.vip-ad{--vip-navy:#102749;--vip-gold:#f5d49a;--vip-ink:#122846;--vip-muted:#778399;color:var(--vip-ink)}.site-shell:has(.vip-ad) .header-inner nav{height:100%}.independent-page:has(.vip-ad)>.page-breadcrumb{display:none}.independent-page:has(.vip-ad)>.page-title-row{margin-bottom:18px}.independent-page:has(.vip-ad)>.page-title-row h1{font-size:24px;margin-top:3px}.independent-page:has(.vip-ad)>.page-title-row .page-context{font-size:11px}.vip-ad-includes span:last-child{color:#90622c;font-weight:650}.vip-ad-tier-picker{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:20px}.vip-ad-tier-picker button{padding:11px 6px;border:1px solid #ddd6cb;border-radius:7px;text-align:center;background:#fff;line-height:1.5;min-width:0}.vip-ad-tier-picker button.selected{border-color:#a87d43;background:#f9edda;box-shadow:inset 0 0 0 1px #a87d43}.vip-ad-tier-picker strong{font-size:12px;display:block}.vip-ad-tier-picker small{font-size:8px;color:#786d5e;display:block;margin-top:4px}.vip-ad-guarantee p{font-size:10px;color:#8d7453;margin-top:6px}.vip-ad-hero{display:grid;grid-template-columns:minmax(0,1fr) 348px;gap:32px 44px;padding:44px 44px 0;background:var(--vip-navy);border-radius:18px;overflow:hidden;position:relative}.vip-ad-story{position:relative;isolation:isolate;color:#fff;min-height:403px;padding-bottom:25px}.vip-ad-eyebrow{display:flex;align-items:center;gap:10px;font-size:13px;letter-spacing:2px;color:var(--vip-gold)}.vip-ad-eyebrow img{width:24px;height:24px;filter:brightness(0) saturate(100%) invert(88%) sepia(29%) saturate(648%) hue-rotate(328deg)}.vip-ad-story h2{font-size:50px;font-weight:800;line-height:1.32;letter-spacing:1px;margin-top:23px;position:relative;z-index:2}.vip-ad-story h2 span{color:var(--vip-gold)}.vip-ad-lead{color:#bdc9da;line-height:1.9;font-size:16px;margin-top:17px;position:relative;z-index:2}.vip-ad-comparison{display:flex;align-items:center;gap:24px;margin-top:27px;width:fit-content;position:relative;z-index:2}.vip-ad-comparison>div{display:flex;flex-direction:column;gap:5px}.vip-ad-comparison small{color:#a5b6ce;font-size:11px;letter-spacing:1px}.vip-ad-comparison strong{font-size:27px;font-weight:700;font-variant-numeric:tabular-nums}.vip-ad-comparison strong span{font-size:12px;margin-left:7px;font-weight:400;color:#c1cddd}.vip-ad-comparison>div:last-child strong{color:var(--vip-gold)}.vip-ad-comparison>img{width:22px;height:22px;filter:brightness(0) invert(1);opacity:.4}.vip-ad-story-note{color:#a5b6ce;font-size:11px;letter-spacing:1px;margin-top:24px;position:relative;z-index:2}.vip-ad-mascot{position:absolute;right:-33px;bottom:-18px;width:228px;height:280px;object-fit:contain;object-position:bottom;z-index:1;pointer-events:none}.vip-ad-offer{background:#fffdfa;border:1px solid #e9d6b7;border-radius:13px;padding:25px 28px 0;position:relative;z-index:3;align-self:start;box-shadow:0 12px 35px #020f2426}.vip-ad-offer-top{display:flex;justify-content:space-between;align-items:center;color:#8d6940;font-size:11px;letter-spacing:2px}.vip-ad-offer-top img{width:27px;height:27px;filter:invert(46%) sepia(32%) saturate(599%) hue-rotate(353deg)}.vip-ad-offer h3{font-size:25px;margin-top:14px;font-weight:750}.vip-ad-offer-sub{font-size:11px;color:#778399;margin-top:9px}.vip-ad-price{display:flex;align-items:baseline;gap:4px;margin-top:17px;color:#182e4d}.vip-ad-price>span{font-size:26px;font-weight:700}.vip-ad-price strong{font-size:80px;line-height:1.18;letter-spacing:-4px;font-weight:800;font-variant-numeric:tabular-nums}.vip-ad-price small{font-size:12px;margin-left:10px;color:#778399}.vip-ad-includes{display:flex;flex-direction:column;gap:10px;font-size:12px;margin-top:16px;padding-top:17px;border-top:1px solid #e9e4db;color:#546278}.vip-ad-includes span{display:flex;align-items:center;gap:8px}.vip-ad-includes span:before{content:"";display:block;width:5px;height:5px;background:#ac8550;border-radius:50%}.vip-ad-buy{display:flex;align-items:center;justify-content:center;gap:17px;width:100%;padding:15px 8px;font-size:16px;font-weight:700;background:#f4d49f;border:1px solid #e9c589;border-radius:7px;margin-top:22px;color:#172e4d;transition:background .2s,transform .2s}.vip-ad-buy:hover{background:#edc483;filter:none!important;transform:translateY(-1px)}.vip-ad-buy img{width:18px;height:18px}.vip-ad-free{display:block;text-align:center;font-size:12px;margin:14px 0 20px;color:#697b92;text-decoration:underline;text-underline-offset:4px}.vip-ad-offer-foot{border-top:1px solid #e9e4db;margin:0 -28px;padding:13px 15px;text-align:center;font-size:10px;letter-spacing:1px;color:#7e8998;background:#f6f2ec;border-radius:0 0 12px 12px}.vip-ad-preview{font-size:12px;line-height:1.8;padding:12px;background:#f0e8da;border-radius:7px;margin-top:12px;color:#655540}.vip-ad-guarantee{grid-column:1/-1;background:#f7e9ce;display:flex;align-items:center;gap:19px;padding:22px 31px;margin:0 -44px;color:#23334b}.vip-ad-guarantee>img{width:38px;height:38px;filter:invert(44%) sepia(33%) saturate(642%) hue-rotate(353deg)}.vip-ad-guarantee small{font-size:10px;letter-spacing:2px;color:#967448}.vip-ad-guarantee h3{font-size:24px;letter-spacing:1px;margin-top:5px;font-weight:700}.vip-ad-guarantee em{font-style:normal;color:#9b672c}.vip-ad-guarantee>a{margin-left:auto;display:flex;align-items:center;gap:10px;font-size:12px;border-bottom:1px solid #b5a180;padding-bottom:4px;color:#736044}.vip-ad-guarantee>a>img{width:16px;height:16px}.vip-ad-benefits{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));padding:31px 0;border-bottom:1px solid #dce3ec;gap:25px}.vip-ad-benefits>div{display:flex;gap:17px;align-items:center;padding-left:18px}.vip-ad-benefits>div+div{border-left:1px solid #dce3ec;padding-left:30px}.vip-ad-benefit-icon{display:flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:12px;background:#e5ebf3;flex-shrink:0}.vip-ad-benefit-icon img{width:26px;height:26px}.vip-ad-benefit-number{font-size:10px;color:#8895a6;letter-spacing:1px}.vip-ad-benefits h3{font-size:16px;font-weight:700;margin:3px 0 6px}.vip-ad-benefits p{font-size:11px;line-height:1.7;color:#778399}.vip-ad-details{display:grid;grid-template-columns:.85fr 1.4fr;gap:55px;padding:37px 15px 15px;scroll-margin-top:30px}.vip-ad-section-label{font-size:10px;color:#927449;letter-spacing:3px}.vip-ad-details h2{font-size:26px;margin-top:12px;font-weight:700}.vip-ad-details>div>p{font-size:12px;line-height:1.8;color:#778399;margin-top:12px}.vip-ad-faq details{border-bottom:1px solid #dce3ec;padding:0 0 16px;margin-bottom:17px}.vip-ad-faq summary{font-size:13px;line-height:1.8;cursor:pointer;font-weight:600;padding-right:8px}.vip-ad-faq details p{font-size:12px;line-height:1.9;color:#778399;margin-top:11px}.vip-ad-draft-note{color:#8894a6;font-size:10px;text-align:center;margin-top:25px;line-height:1.8}@media(min-width:1450px){.vip-ad-hero{grid-template-columns:minmax(0,1fr) 370px;padding-top:48px;gap:35px 55px}.vip-ad-story h2{font-size:58px}.vip-ad-story{padding-left:12px}.vip-ad-mascot{width:280px;height:330px;right:-16px}.vip-ad-lead{font-size:17px}}@media(max-width:1150px){.vip-ad-hero{padding:30px 28px 0;gap:28px;grid-template-columns:minmax(0,1fr) 320px}.vip-ad-story h2{font-size:43px}.vip-ad-mascot{right:-28px;width:175px;height:210px;bottom:0}.vip-ad-comparison{gap:15px}.vip-ad-guarantee{margin:0 -28px;padding:20px 28px}.vip-ad-story-note{font-size:10px}.vip-ad-benefits>div{padding-left:0;gap:12px}.vip-ad-benefits>div+div{padding-left:20px}}@media(max-width:850px){.vip-ad-hero{grid-template-columns:minmax(0,1fr) 290px;gap:24px;padding:26px 24px 0}.vip-ad-story h2{font-size:35px}.vip-ad-eyebrow{font-size:10px;letter-spacing:1px}.vip-ad-lead{font-size:13px}.vip-ad-mascot{display:none}.vip-ad-comparison{gap:12px}.vip-ad-comparison strong{font-size:23px}.vip-ad-comparison strong span{font-size:10px;margin-left:4px}.vip-ad-offer{padding:23px 22px 0}.vip-ad-offer-foot{margin:0 -22px}.vip-ad-offer h3{font-size:23px}.vip-ad-guarantee{margin:0 -24px;padding:20px 24px}.vip-ad-benefits{gap:15px}.vip-ad-benefit-icon{width:37px;height:37px}.vip-ad-benefit-icon img{width:22px;height:22px}.vip-ad-benefits>div+div{padding-left:15px}.vip-ad-benefits h3{font-size:15px}.vip-ad-benefits p{font-size:10px}.vip-ad-details{gap:30px;padding:30px 0 10px}.vip-ad-details h2{font-size:22px}}@media(max-width:650px){.vip-ad-hero{grid-template-columns:1fr;padding:27px 22px 0;gap:25px;border-radius:13px}.vip-ad-story{min-height:0;padding-bottom:0}.vip-ad-story h2{font-size:39px;margin-top:21px}.vip-ad-lead{font-size:13px;margin-top:17px}.vip-ad-mascot{display:block;width:131px;height:162px;right:-18px;bottom:10px;opacity:.9}.vip-ad-comparison{margin-top:23px;gap:16px}.vip-ad-comparison strong{font-size:22px}.vip-ad-comparison small{font-size:10px}.vip-ad-story-note{margin-top:18px;font-size:10px;letter-spacing:0}.vip-ad-offer{padding:23px 23px 0}.vip-ad-offer-foot{margin:0 -23px}.vip-ad-offer h3{font-size:25px}.vip-ad-price{margin-top:8px}.vip-ad-price strong{font-size:74px}.vip-ad-includes{font-size:12px;gap:11px;margin-top:10px}.vip-ad-offer-sub{font-size:12px}.vip-ad-guarantee{margin:0 -22px;padding:22px;gap:12px;flex-wrap:wrap}.vip-ad-guarantee>img{width:30px;height:30px}.vip-ad-guarantee h3{font-size:21px}.vip-ad-guarantee small{font-size:9px;letter-spacing:1px}.vip-ad-guarantee>a{margin-left:42px;font-size:11px}.vip-ad-benefits{grid-template-columns:1fr;padding:23px 0;gap:20px}.vip-ad-benefits>div,.vip-ad-benefits>div+div{border:0;padding:0 8px;gap:16px}.vip-ad-benefit-icon{width:43px;height:43px}.vip-ad-benefits h3{display:inline;margin:0 0 0 10px;font-size:15px}.vip-ad-benefits p{font-size:12px;margin-top:5px}.vip-ad-details{grid-template-columns:1fr;gap:25px;padding:26px 8px 0}.vip-ad-details h2{font-size:25px}.vip-ad-faq summary{font-size:13px}.vip-ad-draft-note{font-size:9px;margin-top:12px;padding:0 8px}}@media(max-width:360px){.vip-ad-story h2{font-size:34px}.vip-ad-mascot{width:105px;height:135px;right:-17px;bottom:24px}.vip-ad-comparison{gap:10px}.vip-ad-comparison>img{width:13px}.vip-ad-comparison strong{font-size:20px}.vip-ad-comparison strong span{font-size:9px}}@media(max-width:650px){.vip-ad-story h2{font-size:34px;letter-spacing:0}.vip-ad-mascot{display:none}.vip-ad-story-note{font-size:10px}.site-shell:has(.vip-ad) .header-inner nav{height:48px}}@media(max-width:360px){.vip-ad-story h2{font-size:30px}}@font-face{font-family:LubanSans;src:url(/assets/noto-sans-sc.woff2) format("woff2");font-weight:100 900;font-display:swap}:root{font-family:LubanSans,Microsoft YaHei,PingFang SC,sans-serif;color:#0b1c48;background:#f2f6fb;font-synthesis:none;--blue:#0875ff;--muted:#7185a3}*{box-sizing:border-box}body{margin:0}button,input{font:inherit}button{cursor:pointer;border:0;background:none;color:inherit;transition:background-color .16s,box-shadow .16s}button:disabled{cursor:default}button:focus-visible{outline:3px solid #f2a634;outline-offset:4px}button:hover:not(:disabled){filter:brightness(.97)}h1,h2,h3,p{margin:0}.icon{width:22px;height:22px;object-fit:contain;flex-shrink:0}.white-icon{filter:brightness(0) invert(1)}.site-header{height:84px;background:#fff}.header-inner{max-width:1364px;margin:auto;height:100%;display:flex;align-items:center;gap:40px}.brand{display:flex;align-items:center;text-align:left;padding:0;gap:9px;flex-shrink:0}.brand>img{width:72px;height:66px;object-fit:contain}.brand strong{font-size:35px;font-weight:850;letter-spacing:2px;line-height:1.3;display:block}.brand small{color:var(--muted);font-size:11px;letter-spacing:2px;display:block}.header-inner nav{display:flex;gap:42px;align-self:stretch;align-items:center;margin:auto}.header-inner nav button{height:100%;padding:0;position:relative;white-space:nowrap;font-size:17px;font-weight:600}.header-inner nav button.active{color:var(--blue);font-size:20px}.header-inner nav button.active:after{content:"";position:absolute;bottom:13px;left:0;right:0;height:3px;background:var(--blue);border-radius:2px}.account-actions{display:flex;gap:16px}.outline,.solid{border-radius:10px;padding:12px 27px;font-size:16px;white-space:nowrap}.outline{border:1px solid #b7d4ff;color:#1f5fbe}.solid,.primary,.page-primary{background:var(--blue);color:#fff}.page{max-width:1364px;width:calc(100% - 124px);margin:auto;padding:8px 0 16px}.hero{height:273px;background:#126dec url(/assets/hero-bg.png) center 58%/cover no-repeat;border-radius:11px;position:relative;overflow:hidden;color:#fff}.hero-copy{position:relative;z-index:2;padding:54px 60px}.hero h1{font-size:49px;font-weight:800;line-height:1.22;letter-spacing:1px;white-space:nowrap}.hero p{font-size:29px;margin-top:8px}.hero-bottom{display:flex;align-items:center;gap:30px;margin-top:29px}.exam-picker{display:flex;align-items:center;gap:11px;color:#fff;font-size:21px;font-weight:650;padding:0}.exam-picker .icon:first-child{width:28px;height:28px}.exam-picker .icon:last-child{width:18px}.free-pill{padding:6px 17px;background:#daf2ff;color:#0875ed;border-radius:24px;font-size:19px;font-weight:700}.hero-mascot{position:absolute;width:348px;height:347px;object-fit:contain;right:230px;top:-7px;z-index:1}.hero-note{position:absolute;right:35px;bottom:30px;font-family:KaiTi,STKaiti,serif;font-style:italic;font-size:26px;line-height:1.25;transform:rotate(-9deg);font-weight:700}.certificate-tabs{display:flex;background:#fff;border-radius:9px;height:59px;margin-top:10px}.certificate-tabs button{position:relative;flex:1;font-size:22px;padding:0}.certificate-tabs .selected{color:var(--blue);font-weight:750}.certificate-tabs .selected:after{position:absolute;content:"";height:3px;background:var(--blue);width:80px;left:50%;transform:translate(-50%);bottom:0}.main-actions{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:17px}.action-card{height:148px;display:flex;align-items:center;border-radius:15px;padding:25px 28px;gap:30px}.sequence{background:#dcebff}.exam{background:#dcf3ef}.action-icon{width:105px;height:103px;background:#0774fa;border-radius:26px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.exam .action-icon{background:#009c89}.action-icon .icon{width:61px;height:61px}.action-copy{flex:1;min-width:0}.action-copy h2{font-size:35px;font-weight:800;white-space:nowrap;line-height:1.3}.action-copy p{font-size:18px;color:#637e9e;margin-top:5px;white-space:nowrap}.exam .action-copy p{color:#528d8f;font-size:17px}.primary,.pending{border-radius:40px;padding:17px 24px;font-size:19px;font-weight:600;white-space:nowrap;display:flex;gap:7px;align-items:center;justify-content:center}.pending{background:#94cdc5;color:#fff;padding:17px 27px}.tool-strip{display:grid;grid-template-columns:repeat(6,1fr);margin-top:15px;padding:12px 0 14px;background:#fff;border-radius:11px}.tool{position:relative;display:flex;flex-direction:column;align-items:center;gap:4px;padding:0 10px}.tool:not(:last-child):after{position:absolute;right:0;top:16px;bottom:18px;width:1px;background:#e7edf5;content:""}.tool>img{width:78px;height:72px;object-fit:contain}.tool strong{font-size:19px;font-weight:750}.tool>span{color:var(--muted);font-size:15px;margin-top:2px;white-space:nowrap}.explanations{margin-top:18px}.section-heading{display:flex;align-items:center;justify-content:space-between;height:44px}.section-heading h2{font-size:30px;font-weight:800}.section-heading button{display:flex;align-items:center;gap:5px;color:var(--muted);font-size:16px;padding:0}.section-heading .icon{width:17px;height:17px}.article-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.article{height:122px;display:flex;align-items:center;text-align:left;padding:8px 18px 8px 10px;border:3px solid #fff;border-radius:14px;gap:20px;overflow:hidden}.electric{background:#fff8ee}.highwork{background:#f1f8ff}.article-image{width:183px;height:105px;object-fit:cover;border-radius:7px;flex-shrink:0}.article>span:not(.round-arrow){min-width:0;flex:1}.article strong{font-size:21px;display:block;white-space:nowrap;letter-spacing:-.6px}.article small{font-size:15px;display:block;color:#7c92b1;margin-top:5px}.round-arrow{width:37px;height:37px;border-radius:50%;background:#ffefd7;display:flex;align-items:center;justify-content:center;flex-shrink:0}.highwork .round-arrow{background:#dfedff}.round-arrow .icon{width:21px;height:21px}.vip-strip{height:48px;width:100%;background:#fff;border-radius:10px;display:flex;align-items:center;padding:0 24px;gap:17px;margin-top:10px;text-align:left}.vip-strip>.icon{width:31px;height:31px;filter:invert(59%) sepia(69%) saturate(710%) hue-rotate(349deg) brightness(103%)}.vip-strip strong{font-size:17px}.vip-description{color:var(--muted);font-size:14px;border-left:1px solid #cad6e5;margin-left:12px;padding-left:26px}.vip-more{margin-left:auto;display:flex;align-items:center;color:var(--blue);gap:5px;font-size:14px}.vip-more .icon{width:17px;height:17px}footer{color:#7e91ae;text-align:center;font-size:12px;padding-top:15px}.page-intro{font-size:15px;line-height:1.7;color:#687e9e;margin-bottom:18px}.chapter-list{display:flex;flex-direction:column;gap:10px}.chapter-list button{display:flex;text-align:left;align-items:center;gap:15px;border:1px solid #dae5f3;border-radius:10px;padding:17px}.chapter-list button>span{flex:1}.chapter-list strong{display:block;font-size:17px}.chapter-list small{display:block;font-size:13px;color:var(--muted);margin-top:5px}.chosen{background:#edf5ff!important;border-color:#0875ff!important}.preview-note{font-size:13px;color:var(--muted);line-height:1.7;margin:17px 0}.page-primary{padding:12px 22px;border-radius:9px;font-size:16px;font-weight:600}.page-primary:disabled{background:#c1d5ef}.category-options{display:flex;gap:12px;margin:18px 0 25px}.category-options button{flex:1;padding:12px 0;border:1px solid #d9e4f2;border-radius:8px}.practice-status{display:flex;justify-content:space-between;color:var(--muted);font-size:13px}progress{width:100%;height:5px;accent-color:var(--blue);margin:12px 0 24px}.question-title{font-size:21px;line-height:1.6;margin-bottom:24px}.answers{display:flex;flex-direction:column;gap:12px}.answers button{display:flex;align-items:center;gap:14px;text-align:left;padding:16px;border:1px solid #dce6f2;border-radius:10px;line-height:1.6}.answers button>span{border:1px solid #d0dff3;border-radius:7px;padding:2px 8px}.answers button.correct{background:#e8f8ef!important;border-color:#31a774!important}.answers button.incorrect{background:#fff0ee!important;border-color:#eb887b!important}.answer-explanation{background:#f1f7ff;margin-top:22px;padding:18px;border-radius:10px;font-size:14px}.answer-explanation p{margin-top:8px;line-height:1.8;color:#617696}.practice-footer{display:flex;justify-content:space-between;align-items:center;margin-top:25px}.text-button{color:var(--blue);padding:12px;font-size:14px}@media(min-width:1600px){.page{padding-top:22px}.site-header{height:94px}.hero{height:300px}.hero-copy{padding-top:62px}.hero-mascot{height:380px;width:380px}.main-actions{margin-top:20px}.action-card{height:160px}.tool-strip{margin-top:20px;padding:20px 0}.explanations{margin-top:24px}}@media(max-width:1400px){.header-inner{width:calc(100% - 100px);gap:24px}.header-inner nav{gap:30px}.brand strong{font-size:31px}.brand>img{width:63px}.page{width:calc(100% - 100px)}.hero h1{font-size:44px}.hero-copy{padding-left:48px}.hero-mascot{right:195px}.hero-note{font-size:24px}.action-card{gap:20px;padding:24px}.action-icon{width:90px;height:90px}.action-copy h2{font-size:31px}.action-copy p{font-size:16px}.exam .action-copy p{font-size:15px}.primary,.pending{font-size:17px;padding:16px 20px}.article{gap:14px;padding-right:12px}.article-image{width:165px}.article strong{font-size:18px}.article small{font-size:14px}}@media(max-width:1150px){.header-inner,.page{width:calc(100% - 48px)}.header-inner nav{gap:20px}.header-inner nav button{font-size:14px}.brand strong{font-size:27px}.brand small{font-size:10px;letter-spacing:0}.account-actions{gap:8px}.outline,.solid{padding:10px 16px}.hero-copy{padding-left:35px}.hero h1{font-size:36px}.hero p{font-size:24px}.hero-mascot{right:70px;opacity:.9}.hero-note{display:none}.action-card{gap:16px;padding:18px}.action-icon{width:70px;height:76px;border-radius:20px}.action-icon .icon{width:46px;height:46px}.action-copy h2{font-size:27px}.action-copy p{font-size:13px}.exam .action-copy p{font-size:12px}.primary,.pending{padding:14px 16px;font-size:15px}.tool strong{font-size:16px}.tool>span{font-size:12px}.article-image{width:128px}.article strong{font-size:16px}.article{gap:10px}.round-arrow{width:28px;height:28px}}@media(max-width:850px){.site-header{height:auto}.header-inner{flex-wrap:wrap;gap:15px;padding-top:12px}.brand{margin-right:auto}.header-inner nav{order:3;width:100%;height:48px;justify-content:space-between;gap:10px}.header-inner nav button{font-size:14px}.header-inner nav button.active{font-size:16px}.header-inner nav button.active:after{bottom:3px}.hero{height:260px}.hero h1{font-size:29px;white-space:normal;max-width:420px}.hero p{font-size:20px}.hero-copy{padding:36px 28px}.hero-mascot{right:-70px;top:25px;width:240px;height:280px;opacity:.35}.hero-bottom{gap:15px;flex-wrap:wrap;max-width:300px;margin-top:24px}.exam-picker{font-size:16px}.free-pill{font-size:15px}.certificate-tabs button{font-size:18px}.main-actions{grid-template-columns:1fr;gap:12px}.action-copy h2{font-size:29px}.action-copy p,.exam .action-copy p{font-size:15px}.action-card{height:125px;padding:20px 28px}.action-icon{width:80px;height:80px}.primary,.pending{padding:15px 24px}.tool-strip{grid-template-columns:repeat(3,1fr);row-gap:24px;padding:20px 0}.tool:nth-child(3):after{display:none}.tool>span{font-size:13px}.tool strong{font-size:17px}.article-grid{grid-template-columns:1fr;gap:10px}.article strong{font-size:19px}.article-image{width:160px}.vip-description{display:none}.vip-strip{padding:0 15px}.section-heading h2{font-size:26px}}@media(max-width:480px){.header-inner,.page{width:calc(100% - 28px)}.brand strong{font-size:24px}.brand>img{width:50px;height:52px}.brand small{font-size:9px}.outline,.solid{padding:9px 12px;font-size:13px}.account-actions{gap:5px}.header-inner nav button{font-size:12px}.hero h1{font-size:27px}.hero-copy{padding:33px 20px}.hero p{font-size:18px}.hero-mascot{right:-80px}.action-card{gap:13px;padding:16px}.action-icon{width:56px;height:64px;border-radius:16px}.action-icon .icon{width:38px;height:38px}.action-copy h2{font-size:25px}.action-copy p,.exam .action-copy p{font-size:11px}.primary,.pending{font-size:13px;padding:13px 15px;gap:1px}.primary .icon{width:16px}.tool>img{width:63px;height:65px}.tool>span{font-size:10px}.tool strong{font-size:15px}.article{gap:10px}.article-image{width:95px;height:88px}.article strong{font-size:14px;white-space:normal;letter-spacing:0}.article small{font-size:12px}.round-arrow{width:24px;height:24px}.vip-strip{gap:8px}.vip-strip strong{font-size:14px}.vip-more{font-size:12px}.category-options{gap:7px}}@media(min-width:1401px){.header-inner nav{margin:0 auto 0 90px;gap:55px}.hero h1{font-size:55px}.hero p{font-size:30px}.hero-mascot{width:435px;height:435px;right:200px;top:-12px}.action-copy h2{font-size:39px}.action-card{gap:34px;padding-left:30px}.action-copy p{font-size:19px}.exam .action-copy p{font-size:18px}.primary{padding:17px 28px}.tool>span{font-size:16px}.article strong{font-size:23px}.section-heading h2{font-size:32px}}.tool>img{transform:scale(1.12)}.hero-slogan{position:absolute;width:185px;height:105px;object-fit:contain;right:20px;bottom:20px;transform:rotate(-7deg)}@media(max-width:1150px){.hero-slogan{display:none}}:root{line-height:1.4}.page{padding-bottom:10px}@media(max-width:1150px){.action-copy p,.exam .action-copy p{white-space:normal;line-height:1.5}}@media(max-width:480px){.hero-mascot{display:none}}a{color:inherit;text-decoration:none}a:focus-visible{outline:3px solid #f2a634;outline-offset:4px}button:disabled{opacity:.6}.site-shell{min-height:100vh;display:flex;flex-direction:column}.site-shell>.page{flex:1}.header-inner nav a{height:100%;display:flex;align-items:center;padding:0;position:relative;white-space:nowrap;font-size:17px;font-weight:600}.header-inner nav a.active{color:var(--blue);font-size:20px}.header-inner nav a.active:after{content:"";position:absolute;bottom:13px;left:0;right:0;height:3px;background:var(--blue);border-radius:2px}.site-header{flex-shrink:0}.account-actions a{display:inline-flex;align-items:center;justify-content:center}.site-footer{padding:22px 18px;margin-top:22px;border-top:1px solid #e4ebf5;background:#fff;text-align:center;font-size:13px;color:#7b8da8;flex-shrink:0;line-height:1.7}.independent-page{flex:1;width:calc(100% - 124px);max-width:1364px;margin:0 auto;padding:25px 0 30px}.page-breadcrumb{display:flex;gap:12px;align-items:center;font-size:14px;color:#8293ac;margin-bottom:20px}.page-breadcrumb a:hover{color:var(--blue)}.page-context{color:var(--muted);font-size:14px}.page-title-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:28px}.page-title-row h1{font-size:34px;line-height:1.35;margin-top:6px;outline:none}.page-title-row .outline{font-size:14px;padding:10px 18px;background:#fff}.mode-navigation{display:flex;border-bottom:1px solid #dce6f3;margin-bottom:28px;gap:34px}.mode-navigation a{padding:0 8px 18px;font-size:18px;position:relative}.mode-navigation a.selected{color:var(--blue);font-weight:700}.mode-navigation a.selected:after{content:"";position:absolute;bottom:-1px;left:0;right:0;background:var(--blue);height:3px}.directory-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:28px}.directory-content,.settings-surface{padding:34px 38px;background:#fff;border-radius:14px}.content-heading{display:flex;justify-content:space-between;gap:15px;align-items:center;margin-bottom:26px}.content-heading h2{font-size:24px}.content-heading>span{font-size:14px;color:var(--muted)}.directory-content .chapter-list{gap:15px}.directory-content .chapter-card{padding:25px;gap:20px}.chapter-list .icon{width:32px;height:32px}.chapter-list strong{font-size:20px}.chapter-list small{font-size:14px}.chapter-state{color:var(--blue);font-size:14px;flex:0!important;white-space:nowrap}.learning-aside{background:#eaf3ff;border-radius:14px;padding:30px;text-align:center}.learning-aside>img{width:115px;height:115px;object-fit:contain}.learning-aside h2{font-size:25px;margin:15px 0}.learning-aside p{font-size:15px;color:#66809f;line-height:1.9;text-align:left}.aside-exam{border-top:1px solid #ccdff6;margin-top:25px;padding-top:23px;display:flex;flex-direction:column;gap:12px;font-size:14px}.aside-exam>span{color:var(--muted)}.aside-exam strong{font-size:17px}.aside-exam a{color:var(--blue)}.study-page{display:flex;flex-direction:column}.study-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:28px;flex:1;align-items:start}.question-surface{background:#fff;border-radius:14px;padding:36px 42px;min-height:550px;display:flex;flex-direction:column}.question-surface .practice-status{font-size:15px}.question-tag{color:#738eb3;font-size:13px;border-left:1px solid #d5e2f4;padding-left:14px;margin-left:14px}.question-surface progress{margin:20px 0 32px;flex-shrink:0}.question-surface .question-title{font-size:25px;line-height:1.65;margin-bottom:30px}.question-surface .answers{gap:16px}.question-surface .answers button{font-size:18px;padding:19px 20px}.question-surface .answers button:disabled{opacity:1}.question-surface .answers button>span{font-size:16px;min-width:34px;text-align:center}.question-surface .answer-explanation{font-size:16px;margin-top:25px}.question-surface .practice-footer{padding-top:32px;margin-top:auto}.question-actions{display:flex;align-items:center;gap:14px}.question-actions .outline{padding:12px 18px;font-size:15px}.question-actions .page-primary{padding:13px 24px}.answer-card{background:#fff;border-radius:14px;padding:28px}.answer-card h2{font-size:22px;margin-bottom:24px}.answer-card-meta{display:flex;justify-content:space-between;color:var(--muted);font-size:14px;margin-bottom:20px}.answer-card-meta strong{color:#304c70}.question-numbers{display:flex;flex-wrap:wrap;gap:12px}.question-numbers button{width:48px;height:48px;font-size:17px;background:#f3f7fc;border:1px solid #dce6f3;border-radius:8px}.question-numbers .answered{background:#e8f8ef;border-color:#8bd4b0}.question-numbers .current{background:var(--blue);color:#fff;border-color:var(--blue)}.answer-legend{display:flex;flex-direction:column;gap:8px;margin-top:20px;color:var(--muted);font-size:12px}.study-reminder{border-top:1px solid #e4ebf4;margin-top:26px;padding-top:25px}.study-reminder h3{font-size:16px;margin-bottom:12px}.study-reminder p{color:var(--muted);font-size:13px;line-height:1.8;margin-top:8px}.answer-card>.text-button{display:block;padding:24px 0 0}.standalone-result{background:#fff;border-radius:14px;text-align:center;padding:55px 30px;min-height:480px}.standalone-result>img{width:140px;height:140px;object-fit:contain}.standalone-result h2{font-size:30px;margin:20px 0 15px}.standalone-result p{color:var(--muted);font-size:17px}.standalone-result>div{display:flex;gap:20px;justify-content:center;margin-top:30px}.standalone-result .outline{font-size:15px}.settings-surface{max-width:900px}.settings-surface h2{font-size:24px;margin-bottom:18px}.exam-selection{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:25px 0}.exam-selection label{display:flex;flex-direction:column;gap:10px;font-size:15px}.exam-selection select{padding:13px;border:1px solid #d7e3f3;border-radius:8px;background:#fff;color:#183b67}.settings-surface .category-options{margin:30px 0}.standalone-empty{background:#fff;border-radius:14px;padding:60px 35px;text-align:center;min-height:420px}.standalone-empty>img{width:110px;height:110px;object-fit:contain;margin-bottom:20px}.standalone-empty h2{font-size:28px}.standalone-empty p{color:var(--muted);font-size:16px;line-height:1.9;margin:18px auto 30px;max-width:600px}.standalone-empty .page-primary,.vip-page-surface .page-primary,.account-page .page-primary,.reading-surface .page-primary{display:inline-block}.vip-page-surface{display:flex;align-items:center;gap:60px;background:#fff7e6;border-radius:14px;padding:65px;min-height:450px}.vip-page-surface>img{width:250px;height:250px;object-fit:contain}.vip-page-surface h2{font-size:35px;margin:15px 0 20px}.vip-page-surface p{font-size:16px;color:#7f8795;line-height:1.8}.vip-page-surface .preview-note{font-size:14px;margin:20px 0 30px;max-width:620px}.account-page{max-width:600px;background:#fff;margin:0 auto;padding:45px 50px;border-radius:14px;text-align:center}.account-page>img{width:110px;height:110px;object-fit:contain}.account-page h2{font-size:28px;margin:20px 0 12px}.account-page>p{font-size:15px;color:var(--muted);line-height:1.8}.account-status{padding:22px;background:#f2f7fe;border-radius:9px;margin:25px 0}.account-status p{color:var(--muted);font-size:14px;margin-top:10px}.account-page>.text-button{display:block;margin:12px 0 0}.learning-layout{display:grid;grid-template-columns:230px minmax(0,1fr);gap:25px}.learning-nav{display:flex;flex-direction:column;gap:8px;background:#fff;border-radius:14px;padding:18px;align-self:start}.learning-nav a{padding:16px;border-radius:8px;font-size:16px}.learning-nav a.selected{background:#edf5ff;color:var(--blue);font-weight:700}.explanation-directory{display:grid;grid-template-columns:1fr 1fr;gap:25px}.explanation-entry{background:#fff;border-radius:14px;overflow:hidden}.explanation-entry>img{width:100%;height:240px;object-fit:cover}.explanation-entry>div{padding:30px}.explanation-entry h2{font-size:23px}.explanation-entry p{margin:12px 0;color:var(--muted);font-size:15px}.explanation-entry .text-button{display:block;padding:12px 0 0}.reading-surface{background:#fff;border-radius:14px;overflow:hidden;display:grid;grid-template-columns:40% minmax(0,1fr)}.reading-surface>img{width:100%;height:100%;min-height:440px;object-fit:cover}.reading-surface>div{padding:45px}.reading-surface h2{font-size:29px;line-height:1.6;margin:15px 0}.reading-surface p{font-size:16px;color:var(--muted);line-height:1.8}.reading-note{margin:30px 0;padding:24px;background:#f3f7fd;border-radius:8px;font-size:15px;line-height:1.8;color:var(--muted)}.reading-surface .outline{display:inline-block;font-size:15px;margin-right:15px;padding:12px 18px}@media(max-width:1400px){.header-inner nav a{font-size:17px}.independent-page{width:calc(100% - 100px)}.directory-layout{grid-template-columns:minmax(0,1fr) 285px}.study-layout{grid-template-columns:minmax(0,1fr) 270px}.question-surface{padding:32px}.header-inner nav{margin:auto}}@media(max-width:1150px){.header-inner nav a{font-size:14px}.independent-page{width:calc(100% - 48px)}.study-layout{grid-template-columns:minmax(0,1fr) 220px;gap:20px}.question-surface{padding:28px;min-height:520px}.answer-card{padding:22px}.question-surface .question-title{font-size:23px}.question-surface .answers button{font-size:17px}.question-tag{display:none}.directory-layout{grid-template-columns:minmax(0,1fr) 250px;gap:20px}.directory-content{padding:30px}.content-heading{align-items:start;flex-direction:column}.vip-page-surface{padding:40px;gap:30px}.vip-page-surface>img{width:190px;height:190px}.vip-page-surface h2{font-size:29px}}@media(max-width:850px){.header-inner nav a{font-size:14px}.header-inner nav a.active{font-size:16px}.header-inner nav a.active:after{bottom:3px}.directory-layout,.study-layout,.learning-layout,.reading-surface{grid-template-columns:1fr}.learning-aside{display:none}.answer-card{display:flex;align-items:center;flex-wrap:wrap;gap:15px}.answer-card h2{margin:0}.answer-card-meta{margin:0 auto 0 0}.answer-legend,.study-reminder{display:none}.answer-card>.text-button{padding:0}.learning-nav{flex-direction:row;justify-content:space-between;gap:4px}.learning-nav a{padding:13px 10px;font-size:14px}.explanation-directory{grid-template-columns:1fr}.vip-page-surface{flex-direction:column;text-align:center}.vip-page-surface>img{width:150px;height:150px}.reading-surface>img{height:250px;min-height:0}.reading-surface>div{padding:30px}.page-title-row h1{font-size:29px}.question-surface .practice-status{font-size:13px}.mode-navigation{gap:15px}.mode-navigation a{font-size:16px}.site-footer{font-size:12px;padding:20px 12px}}@media(max-width:480px){.header-inner nav a{font-size:12px}.independent-page{width:calc(100% - 28px);padding-top:20px}.page-title-row{gap:15px}.page-title-row h1{font-size:26px}.page-context{font-size:12px}.page-title-row .outline{font-size:12px;padding:9px 12px;white-space:nowrap}.page-breadcrumb{font-size:12px;gap:8px}.directory-content,.settings-surface{padding:24px 18px}.directory-content .chapter-card{padding:20px 14px;gap:14px}.chapter-list strong{font-size:18px}.chapter-list small,.chapter-state{font-size:12px}.question-surface{padding:24px 18px;min-height:500px}.question-surface .question-title{font-size:21px}.question-surface .answers button{font-size:15px;gap:10px;padding:15px 12px}.question-actions{gap:8px}.question-actions .outline{font-size:13px;padding:11px 12px}.question-actions .page-primary{font-size:14px;padding:12px 16px}.practice-footer>.text-button{font-size:12px;padding:0}.answer-card{padding:20px}.question-numbers button{width:38px;height:38px;font-size:15px}.mode-navigation{gap:5px;justify-content:space-between}.mode-navigation a{font-size:14px;padding:0 4px 15px}.account-page{padding:30px 20px}.explanation-entry h2{font-size:20px}.reading-surface h2{font-size:23px}.reading-surface .outline{margin-right:8px}.standalone-result{padding:40px 15px}.standalone-result>div{gap:10px}.standalone-result .outline{padding:12px 16px}.exam-selection{grid-template-columns:1fr}.learning-nav{padding:10px}.learning-nav a{padding:12px 7px;font-size:12px}}.certificate-selector{background:#fff;margin-top:14px;border-radius:12px;padding:19px 24px 22px}.certificate-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:17px}.certificate-heading>div{display:flex;align-items:center;gap:18px}.certificate-heading h2{font-size:21px;font-weight:750}.certificate-heading>div>span{font-size:14px;color:var(--muted)}.current-certificate{font-size:14px;color:var(--blue);background:#edf5ff;border-radius:6px;padding:7px 12px}.certificate-selector .certificate-tabs{height:auto;margin:0;gap:14px;background:transparent;border-radius:0}.certificate-selector .certificate-tabs button{border:1px solid #dbe6f4;background:#f3f7fc;border-radius:10px;padding:14px 10px;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:6px;min-height:88px;color:#304969}.certificate-selector .certificate-tabs button strong{font-size:29px;line-height:1.25}.certificate-selector .certificate-tabs button span{font-size:14px;color:#7185a3;line-height:1.5}.certificate-selector .certificate-tabs button:hover{background:#e7f2ff;border-color:#85b8ff;filter:none}.certificate-selector .certificate-tabs button.selected{background:var(--blue);color:#fff;border-color:var(--blue);box-shadow:0 5px 16px #0875ff26}.certificate-selector .certificate-tabs button.selected span{color:#e0edff}.certificate-selector .certificate-tabs .selected:after{display:none}@media(max-width:1150px){.certificate-selector{padding:18px}.certificate-selector .certificate-tabs{gap:10px}.certificate-selector .certificate-tabs button span{font-size:12px}.certificate-heading>div>span{font-size:12px}}@media(max-width:850px){.certificate-heading>div{gap:8px;align-items:start;flex-direction:column}.certificate-heading h2{font-size:19px}.certificate-selector .certificate-tabs{gap:8px;flex-wrap:wrap}.certificate-selector .certificate-tabs button{flex:1 1 calc(33% - 8px);min-height:80px}.certificate-selector .certificate-tabs button strong{font-size:25px}.current-certificate,.certificate-selector .certificate-tabs button span{font-size:12px}}.question-title:focus{outline:none}.exam-start{background:#009c89}.entry-confirmation-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:20;background:#08234c66;display:flex;align-items:center;justify-content:center;padding:24px;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.entry-confirmation{background:#fff;border-radius:16px;padding:32px;width:650px;max-width:100%;max-height:90vh;overflow:auto;box-shadow:0 20px 75px #09255733;outline:none}.entry-confirmation-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:15px}.entry-confirmation-heading>div>span{font-size:13px;color:var(--muted)}.entry-confirmation h2{font-size:28px;margin-top:6px}.entry-close{background:#eff4fa;padding:9px 13px;border-radius:7px;color:#637d9f;font-size:13px}.entry-confirmation>p{font-size:15px;color:var(--muted);line-height:1.7}.confirmation-options{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.confirmation-options label{display:flex;align-items:center;gap:12px;flex:1 1 calc(50% - 12px);min-width:0;border:1px solid #dbe5f2;border-radius:10px;padding:16px 15px;cursor:pointer;background:#f8fafc}.confirmation-options input{accent-color:var(--blue);width:18px;height:18px;flex-shrink:0}.confirmation-options span{display:flex;flex-direction:column;gap:5px}.confirmation-options strong{font-size:20px}.confirmation-options small{font-size:13px;color:var(--muted)}.confirmation-options .chosen strong{color:var(--blue)}.confirmation-options label:hover{border-color:#83b7ff}.confirmation-options label:focus-within{outline:3px solid #f2a634;outline-offset:2px}.entry-selected{display:flex;justify-content:space-between;align-items:center;gap:15px;border-top:1px solid #e4ebf4;padding-top:22px;margin-top:25px;font-size:14px}.entry-selected>span{color:var(--muted)}.entry-selected strong{font-weight:600;color:#285d9e}.entry-confirmation-actions{display:flex;justify-content:flex-end;gap:15px;margin-top:25px}.entry-confirmation-actions .outline{font-size:15px;padding:12px 23px}.entry-confirmation-actions .page-primary{padding:13px 24px}@media(max-width:480px){.entry-confirmation-backdrop{padding:14px}.entry-confirmation{padding:24px 20px}.entry-confirmation h2{font-size:25px}.entry-confirmation>p{font-size:14px}.confirmation-options{gap:10px}.confirmation-options label{padding:13px 10px;gap:8px}.confirmation-options small{font-size:11px}.confirmation-options strong{font-size:18px}.entry-selected{font-size:12px}.entry-confirmation-actions{gap:10px}.entry-confirmation-actions .page-primary{font-size:14px;padding:12px 16px}}.directory-content .chapter-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.directory-content .chapter-card{aspect-ratio:1;width:100%;min-width:0;padding:24px 18px;flex-direction:column;justify-content:center;align-items:center;text-align:center;gap:18px;border-radius:12px}.directory-content .chapter-list .icon{width:44px;height:44px}.directory-content .chapter-card>span{flex:0!important}.directory-content .chapter-list strong{font-size:22px;line-height:1.4}.directory-content .chapter-list small{font-size:14px;line-height:1.6;margin-top:8px}.directory-content .chapter-list .chapter-state{font-size:14px;line-height:1.5}.directory-content .chapter-card:hover{border-color:#88baff;background:#f4f8ff}@media(max-width:1150px){.directory-content .chapter-list{gap:14px}.directory-content .chapter-card{padding:18px 12px;gap:12px}.directory-content .chapter-list .icon{width:36px;height:36px}.directory-content .chapter-list strong{font-size:19px}.directory-content .chapter-list small{font-size:12px;margin-top:6px}.directory-content .chapter-list .chapter-state{font-size:13px}}@media(max-width:1000px){.directory-layout{grid-template-columns:1fr}.learning-aside{display:none}}@media(max-width:650px){.directory-content .chapter-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.directory-content .chapter-card{gap:10px;padding:18px 10px}.directory-content .chapter-list strong{font-size:18px}.directory-content .chapter-list .icon{width:32px;height:32px}.directory-content .chapter-list small{font-size:11px}.directory-content .chapter-list .chapter-state{font-size:12px}}.site-footer .icp-link{display:block;width:fit-content;margin:6px auto 0;color:#7185a3}.site-footer .icp-link:hover{color:var(--blue);text-decoration:underline}.service-notice{background:#edf5ff;border:1px solid #d4e5fc;border-radius:9px;color:#4e719b;padding:16px 20px;line-height:1.8;font-size:14px;margin:15px 0}.service-error{background:#fff4f1;border-color:#f1cfc5;color:#a14e3c}.preserve-lines{white-space:pre-wrap;overflow-wrap:anywhere}.chapter-group{margin:25px 0}.chapter-group>h3{font-size:17px;color:#4d6c94;margin-bottom:15px}.type-filters{display:flex;flex-wrap:wrap;gap:9px;margin-top:25px}.type-filters button{padding:9px 12px;border:1px solid #dbe5f2;background:#f7faff;border-radius:7px;font-size:13px}.real-question+.real-question{border-top:1px solid #e1e9f4;padding-top:30px;margin-top:30px}.real-question-heading{display:flex;align-items:center;justify-content:space-between;margin:14px 0 10px}.standalone-tag{display:inline-block;margin:0;border:0;padding:5px 9px;background:#edf5ff;border-radius:6px;color:#3f79bf}.question-image{display:block;max-width:100%;height:auto;max-height:500px;object-fit:contain;margin:18px 0}.case-material{padding:22px;background:#f5f8fc;border-radius:9px;line-height:1.9;font-size:17px;margin-bottom:24px}.case-material h2{font-size:20px;margin-top:12px;line-height:1.8}.question-submit{margin-top:22px}.explanation-source{margin-top:15px;padding-top:12px;border-top:1px solid #d8e5f4}.explanation-source a{display:inline-block;margin-top:5px;text-decoration:underline;color:#2168d1}.card-paging{display:flex;justify-content:space-between;margin-top:20px;font-size:13px;color:var(--blue)}.card-paging button{padding:8px 0}.auto-advance{display:flex;align-items:center;gap:8px;font-size:13px;margin-top:20px;color:#607a9d}.auto-advance input{accent-color:var(--blue)}.form-label{display:flex;flex-direction:column;text-align:left;font-size:14px;font-weight:600;color:#4e6d95;gap:10px;margin-top:20px}.form-label select{font:inherit;padding:11px;border-radius:7px;border:1px solid #d4e0f1;background:#fff}.account-page form{margin-top:25px}.account-page input:not([type=checkbox]){display:block;width:100%;min-width:0;padding:14px;border:1px solid #d0def1;border-radius:8px;font:inherit;font-size:16px;color:#193d6c;background:#fbfdff}.code-input{display:flex;gap:12px;margin-top:10px}.code-input .outline{padding:10px 15px;font-size:14px;flex-shrink:0}.consent-row{display:flex;gap:9px;align-items:start;text-align:left;margin:20px 0;font-size:12px;line-height:1.8;color:#7387a4}.consent-row input{accent-color:var(--blue);margin-top:5px}.consent-row a{color:var(--blue);margin:0 4px}.login-submit{display:block;width:100%}.account-page input#login-phone{margin-top:10px}.policy-page{background:#fff;padding:35px 45px;border-radius:13px;max-width:1000px;line-height:2}.policy-page p{margin-top:20px;color:#647e9d;font-size:15px}.account-summary{display:flex;justify-content:space-between;align-items:center;background:#fff;padding:28px 32px;border-radius:13px;margin-bottom:24px}.account-summary h2{margin-top:8px;font-size:25px}.learning-statistics{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.learning-statistics>div{display:flex;flex-direction:column;gap:12px;background:#fff;border-radius:12px;padding:26px}.learning-statistics span{color:var(--muted);font-size:14px}.learning-statistics strong{font-size:35px}.learning-shortcuts{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:25px 0}.learning-shortcuts a{display:flex;align-items:center;gap:20px;border:1px solid #dbe6f5;background:#fff;border-radius:12px;padding:20px 25px}.learning-shortcuts img{width:65px;height:65px;object-fit:contain}.recent-history,.exam-history-list{background:#fff;padding:30px;border-radius:13px;margin-top:25px}.recent-history>div{display:flex;align-items:start;gap:15px;padding:18px 0;border-top:1px solid #e5edf6;margin-top:16px;font-size:14px}.recent-history p{flex:1;line-height:1.8}.recent-history time{font-size:12px;color:var(--muted);white-space:nowrap}.history-correct{color:#238361;white-space:nowrap}.history-wrong{color:#b06b37;white-space:nowrap}.exam-rule-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.exam-rule-grid>.standalone-empty{grid-column:1/-1}.exam-rule-card{background:#fff;padding:30px;border-radius:13px;border:1px solid #e1eaf5}.exam-rule-card h2{font-size:25px;margin:12px 0 18px}.exam-rule-card p{color:var(--muted);font-size:15px}.exam-rule-card .text-button{display:block;padding:20px 0 0}.exam-rule-summary{font-size:18px;color:#4d719c;margin:22px 0;line-height:1.8}.exam-history-item{display:flex;align-items:center;justify-content:space-between;gap:25px;padding:22px 0;border-bottom:1px solid #e5edf6}.exam-history-item strong{display:block;font-size:17px}.exam-history-item small{display:block;font-size:13px;color:var(--muted);margin-top:10px}.exam-history-item>span:last-child{font-size:14px;color:var(--blue)}.exam-timing{display:flex;align-items:center;justify-content:space-between;padding:18px 24px;margin-bottom:22px;background:#fff;border-radius:10px;font-size:14px;color:var(--muted)}.exam-timing strong{color:#e27532;font-size:25px;margin-left:12px;font-variant-numeric:tabular-nums}.submit-exam-actions{display:flex;flex-direction:column;gap:15px;margin-top:25px;text-align:center}.submit-exam-actions .outline{font-size:14px;padding:12px}.exam-report{padding:35px 42px;background:#fff;border-radius:13px}.exam-report h3{margin-top:25px}.exam-score{font-size:40px;font-weight:700;margin:15px 0}.exam-review-question{padding:22px;background:#f7faff;border:1px solid #dfe9f5;margin:25px 0;border-radius:10px}.exam-report>.page-primary{display:inline-block;margin-top:30px}@media(max-width:1150px){.directory-content .chapter-card{padding:14px 10px;gap:10px}.directory-content .chapter-list strong{font-size:18px}.learning-shortcuts a{padding:18px;gap:15px}.learning-shortcuts img{width:50px;height:50px}.recent-history>div{flex-wrap:wrap}}@media(max-width:850px){.learning-statistics{grid-template-columns:repeat(2,1fr)}.learning-shortcuts{gap:12px}.learning-shortcuts a{flex-direction:column;gap:10px;font-size:15px}.exam-rule-grid{grid-template-columns:1fr}.exam-timing{gap:15px;flex-wrap:wrap}.type-filters{margin-top:20px}.policy-page{padding:25px}}@media(max-width:480px){.question-submit{width:100%}.code-input{gap:8px}.code-input .outline{padding:10px;font-size:12px}.consent-row{font-size:11px}.learning-statistics>div{padding:20px}.learning-statistics strong{font-size:30px}.recent-history,.exam-history-list,.exam-report{padding:22px 18px}.recent-history>div{font-size:13px;gap:10px}.exam-history-item{gap:10px}.exam-history-item strong{font-size:15px}.exam-rule-card{padding:24px}.case-material{font-size:15px;padding:18px}.question-numbers{max-height:360px;overflow:auto}.learning-shortcuts img{width:45px;height:45px}}.main-actions .primary{--entry-shadow:8 117 255;--entry-hover:#0066e8;transition:transform .22s cubic-bezier(.2,.8,.2,1),box-shadow .22s ease,background-color .22s ease}.main-actions .exam-start{--entry-shadow:0 156 137;--entry-hover:#008b7a}.main-actions .primary .icon{transition:transform .22s cubic-bezier(.2,.8,.2,1)}@media(hover:hover)and (pointer:fine){.main-actions .primary:hover:not(:disabled){transform:translateY(-3px) scale(1.025);background:var(--entry-hover);box-shadow:0 10px 24px rgb(var(--entry-shadow)/.28);filter:none}.main-actions .primary:hover:not(:disabled) .icon{transform:translate(4px)}}.main-actions .primary:focus-visible{transform:translateY(-3px) scale(1.025);background:var(--entry-hover);box-shadow:0 10px 24px rgb(var(--entry-shadow)/.28)}.main-actions .primary:focus-visible .icon{transform:translate(4px)}.main-actions .primary:active:not(:disabled){transform:translateY(0) scale(.98);box-shadow:0 3px 8px rgb(var(--entry-shadow)/.2)}@media(prefers-reduced-motion:reduce){.main-actions .primary,.main-actions .primary .icon{transition:none}.main-actions .primary:is(:hover,:focus-visible,:active),.main-actions .primary:is(:hover,:focus-visible,:active) .icon{transform:none}}.directory-content .chapter-card{display:flex;padding:22px 14px;gap:12px;border:1px solid #dae5f3;background:#fff}.directory-content .chapter-card .chapter-select{display:flex;flex:1;width:100%;min-height:0;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:0;border:0;border-radius:6px;background:transparent;text-align:center}.directory-content .chapter-card .chapter-select>span{flex:0}.directory-content .chapter-card .chapter-select>.icon{width:36px;height:36px}.directory-content .chapter-card strong{font-size:20px;line-height:1.4}.directory-content .chapter-card small{font-size:13px;line-height:1.5;margin-top:7px}.directory-content .chapter-card .chapter-start{display:inline-flex;flex:none;width:auto;min-width:132px;align-items:center;justify-content:center;gap:8px;padding:10px 18px;border:1px solid var(--blue);border-radius:8px;background:var(--blue);color:#fff;font-size:14px;line-height:1.2;white-space:nowrap}.directory-content .chapter-card .chapter-start>.icon{width:16px;height:16px}.directory-content .chapter-card .chapter-start>span{flex:0}.directory-content .chapter-card .chapter-start:hover:not(:disabled){background:#0066e8;box-shadow:0 5px 12px #0875ff24}@media(max-width:1150px){.directory-content .chapter-card{padding:16px 10px;gap:10px}.directory-content .chapter-card .chapter-select{gap:10px}.directory-content .chapter-card .chapter-select>.icon{width:32px;height:32px}.directory-content .chapter-card strong{font-size:18px}.directory-content .chapter-card small{font-size:12px}.directory-content .chapter-card .chapter-start{min-width:120px;padding:9px 14px;font-size:13px}}@media(max-width:650px){.directory-content .chapter-card{padding:10px 8px;gap:6px}.directory-content .chapter-card .chapter-select{gap:6px}.directory-content .chapter-card .chapter-select>.icon{width:24px;height:24px}.directory-content .chapter-card strong{font-size:15px;line-height:1.3}.directory-content .chapter-card small{font-size:10px;margin-top:5px}.directory-content .chapter-card .chapter-start{min-width:0;padding:8px 10px;font-size:12px}}.practice-type-backdrop{z-index:30}.practice-type-dialog{width:600px}.practice-type-dialog .practice-type-chapter{margin-top:6px;font-size:18px;font-weight:600;color:#24466e;line-height:1.6}.practice-type-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;padding:0;margin:24px 0 0;border:0;min-width:0}.practice-type-option{display:flex;align-items:center;gap:14px;padding:17px 18px;border:1px solid #dce6f3;border-radius:10px;background:#f8fafd;cursor:pointer;transition:background-color .16s,border-color .16s}.practice-type-option.all-types{grid-column:1/-1}.practice-type-option input{width:18px;height:18px;margin:0;accent-color:var(--blue);flex-shrink:0}.practice-type-option>span{display:flex;flex-direction:column;gap:6px;min-width:0}.practice-type-option strong{font-size:17px;line-height:1.4}.practice-type-option small{font-size:13px;color:var(--muted)}.practice-type-option:hover{background:#f0f6ff;border-color:#83b7ff}.practice-type-option.is-selected{background:#edf5ff;border-color:var(--blue)}.practice-type-option.is-selected strong{color:var(--blue)}.practice-type-option:focus-within{outline:3px solid #f2a634;outline-offset:2px}.practice-type-hint{font-size:13px;line-height:1.7;color:var(--muted);margin-top:18px}@media(max-width:480px){.practice-type-dialog{padding:24px 20px}.practice-type-dialog .practice-type-chapter{font-size:16px}.practice-type-options{gap:10px}.practice-type-option{padding:13px 11px;gap:9px}.practice-type-option strong{font-size:15px}.practice-type-option small{font-size:12px}.practice-type-dialog .entry-confirmation-actions{gap:10px}.practice-type-dialog .entry-confirmation-actions .page-primary{padding:12px 16px;font-size:14px}}