/* XXYun (星星云) xxyun.blog 深度智库科技杂志主题 (Editorial Purple & Royal Violet) */
:root {
  --blog-bg: #0C0A1D;
  --blog-card: #151230;
  --blog-border: rgba(168, 85, 247, 0.25);
  --purple-brand: #9333EA;
  --violet-glow: #A855F7;
  --magenta: #C026D3;
  --editorial-gold: #FCD34D;
  --text-pure: #FFFFFF;
  --text-body: #E2E8F0;
  --text-sub: #94A3B8;
  --grad-mag: linear-gradient(135deg, #A855F7 0%, #9333EA 50%, #6366F1 100%);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { background: var(--blog-bg); color: var(--text-body); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Georgia", "PingFang SC", serif; line-height: 1.8; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* Editorial Masthead */
.mag-masthead { border-bottom: 1px solid var(--blog-border); padding: 12px 0; background: rgba(12, 10, 29, 0.95); font-size: 12px; color: var(--text-sub); display: flex; justify-content: space-between; align-items: center; }
.mag-nav { position: sticky; top: 0; z-index: 1000; backdrop-filter: blur(20px); background: rgba(12, 10, 29, 0.92); border-bottom: 1px solid var(--blog-border); height: 72px; display: flex; align-items: center; }
.mag-nav-inner { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.mag-brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: #FFF; font-size: 21px; font-weight: 900; letter-spacing: -0.5px; }
.mag-brand img { width: 40px; height: 40px; border-radius: 8px; filter: drop-shadow(0 0 10px rgba(168,85,247,0.5)); }
.mag-brand span { color: var(--violet-glow); }
.mag-links { display: flex; gap: 24px; list-style: none; font-size: 14px; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
.mag-links a { color: var(--text-sub); text-decoration: none; font-weight: 600; transition: color 0.2s; }
.mag-links a:hover, .mag-links a.active { color: var(--violet-glow); }
.btn-mag { display: inline-flex; align-items: center; gap: 8px; padding: 10px 22px; border-radius: 6px; font-weight: 700; text-decoration: none; cursor: pointer; border: none; font-size: 14px; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; transition: all 0.25s; }
.btn-mag-violet { background: var(--grad-mag); color: #FFF; box-shadow: 0 4px 18px rgba(168,85,247,0.35); }
.btn-mag-violet:hover { transform: translateY(-2px); box-shadow: 0 8px 26px rgba(168,85,247,0.6); }

/* Billboard Hero Asymmetric 2-Col */
.mag-billboard { padding: 40px 0 50px; }
.billboard-grid { display: grid; grid-template-columns: 1.6fr 1fr; gap: 32px; align-items: stretch; }
.cover-story-card { background: var(--blog-card); border: 1px solid var(--blog-border); border-radius: 16px; padding: 36px; display: flex; flex-direction: column; justify-content: space-between; position: relative; overflow: hidden; }
.cover-story-card::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: var(--grad-mag); }
.tag-badge { display: inline-block; font-size: 12px; font-weight: 800; color: var(--editorial-gold); background: rgba(252,211,77,0.15); border: 1px solid rgba(252,211,77,0.3); padding: 4px 12px; border-radius: 4px; margin-bottom: 18px; font-family: -apple-system, sans-serif; }
.cover-title { font-size: 32px; font-weight: 900; color: #FFF; line-height: 1.3; margin-bottom: 18px; }
.cover-excerpt { font-size: 15.5px; color: var(--text-body); line-height: 1.8; margin-bottom: 24px; }
.cover-author { font-size: 13px; color: var(--text-sub); display: flex; align-items: center; gap: 12px; font-family: -apple-system, sans-serif; }

/* Trending Column */
.trending-side { background: var(--blog-card); border: 1px solid var(--blog-border); border-radius: 16px; padding: 30px; display: flex; flex-direction: column; justify-content: space-between; }
.trending-title { font-size: 16px; font-weight: 900; color: #FFF; border-bottom: 1px solid rgba(255,255,255,0.08); padding-bottom: 12px; margin-bottom: 16px; font-family: -apple-system, sans-serif; }
.trending-item { display: flex; gap: 16px; margin-bottom: 16px; padding-bottom: 16px; border-bottom: 1px solid rgba(255,255,255,0.04); }
.trending-num { font-size: 26px; font-weight: 900; color: var(--violet-glow); font-family: -apple-system, sans-serif; line-height: 1; }
.trending-h { font-size: 14.5px; font-weight: 700; color: #FFF; line-height: 1.5; margin-bottom: 4px; }
.trending-h a { color: #FFF; text-decoration: none; }
.trending-h a:hover { color: var(--violet-glow); }
.trending-date { font-size: 12px; color: var(--text-sub); font-family: -apple-system, sans-serif; }

/* Jump Pills */
.mag-jump-bar { display: flex; gap: 10px; margin: 30px 0 10px; flex-wrap: wrap; }
.mag-jump-pill { font-size: 13px; color: var(--text-body); background: rgba(168,85,247,0.1); border: 1px solid var(--blog-border); padding: 7px 16px; border-radius: 4px; text-decoration: none; font-family: -apple-system, sans-serif; font-weight: 600; transition: all 0.2s; }
.mag-jump-pill:hover { background: var(--purple-brand); color: #FFF; }

/* 2-Column Main Content & Sticky Sidebar */
.mag-content-split { display: grid; grid-template-columns: 2fr 1fr; gap: 36px; margin: 40px 0 70px; }
.mag-article-card { background: var(--blog-card); border: 1px solid var(--blog-border); border-radius: 14px; padding: 32px; margin-bottom: 24px; transition: all 0.25s; }
.mag-article-card:hover { border-color: var(--violet-glow); transform: translateY(-3px); }
.mag-article-card h2 { font-size: 22px; color: #FFF; font-weight: 800; margin-bottom: 12px; line-height: 1.4; }
.mag-article-card p { font-size: 15px; color: var(--text-body); line-height: 1.8; margin-bottom: 16px; }

/* Sidebar */
.sticky-sidebar { position: sticky; top: 96px; display: flex; flex-direction: column; gap: 24px; }
.sidebar-box { background: var(--blog-card); border: 1px solid var(--blog-border); border-radius: 12px; padding: 24px; font-family: -apple-system, sans-serif; }
.sidebar-h { font-size: 15px; font-weight: 900; color: #FFF; border-bottom: 1px solid rgba(255,255,255,0.08); padding-bottom: 10px; margin-bottom: 14px; }

/* Ecosystem Bar */
.site-ecosystem-bar { background: rgba(255,255,255,0.02); border: 1px solid var(--blog-border); border-radius: 12px; padding: 20px 24px; margin-bottom: 30px; font-family: -apple-system, sans-serif; }
.ecosystem-title { font-size: 13px; font-weight: 800; color: var(--violet-glow); margin-bottom: 12px; }
.ecosystem-tags { display: flex; flex-wrap: wrap; gap: 10px; }
.footer-link { font-size: 13px; color: var(--text-body); background: rgba(168,85,247,0.1); border: 1px solid var(--blog-border); padding: 6px 14px; border-radius: 4px; text-decoration: none; }
.footer-link:hover, .footer-link.current { background: var(--purple-brand); color: #FFF; }

/* Quick Jump Dock */
.quick-jump-dock { position: fixed; right: 28px; bottom: 32px; z-index: 9999; display: flex; flex-direction: column; gap: 10px; opacity: 0; pointer-events: none; transition: all 0.3s; font-family: -apple-system, sans-serif; }
.quick-jump-dock.visible { opacity: 1; pointer-events: auto; }
.jump-action-btn { display: flex; align-items: center; gap: 6px; padding: 10px 16px; border-radius: 6px; font-size: 13px; font-weight: 700; text-decoration: none; }
.jump-top { background: #151230; border: 1px solid var(--blog-border); color: #FFF; }
.jump-official { background: var(--grad-mag); color: #FFF; }

/* Footer */
.mag-footer { background: #070611; border-top: 1px solid var(--blog-border); padding: 50px 0 24px; margin-top: 60px; font-family: -apple-system, sans-serif; font-size: 13px; }
.mag-footer-bottom { text-align: center; border-top: 1px solid rgba(255,255,255,0.06); padding-top: 20px; color: var(--text-sub); }

@media (max-width: 900px) {
  .billboard-grid, .mag-content-split { grid-template-columns: 1fr; }
  .mag-links { display: none; }
}