:root{--ink:#173238;--muted:#758184;--bg:#f5f6f3;--green:#256e59;--line:#e4e8e3;--navy:#112d32}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,"Segoe UI","Microsoft YaHei",sans-serif;font-size:14px}button,input{font:inherit}button{cursor:pointer;border:0}button:disabled{cursor:not-allowed;opacity:.5}button:focus-visible,input:focus-visible{outline:3px solid #66b495;outline-offset:3px}a{color:inherit;text-decoration:none}svg{width:20px;height:20px;vertical-align:middle;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.shell{display:grid;grid-template-columns:232px 1fr;min-height:100vh}.sidebar{background:var(--navy);color:#c7d5d6;position:fixed;inset:0 auto 0 0;width:232px;padding:35px 22px;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:11px;color:#fff}.brand-mark{width:39px;height:39px;border:1px solid #678985;border-radius:12px;display:grid;place-items:center;transform:rotate(-7deg)}.brand strong{font-size:23px;letter-spacing:2px}.brand small{display:block;font-size:10px;letter-spacing:2.2px;margin-top:5px;color:#99b4b0}.side-label{font-size:10px;letter-spacing:2px;color:#75928f;margin:45px 14px 15px}.nav{display:flex;flex-direction:column;gap:7px}.nav button{background:transparent;color:#afc4c1;text-align:left;padding:14px 16px;border-radius:9px;display:flex;gap:13px;align-items:center}.nav button.active,.nav button:hover{background:#294a49;color:#e0f3e9}.side-bottom{margin-top:auto}.side-note{border:1px solid #385553;border-radius:12px;padding:17px;color:#afc5bf;font-size:12px;line-height:1.9;margin-bottom:24px}.side-note strong{display:block;color:#e0eee8;font-size:13px;margin:9px 0}.profile{border-top:1px solid #34504e;padding-top:22px;display:flex;gap:12px;align-items:center}.avatar{width:35px;height:35px;border-radius:50%;background:#d8eadd;color:#1a5141;display:grid;place-items:center;font-weight:700}.profile small{display:block;color:#7e9b94;font-size:11px;margin-top:4px}.main{grid-column:2;min-width:0}.topbar{height:83px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;padding:0 44px;background:#fafbf8}.crumb{font-size:12px;color:var(--muted)}.crumb b{color:var(--ink);font-weight:500;margin-left:12px}.top-right{display:flex;gap:20px;align-items:center;font-size:12px}.demo{padding:6px 10px;background:#fff1d7;color:#8a662b;border-radius:5px;font-size:11px}.content{max-width:1300px;margin:auto;padding:35px 44px 24px}.page-head{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:26px}.eyebrow{color:var(--green);font-size:10px;letter-spacing:2.5px;font-weight:600}.page-head h1{font-size:28px;font-weight:600;letter-spacing:1px;margin:9px 0}.page-head p{margin:9px 0 0;color:var(--muted);line-height:1.8;font-size:13px}.text-link{background:none;color:var(--green);font-size:12px;padding:8px 0}.hero{background:var(--navy);border-radius:16px;padding:32px 36px;color:white;position:relative;overflow:hidden;min-height:215px;display:flex;align-items:center;justify-content:space-between}.hero:after{content:'';position:absolute;right:-80px;top:-165px;width:530px;height:530px;border:1px solid #54716a;border-radius:50%;opacity:.35}.hero-text{position:relative;z-index:1}.hero .eyebrow{color:#91b9aa}.hero h2{font-size:30px;font-weight:500;letter-spacing:1px;line-height:1.5;margin:13px 0 12px}.hero h2 em{color:#a6d6bd;font-style:normal}.hero p{font-size:12px;color:#b0c7c1;margin:0;line-height:1.9}.hero-steps{display:flex;gap:15px;margin-top:25px;color:#c6ddd2;font-size:11px}.hero-steps span{display:flex;gap:7px;align-items:center}.hero-steps b{font-size:10px;border:1px solid #5b786e;border-radius:50%;width:20px;height:20px;display:grid;place-items:center}.hero-art{z-index:1;position:relative;width:210px;height:155px;margin-right:25px;flex-shrink:0}.paper{position:absolute;background:#e8eee2;width:126px;height:148px;left:35px;top:3px;transform:rotate(10deg);border-radius:7px;padding:18px;color:#1e4f46;box-shadow:0 12px 35px #001c2266}.paper:before{content:'CEQ';font-size:14px;font-weight:800;letter-spacing:3px}.paper-lines{height:60px;background:repeating-linear-gradient(to bottom,transparent 0 11px,#adbfad 12px 13px);margin-top:8px}.art-badge{position:absolute;bottom:0;left:0;background:#91bba5;color:#173f32;border:5px solid #183c3e;width:77px;height:77px;border-radius:50%;display:grid;place-items:center}.art-badge svg{width:30px;height:30px}.art-chip{position:absolute;right:-15px;top:25px;background:#365a52;color:#d5e6de;border:1px solid #628178;padding:11px 14px;border-radius:8px;font-size:11px;transform:rotate(-7deg)}.section-head{display:flex;justify-content:space-between;align-items:center;margin:29px 0 17px}.section-head h2{font-size:17px;margin:0;font-weight:600}.section-head small{color:var(--muted);font-size:11px}.tabs{display:flex;gap:5px;background:#e9ede7;border-radius:7px;padding:4px}.tabs button{padding:6px 12px;background:transparent;color:#6e7b74;border-radius:5px;font-size:11px}.tabs button.selected{background:white;color:var(--ink);box-shadow:0 1px 3px #19332112}.course-grid{display:grid;grid-template-columns:1fr 1fr;gap:21px}.course-card{border:1px solid var(--line);border-radius:13px;overflow:hidden;background:#fff}.course-top{background:#e6eee5;padding:23px 26px;display:flex;justify-content:space-between;align-items:center}.course-top.pet{background:#f8e6d9}.level-tag{font-size:10px;letter-spacing:1.5px;background:#fff9;padding:5px 8px;border-radius:4px;display:inline-block}.course-top h3{font-family:Georgia,serif;font-size:37px;font-weight:400;letter-spacing:1px;margin:9px 0 4px}.course-top p{color:#68786d;font-size:11px;margin:0}.level-icon{width:70px;height:70px;border-radius:50%;border:1px solid #abbfb066;display:grid;place-items:center;color:#52705a}.level-icon svg{width:34px;height:34px}.pet .level-icon{color:#ac7451;border-color:#c9a68c77}.course-body{padding:22px 26px}.subject{display:flex;gap:8px;margin-bottom:17px}.pill{padding:5px 9px;background:#f3f6f1;color:#67796c;font-size:10px;border-radius:4px}.course-body p{font-size:12px;line-height:1.9;color:var(--muted);margin:0 0 20px}.features{display:flex;gap:16px;font-size:11px;color:#586862;flex-wrap:wrap}.features svg{width:14px;height:14px;margin-right:4px}.course-bottom{border-top:1px solid var(--line);margin-top:21px;padding-top:18px;display:flex;align-items:center;justify-content:space-between}.price{font-size:25px;font-weight:600}.price small{font-size:11px;color:#89918b;font-weight:400}.price i{font-style:normal;font-size:15px}.btn{background:var(--green);color:white;padding:12px 20px;border-radius:7px;font-size:12px;display:inline-flex;gap:8px;align-items:center;justify-content:center;font-weight:500}.btn:hover{background:#1a5745}.btn svg{width:15px;height:15px}.btn.secondary{background:#edf3ec;color:var(--green)}.btn.outline{border:1px solid var(--line);background:white;color:var(--ink)}.btn.wide{width:100%}.subgrid{display:grid;grid-template-columns:1.2fr 1fr;gap:21px;margin-top:25px}.panel{background:white;border:1px solid var(--line);border-radius:12px;padding:23px}.panel h3{font-size:14px;margin:0 0 17px}.flow{display:flex;justify-content:space-between;gap:12px}.flow-item{flex:1}.flow-item b{font-size:11px;display:block;margin:10px 0 5px}.flow-item p{font-size:10px;color:var(--muted);margin:0;line-height:1.7}.flow-icon{width:32px;height:32px;border-radius:8px;background:#eef4eb;display:grid;place-items:center;color:#5d7861}.flow-icon svg{width:16px;height:16px}.tips{font-size:11px;line-height:2;color:#687870}.tips div{margin:7px 0;display:flex;gap:9px}.tips svg{width:15px;height:15px;margin-top:3px;flex-shrink:0}.footer{display:flex;justify-content:space-between;color:#909a92;font-size:10px;margin-top:25px;padding-bottom:5px}.modal-backdrop{position:fixed;inset:0;background:#08242380;z-index:50;display:flex;align-items:center;justify-content:center;padding:20px;backdrop-filter:blur(3px)}.modal{background:#fafbf8;border-radius:16px;width:460px;max-height:90vh;overflow:auto;padding:30px;box-shadow:0 20px 80px #001b3340}.modal h2{font-size:21px;margin:10px 0}.modal p{color:var(--muted);font-size:12px;line-height:1.8}.modal-top{display:flex;justify-content:space-between;align-items:center}.close{background:#e9eee7;width:30px;height:30px;border-radius:50%;font-size:20px;color:#536e59}.order-summary{padding:20px;background:#edf2e9;border-radius:10px;margin:22px 0;display:flex;justify-content:space-between;align-items:center}.order-summary strong{font-size:18px}.order-summary small{display:block;color:#7c897b;margin-top:6px;font-size:11px}.notice{background:#fff1d7;color:#88612c;padding:12px;border-radius:7px;font-size:11px;line-height:1.8;margin:15px 0}.checkline{display:flex;align-items:flex-start;gap:8px;font-size:11px;color:#69796c;line-height:1.8;margin:18px 0}.checkline input{accent-color:var(--green);margin-top:4px}.success-mark{width:63px;height:63px;border-radius:50%;background:#d9f0e5;color:var(--green);display:grid;place-items:center;margin:14px auto}.success-mark svg{width:30px;height:30px}.center{text-align:center}.empty{text-align:center;padding:65px 20px;background:white;border:1px solid var(--line);border-radius:12px}.empty p{color:var(--muted);line-height:1.8}.ticket{background:white;border:1px solid var(--line);border-radius:13px;padding:26px;display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:16px}.ticket h3{margin:8px 0;font-size:20px}.ticket p{font-size:12px;color:var(--muted);margin:10px 0;line-height:1.8}.status{font-size:11px;color:var(--green);background:#e8f2e9;padding:5px 8px;border-radius:4px}.ticket-actions{display:flex;flex-direction:column;gap:8px;flex-shrink:0}.meta{color:var(--muted);font-size:11px}.check-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:24px 0}.check-item{background:white;border:1px solid var(--line);border-radius:12px;padding:25px}.check-item svg{width:25px;height:25px;color:var(--green)}.check-item h3{font-size:15px}.check-item p{font-size:12px;color:var(--muted);line-height:1.9}.start-panel{background:#e9f0e6;padding:23px;border-radius:12px;display:flex;justify-content:space-between;align-items:center;gap:20px}.start-panel p{font-size:12px;color:#667961;line-height:1.8}.exam-header{background:var(--navy);color:white;padding:19px 30px;display:flex;align-items:center;justify-content:space-between;gap:18px}.exam-header strong{font-size:16px}.exam-header small{font-size:11px;color:#99b7ad;margin-left:12px}.timer{font-variant-numeric:tabular-nums;font-size:21px;letter-spacing:2px}.exam-wrap{max-width:1200px;margin:30px auto;padding:0 28px}.exam-toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.exam-tabs{display:flex;gap:15px}.exam-tabs button{padding:12px 18px;background:transparent;color:#86948c;border-bottom:2px solid transparent}.exam-tabs .selected{color:var(--green);border-color:var(--green)}.exam-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.material,.questions{background:white;border:1px solid var(--line);border-radius:12px;padding:30px;min-height:390px}.material h2{font-size:18px;margin:10px 0 20px}.material>p{font-size:13px;color:var(--muted);line-height:1.9}.reading-note{background:#f2ebd9;border-radius:5px;padding:32px;max-width:340px;margin:26px auto;color:#343f32;transform:rotate(-1deg);box-shadow:3px 5px 0 #e6dfcd;font-family:Georgia,serif;text-align:center;line-height:1.6}.reading-note h3{font-size:24px;margin:0 0 18px;font-weight:400}.reading-note p{font-size:16px}.reading-note .note-bottom{border-top:1px solid #cbc5ae;padding-top:17px;font-size:12px;letter-spacing:1px}.mail{background:#f7f9f4;transform:none;text-align:left}.mail h3{font-family:inherit;font-size:13px;background:#e5ebdf;padding:15px;margin:-32px -32px 25px}.longtext{font-family:Georgia,serif;line-height:1.9;font-size:17px;background:#f8f9f6;padding:25px}.qrow{margin-bottom:24px}.qrow h3{font-size:13px;line-height:1.8;font-weight:500;margin:0 0 12px}.option{display:flex;align-items:center;gap:12px;width:100%;background:white;border:1px solid #e3e8df;border-radius:7px;padding:12px 14px;text-align:left;margin:9px 0;color:#526456;font-size:12px;line-height:1.6}.option.selected{background:#edf5e9;border-color:#6b9b76;color:#245333}.optletter{width:23px;height:23px;display:grid;place-items:center;border:1px solid #dce3d6;border-radius:50%;font-size:10px;flex-shrink:0}.option.selected .optletter{background:var(--green);color:white;border-color:var(--green)}.exam-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:22px;gap:15px}.qnav{display:flex;gap:7px}.qnav button{width:32px;height:32px;border-radius:5px;background:white;border:1px solid var(--line);color:#7f8c80;font-size:11px}.qnav button.done{background:#dcebd7;color:#315938}.qnav button.current{border:2px solid var(--green)}.audio-card{background:#edf3e9;border-radius:12px;padding:30px;text-align:center;margin-top:25px}.wave{height:60px;display:flex;justify-content:center;gap:6px;align-items:center;margin:15px 0}.wave i{width:5px;background:#7ba485;border-radius:4px}.audio-card p{font-size:11px;color:var(--muted)}.playing .wave i{animation:pulse .7s ease-in-out infinite alternate}.playing .wave i:nth-child(2n){animation-delay:.3s}@keyframes pulse{to{height:10px}}.score-hero{background:var(--navy);color:white;border-radius:15px;padding:35px;display:flex;align-items:center;gap:35px}.score-circle{width:130px;height:130px;border:7px solid #78ad91;border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;flex-shrink:0}.score-circle b{font-size:36px;font-weight:500}.score-circle small{font-size:11px;color:#b9d4c4}.score-hero h2{font-size:24px;font-weight:500;margin:0 0 12px}.score-hero p{color:#abc6b9;font-size:12px;line-height:1.8}.score-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:24px 0}.score-grid b{font-size:28px;font-weight:500}.score-grid p{font-size:12px;color:var(--muted)}.bar{height:6px;background:#ebf0e7;border-radius:4px;overflow:hidden;margin-top:20px}.bar div{height:100%;background:#6b9c7a}.review{border-bottom:1px solid var(--line);padding:17px 0}.review:last-child{border:0}.review strong{font-size:13px}.review p{font-size:12px;color:var(--muted);line-height:1.8}.correct{color:#347452!important}.wrong{color:#ac6544!important}.faq{padding:23px;background:white;border:1px solid var(--line);border-radius:10px;margin:15px 0}.faq h3{font-size:15px;margin:0 0 10px}.faq p{font-size:13px;line-height:1.9;color:var(--muted);margin:0}#toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%);background:#173b31;color:white;padding:13px 23px;border-radius:8px;z-index:100;opacity:0;pointer-events:none;transition:opacity .2s;font-size:12px}#toast.show{opacity:1}.mobile-nav{display:none}.phone-note,.mobile-check{display:none}
@media(max-width:1100px){.sidebar{width:190px;padding:30px 16px}.shell{grid-template-columns:190px 1fr}.topbar{padding:0 28px}.content{padding:28px}.hero{padding:28px}.hero-art{margin-right:0;width:180px}.hero h2{font-size:25px}.features{gap:9px}.subgrid{grid-template-columns:1fr}.desktop-label{display:none}}
@media(max-width:760px){.shell{display:block}.sidebar{display:none}.topbar{height:65px;padding:0 20px}.crumb{font-size:14px;font-weight:600;color:var(--ink)}.crumb b{display:none}.top-right{gap:8px}.content{padding:24px 18px 90px}.page-head{align-items:flex-start}.page-head h1{font-size:24px}.page-head .text-link{display:none}.page-head p{font-size:12px}.hero{padding:26px 23px;min-height:240px;align-items:flex-start}.hero h2{font-size:25px}.hero-art{position:absolute;right:10px;bottom:18px;transform:scale(.55);transform-origin:bottom right;opacity:.75}.hero p{max-width:230px}.hero-steps{gap:9px;flex-wrap:wrap;max-width:220px;font-size:10px}.course-grid{grid-template-columns:1fr}.section-head{gap:10px}.section-head small{display:none}.course-top,.course-body{padding:22px}.subgrid{grid-template-columns:1fr;gap:15px}.panel{padding:20px}.footer{flex-direction:column;gap:9px;line-height:1.8}.mobile-nav{display:flex;position:fixed;bottom:0;left:0;right:0;height:68px;background:#fff;border-top:1px solid var(--line);z-index:10;justify-content:space-around;padding-bottom:env(safe-area-inset-bottom)}.mobile-nav button{flex:1;background:none;color:#8b968d;font-size:10px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px}.mobile-nav button.active{color:var(--green)}.phone-note{display:block;font-size:11px;color:#62765d;background:#edf3e8;padding:12px;border-radius:7px;line-height:1.8;margin-top:15px}.ticket{align-items:flex-start;flex-direction:column}.ticket-actions{width:100%;flex-direction:row}.ticket-actions .btn{flex:1}.check-grid{grid-template-columns:1fr}.start-panel{flex-direction:column;align-items:stretch}.desktop-check{display:none}.mobile-check{display:block}.exam-grid{grid-template-columns:1fr}.exam-header{padding:16px;flex-wrap:wrap}.exam-header small{display:none}.exam-wrap{padding:0 15px}.material,.questions{padding:22px;min-height:auto}.exam-bottom{flex-wrap:wrap}.score-hero{padding:25px;gap:20px}.score-circle{width:95px;height:95px;border-width:5px}.score-circle b{font-size:28px}.score-hero h2{font-size:18px}.score-grid{gap:12px}.modal{padding:24px}.flow{gap:10px}}
/* Keep the countdown at the centre of the viewport while scrolling. */
.exam-header{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);position:sticky;top:0;z-index:20;min-height:88px;box-shadow:0 3px 12px #0a252514}
.exam-countdown{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;min-width:140px;background:#274a46;border:1px solid #527669;border-radius:9px;padding:8px 22px}
.timer-label{font-size:10px;color:#bdd7c7;letter-spacing:2px}
.exam-countdown .timer{font-size:28px;line-height:1.1;font-weight:600;letter-spacing:3px;color:#e8f5e9}
.exam-submit{justify-self:end}
@media(max-width:1000px){.exam-header .brand small{display:none}}
@media(max-width:760px){.exam-header{padding:12px;gap:8px}.exam-header .brand strong{font-size:12px}.exam-countdown{min-width:110px;padding:7px 12px}.exam-countdown .timer{font-size:23px}.exam-submit .btn{padding:10px 12px}}
.reading-bw{background:white;color:#161616;font-family:Georgia,'Times New Roman',serif;font-size:17px;line-height:1.85;padding:20px;border:1px solid #b8b8b8;white-space:normal}.reading-bw h3{font-size:20px;margin:0 0 18px;font-weight:600}.reading-bw p{margin:0 0 16px}.reading-bw p:last-child{margin-bottom:0}.reading-bw.notice{text-align:center;border:2px solid #222;padding:32px}.reading-bw.email h3,.reading-bw.message h3{border-bottom:1px solid #555;padding-bottom:12px;font-family:Arial,sans-serif;font-size:14px}.reading-bw.article{border:0;padding:5px}.reading-bw.cloze{border:0;padding:5px}.field{display:block;font-size:12px;line-height:1.8;color:#58705d;margin:16px 0}.field input{display:block;width:100%;border:1px solid #d1ddce;border-radius:6px;padding:12px;background:white;color:#173238;margin-top:6px}.input-row{display:flex;gap:10px;align-items:center}.input-row input{min-width:0;flex:1}.input-row button{flex-shrink:0;margin-top:6px}.captcha-button{padding:0;background:transparent}.captcha-button img{width:120px;height:40px}.form-error{color:#a44d34;font-size:12px;line-height:1.8;margin:12px 0;min-height:20px}.part-scores{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin:22px 0}.part-scores b{font-size:22px;font-weight:500}.qrow{padding-top:18px;border-bottom:1px solid #edf0e8;padding-bottom:18px}.qnav{flex-wrap:wrap;max-width:680px}.exam-bottom{align-items:flex-start}.questions{max-height:calc(100vh - 215px);overflow:auto;position:sticky;top:160px}.urgent{color:#ffcc9b!important}.exam-tabs{gap:5px}.exam-tabs button{padding:12px 14px}.exam-wrap .material{min-height:470px}.exam-bottom>div:last-child{flex-shrink:0}@media(max-width:1000px){.exam-bottom{flex-wrap:wrap}.part-scores{grid-template-columns:repeat(3,1fr)}}@media(max-width:760px){.questions{position:static;max-height:none}.exam-tabs button{padding:10px 7px;font-size:11px}.exam-toolbar{gap:10px}.reading-bw{font-size:16px}.part-scores{grid-template-columns:repeat(2,1fr)}}