:root{--cam-bg:#f5f5f7;--cam-surface:#fff;--cam-text:#1d1d1f;--cam-muted:#6e6e73;--cam-line:rgba(0,0,0,.09);--cam-blue:#0071e3;--cam-blue-hover:#0077ed;--cam-radius:24px;--cam-shadow:0 12px 38px rgba(0,0,0,.07)}*{box-sizing:border-box}html{scroll-behavior:smooth}body.cam-ielts-site{margin:0;background:var(--cam-bg);color:var(--cam-text);font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","Segoe UI",Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}body.cam-ielts-site a{text-decoration:none}body.cam-ielts-site img{max-width:100%}.cam-shell{width:min(1120px,calc(100% - 40px));margin:0 auto}.cam-skip-link{position:fixed;left:15px;top:-100px;z-index:9999;padding:10px 14px;border-radius:10px;background:#1d1d1f;color:#fff}.cam-skip-link:focus{top:15px}.cam-header{position:sticky;top:0;z-index:100;height:66px;border-bottom:1px solid rgba(0,0,0,.06);background:rgba(250,250,252,.82);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px)}.cam-header-inner{height:100%;display:flex;align-items:center;justify-content:space-between}.cam-brand{display:inline-flex;align-items:center;gap:10px;color:#1d1d1f;font-size:15px;font-weight:700;letter-spacing:-.02em}.cam-brand img{width:34px;height:34px;border-radius:10px;box-shadow:0 3px 10px rgba(0,113,227,.2)}.cam-nav{display:flex;align-items:center;gap:25px}.cam-nav a{color:#515154;font-size:13px;font-weight:560}.cam-nav a:hover{color:#000}.cam-nav .cam-contact-link{padding:8px 14px;border-radius:999px;background:var(--cam-blue);color:#fff}.cam-nav .cam-contact-link:hover{background:var(--cam-blue-hover);color:#fff}.cam-library{padding:36px 0 84px;scroll-margin-top:75px}.cam-library-bar{position:sticky;top:78px;z-index:60;display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:22px;padding:9px 11px;background:rgba(255,255,255,.82);border:1px solid rgba(255,255,255,.9);border-radius:17px;box-shadow:0 8px 30px rgba(0,0,0,.055);backdrop-filter:saturate(180%) blur(18px);-webkit-backdrop-filter:saturate(180%) blur(18px)}.cam-segmented{display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:none}.cam-segmented::-webkit-scrollbar{display:none}.cam-segmented button{border:0;border-radius:11px;padding:9px 15px;background:transparent;color:#6e6e73;font-size:14px;font-weight:600;white-space:nowrap;cursor:pointer}.cam-segmented button:hover{color:#1d1d1f}.cam-segmented button.is-active{background:#1d1d1f;color:#fff;box-shadow:0 3px 10px rgba(0,0,0,.13)}.cam-result-count{padding-right:8px;color:#86868b;font-size:13px;white-space:nowrap}.cam-book-nav{display:flex;align-items:center;gap:8px;margin:0 0 28px;overflow-x:auto;scrollbar-width:none}.cam-book-nav::-webkit-scrollbar{display:none}.cam-book-nav>span{margin-right:4px;color:#86868b;font-size:13px}.cam-book-nav a{display:grid;place-items:center;min-width:38px;height:32px;padding:0 11px;border:1px solid var(--cam-line);border-radius:999px;background:rgba(255,255,255,.66);color:#424245;font-size:13px;font-weight:650}.cam-book-nav a:hover{background:#fff;border-color:rgba(0,0,0,.15)}.cam-book-list{display:grid;gap:26px}.cam-book-section{padding:29px;background:var(--cam-surface);border:1px solid rgba(0,0,0,.055);border-radius:var(--cam-radius);scroll-margin-top:148px}.cam-book-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:20px}.cam-book-heading h2{margin:0;font-size:31px;line-height:1.08;letter-spacing:-.04em}.cam-book-heading span{color:#86868b;font-size:13px}.cam-link-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.cam-test-link{position:relative;display:flex;align-items:center;min-height:86px;padding:14px 48px 14px 14px;border:1px solid var(--cam-line);border-radius:17px;background:#fbfbfd;color:var(--cam-text);transition:background .2s,border-color .2s,box-shadow .2s,transform .2s}.cam-test-link:hover{background:#fff;border-color:rgba(0,0,0,.14);box-shadow:0 9px 24px rgba(0,0,0,.07);transform:translateY(-2px)}.cam-test-icon{display:grid;place-items:center;width:46px;height:46px;flex:0 0 46px;margin-right:14px;border-radius:14px;background:#eef5ff;color:#0066cc}.cam-test-icon svg{width:23px;height:23px;fill:none;stroke:currentColor;stroke-width:1.65;stroke-linecap:round;stroke-linejoin:round}.cam-icon-reading{background:#f1f7ed;color:#397a25}.cam-icon-writing{background:#fff3e8;color:#ad5d00}.cam-icon-speaking{background:#f5efff;color:#7140b8}.cam-test-copy{min-width:0;display:block}.cam-test-copy strong{display:block;overflow:hidden;text-overflow:ellipsis;color:#1d1d1f;font-size:15px;line-height:1.35;font-weight:680;letter-spacing:-.012em;white-space:nowrap}.cam-test-copy small{display:flex;align-items:center;gap:6px;margin-top:5px;overflow:hidden;color:#86868b;font-size:12px;line-height:1.3;white-space:nowrap}.cam-test-copy small i{font-style:normal;color:#c1c1c6}.cam-arrow{position:absolute;right:17px;top:50%;transform:translateY(-52%);color:#86868b;font-size:29px;font-weight:300;transition:transform .2s,color .2s}.cam-test-link:hover .cam-arrow{color:var(--cam-blue);transform:translate(3px,-52%)}.cam-test-link.is-coming{opacity:.58;cursor:default}.cam-test-link.is-coming:hover{background:#fbfbfd;border-color:var(--cam-line);box-shadow:none;transform:none}.cam-coming-label{position:absolute;right:14px;top:50%;transform:translateY(-50%);padding:5px 8px;border-radius:7px;background:#ececef;color:#6e6e73;font-size:10px;font-weight:650}.cam-test-link[hidden],.cam-book-section[hidden]{display:none!important}.cam-empty,.cam-no-results{padding:70px 24px;text-align:center;background:#fff;border-radius:var(--cam-radius);border:1px solid var(--cam-line)}.cam-empty strong,.cam-no-results strong{display:block;font-size:22px;letter-spacing:-.025em}.cam-empty p{margin:8px 0 0;color:var(--cam-muted)}.cam-no-results button{margin-top:18px;border:0;border-radius:999px;padding:10px 17px;background:var(--cam-blue);color:#fff;font-weight:650;cursor:pointer}.cam-footer{padding:42px 0 32px;border-top:1px solid var(--cam-line);background:#f5f5f7}.cam-footer-top{display:flex;align-items:center;justify-content:space-between;gap:24px}.cam-brand-footer img{width:30px;height:30px;border-radius:9px}.cam-footer-top p{margin:0;color:#6e6e73;font-size:14px}.cam-footer-links{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:28px;padding:20px 0;border-top:1px solid var(--cam-line);border-bottom:1px solid var(--cam-line)}.cam-footer-links a{color:#515154;font-size:12px}.cam-footer-links a:hover{color:#000;text-decoration:underline}.cam-footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:19px;color:#86868b;font-size:11px}.cam-content-main{padding:58px 0 82px}.cam-content-card{padding:clamp(28px,5vw,66px);background:#fff;border:1px solid var(--cam-line);border-radius:30px;box-shadow:0 2px 2px rgba(0,0,0,.01)}.cam-content-card>header{max-width:820px;margin:0 auto 35px}.cam-content-card h1{margin:0;font-size:clamp(42px,6vw,68px);line-height:1;letter-spacing:-.055em}.cam-prose{max-width:820px;margin:0 auto;color:#3a3a3c;font-size:17px;line-height:1.72}.cam-prose h2{margin:2.1em 0 .55em;color:#1d1d1f;font-size:29px;line-height:1.15;letter-spacing:-.035em}.cam-prose h3{margin:1.7em 0 .5em;color:#1d1d1f}.cam-prose p,.cam-prose ul,.cam-prose ol{margin:0 0 1.1em}.cam-prose a{color:var(--cam-blue);text-decoration:underline;text-underline-offset:3px}.cam-contact-form-wrap{margin-top:28px}.cam-contact-form{padding:24px;border-radius:22px;background:#f5f5f7}.cam-form-grid{display:grid;grid-template-columns:1fr 1fr;gap:17px}.cam-form-grid label span{display:block;margin-bottom:7px;color:#3a3a3c;font-size:13px;font-weight:650}.cam-form-grid input,.cam-form-grid textarea{width:100%;border:1px solid rgba(0,0,0,.14);border-radius:12px;padding:12px 13px;background:#fff;color:#1d1d1f;font:inherit;outline:none}.cam-form-grid input:focus,.cam-form-grid textarea:focus{border-color:#0071e3;box-shadow:0 0 0 3px rgba(0,113,227,.14)}.cam-form-wide{grid-column:1/-1}.cam-primary-button{margin-top:18px;border:0;border-radius:999px;padding:12px 20px;background:var(--cam-blue);color:#fff;font-size:14px;font-weight:680;cursor:pointer}.cam-primary-button:hover{background:var(--cam-blue-hover)}.cam-form-notice{margin-bottom:16px;padding:13px 15px;border-radius:12px;font-size:14px}.cam-form-notice.is-success{background:#e5f5e9;color:#176b33}.cam-form-notice.is-error{background:#fff0f0;color:#9f1d1d}.cam-honeypot{position:absolute!important;left:-99999px!important}.cam-content-site .cam-footer{margin-top:0}@media(max-width:820px){.cam-link-grid{grid-template-columns:1fr}.cam-library-bar{align-items:flex-start;flex-direction:column}.cam-result-count{padding:0 8px 4px}.cam-footer-top,.cam-footer-bottom{align-items:flex-start;flex-direction:column}.cam-form-grid{grid-template-columns:1fr}.cam-form-wide{grid-column:auto}}@media(max-width:560px){.cam-shell{width:min(100% - 24px,1120px)}.cam-header{height:58px}.cam-brand span{font-size:14px}.cam-brand img{width:31px;height:31px}.cam-nav{gap:14px}.cam-nav a{font-size:12px}.cam-nav a:nth-child(2){display:none}.cam-nav .cam-contact-link{padding:7px 11px}.cam-library{padding-top:18px}.cam-library-bar{top:68px;padding:8px;border-radius:15px}.cam-segmented{width:100%}.cam-segmented button{padding:8px 12px}.cam-book-section{padding:20px 14px 14px;border-radius:20px}.cam-book-heading h2{font-size:25px}.cam-test-link{min-height:81px;padding:12px 39px 12px 12px;border-radius:15px}.cam-test-icon{width:43px;height:43px;flex-basis:43px;margin-right:11px;border-radius:12px}.cam-test-copy strong{font-size:14px}.cam-test-copy small{font-size:11px}.cam-arrow{right:13px}.cam-coming-label{display:none}.cam-content-main{padding:28px 0 52px}.cam-content-card{padding:27px 20px;border-radius:22px}.cam-content-card h1{font-size:42px}.cam-prose{font-size:16px}.cam-prose h2{font-size:25px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}