:root{--brand: #1d6fb8;--brand-dark: #155a96;--brand-deep: #0f3d66;--brand-light: #d6ebff;--brand-soft: #eef6ff;--accent: #f59e0b;--accent-dark: #d97706;--text: #1f2937;--text-muted: #5b6b7c;--bg: #ffffff;--bg-soft: #f5f9fd;--line: #e2e8f0;--shadow-sm: 0 1px 2px rgba(15,23,42,.04);--shadow-md: 0 4px 16px rgba(15,23,42,.08);--shadow-lg: 0 16px 40px rgba(29,111,184,.16);--radius: 18px;--radius-sm: 10px;--font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Source Han Sans SC", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;--font-serif: "Songti SC", "Noto Serif CJK SC", "STSong", "SimSun", serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:var(--font-sans);color:var(--text);line-height:1.7;background:var(--bg);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}img{max-width:100%;height:auto;display:block}a{color:var(--brand)}.container{max-width:1120px;margin:0 auto;padding:0 20px}h1,h2,h3{line-height:1.25;font-weight:700;color:var(--brand-deep);letter-spacing:.01em}h1{font-size:clamp(2rem,4.5vw,2.9rem);margin:0 0 10px}h2{font-size:clamp(1.5rem,3vw,1.95rem);margin:0 0 16px}h3{font-size:1.18rem}.lead{color:var(--brand)}.btn{display:inline-block;padding:13px 28px;border-radius:999px;text-decoration:none;font-weight:600;font-size:1rem;line-height:1;transition:transform .18s cubic-bezier(.2,.7,.3,1.2),box-shadow .18s ease,background .18s ease;cursor:pointer}.btn:hover{transform:translateY(-2px)}.btn:active{transform:translateY(0)}.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 18px #f59e0b59}.btn-primary:hover{background:var(--accent-dark);box-shadow:0 10px 24px #f59e0b66}.btn-secondary{background:var(--brand);color:#fff;box-shadow:0 6px 18px #1d6fb84d}.btn-secondary:hover{background:var(--brand-dark)}.btn-ghost{background:transparent;color:var(--brand);border:1.5px solid var(--brand)}.btn-ghost:hover{background:var(--brand-soft)}.badge-highlight{display:inline-block;background:var(--brand);color:#fff;padding:8px 18px;border-radius:999px;font-weight:700;font-size:.92rem;letter-spacing:.02em}.section-title{display:flex;align-items:center;gap:14px}.section-title h2{margin:0;flex-shrink:0}.section-title:after{content:"";flex:1;height:1px;background:var(--line)}.grid{display:grid;grid-template-columns:1fr;gap:24px}@media(min-width:640px){.grid.cols-2{grid-template-columns:repeat(2,1fr)}}@media(min-width:900px){.grid.cols-3{grid-template-columns:repeat(3,1fr)}}:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:4px}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}.site-header[data-astro-cid-5hce7sga]{position:sticky;top:0;z-index:50;background:#ffffffeb;backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}.header-inner[data-astro-cid-5hce7sga]{display:flex;align-items:center;justify-content:space-between;padding-top:12px;padding-bottom:12px}.brand[data-astro-cid-5hce7sga]{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.brand-logo[data-astro-cid-5hce7sga]{display:inline-flex;flex-shrink:0}.brand-item[data-astro-cid-5hce7sga]{font-size:1.1rem;font-weight:700;color:var(--brand-deep);text-decoration:none;white-space:nowrap}a[data-astro-cid-5hce7sga].brand-item:hover{color:var(--brand)}.brand-sep[data-astro-cid-5hce7sga]{color:#d1d5db;font-weight:400}.main-nav[data-astro-cid-5hce7sga]{display:flex;gap:4px}.nav-link[data-astro-cid-5hce7sga]{text-decoration:none;color:var(--text-muted);font-weight:500;padding:8px 14px;border-radius:999px;transition:background .15s,color .15s}.nav-link[data-astro-cid-5hce7sga]:hover{color:var(--brand);background:var(--brand-soft)}.nav-link[data-astro-cid-5hce7sga].active{color:var(--brand);background:var(--brand-soft);font-weight:700}.site-footer[data-astro-cid-5hce7sga]{padding:40px 16px 48px;margin-top:64px;color:var(--text-muted);font-size:.9rem;border-top:1px solid var(--line);background:var(--bg-soft)}.site-footer[data-astro-cid-5hce7sga] p[data-astro-cid-5hce7sga]{margin:4px 0;text-align:center}