.article-page{background:#f7f9fd}
.reading-progress{position:fixed;inset:0 0 auto;height:3px;z-index:30;pointer-events:none}
.reading-progress i{display:block;width:100%;height:100%;background:linear-gradient(90deg,#79ddf1,#6971ec,#865ae2);transform:scaleX(0);transform-origin:left}
.article-hero{padding-top:29px;padding-bottom:45px}
.article-breadcrumbs{display:flex;align-items:center;gap:12px;font-size:11px;line-height:1.5;color:#8a96ab;min-height:28px;margin-bottom:35px}
.article-breadcrumbs a{color:#607191;min-height:28px;display:inline-flex;align-items:center}
.article-breadcrumbs a:hover{color:#6258bd}
.article-title-row{display:flex;align-items:center;gap:18px;margin-bottom:23px}
.article-title-row .article-icon{margin:0;width:48px;height:48px;border-radius:14px}
.article-title-row .article-icon svg{width:28px;height:30px}
.article-title-row time{color:#8290a7;font-size:11px}
.article-hero h1{font-size:60px;line-height:1.1;letter-spacing:-2.5px;font-weight:600;color:#152541;max-width:1120px;margin:0 0 25px}
.article-lead{font-size:19px;line-height:1.7;color:#687892;max-width:820px;margin:0}
.article-layout{display:grid;grid-template-columns:225px minmax(0,800px);gap:70px;justify-content:center;align-items:start;padding-bottom:55px}
.article-sidebar{position:sticky;top:30px;min-width:0;padding-top:8px}
.article-toc{color:#5e7091}
.article-toc summary{list-style:none;font-size:13px;font-weight:650;color:#293c5d;display:flex;justify-content:space-between;align-items:center;gap:10px;cursor:pointer;min-height:40px;padding-bottom:16px}
.article-toc summary::-webkit-details-marker{display:none}
.article-toc summary>span{font-size:16px;color:#8d99b3;transition:transform .15s}
.article-toc[open] summary>span{transform:rotate(180deg)}
.article-toc nav{display:grid;gap:4px;padding-bottom:15px}
.article-toc nav a{display:flex;align-items:baseline;gap:12px;border-left:2px solid #e4eaf5;padding:11px 9px 11px 14px;font-size:12px;line-height:1.55;color:#7e8ba2;transition:color .15s,background .15s,border-color .15s}
.article-toc nav a>span{font-size:9px;letter-spacing:.3px;color:#99a6bf}
.article-toc nav a:hover{color:#5c62b6;background:#edf1fa80}
.article-toc nav a[aria-current="location"]{color:#605bb0;border-left-color:#7e7be8;background:linear-gradient(90deg,#edf0fd,transparent)}
.article-toc nav a[aria-current="location"]>span{color:#817bc9}
.article-back{display:flex;gap:9px;align-items:center;font-size:11px;color:#7b89a3;padding:20px 0;min-height:44px;border-top:1px solid #e2e9f4;margin-top:15px}
.article-body{min-width:0;color:#405575;font-size:17px;line-height:1.85}
.article-body section[id]{scroll-margin-top:32px}
.article-body p{margin:0 0 23px}
.article-body h2{font-size:34px;line-height:1.2;letter-spacing:-1.1px;font-weight:600;color:#1a2d4a;margin:0 0 24px}
.article-body h3{font-size:22px;line-height:1.3;letter-spacing:-.45px;font-weight:600;color:#233957;margin:31px 0 17px}
.article-body>section{margin-top:53px}
.article-body strong{font-weight:600;color:#253c5b}
.article-answer{background:linear-gradient(125deg,#eef5ff,#f0f0fd);border:1px solid #dfe6f8;border-radius:20px;padding:26px 30px}
.article-answer>span{display:block;color:#6b6cc0;font-size:11px;font-weight:650;letter-spacing:.3px;margin-bottom:9px}
.article-answer p{margin:0;font-size:16px;line-height:1.8}
.folder-example{margin:31px 0 0;padding:25px 30px 21px;background:linear-gradient(135deg,#ffffffb8,#f1f6ffde);border:1px solid #d7e2f5;border-radius:22px;box-shadow:inset 0 1px 0 white,0 12px 30px #36558308}
.example-header{display:flex;justify-content:space-between;align-items:center;gap:20px;border-bottom:1px solid #e2e9f5;padding-bottom:17px;font-size:12px;font-weight:600;color:#3e587d}
.example-header>span:last-child{font-size:10px;color:#8b98b1;font-weight:500}
.example-tree{padding:17px 0 8px;max-width:490px}
.example-folder{display:flex;align-items:center;gap:12px;min-height:46px;font-size:15px;line-height:1.4;color:#6684c1}
.example-folder strong{font-weight:550;color:#486086}
.example-folder small{color:#a1aec5;font-size:9px;margin-left:auto;letter-spacing:.4px}
.example-branch{border-left:1px solid #c9d8f1;margin-left:7px;padding-left:26px}
.example-chat{display:flex;align-items:center;gap:10px;min-height:44px;margin:9px 0 10px;padding:11px 15px;border:1px solid #d7def9;border-radius:10px;background:linear-gradient(110deg,#e9eeff,#eeedfc);font-size:13px;font-weight:550;color:#5a60a1}
.folder-example figcaption{margin-top:16px;font-size:11px;line-height:1.6;color:#8c9ab1}
.article-table-wrap{border:1px solid #dce5f3;border-radius:18px;overflow:hidden;margin:30px 0;background:#fff}
.article-table-wrap table{width:100%;border-collapse:collapse;font-size:14px;line-height:1.65;table-layout:fixed}
.article-table-wrap caption{text-align:left;padding:18px 23px;font-size:12px;font-weight:550;color:#637898;background:#f8faff}
.article-table-wrap th{background:#edf2fd;color:#596e91;font-size:11px;font-weight:600;text-align:left}
.article-table-wrap td,.article-table-wrap th{padding:16px 22px;vertical-align:top;overflow-wrap:break-word}
.article-table-wrap th:first-child{width:18%}
.article-table-wrap th:nth-child(2){width:30%}
.article-table-wrap td{border-top:1px solid #e8edf5;color:#617490}
.article-table-wrap td:nth-child(2){font-weight:550;color:#3b5478}
.article-steps{list-style:none;counter-reset:steps;padding:0;margin:29px 0}
.article-steps li{counter-increment:steps;position:relative;padding-left:49px;margin-bottom:29px}
.article-steps li::before{content:counter(steps,decimal-leading-zero);position:absolute;left:0;top:1px;width:30px;height:30px;border-radius:9px;background:#eaf0fc;border:1px solid #dce4f7;display:flex;align-items:center;justify-content:center;color:#7b7bc0;font-size:10px;font-weight:600}
.article-steps h3{font-size:20px;margin:0 0 11px}
.article-steps p{margin:0;font-size:16px;line-height:1.8}
.article-note{display:flex;gap:15px;background:#eff5ff;border-left:3px solid #91b6ed;border-radius:0 14px 14px 0;padding:23px 25px;margin-top:33px}
.article-note>span{width:23px;height:23px;border:1px solid #b4caed;flex-shrink:0;display:flex;align-items:center;justify-content:center;border-radius:50%;font-size:11px;color:#7798c8;margin-top:3px;font-weight:600}
.article-note strong{font-size:14px;color:#4b6b94}
.article-note p{font-size:14px;line-height:1.8;margin:6px 0 0;color:#6b83a5}
.article-body blockquote{margin:28px 0;padding:4px 0 4px 25px;border-left:3px solid #afa7ea}
.article-body blockquote p{font-size:25px;line-height:1.5;letter-spacing:-.5px;color:#5e659f;margin:0;max-width:620px}
.article-checklist{list-style:none;padding:0;margin:22px 0}
.article-checklist li{padding-left:28px;margin-bottom:13px;position:relative;font-size:16px;line-height:1.7}
.article-checklist li::before{content:"✓";position:absolute;left:0;color:#7c83ca;font-size:14px}
.article-faq details{border-top:1px solid #dfe7f4;padding:0}
.article-faq details:last-child{border-bottom:1px solid #dfe7f4}
.article-faq summary{list-style:none;cursor:pointer;min-height:70px;padding:20px 33px 20px 0;position:relative;font-size:16px;line-height:1.65;font-weight:550;color:#395071}
.article-faq summary::-webkit-details-marker{display:none}
.article-faq summary::after{content:"+";position:absolute;right:5px;top:20px;font-weight:400;font-size:23px;line-height:1.2;color:#8386cc}
.article-faq details[open] summary::after{content:"−"}
.article-faq details p{font-size:15px;line-height:1.8;color:#7183a0;padding-right:25px;margin:0 0 25px}
.article-body .article-cta{border:1px solid #dce3f8;background:radial-gradient(ellipse at 90% 0,#e6edff99,transparent 70%),linear-gradient(110deg,#f0f6ff,#f0effc);border-radius:23px;padding:34px}
.article-cta h2{font-size:32px;line-height:1.2;max-width:520px;margin-bottom:14px}
.article-cta p{font-size:15px;margin-bottom:24px;color:#7786a3}
.article-cta>span{display:block;color:#8c98af;font-size:10px;margin-top:13px;line-height:1.5}
.article-bottom-back{display:flex;gap:10px;align-items:center;min-height:44px;font-size:12px;color:#7e8fae;margin-top:20px}
.article-related{padding:42px 0 75px;background:#eff3fb;border-top:1px solid #e1e8f4}
.related-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:28px}
.related-heading h2{font-size:36px;line-height:1.2;font-weight:600;letter-spacing:-1.3px;color:#253650;margin:0}
.related-heading>a{font-size:12px;color:#7b87a6;display:flex;gap:12px;align-items:center;min-height:40px}
@media(max-width:1250px) and (min-width:851px){.article-hero h1{font-size:52px}
.article-layout{grid-template-columns:210px minmax(0,800px);gap:45px}
.article-body{font-size:16px}}
@media(max-width:1000px) and (min-width:851px){.article-layout{grid-template-columns:190px minmax(0,1fr);gap:32px}
.article-body h2{font-size:30px}
.article-hero h1{font-size:49px}
.article-toc nav a{font-size:11px;padding-left:11px;gap:8px}
.article-table-wrap td,.article-table-wrap th{padding:14px}}
@media(max-width:850px){.article-hero{padding-top:23px;padding-bottom:30px}
.article-breadcrumbs{margin-bottom:25px}
.article-hero h1{font-size:47px;letter-spacing:-1.8px}
.article-lead{font-size:17px}
.article-layout{grid-template-columns:1fr;gap:29px;max-width:800px}
.article-sidebar{position:static;padding:0}
.article-toc{border:1px solid #dce5f4;border-radius:16px;padding:0 20px;background:#fff9}
.article-toc summary{padding:17px 0;min-height:54px}
.article-toc nav{padding-bottom:17px}
.article-back{display:none}
.article-body{font-size:17px}
.article-related{padding-block:35px 55px}}
@media(max-width:540px){.article-hero{padding-top:19px;padding-bottom:27px}
.article-breadcrumbs{font-size:10px;gap:10px;margin-bottom:22px}
.article-title-row{margin-bottom:19px;gap:13px}
.article-title-row .article-icon{width:42px;height:42px;border-radius:12px}
.article-title-row .article-icon svg{width:25px;height:27px}
.article-title-row time{font-size:10px}
.article-hero h1{font-size:36px;line-height:1.15;letter-spacing:-1.35px;margin-bottom:20px}
.article-hero h1 br{display:none}
.article-lead{font-size:15px;line-height:1.8}
.article-layout{gap:25px;padding-bottom:32px}
.article-toc{padding-inline:18px}
.article-toc summary{font-size:12px}
.article-body{font-size:15px;line-height:1.85}
.article-body h2{font-size:28px;letter-spacing:-.8px;line-height:1.25;margin-bottom:20px}
.article-body h3{font-size:21px}
.article-body>section{margin-top:37px}
.article-answer{border-radius:16px;padding:21px 23px}
.article-answer p{font-size:14px}
.folder-example{margin-top:25px;padding:20px 21px 18px;border-radius:18px}
.example-header{font-size:11px}
.example-header>span:last-child{font-size:9px}
.example-folder{font-size:13px;gap:9px;min-height:42px}
.example-branch{padding-left:18px;margin-left:5px}
.example-chat{font-size:11px;padding:10px 12px;gap:8px}
.folder-example figcaption{font-size:10px}
.article-table-wrap{border-radius:13px}
.article-table-wrap table{font-size:12px;line-height:1.65}
.article-table-wrap caption{padding:15px 14px;font-size:11px}
.article-table-wrap td,.article-table-wrap th{padding:12px 10px}
.article-table-wrap th{font-size:10px}
.article-table-wrap th:first-child{width:20%}
.article-table-wrap th:nth-child(2){width:31%}
.article-steps li{padding-left:41px;margin-bottom:27px}
.article-steps h3{font-size:18px}
.article-steps p{font-size:14px}
.article-steps li::before{width:27px;height:27px;font-size:9px}
.article-note{padding:20px 18px;gap:12px}
.article-note p{font-size:13px}
.article-body blockquote{padding-left:19px}
.article-body blockquote p{font-size:22px}
.article-checklist li{font-size:14px;padding-left:25px}
.article-faq summary{font-size:14px;min-height:66px}
.article-faq details p{font-size:13px;padding-right:16px}
.article-body .article-cta{padding:25px;border-radius:19px}
.article-cta h2{font-size:28px}
.article-cta p{font-size:14px}
.article-cta>span{font-size:9px}
.article-related{padding:32px 0 45px}
.related-heading{margin-bottom:22px;gap:12px}
.related-heading h2{font-size:29px;letter-spacing:-.9px}
.related-heading>a{font-size:10px;gap:7px}
.article-related .card-link{min-height:315px}}
@media(max-width:359px){.article-hero h1{font-size:32px}
.article-body h2{font-size:26px}
.folder-example{padding-inline:17px}
.example-branch{padding-left:14px}
.example-chat{padding-inline:9px;font-size:10px}
.article-table-wrap td,.article-table-wrap th{padding-inline:8px}
.related-heading h2{font-size:27px}}
@media print{.article-sidebar,.reading-progress,.article-cta,.article-related,.article-bottom-back{display:none!important}
.article-layout{display:block}
.article-hero{padding-top:0}
.article-hero h1{font-size:32px}
.article-body{font-size:12px}
.article-body h2{font-size:24px}
.folder-example,.article-answer,.article-note{break-inside:avoid;box-shadow:none}}