:root{--nature-black:#000;--nature-white:#fff;--nature-border:#e0e0e0;--nature-line:var(--nature-black);--nature-text:#fff;--nature-text-light:#ccc;--nature-serif:Arial, "Microsoft YaHei", sans-serif;--nature-sans:Arial, "Microsoft YaHei", sans-serif;--hero-accent-color:#004b80;--hero-accent-stroke:#004b80}[data-theme=light]{--nature-text:#111;--nature-text-light:#666}[data-theme=dark]{--nature-text:#fff;--nature-text-light:#ccc;--nature-border:#fff3;--nature-line:var(--nature-white);--hero-accent-color:#ff6b6b;--hero-accent-stroke:#ff6b6b}.top-bar{background:var(--nature-black)!important;color:#fff!important;z-index:1000!important;align-items:center!important;height:52px!important;padding:0 32px!important;display:flex!important;position:sticky!important;top:0!important}.top-bar-logo{font-family:var(--nature-serif)!important;letter-spacing:.5px!important;color:#fff!important;font-size:20px!important;font-weight:400!important;text-decoration:none!important}.top-bar-nav a{font-family:var(--nature-sans)!important;color:#ccc!important;font-size:14px!important;text-decoration:none!important;transition:color .2s!important}.top-bar-nav a:hover{color:#fff!important}.hero{max-width:1200px!important;margin:0 auto!important;padding:80px 32px 64px!important}.hero-title{font-family:var(--nature-serif)!important;color:var(--nature-text)!important;letter-spacing:-.5px!important;font-size:48px!important;font-weight:400!important;line-height:1.2!important}.hero-eyebrow,.hero-subtitle{font-family:var(--nature-serif)!important;color:var(--nature-text-light)!important;text-transform:uppercase!important;letter-spacing:1px!important;font-size:16px!important}.hero-desc{font-family:var(--nature-serif)!important;color:var(--nature-text)!important;font-size:17px!important;line-height:1.8!important}.hero-accent{color:var(--hero-accent-color);-webkit-text-stroke:1px var(--hero-accent-stroke);paint-order:stroke fill;font-weight:bolder}.carousel-dots{justify-content:center;gap:8px;margin-top:.5rem;display:flex}.carousel-dot{cursor:pointer;background:#fff6;border-radius:50%;width:10px;height:10px;transition:background .3s}[data-theme=light] .carousel-dot{background:#5c9cff66}.btn-primary{background:var(--nature-black)!important;color:#fff!important;font-family:var(--nature-sans)!important;border:none!important;padding:12px 24px!important;font-size:14px!important;transition:background .2s!important}.btn-primary:hover{background:#333!important}.btn-outline{color:var(--nature-text)!important;border:1px solid var(--nature-border)!important;font-family:var(--nature-sans)!important;background:0 0!important;padding:12px 24px!important;font-size:14px!important}.btn-outline:hover{border-color:var(--nature-text)!important}.section-title{font-family:var(--nature-serif)!important;color:var(--nature-text)!important;letter-spacing:-.3px!important;font-size:36px!important;font-weight:400!important}.section-desc{font-family:var(--nature-serif)!important;color:var(--nature-text-light)!important;font-size:17px!important;line-height:1.8!important}.card{border-top:3px solid var(--nature-line)!important;box-shadow:none!important;background:0 0!important;padding-top:24px!important;transition:none!important;transform:none!important}.card:hover{box-shadow:none!important;transform:none!important}.card-title{font-family:var(--nature-serif)!important;color:var(--nature-text)!important;font-size:21px!important;font-weight:400!important;line-height:1.4!important}.card-body{font-family:var(--nature-sans)!important;color:var(--nature-text-light)!important;font-size:15px!important;line-height:1.7!important}.card-label{font-family:var(--nature-sans)!important;color:var(--nature-text-light)!important;font-size:13px!important}.highlight-title{font-family:var(--nature-serif)!important;color:var(--nature-text)!important;font-size:21px!important;font-weight:400!important;line-height:1.4!important}.highlight-meta{font-family:var(--nature-sans)!important;color:var(--nature-text-light)!important;font-size:13px!important}.highlight-excerpt{font-family:var(--nature-sans)!important;color:var(--nature-text-light)!important;font-size:15px!important;line-height:1.7!important}.highlight-link{font-family:var(--nature-sans)!important;color:var(--nature-text)!important;border-bottom:1px solid var(--nature-border)!important;font-size:14px!important;text-decoration:none!important;transition:border-color .2s!important}.highlight-link:hover{border-bottom-color:var(--nature-text)!important}@media (width<=768px){.hero-title{font-size:32px!important}.section-title{font-size:28px!important}}