@charset "UTF-8";
:root{--ink:#202124;--muted:#7a7e87;--line:#e9ebee;--paper:#f7f8fa;--accent:#f56b38;--accent-soft:#fff1e9;--radius:16px;--font:Inter,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;color:var(--ink);font-family:var(--font);background:#fff;-webkit-font-smoothing:antialiased;font-size:16px}button,input,select,textarea{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button{cursor:pointer;color:inherit}button:disabled{cursor:not-allowed;opacity:.5}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid #f5ac86;outline-offset:4px}button{border:0;background:none}img,video{max-width:100%;display:block}svg{display:block}h1,h2,h3,p{margin:0}h1,h2,h3{letter-spacing:-.04em}p{line-height:1.9}button[hidden],[hidden]{display:none!important}.container{max-width:1240px;margin:0 auto;padding:0 32px}.icon{display:inline-flex;width:20px;height:20px;align-items:center;justify-content:center;flex-shrink:0}.icon svg{width:100%;height:100%;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.skip{position:fixed;top:-60px;left:20px;z-index:100;background:#111;color:#fff;padding:12px}.skip:focus{top:10px}.preview-notice{height:34px;background:#fff3e9;color:#8c563b;font-size:13px;letter-spacing:.03em;display:flex;align-items:center;justify-content:center;gap:7px}.preview-notice button{margin-left:25px;font-size:13px;border-bottom:1px solid #d8b6a4;padding:0 0 1px}.status-dot{width:5px;height:5px;background:var(--accent);border-radius:50%;display:inline-block}.header{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.95);border-bottom:1px solid rgba(233,235,238,.8);backdrop-filter:blur(18px)}.header-inner{max-width:1440px;padding:0 50px;margin:auto;height:88px;display:flex;align-items:center;justify-content:space-between;gap:30px}.brand{display:flex;align-items:center;gap:10px;font-size:24px;letter-spacing:-.055em;font-weight:800;white-space:nowrap}.brand-ppt{font-size:25px;letter-spacing:-.065em;margin-left:2px}.brand small{display:block;font-size:12px;font-weight:400;color:#8b8b8b;letter-spacing:.23em;margin-top:2px}.desktop-nav{display:flex;gap:35px;height:100%;align-items:center}.desktop-nav a{height:100%;display:flex;align-items:center;color:#62656d;font-size:15px;position:relative}.desktop-nav a:hover,.desktop-nav a.active{color:#17191d}.desktop-nav a.active:after{content:"";position:absolute;bottom:21px;left:50%;transform:translateX(-50%);width:15px;height:3px;border-radius:3px;background:var(--accent)}.header-actions{display:flex;align-items:center;gap:22px}.redeem-link{display:flex;align-items:center;gap:7px;font-size:14px;color:#54565c}.redeem-link .icon{width:17px;height:17px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:18px;min-height:48px;border-radius:8px;padding:0 23px;font-weight:550;transition:background .2s,transform .2s;border:1px solid transparent;font-size:15px}.btn:hover{transform:translateY(-2px)}.btn-dark{background:#252629;color:#fff}.btn-dark:hover{background:#414247}.btn-accent{background:var(--accent);color:white}.btn-accent:hover{background:#df5729}.btn-outline{border-color:#dbdde2;background:transparent}.btn-outline:hover{background:#f4f5f7}.btn-small{min-height:39px;padding:0 16px;font-size:14px;border-radius:7px;gap:14px}.btn-full{width:100%}.icon-btn{width:36px;height:36px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);background:white}.icon-btn:hover{background:var(--paper)}.mobile-toggle{display:none}.mobile-nav{padding:10px 24px 20px;display:grid;grid-template-columns:1fr 1fr;gap:10px;border-top:1px solid var(--line)}.mobile-nav a{padding:10px;border-radius:5px;background:var(--paper)}.hero{background:linear-gradient(108deg,#f8f9fb 0%,#f8f9fb 58%,#f1f2f5 100%);overflow:hidden}.hero-inner{display:grid;grid-template-columns:1fr 1.05fr;gap:20px;align-items:center;min-height:563px;padding-top:45px;padding-bottom:45px}.eyebrow{display:flex;align-items:center;gap:9px;font-size:12px;letter-spacing:.16em;color:#888b92;font-weight:550;margin-bottom:24px}.eyebrow .status-dot{width:6px;height:6px}.hero h1{font-size:58px;line-height:1.35;font-weight:750;letter-spacing:-.065em}.hero h1 em{font-style:normal;color:var(--accent)}.hero-copy>p{max-width:390px;color:#777c85;font-size:15px;margin-top:23px;line-height:2.05}.hero-cta{display:flex;gap:13px;margin-top:30px}.hero-footnote{display:flex;gap:14px;align-items:center;margin-top:24px;font-size:12px;color:#9498a1}.hero-footnote .thin-line{height:1px;width:30px;background:#d1d4da}.hero-art{position:relative;height:410px;margin-left:12px;perspective:1000px}.art-grid{position:absolute;inset:25px -80px 0 0;background-image:linear-gradient(#dfe2e7 1px,transparent 1px),linear-gradient(90deg,#dfe2e7 1px,transparent 1px);background-size:42px 42px;opacity:.45;mask-image:radial-gradient(ellipse,#000 20%,transparent 70%)}.art-card{position:absolute;background:white;border-radius:12px;box-shadow:0 16px 45px #1d283514;overflow:hidden;transition:transform .4s}.art-main{width:93%;top:73px;left:3%;transform:rotate(-7deg);z-index:2;border:7px solid white}.art-main:hover{transform:rotate(-3deg) translateY(-6px)}.art-small{width:48%;top:12px;right:-7%;transform:rotate(10deg);z-index:1;border:5px solid white}.art-tiny{width:43%;bottom:5px;left:-3%;transform:rotate(6deg);z-index:3;border:5px solid white}.art-label{position:absolute;z-index:5;bottom:14px;right:-1%;background:white;padding:12px 16px;border-radius:9px;display:flex;gap:10px;align-items:center;box-shadow:0 8px 25px #2a31450a}.art-label .spark{width:28px;height:28px;border-radius:7px;background:var(--accent-soft);display:grid;place-items:center;color:var(--accent)}.art-label strong{font-size:13px;font-weight:550}.art-label small{display:block;font-size:12px;color:#969aa3;margin-top:4px}.art-caption{position:absolute;top:12px;left:18px;z-index:5;font-size:12px;color:#9498a3;letter-spacing:.14em}.proof{border-bottom:1px solid var(--line)}.proof-inner{display:grid;grid-template-columns:repeat(4,1fr);padding-top:28px;padding-bottom:28px}.proof-item{display:flex;gap:13px;align-items:center;justify-content:center;border-right:1px solid var(--line)}.proof-item:first-child{justify-content:flex-start}.proof-item:last-child{border:0}.proof-number{font-size:27px;letter-spacing:-.045em;font-weight:700}.proof-label{color:#8a8d94;font-size:12px;line-height:1.8}.section{padding:70px 0}.section-soft{background:var(--paper)}.section-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:29px;gap:20px}.section-kicker{font-size:12px;letter-spacing:.15em;color:var(--accent);font-weight:600;margin-bottom:9px}.section-head h2{font-size:31px;line-height:1.3;font-weight:650}.section-head p{color:#8b8f98;font-size:14px;margin-top:9px}.text-link{display:inline-flex;align-items:center;gap:15px;font-size:14px;white-space:nowrap;color:#666b73}.text-link:hover{color:var(--accent)}.filter-bar{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:24px}.filters{display:flex;gap:8px;flex-wrap:wrap}.chip{padding:8px 16px;border-radius:6px;font-size:14px;color:#858993;background:transparent;transition:.2s}.chip:hover{background:#f0f1f4;color:#444}.chip.active{background:#27292d;color:#fff}.search{display:flex;align-items:center;gap:8px;background:#f6f7f9;border:1px solid #eff0f3;border-radius:7px;padding:9px 12px;min-width:210px}.search .icon{width:15px;height:15px;color:#9a9fa8}.search input{border:0;outline:0;background:transparent;width:100%;font-size:13px;color:#333}.search input::placeholder{color:#a3a6ae}.template-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px 24px}.template-card{min-width:0}.cover-link{display:block;position:relative;overflow:hidden;border-radius:10px;border:1px solid #eceef1;background:#f3f4f6;aspect-ratio:16/9}.cover-link img{width:100%;height:100%;object-fit:cover;transition:transform .45s}.cover-link:hover img{transform:scale(1.035)}.cover-overlay{position:absolute;inset:0;background:#12151f22;opacity:0;display:flex;align-items:center;justify-content:center;transition:.2s}.cover-overlay span{background:#ffffffed;border-radius:30px;font-size:13px;padding:9px 17px}.cover-link:hover .cover-overlay{opacity:1}.cover-badge{position:absolute;bottom:10px;right:10px;background:#ffffffd9;backdrop-filter:blur(6px);border-radius:4px;font-size:12px;padding:4px 6px;color:#595d65}.card-info{padding:15px 2px 0}.card-title-row{display:flex;align-items:center;justify-content:space-between;gap:8px}.card-info h3{font-size:16px;font-weight:600;letter-spacing:0}.card-info p{font-size:12px;color:#979ba3;line-height:1.6;margin-top:6px}.card-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:14px}.tags{display:flex;gap:6px;flex-wrap:wrap}.tag{font-size:12px;color:#9498a0;border:1px solid #e9ebef;padding:3px 6px;border-radius:3px}.mini-action{display:flex;align-items:center;gap:5px;color:#7e838b;font-size:12px}.mini-action .icon{width:13px;height:13px}.sample-caption{font-size:12px!important;color:#a0a4ab!important;margin-top:22px!important;display:flex;align-items:center;gap:7px}.course-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:24px}.course-card{background:white;border-radius:12px;overflow:hidden;border:1px solid var(--line);display:grid;grid-template-columns:45% 55%;min-height:215px}.course-card .course-cover{overflow:hidden;min-height:215px;background:#272c37}.course-cover img{width:100%;height:100%;object-fit:cover}.course-info{padding:26px 24px;display:flex;flex-direction:column;align-items:flex-start}.course-pill{font-size:12px;color:var(--accent);background:var(--accent-soft);border-radius:4px;padding:4px 7px;margin-bottom:13px}.course-info h3{font-size:19px;font-weight:650;line-height:1.5}.course-info p{font-size:13px;color:#91959d;margin:9px 0 18px;line-height:1.9}.course-info .text-link{margin-top:auto;font-size:13px;color:#555}.why-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:90px;align-items:center}.why-copy h2{font-size:35px;line-height:1.6;margin-bottom:18px;font-weight:650}.why-copy p{color:#8a8f98;font-size:14px}.why-list{display:grid;gap:25px}.why-item{display:flex;gap:20px;align-items:flex-start}.why-number{font-size:13px;color:var(--accent);font-variant-numeric:tabular-nums;margin-top:5px}.why-item h3{font-size:16px;letter-spacing:0;margin-bottom:5px}.why-item p{font-size:13px;color:#989ca4}.join-band{background:#242629;border-radius:13px;display:flex;align-items:center;justify-content:space-between;padding:38px 44px;gap:25px;position:relative;overflow:hidden;color:#fff}.join-band:after{content:"";position:absolute;width:250px;height:250px;border:40px solid #ffffff04;border-radius:50%;right:160px;top:-120px;pointer-events:none}.join-band h2{font-size:27px;letter-spacing:-.03em;font-weight:600}.join-band p{font-size:13px;color:#a7a9af;margin-top:9px}.join-band .btn{position:relative;z-index:1;white-space:nowrap}.footer{padding-top:48px;background:#fff}.footer-main{display:grid;grid-template-columns:1fr 1fr 1fr;align-items:start;gap:20px;padding-bottom:35px}.footer-main p{font-size:13px;color:#9b9ea6}.footer-main>div{display:grid;grid-template-columns:1fr 1fr;gap:17px;font-size:13px;color:#7a7f89}.footer-bottom{border-top:1px solid var(--line);padding-top:21px;padding-bottom:24px;display:flex;justify-content:space-between;gap:20px;align-items:center;font-size:12px;color:#a2a6ae}.footer-bottom>div{display:flex;gap:18px}.footer-bottom button{padding:0;color:inherit;font-size:inherit}.page-top{background:var(--paper);padding:48px 0 38px;border-bottom:1px solid var(--line)}.breadcrumb{font-size:12px;color:#9398a1;display:flex;align-items:center;gap:9px;margin-bottom:22px}.breadcrumb a:hover{color:var(--accent)}.page-top h1{font-size:40px;line-height:1.4;font-weight:650}.page-top p{margin-top:12px;color:#8a8f99;font-size:14px}.page-body{padding:40px 0 65px;min-height:45vh}.result-info{font-size:12px;color:#a0a4ac;margin-bottom:18px}.empty{padding:70px 25px;text-align:center;background:var(--paper);border:1px dashed #dfe2e8;border-radius:12px}.empty h3{font-size:19px;margin:15px 0 7px}.empty p{color:#8c919a;font-size:14px;margin-bottom:22px}.empty>.icon{width:30px;height:30px;color:#b7bbc4}.detail-layout{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(260px,.8fr);gap:36px;align-items:start}.detail-cover{border-radius:13px;overflow:hidden;border:1px solid var(--line);width:100%}.panel{background:#fff;border:1px solid var(--line);border-radius:12px;padding:26px}.panel h2{font-size:21px;line-height:1.5;margin-bottom:15px}.panel h3{font-size:17px;letter-spacing:0;margin-bottom:12px}.panel p{font-size:14px;color:#868c96}.panel .btn{margin-top:20px}.meta-list{padding:0;list-style:none;margin:20px 0;display:grid;gap:13px}.meta-list li{font-size:13px;display:flex;justify-content:space-between;gap:20px}.meta-list li span{color:#969ba4}.hint{background:#f7f8fa;border-radius:6px;padding:12px 14px;font-size:13px;color:#8e939d;line-height:1.9}.hint-warm{background:#fff4eb;color:#986b50}.detail-text{margin-top:30px}.detail-text h2{font-size:22px;margin:28px 0 15px}.detail-text p{color:#818791;font-size:14px}.preview-strip{display:grid;grid-template-columns:1fr 1fr;gap:13px;margin-top:17px}.preview-strip img{border-radius:8px;border:1px solid var(--line);width:100%}.access-state{font-size:13px;display:flex;align-items:center;gap:7px;color:#90959e;margin-top:15px}.access-state.unlocked{color:#44816b}.sticky-panel{position:sticky;top:115px}.lesson-list{display:grid;gap:8px;margin-top:22px}.lesson-row{display:flex;width:100%;align-items:center;justify-content:space-between;gap:12px;padding:16px;border-radius:7px;border:1px solid var(--line);text-align:left;font-size:14px;background:white}.lesson-row:hover,.lesson-row.active{border-color:#f2c6b2;background:#fff7f2}.lesson-left{display:flex;gap:12px;align-items:center}.lesson-left .icon{width:16px;height:16px;color:#9096a0}.lesson-no{font-size:12px;color:#a4a9b1;width:17px}.lesson-right{font-size:12px;color:#9ca1aa;white-space:nowrap}.free-label{font-size:12px;color:var(--accent);margin-right:7px}.player-layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:24px}.player{background:#1d2026;border-radius:12px;overflow:hidden;aspect-ratio:16/9;position:relative;display:flex;align-items:center;justify-content:center;color:#fff}.player video{width:100%;height:100%;background:#111}.player-placeholder{text-align:center;padding:25px;position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background:radial-gradient(ellipse at 70% 30%,#39404b,#1c2027)}.player-placeholder h2{font-size:25px;margin:15px 0 10px}.player-placeholder p{font-size:13px;color:#a5aab4}.round-play{width:60px;height:60px;border-radius:50%;background:var(--accent);display:flex;align-items:center;justify-content:center;color:white}.round-play .icon{margin-left:3px;width:24px;height:24px}.player-title{display:flex;justify-content:space-between;align-items:center;gap:15px;margin:23px 0}.player-title h1{font-size:22px}.player-meta{font-size:13px;color:#8c929d;margin-top:9px}.side-lessons{padding:20px;background:var(--paper);border-radius:12px}.side-lessons h2{font-size:17px}.side-lessons .lesson-row{font-size:13px;padding:12px 10px;line-height:1.7}.side-lessons .lesson-no{display:none}.side-lessons .lesson-right{font-size:12px}.redeem-layout{max-width:920px;margin:auto;display:grid;grid-template-columns:.9fr 1.1fr;gap:70px;padding-top:20px;align-items:start}.redeem-copy h2{font-size:32px;line-height:1.6}.redeem-copy>p{font-size:14px;color:#8c929c;margin:18px 0 30px}.steps{display:grid;gap:24px;list-style:none;margin:0;padding:0}.steps li{display:flex;gap:15px;align-items:start}.step-index{width:25px;height:25px;flex-shrink:0;background:#f0f1f4;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;color:#8d929b}.steps h3{font-size:14px;letter-spacing:0;margin:3px 0 5px}.steps p{font-size:13px;color:#9a9fa8}.form-panel{padding:30px;border:1px solid var(--line);border-radius:13px;background:white;box-shadow:0 12px 45px #22222204}.form-panel h2{font-size:22px;margin-bottom:8px}.form-panel>p{font-size:13px;color:#979ca5;margin-bottom:25px}.field{display:block;margin:18px 0}.field>span{display:block;font-size:13px;margin-bottom:9px;color:#6d737d}.input{width:100%;height:46px;padding:0 13px;border:1px solid #e4e6eb;border-radius:7px;outline:0;background:#fafbfc;font-size:15px}.input:focus{border-color:#efb59c;background:#fff}.input-code{font-family:monospace;letter-spacing:.08em;text-transform:uppercase}.form-error{min-height:20px;color:#c3553b;font-size:13px;line-height:1.7;margin:10px 0}.form-note{font-size:12px;color:#a0a5ae;line-height:1.8;margin-top:15px}.success-box{text-align:center;padding:15px 0}.success-mark{width:56px;height:56px;border-radius:50%;background:#edf7f0;color:#54856b;display:grid;place-items:center;margin:0 auto 18px;font-size:27px}.success-box h2{font-size:23px}.success-box p{font-size:14px;color:#9398a2;margin:15px 0 20px}.my-heading{display:flex;align-items:center;justify-content:space-between;gap:20px}.profile{display:flex;gap:20px;align-items:center}.avatar{width:60px;height:60px;border-radius:16px;background:#f7e2d5;color:#bb6a40;display:flex;align-items:center;justify-content:center;font-size:27px;font-weight:650}.profile h1{font-size:29px}.profile p{font-size:13px}.tabs{display:flex;gap:28px;border-bottom:1px solid var(--line);margin-bottom:30px}.tab{padding:0 0 16px;font-size:14px;color:#9297a0;position:relative}.tab.active{color:#292d33}.tab.active:after{content:"";position:absolute;height:2px;bottom:-1px;left:0;right:0;background:var(--accent)}.tab em{font-size:12px;font-style:normal;color:#a3a7af;margin-left:6px}.records{width:100%;border-collapse:collapse;font-size:14px}.records th,.records td{padding:17px 12px;text-align:left;border-bottom:1px solid var(--line)}.records th{font-size:12px;color:#9a9fa8;font-weight:400;background:var(--paper)}.records td small{color:#9b9fa8}.about-hero{display:grid;grid-template-columns:1.1fr 1fr;gap:80px;align-items:center;padding:35px 0}.about-hero h1{font-size:43px;line-height:1.6}.about-hero p{font-size:15px;color:#858b95;margin-top:23px}.about-art{border-radius:14px;overflow:hidden;transform:rotate(3deg)}.platforms{display:flex;gap:10px;margin-top:25px;flex-wrap:wrap}.platforms a{border:1px solid var(--line);border-radius:5px;padding:7px 13px;font-size:13px;color:#747b87}.faq-list{max-width:850px;margin:auto}.faq-list details{border-bottom:1px solid var(--line);padding:20px 0}.faq-list summary{cursor:pointer;font-size:16px}.faq-list p{color:#8d939c;font-size:14px;margin-top:14px}.modal-overlay{position:fixed;inset:0;background:#171c2859;backdrop-filter:blur(5px);z-index:100;display:flex;align-items:center;justify-content:center;padding:20px;overflow:auto}.modal{background:#fff;width:430px;max-width:100%;max-height:90vh;overflow:auto;position:relative;border-radius:17px;padding:38px;box-shadow:0 20px 100px #1113}.modal.wide{width:650px}.modal-close{position:absolute;right:14px;top:14px;font-size:23px;line-height:1;border:0;color:#8d939d}.modal h2{font-size:25px;margin-bottom:10px}.modal p{font-size:14px;color:#959aa4}.login-row{display:flex;gap:8px}.login-row .input{min-width:0}.send-code{white-space:nowrap;font-size:13px;color:var(--accent);border:1px solid #e7e8ec;padding:0 10px;border-radius:7px;min-width:103px}.check-label{display:flex;align-items:flex-start;gap:8px;font-size:12px;color:#9ba0a9;line-height:1.8;margin:17px 0}.check-label input{accent-color:var(--accent);margin-top:3px;flex-shrink:0}.demo-login{margin-top:22px;border-top:1px solid var(--line);padding-top:20px}.demo-login .btn{font-size:14px;min-height:42px}.demo-login p{font-size:12px;margin-top:8px}.toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%);z-index:150;max-width:calc(100% - 30px);background:#292d34;color:white;border-radius:8px;padding:14px 22px;font-size:14px;box-shadow:0 6px 25px #17202c29;line-height:1.8}.admin-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:25px}.admin-head h1{font-size:29px}.admin-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:30px}.stat-card{border:1px solid var(--line);border-radius:10px;padding:24px}.stat-card>span{font-size:13px;color:#9096a1}.stat-card strong{display:block;font-size:34px;margin-top:13px;letter-spacing:-.04em}.stat-card small{font-size:12px;color:#a0a5ae}.admin-layout{display:grid;grid-template-columns:190px minmax(0,1fr);gap:28px}.admin-menu{display:flex;flex-direction:column;gap:8px}.admin-menu button{text-align:left;padding:12px 14px;border-radius:6px;font-size:14px;color:#868d98}.admin-menu button.active{background:var(--accent-soft);color:#bf653b}.admin-table-wrap{overflow:auto;border:1px solid var(--line);border-radius:9px}.admin-table-wrap td{min-width:90px}.admin-table-wrap td:first-child{min-width:170px}.admin-table-wrap .records tr:last-child td{border-bottom:0}.badge{font-size:12px;border-radius:4px;background:#f0f2f5;color:#8b929e;padding:4px 7px;white-space:nowrap}.badge-green{background:#eaf5ee;color:#659278}.admin-toolbar{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:20px}.admin-toolbar h2{font-size:20px}.admin-form{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}.admin-form .full{grid-column:1/-1}textarea.input{height:130px;padding:12px;line-height:1.8;resize:vertical;font-family:monospace;font-size:13px}.inline-buttons{display:flex;gap:8px;flex-wrap:wrap}.tiny-link{font-size:12px;color:var(--accent);padding:4px 5px}.progress-bar{height:3px;background:#eee;border-radius:3px;margin-top:12px;overflow:hidden}.progress-bar span{height:100%;background:var(--accent);display:block}.policy p{margin:14px 0;font-size:14px;line-height:1.9}.policy h3{font-size:16px;margin:20px 0 8px}.code-sample{background:#f3f4f7;border:1px dashed #daddE4;padding:13px;border-radius:6px;margin:14px 0;font-family:monospace;font-size:17px;letter-spacing:.08em;text-align:center}.small-eyebrow{font-size:12px;letter-spacing:.13em;color:#9ba1ab;margin-bottom:14px}.mt-20{margin-top:20px}.mt-30{margin-top:30px}.loading{padding:100px 20px;text-align:center;color:#989ea8}.about-blocks{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:50px}.about-blocks h3{font-size:17px;margin-bottom:12px}.about-blocks p{font-size:14px;color:#9298a2}.page-code{font-size:12px;color:#9fa4ae;letter-spacing:.1em;margin-bottom:15px}.revoke-note{font-size:12px;color:#aa795f}.mini-icon{width:14px;height:14px}.view-status{font-size:13px;color:#8b919d}
@media(min-width:1440px){.container{max-width:1280px}.hero h1{font-size:63px}.hero-inner{min-height:585px}.hero-art{height:435px}.art-main{top:80px}}
@media(max-width:1100px){.header-inner{padding:0 28px;gap:20px}.desktop-nav{gap:23px}.header-actions{gap:15px}.hero h1{font-size:47px}.hero-art{height:350px}.art-main{top:70px}.proof-number{font-size:22px}.proof-item{gap:9px}.course-card{grid-template-columns:40% 60%}.course-info{padding:20px 17px}.course-info h3{font-size:17px}.why-grid{gap:50px}.player-layout{grid-template-columns:minmax(0,1fr) 250px}.redeem-layout{gap:40px}}
@media(max-width:850px){.desktop-nav{gap:18px}.desktop-nav a{font-size:14px}.redeem-link{display:none}.hero h1{font-size:40px}.hero-inner{min-height:460px}.hero-art{height:300px;margin-left:0}.art-label{bottom:-5px;padding:9px}.hero-copy>p{font-size:14px}.proof-item{flex-direction:column;gap:3px;align-items:flex-start;padding-left:22px}.proof-item:first-child{justify-content:unset;padding-left:0}.proof-label br{display:none}.proof-number{font-size:24px}.course-grid{grid-template-columns:1fr}.course-card{grid-template-columns:40% 60%;min-height:190px}.course-card .course-cover{min-height:190px}.course-info{padding:24px}.course-info h3{font-size:20px}.template-grid{gap:24px 17px}.card-info h3{font-size:14px}.why-grid{gap:35px}.why-copy h2{font-size:30px}.footer-bottom{flex-wrap:wrap}.detail-layout{gap:24px;grid-template-columns:1.3fr 1fr}.player-layout{grid-template-columns:1fr}.side-lessons{margin-top:6px}.side-lessons .lesson-list{grid-template-columns:1fr 1fr}.redeem-layout{gap:30px}.redeem-copy h2{font-size:28px}.form-panel{padding:24px}.about-hero{gap:35px}.about-hero h1{font-size:35px}.admin-layout{grid-template-columns:150px minmax(0,1fr)}}
@media(max-width:650px){.container{padding:0 21px}.preview-notice{font-size:12px;height:30px}.notice-detail{display:none}.preview-notice button{font-size:12px;margin-left:12px}.header-inner{height:72px;padding:0 20px}.brand{font-size:21px;gap:8px}.brand img{width:33px;height:33px}.brand-ppt{font-size:22px}.brand small{font-size:12px}.desktop-nav{display:none}.mobile-toggle{display:inline-flex;border:0}.header-actions{gap:9px}.header-actions .btn{font-size:12px;min-height:34px;padding:0 11px;gap:8px}.hero-inner{display:flex;flex-direction:column;padding-top:39px;padding-bottom:30px;gap:22px;align-items:stretch}.eyebrow{font-size:12px;margin-bottom:19px}.hero h1{font-size:43px;line-height:1.35;letter-spacing:-.06em}.hero-copy>p{font-size:14px;margin-top:18px;max-width:330px}.hero-cta{margin-top:22px;gap:10px}.btn{min-height:45px;font-size:14px;padding:0 19px;gap:15px}.hero-footnote{margin-top:19px;font-size:12px}.hero-art{height:297px;margin:0 5px;width:min(100%,430px);align-self:center}.art-main{top:61px;width:87%;left:6%}.art-small{top:9px;right:0%;width:44%}.art-tiny{bottom:6px;left:0;width:40%}.art-label{right:0;bottom:0}.art-caption{left:10px;top:20px;font-size:12px}.proof-inner{grid-template-columns:repeat(2,1fr);padding-top:22px;padding-bottom:22px;gap:19px 0}.proof-item{padding-left:21px;gap:1px}.proof-item:first-child,.proof-item:nth-child(3){padding-left:0}.proof-item:nth-child(2){border:0}.proof-number{font-size:25px}.proof-label{font-size:12px}.section{padding:43px 0}.section-head{margin-bottom:23px;align-items:center}.section-head h2{font-size:27px}.section-head p{font-size:12px;max-width:230px}.section-kicker{font-size:12px;margin-bottom:8px}.text-link{font-size:12px;gap:7px}.filter-bar{flex-direction:column;align-items:stretch;gap:15px}.filters{gap:4px}.chip{font-size:13px;padding:7px 12px}.search{min-width:0;width:100%}.template-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:23px 13px}.cover-link{border-radius:7px}.cover-badge{font-size:12px;bottom:6px;right:6px;padding:3px 4px}.card-info{padding-top:11px}.card-info h3{font-size:13px;line-height:1.6;letter-spacing:-.02em}.card-info p{font-size:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:28px}.card-bottom{margin-top:10px}.tags{gap:3px}.tag{font-size:12px;padding:2px 4px}.mini-action{font-size:12px}.mini-action .icon{width:11px;height:11px}.template-card .mini-action span:last-child{display:none}.sample-caption{font-size:12px!important;line-height:1.9!important;align-items:flex-start}.course-card{grid-template-columns:37% 63%;min-height:188px}.course-card .course-cover{min-height:188px}.course-info{padding:20px 17px}.course-info h3{font-size:17px}.course-info p{font-size:12px;margin-top:7px;margin-bottom:14px}.course-pill{font-size:12px;margin-bottom:10px}.why-grid{grid-template-columns:1fr;gap:28px}.why-copy h2{font-size:29px;margin-bottom:12px}.why-copy p{font-size:13px}.why-list{gap:20px}.why-item{gap:15px}.why-item h3{font-size:15px}.why-item p{font-size:12px}.join-band{padding:28px 24px;align-items:flex-start;flex-direction:column;gap:20px;border-radius:10px}.join-band h2{font-size:22px}.join-band p{font-size:12px}.footer{padding-top:34px}.footer-main{grid-template-columns:1fr 1fr;gap:24px;padding-bottom:26px}.footer-main p{font-size:12px}.footer-main>div{grid-column:1/-1;display:flex;justify-content:space-between;gap:10px;font-size:12px}.footer-bottom{font-size:12px;gap:12px;padding-top:18px;padding-bottom:18px}.footer-bottom>div{gap:12px}.page-top{padding:28px 0}.breadcrumb{font-size:12px;margin-bottom:16px}.page-top h1{font-size:31px}.page-top p{font-size:13px}.page-body{padding-top:28px;padding-bottom:45px}.detail-layout{display:flex;flex-direction:column;gap:25px}.detail-layout>*{width:100%}.sticky-panel{position:static;order:-1}.detail-layout>.sticky-panel{order:unset}.detail-text h2{font-size:20px}.detail-text p{font-size:13px}.panel{padding:23px}.preview-strip{gap:10px}.player-title{align-items:flex-start;flex-direction:column;gap:15px}.player-title h1{font-size:19px}.player-placeholder h2{font-size:20px}.player-placeholder p{font-size:12px}.round-play{width:45px;height:45px}.side-lessons .lesson-list{grid-template-columns:1fr}.redeem-layout{grid-template-columns:1fr;gap:30px;padding-top:0}.redeem-copy h2{font-size:29px}.redeem-copy>p{font-size:13px;margin:13px 0 22px}.steps{grid-template-columns:repeat(3,1fr);gap:12px}.steps li{flex-direction:column;gap:7px}.steps h3{font-size:13px}.steps p{font-size:12px}.form-panel{padding:25px}.my-heading{align-items:flex-start;flex-direction:column;gap:20px}.profile{gap:15px}.avatar{width:49px;height:49px;font-size:22px;border-radius:13px}.profile h1{font-size:24px}.profile p{font-size:12px}.tabs{gap:23px;margin-bottom:25px;overflow:auto}.tab{font-size:13px;white-space:nowrap}.tab em{font-size:12px}.records{font-size:12px}.records th,.records td{padding:13px 9px}.about-hero{grid-template-columns:1fr;gap:35px;padding-top:5px}.about-hero h1{font-size:36px}.about-hero p{font-size:14px;margin-top:17px}.about-art{max-width:450px}.about-blocks{grid-template-columns:1fr;gap:25px;margin-top:35px}.about-blocks h3{font-size:17px}.about-blocks p{font-size:13px}.modal{padding:32px 25px}.modal h2{font-size:23px}.modal p{font-size:13px}.admin-head h1{font-size:23px}.admin-grid{gap:10px}.stat-card{padding:16px 12px}.stat-card strong{font-size:28px}.stat-card>span{font-size:12px}.stat-card small{font-size:12px}.admin-layout{grid-template-columns:1fr;gap:20px}.admin-menu{flex-direction:row;overflow:auto;gap:4px}.admin-menu button{white-space:nowrap;font-size:13px;padding:9px 12px}.admin-toolbar h2{font-size:18px}.admin-form{grid-template-columns:1fr}.admin-form .full{grid-column:auto}.admin-table-wrap .records{font-size:12px}.hero-art .cover-badge{display:none}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}