body.arsenal-home{margin:0;background:#00111f}.orb{--bg:#00111f;--panel:#051b2b;--line:#154258;--text:#f4f7ff;--muted:#a0b8cf;--blue:#25e5f5;--gold:#ffd18c;background:var(--bg);color:var(--text);font-family:"Segoe UI","Microsoft YaHei",sans-serif;font-size:14px;line-height:1.65;overflow:hidden;text-align:left}.orb *{box-sizing:border-box}.orb a{color:inherit;text-decoration:none}.orb button,.orb input{font:inherit}.orb button{cursor:pointer}.orb a,.orb button,.orb input{outline-offset:4px}.orb :focus-visible{outline:2px solid var(--blue)}.orb [hidden]{display:none!important}.orb h1,.orb h2,.orb h3{color:var(--text)}.orb-container{width:min(1240px,calc(100% - 48px));margin:auto}.orb-header{position:relative;z-index:3;border-bottom:1px solid #1e668a88;background:#00101fde}.orb-nav-wrap{width:min(1240px,calc(100% - 48px));margin:auto;height:74px;display:flex;align-items:center;justify-content:space-between;gap:24px}.orb-brand{display:flex;align-items:center;gap:13px;white-space:nowrap}.orb-brand b{font-size:43px;line-height:1;color:#49c4ff;font-style:italic;text-shadow:0 0 23px #039aff8a;letter-spacing:1px}.orb-brand strong{font-size:24px;letter-spacing:2px}.orb-header nav{display:flex;align-items:center;gap:30px;font-size:13px}.orb-header nav a:hover{color:var(--blue)}.orb-nav-actions{display:flex;align-items:center;gap:20px;white-space:nowrap}.orb-search-icon{font-size:29px}.orb-user{border-radius:50%;background:#193c5b;width:32px;height:32px;display:grid;place-items:center;color:#c5dbef!important;font-size:24px}.orb-member{border:1px solid #eaba78;color:var(--gold)!important;box-shadow:0 0 17px #e4b56b22,inset 0 0 12px #ecc27a13;padding:7px 17px;border-radius:30px;font-size:12px}.orb-hero{position:relative;margin-top:-74px;padding-top:74px;min-height:610px;background:linear-gradient(90deg,#00101c55,transparent 80%),linear-gradient(0deg,#00111f 0%,#00111f00 30%),url('hero-space.png') center 44%/cover no-repeat}.orb-hero>.orb-container{position:relative;padding-top:60px;padding-bottom:75px}.orb-hero-copy{position:relative;z-index:1;max-width:770px}.orb-kicker{font-size:15px;color:#c1d7ee;margin:0 0 16px}.orb-kicker span{color:var(--blue)}.orb-hero h1{font-size:clamp(40px,4.5vw,66px);line-height:1.22;letter-spacing:2px;font-weight:800;margin:0;text-shadow:0 4px 15px #00101e}.orb-hero h1 em{font-style:normal;color:#9becff}.orb-hero h1 span{color:var(--blue)}.orb-hero h2{font-size:23px;letter-spacing:5px;margin:19px 0 27px;font-weight:600}.orb-search{display:flex;align-items:center;max-width:740px;padding:5px;gap:14px;border:1px solid #9df6ff;border-radius:40px;background:#001323cc;box-shadow:0 0 13px #23dbfc66,inset 0 0 20px #1888bd25}.orb-search>span{font-size:30px;line-height:1;margin-left:19px;color:#e8fbff}.orb-search input{min-width:0;flex:1;border:0!important;background:transparent!important;color:var(--text)!important;box-shadow:none!important;padding:11px 0;font-size:14px}.orb-search input::placeholder{color:#a6b7c9}.orb-search button{color:#00131d;border:0;background:linear-gradient(110deg,#1effef,#27bdf2);font-weight:700;border-radius:30px;padding:15px 32px;white-space:nowrap;box-shadow:0 0 20px #19def455}.orb-hotwords{display:flex;gap:9px;align-items:center;flex-wrap:wrap;margin-top:22px;font-size:12px}.orb-hotwords b{color:#c5d7e9}.orb-hotwords a{padding:3px 12px;border:1px solid #146079;border-radius:30px;color:#85d9ee;background:#00152599}.orb-hotwords a:hover{border-color:var(--blue);color:#fff}.orb-hero-caption{position:absolute;right:16px;top:45px;letter-spacing:8px;line-height:2.4;font-size:15px;color:#4fe6ff;text-shadow:0 0 12px #19a9fa}.orb-paths{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:19px;margin-top:-30px;position:relative;z-index:2}.orb-path{display:flex;align-items:center;gap:18px;border:1px solid #205571;border-radius:10px;padding:27px 22px;background:linear-gradient(120deg,#031625ed,#06304adc);box-shadow:inset 0 0 26px #0092c112;transition:transform .2s,border-color .2s}.orb-path:hover{border-color:var(--blue);transform:translateY(-3px)}.orb-path-icon{font-size:48px;line-height:1;color:var(--blue);text-shadow:0 0 16px #15dffaaa}.orb-path h3{font-size:16px;margin:0 0 5px;white-space:nowrap}.orb-path p{font-size:11px;color:var(--muted);margin:0;white-space:nowrap}.orb-path>b{font-size:32px;margin-left:auto;color:var(--blue);font-weight:400;align-self:end;line-height:.7}.orb-path:last-child{background:linear-gradient(110deg,#061a2e,#3e3329);border-color:#967f5c}.orb-path:last-child .orb-path-icon,.orb-path:last-child>b{color:var(--gold);text-shadow:0 0 18px #eebd77aa}.orb-content-layout{display:grid;grid-template-columns:minmax(0,1fr) 275px;gap:24px;padding-top:34px;scroll-margin-top:30px}.orb-section-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:8px 0 15px}.orb-section-heading h2{font-size:29px;margin:0 0 7px;font-weight:750;letter-spacing:1px}.orb-section-heading h2>span{color:var(--blue);font-size:30px;margin-right:9px;text-shadow:0 0 14px #26d9ee55}.orb-section-heading p{font-size:13px;color:#a3c2e2;margin:0}.orb-section-heading>button{background:#052539;border:0;color:#75def7;white-space:nowrap;border-radius:30px;font-size:11px;padding:6px 12px}.orb-filters{display:flex;gap:7px;flex-wrap:wrap;margin:15px 0 8px}.orb-filters a,.orb-filters button{background:transparent;border:1px solid #13455b;border-radius:5px;padding:4px 10px;font-size:11px;color:#9bc4da}.orb-filters .active,.orb-filters a:hover{color:var(--blue);border-color:#29acc3;background:#033247}.orb-results{display:flex;justify-content:space-between;color:#668da9;font-size:10px;margin:10px 0 14px}.orb-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.orb-card{border:1px solid #17445d;border-radius:11px;overflow:hidden;background:linear-gradient(135deg,#061a2c,#031827);transition:transform .2s,border-color .2s,box-shadow .2s}.orb-card:hover{transform:translateY(-5px);border-color:#2fc1de;box-shadow:0 8px 25px #00101c,0 0 20px #21bddd15}.orb-cover{display:block;position:relative;aspect-ratio:1.6;overflow:hidden;background-image:url('course-covers.png');background-size:300% 200%;background-repeat:no-repeat;background-color:#0b2a43}.cover-0{background-position:0 0}.cover-1{background-position:50% 0}.cover-2{background-position:100% 0}.cover-3{background-position:0 100%}.cover-4{background-position:50% 100%}.cover-5{background-position:100% 100%}.orb-cover>img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}.orb-card-tag{position:absolute;top:10px;left:10px;padding:3px 10px;color:#001725;background:linear-gradient(100deg,#37f3ea,#35bded);border-radius:7px;font-size:11px;font-weight:650;box-shadow:0 0 16px #20c7e744}.orb-card-body{padding:13px 13px 12px}.orb-card h3{font-size:14px;font-weight:650;line-height:1.65;margin:0 0 8px;min-height:46px}.orb-card h3 a:hover{color:var(--blue)}.orb-card p{font-size:11px;line-height:1.8;margin:0 0 13px;color:#a8c5df;min-height:40px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.orb-card-bottom{display:flex;align-items:center;gap:7px;color:#afcce3;font-size:10px;min-height:27px}.orb-save{background:none;border:0;color:#b1ddf1;font-size:22px;padding:0 4px;line-height:1;margin-left:auto}.orb-save[aria-pressed=true]{color:var(--gold)}.orb-price{background:linear-gradient(100deg,#ffe0aa,#efbb77);border-radius:20px;padding:3px 10px;font-size:10px;font-weight:650;color:#1d1b17;white-space:nowrap;box-shadow:0 0 16px #eab66522}.orb-ranking{border:1px solid #184056;background:linear-gradient(130deg,#0c2234,#041725);border-radius:12px;padding:18px 14px;height:fit-content}.orb-ranking h2{font-size:20px;margin:0 0 5px}.orb-ranking h2>span{color:#ffc47d;font-size:25px;margin-right:9px}.orb-rank-note{font-size:10px;color:#7397b1;margin:0 0 18px 34px}.orb-ranking ol{list-style:none;padding:0;margin:0}.orb-ranking li{display:flex;gap:10px;align-items:center;margin-bottom:18px}.orb-ranking li:last-child{margin-bottom:0}.orb-rank-num{font-size:16px;color:#9dbdd8;width:18px;text-align:center;flex-shrink:0}.orb-ranking li:nth-child(-n+3) .orb-rank-num{background:var(--gold);border-radius:50%;color:#10202e;font-size:12px;line-height:20px;box-shadow:0 0 10px #fac67b33}.orb-rank-thumb{flex:0 0 61px;width:61px;height:65px;aspect-ratio:auto;border:1px solid #1b5370;border-radius:8px;background-size:500% 200%}.orb-ranking li>div{min-width:0}.orb-ranking li>div>a{font-size:11px;line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.orb-ranking li>div>span{display:block;color:#92b5d4;font-size:10px;margin-top:5px}.orb-pagination{display:flex;justify-content:center;gap:10px;margin:24px 0}.orb-pagination>a,.orb-pagination>span{padding:4px 12px;border:1px solid #1d4f68;border-radius:5px}.orb-pagination .current{background:#0a3a51;color:var(--blue)}.orb-empty{border:1px dashed #1c526b;padding:30px;text-align:center;color:var(--muted)}.orb-stat-zone{margin-top:36px;border-top:1px solid #1d4a60;border-radius:70px 70px 0 0;position:relative;background:linear-gradient(#00111f55,#00111f66),url('hero-space.png') center 83%/cover no-repeat;padding:28px 0 22px}.orb-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:30px;padding:6px 20px 53px}.orb-stats>div{display:flex;gap:18px;align-items:center;position:relative}.orb-stats>div+div:before{content:"";position:absolute;left:-18px;top:20px;height:57px;width:1px;background:#194256}.orb-stats i{font-style:normal;display:grid;place-items:center;width:63px;height:63px;flex-shrink:0;border:1px solid #19516a;border-radius:50%;color:var(--blue);font-size:30px;background:#001526a8}.orb-stats p{margin:0}.orb-stats b{display:block;font-size:26px;line-height:1.3}.orb-stats span{display:block;font-size:12px;margin-top:4px}.orb-stats small{display:block;font-size:10px;color:#a8bed5;margin-top:4px}.orb-banner{display:flex;align-items:center;gap:20px;background:linear-gradient(100deg,#001321ed,#002640c9);border:1px solid #123d57;border-radius:14px;padding:35px 42px;box-shadow:0 0 40px #00101c55}.orb-banner h2{font-size:27px;margin:0 0 6px;font-weight:750}.orb-banner p{font-size:13px;color:#acc9e1;margin:0}.orb-gold{display:inline-block;text-align:center;background:linear-gradient(110deg,#ffe0a5,#efbd78);border:1px solid #ffe4b5;border-radius:30px;padding:13px 27px;white-space:nowrap;color:#161e26!important;font-weight:700;box-shadow:0 0 27px #f4be7166;margin-left:auto}.orb-benefits{display:inline-block;border:1px solid #5d8ca7;color:#b6d7ed!important;border-radius:30px;padding:13px 24px;white-space:nowrap;font-size:12px}.orb-footer{display:flex;justify-content:space-between;gap:15px;padding:22px max(24px,calc((100% - 1240px)/2));font-size:10px;color:#6388a5}.orb-toast{position:fixed;bottom:30px;left:50%;transform:translate(-50%,20px);opacity:0;pointer-events:none;background:#c4f7ff;color:#002235;padding:12px 24px;max-width:90%;border:1px solid #4addf4;box-shadow:0 0 25px #11c1e544;border-radius:8px;transition:.2s;z-index:99999}.orb-toast.visible{opacity:1;transform:translate(-50%,0)}.orb-detail{padding:40px max(24px,calc((100% - 1200px)/2));min-height:70vh}.orb-detail article{max-width:850px;margin:30px auto}.orb-detail h1{font-size:40px}.orb-detail-actions{display:flex;gap:20px;align-items:center;margin:25px 0}.orb-primary{display:inline-block;padding:12px 24px;background:var(--blue);color:#002132!important;border-radius:30px}.orb-detail-actions .orb-save{margin-left:0}.orb-eyebrow{color:var(--blue);font:11px Consolas,monospace;letter-spacing:2px}.orb-subtle{color:var(--muted)}.orb-prose{line-height:1.9;font-size:16px;overflow-wrap:anywhere}.orb-prose img{max-width:100%;height:auto}.orb-prose a{color:var(--blue);text-decoration:underline}
@media(min-width:1500px){.orb-hero{min-height:660px}.orb-hero>.orb-container{padding-top:85px}}@media(max-width:1150px){.orb-header nav{gap:18px;font-size:12px}.orb-nav-actions{gap:12px}.orb-brand strong{font-size:21px}.orb-brand b{font-size:37px}.orb-path{padding:24px 15px;gap:12px}.orb-path-icon{font-size:38px}.orb-path h3{font-size:14px}.orb-path p{font-size:10px}.orb-content-layout{grid-template-columns:minmax(0,1fr) 245px;gap:18px}.orb-grid{gap:16px}.orb-banner{padding:30px 26px;flex-wrap:wrap}.orb-banner h2{font-size:24px}.orb-gold{margin-left:0}.orb-stats{gap:22px}.orb-stats i{width:52px;height:52px}.orb-stats>div{gap:12px}.orb-stats b{font-size:23px}.orb-hero-caption{right:10px}}@media(max-width:900px){.orb-header nav{order:3;width:100%;justify-content:space-between}.orb-nav-wrap{flex-wrap:wrap;height:auto;padding:16px 0;gap:12px}.orb-hero{margin-top:-118px;padding-top:118px;min-height:590px;background-position:58% center}.orb-hero-caption{display:none}.orb-kicker{font-size:12px}.orb-hero h1{font-size:51px}.orb-hero h2{font-size:19px}.orb-hero-copy{max-width:660px}.orb-paths{grid-template-columns:repeat(2,minmax(0,1fr))}.orb-path{padding:22px}.orb-content-layout{grid-template-columns:1fr}.orb-ranking ol{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:17px}.orb-ranking li{margin:0}.orb-grid{gap:16px}.orb-section-heading h2{font-size:26px}.orb-stats{grid-template-columns:repeat(2,minmax(0,1fr));padding-bottom:35px;gap:25px}.orb-stats>div+div:before{display:none}.orb-ranking{margin-bottom:5px}.orb-stat-zone{border-radius:40px 40px 0 0}.orb-banner>div{width:100%}.orb-banner .orb-gold{margin-left:0}}@media(max-width:580px){.orb-container,.orb-nav-wrap{width:calc(100% - 32px)}.orb-brand b{font-size:34px}.orb-brand strong{font-size:18px;letter-spacing:1px}.orb-nav-actions{gap:10px}.orb-member{padding:5px 10px;font-size:10px}.orb-search-icon,.orb-user{display:none}.orb-header nav{gap:8px;font-size:10px;overflow:auto;white-space:nowrap}.orb-hero{background-position:63% center;min-height:545px}.orb-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#00101d99,#00101d22)}.orb-hero>.orb-container{padding-top:50px;padding-bottom:65px}.orb-kicker{font-size:10px;max-width:290px;line-height:1.9;margin-bottom:15px}.orb-hero h1{font-size:39px;letter-spacing:0;line-height:1.28}.orb-hero h2{font-size:14px;letter-spacing:3px;margin:16px 0 23px}.orb-search{gap:8px;padding:4px}.orb-search>span{font-size:25px;margin-left:10px}.orb-search input{font-size:11px;padding:10px 0}.orb-search button{font-size:11px;padding:12px 15px}.orb-hotwords{gap:6px;font-size:9px;margin-top:17px}.orb-hotwords a{padding:3px 8px}.orb-paths{gap:10px;margin-top:-22px}.orb-path{padding:17px 12px;gap:10px;border-radius:8px}.orb-path-icon{font-size:30px}.orb-path h3{font-size:12px}.orb-path p{font-size:9px;white-space:normal}.orb-path>b{display:none}.orb-content-layout{padding-top:25px}.orb-section-heading{align-items:start;gap:6px}.orb-section-heading h2{font-size:23px;letter-spacing:0}.orb-section-heading h2>span{font-size:23px;margin-right:3px}.orb-section-heading p{font-size:10px;max-width:250px}.orb-section-heading>button{font-size:9px;padding:5px 8px;margin-top:8px}.orb-filters{gap:5px}.orb-filters a,.orb-filters button{font-size:10px;padding:3px 8px}.orb-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.orb-card{border-radius:8px}.orb-cover{aspect-ratio:1.3}.orb-card-tag{font-size:8px;top:7px;left:6px;padding:2px 6px;border-radius:4px}.orb-card-body{padding:10px}.orb-card h3{font-size:11px;line-height:1.7;min-height:38px}.orb-card p{font-size:9px;line-height:1.8;min-height:33px;margin-bottom:10px}.orb-card-bottom{font-size:8px;gap:3px;flex-wrap:wrap}.orb-price{font-size:8px;padding:2px 7px}.orb-save{font-size:18px;padding:0 2px}.orb-ranking{padding:16px 12px}.orb-ranking ol{gap:15px 10px}.orb-ranking li{gap:6px}.orb-rank-num{width:15px;font-size:13px}.orb-ranking li:nth-child(-n+3) .orb-rank-num{font-size:10px;line-height:16px}.orb-rank-thumb{flex-basis:43px;width:43px;height:49px}.orb-ranking li>div>a{font-size:9px}.orb-ranking li>div>span{font-size:8px;margin-top:3px}.orb-stat-zone{margin-top:25px;border-radius:30px 30px 0 0;padding-top:23px}.orb-stats{padding-left:0;padding-right:0;gap:25px 16px}.orb-stats i{width:43px;height:43px;font-size:23px}.orb-stats b{font-size:20px}.orb-stats span{font-size:10px}.orb-stats small{font-size:8px}.orb-stats>div{gap:9px}.orb-banner{padding:24px 20px;gap:13px}.orb-banner h2{font-size:20px}.orb-banner p{font-size:10px;line-height:1.9}.orb-gold{font-size:11px;padding:11px 17px}.orb-benefits{font-size:10px;padding:11px 17px}.orb-footer{padding:20px 16px;flex-wrap:wrap;font-size:9px}.orb-detail{padding:25px 16px}.orb-detail h1{font-size:30px}}@media(prefers-reduced-motion:reduce){.orb *{transition:none!important;animation:none!important;scroll-behavior:auto!important}}

body{margin:0;background:#00111f}.orb-hero{margin-top:0;padding-top:0}.arsenal-menu{display:flex;gap:20px;list-style:none;margin:0;padding:0}.arsenal-menu li{position:relative}.arsenal-menu .sub-menu{display:none;position:absolute;background:#062439;padding:14px;min-width:140px;z-index:9;list-style:none}.arsenal-menu li:hover>.sub-menu,.arsenal-menu li:focus-within>.sub-menu{display:block}.arsenal-skip{position:fixed;left:20px;top:-100px;z-index:99999;background:#c6f7ff;color:#00111f;padding:12px}.arsenal-skip:focus{top:10px}.orb-detail input,.orb-detail textarea{max-width:100%;padding:10px;border:1px solid #31546b;border-radius:5px;background:#08283b;color:#fff}.orb-detail input[type=submit]{cursor:pointer;background:#25e5f5;color:#002132;border:0}.orb-detail textarea{width:100%}.orb-detail label{display:block}.orb-detail img{max-width:100%;height:auto}.arsenal-comments{max-width:850px;margin:auto}.arsenal-comments .comment-list{padding-left:20px}.arsenal-comments .comment-body{padding:15px 0;border-bottom:1px solid #17445d}.arsenal-articles>article{padding-bottom:30px;border-bottom:1px solid #17445d}.orb-detail .nav-links{display:flex;gap:20px;margin:25px 0}.orb-detail .nav-links a{color:#25e5f5}.orb-detail .wp-block-image{max-width:100%}.orb-detail .orb-search{margin:25px 0}.orb-detail #loginform{max-width:420px}.orb-detail #loginform input:not([type=checkbox]){width:100%}.orb-detail #loginform .login-remember label{display:flex;gap:8px;align-items:center}.orb .screen-reader-text{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(max-width:580px){.arsenal-menu{gap:10px}.orb-hero{margin-top:0;padding-top:0}.orb-hero>.orb-container{padding-top:36px}}

/* Keep the desktop ranking aligned with the complete resource column. */
@media(min-width:901px){.orb-content-layout>.orb-ranking{height:auto;align-self:stretch;display:flex;flex-direction:column;min-width:0}.orb-content-layout>.orb-ranking ol{flex:1;display:flex;flex-direction:column;justify-content:space-between;gap:16px}.orb-content-layout>.orb-ranking li{margin-bottom:0;flex-shrink:0}}