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#d8e4f4;padding:48px;border-radius:13px;background:linear-gradient(150deg,#f8fbff,#edf4ff)}.knowledge-banner p:not(.eyebrow){font-size:13px;color:#7690ae;line-height:1.9;margin:23px 0}.knowledge-banner .button{font-size:12px}.inline-link{font-size:10px;color:#457bae;margin-left:15px}.knowledge-preview a{display:block;border-bottom:1px solid #d4e1f0;padding:18px 0;font-size:13px;position:relative}.knowledge-preview a span{display:block;font-size:9px;color:#86a0bf;letter-spacing:1px;margin-bottom:6px}.knowledge-preview a b{position:absolute;right:0;top:29px;color:#1d6ff0;font-weight:400}.faq-section{padding-bottom:88px}.faq-question{border-bottom:1px solid var(--line);padding:18px 0}.faq-question summary{cursor:pointer;font-weight:650;font-size:14px;list-style:none;position:relative;padding-right:35px}.faq-question summary:after{content:"+";position:absolute;right:5px;top:0;font-size:19px;color:#5485c7}.faq-question[open] summary:after{content:"−"}.faq-question p{font-size:12px;color:#7288a3;line-height:1.95;padding:14px 30px 3px 0;margin:0}.cooperation-section{color:white;padding:76px 0;background:radial-gradient(ellipse at 75% 60%,#175697,#093566 45%,#041d42)}.cooperation-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:90px;align-items:center}.cooperation-grid>div>p:not(.eyebrow){font-size:13px;line-height:2;color:#9abce3;max-width:620px;margin:25px 0}.cooperation-tags{display:flex;flex-wrap:wrap;gap:10px;font-size:10px;color:#a6c7ee}.cooperation-tags span{border:1px solid #6c9fc855;padding:4px 11px;border-radius:5px}.contact-panel{border:1px solid #92c3ff40;background:#a4ceff0c;border-radius:11px;padding:30px 35px}.contact-panel>span{font-size:11px;color:#8bb7e9}.contact-panel strong{display:block;font-size:34px;letter-spacing:1px;margin:11px 0;color:#d8ebff}.contact-panel p{font-size:12px!important;margin:12px 0 23px!important;line-height:1.9!important}.contact-panel .button{width:100%;font-size:12px}.contact-panel a{display:block;color:#8db4df;font-size:10px;text-align:center;margin-top:17px}.site-footer{background:#031329;color:#7894b6;padding:44px 0 25px;font-size:11px}.footer-top{display:flex;justify-content:space-between;gap:35px;border-bottom:1px solid #557ca535;padding-bottom:28px}.footer-brand strong{font-size:17px;color:#d2e3fa}.footer-brand p{font-size:10px;margin:12px 0 0;color:#607f9f}.footer-links{display:flex;gap:35px;align-items:center;font-size:10px}.footer-bottom{display:flex;justify-content:space-between;gap:30px;font-size:9px;margin-top:20px;color:#557391}.floating-contact{position:fixed;bottom:25px;right:25px;border-radius:30px;background:#146cff;color:white;box-shadow:0 8px 22px #1769ee44;padding:12px 20px;z-index:35;font-size:12px}.floating-contact span{margin-left:12px;opacity:.8}dialog{border:1px solid #d1e2f6;border-radius:16px;padding:30px;width:min(450px,92vw);max-height:90vh;box-shadow:0 24px 100px #061d454d;color:var(--ink)}dialog::backdrop{background:#041d3aaa;backdrop-filter:blur(4px)}.dialog-close{position:absolute;right:17px;top:13px;border:0;color:#7090b8;background:#eff5fe;border-radius:50%;height:28px;width:28px;display:grid;place-items:center;font-size:18px}.contact-dialog .eyebrow{margin-top:5px}.contact-dialog h2{font-size:27px;margin:25px 0 13px}.contact-dialog>p:not(.eyebrow){font-size:12px;color:#778ba5;line-height:1.9}.wechat-label{display:block;font-size:10px;color:#7e96b5;margin:23px 0 6px}.wechat-value{font-family:inherit;font-size:28px;font-weight:700;color:#1367e5;background:#eff5ff;border:1px solid #d7e7fd;border-radius:8px;padding:10px 14px;width:100%}.contact-dialog .button{width:100%;justify-content:center;margin-top:15px;font-size:13px}.copy-status{font-size:11px;min-height:24px;color:#367dbd;margin-top:8px}.contact-note{font-size:9px!important;color:#8da0b8!important;border-top:1px solid 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/* Knowledge pages */
.knowledge-hero{background:linear-gradient(120deg,#eff6ff,#f8fbff);border-bottom:1px solid #dce7f6;padding:57px 0 48px}.knowledge-hero h1{font-size:45px;letter-spacing:-1.5px;margin:17px 0 20px}.knowledge-hero p{font-size:14px;color:#6580a1;max-width:800px}.knowledge-actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-top:25px}.knowledge-actions a{font-size:11px;color:#1d66c4;border:1px solid #cfe0f6;background:white;padding:7px 12px;border-radius:6px}.chapter-search-area{padding:35px 0;display:flex;align-items:center;gap:20px;flex-wrap:wrap}.chapter-search-area label{font-size:11px;color:#6b88a9}.chapter-search-area input{padding:10px 15px;border:1px solid #c9dbf1;border-radius:8px;width:min(450px,100%);color:#234666;background:#fbfdff;font-size:12px}.chapter-search-area span{font-size:10px;color:#86a0bc}.chapter-groups{display:grid;grid-template-columns:1fr 1fr;gap:38px;padding-bottom:70px}.chapter-group h2{font-size:24px;letter-spacing:-.5px;margin:8px 0 22px}.chapter-group>p{font-size:11px;color:#8195af}.chapter-link{display:block;padding:16px 37px 16px 16px;border:1px solid #dbe6f4;background:#fbfdff;border-radius:7px;margin:10px 0;font-size:12px;position:relative;line-height:1.7}.chapter-link span{color:#6a96d0;font-size:10px;display:block;margin-bottom:4px}.chapter-link:after{content:"↗";position:absolute;right:15px;top:22px;color:#347dd5}.chapter-link:hover{background:#edf5ff;border-color:#9ac1f5}.reading-layout{display:grid;grid-template-columns:235px minmax(0,1fr);gap:45px;padding:35px 0 60px}.reading-rail{position:sticky;top:104px;height:calc(100vh - 130px);overflow:auto;align-self:start;padding-right:10px}.reading-rail>strong{display:block;font-size:12px;color:#4c6e95;margin-bottom:16px}.reading-rail a{display:block;font-size:10px;padding:8px 9px;line-height:1.7;border-radius:6px;color:#7890ad}.reading-rail a[aria-current="page"]{background:#edf4ff;color:#145bd3;border-left:2px solid #176aeb}.reading-main{min-width:0}.breadcrumbs{display:flex;gap:8px;flex-wrap:wrap;font-size:10px;color:#8da0b8;margin:0 0 27px}.breadcrumbs a{color:#3075c9}.reading-main h1{font-size:34px;line-height:1.45;letter-spacing:-1px;margin:13px 0 18px}.chapter-meta{font-size:10px;color:#8a9cb4;border-bottom:1px solid #dce6f1;padding-bottom:25px;margin-bottom:27px}.chapter-content{font-size:14px;line-height:1.95;overflow-wrap:anywhere}.chapter-content p{margin:15px 0}.chapter-content h2{font-size:25px;line-height:1.5;margin:32px 0 17px}.chapter-content h3{font-size:19px;line-height:1.6;margin:30px 0 13px}.chapter-content h4{font-size:16px;margin:22px 0 10px}.chapter-content a{color:#1261cb}.chapter-content li{margin:7px 0}.chapter-content blockquote{border-left:3px solid #3580ec;padding:7px 20px;background:#f1f7ff;color:#517299;margin:20px 0}.chapter-content code{font-family:"SFMono-Regular",Consolas,monospace;font-size:.83em;padding:2px 4px;border-radius:4px;background:#f0f5fc;color:#2e639d;overflow-wrap:anywhere}.chapter-content pre{background:#102640;color:#d9e9fe;border-radius:9px;white-space:pre-wrap;overflow-wrap:anywhere;padding:20px 23px;font-size:11px;line-height:1.9;overflow-x:auto}.chapter-content pre code{padding:0;background:none;color:inherit;font-size:inherit}.table-scroll{overflow-x:auto;max-width:100%;border:1px solid #dbe5f1;border-radius:8px;margin:22px 0}.chapter-content table{width:100%;border-collapse:collapse;min-width:560px;font-size:11px;line-height:1.9}.chapter-content th{background:#edf4fe;font-weight:650;color:#315d8f;text-align:left}.chapter-content td,.chapter-content th{padding:10px 12px;vertical-align:top;border-bottom:1px solid #e0e8f2}.chapter-content tbody tr:last-child td{border-bottom:0}.chapter-content tbody tr:nth-child(even){background:#fbfdff}.hash{display:block;word-break:break-all}.method{font-family:monospace;color:#177b59;white-space:nowrap}.diagram{margin:25px 0;border:1px solid #dce8f6;border-radius:9px;padding:10px;background:#f8fbff}.diagram-scroll{overflow-x:auto;max-width:100%}.diagram svg{display:block;width:100%;min-width:730px;height:auto;font-family:inherit}.diagram figcaption{font-size:10px;color:#6a89ab;line-height:1.85;padding:9px 5px 2px}.diagram small{font-size:9px;color:#92a6bd;padding:3px 5px;display:block}.chapter-content .screen{background:#f2f7fd;border:1px solid #dce8f6;border-radius:10px;text-align:center;margin:24px 0;padding:22px}.chapter-content .screen figcaption{font-size:10px;color:#7892b0;margin-top:18px}.chapter-content .screen figcaption span{display:block;color:#2271d5}.chapter-nav{display:flex;justify-content:space-between;gap:30px;border-top:1px solid #dce6f3;padding-top:27px;margin:40px 0;font-size:11px;color:#3575c9}.chapter-contact{background:#edf5ff;border:1px solid #d4e4fa;padding:25px;border-radius:10px;font-size:12px;color:#637f9f}.chapter-contact strong{display:block;font-size:17px;color:#285787;margin-bottom:8px}.chapter-contact .button{font-size:11px;margin-top:5px}.chapter-tools{display:flex;gap:14px;flex-wrap:wrap;font-size:10px;margin:20px 0;color:#6488b1}.chapter-tools button{padding:0;border:0;background:none;color:#286ac2;font-size:10px}.faq-full{max-width:900px;padding:50px 0 75px}.faq-full article{padding:22px 0;border-bottom:1px solid var(--line)}.faq-full h2{font-size:21px;line-height:1.6;letter-spacing:-.3px}.faq-full p{font-size:13px;color:#7389a5}.faq-full a{font-size:11px;color:#1e70d8}.notfound{padding:100px 0;text-align:center}.notfound h1{font-size:52px}.notfound p{color:#7385a0}
@media(min-width:1600px){.hero-grid{padding-top:98px;padding-bottom:83px}}
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.hero-copy{min-width:0}
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.case-card{min-width:0;border:1px solid #dce6f4;border-radius:15px;overflow:hidden;background:#fff;transition:transform .2s,box-shadow .2s}
.case-card:hover{transform:translateY(-4px);box-shadow:0 15px 35px #1a428416}
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@media(max-width:900px){.hero-grid{grid-template-columns:minmax(0,1fr)}}
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