:root{--admin-navy:#0d2d3e;--admin-ink:#18394a;--admin-muted:#6c7e87;--admin-line:#d8e2e7;--admin-bg:#f3f7f8;--admin-teal:#168b91;--admin-cyan:#3cb4b3}.admin-app{min-height:100vh;background:var(--admin-bg);color:var(--admin-ink);font-family:Noto Sans TC,sans-serif}.admin-sidebar{position:fixed;inset:0 auto 0 0;width:248px;display:flex;flex-direction:column;color:#dbe9ed;background:var(--admin-navy);z-index:50}.admin-brand{height:84px;padding:0 25px;display:flex;align-items:center;gap:13px;border-bottom:1px solid rgba(255,255,255,.12)}.admin-brand img{width:38px;height:38px}.admin-brand span{font-size:19px;font-weight:700}.admin-brand strong{display:block;color:#72d2cf;font-size:12px;letter-spacing:.15em}.admin-sidebar nav{flex:1;padding:22px 14px;overflow:auto}.admin-sidebar nav section{margin-bottom:25px}.admin-sidebar nav h3{margin:0 13px 9px;color:#7997a4;font-size:12px;font-weight:500}.admin-sidebar nav button{width:100%;display:flex;align-items:center;gap:13px;padding:11px 13px;color:#c9d9df;border:0;border-radius:7px;background:none;text-align:left;cursor:pointer}.admin-sidebar nav button i{width:22px;color:#70bfc1;font-style:normal;text-align:center}.admin-sidebar nav button:hover,.admin-sidebar nav button.is-active{color:#fff;background:#174456}.admin-sidebar nav button.is-active{box-shadow:inset 3px 0 #5bd0ca}.admin-user{display:flex;align-items:center;gap:10px;padding:18px;border-top:1px solid rgba(255,255,255,.12)}.admin-user>span{display:grid;place-items:center;width:37px;height:37px;border-radius:50%;color:#123647;background:#78d1cd;font-weight:700}.admin-user div{flex:1}.admin-user strong,.admin-user small{display:block}.admin-user small{color:#8eacb8}.admin-user button{color:#fff;border:0;background:none}.admin-shell{margin-left:248px}.admin-topbar{height:68px;padding:0 34px;display:flex;align-items:center;justify-content:space-between;background:#fff;border-bottom:1px solid var(--admin-line);position:sticky;top:0;z-index:20}.admin-topbar>span{font-weight:700}.admin-topbar>div{display:flex;align-items:center;gap:13px}.admin-topbar button{width:37px;height:37px;border:1px solid var(--admin-line);border-radius:50%;background:#fff}.admin-topbar a{padding-left:15px;border-left:1px solid var(--admin-line);font-size:14px}.admin-topbar .has-alert{position:relative}.admin-topbar .has-alert:after{content:"";position:absolute;right:1px;top:1px;width:7px;height:7px;border-radius:50%;background:#e26b5d}.admin-main{max-width:1440px;margin:auto;padding:38px 42px 70px}.admin-heading{display:flex;justify-content:space-between;align-items:end;margin-bottom:28px}.admin-heading p{margin:0 0 4px;color:var(--admin-muted);font-size:14px}.admin-heading h1{margin:0;font-size:31px}.admin-heading>a,.admin-primary{padding:10px 18px;color:#fff;border:0;border-radius:5px;background:var(--admin-teal);font-weight:700;cursor:pointer}.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px;margin-bottom:18px}.metric-grid article{min-height:140px;padding:22px 24px;background:#fff;border-top:3px solid #d7e5e8}.metric-grid span{display:block;color:var(--admin-muted);font-size:14px}.metric-grid strong{display:block;margin:12px 0 7px;font-size:28px}.metric-grid small{color:#368f75}.metric-grid button{padding:0;color:var(--admin-teal);border:0;background:none;font-weight:700}.metric-grid .metric-alert{border-color:#e08e69}.metric-alert strong{color:#bf6249}.admin-dashboard-grid{display:grid;grid-template-columns:2fr 1fr;gap:18px}.admin-panel{background:#fff;border:1px solid var(--admin-line)}.admin-panel>header{display:flex;align-items:center;justify-content:space-between;padding:22px 25px;border-bottom:1px solid var(--admin-line)}.admin-panel h2{margin:0;font-size:18px}.admin-panel header p{margin:4px 0 0;color:var(--admin-muted);font-size:13px}.revenue-panel header>strong{font-size:22px}.bar-chart{height:245px;padding:25px 28px 18px;display:flex;align-items:end;gap:21px}.bar-chart>div{height:100%;flex:1;display:flex;flex-direction:column;justify-content:end;align-items:center;gap:9px;border-bottom:1px solid var(--admin-line)}.bar-chart span{width:65%;min-width:18px;background:linear-gradient(var(--admin-cyan),var(--admin-teal))}.bar-chart small{color:var(--admin-muted)}.task-panel{grid-row:span 2}.task-panel>button{width:100%;padding:20px 24px;display:flex;justify-content:space-between;border:0;border-bottom:1px solid var(--admin-line);background:#fff;text-align:left}.task-panel>button:hover{background:#f4fafb}.task-panel b{display:grid;place-items:center;width:27px;height:27px;border-radius:50%;color:#b75a48;background:#fff0ec}.recent-panel{grid-column:1/-1}.recent-panel header button,.course-manager header button{padding:0;color:var(--admin-teal);border:0;background:none;font-weight:700}.admin-badge{display:inline-block;padding:4px 8px;border-radius:4px;font-size:12px;white-space:nowrap}.admin-badge--success{color:#24755c;background:#e7f5ee}.admin-badge--warning{color:#a26c24;background:#fff4dc}.admin-badge--danger{color:#a94740;background:#fdeceb}.admin-badge--neutral{color:#5d7079;background:#eef2f4}.admin-toolbar{display:flex;gap:12px;align-items:center;margin-bottom:15px}.admin-toolbar input{width:min(430px,50vw)}.admin-toolbar input,.admin-toolbar select{height:42px;padding:0 13px;border:1px solid var(--admin-line);background:#fff}.admin-toolbar span{margin-left:auto;color:var(--admin-muted);font-size:13px}.admin-table-wrap{overflow:auto}.admin-table{width:100%;border-collapse:collapse;min-width:780px}.admin-table th{padding:13px 17px;color:#73858d;background:#f7f9fa;text-align:left;font-size:12px}.admin-table td{padding:15px 17px;border-top:1px solid #e4eaed;font-size:14px}.admin-table td small{display:block;margin-top:4px;color:var(--admin-muted)}.table-action{border:0;background:none;letter-spacing:2px;cursor:pointer}.admin-notice,.security-callout{margin-bottom:16px;padding:14px 17px;color:#276e66;background:#e8f5f2;border-left:3px solid var(--admin-teal)}.course-manager .admin-notice{margin:15px 24px 0}.course-admin-list article{display:grid;grid-template-columns:28px 1fr 85px 75px 75px 80px 35px;gap:12px;align-items:center;padding:17px 22px;border-top:1px solid var(--admin-line)}.course-admin-list small{display:block;color:var(--admin-muted)}.drag-handle{color:#8ba0aa;font-size:22px}.rank-actions{display:flex;gap:4px}.rank-actions button{width:31px;height:31px;border:1px solid var(--admin-line);background:#fff}.security-callout{display:grid;grid-template-columns:1fr auto;column-gap:25px}.security-callout strong{color:#9d443b}.security-callout p{margin:4px 0 0}.security-callout label{grid-row:1/3;grid-column:2;align-self:center}.content-admin-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.content-admin-grid article{display:grid;grid-template-columns:50px 1fr auto;gap:16px;align-items:center;padding:22px;background:#fff;border:1px solid var(--admin-line)}.content-icon{display:grid;place-items:center;width:48px;height:48px;color:var(--admin-teal);background:#e8f4f4;font-size:22px}.content-admin-grid h2{margin:0;font-size:17px}.content-admin-grid p{margin:4px 0;color:var(--admin-muted)}.content-admin-grid small{color:#90a0a7}.content-admin-grid button{padding:8px 14px;color:var(--admin-teal);border:1px solid #a8c9ca;background:#fff}@media(max-width:1050px){.metric-grid{grid-template-columns:repeat(2,1fr)}.admin-dashboard-grid{grid-template-columns:1fr}.task-panel{grid-row:auto}.recent-panel{grid-column:auto}.course-admin-list article{grid-template-columns:26px 1fr 85px 70px}.course-admin-list label{display:none}}@media(max-width:760px){.admin-sidebar{transform:translate(-100%);transition:.2s}.admin-sidebar.is-open{transform:translate(0)}.admin-shell{margin-left:0}.admin-menu{display:block}.admin-topbar{padding:0 17px}.admin-topbar>div button{display:none}.admin-main{padding:25px 17px 55px}.admin-heading{align-items:start}.admin-heading h1{font-size:25px}.metric-grid{grid-template-columns:1fr 1fr}.metric-grid article{min-height:125px;padding:17px}.metric-grid strong{font-size:22px}.content-admin-grid{grid-template-columns:1fr}.admin-toolbar{flex-wrap:wrap}.admin-toolbar input{width:100%}.security-callout{display:block}.security-callout label{display:block;margin-top:13px}.course-admin-list article{grid-template-columns:23px 1fr 70px 35px}.course-admin-list .rank-actions{display:none}}.admin-topbar>a{font-size:14px}.admin-link-button{padding:0;color:var(--admin-teal);border:0;background:none;font-weight:700;cursor:pointer;white-space:nowrap}.admin-notice.is-error{color:#963f38;background:#fff0ee;border-color:#d76b60}.admin-empty{padding:58px 25px;color:var(--admin-muted);text-align:center}.admin-empty strong{display:block;color:var(--admin-ink);font-size:18px}.admin-empty p{margin:7px 0}.course-admin-list article{grid-template-columns:28px 1fr 85px 75px 75px 80px 65px}.status-toggle{padding:7px 10px!important;color:#65777f!important;border:1px solid var(--admin-line)!important;background:#eef2f4!important;white-space:nowrap;cursor:pointer}.status-toggle.is-on{color:#24755c!important;background:#e7f5ee!important;border-color:#cce8dc!important}.content-admin-grid article{grid-template-columns:50px 1fr auto auto}.content-admin-grid button{cursor:pointer}.admin-list article{display:grid;grid-template-columns:52px 1fr auto auto;gap:17px;align-items:center;padding:18px 22px;border-top:1px solid var(--admin-line)}.admin-list article:first-child{border-top:0}.admin-list h2,.admin-list p{margin:0}.admin-list p,.admin-list small{color:var(--admin-muted)}.admin-avatar{width:48px;height:48px;display:grid;place-items:center;border-radius:50%;overflow:hidden;color:#fff;background:var(--admin-teal);font-weight:700}.admin-avatar img{width:100%;height:100%;object-fit:cover}.admin-drawer-layer{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;display:flex;justify-content:flex-end;background:#061d286b}.admin-drawer{width:min(510px,100%);height:100%;overflow:auto;background:#fff;box-shadow:-20px 0 45px #0a27342e}.admin-drawer.is-wide{width:min(680px,100%)}.admin-drawer>header{position:sticky;top:0;z-index:2;display:flex;align-items:center;justify-content:space-between;padding:21px 25px;border-bottom:1px solid var(--admin-line);background:#fff}.admin-drawer h2{margin:0;font-size:21px}.admin-drawer>header button{width:36px;height:36px;border:0;background:none;font-size:27px}.admin-form{display:grid;gap:18px;padding:25px}.admin-field{display:grid;gap:7px}.admin-field>span{font-size:13px;font-weight:700}.admin-field input,.admin-field select,.admin-field textarea{width:100%;padding:10px 12px;border:1px solid #bdcbd1;background:#fff;font:inherit;box-sizing:border-box}.admin-field textarea{resize:vertical}.admin-checks{display:flex;gap:22px}.admin-form-actions{display:flex;align-items:center;justify-content:flex-end;gap:10px;padding-top:10px;border-top:1px solid var(--admin-line)}.admin-form-actions>span{flex:1}.admin-form-actions button{padding:9px 15px;border:1px solid var(--admin-line);background:#fff;cursor:pointer}.admin-form-actions .admin-primary{border:0;background:var(--admin-teal)}.danger-button{color:#af443d!important;border-color:#e7bbb7!important}.admin-app button:focus-visible,.admin-app a:focus-visible,.admin-app input:focus-visible,.admin-app textarea:focus-visible,.admin-app select:focus-visible{outline:3px solid rgba(60,180,179,.35);outline-offset:2px}@media(max-width:1050px){.course-admin-list article{grid-template-columns:26px 1fr 85px 70px 65px}.course-admin-list label{display:none}.content-admin-grid article{grid-template-columns:48px 1fr auto}.content-admin-grid .status-toggle{grid-column:2}}@media(max-width:760px){.admin-topbar>div{display:none}.course-admin-list article{grid-template-columns:23px 1fr 70px 54px}.course-admin-list .rank-actions,.course-admin-list label{display:none}.content-admin-grid article{grid-template-columns:44px 1fr}.content-admin-grid article>button{grid-column:2}.admin-list article{grid-template-columns:46px 1fr auto}.admin-list .admin-badge{display:none}.admin-form-actions{flex-wrap:wrap}}.admin-topbar-actions{display:flex;align-items:center;gap:18px}.admin-topbar-actions a{font-size:14px}.admin-topbar .admin-logout{width:auto;height:auto;padding:7px 12px;border-radius:4px;color:#8f3e39;background:#fff7f6}.admin-login{min-height:100vh;display:grid;place-items:center;padding:24px;background:linear-gradient(120deg,#0d2d3e 0,#0d2d3e 38%,#f3f7f8 38%)}.admin-login>section{width:min(430px,100%);padding:38px;background:#fff;border-top:5px solid var(--admin-teal);box-shadow:0 28px 70px #031c283d}.admin-login-brand{display:flex;align-items:center;gap:12px;margin-bottom:38px;color:var(--admin-ink);font-size:21px;font-weight:800}.admin-login-brand img{width:42px;height:42px}.admin-login-brand small{display:block;color:var(--admin-teal);font-size:12px;letter-spacing:.13em}.admin-login>section>div>p{margin:0;color:var(--admin-teal);font-size:13px;font-weight:700}.admin-login h1{margin:5px 0 7px;font-size:30px}.admin-login>section>div>span{color:var(--admin-muted)}.admin-login form{display:grid;gap:18px;margin-top:28px}.admin-login form .admin-primary{width:100%;padding:12px}.admin-login-error{padding:11px 13px;color:#963f38;background:#fff0ee;border-left:3px solid #d76b60;font-size:13px}.admin-login-back{display:block;margin-top:24px;color:var(--admin-muted);font-size:13px;text-align:center}@media(max-width:760px){.admin-topbar-actions{display:flex!important}.admin-topbar-actions a{display:none}.admin-login{background:#0d2d3e}.admin-login>section{padding:28px 23px}}:root{--admin-glass-border:rgba(127,166,183,.34);--admin-glass:rgba(255,255,255,.76);--admin-glass-shadow:0 18px 48px rgba(13,59,80,.1),inset 0 1px 0 rgba(255,255,255,.86);--admin-radius-xl:28px;--admin-radius-lg:20px;--admin-radius-md:14px}.admin-app{background:radial-gradient(circle at 82% 4%,rgba(82,190,191,.14),transparent 25%),linear-gradient(145deg,#f7fbfc,#eef5f7)}.admin-sidebar{margin:10px;height:calc(100vh - 20px);border:1px solid rgba(255,255,255,.12);border-radius:26px;overflow:hidden;box-shadow:0 22px 55px #04243338,inset 0 1px #ffffff1a}.admin-shell{margin-left:268px;padding-top:10px}.admin-topbar{top:10px;width:calc(100% - 20px);height:62px;padding:0 24px;border:1px solid var(--admin-glass-border);border-radius:20px;background:#ffffffbd;box-shadow:var(--admin-glass-shadow);backdrop-filter:blur(24px) saturate(145%);-webkit-backdrop-filter:blur(24px) saturate(145%)}.admin-panel,.metric-grid article,.content-admin-grid article,.security-callout,.admin-toolbar input,.admin-toolbar select{border:1px solid var(--admin-glass-border);border-radius:var(--admin-radius-lg);background:var(--admin-glass);box-shadow:var(--admin-glass-shadow);backdrop-filter:blur(18px) saturate(130%);-webkit-backdrop-filter:blur(18px) saturate(130%)}.metric-grid article{overflow:hidden}.admin-panel{overflow:hidden}.admin-panel>header{background:#ffffff6b}.admin-table th{background:#eff6f8b3}.admin-table-wrap{border-radius:0 0 var(--admin-radius-lg) var(--admin-radius-lg)}.admin-primary,.admin-heading>a{border-radius:14px;box-shadow:inset 0 1px #ffffff59,0 8px 20px #147e842e}.admin-toolbar input,.admin-toolbar select{box-shadow:inset 0 1px #fffc}.security-callout,.admin-notice{border-left:3px solid var(--admin-teal);border-radius:var(--admin-radius-md)}.content-icon,.admin-avatar,.admin-badge,.status-toggle,.rank-actions button,.content-admin-grid button,.admin-form-actions button{border-radius:12px!important}.admin-drawer{margin:10px;height:calc(100% - 20px);border:1px solid var(--admin-glass-border);border-radius:28px;background:#ffffffdb;box-shadow:-24px 0 60px #0a273433;backdrop-filter:blur(26px) saturate(140%);-webkit-backdrop-filter:blur(26px) saturate(140%)}.admin-drawer>header{background:#ffffffb8;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px)}.admin-field input,.admin-field select,.admin-field textarea{border-radius:14px;background:#ffffffb8;box-shadow:inset 0 1px #ffffffe6}.admin-login{background:radial-gradient(circle at 70% 15%,rgba(62,190,190,.22),transparent 27%),linear-gradient(125deg,#0b2a3a 0,#0b2a3a 38%,#edf5f7 38%)}.admin-login>section{border:1px solid rgba(255,255,255,.7);border-top:5px solid var(--admin-teal);border-radius:30px;background:#ffffffd1;box-shadow:0 32px 80px #031c2842,inset 0 1px #fff;backdrop-filter:blur(28px) saturate(140%);-webkit-backdrop-filter:blur(28px) saturate(140%)}@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){.admin-topbar,.admin-panel,.metric-grid article,.content-admin-grid article,.admin-drawer,.admin-login>section{background:#fff}}@media(max-width:760px){.admin-sidebar{margin:7px;height:calc(100vh - 14px)}.admin-shell{margin-left:0;padding-top:7px}.admin-topbar{top:7px;width:calc(100% - 14px);margin:auto}.admin-main{padding-top:22px}.admin-drawer{margin:6px;height:calc(100% - 12px);border-radius:22px}.admin-login>section{border-radius:24px}}.learning-admin-panel{padding:28px;margin-bottom:28px}.learning-admin-panel h2{color:#155f8a;margin:8px 0 18px}.learning-admin-panel p,.admin-question p{line-height:1.8;white-space:pre-wrap}.learning-admin-panel details{margin:22px 0}.learning-admin-panel summary{cursor:pointer;font-weight:600}.curriculum-editor{margin:15px 0}.curriculum-editor__node{border-left:3px solid #b6dce8;padding:14px 0 14px 16px;margin:10px 0;background:#f6fbfd}.curriculum-editor__node>header{display:flex;align-items:center;gap:8px;padding-right:12px}.curriculum-editor__node>header>span{white-space:nowrap;font-size:12px;color:#176f9f}.curriculum-editor__node>header>input{flex:1;min-width:0;padding:8px}.curriculum-editor__node button,.tree-add-actions button,.enrollment-item button{padding:7px 10px;color:#155f8a;background:#fff;border:1px solid #bdd6e1;border-radius:4px;cursor:pointer}.tree-add-actions{display:flex;gap:10px}.lesson-editor-fields{display:grid;grid-template-columns:2fr 1fr 1fr;gap:12px;padding:16px 16px 0 0}.lesson-editor-fields label,.test-access-form label{font-size:13px;font-weight:600}.lesson-editor-fields input,.lesson-editor-fields textarea,.test-access-form input{display:block;width:100%;margin-top:8px;padding:9px;border:1px solid #bdd6e1;border-radius:4px;font:inherit}.lesson-editor-notes{grid-column:1/-1}.test-access-form{display:flex;align-items:end;gap:20px;margin-bottom:24px}.test-access-form label{flex:1}.enrollment-item{display:flex;flex-wrap:wrap;align-items:center;gap:16px;padding:17px 0;border-bottom:1px solid #dce9ee}.admin-question{padding:22px 0;border-bottom:1px solid #dce9ee}.admin-question>strong{color:#155f8a}.static-page-fields{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:25px}.static-preview{width:100%;min-height:450px;border:1px solid #bdd6e1;background:#fff}@media(max-width:750px){.learning-admin-panel{padding:18px}.curriculum-editor__node{padding-left:10px}.curriculum-editor__node>header{flex-wrap:wrap}.curriculum-editor__node>header>input{flex-basis:70%}.lesson-editor-fields{grid-template-columns:1fr 1fr}.lesson-editor-fields label:first-child{grid-column:1/-1}.test-access-form{display:block}.test-access-form button{margin-top:15px}.static-page-fields{grid-template-columns:1fr}.admin-toolbar select{max-width:100%}}.bunny-config-form{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.bunny-config-form p,.bunny-config-form>button{grid-column:1/-1}.bunny-config-form>button{justify-self:start}.bunny-upload-form{max-width:720px}.bunny-upload-actions{display:flex;gap:12px;align-items:center;margin:16px 0}.bunny-progress{margin-top:20px;padding:20px;background:#f2f8fb;border-radius:12px}.bunny-progress progress{display:block;width:100%;height:14px;accent-color:#2389a2;margin-bottom:8px}.bunny-progress code,.admin-table code{font-size:12px;overflow-wrap:anywhere}.bunny-config-form p{font-size:13px;color:#64788a;margin:0}.bunny-upload-form input[type=file]{padding:12px;border:1px dashed #b5ccd8;background:#f8fbfd}.bunny-upload-form input[type=file]::file-selector-button{padding:8px 14px;border:0;border-radius:6px;background:#e1eff5;color:#155f8a;margin-right:12px;cursor:pointer}@media(max-width:1000px){.bunny-config-form{grid-template-columns:1fr}}.bunny-video-preview{max-width:960px;margin-top:25px}.bunny-video-preview iframe{display:block;width:100%;aspect-ratio:16/9;border:0;border-radius:12px;background:#102c3b;margin-bottom:15px}.admin-tabs{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 16px}.admin-tabs button{border:1px solid #c5dce8;background:#fff;border-radius:999px;padding:8px 16px;cursor:pointer;font:inherit;color:#405965}.admin-tabs button.is-active{background:#176f9f;border-color:#176f9f;color:#fff}.admin-hint{display:block;margin-top:4px;color:#6b808a;font-size:12px}.admin-form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 16px}.image-input{display:flex;gap:12px;align-items:center}.image-input img{width:120px;height:64px;object-fit:cover;border-radius:8px;border:1px solid #d6e7f0;flex-shrink:0}.image-input>div{flex:1;display:grid;gap:6px}.image-input__upload{justify-self:start;padding:6px 14px;border-radius:999px;background:#eef8fd;color:#176f9f;cursor:pointer;font-size:14px}.banner-thumb{width:120px;height:50px;object-fit:cover;border-radius:8px}.banner-admin-list article{grid-template-columns:auto minmax(0,1fr) auto auto auto auto}.email-preview{white-space:pre-wrap;font:14px/1.8 inherit;background:#f6fafc;padding:16px;border-radius:10px}.audit-detail{font-size:12px;word-break:break-all}.survey-question-editor{border:1px solid #d6e7f0;border-radius:10px;padding:12px;margin:10px 0;display:grid;gap:8px;background:#fbfdfe}.survey-question-editor header{display:flex;gap:8px;align-items:center}.survey-question-editor header span{flex:1;color:#6b808a;font-size:13px}.survey-question-editor input,.survey-question-editor textarea{border:1px solid #c5dce8;border-radius:8px;padding:8px 10px;font:inherit}.survey-result{padding:14px 0;border-bottom:1px solid #e3eef4}.survey-result h3{margin:0 0 8px;font-size:16px}.survey-score{font-size:28px;font-weight:700;color:#155f8a;margin:0 0 6px}.survey-score small{font-size:14px;font-weight:400;color:#6b808a}.survey-bars{display:grid;gap:6px}.survey-bars>div{display:grid;grid-template-columns:minmax(80px,180px) 1fr auto;gap:10px;align-items:center;font-size:14px}.survey-bars>div>i{display:block;height:10px;border-radius:99px;background:linear-gradient(90deg,#176f9f,#33a9b9);min-width:2px}.survey-bars span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.survey-answers{margin:0;padding-left:20px;display:grid;gap:6px;max-height:320px;overflow:auto}.invoice-panel{margin-top:20px;padding-top:16px;border-top:1px solid #e3eef4}.invoice-panel h3,.course-settings h3{margin:0 0 10px;color:#155f8a}.invoice-panel dl{display:grid;gap:6px;margin:0 0 10px}.invoice-panel dl div{display:grid;grid-template-columns:90px 1fr;gap:8px}.invoice-panel dt{color:#6b808a}.invoice-panel dd{margin:0}.course-settings{margin-top:24px;padding-top:20px;border-top:1px solid #e3eef4}.caption-manager ul{padding-left:18px}@media(max-width:760px){.admin-form-grid{grid-template-columns:1fr}.banner-admin-list article{grid-template-columns:1fr}.survey-bars>div{grid-template-columns:90px 1fr auto}}.dashboard-extras{margin-top:18px}.recent-sources header button{padding:0;color:var(--admin-teal);border:0;background:none;font-weight:700;cursor:pointer}.admin-panel>.survey-bars{padding:18px 24px}.admin-sidebar nav{min-height:0}.dashboard-extras .task-panel{grid-row:auto}.settlement-steps{display:flex;flex-wrap:wrap;gap:6px;padding:0;margin:0 0 16px;list-style:none;counter-reset:step}.settlement-steps li{counter-increment:step;padding:6px 12px;border-radius:999px;background:#eef2f4;color:#6b808a;font-size:13px}.settlement-steps li:before{content:counter(step) ". "}.settlement-steps li.is-done{background:#e7f5ee;color:#24755c}.settlement-steps li.is-current{background:#176f9f;color:#fff}.settlement-steps li.is-alert{background:#fdeceb;color:#a94740}.settlement-steps li.is-alert:before{content:"! "}.settlement-totals{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:0 0 12px}.settlement-totals div{padding:12px;border-radius:10px;background:#f6fafc}.settlement-totals dt{color:#6b808a;font-size:12px}.settlement-totals dd{margin:4px 0 0;font-size:18px;font-weight:700}.settlement-actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin:16px 0}.settlement-actions button,.file-button{padding:9px 16px;border-radius:8px;border:1px solid #c5dce8;background:#fff;cursor:pointer;font:inherit}.settlement-actions .admin-primary,.file-button.admin-primary{border-color:transparent}.settlement-hint{color:#a26c24;font-size:14px}.settlement-history{padding-left:18px;font-size:13px}.settlement-detail details{margin-top:10px}.is-negative{color:#b42318!important}.trend-table td{position:relative;vertical-align:bottom;font-size:12px}.trend-table td i{display:block;width:14px;margin-bottom:4px;background:linear-gradient(#33a9b9,#176f9f);border-radius:3px 3px 0 0}.trend-table td.is-alert{background:#fdeceb}.unit-editor{display:grid;gap:10px;margin:12px 0 20px}.unit-editor article{border:1px solid #d6e7f0;border-radius:10px;padding:10px;display:grid;gap:6px}.unit-editor header{display:flex;gap:8px;align-items:center}.unit-editor header input:first-of-type{flex:1}.unit-editor header input[type=number]{width:90px}.unit-editor input,.unit-editor textarea{border:1px solid #c5dce8;border-radius:8px;padding:6px 10px;font:inherit}.ai-summary{padding:16px 24px;display:grid;grid-template-columns:1fr 1fr;gap:8px 24px}.ai-summary>p{grid-column:1 / -1;margin:0}.ai-summary h3{font-size:15px;margin:8px 0 4px;color:#155f8a}.ai-summary ul{margin:0;padding-left:18px}.teacher-report{margin-bottom:18px}.utm-form{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:0 12px;align-items:end;margin-bottom:12px}.admin-question .is-alert{color:#a94740}.print-sheet{display:none}@media print{.admin-app .admin-sidebar,.admin-app .admin-topbar,.admin-main>*:not(.print-sheet){display:none!important}.admin-shell{margin:0!important}.admin-main{padding:0!important}.print-sheet{display:block;font-size:11px;color:#000}.print-sheet h1{font-size:16px;text-align:center}.print-sheet table{width:100%;border-collapse:collapse}.print-sheet th,.print-sheet td{border:1px solid #000;padding:4px 6px}.print-sheet td:last-child{width:80px}@page{size:A4 landscape;margin:12mm}}@media(max-width:760px){.settlement-totals,.ai-summary{grid-template-columns:1fr 1fr}}.admin-heading{gap:16px}.admin-heading>div:first-child{flex-shrink:0}.admin-heading h1,.admin-heading .admin-primary,.admin-toolbar button,.admin-toolbar label{white-space:nowrap}.admin-heading .admin-toolbar{margin:0;flex-wrap:wrap;justify-content:flex-end}.admin-heading .admin-toolbar input,.admin-toolbar input[type=month],.admin-toolbar input[type=date],.admin-toolbar input[type=number]{width:auto}.admin-toolbar input[type=checkbox]{width:auto;height:auto;margin-right:4px}.admin-toolbar label{display:inline-flex;align-items:center;gap:6px;color:var(--admin-muted);font-size:14px}.settlement-actions button.admin-primary,.settlement-actions .file-button.admin-primary{background:var(--admin-teal);color:#fff}.admin-panel>header>button,.admin-panel>header .admin-toolbar button:not(.admin-primary){padding:8px 14px;border:1px solid #a8c9ca;border-radius:8px;background:#fff;color:var(--admin-teal);font-weight:700;cursor:pointer}.admin-toolbar button:not(.admin-primary):not(.admin-link-button){padding:9px 14px;border:1px solid #a8c9ca;border-radius:8px;background:#fff;color:var(--admin-teal);cursor:pointer}.admin-panel .test-access-form{padding:16px 24px}.admin-toolbar{flex-wrap:wrap}.admin-toolbar select{max-width:100%}.unit-editor header input{min-width:0}:root{--admin-bg: #f7f8f9;--admin-surface: #fff;--admin-ink: #1d2a33;--admin-muted: #6b7780;--admin-line: #e4e7ea;--admin-hover: #eef1f3;--admin-active: #e8eef2;--admin-teal: #176f9f;--admin-cyan: #2a9fb2;--sidebar-w: 272px;--sidebar-w-collapsed: 64px;--admin-font: "Noto Sans TC", -apple-system, "PingFang TC", system-ui, sans-serif}.admin-app{min-height:100vh;color:var(--admin-ink);background:var(--admin-bg);font-family:var(--admin-font);font-size:15px}.admin-sidebar{position:fixed;z-index:60;inset:0 auto 0 0;display:flex;flex-direction:column;width:var(--sidebar-w);height:100vh;margin:0;overflow:hidden;color:var(--admin-ink);border:0;border-right:1px solid var(--admin-line);border-radius:0;background:#fcfcfd;box-shadow:none;transition:width .2s cubic-bezier(.23,1,.32,1)}.admin-sidebar.is-collapsed{width:var(--sidebar-w-collapsed)}.admin-sidebar__brand{flex:0 0 auto;height:64px;padding:0 16px;display:flex;align-items:center;border-bottom:1px solid var(--admin-line)}.admin-brand{display:flex;align-items:center;gap:12px;height:auto;padding:0;border:0;color:inherit;min-width:0}.admin-brand img{flex:0 0 auto;width:30px;height:30px}.admin-brand__text{min-width:0;line-height:1.25}.admin-brand__text strong{display:block;color:var(--admin-ink);font-size:15px;letter-spacing:0;white-space:nowrap}.admin-brand__text small{display:block;color:var(--admin-muted);font-size:12.5px;white-space:nowrap}.admin-quick-search{display:flex;align-items:center;gap:10px;margin:14px 14px 8px;height:40px;padding:0 12px;color:var(--admin-muted);border:1px solid var(--admin-line);border-radius:10px;background:#fff;box-shadow:0 1px 1px #00000008;font:inherit;font-size:14.5px;text-align:left;cursor:pointer;transition:border-color .15s,background-color .15s}.admin-quick-search:hover{border-color:#cfd5da}.admin-quick-search span{flex:1;white-space:nowrap}kbd{padding:1px 6px;color:var(--admin-muted);border:1px solid var(--admin-line);border-radius:6px;background:#fafbfc;font:12px/1.6 var(--admin-font)}.admin-nav{flex:1;min-height:0;padding:4px 12px 16px;overflow-y:auto;overflow-x:hidden;scrollbar-width:thin}.admin-nav__section{margin-top:18px}.admin-nav__section h3{margin:0 0 6px;padding:0 12px;color:var(--admin-muted);font-size:13.5px;font-weight:500;white-space:nowrap}.nav-row{display:flex;align-items:center;gap:12px;width:100%;min-height:40px;margin:1px 0;padding:0 12px;color:var(--admin-ink);border:0;border-radius:9px;background:transparent;font:inherit;font-size:15px;text-align:left;text-decoration:none;cursor:pointer;white-space:nowrap;transition:background-color .12s}.nav-row:hover{background:var(--admin-hover)}.nav-row.is-active{background:var(--admin-active);font-weight:700}.nav-row .nav-icon{flex:0 0 auto;color:#5f6b73}.nav-row.is-active .nav-icon,.nav-group.has-active>.nav-row .nav-icon{color:var(--admin-teal)}.nav-row__label{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis}.nav-row__chevron{display:grid;color:#8a959c;transition:transform .2s cubic-bezier(.23,1,.32,1)}.nav-group.is-open>.nav-row .nav-row__chevron{transform:rotate(90deg)}.nav-group__children{display:grid;grid-template-rows:0fr;transition:grid-template-rows .22s cubic-bezier(.23,1,.32,1)}.nav-group.is-open>.nav-group__children{grid-template-rows:1fr}.nav-group__children>div{min-height:0;overflow:hidden;margin-left:21px;padding-left:12px;border-left:1px solid var(--admin-line)}.nav-row--child{min-height:38px;padding-left:12px;font-size:14.5px}.nav-row--child.is-active{position:relative}.nav-row--child.is-active:before{content:"";position:absolute;left:-13px;top:9px;bottom:9px;width:2px;border-radius:2px;background:var(--admin-teal)}.admin-sidebar__foot{flex:0 0 auto;padding:10px 12px;border-top:1px solid var(--admin-line)}.admin-collapse .nav-row__label{color:var(--admin-muted)}.admin-sidebar.is-collapsed .admin-sidebar__brand{padding:0 17px}.admin-sidebar.is-collapsed .admin-brand__text,.admin-sidebar.is-collapsed .nav-row__label,.admin-sidebar.is-collapsed .nav-row__chevron,.admin-sidebar.is-collapsed .admin-nav__section h3,.admin-sidebar.is-collapsed .admin-quick-search span,.admin-sidebar.is-collapsed .admin-quick-search kbd,.admin-sidebar.is-collapsed .nav-group__children{display:none}.admin-sidebar.is-collapsed .admin-quick-search{justify-content:center;margin:14px 10px 8px;padding:0}.admin-sidebar.is-collapsed .admin-nav{padding:4px 10px}.admin-sidebar.is-collapsed .admin-nav__section{margin-top:10px;padding-top:10px;border-top:1px solid var(--admin-line)}.admin-sidebar.is-collapsed .nav-row{justify-content:center;padding:0}.admin-sidebar.is-collapsed .nav-group.has-active>.nav-row{background:var(--admin-active)}.admin-sidebar.is-collapsed .admin-collapse .nav-icon{transform:scaleX(-1)}.admin-scrim{display:none}.admin-shell{margin-left:var(--sidebar-w);padding-top:0;transition:margin-left .2s cubic-bezier(.23,1,.32,1)}.admin-app.is-collapsed .admin-shell{margin-left:var(--sidebar-w-collapsed)}.admin-topbar{position:sticky;z-index:40;top:0;display:flex;align-items:center;gap:16px;width:auto;height:64px;margin:0;padding:0 28px;border:0;border-bottom:1px solid var(--admin-line);border-radius:0;background:#fcfcfde0;box-shadow:none;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}.admin-crumbs{display:flex;flex:1;align-items:center;min-width:0;gap:0;color:var(--admin-muted);font-size:14.5px;white-space:nowrap;overflow:hidden}.admin-crumbs span:after{content:"/";margin:0 8px;color:#b6bec4}.admin-crumbs strong{color:var(--admin-ink);overflow:hidden;text-overflow:ellipsis}.admin-topbar-actions{display:flex;align-items:center;gap:6px}.admin-topbar-actions a,.admin-top-search{display:inline-flex;align-items:center;gap:7px;height:36px;padding:0 12px;color:var(--admin-ink);border:0!important;border-radius:9px;background:transparent;font:inherit;font-size:14.5px;cursor:pointer}.admin-topbar-actions a:hover,.admin-top-search:hover{background:var(--admin-hover)}.admin-top-search{width:auto!important}.admin-topbar .admin-avatar-button{display:grid;place-items:center;width:34px;height:34px;margin-left:4px;padding:0;color:#fff;border:0;border-radius:50%;background:var(--admin-teal);font-weight:700;cursor:pointer}.admin-account{position:relative}.admin-account__menu{position:absolute;top:calc(100% + 8px);right:0;display:grid;gap:2px;width:240px;padding:14px;border:1px solid var(--admin-line);border-radius:12px;background:#fff;box-shadow:0 12px 32px #0f1e281f;animation:admin-pop .16s cubic-bezier(.23,1,.32,1)}.admin-account__menu small{color:var(--admin-muted);overflow:hidden;text-overflow:ellipsis}.admin-account__menu button{display:flex;align-items:center;gap:8px;width:100%!important;height:36px!important;margin-top:10px;padding:0 10px;color:#a23b2f;border:1px solid var(--admin-line)!important;border-radius:9px!important;background:#fff;font:inherit;cursor:pointer}@keyframes admin-pop{0%{opacity:0;transform:translateY(-4px) scale(.98)}}.admin-menu{display:none}.admin-main{max-width:1400px;margin:0 auto;padding:32px 36px 72px}.command-layer{position:fixed;z-index:200;top:0;right:0;bottom:0;left:0;display:flex;justify-content:center;align-items:flex-start;padding:12vh 16px 16px;background:#0f192052;animation:admin-fade .15s ease}@keyframes admin-fade{0%{opacity:0}}.command{width:min(620px,100%);overflow:hidden;border:1px solid var(--admin-line);border-radius:14px;background:#fff;box-shadow:0 24px 60px #0a192347;animation:admin-pop .18s cubic-bezier(.23,1,.32,1)}.command__input{display:flex;align-items:center;gap:10px;height:56px;padding:0 16px;border-bottom:1px solid var(--admin-line);color:var(--admin-muted)}.command__input input{flex:1;height:100%;border:0;outline:0;color:var(--admin-ink);font:inherit;font-size:16px;background:transparent}.command ul{max-height:min(420px,60vh);margin:0;padding:6px;overflow-y:auto;list-style:none}.command li{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:9px;cursor:pointer}.command li span{flex:1}.command li small{color:var(--admin-muted);font-size:13px}.command li.is-active{background:var(--admin-active)}.command li .nav-icon{color:#5f6b73}.command .command__heading{padding:8px 12px 4px;color:var(--admin-muted);font-size:12.5px;cursor:default}.command .command__empty{justify-content:center;padding:28px;color:var(--admin-muted);cursor:default}.admin-panel,.metric-grid article,.content-admin-grid article,.security-callout,.admin-toolbar input,.admin-toolbar select{border:1px solid var(--admin-line);border-radius:12px;background:var(--admin-surface);box-shadow:0 1px 2px #0f1e280a;backdrop-filter:none;-webkit-backdrop-filter:none}.admin-panel>header{background:transparent}.admin-table th{background:#fafbfc}.admin-heading{align-items:center;margin-bottom:24px}.admin-heading h1{font-size:28px;letter-spacing:0}.admin-heading>a,.admin-primary{border-radius:9px;box-shadow:none}.admin-drawer{margin:0;height:100%;border:0;border-left:1px solid var(--admin-line);border-radius:0;background:#fff;backdrop-filter:none;-webkit-backdrop-filter:none}.admin-drawer>header{background:#fff}.admin-drawer-layer{background:#0f192052}.content-lede{margin:-8px 0 18px;color:var(--admin-muted)}.content-admin-list{display:grid;gap:0;overflow:hidden;border:1px solid var(--admin-line);border-radius:12px;background:#fff}.content-admin-list article{display:grid;grid-template-columns:minmax(0,1fr) auto auto auto;gap:16px;align-items:center;padding:18px 22px;border-top:1px solid var(--admin-line)}.content-admin-list.is-ordered article{grid-template-columns:76px minmax(0,1fr) auto auto auto}.content-admin-list article:first-child{border-top:0}.content-admin-list article.is-off .content-admin-list__main{opacity:.55}.content-admin-list h2{margin:0;font-size:16.5px}.content-admin-list p{margin:4px 0;overflow:hidden;color:var(--admin-ink);font-size:14px;text-overflow:ellipsis;white-space:nowrap}.content-admin-list p em{color:var(--admin-muted)}.content-admin-list small{color:var(--admin-muted);font-size:12.5px}.content-edit{height:34px;padding:0 16px;color:var(--admin-ink);border:1px solid var(--admin-line);border-radius:9px;background:#fff;font:inherit;cursor:pointer}.content-edit:hover{background:var(--admin-hover)}.content-fixed{color:var(--admin-muted);font-size:12.5px}.rank-actions button:disabled{opacity:.35;cursor:default}.content-note{margin:0;padding:10px 12px;border-radius:9px;background:#f3f7f9}.admin-inline-check{display:flex;align-items:center;gap:8px}.content-preview{padding:16px 18px;border:1px dashed #cdd5da;border-radius:12px;background:#fbfcfd}.content-preview>h3{margin:0 0 10px;color:var(--admin-muted);font-size:12.5px;font-weight:500}.content-preview__page{max-height:360px;overflow:auto;font-size:14px;line-height:1.8}.content-preview__page h3{margin:0;font-size:20px}.content-preview__sub{margin:2px 0 12px;color:var(--admin-muted)}.content-preview__page .page-content__quote{padding:10px 14px;border-left:3px solid var(--admin-cyan);background:#eef6f9}.content-preview__page .terms-section{padding:10px 0;border-top:1px solid var(--admin-line)}.content-preview__page .terms-section h2{margin:0 0 4px;font-size:16px}.content-preview__page .teacher-videos{display:grid;grid-template-columns:1fr 1fr;gap:12px}.content-preview__page .video-frame iframe{width:100%;aspect-ratio:16 / 9;border:0;border-radius:8px}.content-preview__hero{padding:22px;color:#fff;border-radius:10px;background:linear-gradient(120deg,#0e2a3c,#1b6f99)}.content-preview__hero small{display:block;font-size:14px;opacity:.85}.content-preview__hero strong{display:block;margin:2px 0 6px;font-size:26px}.content-preview__hero p{margin:0;opacity:.85}.content-preview__hero.is-light{color:var(--admin-ink);background:#fff;border:1px solid var(--admin-line)}.content-preview__logos{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;align-items:center}.content-preview__logos img{max-width:100%;max-height:54px;margin:auto;object-fit:contain}.content-preview__pairs{display:grid;gap:6px;margin:0}.content-preview__pairs div{display:grid;grid-template-columns:90px 1fr;gap:8px}.content-preview__pairs dt{color:var(--admin-muted)}.content-preview__pairs dd{margin:0}@media(max-width:900px){.admin-sidebar,.admin-sidebar.is-collapsed{width:var(--sidebar-w);transform:translate(-100%);transition:transform .24s cubic-bezier(.32,.72,0,1);box-shadow:0 0 40px #0000002e}.admin-sidebar.is-open{transform:none}.admin-sidebar.is-collapsed .nav-row__label,.admin-sidebar.is-collapsed .nav-row__chevron,.admin-sidebar.is-collapsed .admin-nav__section h3,.admin-sidebar.is-collapsed .admin-brand__text,.admin-sidebar.is-collapsed .admin-quick-search span{display:initial}.admin-sidebar__foot{display:none}.admin-scrim{position:fixed;z-index:55;top:0;right:0;bottom:0;left:0;display:block;background:#0f192052;opacity:0;pointer-events:none;transition:opacity .2s}.admin-scrim.is-open{opacity:1;pointer-events:auto}.admin-shell,.admin-app.is-collapsed .admin-shell{margin-left:0}.admin-menu{display:grid;place-items:center;width:36px;height:36px;padding:0;color:var(--admin-ink);border:0;border-radius:9px;background:transparent}.admin-topbar{padding:0 14px;top:0;width:auto}.admin-topbar-actions{display:flex!important}.admin-topbar-actions a span,.admin-top-search span,.admin-top-search kbd{display:none}.admin-main{padding:22px 16px 60px}.content-admin-list article,.content-admin-list.is-ordered article{grid-template-columns:1fr auto}.content-admin-list .rank-actions{grid-column:1 / -1}.content-admin-list article>a{display:none}}.admin-sidebar nav button.nav-row{gap:12px;padding:0 12px;color:var(--admin-ink);border-radius:9px;background:transparent;box-shadow:none}.admin-sidebar nav button.nav-row:hover{color:var(--admin-ink);background:var(--admin-hover)}.admin-sidebar nav .nav-group.has-active>button.nav-row{font-weight:700}.admin-sidebar.is-collapsed nav button.nav-row{padding:0}.admin-sidebar nav .admin-nav__section{margin-bottom:0}.admin-sidebar nav h3{margin:0 0 6px;padding:0 12px;color:var(--admin-muted);font-size:13.5px;font-weight:500}.admin-visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.admin-list-toolbar{margin-bottom:16px}.admin-list-search{flex:1 1 280px;max-width:480px}.admin-list-search input{width:100%}.admin-pagination{display:flex;flex-wrap:wrap;align-items:center;gap:12px 20px;padding:16px 20px;border-top:1px solid var(--admin-line);font-size:14px;color:var(--admin-muted)}.admin-pagination-summary{flex:1 1 180px}.admin-pagination label{display:flex;align-items:center;gap:8px;white-space:nowrap}.admin-pagination select{padding:7px 10px;border:1px solid var(--admin-line);border-radius:6px;background:#fff;color:var(--admin-ink);font:inherit}.admin-pagination-pages{display:flex;flex-wrap:wrap;align-items:center;gap:6px}.admin-pagination button{min-width:34px;min-height:34px;padding:6px 10px;border:1px solid var(--admin-line);border-radius:6px;background:#fff;color:var(--admin-ink);font:inherit;cursor:pointer}.admin-pagination button:hover:not(:disabled){background:var(--admin-hover)}.admin-pagination button[aria-current=page]{color:#fff;background:#155f8a;border-color:#155f8a}.admin-pagination button:disabled{opacity:.45;cursor:default}.admin-pagination :is(button,select):focus-visible,.admin-list-search input:focus-visible{outline:2px solid #155f8a;outline-offset:2px}@media(max-width:640px){.admin-pagination{padding:14px;gap:12px}.admin-pagination-pages{width:100%}.admin-pagination-pages button{padding:6px 8px}.admin-list-search{max-width:none}}.course-gallery{min-width:0}.course-gallery>img{display:block;width:100%;aspect-ratio:1;object-fit:cover;background:#f2f8fb;border-radius:18px}.course-gallery__controls{display:flex;align-items:center;justify-content:space-between;padding:10px 0}.course-gallery__controls button{font-size:27px;background:#fff;border:1px solid #c5dce8;color:var(--ink);padding:2px 16px;cursor:pointer}.course-gallery__thumbs{display:flex;gap:8px;overflow:auto}.course-gallery__thumbs button{flex:0 0 70px;padding:3px;background:#fff;border:2px solid transparent;cursor:pointer}.course-gallery__thumbs button[aria-pressed=true]{border-color:var(--cyan)}.course-gallery__thumbs img{display:block;width:100%;height:55px;object-fit:cover}.course-community{width:min(1120px,calc(100% - 48px));margin:40px auto 90px;background:#fff;padding:30px 40px}.course-tabs{display:flex;border-bottom:1px solid #c5dce8;gap:25px;margin-bottom:32px;overflow:auto}.course-tabs button{white-space:nowrap;padding:15px 3px;background:transparent;border:0;border-bottom:3px solid transparent;color:#5d6f78;font:inherit;cursor:pointer}.course-tabs button[aria-selected=true]{color:var(--blue);border-color:var(--cyan);font-weight:700}.course-community h3{color:var(--ink)}.course-community p{line-height:1.85}.course-community form{max-width:720px;margin:25px 0}.course-community form small{display:block;margin-top:12px}.course-community textarea{resize:vertical}.course-community .primary-action{margin-top:0}.source-note{background:var(--pale);padding:16px 20px;font-size:13px}.course-html{line-height:1.9;overflow-wrap:anywhere}.course-html img{max-width:100%;height:auto;display:block;margin:20px auto}.course-html table{max-width:100%;width:auto!important;overflow:auto;display:block}.course-html td,.course-html th{padding:8px}.course-html a{color:var(--blue);text-decoration:underline}.community-item{padding:22px 0;border-top:1px solid #dbe9ee}.community-item p,.lesson-notes p{white-space:pre-wrap}.community-item strong{color:var(--ink)}.community-item strong span{margin-left:15px;color:#ab801e}.community-item blockquote{margin:18px 0 0;padding:16px 20px;background:var(--pale);border-left:3px solid var(--cyan)}.curriculum{list-style:none;margin:0;padding:0}.curriculum .curriculum{padding-left:15px}.curriculum summary{padding:14px 5px;cursor:pointer;color:var(--ink);font-weight:700}.curriculum button{display:flex;justify-content:space-between;gap:15px;width:100%;text-align:left;padding:14px 12px;border:0;background:transparent;color:#405965;font:inherit;cursor:pointer}.curriculum button.is-active{background:#e2f3f9;border-left:3px solid var(--cyan)}.curriculum small{white-space:nowrap}.curriculum button:disabled{opacity:1;cursor:default}.learning-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:28px;width:min(1320px,calc(100% - 48px));margin:45px auto}.learning-layout h2,.learning-layout h3{color:var(--ink)}.learning-layout h2{font-size:27px}.learning-layout aside{background:#fff;padding:20px;align-self:start;max-height:75vh;overflow:auto;position:sticky;top:120px}.learning-player iframe{display:block;width:100%;aspect-ratio:16/9;border:0;background:#102c3b}.player-empty{display:grid;place-items:center;aspect-ratio:16/9;background:#e0edf4;text-align:center;padding:30px;color:var(--ink)}.watch-timeline{position:relative;height:12px;margin:18px 0;background:#cedfe8;overflow:hidden}.watch-timeline span{position:absolute;height:100%;background:var(--cyan)}.watch-timeline i{position:absolute;height:100%;width:3px;background:var(--ink)}.watch-controls{display:flex;align-items:center;gap:25px}.watch-controls>span{white-space:nowrap}.watch-controls label{display:flex;align-items:center;gap:15px;flex:1;font-size:13px}.watch-controls input{flex:1;min-width:0;accent-color:var(--blue)}.lesson-notes{padding:20px;background:#fff;margin-top:25px}.my-learning{width:min(1050px,calc(100% - 48px));margin:40px auto 90px}.my-learning>a{display:flex;align-items:center;gap:25px;padding:22px 0;border-bottom:1px solid #c5dce8}.my-learning img{width:130px;height:90px;object-fit:contain}.my-learning h3{color:var(--ink)}.purchase-bar button:disabled{opacity:.5;cursor:default}.course-price del{font-size:13px}.buy-now{display:flex;align-items:center;justify-content:center}:where(button,a,input,select,textarea,summary):focus-visible{outline:3px solid #33a9b9;outline-offset:3px}@media(max-width:1150px){.learning-layout{grid-template-columns:minmax(0,1fr) 270px}}@media(max-width:780px){.course-community{padding:20px;width:calc(100% - 32px)}.course-tabs{gap:18px}.learning-layout{grid-template-columns:1fr;width:calc(100% - 32px)}.learning-layout aside{position:static;max-height:none}.watch-controls{gap:10px;font-size:12px}.watch-controls label{flex-direction:column;align-items:stretch;gap:0}.course-detail__summary{padding-top:20px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}.citations{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0 0}.citation-link{display:inline-block;padding:3px 10px;border-radius:999px;background:#e3f2f8;color:#176f9f;font-size:13px;text-decoration:none}.citation-link:hover{background:#cfe8f2}.hero__content{pointer-events:none}.hero__content form,.hero__content a,.hero__content button{pointer-events:auto}.hero__slide:not(.is-active){pointer-events:none}a.hero__slide{display:block}.form-notice.is-error{color:#b42318}.field-hint{display:block;margin:-4px 0 14px;color:#5f7682;font-size:13px}.text-button{border:0;background:none;color:#176f9f;text-decoration:underline;cursor:pointer;font:inherit;padding:0}.verified-tag{display:inline-block;padding:1px 8px;border-radius:999px;background:#e3f5ea;color:#1b7f45;font-size:12px}.account-links a+a{margin-left:16px}.profile-form{margin-top:32px;padding-top:24px;border-top:1px solid #d6e7f0}.profile-form h3{margin:0 0 16px;color:#155f8a}.profile-form select{width:100%;min-height:44px;border:1px solid #c5dce8;border-radius:8px;padding:0 12px;background:#fff}.order-list,.certificate-list{display:grid;gap:16px}.order-list article{border:1px solid #d6e7f0;border-radius:12px;padding:18px 20px;background:#fff}.order-list header,.order-list footer,.order-list li{display:flex;justify-content:space-between;gap:12px;align-items:center}.order-list ul{list-style:none;margin:12px 0;padding:12px 0;border-block:1px dashed #d6e7f0;display:grid;gap:6px}.order-list a{color:#155f8a}.order-list footer span,.order-invoice{color:#5f7682;font-size:14px}.order-invoice{margin:10px 0 0}.status-pill{padding:2px 10px;border-radius:999px;font-size:13px;background:#fff4e0;color:#9a5b00}.status-pill--paid{background:#e3f5ea;color:#1b7f45}.status-pill--failed{background:#fdecea;color:#b42318}.status-pill--muted{background:#eef2f4;color:#5f7682}.certificate-list a{display:grid;gap:4px;padding:18px 20px;border:1px solid #d6e7f0;border-radius:12px;background:#fff;color:#405965;text-decoration:none}.certificate-list strong{color:#155f8a;font-size:18px}.certificate-list b{color:#176f9f}.invoice-choice{display:grid;gap:8px;margin:16px 0;padding:14px;border:1px solid #d6e7f0;border-radius:10px;text-align:left}.invoice-choice legend{padding:0 6px;color:#155f8a;font-weight:700}.invoice-choice select,.invoice-choice input{min-height:40px;border:1px solid #c5dce8;border-radius:8px;padding:0 10px;font:inherit}.invoice-choice small{color:#5f7682}.survey-form{display:grid;gap:18px}.survey-form h2{margin:0;color:#155f8a}.survey-course{margin:-10px 0 0;color:#5f7682}.survey-field{border:1px solid #d6e7f0;border-radius:12px;padding:16px 18px;background:#fff}.survey-field legend{padding:0 6px;font-weight:700;color:#155f8a}.survey-field textarea{width:100%;border:1px solid #c5dce8;border-radius:8px;padding:10px;font:inherit;box-sizing:border-box}.likert{display:flex;flex-wrap:wrap;gap:10px;align-items:center}.likert label{position:relative}.likert input{position:absolute;opacity:0}.likert span{display:grid;place-items:center;width:44px;height:44px;border:1px solid #c5dce8;border-radius:50%;cursor:pointer;font-weight:700;color:#155f8a}.likert input:checked+span{background:#176f9f;border-color:#176f9f;color:#fff}.likert input:focus-visible+span{outline:3px solid #33a9b9;outline-offset:2px}.likert small{width:100%;color:#5f7682}.survey-option{display:block;padding:6px 0}.learning-status{display:flex;flex-wrap:wrap;gap:8px 16px;align-items:center;margin:4px 0 18px;color:#5f7682;font-size:14px}.learning-progress{flex:1 0 100%;height:8px;border-radius:99px;background:#d6e7f0;overflow:hidden}.learning-progress i{display:block;height:100%;background:linear-gradient(90deg,#176f9f,#33a9b9)}.learning-badge{padding:4px 12px;border-radius:999px;background:#176f9f;color:#fff;text-decoration:none;font-size:14px}.learning-badge.is-muted{background:#eef2f4;color:#5f7682}.my-learning__links{margin-top:-8px}.verify-form{display:grid;gap:10px}.verify-result{margin-top:20px;padding:18px 20px;border-radius:12px}.verify-result.is-valid{background:#e3f5ea;color:#145c33}.verify-result.is-invalid{background:#fdecea;color:#8a1c12}.verify-result h2{margin:0 0 8px}.certificate-shell{min-height:100vh;background:#e7eef2;padding:24px 16px 48px;box-sizing:border-box}.certificate-toolbar{max-width:1000px;margin:0 auto 16px;display:flex;justify-content:space-between;align-items:center}.certificate-toolbar a{color:#155f8a}.certificate-toolbar button{border:0;border-radius:999px;padding:10px 20px;background:#176f9f;color:#fff;font:inherit;cursor:pointer}.certificate{--accent: #176f9f;position:relative;max-width:1000px;aspect-ratio:297 / 210;margin:0 auto;padding:6% 8%;box-sizing:border-box;background:#fff center / cover no-repeat;border:14px solid var(--accent);outline:2px solid var(--accent);outline-offset:-26px;text-align:center;color:#2b3f49;display:flex;flex-direction:column;justify-content:center}.certificate__logo{width:120px;margin:0 auto 12px}.certificate h1{margin:0;font-size:clamp(28px,5vw,52px);letter-spacing:.3em;color:var(--accent)}.certificate__sub{margin:4px 0 24px;letter-spacing:.2em;text-transform:uppercase;font-size:clamp(11px,1.4vw,15px);color:#5f7682}.certificate__name{margin:0 0 16px;font-size:clamp(24px,4.2vw,44px);font-weight:700;border-bottom:2px solid #c5dce8;display:inline-block;align-self:center;padding:0 40px 6px}.certificate__body{margin:0 auto;max-width:80%;font-size:clamp(14px,2vw,20px);line-height:1.9}.certificate__meta{display:flex;justify-content:space-between;gap:12px;margin-top:7%;text-align:left}.certificate__meta span{display:block;font-size:12px;color:#5f7682}.certificate__meta strong{font-size:clamp(12px,1.6vw,16px)}.certificate__verify{position:absolute;bottom:4.5%;left:0;right:0;font-size:11px;color:#7b8f99}@media print{@page{size:A4 landscape;margin:0}body{background:#fff}.certificate-shell{padding:0;background:#fff}.certificate-toolbar{display:none}.certificate{max-width:none;width:297mm;height:210mm;aspect-ratio:auto;-webkit-print-color-adjust:exact;print-color-adjust:exact}}@media(max-width:600px){.certificate__meta{flex-direction:column;margin-top:4%}.certificate__verify{position:static;margin-top:8px}}:root{--blue: #176f9f;--cyan: #33a9b9;--ink: #155f8a;--pale: #eef8fd;--line: #a8bdc8}*{box-sizing:border-box}html{min-height:100%;scroll-behavior:smooth;background:#edf7fb}body{min-height:100vh;margin:0;color:#5d6f78;font-family:Noto Sans TC,sans-serif;background:transparent;isolation:isolate}body:before{content:"";position:fixed;z-index:-2;top:0;right:0;bottom:0;left:0;pointer-events:none;background:radial-gradient(circle at 8% 18%,rgba(139,214,226,.2),transparent 30%),radial-gradient(circle at 88% 78%,rgba(23,111,159,.1),transparent 34%),linear-gradient(180deg,#f9fdff,#edf7fb)}a{color:inherit;text-decoration:none}button,input{font:inherit}.empty{padding:150px 20px;text-align:center}.empty h2{color:var(--ink)}.empty button{padding:11px 24px;color:#fff;border:0;border-radius:24px;background:var(--blue)}.page-content{width:min(1050px,calc(100% - 48px));margin:0 auto;padding:78px 0 110px;color:#576d78;font-size:16px;line-height:2}.page-content>h2{margin:0 0 25px;color:var(--ink);font-size:30px}.page-content p{margin:0 0 26px}.page-content__quote{padding:25px 30px;color:var(--ink);border-left:4px solid var(--cyan);background:#eef9fd;font-size:18px;font-weight:600}.directions{margin-top:55px;padding-top:38px;border-top:1px solid #b7d1dd}.directions h2{color:var(--ink);font-size:27px}.directions li{margin:5px 0;padding-left:8px}.terms-section{padding:27px 0;border-top:1px solid #c9dde6}.terms-section h3{margin:0 0 10px;color:var(--ink);font-size:21px}.terms-section p{margin:0}.terms-section a{color:var(--blue);font-weight:700}.teacher-content{width:min(1120px,calc(100% - 48px));margin:-50px auto 110px;padding:75px;position:relative;background:#fff;box-shadow:0 16px 45px #124f7021}.teacher-content__cover{display:block;width:100%;max-height:540px;object-fit:cover}.teacher-videos{display:grid;grid-template-columns:repeat(2,1fr);gap:40px;margin-top:65px}.teacher-videos article{position:relative;padding-bottom:18px;border-bottom:1px solid #b5ced9}.video-frame{aspect-ratio:16 / 9;background:#dceef5}.video-frame iframe{display:block;width:100%;height:100%;border:0}.teacher-videos h2{display:inline-block;margin:22px 8px 0 0;color:var(--ink);font-size:20px}.teacher-videos time{color:#78919d}.instructor-content{width:min(980px,calc(100% - 48px));margin:0 auto;padding:75px 0 110px}.instructor-content__intro{margin:0 0 45px;padding:27px 32px;color:var(--ink);border-left:4px solid var(--cyan);background:#edf8fd;font-size:18px;font-weight:600}.instructor-content section{display:grid;grid-template-columns:330px 1fr;gap:35px;padding:31px 0;border-top:1px solid #c6dce6}.instructor-content h2{margin:0;color:var(--ink);font-size:22px}.instructor-content ol{margin:0;padding-left:24px;line-height:2}.primary-action{display:inline-flex;align-items:center;justify-content:center;min-width:150px;margin-top:26px;padding:13px 28px;color:#fff;border:0;border-radius:28px;background:linear-gradient(90deg,var(--blue),var(--cyan));font-weight:700;cursor:pointer}.account-panel{width:min(620px,calc(100% - 40px));margin:-50px auto 110px;padding:65px 75px;position:relative;background:#fff;box-shadow:0 16px 45px #124f7024}.account-panel--wide{width:min(930px,calc(100% - 40px))}.form-field{display:block;margin-bottom:24px;color:#315c70;font-weight:600}.form-field>span{display:block;margin-bottom:8px}.form-field b,.choice-group b{color:#1e9cb3}.form-field input{width:100%;height:48px;padding:0 15px;color:#405965;border:1px solid #aec8d4;border-radius:3px;outline:none;background:#fbfdfe}.form-field input:focus{border-color:var(--cyan);box-shadow:0 0 0 3px #33a9b921}.captcha-row{display:grid;grid-template-columns:1fr 105px;gap:12px}.captcha-row strong{display:grid;place-items:center;color:#fff;border-radius:3px;background:repeating-linear-gradient(135deg,#176f9f 0,#176f9f 9px,#2a91ae 9px,#2a91ae 18px);font-size:21px;letter-spacing:.18em}.account-panel .primary-action{width:100%}.account-links{display:flex;justify-content:center;gap:25px;margin-top:24px}.account-links a,.account-links button{padding:0;color:var(--ink);border:0;background:none;cursor:pointer;font-weight:600}.form-notice{margin:22px 0 0;padding:13px 16px;color:var(--ink);background:#eaf7fb;line-height:1.6}.registration-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 28px}.choice-group{display:flex;align-items:center;gap:25px;margin:0 0 24px;padding:18px 20px;border:1px solid #c5d7df}.choice-group legend{padding:0 8px;color:#315c70;font-weight:600}.choice-group label{display:flex;gap:7px;align-items:center}.registration-terms{margin-top:38px;padding:25px 28px;background:#edf8fd}.registration-terms h2{margin:0 0 8px;color:var(--ink);font-size:20px}.registration-terms p{color:#657c86;line-height:1.8}.registration-terms label{color:var(--ink);font-weight:600}.registration-terms a{margin-left:4px;text-decoration:underline}.course-detail{width:min(1170px,calc(100% - 48px));margin:-50px auto 0;padding:62px 70px 75px;position:relative;background:#fff;box-shadow:0 15px 42px #124f7021}.course-detail>h2{margin:0 0 28px;color:#258eaa;font-size:30px}.course-detail__main{display:grid;grid-template-columns:2fr 1fr;gap:28px}.course-detail__media{display:grid;place-items:center;min-height:390px;background-color:#07131a;background-position:center;background-size:cover}.course-detail__media:before{content:"";position:absolute}.course-detail__media span{display:grid;place-items:center;width:120px;height:120px;color:#fff;border-radius:50%;background:#000000b8;font-size:38px}.course-detail__media small{display:block;margin-top:4px;font-size:14px}.course-detail__summary{padding:38px 30px;color:#60737d;background:linear-gradient(180deg,#4ea9bb,#277ca8)}.course-detail__summary>span{color:#fff;opacity:.85}.course-detail__summary h3{margin:12px 0 20px;color:#fff;font-size:28px}.course-detail__summary p{color:#fff;line-height:1.9}.course-detail__summary dl{margin-top:32px;color:#fff}.course-detail__summary dl div{display:flex;justify-content:space-between;padding:12px 0;border-top:1px solid rgba(255,255,255,.35)}.course-detail__summary dd{margin:0}.purchase-bar{padding:55px 24px;background:#eef9fe}.purchase-bar__inner{width:min(1170px,100%);margin:auto;display:flex;justify-content:space-between;align-items:center}.course-price{display:flex;align-items:center;gap:35px;color:var(--blue);font-size:23px;font-weight:700}.course-price b{color:#064a75;font-size:42px;letter-spacing:.06em}.purchase-actions{display:flex;align-items:center;gap:22px}.buy-now{min-width:190px;padding:15px 30px;color:var(--blue);border:2px solid var(--blue);border-radius:32px;background:#fff;font-size:18px;font-weight:700;cursor:pointer}.round-action{width:62px;height:62px;color:#fff;border:0;border-radius:50%;background:linear-gradient(180deg,var(--cyan),var(--blue));font-size:28px;cursor:pointer;box-shadow:0 4px 10px #0c537a33}.round-action.is-active{color:#ffeff1;outline:4px solid rgba(51,169,185,.23)}.loading-state{min-height:400px;display:grid;place-items:center;color:var(--ink)}.cart-page{width:min(1100px,calc(100% - 48px));min-height:460px;margin:0 auto;padding:75px 0 110px;display:grid;grid-template-columns:1fr 330px;gap:45px}.cart-list article{display:grid;grid-template-columns:150px 1fr auto auto;gap:22px;align-items:center;padding:22px 0;border-bottom:1px solid #c7dce5}.cart-list img{width:150px;height:95px;object-fit:cover}.cart-list h2{margin:0 0 7px;color:var(--ink);font-size:21px}.cart-list p{margin:0}.cart-list strong{color:var(--blue)}.cart-list button{color:#647b86;border:0;background:none;cursor:pointer;text-decoration:underline}.cart-summary{align-self:start;padding:28px;background:#edf8fd}.cart-summary>strong{display:block;color:var(--ink);font-size:25px}.cart-summary .primary-action{width:100%}.cart-summary small{display:block;margin-top:18px;line-height:1.7}.cart-empty,.payment-result{grid-column:1 / -1;padding:80px 20px;text-align:center}.cart-empty h2,.payment-result h2{color:var(--ink)}.payment-result{min-height:430px}:root{--glass-border: rgba(132,174,194,.38);--glass-fill: rgba(255,255,255,.76);--glass-shadow: 0 18px 55px rgba(28,88,118,.12), inset 0 1px 0 rgba(255,255,255,.82);--radius-xl: 36px;--radius-lg: 28px;--radius-md: 18px}body{background:transparent}.page-content,.teacher-content,.instructor-content,.account-panel,.course-detail,.cart-summary,.cart-empty,.payment-result{border:1px solid var(--glass-border);border-radius:var(--radius-xl);background:#ffffffc7;box-shadow:var(--glass-shadow);backdrop-filter:blur(22px) saturate(130%);-webkit-backdrop-filter:blur(22px) saturate(130%)}.page-content,.instructor-content{margin-top:32px;margin-bottom:70px;padding:58px 64px}.teacher-content,.account-panel,.course-detail{overflow:hidden}.teacher-content__cover,.video-frame,.course-detail__media,.course-detail__summary{border-radius:var(--radius-md)}.page-content__quote,.instructor-content__intro,.registration-terms,.form-notice{border:1px solid rgba(110,178,199,.32);border-left:4px solid var(--cyan);border-radius:var(--radius-md);background:#e8f8fdb8}.form-field input,.choice-group{border-radius:14px;background:#ffffffb3}.google-login{display:flex;align-items:center;justify-content:center;gap:13px;min-height:52px;padding:0 20px;color:#33445a;border:1px solid rgba(91,118,136,.35);border-radius:16px;background:#ffffffe0;box-shadow:0 8px 24px #1f5b7717,inset 0 1px #fff;font-weight:600;transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease}.google-login:hover{border-color:#4285f48c;box-shadow:0 12px 28px #1f5b7724,inset 0 1px #fff;transform:translateY(-1px)}.google-login:focus-visible{outline:3px solid rgba(66,133,244,.25);outline-offset:3px}.google-login svg{flex:0 0 auto;width:22px;height:22px}.social-login-list{display:grid;gap:11px;margin-top:12px}.social-login-hint{margin:14px 2px 0;color:#557282;font-size:13px;line-height:1.65}.social-login--facebook{color:#1554a8;border-color:#1877f247;background:#f5f9ff}.social-login--facebook:hover{border-color:#1877f2;background:#eaf3ff}.social-login--line{color:#fff;border-color:#06c755;background:#06c755}.social-login--line:hover{color:#fff;border-color:#05b94e;background:#05b94e}.social-login__mark{display:grid;place-items:center;width:26px;height:26px;color:#fff;border-radius:8px;background:#1877f2;font-size:21px;font-weight:800;line-height:1}.social-login--line .social-login__mark{width:32px;height:25px;border-radius:6px;background:#fff;color:#06c755;font-size:10px}.login-divider{display:flex;align-items:center;gap:14px;margin:25px 0;color:#78909b;font-size:13px}.login-divider:before,.login-divider:after{content:"";flex:1;height:1px;background:#6e97a94d}.signed-in-user{display:flex;align-items:center;gap:15px;margin-bottom:28px;padding:16px;border:1px solid var(--glass-border);border-radius:18px;background:#ffffff9e}.signed-in-user img{width:48px;height:48px;border-radius:50%;object-fit:cover}.signed-in-user div{min-width:0;flex:1}.signed-in-user strong,.signed-in-user span{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.signed-in-user strong{color:var(--ink)}.signed-in-user span{margin-top:3px;font-size:13px}.signed-in-user button{padding:7px 12px;color:var(--ink);border:1px solid rgba(110,151,169,.35);border-radius:12px;background:#ffffffb3;cursor:pointer}.profile-page{width:min(760px,calc(100% - 40px))}.profile-page__identity{display:flex;align-items:center;gap:24px;padding-bottom:30px;border-bottom:1px solid rgba(110,151,169,.28)}.profile-page__identity img{width:88px;height:88px;border-radius:50%;object-fit:cover;box-shadow:0 12px 28px #1453702e}.profile-page__identity h2{margin:0;color:var(--ink);font-size:28px}.profile-page__identity p{margin:4px 0 10px}.profile-page__identity span{display:inline-block;padding:5px 10px;color:var(--blue);border-radius:12px;background:#33a9b91f;font-size:12px;font-weight:700}.account-connections{margin-top:26px;padding:22px 24px;border:1px solid rgba(110,151,169,.3);border-radius:20px;background:#ffffff9e}.account-connections h3{margin:0 0 6px;color:var(--ink)}.account-connections p{margin:0 0 18px;font-size:14px}.account-connections__actions{display:flex;flex-wrap:wrap;align-items:center;gap:10px}.account-connections__actions .google-login{min-height:42px;padding:0 16px;font-size:14px}.account-connections__actions>span{padding:10px 14px;color:#167144;border-radius:12px;background:#e7f9ef;font-size:14px;font-weight:700}.profile-page__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:28px}.profile-page__grid article{padding:22px;border:1px solid var(--glass-border);border-radius:20px;background:#ffffff94}.profile-page__grid strong,.profile-page__grid span{display:block}.profile-page__grid strong{color:var(--ink);font-size:18px}.profile-page__grid span{margin-top:7px;font-size:13px}.profile-page__empty{text-align:center}.cart-page{align-items:start}.cart-list{padding:12px 28px;border:1px solid var(--glass-border);border-radius:var(--radius-lg);background:#ffffffb8;box-shadow:var(--glass-shadow)}.cart-list article:last-child{border-bottom:0}.purchase-bar{width:calc(100% - 32px);margin:22px auto;border:1px solid var(--glass-border);border-radius:var(--radius-xl);background:#eef9febd;box-shadow:var(--glass-shadow);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}@media(max-width:760px){.page-content{width:min(100% - 34px,1050px);padding:55px 0 80px}.teacher-content{width:calc(100% - 28px);padding:18px;margin-bottom:75px}.teacher-videos{grid-template-columns:1fr;gap:45px;margin-top:45px}.instructor-content{width:calc(100% - 34px);padding:55px 0 80px}.instructor-content section{grid-template-columns:1fr;gap:8px}.account-panel,.account-panel--wide{width:calc(100% - 28px);padding:38px 23px;margin-bottom:75px}.profile-page__identity{align-items:flex-start}.profile-page__identity img{width:68px;height:68px}.profile-page__grid,.registration-grid{grid-template-columns:1fr}.choice-group{flex-wrap:wrap}.course-detail{width:calc(100% - 28px);padding:35px 20px}.course-detail__main{grid-template-columns:1fr}.course-detail__media{min-height:260px}.purchase-bar__inner{align-items:flex-start;flex-direction:column;gap:28px}.course-price{gap:15px}.course-price b{font-size:30px}.purchase-actions{width:100%;gap:13px}.buy-now{flex:1;min-width:0}.round-action{width:54px;height:54px}.cart-page{width:calc(100% - 34px);grid-template-columns:1fr}.cart-list article{grid-template-columns:100px 1fr}.cart-list img{width:100px;height:72px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}}:root{--ink: #0f2e42;--ink-2: #3d5a6c;--ink-3: #6f8898;--blue: #176f9f;--blue-deep: #0f5a85;--cyan: #2a9fb2;--gold: #b08a45;--gold-soft: #f6efe2;--paper: #f4f8fa;--surface: #ffffff;--hair: rgba(15, 46, 66, .09);--hair-strong: rgba(15, 46, 66, .16);--pale: #eaf4f8;--line: var(--hair-strong);--glass-border: rgba(15, 46, 66, .08);--glass-fill: rgba(255, 255, 255, .86);--glass-shadow: 0 1px 2px rgba(15, 46, 66, .04), 0 12px 40px rgba(15, 46, 66, .08);--shadow-lift: 0 2px 6px rgba(15, 46, 66, .05), 0 22px 50px rgba(15, 46, 66, .14);--radius-xl: 32px;--radius-lg: 24px;--radius-md: 16px;--serif: "Noto Serif TC", "Noto Serif CJK TC", "Songti TC", serif;--sans: "Noto Sans TC", "Noto Sans CJK TC", -apple-system, "PingFang TC", system-ui, sans-serif;--spring: linear(0, .023, .079, .153, .236, .32, .402, .479, .55, .614, .67, .72, .763, .8, .832, .86, .883, .902, .919, .933, .944, .954, .962, .969, .974, .979, .983, .986, .988, .99, .992, .994, .995, .996, .997, .997, .998, .998, .998, .999, 1);--spring-ms: .58s;--bounce: linear(0, .02, .071, .143, .227, .316, .405, .491, .572, .645, .711, .769, .819, .862, .897, .927, .95, .969, .983, .994, 1.002, 1.008, 1.012, 1.014, 1.015, 1.015, 1.015, 1.014, 1.013, 1.011, 1.01, 1.009, 1.007, 1.006, 1.005, 1.004, 1.003, 1.003, 1.002, 1.001, 1);--bounce-ms: .54s;--ease-out: cubic-bezier(.23, 1, .32, 1);--ease-in-out: cubic-bezier(.77, 0, .175, 1);--ease-drawer: cubic-bezier(.32, .72, 0, 1);--header-h: 64px}@supports not (transition-timing-function: linear(0,1)){:root{--spring: cubic-bezier(.22, 1, .36, 1);--bounce: cubic-bezier(.34, 1.3, .64, 1)}}html{background:var(--paper);scroll-padding-top:100px;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}html.has-sheet{overflow:hidden}body{color:var(--ink-2);font-family:var(--sans);font-size:16px;line-height:1.7;background:var(--paper)}body:before{background:radial-gradient(900px 500px at 12% -10%,rgba(42,159,178,.09),transparent 70%),radial-gradient(800px 600px at 100% 20%,rgba(23,111,159,.06),transparent 70%),var(--paper)}button,input,select,textarea{font:inherit}::selection{background:#2a9fb238;color:var(--ink)}:where(button,a,input,select,textarea,summary):focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:10px}.text-link{position:relative;padding:4px 0;color:var(--blue);border:0;background:none;font-size:15px;font-weight:500;cursor:pointer}.text-link:after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:currentColor;transform:scaleX(.35);transform-origin:left;opacity:.5;transition:transform var(--spring-ms) var(--spring),opacity .2s}.text-link:hover:after{transform:scaleX(1);opacity:1}.primary-action{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:8px;min-width:150px;min-height:48px;margin-top:26px;padding:0 26px;overflow:hidden;color:#fff;border:0;border-radius:999px;background:var(--blue);box-shadow:0 1px #ffffff40 inset,0 8px 20px #176f9f38;font-weight:700;letter-spacing:.02em;cursor:pointer;transition:background-color .2s,box-shadow .3s,transform var(--spring-ms) var(--spring)}.primary-action:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(105deg,transparent 35%,rgba(255,255,255,.32) 50%,transparent 65%);transform:translate(-120%);pointer-events:none}.primary-action:hover{background:var(--blue-deep);box-shadow:0 1px #ffffff40 inset,0 12px 28px #176f9f4d}.primary-action:hover:after{transform:translate(120%);transition:transform .9s var(--ease-out)}.primary-action:active{transform:scale(.97);transition-duration:80ms}.primary-action:disabled{opacity:.55;cursor:default}.header{position:fixed;z-index:40;top:14px;left:50%;display:flex;align-items:center;gap:6px;width:min(1320px,calc(100% - 28px));height:var(--header-h);padding:0 10px 0 18px;color:#fff;border:1px solid rgba(255,255,255,.18);border-radius:22px;background:#081e2d29;box-shadow:inset 0 1px #ffffff1f;backdrop-filter:blur(18px) saturate(160%);-webkit-backdrop-filter:blur(18px) saturate(160%);transform:translate(-50%);transition:color .35s ease,background-color .45s ease,border-color .45s ease,box-shadow .45s ease,width var(--spring-ms) var(--spring),top var(--spring-ms) var(--spring)}.header--solid{top:10px;width:min(1280px,calc(100% - 24px));color:var(--ink);border-color:#ffffffb3;background:#ffffffb8;box-shadow:0 1px #ffffffe6 inset,0 10px 36px #0f2e421a,0 0 0 1px var(--glass-border)}.logo{position:relative;display:block;flex:0 0 auto;width:118px;height:40px;margin-right:10px;border-radius:10px;transition:transform var(--spring-ms) var(--spring)}.logo img{position:absolute;left:0;top:50%;width:118px;height:auto;transform:translateY(-50%);transition:opacity .35s ease}.logo__dark,.header--solid .logo__light{opacity:0}.header--solid .logo__dark{opacity:1}.logo:active{transform:scale(.96)}.nav{display:flex;flex:1;align-items:center;gap:4px;min-width:0;font-weight:500}.nav__spacer{flex:1}.nav__link,.category{position:relative;display:inline-flex;align-items:center;gap:4px;height:40px;padding:0 14px;color:inherit;border:0;border-radius:12px;background:transparent;font-size:15px;font-weight:500;white-space:nowrap;cursor:pointer;transition:background-color .2s ease,transform var(--spring-ms) var(--spring)}.nav__link:hover,.category:hover,.category[aria-expanded=true]{background:#ffffff24}.header--solid .nav__link:hover,.header--solid .category:hover,.header--solid .category[aria-expanded=true]{background:#0f2e420f}.nav__link:active,.category:active{transform:scale(.96);transition-duration:80ms}.nav__link[aria-current=page]:after{content:"";position:absolute;left:50%;bottom:4px;width:4px;height:4px;border-radius:50%;background:currentColor;transform:translate(-50%)}.category-wrap{position:relative}.category__chevron{display:inline-grid;width:16px;height:16px;transition:transform var(--spring-ms) var(--spring)}.category__chevron svg{width:16px;height:16px}.category__chevron.is-open{transform:rotate(180deg)}.category-menu{position:absolute;top:calc(100% + 14px);left:-6px;display:grid;gap:2px;width:290px;padding:8px;color:var(--ink);border:1px solid rgba(255,255,255,.8);border-radius:20px;background:#ffffffe0;box-shadow:var(--shadow-lift),0 0 0 1px var(--glass-border);backdrop-filter:blur(28px) saturate(180%);-webkit-backdrop-filter:blur(28px) saturate(180%);opacity:0;transform:translateY(-6px) scale(.96);transform-origin:30px top;pointer-events:none;transition:opacity .15s ease,transform .15s var(--ease-out)}.category-menu.is-open{opacity:1;transform:none;pointer-events:auto;transition:opacity .2s var(--ease-out),transform .22s var(--ease-out)}.category-menu a{display:grid;gap:1px;margin:0;padding:11px 14px;border-radius:13px;font-size:15px;transition:background-color .15s ease}.category-menu a strong{font-weight:500}.category-menu a small{color:var(--ink-3);font-size:12.5px}.category-menu a:hover,.category-menu a:focus-visible{color:var(--ink);background:#2a9fb21a;transform:none}.search{position:relative;display:flex;align-items:center;gap:10px}.search__icon{display:inline-grid;flex:0 0 auto;width:18px;height:18px;color:currentColor;opacity:.7}.search__icon svg{width:18px;height:18px}.search input{min-width:0;flex:1;padding:0;color:inherit;border:0;outline:0;background:transparent}.search input::-webkit-search-cancel-button{-webkit-appearance:none}.search--compact{width:190px;height:40px;padding:0 14px;color:inherit;border:1px solid rgba(255,255,255,.22);border-radius:12px;background:#ffffff1a;box-shadow:none;transition:width var(--spring-ms) var(--spring),background-color .2s,border-color .2s}.search--compact input{font-size:14px}.search--compact input::placeholder{color:currentColor;opacity:.7}.search--compact:focus-within{width:250px;border-color:#ffffff80;background:#ffffff2e}.header--solid .search--compact{border-color:transparent;background:#0f2e420d}.header--solid .search--compact:focus-within{border-color:#2a9fb273;background:#fff;box-shadow:0 0 0 4px #2a9fb21f}.cart-link{position:relative;display:grid;place-items:center;width:40px;height:40px;margin:0 2px;padding:0;color:inherit;border:0;border-radius:12px;background:transparent;transition:background-color .2s,transform var(--spring-ms) var(--spring)}.cart-link svg{width:21px;height:21px}.cart-link__label{display:none}.cart-link:hover{background:#ffffff24}.header--solid .cart-link:hover{background:#0f2e420f}.cart-link:active{transform:scale(.92)}.cart-link b{position:absolute;top:3px;right:1px;display:grid;place-items:center;min-width:18px;height:18px;padding:0 5px;color:#fff;border:2px solid transparent;border-radius:9px;background:var(--gold);background-clip:padding-box;font-size:10.5px;font-weight:700;line-height:1;animation:badge-pop var(--bounce-ms) var(--bounce)}@keyframes badge-pop{0%{transform:scale(.3);opacity:0}}.nav-cta{display:inline-flex;align-items:center;gap:7px;height:40px;margin-left:4px;padding:0 18px;color:var(--ink);border:0;border-radius:12px;background:#fff;box-shadow:0 1px 2px #0f2e421a,0 4px 14px #081e2d1f;font-size:15px;font-weight:700;white-space:nowrap;cursor:pointer;transition:background-color .2s,color .2s,box-shadow .25s,transform var(--spring-ms) var(--spring),opacity .3s}.nav-cta svg{width:14px;height:14px}.nav-cta:hover{box-shadow:0 1px 2px #0f2e421a,0 8px 22px #081e2d33;transform:translateY(-1px)}.nav-cta:active{transform:scale(.96);transition-duration:80ms}.nav-cta.is-pending{opacity:0;pointer-events:none}.header--solid .nav-cta{color:#fff;background:var(--blue);box-shadow:0 6px 16px #176f9f3d}.header--solid .nav-cta:hover{background:var(--blue-deep)}.profile-menu{position:relative;margin-left:4px}.profile-menu summary{display:flex;align-items:center;gap:8px;height:40px;min-height:0;padding:0 12px 0 4px;border:0;border-radius:12px;background:transparent;list-style:none;cursor:pointer;transition:background-color .2s}.profile-menu summary::-webkit-details-marker{display:none}.profile-menu summary:hover,.profile-menu[open] summary{color:inherit;background:#ffffff24;box-shadow:none;transform:none}.header--solid .profile-menu summary:hover,.header--solid .profile-menu[open] summary{background:#0f2e420f}.profile-menu summary img{width:32px;height:32px;border-radius:50%;object-fit:cover;box-shadow:0 0 0 2px #ffffffb3}.profile-menu summary span{max-width:96px;overflow:hidden;font-size:14px;text-overflow:ellipsis;white-space:nowrap}.profile-menu__panel{position:absolute;z-index:30;top:calc(100% + 14px);right:0;width:250px;padding:8px;color:var(--ink);border:1px solid rgba(255,255,255,.8);border-radius:20px;background:#ffffffe6;box-shadow:var(--shadow-lift),0 0 0 1px var(--glass-border);backdrop-filter:blur(28px) saturate(180%);-webkit-backdrop-filter:blur(28px) saturate(180%);transform-origin:calc(100% - 30px) top;animation:menu-in .2s var(--ease-out)}@keyframes menu-in{0%{opacity:0;transform:translateY(-6px) scale(.96)}}.profile-menu__panel>div{padding:10px 12px 12px;border-bottom:1px solid var(--hair)}.profile-menu__panel strong,.profile-menu__panel small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.profile-menu__panel small{margin-top:2px;color:var(--ink-3);font-weight:400}.profile-menu__panel a,.profile-menu__panel button{display:block;width:100%;margin-top:2px;padding:10px 12px;color:inherit;border:0;border-radius:12px;background:transparent;text-align:left;font-weight:500;cursor:pointer}.profile-menu__panel a:hover,.profile-menu__panel button:hover{background:#2a9fb21a}.profile-menu__panel button{color:#a23b2f}.menu-button{display:none}.hero{position:relative;height:clamp(600px,calc(100svh - 20px),880px);margin:10px 10px 0;overflow:hidden;color:#fff;border-radius:var(--radius-xl);background:#0d2a3c;box-shadow:none;isolation:isolate}.hero__slides,.hero__slide{position:absolute;top:0;right:0;bottom:0;left:0}.hero__slide{opacity:0;background-position:center;background-size:cover;transform:scale(1.08);transition:opacity 1.4s ease,transform 1.4s ease}.hero__slide.is-active{opacity:1;transform:scale(1);transition:opacity 1.4s ease,transform 9s cubic-bezier(.2,.6,.35,1)}.hero__shade{position:absolute;z-index:1;top:0;right:0;bottom:0;left:0;pointer-events:none;background:linear-gradient(90deg,#061a28b8,#061a2861 45%,#061a2800 75%),linear-gradient(0deg,rgba(6,26,40,.45),transparent 40%)}.hero__content{position:absolute;z-index:2;left:0;right:0;bottom:clamp(90px,14vh,150px);width:min(1240px,calc(100% - 64px));margin:0 auto;padding:0}.hero h1{margin:0 0 18px;font-family:var(--serif);font-weight:700;line-height:1.18;letter-spacing:.04em;text-shadow:0 2px 30px rgba(0,20,35,.25)}.hero h1 .hero__line{display:block;padding-bottom:.06em;overflow:hidden;font-size:clamp(46px,6.4vw,92px)}.hero h1 .hero__line--sub{margin-bottom:6px;font-size:clamp(24px,2.6vw,38px);font-weight:600;letter-spacing:.12em;opacity:.92}.hero__char{display:inline-block}.hero--intro .hero__char{animation:char-rise .9s var(--ease-out) both;animation-delay:calc(.12s + var(--c) * 38ms)}@keyframes char-rise{0%{transform:translateY(110%)}}.hero--intro .hero__lede,.hero--intro .search,.hero--intro .hero__pagination{animation:soft-rise .7s var(--ease-out) both}.hero--intro .hero__lede{animation-delay:.55s}.hero--intro .search{animation-delay:.68s}.hero--intro .hero__pagination{animation-delay:.9s}@keyframes soft-rise{0%{opacity:0;transform:translateY(14px)}}.hero__lede{max-width:30em;margin:0 0 34px;color:#ffffffdb;font-size:clamp(16px,1.3vw,19px)}.hero .search{width:min(560px,100%);height:62px;padding:0 7px 0 22px;color:var(--ink);border:1px solid rgba(255,255,255,.7);border-radius:999px;background:#ffffffdb;box-shadow:0 20px 50px #00142340;backdrop-filter:blur(20px) saturate(180%);-webkit-backdrop-filter:blur(20px) saturate(180%);transition:box-shadow .3s,background-color .3s}.hero .search:focus-within{background:#fff;box-shadow:0 20px 50px #0014234d,0 0 0 5px #ffffff40}.hero .search input{font-size:16px}.hero .search input::placeholder{color:var(--ink-3)}.hero .search button{height:48px;padding:0 24px;color:#fff;border:0;border-radius:999px;background:var(--blue);font-weight:700;cursor:pointer;transition:background-color .2s,transform var(--spring-ms) var(--spring)}.hero .search button:hover{background:var(--blue-deep)}.hero .search button:active{transform:scale(.95)}.hero__pagination{position:absolute;z-index:3;right:max(32px,calc((100% - 1240px)/2));bottom:40px;left:auto;display:flex;gap:8px}.hero__pagination button{position:relative;width:36px;height:20px;padding:0;border:0;background:transparent;cursor:pointer;transition:width var(--spring-ms) var(--spring)}.hero__pagination button.is-active{width:64px}.hero__pagination button:before,.hero__pagination i{content:"";position:absolute;left:0;top:50%;height:3px;margin-top:-1.5px;border-radius:2px}.hero__pagination button:before{right:0;background:#ffffff52}.hero__pagination button:hover:before{background:#ffffff8c}.hero__pagination i{width:0;background:#fff}.hero__pagination .is-done i{width:100%}.hero__pagination .is-active i{animation:bar-fill var(--slide-ms) linear forwards}.hero__pagination.is-paused .is-active i{animation-play-state:paused}@keyframes bar-fill{0%{width:0}to{width:100%}}.home{padding-bottom:1px}.course-section{position:relative;width:min(1320px,calc(100% - 48px));margin:0 auto;padding:96px 0 8px;overflow:visible;border:0;border-radius:0;background:none;box-shadow:none}.course-section:before{content:none}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;margin:0 0 32px}.section-heading h2,.partners h2{margin:0;color:var(--ink);background:none;font-family:var(--serif);font-size:clamp(28px,3vw,40px);font-weight:700;line-height:1.25;letter-spacing:.04em;-webkit-text-fill-color:currentColor}.section-heading p{margin:8px 0 0;color:var(--ink-3);font-size:15px}.section-heading .text-link{flex:0 0 auto}.course-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:28px;max-width:none;margin:0}.course-card{--rx: 0deg;--ry: 0deg;--mx: 50%;--my: 0%;position:relative;display:flex;flex-direction:column;min-width:0;min-height:0;overflow:hidden;color:var(--ink-2);border:1px solid var(--hair);border-radius:var(--radius-lg);background:var(--surface);box-shadow:0 1px 2px #0f2e420a,0 6px 24px #0f2e420d;transform:perspective(1000px) rotateX(var(--rx)) rotateY(var(--ry));transition:transform var(--spring-ms) var(--spring),box-shadow .4s ease,border-color .3s;will-change:transform}.course-card.is-tilting{transition:transform .12s linear,box-shadow .4s ease,border-color .3s}.course-card:hover{border-color:#2a9fb247;box-shadow:var(--shadow-lift)}.course-card:active{transform:perspective(1000px) rotateX(var(--rx)) rotateY(var(--ry)) scale(.985)}.course-card__image{position:relative;display:block;flex:0 0 auto;aspect-ratio:1;min-height:0;overflow:hidden;border-radius:0;background:var(--pale)}.course-card__image>img{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease-out)}.course-card:hover .course-card__image>img{transform:scale(1.05)}.course-card__sheen{position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(420px circle at var(--mx) var(--my),rgba(255,255,255,.28),transparent 45%);opacity:0;transition:opacity .35s ease;pointer-events:none;mix-blend-mode:soft-light}.course-card.is-tilting .course-card__sheen{opacity:1}.course-card__meta{display:flex;align-items:center;justify-content:space-between;gap:8px;min-width:0}.course-card__meta .course-card__category{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.course-card__status{flex:0 0 auto;padding:1px 8px;color:var(--ink-3);border-radius:999px;background:#0f2e420f;font-size:11.5px;font-weight:500}.course-card__body{position:relative;display:flex;flex:1;flex-direction:column;gap:8px;min-height:0;padding:20px 22px}.course-card__category{display:block;margin:0;color:var(--cyan);font-size:13px;font-weight:500;letter-spacing:.02em}.course-card h3{display:-webkit-box;margin:0;overflow:hidden;color:var(--ink);font-size:17.5px;font-weight:700;line-height:1.5;-webkit-line-clamp:2;-webkit-box-orient:vertical;transition:color .2s}.course-card h3 a:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0}.course-card:hover h3{color:var(--blue)}.course-card p{display:-webkit-box;margin:0;overflow:hidden;color:var(--ink-3);font-size:14px;line-height:1.7;-webkit-line-clamp:2;-webkit-box-orient:vertical}.course-card__price{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 10px;margin-top:auto;padding-top:14px;color:var(--ink);border-top:1px solid var(--hair);font-size:13px;letter-spacing:0}.course-card__body>p+.course-card__price,.course-card__body>h3+.course-card__price{margin-top:auto}.course-card__now{color:var(--ink);font-weight:500}.course-card__now strong{font-size:22px;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:.01em}.course-card__price del{width:auto;color:var(--ink-3);font-size:13px;font-weight:400}.course-card__students{margin-left:auto;color:var(--ink-3);font-size:12.5px}.discount-label{align-self:center;padding:2px 9px;color:var(--gold);border-radius:999px;background:var(--gold-soft);font-size:12px;font-weight:700;letter-spacing:.08em}.course-card__number{position:absolute;z-index:2;top:12px;left:12px;display:grid;place-items:center;width:44px;height:44px;color:var(--gold);border-radius:14px;background:#ffffffdb;box-shadow:0 4px 14px #0f2e4224;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);font-family:var(--serif);font-size:22px;font-weight:700;line-height:1}.course-section--ranked{padding-top:88px}.course-section [data-reveal],.partners [data-reveal]{transition-property:opacity,translate,transform,box-shadow,border-color}.course-section [data-reveal]:not(.is-revealed),.partners [data-reveal]:not(.is-revealed){opacity:0;translate:0 20px}.course-section [data-reveal].is-revealed,.partners [data-reveal].is-revealed{opacity:1;translate:0 0;transition:opacity .5s var(--ease-out) var(--reveal-delay, 0ms),translate .6s var(--ease-out) var(--reveal-delay, 0ms),transform var(--spring-ms) var(--spring),box-shadow .4s ease,border-color .3s}.course-section .course-card.is-revealed.is-tilting{transition:opacity .7s ease,translate .9s var(--ease-out),transform .12s linear,box-shadow .4s ease}.partners{width:min(1320px,calc(100% - 48px));margin:110px auto 0;padding:56px 40px;text-align:center;border:1px solid var(--hair);border-radius:var(--radius-xl);background:#fff9;box-shadow:none;-webkit-backdrop-filter:none;backdrop-filter:none}.partners h2{font-size:clamp(22px,2vw,28px)}.partners__logos{display:grid;grid-template-columns:repeat(4,1fr);gap:48px;align-items:center;max-width:1000px;margin:40px auto 0}.partners__logos img{max-width:100%;max-height:72px;margin:auto;object-fit:contain;filter:grayscale(1);opacity:.6;transition:filter .4s,opacity .4s,translate .9s var(--ease-out) var(--reveal-delay, 0ms)!important}.partners__logos img:hover{filter:none;opacity:1}.site-footer{margin:110px 10px 10px;padding-top:72px;overflow:hidden;color:#ffffffb8;border:0;border-radius:var(--radius-xl);background:radial-gradient(700px 360px at 90% 0%,rgba(42,159,178,.22),transparent 70%),#0e2a3c;box-shadow:none}.site-footer .footer__columns{display:grid;grid-template-columns:1.1fr .8fr .8fr .8fr 1.6fr;gap:clamp(28px,4vw,64px);align-items:start;max-width:1280px;min-height:0;margin:0 auto;padding:0 48px 64px}.site-footer .footer__brand{align-self:start;margin:0!important}.site-footer .footer__logo{display:block;width:118px;height:auto}.site-footer .footer__columns h3{margin:0 0 16px;padding:0;color:#fff;border:0;font-family:var(--serif);font-size:17px;font-weight:600;letter-spacing:.06em}.site-footer .footer__columns a{display:block;margin:0 0 10px;color:#ffffffb8;font-size:15px;font-weight:400;transition:color .2s}.site-footer .footer__group>a:hover,.site-footer .footer__details a:hover{color:#fff}.site-footer .social{display:flex;gap:10px;padding-top:0}.site-footer .social a{display:grid;place-items:center;width:42px;height:42px;margin:0;color:#fff;border:1px solid rgba(255,255,255,.18);border-radius:12px;background:#ffffff0f;font-size:11px;font-weight:700;transition:background-color .2s,transform var(--spring-ms) var(--spring)}.site-footer .social a:hover{background:#ffffff29;transform:translateY(-2px)}.site-footer .social a:last-child{font-family:Arial,sans-serif;font-size:20px}.site-footer .footer__details{padding-top:0}.site-footer .footer__details p{display:grid;grid-template-columns:76px 1fr;gap:12px;margin:0 0 12px;line-height:1.6}.site-footer .footer__details strong{color:#ffffff80;font-size:13.5px;font-weight:500;white-space:nowrap}.site-footer .footer__details a{margin:0;color:#fff;font-size:15px}.site-footer .copyright{padding:20px 48px;color:#ffffff73;border-top:1px solid rgba(255,255,255,.08);background:none;font-size:12.5px;letter-spacing:.02em}.site-footer .copyright span{margin-left:14px}.to-top{position:fixed;z-index:30;right:24px;bottom:24px;display:grid;place-items:center;width:46px;height:46px;color:var(--ink);border:1px solid rgba(255,255,255,.8);border-radius:50%;background:#ffffffc7;box-shadow:0 8px 26px #0f2e4229,0 0 0 1px var(--glass-border);backdrop-filter:blur(18px) saturate(180%);-webkit-backdrop-filter:blur(18px) saturate(180%);font-size:0;cursor:pointer;opacity:0;transform:translateY(14px) scale(.85);pointer-events:none;transition:opacity .25s ease,transform var(--spring-ms) var(--spring)}.to-top svg{width:20px;height:20px}.to-top.is-visible{opacity:1;transform:none;pointer-events:auto}.to-top:active{transform:scale(.9)}.information-page{min-height:100vh}.page-hero{position:relative;display:grid;place-items:start center;min-height:400px;margin:10px 10px 0;padding:128px 24px 72px;overflow:hidden;color:var(--cyan);border-radius:var(--radius-xl);background:linear-gradient(180deg,#e7f2f7,#f1f7fa);box-shadow:none}.page-hero--compact{min-height:0;place-items:center;padding:116px 24px 84px;background:radial-gradient(circle at 1px 1px,rgba(15,46,66,.09) 1px,transparent 1.5px) 0 0 / 22px 22px,linear-gradient(180deg,#e9f3f7,#f3f8fa)}.page-hero--compact h1{font-size:clamp(28px,3.2vw,40px)}.page-hero__text{position:relative;z-index:1;max-width:880px;text-align:center}.page-hero__text:before{content:"";position:absolute;z-index:-1;top:-40px;right:-90px;bottom:-40px;left:-90px;background:radial-gradient(closest-side,rgba(236,244,248,.92),rgba(236,244,248,.6) 60%,transparent);pointer-events:none}.page-hero--compact .page-hero__text:before{content:none}.page-hero h1{margin:0;color:var(--ink);font-family:var(--serif);font-size:clamp(32px,4.2vw,54px);font-weight:700;line-height:1.25;letter-spacing:.06em;view-transition-name:page-title}.page-hero p{max-width:36em;margin:14px auto 0;color:var(--ink-3);font-size:16px}.motif{position:absolute;left:50%;bottom:0;width:min(1200px,100%);height:56%;transform:translate(-50%);overflow:visible;pointer-events:none;-webkit-mask-image:linear-gradient(90deg,transparent 0,#000 18%,#000 82%,transparent 100%);mask-image:linear-gradient(90deg,transparent 0,#000 18%,#000 82%,transparent 100%)}.motif__line{fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;opacity:.6;vector-effect:non-scaling-stroke;stroke-dasharray:1;stroke-dashoffset:0}.motif__line--alt{stroke:var(--blue);opacity:.45}.motif__area{fill:currentColor;opacity:.12}.motif__guide{stroke:currentColor;stroke-width:1;stroke-dasharray:3 5;opacity:.3;vector-effect:non-scaling-stroke}.motif__guide--base{stroke-dasharray:none;opacity:.25}.motif__dot{fill:currentColor;opacity:.38;transform-box:fill-box;transform-origin:center}.motif__bar{fill:currentColor;opacity:.16;transform-box:fill-box;transform-origin:bottom}.motif__tick{stroke:var(--blue);stroke-width:1.6;opacity:.45;vector-effect:non-scaling-stroke}.is-drawing .motif__line{stroke-dashoffset:1;animation:draw 1.2s .15s var(--ease-out) forwards}.motif--survival.is-drawing .motif__line{animation:draw 1.6s .1s linear forwards}.motif--survival.is-drawing .motif__line--alt{animation-delay:.25s}.motif--scatter.is-drawing .motif__line{animation-delay:.75s;animation-duration:.8s}.is-drawing .motif__area{animation:fade-from-zero .8s .7s var(--ease-out) backwards}.is-drawing .motif__guide{animation:fade-from-zero .5s both;animation-delay:calc(.9s + var(--k, 0) * 60ms)}.is-drawing .motif__dot{animation:dot-pop .45s var(--ease-out) both;animation-delay:calc(var(--k) * 18ms)}.is-drawing .motif__bar{animation:bar-grow .6s var(--ease-out) both;animation-delay:calc(var(--k) * 35ms)}.is-drawing .motif__tick{animation:fade-from-zero .3s both;animation-delay:calc(1.2s + var(--k) * 80ms)}@keyframes draw{to{stroke-dashoffset:0}}@keyframes fade-from-zero{0%{opacity:0}}@keyframes dot-pop{0%{opacity:0;transform:scale(.4)}}@keyframes bar-grow{0%{transform:scaleY(0)}}.page-content,.teacher-content,.instructor-content,.account-panel,.course-detail,.cart-summary,.cart-empty,.payment-result,.course-community,.cart-list{border:1px solid var(--hair);border-radius:var(--radius-xl);background:var(--surface);box-shadow:var(--glass-shadow);backdrop-filter:none;-webkit-backdrop-filter:none}.account-panel,.course-detail,.teacher-content{margin-top:-48px}.course-detail>h2{display:none}.course-detail>a{display:inline-block;margin-bottom:22px;color:var(--ink-3);font-size:14px}.course-detail>a:hover{color:var(--blue)}.course-detail__summary{border-radius:var(--radius-lg);background:linear-gradient(160deg,#1b6f99,#0f3e5a)}.course-gallery>img{border-radius:var(--radius-lg)}.purchase-bar{position:sticky;z-index:20;bottom:14px;width:min(1180px,calc(100% - 28px));margin:28px auto;padding:16px 20px 16px 28px;border:1px solid rgba(255,255,255,.8);border-radius:24px;background:#fffc;box-shadow:0 16px 50px #0f2e4229,0 0 0 1px var(--glass-border);backdrop-filter:blur(24px) saturate(180%);-webkit-backdrop-filter:blur(24px) saturate(180%)}.course-price{gap:16px;color:var(--ink-3);font-size:15px;font-weight:500}.course-price b{color:var(--ink);font-size:32px;letter-spacing:.01em;font-variant-numeric:tabular-nums}.purchase-actions{gap:10px}.buy-now{min-width:170px;min-height:50px;padding:0 28px;color:#fff;border:0;border-radius:999px;background:var(--blue);box-shadow:0 8px 20px #176f9f3d;font-size:16px;transition:background-color .2s,transform var(--spring-ms) var(--spring)}.buy-now:hover{background:var(--blue-deep)}.buy-now:active{transform:scale(.97)}.round-action{display:grid;place-items:center;width:50px;height:50px;color:var(--ink-2);border:1px solid var(--hair-strong);border-radius:50%;background:#fff;box-shadow:none;transition:color .2s,background-color .2s,transform var(--bounce-ms) var(--bounce)}.round-action svg{width:21px;height:21px}.round-action:hover{color:var(--blue)}.round-action:active{transform:scale(.88)}.round-action.is-active{color:#fff;border-color:transparent;background:var(--blue);outline:0}.round-action.is-active:last-child{background:#c7484a}.form-field input,.choice-group,.profile-form select,.invoice-choice select,.invoice-choice input{border-radius:14px}.page-content__quote,.instructor-content__intro,.registration-terms,.form-notice{border:0;border-left:3px solid var(--cyan);border-radius:14px;background:var(--pale)}.catalog{width:min(1320px,calc(100% - 48px));margin:-34px auto 0}.catalog-toolbar{position:sticky;z-index:25;top:calc(var(--header-h) + 22px);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;padding:10px;border:1px solid rgba(255,255,255,.85);border-radius:22px;background:#fffc;box-shadow:0 1px 2px #0f2e420a,0 10px 32px #0f2e4214,0 0 0 1px var(--glass-border);backdrop-filter:blur(24px) saturate(180%);-webkit-backdrop-filter:blur(24px) saturate(180%);transition:box-shadow .3s ease,background-color .3s}.catalog-toolbar.is-stuck{background:#ffffffb8;box-shadow:0 16px 44px #0f2e4224,0 0 0 1px var(--glass-border)}.catalog-toolbar__primary{display:flex;flex:1 1 640px;align-items:center;gap:10px;min-width:0}.catalog-toolbar__secondary{display:flex;flex:0 0 auto;align-items:center;gap:8px}.segmented{position:relative;display:flex;flex:0 1 auto;gap:2px;min-width:0;padding:4px;overflow-x:auto;border-radius:15px;background:#0f2e420e;scrollbar-width:none}.segmented::-webkit-scrollbar{display:none}.segmented__pill{position:absolute;z-index:0;top:4px;bottom:4px;left:0;border-radius:11px;background:#fff;box-shadow:0 1px 2px #0f2e4214,0 3px 10px #0f2e421a;transition:transform var(--spring-ms) var(--spring),width var(--spring-ms) var(--spring)}.segmented button{position:relative;z-index:1;display:inline-flex;align-items:center;gap:7px;height:38px;padding:0 14px;color:var(--ink-3);border:0;border-radius:11px;background:transparent;font-size:14.5px;font-weight:500;white-space:nowrap;cursor:pointer;transition:color .2s,transform var(--spring-ms) var(--spring)}.segmented button:hover{color:var(--ink)}.segmented button:active{transform:scale(.96)}.segmented button[aria-pressed=true]{color:var(--ink);font-weight:700}.segmented small{min-width:20px;padding:0 6px;color:var(--ink-3);border-radius:999px;background:#0f2e420f;font-size:11.5px;font-weight:500;line-height:18px;text-align:center}.segmented button[aria-pressed=true] small{color:var(--blue);background:#176f9f1a}.catalog-search{position:relative;display:flex;flex:1 1 220px;align-items:center;gap:10px;min-width:180px;height:46px;padding:0 12px 0 14px;color:var(--ink);border:1px solid transparent;border-radius:14px;background:#0f2e420e;transition:background-color .2s,border-color .2s,box-shadow .2s}.catalog-search:focus-within{border-color:#2a9fb280;background:#fff;box-shadow:0 0 0 4px #2a9fb224}.catalog-search input{flex:1;min-width:0;height:100%;padding:0;color:inherit;border:0;outline:0;background:transparent;font-size:15px}.catalog-search input::placeholder{color:var(--ink-3)}.catalog-search input::-webkit-search-cancel-button{-webkit-appearance:none}.catalog-search button{display:grid;place-items:center;width:24px;height:24px;padding:0;color:#fff;border:0;border-radius:50%;background:#0f2e424d;font-size:16px;line-height:1;cursor:pointer;animation:badge-pop .3s var(--ease-out)}.select-chip{position:relative;display:flex;align-items:center;gap:6px;height:46px;padding:0 34px 0 14px;color:var(--ink);border-radius:14px;background:#0f2e420e;font-size:14px;cursor:pointer;transition:background-color .2s}.select-chip:hover{background:#0f2e4214}.select-chip span{color:var(--ink-3);white-space:nowrap}.select-chip select{min-width:0;padding:0;color:var(--ink);border:0;outline:0;background:transparent;font-size:14px;font-weight:500;-moz-appearance:none;appearance:none;-webkit-appearance:none;cursor:pointer}.select-chip:focus-within{box-shadow:0 0 0 3px #2a9fb240}.select-chip svg{position:absolute;right:12px;width:16px;height:16px;color:var(--ink-3);pointer-events:none}.catalog-meta{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:26px 4px 18px;color:var(--ink-3);font-size:14.5px}.catalog-meta p{margin:0}.catalog-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:28px}.catalog-grid.is-entering .course-card{animation:card-in .36s var(--ease-out) both;animation-delay:calc(var(--i) * 28ms)}@keyframes card-in{0%{opacity:0;translate:0 10px;scale:.98}}.course-card--skeleton{pointer-events:none}.course-card--skeleton .course-card__image,.course-card--skeleton i{background:linear-gradient(90deg,#e8f0f4 25%,#f4f8fa,#e8f0f4 75%);background-size:200% 100%;animation:shimmer 1.4s linear infinite}.course-card--skeleton i{display:block;height:14px;border-radius:7px}.course-card--skeleton i:nth-child(1){width:40%}.course-card--skeleton i:nth-child(2){width:90%;height:18px}.course-card--skeleton i:nth-child(3){width:60%;margin-top:20px}@keyframes shimmer{to{background-position:-200% 0}}.catalog-empty{margin:30px auto;padding:80px 24px;text-align:center;border:1px dashed var(--hair-strong);border-radius:var(--radius-xl)}.catalog-empty h2{margin:0 0 8px;color:var(--ink);font-family:var(--serif);font-size:26px}.catalog-empty p{margin:0;color:var(--ink-3)}.home>.catalog-empty{width:min(1320px,calc(100% - 48px));margin-top:96px}.catalog-note{margin:40px 0 0;color:var(--ink-3);font-size:13px;text-align:center}.login-layer{position:fixed;z-index:100;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;padding:16px;pointer-events:none;visibility:hidden;transition:visibility 0s .34s}.login-layer.is-open{pointer-events:auto;visibility:visible;transition:visibility 0s}.login-scrim{position:absolute;top:0;right:0;bottom:0;left:0;background:#06162261;backdrop-filter:blur(8px) saturate(120%);-webkit-backdrop-filter:blur(8px) saturate(120%);opacity:0;transition:opacity .3s ease}.login-layer.is-open .login-scrim{opacity:1}.login-sheet{position:relative;width:min(420px,100%);max-height:calc(100svh - 32px);padding:34px 32px 26px;overflow-y:auto;color:var(--ink-2);border:1px solid rgba(255,255,255,.9);border-radius:28px;background:#ffffffeb;box-shadow:0 30px 80px #06162252,0 0 0 1px #0f2e420f;backdrop-filter:blur(40px) saturate(180%);-webkit-backdrop-filter:blur(40px) saturate(180%);opacity:0;transform:scale(.96);transition:opacity .15s ease,transform .2s var(--ease-out)}.login-layer.is-open .login-sheet{opacity:1;transform:none;transition:opacity .2s var(--ease-out),transform .4s var(--ease-drawer)}.login-sheet__close{position:absolute;top:14px;right:14px;display:grid;place-items:center;width:34px;height:34px;padding:0;color:var(--ink-3);border:0;border-radius:50%;background:#0f2e420f;cursor:pointer;transition:background-color .2s,color .2s,transform var(--spring-ms) var(--spring)}.login-sheet__close svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round}.login-sheet__close:hover{color:var(--ink);background:#0f2e421a}.login-sheet__close:active{transform:scale(.9)}.login-sheet__head{text-align:center}.login-sheet__head img{display:block;width:104px;height:auto;margin:0 auto 18px}.login-sheet__head h2{margin:0;color:var(--ink);font-family:var(--serif);font-size:26px;font-weight:700;letter-spacing:.06em}.login-sheet__head p{margin:6px 0 0;color:var(--ink-3);font-size:14.5px}.login-social{display:grid;grid-template-columns:repeat(var(--n, 3),1fr);gap:10px;margin-top:26px}.login-social--1{--n: 1}.login-social--2{--n: 2}.login-social--3{--n: 3}.login-social__button{display:flex;align-items:center;justify-content:center;gap:9px;height:52px;padding:0 10px;color:var(--ink);border:1px solid var(--hair-strong);border-radius:14px;background:#fff;font-size:14.5px;font-weight:500;white-space:nowrap;transition:border-color .2s,background-color .2s,box-shadow .25s,transform var(--spring-ms) var(--spring)}.login-social__button svg{flex:0 0 auto;width:22px;height:22px}.login-social__button:hover{border-color:#0f2e4247;box-shadow:0 6px 18px #0f2e4214;transform:translateY(-1px)}.login-social__button:active{transform:scale(.97);transition-duration:80ms}.login-social__hint{margin:12px 2px 0;color:var(--ink-3);font-size:12.5px;line-height:1.6;text-align:center}.login-sheet__or{display:flex;align-items:center;gap:14px;margin:22px 0 18px;color:var(--ink-3);font-size:13px}.login-sheet__or:before,.login-sheet__or:after{content:"";flex:1;height:1px;background:var(--hair)}.login-form{display:grid;gap:14px}.login-field{display:grid;gap:6px}.login-field>span{color:var(--ink-2);font-size:13.5px;font-weight:500}.login-field input{width:100%;height:50px;padding:0 16px;color:var(--ink);border:1px solid transparent;border-radius:14px;outline:0;background:#0f2e420e;font-size:16px;transition:background-color .2s,border-color .2s,box-shadow .2s}.login-field input::placeholder{color:#9aacb8}.login-field input:focus{border-color:#2a9fb28c;background:#fff;box-shadow:0 0 0 4px #2a9fb224}.login-field__password{position:relative}.login-field__password input{padding-right:52px}.login-field__password button{position:absolute;top:50%;right:8px;display:grid;place-items:center;width:36px;height:36px;padding:0;color:var(--ink-3);border:0;border-radius:10px;background:transparent;transform:translateY(-50%);cursor:pointer}.login-field__password button:hover{color:var(--ink);background:#0f2e420f}.login-field__password svg{width:20px;height:20px}.login-form__forgot{justify-self:start;margin-top:-4px;color:var(--blue);font-size:13.5px;font-weight:500}.login-form__forgot:hover{text-decoration:underline}.login-form__submit{position:relative;height:52px;margin-top:4px;overflow:hidden;color:#fff;border:0;border-radius:14px;background:var(--blue);box-shadow:0 1px #fff3 inset,0 10px 24px #176f9f42;font-size:16px;font-weight:700;letter-spacing:.08em;cursor:pointer;transition:background-color .25s,transform var(--spring-ms) var(--spring)}.login-form__submit:hover{background:var(--blue-deep)}.login-form__submit:active{transform:scale(.98);transition-duration:80ms}.login-form__submit:disabled{cursor:progress;opacity:.85}.login-sheet.is-success .login-form__submit{background:#1f8a5b}.login-form__notice{margin:0;padding:11px 14px;color:#a23b2f;border-radius:12px;background:#fcefed;font-size:14px;line-height:1.6;animation:badge-pop .3s var(--ease-out)}.login-sheet__foot{margin:20px 0 0;color:var(--ink-3);font-size:14px;text-align:center}.login-sheet__foot a{color:var(--blue);font-weight:500}.login-sheet__foot a:hover{text-decoration:underline}@media(max-width:1180px){.search--compact{width:150px}.search--compact:focus-within{width:200px}.profile-menu summary span{display:none}.profile-menu summary{padding-right:4px}}@media(max-width:1024px){.header{gap:4px;padding-right:8px}.category-wrap{display:none}.menu-button{display:grid;place-items:center;order:3;width:42px;height:42px;margin-left:auto;padding:0;color:inherit;border:0;border-radius:12px;background:transparent;cursor:pointer}.menu-button svg{width:22px;height:22px;transition:transform var(--spring-ms) var(--spring)}.menu-button svg{animation:badge-pop .35s var(--ease-out)}.nav{position:absolute;top:calc(100% + 10px);left:0;right:0;display:grid;grid-template-columns:1fr 1fr;gap:6px;padding:12px;color:var(--ink);border:1px solid rgba(255,255,255,.85);border-radius:22px;background:#fffffff0;box-shadow:var(--shadow-lift),0 0 0 1px var(--glass-border);backdrop-filter:blur(28px) saturate(180%);-webkit-backdrop-filter:blur(28px) saturate(180%);opacity:0;transform:translateY(-8px) scale(.97);transform-origin:calc(100% - 30px) top;pointer-events:none;transition:opacity .18s ease,transform .25s var(--ease-out)}.nav--open{opacity:1;transform:none;pointer-events:auto;transition:opacity .2s ease,transform var(--spring-ms) var(--spring)}.nav__spacer{display:none}.nav__link{justify-content:center;height:46px;background:#0f2e420a}.nav .search--compact{grid-column:1 / -1;order:-1;width:100%;height:46px;color:var(--ink);border-color:transparent;background:#0f2e420e}.nav .search--compact:focus-within{width:100%}.nav .cart-link{display:flex;gap:8px;align-items:center;justify-content:center;width:auto;height:46px;margin:0;background:#0f2e420a}.nav .cart-link__label{display:inline;font-size:15px;font-weight:500}.nav .cart-link b{position:static}.nav-cta,.header--solid .nav-cta{grid-column:1 / -1;justify-content:center;height:46px;margin:0;color:#fff;background:var(--blue);box-shadow:none}.nav .profile-menu{grid-column:1 / -1;margin:0}.nav .profile-menu summary{justify-content:center;height:46px;background:#0f2e420a}.nav .profile-menu summary span{display:inline}.profile-menu__panel{position:static;width:auto;margin-top:6px;box-shadow:none}.site-footer .footer__columns{grid-template-columns:repeat(3,1fr)}.site-footer .footer__brand,.site-footer .footer__details{grid-column:1 / -1}}@media(max-width:760px){.header{top:10px;width:calc(100% - 20px);height:58px;padding-left:14px;border-radius:18px}.logo,.logo img{width:100px}.hero{height:min(720px,calc(100svh - 20px));min-height:560px;border-radius:26px}.hero__slide{background-position:60% center}.hero__shade{background:linear-gradient(0deg,#061a28d1,#061a2859 55%,#061a281a)}.hero__content{bottom:86px;width:calc(100% - 40px)}.hero h1 .hero__line{font-size:min(11vw,56px)}.hero h1 .hero__line--sub{font-size:min(6.4vw,30px)}.hero__lede{margin-bottom:24px;font-size:15px}.hero .search{height:56px;padding-left:18px}.hero .search button{height:44px;padding:0 18px}.hero__pagination{left:20px;right:auto;bottom:30px}.course-section,.catalog,.partners,.home>.catalog-empty{width:calc(100% - 32px)}.course-section{padding-top:64px}.section-heading{margin-bottom:22px}.course-grid,.catalog-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.course-card{border-radius:20px}.course-card__body{padding:14px 14px 16px;gap:6px}.course-card h3{font-size:15.5px}.course-card p{display:none}.course-card__now strong{font-size:18px}.course-card__price del,.course-card__students{display:none}.partners{margin-top:72px;padding:40px 20px}.partners__logos{grid-template-columns:repeat(2,1fr);gap:28px}.site-footer{margin-top:72px;padding-top:48px;border-radius:26px}.site-footer .footer__columns{grid-template-columns:1fr 1fr;gap:32px 20px;padding:0 24px 40px}.site-footer .copyright{padding:18px 24px}.page-hero{min-height:300px;padding:100px 20px 60px;border-radius:26px}.motif{height:42%}.catalog{margin-top:-26px}.catalog-toolbar{top:76px;padding:8px;border-radius:18px}.catalog-toolbar__primary{flex-direction:column;align-items:stretch;flex-basis:100%}.catalog-toolbar__secondary{flex:1 1 100%}.catalog-toolbar__secondary .select-chip{flex:1}.catalog-search{flex:0 0 auto}.purchase-bar{bottom:10px;padding:14px}.purchase-bar__inner{flex-direction:row;flex-wrap:wrap;align-items:center;gap:12px}.course-price b{font-size:24px}.to-top{right:16px;bottom:16px}}@media(max-width:560px){.login-layer{place-items:end center;padding:0}.login-sheet{width:100%;max-height:92svh;padding:30px 22px calc(22px + env(safe-area-inset-bottom));border-radius:28px 28px 0 0;transform:translateY(100%);opacity:1;transition:transform .24s var(--ease-out)}.login-layer.is-open .login-sheet{transition:transform .42s var(--ease-drawer)}.login-sheet:before{content:"";position:absolute;top:8px;left:50%;width:38px;height:5px;border-radius:3px;background:#0f2e4226;transform:translate(-50%)}.login-social__button span{font-size:13.5px}.login-social--3 .login-social__button{flex-direction:column;gap:4px;height:64px}}@media(max-width:380px){.course-grid,.catalog-grid{grid-template-columns:1fr}.course-card p{display:-webkit-box}}@media(prefers-reduced-motion:reduce){.hero__slide,.hero__slide.is-active{transform:none!important;transition:opacity .6s ease!important}.course-card{transform:none!important}.course-section [data-reveal],.partners [data-reveal]{opacity:1!important;translate:none!important}.motif *{animation:none!important}.login-sheet,.login-layer.is-open .login-sheet{transform:none!important}.hero__pagination button.is-active i{animation:bar-fill var(--slide-ms) linear forwards!important}.hero__pagination.is-paused button.is-active i{animation-play-state:paused!important}}@media(prefers-reduced-transparency:reduce){.header--solid,.catalog-toolbar,.login-sheet,.category-menu,.profile-menu__panel,.purchase-bar,.to-top,.nav{background:#fff!important;backdrop-filter:none!important;-webkit-backdrop-filter:none!important}}@media(prefers-contrast:more){:root{--hair: rgba(15, 46, 66, .3);--hair-strong: rgba(15, 46, 66, .5);--ink-3: #4a6272}}@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))){.header--solid,.catalog-toolbar,.login-sheet,.category-menu,.profile-menu__panel,.purchase-bar,.to-top{background:#fffffff7}}.course-detail-page .page-hero h1{font-size:clamp(26px,3vw,40px);letter-spacing:.03em}.category[data-current]:after{content:"";position:absolute;left:50%;bottom:4px;width:4px;height:4px;margin-left:-9px;border-radius:50%;background:currentColor}.category-menu a[aria-current=page]{background:#2a9fb21a}.category-menu a[aria-current=page] strong{font-weight:700}.nav__categories{display:none}@media(max-width:1024px){.nav__categories{grid-column:1 / -1;display:flex;flex-wrap:wrap;gap:6px;padding:4px 0 6px}.nav__categories span{width:100%;padding:0 4px 2px;color:var(--ink-3);font-size:12.5px}.nav__categories a{padding:8px 14px;border-radius:999px;background:#0f2e420d;font-size:14px}.nav__categories a[aria-current=page]{color:#fff;background:var(--ink)}}@view-transition{navigation:auto}.header{view-transition-name:site-header}.course-detail .course-gallery>img{view-transition-name:course-hero}::view-transition-group(*){animation-duration:.38s;animation-timing-function:var(--ease-out)}::view-transition-old(root){animation:vt-leave .16s var(--ease-out) both}::view-transition-new(root){animation:vt-enter .34s var(--ease-out) .04s both}::view-transition-old(page-title){animation:vt-leave .14s var(--ease-out) both}::view-transition-new(page-title){animation:vt-title .38s var(--ease-out) both}::view-transition-group(course-hero){animation-duration:.46s;animation-timing-function:var(--ease-drawer);z-index:5}::view-transition-image-pair(course-hero){isolation:auto}::view-transition-old(course-hero),::view-transition-new(course-hero){animation:none;mix-blend-mode:normal;height:100%;object-fit:cover;overflow:clip}@keyframes vt-leave{to{opacity:0}}@keyframes vt-enter{0%{opacity:0;transform:translateY(12px)}}@keyframes vt-title{0%{opacity:0;transform:translateY(8px)}}@media(prefers-reduced-motion:reduce){::view-transition-group(*){animation:none!important}::view-transition-old(*),::view-transition-new(*){animation:vt-fade .15s ease both!important}::view-transition-old(*){animation-name:vt-leave!important}}@keyframes vt-fade{0%{opacity:0}}@media(hover:none),(pointer:coarse){.nav-cta:hover,.login-social__button:hover,.site-footer .social a:hover{transform:none}.course-card:hover{border-color:var(--hair);box-shadow:0 1px 2px #0f2e420a,0 6px 24px #0f2e420d}.course-card:hover .course-card__image>img{transform:none}.primary-action:hover:after{transform:translate(-120%);transition:none}}.cart-page{margin-top:-36px;padding-top:0}.payment-result{margin-top:-36px}.content-placeholder{display:grid;gap:14px;padding:8px 0}.content-placeholder i{display:block;height:14px;border-radius:7px;background:linear-gradient(90deg,#e8f0f4 25%,#f4f8fa,#e8f0f4 75%);background-size:200% 100%;animation:shimmer 1.4s linear infinite}.content-placeholder i:nth-child(1){width:70%;height:20px}.content-placeholder i:nth-child(3){width:92%}.content-placeholder i:nth-child(4){width:48%}.rich-text>p{margin:0 0 22px}.rich-text .terms-section h2{margin:0 0 10px;color:var(--ink);font-size:20px}.rich-text .terms-section div>p,.rich-text .directions div>p{margin:0 0 12px}.rich-text a{color:var(--blue);text-decoration:underline;text-underline-offset:3px}.rich-text .primary-action{text-decoration:none}.rich-text h3{margin:18px 0 8px;color:var(--ink);font-size:18px}.teacher-content.rich-text .teacher-videos{margin-top:12px}.teacher-content.rich-text>p:not(.instructor-content__intro){margin:0 0 20px}.partners__logos>*{display:grid;place-items:center}.hero:not(.hero--intro) .hero__content h1,.hero:not(.hero--intro) .hero__lede{animation:fade-from-zero .25s var(--ease-out)}