/* ========== duxiaowen.com.cn - System Font Stack v8 ========== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:#ddd;font-family:"PingFang SC","PingFang TC","Noto Sans SC","Microsoft YaHei","SimHei","Heiti SC",sans-serif;color:#707171;font-size:14px;line-height:1.6;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit;transition:all .3s ease}
ul{list-style:none}
h1,h2,h3,h4,h5,h6{color:#333;letter-spacing:.5px;line-height:1.3;font-weight:600}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}

/* === Hero === */
.hero.index{background:#4e93e6;height:100vh;position:relative;overflow:visible;z-index:1}
.header{display:flex;justify-content:space-between;align-items:flex-start;padding:0;position:relative;z-index:10}
.header .logo{margin-left:40px;margin-top:40px}
.header .logo h2{font-size:30px;color:#fafafa;text-shadow:0 3px 8px rgba(0,0,0,.1);font-weight:600}
.header .logo h2 i{margin:0 2px;font-size:20px}
.header .short-contact{margin-right:40px;margin-top:45px}
.header .short-contact ul{display:flex;gap:0;align-items:center}
.header .short-contact li:first-child a{opacity:.5}
.header .short-contact li:first-child a:hover{opacity:1}
.header .short-contact li:last-child a{margin-left:30px}
.header .short-contact a{color:#fafafa;font-size:13px;white-space:nowrap}
.hero .inner-hero{position:absolute;inset:0;overflow:hidden}
.gradient-hero{background:linear-gradient(135deg,#4e93e6,#864be3,#4e93e6,#864be3);background-size:400% 400%;animation:gradientShift 8s ease infinite;position:absolute;inset:0;z-index:0}
@keyframes gradientShift{0%{background-position:0% 50%}50%{background-position:100% 50%}100%{background-position:0% 50%}}
.hero-content{color:#fff;position:relative;text-align:center;top:50%;transform:translateY(-50%);z-index:2;padding:0 20px}
.hero-content .profile-img img{width:250px;height:250px;border:10px solid #fafafa;border-radius:50%;box-shadow:0 5px 15px rgba(0,0,0,.2);display:inline-block;object-fit:cover}
.hero-content .profile-name h2{font-size:30px;color:#fafafa;text-transform:uppercase}
.hero-content .profile-name h2 span{font-size:14px;display:block;text-transform:none;margin-top:1px;color:#fff}
.floating-letters{position:absolute;inset:0;pointer-events:none;z-index:0}
.letter{position:absolute;font-size:240px;font-weight:bold;color:rgba(255,255,255,.1);font-family:'Arial Rounded MT Bold',Arial,sans-serif;animation:floatLetter 6s ease-in-out infinite;line-height:1}
.letter-e{top:20%;left:15%;animation-delay:0s}
.letter-n{top:20%;right:15%;animation-delay:1s}
.letter-t{top:65%;left:15%;animation-delay:2s;animation-duration:5.5s}
.letter-j{top:65%;right:15%;animation-delay:3s;animation-duration:6.5s}
@keyframes floatLetter{0%,100%{transform:translateY(0) rotate(0)}25%{transform:translateY(-30px) rotate(5deg)}50%{transform:translateY(-15px) rotate(-3deg)}75%{transform:translateY(-40px) rotate(3deg)}}
.profile-social ul{display:flex;justify-content:center;gap:10px;flex-wrap:wrap}
.profile-social a{color:#fff;opacity:.3;font-size:15px}
.profile-social a:hover{opacity:.6}
.scroll-down{display:inline-block;width:40px;height:40px;line-height:40px;border-radius:50%;box-shadow:0 2px 8px rgba(0,0,0,.15);color:#fff;text-align:center;font-size:16px;margin-top:40px;transition:all .3s ease}
.scroll-down:hover{box-shadow:0 5px 20px rgba(0,0,0,.15);transform:translateY(-1px)}

/* === Sections === */
.section{padding:100px 0;min-height:auto}
.dark-section{background:#fff;border-top:1px solid #eee}
.light-section{background:#eee}
.section-title{font-size:36px;color:#333;margin-bottom:60px;padding-bottom:20px;border-bottom:2px solid #eee}
.section-title span{font-size:16px;color:#999;font-weight:400;margin-left:8px}
.sub-heading{font-size:20px;color:#333;margin-bottom:30px;letter-spacing:1px}
.mt-30{margin-top:30px!important}
.mt-60{margin-top:60px!important}
.mb-50{margin-bottom:50px!important}

/* === About === */
.about-grid{display:grid;grid-template-columns:2fr 1fr;gap:50px;align-items:start}
.about-text .lead{font-size:18px;color:#333;font-weight:500;margin-bottom:8px}
.about-text .lead-en{font-size:13px;color:#999;font-style:italic;margin-bottom:20px}
.about-text p{font-size:14px;line-height:2;margin-bottom:12px}
.about-text .en-text{font-size:13px;line-height:1.8;color:#888}
.info-list{background:#fafafa;border:1px dashed #eee;padding:30px;margin-bottom:25px}
.info-list li{line-height:28px;font-size:14px}
.info-list li span{color:#333;font-weight:600;min-width:50px;display:inline-block}
.btn-cta{display:inline-block;padding:12px 35px;background:#4e93e6;color:#fff;border-radius:40px;font-size:13px;letter-spacing:1px;transition:all .3s ease}
.btn-cta:hover{background:#3a7fd5;transform:translateY(-2px);box-shadow:0 4px 15px rgba(78,147,230,.3)}
.btn-cta span{margin-left:8px}

/* === Portfolio === */
.filter-bar{display:flex;justify-content:center;flex-wrap:wrap;gap:15px;margin-bottom:40px}
.filter-bar a{padding:8px 20px;border:1px solid #ddd;background:transparent;color:#666;font-size:13px;border-radius:3px;cursor:pointer;transition:all .3s ease;display:inline-block}
.filter-bar a:hover,.filter-bar a.active{background:#4e93e6;color:#fff;border-color:#4e93e6}
.works-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media(max-width:991px){.works-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.works-grid{grid-template-columns:1fr}}
.work-card{background:#fff;border:1px solid #eee;border-radius:4px;overflow:hidden;transition:all .3s ease}
.work-card:hover{transform:translateY(-5px);box-shadow:0 8px 25px rgba(0,0,0,.1)}
.work-card img{width:100%;height:auto;display:block;transition:transform .3s ease}
.work-card:hover img{transform:scale(1.03)}
.work-card .work-info{padding:15px}
.work-card .work-info h3{font-size:14px;color:#333;margin-bottom:4px}
.work-card .work-info p{font-size:12px;color:#999}
.work-card.hidden{display:none}

/* === Resume === */
.resume-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}
@media(max-width:768px){.resume-grid{grid-template-columns:1fr}}
.resume-heading{font-size:20px;color:#333;margin-bottom:25px;padding-bottom:15px;border-bottom:2px solid #4e93e6}
.resume-card{background:#fafafa;border-left:3px solid #4e93e6;padding:25px;margin-bottom:20px;border-radius:0 4px 4px 0;transition:all .3s ease}
.resume-card:hover{transform:translateX(5px);box-shadow:0 4px 15px rgba(0,0,0,.05)}
.resume-card h4{font-size:15px;color:#333;margin-bottom:4px}
.resume-card h4 span{font-size:11px;color:#999;display:block;margin-top:2px}
.resume-card .resume-date{font-size:12px;color:#4e93e6;font-weight:600;margin-bottom:8px}
.resume-card p{font-size:13px;line-height:1.7;color:#707171}

/* === Skills === */
.skills-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
@media(max-width:1100px){.skills-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.skills-grid{grid-template-columns:1fr}}
.skill-card{background:#fff;border:1px solid #eee;border-radius:4px;padding:18px 12px;min-height:130px;text-align:center;transition:all .3s ease;position:relative;display:flex;flex-direction:column;justify-content:center}
.skill-card:hover{transform:translateY(-3px);box-shadow:0 4px 15px rgba(0,0,0,.08)}
.skill-bar{width:100%;height:10px;background:#eee;border-radius:5px;margin:10px 0 6px;overflow:hidden}
.skill-fill{display:block;height:100%;background:linear-gradient(90deg,#4e93e6,#864be3);border-radius:5px}
.skill-name{font-size:11px;color:#333;font-weight:500;display:block;line-height:1.3}
.skill-pct{font-size:14px;font-weight:700;color:#4e93e6;position:absolute;top:8px;right:10px}

.lang-grid{display:flex;justify-content:center;gap:40px;flex-wrap:wrap}
.lang-card{text-align:center}
.lang-circle{width:130px;height:130px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 12px;font-size:14px;color:#333;position:relative}
.lang-circle span{position:relative;z-index:1}
.lang-card[data-pct="100"] .lang-circle{border:20px solid #4e93e6}
.lang-card[data-pct="70"] .lang-circle{border:15px solid #4e93e6}
.lang-card h4{color:#707171;font-size:15px}

/* === Services - original 6 cards with overlay === */
.services-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:25px}
@media(max-width:768px){.services-grid{grid-template-columns:1fr}}
.service-card{position:relative;border-radius:4px;overflow:hidden;box-shadow:0 2px 10px rgba(0,0,0,.08);background:#fff;min-height:180px}
.service-card:hover{transform:translateY(-5px);box-shadow:0 8px 25px rgba(0,0,0,.12)}
.service-card-img{position:relative;width:100%;height:100%;overflow:hidden}
.service-card-img img{width:100%;height:100%;object-fit:cover;display:block}
.service-card-img::before{content:'';position:absolute;inset:0;background:rgba(51,51,51,.25);z-index:1}
.service-card-text{position:absolute;right:25px;top:50%;transform:translateY(-50%);z-index:2;text-align:right}
.service-card-text h4{color:#fff;font-size:15px;text-transform:uppercase;text-shadow:0 1px 4px rgba(0,0,0,.4);letter-spacing:1px}

/* === Clients === */
.clients-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}
@media(max-width:768px){.clients-grid{grid-template-columns:1fr}}
.testimonial-card{background:#fff;border:1px solid #eee;border-radius:4px;padding:30px;transition:all .3s ease}
.testimonial-card:hover{transform:translateY(-3px);box-shadow:0 4px 15px rgba(0,0,0,.05)}
.testimonial-card p{font-size:14px;line-height:1.8;color:#555;margin-bottom:15px;font-style:italic}
.testimonial-card cite{font-size:12px;color:#999;font-style:normal}
.brand-tags{display:flex;flex-wrap:wrap;gap:10px}
.brand-tags span{background:#fff;border:1px solid #ddd;padding:6px 16px;font-size:12px;color:#666;border-radius:3px;transition:all .3s ease}
.brand-tags span:hover{border-color:#4e93e6;color:#4e93e6}

/* === Contact === */
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px;margin-bottom:30px}
@media(max-width:768px){.contact-grid{grid-template-columns:1fr}}
.contact-card{background:#fafafa;border:1px solid #eee;border-radius:4px;padding:30px;text-align:center;transition:all .3s ease}
.contact-card:hover{transform:translateY(-3px);box-shadow:0 4px 15px rgba(0,0,0,.05)}
.contact-card i{font-size:36px;color:#4e93e6;margin-bottom:15px;display:block}
.contact-card h4{font-size:14px;color:#333;margin-bottom:8px}
.contact-card p a{color:#4e93e6}
.contact-card p a:hover{color:#3a7fd5}
.contact-cta{text-align:center}
.contact-cta a{display:inline-block;padding:12px 30px;background:#4e93e6;color:#fff;border-radius:40px;font-size:14px;transition:all .3s ease}
.contact-cta a:hover{background:#3a7fd5;transform:translateY(-2px)}
.contact-cta i{margin-right:8px}

/* === Footer === */
.footer-section{position:relative;padding:60px 0 40px;text-align:center}
.footer-section .gradient-footer{position:absolute;inset:0;z-index:0;background:linear-gradient(135deg,#4e93e6,#864be3,#4e93e6,#864be3);background-size:400% 400%;animation:gradientShift 8s ease infinite}
.footer-content{position:relative;z-index:1}
.footer-logo h2{font-size:30px;color:#fafafa;text-shadow:0 3px 8px rgba(0,0,0,.1);font-weight:600}
.footer-logo h2 i{margin:0 2px;font-size:20px}
.footer-content>p{font-size:11px;color:#fafafa;margin-top:10px;opacity:.8}
.back-to-top{display:inline-block;width:50px;height:50px;line-height:50px;border-radius:50%;background:rgba(255,255,255,.2);color:#fff;font-size:20px;margin-top:20px;transition:all .3s ease}
.back-to-top:hover{background:rgba(255,255,255,.35);transform:translateY(-2px)}

/* === VenoBox modal === */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.9);z-index:9999;display:none;align-items:center;justify-content:center;cursor:pointer}
.modal-overlay.active{display:flex}
.modal-overlay img{max-width:90vw;max-height:90vh;object-fit:contain;border-radius:4px}

/* === Fade-in === */
.fade-in{opacity:0;transform:translateY(20px);transition:opacity .5s ease,transform .5s ease}
.fade-in.visible{opacity:1;transform:translateY(0)}

/* === Media Queries === */
@media(max-width:1024px){
    .section{padding:80px 0}
    .section-title{font-size:28px;margin-bottom:40px}
    .hero-content .profile-img img{width:200px;height:200px;border-width:8px}
    .hero-content .profile-name h2{font-size:26px}
    .header .logo{margin-left:20px;margin-top:20px}
    .header .short-contact{margin-right:15px;margin-top:25px}
    .about-grid{grid-template-columns:1fr}
    .resume-grid{grid-template-columns:1fr}
}
@media(max-width:768px){
    .section{padding:60px 0}
    .section-title{font-size:24px;margin-bottom:30px}
    .hero.index{height:100vh;min-height:600px}
    .hero-content .profile-img img{width:160px;height:160px;border-width:6px}
    .hero-content .profile-name h2{font-size:22px}
    .hero-content .profile-name h2 span{font-size:12px}
    .floating-letters .letter{font-size:120px}
    .filter-bar a{padding:6px 14px;font-size:12px}
    .header{flex-direction:column;align-items:center}
    .header .logo{margin:20px auto 0}
    .header .short-contact{margin:10px auto 0}
    .header .short-contact ul{justify-content:center}
    .header .short-contact li:last-child a{margin-left:15px}
    .services-grid{grid-template-columns:1fr}
    .contact-grid{grid-template-columns:1fr}
}
@media(max-width:480px){
    .hero-content .profile-img img{width:130px;height:130px;border-width:5px}
    .hero-content .profile-name h2{font-size:18px}
    .floating-letters .letter{font-size:80px}
    .section-title{font-size:20px}
    .section-title span{display:block}
    .skills-grid{grid-template-columns:1fr}
}