@import"https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500&family=Newsreader:wght@700&family=Noto+Sans+SC:wght@400;500;600;700&display=swap";:root{--navy: #10243e;--navy-2: #17365f;--navy-deep: #071727;--gold: #c99a3d;--paper: #f7f4ee;--white: #fff;--text: #16243a;--muted: #697386;--line: #ded8cc;--success: #2e7d68;--danger: #b54949;--font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;--font-brand: "Newsreader", Georgia, serif;--font-mono: "IBM Plex Mono", ui-monospace, monospace;color:var(--text);background:var(--paper);font-family:var(--font-body);font-synthesis:none}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px;min-height:100vh;background:var(--paper)}button,input,textarea{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{color:inherit}a{color:inherit;text-decoration:none}h1,h2,h3,p{margin-top:0}h1,h2,h3,strong{font-family:var(--font-body)}.brand{font-family:var(--font-brand)}.page-main{min-height:calc(100vh - 76px)}.content-shell{width:min(1360px,calc(100% - 80px));margin:0 auto;padding:32px 0 80px}.eyebrow{margin:0 0 12px;color:var(--gold);font-family:var(--font-mono);font-size:10px;letter-spacing:.16em}.muted{color:var(--muted)}.button{min-height:46px;padding:0 24px;display:inline-flex;align-items:center;justify-content:center;border:1px solid transparent;border-radius:6px;font-weight:500;cursor:pointer}.button.gold{background:var(--gold);color:var(--navy)}.button.navy{background:var(--navy);color:#fff}.button.outline{border-color:var(--line);background:#fff}.button.wide{width:100%}.desktop-header{height:76px;padding:0 24px;display:flex;align-items:center;justify-content:space-between;background:#fff;position:relative;z-index:30}.brand{font-size:22px;font-weight:700;letter-spacing:.01em}.desktop-header nav{display:flex;align-items:center;gap:34px}.desktop-header nav>a{color:var(--muted);font-size:15px}.desktop-header nav>a.router-link-active:not(.account-pill){color:var(--navy);font-weight:600}.account-pill{min-height:44px;padding:0 22px;border:0;border-radius:999px;background:var(--navy);color:#fff!important;cursor:pointer}.mobile-header,.mobile-nav{display:none}.hero-panel{height:328px;display:grid;grid-template-columns:55% 45%;overflow:hidden;border-radius:6px;background:var(--navy);color:#fff}.hero-copy{padding:42px 48px;display:flex;flex-direction:column;justify-content:center}.hero-copy h1{margin:8px 0 14px;font-size:44px;font-weight:400;line-height:1.1;letter-spacing:-.025em}.hero-copy>p:not(.eyebrow){margin-bottom:8px;color:#ffffffb8;font-size:16px;line-height:1.5}.hero-actions{margin-top:10px;display:flex;align-items:center;gap:24px;font-size:14px}.hero-image{background:url(/assets/course-hero-D7qnTAna.jpg) center/cover no-repeat}.library-heading,.section-heading,.dashboard-title,.admin-title{display:flex;align-items:flex-end;justify-content:space-between;gap:20px}.library-heading{margin-top:32px}.library-heading h2,.section-heading h2{margin:0;font-size:32px;font-weight:400}.desktop-search,.mobile-search{width:320px;height:46px;padding:0 16px;display:flex;align-items:center;gap:12px;border:1px solid var(--line);border-radius:6px;background:#fff;color:var(--muted)}.desktop-search input,.mobile-search input{width:100%;border:0;outline:0;background:transparent}.mobile-search{display:none}.category-tabs{margin:18px 0;display:flex;flex-wrap:wrap;gap:10px}.category-tabs button,.admin-tabs button{padding:10px 18px;border:1px solid var(--line);border-radius:999px;background:transparent;cursor:pointer}.category-tabs button.active,.admin-tabs button.active{border-color:var(--navy);background:var(--navy);color:#fff}.feature-section{margin-top:20px}.feature-card{height:286px;margin:12px 0 20px;display:grid;grid-template-columns:60% 40%;overflow:hidden;border:1px solid var(--line);border-radius:6px;background:#fff}.feature-card__image{padding:22px;display:flex;flex-direction:column;align-items:flex-start;justify-content:space-between;background:linear-gradient(90deg,#030e19c2,#030e1914),url(/assets/featured-speaker-Dj_VOFNw.jpg) center/cover;color:#fff}.feature-card__image b{padding:8px 12px;border-radius:999px;background:var(--gold);color:var(--navy);font-size:11px}.feature-card__image h3{margin:0;padding:12px 14px;background:#071727eb;font-size:25px;font-weight:400;line-height:1.05}.feature-card__copy{padding:34px 26px;display:flex;flex-direction:column;justify-content:center}.feature-card__copy h2{margin-bottom:12px;font-size:29px;font-weight:400}.feature-card__copy p:not(.eyebrow),.feature-card__copy span{color:var(--muted);font-size:13px}.feature-card__copy footer{margin-top:18px;display:flex;align-items:center;justify-content:space-between}.feature-card__copy strong{font-size:28px}.feature-card__copy em{padding:12px 18px;border-radius:5px;background:var(--navy);color:#fff;font-size:12px;font-style:normal}.course-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.course-card{min-width:0;overflow:hidden;border:1px solid var(--line);border-radius:6px;background:#fff;transition:transform .2s,box-shadow .2s}.course-card:hover{transform:translateY(-2px);box-shadow:0 14px 28px #10243e16}.course-card__image{height:126px;padding:18px;display:flex;flex-direction:column;justify-content:space-between;background-position:center;background-size:cover;color:#fff}.course-card__image span{color:var(--gold);font:10px var(--font-mono);letter-spacing:.14em}.course-card__image h3{margin:0;font-size:25px;font-weight:600}.course-card__body{min-height:192px;padding:18px;display:flex;flex-direction:column}.course-card__body p{margin-bottom:10px;font-size:14px}.course-card__body small{margin:3px 0;color:var(--muted);font-size:11px}.course-card__body footer{margin-top:auto;display:flex;align-items:center;justify-content:space-between}.course-card__body strong{font-size:24px}.course-card__body footer span{color:var(--gold);font-size:13px}.course-card--dark{min-height:334px;position:relative;background:var(--navy);color:#fff}.course-card--dark .course-card__image{height:100%;min-height:334px;justify-content:flex-start}.course-card--dark .course-card__image h3{position:absolute;left:18px;right:18px;bottom:126px;font-size:28px;font-weight:400}.course-card__dark-copy{position:absolute;inset:auto 18px 18px;display:grid;grid-template-columns:1fr auto;align-items:end}.course-card__dark-copy p{grid-column:1/-1;margin-bottom:10px;color:#ffffffc8;font-size:13px}.course-card__dark-copy strong{font-size:27px}.course-card__dark-copy i{width:40px;height:40px;display:grid;place-items:center;border-radius:50%;background:var(--gold);color:var(--navy);font-style:normal}.empty-state{padding:60px;color:var(--muted);text-align:center}.breadcrumb{margin:6px 0 30px;color:var(--muted);font-size:13px}.detail-hero{display:grid;grid-template-columns:minmax(420px,610px) 1fr;gap:34px;align-items:center}.detail-cover{height:360px;padding:34px;display:flex;flex-direction:column;justify-content:space-between;border-radius:6px;background-position:center;background-size:cover;color:#fff}.detail-cover small{color:var(--gold);font:11px var(--font-mono);letter-spacing:.18em}.detail-cover h1{max-width:350px;margin:0;font-size:50px;font-weight:400;line-height:1}.pills{display:flex;gap:8px}.pills span{padding:7px 12px;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-size:12px}.pills span:first-child{border-color:var(--navy);background:var(--navy);color:#fff}.detail-copy h1{margin:24px 0 12px;font-size:42px;font-weight:400}.detail-copy>p{color:var(--muted);font-size:17px;line-height:1.55}.course-meta{margin:18px 0;font-size:13px}.teacher{display:flex;align-items:center;gap:12px}.teacher>b{width:42px;height:42px;display:grid;place-items:center;border-radius:50%;background:var(--navy);color:var(--gold)}.teacher span{display:flex;flex-direction:column;font-size:13px}.teacher small{color:var(--muted);font-size:11px}.detail-layout{margin-top:28px;display:grid;grid-template-columns:1fr 350px;gap:34px;align-items:start}.detail-layout section>h2{font-size:28px;font-weight:400}.outcomes{padding:0;list-style:none;line-height:2.15}.outcomes li:before{content:"◎";margin-right:12px;color:var(--success)}.chapter-row{min-height:66px;margin:10px 0;padding:0 16px;display:grid;grid-template-columns:80px 1fr auto;align-items:center;gap:10px;border:1px solid var(--line);border-radius:6px;background:#fff}.chapter-row>span{padding:8px 12px;border-radius:999px;background:#f1eee8;font-size:12px;text-align:center}.chapter-row small{color:var(--muted)}.purchase-box{padding:26px;border:1px solid var(--line);border-radius:6px;background:#fff;box-shadow:0 12px 24px #10243e0d}.purchase-box h2{font-size:36px}.purchase-box h2 small{color:var(--muted);font:12px var(--font-body)}.purchase-box>p:not(.eyebrow){margin-top:18px;color:var(--muted);font-size:13px;line-height:1.7}.purchase-box ul{padding:0;list-style:none;line-height:2.8}.mobile-buybar{display:none}.checkout-page{width:min(1140px,calc(100% - 80px))}.checkout-page>h1{font-size:34px;font-weight:400}.checkout-grid{display:grid;grid-template-columns:1.5fr .9fr;gap:24px}.checkout-course,.price-summary,.desktop-pay-card{border:1px solid var(--line);border-radius:6px;background:#fff}.checkout-course{padding:18px;display:flex;align-items:center;gap:22px}.checkout-course img{width:230px;height:138px;border-radius:5px;object-fit:cover}.checkout-course p{color:var(--muted)}.price-summary{margin-top:18px;padding:18px 22px}.price-summary p,.price-summary footer{display:flex;align-items:center;justify-content:space-between}.price-summary p{color:var(--muted)}.price-summary footer{padding-top:14px;border-top:1px solid var(--line)}.price-summary strong{font-size:28px}.desktop-pay-card{padding:26px;text-align:center}.desktop-pay-card strong{display:block;margin-top:12px;font-size:28px}.desktop-pay-card p{color:var(--muted);font-size:12px}.desktop-pay-card em{color:var(--gold);font-style:normal}.mobile-payment,.mobile-only,.mobile-pay-button{display:none}.checkout-terms{color:var(--muted);font-size:12px;text-align:center}.dashboard-page{display:grid;grid-template-columns:270px 1fr;gap:28px}.profile-card{height:174px;padding:22px;display:flex;flex-direction:column;align-items:center;justify-content:center;border-radius:6px;background:var(--navy);color:#fff}.profile-card>b{width:58px;height:58px;display:grid;place-items:center;border-radius:50%;background:var(--gold);color:var(--navy);font-size:24px}.profile-card h2{margin:12px 0 4px;font-size:22px;font-weight:400}.profile-card p{margin:0;color:#fff9;font-size:11px}.profile-sidebar nav{margin-top:22px;display:flex;flex-direction:column;gap:6px}.profile-sidebar nav a{min-height:48px;padding:0 16px;display:flex;align-items:center;border-radius:5px}.profile-sidebar nav a.router-link-active{background:var(--navy);color:#fff;font-weight:600}.dashboard-content{min-width:0}.dashboard-title h1{margin-bottom:0;font-size:36px;font-weight:400}.dashboard-title small{color:var(--muted)}.stat-grid{margin:28px 0 34px;display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.stat-grid>div{min-height:94px;padding:18px;display:flex;flex-direction:column;justify-content:center;border:1px solid var(--line);border-radius:6px;background:#fff}.stat-grid b{font-size:28px}.stat-grid span{margin-top:4px;color:var(--muted);font-size:11px}.dashboard-content>h2{margin-top:28px;font-size:26px;font-weight:400}.learning-card{padding:18px;display:grid;grid-template-columns:280px 1fr auto;align-items:center;gap:22px;border:1px solid var(--line);border-radius:6px;background:#fff}.learning-card img{width:280px;height:190px;border-radius:6px;object-fit:cover}.learning-card h2{font-size:30px;font-weight:400}.learning-card p,.other-course p{color:var(--muted)}.progress{height:7px;overflow:hidden;border-radius:999px;background:#e4e0d8}.progress i{width:28%;height:100%;display:block;border-radius:inherit;background:var(--gold)}.learning-card small{display:block;margin-top:18px;color:var(--muted)}.other-course{min-height:130px;padding:14px;display:grid;grid-template-columns:150px 1fr auto;align-items:center;gap:16px;border:1px solid var(--line);border-radius:6px;background:#fff}.other-course img{width:150px;height:104px;border-radius:5px;object-fit:cover}.other-course>a{color:var(--gold)}.simple-page>h1{margin-bottom:28px;font-size:36px;font-weight:400}.simple-page article{margin-bottom:14px;padding:22px;position:relative;border:1px solid var(--line);border-radius:6px;background:#fff}.simple-page article>b{color:var(--gold);font-size:12px}.simple-page article h2{margin:12px 0 6px;font-weight:500}.simple-page article p{color:var(--muted)}.simple-page article a,.simple-page article button{color:var(--gold)}.dashboard-records .simple-page{padding:0}.learning-page{min-height:100vh;background:var(--paper)}.learning-header{height:58px;padding:0 40px;display:flex;align-items:center;justify-content:space-between;background:var(--navy-deep);color:#fff}.learning-header span{color:var(--gold);font-size:11px}.player-area{padding:0 40px 28px;display:grid;grid-template-columns:1fr 390px;gap:18px;background:var(--navy-deep)}.player{min-height:528px;position:relative;border:0;border-radius:6px;background:#000;color:#fffa;cursor:pointer}.player span{width:72px;height:72px;margin:auto;display:grid;place-items:center;border-radius:50%;background:var(--gold);color:var(--navy);font-size:24px}.player p{position:absolute;bottom:0;left:0;right:0;margin:0;padding:24px;text-align:center}.vod-player-shell,.vod-player-shell .tc-player{width:100%;height:100%;min-height:528px}.vod-player-shell{position:relative}.vod-player-status{z-index:2;color:#fffa}.lesson-sidebar{overflow:hidden;border-radius:6px;background:var(--navy);color:#fff}.lesson-sidebar h2,.lesson-sidebar>p{padding:0 20px}.lesson-sidebar h2{margin:20px 0 6px;font-size:23px;font-weight:400}.lesson-sidebar>p{color:#ffffff80;font-size:12px}.lesson-sidebar button{width:calc(100% - 16px);min-height:55px;margin:3px 8px;padding:8px 14px;display:grid;grid-template-columns:24px 1fr;border:0;border-radius:5px;background:transparent;color:#fffa;text-align:left;cursor:pointer}.lesson-sidebar button.active{background:#ffffff12;color:#fff}.lesson-sidebar button small{grid-column:2;color:#fff5}.lesson-content{padding:28px 40px 36px}.lesson-heading{display:flex;align-items:center;justify-content:space-between}.lesson-heading h1{margin:0;font-size:30px;font-weight:400}.lesson-heading button{padding:12px 18px;border:0;border-radius:5px;background:var(--navy);color:#fff;cursor:pointer}.lesson-progress,.mobile-lesson-tabs,.mobile-catalog,.mobile-tab-panel{display:none}.course-support-grid{margin-top:20px;display:grid;grid-template-columns:1fr 330px;gap:18px}.course-support-grid>section{border:1px solid var(--line);border-radius:6px;background:#fff}.qa-panel{overflow:hidden}.qa-panel>header{min-height:58px;padding:12px 18px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.qa-panel h2{margin:0;font-size:18px;font-weight:400}.qa-panel header p{margin:3px 0 0;color:var(--muted);font-size:10px}.qa-panel header span{padding:6px 10px;border-radius:999px;background:#e6f4ef;color:var(--success);font-size:10px}.qa-thread{min-height:310px;padding:16px;background:var(--paper)}.student-message{max-width:70%;margin-left:auto;padding:14px;border-radius:8px 8px 0;background:var(--navy);color:#fff}.student-message small{margin-top:8px;display:block;color:#ffffff80;font-size:10px}.teacher-message{max-width:72%;margin:12px 0;display:grid;grid-template-columns:34px 1fr;gap:10px}.teacher-message>b{width:34px;height:34px;display:grid;place-items:center;border-radius:50%;background:var(--gold);color:var(--navy)}.teacher-message>p{margin:0;padding:12px;border:1px solid var(--line);border-radius:0 8px 8px;background:#fff}.teacher-message strong{display:block;margin-bottom:6px;font-size:12px}.teacher-message em{padding:3px 6px;border-radius:999px;background:#f5e7c7;color:#7a591b;font-size:9px;font-style:normal}.teacher-message.assistant>b{background:#dff0ec;color:var(--success)}.qa-panel>footer{padding:10px 14px;display:flex;gap:10px;border-top:1px solid var(--line)}.qa-panel input{flex:1;padding:0 12px;border:0;border-radius:5px;background:#f4f5f7;outline:0}.qa-panel footer button{padding:10px 22px;border:0;border-radius:5px;background:var(--navy);color:#fff}.lesson-resources{padding:18px}.lesson-resources h2{margin-bottom:8px;font-size:20px;font-weight:400}.lesson-resources>p{color:var(--muted);font-size:11px}.lesson-resources>a,.lesson-resources aside{margin-top:12px;padding:14px;display:flex;flex-direction:column;border-radius:6px;background:var(--paper)}.lesson-resources small{margin-top:6px;color:var(--gold);font-size:10px}.lesson-resources aside{margin-top:14px;background:#edf2f6}.lesson-resources aside small{color:var(--muted);line-height:1.5}.modal-backdrop{position:fixed;inset:0;z-index:100;display:grid;place-items:center;background:#061421b8}.login-modal{width:min(490px,calc(100% - 32px));padding:38px;position:relative;border-radius:8px;background:#fff;text-align:center}.modal-close{position:absolute;top:16px;right:18px;border:0;background:transparent;font-size:26px;cursor:pointer}.login-steps{margin:22px 0;display:grid;grid-template-columns:repeat(3,1fr);color:var(--muted);font-size:11px}.login-steps b{width:24px;height:24px;margin:0 auto 6px;display:grid;place-items:center;border-radius:50%;background:var(--navy);color:#fff}.qr-status{color:var(--muted);font-size:12px}.qr-status i{width:7px;height:7px;display:inline-block;border-radius:50%;background:var(--success)}.wechat-login-qr{width:220px;height:220px;margin:20px auto 14px;display:grid;place-items:center;border:1px solid var(--line);border-radius:8px;background:var(--paper);color:var(--gold)}.wechat-login-qr img{width:208px;height:208px;display:block}.wechat-login-qr span{font-size:14px;color:var(--muted)}.success-page{padding-top:100px;text-align:center}.success-mark{width:76px;height:76px;margin:0 auto 18px;display:grid;place-items:center;border-radius:50%;background:var(--success);color:#fff;font-size:34px}.success-actions{display:flex;justify-content:center;gap:12px}.question-page{max-width:900px}.back-link{display:block;margin-bottom:22px}.question-course{padding:16px;display:flex;align-items:center;gap:14px;border:1px solid var(--line);border-radius:6px;background:#fff}.question-course>div{width:70px;height:70px;display:grid;place-items:center;border-radius:5px;background:var(--navy);color:var(--gold);font-size:20px}.question-course span{display:flex;flex-direction:column;gap:8px}.question-course small{color:var(--muted)}.privacy-note{padding:14px;border-radius:6px;background:#e9f3f0;color:var(--success);font-size:12px}.question-form,.question-item{margin:14px 0;padding:18px;border:1px solid var(--line);border-radius:6px;background:#fff}.question-form header,.question-item header{display:flex;align-items:center;justify-content:space-between}.question-form textarea{width:100%;min-height:120px;padding:14px;border:1px solid var(--line);border-radius:5px;resize:vertical}.question-form>button{margin-top:12px;padding:12px 18px;border:0;border-radius:5px;background:var(--navy);color:#fff}.question-item .answered{color:var(--success)}.question-item .pending{color:var(--gold)}.question-item>div{padding:14px;border-radius:5px;background:var(--paper)}.resource-link{padding:18px;display:block;border:1px solid var(--line);border-radius:6px;background:#fff}.mobile-profile-page{display:none}.desktop-profile-redirect{text-align:center}.desktop-profile-redirect .button{margin:8px 4px}.profile-links>button{width:100%;border:0;background:transparent;color:inherit;font:inherit;text-align:left;cursor:pointer}.email-binding-card{margin:0 0 20px;padding:20px;border:1px solid var(--gold);border-radius:6px;background:#fffaf0}.email-binding-card h2{margin:4px 0 8px;font-size:21px}.email-binding-card>p:not(.eyebrow),.profile-notice{color:var(--muted);font-size:12px}.email-binding-card input{width:100%;min-height:44px;padding:0 12px;border:1px solid var(--line);border-radius:5px;background:#fff;outline:0}.email-binding-card>div{margin:10px 0;display:grid;grid-template-columns:1fr auto;gap:8px}.email-binding-card>div button{padding:0 12px;border:1px solid var(--navy);border-radius:5px;background:#fff;color:var(--navy)}.email-binding-card .button{width:100%;border:0}.gift-recipient{margin:18px 0;padding:18px;border:1px solid var(--line);border-radius:6px;background:#fff}.gift-recipient p{color:var(--muted);font-size:13px}.gift-recipient input{width:100%;min-height:46px;padding:0 12px;border:1px solid var(--line);border-radius:5px}.gift-button{margin-top:10px;border:1px solid var(--gold);color:var(--navy)}.lesson-resources{margin-top:18px;display:grid;gap:8px}.lesson-resources button{padding:14px;display:flex;justify-content:space-between;border:1px solid var(--line);border-radius:5px;background:#fff;text-align:left}.lesson-resources small{color:var(--muted)}.referral-performance{margin-bottom:18px;padding:18px;display:grid;gap:5px;border-radius:6px;background:var(--navy);color:#fff}.referral-performance strong{color:var(--gold);font-size:28px}.referral-performance small{color:#fffa}.wechat-auth-page{min-height:100vh;padding:76px 24px;display:flex;flex-direction:column;align-items:center;background:var(--paper);text-align:center}.wechat-auth-page>h1{font-family:var(--font-brand);font-size:22px}.mobile-status{align-self:stretch;text-align:left}.auth-icon{width:88px;height:88px;margin:120px 0 26px;display:grid;place-items:center;border-radius:50%;background:#07c160;color:#fff;font-size:34px}.auth-progress{width:254px;height:4px;margin:24px;overflow:hidden;border-radius:99px;background:#dedede}.auth-progress i{height:100%;display:block;background:#07c160;transition:width .2s}.wechat-auth-page small,.wechat-auth-page p{color:var(--muted)}.admin-shell{min-height:100vh;display:grid;grid-template:72px 1fr / 230px 1fr;background:#f2f4f6}.admin-shell>header{grid-column:1/-1;padding:0 28px;display:flex;align-items:center;justify-content:space-between;background:var(--navy);color:#fff;font-size:20px}.admin-shell>header span{color:#a9b6c5;font-size:13px}.admin-shell>aside{padding:22px 14px;display:flex;flex-direction:column;gap:8px;background:#fff}.admin-shell>aside>*{padding:14px;border-radius:5px}.admin-shell>aside .active{background:var(--navy);color:#fff}.admin-shell>main{padding:28px}.admin-title>div:last-child{display:flex;gap:12px}.admin-title>div:last-child b{padding:12px 20px;display:flex;flex-direction:column;border-radius:6px;background:#fff}.admin-title small{color:var(--muted);font-size:10px}.admin-tabs{margin:18px 0;display:flex;gap:8px}.admin-workspace{height:700px;display:grid;grid-template-columns:390px 1fr;overflow:hidden;border:1px solid #d9dee5;border-radius:7px;background:#fff}.admin-list{overflow:auto;border-right:1px solid #d9dee5}.admin-list button{width:100%;padding:18px;display:flex;flex-direction:column;gap:8px;border:0;border-bottom:1px solid #e2e6eb;background:#fff;text-align:left}.admin-list button.active{background:#eef3f8}.admin-list span{display:flex;justify-content:space-between}.admin-list em{color:var(--muted);font-size:11px;font-style:normal}.admin-answer{padding:26px}.admin-answer header,.admin-answer footer{display:flex;align-items:center;justify-content:space-between}.admin-answer footer select{min-height:38px;padding:0 10px;border:1px solid var(--line);border-radius:5px;background:#fff}.admin-answer header span{display:grid;grid-template-columns:40px 1fr;align-items:center;gap:10px}.admin-answer header span>b{width:40px;height:40px;display:grid;place-items:center;grid-row:1/3;border-radius:50%;background:var(--gold)}.admin-answer header small{color:var(--muted)}.admin-answer textarea{width:100%;min-height:280px;margin:22px 0 12px;padding:16px;border:1px solid #d9dee5;resize:vertical}.admin-answer footer button{padding:12px 20px;border:0;border-radius:5px;background:var(--navy);color:#fff}@media(max-width:760px){body{padding-bottom:82px}.desktop-header{display:none}.mobile-header{height:120px;padding:62px 18px 0;display:flex;align-items:center;justify-content:space-between;position:relative;background:var(--paper)}.mobile-header:before{content:"9:41　　　　　　　　⌁  ▮";position:absolute;top:22px;left:20px;right:18px;color:var(--text);font-size:13px;font-weight:700}.mobile-header .brand{font-size:19px}.avatar-small{width:36px;height:36px;display:grid;place-items:center;border-radius:50%;background:var(--navy);color:#fff}.mobile-nav{height:62px;padding:4px;display:grid;grid-template-columns:repeat(3,1fr);position:fixed;z-index:50;left:18px;right:18px;bottom:18px;border-radius:999px;background:#fff;box-shadow:0 12px 34px #10243e18}.mobile-nav a{display:flex;flex-direction:column;align-items:center;justify-content:center;border-radius:999px;color:var(--muted);font-size:10px}.mobile-nav a span{margin-bottom:3px;font-size:17px}.mobile-nav a.router-link-active{background:var(--paper);color:var(--navy);font-weight:600}.page-main{min-height:calc(100vh - 120px)}.content-shell{width:auto;margin:0;padding:12px 18px 90px}.hero-panel{height:239px;display:block}.hero-copy{height:100%;padding:20px 24px}.hero-copy .eyebrow{font-size:9px}.hero-copy h1{margin:6px 0 12px;font-size:32px;line-height:1.08}.hero-copy>p:not(.eyebrow){font-size:12px}.hero-actions{margin-top:2px}.hero-actions a:not(.button),.hero-image{display:none}.hero-actions .button{min-height:38px;padding:0 14px;font-size:12px}.mobile-search{width:100%;margin:20px 0 28px;display:flex}.library-heading,.category-tabs,.feature-section .section-heading,.feature-card__copy,.desktop-search{display:none}.feature-section:before{content:"本月主打";display:block;margin-bottom:12px;font-size:24px}.feature-card{height:230px;margin-bottom:26px;display:block;border:0}.feature-card__image{height:230px;padding:18px;background-image:linear-gradient(180deg,#10243e40,#10243ed9),url(/assets/featured-mobile-C56qhLe8.jpg)}.feature-card__image h3{padding:0;background:transparent;font-size:26px;line-height:1.1}.course-grid:before{content:"精选课程";grid-column:1;font-size:24px}.course-grid{grid-template-columns:1fr;gap:12px}.course-card{min-height:140px;display:grid;grid-template-columns:112px 1fr}.course-card:nth-of-type(n+4){display:none}.course-card__image{height:140px;padding:10px}.course-card__image h3{font-size:18px;line-height:1.05}.course-card__body{min-height:140px;padding:12px 14px}.course-card__body p{display:none}.course-card__body small{font-size:9px}.course-card__body strong{font-size:22px}.course-card__body footer span{font-size:0}.course-card__body footer span:after{content:"→";font-size:18px}.course-card--dark{min-height:220px;display:block}.course-card--dark .course-card__image{min-height:220px}.course-card--dark .course-card__image h3{right:54px;bottom:60px;font-size:25px}.course-card__dark-copy{bottom:14px}.course-card__dark-copy p{display:none}.app-shell:has(.detail-page) .mobile-header,.app-shell:has(.checkout-page) .mobile-header,.app-shell:has(.mobile-profile-page) .mobile-header{display:none}.detail-page{padding-top:62px}.detail-page:before,.checkout-page:before{content:"9:41　　　　　　　　⌁  ▮";position:absolute;top:20px;left:20px;right:18px;font-size:13px;font-weight:700}.breadcrumb{display:none}.detail-hero{display:flex;flex-direction:column;gap:18px;align-items:stretch}.detail-hero:before{content:"←　　　　　　课程详情　　　　　　⌯";padding:4px;text-align:center}.detail-cover{height:228px;padding:24px}.detail-cover h1{font-size:34px}.detail-copy{display:contents}.detail-copy .pills{order:2}.detail-copy h1{order:3;margin:0;font-size:29px}.teacher{order:4}.detail-copy>p{order:5;margin:0;font-size:14px}.course-meta{order:6;margin:0;font-size:11px}.detail-layout{display:block;margin-top:20px}.detail-layout>div section:first-child{padding:16px;border:1px solid var(--line);border-radius:6px;background:#fff}.detail-layout section>h2{font-size:24px}.outcomes{font-size:13px;line-height:2}.chapter-row{min-height:54px;grid-template-columns:38px 1fr auto;font-size:12px}.chapter-row>span{padding:0;background:transparent;color:var(--gold);font-size:10px}.purchase-box{display:none}.mobile-buybar{height:76px;padding:10px 18px;display:flex;align-items:center;justify-content:space-between;position:fixed;z-index:60;left:0;right:0;bottom:0;border-top:1px solid var(--line);background:#fff}.mobile-buybar span{display:flex;flex-direction:column}.mobile-buybar b{font-size:26px}.app-shell:has(.detail-page) .mobile-nav,.app-shell:has(.checkout-page) .mobile-nav{display:none}.checkout-page{padding-top:72px;padding-bottom:110px}.checkout-page>.eyebrow{display:none}.checkout-page>h1{font-size:0}.checkout-page>h1:before{content:"←　　确认订单";font-size:16px}.checkout-grid{display:block}.checkout-course{padding:12px;align-items:flex-start}.checkout-course img{width:106px;height:126px}.checkout-course h2{font-size:17px}.checkout-course p{font-size:11px}.mobile-only{display:block;font-size:24px}.price-summary{margin-top:20px}.desktop-pay-card{display:none}.mobile-payment{display:block}.mobile-payment h2{margin:24px 0 10px}.mobile-payment>div{padding:20px;display:flex;justify-content:space-between;border:1px solid #00bd68;border-radius:6px;background:#fff}.mobile-payment>p{margin-top:18px;padding:16px;border-radius:5px;background:#edf8f2;font-size:12px}.checkout-terms{position:fixed;left:0;right:0;bottom:78px}.mobile-pay-button{height:54px;display:block;position:fixed;z-index:70;left:18px;right:18px;bottom:16px;border:0;border-radius:6px;background:#00bd68;color:#fff}.dashboard-page{display:block}.profile-sidebar{display:none}.dashboard-title,.dashboard-content>.stat-grid{display:none}.dashboard-content>h2{font-size:24px}.learning-card{display:block}.learning-card img{width:100%;height:180px}.learning-card .button{width:100%;margin-top:14px}.other-course{grid-template-columns:90px 1fr}.other-course img{width:90px;height:80px}.other-course>a{grid-column:1/-1}.desktop-profile-redirect{display:none}.mobile-profile-page{min-height:100vh;padding:0 18px 90px;display:block}.profile-mobile-hero{margin:0 -18px 20px;padding:62px 18px 26px;display:grid;grid-template-columns:58px 1fr auto;align-items:center;gap:14px;background:var(--navy);color:#fff}.profile-mobile-hero:before{content:"9:41　　　　　　　　　▮";position:absolute;top:20px;left:20px;font-size:13px}.profile-mobile-hero>b{width:58px;height:58px;display:grid;place-items:center;border-radius:50%;background:var(--gold);color:var(--navy);font-size:24px}.profile-mobile-hero h1{margin:0;font-size:24px;font-weight:400}.profile-mobile-hero p{margin:5px 0 0;color:#ffffff80;font-size:11px}.stat-grid.compact{margin:0 0 24px;grid-template-columns:repeat(3,1fr)}.stat-grid.compact>div{min-height:82px;padding:10px;align-items:center}.mobile-profile-page>h2{display:flex;justify-content:space-between;font-size:23px;font-weight:400}.mobile-profile-page>h2 a{color:var(--gold);font-size:12px}.profile-course{padding:16px;display:grid;grid-template-columns:76px 1fr;gap:12px;border:1px solid var(--line);border-radius:6px;background:#fff}.mini-cover{width:76px;height:76px;display:grid;place-items:center;border-radius:5px;background:var(--navy);color:var(--gold);font-size:22px}.profile-course h3{margin:8px 0}.profile-course p{color:var(--muted);font-size:11px}.profile-course .progress,.profile-course>small,.profile-course .button{grid-column:1/-1}.profile-links{margin-top:20px;display:flex;flex-direction:column;gap:8px}.profile-links a,.profile-links>button{padding:16px;display:flex;flex-direction:column;border:1px solid var(--line);border-radius:6px;background:#fff}.profile-links span{color:var(--muted);font-size:11px}.dashboard-records{padding-top:22px}body:has(.learning-page){padding-bottom:0}.learning-page>.desktop-header,.learning-page>.mobile-header{display:none}.learning-header{height:114px;padding:62px 18px 14px}.learning-header:before{content:"9:41　　　　　　　　⌁  ▮";position:absolute;top:20px;left:20px;font-size:13px;font-weight:700}.learning-header span{font-size:0}.learning-header span:after{content:"⋯";color:#fff;font-size:18px}.player-area{padding:0;display:block}.player{width:100%;min-height:220px;border-radius:0}.vod-player-shell,.vod-player-shell .tc-player{min-height:220px}.player span{width:62px;height:62px}.lesson-sidebar{display:none}.lesson-content{padding:20px 18px 30px}.lesson-heading button{display:none}.lesson-heading h1{font-size:24px}.lesson-progress{height:5px;margin:12px 0 18px;display:block;background:#dedad3}.lesson-progress i{width:28%;height:100%;display:block;background:var(--gold)}.mobile-lesson-tabs{display:grid;grid-template-columns:repeat(3,1fr);border-bottom:1px solid var(--line)}.mobile-lesson-tabs button{padding:12px;border:0;background:transparent}.mobile-lesson-tabs button.active{border-bottom:2px solid var(--gold);color:var(--gold)}.mobile-catalog,.mobile-tab-panel{display:block}.mobile-catalog button{width:100%;padding:14px 4px;display:grid;grid-template-columns:28px 1fr auto;border:0;border-bottom:1px solid var(--line);background:transparent;text-align:left}.mobile-catalog small{color:var(--muted)}.mobile-tab-panel{padding:18px 0}.course-support-grid{display:none}.question-page{padding-top:24px}.question-form textarea{min-height:160px}.success-actions{flex-direction:column}.success-page{padding-top:70px}.admin-shell{min-width:1100px}}