@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

/* =========================================================
   TÌM KIẾM AI — Giao diện mới (desktop + mobile)
   Giữ nguyên class name của template để không phá chức năng.
   ========================================================= */

:root{
  --tk-primary:#2563eb;--tk-primary-dark:#1d4ed8;--tk-primary-light:#3b82f6;
  --tk-accent:#f97316;--tk-accent-2:#ec4899;
  --tk-ink:#0f172a;--tk-text:#334155;--tk-muted:#64748b;
  --tk-line:#e2e8f0;--tk-bg:#f6f8fc;--tk-card:#ffffff;
  --tk-radius:16px;--tk-radius-sm:10px;
  --tk-shadow-sm:0 1px 2px rgba(15,23,42,.06),0 1px 3px rgba(15,23,42,.04);
  --tk-shadow:0 8px 24px rgba(15,23,42,.08);
  --tk-shadow-lg:0 20px 45px rgba(15,23,42,.14);
  --tk-grad:linear-gradient(135deg,#2563eb 0%,#7c3aed 55%,#ec4899 100%);
  --tk-font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
}
*{box-sizing:border-box;}
html{font-size:16px;-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{margin:0;font-family:var(--tk-font);color:var(--tk-text);background:var(--tk-bg);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden;}
img{max-width:100%;height:auto;}
a{text-decoration:none;color:var(--tk-primary);}
:where(.css-1d4w9r2).ant-layout,.ant-layout{background:var(--tk-bg)!important;}
#root{overflow-x:hidden;}
.ant-layout-content{flex:auto;width:100%;max-width:1240px;margin:0 auto;padding:24px 20px 8px!important;}

/* ===================== FEEDBACK BANNER ===================== */
.feedback-banner{background:linear-gradient(135deg,#eef2ff,#fdf2f8);color:#475569;text-align:center;padding:9px 16px;font-size:.86rem;border-bottom:1px solid var(--tk-line);}
.feedback-banner a{color:var(--tk-primary);font-weight:600;text-decoration:underline;}

/* ===================== HEADER / NAV ===================== */
.ant-layout-header{background:rgba(255,255,255,.92)!important;backdrop-filter:saturate(180%) blur(12px);padding:0!important;border-bottom:1px solid var(--tk-line);box-shadow:var(--tk-shadow-sm);position:sticky;top:0;z-index:1000;height:66px!important;line-height:normal!important;display:flex;align-items:center;}
.ant-layout-header::before{content:none;}

/* Khung trong header */
.ant-layout-header{position:sticky;}
.ant-layout-header > .tk-brand{position:absolute;left:20px;top:50%;transform:translateY(-50%);z-index:2;font-size:1.18rem;font-weight:800;background:var(--tk-grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;white-space:nowrap;}

/* MENU CHÍNH (desktop) - căn phải, chừa chỗ cho brand bên trái */
.ant-menu-overflow,ul.ant-menu-root{width:100%;max-width:1240px;margin:0 auto;padding:0 20px 0 200px!important;display:flex!important;align-items:center;justify-content:flex-end;gap:4px;background:transparent!important;border:none!important;list-style:none;line-height:normal!important;}
.ant-menu-overflow-item,li.ant-menu-item{list-style:none;margin:0!important;padding:0!important;border-radius:10px!important;background:transparent!important;}
.menu-item-wrapper{position:relative;display:flex;align-items:center;gap:4px;padding:8px 14px;border-radius:10px;transition:background .2s ease,color .2s ease;}
.menu-item-wrapper:hover{background:#eff4ff;}
.ant-menu-title-content{line-height:normal!important;}
.ant-menu-title-content a{color:var(--tk-ink)!important;font-weight:600;font-size:.96rem;white-space:nowrap;}
.menu-item-wrapper:hover .ant-menu-title-content a{color:var(--tk-primary)!important;}
.menu-item-wrapper>svg{width:.7em;height:.7em;color:var(--tk-muted);transition:transform .25s ease;flex:none;}
.menu-item-wrapper:hover>svg{transform:rotate(180deg);color:var(--tk-primary);}

/* SUBMENU (desktop dropdown) */
ul.sub-menu{display:none;position:absolute;top:calc(100% + 8px);left:0;background:#fff;padding:8px;margin:0;list-style:none;border:1px solid var(--tk-line);box-shadow:var(--tk-shadow-lg);border-radius:14px;min-width:240px;z-index:1100;}
ul.sub-menu::before{content:"";position:absolute;top:-14px;left:0;right:0;height:14px;}
.menu-item-wrapper:hover .sub-menu{display:block;animation:tkFade .18s ease;}
@keyframes tkFade{from{opacity:0;transform:translateY(-6px);}to{opacity:1;transform:none;}}
.sub-menu li{line-height:normal;}
.sub-menu li a{display:block;padding:9px 14px;color:var(--tk-text)!important;border-radius:9px;font-size:.9rem;font-weight:500;white-space:nowrap;transition:all .15s ease;}
.sub-menu li a::before{position:static!important;content:none!important;}
.sub-menu li a:hover{background:#eff4ff;color:var(--tk-primary)!important;padding-left:18px;}

/* Hamburger */
.tk-mobile-toggle{display:none;margin-left:auto;width:42px;height:42px;border:1px solid var(--tk-line);background:#fff;border-radius:11px;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px;flex:none;}
.tk-mobile-toggle span{display:block;width:20px;height:2px;background:var(--tk-ink);border-radius:2px;transition:all .25s ease;}
.tk-mobile-toggle.open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.tk-mobile-toggle.open span:nth-child(2){opacity:0;}
.tk-mobile-toggle.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.tk-backdrop{display:none;position:fixed;inset:0;background:rgba(15,23,42,.45);z-index:1090;}
.tk-backdrop.show{display:block;}

/* ===================== HERO TITLE ===================== */
.category-search-container{max-width:1100px;margin:0 auto;padding:8px 0 0;background:transparent;}
.category-search-title{font-size:clamp(1.9rem,4.5vw,2.8rem);line-height:1.15;text-align:center;margin:18px 0 10px;font-weight:800;letter-spacing:-.02em;background:var(--tk-grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;}
.category-search-slogan{font-size:clamp(1rem,2.2vw,1.18rem);color:var(--tk-muted);text-align:center;margin:0 auto 26px;max-width:680px;font-weight:500;}

/* ===================== BANNER / CAROUSEL ===================== */
.advertisements-section{margin:0 auto 34px;max-width:1100px;}
.carousel-container{position:relative;border-radius:var(--tk-radius);overflow:hidden;}
.ant-carousel,.slick-slider{border-radius:var(--tk-radius);}
.ad-carousel{border-radius:var(--tk-radius);overflow:hidden;}
.ad-item{padding:0;}
.ad-content{min-height:230px;border-radius:var(--tk-radius);display:flex;align-items:center;padding:38px 44px;position:relative;overflow:hidden;}
.ad-info{max-width:640px;position:relative;z-index:2;color:#fff;}
.ad-type{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;background:rgba(255,255,255,.18);color:#fff;padding:4px 12px;border-radius:999px;margin-bottom:14px;backdrop-filter:blur(4px);}
.ad-title{font-size:clamp(1.3rem,3vw,1.85rem);font-weight:800;line-height:1.25;margin:0 0 12px;color:#fff;}
.ad-description{font-size:clamp(.95rem,2vw,1.05rem);color:rgba(255,255,255,.92);margin:0 0 22px;line-height:1.55;}
.ad-cta{display:inline-flex;align-items:center;gap:8px;background:#fff;color:var(--tk-primary-dark)!important;font-weight:700;font-size:.95rem;padding:11px 26px;border-radius:999px;transition:transform .2s ease,box-shadow .2s ease;box-shadow:0 6px 18px rgba(0,0,0,.18);}
.ad-cta::after{content:"\2192";}
.ad-cta:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(0,0,0,.28);}

.carousel-arrow{position:absolute;top:50%;transform:translateY(-50%);width:42px;height:42px;border:none;border-radius:50%;background:rgba(255,255,255,.85);color:var(--tk-ink);display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:5;opacity:0;transition:all .25s ease;box-shadow:var(--tk-shadow);}
.carousel-arrow .anticon{font-size:1rem;}
.carousel-arrow.prev{left:14px;}
.carousel-arrow.next{right:14px;}
.carousel-container:hover .carousel-arrow{opacity:1;}
.carousel-arrow:hover{background:#fff;transform:translateY(-50%) scale(1.08);}
.ad-carousel .slick-dots{bottom:14px;list-style:none;display:flex!important;justify-content:center;gap:7px;padding:0;margin:0;}
.ad-carousel .slick-dots li{width:auto;height:auto;margin:0;list-style:none;}
.ad-carousel .slick-dots li button{width:22px;height:4px;padding:0;border-radius:4px;font-size:0;line-height:0;color:transparent;text-indent:-9999px;overflow:hidden;border:none;background:rgba(255,255,255,.55);cursor:pointer;transition:all .25s ease;}
.ad-carousel .slick-dots li button::before{display:none!important;content:none!important;}
.ad-carousel .slick-dots li.slick-active button{background:#fff;width:30px;}

/* ===================== SEARCH BOX ===================== */
.function-tab{max-width:1100px;margin:0 auto;}
.search-container{text-align:center;margin-bottom:14px;}
.search-guide-text{color:var(--tk-muted);font-size:.95rem;margin:0 0 14px;font-weight:500;}
.search-container form{margin:0;}
.search-container .ant-input-search{max-width:560px!important;margin:0 auto 8px!important;display:block!important;box-shadow:var(--tk-shadow);border-radius:999px!important;background:#fff;border:1px solid var(--tk-line);overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease;}
.search-container .ant-input-search:focus-within{border-color:var(--tk-primary);box-shadow:0 8px 26px rgba(37,99,235,.22);}
.search-container .ant-input-wrapper{display:flex;align-items:center;}
.search-container .ant-input-affix-wrapper{flex:1;border:none!important;box-shadow:none!important;background:transparent!important;padding:6px 8px 6px 22px!important;}
.search-container .ant-input{border:none!important;font-size:1rem!important;background:transparent!important;box-shadow:none!important;padding:8px 0!important;}
.search-container .ant-input-group-addon{background:transparent;}
.search-container .ant-btn,.search-container .ant-input-search-button{background:var(--tk-grad)!important;border:none!important;color:#fff!important;height:46px!important;width:54px!important;border-radius:999px!important;margin:4px 6px 4px 0!important;display:flex!important;align-items:center;justify-content:center;transition:transform .2s ease,filter .2s ease;box-shadow:none!important;}
.search-container .ant-btn:hover{transform:scale(1.05);filter:brightness(1.05);}
.search-container .ant-input-clear-icon{margin-right:6px;}

/* ===================== INDUSTRY TAGS ===================== */
.search-industry-text{color:var(--tk-muted);font-size:.9rem;text-align:center;margin:6px 0 14px;}
.industry-tags{display:flex;flex-wrap:wrap;justify-content:center;gap:9px;margin:0 auto 36px;max-width:920px;}
.industry-tag{background:#fff;border:1px solid var(--tk-line);border-radius:999px;padding:7px 16px;font-size:.86rem;color:var(--tk-text);cursor:pointer;font-weight:600;transition:all .2s ease;box-shadow:var(--tk-shadow-sm);}
.industry-tag:hover{border-color:var(--tk-primary-light);color:var(--tk-primary);transform:translateY(-1px);}
.industry-tag.selected{background:var(--tk-grad);color:#fff;border-color:transparent;box-shadow:0 6px 16px rgba(37,99,235,.32);}

/* ===================== GROUP / GRID ===================== */
.function-group-grid{display:flex;flex-direction:column;gap:48px;margin-top:8px;}
.function-group-item{position:relative;}
.function-group-title{font-size:clamp(1.25rem,2.6vw,1.6rem);font-weight:800;color:var(--tk-ink);margin:0 0 10px;letter-spacing:-.01em;display:flex;align-items:center;gap:10px;width:100%;}
.function-group-title::before{content:"";width:6px;height:1.4em;border-radius:6px;background:var(--tk-grad);flex:none;}
.function-group-title a{color:var(--tk-ink)!important;transition:color .2s;}
.function-group-title a:hover{color:var(--tk-primary)!important;}
.function-group-item > p,.function-group-item > div:not(.function-tools-grid):not(.pagination-container){display:block;width:100%;color:var(--tk-muted);font-size:.96rem;margin:0 0 20px;max-width:760px;text-align:left;}

.function-tools-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:18px;margin-top:18px;}

.function-tool-card{background:var(--tk-card);border:1px solid var(--tk-line);border-radius:var(--tk-radius);padding:20px;display:flex;flex-direction:column;box-shadow:var(--tk-shadow-sm);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;position:relative;overflow:hidden;}
.function-tool-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--tk-grad);opacity:0;transition:opacity .25s ease;}
.function-tool-card:hover{transform:translateY(-5px);box-shadow:var(--tk-shadow-lg);border-color:transparent;}
.function-tool-card:hover::before{opacity:1;}
.tool-header{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.tool-logo{width:40px;height:40px;border-radius:11px;background:#f1f5f9;padding:7px;border:1px solid var(--tk-line);object-fit:contain;flex:none;}
.function-tool-name{font-size:1.06rem;font-weight:700;color:var(--tk-ink);margin:0;line-height:1.3;}
.tool-features{font-size:.88rem;color:var(--tk-text);margin:0 0 10px;line-height:1.55;}
.tool-features strong,.tool-link strong{color:var(--tk-ink);font-weight:700;}
.tool-link{font-size:.82rem;color:var(--tk-muted);margin:0 0 16px;word-break:break-all;line-height:1.5;}
.tool-link a{color:var(--tk-primary);font-weight:500;}
.tool-guide-link-container{margin-top:auto;}
.tool-guide-link{display:inline-flex;align-items:center;gap:6px;width:100%;justify-content:center;background:#eff4ff;color:var(--tk-primary)!important;font-weight:700;font-size:.9rem;padding:10px 16px;border-radius:11px;transition:all .2s ease;}
.tool-guide-link::after{content:"\2192";transition:transform .2s ease;}
.tool-guide-link:hover{background:var(--tk-grad);color:#fff!important;}
.tool-guide-link:hover::after{transform:translateX(3px);}

/* ===================== RECENT NEWS ===================== */
.recent-news-container{margin:56px auto 12px;max-width:1100px;}
.recent-news-title{font-size:clamp(1.3rem,2.6vw,1.7rem);font-weight:800;color:var(--tk-ink);margin:0 0 22px;text-align:center;}
.recent-news-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px;}
.recent-news-item{background:#fff;border:1px solid var(--tk-line);border-radius:var(--tk-radius);overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--tk-shadow-sm);transition:transform .25s ease,box-shadow .25s ease;}
.recent-news-item:hover{transform:translateY(-4px);box-shadow:var(--tk-shadow-lg);}
.recent-news-item .img-thumb{width:100%;height:170px;object-fit:cover;display:block;order:-1;}
.recent-news-item-title{font-size:1.05rem;font-weight:700;line-height:1.4;margin:16px 16px 8px;order:0;}
.recent-news-item-title a{color:var(--tk-ink)!important;transition:color .2s;}
.recent-news-item-title a:hover{color:var(--tk-primary)!important;}
.recent-news-item-excerpt{font-size:.88rem;color:var(--tk-muted);margin:0 16px 12px;line-height:1.55;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.recent-news-item-date{font-size:.78rem;color:#94a3b8;margin:auto 16px 16px;font-weight:500;}
.recent-news-view-all{text-align:center;margin-top:30px;}
.recent-news-view-all-button{background:#fff;border:1.5px solid var(--tk-primary);color:var(--tk-primary);font-weight:700;font-size:.95rem;padding:11px 30px;border-radius:999px;cursor:pointer;transition:all .2s ease;}
.recent-news-view-all-button:hover{background:var(--tk-grad);color:#fff;border-color:transparent;transform:translateY(-2px);box-shadow:0 8px 20px rgba(37,99,235,.28);}

/* ===================== FOOTER ===================== */
.footer{background:#0f172a;color:#cbd5e1;margin-top:64px;padding:0;}
.footer-container{max-width:1240px;margin:0 auto;padding:48px 20px 28px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;}
.footer-grid h2{font-size:1.25rem;font-weight:800;color:#fff;margin:0 0 14px;}
.footer-grid h3{font-size:1rem;font-weight:700;color:#fff;margin:0 0 16px;}
.footer-grid p{color:#94a3b8;font-size:.92rem;line-height:1.7;margin:0 0 8px;}
.footer-grid a{color:#cbd5e1;transition:color .2s;}
.footer-grid a:hover{color:#fff;}
.footer-grid ul{list-style:none;margin:0;padding:0;}
.footer-grid ul li{margin-bottom:11px;}
.footer-grid ul li a{font-size:.92rem;display:inline-flex;align-items:center;gap:7px;}
.footer-grid ul li a::before{content:"\203A";color:var(--tk-primary-light);font-weight:700;}
.footer-social-icons{display:flex;gap:12px;margin-top:18px;}
.footer-social-icons a{width:40px;height:40px;border-radius:11px;background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;color:#cbd5e1;font-size:1.15rem;transition:all .2s ease;}
.footer-social-icons a:hover{background:var(--tk-primary);color:#fff;transform:translateY(-2px);}
.footer hr{border:none;border-top:1px solid rgba(255,255,255,.1);margin:36px 0 20px;}
.footer-copyright,.copyright,.footer-container > div:last-child{text-align:center;color:#64748b;font-size:.85rem;}

/* ===================== CONTENT / ARTICLE PAGES ===================== */
.blog-detail-container,.prompt-guide-container,.ai-guide-container,.blog-container,.prompt-page-container{max-width:860px;margin:0 auto;background:#fff;border:1px solid var(--tk-line);border-radius:var(--tk-radius);padding:32px;box-shadow:var(--tk-shadow-sm);}
.blog-detail-title,.prompt-guide-title,.ai-guide-title,.blog-title,.prompt-page-title,.ai-guide-title-1{font-size:clamp(1.5rem,3.5vw,2rem);font-weight:800;color:var(--tk-ink);line-height:1.25;margin:0 0 14px;}
.blog-detail-meta{color:var(--tk-muted);font-size:.85rem;margin:0 0 18px;}
.prompt-guide-image,.blog-detail-content img,.prompt-guide-content img,.ai-guide-content img{border-radius:12px;margin:14px 0;}
.blog-detail-content,.prompt-guide-content,.ai-guide-content{font-size:1rem;line-height:1.75;color:var(--tk-text);}
.blog-detail-content h2,.prompt-guide-content h2,.ai-guide-content h2{font-size:1.4rem;color:var(--tk-ink);margin:28px 0 12px;}
.blog-detail-content h3,.prompt-guide-content h3,.ai-guide-content h3{font-size:1.18rem;color:var(--tk-ink);margin:22px 0 10px;}
.ai-guide-card{margin-top:16px;border:1px solid var(--tk-line)!important;border-radius:var(--tk-radius)!important;box-shadow:var(--tk-shadow-sm)!important;}
.ai-guide-meta{font-size:.95rem;line-height:1.9;}
.ai-guide-meta strong{color:var(--tk-ink);}
.back-button,.back-button-top,.back-link{display:inline-flex;align-items:center;gap:6px;background:#eff4ff;color:var(--tk-primary)!important;border:none;font-weight:700;font-size:.92rem;padding:10px 20px;border-radius:999px;cursor:pointer;transition:all .2s ease;}
.back-button:hover,.back-button-top:hover,.back-link:hover{background:var(--tk-grad);color:#fff!important;}
.back-button-container,.back-link-container{margin:22px 0;}
.relate{background:#f8fafc;border:1px solid var(--tk-line);border-radius:12px;padding:16px 16px 16px 34px;margin:0 0 22px;}
.relate li{margin-bottom:8px;}

/* blog list */
.blog-container{max-width:1000px;}
.blog-post{display:flex;flex-direction:column;border-bottom:1px solid var(--tk-line);padding:20px 0;}
.blog-post .img-thumb{width:100%;max-width:320px;border-radius:12px;margin:10px 0;}
.post-title a{color:var(--tk-ink)!important;font-size:1.2rem;font-weight:700;}
.post-title a:hover{color:var(--tk-primary)!important;}
.post-meta{color:var(--tk-muted);font-size:.82rem;}
.post-excerpt{color:var(--tk-text);}

/* ===================== PAGINATION ===================== */
.pagination-container,.blog-pagination{margin:36px 0 8px;display:flex;justify-content:center;}
.pagination-page ul,.pagination-page .pagination{display:flex;flex-wrap:wrap;gap:6px;list-style:none;padding:0;margin:0;justify-content:center;}
.pagination-page a,.pagination-page span,.pagination-page li a,.pagination-page li span{display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:40px;padding:0 12px;border-radius:11px;border:1px solid var(--tk-line);background:#fff;color:var(--tk-text);font-weight:600;font-size:.9rem;transition:all .2s ease;cursor:pointer;}
.pagination-page a:hover,.pagination-page li a:hover{border-color:var(--tk-primary);color:var(--tk-primary);}
.pagination-page .active a,.pagination-page .active span,.pagination-page li.active a{background:var(--tk-grad);color:#fff;border-color:transparent;}

/* search results dropdown (content page autocomplete) */
.search-results{position:absolute;left:0;right:0;top:calc(100% + 6px);background:#fff;border:1px solid var(--tk-line);border-radius:12px;box-shadow:var(--tk-shadow-lg);list-style:none;margin:0;padding:6px;z-index:50;max-height:320px;overflow-y:auto;text-align:left;}
.search-results li{padding:10px 14px;border-radius:9px;cursor:pointer;font-size:.92rem;color:var(--tk-text);}
.search-results li:hover{background:#eff4ff;color:var(--tk-primary);}

/* ===================== RESPONSIVE — TABLET ===================== */
@media (max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-grid > div:first-child{grid-column:1 / -1;}
}

/* ===================== RESPONSIVE — MOBILE ===================== */
@media (max-width:768px){
  .ant-layout-content{padding:16px 14px 4px!important;}
  .ant-layout-header{height:60px!important;backdrop-filter:none!important;background:#fff!important;position:relative;}

  /* FALLBACK: nếu JS chưa chạy, menu chưa thành drawer -> ẩn để không tràn ngang */
  .ant-layout-header > ul.ant-menu-root:not(.tk-nav-list){display:none!important;}
  /* Hamburger luôn hiện ở mobile */
  .tk-mobile-toggle{display:flex!important;}

  /* Hamburger hiện */
  .tk-mobile-toggle{display:flex;}

  /* Brand riêng bên trái */
  .ant-layout-header > .tk-brand{left:14px;font-size:1.1rem;}
  .ant-menu-overflow,ul.ant-menu-root{padding:0 14px!important;gap:0;}

  /* Menu chính -> drawer trượt từ phải */
  ul.ant-menu-root.tk-nav-list{
    position:fixed;top:0;right:0;bottom:0;
    width:min(82vw,320px);
    max-width:none;
    margin:0;
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
    gap:2px;
    background:#ffffff!important;
    backdrop-filter:none;
    padding:74px 14px 24px!important;
    box-shadow:-12px 0 40px rgba(15,23,42,.18);
    transform:translateX(105%);
    transition:transform .3s cubic-bezier(.4,0,.2,1);
    overflow-y:auto;
    z-index:1095;
    border-left:1px solid var(--tk-line);
  }
  ul.ant-menu-root.tk-nav-list.open{transform:translateX(0);}
  ul.ant-menu-root.tk-nav-list::before{display:none;}

  .ant-menu-overflow-item,li.ant-menu-item{width:100%;border-bottom:1px solid #f1f5f9;}
  /* Cho wrapper wrap để submenu rơi xuống dòng riêng, chiếm trọn chiều ngang */
  .menu-item-wrapper{padding:14px 12px;border-radius:10px;flex-wrap:wrap;align-items:center;justify-content:flex-start;column-gap:8px;row-gap:0;}
  .menu-item-wrapper:hover{background:transparent;}
  .ant-menu-title-content{flex:1 1 auto;min-width:0;order:1;}
  .ant-menu-title-content a{font-size:1rem;display:block;}
  .menu-item-wrapper > svg{width:.9em;height:.9em;order:2;margin-left:auto;}

  /* Submenu mobile: accordion (toggle bằng JS slideToggle) */
  ul.sub-menu{order:3;flex-basis:100%;width:100%;position:static;display:none;box-shadow:none;border:none;border-radius:0;min-width:0;padding:6px 0 4px 10px;margin:8px 0 0;animation:none;background:transparent;border-left:2px solid var(--tk-line);}
  ul.sub-menu::before{display:none;}
  .menu-item-wrapper:hover .sub-menu{display:none;}
  .sub-menu li a{padding:10px 12px;font-size:.92rem;white-space:normal;}
  .sub-menu li a:hover{padding-left:14px;}

  /* Hero / nội dung */
  .category-search-container{padding:4px 0 0;}
  .ad-content{min-height:auto;padding:26px 22px;}
  .carousel-arrow{display:none;}
  .search-container .ant-input-search{max-width:100%!important;}
  .industry-tags{gap:7px;}
  .industry-tag{padding:6px 13px;font-size:.8rem;}

  .function-group-grid{gap:38px;}
  .function-tools-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:13px;}
  .function-tool-card{padding:15px;}
  .tool-logo{width:34px;height:34px;}
  .function-tool-name{font-size:.95rem;}
  .tool-features{font-size:.82rem;}
  .tool-link{font-size:.76rem;margin-bottom:12px;}

  .recent-news-list{grid-template-columns:1fr;}
  .recent-news-item .img-thumb{height:190px;}

  .footer-container{padding:38px 18px 24px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;text-align:left;}
  .footer-grid > div:first-child{grid-column:auto;}

  .blog-detail-container,.prompt-guide-container,.ai-guide-container,.blog-container,.prompt-page-container{padding:20px;border-radius:14px;}
}

/* ===================== RESPONSIVE — SMALL PHONE ===================== */
@media (max-width:430px){
  .function-tools-grid{grid-template-columns:1fr 1fr;gap:11px;}
  .function-tool-card{padding:13px;}
  .tool-guide-link{font-size:.82rem;padding:9px 10px;}
  .tool-link{display:none;}
  .ad-title{font-size:1.2rem;}
  .feedback-banner{font-size:.78rem;padding:8px 12px;}
}
@media (max-width:360px){
  .function-tools-grid{grid-template-columns:1fr;}
}