:root{--ink:#10233f;--navy:#0b2545;--blue:#0b67d0;--sky:#eef6ff;--cyan:#16a3b6;--red:#c93d45;--gold:#e3a62f;--paper:#fff;--line:#dce5ef;--muted:#5f6f82;--shadow:0 18px 55px rgba(13,38,70,.11)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#f7f9fc;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;font-size:16px;line-height:1.65}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.container{width:min(1160px,calc(100% - 40px));margin:auto}.top-notice{background:#071a32;color:#dce9f8;text-align:center;font-size:.82rem;padding:7px 16px}.header{position:-webkit-sticky;position:sticky;top:0;z-index:40;background:rgba(255,255,255,.96);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.head{height:76px;gap:24px}.brand,.head{display:flex;align-items:center}.brand{gap:10px;font-weight:900;color:var(--navy);white-space:nowrap}.mark{width:40px;height:40px;border-radius:12px;background:linear-gradient(145deg,var(--blue),var(--navy));display:grid;place-items:center;color:#fff}.nav{display:flex;gap:19px;margin-left:auto;font-size:.91rem;font-weight:650}.nav a:hover{color:var(--blue)}.actions{display:flex;gap:10px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 20px;border-radius:11px;border:1px solid transparent;font-weight:800;cursor:pointer;transition:.2s}.btn-primary{background:var(--blue);color:#fff;box-shadow:0 9px 22px rgba(11,103,208,.25)}.btn-primary:hover{background:#0759b8;transform:translateY(-1px)}.btn-secondary{background:#fff;border-color:#b9c9da;color:var(--navy)}.hero{background:radial-gradient(circle at 80% 10%,rgba(22,163,182,.18),transparent 27%),linear-gradient(135deg,#071d39,#0d3869 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20px}.type-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:9px;gap:9px}.type-btn{border:1px solid var(--line);background:#f8fbff;border-radius:10px;padding:12px;text-align:left;cursor:pointer;color:var(--ink);font-weight:700}.type-btn:hover{border-color:var(--blue);background:var(--sky)}.upload-box{margin-top:14px;border:2px dashed #9bb9d5;background:var(--sky);border-radius:13px;padding:18px;text-align:center;color:#0b579e;font-weight:800}.section{padding:76px 0}.section.white{background:#fff}.section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:28px}.kicker{color:var(--blue);font-weight:850;font-size:.83rem;letter-spacing:.1em;text-transform:uppercase}.section h2{font-size:clamp(1.75rem,3.3vw,2.6rem);line-height:1.18;margin:8px 0}.section-head p{color:var(--muted);max-width:580px}.hub-grid{display:grid;grid-template-columns:repeat(6,1fr);grid-gap:14px;gap:14px}.category-card,.content-card,.hub-card{background:#fff;border:1px solid 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span{display:block;height:100%;background:linear-gradient(90deg,var(--blue),var(--cyan));transition:.3s}.form-head{display:flex;justify-content:space-between;margin:13px 0 25px;color:var(--muted);font-size:.9rem}.field{margin-bottom:18px}.field label{display:block;font-weight:800;margin-bottom:7px}.field input,.field select,.field textarea{width:100%;border:1px solid #bdcad8;border-radius:10px;padding:13px 14px;background:#fff;color:var(--ink)}.field textarea{min-height:120px;resize:vertical}.option-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:10px;gap:10px}.option{border:1px solid var(--line);border-radius:11px;padding:14px;cursor:pointer;background:#fafcff;font-weight:700}.option.active{background:var(--sky);border-color:var(--blue);color:var(--blue)}.form-nav{display:flex;justify-content:space-between;margin-top:26px}.success{text-align:center;padding:35px}.case-id{display:inline-block;background:#eaf8f4;color:#087d62;border-radius:9px;padding:10px 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var(--line);padding:14px 0}.faq-item summary{font-weight:800;cursor:pointer}.official-source{display:block;border:1px solid var(--line);border-radius:12px;padding:15px;margin:10px 0}.official-source span{display:block;color:#087d62;text-transform:uppercase;font-weight:850;font-size:.72rem}.official-source b,.official-source small{display:block}.official-source small{color:var(--muted)}.related-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:10px;gap:10px}.related-grid a{border:1px solid var(--line);padding:14px;border-radius:10px}.related-grid span{display:block;color:var(--muted);font-size:.8rem}.article-disclaimer{display:flex;gap:12px;background:#f4f7fb;border-radius:12px;padding:17px;margin-top:28px}.article-disclaimer p{margin:3px 0 0}.article-disclaimer svg{flex:none;color:var(--blue)}@media(max-width:680px){.check-grid,.quick-facts,.related-grid,.toc{grid-template-columns:1fr}.quick-facts div:nth-child(odd){border-right:0}.ticket-upload{grid-template-columns:1fr}.timeline div{min-width:105px}.article-prose{max-width:100%}}