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:root{--navy-950:#060e22;--navy-900:#0b1f44;--navy-800:#122c5e;--blue:#1450d9;--blue-deep:#0e3cae;--blue-soft:#e8efff;--cyan:#4fd5f5;--ink:#0f1a33;--muted:#566480;--line:#e2e7f0;--surface:#fff;--tint:#f5f7fb;--amber:#ffc24d;--red:#b3261e;--green:#0f7a4c;--radius:14px;--radius-small:10px;--shadow:0 1px 2px #0b1f440d, 0 8px 24px #0b1f440f;--shadow-up:0 2px 4px #0b1f440f, 0 18px 40px #0b1f4421}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{background:var(--surface);color:var(--ink);font-family:var(--font-sans), system-ui, sans-serif;flex-direction:column;min-height:100vh;margin:0;font-size:16px;line-height:1.7;display:flex}main{flex:1}a{color:inherit}img{max-width:100%;display:block}h1,h2,h3{font-family:var(--font-display), var(--font-sans), sans-serif;letter-spacing:-.005em;margin:0;font-weight:700;line-height:1.35}h2{font-size:clamp(1.45rem,2.4vw,1.9rem)}h3{font-size:1.1rem;font-weight:600}p{margin:0}small{font-size:.85rem}.icon{flex-shrink:0}.skip-link{z-index:50;background:var(--navy-900);color:#fff;border-radius:8px;padding:8px 14px;font-weight:600;position:absolute;top:-60px;left:12px}.skip-link:focus{top:8px}:focus-visible{outline:3px solid var(--cyan);outline-offset:2px;border-radius:4px}.wrap{width:min(1440px,100% - 64px);margin-inline:auto}.narrow{width:min(460px,100% - 40px);margin-inline:auto}.page{padding:40px 0 80px}.page-title{margin-bottom:6px;font-size:clamp(1.7rem,3.2vw,2.35rem)}.stack{gap:18px;display:grid}.muted{color:var(--muted)}.lead{color:var(--muted);font-size:1.05rem}.prose{white-space:pre-line}.site-header{z-index:30;-webkit-backdrop-filter:saturate(180%)blur(12px);border-bottom:1px solid var(--line);background:#ffffffeb;position:sticky;top:0}.header-row{flex-wrap:wrap;align-items:center;gap:36px;padding:6px 32px;display:flex}.brand{flex-shrink:0;align-items:center;display:inline-flex}.main-nav{flex-wrap:wrap;gap:6px;display:flex}.main-nav a,.header-link{color:var(--ink);border-radius:999px;padding:8px 14px;font-size:.97rem;font-weight:500;text-decoration:none;transition:background .15s,color .15s}.header-actions{align-items:center;gap:10px;margin-left:auto;display:flex}.cart-link{border-radius:999px;align-items:center;gap:7px;padding:8px 12px;font-size:.97rem;font-weight:500;text-decoration:none;transition:background .15s;display:inline-flex;position:relative}.cart-count{background:var(--blue);color:#fff;text-align:center;border-radius:99px;min-width:21px;padding:0 6px;font-size:.76rem;font-weight:700;line-height:21px}.account-chip{border:1px solid var(--line);background:#fff;border-radius:999px;align-items:center;gap:7px;padding:7px 14px;font-size:.95rem;font-weight:500;text-decoration:none;transition:border-color .15s,color .15s;display:inline-flex}.link-button{cursor:pointer;font:inherit;color:var(--blue);background:0 0;border:0;padding:0}.btn{min-height:44px;font:inherit;cursor:pointer;border:1.5px solid #0000;border-radius:10px;justify-content:center;align-items:center;gap:8px;padding:8px 20px;font-weight:600;text-decoration:none;transition:background .15s,color .15s,border-color .15s,transform .15s,box-shadow .15s;display:inline-flex}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-small{min-height:38px;padding:4px 14px;font-size:.92rem}.btn-large{min-height:52px;padding:10px 26px;font-size:1.04rem}.btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 20px #1450d947}.btn-success{background:var(--green);color:#fff}.btn-ghost{border-color:var(--line);color:var(--ink);background:#fff}.btn-danger{border-color:var(--red);color:var(--red);background:#fff}.btn-light{color:var(--navy-900);background:#fff}.btn-outline-light{color:#fff;border-color:#fff6}.text-link{color:var(--blue);align-items:center;gap:6px;font-weight:600;text-decoration:none;display:inline-flex}.copy-btn{border:1px solid var(--line);min-height:32px;color:var(--blue);font:inherit;cursor:pointer;vertical-align:middle;background:#fff;border-radius:8px;align-items:center;gap:5px;margin-left:10px;padding:2px 10px;font-size:.82rem;font-weight:600;display:inline-flex}@media (hover:hover){.main-nav a:hover,.header-link:hover,.cart-link:hover{background:var(--tint);color:var(--blue)}.account-chip:hover{border-color:var(--blue);color:var(--blue)}.btn-primary:hover:not(:disabled){background:var(--blue-deep);transform:translateY(-1px)}.btn-success:hover:not(:disabled){background:#0b6440}.btn-ghost:hover{border-color:var(--blue);color:var(--blue)}.btn-danger:hover{background:var(--red);color:#fff}.btn-light:hover{background:var(--cyan)}.btn-outline-light:hover{background:#ffffff1a;border-color:#fff}.text-link:hover{text-decoration:underline}.card:hover{box-shadow:var(--shadow-up);border-color:#c6d4f3;transform:translateY(-3px)}.card:hover .card-go{background:var(--blue);color:#fff}.feature:hover{box-shadow:var(--shadow-up);border-color:#c6d4f3}.video-card:hover .video-play{background:#e0201b}}.hero{color:#fff;background:radial-gradient(760px 480px at 78% 34%, #2676ff6b, transparent 68%), radial-gradient(520px 340px at 62% 92%, #4fd5f533, transparent 70%), linear-gradient(160deg, var(--navy-950), var(--navy-900) 70%);position:relative;overflow:hidden}.hero-row{grid-template-columns:minmax(0,1.02fr) minmax(0,1fr);align-items:center;gap:48px;padding-block:clamp(52px,7vw,92px);display:grid}.hero h1{margin-bottom:18px;font-size:clamp(2.3rem,4.8vw,4.1rem);line-height:1.22}.hero-lead{color:#c9d6f0;max-width:36em;margin-bottom:30px;font-size:1.13rem}.hero-actions{flex-wrap:wrap;gap:12px;display:flex}.hero-points{color:#b6c6e6;flex-wrap:wrap;gap:8px 22px;margin:30px 0 0;padding:0;font-size:.92rem;list-style:none;display:flex}.hero-points li{align-items:center;gap:7px;display:inline-flex}.hero-points .icon{color:var(--cyan)}.hero-visual{min-width:0;position:relative}.hero-visual .viewer3d{aspect-ratio:1/.82;background:0 0;border:0}.hero-visual .viewer3d-hint{color:#9db0d3}.hero-product-img{width:100%}.hero-tag{color:var(--ink);background:#fffffff5;border-radius:14px;align-items:center;gap:14px;padding:10px 16px;text-decoration:none;display:inline-flex;position:absolute;bottom:44px;right:8px;box-shadow:0 16px 40px #00000052}.hero-tag span{line-height:1.35;display:grid}.hero-tag small{color:var(--blue);font-size:1rem;font-weight:700}.hero-visual-empty{place-items:center;min-height:280px;display:grid}.eyebrow{font-family:var(--font-mono), monospace;letter-spacing:.1em;text-transform:uppercase;color:var(--blue);margin-bottom:8px;font-size:.78rem;font-weight:500}.eyebrow-light{color:var(--cyan)}.section{padding:72px 0}.section-tint{background:var(--tint)}.section-head{flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:30px;display:flex}.empty{border:1.5px dashed var(--line);border-radius:var(--radius);text-align:center;color:var(--muted);padding:38px 20px}.page-band{color:#fff;background:radial-gradient(600px 240px at 82% 0, #2676ff66, transparent 70%), linear-gradient(150deg, var(--navy-950), var(--navy-900));padding:46px 0}.page-band h1{font-size:clamp(1.9rem,3.6vw,2.8rem)}.page-band p:not(.eyebrow){color:#c9d6f0;margin-top:4px}.trust-grid{grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);align-items:start;gap:48px;display:grid}.steps{gap:4px;margin:24px 0 0;padding:0;list-style:none;display:grid}.steps li{align-items:flex-start;gap:16px;padding:14px 0;display:flex}.steps strong{font-family:var(--font-display), sans-serif;font-size:1.08rem;display:block}.steps li span:not(.step-mark){color:var(--muted)}.step-mark{background:var(--blue-soft);width:44px;height:44px;color:var(--blue);border-radius:12px;flex-shrink:0;place-items:center;display:grid}.trust-card{border-radius:var(--radius);background:linear-gradient(170deg,#f3f7ff,#fff);border:1px solid #dbe5fb;padding:26px 28px}.trust-title{font-family:var(--font-display), sans-serif;color:var(--navy-900);align-items:center;gap:10px;margin-bottom:14px;font-size:1.15rem;font-weight:700;display:flex}.assurance{color:#33415c;gap:11px;margin:0;padding:0;font-size:.94rem;list-style:none;display:grid}.assurance li{align-items:flex-start;gap:10px;display:flex}.assurance .icon{color:var(--blue);margin-top:4px}.assurance a{color:var(--blue);font-weight:600}.blocks-band{color:#fff;background:linear-gradient(120deg, var(--navy-950), #10306d)}.blocks-row{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:40px;padding-block:60px;display:flex}.blocks-row>div:first-child{max-width:620px}.blocks-row p:not(.eyebrow){color:#c9d6f0;margin-top:6px}.block-stack{gap:5px;display:grid}.block-stack .b{border-radius:8px 12px 12px 8px;height:42px;display:block;position:relative}.block-stack .b:after{content:"";background:inherit;z-index:1;border-radius:0 0 7px 7px;width:26px;height:8px;position:absolute;bottom:-6px;left:22px}.b1{background:#ffc24d;width:210px}.b2{background:#4fa1ff;width:290px;margin-left:22px}.b3{background:#38cfa6;width:250px;margin-left:22px}.b4{background:#b28dff;width:170px}.grid{grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:24px;display:grid}.card{border:1px solid var(--line);border-radius:var(--radius);color:inherit;box-shadow:var(--shadow);background:#fff;flex-direction:column;text-decoration:none;transition:border-color .2s,transform .2s,box-shadow .2s;display:flex;overflow:hidden}.card-media-wrap{position:relative}.card-media{background:linear-gradient(160deg,#eef3fc,#f8fafe)}.card-cover{aspect-ratio:16/10;object-fit:cover;width:100%}.card-cover-fit{object-fit:contain;padding:14px}.card-cover-empty{color:#8ea0c8;font-family:var(--font-mono), monospace;letter-spacing:.12em;background:linear-gradient(160deg,#eef3fc,#f8fafe);place-items:center;font-size:.85rem;display:grid}.badge-3d{background:var(--navy-900);color:#fff;border-radius:999px;align-items:center;gap:5px;padding:3px 10px;font-size:.78rem;font-weight:600;display:inline-flex;position:absolute;top:12px;left:12px}.card-body{flex-direction:column;flex:1;gap:6px;padding:18px 20px 20px;display:flex}.card-text{color:var(--muted);font-size:.95rem}.card-meta{color:var(--muted);font-size:.86rem}.card-price{font-family:var(--font-display), sans-serif;color:var(--navy-900);align-items:center;gap:8px;margin-top:auto;padding-top:10px;font-size:1.28rem;font-weight:700;display:flex}.card-go{background:var(--blue-soft);width:34px;height:34px;color:var(--blue);border-radius:50%;place-items:center;margin-left:auto;transition:background .2s,color .2s;display:grid}.feature{border:1px solid var(--line);color:inherit;box-shadow:var(--shadow);background:#fff;border-radius:20px;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);text-decoration:none;transition:box-shadow .2s,border-color .2s;display:grid;overflow:hidden}.feature-media{background:linear-gradient(160deg,#eef3fc,#f8fafe);min-height:280px}.feature-media img{object-fit:cover;width:100%;height:100%}.feature-empty{height:100%}.feature-body{flex-direction:column;gap:10px;padding:clamp(24px,3vw,40px);display:flex}.feature-body h3{font-size:clamp(1.45rem,2.3vw,1.9rem);font-weight:700;line-height:1.3}.feature-outcome{color:var(--muted)}.fact-list{gap:7px;margin:8px 0;padding:0;font-size:.95rem;list-style:none;display:grid}.fact-list li{align-items:flex-start;gap:9px;display:flex}.fact-list .icon{color:var(--blue);margin-top:4px}.feature-foot{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:14px;margin-top:auto;padding-top:12px;display:flex}.feature-price{font-family:var(--font-display), sans-serif;color:var(--navy-900);font-size:1.85rem;font-weight:700}.tag{background:var(--tint);color:var(--navy-900);white-space:nowrap;font-size:.78rem;font-weight:600;font-family:var(--font-sans), sans-serif;border-radius:99px;padding:2px 10px;display:inline-block}.tag-large{padding:5px 14px;font-size:.9rem}.tag-muted{color:var(--muted);background:#eceef2}.tag-pending_payment{color:#6f4b00;background:#fff3d6}.tag-review{background:var(--blue-soft);color:var(--blue-deep)}.tag-paid,.tag-shipped{color:var(--green);background:#dcf3e4}.tag-cancelled{color:var(--red);background:#f9e3e1}.video-thumb{aspect-ratio:16/9;background:var(--navy-950);position:relative;overflow:hidden}.video-thumb img{object-fit:cover;width:100%;height:100%}.video-play{color:#fff;background:#060e22d9;border-radius:10px;place-items:center;width:56px;height:40px;margin:-20px 0 0 -28px;transition:background .2s;display:grid;position:absolute;top:50%;left:50%}.viewer3d{aspect-ratio:4/3;border-radius:var(--radius);border:1px solid var(--line);background:linear-gradient(160deg,#eef3fc,#f8fafe);position:relative;overflow:hidden}.viewer3d model-viewer{--poster-color:transparent;--progress-bar-color:var(--blue);--progress-bar-height:3px;width:100%;height:100%;display:block}.viewer3d-poster{object-fit:contain;width:100%;height:100%;padding:18px}.viewer3d-hint{color:var(--muted);text-align:center;margin-top:8px;font-size:.86rem}.detail{grid-template-columns:minmax(0,1.3fr) minmax(320px,1fr);align-items:start;gap:44px;display:grid}.detail-media{min-width:0}.detail-cover{border-radius:var(--radius);aspect-ratio:4/3;object-fit:contain;border:1px solid var(--line);background:var(--tint);width:100%}.detail-section{margin-top:44px}.detail-section h2{margin-bottom:14px}.buy-box{border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);background:#fff;gap:14px;min-width:0;padding:26px;display:grid;position:sticky;top:108px}.buy-box .assurance{border-top:1px solid var(--line);margin-top:6px;padding-top:16px}.detail-price{font-family:var(--font-display), sans-serif;color:var(--navy-900);font-size:2.2rem;font-weight:700;line-height:1.25}.stock-line{flex-wrap:wrap;align-items:center;gap:6px 14px;font-size:.94rem;display:flex}.stock{align-items:center;gap:5px;font-weight:600;display:inline-flex}.stock-in{color:var(--green)}.stock-out{color:var(--red)}.add-to-cart{flex-wrap:wrap;gap:10px;display:flex}.add-to-cart .btn{flex:150px}.breadcrumb{color:var(--muted);margin-bottom:18px;font-size:.9rem}.breadcrumb a{color:var(--blue);text-underline-offset:3px;text-decoration:underline}.breadcrumb-light{color:#a9bbdc}.breadcrumb-light a{color:var(--cyan)}.buy-bar{display:none}.course-hero{color:#fff;background:radial-gradient(640px 320px at 70% 10%, #2676ff66, transparent 70%), linear-gradient(150deg, var(--navy-950), var(--navy-900));padding:36px 0 54px}.course-hero-copy{width:min(100%,100% - 420px)}.course-hero h1{margin-bottom:10px;font-size:clamp(1.95rem,3.6vw,3rem)}.course-facts{grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:16px 28px;margin:22px 0 0;display:grid}.course-facts dt{color:#a9bbdc;align-items:center;gap:7px;font-size:.85rem;display:flex}.course-facts dt .icon{color:var(--cyan)}.course-facts dd{margin:2px 0 0;font-weight:500}.course-layout{grid-template-columns:minmax(0,1fr) 380px;align-items:start;gap:44px;padding-bottom:80px;display:grid}.course-main{min-width:0;padding-top:36px}.buy-box-course{z-index:2;margin-top:-120px}.buy-box-cover{aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-small);width:100%}.course-outcome{border-radius:var(--radius);background:linear-gradient(170deg,#f3f7ff,#fff);border:1px solid #dbe5fb;padding:22px 24px}.course-outcome h2{color:var(--blue);margin-bottom:4px;font-size:1.12rem}.syllabus td,.syllabus tbody th{vertical-align:top}.syllabus tbody th{color:var(--ink);white-space:normal;background:0 0;min-width:150px;font-weight:600}.syllabus-no{font-family:var(--font-mono), monospace;color:var(--blue);font-weight:500}.syllabus tfoot td{background:var(--tint);border-bottom:0;font-weight:700}.timeline{gap:0;margin:0;padding:0;list-style:none;display:grid}.timeline li{border-top:1px solid var(--line);grid-template-columns:88px 1fr;gap:16px;padding:12px 0;display:grid}.timeline li:first-child{border-top:0}.timeline strong{color:var(--blue)}.share-list{gap:14px;max-width:640px;margin:0;padding:0;list-style:none;display:grid}.share-label{justify-content:space-between;gap:16px;margin-bottom:4px;display:flex}.share-track{background:var(--tint);border-radius:99px;height:8px;display:block;overflow:hidden}.share-track span{background:var(--blue);border-radius:99px;height:100%;display:block}.outline{border:1px solid var(--line);border-radius:var(--radius-small);margin:0;padding:0;list-style:none;overflow:hidden}.outline li{border-top:1px solid var(--line);gap:12px;padding:12px 16px;display:flex}.outline li:first-child{border-top:0}.outline .num{font-family:var(--font-mono), monospace;color:var(--muted);font-size:.85rem;line-height:1.9}.legal{max-width:780px}.legal section{margin-top:28px;scroll-margin-top:110px}.legal h2{margin-bottom:6px;font-size:1.25rem}.legal ul{margin:6px 0 0;padding-left:22px}.form{gap:14px;display:grid}.field{gap:4px;min-width:0;display:grid}.field>span:first-child,.field-label{font-size:.93rem;font-weight:500}.field small{color:var(--muted)}input[type=text],input[type=email],input[type=password],input[type=tel],input[type=url],input[type=number],input[type=file],input[type=search],input[type=date],textarea,select{border:1.5px solid var(--line);width:100%;min-height:46px;font:inherit;color:inherit;background:#fff;border-radius:10px;padding:9px 13px;transition:border-color .15s,box-shadow .15s}input:focus,textarea:focus,select:focus{border-color:var(--blue);outline:none;box-shadow:0 0 0 3px #1450d926}textarea{resize:vertical;min-height:100px}.check{align-items:center;gap:9px;display:flex}.check input{width:19px;height:19px;accent-color:var(--blue)}.form-grid{grid-template-columns:1fr 1fr;gap:14px;display:grid}.password-wrap{display:block;position:relative}.password-wrap input{padding-right:70px}.password-toggle{min-height:34px;color:var(--blue);font:inherit;cursor:pointer;background:0 0;border:0;padding:0 10px;font-size:.88rem;font-weight:600;position:absolute;top:50%;right:6px;transform:translateY(-50%)}.notice{word-break:break-word;border-radius:10px;padding:11px 15px;font-size:.95rem}.notice .icon{vertical-align:-3px;margin-right:4px}.notice-error{color:var(--red);background:#fbeaea}.notice-ok{color:var(--green);background:#e4f5ea}.notice-info{background:var(--blue-soft);color:var(--blue-deep)}.notice a{font-weight:600}.panel{border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:24px;box-shadow:0 1px 2px #0b1f440a}.panel h2{margin-bottom:14px;font-size:1.18rem}.auth-layout{grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);min-height:calc(100vh - 92px);display:grid}.auth-aside{color:#fff;background:radial-gradient(520px 320px at 20% 20%, #2676ff73, transparent 70%), linear-gradient(160deg, var(--navy-950), var(--navy-900));flex-direction:column;justify-content:center;gap:28px;padding:56px clamp(32px,6vw,88px);display:flex}.auth-motto{font-family:var(--font-display), sans-serif;font-size:clamp(1.7rem,3vw,2.5rem);font-weight:700;line-height:1.35}.auth-aside ul{color:#c9d6f0;gap:14px;margin:0;padding:0;list-style:none;display:grid}.auth-aside li{align-items:flex-start;gap:11px;display:flex}.auth-aside .icon{color:var(--cyan);margin-top:4px}.auth-main{width:min(480px,100% - 40px);margin:auto;padding:44px 0}.auth-switch{text-align:center;color:var(--muted);margin-top:18px}.auth-switch a{color:var(--blue);font-weight:600}.progress{margin:20px 0 30px;padding:0;list-style:none;display:flex}.progress li{text-align:center;color:var(--muted);flex-direction:column;flex:1;align-items:center;gap:6px;font-size:.88rem;display:flex;position:relative}.progress li+li:before{content:"";background:var(--line);width:100%;height:2px;position:absolute;top:15px;right:50%}.progress-done+li:before{background:var(--blue)!important}.progress-dot{z-index:1;border:2px solid var(--line);background:#fff;border-radius:50%;place-items:center;width:32px;height:32px;font-weight:600;display:grid;position:relative}.progress-done .progress-dot{background:var(--blue);border-color:var(--blue);color:#fff}.progress-current .progress-dot{border-color:var(--blue);color:var(--blue);box-shadow:0 0 0 4px var(--blue-soft)}.progress-current,.progress-done{color:var(--ink)}.progress-current .progress-label{font-weight:600}.table-wrap{border:1px solid var(--line);border-radius:var(--radius-small);background:#fff;overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:.95rem}th,td{text-align:left;border-bottom:1px solid var(--line);vertical-align:middle;padding:11px 14px}th{color:var(--muted);background:var(--tint);white-space:nowrap;font-weight:600}tbody tr:last-child td,tbody tr:last-child th{border-bottom:0}td.num,th.num{text-align:right;white-space:nowrap}td a{color:var(--blue)}.cell-clip{text-overflow:ellipsis;white-space:nowrap;max-width:260px;overflow:hidden}.cell-break{word-break:break-word;max-width:380px}.log-confirm td{background:#e4f5ea}.summary-row{justify-content:space-between;gap:16px;padding:5px 0;display:flex}.summary-total{font-family:var(--font-display), sans-serif;border-top:1px solid var(--line);margin-top:8px;padding-top:12px;font-size:1.28rem;font-weight:700}.cart-layout{grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);align-items:start;gap:28px;display:grid}.cart-notice{grid-column:1/-1}.cart-line{border-top:1px solid var(--line);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:14px;padding:14px 0;display:flex}.cart-line:first-child{border-top:0;padding-top:0}.qty{border:1.5px solid var(--line);background:#fff;border-radius:10px;align-items:center;display:inline-flex;overflow:hidden}.qty button{background:var(--tint);width:44px;height:44px;color:var(--navy-900);font:inherit;cursor:pointer;border:0;font-size:1.2rem;font-weight:600}.qty button:disabled{color:#a9b3c6;cursor:not-allowed}input.cart-qty{text-align:center;border:0;border-radius:0;width:52px;min-height:44px;padding:0 4px}.pay-panel{background:linear-gradient(170deg,#f3f7ff,#fff);border-color:#c6d4f3}.pay-amount{font-family:var(--font-display), sans-serif;color:var(--navy-900);flex-wrap:wrap;align-items:center;gap:4px;margin-bottom:12px;font-size:2.1rem;font-weight:700;display:flex}.pay-box{gap:8px;margin:0;display:grid}.pay-box>div{grid-template-columns:96px 1fr;align-items:center;gap:10px;display:grid}.pay-box dt{color:var(--muted)}.pay-box dd{margin:0;font-weight:600}.pay-note{align-items:flex-start;gap:7px;margin-top:14px;font-size:.9rem;display:flex}.pay-note .icon{color:var(--blue);margin-top:3px}.slip-preview{border:1px solid var(--line);border-radius:10px;max-width:280px}.account-grid{grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);align-items:start;gap:26px;display:grid}.account-course{border:1px solid var(--line);border-radius:var(--radius-small);background:#fff;justify-content:space-between;align-items:center;gap:14px;padding:16px 18px;text-decoration:none;display:flex}.player{aspect-ratio:16/9;border-radius:var(--radius);background:#000;position:relative;overflow:hidden}.player iframe{border:0;width:100%;height:100%;position:absolute;inset:0}.lesson-layout{grid-template-columns:minmax(0,2.1fr) minmax(0,1fr);align-items:start;gap:26px;display:grid}.lesson-list{border:1px solid var(--line);border-radius:var(--radius-small);margin:0;padding:0;list-style:none;overflow:hidden}.lesson-list a{border-top:1px solid var(--line);padding:11px 14px;text-decoration:none;display:block}.lesson-list li:first-child a{border-top:0}.lesson-list a[aria-current=true]{background:var(--blue);color:#fff}.lesson-list a:not([aria-current=true]):hover{background:var(--tint)}.admin-layout{background:var(--tint);grid-template-columns:224px minmax(0,1fr);min-height:calc(100vh - 92px);display:grid}.admin-nav{border-right:1px solid var(--line);background:#fff;align-content:start;gap:18px;padding:24px 14px;display:grid}.admin-nav-group{gap:1px;display:grid}.admin-nav-group p{letter-spacing:.04em;color:var(--muted);padding:0 12px 4px;font-size:.76rem;font-weight:600}.admin-nav a{border-radius:9px;justify-content:space-between;align-items:center;gap:8px;padding:8px 12px;font-size:.95rem;text-decoration:none;display:flex}.admin-nav a:hover{background:var(--tint);color:var(--blue)}.nav-badge{background:var(--red);color:#fff;text-align:center;border-radius:99px;min-width:22px;padding:0 7px;font-size:.76rem;font-weight:700;line-height:22px}.admin-main{min-width:0;padding:28px clamp(18px,2.6vw,38px) 70px}.admin-head{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:14px;margin-bottom:18px;display:flex}.admin-head h1{font-size:1.65rem}.setup-box{border-radius:var(--radius-small);background:#fff9e9;border:1px solid #f3d38b;margin-bottom:20px;padding:16px 20px}.setup-box h2{margin-bottom:6px;font-size:1.04rem}.setup-box ul{margin:0;padding-left:20px}.setup-box a{color:var(--blue);font-weight:600}.task-grid{grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:14px;margin-bottom:14px;display:grid}.task{border:1px solid var(--line);border-radius:var(--radius-small);color:var(--muted);background:#fff;grid-template-columns:auto 1fr;align-items:center;column-gap:12px;padding:16px 18px;text-decoration:none;display:grid}.task strong{font-family:var(--font-display), sans-serif;color:var(--ink);font-size:1.8rem;line-height:1.2}.task span{grid-column:2}.task .icon{grid-row:span 2}.task-active{background:var(--blue-soft);border-color:#c6d4f3}.task-active .icon,.task-active strong{color:var(--blue-deep)}.stat-grid{grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin-bottom:24px;display:grid}.stat{border:1px solid var(--line);border-radius:var(--radius-small);background:#fff;padding:16px 18px;display:block}.stat span{color:var(--muted);font-size:.9rem;display:block}.stat strong{font-family:var(--font-display), sans-serif;color:var(--ink);font-size:1.6rem;line-height:1.35;display:block}.stat small{color:var(--muted)}.activity{margin:0;padding:6px 20px;list-style:none}.activity li{border-top:1px solid var(--line);flex-wrap:wrap;justify-content:space-between;gap:6px 18px;padding:10px 0;display:flex}.activity li:first-child{border-top:0}.activity a{color:var(--blue);font-weight:500}.filter-bar{border:1px solid var(--line);border-radius:var(--radius-small);background:#fff;gap:12px;margin-bottom:16px;padding:14px 16px;display:grid}.filter-form{flex-wrap:wrap;align-items:flex-end;gap:10px;display:flex}.filter-form label{color:var(--muted);gap:3px;font-size:.86rem;font-weight:500;display:grid}.filter-form input{min-height:40px;color:var(--ink);padding:6px 11px;font-size:.94rem;font-weight:400}.filter-grow{flex:260px}.chip{border:1px solid var(--line);background:#fff;border-radius:999px;align-items:center;gap:6px;min-height:36px;padding:3px 13px;font-size:.9rem;text-decoration:none;display:inline-flex}.chip:hover{border-color:var(--blue);color:var(--blue)}.chip-on{background:var(--navy-900);border-color:var(--navy-900);color:#fff}.chip-on:hover{color:#fff}.chip-n{opacity:.75;font-size:.8rem}.inline-actions{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.inline-form{display:contents}.action-panel{border-color:#c6d4f3;gap:14px;display:grid}.action-panel h2{margin-bottom:0}.lesson-edit{border:1px solid var(--line);border-radius:var(--radius-small);background:#fff;padding:14px 16px}.lesson-edit summary{cursor:pointer;font-weight:600}.lesson-edit[open] summary{margin-bottom:12px}.thumb-small{aspect-ratio:16/9;object-fit:cover;border-radius:6px;width:96px}.chart{margin:0}.chart figcaption{flex-wrap:wrap;justify-content:space-between;gap:14px;margin-bottom:16px;display:flex}.chart-title{font-weight:600}.chart-total{font-family:var(--font-display), sans-serif;font-size:1.15rem;font-weight:700}.chart-plot{height:200px;margin-left:52px;position:relative}.chart-grid{border-top:1px solid var(--line);position:absolute;left:0;right:0}.chart-grid span{color:var(--muted);white-space:nowrap;padding-right:8px;font-size:.78rem;position:absolute;top:-11px;right:100%}.chart-bars{align-items:stretch;gap:2px;display:flex;position:absolute;inset:0}.chart-col{border-radius:4px 4px 0 0;flex:1 1 0;justify-content:center;align-items:flex-end;min-width:0;display:flex;position:relative}.chart-col:hover,.chart-col:focus-visible{background:#1450d90f}.chart-bar{background:var(--blue);border-radius:4px 4px 0 0;width:100%;max-width:24px;min-height:2px;display:block}.chart-tip{z-index:5;background:var(--navy-950);color:#fff;pointer-events:none;border-radius:8px;width:max-content;max-width:220px;margin-bottom:-16px;padding:7px 11px;font-size:.82rem;line-height:1.45;display:none;position:absolute;bottom:100%;left:50%;transform:translate(-50%)}.chart-tip 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#000;padding:3mm;font-size:10pt}.label-to{flex-direction:column;flex:1;gap:1.5mm;min-height:0;padding:3mm;display:flex}.label-name{font-size:18pt;font-weight:700;line-height:1.25}.label-phone{font-size:14pt;font-weight:600}.label-address{font-size:14pt;overflow:hidden}.label-zip{gap:1.5mm;margin-top:auto;display:flex}.label-zip span{border:1.5px solid #000;place-items:center;width:10mm;height:12mm;font-size:18pt;font-weight:700;display:grid}.label-foot{border-top:2px solid #000;gap:.5mm;padding:2mm 3mm;font-size:9pt;display:grid}.site-footer{background:var(--navy-950);color:#c9d6f0;padding:48px 0 40px}.footer-grid{grid-template-columns:minmax(0,1.7fr) minmax(0,1fr) minmax(0,1.2fr);gap:32px;display:grid}.footer-logo{background:#fff;border-radius:12px;margin-bottom:12px;padding:8px 12px;display:inline-block}.footer-motto{font-family:var(--font-display), sans-serif;color:#fff;font-weight:600}.footer-tag{font-family:var(--font-mono), 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0}.syllabus-no{position:absolute;top:12px;right:14px;padding:0!important}.syllabus tbody th{padding-right:34px;font-size:1.04rem}.syllabus td[data-label]:before{content:attr(data-label);color:var(--muted);font-size:.82rem;font-weight:600;display:block}.syllabus tfoot,.syllabus tfoot tr{justify-content:space-between;display:flex}.syllabus tfoot td{background:0 0;padding:10px 2px;display:inline}}@media (max-width:860px){.wrap{width:calc(100% - 36px)}.header-row{gap:4px 12px;padding:4px 18px}.main-nav{white-space:nowrap;flex-wrap:nowrap;order:3;width:100%;margin-inline:-8px;overflow-x:auto}.main-nav a{padding:6px 10px}.cart-word{display:none}.hero-row,.detail,.cart-layout,.account-grid,.lesson-layout,.trust-grid,.feature,.course-layout,.auth-layout,.footer-grid{grid-template-columns:minmax(0,1fr)}.admin-layout{display:block}.admin-nav{border-right:0;border-bottom:1px solid var(--line);white-space:nowrap;gap:2px;padding:8px 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18px}.buy-bar .add-to-cart{flex-wrap:nowrap}.buy-bar .btn-ghost{display:none}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}@media print{body{background:#fff;min-height:0;display:block}.site-header,.site-footer,.no-print{display:none!important}.admin-layout,.admin-main{background:#fff;min-height:0;padding:0;display:block}.panel,.stat,.table-wrap{box-shadow:none;break-inside:avoid}.chart-table{display:none}.labels{display:block}.labels-a6 .label{break-after:page;margin:0}.labels-a6 .label:last-child{break-after:auto}.labels-a4{grid-template-columns:95mm 95mm;justify-content:start;gap:2mm;display:grid}*{-webkit-print-color-adjust:exact;print-color-adjust:exact}}