:root{--ink:#151c18;--green:#abeb76;--green-dark:#39844b;--paper:#f7f8f4;--muted:#7e857d;--line:#dfe4da}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:28px}body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;border:0;cursor:pointer}button,a{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #57a773;outline-offset:5px}::selection{background:var(--green);color:var(--ink)}.wrap{width:min(1320px,calc(100% - 96px));margin:auto}header{height:106px;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}.brand img{border-radius:12px}.brand>span{font-size:23px;font-weight:750;letter-spacing:-1px}.brand small{display:block;font-size:9px;font-weight:400;letter-spacing:.5px;margin-top:2px;color:#85907e}nav{display:flex;gap:31px;align-items:center;font-size:12px}nav a{position:relative;padding:10px 0}nav a:after{content:"";position:absolute;bottom:2px;left:0;width:0;height:2px;background:var(--green-dark);transition:width .2s}nav a:hover:after{width:100%}.nav-use{display:flex;align-items:center;gap:17px;padding:8px 8px 8px 19px;background:var(--ink);color:white;border-radius:30px;font-size:11px;white-space:nowrap}.nav-use>span{background:var(--green);color:var(--ink);width:30px;height:30px;border-radius:50%;display:grid;place-items:center;font-size:18px}.hero{display:grid;grid-template-columns:1fr 1.04fr;gap:35px;align-items:center;padding:18px 0 45px}.hero-copy{position:relative;padding:12px 0 7px}.eyebrow{display:flex;gap:8px;align-items:center;font-size:10px;color:#65725f;letter-spacing:.3px}.status-dot{display:inline-block;width:6px;height:6px;background:#5eaa54;border-radius:50%;flex-shrink:0}.eyebrow-line{width:20px;height:1px;background:#abb6a3;margin:0 4px}h1{font-size:clamp(60px,5.8vw,84px);line-height:1.13;letter-spacing:-4px;font-weight:800;margin:28px 0 23px;position:relative;white-space:nowrap}.green-word{color:var(--green-dark)}.headline-star{font-size:51px;color:var(--green-dark);display:inline-block;transform:rotate(-12deg);position:relative;top:-20px;margin-left:6px;font-weight:400}.hero-description{font-size:14px;line-height:1.9;color:#818b7c;margin:0 0 25px}.hero-actions{display:flex;align-items:center;gap:28px}.primary{display:flex;gap:29px;align-items:center;background:var(--ink);color:white;padding:17px 23px;border-radius:30px;font-size:12px;transition:background .2s,transform .2s}.primary>span{font-size:19px;color:var(--green)}.primary:hover{background:#2b3a2e;transform:translateY(-2px)}.text-link{display:flex;gap:15px;align-items:center;font-size:12px;border-bottom:1px solid #b7c0b0;padding:12px 0}.text-link>span{color:#6a8161}.hero-specs{display:flex;gap:11px;align-items:center;font-size:9px;color:#929a8c;margin-top:28px}.hero-specs i{width:2px;height:2px;background:#bbc3b6;border-radius:50%}.hero-poster{--poster-height:602px;height:var(--poster-height);position:relative;border-radius:28px 135px 28px 28px;overflow:hidden;background:#cfe4f5;isolation:isolate}.hero-art{width:100%;height:100%;object-fit:cover;object-position:100% center;display:block}.poster-label{position:absolute;left:23px;top:25px;padding:11px 15px;background:var(--ink);color:#f5f8f1;border-radius:30px;font-size:10px;display:flex;gap:8px;align-items:center;transform:rotate(-5deg)}.poster-label .status-dot{background:var(--green)}.hero-scan{position:absolute;bottom:22px;left:22px;background:white;border-radius:15px;padding:11px;display:flex;align-items:center;gap:12px;box-shadow:0 8px 30px #284b5920;transform:rotate(-3deg)}.hero-scan img{display:block;width:105px;height:105px}.hero-scan>div{padding-right:9px}.hero-scan strong{display:block;font-size:12px;font-weight:600}.hero-scan span{display:block;font-size:9px;color:#94a08b;margin-top:8px}.manifesto{display:flex;align-items:center;justify-content:space-between;gap:25px;background:var(--green);border-radius:18px;padding:27px 35px;margin-bottom:20px}.manifesto-symbol{font-size:42px;line-height:1;flex-shrink:0}.manifesto p{font-size:clamp(19px,2.25vw,31px);font-weight:600;letter-spacing:-1px;margin:0}.manifesto p>span{border-bottom:2px solid currentColor;padding-bottom:3px}.manifesto>a{width:42px;height:42px;display:grid;place-items:center;border:1px solid #17271c40;border-radius:50%;font-size:23px}.mobile-break{display:none}.section{padding:80px 0 5px}.section-head{display:flex;justify-content:space-between;align-items:end;gap:40px;margin-bottom:34px}.label{font-size:11px;font-weight:500;margin:0 0 20px;letter-spacing:.6px}.label>span{color:#98a38f;font-size:10px;margin-right:10px}h2{font-size:44px;line-height:1.35;letter-spacing:-2px;font-weight:650;margin:0}.section-intro{font-size:12px;line-height:1.9;color:#8a9483;margin:0 0 5px}.stage-rows{border-top:1px solid var(--line)}.stage-row{display:grid;grid-template-columns:300px 1fr auto 50px;gap:28px;align-items:center;border-bottom:1px solid var(--line);padding:29px 15px;transition:background .25s,border-radius .25s}.stage-row:hover,.stage-row:focus-within{background:#edf3e7;border-radius:15px}.stage-name{display:flex;align-items:center;gap:19px}.stage-index{font-size:9px;color:#9ca595;align-self:start;margin-top:5px}.stage-name h3{font-size:42px;letter-spacing:-2px;font-weight:600;margin:0}.stage-grade{font-size:10px;color:#899581}.stage-copy h4{font-size:15px;letter-spacing:-.4px;margin:0 0 8px;font-weight:600}.stage-copy p{font-size:11px;line-height:1.8;color:#909a88;margin:0}.stage-subjects{display:flex;gap:5px}.stage-subjects span{font-size:9px;padding:7px 9px;border:1px solid #dfe5d9;border-radius:20px;white-space:nowrap;color:#7d8a75}.stage-demo{width:46px;height:46px;border:1px solid #ccd6c4;border-radius:50%;background:transparent;font-size:25px;transition:background .2s,transform .2s}.stage-demo:hover,.stage-demo:focus-visible{background:var(--green);border-color:var(--green);transform:rotate(10deg)}.coverage-note{font-size:9px;color:#a0a994;margin:15px 3px 0;line-height:1.8}.product-grid{display:grid;grid-template-columns:1.12fr 1fr;grid-template-rows:280px 280px;gap:19px}.feature{border-radius:22px;position:relative;overflow:hidden;isolation:isolate}.feature-print{grid-row:span 2;background:#e9eee3;padding:34px}.feature-review{background:#1e2d25;color:#fff;padding:31px}.feature-retry{background:#e5eddf;padding:31px}.feature-text{position:relative;z-index:2}.feature-tag{font-size:9px;letter-spacing:1px;color:#7d9271}.feature h3{font-size:31px;line-height:1.3;letter-spacing:-1px;margin:15px 0 13px;font-weight:600}.feature p{font-size:11px;color:#8b9880;line-height:1.9;margin:0}.paper-scene{height:340px;width:100%;position:absolute;left:0;bottom:0;z-index:0}.mini-sheet{position:absolute;left:50%;top:38px;width:280px;height:330px;transform:translateX(-50%) rotate(-9deg);background:white;padding:27px;box-shadow:0 12px 35px #3d513514;z-index:1}.paper-back{position:absolute;left:50%;top:55px;width:280px;height:330px;transform:translateX(-44%) rotate(4deg);background:#fafcf6}.sheet-meta{font-size:8px;color:#92a08b;display:flex;justify-content:space-between}.mini-sheet h4{font-size:23px;letter-spacing:-1px;margin:18px 0 9px}.sheet-name{font-size:8px;color:#a0ac99;padding-bottom:17px;border-bottom:1px solid #e2e8dd}.tiny-question{font-size:9px;color:#97a48e;line-height:2.3;margin-top:15px}.tiny-question b{font-size:15px;color:#5e6c54;font-weight:400}.paper-lines{height:50px;background:repeating-linear-gradient(transparent 0,transparent 24px,#edf0e8 24px,#edf0e8 25px)}.format-sticker{position:absolute;top:80px;right:25px;background:var(--green);border:1px solid #97cf68;font-size:28px;font-weight:700;padding:16px 20px;line-height:1;z-index:2;transform:rotate(9deg);border-radius:13px;box-shadow:0 7px 20px #6e94591a}.format-sticker span{font-size:8px;font-weight:500;display:block;letter-spacing:1px;margin-top:7px}.paper-pencil{position:absolute;left:35px;bottom:26px;width:12px;height:195px;background:linear-gradient(90deg,#75aa4c 0%,#a3d86c 48%,#7caf50 50%);transform:rotate(21deg);border-radius:1px 1px 5px 5px;z-index:2}.paper-pencil:before{content:"";position:absolute;top:-27px;border-left:6px solid transparent;border-right:6px solid transparent;border-bottom:28px solid #ccb58b}.paper-pencil:after{content:"";position:absolute;top:-28px;border-left:2px solid transparent;border-right:2px solid transparent;border-bottom:8px solid #3b4f32;left:4px}.feature-foot{position:absolute;bottom:19px;left:27px;right:25px;font-size:9px;display:flex;justify-content:space-between;color:#7b8c70;z-index:3}.feature-foot>span{font-size:17px}.feature-review .feature-tag{color:#8b9e8a}.feature-review h3{font-size:31px}.feature-review p{font-size:10px;max-width:180px;color:#8d9e8e}.review-visual{position:absolute;right:-22px;bottom:0;width:55%;height:190px}.review-paper{position:absolute;width:210px;height:168px;right:12px;bottom:-17px;background:#f9faf6;border-radius:8px;padding:22px;color:#3d4d36;transform:rotate(-12deg);box-shadow:0 5px 30px #0001}.review-paper>span{font-size:9px;color:#8e9b85}.review-paper>div{font-size:23px;margin-top:21px;white-space:nowrap}.review-paper em{font-style:normal;color:#b5855d;position:relative}.review-paper em:after{content:"";position:absolute;inset:-5px -4px;border:1.5px solid #d9986b;border-radius:50%;transform:rotate(-12deg)}.review-paper p{font-size:8px;color:#c8956b;margin-top:13px}.review-check{position:absolute;background:var(--green);color:var(--ink);width:47px;height:47px;border-radius:50%;right:20px;top:-20px;font-size:30px;display:grid;place-items:center;transform:rotate(8deg)}.feature-retry .feature-text{max-width:60%}.feature-retry h3{margin-top:12px;font-size:29px}.feature-retry p{font-size:10px}.retry-visual{position:absolute;width:220px;height:200px;right:-18px;bottom:-10px}.retry-card,.retry-back{position:absolute;background:#fffefa;width:185px;height:139px;border:1px solid #d7e0cf;border-radius:12px;left:15px;top:38px;padding:20px;transform:rotate(12deg);box-shadow:0 9px 25px #5367480c}.retry-back{background:#c2d8ac;transform:rotate(-6deg);top:25px}.retry-card span{font-size:7px;color:#8c9b80;display:block}.retry-card strong{display:block;font-size:22px;font-weight:500;margin-top:20px;letter-spacing:1px}.retry-card small{display:block;font-size:8px;color:#99a58f;margin-top:12px}.retry-arrow{position:absolute;bottom:6px;right:24px;width:43px;height:43px;border-radius:50%;background:var(--ink);color:var(--green);display:grid;place-items:center;font-size:29px;transform:rotate(8deg)}.workshop{margin-top:80px;padding:58px 50px 52px;background:#17231b;color:#fff;border-radius:25px;display:grid;grid-template-columns:1fr 1.06fr;gap:60px;align-items:center;overflow:hidden}.workshop .label{color:#d3dfca}.workshop .label>span{color:#78916a}.workshop h2{font-size:38px;line-height:1.4;letter-spacing:-1.5px}.workshop h2 span{color:var(--green)}.workshop-copy>p:not(.label){font-size:12px;line-height:1.9;color:#8d9d86;margin:21px 0}.stage-tabs{display:flex;gap:24px;margin:25px 0 17px;border-bottom:1px solid #384733;padding-bottom:12px;max-width:300px}.stage-tabs button{padding:0 3px;background:transparent;color:#75896d;font-size:12px;position:relative}.stage-tabs button[aria-selected=true]{color:var(--green)}.stage-tabs button[aria-selected=true]:after{content:"";height:2px;background:var(--green);position:absolute;bottom:-13px;left:0;right:0}.subject-tabs{display:flex;gap:7px}.subject-tabs button{font-size:10px;background:transparent;color:#8f9f88;border:1px solid #3a4b33;padding:8px 17px;border-radius:30px}.subject-tabs button[aria-selected=true]{background:var(--green);border-color:var(--green);color:#17231b}.sample-link{display:flex;gap:23px;align-items:center;background:transparent;padding:0 0 7px;border-bottom:1px solid #506245;color:#dbe8d2;font-size:10px;margin-top:24px}.sample-link span{font-size:17px;color:var(--green)}.sample-stage{position:relative;padding:25px 8px 13px}.sample-star{position:absolute;right:-24px;top:-33px;font-size:96px;line-height:1;color:var(--green);transform:rotate(12deg);z-index:0}.exercise-preview{background:#fffef8;color:#273b24;position:relative;border-radius:4px;padding:30px 27px;min-height:305px;transform:rotate(3deg);box-shadow:8px 10px 0 #ffffff18}.exercise-head{display:flex;justify-content:space-between;font-size:9px;color:#9ba68f;border-bottom:1px solid #e1e7d9;padding-bottom:17px;gap:15px}.exercise-preview h3{font-size:19px;font-weight:500;line-height:1.6;letter-spacing:-.6px;margin:23px 0 15px}.exercise-question{font-size:11px;line-height:2;color:#8b977f;min-height:46px}.answer-lines{height:72px;background:repeating-linear-gradient(transparent 0,transparent 34px,#e7ecdf 34px,#e7ecdf 35px);margin-top:6px}.sample-footer{display:flex;justify-content:space-between;font-size:8px;color:#a8b29e;margin-top:18px}.sample-note{font-size:8px;color:#708367;margin:27px 0 0;text-align:right}.companions{padding-bottom:65px}.role-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.role-grid article{background:#edf1e7;border:1px solid #e3e9dc;padding:29px 34px;border-radius:20px;position:relative;overflow:hidden}.role-grid article+article{background:#f0f1ec}.role-tag{font-size:10px;border:1px solid #c5d0bb;border-radius:30px;padding:5px 11px;display:inline-block;color:#7f8e73}.role-grid h3{font-size:29px;line-height:1.4;letter-spacing:-1px;font-weight:600;margin:20px 0 18px}.role-grid p{font-size:11px;color:#8f9a84;line-height:1.9;margin:0}.role-symbol{font-size:110px;font-weight:300;position:absolute;right:28px;top:71px;color:#b0c29f;transform:rotate(-15deg)}.role-grid article+article .role-symbol{color:#cad2c0}.faq-section{display:grid;grid-template-columns:.85fr 1.15fr;gap:85px;border-top:1px solid var(--line);padding:45px 0 75px}.faq-heading h2{font-size:35px}.faq-list details{border-bottom:1px solid var(--line);padding:20px 0}.faq-list details:first-child{padding-top:2px}.faq-list summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:15px;font-size:12px;line-height:1.8;font-weight:500}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary>span{font-size:19px;font-weight:400;color:#92a085;transition:transform .2s}.faq-list details[open] summary>span{transform:rotate(45deg);color:var(--green-dark)}.faq-list p{font-size:11px;line-height:1.95;color:#929e87;margin:15px 30px 0 0}.closing{padding:43px 55px;background:var(--green);border-radius:25px;display:flex;justify-content:space-between;align-items:center;gap:50px;position:relative;overflow:hidden}.closing .label{font-size:10px;margin-bottom:20px;color:#4c7739}.closing h2{font-size:67px;font-weight:650;line-height:1.17;letter-spacing:-3px}.closing h2 span{font-weight:400;margin-left:20px;font-size:60px}.closing>div>p:not(.label){font-size:11px;color:#658a4e;line-height:1.9;margin:23px 0 0}.closing-scan{padding:15px 18px 13px;border-radius:18px;background:#fffef9;display:flex;flex-direction:column;align-items:center;transform:rotate(3deg);box-shadow:0 8px 25px #33581c0b}.closing-scan img{width:174px;height:174px;display:block}.closing-scan strong{font-size:11px;font-weight:500;margin-top:10px}.closing-scan a{font-size:9px;color:#8ba07c;margin-top:9px;padding:6px 8px;border-bottom:1px solid #e6eddf}footer{display:flex;justify-content:space-between;align-items:center;padding:33px 0 38px;font-size:10px;color:#8d9983;gap:25px}.footer-brand{display:flex;gap:10px;align-items:center;font-size:12px;font-weight:600;color:#4c5e41}.footer-brand img{border-radius:8px}.footer-brand span{font-size:9px;color:#9da791;font-weight:400;margin-left:8px}footer>div{display:flex;gap:23px}
/* Native dialogs and the paper-only print view. */
dialog{border:1px solid #e5eadc;padding:32px;width:min(460px,calc(100% - 30px));border-radius:22px;color:var(--ink);box-shadow:0 25px 120px #101c1530;background:#fbfcf8}dialog::backdrop{background:#17221980;backdrop-filter:blur(8px)}.close{position:absolute;right:14px;top:12px;background:#edf1e7;border-radius:50%;width:29px;height:29px;font-size:20px;color:#7d8b72}.wechat-dialog{text-align:center;width:min(430px,calc(100% - 30px));padding:32px 30px 25px}.dialog-brand{display:flex;gap:10px;align-items:center;justify-content:center;margin:0 0 23px}.dialog-brand img{border-radius:12px}.dialog-brand>span{font-size:20px;font-weight:600;text-align:left}.dialog-brand small{display:block;font-size:9px;font-weight:400;color:#9ca78f;margin-top:4px}dialog h2{font-size:27px;line-height:1.4;margin:0 0 13px;letter-spacing:-1px}.wechat-dialog>p{font-size:11px;color:#8a9a7c}.modal-qr{margin:20px auto 14px;width:248px;padding:12px;background:#fff;border:1px solid #e9eee2;border-radius:18px}.modal-qr img{display:block;width:224px;height:224px}.save-code{display:inline-block;font-size:11px;padding:10px 18px;background:var(--green);border-radius:25px;color:#294522}.modal-foot{font-size:9px!important;color:#9ca98e!important;line-height:1.9;margin-top:20px;margin-bottom:0}.sample-dialog{width:min(620px,calc(100% - 30px))}.sample-dialog h2{font-size:24px}.print-paper{border:1px solid #e5ebdd;background:#fffefa;padding:25px;margin:20px 0}.print-paper h3{font-size:22px;text-align:center;font-weight:500}.print-meta{font-size:11px;color:#8a987c;text-align:center;border-bottom:1px solid #e5ebdd;padding:10px 0 19px}.print-q{font-size:12px;line-height:1.9;margin:25px 0;min-height:65px}.print-foot{font-size:9px;color:#a0ac94;text-align:center}
@media(min-width:1600px){.hero{gap:55px}h1{font-size:84px}.hero-poster{--poster-height:625px;height:var(--poster-height)}}
@media(max-width:1150px){.wrap{width:calc(100% - 64px)}header{height:94px}nav{gap:20px}.hero{gap:24px}.hero-poster{--poster-height:570px;height:var(--poster-height);border-top-right-radius:105px}h1{font-size:64px;letter-spacing:-3px}.headline-star{font-size:39px;margin-left:3px;top:-16px}.hero-description{font-size:12px}.hero-specs{font-size:8px;gap:7px}.eyebrow{font-size:8px;gap:6px}.hero-actions{gap:20px}.hero-actions .primary{font-size:11px;padding:16px 19px;gap:21px}.hero-scan{padding:9px;gap:7px}.hero-scan img{width:93px;height:93px}.hero-scan strong{font-size:10px}.hero-scan span{font-size:8px}.hero-scan>div{padding-right:4px}.stage-row{grid-template-columns:240px 1fr 46px;gap:23px;padding-left:10px;padding-right:10px}.stage-subjects{display:none}.stage-name{gap:15px}.stage-name h3{font-size:37px}.stage-copy p{font-size:10px}.stage-copy h4{font-size:13px}h2{font-size:38px}.section-intro{font-size:11px}.product-grid{grid-template-rows:265px 265px;gap:16px}.feature-print{padding:28px}.feature h3{font-size:27px}.feature-review,.feature-retry{padding:26px}.feature-review h3{font-size:27px}.feature-retry h3{font-size:26px}.feature-review p{max-width:160px;font-size:9px}.review-visual{right:-44px;bottom:-7px}.review-paper{width:185px;padding:19px}.review-paper>div{font-size:20px}.review-check{right:34px;width:39px;height:39px;font-size:24px;top:-9px}.retry-visual{right:-40px;width:185px}.retry-card,.retry-back{width:160px;padding:16px}.retry-card strong{font-size:20px}.retry-arrow{right:27px}.feature-retry p{font-size:9px}.mini-sheet,.paper-back{width:245px}.mini-sheet{padding:22px}.format-sticker{right:14px;font-size:24px;padding:15px}.paper-pencil{left:28px}.workshop{gap:34px;padding:42px 35px}.workshop h2{font-size:32px}.exercise-preview{padding:24px 22px}.exercise-preview h3{font-size:17px}.exercise-question{font-size:10px}.role-grid article{padding:27px}.role-grid h3{font-size:26px}.role-symbol{font-size:85px;right:22px;top:90px}.role-grid p{font-size:10px}.faq-section{gap:50px}.faq-heading h2{font-size:31px}.closing{padding:40px}.closing h2{font-size:57px}.closing h2 span{font-size:51px}}
@media(max-width:800px){.wrap{width:calc(100% - 40px)}header{height:83px;gap:15px}.brand>span{font-size:21px}.brand img{width:35px;height:35px;border-radius:11px}.brand small{font-size:8px}nav{display:none}.nav-use{font-size:10px;padding-left:15px;gap:13px}.nav-use>span{width:27px;height:27px;font-size:16px}.hero{grid-template-columns:1fr;gap:25px;padding:22px 0 24px}.hero-copy{padding:0 4px}.eyebrow{font-size:9px;gap:8px}.eyebrow-line{width:18px}.hero h1{font-size:clamp(59px,10.6vw,80px);letter-spacing:-3px;line-height:1.12;margin:22px 0 20px}.headline-star{font-size:40px;top:-18px;margin-left:9px}.hero-description{font-size:12px;line-height:1.85;margin-bottom:23px}.hero-actions{gap:23px}.hero-actions .primary{padding:15px 19px;font-size:11px;gap:25px}.text-link{font-size:11px;gap:13px}.hero-specs{font-size:8px;gap:10px;margin-top:22px}.hero-poster{--poster-height:410px;height:var(--poster-height);border-radius:22px 110px 22px 22px}.hero-art{object-position:100% center}.poster-label{left:18px;top:20px;padding:10px 13px;font-size:9px}.hero-scan{left:15px;bottom:17px;padding:9px;gap:9px;border-radius:12px}.hero-scan img{width:87px;height:87px}.hero-scan strong{font-size:10px}.hero-scan span{font-size:8px}.manifesto{padding:23px 22px;border-radius:16px;gap:15px;margin-bottom:0}.manifesto-symbol{font-size:31px}.manifesto p{font-size:21px;line-height:1.5;letter-spacing:-.8px}.manifesto>a{width:32px;height:32px;font-size:19px;flex-shrink:0}.mobile-break{display:block}.section{padding:52px 0 0}.section-head{gap:20px;display:block;margin-bottom:26px}.label{font-size:10px;margin-bottom:17px}.label>span{font-size:9px;margin-right:9px}h2{font-size:32px;line-height:1.35;letter-spacing:-1.3px}.section-intro{font-size:10px;margin:17px 0 0;line-height:1.85}.stage-row{grid-template-columns:1fr 40px;gap:14px;padding:23px 3px}.stage-name{gap:13px}.stage-name h3{font-size:35px;letter-spacing:-1.5px}.stage-index{font-size:8px}.stage-grade{font-size:9px;margin-left:4px}.stage-copy{grid-column:1;grid-row:auto;padding-left:27px;margin-top:-2px}.stage-copy h4{font-size:12px;margin-bottom:6px}.stage-copy p{font-size:9px;max-width:265px;line-height:1.85}.stage-demo{grid-column:2;grid-row:1 / span 2;width:38px;height:38px;font-size:22px}.coverage-note{font-size:8px;line-height:1.8;margin-top:12px}.product-grid{grid-template-columns:1fr;grid-template-rows:490px 252px 252px;gap:14px}.feature{border-radius:20px}.feature-print{grid-row:auto;padding:28px}.feature h3{font-size:29px}.feature p{font-size:10px}.paper-scene{height:300px}.mini-sheet,.paper-back{width:238px;height:300px}.mini-sheet{padding:22px;top:34px}.paper-back{top:48px}.mini-sheet h4{font-size:21px}.paper-pencil{left:32px;height:165px;bottom:21px}.format-sticker{right:17px;top:76px;font-size:24px}.feature-foot{font-size:8px;left:22px;bottom:15px}.feature-review,.feature-retry{padding:26px}.feature-review h3{font-size:29px}.feature-review p{max-width:162px;font-size:10px}.review-visual{right:-23px;width:52%;height:170px;bottom:-5px}.review-paper{width:187px;right:10px;bottom:-14px;height:155px;padding:18px}.review-paper>div{font-size:20px}.review-check{right:27px;top:-20px;width:37px;height:37px;font-size:24px}.feature-retry h3{font-size:28px}.feature-retry p{font-size:10px}.retry-visual{width:185px;right:-19px;bottom:-9px;height:183px}.retry-card,.retry-back{width:160px;height:133px;padding:17px}.retry-card strong{font-size:19px}.retry-arrow{width:37px;height:37px;font-size:25px;right:24px;bottom:5px}.workshop{grid-template-columns:1fr;margin-top:53px;padding:29px 25px 28px;gap:24px;border-radius:21px}.workshop h2{font-size:30px;letter-spacing:-1px}.workshop-copy>p:not(.label){font-size:11px;margin:17px 0}.stage-tabs{margin:22px 0 16px;max-width:none;gap:29px}.stage-tabs button{font-size:11px}.subject-tabs button{font-size:10px;padding:8px 17px}.sample-link{font-size:10px;margin-top:19px}.sample-stage{padding:20px 3px 6px}.sample-star{font-size:70px;right:-13px;top:-19px}.exercise-preview{padding:25px 22px;transform:rotate(2deg);min-height:280px}.exercise-preview h3{font-size:16px;margin:22px 0 15px}.exercise-question{font-size:10px;line-height:2}.exercise-head{font-size:8px}.sample-footer{font-size:7px}.sample-note{font-size:7px;margin-top:23px}.companions{padding-bottom:45px}.role-grid{grid-template-columns:1fr;gap:13px}.role-grid article{padding:26px}.role-grid h3{font-size:27px;margin-top:18px}.role-grid p{font-size:10px}.role-symbol{right:23px;top:74px;font-size:85px}.role-tag{font-size:9px}.faq-section{grid-template-columns:1fr;gap:24px;padding:32px 0 45px}.faq-heading h2{font-size:30px}.faq-list details{padding:18px 0}.faq-list summary{font-size:11px;gap:15px}.faq-list p{font-size:10px;line-height:1.95;margin-top:13px;margin-right:16px}.closing{padding:30px 25px;flex-direction:column;align-items:start;gap:31px;border-radius:21px}.closing .label{font-size:9px;margin-bottom:18px}.closing h2{font-size:49px;letter-spacing:-2px}.closing h2 span{font-size:43px;margin-left:12px}.closing>div>p:not(.label){font-size:10px;line-height:1.9;margin-top:19px}.closing-scan{align-self:center;padding:14px 17px 11px;transform:rotate(2deg);border-radius:15px}.closing-scan img{width:165px;height:165px}.closing-scan strong{font-size:10px}.closing-scan a{font-size:9px}footer{padding:25px 0 28px;display:block}.footer-brand{gap:9px;font-size:11px}.footer-brand span{font-size:8px;margin-left:5px}footer>div{margin-top:20px;font-size:9px;gap:21px}.wechat-dialog{padding:28px 20px 23px}.wechat-dialog h2{font-size:25px}.modal-qr{width:236px;padding:12px}.modal-qr img{width:212px;height:212px}.dialog-brand{margin-bottom:21px}.sample-dialog{padding:28px 18px}.print-paper{padding:15px}.print-paper h3{font-size:19px}.print-meta{font-size:9px}.print-q{font-size:11px}}
@media(min-width:520px) and (max-width:800px){.hero{grid-template-columns:1fr 1fr;gap:22px}.hero h1{font-size:47px;letter-spacing:-2px}.headline-star{display:none}.hero-poster{--poster-height:510px;height:var(--poster-height);border-top-right-radius:85px}.eyebrow{font-size:7px;gap:5px}.eyebrow-line{display:none}.hero-actions{gap:16px;flex-wrap:wrap}.hero-specs{font-size:7px;gap:6px;flex-wrap:wrap}.hero-description{font-size:11px}.hero-scan{left:12px;bottom:14px}.hero-scan img{width:77px;height:77px}.hero-scan>div{display:none}.hero-copy{padding-left:0}.manifesto p{font-size:25px}.mobile-break{display:none}.manifesto-symbol{font-size:36px}.product-grid{grid-template-columns:1fr 1fr;grid-template-rows:480px 255px}.feature-print{grid-column:1 / -1}.paper-scene{left:auto;right:0;width:65%;height:370px}.feature-print .feature-text{max-width:48%}.feature-print h3{font-size:33px}.feature-print .mini-sheet{width:270px;height:350px;top:20px}.feature-print .paper-back{width:270px;height:350px;top:35px}.feature-print .format-sticker{top:68px}.feature-print .feature-foot{right:32px;bottom:22px}.feature-review,.feature-retry{padding:23px}.feature-review h3,.feature-retry h3{font-size:24px}.feature-review p,.feature-retry p{font-size:9px}.review-visual{width:70%;right:-42px;height:132px}.review-paper{width:157px;height:122px;padding:14px}.review-paper>div{font-size:16px;margin-top:16px}.review-paper p{font-size:6px}.review-check{top:-21px;right:40px}.retry-visual{right:-27px;height:132px;width:160px}.retry-card,.retry-back{width:135px;height:112px;padding:14px;top:17px}.retry-card strong{font-size:17px;margin-top:14px}.retry-card small{font-size:7px}.retry-arrow{bottom:4px;right:22px}.feature-retry .feature-text{max-width:100%}.role-grid{grid-template-columns:1fr 1fr}.role-grid h3{font-size:24px}.role-grid p{font-size:9px}.role-symbol{display:none}}
@media(max-width:360px){.wrap{width:calc(100% - 32px)}.brand small{font-size:7px}.brand>span{font-size:19px}.brand img{width:32px;height:32px}.nav-use{font-size:9px;padding-left:12px;gap:10px}.nav-use>span{width:25px;height:25px}.hero h1{font-size:54px;letter-spacing:-3px}.headline-star{display:none}.eyebrow{font-size:8px;gap:6px}.eyebrow-line{width:12px}.hero-actions{gap:19px}.hero-actions .primary{font-size:10px;padding:15px 17px;gap:20px}.text-link{font-size:10px;gap:11px}.hero-specs{gap:7px;font-size:7px}.hero-poster{--poster-height:330px;height:var(--poster-height)}.hero-scan img{width:80px;height:80px}.hero-scan strong{font-size:9px}.hero-scan span{font-size:7px}.manifesto{padding:22px 18px;gap:12px}.manifesto-symbol{font-size:28px}.manifesto p{font-size:18px}.manifesto>a{width:29px;height:29px;font-size:17px}h2{font-size:29px}.stage-copy p{font-size:8px}.feature-review p,.feature-retry p{font-size:9px}.review-visual{right:-46px}.retry-visual{right:-38px}.feature-print{padding:25px}.mini-sheet,.paper-back{width:220px}.format-sticker{right:11px;padding:13px}.closing h2{font-size:43px}.closing h2 span{font-size:38px;margin-left:6px}.footer-brand span{margin-left:2px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}@media print{body>*{display:none!important}body>dialog[open]{display:block!important;position:static;width:100%;max-width:none;border:0;box-shadow:none;padding:0;background:white}.sample-dialog>*:not(.print-paper){display:none!important}.print-paper{border:0;margin:0;background:white}.print-q{min-height:150px;font-size:15px}.print-paper h3{font-size:28px}dialog::backdrop{background:white}}

.hero-visual{margin:0;min-width:0}
.poster-labels{position:absolute;top:25px;left:23px;z-index:2;display:flex;align-items:center;gap:10px}
.poster-labels .poster-label{position:static;white-space:nowrap;transform:rotate(-5deg)}
.hero-scan{z-index:2;gap:0}
.art-note{position:absolute;bottom:10px;right:14px;font-size:6px;color:#536b7680}
@media(max-width:800px){.poster-labels{top:20px;left:18px;gap:8px}}



footer{display:block;padding-bottom:25px}.footer-top{display:flex;justify-content:space-between;align-items:center;margin-top:0}.footer-links{display:flex;gap:23px}.footer-legal{display:flex;flex-direction:column;align-items:center;gap:7px;margin-top:25px;border-top:1px solid var(--line);padding-top:21px;color:#75816c;font-size:11px;line-height:1.8;text-align:center}.footer-legal p{margin:0}.footer-legal a{color:#637257}.footer-legal a:hover{text-decoration:underline;text-underline-offset:3px}@media(max-width:800px){.footer-top{display:block;margin-top:0}.footer-links{margin-top:20px;font-size:9px;gap:21px}.footer-legal{margin-top:23px;padding-top:18px;gap:7px;font-size:10px}}

.footer-legal .police-filing{display:inline-flex;align-items:center;justify-content:center;gap:5px}.police-filing img{display:block;width:16px;height:16px;object-fit:contain;flex-shrink:0}

/* Readable copy: consistent body sizes and stronger text contrast. */
body{font-size:16px}
.brand small{font-size:12px;color:#65725f;line-height:1.5}
nav,.nav-use{font-size:14px}
.eyebrow{font-size:13px;color:#52634a;flex-wrap:wrap;row-gap:6px}
.hero-description{font-size:18px;line-height:1.85;color:#58694f}
.hero-specs{font-size:13px;line-height:1.8;color:#6d7a64;flex-wrap:wrap;row-gap:5px}
.hero-actions{flex-wrap:wrap;row-gap:15px}
.primary,.hero-actions .primary{font-size:16px}
.text-link{font-size:15px;color:#405438}
.poster-label{font-size:13px}
.art-note{font-size:10px;color:#486267}
.label,.label>span{font-size:14px;color:#65785b}
.section-intro{font-size:16px;line-height:1.85;color:#637357}
.stage-row{padding-top:32px;padding-bottom:32px}
.stage-index{font-size:13px;color:#718365}
.stage-grade{font-size:14px;color:#637456;line-height:1.7}
.stage-copy h4{font-size:18px;line-height:1.6}
.stage-copy p{font-size:16px;line-height:1.85;color:#637357}
.stage-subjects span{font-size:13px;color:#5e7351}
.coverage-note{font-size:13px;line-height:1.85;color:#718166}
.product-grid{grid-template-rows:minmax(320px,auto) minmax(320px,auto)}
.feature-tag{font-size:13px;color:#5d764f}
.feature-text>p{font-size:16px;line-height:1.85;color:#5d7250}
.feature-review .feature-text{max-width:58%}
.feature-review .feature-tag{color:#c4d3bc}
.feature-review .feature-text>p{font-size:16px;line-height:1.85;max-width:none;color:#bdcdb5}
.feature-retry .feature-text>p{font-size:16px;line-height:1.85;color:#5a704b}
.feature-foot{font-size:13px;color:#5b714d}
.review-visual{width:43%}
.sheet-meta,.sheet-name{font-size:12px;color:#6b7d5c;gap:12px;line-height:1.7}
.tiny-question{font-size:13px;color:#6b7d5c;line-height:1.9}
.format-sticker span{font-size:12px;letter-spacing:.5px}
.review-paper>span{font-size:12px;color:#6a7d5b}
.review-paper p{font-size:12px;color:#9d633d;line-height:1.6}
.retry-card span,.retry-card small{font-size:12px;color:#6a7d5b;line-height:1.6}
.workshop{gap:50px}
.workshop .label{font-size:14px;color:#d3dfca}
.workshop .label>span{color:#b9c9ae}
.workshop-copy>p:not(.label){font-size:16px;line-height:1.85;color:#bdcdb5}
.stage-tabs button{font-size:16px;color:#b4c7a9;line-height:1.5}
.subject-tabs button{font-size:15px;color:#bdceb3;padding:10px 20px}
.sample-link{font-size:15px;line-height:1.6}
.exercise-head{font-size:13px;line-height:1.7;color:#697d5a}
.exercise-preview h3{font-size:22px;line-height:1.6;font-weight:500}
.exercise-question{font-size:16px;line-height:1.9;color:#5e744e}
.exercise-preview{min-height:350px}
.sample-footer{font-size:12px;color:#6f825f;line-height:1.7;gap:15px}
.sample-note{font-size:13px;color:#b7c8aa;line-height:1.8}
.role-tag{font-size:14px;color:#536b46}
.role-grid p{font-size:16px;line-height:1.85;color:#607450}
.role-symbol{top:28px;right:25px;font-size:58px;opacity:.75}
.faq-list summary{font-size:17px;line-height:1.7}
.faq-list p{font-size:16px;line-height:1.9;color:#647657;margin-top:16px}
.closing .label{font-size:14px;color:#3f632d}
.closing>div>p:not(.label){font-size:16px;line-height:1.85;color:#3f632d}
.closing-scan strong{font-size:15px;line-height:1.7}
.closing-scan a{font-size:14px;line-height:1.7;color:#5d744e}
.footer-brand{font-size:16px;line-height:1.7}
.footer-brand span{font-size:13px;color:#65775a;line-height:1.7}
.footer-links{font-size:14px;line-height:1.8;flex-wrap:wrap;row-gap:10px;color:#65775a}
.footer-legal{font-size:14px;line-height:1.85;color:#637257;gap:9px}
.dialog-brand small{font-size:12px;line-height:1.6;color:#65775a}
.wechat-dialog>p{font-size:15px;line-height:1.8;color:#65775a}
.save-code{font-size:15px;line-height:1.7}
.modal-foot{font-size:14px!important;line-height:1.8;color:#697c5c!important}
.print-meta{font-size:14px;line-height:1.7;color:#6b7d5c}
.print-q{font-size:16px;line-height:1.85}
.print-foot{font-size:13px;line-height:1.7;color:#6b7d5c}
@media(max-width:1150px){
.stage-row{grid-template-columns:220px 1fr 46px;gap:23px}
.stage-name{flex-wrap:wrap;column-gap:14px;row-gap:3px}
.hero-description{font-size:17px}
.stage-copy h4{font-size:18px}
.stage-copy p{font-size:16px}
.product-grid{grid-template-rows:minmax(345px,auto) minmax(345px,auto)}
.feature-review .feature-text,.feature-retry .feature-text{max-width:60%}
.feature-text>p,.feature-review .feature-text>p,.feature-retry .feature-text>p{font-size:16px}
.workshop{gap:32px}
.exercise-preview h3{font-size:20px}
.role-grid h3{font-size:27px}
}
@media(max-width:800px){
nav{font-size:14px}
.brand small{font-size:12px}
.nav-use{font-size:14px}
.eyebrow{font-size:13px;column-gap:6px;row-gap:6px;line-height:1.6}
.hero-description{font-size:17px;line-height:1.85}
.hero-actions .primary{font-size:15px;padding:15px 19px;gap:20px}
.text-link{font-size:14px}
.hero-specs{font-size:13px;line-height:1.8;column-gap:9px;row-gap:4px}
.poster-label{font-size:12px}
.label,.label>span{font-size:13px}
.section-intro{font-size:16px;line-height:1.85}
.stage-row{grid-template-columns:1fr 44px;gap:14px;padding:25px 3px}
.stage-name{flex-wrap:wrap;gap:10px}
.stage-index{font-size:12px}
.stage-grade{font-size:14px}
.stage-copy{padding-left:25px}
.stage-copy h4{font-size:17px;line-height:1.6}
.stage-copy p{font-size:16px;max-width:none;line-height:1.85}
.coverage-note{font-size:13px;line-height:1.85}
.product-grid{grid-template-columns:1fr;grid-template-rows:560px auto auto;gap:16px}
.feature-print{grid-column:auto;grid-row:auto}
.feature-print .feature-text{max-width:none}
.paper-scene{left:0;right:auto;width:100%;height:300px}
.feature-print .mini-sheet{top:34px;width:245px;height:330px}
.feature-print .paper-back{top:48px;width:245px;height:330px}
.feature-print .format-sticker{top:76px}
.feature-print .feature-foot{left:22px;right:22px;bottom:16px}
.feature-foot{font-size:13px;line-height:1.6}
.feature-review,.feature-retry{min-height:410px;padding:27px}
.feature-review .feature-text,.feature-retry .feature-text{max-width:none}
.feature-tag{font-size:13px;line-height:1.6}
.feature h3{font-size:29px;line-height:1.35}
.feature-text>p,.feature-review .feature-text>p,.feature-retry .feature-text>p{font-size:16px;line-height:1.85;max-width:none}
.review-visual{width:210px;height:170px;right:-10px;bottom:-5px}
.review-paper{width:200px;height:168px;padding:21px;right:10px;bottom:-14px}
.review-paper>div{font-size:23px;margin-top:21px}
.review-paper>span{font-size:12px}
.review-paper p{font-size:12px;line-height:1.6}
.review-check{top:-20px;right:27px}
.retry-visual{width:210px;height:190px;right:-7px;bottom:-9px}
.retry-card,.retry-back{width:180px;height:150px;padding:18px;top:28px}
.retry-card span,.retry-card small{font-size:12px}
.retry-card strong{font-size:22px;margin-top:20px}
.retry-arrow{bottom:5px;right:24px}
.workshop-copy>p:not(.label){font-size:16px;line-height:1.85}
.workshop .label{font-size:13px}
.stage-tabs button{font-size:16px}
.subject-tabs button{font-size:15px;padding:10px 18px}
.sample-link{font-size:14px;line-height:1.6}
.exercise-preview{min-height:340px}
.exercise-preview h3{font-size:20px;line-height:1.6}
.exercise-head{font-size:13px;line-height:1.7}
.exercise-question{font-size:16px;line-height:1.9}
.sample-footer{font-size:12px}
.sample-note{font-size:13px}
.role-grid{grid-template-columns:1fr}
.role-grid h3{font-size:28px}
.role-grid p{font-size:16px;line-height:1.85}
.role-symbol{display:block;top:25px;right:23px;font-size:54px}
.role-tag{font-size:14px}
.faq-list summary{font-size:16px;line-height:1.7}
.faq-list p{font-size:16px;line-height:1.9;margin-right:10px}
.closing .label{font-size:13px}
.closing>div>p:not(.label){font-size:16px;line-height:1.85}
.closing-scan strong{font-size:14px;line-height:1.7}
.closing-scan a{font-size:14px}
.footer-brand{font-size:16px;flex-wrap:wrap;row-gap:7px}
.footer-brand span{font-size:13px}
.footer-links{font-size:14px;gap:14px;line-height:1.8}
.footer-legal{font-size:13px;line-height:1.85;gap:9px}
.wechat-dialog>p{font-size:15px}
.modal-foot{font-size:14px!important}
.print-meta{font-size:14px;line-height:1.7}
.print-q{font-size:16px;line-height:1.85}
}
@media(min-width:520px) and (max-width:800px){
.hero{grid-template-columns:1fr;gap:28px}
.hero h1{font-size:64px;letter-spacing:-3px}
.hero-copy{padding:0 4px}
.hero-visual{width:100%}
.hero-poster{--poster-height:500px}
.hero-art{object-position:100% center}
.product-grid{grid-template-rows:560px auto auto}
}
@media(max-width:380px){
.nav-use{font-size:12px;gap:10px;padding-left:12px}
.brand small{font-size:11px}
.hero-actions{column-gap:16px}
.hero-actions .primary{font-size:15px;gap:16px}
.hero-specs{font-size:13px;column-gap:7px}
.feature-print{padding:25px}
.feature-review,.feature-retry{min-height:430px;padding:25px}
.workshop{padding-left:21px;padding-right:21px}
.exercise-preview{padding-left:19px;padding-right:19px}
}