:root{--sysu-green: #005826;--sysu-green-light: #008037;--sysu-green-dark: #003a18;--sysu-red: #981e32;--sysu-red-light: #b9253c;--accent-gold: #c5a059;--bg-primary: #ffffff;--bg-secondary: #f9fbf9;--bg-tertiary: #f0f4f0;--text-primary: #1e293b;--text-secondary: #475569;--text-muted: #64748b;--font-sans: "Inter", "Noto Sans TC", system-ui, -apple-system, sans-serif;--max-width: 1200px;--header-height: 70px;--transition: all .25s cubic-bezier(.4, 0, .2, 1);--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--border-radius: 8px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;font-family:var(--font-sans);background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6;font-size:16px;-webkit-font-smoothing:antialiased}body{min-height:100vh;display:flex;flex-direction:column;overflow-x:hidden}a{color:inherit;text-decoration:none;transition:var(--transition)}img{max-width:100%;height:auto;display:block}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.25;color:var(--sysu-green-dark)}.page-wrapper{flex:1;margin-top:var(--header-height);min-height:calc(100vh - var(--header-height) - 300px)}.container{max-width:var(--max-width);margin:0 auto;padding:0 2rem;width:100%}.section{padding:5rem 0}.text-center{text-align:center}.navbar{position:fixed;top:0;left:0;width:100%;height:var(--header-height);background-color:#fffffff2;backdrop-filter:blur(10px);border-bottom:1px solid rgba(0,88,38,.08);z-index:1000;box-shadow:var(--shadow-sm)}.nav-container{max-width:var(--max-width);margin:0 auto;height:100%;display:flex;align-items:center;justify-content:space-between;padding:0 2rem}.nav-logo,.logo-badge-link{display:flex;align-items:center}.logo-text-link{display:flex;align-items:center;margin-left:12px}.logo-title{font-size:1.15rem;font-weight:700;color:var(--sysu-green-dark);letter-spacing:.5px;font-family:var(--font-sans);transition:var(--transition)}.logo-text-link:hover .logo-title{color:var(--sysu-green-light)}.logo-image{height:48px;width:auto;object-fit:contain}.logo-accent{color:var(--sysu-green-dark)}.logo-region{color:var(--accent-gold);font-size:.9rem;font-weight:900;margin-left:2px}.nav-menu{display:flex;align-items:center;gap:1.5rem}.nav-item{font-size:.95rem;font-weight:500;color:var(--text-secondary);position:relative;padding:.5rem 0}.nav-item:after{content:"";position:absolute;bottom:0;left:0;width:0;height:2px;background-color:var(--sysu-green);transition:var(--transition)}.nav-item:hover,.nav-item.active{color:var(--sysu-green)}.nav-item.active:after,.nav-item:hover:after{width:100%}.nav-divider{width:1px;height:20px;background-color:#00582626}.lang-switch-btn{font-size:.85rem;font-weight:600;color:var(--sysu-green);border:1px solid rgba(0,88,38,.3);padding:.4rem .8rem;border-radius:20px}.lang-switch-btn:hover{background-color:var(--sysu-green);color:#fff;border-color:var(--sysu-green)}.nav-cta-btn{font-size:.9rem;font-weight:600;background-color:var(--sysu-green);color:#fff!important;padding:.5rem 1.2rem;border-radius:4px;box-shadow:var(--shadow-sm)}.nav-cta-btn:hover{background-color:var(--sysu-green-light);box-shadow:var(--shadow-md);transform:translateY(-1px)}.nav-toggle{display:none}.nav-toggle-label{display:none;cursor:pointer;padding:10px}.nav-toggle-label span,.nav-toggle-label span:before,.nav-toggle-label span:after{display:block;background:var(--sysu-green);height:2px;width:24px;position:relative;transition:var(--transition)}.nav-toggle-label span:before,.nav-toggle-label span:after{content:"";position:absolute}.nav-toggle-label span:before{bottom:8px}.nav-toggle-label span:after{top:8px}.footer{background-color:#0f172a;color:#cbd5e1;padding:4rem 0 2rem;border-top:4px solid var(--sysu-green)}.footer-container{max-width:var(--max-width);margin:0 auto;padding:0 2rem;display:grid;grid-template-columns:2fr 1fr 1fr;gap:3rem}.footer-logo{font-size:1.4rem;font-weight:800;color:#fff;margin-bottom:1rem;display:inline-block}.footer-desc{font-size:.95rem;line-height:1.6;max-width:400px;color:#94a3b8}.footer-links-group h3,.footer-contact h3{color:#fff;font-size:1.1rem;margin-bottom:1.2rem;font-weight:600}.footer-links{list-style:none}.footer-links li{margin-bottom:.8rem}.footer-links a{font-size:.95rem;color:#94a3b8}.footer-links a:hover{color:var(--accent-gold);padding-left:4px}.contact-list{list-style:none}.contact-list li{margin-bottom:.8rem;font-size:.95rem;color:#94a3b8}.contact-list a{color:#94a3b8}.contact-list a:hover{color:var(--accent-gold)}.footer-bottom{max-width:var(--max-width);margin:3rem auto 0;padding:1.5rem 2rem 0;border-top:1px solid #334155;display:flex;justify-content:space-between;align-items:center;font-size:.85rem;color:#64748b}@media (max-width: 900px){.nav-toggle-label{display:block}.nav-menu{position:absolute;top:var(--header-height);left:0;width:100%;background-color:#fff;height:0;opacity:0;overflow:hidden;flex-direction:column;gap:0;transition:var(--transition);box-shadow:var(--shadow-lg)}.nav-item{width:100%;text-align:center;padding:1rem 0;border-bottom:1px solid rgba(0,88,38,.05)}.nav-item:after{display:none}.nav-divider{display:none}.lang-switch-btn{margin:1rem 0;padding:.6rem 2rem}.nav-cta-btn{width:80%;text-align:center;margin-bottom:2rem}.nav-toggle:checked~.nav-menu{height:auto;opacity:1;overflow:visible}.nav-toggle:checked~.nav-toggle-label span{background:transparent}.nav-toggle:checked~.nav-toggle-label span:before{transform:rotate(45deg);bottom:0}.nav-toggle:checked~.nav-toggle-label span:after{transform:rotate(-45deg);top:0}.footer-container{grid-template-columns:1fr;gap:2rem}}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.8rem 1.8rem;font-size:.95rem;font-weight:600;border-radius:4px;border:none;cursor:pointer;transition:var(--transition)}.btn-primary{background-color:var(--sysu-green);color:#fff}.btn-primary:hover{background-color:var(--sysu-green-light);transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn-outline{background-color:transparent;color:var(--sysu-green);border:2px solid var(--sysu-green)}.btn-outline:hover{background-color:var(--sysu-green);color:#fff}.card{background-color:#fff;border-radius:var(--border-radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:var(--transition);border:1px solid rgba(0,88,38,.05)}.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#00582626}.section-title{font-size:2.2rem;margin-bottom:3rem;position:relative;display:inline-block}.section-title:after{content:"";position:absolute;bottom:-8px;left:0;width:60px;height:3px;background-color:var(--accent-gold)}.rich-content h1,.rich-content h2,.rich-content h3{margin:2rem 0 1rem}.rich-content p{margin-bottom:1.2rem;color:var(--text-secondary)}.rich-content ul,.rich-content ol{margin-bottom:1.5rem;padding-left:1.5rem;color:var(--text-secondary)}.rich-content li{margin-bottom:.5rem}@media (max-width: 600px){.logo-title{font-size:.95rem;letter-spacing:0px}.logo-text-link{margin-left:8px}}@media (max-width: 380px){.logo-title{display:none}}