:root {
  --mtceus-primary: #0b3558;
  --mtceus-secondary: #123f66;
  --mtceus-accent: #f5b942;
  --mtceus-bg: #f6f8fb;
  --mtceus-text: #17202a;
  --mtceus-button-text: #ffffff;
}
body.mtceus-system-page { background: var(--mtceus-bg); color: var(--mtceus-text); }
body.mtceus-system-page .entry-title { display: none; }
.mtceus-site-shell, .mtceus-site-main { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.mtceus-site-header { background: #fff; border-bottom: 1px solid rgba(11,53,88,.13); position: sticky; top: 0; z-index: 30; box-shadow: 0 2px 10px rgba(11,53,88,.06); }
.mtceus-site-header-inner { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.mtceus-brand { display: flex; align-items: center; gap: 12px; color: var(--mtceus-primary); text-decoration: none; }
.mtceus-brand img { width: 54px; height: 54px; object-fit: contain; border-radius: 999px; }
.mtceus-brand strong { display: block; font-size: 20px; line-height: 1.1; }
.mtceus-brand small { display: block; color: #5e6b78; font-size: 12px; max-width: 340px; }
.mtceus-main-nav { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.mtceus-main-nav a { color: var(--mtceus-primary); text-decoration: none; font-weight: 700; font-size: 14px; }
.mtceus-main-nav a:hover { color: var(--mtceus-secondary); }
.mtceus-main-nav .mtceus-nav-button { background: var(--mtceus-primary); color: var(--mtceus-button-text); padding: 10px 14px; border-radius: 999px; }
.mtceus-site-main { padding: 34px 0 48px; }
.mtceus-site-footer { background: var(--mtceus-primary); color: #fff; padding: 34px 0; margin-top: 48px; }
.mtceus-site-footer a { color: #fff; }
.mtceus-footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 22px; }
.mtceus-social-links { display: flex; gap: 10px; flex-wrap: wrap; }
.mtceus-hero { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(280px, .65fr); gap: 26px; align-items: stretch; padding: 42px; border-radius: 28px; color: #fff; background: linear-gradient(135deg, var(--mtceus-primary), var(--mtceus-secondary)); box-shadow: 0 16px 40px rgba(11,53,88,.18); }
.mtceus-hero h1 { color: #fff; font-size: clamp(38px, 6vw, 72px); margin: 8px 0 12px; line-height: .95; }
.mtceus-hero-copy { font-size: 20px; max-width: 760px; color: rgba(255,255,255,.92); }
.mtceus-hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.mtceus-hero-panel { background: rgba(255,255,255,.11); border: 1px solid rgba(255,255,255,.22); border-radius: 22px; padding: 24px; }
.mtceus-hero-panel strong { display: block; font-size: 20px; margin-bottom: 12px; }
.mtceus-hero-panel li { margin: 10px 0; }
.mtceus-kicker { color: var(--mtceus-accent); text-transform: uppercase; letter-spacing: .08em; font-size: 12px; font-weight: 900; margin: 0 0 8px; }
.mtceus-section { margin-top: 40px; }
.mtceus-section-heading { max-width: 760px; margin-bottom: 18px; }
.mtceus-section-heading h2 { color: var(--mtceus-primary); font-size: clamp(28px, 4vw, 44px); margin: 0 0 8px; }
.mtceus-catalog { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 18px; }
.mtceus-course-card, .mtceus-player, .mtceus-notice, .mtceus-panel-public, .mtceus-auth-card, .mtceus-empty-state, .mtceus-dashboard article, .mtceus-feature-grid article { border: 1px solid rgba(11,53,88,.13); border-radius: 18px; background: #fff; box-shadow: 0 10px 28px rgba(11,53,88,.06); }
.mtceus-course-card { overflow: hidden; display: flex; flex-direction: column; }
.mtceus-course-image img { width: 100%; height: 180px; object-fit: cover; display: block; }
.mtceus-course-body, .mtceus-player, .mtceus-notice, .mtceus-panel-public, .mtceus-auth-card, .mtceus-empty-state, .mtceus-dashboard article, .mtceus-feature-grid article { padding: 22px; }
.mtceus-course-card h3 { color: var(--mtceus-primary); margin: 0 0 10px; font-size: 22px; }
.mtceus-course-meta { display: flex; gap: 8px; flex-wrap: wrap; margin: 0 0 12px; }
.mtceus-course-meta span { background: rgba(11,53,88,.08); color: var(--mtceus-primary); border-radius: 999px; padding: 5px 10px; font-size: 12px; font-weight: 800; }
.mtceus-button { display: inline-block; padding: 11px 16px; border-radius: 999px; text-decoration: none; background: var(--mtceus-primary); color: var(--mtceus-button-text); font-weight: 800; border: 2px solid var(--mtceus-primary); }
.mtceus-button:hover { color: var(--mtceus-button-text); opacity: .92; }
.mtceus-button-secondary { background: transparent; color: #fff; border-color: rgba(255,255,255,.75); }
.mtceus-button-large { padding: 14px 20px; }
.mtceus-feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px; margin-top: 28px; }
.mtceus-feature-grid h3 { color: var(--mtceus-primary); margin-top: 0; }
.mtceus-auth-card .login-username input, .mtceus-auth-card .login-password input { width: 100%; max-width: 420px; padding: 10px; border: 1px solid #ccd0d4; border-radius: 10px; }
.mtceus-auth-card .button-primary { background: var(--mtceus-primary); border-color: var(--mtceus-primary); border-radius: 999px; padding: 8px 18px; }
@media (max-width: 860px) {
  .mtceus-site-header-inner { align-items: flex-start; flex-direction: column; padding: 14px 0; }
  .mtceus-main-nav { width: 100%; }
  .mtceus-hero { grid-template-columns: 1fr; padding: 28px; }
}

html, body.mtceus-plugin-template { margin: 0; padding: 0; min-height: 100%; }
body.mtceus-plugin-template { background: var(--mtceus-bg); color: var(--mtceus-text); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }
body.mtceus-plugin-template * { box-sizing: border-box; }
body.mtceus-plugin-template .mtceus-plugin-site { min-height: 100vh; display: flex; flex-direction: column; background: var(--mtceus-bg); }
body.mtceus-plugin-template .mtceus-site-main { flex: 1; }
body.mtceus-plugin-template h1, body.mtceus-plugin-template h2, body.mtceus-plugin-template h3 { letter-spacing: -.02em; }
.mtceus-page-hero { padding: 42px; border-radius: 28px; color: #fff; background: linear-gradient(135deg, var(--mtceus-primary), var(--mtceus-secondary)); box-shadow: 0 16px 40px rgba(11,53,88,.18); }
.mtceus-page-hero h1 { color: #fff; font-size: clamp(34px, 5vw, 58px); margin: 8px 0 10px; line-height: 1; }
.mtceus-page-hero p { color: rgba(255,255,255,.92); max-width: 840px; font-size: 18px; }