*{margin:0;padding:0;box-sizing:border-box}
:root{--primary:#DC2626;--accent:#F87171;--dark:#0F172A;--dark-light:#1E293B;--white:#fff;--gradient:linear-gradient(135deg,#DC2626 0%,#EF4444 100%);--gradient-overlay:linear-gradient(135deg,rgba(15,23,42,.9) 0%,rgba(220,38,38,.7) 100%)}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;color:var(--white);line-height:1.6;overflow-x:hidden;background:var(--dark)}
.container{max-width:1200px;margin:0 auto;padding:0 48px}
.header{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(15,23,42,.95);backdrop-filter:blur(20px);border-bottom:1px solid rgba(220,38,38,.3)}
.header-content{display:flex;align-items:center;justify-content:space-between;height:80px;gap:2rem}
.logo{display:flex;align-items:center;gap:1rem;text-decoration:none;color:var(--white);font-size:1.5rem;font-weight:800}
.logo-icon{width:2.5rem;height:2.5rem;background:var(--gradient);border-radius:10px;box-shadow:0 0 15px rgba(220,38,38,.5);flex-shrink:0}
.logo-text{display:flex;flex-direction:column}
.logo-tagline{font-size:.75rem;color:var(--accent);font-weight:600}
.nav{display:flex;gap:2.5rem}
.nav-link{color:rgba(255,255,255,.8);text-decoration:none;font-weight:600;font-size:15px;transition:color .3s}
.nav-link:hover,.nav-link.active{color:var(--white)}
.cta-btn{padding:.875rem 2rem;background:var(--gradient);color:white;border:none;border-radius:50px;font-weight:700;font-size:15px;cursor:pointer;transition:transform .3s}
.cta-btn:hover{transform:translateY(-2px)}
.menu-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:.5rem}
.menu-toggle span{display:block;width:24px;height:2px;background:var(--primary);border-radius:2px}
.hero{position:relative;min-height:100vh;display:flex;align-items:center;padding-top:80px;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover}
.hero-overlay{position:absolute;inset:0;background:var(--gradient-overlay)}
.hero-content{position:relative;z-index:2;padding:6rem 0}
.hero-title{font-size:56px;font-weight:900;line-height:1.1;margin-bottom:1.5rem;color:white;text-shadow:0 0 30px rgba(220,38,38,.5)}
.hero-subtitle{font-size:18px;opacity:.95;margin-bottom:2rem;line-height:1.6}
.hero-actions{display:flex;gap:1rem;margin-bottom:4rem}
.btn{padding:1rem 2rem;font-weight:700;cursor:pointer;border-radius:50px;border:none;transition:all .3s;font-size:16px}
.btn-primary{background:var(--gradient);color:white;box-shadow:0 0 25px rgba(220,38,38,.5)}
.btn-primary:hover{transform:translateY(-3px)}
.btn-outline{background:rgba(255,255,255,.1);color:white;border:2px solid rgba(255,255,255,.5)}
.btn-outline:hover{background:rgba(255,255,255,.2);border-color:white}
.btn-large{padding:1.25rem 2.5rem;font-size:1.1rem}
.hero-stats{display:flex;gap:4rem}
.stat-item{text-align:center}
.stat-number{font-size:3rem;font-weight:900;color:white;line-height:1}
.stat-label{font-size:1rem;opacity:.9}
.services{padding:8rem 0;background:var(--dark-light)}
.section-header{text-align:center;margin-bottom:4rem}
.section-badge{display:inline-block;padding:.5rem 1.5rem;background:rgba(220,38,38,.2);border:1px solid var(--primary);border-radius:50px;color:var(--primary);font-size:.875rem;font-weight:700;margin-bottom:1rem}
.section-title{font-size:2.5rem;font-weight:800;color:var(--white);margin-bottom:.5rem}
.section-desc{font-size:1.125rem;color:rgba(255,255,255,.7);max-width:600px;margin:0 auto}
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem}
.service-card{position:relative;background:rgba(51,65,85,.3);padding:2.5rem;border-radius:16px;border:1px solid rgba(220,38,38,.2);transition:all .3s}
.service-card:hover{transform:translateY(-8px);box-shadow:0 0 30px rgba(220,38,38,.3)}
.service-icon{width:4rem;height:4rem;background:var(--gradient);border-radius:12px;margin-bottom:1rem;box-shadow:0 0 15px rgba(220,38,38,.4)}
.service-card h3{font-size:1.25rem;font-weight:700;color:var(--white);margin-bottom:.5rem}
.service-card p{font-size:1rem;color:rgba(255,255,255,.8);line-height:1.6;margin-bottom:1rem}
.service-card.featured{background:var(--gradient);border-color:transparent;box-shadow:0 0 30px rgba(220,38,38,.5)}
.featured-badge{position:absolute;top:1.5rem;right:1.5rem;padding:.375rem 1rem;background:rgba(255,255,255,.2);border-radius:50px;color:white;font-size:.75rem;font-weight:700}
.service-link{color:var(--accent);text-decoration:none;font-weight:700;font-size:.9375rem}
.service-card.featured .service-link{color:white}
.service-link:hover{text-decoration:underline}
.works{padding:8rem 0;background:var(--dark-light)}
.works-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:2rem}
.work-item{position:relative;border-radius:12px;overflow:hidden;cursor:pointer}
.work-item.large{grid-column:span 2;grid-row:span 2}
.work-image{position:relative;width:100%;aspect-ratio:4/3;overflow:hidden}
.work-item.large .work-image{aspect-ratio:16/9}
.work-image img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.work-item:hover .work-image img{transform:scale(1.1)}
.work-overlay{position:absolute;inset:0;background:var(--gradient-overlay);display:flex;align-items:flex-end;padding:2rem;opacity:0;transition:opacity .3s}
.work-item:hover .work-overlay{opacity:1}
.work-category{display:inline-block;padding:.375rem 1rem;background:var(--gradient);color:white;border-radius:50px;font-size:.75rem;font-weight:700;margin-bottom:.75rem}
.work-info h3{font-size:1.5rem;font-weight:800;color:white;margin-bottom:.5rem}
.work-info p{color:rgba(255,255,255,.9);font-size:1rem;margin-bottom:1rem}
.work-play{width:3rem;height:3rem;background:var(--gradient);border:none;border-radius:50%;color:white;cursor:pointer;font-size:1rem;display:flex;align-items:center;justify-content:center;padding-left:4px}
.process{padding:8rem 0;background:var(--dark-light)}
.process-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:2rem}
.process-item{text-align:center;position:relative}
.process-number{position:absolute;top:-1rem;right:1rem;font-size:4rem;font-weight:900;color:rgba(220,38,38,.15);line-height:1}
.process-icon{width:5rem;height:5rem;background:var(--gradient);border-radius:50%;margin:0 auto 1.5rem;box-shadow:0 0 30px rgba(220,38,38,.5)}
.process-item h3{font-size:1.25rem;font-weight:800;color:white;margin-bottom:.75rem}
.process-item p{font-size:.9375rem;color:rgba(255,255,255,.7);line-height:1.6}
.team{padding:8rem 0;background:var(--dark)}
.team-content{display:grid;grid-template-columns:1fr 1fr;gap:6rem;align-items:center}
.team-image{border-radius:30px;overflow:hidden;box-shadow:0 0 50px rgba(220,38,38,.3)}
.team-image img{width:100%;height:100%;object-fit:cover}
.team-text .section-badge{margin-bottom:1rem}
.team-text .section-title{text-align:left;font-size:2.5rem;margin-bottom:1.5rem}
.content{font-size:1.0625rem;line-height:1.9;color:rgba(255,255,255,.85)}
.content p{margin-bottom:1rem}
.team-features{display:flex;flex-direction:column;gap:1.5rem;margin-top:2rem}
.feature-item{display:flex;gap:1rem;align-items:flex-start}
.feature-icon{width:1.5rem;height:1.5rem;color:var(--primary);flex-shrink:0}
.feature-item h4{font-size:1.125rem;font-weight:800;color:white;margin-bottom:.25rem}
.feature-item p{font-size:.9375rem;color:rgba(255,255,255,.7);margin:0}
.contact{padding:8rem 0;background:var(--dark-light)}
.contact-wrapper{display:grid;grid-template-columns:1fr 1.2fr;gap:5rem}
.contact-info h2{font-size:2.5rem;font-weight:900;color:white;margin-bottom:1rem}
.contact-info>p{font-size:1.125rem;color:rgba(255,255,255,.8);margin-bottom:3rem}
.contact-items{display:flex;flex-direction:column;gap:2rem}
.contact-item{display:flex;gap:1.5rem;align-items:flex-start}
.contact-icon{font-size:1.5rem}
.contact-item h4{font-size:1.125rem;font-weight:800;color:white;margin-bottom:.5rem}
.contact-item p{font-size:1rem;color:rgba(255,255,255,.8)}
.contact-form{background:rgba(51,65,85,.3);padding:3rem;border-radius:20px;border:1px solid rgba(220,38,38,.2)}
.form-group{margin-bottom:1.5rem}
.form-group label{display:block;font-weight:700;color:white;margin-bottom:.75rem;font-size:.9375rem}
.form-group input,.form-group textarea{width:100%;padding:1rem 1.25rem;border:1px solid rgba(220,38,38,.3);border-radius:12px;font-size:1rem;background:rgba(15,23,42,.5);color:white}
.form-group input::placeholder,.form-group textarea::placeholder{color:rgba(255,255,255,.5)}
.form-group textarea{resize:vertical;min-height:120px}
.btn-block{width:100%;justify-content:center}
.cta-section{padding:8rem 0;background:var(--gradient);text-align:center}
.cta-content h2{font-size:2.5rem;font-weight:900;color:white;margin-bottom:.5rem}
.cta-content p{font-size:1.25rem;opacity:.95;margin-bottom:2rem}
.cta-content .btn{background:white;color:var(--primary)}
.cta-content .btn:hover{transform:translateY(-5px);box-shadow:0 0 30px rgba(255,255,255,.4)}
.footer{background:var(--dark);padding:5rem 0 2rem;border-top:1px solid rgba(220,38,38,.2)}
.footer-content{display:grid;grid-template-columns:1.5fr 1fr;gap:6rem;margin-bottom:4rem}
.footer-logo{display:flex;align-items:center;gap:1rem;margin-bottom:1.5rem}
.footer-logo .logo-icon{width:3rem;height:3rem}
.footer-name{font-size:1.75rem;font-weight:900;color:white}
.footer-domain{font-size:.875rem;color:var(--accent);font-weight:700}
.footer-desc{font-size:1rem;line-height:1.8;color:rgba(255,255,255,.7);max-width:500px}
.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:3rem}
.footer-col h4{font-size:1.125rem;font-weight:800;color:white;margin-bottom:1.5rem}
.footer-col a{display:block;color:rgba(255,255,255,.7);text-decoration:none;font-size:.9375rem;margin-bottom:1rem;transition:color .3s}
.footer-col a:hover{color:var(--primary);padding-left:10px}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem;padding-top:2rem;border-top:1px solid rgba(220,38,38,.2)}
.footer-bottom p{font-size:.9375rem;color:rgba(255,255,255,.6)}
.footer-links-inline{display:flex;gap:2rem}
.footer-links-inline a{color:rgba(255,255,255,.7);text-decoration:none;font-size:.9375rem}
.footer-links-inline a:hover{color:var(--primary)}
.scroll-top{position:fixed;bottom:2rem;right:2rem;width:3.5rem;height:3.5rem;background:var(--gradient);color:white;border:none;border-radius:50%;cursor:pointer;opacity:0;visibility:hidden;transition:all .3s;z-index:90;font-size:1.25rem;display:flex;align-items:center;justify-content:center}
.scroll-top.visible{opacity:1;visibility:visible}
.scroll-top:hover{transform:translateY(-5px)}
@media(max-width:1200px){.container{padding:0 24px}.hero-title{font-size:42px}.section-title{font-size:2rem}.works-grid{gap:1.5rem}}
@media(max-width:1024px){.services-grid{grid-template-columns:repeat(2,1fr)}.works-grid{grid-template-columns:repeat(2,1fr)}.work-item.large{grid-column:span 1;grid-row:span 1}.process-grid{grid-template-columns:repeat(3,1fr)}.team-content{grid-template-columns:1fr;gap:4rem}.contact-wrapper{grid-template-columns:1fr;gap:4rem}.hero-stats{gap:2rem}}
@media(max-width:768px){.container{padding:0 16px}.header-content{height:70px;flex-wrap:wrap}.nav{order:3;width:100%;justify-content:center;flex-wrap:wrap;gap:1rem;padding-top:1rem;border-top:1px solid rgba(220,38,38,.2)}.nav-link{padding:.5rem 1rem;font-size:14px}.cta-btn{display:none}.menu-toggle{display:none}.hero{padding-top:70px}.hero-title{font-size:32px}.hero-subtitle{font-size:16px}.hero-actions{flex-direction:column}.hero-stats{flex-direction:column;gap:2rem}.section-title{font-size:1.75rem}.services{padding:4rem 0}.services-grid{grid-template-columns:1fr}.works{padding:4rem 0}.works-grid{grid-template-columns:1fr}.process{padding:4rem 0}.process-grid{grid-template-columns:1fr}.team{padding:4rem 0}.contact{padding:4rem 0}.cta-section{padding:4rem 0}.cta-content h2{font-size:2rem}.footer-content{grid-template-columns:1fr;gap:4rem}.footer-links{grid-template-columns:1fr;gap:2rem}.footer-bottom{flex-direction:column;text-align:center}}
@media(max-width:480px){.hero-title{font-size:28px}.section-title{font-size:1.5rem}}