.page-support{font-family:'Be Vietnam Pro','Segoe UI',Roboto,sans-serif;background-color:#F5F7FA;color:#333333;overflow-x:hidden}
.page-support__hero-section{display:flex;flex-direction:column;align-items:center;padding:10px 20px 40px;background-color:#F5F7FA}
.page-support__hero-image{width:100%;max-width:1200px;margin:0 auto 24px}
.page-support__hero-img{display:block;width:100%;height:auto;border-radius:16px;box-shadow:0 8px 30px rgba(0,0,0,.12)}
.page-support__hero-content{width:100%;max-width:800px;margin:0 auto;text-align:center}
.page-support__hero-title{color:#E53935;font-weight:800;font-size:clamp(1.6rem,4vw,2.2rem);line-height:1.4;margin:0 0 12px}
.page-support__hero-subtitle{color:#495057;font-size:1.05rem;line-height:1.7;margin-bottom:24px;text-align:center}
.page-support__hero-actions{display:flex;flex-wrap:wrap;gap:16px;justify-content:center}
.page-support__btn{display:inline-block;padding:14px 36px;border-radius:50px;font-weight:700;font-size:1rem;transition:transform .2s ease,box-shadow .2s ease;text-align:center;min-width:200px}
.page-support__btn:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(229,57,53,.25)}
.page-support__btn--primary{background:linear-gradient(180deg,#FF5A4F 0%,#E53935 100%);color:#fff;border:none}
.page-support__btn--secondary{background:transparent;color:#E53935;border:2px solid #E53935}
.page-support__quick-help,.page-support__faq-section,.page-support__support-channels,.page-support__phone-verification,.page-support__rules-section{max-width:1200px;margin:0 auto;padding:20px;background-color:#F5F7FA}
.page-support__section-title{color:#222;font-size:clamp(1.5rem,3vw,2rem);font-weight:800;text-align:center;margin-bottom:24px;line-height:1.3}
.page-support__tabs{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-bottom:24px}
.page-support__tab{padding:8px 18px;border-radius:20px;border:1px solid #E0E0E0;background-color:#fff;color:#333;font-size:0.9rem;font-weight:500;transition:background-color .2s ease,color .2s ease,transform .2s ease}
.page-support__tab:hover{background-color:#f0f0f0}
.page-support__tab--active{background-color:#E53935;color:#ff8a80;font-weight:700;border-color:#E53935}
.page-support__topic-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;margin:24px 0}
.page-support__topic-card{background-color:#FFFFFF;border:1px solid #E0E0E0;border-radius:12px;padding:20px;transition:box-shadow .2s ease,transform .2s ease}
.page-support__topic-card:hover{box-shadow:0 8px 16px rgba(0,0,0,.06);transform:translateY(-2px)}
.page-support__topic-title{color:#E53935;font-weight:700;margin-bottom:8px;font-size:1.05rem}
.page-support__topic-desc{color:#495057;font-size:0.9rem;line-height:1.6;margin:0}
.page-support__faq-item{background-color:#FFFFFF;border:1px solid #E0E0E0;border-radius:8px;margin-bottom:12px;overflow:hidden}
.page-support__faq-question{background-color:#FFFFFF;padding:16px 20px;font-size:1.05rem;font-weight:600;color:#222;margin:0;cursor:pointer;display:flex;justify-content:space-between;align-items:center}
.page-support__faq-question::after{content:'+';font-size:1.5rem;color:#E53935;transition:transform .2s ease}
.page-support__faq-item--active .page-support__faq-question::after{transform:rotate(45deg)}
.page-support__faq-answer{display:none;padding:0 20px 20px;color:#495057;line-height:1.8}
.page-support__faq-item--active .page-support__faq-answer{display:block}
.page-support__channels-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:24px}
.page-support__channel-card{background-color:#FFFFFF;border:1px solid #E0E0E0;border-radius:12px;padding:24px;text-align:center}
.page-support__channel-icon{font-size:2.5rem;margin-bottom:12px}
.page-support__channel-title{color:#222;font-weight:700;margin-bottom:10px;font-size:1.15rem}
.page-support__channel-desc{color:#495057;font-size:0.95rem;line-height:1.6;margin-bottom:16px}
.page-support__channel-link{color:#E53935;font-weight:600;text-decoration:none;transition:color .2s ease}
.page-support__channel-link:hover{color:#FF5A4F;text-decoration:underline}
.page-support__channel-info{display:inline-block;background-color:#f0f0f0;color:#666;padding:4px 12px;border-radius:20px;font-size:0.85rem}
.page-support__phone-verification{background:#FFF;border-radius:16px;padding:20px}
.page-support__phone-verification-content{max-width:800px;margin:0 auto}
.page-support__phone-title{color:#222;font-size:1.3rem;font-weight:700;margin-bottom:12px}
.page-support__phone-desc,.page-support__phone-detail{color:#495057;line-height:1.7;margin-bottom:12px}
.page-support__rules-section p{color:#555;line-height:1.7;text-align:center;margin-bottom:20px}
.page-support__rules-links{display:flex;flex-direction:row;flex-wrap:wrap;gap:16px;justify-content:center;align-items:center}
.page-support__rule-link{color:#E53935;text-decoration:none;font-weight:600;padding:10px 18px;border:1px solid #E53935;border-radius:30px;transition:all .3s ease;background-color:#fff}
.page-support__rule-link:hover{background-color:#E53935;color:#fff}
@media (max-width:768px){.page-support{overflow-x:hidden}.page-support__hero-section{padding:10px 12px 30px}.page-support__hero-image{margin-bottom:16px}.page-support__hero-img{max-width:100%;height:auto}.page-support__hero-content{max-width:100%}.page-support__hero-title{font-size:clamp(1.3rem,6vw,1.8rem);line-height:1.4}.page-support__hero-subtitle{font-size:1rem;line-height:1.6;padding:0 4px}.page-support__hero-actions{flex-direction:column;gap:12px}.page-support__btn{min-width:0;width:100%;max-width:100%;padding:12px 16px}.page-support__quick-help,.page-support__faq-section,.page-support__support-channels,.page-support__phone-verification,.page-support__rules-section{padding:20px 12px;max-width:100%}.page-support__section-title{font-size:clamp(1.2rem,5vw,1.6rem);margin-bottom:16px}.page-support__tabs{flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch;justify-content:flex-start;padding-bottom:8px}.page-support__tab{flex-shrink:0;padding:8px 14px;font-size:0.85rem}.page-support__topic-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}.page-support__topic-card{padding:16px}
.page-support__channels-grid{grid-template-columns:1fr;gap:16px}
.page-support__channel-card{padding:20px}.page-support__rules-links{flex-direction:column;align-items:stretch}.page-support__rule-link{text-align:center;padding:12px 16px}.page-support__faq-question{font-size:1rem;padding:14px 16px}
.page-support__faq-answer{padding:0 16px 16px;font-size:0.95rem}
.page-support img{max-width:100% !important;height:auto !important}
}
@media (min-width:768px) and (max-width:1024px){.page-support__topic-grid{grid-template-columns:repeat(2,1fr)}
.page-support__channels-grid{grid-template-columns:repeat(2,1fr)}
.page-support__hero-title{font-size:clamp(1.4rem,4vw,1.9rem)}
.page-support__hero-subtitle{font-size:1rem}
}