/* Smart content cho cameramienbac.com.vn: các khối thiết kế (tiền tố tv-) trong thân bài
   tin tức (article.prose). Chuyển từ bộ khối Smart content của Web100 sang màu/font của site.
   build.py chỉ nạp file này cho bài có dùng khối (class="tv-...").
   Khối: tv-h2-ico, tv-callout, tv-models, tv-faq, tv-contact, tv-gallery (+ phóng to),
   tv-harms, tv-proof, tv-process-wrap, tv-slider, tv-video. */
:root{--color-primary:#0057c2;--color-primary-dark:#011b58;--color-primary-light:#1e8bff;--color-cream:#eef5fd;--color-text:#16356f;--color-text-muted:#4a6491;--font-body:var(--font-ui)}
.prose .tv-slider,.prose .tv-gallery,.prose .tv-video,.prose .tv-model-figure{margin-left:0;margin-right:0}
.prose figure.tv-model-figure img,.prose .tv-slide-media img,.prose .tv-gallery-media img,.prose .tv-proof-media img{border-radius:0}
/* Các khối thiết kế trong thân bài (cameramienbac.com.vn):
   .tv-models  thẻ mẫu nhà (ảnh + caption + chữ)
   .tv-faq     câu hỏi thường gặp dạng mở/đóng (<details>, không cần JS)
   .tv-contact thẻ thông tin công ty */


/* Link nhảy trong bài (#id): chừa chỗ cho menu cố định của site */
.prose [id]{scroll-margin-top:110px}

/* ---------- Icon trước tiêu đề H2 ---------- */
.prose h2:has(> .tv-h2-ico){display:flex;align-items:center;gap:14px}
.tv-h2-ico{flex:none;width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:rgba(30,139,255,.2);color:var(--color-primary)}
.tv-h2-ico svg{width:24px;height:24px}

/* ---------- Khung nổi bật (tv-callout): phương pháp / điểm khác biệt ---------- */
.tv-callout{display:flex;align-items:center;gap:16px;margin:22px 0 18px;padding:20px 22px;border-radius:18px;background:linear-gradient(135deg,#eef5fd,#f8fbfe);border:1.5px solid rgba(30,139,255,.55);box-shadow:0 10px 26px rgba(1,27,88,.08)}
.tv-callout-ico{flex:none;width:48px;height:48px;border-radius:14px;display:grid;place-items:center;background:var(--color-primary);color:#fff}
.tv-callout-ico svg{width:26px;height:26px}
.prose .tv-callout-kicker{margin:0 0 2px !important;font-size:12px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--color-primary)}
.prose .tv-callout h4{margin:0 0 8px;font-size:19px;line-height:1.3;color:var(--color-primary-dark)}
.prose .tv-callout p{margin:0 0 8px}
.prose .tv-callout p:last-child{margin-bottom:0}
@media (max-width:640px){.tv-callout{padding:16px;gap:12px}.tv-callout-ico{width:40px;height:40px;border-radius:12px}.tv-callout-ico svg{width:22px;height:22px}.prose .tv-callout h4{font-size:17px}}

/* ---------- Mẫu nhà ---------- */
.tv-models{display:flex;flex-direction:column;gap:22px;margin:8px 0 36px}
.tv-model{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);border-radius:20px;overflow:hidden;background:#fff;border:1px solid rgba(0,87,194,.14);box-shadow:0 10px 28px rgba(1,27,88,.08);transition:box-shadow .25s ease,transform .25s ease}
.tv-model:hover{transform:translateY(-3px);box-shadow:0 18px 38px rgba(1,27,88,.14)}
.tv-model:nth-child(even) .tv-model-figure{order:2}
.prose .tv-model-figure{margin:0;display:flex;flex-direction:column;background:var(--color-cream)}
.tv-model-media{position:relative;flex:1;min-height:240px;overflow:hidden}
.tv-model-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.tv-model:hover .tv-model-media img{transform:scale(1.05)}
.tv-model-media::after{content:"";position:absolute;inset:auto 0 0;height:40%;background:linear-gradient(180deg,transparent,rgba(0,19,54,.35));pointer-events:none}
.prose .tv-model-figure figcaption{display:flex;align-items:flex-start;gap:8px;padding:11px 16px;font-size:13.5px;line-height:1.5;font-style:italic;color:var(--color-text-muted);border-top:3px solid var(--color-primary-light)}
.tv-model-figure figcaption::before{content:"";flex:none;width:14px;height:14px;margin-top:3px;background:var(--color-primary);-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='5' width='18' height='14' rx='2'/%3E%3Ccircle cx='9' cy='11' r='2'/%3E%3Cpath d='m21 17-5-5-8 7'/%3E%3C/svg%3E") center/contain no-repeat;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='5' width='18' height='14' rx='2'/%3E%3Ccircle cx='9' cy='11' r='2'/%3E%3Cpath d='m21 17-5-5-8 7'/%3E%3C/svg%3E") center/contain no-repeat}
.tv-model-body{padding:24px 26px;display:flex;flex-direction:column;justify-content:center}
.tv-model-no{align-self:flex-start;font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--color-primary);background:rgba(30,139,255,.18);border-radius:999px;padding:4px 12px}
.prose .tv-model-body h3{margin:12px 0 10px;font-size:21px;line-height:1.3;color:var(--color-primary-dark)}
.prose .tv-model-body p{margin:0;font-size:15.5px;line-height:1.75}
.tv-model-fit{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px}
.tv-model-fit span{font-size:12.5px;font-weight:600;color:var(--color-primary-dark);border:1px solid rgba(0,87,194,.25);border-radius:999px;padding:3px 10px}

/* ---------- FAQ ---------- */
.tv-faq{display:flex;flex-direction:column;gap:12px;margin:8px 0 36px}
.tv-faq-item{border-radius:16px;background:#fff;border:1.5px solid rgba(0,87,194,.16);transition:border-color .2s,box-shadow .2s,background .2s;interpolate-size:allow-keywords}
.tv-faq-item[open]{border-color:var(--color-primary);background:#f8fbfe;box-shadow:0 10px 26px rgba(1,27,88,.1)}
.tv-faq-item summary{display:flex;align-items:center;gap:14px;padding:16px 18px;cursor:pointer;list-style:none;border-radius:16px}
.tv-faq-item summary::-webkit-details-marker{display:none}
.tv-faq-item summary:focus-visible{outline:3px solid var(--color-primary-light);outline-offset:2px}
.tv-faq-q{flex:none;width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:var(--color-cream);color:var(--color-primary);font-weight:800;font-size:15px}
.tv-faq-item[open] .tv-faq-q{background:var(--color-primary);color:#fff}
.prose .tv-faq-item summary h3{flex:1;margin:0;font-size:16.5px;line-height:1.45;color:var(--color-text)}
.tv-faq-item[open] summary h3{color:var(--color-primary-dark)}
.tv-faq-item summary::after{content:"";flex:none;width:30px;height:30px;border-radius:50%;background:var(--color-cream) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230057c2' stroke-width='2.6' stroke-linecap='round'%3E%3Cpath d='M12 6v12M6 12h12'/%3E%3C/svg%3E") center/16px no-repeat;transition:transform .25s ease}
.tv-faq-item[open] summary::after{transform:rotate(45deg)}
.tv-faq-a{padding:0 18px 18px 66px}
.prose .tv-faq-a p{margin:0;font-size:15.5px;line-height:1.75;color:var(--color-text-muted)}
.tv-faq-item::details-content{block-size:0;overflow:hidden;transition:block-size .3s ease,content-visibility .3s allow-discrete}
.tv-faq-item[open]::details-content{block-size:auto}

/* ---------- Thẻ liên hệ ---------- */
.tv-contact{margin:28px 0 8px;border-radius:22px;overflow:hidden;border:1.5px solid rgba(0,87,194,.2);background:#fff;box-shadow:0 14px 34px rgba(1,27,88,.1)}
.tv-contact-head{display:flex;align-items:center;gap:16px;padding:20px 24px;background:linear-gradient(135deg,var(--color-primary-dark),var(--color-primary));color:#fff}
.tv-contact-head img{flex:none;width:58px;height:58px;border-radius:14px;background:#fff;padding:6px;object-fit:contain}
.prose .tv-contact-head p{margin:0;font-size:12.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--color-primary-light)}
.prose .tv-contact-head h3{margin:2px 0 0;font-size:20px;line-height:1.3;color:#fff}
.tv-contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:0}
.prose .tv-contact-row{display:flex;gap:14px;margin:0;padding:16px 24px;border-bottom:1px solid rgba(0,87,194,.1);font-size:15px;line-height:1.55}
.tv-contact-row:nth-child(odd){border-right:1px solid rgba(0,87,194,.1)}
.tv-contact-row--wide{grid-column:1/-1;border-right:0!important}
.tv-contact-row small{display:block;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--color-text-muted);margin-bottom:2px}
.prose .tv-contact-row a{color:var(--color-primary-dark);font-weight:700;text-decoration:none}
.prose .tv-contact-row a:hover{color:var(--color-primary)}
.tv-ico{flex:none;width:38px;height:38px;border-radius:12px;background:var(--color-cream);position:relative}
.tv-ico::before{content:"";position:absolute;inset:9px;background:var(--color-primary);-webkit-mask:var(--i) center/contain no-repeat;mask:var(--i) center/contain no-repeat}
.tv-ico--pin{--i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 21s-7-6.2-7-11.5A7 7 0 0 1 19 9.5C19 14.8 12 21 12 21z'/%3E%3Ccircle cx='12' cy='9.5' r='2.5'/%3E%3C/svg%3E")}
.tv-ico--factory{--i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3 21V9l6 4V9l6 4V5h6v16z'/%3E%3Cpath d='M7 17h2M12 17h2M17 17h1'/%3E%3C/svg%3E")}
.tv-ico--phone{--i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M22 16.9v3a2 2 0 0 1-2.2 2 19.8 19.8 0 0 1-8.6-3.1 19.5 19.5 0 0 1-6-6A19.8 19.8 0 0 1 2.1 4.2 2 2 0 0 1 4.1 2h3a2 2 0 0 1 2 1.7c.1.9.4 1.8.7 2.7a2 2 0 0 1-.5 2.1L8 9.8a16 16 0 0 0 6 6l1.3-1.3a2 2 0 0 1 2.1-.4c.9.3 1.8.6 2.7.7a2 2 0 0 1 1.7 2z'/%3E%3C/svg%3E")}
.tv-ico--mail{--i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='2' y='4' width='20' height='16' rx='2'/%3E%3Cpath d='m22 7-10 6L2 7'/%3E%3C/svg%3E")}
.tv-ico--web{--i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Cpath d='M2 12h20M12 2a15 15 0 0 1 0 20M12 2a15 15 0 0 0 0 20'/%3E%3C/svg%3E")}
.tv-contact-cta{display:flex;flex-wrap:wrap;gap:12px;padding:18px 24px;background:var(--color-cream)}
.prose .tv-btn{white-space:nowrap;display:inline-flex;align-items:center;gap:8px;padding:12px 20px;border-radius:999px;font-size:15px;font-weight:700;text-decoration:none;transition:transform .2s,box-shadow .2s}
.prose .tv-btn:hover{transform:translateY(-2px)}
.prose .tv-btn svg{flex:none;width:19px;height:19px}
.prose .tv-btn .tv-btn-zalo-ico{width:30px;height:30px;margin:-6px -2px -6px -6px}
.prose .tv-btn--call{background:var(--color-primary);color:#fff;box-shadow:0 8px 18px rgba(0,87,194,.3)}
.prose .tv-btn--call:hover{color:#fff}
.prose .tv-btn--zalo{background:#0068ff;color:#fff;box-shadow:0 8px 18px rgba(0,104,255,.25)}
.prose .tv-btn--zalo:hover{color:#fff}

@media (max-width:640px){
  .prose h2:has(> .tv-h2-ico){gap:10px}
  .tv-h2-ico{width:36px;height:36px;border-radius:11px}
  .tv-h2-ico svg{width:20px;height:20px}
  .tv-model{grid-template-columns:1fr}
  .tv-model:nth-child(even) .tv-model-figure{order:0}
  .tv-model-media{flex:none;aspect-ratio:4/3;min-height:0}
  .tv-model-body{padding:18px}
  .prose .tv-model-body h3{font-size:19px}
  .tv-faq-item summary{padding:14px;gap:10px}
  .tv-faq-q{width:30px;height:30px;font-size:14px}
  .prose .tv-faq-item summary h3{font-size:15.5px}
  .tv-faq-a{padding:0 14px 16px 14px}
  .tv-contact-head{padding:16px 18px}
  .tv-contact-head img{width:48px;height:48px}
  .prose .tv-contact-head h3{font-size:17px}
  .tv-contact-grid{grid-template-columns:1fr}
  .tv-contact-row:nth-child(odd){border-right:0}
  .prose .tv-contact-row{padding:14px 18px}
  .tv-contact-cta{padding:16px 18px}
  .prose .tv-btn{flex:1 1 100%;justify-content:center;white-space:nowrap}
}


/* ---------- Slider ảnh gọn (tv-gallery): dải ảnh trượt ngang, bấm ảnh để phóng to (js/media.js) ---------- */
.tv-gallery{margin:22px 0 26px;position:relative}
.tv-gallery-track{display:flex;gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;scroll-behavior:smooth;padding:2px 2px 10px;margin:0;list-style:none;scrollbar-width:thin;scrollbar-color:rgba(0,87,194,.35) transparent;overscroll-behavior-x:contain}
.tv-gallery-track::-webkit-scrollbar{height:6px}
.tv-gallery-track::-webkit-scrollbar-thumb{background:rgba(0,87,194,.3);border-radius:6px}
.tv-gallery-item{flex:0 0 calc((100% - 36px)/4);scroll-snap-align:start;margin:0;position:relative}
.tv-gallery-media{position:relative;display:block;width:100%;aspect-ratio:3/4;border-radius:14px;overflow:hidden;background:var(--color-cream);cursor:zoom-in;box-shadow:0 6px 18px rgba(1,27,88,.12)}
.tv-gallery-media img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s ease}
.tv-gallery-media:hover img{transform:scale(1.05)}
.tv-gallery-media::after{content:"";position:absolute;inset:auto 0 0;height:45%;background:linear-gradient(transparent,rgba(0,0,0,.55));pointer-events:none}
.tv-gallery-no{position:absolute;top:10px;left:10px;z-index:2;min-width:30px;height:30px;padding:0 8px;border-radius:15px;display:grid;place-items:center;background:rgba(255,255,255,.92);color:var(--color-primary);font-size:13px;font-weight:800;box-shadow:0 2px 8px rgba(0,0,0,.15)}
.tv-gallery--warn .tv-gallery-no{color:#b3261e}
.tv-gallery-cap{position:absolute;left:12px;right:12px;bottom:10px;z-index:2;margin:0 !important;color:#fff;font-size:14px;line-height:1.4;font-weight:600;text-shadow:0 1px 3px rgba(0,0,0,.45)}
.tv-gallery-btn{position:absolute;top:calc(50% - 26px);z-index:3;width:42px;height:42px;border-radius:50%;border:0;display:grid;place-items:center;background:#fff;color:var(--color-primary);box-shadow:0 6px 16px rgba(0,0,0,.18);cursor:pointer;transition:opacity .2s,transform .2s}
.tv-gallery-btn:hover{transform:scale(1.08)}
.tv-gallery-btn[disabled]{opacity:0;pointer-events:none}
.tv-gallery-btn svg{width:20px;height:20px}
.tv-gallery-btn--prev{left:-14px}
.tv-gallery-btn--next{right:-14px}
.tv-gallery figcaption.tv-gallery-caption{margin-top:6px;font-size:14px;color:var(--color-text-muted);text-align:center;font-style:italic}
@media (max-width:900px){.tv-gallery-item{flex-basis:calc((100% - 24px)/3)}}
@media (max-width:640px){
  .tv-gallery-item{flex-basis:62%}
  .tv-gallery-btn{display:none}
  .tv-gallery-cap{font-size:13px}
}

/* Phóng to ảnh (tạo bởi js/media.js) */
.tv-lightbox{position:fixed;inset:0;z-index:2147483000;display:flex;align-items:center;justify-content:center;background:rgba(0,16,47,.92);padding:48px 16px 64px;opacity:0;transition:opacity .2s}
.tv-lightbox.is-open{opacity:1}
.tv-lightbox img{max-width:min(1280px,100%);max-height:100%;object-fit:contain;border-radius:8px;box-shadow:0 20px 60px rgba(0,0,0,.5)}
.tv-lightbox-cap{position:absolute;left:16px;right:16px;bottom:18px;text-align:center;color:#fff;font-size:15px;line-height:1.5}
.tv-lightbox button{position:absolute;border:0;background:rgba(255,255,255,.14);color:#fff;width:46px;height:46px;border-radius:50%;display:grid;place-items:center;cursor:pointer}
.tv-lightbox button:hover{background:rgba(255,255,255,.26)}
.tv-lightbox button svg{width:22px;height:22px}
.tv-lightbox-close{top:12px;right:12px}
.tv-lightbox-prev{left:12px;top:calc(50% - 23px)}
.tv-lightbox-next{right:12px;top:calc(50% - 23px)}

/* ---------- Video (tv-video): ảnh chờ phủ đầy khung + nút Play, video chỉ tải khi bấm (js/media.js) ---------- */
.tv-video{margin:22px 0 26px}
.tv-video-frame{position:relative;aspect-ratio:16/9;border-radius:18px;overflow:hidden;background:#00102f;box-shadow:0 14px 34px rgba(1,27,88,.22)}
.tv-video-frame video{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;background:#000}
.tv-video-cover{position:absolute;inset:0;z-index:2;width:100%;height:100%;padding:0;border:0;cursor:pointer;background:#00102f;display:block}
.tv-video-cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .7s ease,filter .4s}
.tv-video-cover::before{content:"";position:absolute;inset:0;z-index:1;background:radial-gradient(circle at center,rgba(0,0,0,.05) 0,rgba(0,0,0,.45) 100%)}
.tv-video-cover:hover img{transform:scale(1.04);filter:brightness(1.05)}
.tv-video-play{position:absolute;z-index:2;left:50%;top:50%;width:88px;height:88px;margin:-44px 0 0 -44px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(145deg,var(--color-primary-light),var(--color-primary));color:#fff;box-shadow:0 10px 30px rgba(0,0,0,.35),inset 0 1px 0 rgba(255,255,255,.35);transition:transform .25s ease}
.tv-video-play::before,.tv-video-play::after{content:"";position:absolute;inset:-10px;border-radius:50%;border:2px solid rgba(255,255,255,.75);animation:tv-play-ring 2.2s ease-out infinite}
.tv-video-play::after{animation-delay:1.1s}
.tv-video-play svg{width:34px;height:34px;margin-left:5px;filter:drop-shadow(0 2px 3px rgba(0,0,0,.25))}
.tv-video-cover:hover .tv-video-play,.tv-video-cover:focus-visible .tv-video-play{transform:scale(1.08)}
.tv-video-cover:focus-visible{outline:3px solid var(--color-primary-light);outline-offset:-3px}
@keyframes tv-play-ring{0%{transform:scale(.85);opacity:.9}100%{transform:scale(1.45);opacity:0}}
.tv-video-badge{position:absolute;z-index:2;left:16px;bottom:16px;display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:999px;background:rgba(255,255,255,.94);color:var(--color-primary-dark);font-size:14px;font-weight:700;box-shadow:0 4px 14px rgba(0,0,0,.2)}
.tv-video-badge i{font-style:normal;color:var(--color-text-muted);font-weight:600}
.tv-video.is-playing .tv-video-cover{opacity:0;visibility:hidden;transition:opacity .3s,visibility 0s .3s}
.tv-video figcaption{margin-top:10px;font-size:14px;color:var(--color-text-muted);text-align:center;font-style:italic}
@media (prefers-reduced-motion:reduce){.tv-video-play::before,.tv-video-play::after{animation:none;opacity:.6}}
@media (max-width:640px){
  .tv-video-frame{border-radius:12px}
  .tv-video-play{width:66px;height:66px;margin:-33px 0 0 -33px}
  .tv-video-play svg{width:26px;height:26px}
  .tv-video-badge{left:10px;bottom:10px;font-size:12px;padding:5px 10px}
}

/* ---------- Tác hại (tv-harms): lưới thẻ cảnh báo ---------- */
.tv-harms{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin:18px 0 24px;padding:0;list-style:none}
.tv-harm{display:flex;gap:14px;align-items:flex-start;padding:16px 18px;border-radius:14px;background:#fff6f4;border:1px solid #f3d6d0}
.tv-harm-ico{flex:none;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:#fde3de;color:#b3261e}
.tv-harm-ico svg{width:22px;height:22px}
.tv-harm h3{margin:0 0 4px !important;font-size:17px;line-height:1.35;color:#8c1d18}
.tv-harm p{margin:0 !important;font-size:15px;line-height:1.55}
@media (max-width:640px){.tv-harms{grid-template-columns:1fr;gap:10px}.tv-harm{padding:14px}}

/* ---------- Công trình dẫn chứng theo năm (tv-proof) ----------
   Timeline dọc: mốc năm bên trái (nối bằng 1 đường), thẻ bên phải = ảnh (bấm phóng to, js/media.js)
   + tên + địa điểm/năm thi công + giới thiệu ngắn + số năm đã sử dụng. Mobile: ảnh trên, chữ dưới. */
.tv-proof{position:relative;display:flex;flex-direction:column;gap:18px}
.tv-proof::before{content:"";position:absolute;left:35px;top:24px;bottom:24px;width:3px;border-radius:3px;background:linear-gradient(180deg,var(--color-primary-light),var(--color-primary))}
.tv-proof-item{position:relative;display:grid;grid-template-columns:72px minmax(0,1fr);gap:16px;align-items:start}
.tv-proof-year{position:relative;z-index:1;display:grid;place-items:center;height:48px;border-radius:24px;background:var(--color-primary);color:#fff;font-size:17px;font-weight:800;letter-spacing:.02em;box-shadow:0 0 0 5px #fff,0 8px 18px rgba(0,87,194,.25)}
.tv-proof-card{display:grid;grid-template-columns:minmax(0,40%) minmax(0,1fr);border-radius:18px;overflow:hidden;background:#fff;border:1px solid rgba(0,87,194,.14);box-shadow:0 8px 22px rgba(1,27,88,.07);transition:box-shadow .25s ease,transform .25s ease}
.tv-proof-card:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(1,27,88,.13)}
.tv-proof-media{position:relative;min-height:190px;background:var(--color-cream);cursor:zoom-in;overflow:hidden}
.tv-proof-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s ease}
.tv-proof-card:hover .tv-proof-media img{transform:scale(1.05)}
.tv-proof-body{padding:16px 18px;display:flex;flex-direction:column;gap:8px}
.prose .tv-proof-body h3{margin:0 !important;font-size:18px;line-height:1.3;color:var(--color-primary-dark)}
.tv-proof-body h3 a{color:var(--color-primary-dark)}
.prose .tv-proof-meta{margin:0 !important;display:flex;flex-wrap:wrap;gap:6px 14px;font-size:13.5px;line-height:1.4;color:var(--color-text-muted);font-weight:600}
.tv-proof-meta span{display:inline-flex;align-items:center;gap:5px}
.tv-proof-meta svg{flex:none;width:15px;height:15px;color:var(--color-primary)}
.prose .tv-proof-desc{margin:0 !important;font-size:15px;line-height:1.65;color:var(--color-text)}
.prose .tv-proof-age{margin:2px 0 0 !important;align-self:flex-start;padding:4px 12px;border-radius:999px;background:rgba(30,139,255,.22);color:var(--color-primary-dark);font-size:13px;font-weight:700}
@media (max-width:640px){
  .tv-proof{gap:14px}
  .tv-proof::before{left:23px}
  .tv-proof-item{grid-template-columns:48px minmax(0,1fr);gap:10px}
  .tv-proof-year{height:34px;border-radius:17px;font-size:13px;box-shadow:0 0 0 4px #fff,0 6px 14px rgba(0,87,194,.25)}
  .tv-proof-card{grid-template-columns:1fr}
  .tv-proof-media{min-height:0;aspect-ratio:4/3}
  .tv-proof-body{padding:14px}
  .prose .tv-proof-body h3{font-size:17px}
}

/* Gỡ kiểu danh sách mặc định của thân bài (category.css thêm chấm/số + lề cho mọi ul/ol/li) khỏi các khối trên */
.prose ul.tv-gallery-track,.prose ul.tv-harms,.prose ol.tv-proof{padding:0;list-style:none;counter-reset:none}
.prose ul.tv-gallery-track{margin:0}
.prose ul.tv-harms{margin:18px 0 24px}
.prose ol.tv-proof{margin:26px 0 22px}
.prose ul.tv-gallery-track>li,.prose ul.tv-harms>li,.prose ol.tv-proof>li{padding:0;margin:0}
.prose ul.tv-gallery-track>li::before,.prose ul.tv-harms>li::before,.prose ol.tv-proof>li::before{content:none;display:none}
.prose ul.tv-harms>li.tv-harm{padding:16px 18px}
@media (max-width:640px){.prose ul.tv-harms>li.tv-harm{padding:14px}}

/* Khối quy trình trong thân bài (cameramienbac.com.vn): thanh tóm tắt 5 bước + timeline dọc.
   Chỉ CSS, không cần JS. Markup: .tv-process-wrap > .tv-process-map + ol.tv-process > li.tv-step */
.tv-process-wrap{margin:8px 0 36px}

/* Thanh tóm tắt: 5 icon nối bằng 1 đường */
.tv-process-map{position:relative;display:grid;grid-template-columns:repeat(5,1fr);gap:8px;padding:22px 18px 18px;margin-bottom:26px;border-radius:20px;background:linear-gradient(135deg,var(--color-primary-dark),var(--color-primary));color:#fff;box-shadow:0 16px 36px rgba(1,27,88,.18)}
.tv-process-map::before{content:"";position:absolute;left:10%;right:10%;top:48px;height:2px;background:repeating-linear-gradient(90deg,rgba(255,255,255,.55) 0 8px,transparent 8px 14px)}
.tv-map-item{position:relative;display:flex;flex-direction:column;align-items:center;gap:10px;text-align:center}
.tv-map-dot{width:54px;height:54px;border-radius:50%;display:grid;place-items:center;background:#fff;color:var(--color-primary);box-shadow:0 0 0 6px rgba(30,139,255,.35)}
.tv-map-dot svg{width:24px;height:24px}
.tv-map-label{font-size:13.5px;font-weight:700;line-height:1.3}
.tv-map-label small{display:block;font-size:11px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--color-primary-light);margin-bottom:2px}

/* Hiện lần lượt 5 bước khi thanh tóm tắt cuộn tới lần đầu (class is-in do js/blocks.js gắn) */
.tv-js .tv-process-map .tv-map-item{opacity:0;transform:translateY(18px) scale(.85);transition:opacity .5s ease,transform .6s cubic-bezier(.2,.8,.2,1.2)}
.tv-js .tv-process-map::before{transform:scaleX(0);transform-origin:left;transition:transform 1s ease .15s}
.tv-js .tv-process-map.is-in .tv-map-item{opacity:1;transform:none}
.tv-js .tv-process-map.is-in::before{transform:scaleX(1)}
.tv-process-map .tv-map-item:nth-child(2){transition-delay:.12s}
.tv-process-map .tv-map-item:nth-child(3){transition-delay:.24s}
.tv-process-map .tv-map-item:nth-child(4){transition-delay:.36s}
.tv-process-map .tv-map-item:nth-child(5){transition-delay:.48s}

/* Timeline */
.prose ol.tv-process{margin:0;padding:0;list-style:none;counter-reset:none}
.prose ol.tv-process>li.tv-step{display:grid;grid-template-columns:64px 1fr;gap:0 18px;margin:0;padding:0}
.prose ol.tv-process>li.tv-step::before{content:none}
.tv-step-rail{position:relative;display:flex;justify-content:center}
.tv-step-rail::after{content:"";position:absolute;top:58px;bottom:-6px;width:3px;border-radius:2px;background:linear-gradient(180deg,var(--color-primary-light),rgba(30,139,255,.15))}
.tv-step:last-child .tv-step-rail::after{content:none}
.tv-step-num{position:relative;z-index:1;width:52px;height:52px;border-radius:16px;display:grid;place-items:center;background:var(--color-primary);color:#fff;font-weight:800;font-size:18px;box-shadow:0 8px 18px rgba(0,87,194,.28);transform:rotate(-4deg);transition:background-color .3s ease,color .3s ease,box-shadow .3s ease}
/* Rê chuột vào nội dung bước -> đổi màu nền và màu số cho nhau (viền xanh để ô trắng không chìm vào nền trang) */
.tv-step:hover .tv-step-num{background:#fff;color:var(--color-primary);box-shadow:inset 0 0 0 2px var(--color-primary),0 8px 18px rgba(0,87,194,.18)}
.tv-step-card{position:relative;margin-bottom:20px;padding:20px 22px;border-radius:18px;background:#fff;border:1px solid rgba(0,87,194,.14);box-shadow:0 6px 18px rgba(1,27,88,.06);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.tv-step-card::before{content:"";position:absolute;left:-9px;top:18px;width:16px;height:16px;background:#fff;border-left:1px solid rgba(0,87,194,.14);border-bottom:1px solid rgba(0,87,194,.14);transform:rotate(45deg)}
.tv-step-card:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(1,27,88,.12);border-color:rgba(0,87,194,.35)}
.tv-step-head{display:flex;align-items:center;gap:14px;margin-bottom:10px}
.tv-step-icon{flex:none;width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:var(--color-cream);color:var(--color-primary)}
.tv-step-icon svg{width:24px;height:24px}
.tv-step-kicker{display:block;font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--color-primary-light)}
.prose .tv-step-head h3{margin:2px 0 0;font-size:19px;line-height:1.3;color:var(--color-primary-dark)}
.prose .tv-step-card p{margin:0;font-size:15.5px;line-height:1.75}
.tv-step-out{display:inline-flex;align-items:center;gap:6px;margin-top:12px;padding:5px 12px;border-radius:999px;background:rgba(30,139,255,.16);color:var(--color-primary-dark);font-size:13px;font-weight:700}
.tv-step-out svg{width:15px;height:15px}
.tv-step:last-child .tv-step-card{margin-bottom:0}
.prose .tv-process-note{display:flex;align-items:center;gap:12px;margin:30px 0 0;padding:14px 18px;border-radius:14px;background:var(--color-cream);border:1px dashed rgba(0,87,194,.3);font-size:15px;line-height:1.55;color:var(--color-text)}
.tv-process-note svg{flex:none;width:26px;height:26px;color:var(--color-primary)}

/* Hiện dần từng bước khi cuộn tới (trình duyệt hỗ trợ scroll-driven animation) */
@supports (animation-timeline:view()){
  @media (prefers-reduced-motion:no-preference){
    .tv-step-card{animation:tv-rise linear both;animation-timeline:view();animation-range:entry 0% entry 60%}
    @keyframes tv-rise{from{opacity:0;transform:translateY(28px)}to{opacity:1;transform:none}}
  }
}

@media (max-width:640px){
  .tv-process-map{grid-template-columns:repeat(5,1fr);gap:4px;padding:16px 8px 14px}
  .tv-process-map::before{top:38px}
  .tv-map-dot{width:40px;height:40px;box-shadow:0 0 0 4px rgba(30,139,255,.35)}
  .tv-map-dot svg{width:18px;height:18px}
  .tv-map-label{font-size:11px}
  .tv-map-label small{font-size:9.5px;letter-spacing:.06em}
  .prose ol.tv-process>li.tv-step{grid-template-columns:40px 1fr;gap:0 12px}
  .tv-step-num{width:38px;height:38px;border-radius:12px;font-size:15px}
  .tv-step-rail::after{top:44px}
  .tv-step-card{padding:16px}
  .tv-step-card::before{top:12px}
  .tv-step-head{gap:10px}
  .tv-step-icon{width:40px;height:40px;border-radius:12px}
  .prose .tv-step-head h3{font-size:17px}
}

/* Slider ảnh trong thân bài (cameramienbac.com.vn). Markup: figure.tv-slider[data-slider] > .tv-slider-frame
   > ul.tv-slider-track > li.tv-slide ; điều khiển bằng js/slider.js. Trượt bằng scroll-snap nên vuốt
   trên điện thoại là trượt tự nhiên, không cần thư viện. */
.tv-slider{margin:8px 0 36px}
.tv-slider-frame{position:relative;border-radius:20px;overflow:hidden;background:#001336;box-shadow:0 18px 44px rgba(1,27,88,.18)}
.tv-slider-frame:focus-visible{outline:3px solid var(--color-primary-light);outline-offset:3px}
.prose .tv-slider-track{display:flex;margin:0;padding:0;list-style:none;overflow-x:auto;overscroll-behavior-x:contain;scroll-snap-type:x mandatory;scroll-behavior:smooth;scrollbar-width:none}
.tv-slider-track::-webkit-scrollbar{display:none}
.prose .tv-slide{position:relative;flex:0 0 100%;margin:0;padding:0;aspect-ratio:16/10;scroll-snap-align:start;overflow:hidden}
.prose .tv-slide::before{content:none}
.tv-slide-media{position:absolute;inset:0}
.tv-slide-media img{width:100%;height:100%;object-fit:cover;display:block;transform:scale(1);transition:transform 6s ease-out}
.tv-slide.is-active .tv-slide-media img{transform:scale(1.07)}
.tv-slide-body{position:absolute;left:0;right:0;bottom:0;padding:90px 30px 28px;background:linear-gradient(180deg,rgba(0,19,54,0) 0%,rgba(0,19,54,.6) 40%,rgba(0,19,54,.92) 100%);color:#fff;transform:translateY(12px);opacity:.0;transition:transform .5s ease .1s,opacity .5s ease .1s}
.tv-slide.is-active .tv-slide-body{transform:none;opacity:1}
.tv-slide-no{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:#001336;background:var(--color-primary-light);border-radius:999px;padding:4px 12px}
.prose .tv-slide-body h3{font-size:26px;line-height:1.25;color:#fff;margin:12px 0 8px}
.prose .tv-slide-body p{margin:0;font-size:15.5px;line-height:1.65;color:rgba(255,255,255,.9);max-width:560px}
.tv-slide-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.tv-slide-tags span{font-size:12.5px;font-weight:600;color:#fff;border:1px solid rgba(255,255,255,.35);border-radius:999px;padding:3px 10px;background:rgba(255,255,255,.08)}
.tv-slider-btn{position:absolute;top:calc(50% - 26px);z-index:2;width:52px;height:52px;border:0;border-radius:50%;background:rgba(255,255,255,.92);color:var(--color-primary-dark);display:grid;place-items:center;cursor:pointer;box-shadow:0 8px 20px rgba(0,0,0,.2);transition:transform .2s,background .2s}
.tv-slider-btn:hover{background:#fff;transform:scale(1.06)}
.tv-slider-btn svg{width:22px;height:22px}
.tv-slider-btn--prev{left:16px}
.tv-slider-btn--next{right:16px}
.tv-slider-count{position:absolute;top:16px;right:16px;z-index:2;font-size:13px;font-weight:700;color:#fff;background:rgba(0,19,54,.55);backdrop-filter:blur(6px);border-radius:999px;padding:5px 12px}
.tv-slider-tabs{display:flex;gap:8px;margin-top:14px;overflow-x:auto;scrollbar-width:none;padding-bottom:2px}
.tv-slider-tabs::-webkit-scrollbar{display:none}
.tv-slider-tab{flex:none;display:flex;align-items:center;gap:8px;border:1.5px solid rgba(0,87,194,.2);background:#fff;color:var(--color-text-muted);border-radius:999px;padding:7px 14px 7px 7px;font:600 14px/1.2 var(--font-body);cursor:pointer;transition:.2s}
.tv-slider-tab img{width:28px;height:28px;border-radius:50%;object-fit:cover}
.tv-slider-tab.is-active{background:var(--color-primary);border-color:var(--color-primary);color:#fff}
.tv-slider-tab:hover:not(.is-active){border-color:var(--color-primary);color:var(--color-primary)}
.tv-slider-caption{margin-top:14px;padding:12px 16px;border-left:3px solid var(--color-primary-light);background:var(--color-cream);border-radius:0 12px 12px 0;font-size:14.5px;line-height:1.6;font-style:italic;color:var(--color-text-muted)}
@media (max-width:640px){
  .prose .tv-slide{aspect-ratio:4/5}
  .tv-slide-body{padding:70px 18px 20px}
  .prose .tv-slide-body h3{font-size:21px}
  .prose .tv-slide-body p{font-size:14.5px}
  .tv-slider-btn{width:40px;height:40px;top:34%}
  .tv-slider-btn svg{width:18px;height:18px}
  .tv-slider-btn--prev{left:10px}.tv-slider-btn--next{right:10px}
}
@media (prefers-reduced-motion:reduce){.tv-slide-media img,.tv-slide-body{transition:none}.prose .tv-slider-track{scroll-behavior:auto}}



/* ---------- Bảng số liệu (tv-table) + mục lục đầu bài (tv-toc): riêng cameramienbac ---------- */
.tv-table-wrap{margin:18px 0 26px;overflow-x:auto;border-radius:14px;border:1px solid rgba(0,87,194,.16);box-shadow:0 8px 22px rgba(1,27,88,.06)}
.tv-table{width:100%;border-collapse:collapse;font-size:15px;line-height:1.5;background:#fff}
.tv-table caption{caption-side:bottom;padding:10px 14px;font-size:13.5px;font-style:italic;color:var(--color-text-muted);text-align:left;background:#f8fbfe}
.tv-table th{background:linear-gradient(135deg,var(--color-primary-dark),var(--color-primary));color:#fff;font-weight:700;text-align:left;padding:12px 14px;white-space:nowrap}
.tv-table td{padding:11px 14px;border-top:1px solid rgba(0,87,194,.1);color:var(--color-text)}
.tv-table tbody tr:nth-child(even) td{background:#f8fbfe}
.tv-table td:first-child{font-weight:700;color:var(--color-primary-dark)}
.tv-toc{margin:20px 0 28px;padding:18px 22px;border-radius:16px;background:var(--color-cream);border:1px solid rgba(0,87,194,.14)}
.prose .tv-toc p{margin:0 0 8px;font-size:13px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--color-primary)}
.prose .tv-toc ol{margin:0;padding-left:20px;display:grid;grid-template-columns:1fr 1fr;gap:6px 24px}
.prose .tv-toc li{margin:0}
.prose .tv-toc a{color:var(--color-primary-dark);text-decoration:none;font-weight:600}
.prose .tv-toc a:hover{color:var(--color-primary);text-decoration:underline}
.prose [id]{scroll-margin-top:calc(var(--header-h,72px) + 20px)}
@media (max-width:640px){.prose .tv-toc ol{grid-template-columns:1fr}.tv-table{font-size:14px}.tv-table th,.tv-table td{padding:10px 12px}}
/* Cột bài viết trong lưới .doc là ô lưới: mặc định min-width:auto khiến bảng/dải ảnh rộng đẩy
   cả trang tràn ngang trên mobile. Cho phép co lại để khối tự cuộn bên trong. */
.doc > .prose{min-width:0}

/* ======================================================================================
   Khối riêng cameramienbac (sáng tạo thêm, không có ở bộ khối gốc)
   ====================================================================================== */

/* ---------- Hero số liệu đầu bài (tv-hero-strip): 3-4 ô nổi bật ---------- */
.tv-strip{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin:22px 0 28px}
.tv-strip-item{position:relative;padding:18px 16px 16px;border-radius:16px;background:linear-gradient(145deg,#011b58,#0057c2);color:#fff;overflow:hidden;box-shadow:0 12px 28px rgba(1,27,88,.18)}
.tv-strip-item::after{content:"";position:absolute;right:-30px;top:-30px;width:110px;height:110px;border-radius:50%;background:radial-gradient(circle,rgba(41,216,255,.35),transparent 70%)}
.prose .tv-strip-num{display:block;margin:0;font-size:34px;line-height:1;font-weight:800;letter-spacing:-.02em;color:#4ae6ff}
.prose .tv-strip-item p{margin:8px 0 0;font-size:14px;line-height:1.45;color:rgba(255,255,255,.9)}

/* ---------- Thẻ dấu hiệu (tv-signs): ảnh + số lớn + triệu chứng / nguyên nhân / cách khắc phục ---------- */
.prose ol.tv-signs{list-style:none;padding:0;margin:20px 0 32px;display:flex;flex-direction:column;gap:22px;counter-reset:none}
.prose ol.tv-signs>li{margin:0;padding:0}
.tv-sign{display:grid;grid-template-columns:minmax(0,42%) minmax(0,1fr);border-radius:20px;overflow:hidden;background:#fff;border:1px solid rgba(0,87,194,.14);box-shadow:0 12px 30px rgba(1,27,88,.08)}
.tv-sign:nth-child(even) .tv-sign-media{order:2}
.tv-sign-media{position:relative;min-height:260px;background:#dce7f4;overflow:hidden}
.tv-sign-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border-radius:0!important;transition:transform .6s ease}
.tv-sign:hover .tv-sign-media img{transform:scale(1.05)}
.tv-sign-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,19,54,0) 45%,rgba(0,19,54,.75))}
.tv-sign-no{position:absolute;z-index:2;left:16px;bottom:10px;font-size:64px;line-height:1;font-weight:800;color:#fff;letter-spacing:-.04em;text-shadow:0 4px 18px rgba(0,0,0,.35)}
.tv-sign-no small{display:block;font-size:12px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:#4ae6ff;margin-bottom:2px;text-shadow:none}
.tv-sign-body{padding:22px 24px}
.prose .tv-sign-body h3{margin:0 0 12px;font-size:20px;line-height:1.3;color:var(--color-primary-dark)}
.tv-sign-rows{display:grid;gap:10px}
.prose .tv-sign-row{display:grid;grid-template-columns:30px 1fr;gap:10px;align-items:start;margin:0;font-size:15px;line-height:1.6}
.tv-sign-row i{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;font-style:normal}
.tv-sign-row i svg{width:17px;height:17px}
.tv-sign-row b{display:block;font-size:12px;letter-spacing:.08em;text-transform:uppercase;margin-bottom:1px}
.tv-sign-row--bad i{background:#fde3de;color:#b3261e}.tv-sign-row--bad b{color:#b3261e}
.tv-sign-row--why i{background:#fff3d6;color:#a86200}.tv-sign-row--why b{color:#a86200}
.tv-sign-row--fix i{background:#dff6e8;color:#11804a}.tv-sign-row--fix b{color:#11804a}
@media (max-width:640px){
  .tv-sign{grid-template-columns:1fr}.tv-sign:nth-child(even) .tv-sign-media{order:0}
  .tv-sign-media{min-height:0;aspect-ratio:16/10}.tv-sign-no{font-size:48px}
  .tv-sign-body{padding:18px}.prose .tv-sign-body h3{font-size:18px}
}

/* ---------- Tự kiểm tra (tv-check): tick dấu hiệu -> thanh mức độ + lời khuyên (js/smart.js) ---------- */
.tv-check{margin:22px 0 32px;border-radius:22px;overflow:hidden;border:1.5px solid rgba(0,87,194,.2);background:#fff;box-shadow:0 16px 38px rgba(1,27,88,.1)}
.tv-check-head{display:flex;align-items:center;gap:14px;padding:18px 22px;background:linear-gradient(135deg,#011b58,#0057c2);color:#fff}
.tv-check-head svg{flex:none;width:36px;height:36px;color:#4ae6ff}
.prose .tv-check-head p{margin:0;font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:#4ae6ff}
.prose .tv-check-head h3{margin:2px 0 0;font-size:19px;color:#fff}
.tv-check-list{list-style:none;margin:0!important;padding:10px 14px!important;display:grid;grid-template-columns:1fr 1fr;gap:8px}
.prose .tv-check-list>li{margin:0}
.tv-check-list label{display:flex;align-items:flex-start;gap:12px;padding:12px 14px;border-radius:12px;border:1.5px solid #e3ecf7;cursor:pointer;font-size:15px;line-height:1.45;transition:border-color .2s,background .2s}
.tv-check-list label:hover{border-color:var(--color-primary-light)}
.tv-check-list input{position:absolute;opacity:0;pointer-events:none}
.tv-check-box{flex:none;width:24px;height:24px;border-radius:7px;border:2px solid #9bb4d6;display:grid;place-items:center;transition:.2s;background:#fff}
.tv-check-box svg{width:15px;height:15px;color:#fff;opacity:0}
.tv-check-list input:checked+.tv-check-box{background:var(--color-primary);border-color:var(--color-primary)}
.tv-check-list input:checked+.tv-check-box svg{opacity:1}
.tv-check-list input:focus-visible+.tv-check-box{outline:3px solid var(--color-primary-light);outline-offset:2px}
.tv-check-list label:has(input:checked){border-color:var(--color-primary);background:#f3f8ff}
.tv-check-result{padding:16px 22px 20px;border-top:1px solid #e3ecf7;background:#f8fbfe}
.tv-check-meter{position:relative;height:12px;border-radius:99px;background:linear-gradient(90deg,#1aa260,#f5b400 50%,#e3262f);overflow:hidden}
.tv-check-meter span{position:absolute;inset:0 0 0 auto;width:100%;background:#e3ecf7;transition:width .45s ease}
.prose .tv-check-level{margin:12px 0 4px;font-size:17px;font-weight:800;color:var(--color-primary-dark)}
.prose .tv-check-advice{margin:0;font-size:15px;line-height:1.6;color:var(--color-text-muted)}
.tv-check-cta{display:inline-flex;margin-top:12px;padding:10px 18px;border-radius:999px;background:var(--color-primary);color:#fff!important;font-weight:700;font-size:14.5px;text-decoration:none!important}
.tv-check[data-level="0"] .tv-check-cta{display:none}
@media (max-width:640px){.tv-check-list{grid-template-columns:1fr}.tv-check-head{padding:16px}}

/* ---------- So sánh 2 cột (tv-vs): camera thường vs camera AI ---------- */
.tv-vs{display:grid;grid-template-columns:1fr auto 1fr;gap:0;margin:20px 0 30px;align-items:stretch}
.tv-vs-col{border-radius:20px;padding:20px 22px;border:1.5px solid}
.tv-vs-col--old{background:#fbf6f5;border-color:#f0d7d2}
.tv-vs-col--new{background:linear-gradient(160deg,#f1f7ff,#e6f6ff);border-color:#b9d6fb;box-shadow:0 14px 32px rgba(0,87,194,.12)}
.tv-vs-badge{display:inline-block;padding:4px 12px;border-radius:999px;font-size:12px;font-weight:800;letter-spacing:.1em;text-transform:uppercase}
.tv-vs-col--old .tv-vs-badge{background:#fde3de;color:#b3261e}
.tv-vs-col--new .tv-vs-badge{background:var(--color-primary);color:#fff}
.prose .tv-vs-col h3{margin:10px 0 12px;font-size:19px;color:var(--color-primary-dark)}
.prose .tv-vs-col ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.prose .tv-vs-col li{margin:0;display:grid;grid-template-columns:22px 1fr;gap:8px;font-size:15px;line-height:1.55}
.tv-vs-col li::before{content:"";width:20px;height:20px;margin-top:2px;border-radius:50%;background:center/12px no-repeat}
.tv-vs-col--old li::before{background-color:#f6c9c1;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23b3261e' stroke-width='3.2' stroke-linecap='round'%3E%3Cpath d='M18 6 6 18M6 6l12 12'/%3E%3C/svg%3E")}
.tv-vs-col--new li::before{background-color:var(--color-primary);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m5 12 5 5L20 7'/%3E%3C/svg%3E")}
.tv-vs-mid{display:grid;place-items:center;padding:0 10px}
.tv-vs-mid span{width:46px;height:46px;border-radius:50%;display:grid;place-items:center;background:#fff;border:2px solid #e3ecf7;font-weight:800;color:var(--color-primary);box-shadow:0 6px 16px rgba(1,27,88,.1)}
@media (max-width:640px){.tv-vs{grid-template-columns:1fr}.tv-vs-mid{padding:10px 0}.tv-vs-col{padding:18px}}

/* ---------- Phương án (tv-options): thẻ lựa chọn có mức chi phí / thời gian ---------- */
.tv-options{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:20px 0 30px}
.tv-option{position:relative;display:flex;flex-direction:column;border-radius:20px;overflow:hidden;background:#fff;border:1.5px solid rgba(0,87,194,.14);box-shadow:0 10px 26px rgba(1,27,88,.07);transition:transform .25s,box-shadow .25s}
.tv-option:hover{transform:translateY(-4px);box-shadow:0 18px 38px rgba(1,27,88,.14)}
.tv-option--hot{border-color:var(--color-primary);box-shadow:0 16px 36px rgba(0,87,194,.18)}
.tv-option-flag{position:absolute;z-index:2;top:12px;right:12px;padding:4px 10px;border-radius:999px;background:#e3262f;color:#fff;font-size:11.5px;font-weight:800;letter-spacing:.06em;text-transform:uppercase}
.tv-option-media{aspect-ratio:16/10;overflow:hidden;background:#dce7f4}
.tv-option-media img{width:100%;height:100%;object-fit:cover;border-radius:0!important}
.tv-option-body{flex:1;display:flex;flex-direction:column;padding:16px 18px 18px}
.prose .tv-option-body h3{margin:0 0 8px;font-size:17.5px;line-height:1.3;color:var(--color-primary-dark)}
.prose .tv-option-body p{margin:0 0 12px;font-size:14.5px;line-height:1.6}
.tv-option-meta{margin-top:auto;display:grid;gap:6px;padding-top:10px;border-top:1px dashed #d4e2f3}
.prose .tv-option-meta p{margin:0;display:flex;justify-content:space-between;gap:8px;font-size:13.5px}
.tv-option-meta b{color:var(--color-text-muted);font-weight:600}
.tv-dots{display:inline-flex;gap:3px;align-items:center}
.tv-dots i{width:9px;height:9px;border-radius:50%;background:#d4e2f3}
.tv-dots i.on{background:var(--color-primary)}
@media (max-width:900px){.tv-options{grid-template-columns:1fr}}

/* ---------- Trích dẫn kinh nghiệm (tv-quote) ---------- */
.tv-quote{position:relative;margin:24px 0 28px;padding:22px 24px 22px 70px;border-radius:18px;background:#011b58;color:#fff;box-shadow:0 14px 32px rgba(1,27,88,.2)}
.tv-quote::before{content:"“";position:absolute;left:18px;top:6px;font-size:76px;line-height:1;font-family:Georgia,serif;color:#29d8ff}
.prose .tv-quote p{margin:0;font-size:17px;line-height:1.65;font-style:italic;color:#fff}
.prose .tv-quote cite{display:block;margin-top:10px;font-size:13.5px;font-style:normal;font-weight:700;color:#4ae6ff;letter-spacing:.04em}
@media (max-width:640px){.tv-quote{padding:56px 18px 18px}.tv-quote::before{top:0}}
/* Chặn style mặc định của .prose (ul chấm đầu dòng, blockquote nền nhạt, p cỡ chữ) đè lên khối */
.prose ul.tv-check-list{list-style:none}
.prose blockquote.tv-quote{border:0;border-radius:18px;background:#011b58;font-style:normal;padding:22px 24px 22px 70px}
@media (max-width:640px){.prose blockquote.tv-quote{padding:56px 18px 18px}}
.prose .tv-strip-item .tv-strip-num{margin:0;font-size:34px;line-height:1;color:#4ae6ff}
.prose .tv-option-meta p:last-child{display:grid;grid-template-columns:auto 1fr;gap:10px;text-align:right}
.prose .tv-option-meta p:last-child span{font-weight:600;color:var(--color-primary-dark)}