.bk-intro{position:fixed;inset:0;z-index:2147483000;width:100%;height:100vh;height:100dvh;isolation:isolate;overflow:hidden;background:#06080b;color:#fff;direction:rtl;font-family:inherit}.bk-intro-poster,.bk-intro-video{position:absolute;inset:0;background:#06080b}.bk-intro-poster,.bk-intro-poster img,.bk-intro-video{display:block;width:100%;height:100%;object-fit:contain}.bk-intro-video{z-index:1}.bk-intro-bottom,.bk-intro-top{position:absolute;z-index:2;left:max(28px,env(safe-area-inset-left));right:max(28px,env(safe-area-inset-right))}.bk-intro-top{top:max(24px,env(safe-area-inset-top));display:flex;align-items:center;justify-content:space-between;gap:16px;direction:ltr}.bk-intro-wordmark{font:700 18px Arial,sans-serif;letter-spacing:.4px;text-shadow:0 2px 14px #000}.bk-intro-wordmark span{display:block;font:400 11px/1.8 var(--font-vazirmatn,inherit);opacity:.55;direction:rtl;letter-spacing:0;margin-top:3px}.bk-intro button{appearance:none;display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:46px;border:1px solid #ffffff30;border-radius:99px;background:#11171fbb;backdrop-filter:blur(18px);color:#fff;padding:10px 20px;font:inherit;font-size:13px;cursor:pointer;direction:rtl}.bk-intro button:hover{background:#28343fe6;border-color:#ffffff70}.bk-intro button:focus-visible{outline:3px solid #34e4b8;outline-offset:4px}.bk-intro-bottom{bottom:max(24px,env(safe-area-inset-bottom));direction:ltr}.bk-intro-tools{display:flex;align-items:center;gap:10px;margin-bottom:16px}.bk-intro-duration{margin-left:auto;font-size:12px;color:#ffffffa0;direction:rtl;text-shadow:0 2px 10px #000}.bk-intro-progress{display:block;width:100%;height:3px;border:0;border-radius:3px;overflow:hidden;background:#ffffff25;color:#34e4b8;accent-color:#34e4b8}.bk-intro-progress::-webkit-progress-bar{background:#ffffff25}.bk-intro-progress::-webkit-progress-value{background:#34e4b8}.bk-intro-progress::-moz-progress-bar{background:#34e4b8}.bk-intro-start{position:absolute;inset:0;z-index:2;display:grid;place-items:center;pointer-events:none}.bk-intro-start button{pointer-events:auto;background:#34e4b8;color:#06221d;border:0;padding:18px 30px;font-size:17px;font-weight:700}@media(max-width:640px){.bk-intro-bottom,.bk-intro-top{left:max(18px,env(safe-area-inset-left));right:max(18px,env(safe-area-inset-right))}.bk-intro-top{top:max(18px,env(safe-area-inset-top))}.bk-intro-bottom{bottom:max(20px,env(safe-area-inset-bottom))}.bk-intro-wordmark{font-size:15px}.bk-intro-wordmark span{font-size:10px}.bk-intro button{font-size:12px;padding:9px 15px;min-height:44px}.bk-intro-tools{gap:8px}}