/* INFOCHIEF | Liên kết chuyên môn – premium page-only enhancements.
   Uses body-level scoping; global header, mega menu and footer are unaffected. */
.linksite-premium-page #main-content{overflow:clip}
.linksite-premium-page .method-hero{min-height:390px}
.linksite-premium-page .method-hero-inner{padding-block:55px 60px}
.linksite-premium-page .method-hero h1{max-width:940px;font-size:clamp(38px,4.15vw,64px);line-height:1.1;letter-spacing:-.025em;margin:0 0 16px}
.linksite-premium-page .method-hero-lead{font-size:clamp(14px,1.13vw,17px);line-height:1.7;max-width:870px;margin:0}
.linksite-premium-page .linksite-principles-section{padding:64px 0 70px}
.linksite-premium-page .linksite-network-section{padding:68px 0 84px;background:linear-gradient(180deg,#f7faff 0%,#f2f7fc 100%)}
.linksite-premium-page .section-head{margin-bottom:16px}
.linksite-premium-page .linksite-principles-section .section-head{margin-bottom:28px}
.linksite-premium-page .section-kicker{display:block;margin:0 0 16px;padding:0!important;color:#3679b3;font-size:12px;font-weight:800;letter-spacing:.13em;line-height:1.4}
.linksite-premium-page .section-head h2{max-width:1150px;color:#153e6c;font-size:clamp(28px,2.8vw,40px);line-height:1.2;letter-spacing:-.025em}
.linksite-premium-page .method-intro{margin:0 0 30px;color:#506881;max-width:1040px;font-size:clamp(14px,1.1vw,16px);line-height:1.75}
.linksite-premium-page .about-ecosystem-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px}
.linksite-premium-page .about-ecosystem-card{padding:25px 20px 24px;min-width:0;min-height:270px;display:flex;flex-direction:column;align-items:flex-start;border:1px solid #dce8f5;border-radius:18px;box-shadow:0 6px 24px rgba(24,63,105,.045);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.linksite-premium-page .about-ecosystem-card:hover{transform:translateY(-3px);border-color:#b2d1ee;box-shadow:0 14px 30px rgba(24,63,105,.095)}
.linksite-premium-page .about-ecosystem-card>span{flex:0 0 auto;width:63px;height:63px;border-radius:16px;margin:0 0 22px;font-size:26px;letter-spacing:.01em}
.linksite-premium-page .about-ecosystem-card>strong{display:block;color:#143d6b;font-size:clamp(17px,1.23vw,21px);line-height:1.3;min-height:0;margin:0 0 12px;font-weight:800}
.linksite-premium-page .about-ecosystem-card>small{font-size:clamp(13px,1vw,15px);line-height:1.66;color:#58708b}
.linksite-premium-page .linksite-resource-group+.linksite-resource-group{margin-top:52px}
.linksite-premium-page .linksite-group-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:19px;padding-bottom:16px;border-bottom:1px solid #d8e4f1}
.linksite-premium-page .linksite-group-count{display:block;color:#3779b3;font-size:11px;letter-spacing:.12em;font-weight:800;margin-bottom:9px}
.linksite-premium-page .linksite-group-head h3{margin:0 0 7px;color:#173e6a;font-size:clamp(22px,2.15vw,29px);letter-spacing:-.02em;line-height:1.26}
.linksite-premium-page .linksite-group-head p{margin:0;max-width:950px;color:#60758b;line-height:1.65;font-size:14px}
.linksite-premium-page .category-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.linksite-premium-page .category-card{box-sizing:border-box;min-width:0;min-height:238px;padding:22px 22px 19px;border:1px solid #d9e6f3;border-radius:17px;box-shadow:0 7px 22px rgba(35,71,111,.055);background:#fff;display:flex;align-items:flex-start;flex-direction:column;justify-content:flex-start;transition:box-shadow .16s ease,border-color .16s ease,transform .16s ease}
.linksite-premium-page .category-card:hover,.linksite-premium-page .category-card:focus-visible{transform:translateY(-3px);border-color:#8cbee8;box-shadow:0 15px 32px rgba(35,71,111,.12);outline:0}
.linksite-premium-page .category-card:focus-visible{outline:3px solid #7fc5ed;outline-offset:2px}
.linksite-premium-page .category-icon{width:55px;height:55px;min-height:55px;flex:none;display:grid;place-items:center;margin:0 0 19px;background:linear-gradient(145deg,#edf6ff,#dcecff);border-radius:14px;color:#0a4767;font-size:27px;font-weight:800}
.linksite-premium-page .category-card strong{font-size:clamp(18px,1.35vw,22px);line-height:1.3;margin-bottom:9px;font-weight:800;letter-spacing:-.015em;overflow-wrap:anywhere}
.linksite-premium-page .category-card small{font-size:14px;line-height:1.65;color:#5a718a;font-weight:400}
.linksite-premium-page .category-card::after{content:"Mở nguồn tham khảo ↗";color:#17659c;font-size:11px;line-height:1.4;font-weight:800;margin-top:auto;padding-top:18px;letter-spacing:.01em}
@media(max-width:1220px){.linksite-premium-page .about-ecosystem-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.linksite-premium-page .about-ecosystem-card{min-height:230px}.linksite-premium-page .category-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:840px){.linksite-premium-page .method-hero{min-height:360px}.linksite-premium-page .method-hero-inner{padding-block:45px}.linksite-premium-page .linksite-principles-section,.linksite-premium-page .linksite-network-section{padding:48px 0 56px}.linksite-premium-page .about-ecosystem-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.linksite-premium-page .category-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.linksite-premium-page .about-ecosystem-card,.linksite-premium-page .category-card{min-height:0}}
@media(max-width:560px){.linksite-premium-page .method-hero{min-height:360px}.linksite-premium-page .method-hero h1{font-size:clamp(32px,8.4vw,39px)}.linksite-premium-page .method-hero-lead{font-size:14px}.linksite-premium-page .section-head h2{font-size:28px}.linksite-premium-page .about-ecosystem-grid,.linksite-premium-page .category-grid{grid-template-columns:1fr;gap:13px}.linksite-premium-page .about-ecosystem-card{padding:21px;min-height:0}.linksite-premium-page .category-card{padding:20px;min-height:0}.linksite-premium-page .linksite-group-head h3{font-size:24px}.linksite-premium-page .linksite-resource-group+.linksite-resource-group{margin-top:43px}}
@media(prefers-reduced-motion:reduce){.linksite-premium-page .category-card,.linksite-premium-page .about-ecosystem-card{transition:none}.linksite-premium-page .category-card:hover,.linksite-premium-page .about-ecosystem-card:hover{transform:none}}