#banner { position: relative; height: 100vh; min-height: 700px; display: block; overflow: hidden; background-color: #000; }
#banner .main-slider { width: 100%; height: 100%; position: absolute; inset: 0; z-index: 0; }

#banner .item { height: 100vh; min-height: 700px; position: relative; padding: 0; outline: none; }
#banner .iframebox {position: relative;height: 100%;z-index: 2;padding: 0 5%;}
#banner .banner-txt { position: relative; z-index: 2; max-width: 650px; top: 50%; transform: translateY(-50%); }
#banner .h2 {font-size: 4.5rem;font-weight: 600;color: #ffffff;line-height: 1.1;letter-spacing: -0.02em;margin-bottom: 24px;text-shadow: 0 4px 15px rgba(0,0,0,0.4);}
#banner p { font-size: 1.15rem; color: rgba(255,255,255,0.9); line-height: 1.7; margin-bottom: 40px; text-shadow: 0 2px 10px rgba(0,0,0,0.5); }
#banner .banner-link { position: absolute; inset: 0; z-index: 5; }
#banner .hero-actions { display: flex; gap: 16px; flex-wrap: wrap; position: relative; z-index: 10; }
#banner video { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; opacity: 0.8; }
#banner .item::before {content: '';position: absolute;inset: 0;background: linear-gradient(90deg, rgb(0 0 0 / 30%) 0%, rgba(0, 0, 0, 0.2) 50%, transparent 100%);z-index: 1;pointer-events: none;}
#banner .bg-demo-img { background: url('https://images.unsplash.com/photo-1497366216548-37526070297c?auto=format&fit=crop&q=80&w=1920') center/cover no-repeat; }
#banner .slider-controls { position: absolute; right: 5%; top: 50%; transform: translateY(-50%); z-index: 10; display: flex; flex-direction: column; gap: 12px; }
#banner .slider-arrow { width: 44px; height: 44px; border: 1px solid rgba(255,255,255,0.4); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: #fff; cursor: pointer; backdrop-filter: blur(4px); transition: all 0.3s ease; }
#banner .slider-arrow:hover { background: #fff; color: #2C85B8; border-color: #fff; transform: scale(1.05); }
#banner .bn_icon {position: absolute;bottom: 40px;right: 10%;z-index: 10;display: flex;flex-direction: column;align-items: center;}
#banner .bn_icon a { display: flex; flex-direction: column; align-items: center; color: #fff; text-decoration: none; opacity: 0.8; transition: opacity 0.3s ease; }
#banner .bn_icon a:hover { opacity: 1; }
#banner .bn_icon b {font-size: 0.75rem;letter-spacing: 0.1em;writing-mode: vertical-rl;margin-bottom: 16px;font-weight: 400;font-family: 'Inter',sans-serif;color: white;}
#banner .scroll-down-line { width: 1px; height: 60px; background: rgba(255,255,255,0.2); position: relative; overflow: hidden; }
#banner .scroll-down-line::after { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 50%; background: #fff; animation: scrollLine 2s infinite cubic-bezier(0.77,0,0.175,1); }

.hero-lines { position: absolute; inset: 0; z-index: 1; pointer-events: none; }
.hero-lines .vline { position: absolute; top: 0; bottom: 0; width: 1px; background: rgba(255,255,255,0.15); }
.hero-lines .vline-1 { left: 8%; }
.hero-lines .vline-2 { right: 8%; }
.hero-lines .vline-3 { left: 50%; background: rgba(255,255,255,0.06); }
.hero-lines .hline { position: absolute; left: 0; right: 0; height: 1px; background: rgba(255,255,255,0.06); }
.hero-lines .hline-1 {top: 14%;}

@media (max-width:992px) {
  #banner .slider-controls { right: 8%; flex-direction: row; top: auto; bottom: 40px; transform: none; }
  #banner .bn_icon { display: none; }
}
@media screen and (max-width:768px) {
  #banner .banner-txt { text-align: center; margin-inline: auto; }
  #banner .hero-actions { justify-content: center; }
  #banner .iframebox{padding: 0 2%;}
  #banner .h2{word-spacing: 100vw;max-width: 100%;font-size: 3rem;}
  #banner p{font-size: 1rem;}
}