:root{--primary:#1b3a5c;--primary-light:#2d5f8a;--primary-dark:#0f2340;--accent:#e8a800;--accent-light:#f5c842;--accent-dark:#c48f00;--bg:#f4f7fb;--surface:#fff;--text:#1b3a5c;--text-secondary:#4a6a8a;--text-muted:#8aaac8;--border:#c8d9ec;--divider:#e4edf6;--radius-sm:8px;--radius-md:12px;--radius-lg:16px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,sans-serif;line-height:1.6}a{color:var(--primary-light);text-decoration:none}a:hover{text-decoration:underline}.page{flex-direction:column;min-height:100vh;display:flex}.site-header{background:var(--surface);border-bottom:1px solid var(--border);z-index:10;position:sticky;top:0}.site-header-inner{align-items:center;gap:16px;max-width:860px;height:60px;margin:0 auto;padding:0 24px;display:flex}.brand{align-items:baseline;gap:4px;display:flex}.brand-name{color:var(--primary);letter-spacing:-.5px;font-size:20px;font-weight:800}.brand-separator{color:var(--text-muted);margin:0 2px;font-size:16px;font-weight:300}.brand-sub{color:var(--text-muted);letter-spacing:.4px;font-size:14px;font-weight:600}.back-btn{color:var(--primary);cursor:pointer;border-radius:var(--radius-sm);background:0 0;border:none;align-items:center;gap:4px;margin-right:4px;padding:6px 10px 6px 6px;font-size:14px;font-weight:600;text-decoration:none;transition:background .15s;display:flex}.back-btn:hover{background:var(--divider);text-decoration:none}.back-btn-arrow{margin-top:-1px;font-size:20px;line-height:1}.container{flex:1;width:100%;max-width:860px;margin:0 auto;padding:32px 24px 64px}.home-hero{text-align:center;padding:48px 24px 40px}.home-hero-icon-wrap{background:var(--primary);border-radius:24px;justify-content:center;align-items:center;width:72px;height:72px;margin:0 auto 20px;display:flex}.home-hero-icon{font-size:34px}.home-hero h1{color:var(--primary);letter-spacing:-.5px;margin-bottom:10px;font-size:30px;font-weight:800}.home-hero p{color:var(--text-secondary);max-width:400px;margin:0 auto;font-size:15px}.doc-grid{grid-template-columns:1fr 1fr;gap:16px;margin-top:8px;display:grid}@media (width<=560px){.doc-grid{grid-template-columns:1fr}}.doc-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);cursor:pointer;flex-direction:column;gap:12px;padding:24px 20px;text-decoration:none;transition:box-shadow .2s,border-color .2s,transform .15s;display:flex}.doc-card:hover{border-color:var(--primary-light);text-decoration:none;transform:translateY(-2px);box-shadow:0 4px 16px #1b3a5c1a}.doc-card-icon-wrap{background:#1b3a5c14;border-radius:14px;justify-content:center;align-items:center;width:48px;height:48px;display:flex}.doc-card-icon{font-size:22px}.doc-card-body h2{color:var(--primary);margin-bottom:4px;font-size:16px;font-weight:700}.doc-card-body p{color:var(--text-secondary);font-size:13px;line-height:1.5}.doc-card-footer{justify-content:space-between;align-items:center;margin-top:auto;padding-top:4px;display:flex}.doc-card-label{color:var(--text-muted);letter-spacing:.6px;text-transform:uppercase;font-size:11px;font-weight:600}.doc-card-arrow{color:var(--primary);font-size:22px;line-height:1}.doc-hero{background:var(--primary);border-radius:var(--radius-lg);text-align:center;flex-direction:column;align-items:center;gap:10px;margin-bottom:16px;padding:36px 28px;display:flex}.doc-hero-icon-wrap{background:#ffffff26;border-radius:50%;justify-content:center;align-items:center;width:64px;height:64px;margin-bottom:4px;display:flex}.doc-hero-icon{font-size:28px}.doc-hero h1{color:#fff;letter-spacing:-.3px;font-size:24px;font-weight:800}.doc-hero-badge-row{flex-wrap:wrap;justify-content:center;gap:8px;display:flex}.doc-hero-badge{color:#ffffffe0;background:#ffffff26;border-radius:20px;padding:4px 12px;font-size:12px;font-weight:500}.intro-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);margin-bottom:8px;padding:16px}.intro-card p{color:var(--text-secondary);font-size:14px;line-height:1.65}.section-label{letter-spacing:.9px;color:var(--text-muted);text-transform:uppercase;margin:20px 0 8px;font-size:11px;font-weight:700}.accordion-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);margin-bottom:16px;overflow:hidden}.accordion-item+.accordion-item{border-top:1px solid var(--divider)}.accordion-trigger{cursor:pointer;text-align:left;background:0 0;border:none;align-items:center;gap:12px;width:100%;padding:14px 16px;transition:background .15s;display:flex}.accordion-trigger:hover{background:var(--bg)}.accordion-num{width:28px;height:28px;color:var(--primary);background:#1b3a5c14;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:12px;font-weight:700;transition:background .25s,color .25s;display:flex}.accordion-item.open .accordion-num{background:var(--primary);color:#fff}.accordion-title{color:var(--text);flex:1;font-size:14px;font-weight:500;line-height:1.4}.accordion-chevron{color:var(--primary);font-size:22px;line-height:1;transition:transform .25s;display:inline-block}.accordion-item.open .accordion-chevron{transform:rotate(90deg)}.accordion-body{grid-template-rows:0fr;transition:grid-template-rows .28s;display:grid}.accordion-item.open .accordion-body{grid-template-rows:1fr}.accordion-body-inner{border-top:0px solid var(--divider);background:var(--bg);opacity:0;max-height:0;padding:0 16px 0 56px;transition:opacity .18s,padding .28s,max-height .28s,border-top-width .28s;overflow:hidden}.accordion-item.open .accordion-body-inner{opacity:1;border-top-width:1px;max-height:2000px;padding:4px 16px 16px 56px;transition:opacity .2s .1s,padding .28s,max-height .28s,border-top-width .28s}.accordion-body-inner p{color:var(--text-secondary);white-space:pre-line;margin-bottom:8px;font-size:14px;line-height:1.65}.accordion-body-inner p:last-child{margin-bottom:0}.accordion-body-inner ul{margin:8px 0 0;padding-left:20px}.accordion-body-inner ul li{color:var(--text-secondary);margin-bottom:6px;font-size:14px;line-height:1.65}.accordion-body-inner ul li strong{color:var(--text);font-weight:600}.accordion-body-inner a{color:var(--primary-light);font-weight:500}.hint-card{border-radius:var(--radius-md);background:#1b3a5c0d;border:1px solid #1b3a5c26;margin-bottom:8px;padding:16px}.hint-card-title{color:var(--primary);margin-bottom:4px;font-size:14px;font-weight:700}.hint-card p{color:var(--text-secondary);font-size:13px;line-height:1.55}.hint-card a{color:var(--primary-light);font-weight:500}.site-footer{text-align:center;border-top:1px solid var(--divider);color:var(--text-muted);padding:20px 24px;font-size:12px}