:root{--primary:#2c3e50;--accent:#3498db;--secondary:#FF6B6B;--dark:#2D3436;--light:#F9F9F9;--header-height:72px}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:#1a1a1a;line-height:1.6;background:#fff}
.team body,.body.team,body.team{background:var(--light);color:var(--dark)}
.body.insights,body.insights{--accent:#07c160;background:linear-gradient(180deg,#f7fff9 0%,#ffffff 30%)}
.navbar{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border-bottom:1px solid #eee;background:#fff;position:sticky;top:0;z-index:10}
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000}
.site-header .navbar{position:static;top:auto}
main{padding-top:var(--header-height)}
@media (max-width:768px){:root{--header-height:60px}}
.brand{display:flex;gap:8px;align-items:center;text-decoration:none;color:inherit}
.brand .logo{width:28px;height:28px}
.nav-links a{margin-left:12px;text-decoration:none;color:var(--primary)}
.nav-links a{position:relative;display:inline-block;padding:.45rem .8rem;border-radius:9999px;transition:all .25s;line-height:1.15}
.nav-links a.active{color:#fff !important;background:linear-gradient(135deg,var(--accent),#4ea1ff) !important;box-shadow:0 8px 22px rgba(33,180,255,.35),0 2px 8px rgba(7,193,96,.25);transform:translateY(-1px);text-shadow:0 1px 2px rgba(0,0,0,.18);padding:.5rem 1rem}
.nav-links a.active::after{content:'';position:absolute;left:4px;right:4px;bottom:-4px;height:3px;border-radius:3px;background:linear-gradient(90deg,#4ea1ff,var(--accent));filter:blur(.25px)}
.container{max-width:1040px;margin:0 auto;padding:24px 16px}
.card{padding:16px;border:1px solid #eee;border-radius:12px;box-shadow:0 6px 20px rgba(0,0,0,.05)}
.card:hover{transform:translateY(0)}
.post-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px}
.post-item h3{margin:.25rem 0}
.site-footer{border-top:1px solid #eee;margin-top:24px;padding:16px 12px;color:#fff;background:var(--primary);display:grid;grid-template-columns:minmax(260px,1fr) minmax(280px,1fr) 1fr;gap:1rem}

/* Shared contact styles (footer, team page) */
.contact-info{display:grid;gap:.8rem;margin-top:1.5rem}
.contact-link{display:flex;align-items:center;padding:.8rem 1.2rem;background:rgba(78,205,196,.1);border-radius:.8rem;text-decoration:none;color:var(--dark);transition:all .3s ease}
.contact-link:hover{background:rgba(78,205,196,.2);transform:translateX(5px)}
.icon-wrapper{width:2rem;height:2rem;background:var(--accent);border-radius:50%;display:flex;align-items:center;justify-content:center;margin-right:1rem;color:#fff;transition:background .3s ease}
.contact-link:hover .icon-wrapper{background:var(--secondary)}
.contact-text{font-weight:500;letter-spacing:.5px}

/* WeChat hover QR (compact) */
.wechat-simple{position:relative;display:flex;align-items:center;padding:.8rem;background:rgba(7,193,96,.08);border-radius:.6rem;transition:background .3s}
.wechat-simple:hover{background:rgba(7,193,96,.15)}
.wechat-info{position:relative;display:flex;align-items:center;gap:.5rem}
.qrcode-hover{position:absolute;left:105%;top:50%;transform:translateY(-50%) scale(0);width:100px;height:100px;border-radius:8px;box-shadow:0 4px 12px rgba(0,0,0,.1);opacity:0;transition:all .3s cubic-bezier(.18,.89,.32,1.28);z-index:10}
.wechat-simple:hover .qrcode-hover{transform:translateY(-50%) scale(1);opacity:1}
@media (max-width:480px){
  .contact-link{padding:.6rem 1rem}
  .qrcode-hover{left:auto;right:0;top:100%;transform:translateY(8px) scale(0)}
  .wechat-simple:hover .qrcode-hover{transform:translateY(0) scale(1)}
}

/* Footer variant on dark background */
.site-footer .contact-link,.site-footer .wechat-simple{background:rgba(255,255,255,.08);color:rgba(255,255,255,.9);display:flex;align-items:center;gap:.6rem;min-height:48px;padding:.6rem .8rem;border-radius:10px;margin:0}
.site-footer .contact-link:hover{background:rgba(255,255,255,.15)}
.site-footer .contact-text,.site-footer .wechat-id{color:rgba(255,255,255,.9)}
.site-footer .icon-wrapper{background:#07c160}
.contact-link .icon-wrapper,.wechat-simple .icon-wrapper{background:#07c160 !important}
.site-footer .footer-links h4{color:#fff;margin:0 0 .6rem;font-size:1rem;line-height:1.2}
.site-footer .social-title{color:#fff;margin:0 0 .6rem;padding-left:0;font-size:1rem;line-height:1.2;font-weight:600}
.site-footer .social-title::before{display:none}
.site-footer .social-grid{gap:.6rem;margin-top:.6rem;grid-auto-rows:1fr}
.site-footer .social-card{padding:.6rem .8rem;border-radius:10px}
.site-footer .social-card,.site-footer .social-card .social-link{display:flex;align-items:center;gap:.6rem}
.site-footer .social-card .social-link{color:inherit;text-decoration:none}
.site-footer .social-card{min-height:48px}
.site-footer .social-icon{width:32px;height:32px}
.site-footer .social-info{display:flex;align-items:center;gap:.5rem;line-height:1}
/* 媒体名称与账号名称区分颜色，提高对比度 */
.site-footer .social-name{display:inline;margin:0;color:#3498db;font-weight:600}
.site-footer .xhs-card .social-name{color:#ff244a}
.site-footer .social-id{display:inline;margin:0;color:#000000;font-weight:700}

/* WeChat official account unified brand color across pages */
.wechat-card .social-icon{background:#07c160 !important}
.wechat-card .social-name{color:#07c160 !important}

/* 保证联系方式在同一行显示 */
.site-footer .contact-link .contact-text{white-space:nowrap}
.site-footer .contact-info{margin-top:0;margin-bottom:0;gap:3px}
.site-footer .qrcode-img{width:120px;height:120px}

/* Page hero (generic) */
.page-hero{position:relative;overflow:hidden;padding:96px 16px 64px;margin:0 0 24px;background:linear-gradient(135deg,rgba(52,152,219,.16),rgba(7,193,96,.18));}
.page-hero .container{max-width:1040px;margin:0 auto}
.page-hero h1{margin:0 0 8px;font-size:2.6rem;color:var(--primary)}
.page-hero p.sub{margin:0 0 16px;color:#555}
.page-hero::before{content:"";position:absolute;inset:-20%;background:radial-gradient(620px 300px at 12% 20%,rgba(7,193,96,.18),transparent 60%),radial-gradient(520px 320px at 88% 12%,rgba(52,152,219,.18),transparent 60%);animation:heroPulse 8s ease-in-out infinite alternate;}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 0%,rgba(255,255,255,.6) 98%,#fff 100%);}
.hero-decor{position:absolute;inset:0;pointer-events:none}
.hero-decor span{position:absolute;display:block;width:120px;height:120px;border-radius:50%;background:radial-gradient(circle at 30% 30%,rgba(255,255,255,.8),rgba(255,255,255,.2));box-shadow:0 8px 24px rgba(7,193,96,.15);filter:blur(.5px);opacity:.9;animation:float 12s ease-in-out infinite}
.hero-decor .b1{top:10%;left:5%}
.hero-decor .b2{top:20%;right:10%;width:160px;height:160px;animation-duration:14s}
.hero-decor .b3{bottom:10%;left:20%;width:90px;height:90px;animation-duration:10s}
.hero-decor .b4{bottom:15%;right:20%;width:110px;height:110px;animation-duration:16s}
.hero-wave{position:absolute;left:0;right:0;bottom:-1px;display:block;z-index:1}

@keyframes float{0%{transform:translateY(0)}50%{transform:translateY(-8px)}100%{transform:translateY(0)}}
@keyframes heroPulse{0%{opacity:.9}100%{opacity:1}}

.text-gradient{background:linear-gradient(45deg,var(--accent),#4ea1ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.chip-row{display:flex;flex-wrap:wrap;gap:.5rem}
.chip{display:inline-flex;align-items:center;gap:.4rem;padding:.35rem .7rem;border-radius:999px;background:rgba(0,0,0,.05);color:#333;font-size:.9rem;text-decoration:none;transition:all .2s}
.chip:hover{background:var(--accent);color:#fff;transform:translateY(-2px)}
.chip-icon{width:18px;height:18px;display:inline-block}
.chip.active,.chip:active{background:var(--accent);color:#fff}
.hidden{display:none !important}

/* Insights grid */
.insights-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;padding:16px}
.insight-card{background:#fff;border-radius:16px;overflow:hidden;box-shadow:0 8px 24px rgba(0,0,0,.08);transition:transform .25s,box-shadow .25s}
.insight-card:hover{transform:translateY(-6px);box-shadow:0 12px 32px rgba(0,0,0,.12)}
.insight-cover{aspect-ratio:16/9 !important;object-fit:cover;width:100%;display:block;object-position:center}
.insight-cover.image-portrait,.insight-cover.image-square{object-fit:contain}
.insight-content{padding:14px 16px}
.insight-title{margin:.25rem 0;font-size:1.1rem;color:#222;text-decoration:none;display:block}
.insight-desc{margin:.25rem 0 8px;color:#555;font-size:.95rem}
.insight-meta{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem;color:#777;font-size:.85rem}
.tag{display:inline-block;padding:.15rem .5rem;border-radius:999px;background:rgba(0,0,0,.05);font-size:.8rem}
.tag.accent{background:rgba(7,193,96,.12);color:#0b8f52}

@media (max-width:768px){
  .page-hero h1{font-size:1.8rem}
  .insights-grid{gap:14px}
}

/* Hero variants */
.hero.hero--compact{min-height:clamp(180px,25vh,360px)}
.insight-title{margin:.25rem 0 4px;font-size:1.12rem;color:#222;text-decoration:none;display:block}

/* Article detail content */
.article-content{font-size:1rem;line-height:1.8;color:#1a1a1a}
.article-content h1{font-size:1.8rem;margin:1.2rem 0 .6rem}
.article-content h2{font-size:1.4rem;margin:1rem 0 .5rem}
.article-content h3{font-size:1.2rem;margin:.8rem 0 .4rem}
.article-content p{margin:.8rem 0}
.article-content img{max-width:100%;height:auto;display:block;margin:1rem auto;border-radius:6px}
.article-content blockquote{margin:1rem 0;padding:.6rem .8rem;background:#f6f8fa;border-left:4px solid var(--accent);border-radius:4px}

/* Ensure article card does not shift on hover */
article.card{transition:none}
article.card:hover{transform:none !important}