.hero-content,
.heroContent { margin-top: 15px; text-align: center; width: 100%; max-width: 1024px; padding: 0 20px; }
.hero h1,
.heroSection h1 { font-size: 3rem; font-weight: 800; margin-bottom: 15px;line-height: 55px; }
.hero p,
.heroSection p { font-size: 1.25rem; opacity: 0.9; margin-bottom: 40px; }

.home-select { width: 320px; padding: 15px; border-radius: 12px; border: none; font-size: 16px; margin-bottom: 20px; outline: none; box-shadow: 0 10px 20px rgba(0,0,0,0.1); }
.btn-start {
    display: block;
    width: max-content;
    margin: 10px auto;
    background: linear-gradient(135deg, #22d3ee 0%, #0ea5e9 50%, #2563eb 100%); color: #fff; padding: 15px 50px; border-radius: 30px; font-weight: 700; border: none; cursor: pointer; font-size: 18px; transition: var(--transition); }
.btn-start:hover { transform: translateY(-3px); box-shadow: 0 10px 20px rgba(0,123,255,0.3); }

.ad-slot { width: 100%;max-width: min(700px, 95vw); height: 250px; background: rgba(255,255,255,0.1); border: 1px dashed rgba(255,255,255,0.4);margin: 0 auto; margin-top: 40px; display: flex; align-items: center; justify-content: center; backdrop-filter: blur(5px); font-size: 12px; color: rgba(255,255,255,0.5); }

.selec_carrier_box{
    display: flex;
    justify-content: center;
}
.carrier-selector-ui {
    display: inline-flex;
    align-items: center;
    padding: 6px 12px;
    border-radius: 6px;
    border: 1px dashed rgba(255, 255, 255, 0.12);
    text-align: left;
    position: relative;
    z-index: 9;
    cursor: pointer;
}
.carrier-selector-ui .label {
    margin-right: 6px;
    font-weight: 400;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.7);
}
.ai_auto {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.08);
    color: rgba(255, 255, 255, 0.85);
    font-size: 12px !important;
    font-weight: 500;
    gap: 4px;
    margin-bottom: 0 !important;
}
.carrier-selector-ui .caret {
    font-size: 10px;
    color: rgba(255, 255, 255, 0.5);
}
.active_carrier {
    background: rgba(255, 255, 255, 0.12);
    border-radius: 4px;
}
.carrier-dropdown {
    display: none;
    position: absolute;
    min-width: 180px;
    max-height: 280px;
    overflow: auto;
    border-radius: 6px;
    z-index: 1000;
    left: 0;
    top: 100%;
    margin-top: 4px;
    background: rgba(30, 35, 45, 0.95);
    padding: 6px 0;
    border: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 13px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}
.carrier-dropdown .carrier-item {
    display: block;
    padding: 8px 14px;
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    transition: background 0.15s ease;
}
.carrier-dropdown .carrier-item:hover {
    background: rgba(255, 255, 255, 0.08);
    text-decoration: none;
    color: rgba(255, 255, 255, 0.95);
}

.caret {
    display: inline-block;
    width: 0;
    height: 0;
    margin-left: 2px;
    vertical-align: middle;
    border-top: 3px solid rgba(255, 255, 255, 0.5);
    border-right: 3px solid transparent;
    border-left: 3px solid transparent;
}
  #carrierDropdown::-webkit-scrollbar{
    width: 0;
    display: none;
  }

  @media (max-width:768px) {
    .ad-slot{
        margin-top: 0;
    }
    .start_btn{
        position: fixed;
        bottom: 0;
        left: 0;
        display: flex;
        justify-content: center;
        width: 100%;
        background: #fff;
        z-index: 999;
    }
    .start_btn .btn-start{
        background-color: #1a73e8;
        border-radius: 8px;
        margin-top: 5px;
        margin-bottom: 5px;
        padding: 13px 15px;
        width: 96%;
        display: block;
        text-align: center;
        color: #fff;
        font-size: 18px;
        display: flex;
        justify-content: center;
        align-items: center;
        animation: breathe 1.5s infinite;
    }
    @keyframes breathe {
        0% {
            box-shadow: 0 0 0 0 #2563EB;
        }
        50% {
            box-shadow: 0 0 0 3vw rgba(188, 204, 238, 0);
        }
        100% {
            box-shadow: 0 0 0 3vw rgba(62, 111, 218, 0);
        }
    }
}