:root{--bg:#f5f7fb;--panel:#fff;--text:#1f2937;--muted:#667085;--line:#d9e3ee;--primary:#2457c5;--green:#0f7b55;--amber:#b86100;--rose:#b42318;font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;letter-spacing:0}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}.page{max-width:1120px;margin:0 auto;padding:32px 20px 48px}.hero{padding:32px;border:1px solid var(--line);border-radius:8px;background:linear-gradient(180deg,#fff,#f8fbff)}.eyebrow{color:var(--muted);font-size:13px}.hero h1{margin:8px 0 0;font-size:34px;line-height:44px}.hero p{max-width:760px;color:var(--muted);line-height:26px}.trust{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}.trust span{border:1px solid #b9d2f5;color:#174193;background:#eef5ff;border-radius:999px;padding:6px 10px;font-size:13px}.panel{margin-top:18px;padding:22px;border:1px solid var(--line);border-radius:8px;background:var(--panel)}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.tool-card{display:block;min-height:148px;text-decoration:none;color:var(--text);border:1px solid var(--line);border-radius:8px;padding:16px;background:#fff}.tool-card:hover{border-color:#8fb2e8}.tool-card span{color:var(--primary);font-size:12px}.tool-card strong{display:block;margin-top:8px;font-size:17px}.tool-card p{color:var(--muted);line-height:22px}.back{display:inline-block;margin-bottom:16px;color:var(--primary);text-decoration:none}.tool-box{display:grid;gap:10px;margin-top:20px;max-width:680px}.tool-box textarea{min-height:130px;border:1px solid var(--line);border-radius:8px;padding:12px;resize:vertical}.tool-box button{width:max-content;height:36px;border:0;border-radius:8px;padding:0 16px;background:var(--primary);color:#fff}dl{display:grid;grid-template-columns:120px 1fr;gap:10px}dt{color:var(--muted)}dd{margin:0}.listing{border-top:1px solid var(--line);padding:12px 0}.listing:first-child{border-top:0}.listing span{float:right;color:var(--muted)}table{width:100%;border-collapse:collapse}th,td{padding:10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;font-size:14px}@media(max-width:760px){.cards{grid-template-columns:1fr}.hero h1{font-size:28px;line-height:36px}dl{grid-template-columns:1fr}}