/* Vũ Trụ Powerpoint — TRANG CHỦ (index.html): lưới banner đầu trang, công cụ vòng cung, font dải cong, bàn phím meme.
   Khung rộng .hwide = đúng bằng khung header (thẳng logo bên trái và VI/EN bên phải). */
.hwide{width:100%;max-width:1720px;margin:0 auto;padding:0 clamp(14px,2.6vw,56px);box-sizing:border-box}
.hbento{margin-top:clamp(14px,1.6vw,24px)}
.block.hx{padding:clamp(36px,5vw,72px) 0}

/* ========== 1. LƯỚI BANNER (bento) ========== */
.bento{display:grid;grid-template-columns:1fr 1fr 2.35fr 1.45fr;grid-template-rows:.82fr 1fr;grid-template-areas:"a a c d" "e f c d";gap:clamp(10px,1vw,18px);height:clamp(400px,31vw,620px)}
.bs{position:relative;overflow:hidden;border-radius:clamp(20px,1.7vw,30px);isolation:isolate;min-width:0;min-height:0;background:#F1F1F4}
.bs-a{grid-area:a}.bs-c{grid-area:c}.bs-d{grid-area:d}.bs-e{grid-area:e}.bs-f{grid-area:f}
.bs.empty{background:repeating-linear-gradient(45deg,#F4F4F6 0 12px,#ECECEF 12px 24px)}
.btrack{display:flex;height:100%;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;overscroll-behavior-x:contain}
.btrack::-webkit-scrollbar{display:none}
.bt{position:relative;flex:0 0 100%;height:100%;scroll-snap-align:start;background:var(--bg,#2E9E5B);overflow:hidden;isolation:isolate;container-type:size;color:#fff}
.bt.lt{color:#1F2D24}
.bt .bimg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-1;transition:transform .6s cubic-bezier(.2,.7,.2,1)}
.bs:hover .bt .bimg{transform:scale(1.035)}
.bt .shade{position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(10,10,11,0) 30%,rgba(10,10,11,.72))}
.bcover{position:absolute;inset:0;z-index:2}
.btx{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;align-items:flex-start;gap:clamp(6px,2.2cqb,12px);padding:clamp(16px,6cqmin,40px);z-index:3;pointer-events:none}
.btx a{pointer-events:auto}
.bt:not(.img) .btx{justify-content:center}
.bt.art-fan .btx{justify-content:flex-start;padding-right:46%}
.bchip{display:inline-block;padding:5px 12px;border-radius:999px;font-size:clamp(11px,2.4cqmin,13.5px);font-weight:800;background:rgba(255,255,255,.18);backdrop-filter:blur(6px)}
.bt.lt .bchip{background:rgba(10,10,11,.08)}
.bt.art-fan .bchip{background:#FFE27A;color:#1F2D24}
.btt{margin:0;font-size:clamp(17px,min(6.6cqi,12.5cqb),66px);line-height:1.03;font-weight:900;letter-spacing:-.03em;max-width:15ch;text-wrap:balance}
.btt .hl{display:inline-block;background:#FFE27A;color:#1F2D24;padding:.02em .3em .1em;border-radius:.22em;transform:rotate(-1.5deg);margin:.12em 0}
.bsub{margin:0;font-size:clamp(12px,min(2.5cqi,5cqb),17px);line-height:1.45;opacity:.88;max-width:42ch;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.bbtn{display:inline-flex;align-items:center;gap:8px;margin-top:4px;padding:clamp(9px,2.2cqmin,14px) clamp(14px,4cqmin,24px);border-radius:999px;background:#fff;color:#1F2D24;font-weight:800;font-size:clamp(12.5px,2.6cqmin,15.5px);transition:transform .15s,box-shadow .2s}
.bt.lt .bbtn{background:#1F2D24;color:#fff}
.bt.art-fan .bbtn{background:#FFE27A;color:#1F2D24}
.bbtn:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(0,0,0,.18)}
@container (max-height:230px){.bsub{-webkit-line-clamp:2}}
@container (max-width:300px){.bsub{display:none}.btt{max-width:none}}
/* hình trang trí khi banner không có ảnh */
.bt .deco-ring{position:absolute;border-radius:50%;border:1.5px solid rgba(255,255,255,.28);pointer-events:none}
.bt.lt .deco-ring{border-color:rgba(10,10,11,.14)}
.bt .check-corner{position:absolute;right:-12px;bottom:-12px;width:46%;height:52%;opacity:.9;background-image:conic-gradient(#1F2D24 25%,transparent 0 50%,#1F2D24 0 75%,transparent 0);background-size:26px 26px;-webkit-mask:linear-gradient(135deg,transparent 30%,#000 75%);mask:linear-gradient(135deg,transparent 30%,#000 75%);pointer-events:none}
.bt:not(.lt) .check-corner{filter:invert(1);opacity:.25}
.bart-ic{position:absolute;right:clamp(12px,6cqmin,26px);top:clamp(12px,6cqmin,26px);width:clamp(44px,22cqmin,78px);aspect-ratio:1;display:grid;place-items:center;border-radius:50%;background:rgba(255,255,255,.2);color:inherit;transition:transform .35s cubic-bezier(.2,.8,.2,1.4)}
.bt.lt .bart-ic{background:rgba(10,10,11,.08)}
.bs:hover .bart-ic{transform:rotate(-12deg) scale(1.08)}
.bart-fan{position:absolute;right:-2%;top:50%;width:52%;height:100%;transform:translateY(-50%);pointer-events:none}
.bart-fan .tfan{right:50%;top:54%;transform:translate(50%,-50%) scale(clamp(.55,calc(100cqi / 760px),1));display:block!important}
.bs:hover .bart-fan .tfan .fc{transform:translate(calc(var(--x)*1.12),calc(var(--y) - 8px)) rotate(calc(var(--r)*1.2))}
@container (max-width:520px){.bart-fan{display:none}.bt.art-fan .btx{padding-right:clamp(16px,6cqmin,40px);justify-content:center}}
/* chấm chuyển banner */
.bdots{position:absolute;left:0;right:0;bottom:12px;display:flex;justify-content:center;gap:6px;z-index:4;pointer-events:none}
.bdots button{pointer-events:auto;width:7px;height:7px;padding:0;border:0;border-radius:99px;background:rgba(255,255,255,.55);box-shadow:0 0 0 1px rgba(0,0,0,.12);cursor:pointer;transition:width .3s,background .3s}
.bdots button.on{width:22px;background:#fff}
.bs.multi .btx{padding-bottom:max(30px,clamp(16px,6cqmin,40px))}
@media (max-width:1000px){
 .bento{grid-template-columns:1fr 1fr;grid-template-rows:none;grid-auto-rows:auto;grid-template-areas:"c c" "a a" "e f" "d d";height:auto}
 .bs-c{aspect-ratio:4/3.1}.bs-a{aspect-ratio:2.2/1}.bs-e,.bs-f{aspect-ratio:1}.bs-d{aspect-ratio:16/11}
}
@media (max-width:560px){.bs-c{aspect-ratio:4/4.4}}

/* ========== 2. CÔNG CỤ — dải thẻ xếp chồng (rê chuột: thẻ trồi lên trước, thẳng lại, hiện nút) ========== */
.fan{text-align:center;padding:clamp(6px,1vw,16px) 0}
.fan-head{display:grid;justify-items:center;gap:10px;margin-bottom:clamp(18px,2.4vw,38px)}
.fan-k{font-size:13px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:#2E9E5B}
.fan-t{margin:0;font-size:clamp(30px,3.6vw,60px);line-height:1.04;font-weight:900;letter-spacing:-.035em;color:#1F2D24;text-wrap:balance}
.fan-row{--w:min(236px,calc(100% / (var(--n) * .72 + .34)));display:flex;justify-content:center;align-items:center;padding:clamp(30px,3vw,56px) 0 clamp(36px,3.4vw,64px);perspective:1400px}
.fan-c{position:relative;flex:0 0 var(--w);margin-left:calc(var(--w) * -.28);z-index:var(--z);transition:z-index 0s .25s}
.fan-c:first-child{margin-left:0}
/* thẻ: nền gradient theo màu công cụ, tên ở trên, minh hoạ nổi như tấm ảnh dán nghiêng (tràn khỏi khung) */
.fan-in{position:relative;display:block;aspect-ratio:3/4;color:#fff;isolation:isolate;
  transform:translateY(calc(var(--y) + 26px)) rotate(var(--r)) rotateY(calc(var(--o) * -5deg)) scale(var(--s));opacity:0;
  transition:transform .55s cubic-bezier(.2,.8,.2,1),opacity .45s var(--d),filter .3s}
.fan.in .fan-in{transform:translateY(var(--y)) rotate(var(--r)) rotateY(calc(var(--o) * -5deg)) scale(var(--s));opacity:1}
.fan-bg{position:absolute;inset:0;z-index:-1;border-radius:clamp(18px,1.6vw,26px);overflow:hidden;
  background:radial-gradient(120% 70% at 20% 0%,color-mix(in srgb,var(--gc) 55%,#fff) 0%,transparent 60%),linear-gradient(165deg,color-mix(in srgb,var(--gc) 88%,#fff) 0%,var(--gc) 45%,color-mix(in srgb,var(--gc) 62%,#000) 100%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.35),inset 0 0 0 1px rgba(255,255,255,.12),0 22px 40px -22px color-mix(in srgb,var(--gc) 70%,#000),0 8px 16px -10px rgba(0,0,0,.35)}
.fan-bg::before{content:"";position:absolute;right:-30%;top:18%;width:95%;aspect-ratio:1;border-radius:50%;border:1.5px solid rgba(255,255,255,.22);box-shadow:0 0 0 18px rgba(255,255,255,.06)}
.fan-bg::after{content:"";position:absolute;left:-20%;bottom:-25%;width:80%;aspect-ratio:1;border-radius:50%;background:radial-gradient(closest-side,rgba(255,255,255,.25),transparent)}
.fan-top{position:absolute;left:0;right:0;top:0;display:flex;justify-content:space-between;align-items:flex-start;gap:6px;padding:clamp(11px,1vw,16px);text-align:left}
.fan-nm{display:grid;gap:3px;min-width:0}
.fan-nm b{font-size:clamp(13px,1.05vw,17px);font-weight:900;line-height:1.12;letter-spacing:-.01em;text-shadow:0 1px 2px rgba(0,0,0,.18);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.fan-nm small{font-size:clamp(10px,.75vw,11.5px);font-weight:700;opacity:.82}
.fan-badge{flex:none;display:inline-flex;align-items:center;gap:3px;padding:4px 7px;border-radius:999px;background:rgba(255,255,255,.22);backdrop-filter:blur(4px);font-size:10.5px;font-weight:800}
.fan-art{position:absolute;left:8%;right:-9%;bottom:7%;height:56%;display:grid;place-items:center;pointer-events:none}
.fan-tile{display:block;width:100%;transform:rotate(var(--tr)) translateY(0);border-radius:clamp(12px,1.1vw,18px);overflow:hidden;background:#fff;
  box-shadow:0 0 0 3px rgba(255,255,255,.95),0 18px 30px -12px rgba(0,0,0,.45);transition:transform .5s cubic-bezier(.2,.8,.2,1.25)}
.fan-tile .tthumb{width:100%;aspect-ratio:16/10.5!important;border-radius:0!important;display:block}
.fan-tile .tthumb svg,.fan-tile .tthumb img{width:100%;height:100%;object-fit:cover;display:block}
.fan-tile .tdots,.fan-tile .tpro{display:none}
.fan-info{position:absolute;left:0;right:0;bottom:0;display:grid;gap:6px;justify-items:start;text-align:left;padding:clamp(10px,.9vw,14px);border-radius:0 0 clamp(18px,1.6vw,26px) clamp(18px,1.6vw,26px);
  background:linear-gradient(180deg,rgba(10,10,11,0),rgba(10,10,11,.82) 34%);opacity:0;transform:translateY(10px);transition:opacity .3s,transform .35s cubic-bezier(.2,.8,.2,1)}
.fan-info em{font-style:normal;font-size:11.5px;line-height:1.4;opacity:.9;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.fan-use{display:inline-flex;align-items:center;gap:5px;padding:7px 12px;border-radius:999px;background:#FFE27A;color:#1F2D24;font-size:11.5px;font-weight:800;white-space:nowrap}
/* rê chuột: thẻ trồi lên trước, thẳng lại; minh hoạ bật ra khỏi khung; hiện mô tả + nút */
.fan-c:hover{z-index:200;transition:z-index 0s}
.fan-c:hover .fan-in,.fan-c:focus-visible .fan-in{transform:translateY(-30px) rotate(0) rotateY(0) scale(1.28);transition-delay:0s}
.fan-c:hover .fan-tile{transform:rotate(calc(var(--tr) * -.6)) translate(5%,-16%) scale(1.06)}
.fan-c:hover .fan-info,.fan-c:focus-visible .fan-info{opacity:1;transform:none}
.fan-row:hover .fan-c:not(:hover) .fan-in{filter:saturate(.65) brightness(.92)}
.fan-foot{display:grid;justify-items:center;gap:16px}
.fan-s{margin:0;max-width:56ch;font-size:clamp(14px,1.05vw,17px);line-height:1.55;color:rgba(10,10,11,.62)}
.fan-btn{display:inline-flex;align-items:center;gap:8px;padding:13px 24px;border-radius:999px;background:#1F2D24;color:#fff;font-weight:800;font-size:15px;transition:transform .15s}
.fan-btn:hover{transform:translateY(-2px)}
@media (max-width:760px){
 .fan-row{justify-content:flex-start;overflow-x:auto;perspective:none;padding:14px 4px 30px;scroll-snap-type:x mandatory;scrollbar-width:none;gap:12px}
 .fan-row::-webkit-scrollbar{display:none}
 .fan-c{--w:62vw;margin-left:0;scroll-snap-align:center}
 .fan-in{transform:none!important;opacity:1}
 .fan-info{opacity:1;transform:none}
}
@media (prefers-reduced-motion:reduce){.fan-in{transition:none}}

/* ========== 3. FONT — dải thẻ cong (khung chữ cố định chiều cao → đổi chữ không giật) ========== */
.crv{position:relative;padding:clamp(10px,2vw,30px) 0 0;text-align:center}
.crv-txt{display:grid;justify-items:center;gap:12px;max-width:720px;margin:0 auto clamp(26px,3vw,46px)}
.crv-k{font-size:13px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:#FF9F43}
.crv-swap{position:relative;width:100%;height:calc(clamp(30px,3.2vw,54px) * 1.15 + 3.2em + 12px)}
.crv-face{position:absolute;inset:0;display:grid;align-content:start;justify-items:center;gap:10px;opacity:0;transform:translateY(6px);transition:opacity .22s ease,transform .22s ease;pointer-events:none}
.crv-face.on{opacity:1;transform:none;pointer-events:auto}
.crv-t{margin:0;max-width:100%;font-size:clamp(28px,3.2vw,52px);line-height:1.15;font-weight:900;letter-spacing:-.03em;color:#1F2D24;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;padding:0 .1em}
.crv-s{margin:0;font-size:clamp(14px,1.05vw,17px);line-height:1.55;color:rgba(10,10,11,.6);max-width:52ch;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.crv-btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:999px;background:#1F2D24;color:#fff;font-weight:800;font-size:14.5px;transition:transform .15s}
.crv-btn:hover{transform:translateY(-2px)}
.crv-row{display:flex;align-items:center;justify-content:center;gap:clamp(8px,1vw,16px);height:clamp(270px,25vw,420px);perspective:1100px}
/* thẻ ngoài (.crv-c) đứng yên làm vùng rê chuột; chỉ lớp trong (.crv-in) chuyển động → không bị giật qua lại */
.crv-c{--w:clamp(96px,10.5vw,190px);position:relative;flex:0 0 var(--w);height:var(--h);max-height:100%}
.crv-in{position:absolute;inset:0;border-radius:clamp(16px,1.6vw,26px);background:var(--bg);color:#fff;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:6px;overflow:hidden;padding:10px;text-align:center;
  transform:rotateY(var(--ry)) translateY(20px);opacity:0;transition:transform .5s cubic-bezier(.2,.8,.2,1),opacity .4s var(--d),box-shadow .3s,filter .3s;box-shadow:0 18px 40px -22px rgba(0,0,0,.45);will-change:transform}
.crv-c.lt .crv-in{color:#1F2D24;box-shadow:inset 0 0 0 1px rgba(0,0,0,.06),0 18px 40px -26px rgba(0,0,0,.35)}
.crv.in .crv-in{transform:rotateY(var(--ry));opacity:1}
.crv-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.crv-c.im .crv-nm{color:#fff;background:linear-gradient(180deg,transparent,rgba(0,0,0,.55));padding:22px 8px 0;bottom:0;padding-bottom:12px;opacity:.95}
.crv-aa{font-size:clamp(40px,4.6vw,86px);line-height:1;letter-spacing:-.02em}
.crv-sm{font-size:clamp(12px,1vw,16px);line-height:1.2;opacity:.85;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.crv-nm{position:absolute;left:0;right:0;bottom:12px;font-size:11.5px;font-weight:700;opacity:.65;padding:0 8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.crv-no{position:absolute;left:12px;top:10px;font-size:11px;font-weight:800;opacity:.5}
.crv.hov .crv-c:not(.on) .crv-in{filter:saturate(.6) opacity(.55)}
.crv-c.on .crv-in{transform:rotateY(0deg) translateY(-10px) scale(1.06);box-shadow:0 30px 60px -24px rgba(0,0,0,.5);transition-delay:0s;z-index:3}
.crv-c.on{z-index:3}
@media (max-width:760px){
 .crv-row{justify-content:flex-start;overflow-x:auto;perspective:none;height:auto;padding:6px 4px 16px;scroll-snap-type:x mandatory;scrollbar-width:none}
 .crv-row::-webkit-scrollbar{display:none}
 .crv-c{--w:132px;height:180px;scroll-snap-align:center}
 .crv-in{transform:none!important;opacity:1}
 .crv.hov .crv-c:not(.on) .crv-in{filter:none}
 .crv-t{white-space:normal}
}

/* ========== 4. THƯ VIỆN MEME — khung tối có 4 tab: Sound · Green screen · Ảnh · Video ========== */
.mboard{display:grid;grid-template-columns:minmax(0,1.62fr) minmax(0,1fr);gap:clamp(12px,1.2vw,20px);align-items:stretch}
.mb-l{position:relative;display:flex;flex-direction:column;border-radius:clamp(22px,2vw,34px);padding:clamp(22px,2.6vw,42px);background:#1F2D24;color:#fff;overflow:hidden;isolation:isolate}
.mb-l::before{content:"";position:absolute;inset:-40% -10% auto auto;width:60%;aspect-ratio:1;border-radius:50%;background:radial-gradient(closest-side,rgba(230,255,79,.16),transparent);z-index:-1}
.mb-top{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;flex-wrap:wrap}
.mb-k{font-size:13px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:#FFE27A}
.mb-t{margin:8px 0 0;font-size:clamp(24px,2.5vw,42px);line-height:1.05;font-weight:900;letter-spacing:-.03em;color:#fff;max-width:16ch}
/* 4 tab tách riêng, to & rõ: ô icon màu + tên + số lượng; tab đang chọn tô màu của nó */
.mb-tabs{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(8px,.8vw,12px);margin-top:clamp(16px,1.6vw,22px)}
.mb-tab{--tc:#FFE27A;display:flex;align-items:center;gap:10px;padding:10px 12px;border:0;border-radius:16px;background:rgba(255,255,255,.06);box-shadow:inset 0 0 0 1px rgba(255,255,255,.12);color:#fff;font:inherit;text-align:left;cursor:pointer;transition:background .2s,box-shadow .2s,transform .2s}
.mb-tab:hover{background:rgba(255,255,255,.11);transform:translateY(-2px)}
.mb-tic{flex:none;width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:color-mix(in srgb,var(--tc) 22%,transparent);color:var(--tc);transition:background .2s,color .2s}
.mb-tl{display:grid;gap:1px;min-width:0}.mb-tl b{font-size:13.5px;font-weight:800;line-height:1.2;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.mb-tl small{font-size:11.5px;opacity:.6;font-weight:600}
.mb-tab.on{background:var(--tc);box-shadow:0 10px 26px -12px var(--tc),inset 0 -3px 0 rgba(0,0,0,.15);color:#1F2D24}
.mb-tab.on .mb-tic{background:rgba(10,10,11,.88);color:var(--tc)}
.mb-tab.on .mb-tl small{opacity:.75}
.mb-s{margin:10px 0 clamp(14px,1.6vw,22px);color:rgba(255,255,255,.6);font-size:clamp(13.5px,.95vw,15.5px);line-height:1.55;max-width:60ch}
.mb-stage{flex:1;min-height:clamp(240px,20vw,330px);display:flex}
.mb-stage>*{flex:1}
/* --- Sound: đĩa than + bìa đĩa --- */
.mb-pads{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:1fr;gap:clamp(10px,1vw,16px)}
.mb-pad{--pc:#2E9E5B;position:relative;border:0;padding:0;background:none;font:inherit;color:#fff;cursor:pointer;text-align:left;isolation:isolate;min-height:0}
.mb-sleeve{position:absolute;inset:0 16% 0 0;z-index:2;display:flex;flex-direction:column;justify-content:flex-end;gap:6px;padding:12px;border-radius:clamp(12px,1vw,18px);overflow:hidden;
  background:radial-gradient(120% 90% at 0% 0%,color-mix(in srgb,var(--pc) 70%,#fff) 0%,var(--pc) 45%,color-mix(in srgb,var(--pc) 70%,#000) 100%);box-shadow:inset 0 0 0 1px rgba(255,255,255,.14),0 12px 24px -14px var(--pc);transition:transform .35s cubic-bezier(.2,.8,.2,1.2)}
.mb-sleeve::before{content:"";position:absolute;right:-30%;top:-40%;width:90%;aspect-ratio:1;border-radius:50%;border:2px solid rgba(255,255,255,.18);box-shadow:0 0 0 14px rgba(255,255,255,.05)}
.mb-sleeve b{position:relative;font-size:clamp(12px,.95vw,14.5px);font-weight:800;line-height:1.2;text-shadow:0 1px 2px rgba(0,0,0,.3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mb-wave{position:relative;display:flex;align-items:center;gap:3px;height:18px}
.mb-wave i{flex:1;max-width:4px;height:calc(20% + var(--h,40%));border-radius:3px;background:rgba(255,255,255,.75)}
.mb-wave i:nth-child(odd){--h:30%}.mb-wave i:nth-child(3n){--h:70%}.mb-wave i:nth-child(4n){--h:50%}.mb-wave i:nth-child(5){--h:80%}
.mb-disc{position:absolute;z-index:1;top:7%;right:0;height:86%;aspect-ratio:1;border-radius:50%;
  background:radial-gradient(circle,transparent 0 30%,#1F2D24 31%),repeating-radial-gradient(circle,#161616 0 2px,#262626 2px 3px);box-shadow:0 6px 16px rgba(0,0,0,.45);transition:transform .45s cubic-bezier(.2,.8,.2,1.1)}
.mb-lbl{position:absolute;inset:32%;border-radius:50%;background:var(--pc);display:grid;place-items:center;box-shadow:0 0 0 2px rgba(255,255,255,.2)}
.mb-lbl::after{content:"";position:absolute;width:5px;height:5px;border-radius:50%;background:#1F2D24}
.mb-sleeve kbd{position:absolute;left:10px;top:9px;font:800 11px/1 var(--font);padding:4px 6px;border-radius:6px;background:rgba(0,0,0,.25);color:#fff}
.mb-pad:hover .mb-sleeve{transform:translateX(-6%) rotate(-2deg)}
.mb-pad:hover .mb-disc{transform:translateX(6%) rotate(60deg)}
.mb-pad.play .mb-sleeve{transform:translateX(-8%) rotate(-3deg)}
.mb-pad.play .mb-disc{transform:translateX(8%);animation:mbSpin 1.2s linear infinite}
.mb-pad.play .mb-wave i{animation:mbEq .45s ease-in-out infinite alternate}
.mb-pad.play .mb-wave i:nth-child(2n){animation-delay:-.2s}.mb-pad.play .mb-wave i:nth-child(3n){animation-delay:-.35s}
.mb-pad.hit .mb-sleeve{transform:translateX(-4%) scale(.97)}
@keyframes mbSpin{from{rotate:0deg}to{rotate:360deg}}
@keyframes mbEq{from{height:20%}to{height:100%}}
/* --- Green screen / Ảnh / Video: lưới xem thử --- */
.mb-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:1fr;gap:clamp(8px,.8vw,12px)}
.mb-th{position:relative;border-radius:14px;overflow:hidden;background:#1A1A1E;min-height:0;box-shadow:inset 0 0 0 1px rgba(255,255,255,.08)}
.mb-grid.gs .mb-th{box-shadow:inset 0 0 0 2px rgba(60,203,60,.55)}
.mb-th img,.mb-th .mb-vid{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .4s}
.mb-th:hover img{transform:scale(1.06)}
.mb-play{position:absolute;left:8px;top:8px;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;background:rgba(0,0,0,.55);color:#fff;z-index:2}
.mb-cap{position:absolute;left:0;right:0;bottom:0;padding:18px 9px 8px;font-size:11.5px;font-weight:700;color:#fff;background:linear-gradient(180deg,transparent,rgba(0,0,0,.7));white-space:nowrap;overflow:hidden;text-overflow:ellipsis;z-index:2}
.mb-empty{display:grid;place-items:center;align-content:center;gap:8px;text-align:center;border:1.5px dashed rgba(255,255,255,.18);border-radius:18px;color:rgba(255,255,255,.7)}
.mb-empty svg{color:#FFE27A}.mb-empty b{color:#fff;font-size:16px}.mb-empty span{font-size:13px}
.mb-foot{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:clamp(16px,1.8vw,24px)}
.mb-btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:999px;background:#FFE27A;color:#1F2D24;font-weight:800;font-size:14.5px;transition:transform .15s}
.mb-btn:hover{transform:translateY(-2px)}
.mb-hint{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;color:rgba(255,255,255,.5)}
.mb-r{display:grid;grid-template-rows:repeat(3,1fr);gap:clamp(10px,1vw,16px)}
.mb-tile{--tc:#2E9E5B;position:relative;display:flex;align-items:center;gap:16px;padding:clamp(16px,1.6vw,26px);border-radius:clamp(20px,1.8vw,30px);background:#F1F1F4;color:#1F2D24;overflow:hidden;isolation:isolate;transition:transform .25s cubic-bezier(.2,.8,.2,1.3)}
.mb-tile::after{content:"";position:absolute;right:-30px;bottom:-60px;width:180px;aspect-ratio:1;border-radius:50%;background:var(--tc);opacity:.16;z-index:-1;transition:transform .4s,opacity .3s}
.mb-tile:hover{transform:translateX(6px) rotate(-.6deg)}
.mb-tile:hover::after{transform:scale(1.6);opacity:.28}
.mb-ic{flex:none;display:grid;place-items:center;width:clamp(46px,3.6vw,60px);aspect-ratio:1;border-radius:16px;background:var(--tc);color:#fff;box-shadow:inset 0 -3px 0 rgba(0,0,0,.18);transition:transform .35s cubic-bezier(.2,.8,.2,1.5)}
.mb-tile:hover .mb-ic{transform:rotate(-10deg) scale(1.08)}
.mb-tx{flex:1;min-width:0;display:grid;gap:3px}.mb-tx b{font-size:clamp(15px,1.2vw,19px);font-weight:900;letter-spacing:-.01em}.mb-tx small{font-size:13px;color:rgba(10,10,11,.6);line-height:1.4}
.mb-n{font-size:12px;font-weight:800;padding:4px 10px;border-radius:999px;background:#fff}
@media (max-width:1000px){.mboard{grid-template-columns:1fr}.mb-r{grid-template-rows:none}}
@media (max-width:620px){.mb-pads,.mb-grid{grid-template-columns:repeat(2,1fr)}.mb-pad{min-height:96px}.mb-th{aspect-ratio:1}.mb-hint{display:none}.mb-tabs{grid-template-columns:repeat(2,1fr)}}
@media (min-width:621px){.mb-pad{min-height:0}}
@media (prefers-reduced-motion:reduce){.crv-in,.bt .bimg{transition:none}.mb-pad.play .mb-wave i,.mb-pad.play .mb-disc{animation:none}}

/* ========== 0. ĐẦU TRANG VIDEO ========== */
.hx-hero{padding-top:clamp(14px,1.6vw,24px)}
.hero{--hdim:.45;position:relative;min-height:clamp(560px,min(86vh,52vw),900px);border-radius:clamp(24px,2.2vw,40px);overflow:hidden;isolation:isolate;color:#fff;background:#1F2D24;display:flex;flex-direction:column;align-items:center;justify-content:space-between;padding:clamp(40px,6vw,96px) clamp(18px,3vw,48px) 0}
.hero-media{position:absolute;inset:0;z-index:-1}
.hero-poster,.hero-vid{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero-vid{opacity:0;transition:opacity .8s}.hero.playing .hero-vid{opacity:1}
.hero-shade{position:absolute;inset:0;background:radial-gradient(70% 60% at 50% 35%,rgba(10,10,11,calc(var(--hdim) * .6)),rgba(10,10,11,var(--hdim)) 70%),linear-gradient(180deg,rgba(10,10,11,calc(var(--hdim) * .5)),transparent 30%,rgba(10,10,11,calc(var(--hdim) + .15)))}
.hero-grid{position:absolute;inset:0;background:linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px) 0 0/64px 64px,linear-gradient(0deg,rgba(255,255,255,.05) 1px,transparent 1px) 0 0/64px 64px;-webkit-mask:radial-gradient(60% 60% at 50% 50%,transparent 40%,#000);mask:radial-gradient(60% 60% at 50% 50%,transparent 40%,#000)}
/* chưa có video & ảnh: đốm màu chuyển động nhẹ */
.hb{position:absolute;width:46%;aspect-ratio:1;border-radius:50%;filter:blur(70px);opacity:.65;animation:hbMove 16s ease-in-out infinite alternate}
.hb1{background:#2E9E5B;left:-8%;top:-12%}.hb2{background:#FF6FAE;right:-10%;top:10%;animation-delay:-5s}.hb3{background:#FFE27A;left:30%;bottom:-30%;opacity:.35;animation-delay:-10s}
@keyframes hbMove{to{transform:translate(12%,10%) scale(1.15)}}
.hero-txt{display:grid;justify-items:center;gap:clamp(12px,1.4vw,18px);text-align:center;max-width:980px;opacity:0;transform:translateY(16px);transition:opacity .7s,transform .7s cubic-bezier(.2,.8,.2,1)}
.hero.in .hero-txt{opacity:1;transform:none}
.hero-k{display:inline-flex;padding:7px 14px;border-radius:999px;background:rgba(255,255,255,.12);backdrop-filter:blur(8px);box-shadow:inset 0 0 0 1px rgba(255,255,255,.18);font-size:13px;font-weight:800;letter-spacing:.04em}
.hero-t{margin:0;font-size:clamp(36px,5.6vw,92px);line-height:.98;font-weight:900;letter-spacing:-.04em;text-wrap:balance;text-shadow:0 4px 30px rgba(0,0,0,.25)}
.hero-sw{position:relative;width:min(640px,100%);height:3.2em;font-size:clamp(15px,1.25vw,19px)}
.hero-s{position:absolute;inset:0;margin:0;line-height:1.55;color:rgba(255,255,255,.82);opacity:0;transform:translateY(6px);transition:opacity .25s,transform .25s;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.hero-s.on{opacity:1;transform:none}
.hero-btns{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-top:4px}
.hero-b1,.hero-b2{display:inline-flex;align-items:center;gap:8px;padding:14px 26px;border-radius:999px;font-weight:800;font-size:15.5px;transition:transform .15s,background .2s}
.hero-b1{background:#FFE27A;color:#1F2D24}.hero-b2{background:rgba(255,255,255,.12);color:#fff;backdrop-filter:blur(8px);box-shadow:inset 0 0 0 1px rgba(255,255,255,.25)}
.hero-b1:hover,.hero-b2:hover{transform:translateY(-2px)}.hero-b2:hover{background:rgba(255,255,255,.2)}
/* 4 thẻ xoè quạt ở đáy */
.hero-fan{position:relative;display:flex;justify-content:center;align-items:flex-end;width:100%;margin-top:clamp(28px,3vw,48px);height:clamp(190px,17vw,290px)}
.hero-c{--w:clamp(150px,14vw,250px);position:relative;flex:0 0 var(--w);margin:0 calc(var(--w) * -.09);height:100%;z-index:calc(10 - var(--o) * var(--o))}
.hero-ci{position:absolute;left:0;right:0;top:0;height:125%;display:flex;flex-direction:column;justify-content:flex-start;gap:6px;padding:clamp(14px,1.3vw,22px);border-radius:clamp(18px,1.6vw,28px) clamp(18px,1.6vw,28px) 0 0;text-align:left;overflow:hidden;
  background:radial-gradient(120% 70% at 20% 0%,color-mix(in srgb,var(--gc) 55%,#fff),transparent 60%),linear-gradient(165deg,color-mix(in srgb,var(--gc) 88%,#fff),var(--gc) 45%,color-mix(in srgb,var(--gc) 60%,#000));
  box-shadow:inset 0 1px 0 rgba(255,255,255,.35),0 -10px 40px -10px color-mix(in srgb,var(--gc) 60%,transparent);
  transform-origin:50% 120%;transform:translateY(60%) rotate(calc(var(--o) * 6deg));opacity:0;transition:transform .7s cubic-bezier(.2,.8,.2,1) var(--d),opacity .5s var(--d)}
.hero.in .hero-ci{transform:translateY(calc(var(--o) * var(--o) * 8px)) rotate(calc(var(--o) * 6deg));opacity:1}
.hero-ci img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-1}
.hero-ci:has(img)::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(0,0,0,.45),transparent 50%)}
.hero-ico{width:clamp(44px,3.6vw,60px);aspect-ratio:1;display:grid;place-items:center;border-radius:16px;background:rgba(255,255,255,.2);box-shadow:inset 0 0 0 1px rgba(255,255,255,.25);margin-bottom:6px}
.hero-ci b{font-size:clamp(17px,1.6vw,26px);font-weight:900;letter-spacing:-.02em}
.hero-ci small{font-size:12.5px;line-height:1.45;opacity:.85;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.hero-c:hover{z-index:20}
.hero.in .hero-c:hover .hero-ci{transform:translateY(-14%) rotate(calc(var(--o) * 3deg)) scale(1.06);transition-delay:0s;transition-duration:.45s}
.hero.hov .hero-c:not(:hover) .hero-ci{filter:brightness(.7) saturate(.8)}
.hero.in .hero-fan:hover .hero-c:not(:hover) .hero-ci{transform:translateY(calc(var(--o) * var(--o) * 8px + 8%)) rotate(calc(var(--o) * 8deg));transition-delay:0s;transition-duration:.45s}
@media (max-width:760px){
 .hero{min-height:0;padding:44px 16px 0}
 .hero-fan{height:150px}.hero-c{--w:118px}.hero-ci small{display:none}.hero-ci b{font-size:15px}
 .hero-sw{height:4.7em}.hero-s{-webkit-line-clamp:3}
}
@media (prefers-reduced-motion:reduce){.hb{animation:none}.hero-ci,.hero-txt{transition:none}}

/* có video: đầu trang tràn hết 2 bên màn hình (không bo góc); chỉ có ảnh: giữ khung thẳng với header */
.hx-hero.full{padding-top:0}
.hx-hero.full .hwide{max-width:none;padding:0}
.hx-hero.full .hero{border-radius:0;min-height:clamp(600px,min(92vh,56vw),980px);padding-left:max(clamp(18px,3vw,48px),calc((100vw - 1720px) / 2 + 56px));padding-right:max(clamp(18px,3vw,48px),calc((100vw - 1720px) / 2 + 56px))}