:root{--bg:#f2f6f0;--paper:#fff;--ink:#173f34;--muted:#65766a;--line:#dce6d9;--accent:#236b52;--soft:#e4efdf;--green:#397453}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Noto Sans CJK SC","Microsoft YaHei",sans-serif;font-size:14px;line-height:1.7;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}a:hover{color:var(--accent)}button,input,textarea{font:inherit}button{cursor:pointer}img{display:block;max-width:100%;object-fit:cover}h1,h2,h3,p{margin-top:0}h1{font-size:30px;line-height:1.35;letter-spacing:-.5px}h2{font-size:21px;line-height:1.5}h3{font-size:17px;line-height:1.55}p{margin-bottom:16px}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #80a76a;outline-offset:3px}.wrap{width:min(1080px,calc(100% - 48px));margin-inline:auto}.site-header{background:rgba(252,255,250,.97);border-bottom:1px solid var(--line);position:relative;z-index:10}.header-inner{height:84px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:11px;white-space:nowrap}.brand b{display:block;font-size:19px;line-height:1.4;letter-spacing:1px}.brand small{display:block;font-size:11px;color:var(--muted);letter-spacing:2px}.top-nav{display:flex;gap:30px;font-size:13px;align-items:center}.user-link{background:#e6eddf;padding:9px 15px;border-radius:24px}.main-wrap{min-height:55vh;padding-top:28px;padding-bottom:20px}.hero{display:grid;grid-template-columns:1fr 1fr;background:#dfebd9;border:1px solid #cbdcc3;min-height:340px;overflow:hidden;border-radius:16px}.hero-copy{padding:42px 40px;align-self:center}.eyebrow{font-size:10px;font-weight:650;letter-spacing:1.6px;color:var(--accent)}.hero h1{font-size:41px;line-height:1.35;margin:18px 0 18px;font-weight:650}.hero p{font-size:13px;color:#65766a;line-height:1.9}.hero-image{height:100%;width:100%;max-height:400px;object-position:center 60%}.button{display:inline-flex;align-items:center;justify-content:center;gap:14px;background:var(--accent);color:white;border:1px solid var(--accent);border-radius:7px;padding:12px 20px;font-size:13px;font-weight:550;line-height:1.5;min-height:44px;text-align:center}.button:hover{background:#194d3b;color:white}.button.secondary{background:transparent;color:var(--ink);border-color:#d0ddca}.button.secondary:hover{background:#edf3e7}.button:disabled{cursor:not-allowed;background:#d8d5cd;border-color:#d8d5cd;color:#66695f}.wide{width:100%}.feature-row{display:flex;justify-content:center;gap:75px;font-size:11px;color:var(--muted);padding:20px 0;border-bottom:1px solid var(--line)}.feature-row span:before{content:'✓';color:var(--accent);margin-right:8px}.catalog-section{padding-top:34px}.section-head{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:22px}.section-head h1,.section-head h2{margin:7px 0 0}.section-head p{margin:9px 0 0}.count{font-size:12px;color:var(--muted);white-space:nowrap}.search{display:flex;max-width:450px;margin-bottom:22px}.search input{border:1px solid var(--line);background:#fff;border-radius:7px 0 0 7px;width:100%;padding:10px 14px;margin:0}.search button{border:1px solid var(--line);border-left:0;border-radius:0 7px 7px 0;background:#e8efe1;min-width:66px;color:var(--ink)}.category-tabs{display:flex;gap:9px;overflow:auto;scrollbar-width:thin;padding:2px 1px 17px;margin-bottom:9px;scroll-margin-top:24px}.category-tabs a{white-space:nowrap;padding:8px 17px;background:#e6eddf;border:1px solid transparent;border-radius:22px;font-size:12px}.category-tabs a[aria-current]{background:var(--ink);color:white}.product-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.product-card{min-width:0;background:white;border:1px solid var(--line);border-radius:11px;overflow:hidden}.cover{display:block;position:relative;background:#e4ecde;overflow:hidden}.cover img{width:100%;height:215px;object-position:center 58%}.cover>span{position:absolute;bottom:12px;left:13px;background:rgba(255,253,249,.93);padding:3px 10px;border-radius:4px;font-size:10px;color:#405846}.card-body{padding:20px}.card-kicker{font-size:10px;letter-spacing:.4px;color:#6f8274;margin:0 0 8px}.card-body h3{margin-bottom:10px;font-weight:600}.card-body h2{font-size:17px}.card-summary{font-size:12px;color:var(--muted);min-height:42px;margin-bottom:17px;line-height:1.8}.card-bottom{display:flex;align-items:center;justify-content:space-between;gap:10px}.price{color:var(--accent);font-size:23px;font-weight:650;line-height:1.35;font-variant-numeric:tabular-nums}.price small{font-size:13px;margin-right:3px}.card-bottom>span{font-size:10px;color:var(--muted)}.card-bottom i{font-style:normal;font-size:15px;margin-left:10px}.pagination{display:flex;align-items:center;justify-content:center;gap:26px;padding:30px 0 15px;font-size:13px}.pagination a{padding:9px 15px;border:1px solid var(--line);border-radius:6px;background:#fff}.disabled{color:#81917f}.small-note{background:#e7efe1;color:#627461;font-size:12px;line-height:1.9;padding:17px 20px;border-radius:8px;margin-top:28px}.site-footer{display:grid;grid-template-columns:1fr auto;gap:20px;padding:35px 0 30px;margin-top:25px;border-top:1px solid var(--line);color:var(--muted);font-size:11px}.site-footer strong{color:var(--ink);font-size:14px}.site-footer p{margin:6px 0 0}.site-footer small{grid-column:1/-1;font-size:10px}.footer-links{display:flex;gap:18px;flex-wrap:wrap;align-content:flex-start}.bottom-nav{display:none}.muted{color:var(--muted)}.small{font-size:12px}.center{text-align:center}.badge{display:inline-block;background:var(--soft);color:var(--accent);font-size:11px;border-radius:4px;padding:3px 9px}.badge.paid{background:#e6eee4;color:#397453}.badge.cancelled{background:#ecece7;color:#777a6f}.back-link{display:inline-block;color:var(--muted);font-size:12px;margin:0 0 23px}.product-detail{display:grid;grid-template-columns:1fr 1fr;gap:38px;align-items:start}.detail-image img{width:100%;aspect-ratio:1;object-fit:cover;border-radius:12px}.detail-copy{padding:10px 0}.detail-copy h1{margin:17px 0;font-size:30px}.lead{color:var(--muted);font-size:15px;line-height:1.9}.detail-price{font-size:35px;margin:20px 0}.detail-price>span{font-size:11px;font-weight:400;color:var(--muted);margin-left:14px}.compact-list{padding-left:19px;color:var(--muted);font-size:13px;line-height:2.1;margin:0 0 24px}.check{display:flex!important;align-items:flex-start;gap:7px;line-height:1.7;font-size:12px!important;font-weight:400!important;color:var(--muted);margin:20px 0!important}.check input{width:16px!important;height:16px!important;flex-shrink:0;margin:3px 2px 0 0!important;accent-color:var(--accent)}.check a,.inline-link,.auth-switch a,.reader a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}.detail-sections{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:35px;align-items:start}.panel{background:white;border:1px solid var(--line);padding:29px;border-radius:12px;margin-bottom:22px}.panel h2{margin-top:25px;margin-bottom:15px}.panel h2:first-child{margin-top:0}.deliverables{list-style:none;padding:0;margin:0}.deliverables li{padding:13px 0;border-bottom:1px solid var(--line)}.deliverables li:last-child{border-bottom:0}.deliverables b{display:block;font-size:13px}.deliverables span{font-size:12px;color:var(--muted)}.chapter-list{list-style:none;padding:0;margin:0}.chapter-list li{display:flex;gap:15px;padding:12px 0;border-bottom:1px solid var(--line);font-size:13px}.chapter-list li span{color:#4e825f;font:12px/2 ui-monospace,monospace}.preview{background:#f2f6f0;border-left:3px solid #84a877;padding:18px;margin:0;font-size:13px;line-height:1.95}.preview p{margin:10px 0 0;color:var(--muted)}.auth-box{max-width:430px;margin:25px auto 40px;padding:34px}.auth-box h1{font-size:27px;margin:15px 0}.auth-box>p{font-size:13px}form label{display:block;font-size:12px;font-weight:550;margin:17px 0 7px}input:not([type=checkbox]):not([type=hidden]),textarea{width:100%;background:#fff;border:1px solid #d5e2ce;border-radius:6px;padding:11px 12px;color:var(--ink);min-width:0}textarea{resize:vertical;min-height:100px;margin-bottom:16px}form>.button{margin-top:22px}.auth-switch{text-align:center;margin:24px 0 18px}.notice{padding:14px 18px;background:#f5ead8;border:1px solid #ebd7b7;border-radius:7px;margin:0 0 22px;font-size:13px}.notice.error{background:#f9e9e4;border-color:#ebc7bb;color:#923d27}.notice.success{background:#e8f0e5;border-color:#d0dec9;color:#456741}.narrow{max-width:660px;margin:0 auto}.steps{display:flex;justify-content:space-between;font-size:12px;padding:0 0 22px;color:#8c8c82}.steps b{font-weight:450}.steps .active{color:var(--accent);font-weight:650}.checkout h1{margin:16px 0 10px;font-size:27px}.checkout-amount{font-size:43px;margin:22px 0 28px}.order-product{display:flex;align-items:center;gap:18px;padding:22px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.order-product img{flex:0 0 78px;width:78px;height:78px;border-radius:6px}.order-product h2{font-size:17px;margin:0 0 7px}.order-product p{font-size:12px;margin:0;color:var(--muted)}.order-meta{margin:22px 0}.order-meta>div{display:flex;justify-content:space-between;gap:20px;margin:12px 0;font-size:12px}.order-meta dt{color:var(--muted);flex-shrink:0}.order-meta dd{margin:0;text-align:right;overflow-wrap:anywhere}.payment-method{padding:17px;background:#eef4e8;border:1px solid var(--line);border-radius:7px;margin:20px 0 0}.payment-method>div{display:flex;align-items:center;justify-content:space-between}.payment-method p{font-size:12px;color:var(--muted);margin:10px 0 0}.pill{font-size:10px;background:#dfe9d8;color:#63795e;border-radius:20px;padding:2px 9px}.checkout form+p{margin-top:17px}.link-button{background:transparent;border:0;text-decoration:underline;text-underline-offset:4px;color:var(--muted);font-size:12px;padding:8px}.account-head{display:flex;justify-content:space-between;align-items:center;gap:18px}.account-head h1{margin:13px 0 8px}.account-head p{margin-bottom:0}.account-links{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:30px}.account-links a{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;border:1px solid var(--line);border-radius:9px;background:#e6eddf;font-size:13px}.order-row{display:flex;align-items:center;justify-content:space-between;gap:24px}.order-row h3{margin:12px 0 8px}.order-row p{margin:0;overflow-wrap:anywhere}.order-row-action{display:flex;flex-direction:column;align-items:flex-end;gap:12px;flex-shrink:0}.empty{text-align:center;padding:65px 24px}.empty h1{font-size:24px}.empty h2{font-size:22px}.empty p{color:var(--muted);font-size:13px}.empty-mark{font-size:42px;color:#83a776;display:block;margin-bottom:20px}.text-link{display:block;margin-top:20px;font-size:12px;color:var(--accent)}.delivery-success{display:flex;align-items:center;gap:17px;margin-bottom:25px}.delivery-success>span{width:45px;height:45px;border-radius:50%;background:#e4f0dc;color:var(--green);text-align:center;font-size:25px;line-height:45px;flex-shrink:0}.delivery-success h1{font-size:27px;margin:0 0 5px}.delivery-success p{font-size:12px;color:var(--muted);margin:0}.delivery-actions{display:grid;gap:12px;margin:23px 0 28px}.reader{max-width:820px;margin:0 auto 25px;padding:40px;line-height:2}.reader h1{margin:20px 0;font-size:30px}.reader h2{margin:30px 0 15px;font-size:22px}.reader p{line-height:2.05}.reader section{margin:36px 0}.reader-toc{padding:20px 24px;background:#edf4e8;border-radius:8px;margin:30px 0}.reader-toc a{display:block;font-size:13px;text-decoration:none;margin-top:5px}.table-scroll{overflow-x:auto}table{border-collapse:collapse;min-width:540px;width:100%;font-size:12px}td,th{padding:11px;border:1px solid var(--line);text-align:left;vertical-align:top}th{background:#edf4e8}.ticket p{overflow-wrap:anywhere}.preserve-lines{white-space:pre-wrap}.reply{background:#ecf5e6;padding:17px;border-radius:6px}.reply p{margin:8px 0}.reply small{color:var(--muted)}.manage-order input{max-width:580px}.manage-order .section-head{margin-bottom:5px}.skip{position:absolute;left:15px;top:-100px;background:var(--ink);color:white;padding:12px;z-index:100}.skip:focus{top:10px}.sr-only{position:absolute;width:1px;height:1px;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
@media(max-width:800px){.wrap{width:calc(100% - 36px)}.top-nav{gap:17px}.hero-copy{padding:30px}.hero h1{font-size:33px}.hero-image{min-height:320px}.product-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.cover img{height:210px}.detail-copy h1{font-size:25px}.product-detail{gap:24px}.detail-sections{gap:16px}.panel{padding:24px}.feature-row{gap:35px}.footer-links{gap:13px}.reader{padding:30px}}
@media(max-width:600px){html{scroll-padding-top:22px}body{padding-bottom:73px;font-size:13px}.wrap{width:calc(100% - 32px)}.header-inner{height:72px;gap:10px}.brand{gap:8px}.brand img{width:30px;height:30px}.brand b{font-size:16px;letter-spacing:.5px}.brand small{font-size:9px;letter-spacing:1.5px}.top-nav>a:not(.user-link){display:none}.user-link{font-size:10px;padding:7px 10px}.main-wrap{padding-top:18px}.hero{grid-template-columns:1.15fr 1fr;min-height:235px;border-radius:10px;position:relative}.hero-copy{padding:24px 15px;position:relative;z-index:1}.hero .eyebrow{font-size:7px;letter-spacing:.8px;white-space:nowrap}.hero h1{font-size:27px;line-height:1.35;margin:13px 0 12px;letter-spacing:-.7px}.hero p{font-size:10px;line-height:1.8;margin-bottom:16px}.hero p br{display:none}.hero .button{font-size:10px;padding:9px 11px;min-height:35px;gap:7px}.hero-image{min-height:100%;height:100%;max-height:none;object-position:51% center}.feature-row{gap:0;justify-content:space-between;font-size:9px;padding:15px 2px}.feature-row span:before{margin-right:4px}.catalog-section{padding-top:25px}.eyebrow{font-size:9px;letter-spacing:1px}.section-head{gap:10px;margin-bottom:17px}.section-head h1{font-size:24px}.section-head h2{font-size:21px}.count{font-size:10px}.search{margin-bottom:17px;max-width:none}.search input{padding:10px 11px;font-size:12px}.search button{font-size:11px;min-width:57px}.category-tabs{margin:0 -16px 5px;padding:2px 16px 15px;gap:7px;scrollbar-width:none}.category-tabs::-webkit-scrollbar{display:none}.category-tabs a{font-size:11px;padding:7px 13px}.product-grid{gap:12px}.cover img{height:auto;aspect-ratio:1.25;object-position:center 60%}.cover>span{font-size:8px;padding:2px 7px;bottom:8px;left:8px}.card-body{padding:12px}.card-kicker{font-size:8px;margin-bottom:6px}.card-body h3{font-size:13px;line-height:1.6;margin-bottom:8px;min-height:42px}.card-body h2{font-size:14px}.card-summary{font-size:10px;line-height:1.75;min-height:53px;margin-bottom:12px}.card-bottom{gap:4px}.price{font-size:21px}.price small{font-size:11px}.card-bottom>span{font-size:8px}.card-bottom i{margin-left:2px;font-size:11px}.product-card{border-radius:9px}.pagination{gap:15px;font-size:11px;padding:25px 0 10px}.pagination a{padding:8px 12px}.small-note{font-size:10px;padding:13px 14px;margin-top:23px}.site-footer{grid-template-columns:1fr;gap:18px;padding:25px 0 20px;font-size:10px;margin-top:15px}.site-footer strong{font-size:13px}.footer-links{gap:10px 19px}.site-footer small{font-size:9px}.bottom-nav{position:fixed;bottom:0;left:0;right:0;z-index:20;display:flex;justify-content:space-around;border-top:1px solid var(--line);background:rgba(252,255,250,.98);padding:9px 10px calc(8px + env(safe-area-inset-bottom))}.bottom-nav a{display:flex;flex-direction:column;align-items:center;gap:3px;font-size:9px;color:#71816b;min-width:60px}.bottom-nav a[aria-current]{color:var(--accent)}.bottom-nav svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}.back-link{font-size:11px;margin-bottom:18px}.product-detail{grid-template-columns:1fr;gap:16px}.detail-image img{max-height:300px;aspect-ratio:1.4;object-position:center 57%}.detail-copy{padding:0 2px}.detail-copy h1{font-size:25px;margin:14px 0}.lead{font-size:13px}.detail-price{font-size:31px;margin:18px 0}.detail-price>span{font-size:10px}.detail-sections{grid-template-columns:1fr;gap:0;margin-top:25px}.panel{padding:22px 19px;border-radius:10px;margin-bottom:16px}.panel h2{font-size:18px}.panel p{font-size:12px}.check{font-size:11px!important;flex-wrap:wrap;column-gap:5px}.check>span{flex:1;min-width:0}.preview{font-size:12px;padding:15px}.deliverables b{font-size:12px}.deliverables span{font-size:11px}.chapter-list li{font-size:12px}.auth-box{margin:12px auto 30px;padding:28px 22px}.auth-box h1{font-size:25px}.auth-box .small{font-size:10px}.notice{font-size:12px;padding:12px 14px}.steps{font-size:10px;padding-bottom:18px}.checkout h1{font-size:24px}.checkout-amount{font-size:39px}.order-product{gap:14px;padding:18px 0}.order-product img{flex-basis:66px;width:66px;height:66px}.order-product h2{font-size:15px;line-height:1.5}.order-product p{font-size:10px}.order-meta>div{font-size:10px;gap:10px}.payment-method p{font-size:11px}.small{font-size:11px}.account-head{align-items:flex-start;padding:22px 18px}.account-head h1{font-size:23px}.account-head form{flex-shrink:0}.account-head .button{font-size:10px;padding:8px 10px;min-height:35px;margin-top:0}.account-head p{font-size:11px}.account-links{gap:10px;margin-bottom:25px}.account-links a{font-size:11px;padding:14px}.order-row{align-items:flex-start;gap:15px;padding:18px 15px}.order-row h3{font-size:13px}.order-row p{font-size:9px}.order-row-action{gap:15px}.order-row-action .button{font-size:10px;padding:8px 10px;min-height:35px}.order-row-action .price{font-size:18px}.empty{padding:45px 20px}.empty h2{font-size:20px}.empty h1{font-size:22px}.empty p{font-size:12px}.delivery-success{gap:12px}.delivery-success h1{font-size:24px}.delivery-success p{font-size:11px}.reader{padding:25px 20px}.reader h1{font-size:25px}.reader h2{font-size:20px}.reader p{font-size:14px;line-height:2}.reader-toc{padding:16px}.reader-toc a{font-size:12px}.reader section{margin:30px 0}.inline-link{font-size:11px}input:not([type=checkbox]):not([type=hidden]),textarea{font-size:16px}.search input{font-size:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

.headline-phrase{white-space:nowrap}

/* Xiaolu: forest green, sage and soft paper. */
.brand img{width:40px;height:40px}.brand b{letter-spacing:.7px}.brand small{letter-spacing:1px}
.hero{background:#173f34;border-color:#173f34;border-radius:22px;color:#f5f9ef;grid-template-columns:1.08fr 1fr}
.hero .eyebrow{color:#c0db9d}.hero h1{font-weight:650;letter-spacing:.5px}.hero p{color:#d7e5ce}
.hero .button{background:#cfe5aa;border-color:#cfe5aa;color:#173f34;border-radius:24px}.hero .button:hover{background:#dcecbe;color:#173f34}
.hero-image{object-position:center 54%}.product-card{border-radius:15px;transition:border-color .15s ease}.product-card:hover{border-color:#92b284}
.category-tabs a[aria-current]{background:#236b52}.cover>span{color:#28513b}.feature-row{color:#657a5d}
@media(max-width:600px){.brand img{width:34px;height:34px}.hero{grid-template-columns:1.2fr 1fr;border-radius:16px}.hero-copy{padding:27px 15px}.hero h1{font-size:25px;letter-spacing:0}.hero .button{padding-inline:13px}.product-card{border-radius:12px}.site-footer small{line-height:2}}