:root{--bg:var(--dbt-paper);--surface:var(--dbt-surface);--surface2:#eef0f8;--tint:#e9ecfc;--tintT:#e9ecfc;--ink:var(--dbt-text);--ink2:#232948;--muted:var(--dbt-text-muted);--faint:#8d95b5;--line:var(--dbt-line);--line2:#d5d9ea;--indigo:var(--dbt-blue);--indigo-d:#2a3bb8;--teal:#2a3bb8;--grad:var(--dbt-grad-brand);--shadow:0 1px 2px #10142e0a, 0 8px 24px -12px #10142e1f;--shadow-lg:0 24px 60px -30px #3a4ee54d}.ic{stroke:currentColor;fill:none;stroke-width:1.9px;stroke-linecap:round;stroke-linejoin:round;vertical-align:-.12em;width:1em;height:1em}.crumb{color:#ffffff73;padding:18px 0 0;font-size:12.5px}.crumb a{color:#ffffffa6;text-decoration:none}.hero-dark{background:var(--grad);padding:56px 0 44px;position:relative;overflow:hidden}.hero-dark:after{content:"";opacity:.4;pointer-events:none;background-image:radial-gradient(#ffffff1f 1px,#0000 1px);background-size:16px 16px;position:absolute;inset:0}.hero-dark .wrap{z-index:1;position:relative}.course-page .hero-dark h1{color:#fff}.hero-dark .answer{border:1px solid #ffffff1f;border-left:3px solid var(--dbt-cyan);color:#ffffffe0;background:#ffffff12}.hero-dark .chip{color:#ffffffd9;background:#ffffff14;border-color:#ffffff29}.hero-dark .chip .ic{color:var(--dbt-cyan)}.hero-grid{grid-template-columns:1fr 420px;align-items:center;gap:64px;display:grid}.hero-grid.solo{grid-template-columns:1fr}@media (max-width:900px){.hero-grid{grid-template-columns:1fr;gap:28px}}.hero-poster{aspect-ratio:1;border:1px solid #ffffff29;border-radius:18px;position:relative;overflow:hidden;box-shadow:0 30px 60px -24px #0000008c}.hero-poster img{object-fit:cover;width:100%;height:100%;display:block}.hero-poster:before,.hero-poster:after{content:"+ +";font-family:var(--font-jura), sans-serif;letter-spacing:5px;color:var(--dbt-cyan);z-index:2;font-size:13px;font-weight:700;position:absolute}.hero-poster:before{top:10px;left:12px}.hero-poster:after{color:#fff;bottom:10px;right:12px}@media (max-width:900px){.hero-poster{max-width:360px}}.layout{grid-template-columns:1fr 420px;align-items:start;gap:64px;padding:14px 0 70px;display:grid}@media (max-width:960px){.layout{grid-template-columns:1fr}}.badges{flex-wrap:wrap;gap:8px;margin-bottom:14px;display:flex}.badge{border-radius:999px;align-items:center;gap:6px;padding:5px 11px;font-size:11.5px;font-weight:700;display:inline-flex}.badge.official{background:var(--tint);color:var(--indigo-d)}.badge.mode{background:var(--tintT);color:var(--teal)}.badge.hot{color:#6b5d00;background:#fdf6cf}.course-page h1{letter-spacing:-.025em;color:var(--ink);margin-bottom:14px;font-size:clamp(26px,4vw,38px);font-weight:800;line-height:1.12}.answer{color:var(--ink2);background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--teal);border-radius:0 12px 12px 0;margin-bottom:18px;padding:14px 18px;font-size:16.5px}.chips{flex-wrap:wrap;gap:10px;margin-bottom:8px;display:flex}.chip{color:var(--ink2);background:var(--surface);border:1px solid var(--line);border-radius:10px;align-items:center;gap:7px;padding:8px 13px;font-size:13px;font-weight:500;display:inline-flex}.chip .ic{color:var(--indigo)}section.s{padding:26px 0 4px}.course-page h2{letter-spacing:-.015em;color:var(--ink);align-items:center;gap:10px;margin-bottom:14px;font-size:20px;font-weight:700;display:flex}.course-page h2 .n{background:var(--tint);width:30px;height:30px;color:var(--indigo);border-radius:9px;flex:none;place-items:center;font-size:14px;display:grid}.learn2{grid-template-columns:1fr 1fr;gap:14px;display:grid}@media (max-width:640px){.learn2{grid-template-columns:1fr}}.lcard{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:22px 24px;transition:transform .35s,box-shadow .35s,border-color .3s;position:relative;overflow:hidden}.lcard:hover{border-color:#cdd4ec;transform:translateY(-4px);box-shadow:0 26px 52px -26px #10142e38}.lcard:after{content:"";background:linear-gradient(90deg, var(--dbt-blue), var(--dbt-cyan));transform-origin:0;height:3px;transition:transform .45s;position:absolute;top:0;left:0;right:0;transform:scaleX(0)}.lcard:hover:after{transform:scaleX(1)}.lcard .lic{background:#3a4ee517;border:1px solid #3a4ee52e;border-radius:13px;place-items:center;width:44px;height:44px;margin-bottom:14px;transition:transform .35s,background .3s;display:grid}.lcard:hover .lic{background:#3a4ee524;transform:scale(1.12)rotate(-4deg)}.lcard .lic .ic{width:20px;height:20px;color:var(--indigo)}.lcard b{font-family:var(--font-jura), sans-serif;color:var(--ink);margin-bottom:6px;font-size:15.5px;font-weight:700;line-height:1.25;display:block}.lcard p{color:var(--muted);font-size:13px;line-height:1.6}.journey{padding-left:34px;position:relative}.journey:before{content:"";background:linear-gradient(180deg, var(--dbt-blue), var(--dbt-cyan) 60%, var(--dbt-green));border-radius:99px;width:2.5px;position:absolute;top:14px;bottom:14px;left:12px}.jstep{background:var(--surface);border:1px solid var(--line);border-radius:16px;margin-bottom:14px;padding:20px 24px;transition:transform .3s,box-shadow .3s,border-color .3s;position:relative}.jstep:hover{box-shadow:var(--shadow);border-color:#cdd4ec;transform:translate(5px)}.jstep:before{content:"";border:3px solid var(--indigo);background:#fff;border-radius:50%;width:12px;height:12px;position:absolute;top:26px;left:-28px;box-shadow:0 0 0 4px #3a4ee524}.jstep.mid:before{border-color:var(--dbt-cyan);box-shadow:0 0 0 4px #31dcf029}.jstep.goal:before{border-color:var(--dbt-green);background:var(--dbt-green);box-shadow:0 0 0 4px #94e87b33}.jstep .jtag{font-family:var(--font-jura), sans-serif;letter-spacing:.12em;text-transform:uppercase;color:var(--indigo-d);margin-bottom:4px;font-size:10.5px;font-weight:700;display:block}.jstep h3{font-family:var(--font-jura), sans-serif;color:var(--ink);margin-bottom:6px;font-size:16.5px;font-weight:700}.jstep p{color:var(--muted);max-width:70ch;font-size:13.5px;line-height:1.65}.jstep ul{color:var(--muted);margin:0;padding-left:18px;font-size:13.5px;line-height:1.65}.jstep .jmeta{flex-wrap:wrap;gap:8px;margin-top:12px;display:flex}.jstep .jmeta span{color:var(--ink2);background:var(--bg);border:1px solid var(--line);border-radius:999px;align-items:center;gap:6px;padding:5px 12px;font-size:11.5px;font-weight:600;display:inline-flex}.jstep .jmeta .ic{color:var(--indigo)}.jstep.goal{background:var(--grad);color:#fff;border:none;overflow:hidden}.jstep.goal:after{content:"";opacity:.4;pointer-events:none;background-image:radial-gradient(#ffffff1f 1px,#0000 1px);background-size:14px 14px;position:absolute;inset:0}.jstep.goal .jtag{color:var(--dbt-cyan)}.jstep.goal h3{color:#fff}.jstep.goal p{color:#ffffffbf}details{background:var(--surface);border:1px solid var(--line);border-radius:12px;margin-bottom:9px;overflow:hidden}summary{cursor:pointer;color:var(--ink);justify-content:space-between;align-items:center;padding:14px 16px;font-size:14.5px;font-weight:600;list-style:none;display:flex}summary::-webkit-details-marker{display:none}summary:after{content:"+";color:var(--faint);font-size:19px;font-weight:400}details[open] summary:after{content:"–"}details .body{color:var(--muted);padding:0 16px 15px;font-size:14px}details .body ul{margin:0;padding-left:18px}details .body li{margin-bottom:5px;margin-left:0}.profs{grid-template-columns:1fr 1fr;gap:16px;display:grid}@media (max-width:820px){.profs{grid-template-columns:1fr}}.prof{background:var(--surface);border:1px solid var(--line);border-radius:18px;grid-template-columns:150px 1fr;transition:transform .35s,box-shadow .35s,border-color .3s;display:grid;position:relative;overflow:hidden}.prof:hover{border-color:#cdd4ec;transform:translateY(-4px);box-shadow:0 26px 52px -26px #10142e40}.prof:after{content:"";background:linear-gradient(90deg, var(--dbt-blue), var(--dbt-cyan));transform-origin:0;z-index:2;height:3px;transition:transform .45s;position:absolute;top:0;left:0;right:0;transform:scaleX(0)}.prof:hover:after{transform:scaleX(1)}@media (max-width:480px){.prof{grid-template-columns:110px 1fr}}.prof .ph{border-right:1px solid var(--line);background:linear-gradient(160deg,#eef1fb,#fff);min-height:172px;position:relative;overflow:hidden}.prof .ph img{object-fit:cover;object-position:center 15%;width:100%;height:100%;transition:transform .5s;position:absolute;inset:0}.prof:hover .ph img{transform:scale(1.04)}.prof .ph .pc{font-family:var(--font-jura), sans-serif;color:#ffffffe6;letter-spacing:4px;text-shadow:0 1px 8px #00000073;z-index:1;font-size:10px;font-weight:700;position:absolute;bottom:8px;left:10px}.prof .bd2{flex-direction:column;justify-content:center;gap:7px;padding:18px 20px;display:flex}.prof .role{font-family:var(--font-jura), sans-serif;letter-spacing:.14em;text-transform:uppercase;color:var(--teal);font-size:10px;font-weight:700}.prof .role:before{content:"+ "}.prof b{font-family:var(--font-jura), sans-serif;color:var(--ink);font-size:16.5px;line-height:1.2;display:block}.prof .sub2{color:var(--muted);font-size:12.5px;line-height:1.55}.prof .sub2 .rte{max-width:none;font-size:12.5px}.prof .sub2 strong{color:var(--ink);font-weight:600}.prof .seal2{color:var(--teal);background:#3a4ee514;border:1px solid #3a4ee529;border-radius:999px;align-self:flex-start;align-items:center;gap:7px;margin-top:4px;padding:4px 11px;font-size:10.5px;font-weight:700;display:inline-flex}.prof .seal2 i{background:#2f9e44;border-radius:50%;width:6px;height:6px}.tgrid{grid-template-columns:1fr 1fr;gap:16px;display:grid}@media (max-width:820px){.tgrid{grid-template-columns:1fr}}.tst{background:var(--surface);border:1px solid var(--line);border-radius:18px;flex-direction:column;padding:26px 26px 22px;transition:transform .35s,box-shadow .35s,border-color .3s;display:flex;position:relative;overflow:hidden}.tst:hover{border-color:#cdd4ec;transform:translateY(-4px);box-shadow:0 26px 52px -26px #10142e40}.tst .qm{font-family:var(--font-jura), sans-serif;color:#3a4ee514;pointer-events:none;font-size:110px;font-weight:700;line-height:1;position:absolute;top:-18px;right:14px}.tst p{color:var(--ink);flex:1;font-size:14px;line-height:1.7;position:relative}.tst .who2{border-top:1px solid var(--line);align-items:center;gap:12px;margin-top:18px;padding-top:16px;display:flex}.tst .who2 img{object-fit:cover;object-position:center 20%;border:2px solid #fff;border-radius:50%;width:44px;height:44px;box-shadow:0 6px 16px -6px #10142e4d}.tst .who2 b{color:var(--ink);font-size:13px;display:block}.tst .who2 span{color:var(--muted);font-size:11.5px}.tst.hero-t{background:var(--grad);color:#fff;border:none;grid-column:1/-1}.tst.hero-t .qm{color:#ffffff1a}.tst.hero-t p{color:#fff;font-family:var(--font-jura), sans-serif;max-width:60ch;font-size:clamp(16px,1.7vw,21px);font-weight:500;line-height:1.55}.tst.hero-t .who2{border-top-color:#ffffff29}.tst.hero-t .who2 b{color:#fff}.tst.hero-t .who2 span{color:#fff9}.duo{grid-template-columns:1fr 1fr;gap:14px;display:grid}@media (max-width:640px){.duo{grid-template-columns:1fr}}.panel{background:var(--surface);border:1px solid var(--line);border-radius:13px;padding:18px}.panel h3{color:var(--ink);margin-bottom:9px;font-size:14.5px}.panel .rte{max-width:none;font-size:13.5px}.panel ul{color:var(--muted);flex-direction:column;gap:7px;margin:0;padding:0;font-size:13.5px;list-style:none;display:flex}.panel li{padding-left:22px;position:relative}.panel li .ic{color:var(--teal);position:absolute;top:.25em;left:0}.steps{flex-direction:column;gap:0;display:flex}.step{gap:14px;padding-bottom:16px;display:flex;position:relative}.step:not(:last-child):before{content:"";background:var(--line2);width:2px;position:absolute;top:34px;bottom:0;left:15px}.step .sn{background:var(--grad);color:#fff;z-index:1;border-radius:50%;flex:none;place-items:center;width:32px;height:32px;font-size:13px;font-weight:800;display:grid}.step b{color:var(--ink);font-size:14px;display:block}.step span{color:var(--muted);font-size:13px}.buy{background:var(--surface);border:1px solid var(--line2);box-shadow:var(--shadow-lg);border-radius:18px;position:sticky;top:80px;overflow:hidden}.buy .head{background:var(--grad);color:#fff;justify-content:space-between;align-items:center;padding:14px 20px;font-size:12.5px;font-weight:700;display:flex}.buy .bd{padding:20px}.lot{border:1.5px solid var(--line);border-radius:11px;justify-content:space-between;align-items:center;margin-bottom:8px;padding:11px 14px;font-size:13px;display:flex}.lot .nm{color:var(--ink);font-size:13px;font-weight:700;display:block}.lot .dl{color:var(--muted);font-size:11.5px}.lot .pr{color:var(--ink);font-size:15px;font-weight:800}.lot.past{opacity:.5}.lot.past .pr,.lot.past .nm{text-decoration:line-through}.lot.now{border-color:var(--indigo);background:#f4f6ff;position:relative;box-shadow:0 6px 18px -10px #3a4ee559}.lot.now:before{content:attr(data-tag);letter-spacing:.06em;text-transform:uppercase;background:var(--indigo);color:#fff;border-radius:999px;padding:2px 8px;font-size:9.5px;font-weight:800;position:absolute;top:-8px;left:12px}.count{color:var(--muted);background:var(--surface2);border-radius:10px;justify-content:center;align-items:center;gap:8px;margin:12px 0;padding:9px;font-size:12.5px;font-weight:500;display:flex}.count .ic{color:var(--indigo)}.count b,.count span{color:var(--ink);font-weight:700}.big-price{text-align:center;margin:10px 0 2px}.big-price .v{color:var(--ink);letter-spacing:-.02em;font-size:31px;font-weight:800}.big-price .p{color:var(--muted);font-size:13px}.cta{background:var(--grad);color:#fff;text-align:center;cursor:pointer;border:none;border-radius:12px;width:100%;margin:12px 0 10px;padding:15px;font-size:15.5px;font-weight:700;text-decoration:none;transition:filter .2s,transform .2s,box-shadow .2s;display:block;box-shadow:0 12px 28px -14px #1c26648c}.cta:hover{filter:brightness(1.12);transform:translateY(-1px)}.pay-icons{color:var(--muted);justify-content:center;gap:14px;margin-bottom:12px;font-size:11.5px;display:flex}.pay-icons span{align-items:center;gap:5px;display:flex}.assure{color:var(--muted);border-top:1px solid var(--line);flex-direction:column;gap:6px;padding-top:12px;font-size:11.5px;display:flex}.assure div{align-items:flex-start;gap:7px;display:flex}.assure .ic{color:var(--indigo);flex:none;margin-top:.2em}.mini-steps{border-top:1px solid var(--line);margin-top:14px;padding-top:18px}.mini-steps h2{margin-bottom:16px;font-size:16px}.mini-steps .step{padding-bottom:14px}.mini-steps .step:last-child{padding-bottom:0}.mini-steps .step b{font-size:13px}.mini-steps .step span{font-size:12px}.mobile-bar{z-index:70;background:var(--surface);border-top:1px solid var(--line2);align-items:center;gap:12px;padding:10px 16px;display:none;position:fixed;bottom:0;left:0;right:0;box-shadow:0 -8px 24px #10172914}.mobile-bar .p b{color:var(--ink);font-size:17px}.mobile-bar .p span{color:var(--muted);font-size:10.5px;display:block}.mobile-bar .cta{flex:1;margin:0;padding:12px}@media (max-width:960px){.mobile-bar{display:flex}.buy{position:static}}.rte{color:var(--dbt-text);max-width:72ch;font-size:15px;line-height:1.75}.rte p{margin:0 0 14px}.rte p:last-child{margin-bottom:0}.rte ul,.rte ol{margin:0 0 14px;padding-left:20px}.rte li{margin-bottom:6px}.rte a{color:var(--dbt-blue);text-underline-offset:2px;text-decoration:underline}.rte strong{font-weight:700}.rte h2,.rte h3,.rte h4{font-family:var(--font-jura), sans-serif;color:var(--dbt-text);margin:20px 0 10px}