/* Phố Xe Điện: khung chung cho 2 web, màu đổi qua biến ở :root */
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{font-family:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;font-size:16px;line-height:1.65;color:var(--chu);background:#fff;padding-bottom:84px;overflow-x:hidden}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
h1,h2,h3,.bal{font-family:"Baloo 2","Be Vietnam Pro",system-ui,sans-serif;line-height:1.2;letter-spacing:-.2px}
.wrap{max-width:760px;margin:0 auto;padding:0 16px}
.wide{max-width:1120px}

/* Đầu trang dính */
.top{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.92);backdrop-filter:saturate(1.6) blur(10px);-webkit-backdrop-filter:saturate(1.6) blur(10px);border-bottom:1px solid transparent;transition:border-color .25s,box-shadow .25s}
.top.cuon{border-color:var(--vien);box-shadow:0 6px 18px rgba(20,30,40,.06)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;height:60px}
.logo{display:flex;align-items:center;gap:9px}
.logo svg{width:38px;height:34px;flex:none}
.logo b{display:block;font-family:"Baloo 2",sans-serif;font-weight:800;font-size:20px;line-height:1;color:var(--c1)}
.logo b i{font-style:normal;color:var(--c2)}
.logo small{display:block;font-size:9.5px;font-weight:600;letter-spacing:1.6px;color:var(--phu);text-transform:uppercase;margin-top:3px}
.nut-menu{width:42px;height:42px;border:0;border-radius:12px;background:var(--nen);display:grid;place-items:center;cursor:pointer}
.nut-menu span,.nut-menu span:before,.nut-menu span:after{display:block;width:18px;height:2px;border-radius:2px;background:var(--chu);position:relative;transition:.25s}
.nut-menu span:before,.nut-menu span:after{content:"";position:absolute;left:0}
.nut-menu span:before{top:-6px}.nut-menu span:after{top:6px}
.mo .nut-menu span{background:transparent}.mo .nut-menu span:before{top:0;transform:rotate(45deg)}.mo .nut-menu span:after{top:0;transform:rotate(-45deg)}
.ngan-menu{position:fixed;inset:60px 0 auto 0;background:#fff;border-bottom:1px solid var(--vien);box-shadow:0 20px 40px rgba(20,30,40,.12);transform:translateY(-12px);opacity:0;pointer-events:none;transition:.25s;z-index:39;max-height:calc(100vh - 60px);overflow:auto}
.mo .ngan-menu{transform:none;opacity:1;pointer-events:auto}
.ngan-menu a{display:flex;justify-content:space-between;padding:15px 16px;border-top:1px solid var(--vien);font-weight:600}
.ngan-menu a:after{content:"›";color:var(--c2);font-size:20px;line-height:1}
.ngan-menu .nho{font-size:13px;color:var(--phu);padding:14px 16px;border-top:1px solid var(--vien)}

/* Thanh chip cuộn ngang */
.chips{display:flex;gap:8px;overflow-x:auto;padding:14px 16px 4px;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.chips::-webkit-scrollbar{display:none}
.chip{flex:none;padding:8px 15px;border-radius:999px;background:var(--nen);border:1px solid var(--vien);font-size:14px;font-weight:600;white-space:nowrap;cursor:pointer;transition:.2s}
.chip.on,.chip:hover{background:var(--c1);border-color:var(--c1);color:#fff}

/* Hero */
.hero{position:relative;margin:14px 16px 0;border-radius:24px;padding:22px 18px 18px;color:#fff;background:var(--hero);overflow:hidden;isolation:isolate}
.hero .cau{position:absolute;border-radius:50%;filter:blur(30px);opacity:.55;z-index:-1;animation:troi 9s ease-in-out infinite alternate}
.hero .cau.a{width:180px;height:180px;background:var(--c2);top:-50px;right:-40px}
.hero .cau.b{width:150px;height:150px;background:#ffffff;opacity:.16;bottom:-40px;left:-30px;animation-duration:12s}
@keyframes troi{to{transform:translate(-30px,40px) scale(1.15)}}
.nhan{display:inline-block;font-size:12px;font-weight:700;padding:5px 11px;border-radius:999px;background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.25)}
.hero h1{font-size:31px;font-weight:800;margin:12px 0 8px}
.hero h1 em{font-style:normal;color:var(--nhan-hero)}
.hero p{font-size:15px;opacity:.92;max-width:520px}
.hinh-hero{position:relative;margin:16px 0 14px;border-radius:18px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);height:190px;display:grid;place-items:center;overflow:hidden}
.hinh-hero svg{width:82%;height:auto;animation:nhun 3.2s ease-in-out infinite}
@keyframes nhun{50%{transform:translateY(-5px)}}
.hinh-hero:after{content:"";position:absolute;top:0;left:-60%;width:40%;height:100%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.35),transparent);transform:skewX(-18deg);animation:quet 4.5s ease-in-out infinite}
@keyframes quet{0%,55%{left:-60%}100%{left:130%}}
.sticker{position:absolute;top:12px;right:12px;background:#ffd84d;color:#3a2a00;font-family:"Baloo 2",sans-serif;font-weight:800;font-size:14px;padding:4px 11px;border-radius:10px;transform:rotate(8deg) scale(0);animation:bat .6s .5s cubic-bezier(.3,1.6,.5,1) forwards;box-shadow:0 6px 14px rgba(0,0,0,.18)}
@keyframes bat{to{transform:rotate(8deg) scale(1)}}
.hang-nut{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:48px;padding:0 16px;border-radius:14px;font-weight:700;font-size:15px;border:0;cursor:pointer;transition:transform .15s,box-shadow .2s}
.btn:active{transform:scale(.97)}
.btn-chinh{background:var(--btn);color:#fff;box-shadow:0 8px 18px var(--bong)}
.btn-phu{background:rgba(255,255,255,.12);color:#fff;border:1.5px solid rgba(255,255,255,.55)}
.btn-trang{background:#fff;color:var(--c2d)}
.nhip{animation:nhip 2.4s ease-in-out infinite}
@keyframes nhip{0%,100%{transform:scale(1)}50%{transform:scale(1.04)}}

/* Khối */
section{margin-top:34px}
.tieude{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px}
.tieude h2{font-size:23px;font-weight:800;color:var(--c1);padding-left:12px;position:relative}
.tieude h2:before{content:"";position:absolute;left:0;top:4px;bottom:6px;width:4px;border-radius:4px;background:var(--c2)}
.tieude a{font-size:14px;font-weight:600;color:var(--c2d);white-space:nowrap}
.the{background:#fff;border:1px solid var(--vien);border-radius:18px;overflow:hidden}

/* Bảng giá */
.bang .dong{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:13px 16px;border-top:1px solid var(--vien)}
.bang .dau{background:var(--nen);font-size:12.5px;font-weight:700;color:var(--c1);border-top:0;padding:10px 16px}
.bang .ten{font-weight:600;font-size:15px}
.bang .ten small{display:block;font-weight:400;font-size:12.5px;color:var(--phu)}
.bang .gia{font-weight:800;color:var(--gia);white-space:nowrap;font-size:15px}
.bang .gia.lh{color:var(--c2d);font-weight:700}
.bang .chu-thich{font-size:12.5px;color:var(--phu);padding:12px 16px;border-top:1px solid var(--vien);background:var(--nen)}
.an{display:none!important}

/* Thẻ ngang */
.luot{display:flex;gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:6px;scrollbar-width:none}
.luot::-webkit-scrollbar{display:none}
.the-xe{flex:0 0 72%;max-width:250px;scroll-snap-align:start;transition:transform .25s,box-shadow .25s}
.the-xe:hover{transform:translateY(-4px);box-shadow:0 14px 26px rgba(20,30,40,.1)}
.the-xe .anh{height:120px;background:var(--nen);display:grid;place-items:center;overflow:hidden}
.the-xe .anh svg{width:70%;transition:transform .6s}
.the-xe:hover .anh svg{transform:scale(1.06)}
.the-xe .nd{padding:12px 14px 14px}
.the-xe h3{font-size:17px;font-weight:700}
.the-xe p{font-size:13px;color:var(--phu);margin-top:2px}
.the-xe .gia{font-weight:800;color:var(--c2d);font-size:14px;margin-top:6px}

/* Chọn xe giúp tôi */
.chon{background:var(--nen2);border:1px solid var(--vien);border-radius:18px;padding:18px 16px}
.chon h2{font-size:21px;color:var(--c1);font-weight:800}
.chon>p{font-size:14px;color:var(--phu);margin:2px 0 12px}
.chon .lua{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.chon .lua button{min-height:44px;border-radius:12px;border:1.5px solid var(--vien);background:#fff;font:inherit;font-weight:600;font-size:14px;cursor:pointer;transition:.2s}
.chon .lua button.on{border-color:var(--c2);color:var(--c2d);background:var(--nen)}
.goi-y{margin-top:12px;font-size:14.5px;background:#fff;border-radius:12px;padding:12px 14px;border:1px dashed var(--vien);display:none}
.goi-y.hien{display:block;animation:len .35s ease}
.goi-y a{color:var(--c2d);font-weight:700}
@keyframes len{from{opacity:0;transform:translateY(6px)}}

/* Danh sách bài */
.bai-to .anh{height:170px;background:var(--hero);display:grid;place-items:center;overflow:hidden}
.bai-to .anh svg{width:46%;opacity:.95;transition:transform .7s}
.bai-to:hover .anh svg{transform:scale(1.06)}
.bai-to .nd{padding:14px 16px 16px}
.muc{font-size:11.5px;font-weight:800;letter-spacing:.8px;text-transform:uppercase;color:var(--c2d)}
.bai-to h3{font-size:20px;margin:4px 0}
.meta{font-size:12.5px;color:var(--phu)}
.bai-nho{display:flex;gap:12px;padding:14px 0;border-bottom:1px solid var(--vien);align-items:flex-start}
.bai-nho .o{flex:0 0 72px;height:72px;border-radius:14px;background:var(--nen);display:grid;place-items:center;font-size:28px}
.bai-nho h3{font-size:16.5px;font-weight:700;margin:2px 0}

/* Hỏi đáp */
.hd details{border:1px solid var(--vien);border-radius:14px;margin-bottom:8px;background:#fff;overflow:hidden}
.hd summary{list-style:none;padding:14px 44px 14px 16px;font-weight:600;cursor:pointer;position:relative;font-size:15px}
.hd summary::-webkit-details-marker{display:none}
.hd summary:after{content:"+";position:absolute;right:16px;top:50%;transform:translateY(-50%);font-size:22px;color:var(--c2);transition:.2s}
.hd details[open] summary:after{transform:translateY(-50%) rotate(45deg)}
.hd details p{padding:0 16px 14px;font-size:15px;color:#3b4650}

/* Khối kêu gọi */
.keu{border-radius:20px;padding:20px 18px;color:#fff;background:var(--keu);position:relative;overflow:hidden}
.keu h2,.keu h3{font-size:21px;font-weight:800}
.keu p{font-size:14px;opacity:.92;margin:4px 0 14px}
.keu:after{content:"";position:absolute;width:160px;height:160px;border-radius:50%;background:rgba(255,255,255,.12);right:-50px;top:-60px}

/* Trang con */
.duong{font-size:13px;color:var(--phu);padding-top:14px}
.duong a{color:var(--phu)}.duong b{color:var(--c1);font-weight:600}
.dau-trang h1{font-size:30px;font-weight:800;color:var(--c1);margin:8px 0 8px}
.tac{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--phu)}
.tac .av{width:26px;height:26px;border-radius:50%;background:var(--c2);color:#fff;display:grid;place-items:center;font-weight:800;font-size:12px}
.nhanh{border:2px solid var(--c2);border-radius:16px;padding:14px 16px;margin:18px 0;background:var(--nen2)}
.nhanh b{font-family:"Baloo 2",sans-serif;font-size:17px;color:var(--c2d)}
.nhanh ul{margin:6px 0 0 18px}.nhanh li{margin:3px 0}
.muc-luc{background:var(--nen);border-radius:14px;padding:12px 16px;margin:18px 0;font-size:14.5px}
.muc-luc b{display:block;margin-bottom:4px}
.muc-luc a{display:block;padding:4px 0;color:var(--c1)}
.noi-dung h2{font-size:24px;color:var(--c1);margin:28px 0 10px;scroll-margin-top:76px}
.noi-dung h3{font-size:19px;margin:20px 0 6px}
.noi-dung p{margin:0 0 14px}
.noi-dung ul,.noi-dung ol{margin:0 0 14px 20px}.noi-dung li{margin:5px 0}
.noi-dung a{color:var(--c2d);font-weight:600;text-decoration:underline;text-underline-offset:3px}
.noi-dung table{width:100%;border-collapse:collapse;margin:0 0 16px;font-size:14.5px}
.noi-dung th,.noi-dung td{border:1px solid var(--vien);padding:9px 10px;text-align:left;vertical-align:top}
.noi-dung th{background:var(--nen);color:var(--c1)}
.cuon-bang{overflow-x:auto;margin:0 0 16px}
.cuon-bang table{margin:0;min-width:520px}
.hai-cot{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:0 0 16px}
.hai-cot div{border-radius:14px;padding:12px 14px;font-size:14.5px}
.hai-cot .cong{background:#e9f9dc}.hai-cot .tru{background:#fdeeee}
.hai-cot b{display:block;margin-bottom:4px}
.ky{margin:26px 0 0;padding:16px;border-radius:16px;background:var(--nen);font-size:14.5px}
.ky a{color:var(--c2d);font-weight:700}
.luu-y{font-size:13.5px;color:var(--phu);border-left:3px solid var(--c2);padding:4px 0 4px 12px;margin:0 0 14px}

/* Chân trang */
footer{margin-top:44px;background:var(--chan);color:#d7dde2;padding:26px 0 30px;font-size:14px}
footer .logo b{color:#fff}footer .logo small{color:#aab4bc}
footer p{margin-top:12px;opacity:.85}
footer nav{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:14px}
footer nav a{color:#fff;font-weight:600}

/* Thanh đáy */
.day{position:fixed;left:0;right:0;bottom:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-top:1px solid var(--vien);padding:10px 12px calc(10px + env(safe-area-inset-bottom));display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:8px}
.day a{min-height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;gap:7px;font-weight:700;font-size:14.5px}
.day .goi{background:var(--btn);color:#fff}
.day .goi i{width:9px;height:9px;border-radius:50%;background:#7dff9a;box-shadow:0 0 0 0 rgba(125,255,154,.8);animation:cham 1.6s infinite}
@keyframes cham{70%{box-shadow:0 0 0 9px rgba(125,255,154,0)}100%{box-shadow:0 0 0 0 rgba(125,255,154,0)}}
.day .zalo{background:#0068ff;color:#fff}
.day .xem{background:var(--nen);color:var(--chu);border:1px solid var(--vien)}

/* Hiện dần khi cuộn */
.hd-in{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.hd-in.vao{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}.hd-in{opacity:1;transform:none}.sticker{transform:rotate(8deg)}}

/* Máy tính */
@media (min-width:760px){
  body{padding-bottom:0}
  .hero{max-width:1088px;margin:22px auto 0;padding:40px;display:grid;grid-template-columns:1.1fr 1fr;gap:30px;align-items:center}
  .hero h1{font-size:46px}
  .hinh-hero{height:280px;margin:0;grid-row:1/4;grid-column:2}
  .hang-nut{max-width:420px}
  .chips{max-width:1120px;margin:0 auto}
  .the-xe{flex-basis:240px}
  .day{left:auto;right:20px;bottom:20px;width:440px;border-radius:20px;border:1px solid var(--vien);box-shadow:0 16px 40px rgba(20,30,40,.16)}
  .dau-trang h1{font-size:40px}
}
footer .cua-hang{margin-top:14px}footer .cua-hang ul{list-style:none;margin-top:6px}footer .cua-hang li{padding:6px 0;border-top:1px solid rgba(255,255,255,.1)}footer .cua-hang li b{display:block;color:#fff}footer .cua-hang a{color:#fff;text-decoration:underline}
.day button{min-height:48px;border-radius:14px;font:inherit;font-weight:700;font-size:14.5px;cursor:pointer}
/* Khung chat */
.chat{position:fixed;z-index:60;left:8px;right:8px;bottom:8px;max-height:min(78vh,620px);background:#fff;border-radius:22px;box-shadow:0 24px 60px rgba(10,20,30,.28);display:flex;flex-direction:column;overflow:hidden;transform:translateY(24px) scale(.97);opacity:0;pointer-events:none;transition:.28s cubic-bezier(.3,1.3,.5,1)}
.chat.mo{transform:none;opacity:1;pointer-events:auto}
.chat-dau{display:flex;align-items:center;gap:10px;padding:12px 14px;background:var(--hero);color:#fff}
.chat-av{width:40px;height:40px;border-radius:50%;background:#fff;color:var(--c2d);font-family:"Baloo 2",sans-serif;font-weight:800;font-size:20px;display:grid;place-items:center;flex:none}.chat-av svg{width:28px}
.chat-dau b{display:block;font-size:15px}.chat-dau small{font-size:12px;opacity:.85;display:flex;align-items:center;gap:6px}
.chat-dau small i{width:7px;height:7px;border-radius:50%;background:#7dff9a}
.chat-dong{margin-left:auto;width:36px;height:36px;border-radius:10px;border:0;background:rgba(255,255,255,.15);color:#fff;font-size:22px;cursor:pointer}
.chat-than{flex:1;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:8px;background:var(--nen);min-height:200px}
.tn{max-width:85%;padding:10px 13px;border-radius:16px;font-size:14.5px;line-height:1.5;animation:len .25s ease}
.tn.bot{background:#fff;border:1px solid var(--vien);border-bottom-left-radius:4px;align-self:flex-start}
.tn.toi{background:var(--c2);color:#fff;border-bottom-right-radius:4px;align-self:flex-end}
.tn a{color:var(--c2d);font-weight:700}
.dang-go{display:inline-flex;gap:4px}.dang-go i{width:6px;height:6px;border-radius:50%;background:var(--phu);animation:go 1s infinite}.dang-go i:nth-child(2){animation-delay:.15s}.dang-go i:nth-child(3){animation-delay:.3s}
@keyframes go{50%{opacity:.25;transform:translateY(-3px)}}
.chat-goi{display:flex;gap:6px;overflow-x:auto;padding:8px 10px;border-top:1px solid var(--vien);scrollbar-width:none}
.chat-goi button,.chat-goi a{flex:none;padding:7px 12px;border-radius:999px;border:1.5px solid var(--c2);background:#fff;color:var(--c2d);font:inherit;font-size:13.5px;font-weight:600;cursor:pointer}
.chat-o{display:flex;gap:8px;padding:10px;border-top:1px solid var(--vien)}
.chat-o input{flex:1;min-width:0;height:44px;border-radius:12px;border:1.5px solid var(--vien);padding:0 12px;font:inherit;font-size:16px}
.chat-o button{width:44px;height:44px;border-radius:12px;border:0;background:var(--btn);color:#fff;font-size:16px;cursor:pointer}
@media (min-width:760px){.chat{left:auto;right:20px;bottom:20px;width:380px}}
/* Bài Muse (Khung A) */
.bai-muse h1{font-size:30px;font-weight:800;color:var(--c1);margin:8px 0 8px;line-height:1.25}
.bai-muse .anh-bia{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;border-radius:16px;margin:10px 0 4px;background:var(--nen)}
.bai-muse .dong-tac-gia{font-size:13px;color:var(--phu);margin:0 0 6px}
.bai-muse .tra-loi-nhanh{border:2px solid var(--c2);border-radius:16px;padding:14px 16px;margin:18px 0;background:var(--nen2)}
.bai-muse .tra-loi-nhanh h2{font-size:17px;color:var(--c2d);margin:0 0 6px}
.bai-muse .tra-loi-nhanh ul{margin:6px 0 0 18px}
.bai-muse .muc-luc a{display:block}
.bai-muse h2{font-size:24px;color:var(--c1);margin:28px 0 10px;scroll-margin-top:76px}
.bai-muse h3{font-size:19px;margin:20px 0 6px}
.bai-muse p{margin:0 0 14px}
.bai-muse ul,.bai-muse ol{margin:0 0 14px 20px}
.bai-muse li{margin:5px 0}
.bai-muse a{color:var(--c2d);font-weight:600}
.bai-muse table{width:100%;border-collapse:collapse;margin:0 0 16px;font-size:14.5px;display:block;overflow-x:auto}
.bai-muse th,.bai-muse td{border:1px solid var(--vien);padding:9px 10px;text-align:left;vertical-align:top}
.bai-muse th{background:var(--nen);color:var(--c1)}
.bai-muse .hoi-dap details{border:1px solid var(--vien);border-radius:14px;margin-bottom:8px;background:#fff;overflow:hidden}
.bai-muse .hoi-dap summary{list-style:none;padding:14px 44px 14px 16px;font-weight:600;cursor:pointer;position:relative;font-size:15px}
.bai-muse .hoi-dap summary::-webkit-details-marker{display:none}
.bai-muse .hoi-dap summary:after{content:"+";position:absolute;right:16px;top:50%;transform:translateY(-50%);font-size:22px;color:var(--c2)}
.bai-muse .hoi-dap details[open] summary:after{transform:translateY(-50%) rotate(45deg)}
.bai-muse .hoi-dap details>*:not(summary){padding:0 16px 14px;margin:0}
.bai-muse .khoi-chot{border-radius:20px;padding:20px 18px;margin:22px 0;color:#fff;background:var(--keu)}
.bai-muse .khoi-chot h2,.bai-muse .khoi-chot h3{color:#fff;margin-top:0}
.bai-muse .khoi-chot a{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 16px;margin:6px 6px 0 0;border-radius:14px;background:#fff;color:var(--c1);text-decoration:none}
.bai-muse .khoi-chot a.nut-zalo{background:#0068ff;color:#fff}
.bai-muse .chu-ky{margin:26px 0 0;padding:16px;border-radius:16px;background:var(--nen);font-size:14.5px}
@media(min-width:900px){.bai-muse h1{font-size:40px}}