/* [1.35-TV] Trang trụ cột, Dịch vụ tư vấn, trang địa phương, hồ sơ Thầy — dùng biến màu của store.css (hồng sen #C2399A, sen đậm #8E1F6E, nền nhạt #F6E3F0) */
.tc-hero{position:relative;overflow:hidden;display:flex;gap:18px;align-items:flex-start;background:#fff url(/assets/hero-bg.jpg) center 60%/cover no-repeat;border:1px solid var(--ln);border-left:4px solid var(--p);border-radius:10px 16px 16px 10px;padding:26px 28px;margin:4px 0 20px}
.tc-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(255,255,255,.97),rgba(255,255,255,.9) 60%,rgba(255,255,255,.6))}
.tc-hero-tx{position:relative;max-width:820px}.tc-hero h1{margin:6px 0 10px;color:var(--pd)}.tc-hero p{margin:0 0 10px;font-size:1.02rem}
.tc-eb{display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--p);background:var(--pl);border-radius:999px;padding:3px 12px}
.tc-han{position:relative;margin-left:auto;font:700 64px/1 var(--han,serif);color:var(--p);opacity:.16;writing-mode:vertical-rl;letter-spacing:.1em;user-select:none}
.tc-hero-bt,.tc-cta-bt,.tc-fbt{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:12px}
.tc-hero-bt .btn,.tc-cta-bt .btn,.tc-fbt .btn{min-height:44px;display:inline-flex;align-items:center;justify-content:center}
.btn.o2{background:#fff;color:var(--pd)!important;border-color:#e7b8d6}.btn.o2:hover{background:var(--pl);border-color:var(--p)}
.tc-hero .btn.o{background:#fff;color:var(--pd)!important;border-color:#e7b8d6}.tc-hero .btn.o:hover{background:var(--pl)}
.tc-by{font-size:.85rem;color:var(--mu);margin-top:12px!important}
/* bố cục trụ cột: mục lục dính bên trái + bài */
.tc-wrap{display:grid;grid-template-columns:260px minmax(0,1fr);gap:28px;align-items:start}
.tc-toc{position:sticky;top:84px;max-height:calc(100vh - 100px);overflow:auto}.tc-toc details{background:#fff;border:1px solid var(--ln);border-radius:12px;padding:10px 12px}
.tc-toc summary{font-weight:700;color:var(--pd);cursor:pointer;min-height:32px;display:flex;align-items:center}.tc-toc ol{margin:6px 0 0;padding-left:20px;font-size:.9rem}.tc-toc li{margin:4px 0}
.tc-toc a{color:var(--ink);display:block;padding:2px 4px;border-radius:6px;transition:background .2s,color .2s}.tc-toc a:hover,.tc-toc a.on{color:var(--pd);background:var(--pl)}
.tc-art{background:#fff;border:1px solid var(--ln);border-radius:14px;padding:8px 32px 24px;max-width:860px;font-size:1.02rem;line-height:1.7}
.tc-art1{background:#fff;border:1px solid var(--ln);border-radius:14px;padding:18px 26px;max-width:860px}
.tc-sec{scroll-margin-top:90px;padding-top:6px}.tc-sec h2,.tc-faq h2,.tc-rel h2{color:var(--pd);font-size:1.35rem;margin:22px 0 10px;padding-bottom:8px;border-bottom:2px solid #F0D3E5}
.tc-sec h3{color:var(--ink);font-size:1.08rem;margin:16px 0 6px}.tc-art ul,.tc-art ol{padding-left:22px}.tc-art li{margin:4px 0}
.tc-tbw{overflow-x:auto}.tc-tb{width:100%;border-collapse:collapse;margin:10px 0 14px;font-size:.95rem}.tc-tb th,.tc-tb td{border:1px solid var(--ln);padding:8px 10px;text-align:left;vertical-align:top}.tc-tb th{background:var(--pl);color:var(--pd)}
.tc-24 td span{display:inline-block;margin:2px 12px 2px 0;white-space:nowrap}
.tc-soon{background:#FFF8E6;border:1px solid #F1D9A0;border-radius:10px;padding:10px 14px}
.tc-stats{display:flex;flex-wrap:wrap;gap:10px;list-style:none;padding:0!important;margin:12px 0}.tc-stats li{background:var(--pl);border-radius:12px;padding:8px 14px;min-width:96px;text-align:center}.tc-stats b{display:block;font-size:1.4rem;color:var(--pd)}.tc-stats span{font-size:.82rem;color:var(--mu)}
.tc-faq{scroll-margin-top:90px}.tc-faq details{border:1px solid var(--ln);border-radius:10px;margin:8px 0;background:#fff;transition:border-color .2s,box-shadow .2s}.tc-faq summary{cursor:pointer;font-weight:600;padding:12px 14px;min-height:44px}.tc-faq p{margin:0;padding:0 14px 12px}
.tc-faq details:hover{border-color:#e7b8d6}.tc-faq details[open]{border-color:var(--p);box-shadow:0 4px 14px rgba(142,31,110,.08)}
.tc-rel{scroll-margin-top:90px}.tc-rel h2 small{font-size:.8rem;color:var(--mu);font-weight:500}.tc-rel-g{columns:2 300px;column-gap:24px}.tc-rel-c{break-inside:avoid;margin-bottom:14px}.tc-rel-c h3{font-size:1rem;color:var(--pd);margin:8px 0 4px}.tc-rel-c h3 small{color:var(--mu);font-weight:500}
.tc-rel-c ul{margin:0;padding-left:18px;font-size:.93rem}.tc-rel-c li{margin:3px 0}
/* thẻ (phần mềm, dự án), liên kết chéo, trang chủ — nổi khi rê chuột */
.tc-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px;margin:12px 0}
.tc-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--ln);border-radius:12px;overflow:hidden;color:var(--ink);text-align:left;font:inherit;padding:0;cursor:pointer;transition:transform .24s ease-out,box-shadow .24s ease-out,border-color .24s}
.tc-card-im{display:block;aspect-ratio:16/10;overflow:hidden;background:var(--pl)}.tc-card-im img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease-out}
.tc-card-tx{display:flex;flex-direction:column;gap:4px;padding:10px 12px 12px}.tc-card-tx b{color:var(--pd)}.tc-card-tx span{font-size:.88rem;color:var(--mu)}.tc-card-tx em{font-style:normal;font-size:.85rem;color:var(--p);font-weight:600;margin-top:auto}
.tc-cross{margin:26px 0 8px}.tc-cross h2{font-size:1.25rem;color:var(--ink)}.tc-cross-l,.tc-home-l{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px}
.tc-cross-l a,.tc-home-a{display:flex;flex-direction:column;gap:4px;background:#fff;border:1px solid var(--ln);border-radius:12px;padding:12px 14px;color:var(--ink);transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s,background .22s}
.tc-cross-l i,.tc-home-a i{font-style:normal;font-size:1.5rem;display:inline-block;transition:transform .25s ease-out}.tc-cross-l b,.tc-home-a b{color:var(--pd)}.tc-home-a span{font-size:.85rem;color:var(--mu)}
.tc-home{margin:26px 0}.tc-home-l{grid-template-columns:repeat(auto-fill,minmax(180px,1fr))}
@media (hover:hover){.tc-card:hover,.tc-cross-l a:hover,.tc-home-a:hover,.tc-goi:hover{transform:translateY(-5px);box-shadow:0 14px 30px rgba(142,31,110,.14);border-color:#e7b8d6}.tc-card:hover .tc-card-im img{transform:scale(1.06)}
  .tc-cross-l a:hover,.tc-home-a:hover{background:var(--pl)}.tc-cross-l a:hover i,.tc-home-a:hover i{transform:rotate(-8deg) scale(1.08)}.tc-chips a:hover,.tc-jump a:hover,.tc-links a:hover{background:var(--pl);border-color:var(--p);color:var(--pd)}}
.tc-card:active,.tc-cross-l a:active,.tc-home-a:active,.tc-goi:active{transform:scale(.98)}
.tc-card:focus-visible,.tc-cross-l a:focus-visible,.tc-home-a:focus-visible{outline:2px solid var(--p);outline-offset:2px;box-shadow:0 10px 24px rgba(142,31,110,.14)}
.tc-cta{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;background:linear-gradient(120deg,var(--pd),var(--p));color:#fff;border-radius:16px;padding:20px 24px;margin:24px 0 8px}.tc-cta b{font-size:1.15rem}.tc-cta p{margin:4px 0 0;opacity:.95}
.tc-cta .btn{background:#fff;color:var(--pd)!important;border-color:#fff}.tc-cta .btn:hover{background:var(--pl)}
/* trang dịch vụ */
.tc-jump{display:flex;gap:8px;overflow-x:auto;padding:2px 0 10px;margin-bottom:6px;scrollbar-width:none}.tc-jump::-webkit-scrollbar{display:none}
.tc-jump a{flex:none;border:1px solid var(--ln);background:#fff;border-radius:999px;padding:8px 14px;color:var(--ink);font-size:.92rem;min-height:40px;display:inline-flex;align-items:center;transition:background .2s,border-color .2s}
.tc-sec2{scroll-margin-top:110px;margin:22px 0}.tc-sec2>h2{color:var(--pd);font-size:1.4rem;margin:0 0 10px}
.tc-tabs{display:flex;gap:8px;margin-bottom:12px;flex-wrap:wrap}.tc-tabs button{font:inherit;font-weight:600;border:1px solid var(--ln);background:#fff;border-radius:12px;padding:10px 16px;min-height:46px;cursor:pointer;color:var(--ink);transition:background .2s,border-color .2s,color .2s}
.tc-tabs button i{font-style:normal}.tc-tabs button small{color:var(--mu);font-weight:500;margin-left:4px}.tc-tabs button.on{background:var(--p);border-color:var(--p);color:#fff}.tc-tabs button.on small{color:#fff;opacity:.9}.tc-tabs button:not(.on):hover{background:var(--pl);border-color:var(--p)}
.tc-pn-i{margin:0 0 12px;color:var(--mu)}.tc-goil{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px}
.tc-goi{display:flex;flex-direction:column;background:#fff;border:1px solid var(--ln);border-top:4px solid var(--p);border-radius:12px;padding:14px 18px;transition:transform .24s ease-out,box-shadow .24s ease-out,border-color .24s;scroll-margin-top:110px}
.tc-goi h3{margin:0 0 6px;color:var(--pd);font-size:1.12rem}.tc-goi-tt{margin:0 0 8px;color:var(--mu);font-size:.93rem}.tc-goi ul{margin:0 0 10px;padding-left:18px;font-size:.93rem}.tc-goi li{margin:3px 0}
.tc-goi dl{margin:auto 0 12px;display:grid;gap:4px}.tc-goi dl div{display:flex;gap:8px;font-size:.9rem}.tc-goi dt{color:var(--mu);min-width:80px}.tc-goi dd{margin:0;font-weight:600}
.tc-gia{color:var(--pd);font-weight:800}.tc-gia.lh{color:var(--p)}.tc-goi .btn{align-self:flex-start;min-height:44px;display:inline-flex;align-items:center}
.tc-goi.flash{box-shadow:0 0 0 3px rgba(194,57,154,.35)}
.tc-goil-s{grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}.tc-goi-s{color:var(--ink);gap:4px}.tc-goi-s small{color:var(--mu)}.tc-goi-s b{color:var(--pd)}
.tc-hs{margin-top:14px;background:#fff;border:1px dashed #e7b8d6;border-radius:12px;padding:10px 18px}.tc-hs h3{margin:6px 0;font-size:1.02rem;color:var(--pd)}.tc-hs ul{margin:0 0 6px;padding-left:20px;columns:2 260px;column-gap:24px}.tc-hs li{margin:3px 0;break-inside:avoid}
.tc-steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;counter-reset:s}
.tc-steps li{position:relative;background:#fff;border:1px solid var(--ln);border-radius:12px;padding:14px}.tc-steps b{display:block;color:var(--pd);margin:6px 0 4px}.tc-steps p{margin:0;font-size:.9rem;color:var(--mu)}
.tc-step-n{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;background:var(--p);color:#fff;font-weight:700}
.tc-2c{display:grid;grid-template-columns:1fr 1fr;gap:14px}.tc-box{background:#fff;border:1px solid var(--ln);border-radius:12px;padding:12px 18px}.tc-box h3{margin:6px 0;color:var(--pd);font-size:1.05rem}.tc-box p{margin:0 0 6px}
.tc-chips{display:flex;flex-wrap:wrap;gap:8px}.tc-chips a{border:1px solid var(--ln);background:#fff;border-radius:999px;padding:8px 14px;color:var(--ink);transition:background .2s,border-color .2s}
.tc-book{background:#fff;border:1px solid var(--ln);border-radius:16px;padding:18px 22px}
.tc-form .tc-fg{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 16px}.tc-form label{display:flex;flex-direction:column;gap:4px;font-weight:500;font-size:.93rem}.tc-fw{grid-column:1/-1}
.tc-form input,.tc-form select,.tc-form textarea{font:inherit;font-weight:400;padding:10px 12px;border:1px solid var(--ln);border-radius:10px;background:#fff;min-height:44px;width:100%}
.tc-form input:focus,.tc-form select:focus,.tc-form textarea:focus{border-color:var(--p);outline:2px solid rgba(194,57,154,.2)}.tc-form [aria-invalid=true]{border-color:var(--bad)}
.tc-hp{position:absolute!important;left:-9999px!important;width:1px;height:1px;overflow:hidden}
.tc-fnote{font-size:.86rem;color:var(--mu);margin:10px 0 0}.tc-or{color:var(--mu);font-size:.9rem}
.tc-form .msg{margin:10px 0 0;font-weight:600}.tc-form .msg.okt{color:var(--ok)}.tc-form .msg.err{color:var(--bad)}
/* hồ sơ dự án: hộp nổi (điện thoại: tấm trượt từ dưới) */
.tc-da .tc-card{border:1px solid var(--ln)}
.tc-dlg{border:0;border-radius:16px;padding:0;max-width:880px;width:calc(100% - 32px);max-height:88vh;box-shadow:0 30px 80px rgba(0,0,0,.3)}.tc-dlg::backdrop{background:rgba(36,32,42,.55)}
.tc-dlg-in{padding:18px 22px;position:relative;overflow:auto;max-height:88vh}.tc-dlg h3{margin:0 40px 4px 0;color:var(--pd)}.tc-dlg-m{color:var(--mu);margin:0 0 10px}
.tc-dlg-x{position:absolute;top:10px;right:10px;width:44px;height:44px;border-radius:50%;border:1px solid var(--ln);background:#fff;font-size:1.1rem;cursor:pointer}
.tc-dlg-g{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:10px}.tc-dlg-g img{width:100%;border-radius:10px;background:var(--pl)}.tc-dlg-d{white-space:pre-line}
/* hồ sơ Thầy */
.tc-pro{display:flex;gap:22px;align-items:center;background:#fff;border:1px solid var(--ln);border-left:4px solid var(--p);border-radius:10px 16px 16px 10px;padding:20px 24px;margin:4px 0 16px}
.tc-pro-av{flex:none;width:140px;height:140px;border-radius:50%;overflow:hidden;background:var(--pl);display:flex;align-items:center;justify-content:center;font-size:4rem;border:3px solid #F0D3E5}.tc-pro-av img{width:100%;height:100%;object-fit:cover}
.tc-pro h1{margin:6px 0 4px;color:var(--pd)}.tc-pro-cd{margin:0;color:var(--mu)}
.tc-cm{list-style:none;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:10px}.tc-cm li{background:#fff;border:1px solid var(--ln);border-radius:12px;padding:10px 14px}.tc-cm b{display:block;color:var(--pd)}.tc-cm span{font-size:.9rem;color:var(--mu)}
.tc-tl{border-left:3px solid #F0D3E5;margin:0;padding:0 0 0 18px;list-style:none}.tc-tl li{position:relative;margin:0 0 10px}.tc-tl li::before{content:"";position:absolute;left:-25px;top:7px;width:11px;height:11px;border-radius:50%;background:var(--p)}
.tc-links{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:10px}.tc-links a{display:flex;gap:10px;align-items:center;background:#fff;border:1px solid var(--ln);border-radius:12px;padding:10px 14px;color:var(--ink);transition:background .2s,border-color .2s}
.tc-links i{font-style:normal;font-size:1.3rem}.tc-links b{display:block;color:var(--pd);font-size:.95rem}.tc-links small{color:var(--mu)}
/* hộp liên kết ngược trong bài viết */
.tc-back{max-width:760px;margin:16px auto 0;background:var(--pl);border:1px solid #EBCFE1;border-radius:12px;padding:12px 16px}.tc-back-t{margin:0 0 8px;font-weight:700;color:var(--pd)}
.tc-back-l{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:8px}.tc-back-a{display:flex;flex-direction:column;background:#fff;border:1px solid #EBCFE1;border-radius:10px;padding:10px 12px;color:var(--ink);transition:transform .2s ease-out,box-shadow .2s,border-color .2s}
.tc-back-a b{color:var(--pd)}.tc-back-a span{font-size:.85rem;color:var(--p)}.tc-back-dv{border-style:dashed}
@media (hover:hover){.tc-back-a:hover{transform:translateY(-3px);box-shadow:0 8px 20px rgba(142,31,110,.12);border-color:var(--p)}}
@media (max-width:1024px){.tc-wrap{grid-template-columns:minmax(0,1fr)}.tc-toc{position:static;max-height:none}.tc-steps{grid-template-columns:repeat(auto-fill,minmax(200px,1fr))}}
@media (max-width:640px){.tc-hero{padding:18px 16px}.tc-han{display:none}.tc-art{padding:4px 16px 18px}.tc-art1{padding:12px 16px}.tc-form .tc-fg,.tc-2c{grid-template-columns:minmax(0,1fr)}.tc-book{padding:14px}
  .tc-pro{flex-direction:column;text-align:center;padding:18px 16px}.tc-pro .tc-hero-bt{justify-content:center}.tc-pro-av{width:110px;height:110px}
  .tc-dlg{width:100%;max-width:none;margin:auto 0 0;border-radius:18px 18px 0 0;max-height:90vh}.tc-hero-bt .btn,.tc-fbt .btn{flex:1 1 auto}.tc-cta{padding:16px}}
@media (prefers-reduced-motion:reduce){.tc-card,.tc-card-im img,.tc-cross-l a,.tc-home-a,.tc-goi,.tc-back-a,.tc-cross-l i,.tc-home-a i{transition:none!important;transform:none!important}}