:root{--bg: #f5f7fa;--surface: #ffffff;--surface-soft: #eef3f8;--text: #182436;--text-soft: #5d6d80;--heading: #10233f;--border: #d9e2ec;--primary: #1e4f8a;--primary-hover: #173f70;--accent: #c94b4b;--accent-soft: #fff0f0;--success: #247c5a;--warning: #9a6813;--danger: #b73e3e;--info: #246aa3;--max-width: 1180px;--content-width: 760px;--radius-sm: 8px;--radius-md: 14px;--radius-lg: 22px;--shadow: 0 14px 35px rgba(31, 55, 82, .08);--header-height: 70px}*,*:before,*:after{box-sizing:border-box}body{margin:0;padding:0;font-family:Inter,PingFang SC,Microsoft YaHei,Noto Sans CJK SC,system-ui,-apple-system,BlinkMacSystemFont,sans-serif;background-color:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased}h1,h2,h3,h4,h5,h6{color:var(--heading);margin-top:0;line-height:1.3}a{color:var(--primary);text-decoration:none;transition:color .2s}a:hover{color:var(--primary-hover)}img{max-width:100%;height:auto;display:block}.container{max-width:var(--max-width);margin:0 auto;padding:0 20px}.content-container{max-width:var(--content-width);margin:0 auto;padding:0 20px}.btn{display:inline-block;padding:10px 24px;background-color:var(--primary);color:#fff;border-radius:var(--radius-sm);font-weight:600;text-align:center;transition:background-color .2s,transform .1s;cursor:pointer;border:none}.btn:hover{background-color:var(--primary-hover);color:#fff}.btn:active{transform:translateY(1px)}.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.btn-accent{background-color:var(--accent)}.btn-accent:hover{background-color:#a83d3d}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}.skip-link{position:absolute;top:-40px;left:0;background:var(--primary);color:#fff;padding:8px;z-index:100}.skip-link:focus{top:0}@media(prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}.site-header[data-astro-cid-3ef6ksr2]{background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:50}.header-container[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;justify-content:space-between;height:var(--header-height)}.logo[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:8px;font-weight:700;color:var(--heading);font-size:1.125rem}.main-nav[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:24px}.main-nav[data-astro-cid-3ef6ksr2] ul[data-astro-cid-3ef6ksr2]{display:flex;list-style:none;margin:0;padding:0;gap:20px;align-items:center}.main-nav[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]{color:var(--text-soft);font-weight:500}.main-nav[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]:hover,.main-nav[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2][aria-current=page]{color:var(--primary)}.mobile-menu-toggle[data-astro-cid-3ef6ksr2]{display:none;background:none;border:none;cursor:pointer;color:var(--text)}@media(max-width:900px){.mobile-menu-toggle[data-astro-cid-3ef6ksr2]{display:block}.main-nav[data-astro-cid-3ef6ksr2]{display:none;position:absolute;top:var(--header-height);left:0;right:0;background:var(--surface);flex-direction:column;padding:20px;border-bottom:1px solid var(--border);box-shadow:var(--shadow)}.main-nav[data-astro-cid-3ef6ksr2].is-open{display:flex}.main-nav[data-astro-cid-3ef6ksr2] ul[data-astro-cid-3ef6ksr2]{flex-direction:column;width:100%}.main-nav[data-astro-cid-3ef6ksr2] ul[data-astro-cid-3ef6ksr2] li[data-astro-cid-3ef6ksr2]{width:100%;text-align:center;padding:10px 0;border-bottom:1px solid var(--border)}.header-btn[data-astro-cid-3ef6ksr2]{margin-top:16px;width:100%}}.site-footer[data-astro-cid-sz7xmlte]{background:var(--surface);border-top:1px solid var(--border);padding:60px 0 30px;margin-top:60px}.footer-grid[data-astro-cid-sz7xmlte]{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:40px;margin-bottom:40px}.footer-col[data-astro-cid-sz7xmlte] h3[data-astro-cid-sz7xmlte]{font-size:1.1rem;margin-bottom:20px;color:var(--heading)}.footer-col[data-astro-cid-sz7xmlte] ul[data-astro-cid-sz7xmlte]{list-style:none;padding:0;margin:0}.footer-col[data-astro-cid-sz7xmlte] li[data-astro-cid-sz7xmlte]{margin-bottom:12px}.footer-col[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]{color:var(--text-soft)}.footer-col[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]:hover{color:var(--primary)}.footer-bottom[data-astro-cid-sz7xmlte]{border-top:1px solid var(--border);padding-top:30px;font-size:.875rem;color:var(--text-soft);text-align:center}.footer-bottom[data-astro-cid-sz7xmlte] p[data-astro-cid-sz7xmlte]{margin:8px 0}.disclaimer-text[data-astro-cid-sz7xmlte]{font-size:.8rem;opacity:.8}