/* ===== CÀI ĐẶT CHUNG & BIẾN MÀU ===== */
:root {
  --color-black: #010101;
  --color-gray: #1a1a1a;
  --color-dark-gray: #333;
  --color-white: #ffffff;
  --color-text-light: #cccccc;
  --tiktok-pink: #fe2c55;
  --tiktok-cyan: #25f4ee;
}

body {
  font-family: 'Roboto', sans-serif;
  margin: 0;
  background-color: var(--color-black);
  color: var(--color-white);
  overflow-x: hidden;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 { text-transform: uppercase; font-weight: 700; }
h1 { font-size: clamp(2.5rem, 5vw, 4rem); margin: 0 0 10px; }
h2 { font-size: clamp(2rem, 4vw, 2.5rem); margin: 0 0 50px; text-align: center; }
h3 { font-size: 1.5rem; margin: 15px 0 0; }
p  { font-size: 1.1rem; color: var(--color-text-light); line-height: 1.6; }
a  { color: var(--tiktok-cyan); text-decoration: none; transition: color .3s ease; }
a:hover { color: var(--tiktok-pink); }
.subline { max-width: 600px; margin: 0 auto 30px; text-align: center; }
.color-pink { color: var(--tiktok-pink); }
.color-cyan { color: var(--tiktok-cyan); }

/* ===== CẤU TRÚC LAYOUT ===== */
#wrapper { width: 100%; }
section { padding: 100px 5%; border-bottom: 1px solid var(--color-dark-gray); }
section:last-child { border-bottom: none; }

/* ===== PROMOTION HERO SECTION ===== */
.promotion-section {
  padding: 80px 5%;
  background-color: var(--color-gray);
  text-align: center;
  border-bottom: 1px solid var(--color-dark-gray);
}
.promotion-section h2 { margin-bottom: 20px; }
.promo-features-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(300px,1fr));
  gap: 30px; max-width: 800px; margin: 40px auto; text-align: left;
}
.promo-feature-card {
  background: linear-gradient(145deg, #2a2a2a, var(--color-gray));
  border: 1px solid var(--color-dark-gray);
  padding: 25px 30px; border-radius: 16px; transition: .3s;
}
.promo-feature-card:hover { transform: translateY(-5px); border-color: var(--tiktok-cyan); }
.promo-feature-card h3 {
  margin: 0; font-size: 1.3rem; color: var(--tiktok-cyan); text-transform: none;
}
.promo-feature-card p { font-size: 1rem; margin: 0; }
.promotion-section .hero-cta-group { justify-content: center; margin-top: 30px; }

/* ===== NÚT CTA CHUNG ===== */
.button-cta {
  display: inline-block; background: var(--tiktok-pink); color: var(--color-white);
  padding: 15px 35px; border-radius: 50px; font-weight: 700; text-transform: uppercase;
  border: 2px solid transparent; transition: .3s; }
.button-cta:hover { background: transparent; border-color: var(--tiktok-pink); color: var(--tiktok-pink); transform: translateY(-3px); }

/* ===== HERO SECTION ===== */
.hero-section { overflow: hidden; }
.hero-content { display: flex; align-items: center; justify-content: space-between; gap: 40px; width: 100%; }
.hero-text { flex: 1; text-align: left; z-index: 10; }
.hero-visual { flex: 1; position: relative; display: flex; align-items: center; justify-content: center; }
.hero-image { width: 120%; max-width: none; border-radius: 20px; box-shadow: 0 20px 50px rgba(0,0,0,.5); }
.floating-icon {
  position: absolute; width: 60px; height: 60px; border-radius: 50%;
  background: var(--color-gray); box-shadow: 0 5px 15px rgba(0,0,0,.3);
  animation: floatAnimation 6s ease-in-out infinite;
}
.icon-1 { top: 10%; left: 5%; background-color: var(--tiktok-pink); animation-delay: 0s; }
.icon-2 { bottom: 15%; left: 20%; width: 40px; height: 40px; background-color: var(--tiktok-cyan); animation-delay: 1s; animation-duration: 8s; }
.icon-3 { top: 20%; right: -5%; background-color: var(--color-white); animation-delay: 2s; }
@keyframes floatAnimation { 0%{transform:translateY(0)}50%{transform:translateY(-20px) scale(1.05)}100%{transform:translateY(0)} }

/* Cụm CTA mới */
.hero-cta-group {
  margin-top: 25px; display: flex; align-items: center; gap: 15px; flex-wrap: wrap;
}
.btn {
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:12px 28px; border-radius:50px; font-weight:700; text-transform:uppercase;
  border:2px solid transparent; transition:.3s; cursor:pointer;
}
.btn-hotline { background: var(--tiktok-pink); color: var(--color-white); }
.btn-hotline:hover { background: transparent; border-color: var(--tiktok-pink); color: var(--tiktok-pink); transform: translateY(-3px); }
.btn-zalo { background: transparent; border-color: var(--tiktok-cyan); color: var(--tiktok-cyan); }
.btn-zalo:hover { background: var(--tiktok-cyan); color: var(--color-black); transform: translateY(-3px); }
.btn-zalo img { width: 20px; height: 20px; }
.hotline-secondary { font-size: .9rem; color: var(--color-text-light); margin-top: 15px; }

/* Hero responsive */
@media (max-width: 992px) {
  .hero-cta-group { justify-content: center; }
  .hero-content { flex-direction: column-reverse; text-align: center; }
  .hero-text { text-align: center; }
  .hero-image { width: 100%; }
}

/* ===== PROJECTS SECTION ===== */
.project-section { padding: 60px 0; overflow: hidden; }
.project-slider { padding: 20px 0 50px; }
.project-slider .swiper-button-next, .project-slider .swiper-button-prev { color: #007bff; }
.project-slider .swiper-pagination-bullet-active { background-color: #007bff; }
.project-item { position: relative; border-radius: 10px; overflow: hidden; box-shadow: 0 4px 15px rgba(0,0,0,.1); aspect-ratio: 9/16; }
.project-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.project-item:hover img { transform: scale(1.05); }
.project-item h3 {
  position: absolute; bottom: 0; left: 0; width: 100%; margin: 0; padding: 20px 15px;
  color: #fff; text-align: center; font-size: 1.1rem; background: linear-gradient(to top, rgba(0,0,0,.8), transparent);
}

/* ===== MARQUEE (auto-scroll 2 hàng) ===== */
.marquee-wrap {
  --fade-w: 120px; --gap: 16px; --item-w: clamp(180px, 35vw, 280px); --radius: 12px;
  position: relative; display: grid; gap: var(--gap); overflow: hidden; isolation: isolate;
}
.marquee-wrap::before, .marquee-wrap::after {
  content:""; position:absolute; top:0; width:var(--fade-w); height:100%; z-index:2; pointer-events:none;
}
.marquee-wrap::before { left:0;  background: linear-gradient(to right, var(--color-black,#000), transparent); }
.marquee-wrap::after  { right:0; background: linear-gradient(to left,  var(--color-black,#000), transparent); }
.marquee-row {
  display:flex; align-items:center; gap:var(--gap); white-space:nowrap;
  will-change:transform; transform:translate3d(0,0,0); touch-action:pan-y; user-select:none;
}
.marquee-item {
  display:inline-flex; align-items:center; justify-content:center; width:var(--item-w);
  aspect-ratio: 9/16; border-radius: var(--radius); border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.03); overflow:hidden; transition: border-color .25s, transform .18s;
  pointer-events:auto;
}
.marquee-item:hover { border-color: var(--tiktok-pink); }
.marquee-item:focus-visible { outline:2px solid var(--tiktok-pink); outline-offset:2px; }
.marquee-item img { width:100%; height:100%; object-fit:cover; transform: translateZ(0); transition: transform .3s; }
.marquee-item:hover img { transform: scale(1.06); }
@media (max-width: 992px) {
  .marquee-wrap { --fade-w: 80px; --gap: 12px; --item-w: clamp(160px,42vw,240px); --radius: 10px; }
}
@media (max-width: 576px) {
  .marquee-wrap { --fade-w: 56px; --gap: 10px; --item-w: clamp(150px,48vw,210px); --radius: 10px; }
}
@media (prefers-reduced-motion: reduce) { .marquee-row { scroll-behavior: auto; } }

/* ===== ABOUT US ===== */
.about-us-section { padding: 100px 0; background-color: var(--color-gray); }
.about-us-intro { display:flex; flex-wrap:wrap; align-items:center; gap:50px; margin-bottom:80px; }
.intro-text { flex:1; min-width:320px; text-align:left; }
.intro-text h2 { text-align:left; margin-bottom:10px; }
.intro-text h3 { text-transform:none; font-size:1.5rem; color:var(--tiktok-cyan); margin-bottom:15px; }
.intro-media { flex:1; min-width:320px; }
.image-glow-wrapper { position:relative; border-radius:16px; }
.image-glow-wrapper::before {
  content:""; position:absolute; top:50%; left:50%; transform:translate(-50%,-50%);
  width:100%; height:100%; background: conic-gradient(from 90deg, var(--tiktok-pink), var(--tiktok-cyan), var(--tiktok-pink));
  filter: blur(20px); opacity:.7; z-index:-1;
}
.intro-media img { width:100%; border-radius:16px; display:block; }

/* lưới features */
.features-title { text-align:center; margin-bottom:40px; font-size:1.8rem; }
.features-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(280px,1fr)); gap:30px; }
.feature-card {
  background: linear-gradient(145deg, var(--color-gray), #111);
  border-radius:16px; border:1px solid var(--color-dark-gray);
  overflow:hidden; text-align:left; transition:.3s; position:relative;
}
.feature-card::before{
  content:""; position:absolute; inset:0; border-radius:16px; padding:1px;
  background: linear-gradient(145deg, var(--tiktok-cyan), var(--tiktok-pink));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude; opacity:0; transition:.3s;
}
.feature-card:hover { transform: translateY(-10px); box-shadow:0 20px 40px rgba(0,0,0,.5); }
.feature-card:hover::before { opacity:1; }
.card-image { aspect-ratio:16/10; overflow:hidden; }
.card-image img { width:100%; height:100%; object-fit:cover; transition: transform .4s; }
.feature-card:hover .card-image img { transform: scale(1.05); }
.card-content { padding:25px; }
.card-content h4 { text-transform:none; font-size:1.3rem; margin:0 0 10px; color:var(--color-white); }
.card-content p { font-size:.95rem; line-height:1.6; color:var(--color-text-light); margin:0; }

/* item-list nhỏ */
.item-image { flex-shrink:0; width:60px; height:60px; border-radius:12px; overflow:hidden; }
.item-image img { width:100%; height:100%; object-fit:cover; }
.item-text strong { display:block; color:var(--color-white); margin-bottom:2px; }
.item-text span { font-size:.9rem; color:var(--color-text-light); }
@media(max-width: 768px){ .about-us-intro{flex-direction:column-reverse;} }

/* ===== TESTIMONIALS ===== */
.testimonial-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(320px,1fr)); gap:40px; margin-top:60px; }
.testimonial-card { background:var(--color-gray); border-radius:16px; border:1px solid var(--color-dark-gray); transition:.3s; text-align:center; position:relative; padding:0; }
.testimonial-card:hover { transform: translateY(-10px); box-shadow:0 15px 30px rgba(0,0,0,.5); }
.card-avatar {
  width:90px; height:90px; border-radius:50%; object-fit:cover; border:4px solid var(--color-gray);
  position:absolute; top:-45px; left:50%; transform:translateX(-50%);
}
.testimonial-card .card-content { padding:60px 20px 25px; }
.testimonial-card .card-content cite { display:block; font-size:1.3rem; font-weight:700; color:var(--tiktok-cyan); font-style:normal; margin-bottom:15px; }
.testimonial-card .card-content p { font-size:1rem; color:var(--color-text-light); font-style:italic; line-height:1.6; margin:0; }

/* ===== PRICING SECTION (cards) ===== */
.price-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(320px,1fr)); gap:30px; justify-content:center; align-items:flex-start; }
.price-card {
  background:var(--color-gray); padding:30px; border-radius:10px; transition:.3s; text-align:left;
  height:100%; display:flex; flex-direction:column;
}
.price-card:hover { transform:translateY(-10px); box-shadow:0 10px 30px rgba(0,0,0,.5); }
.price-card .price-tag { font-size:2.5rem; font-weight:700; color:var(--tiktok-cyan); margin:20px 0; text-align:center; }
.price-card ul { list-style-position:inside; padding:0; line-height:2.2; flex-grow:1; }
.price-card .price-button {
  display:inline-block; margin-top:20px; background:var(--color-dark-gray); color:var(--color-white);
  padding:12px 30px; border-radius:25px; font-weight:700; text-align:center; transition:.3s;
}
.price-card .price-button:hover { filter:brightness(1.2); }
.price-card.featured { border:2px solid var(--tiktok-pink); transform:scale(1.05); }
.price-card.featured .price-tag { color:var(--tiktok-pink); }
.price-card.featured .price-button { background:var(--tiktok-pink); }

/* Toggle tier ở bảng giá */
.price-toggle {
  display:flex; justify-content:center; margin-bottom:40px; background:var(--color-gray);
  border-radius:30px; padding:5px; max-width:450px; margin-left:auto; margin-right:auto;
}
.toggle-btn {
  flex:1; padding:10px 20px; border:none; background:transparent; color:var(--color-white);
  font-weight:700; border-radius:25px; cursor:pointer; transition:.3s; display:flex; align-items:center; justify-content:center; gap:8px;
}
.toggle-btn.active { background:var(--tiktok-cyan); color:#fff; box-shadow:0 4px 15px rgba(0,255,255,.2); }

/* Cam kết thêm */
.price-tag small { display:block; font-size:1rem; font-weight:400; color:#ccc; margin-top:-10px; }
.price-commitment { background:rgba(255,255,255,.05); border-radius:8px; padding:15px; margin:15px 0; text-align:center; }
.price-commitment p{ margin:0 0 10px; font-weight:700; color:var(--tiktok-pink); }
.price-commitment span{ display:block; font-size:.9rem; color:#ddd; }
.price-commitment span+span{ margin-top:5px; }

.price-card.selected { transform: translateY(-5px) scale(1.02); box-shadow:0 0 30px var(--tiktok-cyan); border:2px solid var(--tiktok-cyan); }
.price-card.featured.selected { box-shadow:0 0 30px var(--tiktok-pink); border:2px solid var(--tiktok-pink); }

/* ===== PRICE MATRIX (bảng) ===== */
.price-matrix { display:grid; gap:12px; max-width:100%; overflow-x:hidden; }
.pm-row { display:grid; grid-template-columns:1.2fr repeat(3,1fr); gap:12px; align-items:stretch; min-width:0; }
.pm-row.pm-head .pm-cell {
  background: linear-gradient(135deg, var(--tiktok-pink), var(--tiktok-cyan));
  color:#010101; font-weight:800; text-transform:uppercase; text-align:center;
  border-radius:10px; padding:14px 12px;
}
.pm-cell { background:var(--color-gray); border:1px solid var(--color-dark-gray); border-radius:10px; padding:18px; min-width:0; }
.pm-service h3 { margin:0 0 8px; color:#fff; text-transform:none; }
.pm-points { margin:0; padding-left:18px; color:var(--color-text-light); line-height:1.8; }
.pm-price { text-align:center; margin-bottom:8px; }
.pm-price strong { display:block; font-size:1.6rem; color:var(--tiktok-cyan); overflow-wrap:anywhere; }
.pm-price small  { color:#ccc; overflow-wrap:anywhere; }
.pm-note { text-align:center; font-size:.95rem; color:#ffdddd; opacity:.9; overflow-wrap:anywhere; }
.price-cta { text-align:center; margin-top:18px; }
.pm-row:not(.pm-head) .pm-cell:hover { border-color:var(--tiktok-cyan); transform:translateY(-3px); transition:.2s; }

/* Price Matrix — mobile thành card */
@media (max-width: 992px) {
  .pm-row { grid-template-columns:1fr; }
  .pm-row.pm-head { display:none; }
  .pm-cell { padding:16px; }
  .pm-cell.pm-service { position:relative; background: linear-gradient(145deg, #2a2a2a, var(--color-gray)); }
  .pm-row .pm-cell:not(.pm-service) {
    display:grid; grid-template-columns:1fr auto; align-items:center; gap:8px;
  }
  .pm-row .pm-cell:not(.pm-service)::before {
    content: attr(data-label);
    display:inline-block; padding:6px 10px; border-radius:999px;
    background: rgba(255,255,255,.06); border:1px solid rgba(255,255,255,.12);
    font-weight:700; color:#fff; margin-bottom:6px; justify-self:start;
  }
  .pm-price strong { font-size: clamp(1.15rem, 5vw, 1.5rem); }
  .pm-price small  { font-size: .95rem; }
  .pm-service h3   { font-size: clamp(1.05rem, 4.2vw, 1.25rem); }
  .pm-cell { padding:14px; }
}
@media (max-width: 420px) {
  .pm-row .pm-cell:not(.pm-service) { grid-template-columns:1fr auto; column-gap:6px; }
  .pm-price strong { font-size: clamp(1.05rem, 5.4vw, 1.35rem); }
  .pm-row { gap:10px; }
}

/* ===== CONTACT ===== */
.contact-section { text-align:center; }
.contact-info { margin-top:40px; }
.contact-info p { font-size:1.5rem; }

/* ===== RESPONSIVE CHUNG ===== */
@media (max-width: 768px) {
  section { padding: 60px 5%; }
  h1 { font-size: 2.5rem; }
  h2 { font-size: 2rem; }
  .price-card.featured { transform: none; }
}
/* ============ SAMPLE VIDEOS (CATEGORIES + TIERS) ============ */
.sample-videos-section { position: relative; }
.sample-videos-section h2 + .subline,
.sample-videos-section .subline { margin: 6px 0 18px; font-size: .95rem; opacity: .9; }

/* --- Category strip (danh mục) --- */
.cat-strip {
  display: flex; gap: 12px; overflow-x: auto; padding: 10px 2px 2px; margin-bottom: 16px;
  scrollbar-width: none; -ms-overflow-style: none;
  mask-image: linear-gradient(to right, transparent 0, black 24px, black calc(100% - 24px), transparent 100%);
}
.cat-strip::-webkit-scrollbar { display: none; }
.cat-chip{
  flex:0 0 auto; padding:10px 16px; border-radius:999px; font-weight:700; white-space:nowrap;
  border:1px solid rgba(255,255,255,.18); background:rgba(255,255,255,.06); color:#fff; cursor:pointer;
  transition: transform .18s, border-color .18s, background .18s, color .18s;
}
.cat-chip:hover{ transform: translateY(-2px); }
.cat-chip.is-active{ border-color:transparent; background:linear-gradient(135deg,var(--tiktok-pink),var(--tiktok-cyan)); color:#010101; }

/* --- Panels theo danh mục & gói --- */
.category-panel{ display:none; }
.category-panel.is-active{ display:block; }
.tier-panel{ display:none; }
.tier-panel.is-active{ display:block; }

/* --- Tier strip (Cơ bản / Tiêu chuẩn / Chuyên nghiệp) — mobile mặc định là ngang --- */
.tier-strip{ display:flex; gap:10px; margin:10px 0 18px; overflow-x:auto; padding-bottom:2px; scrollbar-width:none; -ms-overflow-style:none; }
.tier-strip::-webkit-scrollbar{ display:none; }
.tier-chip{
  flex:0 0 auto; padding:8px 14px; border-radius:999px; font-weight:700; line-height:1;
  border:1px solid rgba(255,255,255,.18); background:rgba(255,255,255,.06); color:#fff; cursor:pointer;
  transition: transform .18s, border-color .18s, background .18s, color .18s;
}
.tier-chip:hover{ transform: translateY(-2px); }
.tier-chip.is-active{ border-color:transparent; background:linear-gradient(135deg,var(--tiktok-pink),var(--tiktok-cyan)); color:#0b0b0b; }
.tier-chip:focus-visible, .cat-chip:focus-visible{ box-shadow:0 0 0 3px rgba(37,244,238,.35); }

/* --- Swiper chung --- */
.sample-videos-section .videos-swiper{
  --nav-size: 38px; --nav-bg: rgba(20,20,20,.55); --nav-bg-hover: rgba(20,20,20,.85);
  --nav-icon:#fff; --pagination-color: var(--tiktok-cyan); --pagination-color-alt: var(--tiktok-pink);
}
.sample-videos-section .videos-swiper .swiper-button-prev,
.sample-videos-section .videos-swiper .swiper-button-next{
  width:var(--nav-size); height:var(--nav-size); border-radius:999px; background:var(--nav-bg); backdrop-filter:blur(6px);
  transition: background .18s, transform .18s;
}
.sample-videos-section .videos-swiper .swiper-button-prev:hover,
.sample-videos-section .videos-swiper .swiper-button-next:hover{ background:var(--nav-bg-hover); transform: translateY(-1px); }
.sample-videos-section .videos-swiper .swiper-button-prev::after,
.sample-videos-section .videos-swiper .swiper-button-next::after{ font-size:16px; color:var(--nav-icon); }
.sample-videos-section .videos-swiper .swiper-pagination-bullet{
  width:8px; height:8px; opacity:.6; background:var(--pagination-color); transition: transform .18s, opacity .18s;
}
.sample-videos-section .videos-swiper .swiper-pagination-bullet-active{
  opacity:1; transform:scale(1.2);
  background:linear-gradient(135deg,var(--pagination-color),var(--pagination-color-alt));
}

/* --- Card caption trong slide (tuỳ chọn nếu anh dùng tiêu đề chèn ảnh) --- */
.sample-videos-section .project-item{ position:relative; background:rgba(255,255,255,.04); border-radius:12px; overflow:hidden; }
.sample-videos-section .project-item h3{
  position:absolute; left:10px; right:10px; bottom:10px; margin:0; padding:6px 10px;
  font-size:.88rem; font-weight:700; line-height:1.25; color:#fff;
  background:linear-gradient(180deg,rgba(0,0,0,0) 0%,rgba(0,0,0,.65) 100%); border-radius:8px;
}

/* --- Desktop: sidebar 3 gói dạng vuông, compact --- */
@media (min-width: 992px){
  /* Chỉ hiển thị panel active theo layout 2 cột */
  .sample-videos-section .category-panel.is-active{
    display:grid !important; grid-template-columns: var(--tier-sidebar, 108px) 1fr; gap:12px; align-items:start;
  }

  .sample-videos-section .tier-strip{
    flex-direction:column; align-items:stretch; gap:8px; margin:0; padding:0; overflow:visible;
  }

  .sample-videos-section .tier-chip{
    width:100%; aspect-ratio:1/1; border-radius:14px;
    display:flex; align-items:center; justify-content:center; text-align:center;
    padding:8px; font-size:.86rem; line-height:1.2; white-space:normal; word-break:break-word;
    background:rgba(255,255,255,.04); border:1px solid rgba(255,255,255,.10);
  }
  .sample-videos-section .tier-chip.is-active{
    background:linear-gradient(135deg,var(--tiktok-pink),var(--tiktok-cyan)); color:#0b0b0b; border-color:transparent;
  }

  /* Không cần khoảng cách giữa các tier-panel vì chỉ show 1 */
  .sample-videos-section .tier-panel + .tier-panel{ margin-top:0; }
}

/* --- Mobile tweaks --- */
@media (max-width: 575.98px){
  .cat-chip, .tier-chip{ padding:7px 12px; font-size:.92rem; }
  .sample-videos-section .project-item h3{ font-size:.84rem; padding:6px 8px; }
}

/* --- Reduced motion --- */
@media (prefers-reduced-motion: reduce){
  .cat-chip, .tier-chip,
  .sample-videos-section .videos-swiper .swiper-button-prev,
  .sample-videos-section .videos-swiper .swiper-button-next,
  .sample-videos-section .videos-swiper .swiper-pagination-bullet{ transition:none; }
}
.videos-swiper .swiper-slide {
  height: auto; /* mặc định */
}

/* Hoặc tốt hơn: dùng CSS để kiểm soát chiều cao */
.videos-swiper {
  --slide-ratio: 9/16;
}

.videos-swiper .swiper-slide {
  aspect-ratio: var(--slide-ratio);
  /* height: 0; */
  /* padding-bottom: calc(100% / (9/16)); */ /* fallback cho aspect-ratio */
}