/* ===== Hỗ Trợ Page (page-support) ===== */
.page-support { width: 100%; color: #F3F8FF; background-color: #08162B; }

/* --- Hero Section --- */
.page-support__hero-section { padding-top: 10px; }
.page-support__hero-image-wrapper { width: 100%; }
.page-support__hero-image { width: 100%; max-width: 1200px; height: auto; aspect-ratio: 1200 / 350; object-fit: cover; display: block; margin: 0 auto; border-radius: 8px; }
.page-support__hero-content { max-width: 1200px; margin: 16px auto 0; padding: 16px 24px 24px; display: flex; flex-direction: column; align-items: center; gap: 12px; text-align: center; }
.page-support__hero-title { font-size: clamp(1.4rem, 2.5vw, 2.2rem); font-weight: 700; line-height: 1.3; letter-spacing: 0.02em; color: #F3F8FF; max-width: 850px; margin: 0; }
.page-support__hero-description { color: #AFC4E8; max-width: 900px; margin: 0; line-height: 1.6; }
.page-support__hero-actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: 8px; }
.page-support__btn { display: inline-block; padding: 12px 24px; border-radius: 6px; font-weight: 600; text-decoration: none; transition: opacity 0.2s; max-width: 100%; box-sizing: border-box; white-space: normal; word-wrap: break-word; border: 1px solid #244D84; }
.page-support__btn:hover { opacity: 0.85; }
.page-support__btn--primary { background: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%); color: #ffffff; }
.page-support__btn--secondary { background: transparent; color: #AFC4E8; }

/* --- Logo Grid Section --- */
.page-support__logo-grid-section { max-width: 1200px; margin: 32px auto 0; padding: 0 16px; }
.page-support__section-title { text-align: center; color: #F3F8FF; font-size: clamp(1.2rem, 2vw, 1.6rem); margin-bottom: 24px; }
.page-support__logo-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px 16px; justify-items: center; }
.page-support__logo-item { background-color: #10233F; border: 1px solid #244D84; border-radius: 12px; padding: 16px; display: flex; flex-direction: column; align-items: center; gap: 12px; max-width: 280px; width: 100%; box-shadow: 0 0 14px rgba(79, 168, 255, 0.12); }
.page-support__logo-image { width: 100%; max-width: 240px; aspect-ratio: 2 / 1; object-fit: contain; }
.page-support__logo-title { color: #F3F8FF; font-weight: 600; margin: 0; text-align: center; font-size: 1rem; }
.page-support__logo-desc { color: #AFC4E8; font-size: 0.85rem; text-align: center; margin: 0; }
.page-support__logo-cta { padding: 8px 18px; border-radius: 999px; background: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%); color: #ffffff; font-weight: 600; text-decoration: none; font-size: 0.85rem; border: 1px solid #244D84; display: inline-block; max-width: 100%; box-sizing: border-box; white-space: normal; word-wrap: break-word; }
.page-support__logo-item:nth-child(5) { grid-column: 2; }
.page-support__logo-item:nth-child(6) { grid-column: 3; }

/* --- Guide Section --- */
.page-support__guide-section { background-color: #10233F; border-top: 1px solid #1B3357; margin-top: 40px; padding: 40px 16px; }
.page-support__guide-inner { max-width: 1000px; margin: 0 auto; }
.page-support__guide-title { text-align: center; color: #F3F8FF; font-size: clamp(1.2rem, 2vw, 1.6rem); margin-bottom: 12px; }
.page-support__guide-intro { text-align: center; color: #AFC4E8; margin-bottom: 32px; }
.page-support__guide-list { display: flex; flex-direction: column; gap: 32px; }
.page-support__guide-step { display: flex; flex-direction: column; gap: 12px; }
.page-support__guide-figure { margin: 0; background-color: #08162B; border-radius: 12px; padding: 12px; border: 1px solid #244D84; }
.page-support__guide-figure img { width: 100%; max-width: 800px; aspect-ratio: 2 / 1; object-fit: cover; border-radius: 8px; display: block; margin: 0 auto; }
.page-support__guide-figure figcaption { text-align: center; color: #AFC4E8; margin-top: 8px; font-size: 0.85rem; }
.page-support__guide-content { padding: 0 4px; }
.page-support__guide-step-title { color: #F2C14E; font-size: 1.1rem; margin: 0 0 8px; }
.page-support__guide-content p { color: #AFC4E8; line-height: 1.6; margin: 0; }
.page-support__guide-link { display: inline-block; margin-top: 12px; padding: 8px 20px; border-radius: 6px; background: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%); color: #fff; text-decoration: none; font-weight: 600; border: 1px solid #244D84; max-width: 100%; box-sizing: border-box; white-space: normal; word-wrap: break-word; }

/* --- FAQ Section --- */
.page-support__faq-section { max-width: 900px; margin: 40px auto; padding: 0 16px; }
.page-support__faq-inner { background-color: #10233F; border: 1px solid #244D84; border-radius: 12px; padding: 24px; }
.page-support__faq-title { text-align: center; color: #F3F8FF; font-size: clamp(1.2rem, 2vw, 1.6rem); margin-bottom: 24px; }
.page-support__faq-list { display: flex; flex-direction: column; gap: 12px; }
.page-support__faq-item { border: 1px solid #244D84; border-radius: 8px; background: #08162B; overflow: hidden; }
.page-support__faq-question { list-style: none; padding: 16px; font-weight: 600; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 12px; color: #F3F8FF; }
.page-support__faq-question::-webkit-details-marker { display: none; }
.page-support__faq-toggle { color: #F2C14E; font-size: 1.3rem; min-width: 24px; text-align: center; }
.page-support__faq-answer { padding: 0 16px 16px; color: #AFC4E8; }

/* --- CTA Section --- */
.page-support__cta-section { background: linear-gradient(180deg, #10233F 0%, #08162B 100%); border-top: 1px solid #244D84; padding: 40px 16px; }
.page-support__cta-inner { max-width: 800px; margin: 0 auto; text-align: center; display: flex; flex-direction: column; align-items: center; gap: 16px; }
.page-support__cta-title { color: #F3F8FF; font-size: clamp(1.2rem, 2vw, 1.6rem); margin: 0; }
.page-support__cta-desc { color: #AFC4E8; line-height: 1.6; margin: 0; }
.page-support__cta-actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }

/* --- Responsive: Tablet & Mobile --- */
@media (max-width: 1024px) {
    .page-support__hero-image-wrapper,
    .page-support__hero-content { max-width: 100%; padding-left: 16px; padding-right: 16px; }
    .page-support__hero-image { max-width: 100%; }
}

@media (max-width: 768px) {
    .page-support__hero-section { padding-top: 10px; }
    .page-support__hero-image { aspect-ratio: 16 / 9; max-width: 100%; }
    .page-support__hero-content { padding: 12px 16px 16px; }
    .page-support__hero-title { font-size: clamp(1.2rem, 5vw, 1.6rem); }
    .page-support__hero-actions { width: 100%; max-width: 100%; overflow: hidden; box-sizing: border-box; }
    .page-support__btn { width: 100%; max-width: 100%; box-sizing: border-box; white-space: normal; word-wrap: break-word; }

    .page-support__logo-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .page-support__logo-item:nth-child(5),
    .page-support__logo-item:nth-child(6) { grid-column: auto; }
    .page-support__logo-image { max-width: 100%; }
    .page-support__logo-cta { width: 100%; max-width: 100%; box-sizing: border-box; white-space: normal; word-wrap: break-word; }

    .page-support__guide-section { padding: 24px 12px; }
    .page-support__guide-title { font-size: clamp(1rem, 4vw, 1.3rem); }
    .page-support__guide-figure figcaption { font-size: 0.8rem; }
    .page-support__guide-step-title { font-size: 1rem; }
    .page-support__guide-link { width: 100%; max-width: 100%; box-sizing: border-box; white-space: normal; word-wrap: break-word; text-align: center; }

    .page-support__faq-section { margin: 24px auto; padding: 0 12px; }
    .page-support__faq-inner { padding: 16px; }
    .page-support__faq-title { font-size: clamp(1rem, 4vw, 1.3rem); }

    .page-support__cta-section { padding: 24px 12px; }
    .page-support__cta-title { font-size: clamp(1rem, 4vw, 1.3rem); }
    .page-support__cta-actions { width: 100%; max-width: 100%; overflow: hidden; box-sizing: border-box; }
    .page-support__btn--secondary { width: 100%; max-width: 100%; box-sizing: border-box; white-space: normal; word-wrap: break-word; }

    /* Mobile image overflow protection */
    .page-support img { max-width: 100% !important; height: auto !important; }
    .page-support { max-width: 100%; overflow-x: hidden; box-sizing: border-box; }
}