@import"https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700&display=swap";:root{--tg-blue: #24A1DE;--tg-blue-hover: #2191c8;--tg-text: #222222;--tg-gray: #707579;--tg-bg: #ffffff;--tg-border: #e6e6e6;--max-width: 1000px;--transition: all .2s cubic-bezier(.4, 0, .2, 1)}*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent;outline:none}body{font-family:Roboto,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background-color:var(--tg-bg);color:var(--tg-text);-webkit-font-smoothing:antialiased;overflow-x:hidden}.container{max-width:var(--max-width);margin:0 auto;padding:0 24px}.header-container{max-width:100%;margin:0 auto;padding:0 24px}.header{border-bottom:1px solid var(--tg-border);position:sticky;top:0;background:rgba(255,255,255,.95);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:1000}.nav-content{display:flex;justify-content:space-between;align-items:center;height:64px;max-width:1400px;margin:0 auto}.tabs{display:flex;height:100%;gap:4px}.tab-item{display:flex;align-items:center;padding:0 16px;text-decoration:none;color:var(--tg-blue);font-weight:500;font-size:15px;position:relative;transition:var(--transition);cursor:pointer;border-bottom:3px solid transparent;white-space:nowrap}.tab-item:hover{background:rgba(36,161,222,.04)}.tab-item.active{color:var(--tg-blue);border-bottom-color:var(--tg-blue)}.lang-selector{display:flex;align-items:center;gap:6px;color:var(--tg-blue);font-size:14px;cursor:pointer;font-weight:500;padding:6px 12px;border-radius:8px;transition:var(--transition)}.lang-selector:hover{background:rgba(36,161,222,.08)}@keyframes slideUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.view-container{padding:60px 0;min-height:calc(100vh - 64px);animation:slideUp .5s ease-out}.btn-primary{display:inline-block;background:var(--tg-blue);color:#fff;padding:16px 48px;border-radius:32px;font-size:18px;font-weight:700;text-decoration:none;transition:var(--transition);box-shadow:0 4px 12px #24a1de33;border:none;cursor:pointer}.btn-primary:hover{background:var(--tg-blue-hover);transform:translateY(-2px);box-shadow:0 6px 18px #24a1de4d}@media (max-width: 768px){.nav-content{padding:0 12px}.tab-item{padding:0 12px;font-size:14px}.lang-selector span{display:none}}@media (max-width: 480px){.tab-item{padding:0 8px;font-size:13px}}