:root{--theme-accent:#a86433;--theme-accent-dark:#8d4e29;--theme-bg:#fff9f2;--theme-price:#5d2519;--theme-cta:linear-gradient(100deg,#ce654d,#bd402e);color:#3d2614;background:var(--theme-bg);font-family:Inter,PingFang SC,Microsoft YaHei,system-ui,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}*{box-sizing:border-box}html{scroll-behavior:smooth}body{min-width:320px;margin:0;background:var(--theme-bg)}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #a8643347;outline-offset:2px}.login-gate{position:relative;min-height:100vh;overflow:hidden;padding:0 24px;color:#442b17;background:radial-gradient(circle at 8% 5%,#a8643326,transparent 25rem),radial-gradient(circle at 94% 90%,#daa47a1c,transparent 28rem),linear-gradient(145deg,#fefcf9,var(--theme-bg) 56%,#fffaf0)}.login-gate__ambient{position:absolute;border-radius:50%;pointer-events:none}.login-gate__ambient--one{top:120px;left:-180px;width:360px;height:360px;border:70px solid #a864330b}.login-gate__ambient--two{right:-90px;bottom:-120px;width:270px;height:270px;background:linear-gradient(145deg,#f7b92815,#8d4e2913);filter:blur(5px)}.login-gate__header{position:relative;z-index:3;display:flex;align-items:center;justify-content:space-between;width:min(1180px,100%);height:86px;margin:0 auto}.login-gate__main{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(390px,.72fr);gap:28px;width:min(1180px,100%);min-height:calc(100vh - 158px);margin:0 auto;padding:28px 0 50px}.login-showcase{position:relative;display:flex;overflow:hidden;flex-direction:column;justify-content:center;min-height:610px;padding:64px;border:1px solid #ffffff8f;border-radius:32px;color:#fff;background:linear-gradient(135deg,#a5622f,var(--theme-accent) 48%,#d49768);box-shadow:0 38px 90px #9c5d2c3b}.login-showcase:before{position:absolute;top:0;right:0;bottom:0;left:0;content:"";background-image:radial-gradient(#ffffff2b 1px,transparent 1px);background-size:22px 22px;opacity:.5;-webkit-mask-image:linear-gradient(90deg,#000,transparent 72%);mask-image:linear-gradient(90deg,#000,transparent 72%)}.login-showcase:after{position:absolute;right:-170px;bottom:-220px;width:520px;height:520px;border:72px solid #ffffff10;border-radius:50%;content:""}.login-showcase>*{position:relative;z-index:2}.login-showcase__eyebrow{display:flex;align-items:center;gap:9px;color:#fbeddf;font-size:13px;font-weight:750;letter-spacing:.08em}.login-showcase__eyebrow i{width:28px;height:3px;border-radius:99px;background:#ffd46f;box-shadow:0 0 15px #ffd46faa}.login-showcase h1{margin:22px 0 16px;font-size:clamp(42px,5vw,64px);line-height:1.12;letter-spacing:-.045em}.login-showcase h1 em{color:#ffe4a0;font-style:normal}.login-showcase>p{max-width:580px;margin:0;color:#ffffffc7;font-size:15px;line-height:1.85}.login-showcase__course{display:flex;align-items:center;justify-content:space-between;gap:24px;width:min(470px,100%);margin-top:36px;padding:19px 21px;border:1px solid #ffffff52;border-radius:19px;background:#ffffff16;box-shadow:inset 0 1px #ffffff2b;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.login-showcase__course span,.login-showcase__course strong{display:block}.login-showcase__course span{color:#fbeee0;font-size:11px}.login-showcase__course strong{margin-top:3px;color:#fff;font-size:30px}.login-showcase__course b{padding:8px 11px;border-radius:9px;color:#795100;background:#ffe29a;font-size:10px}.login-showcase__features{display:flex;flex-wrap:wrap;gap:13px 20px;margin-top:30px;color:#ffffffd9;font-size:11px}.login-showcase__features span{display:flex;align-items:center;gap:6px}.login-showcase__features i{display:grid;width:18px;height:18px;place-items:center;border-radius:50%;color:#fff;background:#ffffff29;font-size:9px;font-style:normal}.login-card{align-self:center;padding:38px 36px 30px;border:1px solid #fff;border-radius:28px;background:#fffffff2;box-shadow:0 32px 80px #653e201f;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}.login-card__badge{display:inline-flex;padding:7px 10px;border:1px solid #f8e2cc;border-radius:999px;color:var(--theme-accent);background:#fdf6f0;font-size:10px;font-weight:800}.login-card h2{margin:18px 0 7px;color:#452b17;font-size:31px}.login-card>p{margin:0 0 27px;color:#a59487;font-size:11px}.login-card form{display:grid;gap:17px}.login-field>span{display:block;margin-bottom:8px;color:#755842;font-size:11px;font-weight:750}.login-field>div{display:flex;align-items:center;min-height:50px;border:1px solid #efe5db;border-radius:13px;background:#fff;transition:.2s}.login-field>div:focus-within{border-color:var(--theme-accent);box-shadow:0 0 0 4px #a8643312}.login-field b{padding:0 12px;border-right:1px solid #f1ebe4;color:#6f523c;font-size:12px}.login-field input{min-width:0;height:48px;flex:1;padding:0 13px;border:0;outline:0;color:#513622;background:transparent;font-size:13px}.login-field input::placeholder{color:#bdb0a6}.login-field button{align-self:stretch;min-width:104px;margin:5px;padding:0 12px;border:0;border-radius:9px;color:var(--theme-accent);background:#fdf6ef;font-size:10px;font-weight:750;cursor:pointer}.login-field button:disabled{color:#b8a698;background:#f7f4f1;cursor:not-allowed}.login-agreement{display:flex;align-items:flex-start;gap:8px;color:#9d8a7c;font-size:10px;line-height:1.6;cursor:pointer}.login-agreement input{flex:none;margin-top:2px;accent-color:var(--theme-accent)}.login-agreement em{color:var(--theme-accent);font-style:normal}.login-message{display:flex;align-items:flex-start;gap:8px;margin-top:-4px;padding:9px 11px;border:1px solid #f0d498;border-radius:10px;color:#7f612b;background:#fff8e9;font-size:10px;line-height:1.5}.login-message i{display:grid;flex:none;width:16px;height:16px;place-items:center;border-radius:50%;color:#fff;background:#e7a52f;font-size:9px;font-style:normal;font-weight:800}.login-submit{display:flex;align-items:center;justify-content:center;gap:9px;min-height:52px;border:0;border-radius:13px;color:#fff;background:var(--theme-cta);box-shadow:0 15px 30px #a8643335;font-size:14px;font-weight:800;cursor:pointer}.login-submit span{font-size:20px;line-height:1}.login-submit>i{width:16px;height:16px;border:2px solid #ffffff73;border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}.login-submit:disabled{opacity:.65;cursor:progress}.login-card__safe{display:flex;align-items:center;gap:10px;margin-top:21px;padding-top:19px;border-top:1px solid #f5f1ed}.login-card__safe>span{display:grid;width:34px;height:34px;place-items:center;border-radius:11px;color:#fff;background:#18a875;font-size:10px;font-weight:800}.login-card__safe strong,.login-card__safe small{display:block}.login-card__safe strong{color:#735742;font-size:10px}.login-card__safe small{margin-top:3px;color:#b2a499;font-size:8px}.login-gate__footer{position:relative;z-index:2;height:72px;color:#aa9a8d;text-align:center;font-size:10px}.user-pill--button{border:1px solid #ffffffdb;cursor:pointer}.user-pill--button small{margin-left:5px;color:#aa9a8d;font-size:9px}.purchase-app{--exam-accent:var(--theme-accent);position:relative;min-height:100vh;overflow:hidden;padding:0 max(22px,calc((100vw - 1320px)/2));background:#fff}.ambient{position:absolute;z-index:0;border-radius:50%;filter:blur(2px);pointer-events:none}.ambient--one{top:155px;left:-150px;width:290px;height:290px;border:64px solid #a864330b}.ambient--two{top:690px;right:-110px;width:220px;height:220px;background:linear-gradient(135deg,#f59e0b0f,#8d4e2914)}.purchase-header{position:relative;z-index:20;display:flex;align-items:center;justify-content:space-between;height:78px}.purchase-brand{display:flex;align-items:center;gap:11px;color:inherit;text-decoration:none}.purchase-brand img{width:42px;height:42px;border-radius:13px;box-shadow:0 10px 26px #a864333d}.purchase-brand strong,.purchase-brand small{display:block}.purchase-brand strong{color:#3b2311;font-size:18px;letter-spacing:.04em}.purchase-brand small{margin-top:2px;color:#9a8371;font-size:11px;letter-spacing:.1em}.purchase-header__right{display:flex;align-items:center;gap:12px}.secure-pill,.user-pill{display:inline-flex;align-items:center;gap:6px;padding:8px 12px;border:1px solid #ffffffdb;border-radius:999px;color:#7f644f;background:#ffffffb8;box-shadow:0 8px 26px #744a2a12;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);font-size:12px}.secure-pill i{display:grid;width:17px;height:17px;place-items:center;border-radius:50%;color:#fff;background:#18a875;font-size:10px;font-style:normal}.user-pill{color:var(--theme-accent)}.back-link{color:#583c26;font-size:13px;font-weight:650;text-decoration:none}.back-link span{color:var(--theme-accent)}.demo-banner,.inline-notice{position:relative;z-index:5;display:flex;align-items:center;gap:10px;margin-bottom:14px;padding:10px 15px;border:1px solid #f5d9a0;border-radius:12px;color:#7b5720;background:#fff8e7e0;font-size:12px}.demo-banner span{color:#9a7538}.inline-notice{border-color:#f7dfc7;color:#895228;background:#fdf6f0}.inline-notice>span{display:grid;width:18px;height:18px;place-items:center;border-radius:50%;color:#fff;background:var(--theme-accent);font-weight:800}.inline-notice button{margin-left:auto;border:0;color:inherit;background:transparent;cursor:pointer}.purchase-toast{position:fixed;z-index:240;top:50%;left:50%;display:flex;align-items:center;gap:9px;width:max-content;max-width:min(86vw,360px);padding:13px 16px;border:1px solid #ffffff2e;border-radius:14px;color:#fff;background:#3e2818e8;box-shadow:0 18px 50px #22140959;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);font-size:13px;font-weight:650;line-height:1.55;transform:translate(-50%,-50%);animation:toastIn .2s ease}.purchase-toast span{display:grid;flex:none;width:21px;height:21px;place-items:center;border-radius:50%;color:#5b3900;background:#ffd477;font-size:12px;font-weight:900}@keyframes toastIn{0%{opacity:0;transform:translate(-50%,calc(-50% + 10px))}to{opacity:1;transform:translate(-50%,-50%)}}.purchase-hero{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.18fr) minmax(340px,.82fr);min-height:390px;overflow:hidden;border:1px solid #ffffffdb;border-radius:32px;color:#fff;background:linear-gradient(128deg,#a8632f,var(--theme-accent) 48%,var(--theme-accent-dark));box-shadow:0 34px 90px #9c5d2c3d}.purchase-hero:before{position:absolute;top:0;right:0;bottom:0;left:0;content:"";background-image:radial-gradient(#ffffff29 1px,transparent 1px);background-size:22px 22px;opacity:.52;-webkit-mask-image:linear-gradient(90deg,#000,transparent 60%);mask-image:linear-gradient(90deg,#000,transparent 60%)}.purchase-hero:after{position:absolute;right:-100px;bottom:-190px;width:520px;height:520px;border:70px solid #ffffff12;border-radius:50%;content:""}.purchase-hero__copy{position:relative;z-index:2;align-self:center;padding:58px 20px 58px 62px}.hero-kicker{display:inline-flex;align-items:center;gap:8px;color:#fbeddf;font-size:14px;font-weight:700;letter-spacing:.08em}.hero-kicker i{width:24px;height:3px;border-radius:99px;background:#ffd36a;box-shadow:0 0 16px #ffd36acc}.purchase-hero h1{margin:17px 0 16px;font-size:clamp(42px,5vw,66px);line-height:1.08;letter-spacing:-.04em}.purchase-hero h1 em{color:#ffe7a6;font-style:normal}.purchase-hero__copy>p{max-width:680px;margin:0;color:#ffffffc7;font-size:16px;line-height:1.8}.hero-promises{display:flex;flex-wrap:wrap;gap:11px 20px;margin-top:27px;color:#ffffffdb;font-size:12px}.hero-visual{position:relative;z-index:2;min-height:390px}.hero-visual__halo{position:absolute;top:50%;left:48%;width:300px;height:300px;border-radius:50%;background:#ffffff21;box-shadow:0 0 0 38px #ffffff0d,0 0 0 80px #ffffff06;transform:translate(-50%,-50%)}.hero-card{position:absolute;border:1px solid #ffffff80;color:#422a17;background:#ffffffe6;box-shadow:0 28px 70px #56331840;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.hero-card--main{top:74px;left:9%;width:min(78%,320px);padding:28px;border-radius:26px;transform:rotate(-3deg)}.hero-card--main>span,.hero-card--main>strong,.hero-card--main>small{display:block}.hero-card--main>span{color:#967f6d;font-size:11px;font-weight:700;letter-spacing:.12em}.hero-card--main>strong{margin-top:11px;font-size:25px}.hero-card--main>small{margin-top:8px;color:#8f735e}.hero-card__progress{height:8px;margin-top:26px;overflow:hidden;border-radius:99px;background:#f7eadd}.hero-card__progress i{display:block;width:72%;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--exam-accent),#e0b492)}.hero-card--float{top:38px;right:10%;display:flex;align-items:center;gap:8px;padding:12px 16px;border-radius:17px;transform:rotate(7deg)}.hero-card--float b{color:var(--theme-accent);font-size:24px}.hero-card--float span{color:#826752;font-size:11px}.hero-card--course{right:4%;bottom:66px;display:grid;gap:3px;width:210px;padding:16px 18px;border-radius:18px;transform:rotate(4deg)}.hero-card--course span{color:#d8a177;font-size:11px;font-weight:800}.hero-card--course b{font-size:14px}.mobile-exam-tabs{display:none}.purchase-layout{position:relative;z-index:3;display:grid;grid-template-columns:220px minmax(0,1fr) 250px;gap:22px;align-items:start;margin-top:28px}.exam-sidebar,.order-summary,.catalog-section,.purchase-notes,.coming-card{border:1px solid #f3eae1;background:#fffffff0;box-shadow:0 18px 50px #6c442612}.exam-sidebar{position:sticky;top:18px;overflow:hidden;border-radius:22px}.exam-sidebar__head{padding:22px 18px 14px}.exam-sidebar__head span,.exam-sidebar__head small{display:block}.exam-sidebar__head span{font-size:15px;font-weight:800}.exam-sidebar__head small{margin-top:4px;color:#ad998a;font-size:11px}.exam-sidebar nav{display:grid;gap:5px;padding:0 8px 12px}.exam-sidebar nav button{display:flex;align-items:center;gap:10px;width:100%;padding:11px 10px;border:0;border-radius:14px;color:#856c59;text-align:left;background:transparent;cursor:pointer}.exam-sidebar nav button:hover{background:#fdf9f5}.exam-sidebar nav button.is-active{color:#5a361a;background:linear-gradient(90deg,#fdf6ef,#fefaf6);box-shadow:inset 3px 0 var(--exam-accent)}.exam-sidebar nav i{display:grid;flex:none;width:34px;height:34px;place-items:center;border-radius:11px;color:#fff;background:var(--exam-accent);font-size:12px;font-style:normal;font-weight:800;box-shadow:0 6px 15px #77472229}.exam-sidebar nav span{min-width:0;flex:1}.exam-sidebar nav strong,.exam-sidebar nav small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.exam-sidebar nav strong{font-size:13px}.exam-sidebar nav small{margin-top:3px;color:#b2a296;font-size:9px}.exam-sidebar nav b{color:var(--theme-accent);font-size:20px}.exam-sidebar nav em{flex:none;color:#b8a79a;font-size:9px;font-style:normal}.sidebar-help{margin:7px 10px 10px;padding:16px;border-radius:16px;color:#fff;background:linear-gradient(135deg,#563318,#925729)}.sidebar-help span,.sidebar-help strong{display:block}.sidebar-help span{color:#e0c7ae;font-size:9px}.sidebar-help strong{margin-top:5px;font-size:13px}.sidebar-help button{margin-top:12px;padding:7px 10px;border:1px solid #ffffff47;border-radius:8px;color:#fff;background:#ffffff1a;font-size:10px;cursor:pointer}.catalog-main{display:flex;min-width:0;flex-direction:column;gap:20px}.catalog-section,.purchase-notes{padding:28px;border-radius:22px}.section-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;margin-bottom:22px}.section-heading span{color:var(--exam-accent);font-size:9px;font-weight:850;letter-spacing:.18em}.section-heading h2{margin:5px 0 4px;color:#412815;font-size:22px}.section-heading p{margin:0;color:#a69385;font-size:12px}.section-heading__tag{align-self:center;padding:8px 11px;border:1px solid #ffe2a4;border-radius:999px;color:#966817;background:#fff9e9;font-size:10px}.membership-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:13px}.membership-card{position:relative;min-height:168px;overflow:hidden;padding:28px 14px 15px;border:1px solid #f0e8e1;border-radius:18px;color:#5a3d26;text-align:center;background:linear-gradient(180deg,#fff,#fefcfb);cursor:pointer;transition:.22s ease}.membership-card:hover{transform:translateY(-3px);border-color:#f3cea8;box-shadow:0 14px 34px #a864331c}.membership-card.is-selected{border:2px solid var(--exam-accent);background:linear-gradient(180deg,#a864330f,#fff);box-shadow:0 15px 36px #a8643321}.membership-card.is-recommended{background:linear-gradient(180deg,#fff9e7,#fff)}.recommend-ribbon{position:absolute;top:0;left:0;right:0;padding:5px;color:#744b00;background:linear-gradient(90deg,#ffe39b,#ffd166);font-size:9px;font-weight:850;letter-spacing:.08em}.discount-chip{position:absolute;top:10px;right:9px;padding:4px 6px;border-radius:7px;color:var(--theme-price);background:#fff0ea;font-size:8px;font-weight:800}.membership-card.is-recommended .discount-chip{top:31px}.membership-card>strong{display:block;font-size:18px}.membership-card__price{margin-top:8px;color:#422a17;font-size:34px;font-weight:850;line-height:1.1}.membership-card__price small{margin-right:2px;font-size:14px}.membership-card del,.price-placeholder{display:block;min-height:17px;margin-top:5px;color:#bdaea2;font-size:10px}.validity{display:block;margin-top:11px;padding-top:9px;border-top:1px dashed #eee8e2;color:#8e7766;font-size:10px}.select-check{position:absolute;right:-1px;bottom:-1px;display:none;width:30px;height:30px;padding:8px 0 0 9px;border-radius:18px 0 17px;color:#fff;background:var(--exam-accent);font-size:10px;font-style:normal}.membership-card.is-selected .select-check{display:block}.benefit-section{background:linear-gradient(150deg,#fff,#fefcfa)}.benefit-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.benefit-grid article{position:relative;min-height:142px;overflow:hidden;padding:17px 14px;border:1px solid #f4ece5;border-radius:17px;background:#fff}.benefit-grid article:after{position:absolute;right:-22px;bottom:-32px;width:75px;height:75px;border-radius:50%;content:"";background:#a8643314}.benefit-grid article>div{display:grid;width:36px;height:36px;place-items:center;border-radius:12px;color:#fff;background:linear-gradient(135deg,var(--exam-accent),#e1b593);box-shadow:0 8px 20px #a864332e;font-size:12px;font-weight:850}.benefit-grid article strong{display:block;margin-top:12px;font-size:14px}.benefit-grid article p{margin:6px 0 0;color:#a38f7f;font-size:10px;line-height:1.55}.benefit-grid article>span{position:absolute;top:17px;right:12px;color:#beb0a5;font-size:8px}.course-card{display:grid;grid-template-columns:130px minmax(0,1fr) 112px;gap:18px;width:100%;padding:14px;border:1px solid #f1eae2;border-radius:19px;color:inherit;text-align:left;background:#fff;cursor:pointer;transition:.22s ease}.course-card:hover,.course-card.is-selected{border-color:#e7c8a8;box-shadow:0 14px 35px #a8643317;transform:translateY(-2px)}.course-card.is-selected{box-shadow:inset 3px 0 var(--exam-accent),0 14px 35px #a8643317}.course-cover{position:relative;display:flex;overflow:hidden;flex-direction:column;justify-content:flex-end;min-height:154px;padding:16px;border-radius:14px;color:#fff;background:linear-gradient(145deg,#b36a32,#d39565);box-shadow:inset 0 0 0 1px #ffffff2e}.course-cover:before{position:absolute;top:-45px;right:-35px;width:110px;height:110px;border:23px solid #ffffff1a;border-radius:50%;content:""}.course-cover>span{position:absolute;top:13px;left:14px;color:#ffffffb3;font-size:8px;letter-spacing:.14em}.course-cover>strong{position:relative;font-size:16px}.course-cover>em{position:relative;margin-top:3px;color:#ffe5a5;font-size:11px;font-style:normal}.course-cover>div{position:relative;display:flex;gap:4px;margin-top:13px}.course-cover>div i{width:16px;height:3px;border-radius:99px;background:#fff9}.course-copy{min-width:0;padding:5px 0}.product-type{display:inline-flex;padding:4px 7px;border-radius:6px;font-size:8px;font-weight:800;letter-spacing:.05em}.product-type--membership{color:#815800;background:#fff3ca}.product-type--course{color:#c17337;background:#fcf4ec}.course-copy h3{margin:9px 0 5px;font-size:16px}.course-copy>p{margin:0;color:#988373;font-size:10px;line-height:1.6}.course-meta{display:flex;flex-wrap:wrap;gap:8px 13px;margin-top:10px;color:#866f5d;font-size:9px}.course-includes{display:flex;flex-wrap:wrap;gap:5px 9px;margin-top:13px;color:#3f765d;font-size:9px}.course-price{display:flex;flex-direction:column;align-items:flex-end;justify-content:center;padding-left:12px;border-left:1px dashed #ede6df}.course-price>small{color:#ad9b8e;font-size:9px}.course-price>strong{color:var(--theme-price);font-size:26px}.course-price>strong i{font-size:11px;font-style:normal}.course-price del{color:#baaea4;font-size:9px}.course-price>span{margin-top:5px;color:#9b8a7d;font-size:8px}.course-price>b{margin-top:12px;padding:7px 12px;border-radius:9px;color:#fff;background:var(--exam-accent);font-size:9px}.empty-course{padding:26px;border:1px dashed #ebe1d7;border-radius:15px;color:#a49183;text-align:center;background:#fefcfb;font-size:12px}.purchase-notes h3{margin:0 0 14px;font-size:16px}.purchase-notes>div{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.purchase-notes p{margin:0;color:#9b887a;font-size:10px;line-height:1.65}.purchase-notes strong{display:block;margin-bottom:4px;color:#694d38;font-size:11px}.coming-card{min-height:420px;padding:70px 30px;border-radius:22px;text-align:center}.coming-card>div{display:inline-flex;padding:7px 11px;border-radius:99px;color:#946800;background:#fff4cf;font-size:10px;font-weight:800}.coming-card h2{margin:18px 0 9px}.coming-card p{max-width:500px;margin:0 auto;color:#9e8b7c;line-height:1.8}.coming-card button{margin-top:26px;padding:11px 18px;border:0;border-radius:11px;color:#fff;background:var(--theme-accent);cursor:pointer}.order-summary{position:sticky;top:18px;padding:22px;border-radius:22px}.order-summary__eyebrow{color:#aa998c;font-size:9px;font-weight:800;letter-spacing:.12em}.order-summary h3{margin:8px 0 11px;color:#492e1a;font-size:17px;line-height:1.4}.order-summary__exam,.order-summary__price{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:17px;padding-top:15px;border-top:1px solid #f5f0eb}.order-summary__exam span,.order-summary__price span{color:#a49284;font-size:10px}.order-summary__exam strong{color:#745740;font-size:11px}.order-summary__price strong{color:var(--theme-price);font-size:28px}.order-summary__price small{font-size:11px}.order-summary ul{display:grid;gap:8px;margin:17px 0;padding:13px 14px;border-radius:12px;color:#8c7564;background:#fdfaf7;font-size:9px;list-style:none}.order-summary li:before{margin-right:6px;color:#18a875;content:"✓";font-weight:800}.summary-pay-button{display:flex;align-items:center;justify-content:space-between;width:100%;padding:13px 16px;border:0;border-radius:12px;color:#fff;background:var(--theme-cta);box-shadow:0 13px 26px #a864333d;font-weight:750;cursor:pointer}.summary-pay-button:disabled{background:#c5b6aa;box-shadow:none;cursor:not-allowed}.summary-pay-button span{font-size:18px}.summary-safe{display:block;margin-top:12px;color:#b5a69a;text-align:center;font-size:9px}.order-summary__empty{color:#a79689;font-size:11px;line-height:1.6}.mobile-buybar{display:none}.purchase-footer{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:24px;margin:50px 0 24px;padding:24px 2px;border-top:1px solid #efe6dc;color:#a49182}.purchase-footer>div{display:flex;align-items:center;gap:9px}.purchase-footer img{width:34px;height:34px;border-radius:10px}.purchase-footer strong,.purchase-footer small{display:block}.purchase-footer strong{color:#664d3a;font-size:12px}.purchase-footer small,.purchase-footer p{margin:2px 0 0;font-size:9px}.mobile-buybar__price-row{display:flex;align-items:baseline;flex-wrap:wrap;gap:2px 8px}.mobile-buybar__membership-note{color:#8b7360;font-size:10px;font-style:normal;line-height:1.5;white-space:nowrap}.mobile-buybar button{flex-shrink:0}.checkout-backdrop{position:fixed;z-index:100;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;padding:20px;background:#29190c94;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);animation:fadeIn .2s ease}.checkout-sheet{position:relative;width:min(520px,100%);max-height:min(820px,calc(100vh - 40px));overflow:auto;padding:26px;border:1px solid #ffffffb8;border-radius:28px;background:linear-gradient(160deg,#fffffff9,#fefbf8f9);box-shadow:0 40px 100px #29190c59;animation:sheetIn .28s cubic-bezier(.2,.8,.2,1)}.checkout-sheet__glow{position:absolute;top:-90px;right:-80px;width:240px;height:240px;border-radius:50%;background:#a864331a;pointer-events:none}.checkout-head{position:relative;display:flex;align-items:center;justify-content:space-between}.checkout-eyebrow{color:var(--theme-accent);font-size:9px;font-weight:850;letter-spacing:.16em}.checkout-head h2{margin:5px 0 0;font-size:24px}.icon-button{display:grid;width:36px;height:36px;place-items:center;border:1px solid #f0e8e1;border-radius:50%;color:#8a7260;background:#fff;font-size:20px;cursor:pointer}.checkout-product{position:relative;display:grid;grid-template-columns:54px minmax(0,1fr) auto;gap:13px;align-items:center;margin-top:20px;padding:16px;border:1px solid #faecdd;border-radius:18px;background:linear-gradient(135deg,#fdf6f0,#fefaf6)}.checkout-product__icon{display:grid;width:54px;height:54px;place-items:center;border-radius:17px;color:#fff;background:linear-gradient(135deg,var(--theme-accent),var(--theme-accent-dark));box-shadow:0 10px 22px #a864333d;font-size:12px;font-weight:850}.checkout-product strong,.checkout-product span{display:block}.checkout-product>div:nth-child(2)>strong{margin-top:6px;color:#573b26;font-size:13px}.checkout-product>div:nth-child(2)>span:last-child{margin-top:4px;color:#a08d7e;font-size:9px}.checkout-product__price{color:var(--theme-price);font-size:28px;font-weight:850}.checkout-product__price small{font-size:11px}.checkout-section{margin-top:18px}.section-minihead{display:flex;align-items:center;gap:9px;margin:16px 0 12px}.section-minihead>span{display:grid;width:23px;height:23px;place-items:center;border-radius:50%;color:#fff;background:var(--theme-accent);font-size:10px;font-weight:800}.section-minihead strong,.section-minihead small{display:block}.section-minihead strong{color:#5f4430;font-size:13px}.section-minihead small{margin-top:2px;color:#aa988b;font-size:9px}.login-box{display:grid;gap:11px}.login-box label>span{display:block;margin-bottom:6px;color:#836b59;font-size:10px;font-weight:700}.login-box input{width:100%;height:45px;padding:0 13px;border:1px solid #ede4dc;border-radius:11px;color:#523723;background:#fff}.login-box input:focus{border-color:var(--theme-accent)}.verify-row{display:grid;grid-template-columns:1fr 110px;gap:9px}.verify-row button{border:1px solid #f7dcc2;border-radius:11px;color:var(--theme-accent);background:#fdf8f4;font-size:11px;cursor:pointer}.primary-action{display:flex;align-items:center;justify-content:center;width:100%;min-height:47px;padding:12px 16px;border:0;border-radius:13px;color:#fff;background:var(--theme-cta);box-shadow:0 13px 27px #a8643338;font-weight:750;text-decoration:none;cursor:pointer}.primary-action:disabled{opacity:.6;cursor:progress}.primary-action--pay{justify-content:space-between}.primary-action--pay strong{color:#ffe4a0;font-size:16px}.account-line{display:flex;align-items:center;gap:10px;padding:13px;border:1px solid #dceee8;border-radius:14px;background:#f5fcf9}.account-line__avatar{display:grid;flex:none;width:34px;height:34px;place-items:center;border-radius:50%;color:#fff;background:#18a875;font-weight:850}.account-line>div:nth-child(2){min-width:0;flex:1}.account-line strong,.account-line span{display:block}.account-line strong{color:#315449;font-size:11px}.account-line span{margin-top:3px;color:#729184;font-size:9px}.account-line button{border:0;color:var(--theme-accent);background:transparent;font-size:10px;cursor:pointer}.payment-options{display:grid;grid-template-columns:1fr 1fr;gap:10px}.payment-options>button{position:relative;display:flex;align-items:center;gap:9px;min-height:64px;padding:10px;border:1px solid #efe8e0;border-radius:14px;color:#7a6453;text-align:left;background:#fff;cursor:pointer}.payment-options>button.is-active{border:2px solid var(--theme-accent);background:#fefaf6}.payment-logo{display:grid;flex:none;width:34px;height:34px;place-items:center;border-radius:11px;color:#fff;font-size:11px;font-style:normal;font-weight:850}.payment-logo--alipay{background:#1677ff}.payment-logo--wechat{background:#18aa63}.payment-options strong,.payment-options small{display:block}.payment-options strong{color:#5b402c;font-size:11px}.payment-options small{margin-top:3px;color:#ad9d91;font-size:8px}.payment-options b{display:none;margin-left:auto;color:var(--theme-accent)}.payment-options .is-active b{display:block}.agreement-line{display:flex;align-items:center;gap:7px;margin:13px 0;color:#9c8a7c;font-size:9px}.agreement-line input{accent-color:var(--theme-accent)}.checkout-message{margin:12px 0 0;padding:9px 11px;border-radius:9px;color:#785b25;background:#fff7e4;font-size:10px}.payment-stage__head{display:flex;justify-content:space-between;gap:12px;color:#9b8a7d;font-size:9px}.payment-stage__head strong{color:var(--theme-price);font-size:12px}.qr-payment{display:flex;flex-direction:column;align-items:center;padding:24px 0 10px;text-align:center}.qr-payment>img,.demo-qr{width:176px;height:176px;padding:10px;border:1px solid #eee6dd;border-radius:16px;background:#fff;box-shadow:0 12px 32px #633f231a}.demo-qr{position:relative;display:grid;place-items:center;background:repeating-conic-gradient(#3a2617 0,#3a2617 25%,#fff 0,#fff 50%) 0/18px 18px}.demo-qr:after{position:absolute;top:40px;right:40px;bottom:40px;left:40px;border:12px solid #fff;border-radius:12px;content:"";background:var(--theme-accent)}.demo-qr span{position:relative;z-index:2;padding:5px;border-radius:6px;color:var(--theme-accent);background:#fff;font-size:10px;font-weight:850}.qr-payment>strong{margin-top:16px;color:#583d29;font-size:13px}.qr-payment>small{margin-top:6px;color:#a8988b;font-size:9px}.demo-notice{display:flex;align-items:center;gap:8px;margin-top:13px;padding:10px;border:1px solid #f3dba9;border-radius:11px;background:#fff9ed}.demo-notice span{flex:none;padding:4px 6px;border-radius:6px;color:#8a630d;background:#ffe9ad;font-size:8px;font-weight:800}.demo-notice p{flex:1;margin:0;color:#92763f;font-size:9px}.demo-notice button{border:0;color:var(--theme-accent);background:transparent;font-size:9px;font-weight:750;cursor:pointer}.payment-polling{display:flex;align-items:center;justify-content:center;gap:7px;margin-top:14px;color:#a79180;font-size:9px}.payment-polling i{width:8px;height:8px;border:2px solid #f3cea8;border-top-color:var(--theme-accent);border-radius:50%;animation:spin .8s linear infinite}.h5-payment,.result-state{padding:30px 8px 16px;text-align:center}.h5-payment__icon,.result-state__icon{display:grid;width:62px;height:62px;margin:0 auto 14px;place-items:center;border-radius:20px;color:#fff;background:linear-gradient(135deg,var(--theme-accent),var(--theme-accent-dark));box-shadow:0 14px 30px #a8643338;font-size:24px}.h5-payment strong,.result-state h3{display:block;margin:0;color:#593f2b;font-size:18px}.h5-payment p,.result-state p{margin:8px auto 18px;color:#a59284;font-size:11px;line-height:1.7}.result-state--success .result-state__icon{background:#18a875}.result-state--error .result-state__icon{background:var(--theme-price)}.page-state{display:flex;min-height:100vh;flex-direction:column;align-items:center;justify-content:center;gap:9px;padding:24px;color:#9a8371;text-align:center;background:radial-gradient(circle at center,#fdf6ef,#fcf9f6 55%)}.page-state strong{color:#543822;font-size:18px}.page-state span{font-size:12px}.page-state button{margin-top:12px;padding:10px 17px;border:0;border-radius:10px;color:#fff;background:var(--theme-accent);cursor:pointer}.loading-orbit{width:55px;height:55px;border:4px solid #faecde;border-top-color:var(--theme-accent);border-radius:50%;animation:spin .9s linear infinite}.page-state__error{display:grid;width:55px;height:55px;place-items:center;border-radius:18px;color:#fff;background:var(--theme-price);font-size:24px;font-weight:850}.course-section--primary{position:relative;overflow:hidden;border-color:#f8e3cf;background:linear-gradient(145deg,#fefbf8,#fff 48%,#fffaf0);box-shadow:0 22px 62px #b66c331a}.course-section--primary:before{position:absolute;top:-90px;right:-80px;width:210px;height:210px;border:42px solid #a864330a;border-radius:50%;content:"";pointer-events:none}.course-section--primary .section-heading,.course-section--primary .course-card{position:relative}.course-section--primary .course-card{border:1px solid #f2e6db;background:#fff;box-shadow:0 8px 24px #6f44240d;transform:none}.course-section--primary .course-card:hover:not(.is-selected){border-color:#e5c4a3;background:#fffdfb;box-shadow:0 15px 34px #b66c331a;transform:translateY(-3px)}.course-section--primary .course-card.is-selected{border:2px solid var(--exam-accent);background:linear-gradient(135deg,#fdf6ef,#fff 56%,#fff9e8);box-shadow:inset 5px 0 var(--exam-accent),0 0 0 4px #a8643312,0 20px 48px #a8643324;transform:translateY(-2px)}.course-section--primary .course-card:not(.is-selected) .course-price>b{border:1px solid #f3d9bf;color:var(--theme-accent);background:#fdf6f0;box-shadow:none}.course-section--primary .course-card.is-selected .course-price>b{color:#fff;background:var(--theme-cta);box-shadow:0 8px 20px #a8643330}.course-section--primary .course-price>strong{font-size:31px}.course-section--primary .course-card.is-selected .course-price>strong{color:var(--theme-price)}.course-bonus{display:inline-flex;margin-top:10px;padding:6px 9px;border:1px solid #f5d184;border-radius:8px;color:#825800;background:#fff7db;font-size:9px;font-weight:800}.checkout-product__bonus{color:#976600!important;font-weight:800}.course-coming-section{position:relative;display:grid;grid-template-columns:145px minmax(0,1fr) auto;gap:23px;align-items:center;overflow:hidden;border-color:#ede2d6;background:linear-gradient(135deg,#fdf9f5,#fff 54%,#fefaf5);box-shadow:0 20px 55px #764a2912}.course-coming-section:after{position:absolute;right:-75px;bottom:-100px;width:220px;height:220px;border:38px solid #8d4e290a;border-radius:50%;content:""}.course-coming-visual{position:relative;display:flex;min-height:142px;overflow:hidden;flex-direction:column;justify-content:flex-end;padding:17px;border:1px solid #ffffff87;border-radius:18px;color:#fff;background:linear-gradient(145deg,#9f6131,#a87955);box-shadow:0 16px 35px #72482830}.course-coming-visual:before{position:absolute;top:-42px;right:-34px;width:108px;height:108px;border:20px solid #ffffff13;border-radius:50%;content:""}.course-coming-visual>span{position:absolute;top:14px;left:15px;color:#ffffffa8;font-size:8px;font-weight:800;letter-spacing:.14em}.course-coming-play{position:absolute;top:48%;left:50%;display:grid;width:39px;height:39px;place-items:center;border:1px solid #ffffff72;border-radius:50%;background:#ffffff1c;box-shadow:0 8px 24px #5834193d;transform:translate(-50%,-50%);font-size:12px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.course-coming-visual>i{width:58%;height:4px;margin-top:6px;border-radius:99px;background:#ffffff3a}.course-coming-visual>i:nth-of-type(2){width:78%}.course-coming-visual>i:nth-of-type(3){width:44%}.course-coming-copy{position:relative;z-index:1}.course-coming-kicker{color:#ba8155;font-size:9px;font-weight:850;letter-spacing:.12em}.course-coming-copy h2{margin:7px 0;color:#513520;font-size:20px}.course-coming-copy>p{max-width:580px;margin:0;color:#9d8a7c;font-size:10px;line-height:1.65}.course-coming-copy>div{display:flex;flex-wrap:wrap;gap:6px;margin-top:13px}.course-coming-copy>div span{padding:5px 8px;border:1px solid #f0e6dc;border-radius:7px;color:#8d7665;background:#fff;font-size:8px}.course-coming-status{position:relative;z-index:1;display:grid;gap:5px;min-width:112px;padding:16px 14px;border:1px solid #f9e8d7;border-radius:15px;text-align:center;background:#fefaf6}.course-coming-status i{color:#ce8852;font-size:13px;font-style:normal}.course-coming-status small{color:#afa094;font-size:8px;font-weight:500}.course-section--coming .course-card--coming{cursor:default}.course-section--coming .course-card--coming:hover{border-color:#f2e6db;box-shadow:0 8px 24px #6f44240d;transform:none}.course-section--coming .course-cover{filter:saturate(.8)}.course-section--coming .course-price--coming>strong{margin-top:4px;color:#a57855;font-size:18px}.course-section--coming .course-price--coming>b{border:1px solid #f8e2cd;color:#ce8751;background:#fdf8f2;box-shadow:none}@media(max-width:760px){.course-coming-section{grid-template-columns:92px minmax(0,1fr);gap:13px;padding:13px}.course-coming-visual{min-height:125px;padding:12px;border-radius:14px}.course-coming-copy h2{font-size:14px}.course-coming-copy>p{display:-webkit-box;overflow:hidden;-webkit-box-orient:vertical;-webkit-line-clamp:3;font-size:9px}.course-coming-copy>div{gap:4px;margin-top:9px}.course-coming-copy>div span{padding:4px 6px;font-size:7px}.course-coming-status{grid-column:1/-1;display:flex;align-items:center;justify-content:space-between;min-width:0;padding:10px 12px}.course-coming-status i{font-size:11px}}@keyframes fadeIn{0%{opacity:0}}@keyframes sheetIn{0%{opacity:0;transform:translateY(20px) scale(.98)}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes sheetUp{0%{opacity:0;transform:translateY(100%)}}@media(max-width:900px){.login-gate__main{grid-template-columns:1fr;max-width:620px}.login-card{order:-1}.login-showcase{min-height:430px;padding:44px}.login-showcase h1{font-size:46px}}@media(max-width:760px){.login-gate{padding:0 14px}.login-gate__header{height:68px}.login-gate__main{display:grid;min-height:auto;padding:10px 0 34px}.login-card{padding:27px 20px 24px;border-radius:22px}.login-card h2{font-size:27px}.login-card>p{margin-bottom:23px}.login-showcase{min-height:330px;padding:29px 23px;border-radius:22px}.login-showcase h1{margin-top:16px;font-size:34px}.login-showcase>p{font-size:12px}.login-showcase__course{align-items:flex-start;flex-direction:column;gap:9px;margin-top:22px;padding:14px}.login-showcase__features{gap:9px 13px;margin-top:20px}.login-gate__footer{height:50px}.login-field button{min-width:94px;padding:0 8px}}@media(max-width:1080px){.purchase-app{padding-right:18px;padding-left:18px}.purchase-layout{grid-template-columns:190px minmax(0,1fr)}.order-summary{display:none}.mobile-buybar{position:fixed;z-index:50;right:18px;bottom:18px;display:flex;align-items:center;gap:18px;min-width:380px;padding:10px 11px 10px 17px;border:1px solid #ffffffc7;border-radius:17px;background:#fffffff0;box-shadow:0 20px 55px #4f2f1738;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.mobile-buybar>div{min-width:0;flex:1}.mobile-buybar span,.mobile-buybar strong{display:block}.mobile-buybar span{overflow:hidden;color:#9a8575;font-size:9px;text-overflow:ellipsis;white-space:nowrap}.mobile-buybar strong{margin-top:2px;color:var(--theme-price);font-size:21px}.mobile-buybar small{font-size:9px}.mobile-buybar button{padding:12px 19px;border:0;border-radius:11px;color:#fff;background:var(--theme-cta);font-size:12px;font-weight:750}.mobile-buybar button:disabled{background:#c5b6aa}}@media(max-width:760px){.purchase-app{padding:0 14px 96px;overflow:clip}.ambient{display:none}.purchase-header{height:66px}.purchase-brand img{width:36px;height:36px;border-radius:11px}.purchase-brand strong{font-size:15px}.purchase-brand small{font-size:9px}.secure-pill,.user-pill,.back-link{display:none}.demo-banner{align-items:flex-start;flex-direction:column;gap:3px;padding:9px 11px}.purchase-hero{grid-template-columns:1fr;min-height:410px;border-radius:24px}.purchase-hero__copy{padding:34px 24px 180px}.purchase-hero h1{margin-top:13px;font-size:38px}.purchase-hero__copy>p{font-size:13px;line-height:1.7}.hero-promises{gap:8px 12px;margin-top:20px;font-size:9px}.hero-visual{position:absolute;right:0;bottom:-5px;left:0;min-height:180px}.hero-visual__halo{width:170px;height:170px}.hero-card--main{top:12px;left:18%;width:210px;padding:18px;border-radius:19px}.hero-card--main>strong{font-size:17px}.hero-card--main>small{font-size:9px}.hero-card__progress{margin-top:15px}.hero-card--float{top:1px;right:8%;padding:8px 10px}.hero-card--float b{font-size:17px}.hero-card--course{right:5%;bottom:12px;width:145px;padding:10px 12px}.hero-card--course b{font-size:9px}.mobile-exam-tabs{display:flex;gap:9px;overflow-x:auto;margin:18px -14px 0;padding:0 14px 5px;scrollbar-width:none}.mobile-exam-tabs::-webkit-scrollbar{display:none}.mobile-exam-tabs button{flex:none;min-width:94px;padding:10px 13px;border:1px solid #f0e8df;border-radius:13px;color:#8b7360;background:#fff;box-shadow:0 8px 22px #6c44260d}.mobile-exam-tabs button.is-active{border-color:var(--exam-accent);color:#fff;background:var(--exam-accent);box-shadow:0 10px 24px #a864333d}.mobile-exam-tabs span,.mobile-exam-tabs small{display:block}.mobile-exam-tabs span{font-size:11px;font-weight:750}.mobile-exam-tabs small{margin-top:3px;opacity:.72;font-size:8px}.purchase-layout{display:block;margin-top:12px}.exam-sidebar{display:none}.catalog-main{gap:14px}.catalog-section,.purchase-notes{padding:19px 16px;border-radius:18px}.section-heading{margin-bottom:17px}.section-heading h2{font-size:19px}.section-heading p{font-size:10px}.section-heading__tag{display:none}.membership-grid{display:flex;gap:10px;overflow-x:auto;margin:0 -16px;padding:1px 16px 10px;scroll-snap-type:x mandatory;scrollbar-width:none}.membership-grid::-webkit-scrollbar{display:none}.membership-card{flex:0 0 146px;min-height:162px;scroll-snap-align:start}.benefit-grid{grid-template-columns:repeat(2,1fr)}.benefit-grid article{min-height:132px}.course-card{grid-template-columns:92px minmax(0,1fr);gap:12px;padding:11px}.course-cover{min-height:128px;padding:11px}.course-cover>strong{font-size:12px}.course-copy h3{margin-top:7px;font-size:13px}.course-copy>p{display:-webkit-box;overflow:hidden;-webkit-box-orient:vertical;-webkit-line-clamp:2}.course-meta{gap:5px 8px;font-size:8px}.course-includes{display:none}.course-price{grid-column:1/-1;display:grid;grid-template-columns:auto auto 1fr auto;gap:7px;align-items:center;padding:10px 4px 0;border-top:1px dashed #ede6df;border-left:0}.course-price>small,.course-price>span{display:none}.course-price>strong{font-size:22px}.course-price>b{justify-self:end;margin:0}.purchase-notes>div{grid-template-columns:1fr;gap:12px}.purchase-footer{display:none}.mobile-buybar{right:10px;bottom:calc(10px + env(safe-area-inset-bottom));left:10px;min-width:0;border-radius:16px}.checkout-backdrop{align-items:flex-end;padding:0}.checkout-sheet{width:100%;max-height:92vh;padding:22px 18px calc(18px + env(safe-area-inset-bottom));border-radius:25px 25px 0 0;animation-name:sheetUp}.checkout-product{grid-template-columns:46px minmax(0,1fr) auto;padding:12px}.checkout-product__icon{width:46px;height:46px;border-radius:14px}.checkout-product__price{font-size:23px}.payment-options{grid-template-columns:1fr}}.login-agreement{cursor:default}.login-agreement label{cursor:pointer}.login-agreement a{color:var(--theme-accent);font-weight:650;text-decoration:none}.login-agreement a:hover{text-decoration:underline}.agreement-line label{cursor:pointer}.agreement-line a{color:var(--theme-accent);font-weight:700;text-decoration:none}.agreement-line a:hover{text-decoration:underline}.payment-return-sheet{width:min(470px,100%)}.return-spinner{width:25px;height:25px;border:3px solid #ffffff66;border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}.result-secondary-action{margin-top:4px;padding:9px 14px;border:0;color:#9a8371;background:transparent;font-size:10px;cursor:pointer}.contact-backdrop{position:fixed;z-index:120;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;padding:20px;background:#29190ca8;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);animation:fadeIn .2s ease}.contact-card{position:relative;width:min(390px,100%);overflow:hidden;padding:29px 28px 25px;border:1px solid #ffffffc7;border-radius:28px;text-align:center;background:linear-gradient(160deg,#fff,#fefaf6);box-shadow:0 40px 100px #29190c66;animation:sheetIn .28s cubic-bezier(.2,.8,.2,1)}.contact-card__glow{position:absolute;top:-110px;right:-90px;width:250px;height:250px;border-radius:50%;background:linear-gradient(135deg,#a8643325,#8d4e2914);pointer-events:none}.contact-card__close{position:absolute;z-index:2;top:17px;right:17px;display:grid;width:34px;height:34px;place-items:center;border:1px solid #f0e8df;border-radius:50%;color:#9a8371;background:#ffffffd9;font-size:20px;cursor:pointer}.contact-card__eyebrow{position:relative;color:var(--theme-accent);font-size:9px;font-weight:850;letter-spacing:.18em}.contact-card h2{position:relative;margin:8px 0 6px;color:#442a16;font-size:25px}.contact-card>p{position:relative;margin:0;color:#a69181;font-size:11px;line-height:1.6}.contact-card__image{position:relative;width:min(275px,100%);margin:19px auto 14px;padding:8px;border:1px solid #f5e9dc;border-radius:21px;background:#fff;box-shadow:0 18px 45px #8e54281c}.contact-card__image img{display:block;width:100%;border-radius:15px}.contact-card__account{display:flex;align-items:center;justify-content:center;gap:10px}.contact-card__account>i{display:grid;width:36px;height:36px;place-items:center;border-radius:12px;color:#fff;background:#16a866;font-size:11px;font-style:normal;font-weight:850}.contact-card__account span,.contact-card__account small,.contact-card__account strong{display:block;text-align:left}.contact-card__account small{color:#af9f92;font-size:9px}.contact-card__account strong{margin-top:2px;color:#5f422c;font-size:13px}.contact-card .contact-card__hint{margin-top:14px;color:#b4a59a;font-size:9px}.mobile-contact-button{display:none}@media(max-width:760px){.contact-backdrop{align-items:flex-end;padding:0}.contact-card{width:100%;max-height:92vh;padding:25px 20px calc(23px + env(safe-area-inset-bottom));border-radius:26px 26px 0 0;animation-name:sheetUp}.contact-card__image{width:min(270px,78vw)}.mobile-contact-button{display:flex;align-items:center;gap:10px;width:100%;margin:15px 0 4px;padding:13px 14px;border:1px solid #f2e8df;border-radius:15px;color:#735640;text-align:left;background:#fff;box-shadow:0 10px 28px #6c44260d}.mobile-contact-button>i{display:grid;width:34px;height:34px;place-items:center;border-radius:11px;color:#fff;background:#16a866;font-size:10px;font-style:normal;font-weight:850}.mobile-contact-button>span{flex:1}.mobile-contact-button strong,.mobile-contact-button small{display:block}.mobile-contact-button strong{font-size:12px}.mobile-contact-button small{margin-top:3px;color:#aa998c;font-size:9px}.mobile-contact-button>b{color:var(--theme-accent);font-size:20px}}.checkout-sheet{width:min(540px,100%);padding:29px;background:linear-gradient(155deg,#fff,#fefcf9 72%,#fef9f4)}.checkout-head h2{font-size:26px}.checkout-product{margin-top:22px;padding:17px;border-color:#f8e5d3;background:linear-gradient(135deg,#fdf6ef,#fefcf9);box-shadow:inset 0 1px #fff,0 10px 28px #7a4b270c}.checkout-product__price:before{display:block;margin-bottom:2px;color:#9a8790;content:"应付";text-align:right;font-size:8px;font-weight:600}.checkout-account-head{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;margin:20px 2px 9px}.checkout-account-head strong,.checkout-account-head small{display:block}.checkout-account-head strong{color:#5f4430;font-size:12px}.checkout-account-head small{margin-top:3px;color:#b3a498;font-size:8px}.checkout-account-head>span{padding:4px 7px;border-radius:99px;color:#187451;background:#e9f8f1;font-size:8px;font-weight:800}.account-line{gap:12px;padding:14px 15px;border-color:#f7e8d8;background:linear-gradient(135deg,#fefaf5,#fff);box-shadow:inset 3px 0 var(--theme-accent)}.account-line__avatar{width:39px;height:39px;border-radius:13px;background:linear-gradient(135deg,var(--theme-accent),var(--theme-accent-dark));box-shadow:0 8px 18px #a8643329;font-size:10px}.account-line strong,.account-line span,.account-line small{display:block}.account-line small{color:#b6a598;font-size:8px}.account-line strong{margin-top:2px;color:#5f422b;font-size:12px;letter-spacing:.03em}.account-line span{margin-top:3px;color:#a49182;font-size:8px}.account-line>em{flex:none;padding:5px 7px;border-radius:8px;color:var(--theme-accent);background:#fcf4ed;font-size:8px;font-style:normal;font-weight:800}.section-minihead{margin:20px 2px 11px}.payment-options{gap:12px}.payment-options>button{min-height:72px;padding:12px;border-radius:16px;transition:.18s ease}.payment-options>button:hover{border-color:#f4d6b9;background:#fffdfb}.payment-options>button.is-active{border:2px solid var(--theme-accent);background:linear-gradient(135deg,#fdf8f3,#fff);box-shadow:0 8px 22px #a8643314}.payment-logo{width:39px;height:39px;border-radius:13px;font-size:12px}.payment-options strong{font-size:12px}.payment-options small{font-size:8px}.agreement-line--checkout{align-items:flex-start;margin:15px 0 13px;padding:10px 11px;border:1px solid #f1ebe4;border-radius:11px;background:#fff}.agreement-line--checkout input{margin-top:1px}.primary-action--pay{min-height:53px;padding:13px 18px;border-radius:14px;font-size:13px}.primary-action--pay strong{font-size:18px}.checkout-message{border-radius:11px}@media(max-width:760px){.checkout-sheet{padding:23px 18px calc(18px + env(safe-area-inset-bottom))}.checkout-head h2{font-size:23px}.checkout-product{margin-top:18px;padding:13px}.checkout-product__price:before{display:none}.checkout-account-head{margin-top:17px}.account-line{padding:12px}.account-line>em{display:none}.payment-options>button{min-height:66px;padding:9px}.payment-logo{width:36px;height:36px}.agreement-line--checkout{padding:9px}.primary-action--pay{min-height:50px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}@media(max-width:760px){.purchase-header .user-pill{display:inline-flex;max-width:145px;padding:7px 9px;overflow:hidden;font-size:10px;white-space:nowrap}.purchase-header .user-pill small{flex:none}}@media(max-width:760px){.mobile-exam-tabs{margin-top:14px;padding-top:4px;-webkit-overflow-scrolling:touch}.mobile-exam-tabs button{position:relative;outline:none;-webkit-tap-highlight-color:transparent}.mobile-exam-tabs button.is-active{z-index:1;box-shadow:inset 0 0 0 1px #ffffff35,0 10px 24px #a864333d}.membership-grid{margin-top:-4px;padding-top:6px;-webkit-overflow-scrolling:touch}.membership-card{outline:none;-webkit-tap-highlight-color:transparent}.membership-card:hover,.membership-card.is-selected,.course-card:hover,.course-card.is-selected{transform:none}}.membership-card.is-selected{border-width:1px;box-shadow:inset 0 0 0 1px var(--exam-accent),0 15px 36px #a8643321}.course-section--primary .course-card.is-selected{border-width:1px;box-shadow:inset 5px 0 var(--exam-accent),inset 0 0 0 1px var(--exam-accent),0 0 0 4px #a8643312,0 20px 48px #a8643324}.purchase-app>.ambient{display:none}.payment-success-page{min-height:100vh;padding:56px 28px 40px;color:#181818;background:linear-gradient(140deg,#fff,#fafafa)}.success-simple-card{display:flex;width:min(1060px,100%);margin:0 auto;flex-direction:column;align-items:center}.success-simple-status{display:flex;flex-direction:column;align-items:center;gap:24px}.success-simple-status>span{display:grid;width:90px;height:90px;place-items:center;border-radius:50%;color:#fff;background:var(--theme-cta);font-size:60px;line-height:1}.success-simple-status h1{margin:0;font-size:clamp(28px,3.4vw,42px);line-height:1.3;text-align:center}.success-simple-subtitle{margin:20px 0 0;color:#656565;font-size:17px;line-height:1.7;text-align:center}.success-simple-order{display:flex;width:100%;margin:42px 0 34px;padding:24px 0;border:1px solid #e6e6ec;border-radius:20px;background:#ffffffa8}.success-simple-order>div{min-width:0;flex:1;padding:0 30px}.success-simple-order>div+div{border-left:1px solid #e6e6ec}.success-simple-order dt{margin-bottom:10px;color:#777;font-size:16px}.success-simple-order dd{margin:0;font-size:20px;font-weight:650;overflow-wrap:anywhere}.success-materials{display:flex;align-items:center;gap:30px;width:100%;padding:24px 36px;border-radius:22px;background:linear-gradient(130deg,#fff5ed,#fae2d5)}.success-materials-icon{display:grid;width:76px;height:76px;flex:none;place-items:center;border-radius:22px;color:#fff;background:var(--theme-cta)}.success-materials-icon svg{width:46px;height:46px}.success-materials-copy{flex:1;min-width:0;padding-left:28px;border-left:1px solid #dfaf93}.success-materials-copy h2{margin:0;font-size:clamp(20px,2.3vw,29px);line-height:1.5}.success-materials-copy em{font-style:normal;color:var(--theme-accent)}.success-materials-copy p{margin:12px 0 0;color:#656565;font-size:17px;line-height:1.6}.success-simple-qr{position:relative;display:block;width:136px;aspect-ratio:1;flex:none;overflow:hidden;border-radius:14px;background:#fff;filter:grayscale(1) brightness(.65) contrast(20)}.success-simple-qr img{position:absolute;width:135.14%;max-width:none;height:auto;left:-17.57%;top:-57.25%}.success-simple-card>button{margin-top:28px;padding:12px 32px;border:1px solid #e4b996;border-radius:999px;color:var(--theme-accent-dark);background:#fff;font-size:15px;font-weight:650;cursor:pointer}@media(max-width:760px){.payment-success-page{padding:36px 22px}.success-simple-status>span{width:68px;height:68px;font-size:44px}.success-simple-subtitle{font-size:14px}.success-simple-order{display:grid;gap:16px;padding:20px;margin:30px 0}.success-simple-order>div{display:flex;justify-content:space-between;gap:12px;padding:0}.success-simple-order>div+div{border:0}.success-simple-order dt{margin:0;flex:none;font-size:14px}.success-simple-order dd{font-size:14px;text-align:right}.success-materials{flex-wrap:wrap;justify-content:center;gap:18px;padding:24px 18px}.success-materials-icon{display:none}.success-materials-copy{flex-basis:100%;text-align:center;padding:0;border:0}.success-materials-copy p{font-size:14px}.success-simple-qr{width:210px}}.payment-options--desktop{grid-template-columns:repeat(2,minmax(0,1fr))}.payment-options>button:disabled{opacity:.5;background:#f8f5f3;cursor:not-allowed}.order-summary__renewal{display:grid;gap:3px;margin-top:12px;padding:11px 12px;border:1px solid #bfe6d5;border-radius:12px;background:linear-gradient(135deg,#eefbf5,#f8fffb)}.order-summary__renewal span{color:#23805e;font-size:8px;font-weight:800;letter-spacing:.08em}.order-summary__renewal strong{color:#245844;font-size:11px}.order-summary__renewal small{color:#6e9183;font-size:8px}.qr-loading{display:grid;width:176px;height:176px;padding:18px;place-items:center;border:1px solid #eee6dd;border-radius:16px;color:#a59182;background:#fff;box-shadow:0 12px 32px #633f231a;font-size:10px;line-height:1.6}.payment-logo svg{display:block;width:24px;height:24px}.h5-payment__icon svg{display:block;width:34px;height:34px}.h5-payment__icon--alipay{background:#1677ff}.h5-payment__icon--wechat{background:#07c160}@media(max-width:760px){.payment-options--desktop{grid-template-columns:1fr}}.login-dialog-backdrop{z-index:120}.login-dialog{position:relative;width:min(460px,100%);max-height:calc(100vh - 40px);overflow:auto;padding:30px;border:1px solid #ffffffc7;border-radius:28px;background:linear-gradient(155deg,#fff,#fefbf8 68%,#fef9f4);box-shadow:0 40px 100px #29190c59;animation:sheetIn .28s cubic-bezier(.2,.8,.2,1)}.login-dialog:before{position:absolute;top:-100px;right:-86px;width:250px;height:250px;border-radius:50%;content:"";background:#a8643316;pointer-events:none}.login-dialog>*{position:relative;z-index:1}.login-dialog__head{display:flex;align-items:flex-start;justify-content:space-between;gap:18px}.login-dialog__head span{color:var(--theme-accent);font-size:9px;font-weight:850;letter-spacing:.16em}.login-dialog__head h2{margin:5px 0 0;color:#563a24;font-size:26px}.login-dialog__head>button{display:grid;width:36px;height:36px;place-items:center;border:1px solid #f0e8e1;border-radius:50%;color:#8a7260;background:#fff;font-size:20px;cursor:pointer}.login-dialog__product{display:grid;gap:4px;margin:21px 0 17px;padding:15px 17px;border:1px solid #f9e8d7;border-radius:16px;background:linear-gradient(135deg,#fdf6ef,#fefcf9);box-shadow:inset 3px 0 var(--theme-accent)}.login-dialog__product span{color:#a08c7c;font-size:8px}.login-dialog__product strong{color:#62442d;font-size:13px}.login-dialog__product small{color:#a79587;font-size:8px}.login-dialog__intro{margin:12px 0 20px;color:#a08d7f;font-size:10px;line-height:1.7}.login-dialog form{display:grid;gap:17px}.login-dialog .login-card__safe{margin-top:20px}.user-pill--login{color:var(--theme-accent);font-weight:750}.user-pill--login small{font-weight:500}@media(max-width:760px){.login-dialog-backdrop{align-items:flex-end}.login-dialog{width:100%;max-height:92vh;padding:24px 18px calc(20px + env(safe-area-inset-bottom));border-radius:25px 25px 0 0;animation-name:sheetUp}.login-dialog__head h2{font-size:23px}.login-dialog__product{margin-top:17px}.login-dialog .login-field button{min-width:96px}}.purchase-preview-backdrop{position:fixed;z-index:140;top:0;right:0;bottom:0;left:0;display:grid;padding:20px;place-items:center;background:#2c1910ad;-webkit-backdrop-filter:blur(15px);backdrop-filter:blur(15px);animation:fadeIn .2s ease}.purchase-preview-dialog{position:relative;width:min(430px,100%);overflow:hidden;padding:34px 32px 30px;border:1px solid rgba(255,255,255,.82);border-radius:28px;text-align:center;background:radial-gradient(circle at 90% 5%,rgba(181,108,60,.16),transparent 12rem),linear-gradient(155deg,#fff,#fefaf6 72%,#fff9ec);box-shadow:0 42px 110px #30190c7a;animation:sheetIn .28s cubic-bezier(.2,.8,.2,1)}.purchase-preview-dialog:before{position:absolute;top:-88px;left:-78px;width:210px;height:210px;border:36px solid rgba(168,100,51,.06);border-radius:50%;content:""}.purchase-preview-dialog>*{position:relative;z-index:1}.purchase-preview-dialog__close{position:absolute;top:17px;right:17px;display:grid;width:34px;height:34px;padding:0;place-items:center;border:1px solid #f0e8df;border-radius:50%;color:#9a8371;background:#ffffffdb;font-size:20px;cursor:pointer}.purchase-preview-dialog__icon{display:grid;width:82px;height:82px;margin:2px auto 18px;place-items:center;border:1px solid rgba(255,255,255,.5);border-radius:25px;color:#fff;background:linear-gradient(135deg,var(--theme-accent),var(--theme-accent-dark));box-shadow:0 17px 38px #a8643347;transform:none}.purchase-preview-dialog__icon span,.purchase-preview-dialog__icon strong{display:block;line-height:1}.purchase-preview-dialog__icon span{align-self:end;font-size:10px;letter-spacing:.14em}.purchase-preview-dialog__icon strong{align-self:start;margin-top:4px;color:#ffe4a0;font-size:21px}.purchase-preview-dialog__eyebrow{color:var(--theme-accent);font-size:9px;font-weight:850;letter-spacing:.17em}.purchase-preview-dialog h2{margin:8px 0 9px;color:#452b17;font-size:27px}.purchase-preview-dialog>p{max-width:330px;margin:0 auto;color:#a38e7e;font-size:11px;line-height:1.75}.purchase-preview-dialog__action{width:100%;min-height:50px;margin-top:18px;border:0;border-radius:13px;color:#fff;background:linear-gradient(100deg,var(--theme-accent),var(--theme-accent-dark));box-shadow:0 14px 30px #a8643347;font-size:13px;font-weight:800;cursor:pointer}@media(max-width:760px){.purchase-preview-backdrop{align-items:end;padding:0}.purchase-preview-dialog{width:100%;padding:29px 20px calc(22px + env(safe-area-inset-bottom));border-radius:27px 27px 0 0;animation-name:sheetUp}.purchase-preview-dialog__icon{width:72px;height:72px;border-radius:22px}.purchase-preview-dialog h2{font-size:24px}}.purchase-hero{color:#4a2b22;border-color:#efc6ae;background:linear-gradient(128deg,#fae2d5,#fff1d6 58%,#fffbf8);box-shadow:0 24px 68px #8d4e2924}.purchase-hero h1 em{color:var(--theme-accent-dark)}.purchase-hero__copy>p,.hero-kicker{color:#6d4939}.purchase-hero .hero-promises{color:#6d4939}.course-card+.course-card{margin-top:12px}.qr-payment>:is(img,.qr-loading,.demo-qr){width:min(320px,100%);height:auto;aspect-ratio:1;flex:none}.course-price--repurchase>small{color:var(--theme-accent-dark);font-size:11px;font-weight:800}.course-price--repurchase>strong{font-weight:850}.course-price--repurchase>del{color:#624532;font-size:13px;font-weight:700;white-space:nowrap}@media(max-width:760px){.course-price--repurchase{grid-template-columns:auto minmax(0,1fr) auto}.course-price--repurchase>small{display:block;grid-column:1/-1}}.course-card--tier .course-cover{min-height:112px}.course-section--primary .course-card:disabled{cursor:default;transform:none;box-shadow:none;background:#fffaf5;border-color:#ead8c9}.course-section--primary .course-card:disabled .course-price>b{color:#765b4a;background:#f5e9df;border-color:#ead8c9}@media(max-width:760px){.course-card--tier .course-cover{min-height:92px}}