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18px;margin-bottom:24px;font-size:.92rem}html,body{width:100%;max-width:100%;overflow-x:hidden;position:relative}main{width:100%;max-width:100%;min-width:0}img,video,canvas{max-width:100%;height:auto}.video-wrap{position:relative;width:100%;max-width:100%;aspect-ratio:16 / 9;border-radius:var(--radius-sm);overflow:hidden;border:1px solid var(--border-cyan);background:#03060c;box-shadow:0 16px 36px #00000080,0 0 24px #22d3ee1a;margin:20px 0}.video-wrap iframe{position:absolute;top:0;left:0;width:100%;height:100%;border:0;display:block}.video-card-box{background:linear-gradient(135deg,#101828cc,#0b111ef2);border:1px solid var(--border-cyan);border-radius:var(--radius);padding:24px;margin:32px 0;box-shadow:0 12px 30px #0006}.video-card-title{display:flex;align-items:center;gap:10px;font-size:1.22rem;font-weight:700;color:#f8fafc;margin:0 0 8px}.video-card-desc{color:var(--text-muted);font-size:.94rem;line-height:1.6;margin:0 0 16px}@media(max-width:640px){.video-card-box{padding:18px 14px;margin:24px 0}.video-card-title{font-size:1.08rem}}.table-wrap{width:100%;max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;margin:1.5em 0;border-radius:var(--radius-sm);border:1px solid var(--border);background:#03060c80}.table-wrap table,.prose .table-wrap table{display:table!important;margin:0!important;border:none!important;min-width:100%;width:max-content;border-collapse:collapse}.prose table{display:block;width:100%;max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;border-collapse:collapse;margin:1.5em 0}.prose table th,.prose table td{padding:10px 14px;border:1px solid var(--border);font-size:.88rem;word-break:break-word}.prose table th{background:#ffffff0a;color:#f8fafc;font-weight:700;white-space:normal;min-width:100px}.prose pre{max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;padding:16px 20px;border-radius:var(--radius-sm);background:#03060c;border:1px solid var(--border)}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}@media(max-width:640px){body{font-size:15px;padding-bottom:calc(88px + env(safe-area-inset-bottom,0px))}.container{padding:0 16px}.section{padding:36px 0}.section-head{flex-direction:column;align-items:flex-start;gap:12px}.grid-tools,.grid-articles{grid-template-columns:1fr;gap:16px}.btn-lg{min-height:46px;font-size:.95rem;padding:12px 18px}.btn-row{flex-direction:column;align-items:stretch;width:100%}.btn-row .btn{width:100%}.hero{padding:44px 0 36px}.hero-title{font-size:clamp(1.75rem,7vw,2.3rem)}.hero p.lead{font-size:1rem;margin-bottom:24px}.zalo-band{padding:32px 16px;margin:40px 0}.zalo-band h2{font-size:1.45rem}.policy-card,.legal-card{padding:22px 18px}.prose pre{padding:14px 12px;font-size:.84rem}}