body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    margin: 0;
    background-color: #f0f0f5; /* Light grey background for the overall page */
    color: #333;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 15px; /* Adjusted padding */
    background-color: #ffffff;
    border-bottom: 0.5px solid #e0e0e0; /* Finer line */
    box-shadow: 0 1px 2px rgba(0,0,0,0.04); /* Softer shadow */
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-left {
    display: flex;
    align-items: center;
}

.back-icon {
    font-size: 26px; /* Larger icon for back */
    color: #007aff; /* iOS blue */
    margin-right: 8px; /* Space between back and logo */
    font-weight: 300; /* Lighter weight for icon */
}

.store-logo {
    width: 32px; /* Slightly larger logo */
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    margin-right: 10px;
}

.store-name {
    font-size: 21px; /* Closer to screenshot font size */
    font-weight: 600; /* Semi-bold */
    color: #000;
}

.header-right .header-icon {
    font-size: 20px; /* Slightly smaller icons */
    margin-left: 12px;
    color: #007aff;
    cursor: pointer;
}

/* Main Content */
.main-content {
    padding: 0 15px; /* Padding for the main sections, not the whole content */
}

/* Section Blocks (general styling for distinct sections) */
.section-block {
    background-color: #ffffff;
    border-radius: 12px; /* Rounded corners for blocks */
    margin-top: 20px; /* Space between blocks */
    padding: 15px; /* Inner padding for blocks */
    box-shadow: 0 1px 3px rgba(0,0,0,0.08); /* Subtle shadow for distinct blocks */
}

.section-title-large {
    font-size: 22px; /* Large title for Esign Bypass Revoke */
    font-weight: 700; /* Bold */
    color: #000;
    margin-bottom: 15px;
    text-align: center; /* Centered as in the screenshot */
}

.section-title-normal {
    font-size: 18px; /* Smaller title for Featured */
    font-weight: 600;
    color: #000;
    margin-bottom: 15px;
    padding-left: 5px; /* Align with app list content */
}

/* Button Grid for DNS, Certificate, Telegram */
.button-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr)); /* Responsive grid */
    gap: 10px; /* Space between grid items */
    margin-top: 15px; /* Space from title */
}

.grid-button {
    display: flex;
    flex-direction: column; /* Icon and text stacked */
    align-items: center;
    justify-content: center;
    background-color: #f7f7f7; /* Lighter background for these buttons */
    border: 1px solid #e0e0e0; /* Light border */
    border-radius: 10px;
    padding: 15px 10px;
    text-decoration: none;
    color: #000; /* Black text */
    font-size: 14px;
    font-weight: 500;
    transition: background-color 0.2s ease, transform 0.1s ease;
}

.grid-button:hover {
    background-color: #e8e8e8;
    transform: translateY(-1px); /* Slight lift on hover */
}

/* Styling for circular button icons (DNS, Cert, Telegram) */
.button-icon {
    width: 40px; /* Size of the icon container */
    height: 40px;
    border-radius: 50%; /* Makes the container circular */
    margin-bottom: 8px; /* Space between icon and text */
    overflow: hidden; /* Ensures image respects the circle shape */
    display: flex; /* To center the image within the container */
    justify-content: center;
    align-items: center;
}

.button-icon img {
    width: 100%; /* Image fills the container */
    height: 100%;
    object-fit: cover; /* Ensures image covers the area, cropping if necessary */
    border-radius: 50%; /* Ensures the image itself is circular within the container */
    display: block; /* Remove extra space below image */
}


/* Banner Section */
.banner-section {
    margin-top: 20px; /* Space from previous section */
    position: relative;
    border-radius: 12px;
    overflow: hidden; /* Ensures image respects border-radius */
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    background-color: #e0b0ff; /* Fallback background color if image fails to load */
}

.banner-image {
    width: 100%;
    height: auto;
    display: block; /* Removes extra space below image */
    border-radius: 12px; /* Matches parent border-radius */
}

.banner-text-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.7), rgba(0,0,0,0)); /* Gradient overlay */
    padding: 20px;
    color: #ffffff;
    text-align: center;
    border-bottom-left-radius: 12px;
    border-bottom-right-radius: 12px;
}

.banner-text-overlay p {
    margin: 5px 0;
    font-size: 14px;
}

.banner-text-overlay h2 {
    font-size: 28px;
    margin: 5px 0 15px 0; /* Space below h2 */
}

.telegram-channel-button {
    display: inline-block;
    background-color: #007aff; /* iOS blue button for telegram */
    color: #ffffff;
    padding: 10px 25px;
    border-radius: 20px;
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    transition: background-color 0.2s ease;
}

.telegram-channel-button:hover {
    background-color: #0056b3;
}

/* App List (Featured Section) */
.app-list {
    margin-top: 15px; /* Space from Featured title */
}

.app-item {
    display: flex;
    align-items: center;
    padding: 12px 0; /* Vertical padding only, horiz padding from parent */
    border-bottom: 0.5px solid #f0f0f0; /* Finer separator */
}

.app-item:last-child {
    border-bottom: none;
}

/* --- MODIFIED: Styling for app icons (Esign, Ksign, TrollStore) --- */
.app-icon {
    width: 58px; /* Size of the icon container */
    height: 58px;
    border-radius: 12px; /* Rounded corners for the container */
    overflow: hidden; /* Ensures image respects the rounded corners */
    display: flex; /* To center the image within the container */
    justify-content: center;
    align-items: center;
    margin-right: 15px;
    flex-shrink: 0;
    /* Removed background-color, font-size, font-weight, color as images will fill it */
}

.app-icon img {
    width: 100%; /* Image fills the container */
    height: 100%;
    object-fit: cover; /* Ensures image covers the area, cropping if necessary */
    border-radius: 12px; /* Ensures the image itself is rounded within the container */
    display: block; /* Remove extra space below image */
}
/* --- END MODIFIED --- */

.app-details {
    flex-grow: 1;
}

.app-name {
    font-size: 16px; /* Slightly smaller */
    font-weight: 500;
    color: #000;
    display: flex;
    align-items: center;
}

.verified-icon {
    color: #34c759; /* Green checkmark */
    margin-left: 5px;
    font-size: 15px;
}

.app-developer {
    font-size: 13px; /* Smaller font */
    color: #8e8e93;
    margin-top: 2px;
}

.install-button {
    background-color: #e5e5ea; /* Light grey background */
    color: #007aff; /* iOS blue */
    padding: 7px 18px; /* Adjusted padding */
    border-radius: 18px; /* More rounded pill shape */
    text-decoration: none;
    font-size: 14px;
    font-weight: 600; /* Bolder text */
    white-space: nowrap;
    transition: background-color 0.2s ease;
}

.install-button:hover {
    background-color: #d1d1d6;
}

/* Footer */
.footer {
    text-align: center;
    padding: 20px;
    margin-top: 30px;
    font-size: 13px;
    color: #8e8e93;
}

/* Responsive adjustments */
@media (max-width: 480px) {
    .header {
        padding: 8px 10px;
    }
    .store-name {
        font-size: 19px;
    }
    .store-logo {
        width: 28px;
        height: 28px;
    }
    .header-right .header-icon {
        font-size: 18px;
        margin-left: 10px;
    }
    .main-content {
        padding: 0 10px;
    }
    .section-block {
        padding: 12px;
    }
    .section-title-large {
        font-size: 20px;
    }
    .grid-button {
        padding: 12px 8px;
        font-size: 13px;
    }
    .button-icon {
        width: 35px;
        height: 35px;
    }
    .banner-text-overlay h2 {
        font-size: 24px;
    }
    .telegram-channel-button {
        padding: 8px 20px;
        font-size: 14px;
    }
    .app-icon {
        width: 50px;
        height: 50px;
    }
    .app-name {
        font-size: 15px;
    }
    .app-developer {
        font-size: 12px;
    }
    .install-button {
        padding: 6px 15px;
        font-size: 13px;
    }
}