/* ===== CÁC TRANG NỘI DUNG (tin tức, giải pháp, học viện, dự án, trang tĩnh) =====
   Dùng token của site.css. Bo góc nhỏ, một màu nhấn xanh, mật độ vừa. */
.vh{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.bgc{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:13.5px;color:var(--mut);margin-bottom:18px}
.bgc a:hover{color:var(--blue-ink)}.bgc .ph{font-size:12px;opacity:.7}.bgc [aria-current]{color:var(--ink);font-weight:600}
section.p-sec{padding-block:clamp(34px,5vw,64px)}
.p-alt{background:color-mix(in srgb,var(--blue) 3.5%,var(--surface));border-block:1px solid var(--line)}

/* Đầu trang chuyên mục */
.p-hero{padding:34px 0 clamp(16px,2.5vw,28px);background:linear-gradient(180deg,color-mix(in srgb,var(--blue) 5%,var(--bg)),var(--bg))}
.p-hero-in{display:flex;justify-content:space-between;gap:30px;align-items:center}
.p-hero h1{font-size:clamp(1.8rem,4vw,2.8rem);max-width:22ch}
.p-lead{margin-top:14px;font-size:17px;max-width:62ch;color:var(--mut)}
.p-act{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}
.p-hero-ic{flex:none;width:96px;height:96px;display:grid;place-items:center;border-radius:var(--r2);background:var(--blue-s);color:var(--blue-ink);font-size:44px;box-shadow:inset 0 0 0 1px var(--blue-m)}

/* Bố cục hai cột: nội dung và thanh bên */
.p-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:clamp(22px,4vw,48px);align-items:start}
.p-side{position:sticky;top:100px;display:grid;gap:12px}
.p-art{padding-top:26px;padding-bottom:clamp(34px,5vw,64px)}
.p-narrow{max-width:760px;margin-inline:auto}
.p-head h1{font-size:clamp(1.7rem,3.6vw,2.5rem);margin-top:14px}
.p-meta{margin-top:12px;font-size:13.5px;color:var(--mut2)}
.p-tag{display:inline-block;margin-left:4px;padding:1px 8px;border:1px solid var(--line2);border-radius:var(--r);font-size:12px}
.p-chip{display:inline-flex;align-items:center;gap:6px;padding:3px 9px;border-radius:var(--r);font-size:12.5px;font-weight:600;color:color-mix(in srgb,var(--c,var(--blue)) 55%,var(--ink));background:color-mix(in srgb,var(--c,var(--blue)) 10%,var(--surface));box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--c,var(--blue)) 22%,transparent)}
.p-cover{margin:22px 0;border-radius:var(--r2);overflow:hidden;border:1px solid var(--line);background:var(--surface)}
.p-cover .p-cv{width:100%;height:auto;aspect-ratio:560/240}

/* Văn bản dài */
.prose{max-width:74ch;font-size:16.5px;line-height:1.75;color:var(--ink)}
.prose>*+*{margin-top:1em}
.prose h2{font-size:1.5rem;margin-top:1.9em;padding-top:.2em;scroll-margin-top:96px}
.prose h3{font-size:1.18rem;margin-top:1.5em;scroll-margin-top:96px}
.prose p,.prose li{color:var(--ink)}
.prose p{color:color-mix(in srgb,var(--ink) 88%,var(--bg))}
.prose a{color:var(--blue-ink);text-decoration:underline;text-underline-offset:3px;text-decoration-color:var(--blue-m)}
.prose a:hover{text-decoration-color:var(--blue)}
.prose ul,.prose ol{padding-left:1.35em}
.prose ul{list-style:disc}.prose ol{list-style:decimal}
.prose li{margin-top:.45em;padding-left:.2em}
.prose li::marker{color:var(--blue-ink)}
.prose ul:has(input[type=checkbox]){list-style:none;padding-left:0}
.prose li:has(>input[type=checkbox]){display:flex;gap:10px;align-items:flex-start}
.prose input[type=checkbox]{margin-top:.5em;accent-color:var(--blue);width:16px;height:16px;flex:none}
.prose blockquote{padding:12px 16px;background:var(--blue-s);border-radius:var(--r)}
.prose blockquote p{color:var(--ink)}
.prose code{font:500 .9em ui-monospace,Menlo,Consolas,monospace;padding:1px 6px;border-radius:3px;background:var(--soft)}
.prose hr{border:0;border-top:1px solid var(--line);margin:2em 0}
.tbl{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r2);background:var(--surface)}
.prose table{width:100%;border-collapse:collapse;font-size:14.5px}
.prose th,.prose td{padding:9px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;line-height:1.5}
.prose th{background:var(--soft);font-size:13px}
.prose tr:last-child td{border-bottom:0}

/* Khối phụ */
.p-cta{margin-top:2.2em;display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;padding:18px 20px;border:1px dashed var(--line2);border-radius:var(--r2);background:var(--surface)}
.p-cta b{font-size:1.05rem}.p-cta p{font-size:14.5px;margin-top:4px;max-width:56ch}
.p-toc,.p-box{padding:16px;border:1px solid var(--line);border-radius:var(--r2);background:var(--surface)}
.p-toc b,.p-box b{display:block;font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--mut);margin-bottom:10px}
.p-toc ul,.p-links{display:grid;gap:7px;font-size:14.5px}
.p-toc a,.p-links a{color:var(--mut)}.p-toc a:hover,.p-links a:hover{color:var(--blue-ink)}
.p-box p{font-size:14.5px;margin-bottom:12px}
.p-chips{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:10px}
.p-chips li{font-size:13px;padding:4px 10px;border-radius:var(--r);background:var(--soft);color:var(--mut)}
.p-rel{margin-top:clamp(30px,5vw,56px);padding-top:26px;border-top:1px solid var(--line)}
.p-rel h2{font-size:1.4rem;margin-bottom:16px}

/* Hỏi đáp dạng thu gọn */
.p-faq{margin-top:2.2em;scroll-margin-top:96px}
.p-faq h2{font-size:1.4rem;margin-bottom:12px}
.p-faq details{border:1px solid var(--line);border-radius:var(--r2);background:var(--surface);margin-top:8px;transition:border-color .3s}
.p-faq details[open]{border-color:var(--blue-m)}
.p-faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:14px;padding:13px 16px;font-weight:600}
.p-faq summary::-webkit-details-marker{display:none}
.p-faq summary .ph{flex:none;color:var(--blue-ink);transition:transform .4s var(--ease)}
.p-faq details[open] summary .ph{transform:rotate(180deg)}
.p-ans{padding:0 16px 14px}.p-ans>*+*{margin-top:.7em}.p-ans p{color:var(--ink)}
.p-ans a{color:var(--blue-ink);text-decoration:underline}

/* Lưới thẻ */
.p-grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.p-grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.p-card{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--r2);background:var(--surface);overflow:hidden;transition:transform .5s var(--ease),box-shadow .5s var(--ease),border-color .3s}
.p-card:hover{transform:translateY(-4px);box-shadow:var(--sh);border-color:var(--blue-m)}
.p-cvw{display:block;border-bottom:1px solid var(--line);background:var(--soft)}
.p-cvw img{width:100%;height:auto;aspect-ratio:560/240;object-fit:cover}
.p-proj .p-cvw img{aspect-ratio:8/5;object-position:top}
.p-cb{padding:14px 16px 16px;display:flex;flex-direction:column;gap:8px;flex:1}
.p-cb h3{font-size:1.08rem;line-height:1.3}.p-cb h3 a:hover{color:var(--blue-ink)}
.p-cb p{font-size:14.5px}.p-cb small{margin-top:auto;color:var(--mut2);font-size:13px}
.p-tabs{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:20px}
.p-tabs a{display:inline-flex;gap:7px;align-items:center;padding:7px 12px;border:1px solid var(--line);border-radius:var(--r);background:var(--surface);font-weight:600;font-size:14px;transition:border-color .3s,color .3s}
.p-tabs a b{font-size:12px;color:var(--mut2)}
.p-tabs a:hover{border-color:var(--blue);color:var(--blue-ink)}
.p-tabs a[aria-current]{background:var(--blue);border-color:var(--blue);color:#fff}.p-tabs a[aria-current] b{color:rgb(255 255 255/.8)}

/* Thẻ giải pháp */
.p-sols{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.p-sol{display:flex;gap:13px;align-items:center;padding:14px 16px;border:1px solid var(--line);border-radius:var(--r2);background:var(--surface);transition:transform .5s var(--ease),box-shadow .5s var(--ease),border-color .3s}
.p-sol:hover{transform:translateY(-3px);box-shadow:var(--sh);border-color:var(--c,var(--blue))}
.p-sol>span{flex:1;min-width:0}.p-sol b{display:block}.p-sol small{display:block;color:var(--mut);font-size:13.5px;line-height:1.4;margin-top:2px}
.p-sol .go{color:var(--mut2);transition:transform .4s var(--ease),color .3s}.p-sol:hover .go{transform:translateX(3px);color:var(--c,var(--blue))}

/* Dự án */
.p-st{display:inline-block;align-self:flex-start;padding:2px 9px;border-radius:var(--r);font-size:12px;font-weight:700}
.p-st.on{background:color-mix(in srgb,var(--teal) 14%,var(--surface));color:color-mix(in srgb,var(--teal) 55%,var(--ink))}
.p-st.tr{background:color-mix(in srgb,var(--amber) 22%,var(--surface));color:#8a5a00}
:root[data-theme="dark"] .p-st.tr{color:var(--amber)}
.p-projl{display:grid;grid-template-columns:minmax(0,420px) minmax(0,1fr);gap:clamp(22px,4vw,48px);align-items:start}
.p-dev{border:1px solid var(--line);border-radius:var(--r2);background:var(--surface);overflow:hidden;box-shadow:var(--sh)}
.p-dev-bar{display:flex;align-items:center;gap:5px;padding:9px 12px;border-bottom:1px solid var(--line);background:var(--soft);font-size:12.5px}
.p-dev-bar i{width:9px;height:9px;border-radius:50%;background:var(--line2)}.p-dev-bar span{margin-left:8px;font-weight:600}.p-dev-bar em{margin-left:auto;font-style:normal}
.p-dev-s{max-height:560px;overflow:auto}.p-dev-s img{width:100%;height:auto}
.p-facts{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:22px}
.p-facts>div{padding:12px 14px;border:1px solid var(--line);border-radius:var(--r2);background:var(--surface)}
.p-facts dt{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--mut2)}.p-facts dd{margin-top:3px;font-weight:600;line-height:1.4}

/* Học viện */
.p-paths{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,330px),1fr));gap:14px}
.p-path{display:flex;flex-direction:column;gap:12px;padding:18px;border:1px solid var(--line);border-radius:var(--r2);background:var(--surface)}
.p-ph{display:flex;gap:12px;align-items:center}.p-ph h3{font-size:1.15rem}.p-ph h3 a:hover{color:var(--blue-ink)}.p-ph small{color:var(--mut2)}
.p-path>p{font-size:14.5px}
.p-list{display:grid;gap:2px;font-size:14.5px;flex:1;align-content:start}
.p-list li a{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:7px 8px;border-radius:var(--r);color:var(--ink)}
.p-list li a:hover{background:var(--blue-s);color:var(--blue-ink)}
.p-ok{display:none;color:var(--teal);flex:none}.done .p-ok{display:inline-block}
.p-prog{display:grid;gap:5px}.p-prog small{color:var(--mut2);font-size:13px}
.p-bar{display:block;height:6px;border-radius:3px;background:var(--soft);overflow:hidden}.p-bar i{display:block;height:100%;width:0;background:var(--c,var(--blue));transition:width .6s var(--ease)}
.p-prog-l{margin:22px 0 14px;max-width:74ch}
.p-lessons{display:grid;gap:8px;max-width:74ch}
.p-lessons li a{display:grid;grid-template-columns:34px 1fr auto auto;gap:14px;align-items:center;padding:13px 14px;border:1px solid var(--line);border-radius:var(--r2);background:var(--surface);transition:border-color .3s,transform .4s var(--ease)}
.p-lessons li a:hover{border-color:var(--blue);transform:translateX(3px)}
.p-n{width:30px;height:30px;display:grid;place-items:center;border-radius:var(--r);background:var(--blue-s);color:var(--blue-ink);font-weight:700;font-size:14px;flex:none}
.done .p-n{background:var(--teal);color:#fff}
.p-lt b{display:block;line-height:1.3}.p-lt small{display:block;color:var(--mut);font-size:13.5px;margin-top:2px;line-height:1.4}.p-min{font-size:13px;color:var(--mut2);white-space:nowrap}
.p-how{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.p-how>div{padding:16px;border:1px solid var(--line);border-radius:var(--r2);background:var(--surface);display:grid;gap:8px;align-content:start}.p-how p{font-size:14.5px}
.p-lesson{display:grid;grid-template-columns:260px minmax(0,1fr) 260px;gap:clamp(18px,3vw,36px);align-items:start;padding-bottom:clamp(30px,5vw,60px)}
.p-lnav{position:sticky;top:100px;padding:14px;border:1px solid var(--line);border-radius:var(--r2);background:var(--surface);display:grid;gap:12px}
.p-lnav>b{font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--mut)}
.p-lnav ol{display:grid;gap:2px}
.p-lnav a{display:grid;grid-template-columns:26px 1fr auto;gap:8px;align-items:center;padding:7px 6px;border-radius:var(--r);font-size:14px;line-height:1.35;color:var(--mut)}
.p-lnav a:hover{background:var(--blue-s);color:var(--blue-ink)}
.p-lnav .cur a{background:var(--blue-s);color:var(--blue-ink);font-weight:600}
.p-lnav .p-n{width:24px;height:24px;font-size:12px}
.p-goals{margin:20px 0;padding:14px 16px;border:1px solid var(--blue-m);background:var(--blue-s);border-radius:var(--r2)}
.p-goals b{font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--blue-ink)}
.p-goals ul{display:grid;gap:6px;margin-top:8px}.p-goals li{display:flex;gap:8px;align-items:flex-start;color:var(--ink)}.p-goals .ph{color:var(--blue-ink);margin-top:4px}
.p-done{margin:2em 0 1em}
.p-done .is-done{background:var(--teal);box-shadow:none}
.p-pn{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:1.4em}
.p-pn a{display:block;padding:12px 14px;border:1px solid var(--line);border-radius:var(--r2);background:var(--surface);font-weight:600;transition:border-color .3s}
.p-pn a:hover{border-color:var(--blue)}.p-pn small{display:block;font-weight:400;color:var(--mut2);font-size:12.5px}.p-pn .n{text-align:right}

/* Liên hệ */
.p-contact{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,460px);gap:clamp(22px,4vw,48px);align-items:start}
.p-cards{display:grid;gap:10px;margin-top:22px}
.p-cards a{display:flex;gap:13px;align-items:center;padding:14px 16px;border:1px solid var(--line);border-radius:var(--r2);background:var(--surface);transition:border-color .3s,transform .4s var(--ease)}
.p-cards a:hover{border-color:var(--blue);transform:translateY(-2px)}.p-cards .ph{font-size:24px;color:var(--blue-ink)}
.p-cards b{display:block}.p-cards small{color:var(--mut);font-size:13.5px}
.p-form{display:grid;gap:12px;padding:20px;border:1px solid var(--line);border-radius:var(--r2);background:var(--surface);box-shadow:var(--sh)}
.p-form h2{font-size:1.25rem}
.p-form .row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.consent{font-size:12.5px;color:var(--mut2)}.consent a{color:var(--blue-ink);text-decoration:underline}
.ok.fail{border-color:var(--err);background:color-mix(in srgb,var(--err) 8%,var(--surface))}

/* Tìm kiếm */
.p-search{display:flex;gap:8px}.p-search input{flex:1;padding:11px 14px;border:1px solid var(--line2);border-radius:var(--r);background:var(--surface);font-size:16px}
.p-search input:focus{outline:2px solid var(--blue);outline-offset:1px}
.p-res{display:grid;gap:8px;margin-top:18px}
.p-hit{display:grid;gap:2px;padding:12px 14px;border:1px solid var(--line);border-radius:var(--r2);background:var(--surface);transition:border-color .3s}
.p-hit:hover{border-color:var(--blue)}.p-hit small{font-size:12px;color:var(--blue-ink);font-weight:700;letter-spacing:.06em;text-transform:uppercase}.p-hit span{font-size:14.5px;color:var(--mut)}

@media (max-width:1060px){.p-lesson{grid-template-columns:240px minmax(0,1fr)}.p-lesson>.p-side{display:none}.p-grid3,.p-sols{grid-template-columns:repeat(2,1fr)}.p-how{grid-template-columns:repeat(2,1fr)}}
@media (max-width:860px){.p-layout,.p-projl,.p-contact{grid-template-columns:1fr}.p-side{position:static}.p-lesson{grid-template-columns:1fr}.p-lnav{position:static}.p-hero-ic{display:none}.p-grid2{grid-template-columns:1fr}}
@media (max-width:620px){.p-grid3,.p-sols,.p-how,.p-facts{grid-template-columns:1fr}.p-form .row2{grid-template-columns:1fr}.p-lessons li a{grid-template-columns:30px 1fr auto}.p-lessons .p-min{display:none}.p-pn{grid-template-columns:1fr}.prose{font-size:16px}}

/* ===== Trang giới thiệu dạng landing ===== */
.p-ab{padding-block:clamp(38px,5.5vw,72px)}
.p-ab .sh{margin-bottom:26px}
.p-ab-hero{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:clamp(22px,4vw,56px);align-items:center}
.p-hero-ab h1{font-size:clamp(2rem,4.6vw,3.3rem);max-width:20ch}
.p-ab-facts{display:grid;gap:10px}
.p-ab-facts li{display:flex;gap:14px;align-items:center;padding:14px 16px;border:1px solid var(--line);border-radius:var(--r2);background:var(--surface);box-shadow:var(--sh)}
.p-ab-facts .ph{font-size:24px;color:var(--blue-ink);flex:none}
.p-ab-facts b{display:block}.p-ab-facts small{color:var(--mut);font-size:13.5px}
.p-ab-lead{max-width:70ch;margin-bottom:22px}
.p-vals{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.p-val{display:grid;gap:8px;align-content:start;padding:18px;border:1px solid var(--line);border-radius:var(--r2);background:var(--surface);transition:transform .5s var(--ease),box-shadow .5s var(--ease)}
.p-val:hover{transform:translateY(-3px);box-shadow:var(--sh)}
.p-val b{font-size:1.08rem}.p-val p{font-size:14.5px}.p-val p a{color:var(--blue-ink);text-decoration:underline}
.p-moc{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;counter-reset:m}
.p-moc li{display:flex;gap:14px;align-items:flex-start;padding:16px;border:1px solid var(--line);border-radius:var(--r2);background:var(--surface)}
.p-mn{flex:none;width:34px;height:34px;display:grid;place-items:center;border-radius:var(--r);background:var(--blue);color:#fff;font-weight:700}
.p-moc b{display:block;margin-bottom:4px}.p-moc p{font-size:14.5px}
.p-doi{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.p-dc{padding:22px;border:1px solid var(--line);border-radius:var(--r2);background:var(--surface)}
.p-dc h3{font-size:1.25rem;margin-bottom:10px}
.p-dc .prose{font-size:16px}
@media (max-width:1000px){.p-ab-hero,.p-doi{grid-template-columns:1fr}.p-vals,.p-moc{grid-template-columns:repeat(2,1fr)}}
@media (max-width:620px){.p-vals,.p-moc{grid-template-columns:1fr}}

/* ===== Bản nâng cấp: hình minh hoạ đầu trang, khối màu, thẻ tính năng, bước, biểu mẫu ===== */
.p-hero{position:relative;overflow:hidden;padding:34px 0 clamp(26px,4vw,48px);background:radial-gradient(760px 420px at 85% 0%,color-mix(in srgb,var(--blue) 13%,transparent),transparent 70%),radial-gradient(520px 320px at 0% 100%,color-mix(in srgb,var(--blue) 6%,transparent),transparent 70%),var(--bg)}
.p-hero::after{content:"";position:absolute;inset:0;pointer-events:none;background-image:radial-gradient(color-mix(in srgb,var(--blue) 24%,transparent) 1px,transparent 1.2px);background-size:22px 22px;mask-image:radial-gradient(480px 300px at 92% 40%,#000,transparent 75%);-webkit-mask-image:radial-gradient(480px 300px at 92% 40%,#000,transparent 75%);opacity:.7}
.p-hero .wrap{position:relative;z-index:1}
.p-hero-v .p-hero-in{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.02fr);gap:clamp(22px,4vw,56px);align-items:center}
.p-hero-v h1{font-size:clamp(2rem,4.2vw,3.3rem);max-width:17ch;letter-spacing:-.035em}
.p-hero-v .p-lead{font-size:clamp(16px,1.5vw,18px)}
.devs.v-fix{width:100%;max-width:560px;justify-self:end}
.dv .bw span{margin-left:6px;font-size:10.5px;color:var(--mut);align-self:center;line-height:1}
.dv img{object-position:top}

.devs.v-fix:has(.v-panel){aspect-ratio:auto;padding:34px 0 20px}
.v-panel{position:relative;margin-left:3%;width:84%;z-index:2;background:var(--surface);border:1px solid var(--line);border-radius:var(--r2);box-shadow:0 34px 56px -30px rgb(15 23 48/.5);overflow:hidden}
.v-panel .bw{display:flex;align-items:center;gap:4px;padding:8px 10px;background:var(--soft);border-bottom:1px solid var(--line)}
.v-panel .bw i{width:6px;height:6px;border-radius:50%;background:var(--line2)}.v-panel .bw span{margin-left:6px;font-size:11px;color:var(--mut)}
.v-panel ul{display:grid;gap:8px;padding:14px}
.v-panel li{display:flex;align-items:center;gap:11px;padding:9px 11px;border:1px solid var(--line);border-radius:var(--r);background:color-mix(in srgb,var(--c) 5%,var(--surface))}
.v-panel li b{flex:1;font-size:13.5px;line-height:1.3}.v-panel li .ok{display:inline-block;color:var(--teal);font-size:18px}
.v-panel .it{width:30px;height:30px;font-size:16px}

.v-stats{display:grid;grid-template-columns:1fr 1fr;gap:12px;max-width:520px;justify-self:end;width:100%;padding-bottom:18px}
.v-st{display:grid;gap:4px;align-content:start;padding:16px 16px 14px;border:1px solid var(--line);border-radius:var(--r2);background:color-mix(in srgb,var(--surface) 94%,transparent);box-shadow:var(--sh)}
.v-st:nth-child(even){transform:translateY(18px)}
.v-st b{font-size:clamp(1.9rem,3.4vw,2.7rem);line-height:1;letter-spacing:-.04em;color:color-mix(in srgb,var(--c) 55%,var(--ink));font-variant-numeric:tabular-nums;margin-top:8px}
.v-st span{font-size:13.5px;color:var(--mut);line-height:1.4}

.v-strip{margin-block:8px 0}
.v-strip ul{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:var(--r2);background:var(--surface);box-shadow:var(--sh);overflow:hidden}
.v-strip li{display:flex;gap:12px;align-items:flex-start;padding:16px 18px;border-left:1px solid var(--line)}.v-strip li:first-child{border-left:0}
.v-strip b{display:block;font-size:14.5px;line-height:1.3}.v-strip small{display:block;color:var(--mut);font-size:13px;line-height:1.4;margin-top:2px}

.v-sh{margin-bottom:24px}.v-sh h2{font-size:clamp(1.6rem,3vw,2.3rem)}.v-sh .prose{margin-top:10px;font-size:16px}
.v-sec .prose{max-width:72ch}
.v-intro .wrap{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:clamp(22px,4vw,56px);align-items:start}
.v-intro .prose{font-size:17.5px}
.v-jump{display:grid;gap:2px;padding:14px;border:1px solid var(--line);border-radius:var(--r2);background:var(--surface)}
.v-jump span{font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--mut);margin-bottom:6px}
.v-jump a{padding:7px 8px;border-radius:var(--r);font-size:14.5px;color:var(--mut);transition:background-color .3s,color .3s}.v-jump a:hover{background:var(--blue-s);color:var(--blue-ink)}
.v-two{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.4fr);gap:clamp(20px,4vw,56px);align-items:start}
.v-two h2{font-size:clamp(1.6rem,3vw,2.3rem);position:sticky;top:100px}
.v-after{margin-top:20px}

.v-tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.v-tiles li{display:grid;gap:8px;align-content:start;padding:18px;border:1px solid var(--line);border-radius:var(--r2);background:var(--surface);transition:transform .5s var(--ease),box-shadow .5s var(--ease)}
.v-tiles li:hover{transform:translateY(-3px);box-shadow:var(--sh)}
.v-tiles .it{width:42px;height:42px;font-size:22px;margin-bottom:4px}
.v-tiles b{font-size:1.05rem;line-height:1.3}.v-tiles p{font-size:14.5px;color:var(--mut)}.v-tiles p a{color:var(--blue-ink);text-decoration:underline}

.v-steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,230px),1fr));gap:12px}
.v-steps li{position:relative;display:grid;gap:10px;align-content:start;padding:18px;border:1px solid var(--line);border-radius:var(--r2);background:var(--surface)}
.v-sn{width:34px;height:34px;display:grid;place-items:center;border-radius:var(--r);background:var(--blue);color:#fff;font-weight:700;box-shadow:0 10px 18px -10px rgb(47 84 235/.8)}
.v-steps li>div{font-size:14.5px;line-height:1.6;color:var(--ink)}.v-steps li>div a{color:var(--blue-ink);text-decoration:underline}

.v-band{position:relative;overflow:hidden;padding-block:clamp(44px,6vw,80px);background:var(--blue);color:#fff}
.v-band::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgb(255 255 255/.2) 1px,transparent 1.2px);background-size:20px 20px;mask-image:radial-gradient(520px 320px at 100% 0%,#000,transparent);-webkit-mask-image:radial-gradient(520px 320px at 100% 0%,#000,transparent)}
.v-band::after{content:"";position:absolute;width:360px;height:360px;border-radius:50%;border:1px solid rgb(255 255 255/.22);left:-150px;bottom:-190px;box-shadow:0 0 0 46px rgb(255 255 255/.05)}
.v-band .wrap{position:relative;z-index:1}
.v-band-h{display:flex;justify-content:space-between;align-items:flex-end;gap:18px;flex-wrap:wrap;margin-bottom:26px}
.v-band h2{color:#fff;font-size:clamp(1.7rem,3.2vw,2.5rem)}
.v-apps{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.v-apps li{display:grid;gap:6px;align-content:start;padding:16px;border:1px solid rgb(255 255 255/.26);border-radius:var(--r2);background:rgb(255 255 255/.1);transition:background-color .3s,transform .5s var(--ease)}
.v-apps li:hover{background:rgb(255 255 255/.18);transform:translateY(-3px)}
.v-apps .it{background:#fff;color:#2442C7;box-shadow:none}
.v-apps b{font-size:1.02rem;line-height:1.3;margin-top:4px}.v-apps p{font-size:14px;color:rgb(255 255 255/.86);line-height:1.5}

.v-price{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:clamp(20px,4vw,48px);align-items:start}
.v-price h2{font-size:clamp(1.6rem,3vw,2.3rem);margin-bottom:14px}
.v-price aside{display:grid;gap:10px;padding:20px;border:1px solid var(--blue-m);border-radius:var(--r2);background:var(--blue-s);position:sticky;top:100px}
.v-price aside b{font-size:1.1rem}.v-price aside p{font-size:14.5px}.v-price aside .btn{justify-self:start}

.v-faq-w{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.4fr);gap:clamp(20px,4vw,56px);align-items:start}
.v-faq-w>div:first-child{position:sticky;top:100px;display:grid;gap:12px;justify-items:start}
.v-faq-w h2{font-size:clamp(1.6rem,3vw,2.3rem)}
.v-faq-w .p-faq{margin-top:0}

.v-form{padding-block:clamp(40px,6vw,76px)}
.v-form .ct h2{max-width:14ch}
.p-sol.v-sol{align-items:flex-start}.v-sol .it{width:42px;height:42px;font-size:22px}
.v-sol .go{align-self:center}
.v-ap{display:flex;flex-wrap:wrap;gap:5px;margin-top:9px}.v-ap i{font-style:normal;font-size:12px;padding:2px 8px;border-radius:var(--r);background:var(--soft);color:var(--mut)}

@media (max-width:1060px){.v-apps,.v-tiles{grid-template-columns:repeat(2,1fr)}.v-strip ul{grid-template-columns:1fr 1fr}.v-strip li:nth-child(3){border-left:0}.v-strip li:nth-child(n+3){border-top:1px solid var(--line)}}
@media (max-width:860px){
  .p-hero-v .p-hero-in,.v-intro .wrap,.v-two,.v-price,.v-faq-w{grid-template-columns:1fr}
  .devs.v-fix,.v-stats{justify-self:stretch;max-width:560px;margin-inline:auto}
  .v-two h2,.v-price aside,.v-faq-w>div:first-child{position:static}
  .v-st:nth-child(even){transform:none}.v-stats{padding-bottom:0}
}
@media (max-width:620px){
  .v-apps,.v-tiles{grid-template-columns:1fr}.v-strip ul{grid-template-columns:1fr}.v-strip li{border-left:0;border-top:1px solid var(--line)}.v-strip li:first-child{border-top:0}
  .v-band-h{align-items:flex-start}.v-stats{gap:10px}.v-st{padding:13px}.v-st b{font-size:1.8rem}
  .devs.v-fix .fc{display:none}
  .p-hero-v h1{max-width:none}
}

.v-one .d1{width:92%;left:4%;top:16%}

/* ===== Bản 3: sân khấu hình minh hoạ, thẻ tính năng lớn, danh sách kiểm, dòng thời gian (không dùng viền màu trên thẻ) ===== */
.v-hero{position:relative;overflow:hidden;padding:30px 0 clamp(34px,5vw,64px);background:radial-gradient(900px 480px at 50% -10%,color-mix(in srgb,var(--blue) 14%,transparent),transparent 72%),var(--bg)}
.v-hero::after{content:"";position:absolute;inset:0;pointer-events:none;background-image:radial-gradient(color-mix(in srgb,var(--blue) 22%,transparent) 1px,transparent 1.2px);background-size:22px 22px;mask-image:radial-gradient(640px 280px at 50% 0%,#000,transparent 75%);-webkit-mask-image:radial-gradient(640px 280px at 50% 0%,#000,transparent 75%);opacity:.6}
.v-hero .wrap{position:relative;z-index:1}
.v-hero-t{max-width:860px;margin:clamp(14px,3vw,34px) auto 0;text-align:center;display:grid;justify-items:center;gap:14px}
.v-hero-t .eyebrow{justify-self:center}
.v-hero-t h1{font-size:clamp(2.1rem,5vw,3.9rem);letter-spacing:-.04em;line-height:1.06;max-width:20ch;color:var(--blue-ink)}
:root[data-theme="dark"] .v-hero-t h1{color:#9db6ff}
.v-hero-t .p-lead{margin:0;font-size:clamp(16px,1.6vw,19px);max-width:56ch}
.v-hero-t .p-act{justify-content:center;margin-top:8px}
.v-plat{display:flex;align-items:center;justify-content:center;gap:6px 18px;flex-wrap:wrap;margin:26px 0 26px}
.v-plat p{font-size:13.5px;font-weight:500;margin-right:4px}
.v-stage{position:relative;display:grid;grid-template-columns:1fr 1.25fr 1fr;gap:clamp(10px,2vw,26px);align-items:center;padding:clamp(18px,3vw,38px);border-radius:var(--r2);background:linear-gradient(140deg,var(--blue) 0%,color-mix(in srgb,var(--sky) 62%,var(--blue)) 100%);box-shadow:0 40px 70px -40px rgb(47 84 235/.7);overflow:hidden}
.v-stage::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgb(255 255 255/.22) 1px,transparent 1.2px);background-size:20px 20px;mask-image:radial-gradient(520px 300px at 100% 0%,#000,transparent);-webkit-mask-image:radial-gradient(520px 300px at 100% 0%,#000,transparent)}
.v-stage::after{content:"";position:absolute;width:420px;height:420px;border-radius:50%;border:1px solid rgb(255 255 255/.22);left:-160px;bottom:-240px;box-shadow:0 0 0 50px rgb(255 255 255/.05)}
.v-stage>div{position:relative;z-index:1;min-width:0}
.v-stage .mkx{background:none;min-height:0}
.v-stage .mk-cap{color:#fff}

/* Khung hình minh hoạ giao diện */
.mkx{position:relative;display:grid;align-content:center;justify-items:center;min-height:340px;padding:24px 18px 38px;border-radius:var(--r2);background:linear-gradient(160deg,color-mix(in srgb,var(--sky) 24%,var(--surface)),color-mix(in srgb,var(--blue) 7%,var(--surface)));overflow:hidden}
.mk-cap{position:absolute;left:14px;bottom:10px;font-size:12px;letter-spacing:.04em;color:var(--mut2)}
.mk-c{background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:var(--r2);box-shadow:0 22px 40px -22px rgb(15 23 48/.45);text-align:left}
.mk-c.mk-w{width:min(100%,330px);padding:14px;display:grid;gap:10px}
.mk-c.mk-f{position:relative;justify-self:end;margin:-8px 4px 0 0;display:flex;gap:10px;align-items:center;padding:9px 12px;font-size:13px;line-height:1.3;z-index:3;animation:float 7s ease-in-out infinite}
.mk-c.mk-f small{display:block;color:var(--mut);font-size:12px;font-weight:400}.mk-c.mk-f .it{width:28px;height:28px;font-size:15px}
.mk-h{display:flex;align-items:center;gap:8px;font-size:14px}.mk-h .ph{color:var(--blue-ink);font-size:18px}.mk-h em{margin-left:auto;font-style:normal;font-size:11px;color:var(--mut2)}
.mk-sk{display:block;height:8px;border-radius:3px;background:var(--soft)}
.mk-lines{display:grid;gap:7px}
.mk-btn{display:block;text-align:center;padding:9px 12px;border-radius:var(--r);background:var(--blue);color:#fff;font-size:13px;font-weight:600}.mk-btn.sm{display:inline-block;padding:6px 12px;font-size:12px}
.mk-chip{display:inline-block;padding:4px 9px;border-radius:var(--r);background:var(--blue-s);color:var(--blue-ink);font-size:12px;font-weight:600;white-space:nowrap}
.mk-days{display:grid;grid-template-columns:repeat(7,1fr);gap:4px}.mk-days span{padding:6px 0;text-align:center;font-size:12px;border-radius:var(--r);background:var(--soft);color:var(--mut)}.mk-days .on{background:var(--blue);color:#fff}
.mk-two{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.mk-big{display:flex;flex-direction:column;align-items:center;gap:4px;padding:12px 6px;border:1px solid var(--line2);border-radius:var(--r);font-size:13px;font-weight:600;position:relative;color:var(--mut)}.mk-big .ph{font-size:20px}
.mk-big.on{border-color:var(--blue);background:var(--blue-s);color:var(--blue-ink)}.mk-big .mk-ck{position:absolute;right:6px;top:6px;font-size:14px}
.mk-msg{max-width:84%;padding:8px 11px;border-radius:var(--r2);font-size:13px;line-height:1.4}
.mk-msg.me{justify-self:end;background:var(--blue);color:#fff}.mk-msg.bot{background:var(--soft)}
.mk-hand{display:flex;gap:7px;align-items:center;font-size:12px;color:var(--mut);padding-top:8px;border-top:1px solid var(--line)}
.mk-map{padding:0;overflow:hidden;gap:0}
.mk-mapbg{position:relative;height:130px;background:linear-gradient(90deg,transparent 49%,color-mix(in srgb,var(--blue) 14%,transparent) 50%,transparent 51%),linear-gradient(0deg,transparent 49%,color-mix(in srgb,var(--blue) 14%,transparent) 50%,transparent 51%),color-mix(in srgb,var(--sky) 12%,var(--surface));background-size:46px 46px,46px 46px,auto}
.mk-mapbg .mk-pin{position:absolute;font-size:26px;color:var(--blue-ink)}.mk-p1{left:22%;top:34%}.mk-p2{left:58%;top:18%}.mk-p3{left:72%;top:56%}
.mk-rows{display:grid;gap:8px;padding:12px}
.mk-row{display:flex;align-items:center;gap:10px;font-size:13px}.mk-row b{display:block;margin-bottom:5px}.mk-grow{flex:1;display:grid;gap:6px}
.mk-row .it{width:30px;height:30px;font-size:16px}
.mk-stars{display:flex;gap:4px;color:var(--amber);justify-content:center;padding:6px 0}
.mk-qr{gap:12px}.mk-qrbox{display:grid;justify-items:center;gap:6px;padding:10px;color:var(--ink);font-size:12.5px}
.mk-plus{width:24px;height:24px;display:grid;place-items:center;border-radius:var(--r);background:var(--blue);color:#fff;font-size:13px;margin-left:auto}
.mk-img{width:36px;height:36px;border-radius:var(--r);background:var(--soft);flex:none}
.mk-qty{display:flex;align-items:center;gap:7px;font-size:12.5px;padding:3px 7px;border:1px solid var(--line2);border-radius:var(--r)}
.mk-tot{display:flex;justify-content:space-between;align-items:center;padding-top:8px;border-top:1px solid var(--line);font-size:13px}.mk-tot .mk-sk{width:30%}
.mk-st{font-size:12px;font-weight:600;padding:3px 8px;border-radius:var(--r);white-space:nowrap}
.mk-st.new{background:var(--blue-s);color:var(--blue-ink)}.mk-st.wip{background:color-mix(in srgb,var(--amber) 22%,var(--surface));color:#8a5a00}.mk-st.ok{background:color-mix(in srgb,var(--teal) 14%,var(--surface));color:var(--teal)}
:root[data-theme="dark"] .mk-st.wip{color:var(--amber)}
.mk-av{width:30px;height:30px;border-radius:50%;background:var(--soft);display:grid;place-items:center;color:var(--mut);flex:none}
.mk-dots{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.mk-dots span{aspect-ratio:1;border-radius:50%;border:1px dashed var(--line2);display:grid;place-items:center;color:#fff}.mk-dots .on{background:var(--blue);border:0}
.mk-search{display:flex;gap:8px;align-items:center;padding:9px 12px;border:1px solid var(--line2);border-radius:99px;font-size:12.5px;color:var(--mut)}.mk-search .ph{color:var(--blue-ink)}
.mk-res{display:grid;gap:5px}.mk-res small{font-size:12px;color:var(--mut2)}.mk-res b{font-size:13.5px;color:var(--blue-ink);line-height:1.3}
.mk-fld{display:grid;gap:4px}.mk-fld small{font-size:12px;color:var(--mut)}.mk-fld span{height:30px;border:1px solid var(--line2);border-radius:var(--r);background:var(--bg)}
.mk-land{gap:12px}.mk-hero{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px;border-radius:var(--r);background:var(--blue-s)}.mk-hl{flex:1;display:grid;gap:8px}
.mk-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.mk-box{height:54px;border-radius:var(--r);background:var(--soft)}
.mk-ph{border-radius:22px;padding:22px 14px 14px;width:min(100%,250px)}.mk-notch{width:60px;height:5px;border-radius:3px;background:var(--line2);justify-self:center}
.mk-bars{display:flex;align-items:flex-end;gap:8px;height:110px;padding-top:6px}.mk-bars span{flex:1;background:var(--blue);border-radius:3px 3px 0 0;opacity:.85}
.mk-leg{display:flex;gap:14px;font-size:12px;color:var(--mut)}.mk-leg .ph{color:var(--blue-ink);font-size:11px}
.mk-sw{margin-left:auto;display:flex;border:1px solid var(--line2);border-radius:var(--r);overflow:hidden;font-size:11.5px}.mk-sw span{padding:3px 9px}.mk-sw .on{background:var(--blue);color:#fff}
.mk-shots{padding:10px;gap:10px;grid-template-columns:1fr;width:min(100%,380px)}.mk-shots img{width:100%;height:auto;aspect-ratio:16/10;object-fit:cover;object-position:top;border-radius:var(--r);border:1px solid var(--line)}

/* Thẻ tính năng lớn trên nền xanh */
.v-feats{position:relative;overflow:hidden;padding-block:clamp(48px,7vw,92px);background:var(--blue);color:#fff}
.v-feats::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgb(255 255 255/.18) 1px,transparent 1.2px);background-size:22px 22px;mask-image:radial-gradient(560px 340px at 0% 0%,#000,transparent);-webkit-mask-image:radial-gradient(560px 340px at 0% 0%,#000,transparent)}
.v-feats .wrap{position:relative;z-index:1}
.v-feats-h{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;flex-wrap:wrap;margin-bottom:clamp(22px,3vw,36px)}
.v-feats h2{color:#fff;font-size:clamp(1.8rem,3.6vw,2.8rem);max-width:20ch}
.v-fcs{display:grid;gap:clamp(14px,2vw,22px)}
.v-fc{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:clamp(18px,3.5vw,52px);align-items:center;padding:clamp(18px,3vw,36px);border-radius:var(--r2);background:var(--surface);color:var(--ink)}
.v-fc.alt{background:color-mix(in srgb,var(--blue) 9%,var(--surface))}.v-fc.alt .v-fc-t{order:2}.v-fc.alt .v-fc-v{order:1}
.v-fc-n{width:44px;height:44px;display:grid;place-items:center;border-radius:var(--r);background:var(--blue);color:#fff;font-size:22px;margin-bottom:6px}
.v-fc h3{font-size:clamp(1.35rem,2.4vw,1.9rem);line-height:1.18;margin-top:6px}
.v-fc-t{display:grid;gap:10px;align-content:center}
.v-fc-app{font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--blue-ink);font-weight:700}
.v-fc-t p{font-size:15.5px}
.v-fc-t ul{display:grid;gap:9px;margin-top:4px}.v-fc-t li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--ink)}.v-fc-t li .ph{color:var(--blue-ink);margin-top:3px}
.v-fc .mkx{min-height:320px}
.v-fc.alt .mkx{background:linear-gradient(160deg,color-mix(in srgb,var(--sky) 30%,var(--surface)),color-mix(in srgb,var(--blue) 12%,var(--surface)))}

/* Danh sách kiểm hai cột */
.v-chk{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.3fr);gap:clamp(20px,4vw,64px);align-items:start}
.v-chk-h{position:sticky;top:100px}.v-chk-h h2{font-size:clamp(1.7rem,3.2vw,2.5rem)}.v-chk-h .prose{margin-top:12px;font-size:16px}
.v-chk ul{display:grid}
.v-chk li{display:flex;gap:14px;align-items:flex-start;padding:16px 4px;border-bottom:1px solid var(--line);font-size:16px;line-height:1.55;color:var(--ink)}
.v-chk li:first-child{border-top:1px solid var(--line)}
.v-chk li .ph{flex:none;margin-top:3px;font-size:22px;color:var(--blue-ink)}.v-chk li b{font-weight:700}

/* Dòng thời gian */
.v-tl{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,200px),1fr));gap:clamp(14px,2vw,28px);position:relative;counter-reset:t}
.v-tl li{position:relative;display:grid;gap:12px;align-content:start}
.v-tl li:not(:last-child)::before{content:"";position:absolute;left:46px;right:-14px;top:19px;height:1px;background:repeating-linear-gradient(90deg,var(--line2) 0 6px,transparent 6px 12px)}
.v-tn{width:40px;height:40px;display:grid;place-items:center;border-radius:50%;background:var(--blue);color:#fff;font-weight:700;box-shadow:0 12px 20px -10px rgb(47 84 235/.8);position:relative;z-index:1}
.v-tl li>div{font-size:15px;line-height:1.6;color:var(--ink)}.v-tl li>div a{color:var(--blue-ink);text-decoration:underline}

@media (max-width:1060px){.v-stage{grid-template-columns:1fr 1.3fr}.v-stage .v-st-c{display:none}}
@media (max-width:860px){
  .v-fc,.v-chk{grid-template-columns:1fr}.v-fc.alt .v-fc-t{order:1}.v-fc.alt .v-fc-v{order:2}.v-chk-h{position:static}
  .v-tl li:not(:last-child)::before{display:none}
}
@media (max-width:620px){
  .v-stage{grid-template-columns:1fr;padding:14px}.v-stage .v-st-a{display:none}
  .v-fc{padding:16px}.mkx{min-height:300px}.mk-c.mk-f{max-width:80%}
  .v-hero-t h1{max-width:none}
}

/* ===== Học viện kiểu trung tâm hỗ trợ ===== */
.v-help{position:relative;overflow:hidden;padding:30px 0 clamp(34px,5vw,60px);background:radial-gradient(800px 420px at 50% -10%,color-mix(in srgb,var(--blue) 16%,transparent),transparent 72%),var(--bg)}
.v-help::after{content:"";position:absolute;inset:0;pointer-events:none;background-image:radial-gradient(color-mix(in srgb,var(--blue) 22%,transparent) 1px,transparent 1.2px);background-size:22px 22px;mask-image:radial-gradient(620px 260px at 50% 0%,#000,transparent 75%);-webkit-mask-image:radial-gradient(620px 260px at 50% 0%,#000,transparent 75%);opacity:.6}
.v-help .wrap{position:relative;z-index:1}
.v-help-t{max-width:820px;margin:clamp(14px,3vw,30px) auto 0;text-align:center;display:grid;justify-items:center;gap:14px}
.v-help-t h1{font-size:clamp(2.1rem,4.8vw,3.6rem);letter-spacing:-.04em;line-height:1.08;color:var(--blue-ink);max-width:18ch}
:root[data-theme="dark"] .v-help-t h1{color:#9db6ff}
.v-help-t>p{font-size:clamp(15.5px,1.5vw,17.5px);max-width:62ch}
.v-hsearch{display:flex;align-items:center;gap:8px;width:min(100%,640px);padding:7px 7px 7px 16px;border:1px solid var(--line2);border-radius:var(--r2);background:var(--surface);box-shadow:var(--sh);margin-top:6px}
.v-hsearch:focus-within{border-color:var(--blue);outline:2px solid var(--blue-m)}
.v-hsearch .ph{color:var(--blue-ink);font-size:22px;flex:none}
.v-hsearch input{flex:1;min-width:0;border:0;background:transparent;font-size:16px;padding:10px 4px;outline:0}
.v-hq{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;align-items:center;font-size:13.5px;color:var(--mut)}
.v-hq a{padding:5px 11px;border-radius:var(--r);background:var(--surface);border:1px solid var(--line);color:var(--ink);transition:border-color .3s,color .3s}.v-hq a:hover{border-color:var(--blue);color:var(--blue-ink)}
.v-topic{box-shadow:none;transition:transform .5s var(--ease),box-shadow .5s var(--ease),border-color .3s}.v-topic:hover{transform:translateY(-3px);box-shadow:var(--sh);border-color:var(--blue-m)}
.v-topic .p-ph .it{width:46px;height:46px;font-size:24px}
.v-topic .btn{align-self:flex-start}
.v-feat-l{display:grid;grid-template-columns:1fr 1fr;gap:0 clamp(18px,4vw,56px)}
.v-feat-l li a{display:flex;align-items:center;gap:14px;padding:14px 4px;border-bottom:1px solid var(--line);transition:background-color .3s}
.v-feat-l li a:hover{background:var(--blue-s)}
.v-feat-l span{flex:1;min-width:0}.v-feat-l b{display:block;line-height:1.35}.v-feat-l small{color:var(--mut2);font-size:13px}
.v-feat-l .it{width:40px;height:40px;font-size:21px}
.v-sup .v-band-h{margin-bottom:22px}.v-sup p{color:rgb(255 255 255/.9);max-width:58ch;margin-top:10px}
.v-sup-c{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.v-sup-c a{display:flex;gap:14px;align-items:center;padding:16px 18px;border:1px solid rgb(255 255 255/.3);border-radius:var(--r2);background:rgb(255 255 255/.1);transition:background-color .3s,transform .5s var(--ease)}
.v-sup-c a:hover{background:#fff;color:#2442C7;transform:translateY(-3px)}.v-sup-c .ph{font-size:26px}
.v-sup-c b{display:block}.v-sup-c small{font-size:13px;opacity:.85}
@media (max-width:860px){.v-feat-l,.v-sup-c{grid-template-columns:1fr}}
@media (max-width:620px){.v-hsearch{padding-left:12px}.v-hsearch .btn{padding:10px 12px}}

/* ===== Theo ngành, Kho, Dự án: mỗi loại một kiểu bố cục (không viền màu trên thẻ) ===== */
.kho-app[hidden],.pj-c[hidden],.kho-none[hidden]{display:none!important}

/* --- Theo ngành: trang một ngành --- */
.ind-hero{position:relative;overflow:hidden;padding:30px 0 clamp(30px,4vw,54px);background:linear-gradient(115deg,color-mix(in srgb,var(--blue) 11%,var(--bg)) 0%,var(--bg) 62%)}
.ind-hero::after{content:"";position:absolute;inset:0;pointer-events:none;background-image:radial-gradient(color-mix(in srgb,var(--blue) 22%,transparent) 1px,transparent 1.2px);background-size:22px 22px;mask-image:radial-gradient(420px 300px at 96% 20%,#000,transparent 75%);-webkit-mask-image:radial-gradient(420px 300px at 96% 20%,#000,transparent 75%);opacity:.7}
.ind-hero .wrap{position:relative;z-index:1}
.ind-hero-in{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.02fr);gap:clamp(22px,4vw,56px);align-items:center}
.ind-hero-t{display:grid;gap:14px;justify-items:start}
.ind-ic{width:64px;height:64px;display:grid;place-items:center;border-radius:var(--r2);background:var(--blue);color:#fff;font-size:32px;box-shadow:0 18px 30px -16px rgb(47 84 235/.8)}
.ind-hero h1{font-size:clamp(2rem,4.2vw,3.2rem);letter-spacing:-.035em;max-width:18ch}
.ind-hero .p-lead{margin:0}
.ind-hero .p-act{margin-top:6px}
.ind-sw{position:sticky;top:64px;z-index:20;background:color-mix(in srgb,var(--surface) 94%,transparent);border-block:1px solid var(--line)}
.ind-sw .wrap{display:flex;gap:6px;overflow-x:auto;padding-block:8px;scrollbar-width:none}.ind-sw .wrap::-webkit-scrollbar{display:none}
.ind-sw a{flex:none;display:inline-flex;align-items:center;gap:7px;padding:8px 12px;border-radius:var(--r);font-size:14px;font-weight:500;color:var(--mut);transition:background-color .25s,color .25s}
.ind-sw a:hover{background:var(--blue-s);color:var(--blue-ink)}.ind-sw a[aria-current]{background:var(--blue);color:#fff}
.ind-intro .prose{font-size:clamp(17px,1.8vw,20px);line-height:1.7;max-width:70ch}
.ind-story{background:color-mix(in srgb,var(--blue) 6%,var(--surface))}
.ind-story .wrap{display:grid;gap:12px;max-width:900px}
.ind-q{width:46px;height:46px;display:grid;place-items:center;border-radius:50%;background:var(--blue);color:#fff;font-size:22px}
.ind-story h2{font-size:clamp(1.6rem,3vw,2.3rem)}.ind-story .prose{font-size:clamp(16.5px,1.6vw,18.5px);max-width:none}
.ind-j .sh h2{max-width:26ch}
.ind-rail{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(12px,2vw,26px);position:relative}
.ind-st{position:relative;display:grid;gap:4px;align-content:start}
.ind-st:not(:last-child)::before{content:"";position:absolute;left:62px;right:-14px;top:25px;height:1px;background:repeating-linear-gradient(90deg,var(--line2) 0 6px,transparent 6px 12px)}
.ind-nd{position:relative;width:52px;height:52px;display:grid;place-items:center;border-radius:50%;background:var(--surface);border:1px solid var(--line2);color:var(--blue-ink);font-size:24px;margin-bottom:10px;z-index:1}
.ind-nd em{position:absolute;right:-4px;top:-4px;width:20px;height:20px;display:grid;place-items:center;border-radius:50%;background:var(--blue);color:#fff;font:700 12px/1 var(--font)}
.ind-st>b{font-size:1.1rem;line-height:1.25}.ind-st>small{color:var(--mut);font-size:13.5px;margin-bottom:10px}
.ind-st ul{display:grid}
.ind-st li a{display:flex;gap:9px;align-items:center;padding:9px 2px;border-top:1px solid var(--line);font-size:14.5px;color:var(--ink);transition:color .25s,padding .4s var(--ease)}
.ind-st li a:hover{color:var(--blue-ink);padding-left:6px}.ind-st li .ph{color:var(--blue-ink);flex:none}
.ind-no{padding:9px 2px;border-top:1px solid var(--line);font-size:14px;color:var(--mut2)}
.ind-why{display:grid;grid-template-columns:1fr 1fr;gap:0 clamp(18px,4vw,56px)}
.ind-why li{display:flex;gap:14px;align-items:flex-start;padding:16px 2px;border-bottom:1px solid var(--line);font-size:15px;color:var(--mut);line-height:1.55}
.ind-why li b{display:block;color:var(--ink);font-size:16px;margin-bottom:2px}
/* --- Theo ngành: trang chọn ngành --- */
.ind-top{padding:30px 0 clamp(36px,5vw,64px);background:radial-gradient(900px 420px at 80% -10%,color-mix(in srgb,var(--blue) 12%,transparent),transparent 70%),var(--bg)}
.ind-top-t{max-width:760px;margin:clamp(12px,3vw,30px) 0 clamp(22px,3vw,34px);display:grid;gap:12px}
.ind-top-t h1{font-size:clamp(2.2rem,5vw,3.8rem);letter-spacing:-.04em;line-height:1.05}
.ind-top-t p{font-size:17px;max-width:62ch}
.ind-tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.ind-tile{display:grid;align-content:start;gap:8px;padding:0 0 16px;border:1px solid var(--line);border-radius:var(--r2);background:var(--surface);overflow:hidden;transition:transform .5s var(--ease),box-shadow .5s var(--ease),border-color .3s}
.ind-tile:hover{transform:translateY(-4px);box-shadow:var(--sh);border-color:var(--blue-m)}
.ind-tb{height:104px;display:grid;place-items:center;background:linear-gradient(140deg,color-mix(in srgb,var(--blue) 14%,var(--surface)),color-mix(in srgb,var(--sky) 22%,var(--surface)));color:var(--blue-ink);font-size:44px;margin-bottom:6px;transition:font-size .5s var(--ease)}
.ind-tile:hover .ind-tb{font-size:50px}
.ind-tile>b,.ind-tile>small,.ind-ap,.ind-go{margin-inline:16px}
.ind-tile>b{font-size:1.1rem;line-height:1.25}.ind-tile>small{font-size:14px;color:var(--mut);line-height:1.5}
.ind-ap{display:flex;flex-wrap:wrap;gap:5px}.ind-ap i{font-style:normal;font-size:12px;padding:2px 8px;border-radius:var(--r);background:var(--soft);color:var(--mut)}
.ind-go{display:flex;align-items:center;gap:6px;margin-top:4px;font-size:14px;font-weight:600;color:var(--blue-ink)}.ind-go .ph{transition:transform .4s var(--ease)}.ind-tile:hover .ind-go .ph{transform:translateX(4px)}
.ind-other .ind-tb{background:var(--soft);color:var(--mut)}
.mx-w{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r2);background:var(--surface)}
.ind-mx{border-collapse:separate;border-spacing:0;width:100%;min-width:820px;font-size:14px}
.ind-mx th,.ind-mx td{padding:10px 8px;border-bottom:1px solid var(--line);text-align:center}
.ind-mx thead th{position:sticky;top:0;background:var(--soft);vertical-align:bottom;font-size:12px;line-height:1.3;font-weight:600}
.ind-mx thead th span{display:grid;gap:4px;justify-items:center}.ind-mx thead .ph{font-size:20px;color:var(--blue-ink)}.ind-mx thead em{font-style:normal;color:var(--mut)}
.ind-mx tbody th{text-align:left;font-weight:500;position:sticky;left:0;background:var(--surface);min-width:230px;z-index:1}
.ind-mx tbody th a{display:flex;gap:9px;align-items:center}.ind-mx tbody th a:hover{color:var(--blue-ink)}.ind-mx tbody th .ph{color:var(--blue-ink)}
.ind-mx tbody tr:hover td,.ind-mx tbody tr:hover th{background:var(--blue-s)}
.ind-mx thead th:first-child{text-align:left;left:0;z-index:2}
.mx-y{color:var(--blue-ink);font-size:20px}.mx-n{color:var(--mut2)}
.ind-mx tbody tr:last-child th,.ind-mx tbody tr:last-child td{border-bottom:0}

/* --- Kho --- */
.kho-top{padding:30px 0 clamp(34px,5vw,60px);background:radial-gradient(800px 420px at 20% -10%,color-mix(in srgb,var(--blue) 13%,transparent),transparent 70%),var(--bg)}
.kho-top-t{max-width:820px;margin:clamp(12px,3vw,30px) 0 0;display:grid;gap:14px}
.kho-top-t h1{font-size:clamp(2rem,4.6vw,3.4rem);letter-spacing:-.04em;line-height:1.08}
.kho-top-t>p{font-size:17px;max-width:64ch}
.kho-tabs{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px}
.kho-tabs a{display:inline-flex;align-items:center;gap:9px;padding:13px 18px;border-radius:var(--r2);background:var(--surface);border:1px solid var(--line2);font-weight:600;transition:transform .45s var(--ease),border-color .3s,color .3s}
.kho-tabs a:hover{transform:translateY(-3px);border-color:var(--blue);color:var(--blue-ink)}.kho-tabs .ph{font-size:20px;color:var(--blue-ink)}.kho-tabs b{font-size:12px;padding:1px 7px;border-radius:99px;background:var(--blue-s);color:var(--blue-ink)}
.kho-bar{display:grid;gap:12px;margin-bottom:18px}
.kho-q{display:flex;align-items:center;gap:10px;padding:4px 14px;border:1px solid var(--line2);border-radius:var(--r2);background:var(--surface);max-width:560px}
.kho-q:focus-within{border-color:var(--blue);outline:2px solid var(--blue-m)}.kho-q .ph{color:var(--blue-ink);font-size:20px}
.kho-q input{flex:1;min-width:0;border:0;background:transparent;padding:12px 2px;font-size:16px;outline:0}
.kho-chips{display:flex;flex-wrap:wrap;gap:6px}
.kho-chips button{display:inline-flex;align-items:center;gap:7px;padding:8px 13px;border:1px solid var(--line);border-radius:var(--r);background:var(--surface);font-size:14px;font-weight:600;cursor:pointer;transition:border-color .25s,color .25s}
.kho-chips button b{font-size:12px;color:var(--mut2)}.kho-chips button:hover{border-color:var(--blue);color:var(--blue-ink)}
.kho-chips button.on{background:var(--blue);border-color:var(--blue);color:#fff}.kho-chips button.on b{color:rgb(255 255 255/.8)}
.kho-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.kho-app{display:grid;grid-template-columns:auto 1fr;gap:4px 13px;align-items:start;padding:16px;border:1px solid var(--line);border-radius:var(--r2);background:var(--surface);transition:transform .5s var(--ease),box-shadow .5s var(--ease),border-color .3s}
.kho-app:hover{transform:translateY(-3px);box-shadow:var(--sh);border-color:var(--blue-m)}
.kho-app .it{width:42px;height:42px;font-size:22px;grid-row:span 2}
.kho-app b{display:block;line-height:1.3}.kho-app small{display:block;color:var(--mut);font-size:13.5px;line-height:1.45;margin-top:2px}
.kho-app em{grid-column:2;font-style:normal;font-size:12px;color:var(--blue-ink);font-weight:600;margin-top:4px}
.kho-none{margin-top:16px}.kho-none a{color:var(--blue-ink);text-decoration:underline}
.kho-svs{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.kho-sv{display:grid;gap:12px;align-content:start;padding:20px;border:1px solid var(--line);border-radius:var(--r2);background:var(--surface)}
.kho-sv .it{width:46px;height:46px;font-size:24px}.kho-sv h3{font-size:1.15rem}.kho-sv p{font-size:14.5px;margin-top:3px}
.kho-sv ul{display:grid;gap:7px;font-size:14.5px;color:var(--ink)}.kho-sv li{display:flex;gap:9px;align-items:center}.kho-sv li .ph{color:var(--blue-ink)}
.kho-sv-f{display:flex;justify-content:space-between;align-items:center;padding-top:12px;border-top:1px solid var(--line)}
.kho-sv .bill{font-size:12.5px;font-weight:700;padding:3px 10px;border-radius:var(--r);background:var(--blue-s);color:var(--blue-ink)}
.kho-ths{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.kho-th{display:grid;gap:4px}.kho-thi{display:block;overflow:hidden;border:1px solid var(--line);border-radius:var(--r2);background:var(--soft)}
.kho-thi img{width:100%;aspect-ratio:16/10;object-fit:cover;object-position:top;transition:transform .9s var(--ease)}.kho-th:hover .kho-thi img{transform:scale(1.05)}
.kho-th b{margin-top:6px}.kho-th small{color:var(--mut)}
.kho-hero{padding:30px 0 clamp(30px,4vw,56px);background:linear-gradient(180deg,color-mix(in srgb,var(--blue) 8%,var(--bg)),var(--bg))}
.kho-hero-in{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:clamp(22px,4vw,56px);align-items:center}
.kho-hero-in>div:first-child{display:grid;gap:14px;justify-items:start}
.kho-hero h1{font-size:clamp(1.9rem,4vw,3rem);letter-spacing:-.035em;max-width:18ch}.kho-hero .p-lead{margin:0}
.kho-stage{display:inline-flex;align-items:center;gap:7px;padding:5px 11px;border-radius:var(--r);background:var(--blue-s);color:var(--blue-ink);font-size:13px;font-weight:700}
.kho-hero-v .mkx{min-height:360px}
.kho-two{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:clamp(20px,4vw,56px);align-items:start}
.kho-two h2{font-size:clamp(1.6rem,3vw,2.3rem);margin-bottom:12px}
.kho-b{display:grid}.kho-b li{display:flex;gap:12px;align-items:flex-start;padding:14px 2px;border-bottom:1px solid var(--line);font-size:17px;color:var(--ink)}.kho-b li:first-child{border-top:1px solid var(--line)}.kho-b .ph{color:var(--blue-ink);font-size:22px;margin-top:2px}
.kho-note{margin-top:16px;font-size:15px}
.kho-side{display:grid;gap:10px;padding:18px;border:1px solid var(--line);border-radius:var(--r2);background:var(--surface);position:sticky;top:100px}
.kho-side>b{font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--mut)}
.kho-side .p-chips a{color:var(--blue-ink)}.kho-side .p-chips li:hover{background:var(--blue-s)}

/* --- Dự án: kiểu thư viện, hồ sơ dạng câu chuyện --- */
.pj-top{padding:30px 0 clamp(28px,4vw,48px);background:radial-gradient(900px 420px at 85% -20%,color-mix(in srgb,var(--blue) 12%,transparent),transparent 70%),var(--bg)}
.pj-top .wrap{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:6px 40px;align-items:end}.pj-top .bgc{grid-column:1/-1}
.pj-top-t{display:grid;gap:12px;margin-top:clamp(10px,2vw,24px)}.pj-top-t h1{font-size:clamp(2rem,4.4vw,3.3rem);letter-spacing:-.04em;line-height:1.08;max-width:20ch}.pj-top-t p{max-width:58ch;font-size:16.5px}
.pj-stats{display:flex;gap:clamp(18px,3vw,40px)}.pj-stats b{display:block;font-size:clamp(2rem,4vw,3rem);line-height:1;letter-spacing:-.04em;color:var(--blue-ink);font-variant-numeric:tabular-nums}.pj-stats span{font-size:13.5px;color:var(--mut)}
.pj-f{margin-bottom:20px}
.pj-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(14px,2vw,26px)}
.pj-c{display:grid;gap:14px}
.pj-shot{position:relative;display:block;padding:clamp(14px,2vw,26px);border-radius:var(--r2);background:linear-gradient(140deg,color-mix(in srgb,var(--blue) 12%,var(--surface)),color-mix(in srgb,var(--sky) 24%,var(--surface)));overflow:hidden}
.pj-fr{overflow:hidden;border:1px solid var(--line);border-radius:var(--r2);background:var(--surface);box-shadow:0 30px 50px -28px rgb(15 23 48/.55);transition:transform .8s var(--ease)}
.pj-shot:hover .pj-fr{transform:translateY(-6px) scale(1.015)}
.pj-fr .bw{display:flex;gap:4px;padding:7px 9px;background:var(--soft);border-bottom:1px solid var(--line)}.pj-fr .bw i{width:6px;height:6px;border-radius:50%;background:var(--line2)}
.pj-fr img{width:100%;aspect-ratio:16/10;object-fit:cover;object-position:top}
.pj-view{position:absolute;right:16px;bottom:16px;display:inline-flex;align-items:center;gap:8px;padding:8px 8px 8px 14px;border-radius:var(--r);background:var(--blue);color:#fff;font-size:13.5px;font-weight:600;opacity:0;transform:translateY(8px);transition:opacity .35s,transform .5s var(--ease)}
.pj-shot:hover .pj-view,.pj-shot:focus-visible .pj-view{opacity:1;transform:none}
.pj-b{display:grid;gap:8px;justify-items:start}.pj-b h2{font-size:1.4rem}.pj-b h2 a:hover{color:var(--blue-ink)}
.pj-b dl{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:6px;width:100%;padding-top:12px;border-top:1px solid var(--line)}.pj-b dt{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--mut2)}.pj-b dd{font-size:14px;line-height:1.45;margin-top:2px}
.pj-hero{padding:30px 0 clamp(34px,5vw,60px);background:linear-gradient(180deg,color-mix(in srgb,var(--blue) 9%,var(--bg)),var(--bg))}
.pj-hero-in{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,420px);gap:clamp(22px,4vw,64px);align-items:start;margin-top:clamp(10px,2vw,24px)}
.pj-hero-in>div{display:grid;gap:14px;justify-items:start}.pj-hero h1{font-size:clamp(2rem,4.4vw,3.4rem);letter-spacing:-.04em;line-height:1.06;word-break:break-word}
.pj-dev .p-dev-s{max-height:520px}
.pj-facts{border-block:1px solid var(--line);background:var(--surface)}.pj-facts dl{display:grid;grid-template-columns:repeat(4,1fr)}
.pj-facts dl>div{padding:20px 22px;border-left:1px solid var(--line)}.pj-facts dl>div:first-child{border-left:0;padding-left:0}
.pj-facts dt{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--mut2)}.pj-facts dd{margin-top:4px;font-weight:600;line-height:1.4}
.pj-story{display:grid;gap:clamp(22px,3vw,40px);max-width:980px}
.pj-sec{display:grid;grid-template-columns:200px minmax(0,1fr);gap:clamp(16px,3vw,44px);align-items:start;padding-top:clamp(16px,2vw,26px);border-top:1px solid var(--line)}
.pj-lab{display:flex;gap:9px;align-items:center;font-weight:700;font-size:1.05rem;position:sticky;top:100px}.pj-lab .ph{color:var(--blue-ink);font-size:22px}
.pj-ctx .prose{font-size:1.15rem;line-height:1.7}
.pj-hl{display:grid;gap:0}.pj-hl li{display:flex;gap:12px;align-items:flex-start;padding:13px 2px;border-bottom:1px solid var(--line);font-size:16px;color:var(--ink)}.pj-hl li:first-child{padding-top:0}.pj-hl .ph{color:var(--blue-ink);font-size:21px;margin-top:2px;flex:none}
.pj-res .v-band-h{margin:0}.pj-res h2{max-width:28ch;font-size:clamp(1.6rem,3.2vw,2.5rem)}.pj-rl{display:block;margin-bottom:10px;font-size:13px;letter-spacing:.1em;text-transform:uppercase;opacity:.85}

@media (max-width:1060px){.ind-tiles{grid-template-columns:repeat(3,1fr)}.ind-rail{grid-template-columns:1fr 1fr}.ind-st:not(:last-child)::before{display:none}.kho-grid,.kho-svs{grid-template-columns:1fr 1fr}.kho-ths{grid-template-columns:1fr 1fr}}
@media (max-width:860px){
  .ind-hero-in,.kho-hero-in,.kho-two,.pj-hero-in{grid-template-columns:1fr}.ind-why{grid-template-columns:1fr}.pj-grid{grid-template-columns:1fr}
  .pj-top .wrap{grid-template-columns:1fr}.pj-facts dl{grid-template-columns:1fr 1fr}.pj-facts dl>div:nth-child(3){border-left:0;padding-left:0}.pj-facts dl>div:nth-child(n+3){border-top:1px solid var(--line)}
  .pj-sec{grid-template-columns:1fr}.pj-lab,.kho-side{position:static}.ind-sw{top:64px}
  .pj-dev{max-width:420px}
}
@media (max-width:620px){
  .ind-tiles,.kho-grid,.kho-svs,.ind-rail{grid-template-columns:1fr}.kho-ths{grid-template-columns:1fr 1fr}
  .pj-b dl{grid-template-columns:1fr}.pj-view{opacity:1;transform:none}
  .pj-facts dl>div{padding:14px 12px}.ind-hero h1{max-width:none}
}
.ind-stage{grid-template-columns:1fr 1fr;padding:clamp(14px,2vw,24px)}
@media (max-width:620px){.ind-stage{grid-template-columns:1fr}.ind-stage>div:nth-child(2){display:none}}

/* --- Giới thiệu: landing thương hiệu --- */
.ab-hero{position:relative;overflow:hidden;padding:30px 0 clamp(34px,5vw,64px);background:radial-gradient(900px 480px at 85% -10%,color-mix(in srgb,var(--blue) 14%,transparent),transparent 70%),var(--bg)}
.ab-hero-in{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:clamp(22px,4vw,64px);align-items:center;margin-top:clamp(10px,2vw,26px)}
.ab-hero-t{display:grid;gap:16px;justify-items:start}
.ab-hero h1{font-size:clamp(2.1rem,4.6vw,3.5rem);letter-spacing:-.04em;line-height:1.06;max-width:17ch}.ab-hero .p-lead{margin:0}
.ab-stage{grid-template-columns:1fr;padding:clamp(18px,3vw,34px)}
.ab-card{background:var(--surface);color:var(--ink);border-radius:var(--r2);padding:clamp(16px,2.4vw,26px);display:grid;gap:18px;box-shadow:0 30px 50px -28px rgb(15 23 48/.55);position:relative;z-index:1}
.ab-brand{display:flex;align-items:center;gap:14px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.ab-mk{width:62px;height:62px;flex:none}
.ab-brand b{display:block;font:700 26px/1 var(--font);letter-spacing:-.035em}.ab-brand b em{font-style:normal;color:var(--blue-ink)}.ab-brand small{display:block;margin-top:6px;color:var(--mut);font-size:13.5px}
.ab-card ul{display:grid;gap:14px}.ab-card li{display:flex;gap:13px;align-items:center}.ab-card li b{display:block}.ab-card li small{color:var(--mut);font-size:13.5px}
.ab-nums{padding:0;background:var(--blue);color:#fff}
.ab-nums ul{display:grid;grid-template-columns:repeat(4,1fr)}
.ab-nums li+li{border-left:1px solid rgb(255 255 255/.22)}
.ab-nums a{display:block;padding:clamp(18px,3vw,32px) clamp(12px,2vw,28px);transition:background-color .3s}.ab-nums a:hover{background:rgb(255 255 255/.1)}
.ab-nums b{display:block;font-size:clamp(2.2rem,4.6vw,3.6rem);line-height:1;letter-spacing:-.04em;font-variant-numeric:tabular-nums}.ab-nums span{display:block;margin-top:8px;font-size:14.5px;opacity:.9}
.p-vals{gap:14px}
.p-val{padding:22px;border:0;background:color-mix(in srgb,var(--blue) 5%,var(--surface));border-radius:var(--r2);gap:10px}
.p-val .it{width:46px;height:46px;font-size:24px;background:var(--blue);color:#fff;box-shadow:none}
.p-val b{font-size:1.15rem}
.p-moc{counter-reset:none;gap:0 clamp(16px,3vw,40px);grid-template-columns:repeat(3,1fr)}
.p-moc li{border:0;border-top:1px solid var(--line);background:none;border-radius:0;padding:20px 4px 22px}
.p-mn{width:44px;height:44px;border-radius:50%;font-size:1.1rem}
.p-doi{gap:clamp(14px,2vw,26px)}
.p-dc{border:0;background:color-mix(in srgb,var(--blue) 5%,var(--surface));padding:clamp(20px,2.6vw,32px)}
.p-dc.b{background:var(--soft)}
.p-dc h3{font-size:1.4rem;margin-bottom:14px}
.p-dc .prose ul{list-style:none;padding:0;display:grid;gap:12px}.p-dc .prose li{display:flex;gap:11px;align-items:flex-start;padding:0;margin:0;font-size:16px}
.p-dc:not(.b) .prose li::before{content:"\2713";flex:none;width:22px;height:22px;display:grid;place-items:center;border-radius:50%;background:var(--blue);color:#fff;font-size:12px;font-weight:700;margin-top:3px}
.p-dc.b .prose li::before{content:"\2715";flex:none;width:22px;height:22px;display:grid;place-items:center;border-radius:50%;background:var(--line2);color:var(--ink);font-size:11px;font-weight:700;margin-top:3px}
.pj-facts{padding-block:0}
@media (max-width:1000px){.ab-hero-in{grid-template-columns:1fr}.ab-nums ul{grid-template-columns:1fr 1fr}.ab-nums li:nth-child(3){border-left:0}.ab-nums li:nth-child(n+3){border-top:1px solid rgb(255 255 255/.22)}.p-moc{grid-template-columns:1fr 1fr}}
@media (max-width:620px){.p-moc{grid-template-columns:1fr}.ab-hero h1{max-width:none}}
/* Kho: hình bên phải đầu trang */
.kho-top .wrap{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:6px clamp(20px,4vw,56px);align-items:center}.kho-top .bgc{grid-column:1/-1}
.kho-vis{display:none}
@media (min-width:1001px){.kho-vis{display:block}}
@media (max-width:1000px){.kho-top .wrap{grid-template-columns:1fr}}

/* Vùng bấm tối thiểu và liên kết đường dẫn */
.bgc a{display:inline-block;padding:5px 2px}
.tb-l a{min-height:32px}
.fbot a,.fcat a,.kws a{padding-block:4px}
.fcat span a,.fbot .fl-l a{display:inline-block}
@media (max-width:700px){.tb-l a{min-width:36px;min-height:36px;justify-content:center}.tb-l{gap:0 6px}}

.fcat a,.sa,.more{display:inline-flex;align-items:center;min-height:26px;padding-block:2px}
.p-lessons .p-lt small,.p-lt small{font-size:13.5px}

/* Tương phản, focus và chuyển động (rà theo bảng kiểm UI/UX Pro Max) */
.acad-note a,.prose a,.p-ans a,.consent a{color:var(--blue-ink)}
.mkx-cap,.mk-cap{color:var(--mut)}
.v-stage .mk-cap{color:#fff}
.bd3.rec .y1{background:rgb(15 23 48/.2)}
.v-feats :focus-visible,.v-band :focus-visible,.v-stage :focus-visible,.ab-nums :focus-visible,.ct .l :focus-visible,.v-sup :focus-visible,.topbar :focus-visible{outline-color:#fff}
.btn:focus-visible,.ico-b:focus-visible,.seg button:focus-visible,.kho-chips button:focus-visible{outline:3px solid var(--blue-ink);outline-offset:3px}
.menu.open a:focus-visible{outline-offset:-2px}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}