.page-dang-nhap{color:#1F2D3D;font-family:'Segoe UI',system-ui,-apple-system,sans-serif;background:#F4F7FB;line-height:1.6}.page-dang-nhap__hero-section{max-width:1020px;margin:0 auto;padding:10px 16px 0;width:100%;box-sizing:border-box}.page-dang-nhap__hero-image-wrapper{display:block;width:100%}.page-dang-nhap__hero-image{display:block;width:100%;height:auto;aspect-ratio:17/5;object-fit:cover;border-radius:12px}.page-dang-nhap__hero-content{margin-top:20px;text-align:center;padding:0 8px}.page-dang-nhap__main-title{font-weight:800;line-height:1.3;letter-spacing:-0.02em;color:#1F2D3D;max-width:820px;margin:0 auto 10px}.page-dang-nhap__hero-description{color:#1F2D3D;max-width:780px;margin:0 auto 20px;font-size:1.05rem;line-height:1.7}.page-dang-nhap__hero-buttons{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;width:100%;box-sizing:border-box;overflow:hidden}.page-dang-nhap__btn{display:inline-block;padding:14px 32px;border-radius:999px;font-weight:700;font-size:1rem;text-decoration:none;border:none;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease;max-width:100%;box-sizing:border-box;white-space:normal;word-wrap:break-word}.page-dang-nhap__btn--primary{background:linear-gradient(180deg,#4A8BFF 0%,#2F6BFF 100%);color:#ffffff;box-shadow:0 4px 15px rgba(47,107,255,0.35)}.page-dang-nhap__btn--primary:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(47,107,255,0.45)}.page-dang-nhap__btn--secondary{background:#ffffff;color:#2F6BFF;border:2px solid #2F6BFF;box-shadow:0 2px 8px rgba(0,0,0,0.05)}.page-dang-nhap__btn--secondary:hover{background:#f0f5ff;transform:translateY(-2px)}.page-dang-nhap__feature-section{max-width:1200px;margin:56px auto 0;padding:0 16px;width:100%;box-sizing:border-box}.page-dang-nhap__section-title{font-size:clamp(1.6rem,2.5vw,2.2rem);font-weight:800;text-align:center;color:#1F2D3D;margin:0 0 8px;line-height:1.3}.page-dang-nhap__section-subtitle{font-size:clamp(1rem,1.2vw,1.1rem);color:#1F2D3D;text-align:center;max-width:720px;margin:0 auto 36px;line-height:1.6}.page-dang-nhap__feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}.page-dang-nhap__feature-card{background:#FFFFFF;border:1px solid #D6E2FF;border-radius:16px;padding:0 0 20px;overflow:hidden;box-shadow:0 6px 20px rgba(30,50,90,0.06);transition:transform .25s ease,box-shadow .25s ease}.page-dang-nhap__feature-card:hover{transform:translateY(-6px);box-shadow:0 12px 30px rgba(47,107,255,0.12)}.page-dang-nhap__feature-image{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;display:block}.page-dang-nhap__feature-card-title{font-size:1.1rem;font-weight:700;color:#1F2D3D;margin:16px 16px 8px;line-height:1.4}.page-dang-nhap__feature-card-text{font-size:0.95rem;color:#000000;margin:0 16px;line-height:1.6;opacity:0.85}.page-dang-nhap__steps-section{max-width:1200px;margin:64px auto 0;padding:0 16px;width:100%;box-sizing:border-box}.page-dang-nhap__steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:12px}.page-dang-nhap__step-card{background:#FFFFFF;border:1px solid #D6E2FF;border-radius:16px;padding:28px 24px;text-align:center;transition:transform .25s ease;box-shadow:0 4px 15px rgba(30,50,90,0.05)}.page-dang-nhap__step-card:hover{transform:translateY(-4px)}.page-dang-nhap__step-number{font-size:2.2rem;font-weight:800;color:#2F6BFF;line-height:1;margin-bottom:12px;opacity:0.8}.page-dang-nhap__step-card-title{font-size:1.05rem;font-weight:700;color:#1F2D3D;margin-bottom:10px}.page-dang-nhap__step-card-text{font-size:0.92rem;color:#000000;line-height:1.6;margin:0;opacity:0.85}.page-dang-nhap__step-link-area{display:flex;justify-content:center;margin-top:36px}.page-dang-nhap__guide-section{background:#FFFFFF;margin-top:60px}.page-dang-nhap__guide-inner{max-width:1000px;margin:0 auto;padding:48px 16px 56px;width:100%;box-sizing:border-box}.page-dang-nhap__guide-title{font-size:clamp(1.4rem,2.2vw,1.9rem);font-weight:800;text-align:center;color:#2F6BFF;margin:0 0 20px;line-height:1.3}.page-dang-nhap__guide-text{font-size:1rem;color:#1F2D3D;line-height:1.8;margin-bottom:16px;text-align:left}.page-dang-nhap__guide-figure{margin:24px auto;max-width:800px}.page-dang-nhap__guide-figure img{width:100%;max-width:800px;aspect-ratio:2/1;object-fit:cover;display:block;border-radius:12px}.page-dang-nhap__guide-caption{font-size:0.9rem;color:#000000;text-align:center;margin-top:10px;opacity:0.7;font-style:italic}.page-dang-nhap__faq-list{display:flex;flex-direction:column;gap:14px;margin-top:30px}.page-dang-nhap__faq-card{background:#F4F7FB;border:1px solid #D6E2FF;border-radius:12px;overflow:hidden}.page-dang-nhap__faq-question{list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px;font-weight:700;color:#1F2D3D;padding:18px 20px;cursor:pointer;font-size:1rem}.page-dang-nhap__faq-question::-webkit-details-marker{display:none}.page-dang-nhap__faq-toggle{flex-shrink:0;width:28px;height:28px;display:flex;align-items:center;justify-content:center;background:#d6e2ff;border-radius:50%;color:#2F6BFF;font-weight:800}.page-dang-nhap__faq-answer{padding:0 20px 18px;color:#000000;font-size:0.96rem;line-height:1.7;opacity:0.85}.page-dang-nhap__faq-answer p{margin:0 0 12px}.page-dang-nhap__faq-answer p:last-child{margin-bottom:0}@media (max-width:1024px){.page-dang-nhap__feature-grid{grid-template-columns:repeat(2,1fr);gap:18px}.page-dang-nhap__steps-grid{grid-template-columns:1fr 1fr;gap:16px}.page-dang-nhap__step-card--third{grid-column:1/3;max-width:500px;margin-left:auto;margin-right:auto;width:100%}}@media (max-width:768px){.page-dang-nhap__hero-section{padding-top:8px}.page-dang-nhap__hero-image{aspect-ratio:2/1}.page-dang-nhap__hero-image-wrapper{margin:0 -10px;width:calc(100% + 20px)}.page-dang-nhap__hero-content{margin-top:14px}.page-dang-nhap__hero-buttons{flex-direction:column;gap:10px}.page-dang-nhap__btn{max-width:100%}.page-dang-nhap__feature-section{margin-top:36px}.page-dang-nhap__feature-grid{grid-template-columns:1fr;gap:16px}.page-dang-nhap__feature-card{max-width:100%}.page-dang-nhap__feature-card-title{font-size:1.08rem}.page-dang-nhap__steps-section{margin-top:40px}.page-dang-nhap__steps-grid{grid-template-columns:1fr;gap:14px}.page-dang-nhap__step-card--third{grid-column:auto;max-width:100%}.page-dang-nhap__guide-inner{padding:32px 12px 36px}.page-dang-nhap__guide-text{font-size:0.95rem}.page-dang-nhap__faq-question{font-size:0.95rem;padding:15px 14px}.page-dang-nhap__faq-answer{padding:0 14px 14px}.page-dang-nhap img{max-width:100%!important;height:auto!important}}