:root{--cn-ink:#4c281f;--cn-board:#176255;--cn-cream:#fffaf0;--cn-yellow:#ffc84b;--cn-coral:#f36b55;--cn-blue:#3f8bd9;--cn-green:#55a969;--cn-purple:#9b76d1;--cn-teal:#36a8a0;--cn-line:#cae7fa}
.cn-page{min-height:var(--app-h);background:linear-gradient(#fff9e5,#fff 52%,#fff3c4);color:var(--cn-ink);font-family:"PingFang SC","Microsoft YaHei",sans-serif;overflow-x:hidden}.cn-hero{position:relative;width:100%;background-size:cover;background-position:center top}.cn-hero img{display:block;width:100%;height:auto}.cn-entry-hero{background:#fff2bb}.cn-hit{position:absolute;top:calc(var(--sat) + 8px);width:11%;aspect-ratio:1;border:0;border-radius:50%;background:transparent;cursor:pointer}.cn-hit.back{left:3%}.cn-hit.home{right:3%}.cn-entry-body{margin-top:-2px;padding:28px 28px 60px;background:#fff;border-radius:36px 36px 0 0}.cn-kicker{font-size:24px;font-weight:900}.cn-sub{color:#8a7771;margin:8px 0 24px}.cn-course-card,.cn-directory-card{width:100%;border:1.5px solid #f5d775;border-radius:28px;background:linear-gradient(135deg,#fffdf6,#fff5cc);padding:22px;display:grid;grid-template-columns:92px 1fr 42px;gap:18px;align-items:center;text-align:left;color:var(--cn-ink);box-shadow:0 12px 30px #b77b2717}.cn-course-icon{width:88px;height:88px;display:grid;place-items:center;border-radius:24px;background:#fff0bd;font-size:42px;font-weight:900;letter-spacing:-12px;padding-right:12px}.cn-course-card h2,.cn-directory-card h2{margin:0 0 7px;font-size:26px}.cn-course-card p,.cn-directory-card p{margin:0;color:#765c51}.cn-pill{display:inline-block;margin-top:11px;padding:6px 14px;border-radius:999px;background:#fff0bd;color:#8d5f1f;font-weight:700}.cn-arrow{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:#ffb92d;color:#fff;font-size:30px;font-weight:700}.cn-directory{padding:24px 26px 70px;background:linear-gradient(#ffe695,#fff9e2)}.cn-directory-card{margin-bottom:18px;border-color:#fff;background:#fffdf8;grid-template-columns:88px 1fr 42px}.cn-card-art{width:80px;height:80px;border-radius:22px;display:grid;place-items:center;font-size:38px;background:#fff0ed}.cn-directory-card:nth-child(2) .cn-card-art{background:#eaf7eb}.cn-directory-card:nth-child(3) .cn-card-art{background:#e9f4ff}.cn-directory-card:nth-child(2) .cn-arrow{background:#4da767}.cn-directory-card:nth-child(3) .cn-arrow{background:#2f7ec5}.cn-lesson{background:#fffaf0}.cn-learning-hero{height:auto;background:#175f52}.cn-tabs{position:sticky;top:0;z-index:5;display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin:-2px 0 0;padding:12px 18px;background:#fffdf8;border-radius:26px 26px 0 0;box-shadow:0 8px 24px #5d3d2114}.cn-tab{border:0;border-radius:18px;padding:14px 5px;background:#f3efe8;color:#8d8983;font-size:17px;font-weight:900}.cn-tab.on{background:linear-gradient(135deg,#ffd96a,#ffbd3e);color:#612d0b}.cn-content{padding:14px 20px 38px}.cn-panel{border:5px solid var(--cn-line);border-radius:30px;background:#fffefa;padding:24px 22px;min-height:520px;box-shadow:inset 0 0 0 1px #fff,0 14px 34px #5a8aac12}.cn-panel h2{font-size:26px;text-align:center;margin:0 0 20px}.cn-panel h3{font-size:21px;color:#225c91;margin:22px 0 10px}.cn-panel p,.cn-panel li{font-size:18px;line-height:1.8}.cn-panel ul,.cn-panel ol{padding-left:24px}.cn-chip{display:table;margin:10px auto 20px;padding:8px 22px;border-radius:999px;font-size:22px;font-weight:900}.subject,.cn-chip.subject{background:#e7f2ff;color:#2577bd}.predicate,.cn-chip.predicate{background:#ffe7e1;color:#d85442}.object,.cn-chip.object{background:#e8f6e8;color:#368b4b}.attribute,.cn-chip.attribute{background:#f1eaff;color:#7d57b3}.adverbial,.cn-chip.adverbial{background:#fff1c9;color:#9b6e10}.complement,.cn-chip.complement{background:#def6f4;color:#187e78}.subject-text{color:#277dc4}.predicate-text{color:#e25c49}.object-text{color:#36904d}.attribute-text{color:#885cbf}.adverbial-text{color:#b58218}.complement-text{color:#168b83}.cn-callout,.cn-examples,.cn-sentence{margin:16px 0;padding:16px 18px;border-radius:18px;background:#edf7ff;border-left:5px solid #73bce8}.cn-callout.yellow{background:#fff6d9;border-color:#f5be37}.cn-callout.wrong{background:#fff0ee;border-color:#ef7160}.cn-callout.right{background:#ecf8ed;border-color:#53a866}.cn-sentence{font-size:21px;text-align:center;background:#fff8e8;border:1px solid #f5dda3}.cn-formula{margin:22px 0;display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap;background:#fff4d2;border-radius:24px;padding:18px;font-size:27px;font-weight:900}.cn-formula i{font-style:normal;color:#6d5d54}.cn-note{text-align:center;color:#8a7771}.cn-steps{counter-reset:step;list-style:none;padding:0!important}.cn-steps li{margin:12px 0;padding:13px 16px 13px 54px;background:#f7fbff;border-radius:16px;position:relative}.cn-steps li:before{counter-increment:step;content:counter(step);position:absolute;left:14px;top:14px;width:28px;height:28px;border-radius:50%;background:#4b94d7;color:white;display:grid;place-items:center;font-weight:900}.cn-analysis{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin:20px 0}.cn-analysis span{padding:8px 12px;border-radius:12px;font-size:18px;font-weight:800}.cn-page-nav{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px;margin:20px 4px}.cn-page-nav button{border:1px solid #dfcda8;border-radius:20px;background:#fffdf8;padding:13px 8px;font-size:17px;font-weight:800;color:#65412c}.cn-page-nav button:last-child{background:#ffcd52}.cn-page-nav button:disabled{opacity:.35}.cn-page-nav span{text-align:center;color:#897366;font-weight:700;white-space:nowrap}.cn-example-card{padding:20px;border-radius:22px;background:#fff;border:1px solid #f0dfc4}.cn-example-sentence{display:flex;flex-wrap:wrap;justify-content:center;gap:7px;font-size:25px;font-weight:900;margin:18px 0}.cn-example-sentence span{padding:8px 11px;border-radius:12px}.cn-legend{display:flex;flex-wrap:wrap;gap:7px;justify-content:center}.cn-legend i{font-style:normal;font-size:14px}.cn-practice-page{background:linear-gradient(#f7e7b4,#e8f7ff)}.cn-quiz-body{margin-top:-5px;padding:18px 24px 60px;background:#fff;border-radius:34px 34px 0 0;min-height:700px}.cn-quiz-head{display:flex;align-items:center;gap:12px;margin-bottom:20px}.cn-quiz-logo{font-size:40px}.cn-quiz-head h1{font-size:30px;margin:0}.cn-quiz-count{margin-left:auto;font-weight:900;color:#173b67}.cn-type{display:inline-block;border-radius:999px;background:#e8f4ff;color:#237abe;padding:6px 13px;font-weight:800}.cn-question{margin:18px 0;padding:22px;border:1.5px solid #f3d47c;border-radius:22px;background:#fff9e8;font-size:22px;line-height:1.65;font-weight:800}.cn-options{display:grid;gap:12px}.cn-option{display:flex;align-items:center;gap:15px;border:1px solid #d9e5ec;border-radius:18px;background:#f7fbff;padding:15px;text-align:left;font-size:19px;color:#173b67}.cn-option b{width:40px;height:40px;display:grid;place-items:center;border-radius:50%;background:#42b8ea;color:#fff}.cn-option:nth-child(2) b{background:#49aa5d}.cn-option:nth-child(3) b{background:#f2aa27}.cn-option.correct{border-color:#49aa5d;background:#edf9ef}.cn-option.wrong{border-color:#ed6659;background:#fff0ef}.cn-answer{width:100%;min-height:120px;border:1.5px solid #bcd9ea;border-radius:18px;padding:15px;font:inherit;font-size:17px;resize:vertical}.cn-submit,.cn-next{border:0;border-radius:18px;padding:14px 24px;background:#2e8ed1;color:#fff;font-size:18px;font-weight:900}.cn-feedback{margin-top:18px;padding:18px;border-radius:18px;background:#eef8ff;line-height:1.7}.cn-feedback b{color:#195f98}.cn-quiz-nav{display:flex;justify-content:space-between;gap:12px;margin-top:20px}.cn-quiz-nav button{min-width:110px}.cn-finish{text-align:center;padding:55px 15px}.cn-finish .big{font-size:62px}.cn-finish h2{font-size:29px}.cn-finish p{line-height:1.8;color:#725f54}
@media(min-width:700px){.cn-page{max-width:820px;margin:auto;box-shadow:0 0 34px #48341a18}.cn-entry-body,.cn-directory,.cn-content,.cn-quiz-body{padding-left:48px;padding-right:48px}.cn-panel{padding:34px}.cn-course-card,.cn-directory-card{padding:28px}}
@media(max-width:430px){.cn-course-card,.cn-directory-card{grid-template-columns:72px 1fr 36px;padding:17px;gap:12px}.cn-course-icon,.cn-card-art{width:68px;height:68px;font-size:30px}.cn-course-card h2,.cn-directory-card h2{font-size:21px}.cn-tab{font-size:15px}.cn-panel{padding:21px 17px}.cn-panel p,.cn-panel li{font-size:17px}.cn-page-nav{grid-template-columns:1fr 1fr}.cn-page-nav span{grid-column:1/-1;grid-row:1}.cn-question{font-size:19px}}
.cn-card-art{overflow:hidden;font-size:0}.cn-card-art img{width:100%;height:100%;object-fit:cover}.cn-tab{padding:12px 5px;display:flex;align-items:center;justify-content:center;gap:7px}.cn-tab img{width:24px;height:24px;object-fit:contain}.cn-quiz-logo{width:45px;height:45px;object-fit:contain}
.cn-course-cover{width:92px;height:112px;border-radius:18px;overflow:hidden;box-shadow:0 8px 18px #6d3c1f25;background:#176255}.cn-course-cover img{width:100%;height:100%;object-fit:cover}.cn-arrow-png{width:42px;height:42px;object-fit:contain}.cn-course-card{grid-template-columns:92px 1fr 42px}.cn-course-card:active .cn-arrow-png{transform:translateX(2px)}
@media(max-width:430px){.cn-course-cover{width:72px;height:90px}.cn-course-card{grid-template-columns:72px 1fr 36px}.cn-arrow-png{width:36px;height:36px}}

/* V5.28：独立导航热区，避免与首页 .home 布局类重名而覆盖竖屏课程卡片。 */
.cn-hero-hit{position:absolute;top:calc(var(--sat) + 8px);z-index:2;width:11%;max-width:76px;aspect-ratio:1;border:0;border-radius:50%;background:rgba(255,255,255,.96);box-shadow:0 7px 16px rgba(39,85,105,.22);padding:0;cursor:pointer;display:grid;place-items:center}
.cn-hero-hit>img{display:block;width:66%;height:66%;object-fit:contain}
.cn-hero-back{left:3%}.cn-hero-home{right:3%}
.cn-entry-body{position:relative;z-index:3}.cn-course-card,.cn-directory-card{position:relative;z-index:4}
.cn-unit-arrow-png{display:block;width:44px;height:44px;object-fit:contain;transition:transform .18s ease}
.cn-directory-card:active .cn-unit-arrow-png{transform:translateX(2px) scale(.96)}
@media(max-width:430px){.cn-directory-card{grid-template-columns:72px 1fr 38px}.cn-unit-arrow-png{width:38px;height:38px}}
.cn-course-unit-art{width:112px;height:92px;display:flex;align-items:center;justify-content:center}.cn-course-unit-art img{width:112px;height:92px;object-fit:contain}.cn-course-card{grid-template-columns:112px 1fr 42px}
@media(max-width:430px){.cn-course-unit-art,.cn-course-unit-art img{width:84px;height:72px}.cn-course-card{grid-template-columns:84px 1fr 36px}}
.cn-classroom-head{display:flex;align-items:center;gap:12px}.cn-classroom-head h2{flex:1;margin-bottom:8px;text-align:left}.cn-classroom-head>b{color:#7c6a60;white-space:nowrap}.cn-classroom-tip{margin:4px 0 14px!important;color:#7f7168;font-size:16px!important}.cn-role-palette{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin:12px 0 22px}.cn-role-palette button{border:2px solid transparent;border-radius:15px;padding:10px 5px;font-size:16px;font-weight:900;display:flex;align-items:center;justify-content:center;gap:7px;opacity:.72}.cn-role-palette button i{width:13px;height:13px;border-radius:50%;background:currentColor}.cn-role-palette button.on{opacity:1;border-color:currentColor;box-shadow:0 5px 14px #3d312319;transform:translateY(-1px)}.cn-mark-question{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:9px 5px;margin:12px 0 20px;padding:24px 14px;border:1.5px solid #f1d37d;border-radius:22px;background:#fff9e8;font-size:23px;line-height:1.6}.cn-mark-token{border:2px solid #e2d8c8;border-radius:12px;background:#fff;color:#4c281f;padding:7px 10px;font-size:22px;font-weight:900;transition:.16s}.cn-mark-token.subject{background:#e7f2ff;border-color:#6aa8df;color:#2577bd}.cn-mark-token.predicate{background:#ffe7e1;border-color:#ee897a;color:#d85442}.cn-mark-token.object{background:#e8f6e8;border-color:#7abc86;color:#368b4b}.cn-mark-token.attribute{background:#f1eaff;border-color:#aa8bd2;color:#7d57b3}.cn-mark-token.adverbial{background:#fff1c9;border-color:#dfba51;color:#9b6e10}.cn-mark-token.complement{background:#def6f4;border-color:#6dbeb8;color:#187e78}.cn-punctuation{font-weight:900}.cn-classroom-result{display:flex;align-items:flex-start;gap:12px;margin:16px 0;padding:15px;border-radius:18px}.cn-classroom-result img{width:42px;height:42px;flex:none}.cn-classroom-result b{font-size:19px}.cn-classroom-result p{font-size:16px!important;line-height:1.65;margin:6px 0 0}.cn-classroom-result.correct{background:#edf9ef;color:#2d7c3e}.cn-classroom-result.wrong{background:#fff0ef;color:#9e3e35}.cn-classroom-nav{display:flex;justify-content:space-between;gap:12px;margin-top:22px}.cn-classroom-nav button{border:1px solid #d7e6ef;border-radius:18px;background:#f8fcff;color:#275f8b;padding:11px 15px;font-size:16px;font-weight:900;display:flex;align-items:center;gap:7px}.cn-classroom-nav button img{width:25px;height:25px}.cn-classroom-nav button:disabled{opacity:.3}.cn-enter-test{display:block;margin:22px auto 0}
@media(max-width:430px){.cn-role-palette{grid-template-columns:repeat(2,1fr)}.cn-mark-question{font-size:20px;padding:20px 10px}.cn-mark-token{font-size:20px;padding:6px 8px}}

/* V5.44：语文世界使用用户提供的完整课程列表图，课程顺序由背景图固定。 */
.cn-entry-reference{position:relative;width:min(100%,880px);max-width:880px;min-height:0;margin:0 auto;background:#fff8dc;box-shadow:none;overflow:hidden}.cn-entry-reference-image{display:block;width:100%;height:auto}.cn-entry-reference-hit{position:absolute;z-index:3;border:0;background:transparent;cursor:pointer;min-height:0;display:block}
/* 覆盖首页全局 .home / .home-screen .home 的满高 min-height，避免主页热区被拉成整条 */
.cn-entry-reference-hit.home{min-height:0!important}.cn-entry-reference-hit.back{left:2.5%;top:1.2%;width:11%;height:5.2%}.cn-entry-reference-hit.home{right:2.5%;top:1.2%;width:11%;height:5.2%}.cn-entry-reference-hit.course-book{left:5%;right:5.3%;top:45.6%;height:15.5%}.cn-entry-reference-hit.course-idiom{left:5%;right:5.3%;top:62.2%;height:13.3%}.cn-entry-reference-hit.course-expand{left:5%;right:5.3%;top:76.5%;height:11.4%}.cn-entry-reference-hit.course-daily{left:5%;right:5.3%;top:88.9%;height:10.6%}.cn-daily-unit-select{position:absolute;z-index:9;left:41.8%;top:94.4%;width:31%;height:3.6%;min-height:34px;padding:3px 27px 3px 9px;border:1.5px solid #efbd52;border-radius:999px;background:rgba(255,251,235,.97);box-shadow:0 4px 10px rgba(132,88,26,.12);color:#8b5817;font-family:inherit;font-size:clamp(12px,2.15vw,17px);font-weight:900}
@media(min-width:700px) and (orientation:landscape){.cn-entry-reference{width:100vw;height:var(--app-h);min-height:0;max-width:none;margin:0}.cn-entry-reference-image{width:100%;height:100%;object-fit:cover}.cn-entry-reference-hit.back{left:1.5%;top:2%;width:9%;height:12%}.cn-entry-reference-hit.home{right:1.5%;top:2%;width:9%;height:12%}.cn-entry-reference-hit.course-book{left:45%;right:auto;top:26.7%;width:24.9%;height:35.5%}.cn-entry-reference-hit.course-idiom{left:71.1%;right:auto;top:26.7%;width:25.4%;height:35.5%}.cn-entry-reference-hit.course-expand{left:45%;right:auto;top:63.8%;width:24.9%;height:29.5%}.cn-entry-reference-hit.course-daily{left:71.1%;right:auto;top:63.8%;width:25.4%;height:29.5%}}
html.device-landscape .cn-entry-reference{width:100vw;height:var(--app-h);min-height:0;max-width:none;margin:0}html.device-landscape .cn-entry-reference-image{width:100%;height:100%;object-fit:cover}html.device-landscape .cn-entry-reference-hit.back{left:1.5%;top:2%;width:9%;height:12%}html.device-landscape .cn-entry-reference-hit.home{right:1.5%;top:2%;width:9%;height:12%}html.device-landscape .cn-entry-reference-hit.course-book{left:45%;right:auto;top:26.7%;width:24.9%;height:35.5%}html.device-landscape .cn-entry-reference-hit.course-idiom{left:71.1%;right:auto;top:26.7%;width:25.4%;height:35.5%}html.device-landscape .cn-entry-reference-hit.course-expand{left:45%;right:auto;top:63.8%;width:24.9%;height:29.5%}html.device-landscape .cn-entry-reference-hit.course-daily{left:71.1%;right:auto;top:63.8%;width:25.4%;height:29.5%}