:root{--ink:#17354b;--muted:#6b7e8e;--blue:#246bdb;--line:#dce5ed;--bg:#f2f6fa;--green:#13835c;--amber:#a36a13;--red:#b3424d}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:'Segoe UI',Arial,sans-serif;font-size:15px}header{height:82px;padding:0 max(5vw,24px);display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:#fff}.brand{text-decoration:none;display:flex;align-items:center;gap:12px;color:var(--ink);font-weight:800;font-size:22px}.brand-icon{background:var(--blue);color:white;border-radius:10px;width:36px;height:36px;text-align:center;padding-top:3px}.brand-sub{font-weight:400;font-size:14px;border-left:1px solid var(--line);padding-left:15px;margin-left:5px}.header-note{font-size:13px;color:var(--muted)}.header-note i{display:inline-block;background:var(--green);width:7px;height:7px;border-radius:100%;margin-right:7px}main{max-width:1250px;margin:auto;padding:48px 32px 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