:root{--primary:#4e6554;--primary-light:#6b8e78;--primary-dark:#2e3a31;--secondary:#faf6f0;--secondary-dark:#f1eadf;--accent:#d5c0a1;--text-dark:#2c332e;--text-light:#6e7570;--white:#ffffff;--gray-100:#f7fafc;--gray-200:#edf2f7;--border-color:#e2e8f0;--card-shadow:0 10px 25px -5px rgba(78, 101, 84, 0.08),0 8px 10px -6px rgba(78, 101, 84, 0.05);--transition:all 0.3s cubic-bezier(0.4, 0, 0.2, 1);--radius-sm:8px;--radius-md:12px;--radius-lg:20px}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Microsoft YaHei",sans-serif;color:var(--text-dark);background-color:var(--white)}body{line-height:1.6;overflow-x:hidden}a{text-decoration:none;color:inherit}ul{list-style:none}img{max-width:100%;height:auto;display:block;-webkit-user-drag:none;user-select:none;-webkit-user-select:none}.container{max-width:1240px;margin:0 auto;padding:0 20px}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.img-fallback-overlay{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;background:#ede7dc;color:#5c6e48;text-align:center;padding:12px;pointer-events:none}.img-fallback-overlay .ifb-label{font-size:clamp(14px, 2vw, 20px);font-weight:700}.img-fallback-overlay .ifb-size{font-size:clamp(12px, 1.6vw, 15px);color:#9a8c7a}.section{padding:80px 0}.section-header{text-align:center;margin-bottom:35px}.section-title{font-size:32px;font-weight:700;color:var(--primary-dark);position:relative;display:inline-block;margin-bottom:12px;letter-spacing:1px}.section-title::after{content:"";position:absolute;bottom:-8px;left:50%;transform:translateX(-50%);width:50px;height:3px;background-color:var(--accent);border-radius:2px}.section-subtitle{font-size:16px;color:var(--text-light);max-width:600px;margin:0 auto}.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 28px;font-size:16px;font-weight:600;border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition);border:none;outline:0}.btn-primary{background-color:var(--primary);color:var(--white)}.btn-primary:hover{background-color:var(--primary-dark);transform:translateY(-2px);box-shadow:0 4px 12px rgba(78,101,84,.2)}.btn-secondary{background-color:var(--accent);color:var(--primary-dark)}.btn-secondary:hover{background-color:#c3af90;transform:translateY(-2px);box-shadow:0 4px 12px rgba(213,192,161,.3)}.btn-outline{background-color:transparent;border:2px solid var(--primary);color:var(--primary)}.btn-outline:hover{background-color:var(--primary);color:var(--white);transform:translateY(-2px)}.badge{display:inline-block;padding:4px 10px;font-size:12px;font-weight:600;border-radius:4px;margin-right:6px}.badge-primary{background-color:rgba(78,101,84,.1);color:var(--primary)}.badge-accent{background-color:rgba(213,192,161,.2);color:#b59e7c}