/* ===== Trang hỗ trợ 789club – style/support.css ===== */
.page-support { background: #0D0E12; color: #FFF3E6; font-family: 'Segoe UI', Arial, sans-serif; line-height: 1.7; }
.page-support__container { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 20px; box-sizing: border-box; }
.page-support__section-title { color: #FFF3E6; font-weight: 700; letter-spacing: 0.2px; margin: 0 0 16px; line-height: 1.35; }
.page-support__section-sub { color: #e6d5c2; margin: 0 0 26px; max-width: 900px; }

.page-support__hero-section { padding-top: 10px; padding-bottom: 34px; background: radial-gradient(circle at 20% 10%, rgba(255,140,26,0.16), transparent 55%), #0D0E12; }
.page-support__hero-container { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 20px; box-sizing: border-box; display: flex; flex-direction: column; gap: 24px; }
.page-support__hero-image { width: 100%; border-radius: 16px; overflow: hidden; border: 1px solid #A84F0C; box-shadow: 0 14px 34px rgba(0,0,0,0.45); background: #17191F; }
.page-support__hero-image img { display: block; width: 100%; height: auto; border-radius: 16px; }
.page-support__hero-content { width: 100%; }
.page-support__main-title { color: #FFF3E6; font-weight: 800; line-height: 1.28; letter-spacing: 0.2px; margin: 0 0 14px; max-width: 980px; }
.page-support__hero-desc { color: #eadccb; margin: 0 0 22px; max-width: 920px; }
.page-support__hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }

.page-support__btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 13px 24px; border-radius: 10px; font-weight: 700; text-decoration: none; border: 1px solid transparent; transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease; max-width: 100%; box-sizing: border-box; text-align: center; }
.page-support__btn--primary { background: linear-gradient(180deg, #FFA53A 0%, #D96800 100%); color: #2b1400; box-shadow: 0 8px 20px rgba(217,104,0,0.35); }
.page-support__btn--primary:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(255,176,77,0.42); }
.page-support__btn--outline { background: transparent; color: #FFB04D; border-color: #A84F0C; }
.page-support__btn--outline:hover { background: rgba(255,176,77,0.12); color: #FFA53A; }

.page-support__quick-nav { padding: 34px 0; background: #0D0E12; border-top: 1px solid rgba(168,79,12,0.35); border-bottom: 1px solid rgba(168,79,12,0.35); }
.page-support__quick-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.page-support__quick-card { display: flex; align-items: center; gap: 14px; background: #17191F; border: 1px solid #A84F0C; border-radius: 14px; padding: 18px 18px; color: #FFF3E6; text-decoration: none; transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease; }
.page-support__quick-card:hover { transform: translateY(-3px); border-color: #FFA53A; box-shadow: 0 10px 24px rgba(0,0,0,0.4); }
.page-support__quick-icon { font-size: 26px; line-height: 1; flex: 0 0 auto; }
.page-support__quick-text { font-weight: 600; color: #FFF3E6; }

.page-support__intro { padding: 46px 0; background: #0D0E12; }
.page-support__intro p { color: #e8d9c8; margin: 0 0 16px; }
.page-support__intro p a { color: #FFB04D; text-decoration: underline; }
.page-support__intro-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }

.page-support__faq { padding: 46px 0; background: #111318; border-top: 1px solid rgba(168,79,12,0.3); border-bottom: 1px solid rgba(168,79,12,0.3); }
.page-support__faq-list { display: flex; flex-direction: column; gap: 12px; }
.page-support__faq-item { background: #17191F; border: 1px solid #A84F0C; border-radius: 12px; overflow: hidden; }
.page-support__faq-question { width: 100%; text-align: left; background: transparent; border: none; color: #FFF3E6; font-weight: 700; font-size: 1rem; padding: 18px 20px; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 14px; line-height: 1.5; }
.page-support__faq-question::after { content: '+'; color: #FFA53A; font-size: 22px; line-height: 1; flex: 0 0 auto; }
.page-support__faq-question[aria-expanded="true"]::after { content: '–'; }
.page-support__faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; padding: 0 20px; }
.page-support__faq-answer p { color: #e6d5c2; margin: 0 0 12px; }
.page-support__faq-answer p:last-child { margin-bottom: 0; }
.page-support__faq-answer a { color: #FFB04D; text-decoration: underline; }
.page-support__faq-item.page-support__faq-item--open .page-support__faq-answer { max-height: 900px; padding-bottom: 20px; }

.page-support__troubleshoot { padding: 46px 0; background: #0D0E12; }
.page-support__troubleshoot > .page-support__container > p { color: #e8d9c8; margin: 0 0 26px; max-width: 950px; }
.page-support__steps { display: flex; flex-direction: column; gap: 20px; }
.page-support__step { display: grid; grid-template-columns: 380px 1fr; gap: 24px; align-items: center; background: #17191F; border: 1px solid #A84F0C; border-radius: 16px; padding: 18px; }
.page-support__step-image { width: 100%; border-radius: 12px; overflow: hidden; }
.page-support__step-image img { display: block; width: 100%; height: auto; border-radius: 12px; }
.page-support__step-content h3 { color: #FFB04D; margin: 0 0 10px; font-weight: 700; }
.page-support__step-content p { color: #e6d5c2; margin: 0; }

.page-support__deposit { padding: 46px 0; background: #111318; border-top: 1px solid rgba(168,79,12,0.3); border-bottom: 1px solid rgba(168,79,12,0.3); }
.page-support__deposit > .page-support__container > p { color: #e8d9c8; margin: 0 0 22px; max-width: 950px; }
.page-support__deposit h3 { color: #FFB04D; margin: 24px 0 10px; font-weight: 700; }
.page-support__deposit p { color: #e6d5c2; margin: 0 0 12px; }
.page-support__deposit p a { color: #FFB04D; text-decoration: underline; }
.page-support__deposit-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }

.page-support__channels { padding: 46px 0; background: #0D0E12; }
.page-support__channels > .page-support__container > p { color: #e8d9c8; margin: 0 0 26px; max-width: 950px; }
.page-support__channel-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.page-support__channel-card { background: #17191F; border: 1px solid #A84F0C; border-radius: 16px; padding: 18px; display: flex; flex-direction: column; gap: 12px; }
.page-support__channel-image { width: 100%; border-radius: 12px; overflow: hidden; }
.page-support__channel-image img { display: block; width: 100%; height: auto; border-radius: 12px; }
.page-support__channel-card h3 { color: #FFF3E6; margin: 0; font-weight: 700; }
.page-support__channel-card p { color: #e6d5c2; margin: 0; }

.page-support__guides { padding: 46px 0; background: #111318; border-top: 1px solid rgba(168,79,12,0.3); border-bottom: 1px solid rgba(168,79,12,0.3); }
.page-support__guides > .page-support__container > p { color: #e8d9c8; margin: 0 0 24px; max-width: 950px; }
.page-support__guide-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.page-support__guide-item { display: block; background: #17191F; border: 1px solid #A84F0C; border-radius: 12px; padding: 16px 18px; color: #FFF3E6; text-decoration: none; font-weight: 600; transition: border-color 0.2s ease, transform 0.2s ease; }
.page-support__guide-item:hover { border-color: #FFA53A; transform: translateY(-2px); }

.page-support__responsibility { padding: 46px 0; background: #0D0E12; }
.page-support__responsibility > .page-support__container > p { color: #e8d9c8; margin: 0 0 18px; max-width: 950px; }
.page-support__checklist { list-style: none; padding: 0; margin: 0 0 20px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.page-support__checklist li { background: #17191F; border: 1px solid #A84F0C; border-radius: 10px; padding: 14px 16px 14px 44px; position: relative; color: #e6d5c2; }
.page-support__checklist li::before { content: '✓'; position: absolute; left: 16px; top: 14px; color: #FFA53A; font-weight: 800; }
.page-support__responsibility p a { color: #FFB04D; text-decoration: underline; }
.page-support__responsibility-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }

.page-support__cta { padding: 52px 0; background: linear-gradient(135deg, rgba(255,140,26,0.18), rgba(217,104,0,0.28)), #17191F; border-top: 1px solid #A84F0C; }
.page-support__cta-inner { text-align: center; }
.page-support__cta-title { color: #FFF3E6; margin: 0 0 12px; font-weight: 800; }
.page-support__cta-desc { color: #f0e2d2; margin: 0 auto 22px; max-width: 760px; }
.page-support__cta-actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }

@media (max-width: 1024px) {
  .page-support__quick-grid { grid-template-columns: repeat(2, 1fr); }
  .page-support__channel-grid { grid-template-columns: repeat(2, 1fr); }
  .page-support__step { grid-template-columns: 320px 1fr; }
  .page-support__guide-list { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .page-support { overflow-x: hidden; }
  .page-support img { max-width: 100% !important; height: auto !important; }
  .page-support__container { padding: 0 14px; }
  .page-support__hero-section { padding-top: 10px; padding-bottom: 24px; }
  .page-support__hero-container { padding: 0 14px; gap: 18px; }
  .page-support__main-title { line-height: 1.3; margin-bottom: 12px; }
  .page-support__hero-actions { flex-direction: column; align-items: stretch; }
  .page-support__btn { width: 100%; padding: 13px 18px; }
  .page-support__quick-nav,
  .page-support__intro,
  .page-support__faq,
  .page-support__troubleshoot,
  .page-support__deposit,
  .page-support__channels,
  .page-support__guides,
  .page-support__responsibility { padding: 30px 0; }
  .page-support__quick-grid { grid-template-columns: 1fr; gap: 12px; }
  .page-support__quick-card { padding: 16px; }
  .page-support__intro-actions { flex-direction: column; align-items: stretch; }
  .page-support__step { grid-template-columns: 1fr; gap: 14px; padding: 14px; }
  .page-support__faq-question { padding: 16px; font-size: 0.98rem; }
  .page-support__faq-answer { padding: 0 16px; }
  .page-support__deposit-actions { flex-direction: column; align-items: stretch; }
  .page-support__channel-grid { grid-template-columns: 1fr; gap: 14px; }
  .page-support__checklist { grid-template-columns: 1fr; }
  .page-support__responsibility-actions { flex-direction: column; align-items: stretch; }
  .page-support__cta { padding: 34px 0; }
  .page-support__cta-actions { flex-direction: column; align-items: stretch; }
}