/* KET基本句型课程专属主题；不覆盖原课程结构与数据。 */
.ketPage{min-height:var(--app-h);background:#fff6f1;color:#33414b}.ketTop{height:290px;position:relative;overflow:hidden;background:#ffd9d2 url('assets/ket/theme/background_ket_header.png') center/cover no-repeat}.ketTop .topbar{position:absolute;z-index:3;inset:22px 24px auto;display:flex;justify-content:space-between}.ketTop .roundBtn{width:58px;height:58px;padding:0;border:0;border-radius:50%;background:rgba(255,255,255,.96);box-shadow:0 6px 16px rgba(92,65,52,.16);display:grid;place-items:center}.ketTop .roundBtn img{display:block;width:100%;height:100%;object-fit:contain}.ketTopCharacter{position:absolute;left:50%;bottom:-12px;height:90%;max-width:86%;object-fit:contain;transform:translateX(-50%)}
.ketCourseEntry{border-color:#f3b8ad!important;background:linear-gradient(135deg,#fff3ef,#fffaf3)!important}.ketCover{border-radius:18px;overflow:hidden;background:#fff!important}.ketCover img{width:100%;height:100%;object-fit:cover!important}.ketCourseCount{display:inline-block;margin-top:8px;padding:4px 12px;border-radius:99px;background:#ffe0a8;color:#9b5917;font-weight:800}
.ketUnitBody,.ketLearnBody{width:min(940px,calc(100% - 28px));margin:-20px auto 0;position:relative;z-index:2;background:#fff;border-radius:30px 30px 0 0;padding:28px 24px 56px;box-shadow:0 -4px 20px #7d584018}.ketCourseHeading{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.ketCourseHeading h1{margin:0;color:#344149;font-size:30px}.ketCourseHeading p{margin:6px 0 0;color:#7b858a}.ketCourseHeading>span{padding:8px 14px;border-radius:99px;background:#e6f4ee;color:#25846d;font-weight:800}
.ketModule{margin:0 0 26px}.ketModuleHead{display:flex;gap:12px;align-items:center;margin-bottom:12px}.ketModuleHead>b{display:grid;place-items:center;width:42px;height:42px;border-radius:14px;background:var(--module);color:#fff;font-size:20px}.ketModuleHead h2{margin:0;font-size:21px;color:#344149}.ketModuleHead p{margin:2px 0 0;color:#8b9296}.ketUnitGrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.ketUnitCard{border:1px solid #eeddd5;background:#fffaf7;border-radius:19px;padding:10px;display:grid;grid-template-columns:96px 1fr 24px;gap:13px;align-items:center;text-align:left;color:#344149;box-shadow:0 5px 14px #6d48320c}.ketUnitCard img{width:96px;height:78px;border-radius:14px;object-fit:contain;background:#ffe8df}.ketUnitText{min-width:0}.ketUnitText small{display:block;color:var(--module);font-weight:900}.ketUnitText strong{display:block;margin:3px 0;font-size:17px;line-height:1.25;overflow-wrap:anywhere}.ketUnitText span{display:block;color:#7c8589;font-size:13px}.ketUnitCard i{font-style:normal;font-size:30px;color:#ef795f}
.ketLearnBody{padding-top:18px}.ketTabs{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;padding:8px;background:#f7efec;border-radius:19px}.ketTabs button{border:0;border-radius:14px;background:#fff;color:#697279;padding:12px 5px;font-weight:800;display:flex;justify-content:center;align-items:center;gap:7px;white-space:nowrap}.ketTabs button.on{background:linear-gradient(135deg,#ef765e,#f59d65);color:#fff;box-shadow:0 5px 12px #dc74524a}.ketTabs img{width:22px;height:22px;object-fit:contain}.ketLessonTitle{display:flex;gap:13px;align-items:center;margin:24px 4px 18px}.ketLessonTitle>span{flex:0 0 auto;padding:10px 12px;border-radius:13px;background:var(--module);color:#fff;font-weight:900}.ketLessonTitle h1{margin:0;font-size:25px;line-height:1.25;overflow-wrap:anywhere}.ketLessonTitle p{margin:3px 0 0;color:#7f898e}.ketCount{margin:0 5px 12px;font-size:19px;font-weight:900}.ketCount span{color:#ec765d}.ketList{background:transparent!important}.ketList .wordRow,.ketList .sentenceRow{border-color:#efdfd7!important;background:#fffaf7!important}
.ketMeaningHead{display:grid;grid-template-columns:30px 1fr auto;gap:10px;align-items:center;margin:14px 4px}.ketMeaningHead img{width:26px}.ketMeaningHead h2{margin:0;font-size:21px;line-height:1.35;overflow-wrap:anywhere}.ketMeaningHead span{font-weight:800;color:#7d858b}.ketArticle{padding:26px;border:1.5px solid #cce8ef;border-radius:24px;background:#effaff;color:#31506a;line-height:1.75;font-size:17px;overflow-wrap:anywhere;word-break:normal}.ketArticle h2,.ketArticle h3{color:#256f89;line-height:1.35;overflow-wrap:anywhere}.ketArticle strong{color:#ea765d}.ketArticle .highlight{color:#dc684f;font-weight:800}.ketTable{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;margin:14px 0}.ketArticle table{border-collapse:collapse;min-width:620px;background:transparent}.ketArticle th,.ketArticle td{border:1px solid #a9cad5;padding:10px 12px;background:transparent;white-space:nowrap}.ketArticle p,.ketArticle li{white-space:normal;overflow-wrap:anywhere}.ketPager{display:flex;align-items:center;justify-content:space-between;margin:22px 2px 8px}.ketPager button,.ketQuizNav button{border:0;background:#f0f9fc;border-radius:50%;width:48px;height:48px;padding:12px;box-shadow:0 5px 13px #57788620}.ketPager button:disabled{opacity:.3}.ketPager img,.ketQuizNav img{width:100%;height:100%;object-fit:contain}.ketPager span{color:#78858b;font-weight:800}.ketPracticeRow{text-align:right;margin-top:12px}.ketPracticeRow button{border:1.5px solid #8bd0e3;background:#f3fbfe;border-radius:20px;color:#1786b5;font-weight:900;font-size:18px;padding:10px 16px;display:inline-flex;align-items:center;gap:8px}.ketPracticeRow img{width:30px}
.ketQuizPage{background:#fff5ef}.ketQuizCard{position:relative;width:min(760px,calc(100% - 28px));margin:-18px auto 40px;padding:30px;border-radius:30px;background:#fff;box-shadow:0 12px 30px #84583a1a}.ketQuizCard>header{display:grid;grid-template-columns:48px 132px 1fr;align-items:center;gap:12px}.ketQuizCard>header img:first-child{width:46px}.ketQuizCard>header img:nth-child(2){width:125px;max-height:56px;object-fit:contain}.ketQuizCard>header b{text-align:right;font-size:20px}.ketType{display:inline-block;margin:22px 0 12px;padding:6px 13px;border-radius:99px;background:#fff0d7;color:#b46818;font-weight:900}.ketQuestion{padding:22px;border:1.5px solid #f1d797;border-radius:20px;background:#fffaf0;font-weight:850;font-size:22px;line-height:1.55;overflow-wrap:anywhere}.ketOptions{display:grid;gap:12px;margin-top:18px}.ketOptions button{border:1.5px solid #d8e3e8;border-radius:18px;background:#f8fbfc;padding:13px 16px;display:grid;grid-template-columns:48px 1fr;align-items:center;text-align:left;color:#34414a}.ketOptions button span{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:#34bfc6;color:#fff;font-size:20px;font-weight:900}.ketOptions button em{font-style:normal;font-size:18px;font-weight:800;overflow-wrap:anywhere}.ketOptions button.correct{border-color:#30c260;background:#eefbf2}.ketOptions button.wrong{border-color:#ff5963;background:#fff1f2}.ketExplain{margin-top:16px;padding:18px;border-radius:16px;background:#fff6e5;line-height:1.55}.ketExplain b{color:#e46e53}.ketExplain p{margin:4px 0 10px}.ketQuizNav{display:flex;justify-content:space-between;margin-top:24px}.ketDone{text-align:center;padding-block:60px}.ketDone>div{font-size:58px}.ketDone button{border:0;border-radius:18px;background:#ef765e;color:#fff;padding:13px 25px;font-weight:900;font-size:17px}.ketJudge button{grid-template-columns:48px 1fr}.ketJudge button img{width:42px;height:42px;object-fit:contain}.ketFill{display:grid;grid-template-columns:1fr auto;gap:10px;margin-top:18px}.ketFill input{min-width:0;border:1.5px solid #d8e3e8;border-radius:16px;background:#f8fbfc;padding:14px 16px;font-size:18px;outline:none}.ketFill input.correct{border-color:#30c260;background:#eefbf2}.ketFill input.wrong{border-color:#ff5963;background:#fff1f2}.ketFill button{border:0;border-radius:16px;background:#ef765e;color:#fff;padding:0 20px;font-weight:900}
@media(max-width:640px){.ketTop{height:215px}.ketTop .topbar{inset:14px 14px auto}.ketTop .roundBtn{width:54px;height:54px}.ketUnitBody,.ketLearnBody{width:calc(100% - 16px);padding:22px 14px 44px;border-radius:24px 24px 0 0}.ketCourseHeading h1{font-size:25px}.ketUnitGrid{grid-template-columns:1fr}.ketUnitCard{grid-template-columns:82px 1fr 18px}.ketUnitCard img{width:82px;height:70px}.ketTabs{gap:5px;padding:6px}.ketTabs button{font-size:14px;gap:4px}.ketTabs img{width:18px;height:18px}.ketLessonTitle h1{font-size:21px}.ketArticle{padding:20px 16px;font-size:16px}.ketMeaningHead h2{font-size:18px}.ketPager span{font-size:14px}.ketQuizCard{width:calc(100% - 16px);padding:22px 16px}.ketQuizCard>header{grid-template-columns:42px 105px 1fr}.ketQuizCard>header img:nth-child(2){width:100px}.ketQuestion{font-size:19px;padding:18px}.ketOptions button em{font-size:16px}.ketFill{grid-template-columns:1fr}.ketFill button{min-height:48px}}
@media(max-width:420px){.ketTop .roundBtn{width:50px;height:50px}}