:root {
  --purple-900:#261D63;
  --purple-700:#382B86;
  --purple-500:#5B4BC4;
  --purple-100:#F0EDFF;
  --purple-050:#F8F7FF;
  --ink:#111111;
  --muted:#6B6663;
  --border:#DED6D2;
  --white:#FFFFFF;
  --success:#14804A;
  --warning:#B7791F;
  --error:#C9362B;
  --shadow:0 12px 35px rgba(38,29,99,.10);
}
*{box-sizing:border-box}
body{margin:0;background:var(--purple-050);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.55}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
a{color:var(--purple-700)}
.shell{min-height:100vh}
.topbar{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}
.topbar-inner{max-width:1180px;margin:auto;padding:14px 22px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;color:var(--purple-900);font-size:18px}
.brand-mark{display:block;width:38px;height:40px;object-fit:cover;border-radius:11px}
.userbar{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:14px}
.page{max-width:1180px;margin:auto;padding:28px 22px 80px}
.hero{background:var(--purple-900);color:#fff;border-radius:24px;padding:28px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.hero:after{content:"90";position:absolute;right:24px;bottom:-38px;font-size:150px;font-weight:900;opacity:.08;line-height:1}
.hero small{opacity:.8}.hero h1{margin:6px 0 10px;font-size:clamp(25px,4vw,42px);line-height:1.15}.hero p{margin:0;max-width:650px;color:#e7e1ff}
.score-row{display:flex;gap:18px;flex-wrap:wrap;margin-top:22px}.score-chip{background:rgba(255,255,255,.12);padding:10px 14px;border-radius:12px;min-width:120px}.score-chip b{display:block;font-size:22px}
.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:18px;margin-top:20px}.card{background:#fff;border:1px solid rgba(222,214,210,.8);border-radius:18px;padding:20px;box-shadow:0 4px 18px rgba(38,29,99,.05)}
.span-8{grid-column:span 8}.span-4{grid-column:span 4}.span-12{grid-column:span 12}
.card h2,.card h3{margin:0 0 12px;color:var(--purple-900)}
.eyebrow{font-size:12px;font-weight:800;color:var(--purple-500);letter-spacing:.08em;text-transform:uppercase}
.muted{color:var(--muted)}
.primary,.secondary,.danger,.ghost{border:0;border-radius:11px;padding:10px 16px;font-weight:700}
.primary{background:var(--purple-500);color:#fff}.primary:hover{background:var(--purple-700)}
.secondary{background:var(--purple-100);color:var(--purple-700)}
.ghost{background:transparent;color:var(--purple-700);border:1px solid var(--border)}
.danger{background:#fff0ed;color:var(--error)}
.primary:disabled,.secondary:disabled{opacity:.45;cursor:not-allowed}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:15px}
.stage-list{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.stage{border:1px solid var(--border);border-radius:15px;padding:15px;background:#fff;position:relative}.stage.current{border:2px solid var(--purple-500);background:var(--purple-050)}.stage.locked{opacity:.5}.stage.passed{border-color:#9bd0ae;background:#f3fbf5}.stage strong{display:block;color:var(--purple-900)}.stage .stage-score{margin-top:8px;font-size:13px}.lock{position:absolute;right:12px;top:10px}
.progress{height:10px;background:#eae6f6;border-radius:999px;overflow:hidden;margin:10px 0}.progress span{display:block;height:100%;background:var(--purple-500);border-radius:inherit}
.lesson-list{display:flex;flex-direction:column;gap:9px}.lesson-row{display:grid;grid-template-columns:42px 1fr auto;align-items:center;gap:12px;padding:12px;border:1px solid var(--border);border-radius:13px;background:#fff}.lesson-row.locked{opacity:.5}.lesson-row.current{border-color:var(--purple-500);background:var(--purple-050)}.lesson-no{width:36px;height:36px;border-radius:12px;background:var(--purple-100);color:var(--purple-700);display:grid;place-items:center;font-weight:800}.tag{display:inline-flex;align-items:center;border-radius:999px;padding:4px 9px;font-size:12px;font-weight:700;background:var(--purple-100);color:var(--purple-700)}.tag.success{background:#eaf6ee;color:var(--success)}.tag.warn{background:#fff3dc;color:var(--warning)}.tag.error{background:#fff0ed;color:var(--error)}
.nav-tabs{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0}.nav-tabs button{border:1px solid var(--border);background:#fff;border-radius:999px;padding:8px 14px;color:var(--muted)}.nav-tabs button.active{background:var(--purple-500);border-color:var(--purple-500);color:#fff}
.login-page{min-height:100vh;display:grid;place-items:center;padding:22px;background:radial-gradient(circle at 15% 15%,#e5ddff 0,transparent 30%),var(--purple-050)}
.login-card{width:min(430px,100%);background:#fff;border-radius:24px;padding:30px;box-shadow:var(--shadow);border:1px solid var(--border)}.login-card h1{margin:15px 0 4px;color:var(--purple-900)}
.field{display:flex;flex-direction:column;gap:6px;margin:13px 0}.field label{font-size:13px;font-weight:700;color:#44403e}.field input,.field select,.field textarea{width:100%;border:1px solid var(--border);border-radius:11px;padding:11px 12px;background:#fff;color:var(--ink)}.field textarea{min-height:90px;resize:vertical}.field input:focus,.field textarea:focus,.field select:focus{outline:2px solid var(--purple-100);border-color:var(--purple-500)}
.notice{padding:12px 14px;border-radius:12px;background:var(--purple-100);color:var(--purple-700);margin:12px 0}.notice.error{background:#fff0ed;color:var(--error)}.notice.success{background:#eaf6ee;color:var(--success)}
.steps{counter-reset:step;list-style:none;padding:0}.steps li{position:relative;padding:0 0 16px 38px}.steps li:before{counter-increment:step;content:counter(step);position:absolute;left:0;top:0;width:26px;height:26px;border-radius:50%;background:var(--purple-100);color:var(--purple-700);display:grid;place-items:center;font-weight:800}
.material-box{border:1px dashed var(--purple-500);background:var(--purple-050);padding:15px;border-radius:13px;margin:14px 0}
.video-box{aspect-ratio:16/9;background:var(--purple-900);color:#fff;border-radius:16px;display:grid;place-items:center;text-align:center;padding:20px;overflow:hidden}.video-box video{width:100%;height:100%;object-fit:contain}
.lesson-stepper{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0}.lesson-stepper span{padding:7px 13px;border-radius:999px;background:#fff;border:1px solid var(--border);color:var(--muted);font-size:13px;font-weight:700}.lesson-stepper span.active{background:var(--purple-500);border-color:var(--purple-500);color:#fff}
.course-page{max-width:900px;margin:0 auto}.course-page h1,.exam-page h1{color:var(--purple-900);line-height:1.25}.lead{font-size:18px;color:#3f3a37}.course-page hr{border:0;border-top:1px solid var(--border);margin:28px 0}
.theory-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin:22px 0}.theory-card{position:relative;border:1px solid var(--border);border-radius:16px;padding:20px;background:var(--purple-050)}.theory-card>span{display:block;color:var(--purple-500);font-size:12px;font-weight:900;letter-spacing:.12em}.theory-card h3{margin:8px 0;color:var(--purple-900)}.theory-card p{margin:0;color:#3f3a37}
.example-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin:18px 0}.example{border-radius:14px;padding:16px}.example p{margin:7px 0 0}.example.good{background:#eaf6ee;color:#0e6037}.example.bad{background:#fff0ed;color:#9f2d25}
.quiz-list{display:flex;flex-direction:column;gap:14px;margin-top:18px}.quiz-card{border:1px solid var(--border);border-radius:15px;padding:16px;margin:0;background:#fff}.quiz-card legend{padding:0 7px;color:var(--purple-900);font-weight:800}.choice{display:flex;align-items:flex-start;gap:8px;border:1px solid transparent;border-radius:10px;padding:10px;margin:5px 0;cursor:pointer}.choice:hover{border-color:var(--purple-100);background:var(--purple-050)}.choice input{margin-top:5px}.choice.correct{justify-content:space-between;border-color:#9bd0ae;background:#f3fbf5;color:var(--success);cursor:default}.choice.correct b{font-size:12px;white-space:nowrap}.exam-page{max-width:880px;margin:20px auto}
.gate-admin-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:13px;margin-top:18px}.gate-admin-card{appearance:none;text-align:left;border:1px solid var(--border);border-radius:16px;padding:18px;background:linear-gradient(145deg,#fff,var(--purple-050));color:var(--ink);transition:.15s}.gate-admin-card:hover{transform:translateY(-2px);border-color:var(--purple-500);box-shadow:var(--shadow)}.gate-admin-card>span{font-size:12px;font-weight:800;color:var(--purple-500)}.gate-admin-card h2{margin:5px 0 8px}.gate-admin-card p{min-height:48px;color:var(--muted)}.gate-admin-card small{display:block;margin-top:10px;color:var(--muted)}
.gate-admin-hero{display:flex;justify-content:space-between;align-items:center;gap:18px;margin-top:18px;padding:22px 26px;border-radius:20px;background:var(--purple-900);color:#fff;overflow:hidden}.gate-admin-hero h1{margin:4px 0}.gate-admin-hero p{margin:0;color:#e7e1ff}.gate-admin-hero .eyebrow{color:#cfc6ff}.gate-number{font-size:72px;font-weight:900;line-height:1;opacity:.16}
.course-switcher{border:1px solid var(--border);border-radius:18px;padding:14px;background:#fff;box-shadow:0 4px 18px rgba(38,29,99,.05)}.gate-switcher{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.gate-switcher button{border:1px solid var(--border);border-radius:13px;padding:10px 12px;background:var(--purple-050);color:var(--purple-900);font-weight:800}.gate-switcher button span{display:block;font-size:11px;color:var(--purple-500)}.gate-switcher button.active{background:var(--purple-500);border-color:var(--purple-500);color:#fff}.gate-switcher button.active span{color:#ddd7ff}.lesson-switcher{display:flex;gap:7px;overflow-x:auto;padding:12px 0 4px;scrollbar-width:thin}.lesson-switcher button{flex:0 0 auto;min-width:118px;border:1px solid var(--border);border-radius:12px;padding:8px 10px;background:#fff;color:var(--muted);text-align:left;font-size:12px}.lesson-switcher button span{display:inline-grid;place-items:center;width:24px;height:24px;margin-right:5px;border-radius:8px;background:var(--purple-100);color:var(--purple-700);font-weight:800}.lesson-switcher button.active{border-color:var(--purple-500);background:var(--purple-050);color:var(--purple-900);font-weight:800}.course-pager{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:10px;border-top:1px solid var(--border);padding-top:12px}.course-pager b{color:var(--purple-900)}.course-pager button:disabled{opacity:.35;cursor:not-allowed}
.admin-inline-form{margin:0}.admin-course-page{position:relative;padding-top:50px}.inline-edit-hint{position:absolute;top:16px;right:20px;border-radius:999px;padding:5px 10px;background:#fff3dc;color:var(--warning);font-size:12px;font-weight:800}.inline-lead{display:block;width:100%;border:1px dashed transparent;border-radius:10px;padding:8px 10px;margin:4px -10px 16px;min-height:72px;resize:vertical;background:transparent;color:#3f3a37;font-size:18px;line-height:1.55}.inline-lead:hover,.inline-lead:focus{border-color:var(--purple-500);background:var(--purple-050);outline:0}
.admin-video-box{height:auto;min-height:340px;padding:0;display:flex;flex-direction:column}.admin-video-box video,.admin-video-box>#adminVideoEmpty{width:100%;aspect-ratio:16/9;object-fit:contain;display:grid;place-items:center}.admin-video-box>#adminVideoEmpty{padding:24px}.video-inline-upload{width:100%;display:flex;align-items:center;justify-content:center;gap:9px;flex-wrap:wrap;padding:12px;background:#fff;color:var(--ink);border-top:1px solid rgba(255,255,255,.2)}.video-inline-upload input{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}.video-inline-upload small{width:100%;color:var(--muted)}
.admin-theory-card{padding-top:25px}.admin-theory-card .remove-card{position:absolute;right:9px;top:8px;width:28px;height:28px;border:0;border-radius:50%;background:transparent;color:var(--muted);font-size:20px;line-height:1}.admin-theory-card .remove-card:hover{background:#fff0ed;color:var(--error)}.theory-title,.theory-body{display:block;width:100%;border:1px dashed transparent;border-radius:9px;background:transparent;padding:7px;margin-left:-7px;color:inherit}.theory-title{font-weight:800;font-size:17px;color:var(--purple-900);margin-top:4px}.theory-body{min-height:125px;resize:vertical;font:inherit;line-height:1.55}.theory-title:hover,.theory-title:focus,.theory-body:hover,.theory-body:focus{border-color:var(--purple-500);background:#fff;outline:0}.add-theory{display:block;margin:-8px auto 20px}
.admin-course-page .example textarea{display:block;width:100%;min-height:110px;margin-top:8px;border:1px dashed transparent;border-radius:9px;padding:8px;background:transparent;color:inherit;font:inherit;line-height:1.55;resize:vertical}.admin-course-page .example textarea:hover,.admin-course-page .example textarea:focus{border-color:currentColor;background:rgba(255,255,255,.62);outline:0}.admin-course-page .quiz-card{opacity:.88}.admin-material-box textarea,.admin-material-box input,.admin-material-box select{width:100%;border:1px dashed var(--purple-500);border-radius:9px;padding:9px 10px;background:#fff;color:var(--ink);font:inherit}.admin-material-box textarea{display:block;min-height:82px;margin:9px 0;resize:vertical}.material-inline-fields{display:grid;grid-template-columns:1fr 180px;gap:10px}.material-inline-fields label,.upload-mode-label{display:flex;flex-direction:column;gap:5px;color:var(--purple-900);font-size:13px;font-weight:800}.upload-mode-label{margin-top:10px;max-width:330px}.admin-save-bar{position:sticky;bottom:14px;z-index:12;display:flex;align-items:center;justify-content:space-between;gap:15px;margin:28px -8px -8px;padding:12px 14px;border:1px solid #d2c8ff;border-radius:14px;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);box-shadow:0 12px 30px rgba(38,29,99,.16)}.admin-save-bar span{color:var(--muted);font-size:13px}
.inline-exam-editor{display:grid;grid-template-columns:1fr 1.25fr;gap:18px;margin:24px 0;padding:18px;border:1px solid #d2c8ff;border-radius:15px;background:var(--purple-050)}.inline-exam-editor h2{margin:3px 0}.inline-exam-editor p{margin:0;color:var(--muted)}.inline-exam-fields{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;align-items:end}.inline-exam-fields label{display:grid;grid-template-columns:1fr auto;gap:5px;align-items:center;color:var(--purple-900);font-size:12px;font-weight:800}.inline-exam-fields label input{grid-column:1/-1;width:100%;border:1px solid var(--border);border-radius:9px;padding:8px;background:#fff}.inline-exam-fields button{grid-column:1/-1}
.orientation-hero{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:18px;padding:28px;border-radius:24px;background:linear-gradient(135deg,var(--purple-900),var(--purple-500));color:#fff;box-shadow:var(--shadow)}.orientation-hero h1{margin:6px 0;font-size:clamp(27px,4vw,42px)}.orientation-hero p{margin:0;color:#e8e4ff;max-width:720px}.orientation-hero .eyebrow{color:#d9d2ff}.orientation-ring{flex:0 0 86px;width:86px;height:86px;border:8px solid rgba(255,255,255,.22);border-top-color:#fff;border-radius:50%;display:grid;place-items:center;font-size:38px;font-weight:900}.orientation-page{position:relative;max-width:980px;margin:auto}.orientation-page>hr{border:0;border-top:1px solid var(--border);margin:30px 0}.orientation-video-list{display:flex;flex-direction:column;gap:18px;margin:18px 0}.orientation-video-card{border:1px solid var(--border);border-radius:18px;padding:18px;background:#fff}.orientation-video-head{display:flex;align-items:flex-start;gap:13px;margin-bottom:14px}.orientation-video-head>div{flex:1}.orientation-video-head h3{margin:0 0 3px}.orientation-video-head p{margin:0;color:var(--muted)}.orientation-player,.orientation-video-card>video{display:block;width:100%;aspect-ratio:16/9;border-radius:14px;background:var(--purple-900);object-fit:contain}.video-box.compact{min-height:190px;aspect-ratio:auto}.orientation-exam-call{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:24px;padding:20px;border-radius:16px;background:var(--purple-100)}.orientation-exam-call h2,.orientation-exam-call p{margin:3px 0}.orientation-map-entry{display:grid;grid-template-columns:46px 1fr auto;align-items:center;gap:14px;border-color:var(--purple-500)}.orientation-map-entry.passed{border-color:#9bd0ae;background:#f3fbf5}.orientation-map-entry h2,.orientation-map-entry p{margin:2px 0}
.video-reload-bar{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-top:10px}.video-reload-bar .secondary{padding:7px 11px}.video-reload-bar span{font-size:13px}.video-reload-bar .video-error{color:var(--error);font-weight:700}
.admin-orientation-page{padding-top:54px}.admin-orientation-video .orientation-video-head{display:grid;grid-template-columns:42px 1fr auto}.orientation-video-title,.orientation-video-description{width:100%;border:1px dashed transparent;border-radius:9px;background:transparent;padding:7px;color:var(--ink)}.orientation-video-title{font-size:18px;font-weight:800;color:var(--purple-900)}.orientation-video-description{min-height:58px;resize:vertical}.orientation-video-title:hover,.orientation-video-title:focus,.orientation-video-description:hover,.orientation-video-description:focus{outline:0;border-color:var(--purple-500);background:var(--purple-050)}.video-source-actions{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin-top:13px}.video-source-actions>label:first-child{display:flex;align-items:center;gap:6px;font-size:13px;font-weight:700}.orientation-video-minutes{width:74px;border:1px solid var(--border);border-radius:9px;padding:8px}.file-label{cursor:pointer}.file-label input{position:absolute;width:1px;height:1px;opacity:0}.orientation-upload-status{flex:1 1 100%;color:var(--muted)}.upload-progress{flex:1 1 100%;height:8px;border-radius:999px;background:#ebe8f5;overflow:hidden}.upload-progress span{display:block;width:0;height:100%;border-radius:inherit;background:var(--purple-500);transition:width .15s}.video-inline-upload .upload-progress{width:100%}
.baidu-status{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:14px 0;padding:14px;border:1px solid #e6b95d;border-radius:13px;background:#fff8e8}.baidu-status.connected{border-color:#9bd0ae;background:#f3fbf5}.baidu-status small{display:block;color:var(--muted);margin-top:3px}.orientation-exam-settings{margin:15px 0}.question-bank{border:1px solid var(--border);border-radius:14px;padding:14px;background:var(--purple-050)}.question-bank>summary,.orientation-question-editor>summary{cursor:pointer;font-weight:800;color:var(--purple-900)}.orientation-question-editor{margin:10px 0;padding:12px;border:1px solid var(--border);border-radius:12px;background:#fff}.compact-field{display:grid;grid-template-columns:70px 1fr;align-items:center}.compact-field label{margin:0}.orientation-question-editor textarea{min-height:70px}.modal-backdrop{position:fixed;inset:0;z-index:100;background:rgba(20,15,48,.62);display:grid;place-items:center;padding:20px}.modal-card{width:min(760px,100%);max-height:84vh;overflow:auto;border-radius:20px;padding:20px;background:#fff;box-shadow:var(--shadow)}.modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:15px;border-bottom:1px solid var(--border);padding-bottom:13px}.modal-head h2{margin:2px 0}.baidu-file-list{display:flex;flex-direction:column;gap:7px;margin-top:13px}.baidu-file{width:100%;display:grid;grid-template-columns:35px 1fr auto;align-items:center;gap:10px;text-align:left;border:1px solid var(--border);border-radius:12px;padding:11px;background:#fff;color:var(--ink)}.baidu-file:hover{border-color:var(--purple-500);background:var(--purple-050)}.baidu-file span{font-size:20px}.baidu-file small{color:var(--muted)}
.chat{height:440px;overflow:auto;background:#fff;border:1px solid var(--border);border-radius:16px;padding:16px;display:flex;flex-direction:column;gap:12px}.bubble{max-width:82%;padding:11px 14px;border-radius:15px;white-space:pre-wrap}.bubble.user{align-self:flex-end;background:var(--purple-500);color:#fff}.bubble.assistant{align-self:flex-start;background:var(--purple-100);color:var(--purple-900)}.chat-compose{display:grid;grid-template-columns:1fr auto;gap:10px;margin-top:10px}.chat-compose textarea{min-height:54px}
.queue-item{border:1px solid var(--border);border-radius:15px;padding:16px;margin:10px 0}.queue-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}.eval-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.table-wrap{overflow:auto}.table{width:100%;border-collapse:collapse;min-width:720px}.table th,.table td{text-align:left;border-bottom:1px solid var(--border);padding:10px 8px;font-size:14px}.table th{color:var(--muted)}.account-row-inactive{opacity:.58;background:#faf9f8}.account-actions{display:flex;align-items:center;gap:7px;flex-wrap:wrap}.compact-action{padding:6px 10px;border-radius:9px;font-size:13px}.mentor-readonly{margin:14px 0}.mentor-exam{grid-template-columns:1fr}
.empty{text-align:center;padding:36px;color:var(--muted)}
.spinner{width:28px;height:28px;border:3px solid var(--purple-100);border-top-color:var(--purple-500);border-radius:50%;animation:spin .8s linear infinite;margin:auto}@keyframes spin{to{transform:rotate(360deg)}}
.toast{position:fixed;right:18px;bottom:18px;z-index:99;padding:12px 16px;border-radius:12px;background:var(--purple-900);color:#fff;box-shadow:var(--shadow)}
@media(max-width:820px){.span-8,.span-4,.span-12{grid-column:span 12}.stage-list,.gate-admin-grid{grid-template-columns:repeat(2,1fr)}.topbar-inner,.page{padding-left:15px;padding-right:15px}.hero{padding:22px}.eval-grid{grid-template-columns:1fr}.userbar span{display:none}.theory-grid,.example-grid{grid-template-columns:1fr}.material-inline-fields{grid-template-columns:1fr}.admin-video-box{min-height:0}.inline-exam-editor{grid-template-columns:1fr}.orientation-exam-call{align-items:stretch;flex-direction:column}.orientation-map-entry{grid-template-columns:42px 1fr}.orientation-map-entry button{grid-column:1/-1}.orientation-video-head{align-items:flex-start}.baidu-status{align-items:stretch;flex-direction:column}}
@media(max-width:480px){.stage-list,.gate-admin-grid{grid-template-columns:1fr}.lesson-row{grid-template-columns:38px 1fr}.lesson-row>button{grid-column:1/-1}.chat{height:52vh}.topbar-inner{align-items:flex-start}.brand{font-size:16px}.userbar{align-self:center}.gate-admin-hero{padding:18px}.gate-number{display:none}.course-page,.card{padding:17px}.lesson-stepper span{font-size:12px;padding:6px 10px}.admin-course-page{padding-top:56px}.inline-edit-hint{left:17px;right:auto}.admin-save-bar{align-items:stretch;flex-direction:column;bottom:8px}.admin-save-bar button{width:100%}.gate-switcher{grid-template-columns:repeat(2,1fr)}.course-pager b{font-size:12px}.inline-exam-fields{grid-template-columns:1fr}.inline-exam-fields button{grid-column:auto}.orientation-hero{padding:20px}.orientation-ring{display:none}.orientation-video-card{padding:13px}.admin-orientation-video .orientation-video-head{grid-template-columns:36px 1fr}.admin-orientation-video .orientation-video-head>.tag{grid-column:2}.video-source-actions>button,.video-source-actions>.file-label{width:100%;text-align:center}.modal-backdrop{padding:8px}.modal-card{padding:15px}.baidu-file{grid-template-columns:28px 1fr}.baidu-file small{grid-column:2}}