/* JTK library / complete covers and sculpted tablets */
.card-bottom{display:flex;justify-content:space-between;gap:10px;align-items:center;margin:16px 3px 0}.card-bottom .card-more{margin:0}.price-value{font-size:25px;font-weight:650;letter-spacing:-1px;white-space:nowrap}.price-value small{font-size:14px;margin-right:3px}.price-value em{font-size:11px;font-style:normal;font-weight:400;letter-spacing:0;margin-left:5px;color:#555}.price-pending{font-size:13px}.main-price{margin:0 0 26px}.main-price .price-value{font-size:48px;letter-spacing:-2px}.main-price .price-value small{font-size:22px}.main-price .price-value em{font-size:14px}.purchase-box .package-heading{font-size:12px;margin:0 0 10px;letter-spacing:1px}.package-options{display:grid;gap:8px;margin-bottom:16px}.package-option{display:flex;justify-content:space-between;align-items:center;gap:14px;border:1px solid #7776;border-radius:12px;background:#ffffff20;padding:14px 16px;font-size:13px;line-height:1.6}.package-option b{white-space:nowrap;font-size:18px;font-weight:600}.purchase-box .price-footnote{font-size:11px;line-height:1.8;color:#555;margin:0 0 18px}.mobile-purchase .price-value{font-size:23px}.mobile-purchase .price-value em{font-size:10px}.ecommerce-overview{margin-top:38px!important;padding:58px 42px!important;background:#1d211e;color:#eee;border-radius:22px;border:0!important}.ecommerce-overview .section-label{color:#b1baa9}.ecommerce-overview h2{font-size:44px;line-height:1.3;margin-bottom:22px}.overview-lead{max-width:730px;color:#bac2b7;font-size:16px;line-height:1.95;margin:0 0 34px}.ecommerce-overview .highlight{background:#ffffff08;border-color:#ffffff25;padding:28px}.ecommerce-overview .highlight .num{color:#a9b698}.ecommerce-overview .highlight h3{color:#f4f5ef}.ecommerce-overview .highlight p{color:#bdc5b7}.audience-panel{padding:65px 42px!important}.audience-panel .audience-copy{max-width:780px;font-size:20px;line-height:1.9}.contents-layout{padding:55px 42px!important;background:#c2c4ba;border-radius:22px;border-bottom:0!important;margin-bottom:24px!important}.contents-layout h2{line-height:1.35}.contents-layout .chapters li:last-child{border:0}
@media(max-width:540px){.card-bottom{align-items:start;flex-direction:column;gap:9px}.price-value{font-size:23px}.ecommerce-overview{padding:32px 22px!important;border-radius:16px}.ecommerce-overview h2{font-size:28px}.overview-lead{font-size:14px}.ecommerce-overview .highlight{padding:22px}.audience-panel{padding:38px 12px!important}.audience-panel .audience-copy{font-size:17px}.contents-layout{padding:30px 22px!important;border-radius:16px}.package-option{padding:12px 14px;font-size:12px}.package-option b{font-size:17px}.main-price{margin-bottom:20px}}
:root{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC",sans-serif}
.nav{width:min(760px,calc(100% - 32px));gap:8px;align-items:center;padding:7px;background:#252525da;border:1px solid #ffffff30;border-radius:22px;box-shadow:0 12px 35px #0003;backdrop-filter:blur(24px)}
.logo{width:48px;height:48px;border-radius:15px;background:linear-gradient(145deg,#fbfbfc,#a9adb5);box-shadow:inset 0 1px 1px #fff,0 3px 8px #0005;border:1px solid #ffffffa0;color:#292a2e;letter-spacing:-1.8px;font-size:20px;font-style:normal;font-weight:850}
.logo span{padding-right:2px}.nav-main{padding:8px 12px;border:0;background:none;backdrop-filter:none;font-size:13px;gap:22px}.shop-link{height:42px;border-radius:14px;background:#ffffff12;border-color:#ffffff12;font-size:13px}.brand-name{letter-spacing:.2px}
.library-hero{height:auto;min-height:0;max-height:none;padding:128px 38px 30px;background:radial-gradient(ellipse at 65% 65%,#353735,#111311 65%);border-radius:20px}
.library-heading{display:flex;justify-content:space-between;align-items:end;gap:40px;max-width:1580px;margin:auto auto 46px}.library-heading h1{font-size:clamp(36px,4.1vw,68px);line-height:1.2;letter-spacing:-2px;margin:20px 0 0}.library-heading h1 span{color:#aeb3a5}.library-heading .eyebrow{background:none;color:#c0c2b9;padding:0;letter-spacing:2px;font-size:12px}.library-intro{padding-bottom:5px}.library-intro p{font-size:15px;line-height:1.9;color:#c8ccc5;margin:0 0 22px}.library-intro .button{font-weight:500}.library-shelf{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:24px 28px;max-width:1580px;margin:auto}.shelf-book{min-width:0;display:flex;flex-direction:column;align-items:center;gap:14px;transition:transform .25s}.shelf-book:hover{transform:translateY(-6px)}.shelf-book>span{font-size:12px;color:#d8dbd3;text-align:center;line-height:1.5}.library-foot{max-width:1580px;margin:36px auto 0;display:flex;justify-content:space-between;gap:20px;border-top:1px solid #ffffff20;padding-top:22px;color:#a8ada5;font-size:11px;letter-spacing:.6px;line-height:1.8}
.ipad{position:relative;width:100%;padding:12px 9px;border:1px solid #bfc1c3;border-radius:20px;background:linear-gradient(135deg,#42464a,#111315 30%,#292c30 90%,#6e7175);box-shadow:inset 0 0 0 2px #222426,0 10px 17px #0003,2px 2px 0 #777b80;isolation:isolate}.ipad-camera{position:absolute;top:4px;left:50%;width:4px;height:4px;border-radius:50%;background:#172335;box-shadow:0 0 0 1px #07090b;z-index:2}.ipad-screen{aspect-ratio:3/4;width:100%;overflow:hidden;border-radius:10px;background:#080909;display:flex;align-items:center;justify-content:center}.ipad-screen>img{position:static;display:block;width:100%;height:100%;max-height:100%;object-fit:contain;transform:none!important}.shelf-book .ipad{max-width:158px;padding:8px 6px;border-radius:13px;box-shadow:inset 0 0 0 1px #36383a,0 12px 20px #0007,1px 1px 0 #777}.shelf-book .ipad-screen{border-radius:6px}.shelf-book .ipad-camera{width:3px;height:3px;top:2px}
.catalog-layout{grid-template-columns:210px minmax(0,1fr);gap:26px}.collection-heading{margin:36px 0 26px}.cover-frame{aspect-ratio:4/5;background:radial-gradient(ellipse at 50% 35%,#d1d1cb,#a2a49c);padding:24px 28px;border-radius:16px;overflow:visible}.cover-frame .ipad{max-width:280px;transition:transform .3s}.card:hover .cover-frame .ipad{transform:translateY(-4px)}.card-meta{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px;margin:18px 3px 10px}.card .category{margin:0;font:11px inherit;color:#51534e}.card-badge{position:static;padding:4px 8px;border:1px solid #7778;background:#ffffff20;color:#42443e;border-radius:20px;font-size:10px;max-width:none}.card h3{font-size:19px;margin-left:3px}.card-description{margin-left:3px;color:#444740}.card-facts{margin:0 3px}.card-facts>div{background:#ffffff14;border-color:#7776}.card-facts b{background:transparent;color:#333}.card-more{font:12px inherit}.open-circle{display:none}
.detail-top{grid-template-columns:minmax(0,1.12fr) minmax(0,1fr);grid-template-areas:"visual copy" "context context";gap:34px 6%;padding:12px 3% 54px;min-height:0}.detail-visual{grid-area:visual;perspective:1300px;background:radial-gradient(ellipse at 50% 40%,#d5d7d0,#a8aaa1);min-height:0;aspect-ratio:auto;overflow:visible;border-radius:24px;padding:42px 44px 32px;display:flex;flex-direction:column;gap:28px}.detail-visual .ipad{width:82%;max-width:420px;transform:rotateY(-13deg) rotateX(3deg) rotateZ(-2deg);transform-style:preserve-3d;box-shadow:inset 0 0 0 2px #303337,7px 3px 0 #62666a,9px 4px 0 #2b2d30,22px 26px 28px #0004;padding:16px 12px;border-radius:25px}.detail-visual .ipad:after{content:"";position:absolute;right:-5px;top:50px;width:3px;height:34px;border-radius:3px;background:#92969a}.detail-visual .ipad-camera{top:5px;width:5px;height:5px}.detail-visual .ipad-screen{border-radius:12px}.image-caption{position:static;background:none;color:#50534b;font-size:11px;padding:0;margin-top:3px}.detail-copy{grid-area:copy}.detail-copy h1{font-size:clamp(32px,3.4vw,52px);line-height:1.25;letter-spacing:-1.8px}.detail-copy .eyebrow{letter-spacing:2px;font-size:12px}.detail-intro{color:#40433c;max-width:510px}.detail-context{grid-area:context;display:grid;grid-template-columns:1fr 1fr;gap:24px 6%;align-items:center;border-top:1px solid var(--line);padding-top:28px}.detail-context>.section-label{display:none}.detail-context .specs{display:flex;flex-direction:row;gap:10px}.specs>div{display:flex;flex-direction:column;flex:1;align-items:start;padding:15px 12px;gap:10px}.specs dt{font-size:12px}.specs dd{background:none;color:#222;padding:0;font:13px inherit}.detail-description{margin:0;font-size:14px;line-height:1.9}.purchase-box .purchase-note{background:#ffffff18;border-color:#7775}.detail-anchor-nav{justify-content:center}.detail-section{max-width:1200px;margin:auto}.detail-section h2{font-weight:650}.highlight{background:#ffffff14;border-color:#8887}.related{max-width:1200px;margin:auto}
@media(min-width:1500px){.library-shelf{gap:28px 40px}.shelf-book .ipad{max-width:170px}.detail-top{padding-left:8%;padding-right:8%}}
@media(max-width:1100px){.library-hero{padding:115px 26px 24px}.library-shelf{gap:24px 16px}.catalog-layout{grid-template-columns:175px minmax(0,1fr);gap:20px}.cover-frame{padding:18px 20px}.detail-visual{padding:35px 24px 26px}.detail-visual .ipad{width:90%}.detail-context{grid-template-columns:1fr}.detail-top{gap:30px 5%}.card-meta{align-items:start;flex-direction:column}.card h3{font-size:17px}}
@media(max-width:800px){.nav{border-radius:20px;padding:6px}.nav-main{padding:7px 6px}.logo{width:42px;height:42px;font-size:18px;border-radius:13px}.library-heading{gap:24px;margin-bottom:30px}.library-heading h1{font-size:39px}.library-intro p{font-size:13px}.library-intro .button{font-size:12px;padding:12px 16px;min-height:40px}.library-shelf{grid-template-columns:repeat(7,minmax(0,1fr));gap:21px 10px}.shelf-book>span{font-size:9px}.shelf-book{gap:9px}.shelf-book .ipad{padding:6px 4px;border-radius:8px}.shelf-book .ipad-screen{border-radius:3px}.shelf-book .ipad-camera{width:2px;height:2px;top:1px}.catalog-layout{display:block}.card-meta{flex-direction:row;align-items:center}.cover-frame{padding:28px}.detail-top{padding:0 0 36px}.detail-visual{padding:30px 20px 24px}.detail-copy h1{font-size:32px}.detail-context .specs{display:flex}.detail-description{font-size:14px}.library-foot{font-size:10px}.ipad{border-radius:18px}}
@media(max-width:540px){.nav{width:calc(100% - 24px);gap:5px}.nav-main{font-size:12px}.shop-link{font-size:11px;padding:0 10px;height:38px}.logo{width:39px;height:39px;font-size:17px}.library-hero{margin:6px;padding:105px 18px 24px;border-radius:16px}.library-heading{display:block;margin-bottom:28px}.library-heading h1{font-size:39px;letter-spacing:-1.3px}.library-heading .eyebrow{font-size:10px;letter-spacing:1px}.library-intro{margin-top:20px}.library-intro p{font-size:13px;line-height:1.8;margin-bottom:16px}.library-shelf{grid-template-columns:repeat(4,minmax(0,1fr));gap:18px 12px}.shelf-book:nth-last-child(2){grid-column:2}.shelf-book>span{font-size:9px;line-height:1.4}.library-foot{display:block;margin-top:26px;padding-top:17px;font-size:9px}.library-foot span{display:block;margin-top:4px}.cover-frame{aspect-ratio:4/5;padding:16px 13px;border-radius:12px}.cover-frame .ipad{padding:8px 6px;border-radius:13px}.cover-frame .ipad-screen{border-radius:6px}.cover-frame .ipad-camera{width:3px;height:3px;top:2px}.card-meta{gap:7px;flex-direction:column;align-items:start;margin:12px 1px 8px}.card-badge{font-size:10px;padding:3px 6px}.card h3{font-size:16px;margin-left:1px}.card-description{font-size:13px;margin-left:1px;line-height:1.7}.card-facts>div{display:flex;align-items:start;flex-direction:column;gap:5px}.card-facts b{margin:0;padding:0}.detail-top{grid-template-columns:1fr;grid-template-areas:"visual" "copy" "context";gap:30px}.detail-visual{max-width:none;padding:30px 32px 24px;width:100%;aspect-ratio:auto;min-height:0}.detail-visual .ipad{width:78%;max-width:320px;border-radius:22px;padding:13px 10px}.detail-visual .ipad-camera{top:4px;width:4px;height:4px}.detail-visual .ipad-screen{border-radius:10px}.detail-copy h1{font-size:34px}.detail-context .specs{display:flex;gap:7px}.specs>div{padding:12px 8px;gap:10px;flex-wrap:nowrap}.specs dt{font-size:11px}.specs dd{font-size:12px}.detail-context{gap:20px}.detail-anchor-nav{gap:25px;font-size:13px}.mobile-purchase{background:#d1d2cadf}.mobile-purchase .button{font-size:13px;padding:12px 19px}}