/* Hailei Knowledge Center — blog landing page only */
.blog-home{background:#fff;color:#24364b}
.blog-home #main-content{display:block;overflow:hidden}
.blog-home a:focus-visible,.blog-home summary:focus-visible{outline:3px solid rgba(232,160,32,.45);outline-offset:4px}

.blog-hero{position:relative;color:#fff;background:
  radial-gradient(circle at 82% 16%,rgba(57,164,220,.25),transparent 30%),
  radial-gradient(circle at 72% 86%,rgba(232,160,32,.16),transparent 27%),
  linear-gradient(118deg,#071b31 0%,#0a3157 52%,#0b5b8e 100%)}
.blog-hero::before{content:"";position:absolute;inset:0;opacity:.18;pointer-events:none;background-image:linear-gradient(rgba(255,255,255,.12) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.12) 1px,transparent 1px);background-size:52px 52px;mask-image:linear-gradient(90deg,transparent 10%,#000 70%)}
.blog-hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:4px;background:linear-gradient(90deg,#e8a020,#f3c358 28%,#49a7db 70%,#1675b8)}
.blog-hero-inner{position:relative;z-index:1;max-width:1240px;margin:0 auto;padding:82px 5% 78px;display:grid;grid-template-columns:minmax(0,1.25fr) minmax(330px,.75fr);gap:76px;align-items:center}
.blog-kicker,.section-eyebrow{display:block;color:#d79a2e;font-size:12px;font-weight:900;letter-spacing:.18em;text-transform:uppercase}
.blog-kicker{display:inline-flex;align-items:center;gap:10px;color:#f3c358;margin-bottom:21px}
.blog-kicker::before{content:"";width:28px;height:2px;background:currentColor}
.blog-hero h1{max-width:760px;margin:0 0 22px;color:#fff;font-size:clamp(39px,5vw,64px);font-weight:850;letter-spacing:-.045em;line-height:1.04}
.blog-hero h1 em{font-style:normal;color:#8ed5f5}
.blog-hero-copy>p{max-width:700px;margin:0;color:rgba(255,255,255,.78);font-size:17px;line-height:1.8}
.blog-hero-actions{display:flex;gap:13px;flex-wrap:wrap;margin-top:32px}
.blog-btn{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:12px 24px;border-radius:9px;text-decoration:none;font-size:14px;font-weight:850;transition:transform .2s,background .2s,border-color .2s}
.blog-btn:hover{transform:translateY(-2px)}
.blog-btn-primary{background:#e8a020;color:#13263b;box-shadow:0 12px 30px rgba(232,160,32,.2)}
.blog-btn-primary:hover{background:#f1b33d}
.blog-btn-secondary{border:1px solid rgba(255,255,255,.36);background:rgba(255,255,255,.07);color:#fff;backdrop-filter:blur(6px)}
.blog-btn-secondary:hover{border-color:rgba(255,255,255,.68);background:rgba(255,255,255,.12)}
.blog-trust-row{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:28px;color:rgba(255,255,255,.68);font-size:12px;font-weight:700}
.blog-trust-row span{display:inline-flex;align-items:center;gap:8px}
.blog-trust-row span::before{content:"✓";display:inline-grid;place-items:center;width:18px;height:18px;border-radius:50%;background:rgba(142,213,245,.16);color:#8ed5f5;font-size:10px}
.blog-hero-panel{padding:26px 27px 24px;border:1px solid rgba(255,255,255,.16);border-radius:18px;background:rgba(5,24,43,.42);box-shadow:0 28px 70px rgba(0,0,0,.2);backdrop-filter:blur(12px)}
.panel-label{padding-bottom:15px;border-bottom:1px solid rgba(255,255,255,.13);color:#8ed5f5;font-size:11px;font-weight:900;letter-spacing:.13em}
.blog-hero-panel ol{list-style:none;margin:4px 0 9px;padding:0}
.blog-hero-panel li{display:flex;gap:15px;align-items:flex-start;padding:17px 0;border-bottom:1px solid rgba(255,255,255,.1)}
.blog-hero-panel li>span{display:grid;place-items:center;flex:0 0 36px;height:36px;border:1px solid rgba(243,195,88,.35);border-radius:9px;color:#f3c358;font-size:11px;font-weight:900}
.blog-hero-panel strong,.blog-hero-panel small{display:block}
.blog-hero-panel strong{margin:1px 0 5px;color:#fff;font-size:14px}
.blog-hero-panel small{color:rgba(255,255,255,.61);font-size:12px;line-height:1.55}
.blog-hero-panel>a{display:flex;justify-content:space-between;align-items:center;padding-top:14px;color:#f3c358;text-decoration:none;font-size:13px;font-weight:800}

.blog-shell{max-width:1240px;margin:0 auto;padding:0 5% 80px}
.section-block{padding-top:78px}
.blog-section-heading{display:flex;align-items:end;justify-content:space-between;gap:36px;margin-bottom:28px}
.blog-section-heading>div{max-width:760px}
.blog-section-heading h2{margin:8px 0 10px;color:#0a2744;font-size:clamp(28px,3.5vw,40px);font-weight:850;letter-spacing:-.03em;line-height:1.15}
.blog-section-heading p{margin:0;color:#65768a;font-size:15px;line-height:1.72}
.section-link{flex:0 0 auto;padding:9px 2px;border-bottom:1px solid #aebdcb;color:#0b5fc0;text-decoration:none;font-size:13px;font-weight:850}
.section-link:hover{border-color:#0b5fc0}
.blog-section-heading.compact{align-items:center}
.blog-section-heading.compact>p{max-width:430px}

.featured-grid{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(290px,.55fr);grid-template-rows:1fr 1fr;gap:18px}
.featured-card{position:relative;display:flex;flex-direction:column;align-items:flex-start;justify-content:center;min-height:208px;padding:28px;border:1px solid #dce6f0;border-radius:15px;background:#fff;color:#172b43;text-decoration:none;box-shadow:0 10px 32px rgba(10,39,68,.055);transition:transform .22s,border-color .22s,box-shadow .22s;overflow:hidden}
.featured-card:hover{transform:translateY(-4px);border-color:#9fc7e2;box-shadow:0 18px 42px rgba(10,39,68,.11)}
.featured-card h3{max-width:560px;margin:10px 0 10px;color:#0a2744;font-size:20px;line-height:1.3}
.featured-card p{max-width:560px;margin:0 0 17px;color:#6a7b8e;font-size:13px;line-height:1.7}
.featured-card-main{grid-row:1 / 3;min-height:434px;padding:42px;background:linear-gradient(142deg,#f8fbfe 0%,#eef6fb 100%)}
.featured-card-main::before{content:"";position:absolute;right:-80px;bottom:-100px;width:340px;height:340px;border:52px solid rgba(30,122,191,.075);border-radius:50%}
.featured-card-main h3{font-size:clamp(28px,3vw,40px);letter-spacing:-.025em;line-height:1.15}
.featured-card-main p{font-size:15px}
.featured-card-copy{position:relative;z-index:2}
.featured-mark{position:absolute;right:38px;top:34px;color:rgba(11,95,192,.1);font-size:54px;font-weight:900;letter-spacing:-.06em}
.featured-mark sub{font-size:.48em}
.article-tag{display:inline-flex;padding:6px 9px;border-radius:5px;background:#e9f3fa;color:#1266a0;font-size:10px;font-weight:900;letter-spacing:.1em;text-transform:uppercase}
.read-more{margin-top:auto;color:#0b5fc0;font-size:13px;font-weight:850}
.read-more b{padding-left:5px;transition:padding .2s}
.featured-card:hover .read-more b{padding-left:10px}

.blog-categories{margin-top:78px;padding:55px 48px;border-radius:20px;background:#f5f8fb}
.blog-categories.section-block{padding-top:55px}
.blog-category-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:11px}
.blog-category-grid>a{display:flex;align-items:center;gap:12px;min-height:68px;padding:12px 14px;border:1px solid #dce6f0;border-radius:10px;background:#fff;color:#20344b;text-decoration:none;font-size:13px;font-weight:800;transition:transform .2s,border-color .2s,box-shadow .2s}
.blog-category-grid>a:hover{transform:translateY(-2px);border-color:#8ebbd7;box-shadow:0 9px 22px rgba(10,39,68,.08)}
.blog-category-grid>a>span{display:grid;place-items:center;flex:0 0 42px;height:42px;border-radius:9px;background:#eaf3f9;color:#0b5fc0;font-size:11px;font-weight:900}
.blog-category-grid sub{font-size:.65em}

.blog-collections .blog-section-heading{margin-bottom:26px}
.blog-collection-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.collection-card{padding:25px 24px 23px;border:1px solid #dce6f0;border-top:3px solid #1e7abf;border-radius:12px;background:#fff;box-shadow:0 8px 24px rgba(10,39,68,.045)}
.collection-card:nth-child(3n+2){border-top-color:#e8a020}
.collection-card:nth-child(3n+3){border-top-color:#55a630}
.collection-card h3{margin:0 0 14px;color:#0a2744;font-size:18px}
.collection-card ul{list-style:none;margin:0;padding:0}
.collection-card li{border-top:1px solid #edf1f5}
.collection-card li:first-child{border-top:0}
.collection-card a{display:block;padding:10px 18px 10px 0;color:#4c6075;text-decoration:none;font-size:12.5px;line-height:1.45;position:relative}
.collection-card a::after{content:"›";position:absolute;right:0;color:#9aaaba}
.collection-card a:hover{color:#0b5fc0}

.seo-indexing-priority-hub{margin-top:0}
.seo-indexing-priority-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}
.index-group{align-self:start;border:1px solid #dce6f0;border-radius:11px;background:#fff;overflow:hidden}
.index-group summary{display:flex;align-items:center;justify-content:space-between;gap:15px;min-height:66px;padding:15px 18px;color:#0a2744;cursor:pointer;list-style:none;font-size:14px;font-weight:850;transition:background .2s}
.index-group summary::-webkit-details-marker{display:none}
.index-group summary:hover{background:#f5f9fc}
.index-group summary b{display:grid;place-items:center;width:26px;height:26px;border-radius:50%;background:#eaf3f9;color:#0b5fc0;font-size:18px;font-weight:500;transition:transform .25s}
.index-group[open] summary{background:#f5f9fc;border-bottom:1px solid #dce6f0}
.index-group[open] summary b{transform:rotate(45deg)}
.index-group ul{max-height:360px;overflow:auto;margin:0;padding:8px 17px 13px;list-style:none;scrollbar-width:thin}
.index-group li{border-bottom:1px solid #edf1f5}
.index-group li:last-child{border-bottom:0}
.index-group a{display:block;padding:10px 1px;color:#53677c;text-decoration:none;font-size:12.5px;line-height:1.45}
.index-group a:hover{color:#0b5fc0}

.blog-archive{padding-top:36px}
.archive-details{border:1px solid #cbdbe8;border-radius:14px;background:linear-gradient(135deg,#f8fbfd,#f1f7fb);overflow:hidden}
.archive-details>summary{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:23px 26px;cursor:pointer;list-style:none}
.archive-details>summary::-webkit-details-marker{display:none}
.archive-details>summary span,.archive-details>summary b,.archive-details>summary small{display:block}
.archive-details>summary b{margin-bottom:5px;color:#0a2744;font-size:16px}
.archive-details>summary small{color:#6a7b8e;font-size:12px;line-height:1.5}
.archive-details>summary em{flex:0 0 auto;padding:9px 13px;border-radius:7px;background:#0b5fc0;color:#fff;font-size:11px;font-style:normal;font-weight:850}
.archive-details[open]>summary{border-bottom:1px solid #cbdbe8}
.archive-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 26px;max-height:620px;overflow:auto;margin:0;padding:18px 26px 24px;list-style:none;background:#fff}
.archive-grid li{display:flex;flex-direction:column;justify-content:center;min-height:64px;padding:8px 0;border-bottom:1px solid #edf1f5}
.archive-grid a{color:#405970;text-decoration:none;font-size:12.5px;line-height:1.45}
.archive-grid a:hover{color:#0b5fc0}
.archive-grid small{order:-1;margin-bottom:3px;color:#9aa7b4;font-size:10px;font-weight:700}
.sitemap-links{display:flex;justify-content:flex-end;align-items:center;gap:14px;padding:13px 4px;color:#7b8998;font-size:11px}
.sitemap-links a{color:#0b5fc0;text-decoration:none;font-weight:750}

.blog-home .seo-faq{max-width:1116px;margin:0 auto 78px;padding:34px 5%;border:0;border-top:1px solid #dce6f0;border-radius:0;background:#fff}
.blog-home .seo-faq h2{margin-bottom:20px;font-size:28px;letter-spacing:-.02em}
.blog-home .seo-faq .faq-item{padding:18px 0}
.blog-home .faq-q{margin-bottom:7px;color:#0a2744;font-size:14px;font-weight:850}
.blog-home .faq-a{color:#64768a;font-size:13px;line-height:1.7}

@media(max-width:980px){
  .blog-hero-inner{grid-template-columns:1fr;gap:38px;padding-top:66px}
  .blog-hero-panel{max-width:680px}
  .featured-grid{grid-template-columns:1fr 1fr;grid-template-rows:auto}
  .featured-card-main{grid-column:1 / 3;grid-row:auto;min-height:370px}
  .blog-category-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .blog-collection-grid,.seo-indexing-priority-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:720px){
  .blog-hero-inner{padding:52px 5% 58px}
  .blog-hero h1 br{display:none}
  .blog-trust-row{display:grid;grid-template-columns:1fr 1fr}
  .blog-shell{padding-bottom:58px}
  .section-block{padding-top:58px}
  .blog-section-heading,.blog-section-heading.compact{display:block}
  .blog-section-heading>p{margin-top:12px}
  .section-link{display:inline-block;margin-top:16px}
  .featured-grid{grid-template-columns:1fr}
  .featured-card-main{grid-column:auto;min-height:380px;padding:32px}
  .featured-card{min-height:190px}
  .blog-categories{margin-top:58px;padding:42px 24px}
  .blog-category-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .blog-collection-grid,.seo-indexing-priority-grid{grid-template-columns:1fr}
  .archive-grid{grid-template-columns:1fr}
}
@media(max-width:480px){
  .blog-hero h1{font-size:36px}
  .blog-hero-copy>p{font-size:15px}
  .blog-btn{width:100%}
  .blog-trust-row{grid-template-columns:1fr;gap:9px}
  .blog-hero-panel{padding:22px 20px}
  .blog-category-grid{grid-template-columns:1fr}
  .featured-mark{right:18px;top:18px;font-size:42px}
  .archive-details>summary{align-items:flex-start;padding:20px;flex-direction:column}
  .sitemap-links{align-items:flex-start;flex-direction:column;gap:7px;padding-top:14px}
}