:root{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:#172e48;background:#f6f8fb;font-synthesis:none}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,input{touch-action:manipulation}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #ed8c45;outline-offset:4px}header{height:88px;border-bottom:1px solid #e3e8ee;background:white;display:flex;align-items:center;justify-content:space-between;padding:0 max(5vw,24px)}.brand{display:flex;align-items:center;gap:12px;font-size:22px;font-weight:750;letter-spacing:1px}.brand-icon{background:#172e48;color:white;width:38px;height:38px;border-radius:10px;display:grid;place-items:center;font-size:22px}.brand-sub{font-size:14px;color:#778594;font-weight:400;letter-spacing:0;border-left:1px solid #dbe0e5;padding-left:14px;margin-left:4px}.source-top{font-size:14px;color:#566779}.source-top:hover{color:#bd571c}main{max-width:1060px;margin:auto;padding:52px 26px 64px}.search-area{max-width:850px;margin:0 auto 46px;text-align:center}.eyebrow{color:#ac531f;font-size:14px;font-weight:600;letter-spacing:2px}h1{font-size:40px;font-weight:750;line-height:1.4;letter-spacing:-1px;margin:16px 0 12px}h1 span{color:#c46226}.intro{font-size:16px;color:#667788;line-height:1.8;margin:0 0 28px}form{display:flex;align-items:center;gap:14px;background:white;border:1px solid #acb9c8;border-radius:14px;padding:9px 10px 9px 21px;box-shadow:0 8px 24px #233f6410;text-align:left}form:focus-within{border-color:#172e48;box-shadow:0 0 0 3px #172e4810}form svg{width:24px;height:24px;stroke:#7c8b9a;fill:none;stroke-width:1.7;flex-shrink:0}input{background:transparent;border:0;outline:0!important;min-width:0;flex:1;height:46px;font-size:16px;color:#172e48}input::placeholder{color:#85909e}form button{background:#172e48;color:white;border:0;border-radius:9px;padding:15px 22px;white-space:nowrap;font-weight:600;font-size:15px}form button:hover{background:#284868}form button span{margin-left:16px}.under-search{display:flex;justify-content:space-between;color:#7b8794;font-size:13px;margin:13px 4px}.section-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;gap:12px}h2{font-size:20px;margin:0;line-height:1.5}.section-heading>span{font-size:14px;color:#7b8794}.topics{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.topic{background:#fff;border:1px solid #e0e6ed;border-radius:15px;padding:23px 23px 17px;transition:transform .18s,border-color .18s}.topic:hover{transform:translateY(-3px);border-color:#b6c3d1}.topic-head{display:flex;align-items:center;gap:12px;margin-bottom:14px}.topic-icon{display:grid;place-items:center;width:36px;height:36px;border-radius:9px;color:#456588;background:#edf3fa;font-size:19px}.topic:nth-child(2n) .topic-icon{background:#fff1e7;color:#b56232}.topic h3{margin:0;font-size:17px}.topic p{margin:4px 0 0;color:#82909e;font-size:13px}.question{display:flex;align-items:center;justify-content:space-between;gap:6px;width:100%;padding:12px 0;border:0;border-bottom:1px solid #f0f2f5;background:none;text-align:left;color:#425569;font-size:15px;line-height:1.5}.question:last-child{border:0}.question:hover{color:#bc591f}.question span{color:#9ba7b3;font-size:18px}.reading-note{display:flex;align-items:center;gap:16px;padding:26px 0 0;margin-top:28px;border-top:1px solid #dfe5ec}.note-mark{font-size:16px;color:#b65c28;border:1px solid #dfbeaa;border-radius:50%;width:38px;height:38px;display:grid;place-items:center;flex-shrink:0}.reading-note strong{font-size:15px;font-weight:600}.reading-note p{font-size:14px;color:#7c8997;margin:7px 0 0;line-height:1.7}.reading-note a{margin-left:auto;font-size:14px;white-space:nowrap;color:#a75123}footer{border-top:1px solid #e0e6ed;padding:25px max(5vw,24px);display:flex;justify-content:space-between;gap:16px;color:#85919e;font-size:12px;line-height:1.7}.footer-dot{padding:0 10px;color:#c5cdd5}.back{border:0;background:none;color:#8a522f;font-size:14px;padding:0;margin-bottom:12px}.result-card{background:white;border:1px solid #dfe5ec;border-radius:13px;padding:24px 28px;margin-bottom:14px}.result-meta{color:#7f8c9a;font-size:13px;margin-bottom:10px}.result-card h3{font-size:19px;line-height:1.6;margin:0 0 10px}.result-card h3 button{font:inherit;font-weight:650;color:inherit;text-align:left;border:0;padding:0;background:none}.result-card h3 button:hover{color:#b45a25}.result-card p{font-size:16px;color:#5c6c7c;line-height:1.9;margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.result-bottom{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:17px}.result-bottom span{font-size:13px;color:#7b8896}.read-btn{border:0;background:none;color:#a85020;font-size:14px;padding:4px 0}.more{display:block;margin:24px auto 0;background:white;border:1px solid #c5ced8;border-radius:8px;color:#172e48;padding:12px 28px}.empty{padding:48px 24px;background:white;border:1px dashed #c7d0db;border-radius:16px;text-align:center}.empty p{color:#748293;font-size:16px;line-height:1.8}.empty button{background:#edf2f7;border:0;border-radius:20px;padding:9px 16px;margin:4px;color:#34516c}mark{background:#ffe8bd;color:inherit;border-radius:2px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}dialog{border:0;border-radius:18px;padding:0;width:min(800px,calc(100% - 28px));max-height:90dvh;color:#172e48;box-shadow:0 24px 100px #10274244}dialog::backdrop{background:#10223a88;backdrop-filter:blur(3px)}.reader-top{position:sticky;top:0;display:flex;align-items:center;justify-content:space-between;padding:14px 30px;background:#fff;border-bottom:1px solid #e8edf2;z-index:1;font-size:14px;color:#7c8997}.reader-top button{width:36px;height:36px;border:0;border-radius:50%;background:#f0f3f6;color:#304459;font-size:18px}article{padding:28px 36px 40px}article h2{font-size:26px;margin:10px 0 24px;line-height:1.65}article h3{font-size:15px;color:#7c8997;margin:25px 0 10px}article p{font-size:16px;line-height:1.95;white-space:pre-wrap;overflow-wrap:anywhere;margin:0}article a{color:#306b9c;text-decoration:underline;overflow-wrap:anywhere}article .plain{background:#eef4fa;padding:20px 24px;border-radius:12px}article .plain h3{margin:0 0 9px;color:#3f6384}article .origin{display:inline-block;margin-top:28px;font-size:14px}.reader-chapter{font-size:14px;color:#7b8998}body:has(dialog[open]){overflow:hidden}[hidden]{display:none!important}@media(max-width:720px){header{height:72px;padding:0 20px}.brand{font-size:19px;gap:9px}.brand-sub{display:none}.source-top{font-size:13px}main{padding:34px 18px 40px}.search-area{margin-bottom:32px}h1{font-size:29px;letter-spacing:-.7px}.intro{font-size:14px;margin-bottom:22px}.eyebrow{font-size:12px}form{padding:7px 8px 7px 12px;gap:9px}form svg{width:20px}input{font-size:16px}form button{padding:14px 15px;font-size:14px}form button span{display:none}.under-search{font-size:12px;justify-content:center}.under-search span:last-child{display:none}.topics{grid-template-columns:repeat(2,1fr);gap:12px}.topic{padding:18px 16px 12px}.topic-head{gap:9px}.topic h3{font-size:16px}.topic p{font-size:12px}.question{font-size:14px}.reading-note{flex-wrap:wrap}.reading-note a{margin-left:54px}.section-heading h2{font-size:18px}.section-heading>span{font-size:12px}footer{padding:22px 20px;flex-direction:column;gap:5px}.result-card{padding:20px}.result-card h3{font-size:18px}article{padding:22px}article h2{font-size:23px}.reader-top{padding:12px 22px}}@media(max-width:420px){.topics{grid-template-columns:1fr}.topic{padding:20px}.topic-head{margin-bottom:8px}.question{padding:11px 0}.topic p{font-size:13px}.question{font-size:15px}h1 span{display:block}.section-heading{align-items:flex-end}}@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}