/* =========================================================
   BD678 — Global Stylesheet
   Style DNA: Aggregation + distribution, medium radius,
   dark emerald + gold accent, warm surface on inner pages.
   ========================================================= */
:root{
  --c-bg:#f6f8f7;
  --c-surface:#ffffff;
  --c-ink:#0f1b17;
  --c-ink-2:#32463f;
  --c-muted:#6c8079;
  --c-line:#e3ece8;
  --c-brand:#0f7a5f;
  --c-brand-2:#12b886;
  --c-brand-ink:#04261d;
  --c-accent:#f1b90a;
  --c-accent-2:#ffd43b;
  --c-danger:#d0342c;
  --r-sm:6px; --r-md:12px; --r-lg:18px; --r-xl:28px;
  --sh-1:0 1px 2px rgba(10,30,24,.06);
  --sh-2:0 6px 18px rgba(10,30,24,.08);
  --sh-3:0 16px 40px rgba(10,30,24,.14);
  --fnt: system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans Bengali","SolaimanLipi","Siyam Rupali",Arial,sans-serif;
  --container:1200px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:var(--fnt);
  background:var(--c-bg);
  color:var(--c-ink);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img,svg{max-width:100%;height:auto;display:block}
a{color:var(--c-brand);text-decoration:none}
a:hover{color:var(--c-brand-2)}
.container{max-width:var(--container);margin:0 auto;padding:0 20px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 18px;border-radius:var(--r-md);font-weight:700;font-size:14px;line-height:1;cursor:pointer;border:1px solid transparent;transition:.2s;text-decoration:none;white-space:nowrap}
.btn-primary{background:var(--c-brand);color:#fff}
.btn-primary:hover{background:var(--c-brand-2);color:#fff}
.btn-ghost{background:transparent;color:var(--c-brand);border-color:var(--c-brand)}
.btn-ghost:hover{background:var(--c-brand);color:#fff}
.btn-accent{background:var(--c-accent-2);color:var(--c-brand-ink)}
.btn-accent:hover{background:var(--c-accent);color:var(--c-brand-ink)}
.btn-register{background:linear-gradient(135deg,#ffd43b,#f1b90a);color:#0f1b17}
.btn-register:hover{filter:brightness(.95);color:#0f1b17}
.btn-login{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.6)}
.btn-login:hover{background:#fff;color:var(--c-brand-ink)}
.btn-lg{padding:14px 26px;font-size:16px}

/* ===== Topbar (dense top) ===== */
.topbar{background:#04261d;color:#c7e8d9;font-size:13px}
.topbar .container{display:flex;justify-content:space-between;align-items:center;height:36px;gap:16px;flex-wrap:wrap}
.topbar a{color:#c7e8d9}
.topbar .tb-right{display:flex;gap:18px}
.topbar .tb-right span{opacity:.85}

/* ===== Header ===== */
.site-header{background:linear-gradient(180deg,#0a4d3a,#0f7a5f);color:#fff;position:sticky;top:0;z-index:50;box-shadow:var(--sh-2)}
.site-header .container{display:flex;align-items:center;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:10px}
.brand-logo{width:auto;height:44px;max-height:44px}
.main-nav{flex:1;display:flex;justify-content:center}
.main-nav ul{list-style:none;margin:0;padding:0;display:flex;gap:4px;flex-wrap:wrap}
.main-nav a{color:#e7f4ef;padding:8px 12px;border-radius:var(--r-sm);font-weight:600;font-size:14.5px}
.main-nav a:hover,.main-nav a.active{background:rgba(255,255,255,.14);color:#fff}
.hdr-cta{display:flex;gap:10px}
.menu-toggle{display:none;background:none;border:0;color:#fff;font-size:26px;cursor:pointer}

/* ===== Hero / Banner ===== */
.home-banner{position:relative;margin-top:0}
.home-banner img{width:100%;height:auto;display:block}
.home-banner .bn-caption{position:absolute;inset:auto 0 28px 0;text-align:center;color:#fff;font-weight:800;letter-spacing:.5px;text-shadow:0 2px 12px rgba(0,0,0,.45);font-size:15px;opacity:.9}

/* Inner page hero (smaller, contextual) */
.page-hero{background:linear-gradient(135deg,#0a4d3a 0%,#0f7a5f 60%,#12b886 100%);color:#fff;padding:64px 0 56px;position:relative;overflow:hidden}
.page-hero::after{content:"";position:absolute;inset:auto -10% -40% auto;width:60%;height:160%;background:radial-gradient(ellipse at top right,rgba(255,212,59,.25),transparent 60%);pointer-events:none}
.page-hero h1{margin:0 0 10px;font-size:40px;line-height:1.2;font-weight:800}
.page-hero p{margin:0;max-width:720px;font-size:17px;opacity:.95}
.breadcrumb{font-size:13px;margin-bottom:14px;opacity:.9;word-break:break-word;overflow-wrap:anywhere;line-height:1.6}
.breadcrumb a{color:#e7f4ef}
.breadcrumb span{margin:0 6px;opacity:.6}

/* ===== Sections ===== */
section{padding:54px 0}
.section-title{font-size:28px;font-weight:800;margin:0 0 8px;color:var(--c-ink)}
.section-sub{color:var(--c-muted);margin:0 0 28px;font-size:15px}

/* Quick entry tiles (竞品图块入口映射) */
.tiles{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.tile{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);padding:18px 14px;text-align:center;transition:.2s;box-shadow:var(--sh-1);color:var(--c-ink)}
.tile:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--c-brand-2);color:var(--c-brand)}
.tile .t-ic{width:44px;height:44px;margin:0 auto 10px;border-radius:12px;background:linear-gradient(135deg,#12b886,#0f7a5f);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800}
.tile h3{margin:6px 0 4px;font-size:15px;font-weight:700}
.tile p{margin:0;font-size:12.5px;color:var(--c-muted)}

/* Category distribution cards (3-col) */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.cat-card{background:var(--c-surface);border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--c-line);box-shadow:var(--sh-1);display:flex;flex-direction:column;transition:.25s}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.cat-card .cc-head{padding:22px;background:linear-gradient(135deg,#0f7a5f,#12b886);color:#fff}
.cat-card .cc-head h3{margin:0 0 6px;font-size:22px}
.cat-card .cc-head p{margin:0;opacity:.9;font-size:14px}
.cat-card .cc-body{padding:20px;flex:1;display:flex;flex-direction:column;gap:10px}
.cat-card ul{margin:0;padding-left:18px;color:var(--c-ink-2);font-size:14px}
.cat-card .cc-link{margin-top:auto;font-weight:700;color:var(--c-brand)}

/* Feed / list style (archive bias) */
.feed{display:grid;grid-template-columns:2fr 1fr;gap:28px}
.feed .main{display:flex;flex-direction:column;gap:18px}
.feed-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);padding:18px;display:grid;grid-template-columns:140px 1fr;gap:16px;transition:.2s}
.feed-item:hover{box-shadow:var(--sh-2);border-color:var(--c-brand-2)}
.feed-item .thumb{background:linear-gradient(135deg,#0f7a5f,#12b886);border-radius:var(--r-sm);min-height:96px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:22px;letter-spacing:1px}
.feed-item{min-width:0}
.feed-item>div{min-width:0}
.feed-item h3{margin:0 0 6px;font-size:18px;overflow-wrap:anywhere;word-break:break-word}
.feed-item h3 a{color:var(--c-ink)}
.feed-item h3 a:hover{color:var(--c-brand)}
.feed-item .meta{font-size:12.5px;color:var(--c-muted);margin-bottom:6px}
.feed-item p{margin:0;color:var(--c-ink-2);font-size:14.5px;overflow-wrap:anywhere;word-break:break-word}
.sidebar{display:flex;flex-direction:column;gap:18px}
.side-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);padding:18px}
.side-card h4{margin:0 0 12px;font-size:16px;color:var(--c-ink)}
.side-card ul{margin:0;padding-left:18px}
.side-card li{margin:6px 0;font-size:14px}
.side-card a{color:var(--c-ink-2)}
.side-card a:hover{color:var(--c-brand)}

/* Longform SEO block (mid-lower section) */
.longform{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:34px;box-shadow:var(--sh-1)}
.longform h2{font-size:24px;margin:26px 0 10px;color:var(--c-ink)}
.longform h2:first-child{margin-top:0}
.longform h3{font-size:18px;margin:18px 0 8px;color:var(--c-brand)}
.longform p{margin:0 0 12px;color:var(--c-ink-2)}
.longform ul{padding-left:22px;margin:0 0 12px}
.longform li{margin:6px 0;color:var(--c-ink-2)}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);padding:16px 18px}
.faq-item summary{cursor:pointer;font-weight:700;color:var(--c-ink);list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:22px;color:var(--c-brand);transition:.2s}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{margin:10px 0 0;color:var(--c-ink-2);font-size:14.5px}

/* CTA strip */
.cta-strip{background:linear-gradient(135deg,#0a4d3a,#0f7a5f 60%,#12b886);color:#fff;border-radius:var(--r-lg);padding:36px;display:grid;grid-template-columns:2fr auto;gap:22px;align-items:center;box-shadow:var(--sh-2)}
.cta-strip h2{margin:0 0 6px;font-size:24px}
.cta-strip p{margin:0;opacity:.9}

/* Footer (heavy) */
.site-footer{background:#04261d;color:#b7cec5;padding:50px 0 0;margin-top:60px}
.ftr-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr 1.2fr;gap:34px}
.ftr-grid h4{color:#fff;margin:0 0 14px;font-size:15px;letter-spacing:1px;text-transform:uppercase}
.ftr-grid ul{list-style:none;margin:0;padding:0}
.ftr-grid li{margin:6px 0}
.ftr-grid a{color:#b7cec5;font-size:14px}
.ftr-grid a:hover{color:#ffd43b}
.ftr-brand p{font-size:14px;color:#b7cec5;margin:0 0 10px}
.ftr-contact p{margin:6px 0;font-size:14px}
.ftr-contact strong{color:#fff;font-weight:700}
.ftr-bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:36px;padding:16px 0;font-size:13px;display:flex;justify-content:space-between;color:#7fa397;flex-wrap:wrap;gap:10px}

/* Article detail */
.article{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:34px;box-shadow:var(--sh-1);overflow-wrap:anywhere;word-break:break-word}
.article h1{margin:0 0 8px;font-size:32px;line-height:1.25;overflow-wrap:anywhere;word-break:break-word}
.article .meta{color:var(--c-muted);font-size:13px;margin-bottom:18px}
.article .lead{font-size:17px;color:var(--c-ink-2);border-left:3px solid var(--c-brand-2);padding-left:14px;margin:0 0 22px}
.article h2{font-size:22px;margin:26px 0 10px}
.article h3{font-size:18px;margin:18px 0 8px;color:var(--c-brand)}
.article p{margin:0 0 12px;color:var(--c-ink-2)}
.article ul{padding-left:22px;margin:0 0 12px}
.article li{margin:5px 0;color:var(--c-ink-2)}
.related{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:30px}
.related .rel{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);padding:14px}
.related h4{margin:0 0 6px;font-size:14.5px}
.related a{color:var(--c-ink)}
.related a:hover{color:var(--c-brand)}

/* Bullet list */
.bullets{display:grid;grid-template-columns:repeat(2,1fr);gap:10px 22px;margin:10px 0 0;list-style:none;padding:0}
.bullets li{padding-left:22px;position:relative;color:var(--c-ink-2)}
.bullets li::before{content:"";width:10px;height:10px;border-radius:3px;background:var(--c-brand-2);position:absolute;left:0;top:9px}

/* Steps (download) */
.steps{counter-reset:st;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);padding:20px;position:relative;counter-increment:st}
.step::before{content:counter(st);position:absolute;top:-14px;left:18px;width:32px;height:32px;border-radius:50%;background:var(--c-brand);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px}
.step h4{margin:8px 0 6px;font-size:15px}
.step p{margin:0;font-size:13.5px;color:var(--c-muted)}

/* Promo grid (bonus) */
.promos{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.promo{border-radius:var(--r-lg);padding:22px;color:#fff;position:relative;overflow:hidden;min-height:180px}
.promo h3{margin:0 0 8px;font-size:18px}
.promo p{margin:0;opacity:.92;font-size:14px}
.promo.p1{background:linear-gradient(135deg,#0f7a5f,#12b886)}
.promo.p2{background:linear-gradient(135deg,#5b2ea6,#8b5cf6)}
.promo.p3{background:linear-gradient(135deg,#b8860b,#ffd43b);color:#04261d}
.promo .tag{position:absolute;top:14px;right:14px;background:rgba(255,255,255,.18);padding:4px 10px;border-radius:99px;font-size:12px}
.promo.p3 .tag{background:rgba(4,38,29,.15)}

/* Sports fixtures */
.fixtures{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.fix{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);padding:16px;display:flex;justify-content:space-between;align-items:center}
.fix .teams{font-weight:700}
.fix .odds{display:flex;gap:8px}
.fix .odds span{background:#edf7f3;border:1px solid var(--c-line);border-radius:8px;padding:6px 10px;font-size:13px;color:var(--c-brand-ink);font-weight:700}

/* Slots grid */
.slots{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.slot{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;text-align:center;transition:.2s}
.slot:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.slot .sl-img{height:120px;background:linear-gradient(135deg,#12b886,#0a4d3a);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;letter-spacing:1px}
.slot .sl-b{padding:10px 12px 14px}
.slot h4{margin:4px 0;font-size:14px}
.slot p{margin:0;font-size:12px;color:var(--c-muted)}

/* About timeline */
.timeline{position:relative;padding-left:28px;margin-top:16px}
.timeline::before{content:"";position:absolute;left:8px;top:4px;bottom:4px;width:2px;background:var(--c-line)}
.tl-item{position:relative;padding:10px 0 18px}
.tl-item::before{content:"";position:absolute;left:-24px;top:16px;width:14px;height:14px;border-radius:50%;background:var(--c-brand-2);box-shadow:0 0 0 4px #e7f4ef}
.tl-item h4{margin:0 0 6px;font-size:16px;color:var(--c-ink)}
.tl-item span{color:var(--c-brand);font-weight:700;font-size:13px}

/* Policy */
.policy-body{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:30px;box-shadow:var(--sh-1)}
.policy-body h2{font-size:20px;margin:22px 0 8px}
.policy-body h2:first-child{margin-top:0}

/* 404 */
.err-wrap{padding:100px 0;text-align:center}
.err-wrap h1{font-size:110px;margin:0;background:linear-gradient(135deg,#0f7a5f,#12b886);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.err-wrap p{max-width:600px;margin:6px auto 22px;color:var(--c-muted)}

/* Admin basic */
.admin-wrap{max-width:1100px;margin:40px auto;padding:0 20px;font-family:var(--fnt);color:#0f1b17}
.admin-wrap h1{margin:0 0 18px;font-size:24px}
.admin-box{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);padding:22px;box-shadow:var(--sh-1)}
.adm-nav{display:flex;gap:14px;margin:0 0 18px;padding:14px 18px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md)}
.adm-nav a{color:#0f1b17;font-weight:700}
.adm-nav a.on,.adm-nav a:hover{color:var(--c-brand)}
.adm-table{width:100%;border-collapse:collapse;font-size:14px}
.adm-table th,.adm-table td{padding:10px 12px;border-bottom:1px solid var(--c-line);text-align:left}
.adm-table th{background:#f3f6f5;font-weight:700}
.adm-form label{display:block;font-weight:700;font-size:13px;color:#32463f;margin:14px 0 6px}
.adm-form input[type=text],.adm-form textarea,.adm-form select{width:100%;padding:10px 12px;border:1px solid var(--c-line);border-radius:var(--r-sm);font-family:var(--fnt);font-size:14px;background:#fff}
.adm-form textarea{min-height:260px;line-height:1.6}
.adm-msg{padding:10px 14px;border-radius:var(--r-sm);margin-bottom:14px;font-size:14px}
.adm-msg.ok{background:#e6f7f1;color:#0a6f4f;border:1px solid #b8e2d0}
.adm-msg.err{background:#fde8e6;color:#a3261f;border:1px solid #f0b4b0}
.adm-actions{display:flex;gap:10px;margin-top:16px}
.btn-danger{background:#d0342c;color:#fff}
.btn-danger:hover{background:#a3261f;color:#fff}

/* Responsive */
@media (max-width:980px){
  .tiles{grid-template-columns:repeat(3,1fr)}
  .cat-grid{grid-template-columns:1fr}
  .feed{grid-template-columns:1fr}
  .related{grid-template-columns:1fr}
  .promos{grid-template-columns:1fr}
  .slots{grid-template-columns:repeat(2,1fr)}
  .ftr-grid{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:repeat(2,1fr)}
  .fixtures{grid-template-columns:1fr}
  .cta-strip{grid-template-columns:1fr;text-align:center}
  .bullets{grid-template-columns:1fr}
  .site-header .container{height:auto;padding-top:10px;padding-bottom:10px;flex-wrap:wrap}
  .main-nav{order:4;width:100%;display:none}
  .main-nav.open{display:block}
  .main-nav ul{flex-direction:column;gap:2px}
  .main-nav a{display:block;padding:10px 12px}
  .menu-toggle{display:inline-block;margin-left:auto}
  .brand-logo{height:36px;max-height:40px}
  .page-hero h1{font-size:28px}
  .article{padding:22px}
  .longform{padding:22px}
}
@media (max-width:560px){
  .tiles{grid-template-columns:repeat(2,1fr)}
  .ftr-grid{grid-template-columns:1fr}
  .feed-item{grid-template-columns:90px 1fr}
  .hdr-cta .btn{padding:8px 12px;font-size:13px}
}