/* Homepage only. Retains the existing navy / cream / coral palette and 05 navigation component. */
.ktp-home-rebuild{--hm-ink:#173449;--hm-text:#4f626b;--hm-accent:#b83e24;--hm-cream:#f8f6f0;--hm-line:#d5dedd;margin:0;background:#fff;color:var(--hm-ink);font-family:"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased}
.ktp-home-rebuild *,.ktp-home-rebuild *::before,.ktp-home-rebuild *::after{box-sizing:border-box}.ktp-home-rebuild h1,.ktp-home-rebuild h2,.ktp-home-rebuild h3,.ktp-home-rebuild p,.ktp-home-rebuild dl{margin:0}.ktp-home-rebuild a{color:inherit;text-decoration:none;touch-action:manipulation}.ktp-home-rebuild a:hover{color:var(--hm-accent)}.ktp-home-rebuild a:focus-visible,.ktp-home-rebuild summary:focus-visible{outline:3px solid #267e78;outline-offset:4px}.ktp-home-rebuild :target{scroll-margin-top:24px}.ktp-home-rebuild a,.ktp-home-rebuild summary{min-height:44px}.hm-wrap{width:min(1240px,calc(100% - 96px));margin:0 auto}.hm-skip{position:absolute;top:-100px;left:20px;background:#173449;color:white!important;padding:10px 20px;z-index:10}.hm-skip:focus{top:10px}
.ktp-home-rebuild .hp-header{border-bottom:1px solid var(--hm-line);background:#fff}.ktp-home-rebuild .hp-header-inner{display:flex;align-items:center;gap:24px;padding:18px 0;min-height:100px}.ktp-home-rebuild .hp-brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;font-size:27px;font-weight:800;line-height:1.2;letter-spacing:1px}.ktp-home-rebuild .hp-brand small{display:block;font-size:10px;font-weight:600;letter-spacing:2.6px;margin-top:6px}.ktp-home-rebuild .hp-brand-symbol{width:36px;height:36px}.ktp-home-rebuild .hp-nav{display:flex;align-items:center;gap:28px;margin-left:auto;font-size:16px;font-weight:600}.ktp-home-rebuild .hp-nav a{display:inline-flex;align-items:center;white-space:nowrap}.ktp-home-rebuild .ktp-user-navigation{margin-left:18px;gap:4px;font-size:16px}.ktp-home-rebuild .ktp-user-navigation .ktp-user-primary{border-radius:0;color:#173449}
.hm-hero{background:var(--hm-cream);border-bottom:1px solid var(--hm-line)}.hm-hero-grid{display:grid;grid-template-columns:1.28fr 1fr;gap:70px;align-items:center;padding-top:68px;padding-bottom:68px}.hm-eyebrow{font-size:13px;font-weight:650;letter-spacing:.8px;color:#435e66;display:flex;align-items:center;gap:10px}.hm-dot{display:inline-block;width:7px;height:7px;background:var(--hm-accent);border-radius:50%;flex-shrink:0}.ktp-home-rebuild h1{font-size:clamp(34px,3.15vw,48px);line-height:1.45;letter-spacing:-1.5px;margin-top:22px;font-weight:760}.ktp-home-rebuild h1 span{color:var(--hm-accent)}.hm-lead{font-size:17px;color:var(--hm-text);line-height:1.95;margin-top:24px!important}.hm-actions{display:flex;align-items:center;gap:26px;margin-top:30px}.hm-button{display:inline-flex;justify-content:center;align-items:center;gap:25px;padding:13px 22px;min-height:54px;font-size:16px;font-weight:650;border:1px solid var(--hm-ink);font-family:inherit}.hm-primary{background:var(--hm-ink);color:#fff!important}.hm-primary:hover{background:#254d65}.hm-text-link{display:inline-flex;align-items:center;gap:18px;font-size:16px;font-weight:650}.hm-hero-note{font-size:13px;color:#54696f;margin-top:19px!important}.hm-map{background:#fff;padding:28px 30px;border:1px solid #cbd7d3;box-shadow:10px 10px 0 #e3e8df;position:relative}.hm-map-title{display:flex;align-items:center;justify-content:space-between;font-size:11px;letter-spacing:2px;font-weight:700;color:#546b70}.hm-map-title>span:last-child{font-size:25px;color:var(--hm-accent)}.hm-map-heading{font-size:30px;line-height:1.5;font-weight:700;margin-top:18px!important}.hm-map-route{display:flex;align-items:center;justify-content:space-between;gap:8px;border-block:1px solid var(--hm-line);padding:16px 0;margin-top:22px;font-size:13px}.hm-map-route i{font-style:normal;color:#8a9b9b}.hm-inventory{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px;margin-top:22px!important}.hm-inventory dt{font-size:12px;color:#53676f}.hm-inventory dd{font-size:36px;line-height:1.4;margin:5px 0 0;font-weight:650;font-variant-numeric:tabular-nums}.hm-inventory small{font-size:12px;margin-left:6px;font-weight:400}.hm-map-note{font-size:12px;line-height:1.8;color:#53676f;margin-top:16px!important}
.hm-section{padding:66px 0}.hm-section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:36px;margin-bottom:30px}.ktp-home-rebuild h2{font-size:30px;line-height:1.5;letter-spacing:-.7px;font-weight:700;margin-top:10px}.hm-section-head>p{font-size:15px;color:var(--hm-text)}.hm-section-head>.hm-text-link{flex-shrink:0}.hm-subject-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border:1px solid var(--hm-line)}.hm-subject{padding:25px 24px 16px;min-width:0;position:relative}.hm-subject+.hm-subject{border-left:1px solid var(--hm-line)}.hm-mini-label{font-size:11px;color:#536b73;letter-spacing:.7px;font-weight:650;line-height:1.8}.hm-symbol{display:flex;align-items:center;height:67px;font-size:36px;font-weight:500;letter-spacing:-2px;color:#6a8b82;margin-top:6px}.hm-subject-reading-writing .hm-symbol{color:#9b765c}.hm-subject-calculus-ab .hm-symbol{color:#6c7f9c}.hm-subject-calculus-bc .hm-symbol{color:#8a7394}.ktp-home-rebuild h3{font-size:19px;line-height:1.6;font-weight:650}.hm-subject h3>a{display:inline-flex;align-items:center}.hm-subject-intro{font-size:14px;line-height:1.9;color:var(--hm-text);margin-top:10px!important;min-height:82px}.hm-subject-count{font-size:14px;margin-top:18px!important;font-weight:600}.hm-availability{font-size:12px;color:#4a646a;margin-top:3px!important}.hm-subject-links{border-top:1px solid var(--hm-line);margin-top:17px;padding-top:7px;display:flex;flex-direction:column}.hm-subject-links a{display:flex;align-items:center;justify-content:space-between;font-size:14px;font-weight:650;gap:10px}.hm-section-note{font-size:13px;color:#53676f;line-height:1.9;margin-top:20px!important}.hm-paper-section{padding-top:5px}.hm-paper-list{border-top:1px solid #9fb4b6}.hm-paper{display:grid;grid-template-columns:62px 1fr 180px;gap:27px;align-items:center;border-bottom:1px solid var(--hm-line);padding:25px 0}.hm-paper-mark{border:1px solid #c2d2ce;background:#f4f6f2;width:62px;height:80px;display:flex;align-items:center;justify-content:center;flex-direction:column;font-size:18px;font-weight:650}.hm-paper-mark small{font-size:10px;letter-spacing:1px;margin-top:6px;font-weight:400}.hm-paper-info h3{margin-top:3px}.hm-paper-info h3 a{display:inline-flex;align-items:center}.hm-paper-info>p:not(.hm-mini-label){font-size:14px;color:var(--hm-text);line-height:1.9}.hm-paper-status{font-size:12px!important}.hm-paper-links{display:flex;flex-direction:column;gap:4px}.hm-paper-links a{display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:14px;font-weight:600;border-bottom:1px solid #e0e7e4}.hm-tinted{background:var(--hm-cream);border-block:1px solid #e0e4dc}.hm-steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:46px}.hm-step{display:inline-flex;align-items:center;justify-content:center;width:35px;height:35px;background:#e3e9df;color:#284f4a;font-size:17px;font-weight:700;margin-bottom:13px}.hm-steps h3{font-size:19px}.hm-steps p{font-size:15px;color:var(--hm-text);margin-top:10px!important;line-height:1.9}.hm-inline-note{display:grid;grid-template-columns:210px 1fr;gap:24px;border-top:1px solid #cbd5d0;margin-top:30px;padding-top:22px;font-size:14px}.hm-inline-note p{color:var(--hm-text)}
.hm-practice-panel{display:grid;grid-template-columns:1.2fr 1fr;gap:90px;padding:36px 40px;background:#edf3ef;border-left:4px solid #4e7a6e}.hm-practice-intro{max-width:500px;color:var(--hm-text);font-size:15px;margin:20px 0 25px!important}.hm-outline{background:transparent;color:var(--hm-ink)}.hm-outline:hover{background:white}.hm-practice-facts{align-self:center;border-left:1px solid #bacdc4;padding-left:36px}.hm-practice-facts h3{font-size:15px}.hm-sample-number{font-size:45px;font-weight:650;line-height:1.3;margin:12px 0!important}.hm-sample-number span{font-size:14px;font-weight:400;margin-left:15px}.hm-practice-facts>p:not(.hm-sample-number){font-size:14px;color:#435e62}.hm-rule{border-top:1px solid #c5d5cc;padding-top:13px;margin-top:14px!important}.hm-button:disabled{opacity:.6;cursor:not-allowed}.hm-membership{padding-top:0}.hm-price-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border:1px solid var(--hm-line)}.hm-price-grid article{padding:24px;min-width:0}.hm-price-grid article+article{border-left:1px solid var(--hm-line)}.hm-price-grid h3{font-size:19px;margin-top:7px}.hm-price{font-size:29px;line-height:1.6;font-weight:650;margin-top:16px!important;letter-spacing:-.5px}.hm-price small{font-size:13px;font-weight:400;letter-spacing:0}.hm-price-grid article>p:last-child{font-size:14px;line-height:1.9;color:var(--hm-text);margin-top:11px}.hm-member-price{background:#f6f5ee}.hm-sales-note{display:flex;align-items:baseline;gap:10px;font-size:14px;color:#814332;padding:17px 0 0}.hm-sales-note .hm-dot{align-self:center}.hm-scope-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:85px;border-top:1px solid var(--hm-line);padding-top:45px}.hm-scope-copy>p{font-size:15px;line-height:2;color:var(--hm-text)}.hm-scope-copy>p+p{margin-top:16px}.hm-scope-feedback{padding-left:17px;border-left:2px solid #9eb7b0;font-size:13px!important}.hm-faq-section{padding-top:0}.hm-faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:85px}.hm-faq details{border-top:1px solid var(--hm-line)}.hm-faq details:last-child{border-bottom:1px solid var(--hm-line)}.hm-faq summary{cursor:pointer;font-size:16px;font-weight:650;list-style:none;padding:18px 28px 18px 0;position:relative}.hm-faq summary::-webkit-details-marker{display:none}.hm-faq summary::after{content:'+';position:absolute;right:0;top:17px;font-size:19px;font-weight:400}.hm-faq details[open] summary::after{content:'−'}.hm-faq details p{font-size:15px;color:var(--hm-text);line-height:1.95;margin:0 0 22px}.hm-notice{padding:20px;background:#f8f6f0;color:var(--hm-text)}
.hm-footer{background:#f2f4ef;border-top:1px solid var(--hm-line)}.hm-footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr 1fr;gap:50px;padding-top:42px;padding-bottom:36px}.hm-footer-grid>div>p{font-size:14px;color:var(--hm-text);margin-top:18px}.hm-footer-grid strong{font-size:14px;font-weight:650;display:block;margin-bottom:12px}.hm-footer-grid nav{display:flex;flex-direction:column;font-size:14px}.hm-footer-grid nav>a{display:inline-flex;align-items:center}.ktp-home-rebuild .hm-footer .ktp-user-navigation{flex-direction:column;align-items:stretch;font-size:14px;margin:0;gap:0}.ktp-home-rebuild .hm-footer .ktp-user-link{justify-content:flex-start;padding:8px 0}.ktp-home-rebuild .hm-footer .ktp-user-primary{border:none}.hm-footer-bottom{border-top:1px solid #cdd9d1;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px 0;font-size:12px;color:var(--hm-text)}.hm-footer-bottom a{display:inline-flex;align-items:center}
@media(min-width:901px){.ktp-home-rebuild .hp-header-inner.ktp-has-user-navigation{flex-wrap:nowrap}.ktp-home-rebuild .hp-header-inner.ktp-has-user-navigation>.hp-nav{gap:26px}}
@media(max-width:1100px){.hm-wrap{width:calc(100% - 64px)}.hm-hero-grid{gap:35px}.hm-subject{padding:22px 18px 16px}.hm-subject-intro{min-height:108px}.hm-practice-panel{gap:45px}.hm-footer-grid{gap:28px}.ktp-home-rebuild .hp-nav{gap:20px}.ktp-home-rebuild .ktp-user-navigation{margin-left:auto;font-size:14px}.hm-price-grid article{padding:20px}.hm-price{font-size:25px}.hm-faq-grid,.hm-scope-grid{gap:45px}}
@media(max-width:900px){.hm-hero-grid{grid-template-columns:1fr 1fr;padding-top:46px;padding-bottom:48px;gap:28px}.ktp-home-rebuild h1{font-size:34px;letter-spacing:-1px}.hm-map{padding:23px}.hm-map-heading{font-size:25px}.hm-map-route{font-size:11px;gap:4px}.hm-inventory{gap:6px}.hm-inventory dt{font-size:11px}.hm-inventory dd{font-size:31px}.hm-desktop-break{display:none}.hm-subject-grid,.hm-price-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.hm-subject-intro{min-height:54px}.hm-subject:nth-child(3),.hm-price-grid article:nth-child(3){border-left:0}.hm-subject:nth-child(n+3),.hm-price-grid article:nth-child(n+3){border-top:1px solid var(--hm-line)}.hm-steps{gap:28px}.hm-practice-panel{padding:30px;gap:30px}.ktp-home-rebuild h2{font-size:26px}.hm-footer-grid{grid-template-columns:1fr 1fr;gap:32px}.ktp-home-rebuild .hp-header-inner.ktp-has-user-navigation{flex-wrap:wrap;gap:8px 18px;padding-top:17px;padding-bottom:0}.ktp-home-rebuild .hp-header-inner.ktp-has-user-navigation>.hp-nav{order:3;width:100%;margin:5px 0 0;justify-content:flex-start;gap:28px;border-top:1px solid #e1e7df;padding:5px 0}.ktp-home-rebuild .hp-header-inner>.ktp-user-navigation{order:2;margin-left:auto}}
@media(max-width:650px){.hm-wrap{width:calc(100% - 40px)}.hm-section{padding:42px 0}.hm-hero-grid{grid-template-columns:1fr;padding-top:35px;padding-bottom:38px;gap:34px}.ktp-home-rebuild h1{font-size:33px;line-height:1.5;margin-top:16px;letter-spacing:-1px}.hm-eyebrow{font-size:12px}.hm-lead{font-size:16px;margin-top:18px!important}.hm-actions{gap:17px;flex-wrap:wrap;margin-top:22px}.hm-button{padding:12px 17px;gap:15px;font-size:16px}.hm-text-link{font-size:16px;gap:10px}.hm-hero-note{font-size:13px}.hm-map{box-shadow:6px 6px 0 #e3e8df;padding:22px}.hm-map-heading{font-size:25px}.hm-map-route{font-size:12px;margin-top:18px}.hm-map-note{font-size:12px}.hm-inventory dd{font-size:34px}.hm-inventory dt{font-size:12px}.hm-section-head{display:block;margin-bottom:22px}.hm-section-head>p{font-size:16px;margin-top:14px}.hm-section-head>.hm-text-link{margin-top:12px}.ktp-home-rebuild h2{font-size:26px;letter-spacing:-.7px}.hm-subject-grid,.hm-price-grid{grid-template-columns:1fr}.hm-subject{padding:22px 23px 15px}.hm-subject+.hm-subject,.hm-price-grid article+article{border-left:0;border-top:1px solid var(--hm-line)}.hm-symbol{height:53px;position:absolute;right:23px;top:30px;font-size:30px;opacity:.8}.hm-subject h3{margin-top:15px;font-size:22px;max-width:78%}.hm-subject-intro{font-size:16px;min-height:0}.hm-subject-count{font-size:16px}.hm-availability{font-size:14px}.hm-subject-links{flex-direction:row;justify-content:space-between;gap:20px;flex-wrap:wrap}.hm-subject-links a{font-size:16px}.hm-mini-label{font-size:11px}.hm-section-note{font-size:13px}.hm-paper-section,.hm-membership,.hm-faq-section{padding-top:0}.hm-paper{grid-template-columns:44px minmax(0,1fr);gap:13px 17px;align-items:start;padding:23px 0}.hm-paper-mark{width:44px;height:61px;font-size:14px;margin-top:7px}.hm-paper-mark small{font-size:9px;margin-top:3px}.hm-paper-info h3{font-size:19px;line-height:1.8}.hm-paper-info h3 a{overflow-wrap:anywhere}.hm-paper-info>p:not(.hm-mini-label){font-size:14px}.hm-paper-links{grid-column:2;flex-direction:row;gap:20px;flex-wrap:wrap}.hm-paper-links a{font-size:16px;gap:12px}.hm-steps{grid-template-columns:1fr;gap:27px}.hm-steps li{display:grid;grid-template-columns:35px 1fr;gap:0 17px}.hm-step{grid-row:1/3;margin:0}.hm-steps h3{font-size:19px;min-height:35px;display:flex;align-items:center}.hm-steps p{grid-column:2;font-size:16px;margin-top:7px!important}.hm-inline-note{grid-template-columns:1fr;gap:6px;margin-top:26px;font-size:16px}.hm-practice-panel{grid-template-columns:1fr;padding:25px 22px;gap:27px}.hm-practice-intro{font-size:16px}.hm-practice-facts{border-left:0;border-top:1px solid #bacdc4;padding:22px 0 0}.hm-practice-facts h3{font-size:16px}.hm-practice-facts>p:not(.hm-sample-number){font-size:16px}.hm-sample-number span{font-size:14px;margin-left:12px}.hm-price-grid article{padding:24px}.hm-price{font-size:30px}.hm-price-grid h3{font-size:22px}.hm-price-grid article>p:last-child{font-size:16px}.hm-sales-note{font-size:16px}.hm-scope-grid,.hm-faq-grid{grid-template-columns:1fr;gap:24px}.hm-scope-grid{padding-top:32px}.hm-scope-copy>p{font-size:16px}.hm-scope-feedback{font-size:14px!important}.hm-faq summary{font-size:16px;padding-top:17px;padding-bottom:17px;line-height:1.9}.hm-faq details p{font-size:16px}.hm-footer-grid{grid-template-columns:1fr 1fr;gap:28px 22px;padding-top:32px;padding-bottom:28px}.hm-footer-grid>div:first-child{grid-column:1/-1}.hm-footer-grid>div:first-child>p{font-size:14px;margin-top:13px}.hm-footer-grid strong,.hm-footer-grid nav,.ktp-home-rebuild .hm-footer .ktp-user-navigation{font-size:16px}.hm-footer-account{grid-column:1/-1}.ktp-home-rebuild .hm-footer .ktp-user-navigation{flex-direction:row;flex-wrap:wrap;gap:20px}.hm-footer-bottom{flex-wrap:wrap;gap:4px 16px;padding-top:15px;padding-bottom:15px;font-size:12px}.hm-footer-bottom>span:nth-child(2){order:3;width:100%}.ktp-home-rebuild .hp-brand{font-size:23px;gap:7px}.ktp-home-rebuild .hp-brand-symbol{width:29px;height:29px}.ktp-home-rebuild .hp-brand small{font-size:9px;letter-spacing:2px}.ktp-home-rebuild .ktp-user-navigation{font-size:13px;gap:0!important}.ktp-home-rebuild .ktp-user-navigation .ktp-user-link{padding:8px 6px}.ktp-home-rebuild .ktp-user-navigation .ktp-user-primary{padding:8px 9px}.ktp-home-rebuild .hp-header-inner.ktp-has-user-navigation>.hp-nav{gap:0;justify-content:space-between}.ktp-home-rebuild .hp-nav{font-size:15px}.hm-footer .hp-brand{font-size:26px}}
@media(max-width:360px){.hm-wrap{width:calc(100% - 32px)}.ktp-home-rebuild h1{font-size:29px}.ktp-home-rebuild .hp-header-inner.ktp-has-user-navigation{gap:6px}.ktp-home-rebuild .hp-brand{font-size:21px}.ktp-home-rebuild .hp-brand-symbol{width:25px;height:25px}.ktp-home-rebuild .ktp-user-navigation{font-size:12px}.ktp-home-rebuild .ktp-user-navigation .ktp-user-link{padding:8px 5px}.ktp-home-rebuild .ktp-user-navigation .ktp-user-primary{padding:8px 7px}.hm-map{padding:20px}.hm-actions{gap:12px}.hm-subject{padding:20px}.hm-inventory dt{font-size:11px}.hm-subject-links{gap:7px 15px}.hm-subject-links a{font-size:15px}}
.ktp-home-rebuild .ktp-user-navigation .ktp-user-link{min-width:44px}
@media(prefers-reduced-motion:reduce){.ktp-home-rebuild *{scroll-behavior:auto!important;transition:none!important}}