:root{--bg-base:#eef5ff;--bg-grid:#2563eb0f;--surface:#ffffffe0;--surface-strong:#fff;--text-main:#0f172a;--text-muted:#475569;--line:#94a3b859;--brand-a:#2563eb;--brand-b:#06b6d4;--ok:#059669;--danger:#b91c1c;--shadow-lg:0 28px 60px #0f172a1f;--shadow-md:0 14px 32px #0f172a14;--radius-xl:24px;--radius-lg:16px;--radius-md:12px;--maxw:1160px}*{box-sizing:border-box}html,body{min-height:100%;margin:0}body{color:var(--text-main);background:radial-gradient(circle at 18% 14%, #38bdf842, transparent 36%), radial-gradient(circle at 80% 2%, #0ea5e92e, transparent 30%), linear-gradient(165deg, #f7fbff 0%, var(--bg-base) 100%);font-family:Manrope,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif}.site-shell{width:min(var(--maxw), 100% - 40px);margin:24px auto 40px}.site-header{z-index:20;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);box-shadow:var(--shadow-md);justify-content:space-between;align-items:center;gap:18px;padding:12px 14px;display:flex;position:sticky;top:12px}.brand{color:inherit;align-items:center;gap:10px;text-decoration:none;display:flex}.brand-mark{background:linear-gradient(125deg, var(--brand-a), var(--brand-b));border-radius:10px;width:34px;height:34px;box-shadow:inset 0 0 0 1px #ffffff6b}.brand-text{flex-direction:column;line-height:1.1;display:flex}.brand-title{font-size:14px;font-weight:800}.brand-sub{color:var(--text-muted);font-size:11px}.nav{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.nav-link{color:var(--text-muted);border-radius:10px;padding:8px 12px;font-size:13px;font-weight:700;text-decoration:none;transition:all .15s}.nav-link:hover{color:#1d4ed8;background:#dbeafea8}.nav-link.is-active{color:#1d4ed8;background:#dbeafed1}.lang-switch{color:#1d4ed8;background:#eff6ffe6;border:1px solid #60a5fa73;border-radius:999px;justify-content:center;align-items:center;min-width:88px;min-height:38px;font-size:12px;font-weight:800;text-decoration:none;display:inline-flex}.hero{border-radius:var(--radius-xl);border:1px solid var(--line);box-shadow:var(--shadow-lg);background:linear-gradient(145deg,#fffffff0,#f1f5f9d6);margin-top:18px;padding:38px 34px}.kicker{letter-spacing:.11em;text-transform:uppercase;color:#0369a1;margin:0;font-size:12px;font-weight:800}.hero h1{letter-spacing:-.02em;margin:10px 0 0;font-size:clamp(30px,5vw,48px);line-height:1.12}.hero p{max-width:760px;color:var(--text-muted);margin:14px 0 0;line-height:1.7}.hero-actions{flex-wrap:wrap;gap:10px;margin-top:20px;display:flex}.btn{border:1px solid #0000;border-radius:12px;justify-content:center;align-items:center;min-height:42px;padding:0 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.15s}.card:hover{transform:translateY(-2px);box-shadow:0 14px 24px #2563eb1a}.card h3{margin:0;font-size:16px}.card p{color:var(--text-muted);margin:8px 0 0;font-size:14px;line-height:1.65}.list-block{gap:10px;margin-top:14px;display:grid}.list-item{background:#fff;border:1px solid #94a3b842;border-radius:12px;padding:12px 14px;transition:border-color .15s,box-shadow .15s}.list-item:hover{border-color:#60a5fa80;box-shadow:0 10px 18px #0ea5e914}.list-item strong{font-size:15px;display:block}.list-item span{color:var(--text-muted);margin-top:5px;line-height:1.65;display:block}.channel-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:12px;display:grid}.channel-card{background:#fff;border:1px solid #94a3b842;border-radius:14px;padding:14px}.channel-card.is-featured{border-color:#2563eb80;box-shadow:0 12px 28px #2563eb24}.channel-top{justify-content:space-between;align-items:center;gap:12px;display:flex}.channel-top strong{font-size:16px}.channel-top span{color:#1d4ed8;font-size:12px;font-weight:700}.channel-date{color:#475569;margin:8px 0 0;font-size:12px}.channel-hint{color:#334155;margin:8px 0 0;font-size:14px;line-height:1.6}.channel-btn{width:100%;margin-top:12px}.plain-list{color:var(--text-muted);margin:12px 0 0;padding-left:20px}.plain-list li{margin:6px 0;line-height:1.65}.timeline{gap:12px;margin-top:12px;display:grid}.timeline-item{background:#fff;border:1px solid #94a3b847;border-radius:14px;padding:14px}.timeline-top{justify-content:space-between;align-items:baseline;gap:12px;display:flex}.timeline-top strong{font-size:16px}.timeline-top span{color:#475569;font-size:13px}.footer{text-align:center;color:#64748b;margin:16px 0 0;font-size:13px}@media (width<=980px){.card-grid,.channel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=760px){.site-shell{width:min(var(--maxw), 100% - 24px);margin-top:12px}.site-header{flex-direction:column;align-items:flex-start;position:static}.hero{padding:26px 20px}.section{padding:16px}.card-grid,.channel-grid{grid-template-columns:1fr}}