.navbar{background:#fffffff2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);position:fixed;top:0;width:100%;z-index:1000;box-shadow:0 2px 20px #0000001a;transition:all .3s cubic-bezier(.4,0,.2,1)}.navbar.scrolled{background:#fffffffa;box-shadow:0 2px 20px #00000026}.nav-container{max-width:1200px;margin:0 auto;padding:0 20px;display:flex;justify-content:space-between;align-items:center;height:70px;position:relative}.nav-logo{flex-shrink:0}.nav-logo h2{color:#2563eb;font-weight:600;font-size:1.5rem;transition:color .3s ease}.nav-menu{display:flex;gap:2rem;position:relative;flex:1;justify-content:center}.nav-menu:before{content:"";position:absolute;bottom:-8px;left:var(--droplet-left, 0);width:var(--droplet-width, 0);height:8px;background:linear-gradient(135deg,#2563eb,#3b82f6,#60a5fa);border-radius:50px;transition:all .8s cubic-bezier(.34,1.56,.64,1);opacity:0;box-shadow:0 4px 15px #2563eb66,0 2px 8px #2563eb33;transform:translateY(5px) scale(.8)}.nav-menu.has-active:before{opacity:1;transform:translateY(0) scale(1)}.nav-menu:after{content:"";position:absolute;bottom:-6px;left:var(--droplet-left, 0);width:var(--droplet-width, 0);height:6px;background:#2563eb33;border-radius:50px;transition:all .8s cubic-bezier(.34,1.56,.64,1) .1s;opacity:0;transform:scale(1)}.nav-menu.has-active:after{opacity:1;animation:dropletRipple 3s infinite}.nav-link{text-decoration:none;color:#333;font-weight:500;transition:color .3s cubic-bezier(.4,0,.2,1);position:relative;padding:12px 18px;outline:none!important;border:none!important;background:none!important;box-shadow:none!important;z-index:10}.nav-link:hover{color:#2563eb;outline:none!important;border:none!important;background:none!important;box-shadow:none!important}.nav-link.active{color:#2563eb;font-weight:600;outline:none!important;border:none!important;background:none!important;box-shadow:none!important}.nav-link:focus{color:#2563eb;outline:none!important;border:none!important;background:none!important;box-shadow:none!important}.nav-link:active{color:#2563eb;outline:none!important;border:none!important;background:none!important;box-shadow:none!important}.hamburger{display:none;flex-direction:column;cursor:pointer;padding:5px}.bar{width:25px;height:3px;background:#333;margin:3px 0;transition:all .3s cubic-bezier(.4,0,.2,1)}.dark-mode .navbar{background:#1a1a1af2;border-bottom:1px solid #333}.dark-mode .navbar.scrolled{background:#1a1a1afa;box-shadow:0 2px 20px #0000004d}.dark-mode .nav-logo h2{color:#4a9eff}.dark-mode .nav-link{color:#f5f5f5;outline:none!important;border:none!important;background:none!important;box-shadow:none!important}.dark-mode .nav-link:hover,.dark-mode .nav-link.active,.dark-mode .nav-link:focus,.dark-mode .nav-link:active{color:#4a9eff;outline:none!important;border:none!important;background:none!important;box-shadow:none!important}.dark-mode .nav-menu:before{background:linear-gradient(135deg,#4a9eff,#63b3ed,#93c5fd);box-shadow:0 4px 15px #4a9eff80,0 2px 8px #4a9eff4d}.dark-mode .nav-menu:after{background:#4a9eff4d}.dark-mode .hamburger .bar{background:#f5f5f5}@media (max-width: 768px){.hamburger{display:flex;position:relative;z-index:1001}.nav-menu{position:fixed;left:-100%;top:70px;flex-direction:column;background-color:#fff;width:100%;text-align:center;transition:left .3s cubic-bezier(.4,0,.2,1);box-shadow:0 10px 27px #0000000d;padding:2rem 0;gap:1rem;align-items:center;justify-content:center}.nav-menu.active{left:0}.nav-link{display:block;text-align:center;width:100%;max-width:200px;padding:12px 20px;margin:0 auto}.hamburger.active .bar:nth-child(2){opacity:0}.hamburger.active .bar:nth-child(1){transform:translateY(8px) rotate(45deg)}.hamburger.active .bar:nth-child(3){transform:translateY(-8px) rotate(-45deg)}.dark-mode .nav-menu{background-color:#2d3748;border-top:1px solid #4a5568}.dark-mode .nav-link{color:#e2e8f0}}@media (max-width: 480px){.nav-container{padding:0 15px}.nav-logo h2{font-size:1.3rem}.nav-link{padding:10px 16px;font-size:1rem}}@keyframes dropletRipple{0%{transform:scale(1);opacity:.3}50%{transform:scale(1.5);opacity:.1}to{transform:scale(2);opacity:0}}@keyframes dropletFlow{0%{transform:translate(0) scale(1);border-radius:50px}30%{transform:translate(var(--flow-distance, 0)) scale(1.2);border-radius:30px 50px}70%{transform:translate(var(--flow-distance, 0)) scale(.8);border-radius:50px 30px}to{transform:translate(var(--flow-distance, 0)) scale(1);border-radius:50px}}.nav-menu.flowing:before{animation:dropletFlow .8s cubic-bezier(.34,1.56,.64,1)}.hero{padding:120px 0 80px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;position:relative;overflow:hidden}.hero:before{content:"";position:absolute;inset:0;background:url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><polygon fill="rgba(255,255,255,0.05)" points="0,1000 1000,200 1000,1000"/></svg>');background-size:cover}.hero-content{display:grid;grid-template-columns:1fr 2fr;gap:4rem;align-items:center;position:relative;z-index:1}.language-toggle{margin-bottom:1rem}.lang-btn{background:#ffffff40;border:1px solid rgba(255,255,255,.5);color:#fff;padding:.5rem 1rem;border-radius:20px;cursor:pointer;margin-right:.5rem;transition:all .3s cubic-bezier(.4,0,.2,1);-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;font-weight:600;box-shadow:0 2px 8px #0000001a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.lang-btn.active,.lang-btn:hover{background:#ffffffe6;border-color:#ffffffe6;color:#2563eb;box-shadow:0 4px 12px #00000026}.lang-btn:active{transform:scale(.95)}.hero-title{font-size:3.5rem;font-weight:700;margin-bottom:1rem;background:linear-gradient(45deg,#fff,#f0f9ff);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-subtitle{font-size:1.5rem;font-weight:400;margin-bottom:1rem;opacity:.9}.hero-motto{font-size:1.1rem;margin-bottom:2rem;opacity:.8}.hero-info p{margin-bottom:1rem;font-size:1.1rem}.social-links{display:flex;gap:1.5rem;flex-wrap:wrap}.social-link{color:#fff;text-decoration:none;padding:.5rem 1rem;background:#ffffff1a;border-radius:25px;border:1px solid rgba(255,255,255,.2);transition:all .3s cubic-bezier(.4,0,.2,1);display:flex;align-items:center;gap:.5rem}.social-link:hover{background:#fff3;transform:translateY(-2px)}.hero-image{text-align:center}.profile-photo{width:280px;height:280px;border-radius:50%;overflow:hidden;margin:0 auto;border:4px solid rgba(255,255,255,.3);box-shadow:0 20px 40px #0003;transition:transform .3s cubic-bezier(.4,0,.2,1);position:relative;cursor:pointer}.profile-photo:hover{transform:scale(1.05) rotate(2deg)}.profile-photo:active{transform:scale(.95)}.profile-img{width:100%;height:100%;object-fit:cover;transition:all .5s cubic-bezier(.4,0,.2,1);background:#fff}.profile-img.anime{object-fit:contain;background:#fff;padding:1px;object-position:center center;transform:scale(1.4) translate(4px) translateY(4.5px)}.profile-img.flipping{transform:rotateY(180deg);opacity:0}.avatar-hint{position:absolute;bottom:-35px;left:50%;transform:translate(-50%);background:#000000b3;color:#fff;padding:5px 12px;border-radius:15px;font-size:12px;opacity:0;transition:opacity .3s cubic-bezier(.4,0,.2,1);white-space:nowrap;pointer-events:none}.profile-photo:hover .avatar-hint{opacity:1}.rednote-icon{width:16px;height:16px;object-fit:contain;margin-right:.5rem;transition:all .3s cubic-bezier(.4,0,.2,1);vertical-align:middle}.social-link:hover .rednote-icon{transform:scale(1.1);filter:brightness(1.1)}.social-link i,.social-link .rednote-icon{display:inline-block;width:16px;text-align:center}.dark-mode .hero{background:linear-gradient(135deg,#2d3748,#4a5568)}.dark-mode .hero-title{background:linear-gradient(45deg,#fff,#f0f9ff);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.dark-mode .hero-subtitle,.dark-mode .hero-motto,.dark-mode .hero-info{color:#f5f5f5}.dark-mode .lang-btn{background:#2d37484d;border-color:#4a90ff4d;color:#f5f5f5}.dark-mode .lang-btn.active,.dark-mode .lang-btn:hover{background:#4a90ff33;border-color:#4a90ff80;color:#fff}.dark-mode .social-link{background:#2d37484d;border-color:#4a90ff4d;color:#f0f0f0}.dark-mode .social-link:hover{background:#4a90ff33}.dark-mode .avatar-hint{background:#2d3748e6;color:#f5f5f5}@media (max-width: 1024px){.hero-content{grid-template-columns:1fr;text-align:center;gap:3rem}.hero-title{font-size:2.8rem}.profile-photo{width:220px;height:220px}}@media (max-width: 768px){.hero{padding:100px 0 60px}.hero-title{font-size:2.2rem}.hero-subtitle{font-size:1.2rem}.social-links{justify-content:center}.profile-photo{width:180px;height:180px}}@media (max-width: 480px){.hero-title{font-size:1.8rem}.hero-subtitle{font-size:1rem}.hero-motto{font-size:.95rem}.social-links{flex-direction:column;gap:.8rem}.social-link{justify-content:center}.profile-photo{width:150px;height:150px}.rednote-icon{width:14px;height:14px}}.quote-section{padding:60px 0;background:#f8fafc;text-align:center}.quote-with-images{display:flex;align-items:center;justify-content:center;max-width:1000px;margin:0 auto;gap:2rem;background:#fff;padding:2rem;border-radius:16px;box-shadow:0 8px 32px #0000001a;border:1px solid rgba(0,0,0,.05)}.quote-image{height:125px;border-radius:10px;transition:transform .3s cubic-bezier(.4,0,.2,1)}.quote-image:hover{transform:scale(1.05)}.quote-section blockquote{font-size:1.5rem;font-style:italic;color:#555;flex:1;margin:0}.quote-section .japanese{margin-top:1rem;font-size:1.2rem;color:#666}.quote-section cite{display:block;margin-top:1.5rem;font-size:1rem;color:#888}.dark-mode .quote-section{background:#2d3748}.dark-mode .quote-with-images{background:#2d3748cc;border:1px solid #4a5568}.dark-mode .quote-section blockquote p{color:#f5f5f5}@media (max-width: 768px){.quote-section blockquote{font-size:1.2rem}.quote-with-images{flex-direction:column;gap:1.5rem;padding:1.5rem;margin:0 1rem}.quote-image{height:100px}}@media (max-width: 480px){.quote-section blockquote{font-size:1rem}.quote-image{height:80px}.quote-with-images{padding:1rem;margin:0 .5rem}}.about-section{background:#fff}.about-content{display:flex;flex-direction:column;gap:2rem;margin-bottom:2rem}.about-text{font-size:1.1rem;line-height:1.8;width:100%}.about-text a{color:#2563eb;text-decoration:none;transition:color .3s ease}.about-text a:hover{color:#1d4ed8;text-decoration:underline}.research-section{margin-top:2rem}.research-title{font-size:1.5rem;color:#1e293b;margin-bottom:2rem;text-align:center;font-weight:600}.research-interests{margin:0}.research-item{margin-bottom:2.5rem;padding:2rem;background:#f8fafc;border-radius:12px;border-left:4px solid #2563eb;transition:all .3s cubic-bezier(.4,0,.2,1)}.research-item:hover{transform:translateY(-5px);box-shadow:0 10px 30px #0000001a}.research-item h4{color:#2563eb;margin-bottom:1rem;font-size:1.3rem;font-weight:600}.research-item p{line-height:1.7;color:#4b5563}.dark-mode .about-section{background:#1a1a1a}.dark-mode .about-text a{color:#93c5fd}.dark-mode .about-text a:hover{color:#63b3ed}.dark-mode .research-title{color:#fff}.dark-mode .research-item{background:#2d3748;border-color:#4a5568;color:#f0f0f0}.dark-mode .research-item h4{color:#fff}.dark-mode .research-item p{color:#e8e8e8}.dark-mode .research-item:hover{background:#374151;box-shadow:0 8px 25px #0000004d}@media (max-width: 768px){.about-content{flex-direction:column;gap:1.5rem}}@media (max-width: 480px){.research-item{padding:1.5rem}}.news-section{background:#f8fafc}.news-scroll-container{max-width:900px;margin:0 auto;max-height:600px;overflow-y:auto;overflow-x:hidden;border-radius:12px;background:transparent;position:relative;scrollbar-width:thin;scrollbar-color:rgba(37,99,235,.3) rgba(0,0,0,.05)}.news-scroll-container::-webkit-scrollbar{width:6px}.news-scroll-container::-webkit-scrollbar-track{background:#0000000d;border-radius:3px}.news-scroll-container::-webkit-scrollbar-thumb{background:#2563eb4d;border-radius:3px;transition:background .3s ease}.news-scroll-container::-webkit-scrollbar-thumb:hover{background:#2563eb80}.news-timeline{padding:10px 0;transition:all .3s cubic-bezier(.4,0,.2,1)}.news-item{display:grid;grid-template-columns:150px 1fr;gap:2rem;margin-bottom:1.5rem;padding:1.8rem;background:#fff;border-radius:12px;box-shadow:0 4px 20px #0000000d;transition:all .3s cubic-bezier(.4,0,.2,1);scroll-margin-top:20px}.news-item:hover{transform:translateY(-3px);box-shadow:0 8px 30px #0000001a}.news-date{font-weight:600;color:#2563eb;font-size:.95rem}.news-content{display:flex;gap:1rem}.news-emoji{font-size:1.2rem;margin-top:.2rem;flex-shrink:0}.news-content p{line-height:1.7;margin:0}.news-content strong{font-weight:600}.news-content em{font-style:italic}.news-content a{color:#2563eb;text-decoration:none;transition:color .3s ease}.news-content a:hover{color:#1d4ed8;text-decoration:underline}.dark-mode .news-section{background:#2d3748}.dark-mode .news-scroll-container{scrollbar-color:rgba(74,158,255,.4) rgba(255,255,255,.1)}.dark-mode .news-scroll-container::-webkit-scrollbar-track{background:#ffffff1a}.dark-mode .news-scroll-container::-webkit-scrollbar-thumb{background:#4a9eff66}.dark-mode .news-scroll-container::-webkit-scrollbar-thumb:hover{background:#4a9eff99}.dark-mode .news-item{background:#2d3748;border-color:#4a5568;color:#f0f0f0}.dark-mode .news-date{color:#f5f5f5;font-weight:600}.dark-mode .news-content p{color:#e8e8e8}.dark-mode .news-item:hover{background:#374151;box-shadow:0 8px 25px #0000004d}.dark-mode .news-content a{color:#93c5fd}.dark-mode .news-content a:hover{color:#63b3ed}@media (max-width: 768px){.news-scroll-container{max-height:500px;margin:0 1rem}.news-item{grid-template-columns:1fr;gap:1rem;margin-bottom:1rem;padding:1.5rem}.news-date{text-align:left;padding-right:0}}@media (max-width: 480px){.news-scroll-container{max-height:450px;margin:0 .5rem}.news-item{padding:1.2rem;margin-bottom:.8rem}.news-content{flex-direction:column;gap:.5rem}.news-emoji{align-self:flex-start}}.publications-section{background:#fff}.publication-grid{display:grid;gap:2rem;margin-bottom:4rem}.publication-item{display:grid;grid-template-columns:420px 1fr;gap:3.5rem;padding:2rem;background:#f8fafc;border-radius:12px;border-left:4px solid #2563eb;transition:all .3s cubic-bezier(.4,0,.2,1)}.publication-item:hover{transform:translateY(-3px);box-shadow:0 8px 25px #0000001a}.publication-image{position:relative;width:100%;height:200px;border-radius:10px;overflow:hidden;background:#fff;box-shadow:0 4px 12px #00000026}.publication-image img{width:100%;height:100%;object-fit:contain;transition:transform .3s cubic-bezier(.4,0,.2,1)}.publication-image:hover img{transform:scale(1.05)}.publication-badge{position:absolute;top:10px;left:10px;background:#2563eb;color:#fff;padding:.4rem 1rem;border-radius:8px;font-weight:600;font-size:.85rem;z-index:1;box-shadow:0 3px 6px #00000040}.publication-content h4{font-size:1.1rem;margin-bottom:.5rem;color:#1e3a8a;font-weight:500;line-height:1.4}.publication-content p{color:#4b5563;font-size:1rem;margin-bottom:1rem;line-height:1.6}.publication-content em{font-style:italic}.publication-links{display:flex;gap:1rem;flex-wrap:wrap}.pub-link{color:#2563eb;text-decoration:none;font-weight:500;transition:color .3s cubic-bezier(.4,0,.2,1)}.pub-link:hover{color:#1d4ed8;text-decoration:underline}.dark-mode .publications-section{background:#1a1a1a}.dark-mode .publication-item{background:#2d3748;border-color:#4a5568;color:#f0f0f0}.dark-mode .publication-content h4{color:#fff}.dark-mode .publication-content p{color:#e8e8e8}.dark-mode .publication-item:hover{background:#374151;box-shadow:0 8px 25px #0000004d}.dark-mode .publication-badge{background:#374151;color:#d1d5db}.dark-mode .pub-link{color:#93c5fd;border-color:#3b82f666}.dark-mode .pub-link:hover{color:#63b3ed}@media (max-width: 1024px){.publication-item{grid-template-columns:360px 1fr;gap:3rem}.publication-image{height:180px}}@media (max-width: 768px){.publication-item{grid-template-columns:1fr;gap:1rem}.publication-image{height:200px;margin-bottom:1.2rem}}@media (max-width: 480px){.publication-item{padding:1.5rem}.publication-links{gap:.5rem}.pub-link{font-size:.9rem}}.stats-section{background:#fff;padding:80px 0}.stats-container{background:transparent;border:none;padding:20px;box-shadow:none;margin-top:20px}#clustrmaps-widget{min-height:200px;max-width:600px;margin:0 auto;display:flex;align-items:center;justify-content:center;flex-direction:column;transform:scale(.85);transform-origin:center;background:transparent;border:none;box-shadow:none}#clustrmaps-widget img{max-width:100%;height:auto;border-radius:8px}.dark-mode .stats-section{background:#1a1a1a}@media (max-width: 768px){#clustrmaps-widget{transform:scale(.75);min-height:150px;max-width:450px}}@media (max-width: 480px){#clustrmaps-widget{transform:scale(.65);min-height:120px;max-width:350px}}.footer{background:#1e293b;color:#fff;text-align:center;padding:2rem 0}.footer p{opacity:.8;margin:0}.dark-mode .footer{background:#2d3748;color:#f0f0f0}.dark-mode-toggle{position:fixed;top:20px;right:20px;width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#374151,#4b5563);border:2px solid #6b7280;color:#f9fafb;cursor:pointer;font-size:16px;display:flex;align-items:center;justify-content:center;transition:all .3s cubic-bezier(.4,0,.2,1);z-index:1001;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 4px 15px #0003}.dark-mode-toggle:hover{background:linear-gradient(135deg,#4b5563,#6b7280);border-color:#9ca3af;transform:scale(1.1);box-shadow:0 6px 20px #0000004d}.dark-mode .dark-mode-toggle{background:linear-gradient(135deg,#d97706,#b45309);border:2px solid #92400e;color:#fbbf24;box-shadow:0 4px 15px #d977064d}.dark-mode .dark-mode-toggle:hover{background:linear-gradient(135deg,#b45309,#92400e);border-color:#78350f;box-shadow:0 6px 20px #d9770666;color:#fbbf24;transform:scale(1.1)}@media (max-width: 768px){.dark-mode-toggle{top:80px;right:15px;width:36px;height:36px;font-size:14px}}@media (max-width: 480px){.dark-mode-toggle{top:85px;right:15px;width:32px;height:32px;font-size:12px}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,PingFang SC,Hiragino Sans GB,Microsoft YaHei,微软雅黑,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.6;color:#333;overflow-x:hidden;scroll-behavior:smooth;transition:background-color .3s ease,color .3s ease}.container{max-width:1200px;margin:0 auto;padding:0 20px}section{padding:80px 0}.section-title{font-size:2.5rem;font-weight:600;margin-bottom:3rem;text-align:center;color:#1e293b}.highlight{background-color:#fff3a3;padding:2px 4px;border-radius:4px;color:#5d4300}[data-en][data-zh]{transition:opacity .2s cubic-bezier(.4,0,.2,1),transform .2s cubic-bezier(.4,0,.2,1)}html[lang=zh-CN]{font-family:PingFang SC,Hiragino Sans GB,Microsoft YaHei,微软雅黑,Inter,sans-serif}html[lang=zh-CN] .hero-title,html[lang=zh-CN] .section-title{font-weight:600}html[lang=zh-CN] p,html[lang=zh-CN] .news-content p{line-height:1.8}html[lang=zh-CN] .nav-link,html[lang=zh-CN] .social-link,html[lang=zh-CN] .pub-link{font-weight:500}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInRight{0%{opacity:0;transform:translate(30px)}to{opacity:1;transform:translate(0)}}.dark-mode{background-color:#1a1a1a;color:#f5f5f5}.dark-mode .section-title{color:#fff;text-shadow:0 1px 2px rgba(0,0,0,.3)}.dark-mode .highlight{background-color:#6d5f00;color:#fffbea}button:focus,a:focus{outline:none!important}button:not(.nav-link):focus,a:not(.nav-link):focus{outline:2px solid #2563eb;outline-offset:2px}.nav-link:focus,.nav-link:focus-visible,.nav-link:focus-within{outline:none!important;border:none!important;background:none!important;box-shadow:none!important}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}@media print{.navbar,.hamburger,.dark-mode-toggle{display:none}.hero{background:none;color:#000}.hero-title{color:#000;-webkit-text-fill-color:black}section{padding:40px 0}.section-title{font-size:1.8rem}}