*, *::before, *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
      }

      body {
        font-family: var(--font-sans, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif);
        background-color: var(--bg-primary, #070913);
        color: var(--text-primary, #f8fafc);
        min-height: 100vh;
        display: flex;
        flex-direction: column;
        overflow-x: hidden;
        -webkit-tap-highlight-color: transparent;
      }

      /* Ambient Background Glow */
      .bg-ambient-glow {
        position: fixed;
        inset: 0;
        pointer-events: none;
        z-index: 0;
        overflow: hidden;
      }

      .glow-orb-shopee-1 {
        position: absolute;
        top: 0%;
        left: 30%;
        width: 450px;
        height: 450px;
        border-radius: 50%;
        background: radial-gradient(circle, rgba(168, 85, 247, 0.49) 0%, transparent 70%);
        filter: blur(60px);
      }

      .glow-orb-shopee-2 {
        position: absolute;
        bottom: 10%;
        right: 15%;
        width: 400px;
        height: 400px;
        border-radius: 50%;
        background: radial-gradient(circle, rgba(139, 92, 246, 0.12) 0%, transparent 70%);
        filter: blur(60px);
      }

      /* Top Header Bar */
      .webview-header {
        position: sticky;
        top: 0;
        z-index: 100;
        background: rgba(7, 9, 19, 0.92);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        height: 64px;
        display: flex;
        align-items: center;
        padding: 0 1rem;
      }

      .webview-header-inner {
        width: 100%;
        max-width: 1400px;
        margin: 0 auto;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 0.5rem;
      }

      /* Navigation Actions */
      .webview-btn-wrapper {
        position: relative;
        display: inline-flex;
        align-items: center;
      }

      .btn-nav-action {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 0.5rem;
        min-width: 44px;
        min-height: 44px;
        padding: 0.5rem 0.95rem;
        border-radius: 12px;
        background: rgba(255, 255, 255, 0.06);
        border: 1px solid rgba(255, 255, 255, 0.12);
        color: #ffffff;
        text-decoration: none;
        font-size: 0.875rem;
        font-weight: 500;
        cursor: pointer;
        transition: all 0.2s ease;
        user-select: none;
        -webkit-user-select: none;
      }

      .btn-nav-action:hover {
        background: rgba(255, 255, 255, 0.12);
        border-color: rgba(255, 255, 255, 0.25);
      }

      .btn-nav-action:active {
        transform: scale(0.96);
      }

      .btn-nav-action.primary {
        background: linear-gradient(135deg, #8b5cf6 0%, #642be7 100%);
        border: 1px solid rgba(255, 255, 255, 0.2);
        font-weight: 600;
        box-shadow: 0 2px 14px rgba(168, 85, 247, 0.4);
      }

      .btn-nav-action.primary:hover {
        box-shadow: 0 4px 20px rgba(168, 85, 247, 0.4);
      }

      /* Header Center Title */
      .webview-title-container {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        text-align: center;
        min-width: 0;
        flex: 1;
        padding: 0 0.5rem;
      }

      .webview-desktop-title-row {
        display: none;
        align-items: center;
        gap: 0.5rem;
      }

      .webview-shopee-badge {
        width: 24px;
        height: 24px;
        border-radius: 6px;
        background: #8b5cf6;
        color: #ffffff;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 0.8125rem;
        font-weight: 800;
      }

      .webview-desktop-title {
        font-family: var(--font-display, "Space Grotesk", sans-serif);
        font-size: 1rem;
        font-weight: 700;
        color: #ffffff;
        white-space: nowrap;
      }

      .webview-mobile-title-box {
        display: flex;
        flex-direction: column;
        align-items: center;
        line-height: 1.15;
      }

      .mobile-title-main {
        font-family: var(--font-display, "Space Grotesk", sans-serif);
        font-size: 0.9375rem;
        font-weight: 700;
        color: #ffffff;
        letter-spacing: -0.01em;
        white-space: nowrap;
      }

      .mobile-title-sub {
        font-size: 0.6875rem;
        color: #6f37ee;
        font-weight: 600;
        letter-spacing: 0.04em;
        text-transform: uppercase;
      }

      /* Text vs Icon visibility on mobile vs desktop */
      .btn-nav-text {
        display: none;
      }

      @media (min-width: 600px) {
        .webview-header {
          height: 70px;
          padding: 0 1.5rem;
        }

        .btn-nav-text {
          display: inline;
        }

        .webview-desktop-title-row {
          display: flex;
        }

        .webview-mobile-title-box {
          display: none;
        }
      }

      /* Custom Floating Tooltip Overlay */
      .floating-tooltip {
        position: absolute;
        top: calc(100% + 8px);
        left: 50%;
        transform: translateX(-50%) translateY(-4px);
        background: rgba(13, 18, 36, 0.95);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border: 1px solid rgba(168, 85, 247, 0.4);
        color: #ffffff;
        padding: 0.4rem 0.75rem;
        border-radius: 8px;
        font-size: 0.75rem;
        font-weight: 600;
        white-space: nowrap;
        pointer-events: none;
        opacity: 0;
        transition: opacity 0.2s ease, transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6), 0 0 12px rgba(168, 85, 247, 0.5);
        z-index: 200;
      }

      .floating-tooltip::before {
        content: '';
        position: absolute;
        bottom: 100%;
        left: 50%;
        transform: translateX(-50%);
        border: 5px solid transparent;
        border-bottom-color: rgba(168, 85, 247, 0.4);
      }

      .floating-tooltip.visible {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
      }

      .webview-btn-wrapper.tooltip-align-left .floating-tooltip {
        left: 0;
        transform: translateX(0) translateY(-4px);
      }
      .webview-btn-wrapper.tooltip-align-left .floating-tooltip.visible {
        transform: translateX(0) translateY(0);
      }
      .webview-btn-wrapper.tooltip-align-left .floating-tooltip::before {
        left: 20px;
      }

      .webview-btn-wrapper.tooltip-align-right .floating-tooltip {
        left: auto;
        right: 0;
        transform: translateX(0) translateY(-4px);
      }
      .webview-btn-wrapper.tooltip-align-right .floating-tooltip.visible {
        transform: translateX(0) translateY(0);
      }
      .webview-btn-wrapper.tooltip-align-right .floating-tooltip::before {
        left: auto;
        right: 20px;
      }

      /* Webview Container */
      .webview-main {
        flex: 1;
        display: flex;
        flex-direction: column;
        position: relative;
        z-index: 1;
        padding: 1.25rem 1rem 2.5rem 1rem;
        max-width: 1100px;
        margin: 0 auto;
        width: 100%;
      }

      @media (min-width: 768px) {
        .webview-main {
          padding: 2rem 1.5rem 3rem 1.5rem;
        }
      }

      /* Notice & Fallback Hero Card */
      .webview-fallback-card {
        background: rgba(13, 18, 36, 0.85);
        backdrop-filter: blur(24px);
        -webkit-backdrop-filter: blur(24px);
        border: 1px solid rgba(168, 85, 247, 0.35);
        border-radius: 22px;
        padding: 2rem 1.5rem;
        text-align: center;
        box-shadow: 0 15px 50px -10px rgba(0, 0, 0, 0.7), 0 0 35px rgba(168, 85, 247, 0.12);
        margin-bottom: 2rem;
        position: relative;
        overflow: hidden;
      }

      .webview-fallback-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 15%;
        right: 15%;
        height: 1px;
        background: linear-gradient(90deg, transparent, rgba(168, 85, 247, 0.8), transparent);
      }

      .webview-icon-large {
        width: 68px;
        height: 68px;
        border-radius: 20px;
        background: linear-gradient(135deg, #8b5cf6 0%, #6225ed 100%);
        color: #ffffff;
        font-size: 2.25rem;
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 0 auto 1.25rem auto;
        box-shadow: 0 0 30px rgba(238, 77, 45, 0.45);
      }

      .webview-badge-pill {
        display: inline-flex;
        align-items: center;
        gap: 0.4rem;
        padding: 0.3rem 0.8rem;
        border-radius: 9999px;
        background: rgba(238, 77, 45, 0.15);
        border: 1px solid rgba(238, 77, 45, 0.35);
        color: #5b27d2;
        font-size: 0.75rem;
        font-weight: 700;
        letter-spacing: 0.03em;
        margin-bottom: 1rem;
      }

      .webview-hero-heading {
        font-family: var(--font-display, "Space Grotesk", sans-serif);
        font-size: clamp(1.4rem, 1.2rem + 1vw, 2rem);
        font-weight: 800;
        color: #ffffff;
        margin-bottom: 0.5rem;
        line-height: 1.25;
      }

      .webview-url-box {
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        padding: 0.4rem 1rem;
        border-radius: 10px;
        background: rgba(7, 9, 19, 0.8);
        border: 1px solid rgba(255, 255, 255, 0.12);
        color: #94a3b8;
        font-family: var(--font-mono, monospace);
        font-size: 0.8125rem;
        margin-bottom: 1.5rem;
        max-width: 100%;
        overflow-x: auto;
      }

      .webview-security-notice {
        background: rgba(15, 23, 42, 0.7);
        border-radius: 14px;
        border: 1px solid rgba(255, 255, 255, 0.08);
        padding: 1.15rem 1.25rem;
        max-width: 680px;
        margin: 0 auto 1.75rem auto;
        text-align: left;
        display: flex;
        align-items: flex-start;
        gap: 0.75rem;
      }

      .security-notice-icon {
        font-size: 1.25rem;
        line-height: 1;
        margin-top: 2px;
        flex-shrink: 0;
      }

      .security-notice-body {
        font-size: 0.875rem;
        color: #cbd5e1;
        line-height: 1.55;
      }

      .security-notice-body strong {
        color: #ffffff;
      }

      .btn-hero-shopee {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 0.65rem;
        padding: 1rem 2.25rem;
        border-radius: 16px;
        background: linear-gradient(135deg, #8b5cf6 0%, #ff5733 100%);
        color: #ffffff;
        font-size: 1.0625rem;
        font-weight: 700;
        text-decoration: none;
        box-shadow: 0 6px 25px rgba(238, 77, 45, 0.45);
        transition: transform 0.2s ease, box-shadow 0.2s ease;
      }

      .btn-hero-shopee:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 35px rgba(238, 77, 45, 0.65);
      }

      /* Embedded Frame Container & Fallback Preview */
      .iframe-section-wrapper {
        border-radius: 20px;
        border: 1px solid rgba(255, 255, 255, 0.1);
        background: rgba(13, 18, 36, 0.5);
        overflow: hidden;
        position: relative;
        min-height: 400px;
        display: flex;
        flex-direction: column;
      }

      .iframe-topbar {
        background: rgba(7, 9, 19, 0.9);
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        padding: 0.75rem 1.25rem;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 1rem;
      }

      .iframe-address-pill {
        display: flex;
        align-items: center;
        gap: 0.5rem;
        background: rgba(255, 255, 255, 0.05);
        border-radius: 8px;
        padding: 0.35rem 0.75rem;
        font-size: 0.75rem;
        color: #94a3b8;
        font-family: var(--font-mono, monospace);
        flex: 1;
        max-width: 420px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
      }

      .shopee-iframe {
        width: 100%;
        height: 500px;
        border: none;
        background: #ffffff;
      }