/* Beijing AI Coding lesson: only the adapted course-case pages need new styles. */
.beijing-three-cases{height:100%;min-height:505px;box-sizing:border-box;display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:1fr auto;gap:18px;align-content:stretch}.beijing-three-cases article{display:flex;flex-direction:column;padding:28px 24px;border:1px solid #dbe6f1;border-radius:19px;background:#fff}.beijing-three-cases article>span{color:#1c6bc4;font-weight:800;letter-spacing:.08em}.beijing-three-cases article b{display:block;margin:14px 0 12px;color:#153b61;font-size:24px}.beijing-three-cases article p{min-height:58px;margin:0;color:#4a637a;line-height:1.6}.beijing-three-cases article em{display:block;margin-top:auto;padding:13px;border-radius:10px;background:#eaf3ff;color:#175da6;font-style:normal;font-weight:700}.beijing-three-cases>div{grid-column:1/-1;padding:16px 20px;border-radius:13px;background:#123a63;color:#fff;text-align:center;font-size:18px}.beijing-three-cases>div b{margin-right:8px;color:#8cc8ff}
.beijing-three-cases.two-cases{grid-template-columns:repeat(2,minmax(0,1fr))}
.m6-role-upgrade,.m6-delivery-gates{width:100%;min-height:510px;box-sizing:border-box;display:grid;grid-template-rows:auto 1fr auto;gap:12px;align-self:center}
.m6-role-thesis,.m6-delivery-thesis{display:grid;grid-template-columns:180px minmax(0,1fr) 150px;align-items:center;gap:16px;padding:13px 17px;border-radius:11px;background:#153b6d;color:#fff}.m6-role-thesis span,.m6-delivery-thesis span{color:#8fd0ff;font-size:11px;font-weight:900;letter-spacing:.08em}.m6-role-thesis strong,.m6-delivery-thesis strong{font-size:16px;line-height:1.4}.m6-role-thesis b,.m6-delivery-thesis b{text-align:right;color:#fff;font-size:13px}
.m6-upgrade-columns{display:grid;grid-template-columns:minmax(0,.78fr) 34px minmax(0,.88fr) 34px minmax(0,1.34fr);align-items:stretch;gap:8px}.m6-upgrade-columns>i,.m6-delivery-flow>i{display:grid;place-items:center;color:#2d68c5;font-size:25px;font-style:normal;font-weight:900}.m6-upgrade-columns section{display:grid;grid-template-rows:auto 1fr;padding:18px;border:1px solid #c6d7eb;border-radius:13px;background:#f8fbff}.m6-upgrade-columns section.now{border-color:#8eb9ea;background:#edf5ff}.m6-upgrade-columns section.target{border:2px solid #2d69c7;background:#f2f7ff}.m6-upgrade-columns header{padding-bottom:12px;border-bottom:1px solid #d3dfec}.m6-upgrade-columns small{display:block;color:#6b8098;font-size:11px;font-weight:900;letter-spacing:.08em}.m6-upgrade-columns strong{display:block;margin-top:6px;color:#153b61;font-size:19px}.m6-upgrade-columns ul{display:grid;align-content:start;gap:9px;margin:13px 0 0;padding:0;list-style:none}.m6-upgrade-columns li{position:relative;padding:9px 10px 9px 27px;border-radius:8px;background:#fff;color:#3c5873;font-size:14px;font-weight:700;line-height:1.35}.m6-upgrade-columns li::before{content:'✓';position:absolute;left:9px;color:#2371c9;font-weight:900}
.m6-three-abilities{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.m6-three-abilities article{display:grid;grid-template-columns:auto 1fr;align-items:center;gap:11px;padding:11px 13px;border-left:4px solid #2870c6;background:#edf4fd}.m6-three-abilities b{color:#145ca9;font-size:13px}.m6-three-abilities span{color:#405d78;font-size:12px;line-height:1.4}.m6-role-upgrade>.semantic-caption,.m6-delivery-gates>.semantic-caption{display:none!important}
.m6-delivery-flow{display:grid;grid-template-columns:1fr 34px 1fr 34px 1fr;align-items:stretch;gap:8px}.m6-delivery-flow section{display:grid;grid-template-rows:auto 1fr auto;gap:13px;padding:19px;border:1px solid #bdd0e5;border-top:5px solid #2a68b8;border-radius:13px;background:#fff}.m6-delivery-flow section.accept{border-color:#4d9d79;border-top-color:#15865a;background:#f3fbf7}.m6-delivery-flow header{display:flex;align-items:center;gap:12px}.m6-delivery-flow header>i{display:grid;place-items:center;width:38px;height:38px;border-radius:10px;background:#e7f1fd;color:#1767b8;font-style:normal;font-weight:900}.m6-delivery-flow small{display:block;color:#6c8198;font-size:11px;font-weight:900;letter-spacing:.06em}.m6-delivery-flow strong{display:block;margin-top:4px;color:#153b61;font-size:19px}.m6-delivery-flow p{margin:0;color:#49627a;font-size:14px;line-height:1.55}.m6-delivery-flow em{padding-top:10px;border-top:1px solid #d8e2ec;color:#9b3f3f;font-size:12px;font-style:normal;font-weight:700;line-height:1.4}.m6-acceptance-lines{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border:1px solid #bdd0e5;border-radius:10px;overflow:hidden}.m6-acceptance-lines article{display:grid;grid-template-columns:auto 1fr;grid-template-rows:auto auto;gap:4px 11px;padding:11px 14px;border-right:1px solid #d4e0ec;background:#f7faff}.m6-acceptance-lines article:last-child{border-right:0}.m6-acceptance-lines b{grid-row:1/3;color:#164d86;font-size:13px}.m6-acceptance-lines span{color:#3e5871;font-size:12px}.m6-acceptance-lines em{color:#9a4747;font-size:11px;font-style:normal}
.beijing-rd-walkthrough{height:100%;box-sizing:border-box;display:grid;grid-template-columns:245px 1fr;gap:18px}.beijing-rd-walkthrough .case{padding:26px 22px;border-radius:19px;background:#123a63;color:#fff;display:flex;flex-direction:column;justify-content:center}.beijing-rd-walkthrough .case span{color:#8dc8ff;font-weight:800}.beijing-rd-walkthrough .case b{font-size:23px;line-height:1.45;margin:14px 0}.beijing-rd-walkthrough .case p{margin:0;color:#dbeaf8;line-height:1.6}.beijing-rd-walkthrough ol{margin:0;padding:0;list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.beijing-rd-walkthrough li{position:relative;padding:18px 16px;border:1px solid #dbe6f1;border-radius:15px;background:#fff}.beijing-rd-walkthrough li i{position:absolute;right:12px;top:10px;color:#aac0d4;font-style:normal;font-weight:800}.beijing-rd-walkthrough li b{display:block;color:#1764b5;font-size:18px;margin-bottom:9px}.beijing-rd-walkthrough li p{margin:0;color:#4c647a;line-height:1.5}.beijing-rd-walkthrough .result{grid-column:1/-1;padding:14px 20px;border-radius:12px;background:#eaf3ff;color:#254b70;text-align:center;font-size:17px}.beijing-rd-walkthrough .result b{color:#115eaa;margin-right:8px}
.beijing-case-practice{height:100%;box-sizing:border-box;display:grid;grid-template-columns:repeat(4,1fr);gap:14px;align-content:center}.beijing-case-practice>section{padding:22px 19px;border:1px solid #dbe6f1;border-radius:17px;background:#fff}.beijing-case-practice>section.guard{border-color:#efb5ac;background:#fff6f4}.beijing-case-practice section span{color:#1a68bd;font-weight:800}.beijing-case-practice section strong{display:block;margin:12px 0;color:#163d62;font-size:19px;line-height:1.45}.beijing-case-practice section p{margin:0;color:#4c647a;line-height:1.55}.beijing-sixstep-run{grid-column:1/-1;display:flex;align-items:center;justify-content:center;gap:9px;padding:14px;border-radius:12px;background:#123a63;color:#fff}.beijing-sixstep-run b{color:#8ec9ff}.beijing-sixstep-run i{font-style:normal;color:#7fb8ec}.beijing-case-output{grid-column:1/-1;padding:13px 18px;border-radius:11px;background:#eaf3ff;color:#294f72;text-align:center}.beijing-case-output b{color:#1762b0}
.beijing-coding-difference{height:100%;box-sizing:border-box;display:grid;grid-template-columns:1fr 1fr;gap:18px;align-content:center}.beijing-coding-difference section{min-height:245px;padding:28px;border:1px solid #dbe6f1;border-radius:19px;background:#fff}.beijing-coding-difference section:first-child{border-color:#9ac8f4;background:#f4f9ff}.beijing-coding-difference section>span{color:#1b67b7;font-weight:900;letter-spacing:.09em}.beijing-coding-difference section strong{display:block;margin:13px 0 12px;color:#153b61;font-size:24px}.beijing-coding-difference section p{margin:0 0 18px;color:#4a637a;line-height:1.65}.beijing-coding-difference section b{display:block;color:#1762b0;line-height:1.5}.beijing-coding-difference>div{grid-column:1/-1;padding:16px 20px;border-radius:13px;background:#123a63;color:#fff;text-align:center;font-size:18px}.beijing-coding-difference>div b{margin-right:10px;color:#8cc8ff}
.beijing-prototype-practice{height:100%;min-height:505px;box-sizing:border-box;display:grid;grid-template-columns:repeat(4,1fr);grid-template-rows:1fr auto auto;gap:14px;align-content:stretch}.beijing-prototype-practice section{display:flex;flex-direction:column;min-height:190px;padding:22px 19px;border:1px solid #dbe6f1;border-radius:17px;background:#fff}.beijing-prototype-practice section i{display:inline-flex;width:34px;height:34px;align-items:center;justify-content:center;border-radius:10px;background:#eaf3ff;color:#1762b0;font-style:normal;font-weight:900}.beijing-prototype-practice section b{display:block;margin:13px 0 10px;color:#163d62;font-size:20px}.beijing-prototype-practice section p{margin:0;color:#4c647a;line-height:1.58}.beijing-prototype-practice .practice-future-note{grid-column:1/-1;margin:0;padding:13px 18px;border-left:4px solid #2e79c8;background:#f5f9fd;color:#365875;line-height:1.55}
@media (max-width:900px){.beijing-three-cases,.beijing-rd-walkthrough,.beijing-case-practice,.beijing-coding-difference,.beijing-prototype-practice{display:flex;min-height:0;flex-direction:column}.beijing-rd-walkthrough ol{grid-template-columns:1fr}.beijing-sixstep-run{flex-wrap:wrap}}
@media (max-width:900px){.m6-role-upgrade,.m6-delivery-gates{min-height:0;grid-template-rows:auto}.m6-role-thesis,.m6-delivery-thesis,.m6-upgrade-columns,.m6-delivery-flow,.m6-three-abilities,.m6-acceptance-lines{grid-template-columns:1fr}.m6-role-thesis b,.m6-delivery-thesis b{text-align:left}.m6-upgrade-columns>i,.m6-delivery-flow>i{transform:rotate(90deg)}.m6-upgrade-columns section,.m6-delivery-flow section{min-height:220px}.m6-three-abilities article,.m6-acceptance-lines article{border-right:0;border-bottom:1px solid #d4e0ec}}
@media print{.beijing-three-cases,.beijing-rd-walkthrough,.beijing-case-practice,.beijing-coding-difference,.beijing-prototype-practice{display:grid}}