:root{--ink:#172235;--muted:#6c7686;--line:#e3e8ee;--brand:#ef5b2a;--bg:#f6f7f9}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.6 system-ui,-apple-system,"Microsoft YaHei",sans-serif}.top{height:62px;background:#fff;border-bottom:1px solid var(--line);padding:0 max(18px,calc((100% - 1180px)/2));display:flex;align-items:center;justify-content:space-between}.brand{color:var(--ink);text-decoration:none;display:flex;align-items:baseline;gap:10px}.brand b{font-size:19px}.brand span,.secure{font-size:12px;color:var(--muted)}#app{min-height:calc(100vh - 62px)}.hero{background:linear-gradient(120deg,#172235,#263a52);color:#fff;padding:74px max(20px,calc((100% - 1180px)/2));min-height:310px;display:flex;align-items:center}.hero small{letter-spacing:1.5px;color:#ffb29a}.hero h1{font-size:42px;line-height:1.25;margin:12px 0}.hero p{max-width:540px;color:#d6dee8;margin:0}.section{max-width:1180px;margin:auto;padding:36px 20px 70px}.section-head{display:flex;align-items:end;justify-content:space-between;margin-bottom:18px}.section-head small{color:var(--brand);font-weight:800;letter-spacing:1px}.section h2{margin:3px 0;font-size:25px}.section-head>span{color:var(--muted)}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{background:#fff;border:1px solid var(--line);border-radius:7px;overflow:hidden}.card>img{display:block;width:100%;height:210px;object-fit:cover;background:#e9edf1}.card-body{padding:17px}.tag{display:inline-block;background:#fff0eb;color:#c44b2b;padding:3px 8px;border-radius:3px;font-size:11px;font-weight:800}.card h3{font-size:19px;margin:9px 0 3px}.card p{color:var(--muted);height:44px;margin:0;overflow:hidden}.meta{font-size:12px;color:var(--muted);margin-top:9px}.price{display:flex;align-items:center;gap:9px;margin:15px 0}.price b{font-size:25px;color:var(--brand)}.price del{color:#9da5b0;font-size:12px}.price span{margin-left:auto;color:var(--muted);font-size:12px}.btn{display:inline-flex;justify-content:center;align-items:center;min-height:40px;padding:8px 15px;border:1px solid var(--line);border-radius:5px;background:#fff;color:var(--ink);font-weight:800;text-decoration:none}.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}.btn.secondary{background:#fff5f1;border-color:#f3b3a3;color:#b84127}.btn.ghost{background:transparent}.wide{width:100%;margin-top:16px}.panel{max-width:620px;margin:35px auto;background:#fff;border:1px solid var(--line);border-radius:8px;padding:28px}.form-panel h1{margin:12px 0 3px;font-size:28px}.form-panel>p{color:var(--muted);margin-top:0}.back{color:var(--muted);text-decoration:none;display:inline-block;margin-bottom:14px}.form-panel label{display:block;margin-top:14px;font-weight:700;font-size:13px}.form-panel input,.form-panel select,.form-panel textarea{display:block;width:100%;margin-top:6px;padding:10px;border:1px solid #d5dce5;border-radius:4px;background:#fff;resize:vertical}.notice{margin:15px 0;padding:11px 13px;background:#fff8df;border:1px solid #edd99d;border-radius:5px;color:#6e5714}.progress{height:10px;background:#edf0f3;border-radius:99px;overflow:hidden;margin:21px 0 7px}.progress i{display:block;height:100%;background:var(--brand)}.progress-text{display:flex;justify-content:space-between}.muted{color:var(--muted)}.small{font-size:12px}.members{display:flex;flex-wrap:wrap;gap:7px;margin:18px 0}.members span{padding:7px 10px;background:#f1f4f7;border-radius:4px;font-size:12px}.qr{display:block;width:180px;height:180px;margin:18px auto 8px}.empty,.loading{text-align:center;padding:50px;color:var(--muted)}.toast{position:fixed;z-index:5;bottom:25px;left:50%;transform:translateX(-50%);background:#172235;color:#fff;padding:10px 16px;border-radius:5px}.hidden{display:none!important}@media(max-width:800px){.hero{padding:50px 18px;min-height:300px}.hero h1{font-size:31px}.section{padding:28px 14px 55px}.cards{grid-template-columns:1fr;gap:13px}.card{display:grid;grid-template-columns:115px 1fr}.card>img{height:100%;min-height:230px}.card-body{padding:13px}.card h3{font-size:16px}.card p{height:39px;font-size:12px}.price{margin:9px 0;gap:6px}.price b{font-size:21px}.price span{display:none}.panel{margin:16px 12px;padding:20px}.top{padding:0 14px}.brand{display:block}.brand span{display:block}}

button,input,select,textarea{font:inherit}button{cursor:pointer}.eyebrow{display:block;color:var(--brand);font-size:12px;font-weight:800}.catalog-head{min-height:242px;background:#172235;color:#fff;padding:52px max(20px,calc((100% - 1140px)/2));display:flex;align-items:center;justify-content:space-between;gap:40px}.catalog-head h1{font-size:40px;line-height:1.25;margin:7px 0 8px}.catalog-head p{margin:0;color:#cbd3dd;font-size:16px}.catalog-stats{display:grid;grid-template-columns:auto auto;gap:2px 12px;align-items:baseline;min-width:210px}.catalog-stats b{font-size:32px;color:#ffce3a}.catalog-stats span{color:#cbd3dd}.toolbar{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:32px}.category-tabs{display:flex;gap:7px;overflow:auto}.tab-button{border:1px solid var(--line);background:#fff;color:var(--muted);border-radius:5px;padding:8px 14px;white-space:nowrap}.tab-button.active{background:#172235;border-color:#172235;color:#fff;font-weight:700}.search{display:flex;align-items:center;gap:9px;color:var(--muted)}.search input{width:230px;border:1px solid var(--line);border-radius:5px;padding:9px 11px;background:#fff}.course-card{display:block}.course-cover{position:relative;width:100%;height:220px;padding:0;border:0;background:#e9edf1;overflow:hidden}.course-cover img{display:block;width:100%;height:100%;object-fit:cover}.course-cover span{position:absolute;left:13px;top:13px;background:#172235;color:#fff;padding:4px 9px;border-radius:3px;font-size:12px;font-weight:700}.card-kicker,.detail-kicker{color:var(--brand);font-size:12px;font-weight:800}.course-card .card-body{padding:18px}.course-card h3{height:30px;overflow:hidden}.quota-line{display:flex;justify-content:space-between;color:var(--muted);font-size:12px;margin-top:13px}.mini-progress{height:5px;background:#e9edf1;overflow:hidden;margin-top:6px}.mini-progress i{display:block;height:100%;background:var(--brand)}.mini-progress.large{height:8px}.course-card .price{margin:14px 0 0;border-top:1px solid var(--line);padding-top:14px}.price div small{display:block;color:var(--muted);font-size:11px}.price b em,.detail-price b em{font-size:.55em;font-style:normal}.price .btn{margin-left:auto}.wide-empty{grid-column:1/-1;background:#fff;border:1px solid var(--line)}.back-link{border:0;background:transparent;color:var(--muted);padding:0;margin:0 0 17px;font-weight:700}.detail-shell,.group-shell,.poster-page{max-width:1180px;margin:auto;padding:28px 20px 80px}.detail-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:22px;align-items:start}.detail-main,.action-panel,.content-section,.group-panel{background:#fff;border:1px solid var(--line)}.detail-hero{display:grid;grid-template-columns:320px 1fr}.detail-cover{position:relative;height:420px;background:#e8ecf0}.detail-cover img{width:100%;height:100%;object-fit:cover;display:block}.detail-cover span{position:absolute;left:18px;top:18px;background:#172235;color:#fff;border-radius:3px;padding:6px 10px;font-weight:700}.detail-summary{padding:38px}.detail-summary h1{font-size:32px;line-height:1.3;margin:8px 0 12px}.detail-summary>p{font-size:15px;color:var(--muted);min-height:70px}.detail-price{display:flex;gap:12px;align-items:baseline;background:#fff4ef;border-left:4px solid var(--brand);padding:12px 16px;margin-top:26px}.detail-price b{color:var(--brand);font-size:42px}.detail-price span{font-weight:700}.detail-price del{color:#9aa3af}.deadline{margin-top:12px;color:#b84127;font-weight:700}.content-section{margin-top:16px;padding:24px}.content-section h2,.group-panel h2{font-size:20px;margin:0 0 17px}.info-list{display:grid;grid-template-columns:1fr 1fr}.info-list div{padding:14px 0;border-bottom:1px solid var(--line)}.info-list div:nth-child(odd){padding-right:20px}.info-list span,.info-list b{display:block}.info-list span{font-size:12px;color:var(--muted)}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.steps div{display:grid;grid-template-columns:34px 1fr;column-gap:9px}.steps i{grid-row:1/3;display:flex;align-items:center;justify-content:center;width:34px;height:34px;background:#172235;color:#fff;border-radius:50%;font-style:normal;font-weight:800}.steps b,.steps span{display:block}.steps span{color:var(--muted);font-size:12px}.rule-note{background:#fff8df;border:1px solid #eedb9f;color:#665311;padding:11px 13px;margin-top:18px}.section-title-row{display:flex;justify-content:space-between;align-items:center}.section-title-row span{color:var(--muted)}.group-list{border-top:1px solid var(--line)}.group-row{display:grid;grid-template-columns:44px 1fr auto auto;gap:12px;align-items:center;width:100%;border:0;border-bottom:1px solid var(--line);background:#fff;padding:14px 0;text-align:left}.group-row .avatar,.member-avatar{display:flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:50%;background:#172235;color:#fff;font-weight:800}.group-row span b,.group-row span small{display:block}.group-row span small{color:var(--muted)}.group-row em{color:var(--brand);font-style:normal}.group-row strong{border:1px solid var(--brand);color:var(--brand);padding:5px 9px;border-radius:4px}.empty-inline{color:var(--muted);padding:22px 0}.action-panel{position:sticky;top:18px;padding:22px}.action-panel h3{font-size:18px;line-height:1.5}.action-help{font-size:12px;color:var(--muted);text-align:center}.mobile-actions{display:none}.modal-mask,.image-mask{position:fixed;inset:0;z-index:20;background:rgba(11,18,29,.72);display:flex;align-items:center;justify-content:center;padding:18px}.modal{position:relative;width:min(470px,100%);max-height:92vh;overflow:auto;background:#fff;padding:28px;border-radius:8px}.modal h2{font-size:25px;margin:5px 0}.modal>p{color:var(--muted)}.modal-close{position:absolute;right:13px;top:10px;border:0;background:transparent;font-size:29px;color:var(--muted)}.modal label,.poster-controls label{display:block;margin-top:13px}.modal label>span,.poster-controls label>span{display:block;color:var(--muted);font-size:12px;margin-bottom:5px}.modal input,.modal select,.modal textarea,.poster-controls input,.poster-controls textarea{width:100%;border:1px solid #d5dce5;border-radius:4px;padding:10px;background:#fff;resize:vertical}.form-tip{display:block;text-align:center;color:var(--muted);margin-top:9px}.group-shell{max-width:760px}.group-hero{display:grid;grid-template-columns:140px 1fr;background:#172235;color:#fff}.group-hero img{width:140px;height:180px;object-fit:cover}.group-hero>div{padding:27px}.group-hero h1{font-size:27px;margin:8px 0 4px}.group-hero p{color:#cbd3dd}.group-panel{padding:24px;margin-top:16px}.group-result{display:flex;justify-content:space-between;align-items:center}.group-result strong{font-size:24px}.group-result span{color:var(--muted)}.member-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:25px}.member-grid div{text-align:center}.member-grid span{margin:auto}.member-grid b,.member-grid small{display:block}.member-grid small{color:var(--muted)}.member-grid .waiting .member-avatar{background:#edf0f3;color:#8893a1}.group-actions .btn{margin-right:8px}.poster-workbench{display:grid;grid-template-columns:minmax(400px,620px) minmax(320px,1fr);gap:28px;align-items:start}.poster-preview{text-align:center}.poster-frame{position:relative;width:min(100%,540px);margin:auto;background:#fff;box-shadow:0 10px 30px rgba(23,34,53,.14)}#poster-canvas{display:block;width:100%;height:auto;aspect-ratio:3/4}.poster-frame #poster-loading{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.88);font-weight:700}.poster-preview>p{color:var(--muted)}.poster-controls{background:#fff;border:1px solid var(--line);padding:26px;position:sticky;top:18px}.poster-controls h1{font-size:28px;margin:5px 0}.poster-controls>p{color:var(--muted)}.template-picker{display:grid;grid-template-columns:1fr 1fr;gap:8px}.template-choice{display:flex;align-items:center;gap:8px;border:1px solid var(--line);background:#fff;border-radius:5px;padding:9px;text-align:left}.template-choice i{width:18px;height:18px;border-radius:3px;flex:0 0 auto}.template-choice.active{border-color:#172235;box-shadow:inset 0 0 0 1px #172235}.poster-form-grid{display:grid;grid-template-columns:120px 1fr;gap:10px}.poster-button-row{display:flex;gap:8px;margin-top:18px}.poster-button-row .btn{flex:1}.poster-note{display:block;color:var(--muted);margin-top:12px}.image-mask>div{max-height:96vh;text-align:center}.image-mask b{display:block;color:#fff;margin-bottom:8px}.image-mask img{display:block;max-height:82vh;max-width:90vw}.image-mask .btn{margin-top:8px}.not-found{text-align:center}.toast{z-index:50}

@media(max-width:800px){.catalog-head{min-height:210px;padding:35px 18px;display:block}.catalog-head h1{font-size:29px}.catalog-stats{margin-top:22px;grid-template-columns:auto auto auto auto;min-width:0;justify-content:start}.catalog-stats b{font-size:23px}.section.catalog{padding-bottom:74px}.toolbar{align-items:stretch;flex-direction:column;margin-bottom:24px}.search span{display:none}.search input{width:100%}.cards{display:grid;grid-template-columns:1fr}.course-card{display:grid;grid-template-columns:128px 1fr}.course-cover{height:100%;min-height:250px}.course-card .card-body{padding:13px}.course-card h3{height:auto;margin:6px 0;font-size:17px}.course-card p{height:40px}.course-card .price{gap:6px}.course-card .price del{display:none}.course-card .price .btn{padding:7px 10px}.detail-shell,.group-shell,.poster-page{padding:15px 12px 82px}.detail-grid{display:block}.detail-hero{grid-template-columns:125px 1fr}.detail-cover{height:260px}.detail-cover span{left:8px;top:8px;font-size:10px;padding:4px 6px}.detail-summary{padding:16px}.detail-summary h1{font-size:21px;margin:5px 0}.detail-summary>p{font-size:12px;min-height:42px;max-height:58px;overflow:hidden}.detail-price{padding:8px;margin-top:12px;display:block}.detail-price b{font-size:29px}.detail-price span{margin-left:7px}.detail-price del{display:block;font-size:11px}.deadline{font-size:11px}.content-section{padding:17px}.info-list{grid-template-columns:1fr}.info-list div:nth-child(odd){padding-right:0}.steps{grid-template-columns:1fr;gap:14px}.group-row{grid-template-columns:38px 1fr auto}.group-row em{display:none}.group-row strong{font-size:12px}.action-panel{display:none}.mobile-actions{display:grid;grid-template-columns:100px 1fr;gap:8px;position:fixed;left:0;right:0;bottom:0;z-index:9;background:#fff;border-top:1px solid var(--line);padding:9px 12px calc(9px + env(safe-area-inset-bottom))}.modal{padding:22px}.group-hero{grid-template-columns:110px 1fr}.group-hero img{width:110px;height:150px}.group-hero>div{padding:18px}.group-hero h1{font-size:21px}.member-grid{grid-template-columns:repeat(3,1fr);gap:12px}.group-actions .btn{margin:4px 0;width:100%}.poster-workbench{display:flex;flex-direction:column}.poster-preview,.poster-controls{width:100%}.poster-controls{position:static;padding:18px}.poster-frame{width:min(100%,430px)}.template-picker{grid-template-columns:1fr 1fr}.poster-form-grid{grid-template-columns:1fr}.poster-button-row{position:sticky;bottom:0;background:#fff;padding:8px 0}.secure{display:none}}

.marketing-bar{height:44px;background:#fff7e3;border-bottom:1px solid #f0d99b;color:#76550b;display:flex;align-items:center;gap:12px;padding:0 max(16px,calc((100% - 1180px)/2));position:relative;z-index:2}.ticker{display:flex;align-items:center;gap:8px;min-width:0;flex:1;overflow:hidden}.ticker>b{background:#f0a51a;color:#fff;padding:3px 8px;border-radius:3px;font-size:11px;flex:0 0 auto}.ticker>div{overflow:hidden;white-space:nowrap}.ticker span{display:inline-block;animation:ticker-scroll 24s linear infinite;white-space:nowrap}.music-toggle{width:28px;height:28px;border:1px solid #e4c66e;border-radius:50%;background:#fff;color:#b27b0d;font-weight:800}.music-toggle.playing{background:#f0a51a;color:#fff}@keyframes ticker-scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}.countdown-strip{margin:14px 0;padding:10px 13px;background:#fff3e8;border-left:4px solid var(--brand);color:#9d3f22}.countdown-strip b{font-size:22px;color:var(--brand);margin-left:6px;letter-spacing:1px}
.tier-table{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px}.tier-table>div{border:1px solid var(--line);background:#fbfcfd;border-radius:5px;padding:13px}.tier-table span,.tier-table b,.tier-table small{display:block}.tier-table span{font-size:12px;color:var(--muted)}.tier-table b{font-size:24px;color:var(--brand);margin:2px 0}.tier-table small{color:var(--muted)}.rich-copy{color:#475466;line-height:1.8;word-break:break-word}.recent-strip{padding-top:20px;padding-bottom:20px}.recent-orders{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.recent-order{display:flex;justify-content:space-between;gap:8px;text-align:left;border:1px solid var(--line);background:#fff;padding:12px;border-radius:5px}.recent-order b{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.recent-order span{color:var(--brand);font-size:12px;white-space:nowrap}
.reward-rule{display:flex;align-items:center;gap:12px;flex-wrap:wrap;background:#fff8df;border:1px solid #eedb9f;padding:14px 16px;color:#665311}.reward-rule b{font-size:20px;color:var(--brand)}.reward-rule strong{color:#172235}.mobile-actions.single-action{grid-template-columns:1fr}.mobile-actions.single-action #open-group-mobile{grid-column:1/-1}
@media(max-width:800px){.recent-orders{grid-template-columns:1fr}.tier-table{grid-template-columns:1fr}.recent-order{min-width:0}}