:root{--primary-color:#667eea;--primary-dark:#5a6fd6;--secondary-color:#764ba2;--accent-color:#f093fb;--bg-color:#fff;--bg-secondary:#f8fafc;--text-color:#1e293b;--text-secondary:#64748b;--border-color:#e2e8f0;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -1px #0000000f;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -2px #0000000d;--shadow-xl:0 20px 25px -5px #0000001a, 0 10px 10px -5px #0000000a;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--transition-fast:.15s ease;--transition-normal:.3s ease;--transition-slow:.5s ease;--font-sans:"PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--max-width:1200px}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-sans);color:var(--text-color);background-color:var(--bg-color);line-height:1.6}.app{min-height:100vh}.container{max-width:var(--max-width);margin:0 auto;padding:0 24px}.section__title{color:var(--text-color);text-align:center;margin-bottom:48px;font-size:32px;font-weight:700;position:relative}.section__title:after{content:"";background:linear-gradient(135deg, var(--primary-color), var(--secondary-color));border-radius:2px;width:60px;height:4px;position:absolute;bottom:-12px;left:50%;transform:translate(-50%)}.header{z-index:1000;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);transition:all var(--transition-normal);background:#fffffff2;border-bottom:1px solid #0000000d;position:fixed;top:0;left:0;right:0}.header--scrolled{box-shadow:var(--shadow-md);background:#fffffffa}.nav{max-width:var(--max-width);justify-content:space-between;align-items:center;height:72px;margin:0 auto;padding:0 24px;display:flex}.nav__logo{color:var(--primary-color);transition:color var(--transition-fast);font-size:24px;font-weight:700;text-decoration:none}.nav__logo:hover{color:var(--primary-dark)}.nav__list{gap:32px;list-style:none;display:flex}.nav__link{color:var(--text-secondary);transition:color var(--transition-fast);font-weight:500;text-decoration:none;position:relative}.nav__link:hover{color:var(--primary-color)}.nav__link:after{content:"";background:var(--primary-color);width:0;height:2px;transition:width var(--transition-normal);position:absolute;bottom:-6px;left:0}.nav__link:hover:after{width:100%}.nav__download-btn{background:linear-gradient(135deg, var(--primary-color), var(--secondary-color));color:#fff;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);border:none;padding:10px 24px;font-weight:600}.nav__download-btn:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}.nav__mobile-toggle{cursor:pointer;background:0 0;border:none;flex-direction:column;gap:6px;padding:8px;display:none}.nav__mobile-toggle span{background:var(--text-color);width:24px;height:2px;transition:all var(--transition-normal)}.nav__mobile-menu{box-shadow:var(--shadow-lg);background:#fff;padding:24px;display:none;position:absolute;top:72px;left:0;right:0}.nav__mobile-menu--open{display:block}.nav__mobile-list{flex-direction:column;gap:16px;list-style:none;display:flex}.nav__mobile-link{color:var(--text-secondary);border-bottom:1px solid var(--border-color);transition:color var(--transition-fast);padding:12px 0;font-size:18px;font-weight:500;text-decoration:none}.nav__mobile-link:hover{color:var(--primary-color)}.nav__mobile-download{background:linear-gradient(135deg, var(--primary-color), var(--secondary-color));color:#fff;border-radius:var(--radius-md);cursor:pointer;border:none;width:100%;margin-top:24px;padding:14px;font-weight:600}.hero{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);justify-content:center;align-items:center;min-height:100vh;padding:0 24px;display:flex;position:relative;overflow:hidden}.hero:before{content:"";background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");position:absolute;inset:0}.hero__content{text-align:center;color:#fff;z-index:1;max-width:600px;position:relative}.hero__avatar{width:180px;height:180px;box-shadow:var(--shadow-xl);border:4px solid #ffffff4d;border-radius:50%;margin-bottom:24px}.hero__avatar-placeholder{color:#fffc;width:150px;height:150px;box-shadow:var(--shadow-xl);background:#fff3;border:4px solid #ffffff4d;border-radius:50%;justify-content:center;align-items:center;margin:0 auto 24px;font-size:56px;font-weight:700;display:flex;overflow:hidden}.hero__avatar-img{object-fit:cover;border-radius:50%;width:100%;height:100%}.hero__info-tags{flex-wrap:wrap;justify-content:center;gap:12px;margin-bottom:32px;display:flex}.hero__tag{color:#fffffff2;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);background:#ffffff26;border:1px solid #ffffff40;border-radius:100px;padding:8px 20px;font-size:14px;display:inline-block}.hero__tag strong{color:#fff;margin-right:4px;font-weight:600}.hero__name{letter-spacing:-2px;margin-bottom:12px;font-size:48px;font-weight:800}.hero__title{opacity:.9;margin-bottom:24px;font-size:24px;font-weight:500}.hero__description{opacity:.95;margin-bottom:32px;font-size:18px;line-height:1.8}.hero__buttons{justify-content:center;gap:16px;margin-bottom:40px;display:flex}.hero__btn{border-radius:var(--radius-md);transition:all var(--transition-normal);align-items:center;padding:14px 32px;font-weight:600;text-decoration:none;display:inline-flex}.hero__btn--primary{color:var(--primary-color);box-shadow:var(--shadow-lg);background:#fff}.hero__btn--primary:hover{box-shadow:var(--shadow-xl);transform:translateY(-3px)}.hero__btn--secondary{color:#fff;background:#fff3;border:2px solid #fff6}.hero__btn--secondary:hover{background:#ffffff4d;border-color:#fff9}.hero__social{justify-content:center;gap:24px;display:flex}.hero__social-link{color:#fff;opacity:.8;transition:opacity var(--transition-fast);font-weight:500;text-decoration:none}.hero__social-link:hover{opacity:1}.experience{background:var(--bg-secondary);padding:80px 0}.experience__work{grid-template-columns:repeat(auto-fit,minmax(350px,1fr));gap:24px;margin-bottom:48px;display:grid}.experience__card{border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);transition:all var(--transition-normal);border:1px solid var(--border-color);background:#fff;padding:32px}.experience__card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}.experience__company{color:var(--text-color);margin-bottom:8px;font-size:20px;font-weight:700}.experience__position{color:var(--primary-color);margin-bottom:16px;font-size:16px;font-weight:600}.experience__description{color:var(--text-secondary);font-size:14px;line-height:1.8}.experience__education{margin-top:48px}.experience__card--education{max-width:600px;margin:0 auto}.projects{padding:80px 0}.projects__grid{grid-template-columns:repeat(auto-fit,minmax(380px,1fr));gap:32px;display:grid}.projects__card{border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);border:1px solid var(--border-color);transition:all var(--transition-normal);background:#fff;overflow:hidden}.projects__card:hover{box-shadow:var(--shadow-xl);transform:translateY(-6px)}.projects__image{object-fit:cover;width:100%;height:200px;transition:transform var(--transition-slow)}.projects__card:hover .projects__image{transform:scale(1.05)}.projects__banner{justify-content:center;align-items:center;width:100%;height:160px;display:flex;position:relative;overflow:hidden}.projects__banner-index{color:#fff3;letter-spacing:-2px;font-size:64px;font-weight:800}.projects__card-body{padding:24px}.projects__title{color:var(--text-color);margin-bottom:8px;font-size:20px;font-weight:700}.projects__period{color:var(--primary-color);margin-bottom:12px;font-size:13px;font-weight:600}.projects__description{color:var(--text-secondary);margin-bottom:16px;font-size:14px;line-height:1.8}.projects__tech{color:var(--text-secondary);background:var(--bg-secondary);border-radius:var(--radius-sm);padding:12px;font-family:SF Mono,Fira Code,monospace;font-size:12px;line-height:1.6}.projects__stats{color:var(--primary-color);margin-bottom:24px;padding:0 24px;font-size:13px;font-weight:600}.projects__links{gap:16px;padding:0 24px 24px;display:flex}.projects__link{color:var(--primary-color);border-radius:var(--radius-sm);transition:all var(--transition-fast);background:#667eea1a;padding:8px 16px;font-size:14px;font-weight:600;text-decoration:none}.projects__link:hover{background:var(--primary-color);color:#fff}.skills{background:var(--bg-secondary);padding:80px 0}.skills__grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:32px;display:grid}.skills__category{border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);border:1px solid var(--border-color);background:#fff;padding:32px}.skills__category-title{color:var(--text-color);border-bottom:2px solid var(--border-color);margin-bottom:24px;padding-bottom:12px;font-size:18px;font-weight:700}.skills__list{flex-direction:column;gap:16px;display:flex}.skills__item{align-items:center;gap:12px;display:flex}.skills__name{width:90px;color:var(--text-secondary);font-size:14px;font-weight:500}.skills__bar{background:#e2e8f0;border-radius:4px;flex:1;height:8px;overflow:hidden}.skills__progress{background:linear-gradient(135deg, var(--primary-color), var(--secondary-color));height:100%;transition:width var(--transition-slow);border-radius:4px}.skills__level{width:45px;color:var(--primary-color);text-align:right;font-size:13px;font-weight:600}.contact{padding:80px 0}.contact__intro{text-align:center;color:var(--text-secondary);margin-bottom:48px;font-size:18px}.contact__content{grid-template-columns:1fr 350px;gap:48px;max-width:900px;margin:0 auto;display:grid}.contact__form{border-radius:var(--radius-lg);box-shadow:var(--shadow-md);border:1px solid var(--border-color);background:#fff;padding:40px}.contact__form-group{margin-bottom:24px}.contact__label{color:var(--text-color);margin-bottom:8px;font-size:14px;font-weight:600;display:block}.contact__input{border:2px solid var(--border-color);border-radius:var(--radius-md);width:100%;color:var(--text-color);transition:all var(--transition-fast);padding:14px;font-family:inherit;font-size:15px}.contact__input:focus{border-color:var(--primary-color);outline:none;box-shadow:0 0 0 3px #667eea1a}.contact__input::placeholder{color:var(--text-secondary)}.contact__textarea{border:2px solid var(--border-color);border-radius:var(--radius-md);width:100%;color:var(--text-color);resize:vertical;min-height:120px;transition:all var(--transition-fast);padding:14px;font-family:inherit;font-size:15px}.contact__textarea:focus{border-color:var(--primary-color);outline:none;box-shadow:0 0 0 3px #667eea1a}.contact__textarea::placeholder{color:var(--text-secondary)}.contact__submit-btn{background:linear-gradient(135deg, var(--primary-color), var(--secondary-color));color:#fff;border-radius:var(--radius-md);cursor:pointer;width:100%;transition:all var(--transition-fast);border:none;padding:16px;font-size:16px;font-weight:600}.contact__submit-btn:hover:not(:disabled){box-shadow:var(--shadow-lg);transform:translateY(-2px)}.contact__submit-btn:disabled{opacity:.7;cursor:not-allowed}.contact__info{flex-direction:column;justify-content:center;align-items:center;display:flex}.contact__info-title{color:var(--text-color);margin-bottom:24px;font-size:20px;font-weight:700}.contact__info-list{flex-direction:column;gap:20px;width:100%;display:flex}.contact__info-item{border-radius:var(--radius-md);border:1px solid var(--border-color);transition:all var(--transition-normal);background:#fff;align-items:center;gap:16px;padding:16px;display:flex}.contact__info-item:hover{box-shadow:var(--shadow-md);border-color:var(--primary-color);transform:translateY(-2px)}.contact__info-icon{background:var(--bg-secondary);border-radius:var(--radius-sm);flex-shrink:0;justify-content:center;align-items:center;width:48px;height:48px;font-size:28px;display:flex}.contact__info-text{flex-direction:column;gap:2px;display:flex}.contact__info-label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;font-size:12px;font-weight:500}.contact__info-value{color:var(--text-color);word-break:break-all;font-size:15px;font-weight:600}.contact__qr-code{flex-direction:column;align-items:center;gap:12px;display:flex}.contact__qr-image{border-radius:var(--radius-md);width:200px;height:200px;box-shadow:var(--shadow-md)}.contact__qr-label{color:var(--text-secondary);font-size:14px;font-weight:500}.footer{background:var(--text-color);color:#fff;padding:48px 0}.footer__content{max-width:var(--max-width);flex-direction:column;align-items:center;gap:24px;margin:0 auto;padding:0 24px;display:flex}.footer__nav{gap:24px;list-style:none;display:flex}.footer__link{color:#ffffffb3;transition:color var(--transition-fast);font-weight:500;text-decoration:none}.footer__link:hover{color:#fff}.footer__copyright{text-align:center;color:#ffffff80;font-size:14px}.footer__copyright p{margin-bottom:4px}.footer__icp{color:#fff6;font-size:12px;text-decoration:none}@media (width<=1024px){.nav__list{gap:24px}.hero__name{font-size:36px}.hero__title{font-size:20px}.projects__grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}}@media (width<=768px){.nav__list,.nav__download-btn{display:none}.nav__mobile-toggle{display:flex}.hero__name{font-size:28px}.hero__title{font-size:18px}.hero__description{font-size:16px}.hero__buttons{flex-direction:column;align-items:center}.hero__btn{justify-content:center;width:200px}.experience__work,.projects__grid,.skills__grid,.contact__content{grid-template-columns:1fr}.contact__form{padding:24px}.footer__nav{flex-wrap:wrap;justify-content:center}}@media (width<=480px){.container,.nav{padding:0 16px}.section__title,.hero__name{font-size:24px}.hero__avatar{width:140px;height:140px}.experience__card,.skills__category{padding:20px}}