/* =============================================================================
   tj-landing.css — 内容栏目落地页共享样式（tj- 命名空间）
   使用方：expertise/index.html、oemodm/index.html（solutions/index.html 仍内联自包含）
   与 solutions 落地参考稿同源：大卡交替 / 编号徽标 / stats / platform / why / cta
   ============================================================================= */
.tj-landing{color:#374151;background:#fff;
    --tj-primary:#111827;--tj-text:#374151;--tj-muted:#6b7280;
    --tj-border:#e5e7eb;--tj-light:#f7f8fa;--tj-white:#fff;--tj-accent:#2563eb;}
.tj-landing a{text-decoration:none}
.tj-container{width:min(1200px,calc(100% - 40px));margin:0 auto}

/* HERO */
.tj-hero{position:relative;padding:120px 0 110px;color:#fff;
    background:linear-gradient(90deg,rgba(8,15,30,.96) 0%,rgba(8,15,30,.82) 50%,rgba(8,15,30,.55) 100%),
        url("/static/home/img/2024/10/InquiringDisplay.webp") center / cover no-repeat;}
.tj-hero-content{max-width:820px}
/* 面包屑条（public/crumb 局部；hero 下方浅色条） */
.tj-landing .crumb-bar{padding:16px 0 14px;border-bottom:1px solid var(--tj-border)}
.tj-landing .crumb-bar .tw-crumbs{margin-bottom:0}
.tj-landing .crumb-bar .tw-crumbs a:hover{color:var(--tj-primary)}
.tj-eyebrow,.tj-label{display:inline-block;margin-bottom:18px;font-size:12px;font-weight:700;letter-spacing:.16em;text-transform:uppercase}
.tj-eyebrow{color:#93c5fd}
.tj-hero h1{margin:0 0 25px;font-size:clamp(42px,5vw,68px);line-height:1.08;letter-spacing:-.035em;font-weight:700}
.tj-hero p{max-width:720px;margin:0 0 34px;color:rgba(255,255,255,.82);font-size:18px;line-height:1.75}
.tj-hero-actions{display:flex;flex-wrap:wrap;gap:14px}

/* BUTTON */
.tj-btn{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 25px;
    border:1px solid transparent;font-size:14px;font-weight:600;text-decoration:none;
    transition:transform .2s ease,background .2s ease,border-color .2s ease}
.tj-btn:hover{transform:translateY(-2px)}
.tj-btn-primary{color:#fff;background:var(--tj-accent);border-color:var(--tj-accent)}
.tj-btn-primary:hover{background:#1d4ed8}
.tj-btn-outline{color:#fff;background:transparent;border-color:rgba(255,255,255,.45)}
.tj-btn-outline:hover{border-color:#fff}

/* INTRO + STATS */
.tj-intro{padding:100px 0 80px}
.tj-heading{max-width:780px;margin-bottom:55px}
.tj-label{color:var(--tj-accent)}
.tj-heading h2{margin:0 0 18px;color:var(--tj-primary);font-size:clamp(34px,4vw,48px);line-height:1.15;letter-spacing:-.025em}
.tj-heading p{margin:0;color:var(--tj-muted);font-size:17px;line-height:1.8}
.tj-stats{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--tj-border);border-bottom:1px solid var(--tj-border)}
.tj-stat{padding:25px 20px;border-right:1px solid var(--tj-border)}
.tj-stat:last-child{border-right:0}
.tj-stat strong{display:block;margin-bottom:7px;color:var(--tj-primary);font-size:30px;line-height:1}
.tj-stat span{color:var(--tj-muted);font-size:14px}

/* 大卡列表（分类卡 / 平铺条目卡同款） */
.tj-list{padding:30px 0 110px}
.tj-card{display:grid;grid-template-columns:1fr 1fr;margin-bottom:70px;background:var(--tj-light)}
.tj-card-reverse .tj-card-image{order:2}
.tj-card-reverse .tj-card-body{order:1}
.tj-card-image{position:relative;min-height:520px;overflow:hidden}
.tj-card-image img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .6s ease}
.tj-card:hover .tj-card-image img{transform:scale(1.035)}
.tj-card-image-ph{display:flex;align-items:center;justify-content:center;width:100%;height:100%;
    background:linear-gradient(135deg,#1f2937,#111827);color:rgba(255,255,255,.4);
    font-size:12px;font-weight:700;letter-spacing:.18em;text-transform:uppercase}
.tj-card-num{position:absolute;top:25px;left:25px;display:flex;align-items:center;justify-content:center;
    width:48px;height:48px;color:#fff;background:rgba(17,24,39,.85);font-size:13px;font-weight:700}
.tj-card-body{display:flex;flex-direction:column;justify-content:center;padding:65px}
.tj-card-cat{margin-bottom:15px;color:var(--tj-accent);font-size:11px;font-weight:700;letter-spacing:.13em}
.tj-card-body h2{margin:0 0 20px;color:var(--tj-primary);font-size:clamp(30px,3vw,42px);line-height:1.15;letter-spacing:-.025em}
.tj-card-body p{margin:0 0 15px;color:var(--tj-muted);font-size:15px;line-height:1.75}
.tj-card-link{display:inline-flex;align-items:center;gap:10px;width:fit-content;color:var(--tj-primary);
    font-size:14px;font-weight:700;text-decoration:none}
.tj-card-link span{transition:transform .2s ease}
.tj-card-link:hover span{transform:translateX(5px)}

/* 分类卡 pills（条目名列）+ 无条目虚线待建卡 */
.tj-card-features{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0 25px}
.tj-card-features span{padding:8px 12px;border:1px solid var(--tj-border);color:#4b5563;background:#fff;font-size:12px}
.tj-card-future{border:1px dashed #d1d5db;background:#fafafa}
.tj-card-future .tj-card-image{opacity:.95}

/* PLATFORM（深色双栏） */
.tj-platform{padding:110px 0;background:#111827;color:#fff}
.tj-platform-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:90px;align-items:center}
.tj-platform-content .tj-label{color:#93c5fd}
.tj-platform-content h2{margin:0 0 22px;font-size:clamp(34px,4vw,50px);line-height:1.15;letter-spacing:-.03em}
.tj-platform-content p{margin:0 0 28px;color:rgba(255,255,255,.68);font-size:16px;line-height:1.8}
.tj-platform-content .tj-card-link{color:#fff}
.tj-platform-items{border-top:1px solid rgba(255,255,255,.16)}
.tj-platform-item{display:grid;grid-template-columns:45px 1fr;gap:20px;padding:25px 0;border-bottom:1px solid rgba(255,255,255,.16)}
.tj-platform-item > span{color:#93c5fd;font-size:12px;font-weight:700}
.tj-platform-item h3{margin:0 0 7px;font-size:18px}
.tj-platform-item p{margin:0;color:rgba(255,255,255,.58);font-size:14px;line-height:1.6}

/* CTA */
.tj-cta{padding:30px 0 110px}
.tj-cta-box{display:flex;align-items:center;justify-content:space-between;gap:50px;padding:60px;background:var(--tj-light)}
.tj-cta-box h2{margin:0 0 15px;color:var(--tj-primary);font-size:clamp(32px,4vw,46px);line-height:1.15}
.tj-cta-box p{max-width:680px;margin:0;color:var(--tj-muted);line-height:1.75}
.tj-cta-actions{display:flex;flex-shrink:0;gap:12px}
.tj-cta-actions .tj-btn-outline{color:var(--tj-primary);border-color:#d1d5db}
.tj-cta-actions .tj-btn-outline:hover{border-color:var(--tj-primary)}

/* RESPONSIVE */
@media (max-width:992px){
    .tj-hero{padding:90px 0}
    .tj-card{grid-template-columns:1fr}
    .tj-card-reverse .tj-card-image{order:1}
    .tj-card-reverse .tj-card-body{order:2}
    .tj-card-image{min-height:420px}
    .tj-card-body{padding:45px}
    .tj-platform-grid{grid-template-columns:1fr;gap:50px}
    .tj-cta-box{flex-direction:column;align-items:flex-start}
}
@media (max-width:680px){
    .tj-container{width:min(100% - 28px,1200px)}
    .tj-hero{padding:70px 0}
    .tj-hero h1{font-size:40px}
    .tj-hero p{font-size:16px}
    .tj-stats{grid-template-columns:repeat(2,1fr)}
    .tj-stat:nth-child(2){border-right:0}
    .tj-stat:nth-child(1),.tj-stat:nth-child(2){border-bottom:1px solid var(--tj-border)}
    .tj-card-image{min-height:300px}
    .tj-card-body{padding:35px 25px}
    .tj-card-body h2{font-size:30px}
    .tj-cta-box{padding:35px 25px}
    .tj-cta-actions{width:100%;flex-direction:column}
    .tj-cta-actions .tj-btn{width:100%}
}