html{scroll-behavior:smooth}body{background:#f7f9fb;color:#172034}a{text-decoration:none;color:inherit}button{cursor:pointer}.site-head{max-width:none;padding:19px max(24px,calc((100vw - 1200px)/2));position:sticky;top:0;z-index:8;background:#ffffffee;backdrop-filter:blur(8px);display:flex;flex-wrap:nowrap;align-items:center;justify-content:space-between;gap:20px}.brand-home{display:flex;align-items:center;gap:10px;font-size:23px;font-weight:800;white-space:nowrap}.brand-home small{font-size:10px;font-weight:650;color:#8592a4;letter-spacing:2px;display:block}.logo{width:38px;height:38px;display:grid;place-items:center;background:#127f65;color:#fff;border-radius:12px;font-size:23px}.topnav{display:flex;align-items:center;gap:30px;font-size:14px;font-weight:600;color:#657181}.topnav .chosen{color:#04785c}.account{position:relative}.avatar-btn{border:1px solid #e4e8ef;border-radius:26px;background:#fff;padding:10px 13px;color:#2e3a4c;font-weight:500}.account-menu{position:absolute;top:50px;right:0;width:330px;background:white;border-radius:16px;border:1px solid #e3e7ed;box-shadow:0 16px 50px #25385224;padding:16px;z-index:10}.identity{padding:8px 9px 16px;border-bottom:1px solid #e9edf3}.identity small{display:block;color:#8593a3;margin-top:5px}.menu-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px;padding:12px 0}.menu-grid button{padding:13px 7px;border:0;background:#fff;text-align:left;border-radius:9px;color:#2a374b;font-weight:500}.menu-grid button:hover{background:#f1f5f8}.menu-note{border-top:1px solid #e9edf3;padding:14px 6px 3px;color:#8e98a6;font-size:12px}.home-main{max-width:1240px;margin:auto;padding:0 24px}.hero{display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:center;padding:72px 0 42px}.eyebrow{letter-spacing:2px;font-size:12px;font-weight:800;color:#078b6a;margin-bottom:18px}.hero h1{font-size:clamp(34px,4vw,56px);line-height:1.22;letter-spacing:-1px;margin:0 0 20px;font-weight:800}.hero h1 em{font-style:normal;color:#0a8a67}.hero-desc{color:#6c798a;line-height:1.85;max-width:540px;font-size:15px;font-weight:400}.hero-actions{display:flex;gap:11px;flex-wrap:wrap;margin:28px 0}.cta,.secondary-btn{display:inline-flex;padding:13px 23px;border-radius:9px;font-size:14px;font-weight:700;align-items:center}.cta{background:#0c8465;color:white}.secondary-btn{border:1px solid #d6e0e7;background:#fff}.minor{font-size:12px;color:#99a2ae}.hero-preview{background:white;border:1px solid #e2e8ef;border-radius:17px;padding:21px;box-shadow:0 24px 70px #22465e18;transform:rotate(1deg)}.window-bar{display:flex;justify-content:space-between;border-bottom:1px solid #e6edf2;padding-bottom:16px;font-size:12px;color:#8995a5}.window-bar span:first-child{color:#bfcbd5;letter-spacing:4px}.mini-post{display:flex;align-items:center;gap:9px;margin-top:20px}.mini-avatar{background:#e3f3e9;color:#18816b;width:40px;height:40px;display:grid;place-items:center;border-radius:50%;font-weight:800}.mini-post small{display:block;color:#91a0ad;font-size:11px;margin-top:4px}.mini-content{background:#f3f8fa;border-radius:11px;padding:17px;margin:15px 0;line-height:1.6}.mini-content p{font-size:13px;color:#5e6b79;margin-bottom:0}.mini-question{display:grid;gap:10px;font-size:13px}.mini-question span{border:1px solid #e1e8ee;border-radius:8px;padding:10px}.mini-bottom{color:#15846a;border-top:1px solid #eef2f5;margin-top:18px;padding-top:12px;font-size:12px}.member-strip{display:flex;align-items:center;justify-content:space-between;gap:18px;background:#fff;border:1px solid #e4e9ef;border-radius:18px;padding:26px 28px;margin-bottom:24px}.member-strip h3{margin:0 0 8px;font-size:24px}.member-strip p{margin:0;color:#728090;line-height:1.8;font-size:14px}.member-price{display:flex;gap:14px;flex-wrap:wrap}.scheme{background:#f2fbf6;border:1px solid #d6efe0;border-radius:16px;padding:16px 18px;min-width:160px}.scheme.alt{background:#fbfbfc;border-color:#eceff3}.scheme .tag{display:inline-block;font-size:11px;color:#1f8b66;background:#fff;border:1px solid #cde6d7;border-radius:999px;padding:4px 8px;margin-bottom:10px}.scheme strong{font-size:28px;font-weight:700;margin-right:2px}.scheme small{color:#7d8897}.daily-quote{background:#e6f4ec;border-radius:20px;padding:36px 40px;margin:0 0 54px}.quote-head{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}.quote-date{font-size:13px;color:#5f786e;background:#fff;border:1px solid #d7e7de;padding:7px 11px;border-radius:20px}blockquote{margin:10px 0 10px;font-size:30px;line-height:1.5;font-weight:700;letter-spacing:-.3px;max-width:900px}.quote-source{font-size:15px;color:#4a6c61;margin:0 0 10px}.quote-note{font-size:13px;color:#6f847e;margin:0}.section-title{display:flex;align-items:end;justify-content:space-between;gap:15px}.section-title h2,.why h2{font-size:30px;margin:0 0 11px}.section-title p:not(.eyebrow){color:#778392;font-size:14px;line-height:1.8}.counter{background:#eaf4ee;color:#338467;padding:7px 13px;border-radius:20px;font-size:12px}.filter-row{display:flex;gap:8px;flex-wrap:wrap;margin:30px 0 19px}.filter-row button{border:1px solid #dce3eb;background:white;padding:9px 18px;border-radius:26px;color:#657182;font-weight:500}.filter-row .selected{background:#133a34;color:white;border-color:#133a34}.course-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}.course-card{position:relative;background:white;border:1px solid #e3e8ee;padding:22px;border-radius:15px;min-height:330px;display:flex;flex-direction:column}.course-card[hidden]{display:none}.card-icon{display:grid;place-items:center;width:46px;height:46px;border-radius:13px;font-size:22px;margin-bottom:18px}.blue-bg{background:#e7effe;color:#3d70ce}.lilac-bg{background:#f3eafc;color:#8c5ebb}.peach-bg{background:#fff0e5;color:#d6814a}.mint-bg{background:#e6f9f0;color:#18865c}.lemon-bg{background:#fff8d8;color:#b98f0f}.status{position:absolute;right:20px;top:23px;font-size:11px;padding:5px 8px;border-radius:5px;font-weight:600}.live{color:#16865c;background:#e5f7eb}.soon{background:#f2f4f6;color:#818b99}.pill{display:inline-block;width:max-content;font-size:11px;padding:4px 9px;border:1px solid #e2e6eb;border-radius:999px;color:#738092;margin-bottom:12px}.course-card h3{font-size:17px;font-weight:700;margin:0 0 10px}.course-card p{font-size:13px;color:#778493;line-height:1.75;margin:0;font-weight:400}.features{color:#617285;font-size:12px;margin-top:14px}.price-line{display:flex;align-items:baseline;gap:8px;margin-top:18px}.old-price{font-size:20px;color:#97a2ae;text-decoration:line-through;font-weight:500}.new-price{font-size:31px;color:#131b24;font-weight:700;letter-spacing:-.5px}.price-note{font-size:12px;color:#97a2ae}.card-foot{margin-top:auto;padding-top:18px;display:flex;align-items:end;justify-content:space-between;gap:10px}.card-link,.buy-btn{display:inline-flex;justify-content:center;align-items:center;border-radius:10px;font-size:14px;padding:11px 18px;min-width:96px;font-weight:650}.card-link{background:#111e2c;color:#fff}.card-link.light{background:#fff;color:#172034;border:1px solid #d7dde4}.card-link.disabled{opacity:.55}.buy-btn{border:0;background:#111;color:#fff}.buy-btn:disabled{background:#eef1f3;color:#a7afb8}.why{padding:86px 0}.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:32px}.why-grid>div{background:#fff;border-radius:14px;padding:26px;border:1px solid #e5e9ef}.why-grid b{color:#1a6958}.why-grid p{line-height:1.9;font-size:13px;color:#768393}footer{text-align:center;padding:35px 20px;color:#939ca7;font-size:12px;border-top:1px solid #e4e8ee}.modal-backdrop{position:fixed;inset:0;background:#0c233b80;display:grid;place-items:center;z-index:20;padding:18px}.modal-backdrop.hidden{display:none}.info-modal{position:relative;max-width:480px;width:100%;border-radius:16px;padding:30px;background:white;box-shadow:0 15px 50px #14203030}.info-modal h2{margin:0 0 17px}.info-modal p{line-height:1.9;color:#647182}.info-modal button#closePanel{position:absolute;right:16px;top:10px;font-size:28px;background:transparent;border:0;color:#667}.info-modal a{color:#057b61;font-weight:700}@media(max-width:980px){.hero{grid-template-columns:1fr;padding:45px 0 26px}.hero-preview{transform:none;max-width:600px}.course-grid{grid-template-columns:repeat(2,1fr)}.topnav{gap:13px}.topnav a{font-size:12px}.member-strip{flex-direction:column;align-items:flex-start}}@media(max-width:620px){.site-head{gap:10px;padding:13px 14px}.topnav{display:none}.home-main{padding:0 16px}.hero{gap:18px}.hero h1{font-size:34px}.hero-preview{padding:14px}.course-grid,.why-grid{grid-template-columns:1fr}.section-title{display:block}.account-menu{width:min(330px,calc(100vw - 24px));right:-3px}.avatar-btn span{display:none}.why{padding:65px 0}.section-title h2{font-size:27px}.member-strip{padding:22px 18px}.daily-quote{padding:28px 20px}.scheme{min-width:140px}blockquote{font-size:23px}.quote-head{align-items:flex-start}}
/* JIGUO V2.2 refined desktop/mobile layout */
.home-main{max-width:1160px}.hero{padding:46px 0 32px;gap:40px;grid-template-columns:1.08fr .92fr}.hero h1{font-size:clamp(29px,3vw,43px);line-height:1.34;font-weight:680;letter-spacing:-.5px}.hero-desc{font-size:13px;line-height:1.85;max-width:480px}.hero-preview{transform:none;box-shadow:0 12px 34px #22465e0d;padding:16px}.eyebrow{font-size:10px;margin-bottom:11px;font-weight:650}.section-title h2,.why h2{font-size:24px;letter-spacing:-.4px;font-weight:680}.section-title p:not(.eyebrow){margin:4px 0;font-size:12px}.course-grid{gap:12px}.course-card{padding:17px 18px;border-radius:12px;min-height:260px}.course-card h3{font-size:15px;font-weight:630;margin:0 0 7px}.course-card p{font-size:12px;line-height:1.65}.course-card .pill{font-size:10px;margin:0 0 14px;padding:3px 8px}.status{right:16px;top:17px;font-weight:500;font-size:10px}.features{margin-top:9px;font-size:11px}.price-line{margin-top:13px;gap:8px}.old-price{font-size:14px;font-weight:400;color:#9aa3af}.new-price{font-size:23px;font-weight:590;letter-spacing:-.4px}.card-foot{padding-top:13px}.card-link,.buy-btn{font-size:12px;font-weight:550;padding:9px 12px;min-width:86px}.buy-btn:disabled{background:#f0f2f5;color:#85909c}.filter-row{margin:20px 0 14px}.filter-row button{padding:7px 14px;font-size:12px}.why{padding:45px 0 34px}.why-grid{gap:12px;margin-top:19px}.why-grid>div{padding:18px}.why-grid p{font-size:12px;line-height:1.7}.daily-quote{margin:10px 0 34px;padding:22px 27px;background:#eef6f1;border-radius:14px}.daily-quote blockquote{font-size:20px;font-weight:520;margin:10px 0}.quote-source,.quote-date{font-size:11px}.topnav{font-weight:500}footer{font-size:11px;padding:24px 12px}.counter{font-size:11px}
@media(max-width:900px){.hero{grid-template-columns:1fr;padding:35px 0 25px}}
@media(max-width:620px){.hero h1{font-size:30px}.course-card{min-height:230px}.daily-quote{padding:22px 18px}.daily-quote blockquote{font-size:17px}.home-main{padding:0 15px}}
.auth-form{display:grid;gap:16px}.auth-form label{display:grid;gap:7px;font-size:13px;font-weight:600;color:#364152}.auth-form input{width:100%;box-sizing:border-box;border:1px solid #d9e1e8;border-radius:9px;padding:12px 13px;font-size:16px;background:white;color:#1c2833}.auth-code{display:grid;grid-template-columns:1fr auto;gap:10px;align-items:end}.auth-code>button{border:1px solid #c8e5dc;background:#f1fbf8;color:#08765a;border-radius:9px;padding:13px 12px;white-space:nowrap}.auth-code>button:disabled{opacity:.65}.auth-primary{background:#0b8567;color:white;border:0;border-radius:9px;padding:12px;font-size:15px;font-weight:600}.auth-form small{color:#83909b;line-height:1.7}.auth-form #authMessage{font-size:13px;line-height:1.6}
/* V2.4 homepage visual refinement */
.hero{grid-template-columns:1.12fr .88fr;align-items:center;gap:34px;padding:42px 0 28px}
.hero-copy{max-width:560px}
.hero-desc{max-width:460px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;list-style:none;padding:0;margin:8px 0 0}
.hero-points li{font-size:12px;color:#5f6d7c;background:#fff;border:1px solid #e4e9ef;border-radius:999px;padding:8px 12px}
.hero-preview-wrap{display:flex;justify-content:flex-end;padding-right:10px}
.hero-preview{width:min(100%,380px);padding:14px 14px 12px;border-radius:18px;transform:rotate(-3.2deg);transform-origin:center;position:relative}
.hero-preview::before{content:"";position:absolute;inset:-10px 18px 18px -10px;border-radius:22px;background:linear-gradient(135deg,#eaf6f1,#f5fbf8);z-index:-1;transform:rotate(4deg)}
.window-bar{padding-bottom:12px}
.mini-post{margin-top:14px}.mini-content{padding:14px;margin:12px 0}.mini-question{gap:8px}.mini-question span{padding:8px 10px;font-size:12px}.mini-bottom{margin-top:14px;padding-top:10px}
.section-title p:not(.eyebrow){max-width:420px}
.course-card{min-height:292px;padding:18px 18px 16px}
.card-top{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;margin-bottom:12px}
.card-icon{margin:0;width:42px;height:42px;font-size:20px;border-radius:12px}
.sky-bg{background:#e8f2ff;color:#4677cd}.rose-bg{background:#fdeff4;color:#c45b80}
.status{position:static;align-self:flex-start;margin-top:2px}
.pill{margin-bottom:10px}
.course-card h3{font-size:15px;line-height:1.45}
.features{margin-top:10px}
.price-line{margin-top:12px;gap:6px;align-items:end}
.old-price{font-size:13px}.new-price{font-size:19px;font-weight:620}.price-note{font-size:11px}
.card-foot{padding-top:12px}
.why{padding:40px 0 30px}
.daily-quote{margin:6px 0 30px}
footer{color:#8c96a2}
@media(max-width:980px){.hero-preview-wrap{justify-content:flex-start;padding-right:0}.hero-preview{transform:none}.hero-preview::before{display:none}.hero-points{margin-top:10px}}
@media(max-width:620px){.hero-points{gap:8px}.hero-points li{font-size:11px;padding:7px 10px}.hero-preview{width:100%}.new-price{font-size:18px}}
.auth-retry{border:1px solid #b4d7cd;background:#f1faf6;color:#08775a;border-radius:9px;padding:10px 14px;font-size:13px;}
/* JIGUO Native 支付测试弹窗 */
.purchase-backdrop{position:fixed;inset:0;z-index:5000;background:rgba(12,24,38,.55);display:flex;align-items:center;justify-content:center;padding:18px}.purchase-backdrop.hidden{display:none}.purchase-modal{width:min(460px,100%);background:#fff;color:#172033;border-radius:20px;padding:28px;position:relative;box-shadow:0 20px 70px #10182833}.purchase-modal h2{font-size:22px;margin:0 28px 16px 0}.purchase-modal p{margin:12px 0}.purchase-modal strong{color:#087d66;font-size:28px}.purchase-hint{color:#64748b;font-size:14px;line-height:1.65}.purchase-close{position:absolute;right:18px;top:12px;background:transparent;border:0;font-size:30px;cursor:pointer;color:#475569}.purchase-action{background:#078569;color:white;border:none;padding:13px 20px;border-radius:10px;cursor:pointer;font-weight:700;width:100%;margin-top:12px}.purchase-action:disabled{opacity:.6}.purchase-qr{margin-top:16px;word-break:break-all}#purchaseMessage{font-size:14px;color:#a34117;line-height:1.7;margin-top:10px}
/* V3.1 smaller text in account and profile surfaces */
.info-modal{max-width:540px;padding:24px}.info-modal h2{font-size:20px;line-height:1.4}.account-menu{font-size:13px}.account-menu .identity strong{font-size:14px}.account-menu .menu-grid button{font-size:13px;padding:11px 8px}.auth-form{gap:12px}.auth-form label{font-size:13px}.auth-form input{font-size:14px;padding:11px}.auth-primary{font-size:14px}.purchase-modal h2{font-size:19px}.purchase-modal strong{font-size:22px}@media(max-width:620px){.info-modal{padding:22px 17px}}
/* 6代统一体验：手机号登录框保持紧凑，防止首页个人中心大弹窗样式覆盖 */
#panelBackdrop:has(.auth-form) .info-modal{width:min(420px,calc(100vw - 32px))!important;max-width:420px!important;padding:28px!important;max-height:min(90vh,680px);overflow-y:auto;border-radius:20px}
#panelBackdrop:has(.auth-form) #panelContent{max-height:none;overflow:visible}
#panelBackdrop:has(.auth-form) #panelTitle{position:static!important;width:auto!important;height:auto!important;clip-path:none!important;font-size:22px;margin:0 0 18px}
#panelBackdrop:has(.auth-form) .auth-form{display:grid;gap:16px}
#panelBackdrop:has(.auth-form) .auth-form input{width:100%;min-width:0;max-width:100%}
#panelBackdrop:has(.auth-form) .auth-code{grid-template-columns:minmax(0,1fr) auto;align-items:end}
#panelBackdrop:has(.auth-form) .auth-code button{white-space:nowrap}
@media(max-width:480px){#panelBackdrop:has(.auth-form) .info-modal{padding:22px 18px!important}}