:root{--yb-primary:#1f5fbf;--yb-primary-dark:#0f3f8f;--yb-text:#1f2937;--yb-muted:#64748b;--yb-bg:#f6f8fb;--yb-border:#e5e7eb;--yb-card:#fff;--yb-radius:16px;--yb-shadow:0 8px 28px rgba(15,23,42,.06)}*{box-sizing:border-box}.yb-wrap{max-width:1180px;margin:0 auto;padding:0 18px}.yb-light{background:#f6f8fb}.yb-muted{color:var(--yb-muted);line-height:1.9;font-size:15px}.yb-compact-note{font-size:13px;color:#64748b;line-height:1.7}.yb-kicker{display:inline-flex;align-items:center;margin-bottom:12px;padding:6px 12px;border-radius:999px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);font-size:14px}.yb-hero{background:radial-gradient(circle at 90% 10%,rgba(96,165,250,.36),transparent 32%),linear-gradient(135deg,#0f3f8f,#1f5fbf);color:#fff;padding:72px 0}.yb-hero.small{padding:44px 0}.yb-hero h1{font-size:42px;line-height:1.2;margin:0 0 16px}.yb-hero p{font-size:18px;max-width:760px;line-height:1.85;margin:0}.yb-hero-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:34px;align-items:center}.yb-hero-panel{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);border-radius:22px;padding:22px;backdrop-filter:blur(6px)}.yb-hero-panel strong{display:block;font-size:18px;margin-bottom:12px}.yb-hero-panel ul{margin:0;padding-left:20px;line-height:2}.yb-actions a{display:inline-block;margin:22px 12px 0 0;padding:12px 20px;border-radius:999px;background:#fff;color:#1f5fbf;text-decoration:none;font-weight:700}.yb-actions .yb-action-ghost{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.32)}.yb-section{padding:48px 0}.yb-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:22px}.yb-section-head h2{font-size:28px;margin:0;color:#0f172a}.yb-section-head p{margin:6px 0 0;color:#64748b;line-height:1.7}.yb-section-head a{color:var(--yb-primary);text-decoration:none;font-weight:700}.yb-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.yb-list{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.yb-card{background:#fff;border:1px solid var(--yb-border);border-radius:var(--yb-radius);padding:22px;box-shadow:0 4px 18px rgba(15,23,42,.04)}.yb-card h3{margin:0 0 10px;font-size:20px;color:#0f172a}.yb-card p{color:var(--yb-muted);line-height:1.75;margin:0}.yb-feature span{display:inline-flex;width:36px;height:36px;border-radius:12px;align-items:center;justify-content:center;background:#eef6ff;color:#1f5fbf;font-weight:800;margin-bottom:14px}.yb-card-meta{margin-top:14px;font-size:13px;color:#94a3b8}.yb-news-card h3 a{color:inherit;text-decoration:none}a.yb-card,a.yb-link-card{display:block;color:inherit;text-decoration:none;transition:.18s ease}a.yb-card:hover,a.yb-link-card:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(15,23,42,.08);border-color:#bfdbfe}.yb-notice{background:#fff7ed;border:1px solid #fed7aa;color:#9a3412;padding:14px 18px;border-radius:10px;line-height:1.7}.yb-feedback{background:var(--yb-bg);border-radius:12px;padding:22px}.yb-feedback input,.yb-feedback select,.yb-feedback textarea{width:100%;box-sizing:border-box;margin-bottom:12px;padding:10px;border:1px solid var(--yb-border);border-radius:8px}.yb-feedback button{background:var(--yb-primary);color:white;border:0;border-radius:8px;padding:10px 16px}
/* 调研问卷 */.yb-survey-hero .yb-publish-units{margin-top:16px}.yb-survey-meta{display:flex;flex-wrap:wrap;gap:10px;margin:16px 0 0}.yb-survey-meta span{display:inline-flex;align-items:center;padding:7px 12px;border-radius:999px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);font-size:14px}.yb-status-active{background:#dcfce7!important;color:#166534!important;border-color:#bbf7d0!important}.yb-publish-units{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}.yb-publish-unit{display:inline-flex;align-items:center;padding:6px 11px;border-radius:999px;background:#eef6ff;color:#1e4f8f;font-size:13px}.yb-survey-layout{display:grid;grid-template-columns:280px minmax(0,1fr);gap:24px;align-items:start}.yb-survey-side{position:sticky;top:18px}.yb-side-card{background:#fff;border:1px solid var(--yb-border);border-radius:14px;padding:16px;margin-bottom:12px;box-shadow:0 4px 16px rgba(15,23,42,.04)}.yb-side-card strong{display:block;color:#0f172a;margin-bottom:6px}.yb-side-card p{margin:0;color:#64748b;line-height:1.7}.yb-progress{height:8px;background:#e2e8f0;border-radius:999px;overflow:hidden;margin:14px 0}.yb-progress span{display:block;height:100%;background:#1f5fbf;border-radius:999px}.yb-question{background:#fff;border:1px solid #e5e7eb;border-radius:18px;padding:24px;margin-bottom:18px;box-shadow:0 8px 24px rgba(15,23,42,.05)}.yb-question-index{font-size:13px;color:#1f5fbf;font-weight:800;margin-bottom:8px}.yb-question h3{font-size:18px;margin:0 0 8px;color:#0f172a}.yb-question p{margin:0 0 14px;color:#64748b;line-height:1.7}.required{color:#dc2626}.yb-option{display:block;padding:12px 14px;margin:8px 0;border:1px solid #e5e7eb;border-radius:12px;background:#f8fafc;cursor:pointer}.yb-option:hover{background:#eef6ff;border-color:#bfdbfe}.yb-score label{display:inline-flex;align-items:center;justify-content:center;width:46px;height:38px;margin-right:8px;border:1px solid #e5e7eb;border-radius:9px;background:#f8fafc}.yb-survey textarea,.yb-survey input[type=text]{width:100%;border:1px solid #d1d5db;border-radius:10px;padding:12px;font-size:15px}.yb-submit-panel{margin-top:22px;background:#fff;border:1px solid #dbeafe;border-radius:18px;padding:20px;display:flex;align-items:center;justify-content:space-between;gap:18px;box-shadow:0 10px 26px rgba(15,23,42,.07)}.yb-submit-panel strong{font-size:18px;color:#0f172a}.yb-submit-panel p{margin:6px 0 0;color:#64748b;line-height:1.7}.yb-submit-btn{border:0;border-radius:999px;background:#1f5fbf;color:#fff;padding:14px 30px;font-size:16px;font-weight:800;cursor:pointer;min-width:136px;box-shadow:0 10px 18px rgba(31,95,191,.22)}.yb-submit-btn:hover{filter:brightness(.96)}.yb-metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.yb-metric{background:#fff;border:1px solid #e5e7eb;border-radius:14px;padding:18px}.yb-metric strong{display:block;font-size:28px;color:#1f5fbf}.yb-metric span{color:#64748b;font-size:13px}
/* 文章/规则页 */.yb-article{max-width:920px}.yb-article h2{margin-top:28px;margin-bottom:10px;font-size:22px}.yb-article p{line-height:1.9;color:#334155}.yb-mini-admin-note{font-size:12px;color:#9aa4b2}
/* 底部 */.yb-site-footer{background:#0f172a;color:#cbd5e1;padding:38px 0 20px;margin-top:36px;font-size:14px}.yb-footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:28px}.yb-footer-grid-4{grid-template-columns:1.25fr 1fr 1.05fr 1.05fr}.yb-site-footer h3,.yb-site-footer h4{color:#fff;margin:0 0 12px}.yb-site-footer p{margin:7px 0;line-height:1.75}.yb-site-footer a{color:#dbeafe;text-decoration:none}.yb-footer-small{font-size:13px;color:#94a3b8}.yb-footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:22px;padding-top:14px;display:flex;gap:16px;justify-content:space-between;flex-wrap:wrap;font-size:12px;color:#9aa4b2}
@media(max-width:900px){.yb-hero-layout,.yb-survey-layout{grid-template-columns:1fr}.yb-hero-panel,.yb-survey-side{position:static}.yb-footer-grid-4{grid-template-columns:1fr 1fr}.yb-list,.yb-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:768px){.yb-grid,.yb-list{grid-template-columns:1fr}.yb-hero{padding:48px 0}.yb-hero.small{padding:36px 0}.yb-hero h1{font-size:32px}.yb-section-head{display:block}.yb-submit-panel{display:block}.yb-submit-btn{width:100%;margin-top:16px}.yb-footer-grid,.yb-footer-grid-4{grid-template-columns:1fr}.yb-site-footer{margin-top:24px}}

/* v11 institution pages */
.yb-filter{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:22px}.yb-filter a{padding:8px 14px;border:1px solid #e5e7eb;border-radius:999px;color:#334155;text-decoration:none;background:#fff}.yb-filter a.active,.yb-filter a:hover{background:#0f172a;color:#fff;border-color:#0f172a}.yb-institution-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.yb-institution-card{display:flex;gap:16px;padding:20px;border:1px solid #e5e7eb;border-radius:18px;background:#fff;text-decoration:none;color:inherit;transition:.18s}.yb-institution-card:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(15,23,42,.08)}.yb-institution-logo{width:58px;height:58px;border-radius:16px;background:#eef2ff;color:#1d4ed8;display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:700;overflow:hidden;flex:none}.yb-institution-logo img{width:100%;height:100%;object-fit:cover}.yb-institution-logo.big{width:84px;height:84px;border-radius:22px}.yb-institution-body h3{margin:0 0 8px;font-size:19px}.yb-institution-body p{margin:0 0 14px;color:#64748b;line-height:1.7}.yb-row-between{display:flex;align-items:center;justify-content:space-between;gap:10px}.yb-tag{display:inline-flex;align-items:center;border-radius:999px;background:#eef2ff;color:#1d4ed8;font-size:12px;padding:4px 9px;white-space:nowrap}.yb-meta{display:flex;gap:14px;flex-wrap:wrap;color:#64748b;font-size:13px}.yb-pagination{margin-top:28px;text-align:center}.yb-detail-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:24px}.yb-detail-main,.yb-detail-side .yb-card{background:#fff;border:1px solid #e5e7eb;border-radius:18px}.yb-detail-main{padding:26px}.yb-detail-side{display:grid;gap:16px;align-content:start}.yb-institution-head{display:flex;gap:18px;align-items:center;padding-bottom:22px;border-bottom:1px solid #e5e7eb}.yb-institution-head h2{margin:0 0 10px}.yb-info-table{margin:24px 0;display:grid;grid-template-columns:repeat(2,1fr);border:1px solid #e5e7eb;border-radius:16px;overflow:hidden}.yb-info-table div{padding:14px 16px;border-bottom:1px solid #e5e7eb}.yb-info-table div:nth-child(odd){border-right:1px solid #e5e7eb}.yb-info-table div:nth-last-child(-n+2){border-bottom:none}.yb-info-table b{display:block;color:#334155;margin-bottom:6px}.yb-info-table span{color:#64748b}.yb-article{line-height:1.85;color:#334155}.yb-article img{max-width:100%;height:auto;border-radius:10px}.yb-mini-btn{display:inline-block;margin-top:8px;background:#0f172a;color:#fff;text-decoration:none;border-radius:10px;padding:9px 12px}@media(max-width:768px){.yb-institution-grid,.yb-detail-layout,.yb-info-table{grid-template-columns:1fr}.yb-info-table div,.yb-info-table div:nth-child(odd){border-right:none}.yb-info-table div:nth-last-child(2){border-bottom:1px solid #e5e7eb}.yb-institution-card{padding:16px}.yb-detail-main{padding:18px}.yb-institution-head{align-items:flex-start}}

/* v13 article detail / publish unit */
.yb-article-wrap{padding:34px 16px 54px;}
.yb-article-card{max-width:880px;margin:0 auto;background:#fff;border:1px solid #e5e7eb;border-radius:18px;padding:32px;box-shadow:0 12px 32px rgba(15,23,42,.05);}
.yb-article-card h1{font-size:30px;line-height:1.35;margin:0 0 14px;color:#0f172a;}
.yb-meta-line{display:flex;gap:14px;flex-wrap:wrap;font-size:14px;color:#64748b;margin:8px 0 16px;}
.yb-publish-units{padding:10px 12px;background:#f8fafc;border-radius:10px;color:#475569;}
.yb-article-body{font-size:17px;line-height:1.9;color:#1f2937;}
.yb-article-body img{max-width:100%;height:auto;border-radius:8px;}
.yb-article-body iframe{display:block;width:100%;max-width:100%;min-height:360px;margin:22px 0;border:0;border-radius:10px;background:#f8fafc;box-shadow:0 0 0 1px #e5e7eb;}
.yb-article-body iframe[height]{min-height:0;}
.yb-article-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px;padding-top:20px;border-top:1px solid #e5e7eb;}
.yb-mini-btn-light{background:#eef2ff!important;color:#1d4ed8!important;}
@media(max-width:768px){.yb-article-card{padding:22px 18px;border-radius:14px}.yb-article-card h1{font-size:24px}.yb-article-body{font-size:16px}.yb-article-body iframe{min-height:240px}}

/* Yibao news list */
.yb-news-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:24px;align-items:start}
.yb-news-feed{display:grid;gap:16px}
.yb-news-row{display:grid;grid-template-columns:180px minmax(0,1fr);gap:18px;background:#fff;border:1px solid #e5e7eb;border-radius:18px;padding:18px;box-shadow:0 8px 24px rgba(15,23,42,.05)}
.yb-news-thumb{display:flex;align-items:center;justify-content:center;min-height:122px;border-radius:14px;background:#eef6ff;color:#1f5fbf;text-decoration:none;overflow:hidden;font-weight:800}
.yb-news-thumb img{width:100%;height:100%;object-fit:cover}
.yb-news-row-body h2{font-size:22px;line-height:1.35;margin:8px 0 10px}
.yb-news-row-body h2 a{color:#0f172a;text-decoration:none}
.yb-news-row-body p{margin:0;color:#64748b;line-height:1.8}
.yb-text-link{display:inline-flex;margin-top:14px;color:#1f5fbf;text-decoration:none;font-weight:800}
.yb-news-side{display:grid;gap:16px;position:sticky;top:18px}
@media(max-width:900px){.yb-news-layout{grid-template-columns:1fr}.yb-news-side{position:static}.yb-news-row{grid-template-columns:140px minmax(0,1fr)}}
@media(max-width:640px){.yb-news-row{grid-template-columns:1fr}.yb-news-thumb{min-height:120px}.yb-news-row-body h2{font-size:19px}}

/* Yibao site header */
.yb-site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);border-bottom:1px solid #e5e7eb;backdrop-filter:blur(10px)}
.yb-topbar{min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.yb-brand{display:flex;align-items:center;gap:10px;color:#0f172a;text-decoration:none;min-width:190px}
.yb-brand-mark{display:inline-flex;width:38px;height:38px;border-radius:12px;align-items:center;justify-content:center;background:#1f5fbf;color:#fff;font-weight:900}
.yb-brand strong{display:block;font-size:18px;line-height:1.1}
.yb-brand em{display:block;font-style:normal;color:#64748b;font-size:12px;margin-top:3px}
.yb-main-nav{display:flex;align-items:center;justify-content:flex-end;gap:18px;flex-wrap:wrap}
.yb-main-nav a{color:#334155;text-decoration:none;font-weight:700;font-size:14px}
.yb-main-nav a:hover{color:#1f5fbf}
.yb-nav-toggle{display:none;width:40px;height:40px;border:1px solid #e5e7eb;border-radius:12px;background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer}.yb-nav-toggle span{display:block;width:18px;height:2px;border-radius:999px;background:#0f172a;transition:.18s}.yb-nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}.yb-nav-toggle.open span:nth-child(2){opacity:0}.yb-nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media(max-width:760px){.yb-topbar{min-height:auto;display:grid;grid-template-columns:1fr auto;align-items:center;padding-top:12px;padding-bottom:12px}.yb-nav-toggle{display:flex}.yb-main-nav{grid-column:1/-1;display:none;width:100%;justify-content:flex-start;gap:8px;padding-top:10px}.yb-main-nav.open{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.yb-main-nav a{font-size:13px;background:#f8fafc;border:1px solid #e5e7eb;border-radius:10px;padding:10px 11px}.yb-brand{min-width:0}}

/* v16 front polish */
.yb-section-head-stack{align-items:center}
.yb-searchbar{display:flex;align-items:center;gap:8px;min-width:320px;background:#fff;border:1px solid #dbe3ef;border-radius:999px;padding:6px;box-shadow:0 6px 18px rgba(15,23,42,.04)}
.yb-searchbar input{border:0;outline:0;min-width:0;flex:1;padding:8px 10px;font-size:14px;background:transparent;color:#0f172a}
.yb-searchbar button{border:0;border-radius:999px;background:#0f172a;color:#fff;font-weight:800;padding:9px 15px;cursor:pointer}
.yb-filter-rich{padding:12px;border:1px solid #e5e7eb;border-radius:18px;background:#fff;box-shadow:0 6px 20px rgba(15,23,42,.04)}
.yb-filter-compact{margin-bottom:0}
.yb-filter-panel{background:#fff;border:1px solid #e5e7eb;border-radius:18px;padding:14px 14px 2px;margin-bottom:22px;box-shadow:0 6px 20px rgba(15,23,42,.04)}
.yb-news-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:8px}
.yb-news-tags span{display:inline-flex;border-radius:999px;background:#f1f5f9;color:#475569;font-size:12px;padding:4px 9px}
.yb-news-foot{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:14px;color:#94a3b8;font-size:13px}
.yb-news-foot .yb-text-link{margin-top:0;margin-left:auto}
.yb-side-list{display:grid;gap:12px}
.yb-side-list a{display:block;padding-bottom:12px;border-bottom:1px solid #edf2f7;text-decoration:none;color:inherit}
.yb-side-list a:last-child{border-bottom:0;padding-bottom:0}
.yb-side-list strong{display:block;color:#0f172a;font-size:14px;line-height:1.55}
.yb-side-list span{display:block;color:#94a3b8;font-size:12px;margin-top:5px}
.yb-related-card{padding:18px}
.yb-related-card h3{padding-bottom:12px;margin-bottom:6px;border-bottom:1px solid #eef2f7}
.yb-related-card .yb-side-list{gap:0}
.yb-related-card .yb-side-list a{position:relative;display:block;padding:13px 0;min-width:0}
.yb-related-card .yb-side-list em{display:none}
.yb-related-card .yb-side-list strong{display:-webkit-box;width:100%;font-size:14px;line-height:1.55;word-break:break-word;overflow:hidden;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.yb-related-card .yb-side-list span{display:block;color:#94a3b8;margin-top:6px;white-space:normal}
.yb-related-card .yb-side-list a:hover strong{color:#1f5fbf}
.yb-related-card .yb-side-list a.is-collapsed{display:none}
.yb-related-toggle{display:block;width:100%;margin-top:8px;padding:9px 12px;border:1px solid #dce5f0;background:#f7f9fc;color:#36516f;font:inherit;cursor:pointer}
.yb-related-toggle:hover{border-color:#9db8d8;background:#eef4fa;color:#1f5fbf}
.yb-empty{padding:28px;border:1px dashed #cbd5e1;border-radius:16px;background:#f8fafc;color:#64748b;text-align:center}
.yb-btn{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;background:#1f5fbf;color:#fff;text-decoration:none;font-weight:800;padding:11px 18px;margin-top:16px;box-shadow:0 8px 18px rgba(31,95,191,.16)}
.yb-btn-muted{background:#64748b;box-shadow:0 8px 18px rgba(100,116,139,.14)}
.yb-article-layout{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:24px;align-items:start}
.yb-article-layout .yb-article-card{max-width:none;margin:0}
.yb-article-aside{display:grid;gap:16px;position:sticky;top:88px}
.yb-article-source{display:flex;gap:10px;align-items:flex-start;background:#f8fafc;border:1px solid #e5e7eb;border-radius:14px;padding:13px 14px;margin:16px 0 20px;color:#64748b;line-height:1.7}
.yb-article-source strong{white-space:nowrap;color:#0f172a}
.yb-ai-article-layout{max-width:780px;margin:0 auto;display:block;color:#334155;line-height:1.9}
.yb-ai-article-layout h2{margin:0 0 16px;color:#0f172a;font-size:26px;line-height:1.35}
.yb-ai-article-layout h3{margin:24px 0 10px;color:#0f172a;font-size:19px;line-height:1.45}
.yb-ai-article-layout p{margin:0 0 14px}
.yb-ai-article-layout ul,.yb-ai-article-layout ol{margin:0 0 16px 1.25em;padding:0}
.yb-ai-article-layout blockquote,.yb-ai-article-layout .yb-article-lead{margin:0 0 18px;padding:14px 16px;border-left:4px solid #1f5fbf;background:#f8fafc;border-radius:10px;color:#475569}
.yb-ai-article-layout .yb-article-note{margin-top:22px;color:#64748b;font-size:14px}
.yb-research-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.yb-research-card{display:flex;flex-direction:column;min-height:260px}
.yb-research-card h3{font-size:22px;line-height:1.35;margin-top:16px}
.yb-research-card .yb-btn{align-self:flex-start;margin-top:auto}
.yb-research-meta{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:18px 0;color:#64748b;font-size:13px}
.yb-research-meta span{padding:9px 10px;background:#f8fafc;border:1px solid #eef2f7;border-radius:10px}
.yb-status-pill{display:inline-flex;align-items:center;border-radius:999px;padding:5px 10px;font-size:12px;font-weight:800;border:1px solid transparent}
.yb-status-closed{background:#f1f5f9!important;color:#64748b!important;border-color:#e2e8f0!important}
.yb-home-two-col{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(320px,.85fr);gap:24px;align-items:start}.yb-home-rank{display:grid;gap:12px}.yb-home-rank a{display:flex;justify-content:space-between;gap:18px;align-items:center;padding:16px 18px;background:#fff;border:1px solid #e5e7eb;border-radius:14px;text-decoration:none;color:inherit;box-shadow:0 4px 18px rgba(15,23,42,.04)}.yb-home-rank strong{font-size:16px;line-height:1.55;color:#0f172a}.yb-home-rank span{white-space:nowrap;color:#94a3b8;font-size:13px}.yb-home-research{min-height:100%;display:flex;flex-direction:column}.yb-home-research h2{margin:14px 0 10px;color:#0f172a}.yb-home-steps{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin:18px 0}.yb-home-steps span{padding:10px 12px;border-radius:12px;background:#f8fafc;border:1px solid #e5e7eb;color:#334155;font-size:13px}.yb-home-research .yb-btn{align-self:flex-start;margin-top:auto}
@media(max-width:960px){.yb-article-layout,.yb-home-two-col{grid-template-columns:1fr}.yb-article-aside{position:static}.yb-research-grid{grid-template-columns:1fr}.yb-searchbar{min-width:0;width:100%}.yb-section-head-stack{display:grid;gap:14px;align-items:start}.yb-news-foot .yb-text-link{margin-left:0}}
@media(max-width:640px){.yb-searchbar{border-radius:14px}.yb-searchbar button{padding:9px 12px}.yb-research-meta,.yb-home-steps{grid-template-columns:1fr}.yb-filter-panel{padding-bottom:8px}.yb-article-source{display:block}.yb-article-source strong{display:block;margin-bottom:4px}.yb-home-rank a{display:block}.yb-home-rank span{margin-top:6px;display:block;white-space:normal}}

/* v21 restrained visual polish */
.yb-hero-home{position:relative;overflow:hidden;background:linear-gradient(135deg,rgba(15,63,143,.96),rgba(31,95,191,.96)),linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px),linear-gradient(0deg,rgba(255,255,255,.08) 1px,transparent 1px);background-size:auto,72px 72px,72px 72px}
.yb-hero-home:after{content:"";position:absolute;inset:auto -8% -36% 48%;height:360px;border-radius:50%;background:radial-gradient(circle,rgba(219,234,254,.28),transparent 66%);pointer-events:none}
.yb-hero-home .yb-wrap{position:relative;z-index:1}
.yb-hero-visual{display:grid;gap:18px;border-radius:22px;background:rgba(255,255,255,.14);box-shadow:inset 0 1px 0 rgba(255,255,255,.14),0 24px 70px rgba(6,21,52,.16)}
.yb-hero-visual-head{display:flex;justify-content:space-between;align-items:center;color:#dbeafe;font-size:12px;letter-spacing:.08em}
.yb-hero-visual-head i{width:9px;height:9px;border-radius:999px;background:#22c55e;box-shadow:0 0 0 6px rgba(34,197,94,.15)}
.yb-hero-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.yb-hero-metrics div{padding:12px 10px;border-radius:14px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.16)}
.yb-hero-metrics strong{display:block;margin:0 0 5px;color:#fff;font-size:17px}
.yb-hero-metrics em{display:block;font-style:normal;color:#dbeafe;font-size:12px;white-space:nowrap}
.yb-hero-chart{height:116px;display:flex;align-items:flex-end;gap:10px;padding:12px;border-radius:16px;background:linear-gradient(180deg,rgba(255,255,255,.1),rgba(255,255,255,.05));border:1px solid rgba(255,255,255,.14)}
.yb-hero-chart span{flex:1;min-height:24px;border-radius:999px 999px 6px 6px;background:linear-gradient(180deg,#bfdbfe,#60a5fa);opacity:.9;animation:yb-bar-rise 3.8s ease-in-out infinite}
.yb-hero-chart span:nth-child(2){animation-delay:.18s}.yb-hero-chart span:nth-child(3){animation-delay:.36s}.yb-hero-chart span:nth-child(4){animation-delay:.54s}.yb-hero-chart span:nth-child(5){animation-delay:.72s}.yb-hero-chart span:nth-child(6){animation-delay:.9s}
.yb-hero-flow{display:flex;align-items:center;gap:8px;color:#e0ecff;font-size:12px}
.yb-hero-flow span{padding:6px 8px;border-radius:999px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.14);white-space:nowrap}
.yb-hero-flow b{height:1px;flex:1;min-width:12px;background:linear-gradient(90deg,rgba(255,255,255,.18),rgba(255,255,255,.58))}
.yb-home-feature-grid .yb-feature{position:relative;overflow:hidden;min-height:178px}
.yb-home-feature-grid .yb-feature:before{content:attr(data-icon);position:absolute;right:18px;top:16px;width:54px;height:54px;border-radius:18px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#eef6ff,#fff);border:1px solid #dbeafe;color:#1f5fbf;font-size:24px;font-weight:900;opacity:.82}
.yb-home-feature-grid .yb-feature:after{content:"";position:absolute;left:22px;right:22px;bottom:0;height:3px;border-radius:999px;background:linear-gradient(90deg,#1f5fbf,#93c5fd);transform:scaleX(.24);transform-origin:left;transition:transform .22s ease}
.yb-home-feature-grid .yb-feature:hover:after{transform:scaleX(1)}
.yb-news-card{position:relative;overflow:hidden}
.yb-news-card-visual{display:block;position:relative;height:96px;margin:-22px -22px 18px;border-radius:16px 16px 0 0;background:linear-gradient(135deg,#f8fbff,#eef6ff);border-bottom:1px solid #e5e7eb;overflow:hidden;text-decoration:none}
.yb-news-card-visual:before{content:"";position:absolute;left:18px;top:18px;width:92px;height:24px;border-radius:999px;background:#fff;border:1px solid #dbeafe;box-shadow:0 8px 20px rgba(31,95,191,.06)}
.yb-news-card-visual:after{content:"";position:absolute;left:18px;right:92px;bottom:20px;height:28px;border-radius:8px;background:linear-gradient(#bfdbfe,#bfdbfe) 0 0/64% 3px no-repeat,linear-gradient(#dbeafe,#dbeafe) 0 12px/92% 3px no-repeat,linear-gradient(#eaf2ff,#eaf2ff) 0 24px/74% 3px no-repeat}
.yb-news-card-visual span{position:absolute;left:31px;top:24px;color:#1f5fbf;font-size:12px;font-weight:900;letter-spacing:0}
.yb-news-card-visual i{position:absolute;right:18px;top:18px;width:46px;height:46px;border-radius:16px;background:#fff;border:1px solid #dbeafe;box-shadow:0 10px 24px rgba(31,95,191,.09)}
.yb-news-card-visual i:before,.yb-news-card-visual i:after{content:"";position:absolute;border-radius:999px;background:#1f5fbf}
.yb-news-card-visual i:before{left:11px;top:12px;width:20px;height:4px}.yb-news-card-visual i:after{left:11px;top:21px;width:14px;height:4px;background:#93c5fd}
.yb-news-card-visual b{position:absolute;right:78px;bottom:20px;width:42px;height:42px;border-radius:50%;background:radial-gradient(circle at 38% 38%,#fff 0 28%,transparent 29%),conic-gradient(from 210deg,#1f5fbf 0 34%,#bfdbfe 34% 72%,#eaf2ff 72% 100%);opacity:.9}
.yb-news-card-visual em{position:absolute;right:-18px;bottom:-28px;width:110px;height:78px;border-radius:50%;background:rgba(191,219,254,.36);font-style:normal}
.yb-news-card:hover .yb-news-card-visual i{transform:translateY(-2px)}
@keyframes yb-bar-rise{0%,100%{filter:saturate(1);transform:scaleY(.96)}50%{filter:saturate(1.18);transform:scaleY(1.04)}}
@media(prefers-reduced-motion:reduce){.yb-hero-chart span,.yb-news-card-visual i,.yb-home-feature-grid .yb-feature:after{animation:none!important;transition:none!important}}
@media(max-width:900px){.yb-hero-flow{flex-wrap:wrap}.yb-hero-flow b{display:none}}
@media(max-width:640px){.yb-hero-metrics{grid-template-columns:1fr}.yb-news-card-visual{height:72px}}

/* v22 editorial news presentation */
.yb-home-news-layout{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(360px,.92fr);gap:22px;align-items:stretch}
.yb-home-news-lead{display:flex;min-width:0;flex-direction:column;overflow:hidden;background:#fff;border:1px solid #e2e8f0;border-radius:16px;box-shadow:0 10px 30px rgba(15,23,42,.06)}
.yb-home-news-lead-media{display:flex;aspect-ratio:16/9;max-height:330px;align-items:center;justify-content:center;overflow:hidden;background:#eaf2ff;color:#1f5fbf;text-decoration:none;font-weight:800}
.yb-home-news-lead-media img,.yb-home-news-item-media img{width:100%;height:100%;object-fit:cover;transition:transform .28s ease}
.yb-home-news-lead:hover img,.yb-home-news-item:hover img{transform:scale(1.025)}
.yb-home-news-lead-body{display:flex;flex:1;flex-direction:column;padding:22px 24px}
.yb-home-news-lead h3{margin:0 0 10px;font-size:27px;line-height:1.38}
.yb-home-news-lead h3 a,.yb-home-news-item h3 a{color:#0f172a;text-decoration:none}
.yb-home-news-lead p{margin:0;color:#64748b;line-height:1.75}
.yb-home-news-lead .yb-card-meta{margin-top:auto;padding-top:16px}
.yb-home-news-stack{display:grid;gap:11px;align-content:start}
.yb-home-news-item{display:grid;grid-template-columns:156px minmax(0,1fr);gap:15px;min-width:0;padding:11px;background:#fff;border:1px solid #e2e8f0;border-radius:14px;box-shadow:0 5px 18px rgba(15,23,42,.04)}
.yb-home-news-item-media{display:flex;width:156px;aspect-ratio:16/9;align-items:center;justify-content:center;overflow:hidden;border-radius:10px;background:#eaf2ff;color:#1f5fbf;text-decoration:none;font-size:13px;font-weight:800}
.yb-home-news-item .yb-news-tags{margin:1px 0 6px}
.yb-home-news-item h3{display:-webkit-box;margin:0;font-size:16px;line-height:1.5;overflow:hidden;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.yb-home-news-item .yb-card-meta{margin-top:7px}
.yb-news-row{grid-template-columns:210px minmax(0,1fr)}
.yb-news-thumb{width:100%;height:auto;min-height:0;aspect-ratio:16/9}
.yb-news-thumb img{object-position:center}
.yb-article-cover{margin:0 0 22px;overflow:hidden;border:1px solid #e2e8f0;border-radius:14px;background:#f8fafc}
.yb-article-cover img{display:block;width:100%;aspect-ratio:16/9;object-fit:cover}
.yb-article-cover figcaption{padding:9px 13px;color:#64748b;background:#f8fafc;border-top:1px solid #e2e8f0;font-size:12px;line-height:1.55}
@media(max-width:960px){.yb-home-news-layout{grid-template-columns:1fr}.yb-home-news-stack{grid-template-columns:repeat(2,minmax(0,1fr))}.yb-home-news-item{grid-template-columns:132px minmax(0,1fr)}.yb-home-news-item-media{width:132px}}
@media(max-width:720px){.yb-home-news-stack{grid-template-columns:1fr}.yb-home-news-item{grid-template-columns:128px minmax(0,1fr)}.yb-home-news-item-media{width:128px}.yb-home-news-lead h3{font-size:23px}}
@media(max-width:480px){.yb-home-news-item{grid-template-columns:110px minmax(0,1fr);gap:11px}.yb-home-news-item-media{width:110px}.yb-home-news-item .yb-news-tags{display:none}.yb-news-row{grid-template-columns:1fr}.yb-news-thumb{height:auto;aspect-ratio:16/9}.yb-article-cover{margin-left:-4px;margin-right:-4px}}