@layer legacy {
:root{--ink:#173b35;--muted-foreground:#72837b;--green:#236f55;--soft:#edf3e9;--gold:#edc557;--edge:#dce5da;--bg:#fafbf7;--white:#fff;--red:#af4d3b;font-family:system-ui,-apple-system,'PingFang SC','Microsoft YaHei',sans-serif;color:var(--ink);background:var(--bg);font-synthesis:none}*{box-sizing:border-box}body{margin:0;min-width:340px;font-size:14px;line-height:1.6}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,a,input,select{touch-action:manipulation}button{cursor:pointer;border:1px solid var(--edge);background:#fff;color:var(--ink);border-radius:9px;padding:9px 15px;transition:background .15s}button:hover{background:#f0f4ed;border-color:#a8bfae}button:disabled{opacity:.45;cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #9dc7a4;outline-offset:3px}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 19px;border:1px solid var(--edge);border-radius:9px;font-size:13px;font-weight:550;background:#fff;cursor:pointer}.primary{background:var(--green);border-color:var(--green);color:#fff}.primary:hover{background:#195b44;border-color:#195b44;color:#fff}.gold{background:var(--gold);border-color:var(--gold);color:#294132}.link{color:var(--green);background:none;border:0;padding:3px;font-weight:550}.danger{color:var(--red);border-color:#edd8d2}.pill{display:inline-flex;align-items:center;border-radius:30px;padding:4px 10px;background:var(--soft);font-size:10px;color:var(--green);white-space:nowrap}.pill.gold{background:#fff0bf;color:#8a6b22}.pill.red{background:#f9e8e2;color:#ac543e}.pill.gray{background:#edf0ed;color:#79847b}.header{height:80px;display:flex;align-items:center;justify-content:space-between;padding:0 max(28px,calc((100vw - 1200px)/2));gap:30px;border-bottom:1px solid var(--edge);background:#fffffff0;backdrop-filter:blur(12px);position:sticky;top:0;z-index:10}.brand{display:flex;align-items:center;gap:10px;white-space:nowrap}.brand img{width:42px;height:42px}.brand strong{font-size:24px;letter-spacing:1px}.brand small{color:var(--muted-foreground);font-size:10px;font-weight:400;margin-left:9px;padding-left:14px;border-left:1px solid var(--edge)}.nav{display:flex;align-items:center;gap:29px;font-size:13px;color:#63796d}.nav a.active{color:var(--green);font-weight:700}.user-nav{display:flex;gap:10px;align-items:center;font-size:12px}.user-chip{background:#edf3e9;border:1px solid #d7e3d3;border-radius:8px;padding:9px 12px;color:#456d52}.wrap{max-width:1200px;margin:auto;padding:0 24px}.hero{padding-top:58px;display:grid;grid-template-columns:1.02fr 1fr;gap:50px;align-items:center}.eyebrow{font-size:10px;color:#7e8e76;letter-spacing:1.8px;font-weight:650;text-transform:uppercase}.hero h1{font-size:52px;font-weight:650;line-height:1.28;letter-spacing:-1.5px;margin:16px 0 22px}.hero h1 em{font-style:normal;color:var(--green);position:relative}.hero h1 em:after{content:'';height:9px;position:absolute;bottom:4px;left:0;right:0;background:#f0d77a88;z-index:-1}.hero-description{font-size:14px;color:#738277;line-height:1.95;max-width:440px}.hero-buttons{display:flex;gap:12px;margin:27px 0 20px}.hero-proof{display:flex;gap:18px;flex-wrap:wrap;font-size:10px;color:#7d8d7b}.hero-proof span:before{content:'✓';color:var(--green);margin-right:6px}.hero-art{position:relative;border:1px solid #d8e2d0;border-radius:24px;background:linear-gradient(140deg,#eaf1e2,#f8f7e7);padding:24px;min-height:368px;overflow:hidden}.art-label{display:flex;align-items:center;gap:7px;font-size:10px;letter-spacing:1.2px;color:#7d8c76}.dots{display:flex;gap:4px;margin-right:auto}.dots i{width:6px;height:6px;border-radius:50%;background:#becbb6}.hero-art svg{width:100%;height:260px;display:block}.float-note{position:absolute;right:17px;bottom:22px;background:#ffffffdf;border:1px solid #dbe5d7;box-shadow:0 9px 25px #4963370a;border-radius:11px;padding:13px 18px;font-size:11px;color:#718371}.float-note b{color:#36674b;margin-right:8px}.stats-row{display:grid;grid-template-columns:repeat(4,1fr);padding:35px 0 30px;border-bottom:1px solid var(--edge);margin-top:20px}.stats-row>div{display:flex;align-items:baseline;gap:9px;border-right:1px solid var(--edge);padding-left:28px}.stats-row>div:first-child{padding-left:0}.stats-row>div:last-child{border:0}.stats-row strong{font-size:27px;font-weight:600;color:#3c674b}.stats-row span{color:#83917e;font-size:11px}.section{padding-top:36px;padding-bottom:15px}.section-title{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:23px}.section-title h1,.section-title h2{font-weight:600;letter-spacing:-.5px;margin:0;font-size:26px}.section-title p{font-size:12px;color:var(--muted-foreground);margin:6px 0 0}.section-title .link{font-size:12px}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:21px}.course-card{border:1px solid var(--edge);border-radius:13px;background:#fff;overflow:hidden;transition:transform .2s,border-color .2s}.course-card:hover{transform:translateY(-3px);border-color:#a6c0a0}.course-art{height:165px;position:relative;overflow:hidden;background:#eff4ea}.course-art.physics{background:linear-gradient(130deg,#edf4ee,#e3eee8)}.course-art.chemistry{background:linear-gradient(130deg,#edf0f7,#e5e8f1)}.course-art .art-index{position:absolute;left:17px;top:13px;font:9px ui-monospace,monospace;color:#94a28e;letter-spacing:1px}.course-art .pill{position:absolute;right:12px;top:12px;background:#ffffffe6;border:1px solid #e0e7d9}.course-art svg{display:block;width:100%;height:100%;padding:10px 48px 2px}.course-copy{padding:19px 20px 17px}.course-meta{font-size:10px;color:#8a987f;margin-bottom:7px}.course-copy h3{font-size:17px;font-weight:600;line-height:1.5;margin:4px 0 10px}.course-copy p{color:#86917e;font-size:11px;line-height:1.8;height:40px;overflow:hidden;margin:0 0 17px}.course-bottom{display:flex;align-items:center;justify-content:space-between;border-top:1px solid #edf0e8;padding-top:13px;gap:10px}.course-bottom strong{font:600 20px ui-monospace,monospace;color:#365d48}.course-bottom strong small{font:10px system-ui;color:#84927b;margin-left:5px}.course-bottom .button{font-size:11px;padding:7px 12px}.course-bottom .free-label{font:600 12px system-ui;color:var(--green)}.feature-band{margin:35px 0 20px;background:#eaf1e3;border-radius:15px;padding:27px 31px;display:flex;align-items:center;justify-content:space-between;gap:30px}.feature-band h3{font-size:21px;font-weight:550;margin:0 0 8px}.feature-band p{font-size:12px;color:#7b8a70;margin:0}.benefits{display:grid;grid-template-columns:repeat(3,1fr);gap:25px;margin:20px 0 45px}.benefits>div{padding:20px 0}.benefits h3{font-size:15px;margin:10px 0}.benefits p{font-size:11px;color:#85927b;line-height:1.9}.benefit-icon{width:34px;height:34px;background:#eef3e6;border:1px solid #d9e4d0;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:18px;color:#69875b}.footer{border-top:1px solid var(--edge);padding:27px 0;margin-top:38px;color:#8b9881;font-size:10px}.footer-inner{display:flex;justify-content:space-between;align-items:flex-start;gap:25px}.footer p{margin:0 0 4px}.footer-links{display:flex;gap:17px}.notice{background:#fff2c5;color:#8c7030;text-align:center;padding:8px 15px;font-size:11px;border-bottom:1px solid #f1dfa3}.notice.test{background:#f4e5e2;color:#9b4c40}.catalog-head{display:flex;justify-content:space-between;align-items:center;gap:25px;padding:36px 0 20px}.catalog-head h1{font-size:29px;margin:0}.catalog-head p{font-size:12px;color:var(--muted-foreground)}.search{display:flex;border:1px solid var(--edge);border-radius:9px;background:#fff;align-items:center;padding:0 12px;gap:8px;color:#90a083}.search input{width:250px;padding:11px 0;border:0;background:none;outline:none;color:var(--ink);font-size:12px}.filters{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin:8px 0 23px}.filters a{border:1px solid var(--edge);border-radius:7px;background:#fff;padding:7px 14px;font-size:11px;color:#7e8e74}.filters a.active{border-color:#669c73;background:#e9f2e3;color:#336742;font-weight:600}.filters .filter-separator{height:18px;background:var(--edge);width:1px;margin:0 7px}.empty{padding:55px 20px;text-align:center;color:#8a9981;background:#fff;border:1px dashed var(--edge);border-radius:12px}.empty h3{font-size:18px;color:#71826b;font-weight:500}.page-heading{margin:35px 0 23px}.page-heading h1{font-size:29px;margin:0 0 8px;font-weight:600}.page-heading p{color:var(--muted-foreground);font-size:12px}.pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:23px;align-items:stretch;margin:24px 0 25px}.plan{border:1px solid var(--edge);background:#fff;border-radius:14px;padding:28px 25px;position:relative;display:flex;flex-direction:column}.plan.featured{border:2px solid #437c55;background:#f4f8ef}.plan h2{font-size:19px;font-weight:600;margin:5px 0 10px}.plan>p{color:#829177;font-size:11px;line-height:1.9}.plan-price{font:600 39px ui-monospace,monospace;letter-spacing:-2px;margin:18px 0;color:#345d43}.plan-price small{font:11px system-ui;letter-spacing:0;color:#85977a;margin-left:9px}.plan ul{list-style:none;padding:0;margin:8px 0 23px;flex:1}.plan li{font-size:12px;color:#7a8c71;margin:11px 0}.plan li:before{content:'✓';margin-right:9px;color:#588650}.plan .button{width:100%}.fine-print{font-size:11px;color:#90a082;line-height:1.9}.breadcrumb{font-size:11px;color:#889b7c;margin:27px 0 22px}.detail{display:grid;grid-template-columns:1.2fr 1fr;gap:35px}.detail .course-art{height:340px;border:1px solid var(--edge);border-radius:14px}.detail-copy h1{font-size:31px;line-height:1.4;margin:12px 0 17px}.detail-copy>p{font-size:13px;color:#7a8e71;line-height:1.9}.detail-price{font:600 32px ui-monospace,monospace;margin:24px 0 15px}.detail-actions{display:flex;gap:12px;flex-wrap:wrap}.detail-features{display:flex;gap:20px;flex-wrap:wrap;color:#8da07f;font-size:11px;margin-top:20px}.box{background:#fff;border:1px solid var(--edge);border-radius:12px;padding:23px;margin-bottom:20px}.box h2{font-size:17px;font-weight:600;margin:0 0 18px}.box p{color:#83937a;font-size:12px;line-height:1.9}.two-col{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(270px,1fr);gap:25px}.summary-row{display:flex;justify-content:space-between;gap:20px;padding:10px 0;color:#78906b;font-size:12px}.summary-row strong{color:#49693d;font-weight:550}.summary-row.total{border-top:1px solid var(--edge);font-size:14px;margin-top:10px;padding-top:17px}.summary-row.total strong{font:600 25px ui-monospace,monospace}.form label{display:block;font-size:12px;color:#708465;margin-bottom:15px}.form input,.form textarea,.form select{display:block;width:100%;border:1px solid #d8e3cf;background:#fbfcf8;color:var(--ink);border-radius:7px;padding:11px 12px;margin-top:6px;outline:none;font-size:13px}.form input:focus,.form textarea:focus,.form select:focus{border-color:#8ca582}.form textarea{min-height:95px;resize:vertical}.form .inline-input{display:flex;align-items:center;gap:9px}.form .inline-input input{flex:1;min-width:0}.form .inline-input button{font-size:11px;white-space:nowrap;padding:11px 12px;margin-top:6px}.form .checkline{display:flex;align-items:flex-start;gap:9px;line-height:1.8;font-size:11px}.form .checkline input{width:auto;margin-top:5px;accent-color:var(--green)}.form .checkline a{color:var(--green);text-decoration:underline;text-underline-offset:2px}.form-error{color:var(--red);font-size:11px;line-height:1.8;min-height:20px;margin:7px 0}.form-hint{font-size:10px;color:#8ca17e;margin-top:-9px;margin-bottom:15px}.payment-choice{display:flex;gap:12px;align-items:center;border:1px solid #aac39e;background:#f1f7ea;padding:19px;border-radius:9px;margin-bottom:20px}.wechat-icon{width:39px;height:39px;background:#38aa4a;color:#fff;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:22px}.payment-choice h3{font-size:14px;margin:0}.payment-choice p{font-size:10px;margin:3px 0 0;color:#8b9f7b}.qr-panel{text-align:center;padding:18px}.qr-panel img{display:block;width:240px;max-width:100%;margin:12px auto;border:1px solid var(--edge);border-radius:9px;padding:12px;background:#fff}.qr-panel h2{font-size:21px}.qr-panel p{font-size:12px;color:#809472}.success-icon{width:65px;height:65px;background:#e4f0d9;color:#558b3d;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:30px;margin:15px auto}.account-head{display:flex;gap:17px;align-items:center;padding:30px 0 15px}.avatar{width:62px;height:62px;background:#e5efda;border:1px solid #d0e0c3;border-radius:19px;display:flex;align-items:center;justify-content:center;font-size:24px;color:#5d854b}.account-head h1{font-size:23px;margin:0}.account-head p{font-size:11px;color:#8a9e7c;margin:5px 0}.tabs{display:flex;gap:22px;border-bottom:1px solid var(--edge);overflow:auto;margin-bottom:25px;white-space:nowrap}.tabs a{padding:13px 0;font-size:12px;color:#8a9f7b;border-bottom:2px solid transparent}.tabs a.active{border-color:#497f3c;color:#3d7532;font-weight:650}.table-wrap{overflow:auto}.table{width:100%;border-collapse:collapse;font-size:11px;white-space:nowrap}.table th{font-weight:500;text-align:left;color:#91a082;background:#f6f9f0;padding:12px}.table td{padding:13px 12px;border-bottom:1px solid #eaf0e2;color:#718866;max-width:290px;overflow:hidden;text-overflow:ellipsis}.table .row-title{color:#45623a;font-weight:550}.table .table-actions{display:flex;gap:6px;align-items:center}.table button,.table .button{font-size:10px;padding:5px 9px}.order-id{font:9px ui-monospace,monospace;color:#9aaa8d}.subscription-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.subscription h3{font-size:17px;color:#4a7539;margin:5px 0}.subscription .summary-row{font-size:11px}.pagination{display:flex;justify-content:center;gap:12px;align-items:center;font-size:11px;color:#8da17d;margin:25px 0}.pagination .button{padding:6px 12px}.session-row{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:15px 0;border-bottom:1px solid var(--edge);font-size:11px;color:#809574}.session-row p{font-size:10px;margin:5px 0;color:#99aa8b}dialog{width:min(460px,calc(100% - 28px));max-height:92dvh;overflow:auto;padding:31px;border:1px solid #d5dfcb;border-radius:17px;background:#fffdf8;color:var(--ink);box-shadow:0 20px 100px #183a2430}dialog::backdrop{background:#182c247d;backdrop-filter:blur(5px)}dialog.wide{width:min(720px,calc(100% - 28px))}.modal-close{position:absolute;right:14px;top:9px;border:0;background:none;font-size:25px;color:#a3af96;padding:3px 8px}.modal-brand{display:flex;gap:10px;align-items:center;margin:3px 0 17px}.modal-brand img{width:37px;height:37px}.modal-brand strong{font-size:23px}dialog h2{font-size:22px;margin:10px 0 7px;font-weight:600}dialog>p{font-size:11px;color:#8b9c7d;line-height:1.9}.auth-tabs{display:flex;gap:18px;border-bottom:1px solid var(--edge);margin-bottom:20px}.auth-tabs button{border:0;border-radius:0;border-bottom:2px solid transparent;background:none;color:#97a88a;font-size:12px;padding:9px 0}.auth-tabs button.active{color:var(--green);border-color:var(--green)}.full-width{width:100%}.form-end{display:flex;justify-content:space-between;align-items:center;margin:17px 0 0;font-size:10px;color:#97a98b}.form-end button{font-size:10px}.legal{max-width:820px;padding-top:35px;padding-bottom:30px}.legal h1{font-size:29px}.legal h2{font-size:18px;margin-top:25px}.legal p,.legal li{font-size:13px;color:#7b8f6e;line-height:2}.boot{min-height:70vh;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#8ea382;font-size:12px}.mobile-menu{display:none}#toast{position:fixed;bottom:25px;left:50%;transform:translate(-50%,15px);background:#204f3e;color:#f2f5e7;font-size:12px;padding:13px 22px;border:1px solid #3b6c55;border-radius:9px;max-width:calc(100% - 30px);opacity:0;pointer-events:none;transition:opacity .15s,transform .15s;z-index:80;box-shadow:0 8px 30px #20462b25}#toast.visible{opacity:1;transform:translate(-50%,0)}.loading-line{height:3px;background:#85ac6d;position:fixed;top:0;left:0;width:100%;z-index:100}
.admin-layout{display:grid;grid-template-columns:225px minmax(0,1fr);min-height:100dvh;background:#f3f6f8;color:#283e4c}.admin-nav{background:#142c37;color:#87a4b2;padding:27px 17px;position:sticky;top:0;height:100dvh;overflow:auto}.admin-nav .brand{color:#fff;padding:0 8px 24px;border-bottom:1px solid #2b4653}.admin-nav .brand img{width:33px;height:33px}.admin-nav .brand strong{font-size:21px}.admin-eyebrow{font-size:9px;color:#5b8193;margin:25px 13px 14px;letter-spacing:1.2px}.admin-nav nav{display:flex;flex-direction:column;gap:6px}.admin-nav nav a{display:flex;gap:11px;align-items:center;padding:11px 14px;border-radius:7px;font-size:12px}.admin-nav nav a.active{background:#274955;color:#e5eef3}.admin-nav nav a:hover{background:#1d3a47}.admin-nav nav .icon{color:#698f9f;min-width:18px}.admin-nav-bottom{padding:20px 10px;font-size:10px;color:#5e8597;border-top:1px solid #2b4653;margin-top:26px}.admin-main{min-width:0}.admin-header{height:77px;background:#fff;border-bottom:1px solid #e2e9ed;padding:0 31px;display:flex;align-items:center;justify-content:space-between;gap:20px}.admin-header h1{font-size:20px;font-weight:550;margin:0;color:#334e5d}.admin-header p{font-size:10px;color:#97a8af;margin:2px 0 0}.admin-header .user-nav{font-size:10px;color:#8a9ea6}.admin-content{padding:27px 31px}.admin-toolbar{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:22px}.admin-toolbar p{font-size:11px;color:#92a6ae}.admin-toolbar select{font-size:11px;border:1px solid #d8e2e7;background:#fff;padding:7px 10px;border-radius:6px;color:#6f8a97}.kpis{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:20px}.kpi{border:1px solid #e1e8ed;border-radius:10px;background:#fff;padding:19px 19px 15px}.kpi small{font-size:10px;color:#93a5ae;display:block}.kpi strong{display:block;font:600 26px ui-monospace,monospace;color:#32566a;margin:13px 0 5px}.kpi p{font-size:9px;color:#b2bec4;margin:0}.kpi.accent{background:#214b59;border-color:#214b59}.kpi.accent small{color:#86a9b9}.kpi.accent strong{color:#eaf1f0}.kpi.accent p{color:#6d96a8}.admin-panels{display:grid;grid-template-columns:1.7fr 1fr;gap:20px;margin-bottom:20px}.admin-card{border:1px solid #dfe7ec;border-radius:10px;background:#fff;overflow:hidden;margin-bottom:20px}.admin-card-header{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:19px 22px;border-bottom:1px solid #eff3f5}.admin-card-header h2{font-size:13px;font-weight:550;margin:0;color:#56717f}.admin-card-header small{font-size:9px;color:#a1b4bd}.chart{height:240px;padding:15px 16px 10px;position:relative}.chart svg{width:100%;height:100%;display:block}.chart-empty{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:11px;color:#b0bdc4}.chart-legend{font-size:9px;display:flex;gap:20px;padding:0 22px 16px;color:#9bafb9}.chart-legend i{width:6px;height:6px;display:inline-block;border-radius:50%;background:#4e8d92;margin-right:6px}.rank-list{padding:4px 20px 16px;min-height:255px}.rank-item{padding:14px 0;border-bottom:1px solid #eff3f5;display:flex;align-items:center;gap:12px;font-size:10px;color:#7d96a4}.rank-index{color:#b9c6ce;width:15px;font:11px ui-monospace,monospace}.rank-item strong{font:11px ui-monospace,monospace;margin-left:auto;color:#6b8e9f}.admin-content .table th{background:#f8fafb;color:#9aafb8;font-size:10px}.admin-content .table td{color:#7f98a5;font-size:10px;border-color:#eff3f5}.admin-content .table .row-title{color:#526f80}.admin-content button,.admin-content .button{border-color:#dbe4e8;color:#5e7b8b;font-size:11px}.admin-content .primary{background:#2b6672;border-color:#2b6672;color:#fff}.admin-search{display:flex;gap:8px}.admin-search input{width:210px;border:1px solid #dae5e9;padding:8px 11px;border-radius:6px;background:#fff;color:#486878;font-size:11px}.admin-warning{background:#fff8e5;border:1px solid #ebdfbf;padding:13px 17px;border-radius:8px;color:#9c8b5e;font-size:11px;margin-bottom:19px;line-height:1.8}.settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.integration-check{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #edf1f3;padding:10px 0;font-size:11px;color:#8ca1ad}.integration-check strong{font-size:10px;font-weight:500;color:#b38060}.integration-check strong.ok{color:#6c9d78}.admin-content .box h2{color:#567785;font-size:14px}.admin-content .box p{color:#99acb5;font-size:11px}.admin-content .box{border-color:#dfe7ec}.admin-hint{font-size:10px;color:#a1b2ba;padding:0 2px;line-height:1.9}.status-dot{display:inline-block;width:6px;height:6px;border-radius:50%;margin-right:6px;background:#8dbca0}.status-dot.pending{background:#d5b676}.spinner{padding:70px 20px;text-align:center;color:#95aaa4;font-size:12px}.mobile-admin-menu{display:none}
@media(max-width:1100px){.header{padding:0 25px;gap:18px}.brand small{display:none}.nav{gap:21px}.hero h1{font-size:43px}.hero{gap:30px}.cards{gap:16px}.admin-layout{grid-template-columns:190px 1fr}.admin-nav{padding:24px 12px}.admin-content{padding:24px}.admin-header{padding:0 24px}.kpis{gap:12px}.kpi{padding:16px}.kpi strong{font-size:23px}.admin-panels{grid-template-columns:1.4fr 1fr}.course-art svg{padding-left:35px;padding-right:35px}}
@media(max-width:820px){.hero{grid-template-columns:1fr;gap:25px;padding-top:35px}.hero-copy{max-width:620px}.hero-art{min-height:300px}.hero-art svg{height:220px}.hero h1{font-size:43px}.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.pricing{grid-template-columns:1fr;max-width:580px;margin:auto}.plan{padding:24px}.detail{grid-template-columns:1fr}.detail .course-art{height:280px}.two-col{grid-template-columns:1fr}.detail-copy h1{font-size:28px}.stats-row>div{padding-left:15px;display:block}.stats-row span{display:block;margin-top:4px}.nav{gap:16px}.header{height:72px}.user-nav .register-button{display:none}.admin-layout{grid-template-columns:1fr}.admin-nav{display:none}.admin-nav.open{display:block;position:fixed;z-index:50;width:215px;box-shadow:12px 0 50px #12334130}.mobile-admin-menu{display:block;border:0;background:#eff4f6;padding:7px 10px;margin-right:10px}.admin-header{height:71px;padding:0 19px}.admin-header>div:first-child{display:flex;align-items:center}.admin-header h1{font-size:18px}.admin-content{padding:22px 18px}.kpis{grid-template-columns:repeat(2,minmax(0,1fr))}.admin-panels{grid-template-columns:1fr}.settings-grid{grid-template-columns:1fr}.admin-toolbar{align-items:flex-start}.subscription-grid{grid-template-columns:1fr}}
@media(max-width:560px){.header{height:67px;padding:0 15px;gap:10px}.brand img{width:34px;height:34px}.brand strong{font-size:21px}.nav{gap:14px;font-size:11px}.nav a:nth-child(3){display:none}.user-nav{gap:5px}.user-nav .button{font-size:10px;padding:7px 10px}.user-chip{font-size:10px;padding:8px}.user-nav .logout-button{display:none}.wrap{padding:0 17px}.hero{padding-top:28px}.hero h1{font-size:36px;letter-spacing:-.7px;margin:14px 0 17px}.hero-description{font-size:12px}.hero-buttons{gap:10px;margin-top:21px}.hero-buttons .button{font-size:12px;padding:10px 15px}.hero-proof{font-size:9px;gap:12px}.hero-art{padding:18px;min-height:265px;border-radius:18px}.hero-art svg{height:195px}.float-note{font-size:10px;padding:10px 13px;bottom:17px}.stats-row{padding:25px 0;margin-top:12px}.stats-row>div{padding-left:12px}.stats-row strong{font-size:23px}.stats-row span{font-size:9px}.section{padding-top:29px}.section-title{gap:10px;margin-bottom:18px}.section-title h2{font-size:23px}.section-title p{font-size:10px}.section-title .link{font-size:10px;white-space:nowrap}.cards{grid-template-columns:1fr;gap:18px}.course-art{height:180px}.course-copy{padding:18px}.course-copy h3{font-size:18px}.course-copy p{font-size:12px;height:43px}.feature-band{padding:23px;display:block;margin-top:27px}.feature-band h3{font-size:19px}.feature-band p{font-size:11px}.feature-band .button{margin-top:18px;font-size:12px}.benefits{grid-template-columns:1fr;gap:0;margin-bottom:20px}.benefits>div{border-bottom:1px solid var(--edge);padding:15px 0}.benefits h3{margin:9px 0 5px}.benefits p{margin:5px 0}.footer-inner{display:block}.footer-links{margin-top:15px;font-size:10px;gap:16px}.catalog-head{display:block;padding-top:27px}.catalog-head h1{font-size:26px}.catalog-head .search{margin-top:18px;width:100%}.search input{width:100%}.filters{gap:7px;margin:3px 0 20px}.filters a{font-size:10px;padding:6px 10px}.filter-separator{display:none}.page-heading{margin-top:26px}.page-heading h1{font-size:26px}.detail .course-art{height:250px}.detail{gap:15px}.detail-copy h1{font-size:25px}.detail-copy>p{font-size:12px}.detail-price{font-size:29px}.detail-actions .button{font-size:11px;padding:10px 15px}.box{padding:18px}.qr-panel img{width:220px}.account-head{padding-top:25px}.account-head h1{font-size:21px}.avatar{width:51px;height:51px;border-radius:15px}.tabs{gap:23px}.tabs a{font-size:11px;padding-top:10px}.session-row{align-items:flex-start}.session-row>div{max-width:75%;overflow-wrap:anywhere}.session-row button{font-size:10px;padding:7px}.admin-header{padding:0 14px}.admin-header .user-nav a:first-child{display:none}.admin-content{padding:18px 12px}.admin-toolbar{gap:12px;flex-wrap:wrap}.admin-toolbar p{font-size:10px;margin:0}.admin-search{width:100%}.admin-search input{flex:1;min-width:0}.kpis{gap:10px}.kpi{padding:14px 13px}.kpi strong{font-size:23px;margin-top:12px}.kpi small{font-size:9px}.kpi p{font-size:8px}.admin-card-header{padding:15px}.chart{height:215px}.admin-content .table td{max-width:220px}.settings-grid{gap:5px}dialog{padding:26px 23px}.notice{font-size:10px;padding:8px 12px}.legal h1{font-size:25px}.legal p,.legal li{font-size:12px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
.admin-sidebar{background:#142f37;color:#b9cfce;padding:28px 18px;position:sticky;top:0;height:100dvh;overflow:auto}.admin-brand{display:flex;align-items:center;gap:11px;color:#fff;font-size:23px;margin:0 9px 24px}.admin-brand img{width:37px;height:37px}.admin-sidebar>small{display:block;font-size:9px;letter-spacing:1.2px;color:#6d939d;margin:18px 12px}.admin-sidebar nav{display:grid;gap:5px}.admin-sidebar nav a{padding:12px 13px;border-radius:7px;display:flex;align-items:center;gap:12px;font-size:12px}.admin-sidebar nav a.active{background:#2d505b;color:#fff}.admin-sidebar nav a:hover{background:#22434e}.admin-sidebar nav a span{font-size:17px;color:#7fa2aa;width:18px}.admin-sidebar-foot{border-top:1px solid #33515a;margin-top:22px;padding:20px 10px;display:grid;gap:17px;font-size:11px;color:#87aab1}.admin-sidebar-foot button{border:0;background:transparent;color:inherit;text-align:left;padding:0}.admin-main{padding:0 30px 30px}.admin-top{display:flex;align-items:center;justify-content:space-between;margin:0 -30px 27px;padding:24px 30px 20px;background:#fff;border-bottom:1px solid #e1e8ec}.admin-top h1{font-size:24px;margin:5px 0 0;color:#365b67}.admin-top p{font-size:9px;margin:0;color:#93a8b2}.kpi-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:22px}.kpi>span{font-size:11px;color:#7894a0}.kpi strong{font-size:25px;min-height:31px}.kpi small{font-size:10px;color:#95a7ad}.admin-main .box{border-color:#e0e8ec;margin-bottom:22px}.admin-main .box h2{font-size:15px;color:#486e7a}.admin-main .table{font-size:11px}.admin-main .table td{max-width:310px;overflow-wrap:anywhere}.admin-main .table small{font-size:9px;color:#8ba0ad}.admin-main .table .pill{font-size:10px}.admin-main .table button,.admin-main .table .button{font-size:10px;padding:6px 8px}.admin-main .chart{border:1px solid #e0e8ec;background:#fff;border-radius:10px;height:auto;padding:18px;margin-bottom:22px;overflow:hidden}.chart-title{display:flex;align-items:center;justify-content:space-between;gap:10px}.chart-title h3{font-size:13px;color:#4b7480;margin:0}.chart-title>span{font-size:10px;color:#97a9af}.admin-main .chart svg{width:100%;height:auto;max-height:220px}.admin-main .metric-notes p{font-size:11px;color:#7e98a3;line-height:1.9}.good{color:#398766}.bad{color:#b6884c}.admin-toolbar>div{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.admin-toolbar>div>span{font-size:11px;color:#97a7b0}.admin-toolbar .button{font-size:10px;padding:7px 10px}.admin-toolbar .search{background:#fff}.admin-main .two-col{gap:18px}.admin-main .two-col>.box{min-width:0}.notice.test{background:#fff4d8;color:#8d7130;border-bottom:1px solid #f0dfb5}.form-error{min-height:18px;color:#ae514a;font-size:12px}.payment-choice{display:flex;align-items:center;gap:17px;margin:25px 0}.wechat-icon{font-size:32px;color:#34a16f}.payment-choice h3{margin:0 0 8px}.payment-choice p{font-size:12px;color:#82958c}.modal-brand{display:flex;align-items:center;gap:10px;margin-bottom:22px}.modal-brand img{width:36px;height:36px}.modal-brand strong{font-size:22px}.modal-close{position:absolute;right:15px;top:13px;border:0;background:transparent;font-size:24px;color:#95a69c}.form-end{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:17px;font-size:11px;color:#9aaa9f}.auth-tabs{display:flex;gap:22px;border-bottom:1px solid var(--edge);margin:25px 0 20px}.auth-tabs button{border:0;border-radius:0;background:transparent;padding:0 0 12px;color:#96a69b;font-size:12px}.auth-tabs button.active{border-bottom:2px solid var(--green);color:var(--green)}.inline-input{display:flex;gap:8px}.inline-input input{min-width:0;flex:1}.inline-input button{white-space:nowrap;font-size:11px}.full-width{width:100%}.checkline{display:flex!important;align-items:flex-start;gap:9px!important;font-size:11px!important;font-weight:400!important;line-height:1.8}.checkline input{width:15px!important;min-width:15px;margin-top:3px}.checkline a{text-decoration:underline}.success-icon{font-size:55px;color:#49866a}.row-title{font-weight:550}.order-id{font-size:10px;color:#96aa9f}.table-actions{display:flex;gap:6px;flex-wrap:wrap}.subscription{border-top:3px solid #679a7c}.empty h3{color:#496d59}.empty .button{margin-top:14px}.modal-brand~p{font-size:12px;color:#90a295}.legal{max-width:850px;padding-bottom:45px}.legal h1{font-size:30px;margin-top:15px}.legal h2{font-size:18px;margin-top:30px}.legal p{font-size:13px;line-height:2;color:#748c7b}.qr-panel{text-align:center;min-height:370px}.qr-panel img{display:block;width:245px;max-width:100%;margin:20px auto}.qr-panel h2{margin-top:15px}.qr-panel p{font-size:12px;color:#8b9d91}
@media(max-width:1000px){.kpi-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.admin-main{padding:0 20px 20px}.admin-top{margin-left:-20px;margin-right:-20px;padding:22px 20px}}@media(max-width:820px){.admin-sidebar{position:static;height:auto;padding:15px}.admin-brand{margin-bottom:10px}.admin-sidebar>small{display:none}.admin-sidebar nav{display:flex;overflow:auto;gap:5px}.admin-sidebar nav a{white-space:nowrap;font-size:11px;padding:10px}.admin-sidebar-foot{display:flex;justify-content:space-between;margin-top:12px;padding:12px 5px 0}.admin-top{padding:20px;margin-bottom:20px}.admin-top h1{font-size:21px}.admin-main .two-col{grid-template-columns:1fr}}@media(max-width:560px){.admin-main{padding:0 13px 20px}.admin-top{margin-left:-13px;margin-right:-13px;padding:17px 13px}.admin-top .user-chip{font-size:9px}.kpi-grid{gap:10px}.kpi strong{font-size:21px}.admin-main .summary-row{font-size:11px}.admin-main .two-col{gap:0}}
/* Direct channel configuration, separate from the customer application. */
.settings-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:22px;align-items:start}.settings-layout>div{min-width:0}.config-status{position:sticky;top:20px}.config-title{display:flex;justify-content:space-between;align-items:start;gap:15px}.config-title p{font-size:12px;line-height:1.9;color:#7f9691;margin:7px 0 0}.config-version{font-size:10px;color:#8ca09c;white-space:nowrap}.config-tabs{display:flex;gap:7px;border-bottom:1px solid #e1e8e2;margin:23px 0}.config-tabs button{background:none;border:0;border-radius:0;padding:12px 10px;font-size:13px;color:#71877c}.config-tabs button[aria-selected=true]{color:#246c53;border-bottom:3px solid #246c53;font-weight:600}.config-box h3{font-size:14px;color:#446c5e;margin:24px 0 17px}.config-box [hidden]{display:none!important}.config-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:17px}.config-field{display:flex;flex-direction:column;gap:9px;min-width:0;margin:0 0 19px;font-size:12px;color:#6a8173}.config-field input{min-width:0}.config-field small{font-size:11px;line-height:1.8;font-weight:400;color:#8a9d90}.config-field>label{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12px}.config-field .config-indicator{font-size:10px;font-weight:400}.config-secret details{font-size:11px}.config-secret details summary{cursor:pointer;color:#39775d;padding:5px 0}.config-secret textarea{font:11px/1.7 ui-monospace,Menlo,monospace;min-height:110px;resize:vertical}.config-secret input[type=file]{padding:12px 9px;background:#f5f8f2;border-style:dashed;font-size:11px}.config-clear{font-size:10px!important;align-self:start;color:#956b53!important;gap:7px!important;margin:0}.config-clear input{margin-top:2px!important}.config-callbacks{margin:25px 0;padding:16px;border:1px solid #e2e8df;border-radius:9px;font-size:12px;color:#577563}.config-callbacks summary{cursor:pointer}.config-callbacks[open] summary{margin-bottom:20px}.config-callback>div{display:flex;gap:8px}.config-callback input{flex:1;font-size:11px}.config-callback .button{padding:6px 10px;font-size:11px}.config-save{border-top:1px solid #e2e8df;margin-top:30px;padding-top:24px}.config-save>label{max-width:360px}.config-save>div{display:flex;justify-content:space-between;align-items:center;gap:15px}.config-save>div>span{font-size:11px;color:#8b9c8e}.config-check{display:flex;width:100%;background:transparent;border:0;border-radius:0;text-align:left;justify-content:space-between;gap:15px;font-size:12px;padding:12px 0}.config-check strong{font-size:11px;white-space:nowrap}.config-check:hover{background:#f4f8f1}.config-readiness{display:grid;gap:10px;margin:22px 0}.config-readiness>span{display:flex;justify-content:space-between;padding:11px 13px;background:#f3f7f1;border-radius:7px;font-size:12px}.config-field:focus-within>label,.config-field:focus-within>span{color:#246c53}.config-tabs button:focus-visible,.config-check:focus-visible{outline:2px solid #6a9f84;outline-offset:2px}.config-status .fine-print{font-size:11px;line-height:1.9}
@media(max-width:1150px){.settings-layout{grid-template-columns:minmax(0,1fr) 270px}.config-grid{grid-template-columns:1fr}}@media(max-width:900px){.settings-layout{grid-template-columns:1fr}.config-status{position:static;grid-row:1}.config-status .config-check{padding:9px 0}.config-status{display:block}.config-save>div{align-items:start;flex-direction:column}.config-save .button{width:100%}.config-tabs button{font-size:12px;padding:10px 7px}.config-title{display:block}.config-version{display:none}}

.config-feedback{padding:16px 18px;border-radius:9px;font-size:14px;line-height:1.8;border:1px solid;margin:15px 0}.config-feedback.failure{background:#fff1ed;border-color:#e7b3a2;color:#9c3828}.config-feedback.success{background:#eaf7ee;border-color:#9eccb0;color:#235e42}.config-save{position:sticky;bottom:0;z-index:3;background:#fff;box-shadow:0 -8px 16px #fff;padding:16px 0 8px}.config-save .form-error:not(:empty){background:#fff1ed;padding:12px;border-radius:6px;font-size:13px;color:#9c3828}.config-save>div{flex-wrap:wrap}.config-save>div>span{flex:1 0 100%}.config-box [aria-invalid=true]{border:2px solid #bd4c36}.config-save>label{font-weight:600}.config-save button:disabled{opacity:.65;cursor:wait}
.config-save .form-error[data-state=success]{background:#eaf7ee;color:#235e42}

.config-issues{padding:14px 18px;border:1px solid #e8d2a4;border-radius:8px;background:#fff9eb;color:#876125;font-size:12px;line-height:1.8;margin:16px 0}.config-issues p{margin:7px 0}.config-issues strong{font-size:13px}
}