:root{
  --bg:#f5f8ff;--surface:#fff;--ink:#0b1f46;--text:#2a3957;--muted:#75819a;--line:#e5ebf5;
  --blue:#296dff;--blue2:#5a93ff;--blue-soft:#edf4ff;--green:#22b47b;--orange:#ff8a32;--purple:#7657ff;
  --shadow:0 18px 50px rgba(42,74,135,.10);--radius:22px;
}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;background:var(--bg);color:var(--ink)}
button,input,select,textarea{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}.hidden{display:none!important}
.topbar{height:72px;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 32px;position:sticky;top:0;z-index:60;backdrop-filter:blur(14px)}
.brand{display:flex;align-items:center;gap:11px;font-weight:900;cursor:pointer;white-space:nowrap}.brand-mark{width:36px;height:36px;border-radius:12px;background:linear-gradient(135deg,#31a0ff,#2e5fff);display:grid;place-items:center;color:#fff;box-shadow:0 8px 22px rgba(46,96,255,.28)}.brand small{display:block;font-size:9px;letter-spacing:1.2px;color:#9ba6ba;margin-top:2px}
.nav{display:flex;gap:6px}.nav button{border:0;background:transparent;color:#6f7c94;padding:10px 14px;border-radius:10px;font-size:13px;font-weight:750;position:relative}.nav button:hover{background:#f4f7fc;color:#274168}.nav button.active{color:var(--blue)}.nav button.active:after{content:"";height:3px;position:absolute;left:15px;right:15px;bottom:2px;background:var(--blue);border-radius:99px}
.right{display:flex;align-items:center;gap:8px}.pill{display:flex;align-items:center;gap:8px;padding:6px 10px;border:1px solid var(--line);border-radius:999px;background:#fff;font-size:12px;font-weight:800}.avatar{width:27px;height:27px;border-radius:50%;display:grid;place-items:center;background:#eaf2ff;color:var(--blue)}.pro .avatar{background:#e5f8ef;color:var(--green)}.top-btn{height:38px;border:1px solid var(--line);background:#fff;padding:0 13px;border-radius:11px;font-size:12px;font-weight:800;color:#526078}.top-btn.primary{border-color:transparent;background:var(--blue);color:#fff}.top-btn.admin{background:#14213d;color:#fff;border-color:#14213d}.top-btn.admin-lite{height:34px;padding:0 12px;border-radius:999px;background:rgba(17,33,63,.04);border-color:#dbe4f2;color:#5d6d88;font-size:12px;font-weight:800}.top-btn.admin-lite:hover{background:#eef4ff;color:#284c96;border-color:#cdddff}.guest{font-size:12px;color:#8490a6;padding:0 6px}
.page{max-width:1320px;margin:0 auto;padding:28px 28px 64px}.eyebrow{font-size:11px;font-weight:900;letter-spacing:1.5px;color:var(--blue);text-transform:uppercase}.page-title{font-size:34px;letter-spacing:-1px;margin:8px 0 8px}.lead{color:var(--muted);line-height:1.8;margin:0}.section-title{display:flex;align-items:center;justify-content:space-between;margin:28px 0 14px}.section-title h2{margin:0;font-size:21px}.section-title p{margin:4px 0 0;color:var(--muted);font-size:12px}
/* Welcome */
.welcome{min-height:calc(100vh - 72px);position:relative;overflow:hidden;background:radial-gradient(circle at 78% 18%,rgba(80,144,255,.22),transparent 34%),radial-gradient(circle at 24% 86%,rgba(52,121,255,.08),transparent 26%),linear-gradient(180deg,#fbfdff,#f3f7ff)}
.welcome:before{content:"";position:absolute;width:620px;height:620px;border-radius:50%;right:-180px;top:-240px;border:120px solid rgba(255,255,255,.34)}
.welcome-inner{max-width:1420px;margin:0 auto;padding:42px 48px 28px;display:grid;grid-template-columns:1.05fr .95fr;align-items:center;min-height:calc(100vh - 72px)}
.hero-copy{position:relative;z-index:3}.speaker{display:inline-flex;align-items:center;gap:9px;padding:7px 12px;background:#fff;border:1px solid #dce7fb;border-radius:999px;color:#315caa;font-size:12px;font-weight:850;box-shadow:0 8px 20px rgba(44,80,141,.06)}.speaker b{width:26px;height:26px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,#4a9cff,#315fff);color:#fff;font-size:10px}
.hero-copy h1{font-size:72px;line-height:1.05;letter-spacing:-3px;margin:24px 0 18px}.hero-copy h1 span{display:block;color:var(--blue)}.hero-copy p{font-size:18px;line-height:1.85;color:#53637f;max-width:650px;margin:0}.hero-actions{display:flex;gap:14px;margin:30px 0 34px}.btn{height:50px;border-radius:14px;border:1px solid var(--line);padding:0 22px;font-weight:850;background:#fff;color:#365172}.btn.primary{background:linear-gradient(135deg,#2f82ff,#275dff);border-color:transparent;color:#fff;box-shadow:0 13px 28px rgba(41,109,255,.22)}.btn.dark{background:#11213f;color:#fff;border-color:#11213f}.btn.success{background:var(--green);color:#fff;border-color:var(--green)}.btn.small{height:38px;padding:0 14px;border-radius:10px;font-size:12px}
.hero-facts{display:flex;gap:20px}.fact{min-width:155px;display:flex;align-items:center;gap:10px}.fact-icon{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:#eaf2ff;color:var(--blue);font-weight:900}.fact:nth-child(2) .fact-icon{background:#eaf9f3;color:var(--green)}.fact:nth-child(3) .fact-icon{background:#fff3e6;color:var(--orange)}.fact strong{font-size:18px}.fact small{display:block;color:#8a95aa;font-size:11px;margin-top:3px}
.hero-visual{position:relative;height:650px;display:flex;align-items:flex-end;justify-content:center}.hero-visual:before{content:"";position:absolute;width:520px;height:520px;border-radius:50%;background:linear-gradient(180deg,#eaf3ff,#fff);right:30px;bottom:26px;box-shadow:0 20px 80px rgba(39,89,175,.08)}.hero-visual img{position:relative;z-index:2;height:610px;max-width:90%;object-fit:contain;filter:drop-shadow(0 24px 35px rgba(38,67,120,.14))}.float{position:absolute;z-index:4;border-radius:20px;box-shadow:var(--shadow);display:grid;place-items:center;color:#fff}.float.play{width:70px;height:70px;background:linear-gradient(135deg,#73a5ff,#386cff);right:76px;top:95px;font-size:24px}.float.trend{width:62px;height:62px;background:linear-gradient(135deg,#8de2d0,#51c9b2);right:8px;top:174px;font-size:26px}.hero-note{position:absolute;z-index:4;right:5px;bottom:40px;background:rgba(255,255,255,.88);border:1px solid rgba(255,255,255,.8);backdrop-filter:blur(12px);padding:13px 16px;border-radius:16px;box-shadow:var(--shadow);font-size:11px;color:#52627b}.hero-note b{display:block;color:#17315f;font-size:13px;margin-bottom:3px}
/* Covers & course */
.cover-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.cover-card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:0 8px 24px rgba(35,63,110,.05);cursor:pointer;transition:.2s}.cover-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.cover-card img{width:100%;height:220px;object-fit:cover;object-position:center 18%;display:block}.cover-card .cap{padding:12px 14px}.cover-card strong{font-size:13px}.cover-card small{display:block;color:var(--muted);margin-top:4px;font-size:11px}
.course-layout{display:grid;grid-template-columns:250px 1fr;gap:18px;margin-top:24px}.module-nav{background:#fff;border:1px solid var(--line);border-radius:18px;padding:12px;height:max-content;position:sticky;top:92px}.module-nav button{width:100%;text-align:left;border:0;background:transparent;padding:11px 12px;border-radius:10px;font-size:12px;color:#63708a}.module-nav button.active,.module-nav button:hover{background:#edf4ff;color:var(--blue);font-weight:850}.lesson-list{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden}.lesson{display:grid;grid-template-columns:52px 1fr auto;align-items:center;gap:12px;padding:14px 16px;border-bottom:1px solid #eef2f7}.lesson:last-child{border-bottom:0}.lesson-no{width:38px;height:38px;border-radius:11px;background:#f2f5fa;display:grid;place-items:center;color:#6f7d95;font-weight:900;font-size:12px}.lesson h3{font-size:14px;margin:0}.lesson p{font-size:11px;color:#8792a7;margin:4px 0 0}.lesson-actions{display:flex;align-items:center;gap:8px}.lock{font-size:10px;color:#9ca5b5;padding:5px 8px;background:#f4f5f7;border-radius:999px}.status{font-size:10px;padding:5px 8px;border-radius:999px;font-weight:800}.status.green{color:#158156;background:#e7f8f0}.status.gray{color:#8b95a7;background:#f1f3f6}.status.blue{color:#2563eb;background:#eaf1ff}
/* learning */
.learn{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:18px;max-width:1440px;margin:0 auto;padding:20px 24px 40px}.player-card{background:#0c1424;border-radius:20px;overflow:hidden;box-shadow:var(--shadow)}.player-card video{width:100%;aspect-ratio:16/9;background:#000;display:block}.video-placeholder{aspect-ratio:16/9;display:flex;align-items:center;justify-content:center;text-align:center;background:radial-gradient(circle at center,#24375d,#0c1424 65%);color:#fff;padding:30px}.video-placeholder h2{margin:0 0 8px}.learn-info{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;margin-top:14px}.learn-info h1{margin:0;font-size:24px}.learn-info p{color:var(--muted);line-height:1.7}.learn-resource{display:flex;align-items:center;justify-content:space-between;margin-top:16px;padding:14px;background:#f8faff;border:1px solid #e8eef9;border-radius:14px}.side-lessons{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;height:calc(100vh - 112px);position:sticky;top:92px}.side-lessons header{padding:16px;border-bottom:1px solid var(--line);font-weight:900}.side-list{overflow:auto;height:calc(100% - 54px)}.side-item{padding:12px 14px;border-bottom:1px solid #eef2f6;cursor:pointer}.side-item.active{background:#edf4ff}.side-item strong{display:block;font-size:12px}.side-item small{color:#929db1;font-size:10px}
/* offer / login / payment */
.auth-shell{min-height:100vh;display:grid;grid-template-columns:1fr 520px;background:linear-gradient(135deg,#eff5ff,#fdfefe)}.auth-art{position:relative;overflow:hidden;padding:60px;display:flex;flex-direction:column;justify-content:space-between;background:radial-gradient(circle at 70% 25%,rgba(71,131,255,.25),transparent 38%)}.auth-art h1{font-size:54px;line-height:1.1;margin:0;max-width:650px}.auth-art p{font-size:17px;line-height:1.8;color:#5c6f91;max-width:600px}.auth-art img{position:absolute;right:30px;bottom:0;height:72%;opacity:.95}.auth-card{background:#fff;display:flex;flex-direction:column;justify-content:center;padding:54px}.auth-card h2{font-size:28px;margin:0 0 8px}.auth-card>p{color:var(--muted);font-size:13px}.role-tabs,.pay-tabs{display:grid;grid-template-columns:1fr 1fr;gap:8px;background:#f2f5fa;padding:5px;border-radius:13px;margin:24px 0 18px}.role-tabs button,.pay-tabs button{border:0;background:transparent;border-radius:10px;padding:11px;font-weight:850;color:#78859c}.role-tabs button.active,.pay-tabs button.active{background:#fff;color:var(--blue);box-shadow:0 3px 12px rgba(37,64,110,.08)}.field{margin:13px 0}.field label{display:block;font-size:11px;font-weight:850;color:#56637b;margin-bottom:6px}.field input,.field select,.field textarea{width:100%;border:1px solid #dfe6f1;border-radius:11px;padding:12px 13px;outline:none;background:#fff;color:#20324f}.field input:focus,.field select:focus,.field textarea:focus{border-color:#7ba8ff;box-shadow:0 0 0 3px #edf4ff}.hint{font-size:11px;color:#8b96a9;background:#f7f9fc;border-radius:10px;padding:10px 12px;line-height:1.7}.auth-submit{width:100%;height:48px;background:var(--blue);border:0;border-radius:13px;color:#fff;font-weight:900;margin-top:16px}
.offer{max-width:1180px;margin:0 auto;padding:40px 28px 70px}.offer-hero{display:grid;grid-template-columns:1fr 380px;gap:20px}.offer-main,.offer-side{background:#fff;border:1px solid var(--line);border-radius:22px;padding:28px;box-shadow:0 12px 35px rgba(33,63,112,.05)}.offer-main h1{font-size:36px;margin:8px 0 12px}.benefits{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:22px}.benefit{background:#f7faff;border:1px solid #e7eefc;border-radius:14px;padding:15px}.benefit strong{font-size:13px}.benefit p{font-size:11px;color:var(--muted);margin:5px 0 0;line-height:1.6}.price{font-size:40px;font-weight:950;color:#153568}.price small{font-size:12px;color:#8d98aa}.price-note{font-size:12px;color:#7d899d;line-height:1.7}.buy{width:100%;height:50px;border:0;border-radius:14px;background:linear-gradient(135deg,#2e7dff,#2a5fff);color:#fff;font-weight:900;margin-top:18px}
.payment{max-width:1180px;margin:0 auto;padding:38px 28px 70px}.checkout{display:grid;grid-template-columns:1fr 370px;gap:18px;margin-top:22px}.pay-panel,.order-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px}.method-list{display:grid;gap:10px}.method{display:flex;align-items:center;justify-content:space-between;border:1px solid #e2e9f4;padding:14px;border-radius:14px;cursor:pointer}.method.active{border-color:#6d9cff;background:#f3f7ff;box-shadow:0 0 0 3px #edf3ff}.method-info{display:flex;align-items:center;gap:12px}.method-icon{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;font-weight:950;color:#fff;background:#244a9a}.method.wx{background:#16b86b}.method.ali{background:#1678ff}.method.apple{background:#111}.method.paypal{background:#1465d8}.method strong{font-size:13px}.method small{display:block;color:#8a95a8;font-size:10px;margin-top:4px}.order-line{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px dashed #e8edf4;font-size:12px;color:#66738b}.order-line.total{border-bottom:0;padding-top:16px;color:#17335f;font-weight:900;font-size:15px}.pay-submit{width:100%;height:48px;border:0;border-radius:13px;background:#111f3a;color:#fff;font-weight:900;margin-top:14px}.method-detail{margin-top:16px;padding:15px;background:#f8faff;border-radius:14px;border:1px solid #edf1f8;font-size:12px;color:#67758e;line-height:1.7}
/* resources */
.resource-tabs{display:flex;gap:8px;margin:20px 0}.resource-tabs button{border:1px solid var(--line);background:#fff;padding:9px 14px;border-radius:10px;color:#6c7890;font-weight:800}.resource-tabs button.active{background:var(--blue);border-color:var(--blue);color:#fff}.resource-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.resource-card{background:#fff;border:1px solid var(--line);border-radius:17px;padding:18px;display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.res-icon{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;background:#edf4ff;color:var(--blue);font-weight:900;flex:0 0 auto}.resource-card h3{margin:0;font-size:14px}.resource-card p{font-size:11px;color:#8490a5;line-height:1.65;margin:6px 0}.chips{display:flex;flex-wrap:wrap;gap:5px;margin-top:8px}.chip{font-size:9px;background:#f1f4f8;color:#68758b;padding:4px 7px;border-radius:999px}
/* admin */
.admin-shell{background:#f4f6fa;min-height:calc(100vh - 72px)}.admin{max-width:1420px;margin:0 auto;padding:26px 28px 60px}.admin-head{display:flex;justify-content:space-between;align-items:flex-end}.admin-head h1{font-size:30px;margin:6px 0}.admin-actions{display:flex;gap:8px}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:20px 0}.stat-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px}.stat-card small{font-size:10px;color:#8a96aa}.stat-card strong{display:block;font-size:28px;margin:8px 0}.stat-card em{font-style:normal;font-size:10px;color:var(--green)}.admin-panel{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;margin-top:14px}.panel-head{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid var(--line)}.panel-head h2{margin:0;font-size:16px}.panel-head span{font-size:10px;color:#8995a8}.table-wrap{overflow:auto}.admin-table{width:100%;border-collapse:collapse}.admin-table th,.admin-table td{text-align:left;padding:12px 14px;border-bottom:1px solid #eef1f5;font-size:11px}.admin-table th{color:#76839a;background:#fafbfc;font-size:10px}.admin-table td strong{font-size:12px}.admin-table td small{display:block;color:#8d98aa;margin-top:3px}.admin-mini{height:31px;border:1px solid #dfe6f0;background:#fff;border-radius:9px;padding:0 10px;font-size:10px;font-weight:800}.admin-mini.blue{background:#edf4ff;color:#2c67e9;border-color:#d8e5ff}.admin-mini.green{background:#e9f8f1;color:#19835a;border-color:#d2f0e2}.admin-layout{display:grid;grid-template-columns:1.5fr .8fr;gap:14px}.notice{background:#13213c;color:#fff;border-radius:18px;padding:20px}.notice p{color:#b9c5d9;font-size:11px;line-height:1.7}.progress{height:7px;background:#2a3955;border-radius:99px;overflow:hidden}.progress i{display:block;height:100%;width:0;background:#53d5a3}
/* modal */
.modal-backdrop{position:fixed;inset:0;background:rgba(9,18,36,.48);z-index:100;display:flex;align-items:center;justify-content:center;padding:20px;backdrop-filter:blur(3px)}.modal{width:min(720px,96vw);max-height:90vh;overflow:auto;background:#fff;border-radius:22px;box-shadow:0 30px 90px rgba(9,18,36,.28)}.modal-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line)}.modal-head h2{margin:0;font-size:18px}.modal-close{width:34px;height:34px;border-radius:10px;border:1px solid var(--line);background:#fff}.modal-body{padding:20px}.modal-foot{padding:16px 20px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:8px}.steps{display:flex;gap:8px;margin-bottom:18px}.step{flex:1;height:6px;background:#e8edf5;border-radius:99px}.step.on{background:var(--blue)}.qr{width:190px;height:190px;margin:16px auto;background:repeating-conic-gradient(#111 0 25%,#fff 0 50%) 0/24px 24px;border:12px solid #fff;box-shadow:0 0 0 1px #e5e9ef}.pay-sheet{text-align:center;padding:12px}.apple-pay{font-size:27px;font-weight:900;letter-spacing:-1px}.paypal-logo{font-size:28px;font-weight:950;color:#1671cf}.success-check{width:72px;height:72px;border-radius:50%;background:#e5f8ef;color:#1b9b67;display:grid;place-items:center;font-size:36px;margin:8px auto 14px}.upload-drop{border:2px dashed #cfdaea;border-radius:14px;padding:22px;text-align:center;color:#7d899d;background:#fafcff}.upload-drop input{margin-top:10px;max-width:100%}.upload-summary{background:#f7f9fc;border-radius:12px;padding:12px;font-size:11px;line-height:1.7;color:#68758c}
.toast{position:fixed;left:50%;bottom:26px;transform:translate(-50%,20px);background:#14213b;color:#fff;padding:11px 16px;border-radius:11px;font-size:12px;opacity:0;pointer-events:none;transition:.2s;z-index:200;box-shadow:0 12px 35px rgba(0,0,0,.2)}.toast.show{opacity:1;transform:translate(-50%,0)}
.footer{padding:25px;text-align:center;color:#9aa5b7;font-size:10px}
@media(max-width:1050px){.nav{display:none}.welcome-inner{grid-template-columns:1fr;padding:35px 24px}.hero-copy h1{font-size:54px}.hero-visual{height:520px}.hero-visual img{height:500px}.course-layout,.checkout,.offer-hero,.learn,.admin-layout{grid-template-columns:1fr}.module-nav,.side-lessons{position:static;height:auto}.cover-strip{grid-template-columns:repeat(2,1fr)}.stats{grid-template-columns:repeat(2,1fr)}.auth-shell{grid-template-columns:1fr}.auth-art{display:none}.auth-card{min-height:100vh}.resource-grid{grid-template-columns:1fr}}
@media(max-width:650px){.topbar{padding:0 14px}.brand small,.guest,.pill{display:none}.right .top-btn:not(.primary){display:none}.page{padding:22px 14px 50px}.cover-strip{grid-template-columns:1fr 1fr}.cover-card img{height:180px}.hero-copy h1{font-size:42px}.hero-copy p{font-size:15px}.hero-facts{flex-wrap:wrap}.hero-visual{height:430px}.hero-visual img{height:420px}.float{display:none}.benefits{grid-template-columns:1fr}.stats{grid-template-columns:1fr}.lesson{grid-template-columns:42px 1fr}.lesson-actions{grid-column:2}.resource-grid{grid-template-columns:1fr}.auth-card{padding:28px}.checkout{padding:0}.admin{padding:20px 12px}.admin-head{align-items:flex-start;gap:15px;flex-direction:column}}


/* Welcome homepage refinement */
.topbar{height:74px;padding:0 32px;background:rgba(255,255,255,.88);backdrop-filter:blur(18px);box-shadow:0 6px 24px rgba(35,70,140,.04)}
.right{gap:10px}.top-btn{height:38px;border-radius:12px;padding:0 14px}.top-btn.primary{box-shadow:0 12px 24px rgba(41,109,255,.18)}
.welcome{min-height:calc(100vh - 74px);position:relative;overflow:hidden;background:radial-gradient(circle at 84% 18%,rgba(88,154,255,.24),transparent 30%),radial-gradient(circle at 18% 82%,rgba(143,201,255,.16),transparent 30%),linear-gradient(180deg,#fbfdff 0%,#f3f7ff 58%,#f7faff 100%)}
.welcome:before{content:"";position:absolute;width:760px;height:760px;border-radius:50%;right:-260px;top:-300px;border:140px solid rgba(255,255,255,.34)}
.welcome:after{content:"";position:absolute;left:-140px;bottom:-180px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(110,171,255,.12),rgba(110,171,255,0) 68%)}
.welcome-inner{max-width:1440px;margin:0 auto;padding:48px 48px 20px;display:grid;grid-template-columns:1.02fr .98fr;align-items:center;gap:10px;min-height:auto}
.hero-copy{position:relative;z-index:3;padding-right:10px}.speaker{display:inline-flex;align-items:center;gap:9px;padding:8px 14px;background:rgba(255,255,255,.82);border:1px solid #dce7fb;border-radius:999px;color:#315caa;font-size:12px;font-weight:900;box-shadow:0 10px 26px rgba(44,80,141,.07)}.speaker b{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,#4a9cff,#315fff);color:#fff;font-size:10px}
.hero-kicker{margin-top:18px;font-size:13px;letter-spacing:.4px;color:#5b77aa;font-weight:800}
.hero-copy h1{font-size:76px;line-height:1.03;letter-spacing:-3.5px;margin:18px 0 18px;color:#0c1f47}.hero-copy h1 span{display:block;background:linear-gradient(180deg,#3383ff,#235dff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-copy p{font-size:18px;line-height:1.92;color:#53637f;max-width:710px;margin:0}
.hero-actions{display:flex;gap:14px;margin:30px 0 30px;flex-wrap:wrap}.btn{height:54px;border-radius:16px;border:1px solid #dbe5f4;padding:0 24px;font-weight:850;background:rgba(255,255,255,.82);color:#365172;box-shadow:0 12px 28px rgba(34,62,122,.04)}.btn.primary{background:linear-gradient(135deg,#2f82ff,#275dff);border-color:transparent;color:#fff;box-shadow:0 16px 34px rgba(41,109,255,.22)}.btn.dark{background:#11213f;color:#fff;border-color:#11213f}
.hero-facts.premium{display:grid;grid-template-columns:repeat(2,minmax(220px,1fr));gap:14px;max-width:880px}.fact.glass{min-width:0;padding:14px 16px;background:rgba(255,255,255,.58);border:1px solid rgba(220,231,251,.95);border-radius:18px;backdrop-filter:blur(10px);box-shadow:0 12px 28px rgba(53,87,153,.06)}.fact-icon{width:44px;height:44px;border-radius:14px;font-size:16px}.fact strong{font-size:17px;color:#152d59}.fact small{font-size:12px;color:#8190ab;line-height:1.45}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.hero-badges span{padding:8px 14px;border-radius:999px;background:rgba(255,255,255,.72);border:1px solid #dce7fb;color:#4e699a;font-size:12px;font-weight:800;box-shadow:0 8px 18px rgba(44,80,141,.04)}
.hero-visual{position:relative;height:680px;display:flex;align-items:flex-end;justify-content:center}.hero-visual:before{content:"";position:absolute;width:560px;height:560px;border-radius:50%;background:linear-gradient(180deg,#ebf3ff,#ffffff);right:30px;bottom:48px;box-shadow:0 30px 100px rgba(39,89,175,.10)}.hero-visual img{position:relative;z-index:2;height:630px;max-width:92%;object-fit:contain;filter:drop-shadow(0 32px 44px rgba(38,67,120,.16))}
.float{position:absolute;z-index:4;border-radius:22px;box-shadow:0 18px 40px rgba(45,86,177,.14);display:grid;place-items:center;color:#fff}.float.play{width:78px;height:78px;background:linear-gradient(135deg,#73a5ff,#386cff);right:94px;top:86px;font-size:26px}.float.trend{width:66px;height:66px;background:linear-gradient(135deg,#8de2d0,#51c9b2);right:18px;top:172px;font-size:27px}.float.mini{width:88px;height:88px;background:linear-gradient(135deg,#162e63,#214b9a);left:58px;top:142px;font-size:28px;line-height:1.05;text-align:center}.float.mini small{font-size:11px;letter-spacing:1.2px;opacity:.85}
.hero-note{position:absolute;z-index:4;right:0;bottom:84px;background:rgba(255,255,255,.86);border:1px solid rgba(255,255,255,.82);backdrop-filter:blur(14px);padding:14px 18px;border-radius:18px;box-shadow:0 14px 32px rgba(39,89,175,.10);font-size:11px;color:#52627b}.hero-note b{display:block;color:#17315f;font-size:13px;margin-bottom:4px}
.hero-sidecard{position:absolute;z-index:4;left:36px;bottom:46px;width:280px;padding:18px 18px 16px;border-radius:22px;background:rgba(255,255,255,.80);border:1px solid rgba(220,231,251,.95);backdrop-filter:blur(14px);box-shadow:0 18px 36px rgba(53,87,153,.09)}.sidecard-head{display:flex;justify-content:space-between;align-items:end;margin-bottom:12px}.sidecard-head span{font-size:13px;font-weight:900;color:#14366e}.sidecard-head b{font-size:10px;color:#90a0bc;letter-spacing:1.2px}.sidecard-list{display:grid;gap:10px}.sidecard-list div{padding:10px 12px;border-radius:14px;background:rgba(243,247,255,.92);border:1px solid #ebf0fa}.sidecard-list strong{display:block;font-size:13px;color:#142e60}.sidecard-list small{display:block;font-size:11px;color:#7d8dab;margin-top:4px}
.welcome-bottom{max-width:1440px;margin:0 auto;padding:0 48px 34px}.premium-panel{display:grid;grid-template-columns:1.15fr .95fr;gap:18px;padding:22px 24px;border-radius:26px;background:rgba(255,255,255,.72);border:1px solid rgba(220,231,251,.95);backdrop-filter:blur(14px);box-shadow:0 18px 48px rgba(32,72,145,.08)}.panel-tag{display:inline-flex;padding:6px 10px;border-radius:999px;background:#edf4ff;color:#2b61ff;font-size:11px;font-weight:900;letter-spacing:1px}.panel-copy h3{margin:14px 0 10px;font-size:30px;line-height:1.2;color:#10244c;letter-spacing:-1px}.panel-copy p{margin:0;color:#60708b;line-height:1.85;font-size:14px;max-width:700px}.panel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;align-items:stretch}.panel-item{padding:16px;border-radius:18px;background:linear-gradient(180deg,#ffffff,#f6f9ff);border:1px solid #e6edf8;box-shadow:0 8px 18px rgba(53,87,153,.04)}.panel-item strong{display:block;font-size:15px;color:#16305e}.panel-item small{display:block;margin-top:8px;color:#8090aa;line-height:1.65;font-size:12px}
@media (max-width: 1320px){.hero-copy h1{font-size:64px}.hero-visual{height:620px}.hero-visual img{height:580px}.panel-grid{grid-template-columns:1fr}.premium-panel{grid-template-columns:1fr}.hero-sidecard{width:250px;left:20px}.hero-facts.premium{grid-template-columns:repeat(2,minmax(200px,1fr))}}
@media (max-width: 1080px){.welcome-inner{grid-template-columns:1fr;padding:32px 22px 10px}.welcome-bottom{padding:0 22px 28px}.hero-copy h1{font-size:48px;letter-spacing:-2px}.hero-copy p{font-size:16px}.hero-facts.premium{grid-template-columns:1fr}.hero-visual{height:520px;margin-top:10px}.hero-visual img{height:470px}.float.mini{left:10px;top:130px}.hero-sidecard{display:none}.hero-note{bottom:24px}}


/* ==== 2026-09 update ==== */
.welcome-inner.simple{grid-template-columns:1.04fr .96fr;min-height:calc(100vh - 110px);padding:56px 48px 44px;align-items:center}.hero-copy.compact{padding-right:16px}.hero-copy.compact h1{font-size:78px;line-height:1.04;margin:22px 0 18px}.hero-copy.compact p{max-width:720px;font-size:18px;line-height:1.95}.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px}.hero-points span{padding:10px 14px;border-radius:999px;background:rgba(255,255,255,.72);border:1px solid #dde7f8;color:#55709f;font-size:12px;font-weight:800;box-shadow:0 8px 20px rgba(36,66,127,.04)}.hero-visual.clean{height:640px}.hero-visual.clean:before{right:50px;bottom:30px}.hero-visual.clean img{height:620px}.hero-visual.clean .hero-note{right:24px;bottom:86px}.hero-visual.clean .float.play{right:112px;top:92px}.hero-visual.clean .float.mini{left:52px;top:148px}.welcome-bottom,.hero-facts.premium,.hero-sidecard,.float.trend{display:none !important}
.review-box{align-items:flex-start;background:#fbfcff;border:1px solid #e6ecf7;border-radius:16px;padding:18px}.review-card p{line-height:1.8;color:#5b6780}.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.7;color:#5f6b83;max-width:560px}
.more-layout{display:grid;grid-template-columns:420px 1fr;gap:18px;align-items:stretch;margin-top:22px}.more-illustration{background:linear-gradient(180deg,#f6faff,#ffffff);border:1px solid var(--line);border-radius:24px;padding:20px;display:flex;align-items:center;justify-content:center;overflow:hidden;box-shadow:0 12px 32px rgba(39,72,136,.05)}.more-illustration img{width:100%;height:100%;max-height:620px;object-fit:contain}.more-cards{display:grid;gap:16px}
.auth-shell{min-height:100vh;display:grid;grid-template-columns:minmax(0,1.05fr) 520px;background:linear-gradient(135deg,#eff5ff,#fdfefe)}.auth-art{display:grid;grid-template-columns:1.1fr .9fr;align-items:center;gap:18px;padding:52px 44px 52px 58px}.auth-copy{position:relative;z-index:2}.auth-copy h1{font-size:50px;line-height:1.12;margin:24px 0 12px;max-width:640px}.auth-copy p{font-size:17px;line-height:1.85;color:#5c6f91;max-width:590px}.auth-highlights{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.auth-highlights span{padding:9px 13px;border-radius:999px;background:rgba(255,255,255,.72);border:1px solid #dce7fb;color:#5070a4;font-size:12px;font-weight:800}.auth-visual{display:flex;align-items:flex-end;justify-content:center;height:100%}.auth-visual img{position:static;max-width:100%;height:560px;object-fit:contain;opacity:.98;filter:drop-shadow(0 18px 28px rgba(40,76,143,.15))}.auth-card-wrap{display:flex;align-items:center;justify-content:center;padding:32px;background:rgba(255,255,255,.35)}.auth-card{width:100%;max-width:420px;border:1px solid #e5ebf5;border-radius:24px;box-shadow:0 18px 48px rgba(35,63,110,.08)}
.action-inline{display:flex;gap:8px;flex-wrap:wrap}.stats-5{grid-template-columns:repeat(5,1fr)}
@media (max-width:1200px){.more-layout{grid-template-columns:1fr}.auth-shell{grid-template-columns:1fr}.auth-art{grid-template-columns:1fr;padding:34px 24px 10px}.auth-visual img{height:420px}.auth-card-wrap{padding:24px}.hero-copy.compact h1{font-size:60px}.hero-visual.clean{height:540px}.hero-visual.clean img{height:500px}}
@media (max-width:900px){.welcome-inner.simple{grid-template-columns:1fr;padding:30px 22px}.hero-copy.compact h1{font-size:46px;letter-spacing:-2px}.hero-visual.clean{height:460px}.hero-visual.clean img{height:420px}.hero-badges{margin-bottom:14px}.more-illustration img{max-height:420px}.stats-5{grid-template-columns:repeat(2,1fr)}}


/* ==== 2026-09 premium visual upgrade ==== */
:root{
  --bg:#f2f6ff;
  --surface:#ffffff;
  --line:#dfe7f4;
  --ink:#0a1f45;
  --text:#324566;
  --muted:#72809a;
  --blue:#2a67ff;
  --blue2:#7eb0ff;
  --shadow:0 20px 60px rgba(39,70,138,.10);
}
html,body{
  background:
    radial-gradient(circle at 12% 12%, rgba(123,169,255,.14), transparent 24%),
    radial-gradient(circle at 90% 10%, rgba(104,216,197,.10), transparent 20%),
    linear-gradient(180deg,#f8fbff 0%,#f2f6ff 48%,#eef3fd 100%);
  color:var(--text);
}
button,a,.cover-card,.lesson,.resource-card,.method,.admin-mini,.top-btn,.module-nav button,.side-item,.stat-card,.admin-panel,.offer-main,.offer-side,.pay-panel,.summary-panel,.notice,.hero-points span,.hero-badges span{transition:all .22s ease}
.topbar{
  height:78px;
  background:rgba(255,255,255,.78);
  border-bottom:1px solid rgba(223,231,244,.9);
  box-shadow:0 8px 30px rgba(32,64,126,.06);
  backdrop-filter:blur(18px);
}
.brand{gap:13px}.brand-mark{width:40px;height:40px;border-radius:14px;box-shadow:0 12px 28px rgba(46,96,255,.26)}
.brand strong{letter-spacing:.2px}
.nav{gap:8px}.nav button{padding:11px 16px;border-radius:12px;font-weight:800}.nav button:hover{background:rgba(239,245,255,.92);color:#21498f}.nav button.active{background:rgba(235,243,255,.88);color:#215eff;box-shadow:inset 0 0 0 1px #dce7ff}.nav button.active:after{left:18px;right:18px;bottom:4px;height:3px;background:linear-gradient(90deg,#2d72ff,#65a5ff)}
.pill{background:rgba(255,255,255,.84);box-shadow:0 8px 18px rgba(31,61,120,.05)}
.top-btn{height:40px;border-radius:12px;padding:0 14px;background:rgba(255,255,255,.88);box-shadow:0 10px 22px rgba(31,61,120,.04)}
.top-btn.primary{background:linear-gradient(135deg,#2e7cff,#2358ff);box-shadow:0 14px 32px rgba(42,103,255,.24)}
.top-btn.admin-lite{background:rgba(255,255,255,.7);border-color:#d9e4f4;color:#566988;box-shadow:none}
.page{padding-top:34px;padding-bottom:72px}.page-title{font-size:38px;letter-spacing:-1.4px;color:#102850}.lead{font-size:15px;max-width:920px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;background:#edf4ff;border:1px solid #dfe9ff;font-size:11px;box-shadow:0 8px 20px rgba(42,103,255,.06)}
.welcome:before{border-color:rgba(255,255,255,.28)}
.welcome-inner.simple{padding-top:62px;padding-bottom:48px}
.hero-copy.compact h1{font-size:82px;letter-spacing:-3.8px}.hero-copy.compact p{font-size:18px;line-height:1.98;color:#556680}
.hero-actions .btn{min-width:162px}.hero-points{margin-top:10px;gap:12px}.hero-points span,.hero-badges span{background:rgba(255,255,255,.78);backdrop-filter:blur(10px)}
.hero-visual.clean{height:660px}.hero-visual.clean:before{width:590px;height:590px;background:linear-gradient(180deg,#edf4ff,#ffffff);box-shadow:0 30px 90px rgba(45,88,175,.12)}
.hero-visual.clean img{filter:drop-shadow(0 38px 54px rgba(38,67,120,.18))}
.hero-note{min-width:220px}.float.play,.float.mini{box-shadow:0 18px 42px rgba(45,86,177,.18)}
.cover-strip{gap:18px;margin-top:8px}.cover-card{border-radius:22px;box-shadow:0 14px 34px rgba(35,63,110,.08);background:linear-gradient(180deg,#fff,#fbfdff)}.cover-card:hover{transform:translateY(-6px);box-shadow:0 22px 48px rgba(35,63,110,.12)}.cover-card img{height:236px}.cover-card .cap{padding:16px}.cover-card strong{font-size:14px;color:#122a58}.cover-card small{font-size:12px;line-height:1.6}
.course-layout{gap:22px}.module-nav{padding:14px;background:rgba(255,255,255,.78);backdrop-filter:blur(10px);box-shadow:0 16px 38px rgba(36,66,127,.06)}.module-nav button{padding:14px 14px;border-radius:14px;font-size:13px}.module-nav button small{display:block;margin-top:4px;opacity:.8}.module-nav button.active,.module-nav button:hover{background:linear-gradient(135deg,#edf4ff,#f8fbff);box-shadow:inset 0 0 0 1px #dce7ff,0 8px 18px rgba(42,103,255,.05)}
.lesson-list{border-radius:22px;overflow:hidden;box-shadow:0 18px 42px rgba(35,63,110,.07)}.lesson{padding:16px 18px;background:rgba(255,255,255,.94)}.lesson:hover{background:linear-gradient(180deg,#ffffff,#f7faff)}.lesson-no{width:42px;height:42px;border-radius:13px;background:linear-gradient(180deg,#f6f8fc,#edf2fb);box-shadow:inset 0 1px 0 rgba(255,255,255,.8)}.lesson h3{font-size:15px;color:#0f2750}.lesson p{font-size:12px}.lesson-actions{gap:10px;flex-wrap:wrap}.lock,.status{padding:6px 10px;font-size:10px;border:1px solid transparent}.status.green{border-color:#d4f0e1}.status.gray{border-color:#e7ebf1}.status.blue{border-color:#d7e4ff}
.learn{gap:22px;padding-top:28px;padding-bottom:56px}.player-card{border-radius:24px;box-shadow:0 26px 58px rgba(16,30,61,.20)}.learn-info{border-radius:22px;padding:24px;box-shadow:0 14px 36px rgba(35,63,110,.07)}.learn-info h1{font-size:28px;color:#102850}.learn-resource{border-radius:18px;background:linear-gradient(180deg,#fbfdff,#f5f9ff)}.side-lessons{border-radius:22px;box-shadow:0 16px 38px rgba(35,63,110,.07)}.side-lessons header{padding:18px 18px;font-size:15px;color:#102850;background:linear-gradient(180deg,#ffffff,#f8fbff)}.side-item{padding:14px 16px}.side-item:hover{background:#f8fbff}.side-item.active{background:linear-gradient(135deg,#eef4ff,#f8fbff)}.side-item strong{font-size:13px}
.offer,.payment{padding-top:38px;padding-bottom:76px}.offer-hero,.checkout{gap:22px}.offer-main,.offer-side,.pay-panel,.summary-panel{border-radius:24px;box-shadow:0 16px 42px rgba(35,63,110,.08)}.offer-main h1{font-size:40px;color:#112953;letter-spacing:-1px}.benefits{gap:14px}.benefit{padding:18px;border-radius:18px;background:linear-gradient(180deg,#fbfdff,#f5f8ff)}.benefit strong{font-size:14px;color:#14305f}.benefit p{font-size:12px;line-height:1.8}.price{font-size:44px}.buy{height:54px;border-radius:16px;box-shadow:0 16px 34px rgba(42,103,255,.22)}
.pay-tabs button,.role-tabs button{padding:12px;border-radius:12px}.method-list{gap:12px}.method{padding:16px;border-radius:18px;background:linear-gradient(180deg,#ffffff,#fbfdff);box-shadow:0 6px 16px rgba(42,103,255,.03)}.method:hover{transform:translateY(-2px)}.method.active{box-shadow:0 0 0 3px #edf3ff,0 14px 26px rgba(42,103,255,.08)}.method-icon{width:46px;height:46px;border-radius:14px}.order-line{padding:12px 0;font-size:13px}.summary-panel{background:linear-gradient(180deg,#ffffff,#fbfdff)}
.resource-grid{gap:18px}.resource-card{border-radius:20px;padding:20px;box-shadow:0 12px 28px rgba(35,63,110,.05);background:linear-gradient(180deg,#ffffff,#fbfdff)}.resource-card:hover{transform:translateY(-3px);box-shadow:0 18px 38px rgba(35,63,110,.08)}.res-icon{width:50px;height:50px;border-radius:15px;background:linear-gradient(180deg,#edf4ff,#e8f0ff)}.resource-card h3{font-size:15px;color:#102850}.resource-card p{font-size:12px;line-height:1.75}.chip{font-size:10px;padding:5px 8px;background:#f3f6fb}
.more-layout{gap:22px}.more-illustration{border-radius:28px;box-shadow:0 18px 42px rgba(35,63,110,.08)}.more-cards{gap:18px}
.auth-card{background:rgba(255,255,255,.88);backdrop-filter:blur(12px);box-shadow:0 22px 50px rgba(35,63,110,.10)}.field label{font-size:12px}.field input,.field select,.field textarea{border-radius:13px;padding:13px 14px;background:#fcfdff}.auth-submit{height:52px;border-radius:14px;background:linear-gradient(135deg,#2e7cff,#2358ff);box-shadow:0 14px 30px rgba(42,103,255,.20)}
.admin-shell{background:linear-gradient(180deg,#f6f9ff,#f2f6ff);position:relative}.admin-shell:before{content:"";position:fixed;inset:auto auto -180px -120px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(117,87,255,.10),rgba(117,87,255,0) 70%);pointer-events:none}.admin{padding-top:34px;padding-bottom:76px}.admin-head{padding:24px 26px;border-radius:26px;background:rgba(255,255,255,.78);border:1px solid #e2e9f4;backdrop-filter:blur(14px);box-shadow:0 18px 44px rgba(35,63,110,.07)}.admin-head h1{font-size:34px;letter-spacing:-1px;color:#102850}.admin-actions{flex-wrap:wrap}
.stats{gap:16px;margin:22px 0}.stat-card{padding:20px 20px 18px;border-radius:20px;background:linear-gradient(180deg,#ffffff,#f8fbff);box-shadow:0 14px 32px rgba(35,63,110,.06);position:relative;overflow:hidden}.stat-card:before{content:"";position:absolute;inset:0 auto auto 0;width:100%;height:4px;background:linear-gradient(90deg,#2f79ff,#6fb0ff)}.stat-card strong{font-size:32px;color:#102850}.stat-card em{font-size:11px;color:#5a83ce}
.admin-panel{border-radius:22px;box-shadow:0 16px 40px rgba(35,63,110,.07)}.panel-head{padding:18px 20px;background:linear-gradient(180deg,#ffffff,#fbfdff)}.panel-head h2{font-size:17px;color:#102850}.panel-head span{font-size:11px}.admin-table th,.admin-table td{padding:14px 16px;font-size:12px}.admin-table th{font-size:11px;background:#f8fbff;color:#6f809e}.admin-table tbody tr:hover td{background:#fbfdff}.admin-mini{height:34px;border-radius:10px;padding:0 12px}.notice{border-radius:22px;background:linear-gradient(145deg,#14213d,#1b3367);box-shadow:0 18px 38px rgba(19,33,60,.24)}.notice h3{margin:0 0 10px;font-size:18px}.notice p{font-size:12px;line-height:1.85;color:#c2cee0}.progress{height:8px;margin-top:14px;background:rgba(255,255,255,.14)}.progress i{background:linear-gradient(90deg,#5fd5aa,#82e7c6)}
.modal{border-radius:26px;box-shadow:0 34px 90px rgba(9,18,36,.30)}.modal-head{padding:20px 22px;background:linear-gradient(180deg,#ffffff,#fbfdff)}.modal-head h2{font-size:20px;color:#102850}.modal-body{padding:22px}.modal-foot{padding:18px 22px}.modal-close{border-radius:12px}
.footer{padding:30px;color:#94a2b7;font-size:11px}
@media(max-width:1200px){.hero-copy.compact h1{font-size:66px}.page-title{font-size:34px}.admin-head{padding:20px}.offer-main h1{font-size:34px}}
@media(max-width:900px){.topbar{height:72px}.page-title{font-size:30px}.hero-copy.compact h1{font-size:50px}.hero-visual.clean{height:500px}.hero-visual.clean img{height:450px}.offer-main h1{font-size:30px}.admin-head h1{font-size:28px}.stats,.stats-5{grid-template-columns:1fr 1fr}.cover-card img{height:210px}}
@media(max-width:650px){.page{padding-top:24px}.hero-copy.compact h1{font-size:42px;letter-spacing:-2px}.hero-actions .btn{min-width:auto;width:100%}.stats,.stats-5{grid-template-columns:1fr}.admin-head{padding:18px}.cover-strip{grid-template-columns:1fr}.resource-card{padding:18px}}


/* ==== CE LIVE ACADEMY · Formal Commercial Edition ==== */
:root{
  --bg:#f4f6f9;
  --surface:#ffffff;
  --ink:#0b1931;
  --text:#2c3c58;
  --muted:#7a879b;
  --line:#e3e8ef;
  --blue:#1f57d6;
  --blue2:#5a82db;
  --blue-soft:#eef3fb;
  --green:#1e8b67;
  --orange:#bd7b38;
  --purple:#6658b5;
  --gold:#ad8a57;
  --gold-soft:#f6f1e8;
  --shadow:0 18px 46px rgba(16,31,59,.08);
  --radius:16px;
}
html,body{background:#f4f6f9;color:var(--text)}
body{letter-spacing:.01em}
.topbar{height:76px;padding:0 40px;background:rgba(255,255,255,.96);border-bottom:1px solid #e7ebf0;box-shadow:0 4px 20px rgba(19,33,58,.035);backdrop-filter:blur(16px)}
.brand{gap:12px;color:#0a1830}.brand-mark{width:34px;height:34px;border-radius:8px;background:linear-gradient(145deg,#0f2c64,#1f57d6);box-shadow:none;font-size:13px}.brand small{font-size:8px;letter-spacing:1.8px;color:#8994a7}
.nav{gap:4px}.nav button{padding:11px 15px;border-radius:6px;color:#69768b;font-size:13px;font-weight:750}.nav button:hover{background:#f5f7fa;color:#1a2d4c}.nav button.active{background:transparent;color:#0f2f68;box-shadow:none}.nav button.active:after{height:2px;left:16px;right:16px;bottom:1px;background:#1f57d6}
.pill{border-radius:8px;padding:5px 9px;background:#fbfcfd;border-color:#e1e7ee;box-shadow:none}.avatar{border-radius:6px;background:#edf2f8;color:#274f91}.top-btn{height:38px;border-radius:7px;background:#fff;box-shadow:none;font-weight:750}.top-btn.primary{background:#123f92;box-shadow:none}.top-btn.admin-lite{border:0;background:transparent;color:#7a8698;padding:0 8px}.top-btn.admin-lite:hover{background:transparent;color:#193969}
.eyebrow{padding:0;background:transparent;border:0;border-radius:0;box-shadow:none;letter-spacing:1.8px;color:#5470a3}.page-title{font-size:36px;font-weight:850;color:#0d1f3c}.lead{color:#6c788b}
.btn{height:48px;border-radius:8px;padding:0 20px;border-color:#dbe2ea;background:#fff;color:#263a5c;box-shadow:none;font-weight:780}.btn:hover{transform:translateY(-1px);border-color:#c8d2df}.btn.primary{background:#143f8c;border-color:#143f8c;box-shadow:none}.btn.primary:hover{background:#0f3375}.btn.dark{background:#0d1f3c;border-color:#0d1f3c}.btn.outline{background:rgba(255,255,255,.72);border:1px solid #bfcbe0;color:#173b75}.btn.text-btn{background:transparent;border:0;padding:0 6px;color:#5e6d84;min-width:auto}.btn.text-btn:hover{color:#143f8c;transform:none}
/* Home: editorial, restrained, commercial */
.commercial-home{min-height:calc(100vh - 76px);background:linear-gradient(90deg,#f6f7f9 0%,#f8fafc 48%,#eef2f7 100%);position:relative}
.commercial-home:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent 0 49.8%,rgba(18,63,146,.055) 50%,transparent 50.2%);pointer-events:none}
.commercial-home:after{content:"";position:absolute;right:0;top:0;width:42%;height:100%;background:radial-gradient(circle at 58% 35%,rgba(49,91,174,.13),transparent 40%);pointer-events:none}
.commercial-grid{max-width:1480px;min-height:calc(100vh - 76px);padding:54px 58px 42px;grid-template-columns:1.02fr .98fr;gap:28px}
.commercial-copy{padding-right:32px}.commercial-speaker{padding:0;background:transparent;border:0;border-radius:0;box-shadow:none;color:#587098;font-size:12px;letter-spacing:.7px}.commercial-speaker b{width:28px;height:28px;border-radius:6px;background:#102a57;font-size:9px}.commercial-copy .hero-kicker{margin-top:24px;font-size:12px;color:#8a7250;letter-spacing:1px;font-weight:800}.commercial-copy h1{font-size:72px!important;line-height:1.08!important;letter-spacing:-3px!important;margin:22px 0 22px!important;color:#0a1932}.commercial-copy h1 span{display:block;background:none!important;-webkit-background-clip:initial!important;background-clip:initial!important;color:#1a4eaa!important}.commercial-copy p{max-width:700px!important;font-size:17px!important;line-height:2!important;color:#57667d!important}.commercial-copy .hero-actions{margin:32px 0 40px;gap:12px}.commercial-copy .hero-actions .btn{min-width:166px}
.commercial-meta{display:flex;align-items:center;gap:28px;margin-top:2px;padding:18px 0;border-top:1px solid #dfe4ea;border-bottom:1px solid #dfe4ea;max-width:760px}.commercial-meta>div{display:flex;align-items:baseline;gap:10px}.commercial-meta strong{font-size:24px;color:#102d61;font-weight:820;letter-spacing:-.5px}.commercial-meta span{font-size:12px;color:#7d8999}.commercial-meta i{display:block;width:1px;height:28px;background:#d9dfe7}
.commercial-track{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-top:24px;color:#66768e;font-size:11px;font-weight:750}.commercial-track span{padding:0;background:none;border:0}.commercial-track b{font-weight:500;color:#a2adbc}
.commercial-visual{height:690px;position:relative;overflow:hidden;justify-content:flex-end}.commercial-visual:before{width:520px!important;height:520px!important;right:28px!important;bottom:44px!important;border-radius:50%!important;background:linear-gradient(180deg,#e8edf4,#f8fafc)!important;box-shadow:none!important;border:1px solid #e0e6ee}.commercial-visual:after{content:"MASTERCLASS";position:absolute;right:-4px;top:100px;font-size:74px;font-weight:900;letter-spacing:5px;color:rgba(14,40,82,.055);writing-mode:vertical-rl;z-index:0}.commercial-visual img{height:635px!important;max-width:88%!important;filter:drop-shadow(0 28px 34px rgba(24,47,86,.15))!important;z-index:2}.visual-index{position:absolute;left:46px;top:80px;z-index:3;display:flex;align-items:flex-end;gap:12px;color:#15356d}.visual-index span{font-size:10px;letter-spacing:2px;font-weight:850}.visual-index strong{font-size:44px;line-height:.85;font-weight:850}.commercial-note{right:18px!important;bottom:72px!important;min-width:250px;padding:16px 18px!important;border-radius:10px!important;background:rgba(255,255,255,.92)!important;border:1px solid #dfe5ec!important;box-shadow:0 16px 34px rgba(18,42,84,.09)!important}.commercial-note span{display:block;font-size:9px;letter-spacing:1.4px;color:#9b835e;margin-bottom:7px;font-weight:850}.commercial-note b{font-size:14px!important;color:#12376e!important;margin:0 0 6px!important}.commercial-note p{font-size:11px;color:#738095;line-height:1.65;margin:0}.commercial-home .hero-badges,.commercial-home .hero-points,.commercial-home .float{display:none!important}
/* Course overview */
.cover-strip{gap:20px}.cover-card{border-radius:12px;border-color:#e0e5eb;background:#fff;box-shadow:0 10px 28px rgba(16,31,59,.05)}.cover-card:hover{transform:translateY(-4px);box-shadow:0 18px 38px rgba(16,31,59,.08)}.cover-card img{height:230px}.cover-card .cap{padding:16px 16px 18px;border-top:1px solid #edf0f4}.cover-card strong{font-size:14px;color:#10294f}.cover-card small{font-size:11px;color:#7f8b9c}
.course-layout{gap:20px}.module-nav{border-radius:10px;padding:8px;background:#fff;box-shadow:0 10px 28px rgba(16,31,59,.04)}.module-nav button{border-radius:6px;padding:13px 12px;font-size:12px}.module-nav button.active,.module-nav button:hover{background:#f1f4f8;color:#173c77;box-shadow:none}.lesson-list{border-radius:10px;box-shadow:0 10px 28px rgba(16,31,59,.04)}.lesson{padding:16px 18px}.lesson:hover{background:#fafbfd}.lesson-no{border-radius:6px;background:#f0f3f7;color:#4c5f7b}.lesson h3{font-size:14px;color:#132b50}.lesson p{font-size:11px}.lock,.status{border-radius:5px}
/* Learning */
.player-card{border-radius:12px;box-shadow:0 20px 42px rgba(10,25,49,.18)}.learn-info{border-radius:10px;box-shadow:0 10px 26px rgba(16,31,59,.05)}.learn-info h1{font-size:26px;color:#10294f}.review-box{border-radius:8px!important;background:#f8fafc!important;border-color:#e1e7ee!important}.side-lessons{border-radius:10px;box-shadow:0 10px 28px rgba(16,31,59,.05)}.side-lessons header{font-size:14px;background:#f9fafc}.side-item.active{background:#edf2f8}.side-item strong{font-size:12px}
/* Checkout & auth */
.offer-main,.offer-side,.pay-panel,.summary-panel{border-radius:12px;box-shadow:0 12px 30px rgba(16,31,59,.05)}.offer-main h1{font-size:36px;color:#0d2348}.benefit{border-radius:8px;background:#f8fafc}.buy{border-radius:8px;background:#143f8c;box-shadow:none}.method{border-radius:9px;background:#fff}.method.active{background:#f3f6fb;border-color:#7c9ad1;box-shadow:0 0 0 2px rgba(31,87,214,.07)}.method-icon{border-radius:7px}
.auth-shell{background:#f3f5f8}.auth-art{background:linear-gradient(145deg,#edf1f6,#f7f9fb)}.auth-copy h1{color:#0e2449}.auth-highlights span{border-radius:5px;background:#f8fafc;color:#5f6f86}.auth-card-wrap{background:#f3f5f8}.auth-card{border-radius:12px;background:#fff;box-shadow:0 16px 38px rgba(16,31,59,.08)}.role-tabs,.pay-tabs{border-radius:8px;background:#eef1f5}.role-tabs button,.pay-tabs button{border-radius:5px}.field input,.field select,.field textarea{border-radius:7px}.auth-submit{border-radius:7px;background:#143f8c;box-shadow:none}
/* Resources / More */
.resource-card{border-radius:10px;box-shadow:0 10px 24px rgba(16,31,59,.04);background:#fff}.resource-card:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(16,31,59,.06)}.res-icon{border-radius:7px;background:#edf2f8;color:#1f4a8d}.chip{border-radius:4px;background:#f2f4f7}.more-illustration{border-radius:12px;box-shadow:0 12px 28px rgba(16,31,59,.05);background:#f7f9fb}
/* Admin: enterprise operations console */
.admin-shell{background:#f2f4f7}.admin{max-width:1480px}.admin-head{padding:22px 24px;border-radius:10px;background:#fff;box-shadow:0 10px 28px rgba(16,31,59,.045);border-color:#e0e5eb}.admin-head h1{font-size:30px;color:#0d2348}.stats{gap:12px}.stat-card{border-radius:9px;padding:18px;background:#fff;box-shadow:0 8px 22px rgba(16,31,59,.04)}.stat-card:before{height:2px;background:#1f57d6}.stat-card small{letter-spacing:1px}.stat-card strong{font-size:30px;color:#0f294f}.stat-card em{color:#6d7f99}.admin-panel{border-radius:10px;box-shadow:0 10px 26px rgba(16,31,59,.04)}.panel-head{background:#fafbfd;padding:16px 18px}.panel-head h2{font-size:15px}.admin-table th{background:#f5f7fa;color:#67758b;letter-spacing:.2px}.admin-table th,.admin-table td{padding:13px 14px}.admin-mini{border-radius:6px}.notice{border-radius:10px;background:#102443;box-shadow:none}.notice h3{font-size:16px}.progress{border-radius:2px}.progress i{background:#6ebf9f}
/* Modal */
.modal-backdrop{background:rgba(10,21,38,.46);backdrop-filter:blur(5px)}.modal{border-radius:12px;box-shadow:0 28px 70px rgba(8,20,42,.24)}.modal-head{background:#fafbfd}.modal-close{border-radius:6px}
.footer{padding:28px;color:#909aaa}
@media(max-width:1200px){.commercial-copy h1{font-size:60px!important}.commercial-grid{padding:42px 32px}.commercial-visual{height:590px}.commercial-visual img{height:540px!important}.commercial-meta{gap:18px}.commercial-track{line-height:1.8}}
@media(max-width:900px){.commercial-grid{grid-template-columns:1fr}.commercial-copy h1{font-size:48px!important}.commercial-visual{height:500px}.commercial-visual img{height:450px!important}.commercial-visual:after{display:none}.visual-index{left:18px}.commercial-meta{flex-wrap:wrap}.commercial-meta i{display:none}.commercial-track{display:none}}


/* ==== V6 Fresh Commercial Palette — keep formal layout, restore premium fresh blue ==== */
:root{
  --bg:#f4f8ff;
  --surface:#ffffff;
  --ink:#0b2148;
  --text:#314666;
  --muted:#73839d;
  --line:#dfe9f7;
  --blue:#296dff;
  --blue2:#68a4ff;
  --blue-soft:#edf4ff;
  --green:#31bd91;
  --orange:#ff9660;
  --purple:#7b78ff;
  --shadow:0 18px 48px rgba(43,91,180,.09);
}
html,body{
  background:
    radial-gradient(circle at 10% 5%,rgba(71,132,255,.10),transparent 24%),
    radial-gradient(circle at 92% 14%,rgba(77,206,176,.08),transparent 20%),
    linear-gradient(180deg,#f9fbff 0%,#f3f7ff 52%,#eff5ff 100%);
  color:var(--ink);
}
/* Header / navigation */
.topbar{background:rgba(255,255,255,.88);border-bottom-color:#e2ebf8;box-shadow:0 8px 28px rgba(46,96,180,.05)}
.brand-mark{background:linear-gradient(135deg,#48a4ff,#296dff);box-shadow:0 10px 25px rgba(41,109,255,.24)}
.brand small{color:#93a1b8}
.nav button{color:#647690}.nav button:hover{background:#f0f6ff;color:#2359bd}.nav button.active{background:#edf4ff;color:#296dff;box-shadow:inset 0 0 0 1px #dce8ff}.nav button.active:after{background:linear-gradient(90deg,#296dff,#71aaff)}
.pill{background:#fbfdff;border-color:#e0e9f7}.avatar{background:#eaf3ff;color:#296dff}.pro .avatar{background:#e8f8f2;color:#26a77e}
.top-btn{border-color:#dce7f5;color:#526884;background:#fff}.top-btn.primary{background:linear-gradient(135deg,#337fff,#296dff);border-color:transparent;box-shadow:0 10px 23px rgba(41,109,255,.19)}.top-btn.admin-lite{color:#72819a}.top-btn.admin-lite:hover{color:#296dff;background:#f2f7ff}
/* Universal controls */
.eyebrow{color:#4577c8;background:#edf4ff;border-color:#dbe8ff}
.page-title{color:#0c2855}.lead{color:#6d7e98}
.btn{border-color:#dce7f5;color:#365274;background:#fff}.btn:hover{border-color:#b9cff3;background:#fbfdff}.btn.primary{background:linear-gradient(135deg,#337fff,#296dff);border-color:transparent;box-shadow:0 12px 27px rgba(41,109,255,.19)}.btn.primary:hover{background:linear-gradient(135deg,#2b75f8,#215fe9)}.btn.dark{background:#163c76;border-color:#163c76}.btn.outline{background:rgba(255,255,255,.84);border-color:#a9c6f3;color:#245cb9}.btn.text-btn{color:#617793}.btn.text-btn:hover{color:#296dff}
.status.green{background:#e9f8f2;color:#218861;border-color:#d4f0e4}.status.blue{background:#eaf2ff;color:#296dff;border-color:#d9e6ff}.status.gray{background:#f1f4f8;color:#7d8a9e;border-color:#e7ecf3}
/* Formal homepage, now fresh */
.commercial-home{
  background:
    radial-gradient(circle at 82% 20%,rgba(77,143,255,.16),transparent 31%),
    radial-gradient(circle at 70% 84%,rgba(73,206,176,.07),transparent 25%),
    linear-gradient(90deg,#f9fbff 0%,#f8fbff 48%,#edf5ff 100%);
}
.commercial-home:before{background:linear-gradient(90deg,transparent 0 49.8%,rgba(41,109,255,.045) 50%,transparent 50.2%)}
.commercial-home:after{background:radial-gradient(circle at 58% 35%,rgba(77,143,255,.15),transparent 42%)}
.commercial-speaker{color:#4b76b8}.commercial-speaker b{background:linear-gradient(135deg,#4d9cff,#296dff)}
.commercial-copy .hero-kicker{color:#38a88b}
.commercial-copy h1{color:#0b2148}.commercial-copy h1 span{color:#296dff!important}
.commercial-copy p{color:#536987!important}
.commercial-meta{border-color:#d9e6f5}.commercial-meta strong{color:#245ab4}.commercial-meta span{color:#7486a0}.commercial-meta i{background:#d8e4f3}
.commercial-track{color:#607896}.commercial-track b{color:#9bacc1}
.commercial-visual:before{background:linear-gradient(180deg,#e8f2ff,#f9fcff)!important;border-color:#d9e8f9!important;box-shadow:0 24px 70px rgba(52,110,210,.08)!important}
.commercial-visual:after{color:rgba(41,109,255,.055)}
.visual-index{color:#296dff}
.commercial-note{background:rgba(255,255,255,.93)!important;border-color:#dbe8f6!important;box-shadow:0 16px 35px rgba(41,109,255,.09)!important}.commercial-note span{color:#37a88a}.commercial-note b{color:#2158b2!important}.commercial-note p{color:#6d7f99}
/* Course overview */
.cover-card{border-color:#e0e9f6;background:linear-gradient(180deg,#ffffff,#fbfdff);box-shadow:0 10px 28px rgba(43,91,180,.055)}.cover-card:hover{box-shadow:0 18px 40px rgba(43,91,180,.10)}.cover-card .cap{border-top-color:#edf2f8}.cover-card strong{color:#123262}.cover-card small{color:#7d8ca3}
.module-nav{background:rgba(255,255,255,.90);border-color:#e1e9f6;box-shadow:0 10px 28px rgba(43,91,180,.045)}.module-nav button{color:#647793}.module-nav button.active,.module-nav button:hover{background:#edf4ff;color:#296dff;box-shadow:inset 0 0 0 1px #dce8ff}
.lesson-list{border-color:#e1e9f6;box-shadow:0 10px 28px rgba(43,91,180,.045)}.lesson:hover{background:#f8fbff}.lesson-no{background:#eef4fc;color:#4f6f9b}.lesson h3{color:#143363}.lesson p{color:#8594a9}.lock{background:#f1f4f8;color:#8a96a8}
/* Learning */
.player-card{box-shadow:0 20px 44px rgba(16,44,93,.18)}.learn-info,.side-lessons{border-color:#e0e9f6;box-shadow:0 10px 28px rgba(43,91,180,.055)}.learn-info h1{color:#0d2e61}.review-box{background:linear-gradient(180deg,#fbfdff,#f4f8ff)!important;border-color:#dfe9f7!important}.side-lessons header{background:linear-gradient(180deg,#ffffff,#f7faff);color:#123262}.side-item.active{background:#edf4ff}.side-item:hover{background:#f7faff}
/* Checkout */
.offer-main,.offer-side,.pay-panel,.summary-panel{border-color:#e0e9f6;box-shadow:0 12px 32px rgba(43,91,180,.06)}.offer-main h1{color:#0d2d5e}.benefit{background:#f7faff;border-color:#e3ecf9}.benefit strong{color:#1c4a91}.benefit p{color:#74849d}.price{color:#1f5ec0}.buy{background:linear-gradient(135deg,#337fff,#296dff);box-shadow:0 12px 28px rgba(41,109,255,.18)}
.method{border-color:#e1eaf7;background:#fff}.method:hover{border-color:#bfd3f3;background:#fbfdff}.method.active{background:#f1f6ff;border-color:#7ca8ef;box-shadow:0 0 0 2px rgba(41,109,255,.06)}
.method.wx{background:#35bd83}.method.ali{background:#3186ff}.method.apple{background:#16243d}.method.paypal{background:#3676da}
/* Login */
.auth-shell{background:linear-gradient(135deg,#edf5ff,#f9fbff 60%,#f4f9ff)}.auth-art{background:radial-gradient(circle at 70% 25%,rgba(71,131,255,.18),transparent 38%),linear-gradient(145deg,#edf5ff,#f9fbff)}.auth-copy h1{color:#0c2b5c}.auth-copy p{color:#617593}.auth-highlights span{background:rgba(255,255,255,.82);border-color:#dbe8f7;color:#4f73a9}.auth-card-wrap{background:rgba(243,248,255,.76)}.auth-card{border-color:#dfe9f6;box-shadow:0 16px 40px rgba(43,91,180,.08)}.role-tabs,.pay-tabs{background:#eef4fc}.role-tabs button.active,.pay-tabs button.active{color:#296dff}.field input,.field select,.field textarea{border-color:#dbe6f5;background:#fcfdff}.field input:focus,.field select:focus,.field textarea:focus{border-color:#78a6ef;box-shadow:0 0 0 3px #edf4ff}.auth-submit{background:linear-gradient(135deg,#337fff,#296dff);box-shadow:0 12px 27px rgba(41,109,255,.18)}
/* Resources / more */
.resource-card{border-color:#e1eaf7;background:linear-gradient(180deg,#ffffff,#fbfdff);box-shadow:0 10px 26px rgba(43,91,180,.045)}.resource-card:hover{box-shadow:0 15px 34px rgba(43,91,180,.08)}.res-icon{background:#eaf3ff;color:#296dff}.chip{background:#f0f5fb;color:#687b97}.more-illustration{background:linear-gradient(180deg,#f3f8ff,#ffffff);border-color:#e0e9f6;box-shadow:0 12px 30px rgba(43,91,180,.055)}
/* Admin workspace */
.admin-shell{background:linear-gradient(180deg,#f5f9ff,#f0f5fd)}
.admin-head{background:rgba(255,255,255,.92);border-color:#e0e9f6;box-shadow:0 10px 28px rgba(43,91,180,.05)}.admin-head h1{color:#0d2d5e}
.stat-card{border-color:#e1e9f6;background:linear-gradient(180deg,#ffffff,#f9fbff);box-shadow:0 9px 23px rgba(43,91,180,.045)}.stat-card:before{background:linear-gradient(90deg,#296dff,#69a8ff)}.stat-card strong{color:#1552ad}.stat-card em{color:#6e83a2}
.stats .stat-card:nth-child(2):before{background:linear-gradient(90deg,#31bd91,#72d5b8)}
.stats .stat-card:nth-child(3):before{background:linear-gradient(90deg,#ff9660,#ffbd91)}
.stats .stat-card:nth-child(4):before{background:linear-gradient(90deg,#7b78ff,#aaa5ff)}
.stats .stat-card:nth-child(5):before{background:linear-gradient(90deg,#4aa7ff,#7bd2e6)}
.admin-panel{border-color:#e0e9f6;box-shadow:0 10px 28px rgba(43,91,180,.045)}.panel-head{background:#f8fbff}.panel-head h2{color:#123262}.admin-table th{background:#f4f8fd;color:#667b9a}.admin-table tbody tr:hover td{background:#f9fbff}.admin-mini.blue{background:#edf4ff;color:#296dff;border-color:#d9e6ff}.admin-mini.green{background:#eaf8f2;color:#258b69;border-color:#d7f0e5}
.notice{background:linear-gradient(145deg,#174a91,#2266b8);box-shadow:0 14px 32px rgba(31,87,169,.16)}.notice p{color:#d4e2f6}.progress{background:rgba(255,255,255,.17)}.progress i{background:linear-gradient(90deg,#69ddb9,#9aead3)}
/* Modal */
.modal-backdrop{background:rgba(12,31,64,.42)}.modal{border:1px solid rgba(218,231,248,.9);box-shadow:0 28px 72px rgba(25,58,116,.20)}.modal-head{background:#f9fbff;border-bottom-color:#e4ecf7}.modal-head h2{color:#10305f}.modal-foot{border-top-color:#e4ecf7}