footer-grid{grid-template-columns:1fr 1fr;gap:3rem}.gallery-grid{grid-template-columns:repeat(2,1fr)}.followup-services{grid-template-columns:repeat(3,1fr);gap:2rem}}@media (max-width:900px){.content-split{grid-template-columns:1fr;gap:3rem}.content-split.reverse .image-content{grid-row:1}.image-content::after{display:none}.guarantee-grid{grid-template-columns:1fr}.services-list{grid-template-columns:1fr}.faq-container{grid-template-columns:1fr}.about-cores{grid-template-columns:1fr}.process-steps{flex-direction:column;gap:2rem;padding:2rem}.step-divider{width:2px;height:30px;margin:0;background-image:linear-gradient(to bottom,#ccc 33%,rgba(255,255,255,0) 0);background-position:center;background-size:2px 10px;background-repeat:repeat-y}}@media (max-width:768px){.nav-container{flex-direction:column;height:auto;padding:1rem 0}.navbar.scrolled .nav-container{height:auto}.logo{margin-bottom:1rem}.nav-links{width:100%;justify-content:center;gap:1.5rem;margin-bottom:1.2rem;flex-wrap:wrap}.contact{align-items:center;flex-direction:row;gap:1.5rem;font-size:.8rem}.hero{margin-top:140px}.hero h1{font-size:2.2rem}.section-title{font-size:2.2rem}.footer-grid{grid-template-columns:1fr;gap:2.5rem}.cta-actions{flex-direction:column;align-items:center}.btn{width:100%;max-width:300px;text-align:center}.wechat-float{bottom:25px;right:25px}.gallery-grid{grid-template-columns:1fr}.followup-services{grid-template-columns:repeat(2,1fr)}}