* { margin:0; padding:0; box-sizing:border-box; }
body { font-family:'Roboto',sans-serif; background:#f5f5f5; color:#222; padding-bottom:60px; max-width:480px; margin:0 auto; }
img { max-width:100%; display:block; }

/* HEADER */
.shopee-header { position:sticky; top:0; z-index:100; display:flex; align-items:center; padding:8px 12px; background:linear-gradient(135deg,#ee4d2d,#ff6633); color:#fff; gap:10px; }
.header-left i, .header-right i { font-size:18px; cursor:pointer; padding:6px; }
.header-search { flex:1; background:rgba(255,255,255,0.25); border-radius:4px; padding:6px 10px; font-size:13px; display:flex; align-items:center; gap:6px; }
.header-search i { font-size:12px; opacity:.8; }
.header-right { display:flex; gap:4px; }

/* HERO SLIDER */
.hero-slider { position:relative; background:#000; }
.slider-container { position:relative; overflow:hidden; }
.slides { display:flex; transition:transform .4s ease; }
.slide { min-width:100%; aspect-ratio:3/4; display:flex; align-items:center; justify-content:center; position:relative; background:#000; }
.slide img, .slide video { width:100%; height:100%; object-fit:contain; background:#fff; }
.slide-label { position:absolute; bottom:10px; left:10px; background:rgba(0,0,0,.65); color:#fff; font-size:12px; font-weight:600; padding:5px 12px; border-radius:20px; z-index:3; }
.play-btn { position:absolute; top:50%; left:50%; transform:translate(-50%,-50%); width:64px; height:64px; border-radius:50%; background:rgba(0,0,0,.55); border:3px solid #fff; color:#fff; font-size:22px; cursor:pointer; display:flex; align-items:center; justify-content:center; z-index:5; transition:all .2s; }
.play-btn:hover { background:rgba(238,77,45,.8); }
.play-btn.playing { display:none; }
.slide-dots { position:absolute; bottom:12px; left:50%; transform:translateX(-50%); display:flex; gap:6px; z-index:5; }
.dot { width:8px; height:8px; border-radius:50%; background:rgba(255,255,255,.5); cursor:pointer; transition:all .2s; }
.dot.active { background:#fff; width:20px; border-radius:4px; }
.slide-counter { position:absolute; bottom:12px; right:12px; background:rgba(0,0,0,.55); color:#fff; padding:2px 8px; border-radius:10px; font-size:12px; z-index:5; }

/* VOUCHER BAR */
.voucher-bar { display:flex; gap:6px; padding:10px 12px; background:#fff; overflow-x:auto; }
.voucher-item { display:flex; align-items:center; gap:4px; padding:4px 10px; border-radius:4px; font-size:11px; white-space:nowrap; border:1px solid #eee; }
.voucher-item.super { background:linear-gradient(135deg,#fff0e5,#ffe8d6); border-color:#ee4d2d; }
.voucher-item.super .v-label { background:#ee4d2d; color:#fff; padding:2px 6px; border-radius:2px; font-weight:700; font-size:10px; }
.voucher-item.xtra { background:linear-gradient(135deg,#e0f7f3,#b2ebe0); border-color:#00bfa5; }
.voucher-item.xtra .v-label { background:#00bfa5; color:#fff; padding:2px 6px; border-radius:2px; font-weight:700; font-size:10px; }
.voucher-item.bonus { background:linear-gradient(135deg,#fff8e1,#ffecb3); border-color:#ff9800; }
.voucher-item.bonus .v-label { background:#ff9800; color:#fff; padding:2px 6px; border-radius:2px; font-weight:700; font-size:10px; }
.v-text { font-size:10px; line-height:1.2; color:#555; }

/* PRICING */
.pricing-section { background:#fff; padding:12px; margin-top:2px; }
.price-row { display:flex; align-items:center; gap:6px; }
.price-icon { font-size:20px; }
.price-sale { font-size:22px; font-weight:700; color:#ee4d2d; }
.price-range { font-size:22px; font-weight:700; color:#ee4d2d; }
.price-original { margin-top:4px; display:flex; align-items:center; gap:8px; }
.price-old { font-size:14px; color:#999; text-decoration:line-through; }
.discount-badge { background:#ffeee8; color:#ee4d2d; font-size:12px; font-weight:500; padding:2px 6px; border-radius:2px; }

/* PRODUCT TITLE */
.product-title { background:#fff; padding:12px; margin-top:2px; }
.product-title h1 { font-size:15px; font-weight:500; line-height:1.5; margin-bottom:8px; }
.product-meta { display:flex; align-items:center; gap:6px; font-size:13px; color:#757575; }
.rating { color:#ee4d2d; font-weight:500; }
.rating i { color:#ffce3d; font-size:12px; }
.sep { color:#ddd; }
.sold { color:#757575; }
.free-ship { margin-top:6px; font-size:12px; color:#00bfa5; display:flex; align-items:center; gap:4px; }
.digital-badge { margin-top:8px; font-size:12px; color:#1565c0; background:#e3f2fd; padding:6px 10px; border-radius:6px; display:flex; align-items:center; gap:6px; font-weight:500; border:1px solid #bbdefb; }

/* OPTIONS */
.options-section { background:#fff; margin-top:8px; padding:14px 12px; cursor:pointer; }
.option-row { display:flex; justify-content:space-between; align-items:center; }
.opt-label { font-size:14px; color:#757575; }
.opt-value { font-size:14px; color:#222; }
.opt-value i { font-size:12px; color:#999; margin-left:4px; }

/* SHIPPING */
.shipping-section { background:#fff; margin-top:2px; padding:14px 12px; }
.ship-row { display:flex; align-items:flex-start; gap:12px; }
.ship-label { font-size:13px; color:#757575; white-space:nowrap; }
.ship-label i { margin-right:4px; }
.ship-old { font-size:13px; color:#999; text-decoration:line-through; margin-right:6px; }
.ship-new { font-size:14px; color:#ee4d2d; font-weight:700; }
.ship-note { font-size:12px; color:#00bfa5; margin-top:4px; }

/* TRUST */
.trust-section { background:#fff; margin-top:2px; padding:12px; display:flex; justify-content:space-around; }
.trust-item { display:flex; flex-direction:column; align-items:center; gap:4px; font-size:11px; color:#757575; text-align:center; }
.trust-item i { font-size:18px; color:#ee4d2d; }

/* PAYMENT */
.payment-section { background:#fff; margin-top:8px; padding:14px 12px; }
.payment-section h3 { font-size:14px; margin-bottom:6px; }
.payment-section h3 i { color:#ee4d2d; margin-right:6px; }
.payment-section p { font-size:13px; color:#555; margin-bottom:8px; }
.method-tag { display:inline-flex; align-items:center; gap:6px; background:#222; color:#fff; padding:6px 14px; border-radius:4px; font-size:13px; font-weight:500; }
.payment-note { font-size:12px; color:#757575; margin-top:10px; }

/* REVIEWS */
.reviews-section { background:#fff; margin-top:8px; padding:14px 12px; }
.reviews-header { display:flex; justify-content:space-between; align-items:center; margin-bottom:10px; }
.reviews-header h3 { font-size:14px; }
.see-more { font-size:13px; color:#ee4d2d; text-decoration:none; }
.review-summary { display:flex; align-items:center; gap:10px; margin-bottom:14px; padding-bottom:12px; border-bottom:1px solid #f0f0f0; }
.review-score { font-size:32px; font-weight:700; color:#ee4d2d; }
.review-score span { font-size:16px; color:#999; }
.review-stars i { color:#ffce3d; font-size:14px; }
.review-card { padding:14px 0; border-bottom:1px solid #f0f0f0; }
.review-user { display:flex; align-items:center; gap:8px; margin-bottom:6px; }
.avatar { width:32px; height:32px; border-radius:50%; background:#e0e0e0; display:flex; align-items:center; justify-content:center; font-size:14px; font-weight:700; color:#757575; }
.name { font-size:13px; color:#555; }
.review-stars-sm i { color:#ffce3d; font-size:12px; }
.review-card p { font-size:13px; line-height:1.6; color:#333; margin-top:6px; }
.review-date { font-size:12px; color:#999; margin-top:6px; }
.review-actions { float:right; color:#999; font-size:14px; display:flex; gap:10px; margin-top:-20px; }

/* SHOP */
.shop-section { background:#fff; margin-top:8px; padding:14px 12px; }
.shop-stats { display:flex; justify-content:space-around; }
.stat { display:flex; flex-direction:column; align-items:center; gap:2px; }
.stat-val { font-size:16px; font-weight:700; color:#ee4d2d; }
.stat-label { font-size:11px; color:#757575; }

/* DESCRIPTION */
.description-section { background:#fff; margin-top:8px; padding:14px 12px; }
.desc-block { margin-bottom:16px; padding:14px; border-radius:8px; }
.desc-block h4 { font-size:15px; margin-bottom:8px; }
.desc-block ul { padding-left:18px; }
.desc-block li { font-size:13px; line-height:1.8; color:#444; }
.warning-block { background:#fff3f0; border-left:4px solid #ee4d2d; }
.warning-block h4 { color:#ee4d2d; }
.highlight-block { background:#f0faf7; border-left:4px solid #00bfa5; }
.highlight-block h4 { color:#00bfa5; }
.content-block { background:#f5f5ff; border-left:4px solid #5c6bc0; }
.content-block h4 { color:#5c6bc0; }
.guarantee-block { background:#fffde7; border-left:4px solid #ff9800; }
.guarantee-block h4 { color:#ff9800; }
.digital-block { background:#e3f2fd; border-left:4px solid #1565c0; }
.digital-block h4 { color:#1565c0; }
.review-slider-section { background:#fff; padding:16px 12px; margin-bottom:8px; }
.review-slider-title { font-size:15px; font-weight:700; color:#333; margin-bottom:12px; }
.review-slider { display:flex; gap:10px; overflow-x:auto; scroll-snap-type:x mandatory; -webkit-overflow-scrolling:touch; padding-bottom:8px; }
.review-slider::-webkit-scrollbar { height:4px; }
.review-slider::-webkit-scrollbar-thumb { background:#ddd; border-radius:4px; }
.review-slide { min-width:45%; scroll-snap-align:start; flex-shrink:0; max-height:300px; overflow:hidden; border-radius:8px; }
.review-slide img { width:100%; height:300px; object-fit:cover; object-position:top; border-radius:8px; border:1px solid #eee; box-shadow:0 2px 8px rgba(0,0,0,.08); }

/* PRODUCT CATALOG */
.product-catalog { display:flex; flex-direction:column; gap:12px; margin-bottom:16px; }
.catalog-card { background:#fff; border:1.5px solid #eee; border-radius:12px; padding:16px; position:relative; transition:all .2s; }
.catalog-card:hover { border-color:#ddd; box-shadow:0 2px 12px rgba(0,0,0,.06); }
.catalog-card.featured-card { border:2px solid #ee4d2d; background:linear-gradient(135deg,#fff9f7,#fff); box-shadow:0 4px 16px rgba(238,77,45,.12); }
.catalog-badge { position:absolute; top:-1px; right:16px; background:linear-gradient(135deg,#ee4d2d,#ff6633); color:#fff; font-size:11px; font-weight:700; padding:4px 12px; border-radius:0 0 8px 8px; letter-spacing:.3px; }
.catalog-header { display:flex; align-items:center; gap:12px; margin-bottom:10px; }
.catalog-icon { font-size:32px; width:48px; height:48px; display:flex; align-items:center; justify-content:center; background:#f8f8f8; border-radius:12px; flex-shrink:0; }
.featured-card .catalog-icon { background:linear-gradient(135deg,#fff0e5,#ffe0cc); }
.catalog-info { flex:1; }
.catalog-info h4 { font-size:14px; font-weight:700; color:#222; margin-bottom:4px; line-height:1.4; }
.catalog-pricing { display:flex; align-items:center; gap:8px; }
.catalog-sale { font-size:18px; font-weight:700; color:#ee4d2d; }
.catalog-old { font-size:13px; color:#999; text-decoration:line-through; }
.catalog-save { background:#ffeee8; color:#ee4d2d; font-size:12px; font-weight:600; padding:5px 10px; border-radius:6px; text-align:center; margin-bottom:10px; }
.catalog-features { list-style:none; padding:0; margin:0 0 12px; }
.catalog-features li { font-size:13px; color:#444; padding:4px 0; display:flex; align-items:flex-start; gap:8px; line-height:1.5; }
.catalog-features li i.fa-check { color:#00bfa5; font-size:11px; margin-top:4px; flex-shrink:0; }
.catalog-features li.bonus-item { color:#ee4d2d; }
.catalog-features li.bonus-item i.fa-gift { color:#ee4d2d; font-size:12px; margin-top:3px; flex-shrink:0; }
.catalog-buy { width:100%; padding:11px; border:2px solid #ee4d2d; background:#fff; color:#ee4d2d; border-radius:8px; font-size:14px; font-weight:700; cursor:pointer; transition:all .2s; }
.catalog-buy:hover { background:#ffeee8; }
.catalog-buy.featured-buy { background:linear-gradient(135deg,#ee4d2d,#ff6633); color:#fff; border:none; padding:13px; font-size:15px; }
.catalog-buy.featured-buy:hover { filter:brightness(1.1); }
.catalog-cta { background:linear-gradient(135deg,#fff9f7,#fff0e5); border:2px dashed #ee4d2d; border-radius:12px; padding:16px; text-align:center; }
.catalog-cta p { font-size:14px; color:#333; margin-bottom:12px; line-height:1.5; }

/* FOOTER */
.footer-info { background:#fff; margin-top:8px; padding:20px 12px; text-align:center; }
.footer-row { font-size:13px; color:#555; margin-bottom:8px; }
.footer-row i { color:#ee4d2d; margin-right:6px; }
.copyright { font-size:11px; color:#999; }

/* STICKY BAR */
.sticky-bar { position:fixed; bottom:0; left:50%; transform:translateX(-50%); width:100%; max-width:480px; background:#fff; display:flex; align-items:center; padding:8px 10px; box-shadow:0 -2px 10px rgba(0,0,0,.1); z-index:200; gap:6px; }
.bar-icons { display:flex; gap:2px; }
.bar-icon { display:flex; flex-direction:column; align-items:center; font-size:10px; color:#555; padding:4px 10px; cursor:pointer; }
.bar-icon i { font-size:18px; margin-bottom:2px; }
.btn-demo { flex:1; padding:10px; border:2px solid #ee4d2d; background:#fff; color:#ee4d2d; border-radius:4px; font-size:14px; font-weight:700; cursor:pointer; transition:all .2s; }
.btn-demo:hover { background:#ffeee8; }
.btn-buy { flex:1.5; padding:10px; background:linear-gradient(135deg,#ee4d2d,#ff6633); color:#fff; border:none; border-radius:4px; font-size:14px; font-weight:700; cursor:pointer; transition:all .2s; }
.btn-buy:hover { filter:brightness(1.1); }

/* MODAL */
.modal-overlay { display:none; position:fixed; inset:0; background:rgba(0,0,0,.6); z-index:1000; align-items:flex-end; justify-content:center; }
.modal-overlay.active { display:flex; animation:fadeIn .2s; }
.modal-content { background:#fff; width:100%; max-width:480px; max-height:90vh; border-radius:16px 16px 0 0; overflow-y:auto; animation:slideUp .3s; }
.modal-header { display:flex; align-items:center; justify-content:space-between; padding:14px 16px; border-bottom:1px solid #f0f0f0; position:sticky; top:0; background:#fff; z-index:5; }
.modal-header h3 { font-size:16px; font-weight:700; }
.modal-back, .modal-close { background:none; border:none; font-size:18px; color:#555; cursor:pointer; padding:4px; }
.modal-body { padding:16px; }
.product-thumbs { display:flex; gap:10px; justify-content:center; margin-bottom:12px; }
.product-thumbs img { width:80px; height:80px; object-fit:cover; border-radius:6px; border:1px solid #eee; }
.choose-text { text-align:center; color:#ee4d2d; font-size:14px; font-style:italic; margin-bottom:14px; }
.package-options { display:flex; flex-direction:column; gap:10px; }
.pkg-btn { display:flex; justify-content:space-between; align-items:center; padding:14px 16px; background:#222; color:#fff; border:none; border-radius:8px; cursor:pointer; font-size:14px; transition:all .2s; text-align:left; }
.pkg-btn:hover { background:#333; }
.pkg-btn.featured { background:linear-gradient(135deg,#ee4d2d,#ff6633); }
.pkg-btn.featured:hover { filter:brightness(1.1); }
.pkg-price { font-weight:700; white-space:nowrap; margin-left:10px; }
.form-title { font-size:16px; margin-bottom:4px; }
.form-subtitle { font-size:13px; color:#757575; margin-bottom:14px; }
.selected-pkg { background:#f0faf7; padding:10px 14px; border-radius:6px; font-size:14px; font-weight:500; color:#00bfa5; margin-bottom:14px; border:1px solid #b2dfdb; }
.form-group { margin-bottom:14px; }
.form-group label { display:block; font-size:13px; font-weight:500; margin-bottom:4px; color:#333; }
.req { color:#ee4d2d; }
.form-group input { width:100%; padding:12px 14px; border:1.5px solid #ddd; border-radius:8px; font-size:14px; font-family:inherit; transition:border .2s; }
.form-group input:focus { outline:none; border-color:#ee4d2d; }
.btn-submit { width:100%; padding:14px; background:linear-gradient(135deg,#ee4d2d,#ff6633); color:#fff; border:none; border-radius:8px; font-size:16px; font-weight:700; cursor:pointer; display:flex; align-items:center; justify-content:center; gap:8px; transition:all .2s; }
.btn-submit:hover { filter:brightness(1.1); }
.btn-submit:disabled { opacity:.7; cursor:not-allowed; }
.form-note { font-size:12px; color:#757575; margin-top:10px; text-align:center; }
.hidden { display:none !important; }

/* QR PAYMENT STEP */
.qr-pkg-info { background:#f0faf7; padding:10px 14px; border-radius:8px; font-size:14px; font-weight:600; color:#00bfa5; margin-bottom:16px; border:1px solid #b2dfdb; }
.qr-container { background:linear-gradient(135deg,#43a047,#66bb6a); border-radius:16px; padding:20px; margin-bottom:12px; }
.qr-container img { width:200px; height:200px; border-radius:12px; margin:0 auto; display:block; background:#fff; }
.qr-save-hint { color:rgba(255,255,255,.85); font-size:12px; margin-top:10px; margin-bottom:0; }
.qr-hint { font-size:13px; color:#555; margin-bottom:16px; }
.qr-actions { display:flex; gap:10px; margin-bottom:16px; }
.qr-action-btn { flex:1; display:flex; align-items:center; justify-content:center; gap:6px; padding:12px 10px; border-radius:8px; font-size:13px; font-weight:600; cursor:pointer; border:2px solid #ddd; background:#fff; color:#333; text-decoration:none; transition:all .2s; }
.qr-action-btn:hover { border-color:#bbb; background:#f5f5f5; }
.qr-action-btn.qr-action-primary { background:linear-gradient(135deg,#ee4d2d,#ff6633); color:#fff; border:none; }
.qr-action-btn.qr-action-primary:hover { filter:brightness(1.1); }
.qr-amount { margin-bottom:16px; }
.qr-amount span { display:block; font-size:13px; color:#757575; margin-bottom:4px; }
.qr-amount strong { font-size:28px; color:#ee4d2d; }
.qr-bank-info { background:#f9f9f9; border-radius:12px; padding:14px; margin-bottom:16px; text-align:left; }
.bank-row { display:flex; justify-content:space-between; align-items:center; padding:8px 0; border-bottom:1px solid #eee; font-size:13px; }
.bank-row:last-child { border-bottom:none; }
.bank-row span { color:#757575; }
.bank-row strong { color:#222; font-size:13px; }
.qr-receive-guide { background:#fff8e1; border:1.5px solid #ffe082; border-radius:10px; padding:14px; margin-bottom:14px; text-align:left; }
.qr-receive-guide h4 { font-size:14px; color:#f57f17; margin-bottom:8px; }
.qr-receive-guide ol { padding-left:20px; margin:0; }
.qr-receive-guide li { font-size:13px; color:#555; line-height:2; }
.qr-zalo-btn { display:flex; align-items:center; justify-content:center; gap:8px; width:100%; padding:14px; background:linear-gradient(135deg,#0068ff,#0099ff); color:#fff; border:none; border-radius:10px; font-size:15px; font-weight:700; cursor:pointer; text-decoration:none; transition:all .2s; margin-bottom:12px; }
.qr-zalo-btn:hover { filter:brightness(1.1); }
.qr-zalo-note { font-size:12px; color:#757575; }
.qr-zalo-note p { margin:4px 0; }
.qr-zalo-note a { color:#ee4d2d; text-decoration:none; }
.qr-zalo-note i { color:#ee4d2d; margin-right:4px; }

@keyframes fadeIn { from{opacity:0} to{opacity:1} }
@keyframes slideUp { from{transform:translateY(100%)} to{transform:translateY(0)} }

/* Desktop */
@media(min-width:481px) {
  body { box-shadow:0 0 20px rgba(0,0,0,.1); }
}