/* AI续杯 visual identity. Existing browsing and preview-order behavior is retained. */
:root{--ink:#1f1f1f;--muted:#444;--line:#d3e2f0;--teal:#2a4663;--teal-dark:#21374e;--teal-soft:#e4edf6;--paper:#fff;--accent:#bd744c}
body{background:var(--paper);color:var(--ink);font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}button,input{font-family:inherit}.container{width:min(1240px,calc(100% - 72px))}.section-kicker{font-size:10px;letter-spacing:2px;color:#444;font-weight:650}.preview-bar{height:27px;min-height:27px;font-size:10px;background:#dce8f3;color:#222;border:0}.preview-dot{background:#60758a}.site-header{min-height:80px;height:auto;background:#fff;box-shadow:none;border-bottom:1px solid var(--line)}.header-inner{min-height:80px;gap:24px}.brand{gap:11px;min-width:max-content}.brand>img{width:43px;height:43px}.brand>span{font-size:24px;font-weight:750;letter-spacing:-.7px;line-height:1.2}.brand small{font-size:8px;letter-spacing:2.4px;color:#222;margin-top:6px}.site-header nav{gap:6px;flex:1;justify-content:center}.site-header nav a,.site-header nav button{font-size:12px;font-weight:500;padding:10px 13px;border-radius:7px;color:#222;gap:6px}.site-header nav .active{background:#e3ecf6;color:#222}.site-header nav a:hover{background:#e8f0f7}.site-header nav a svg,.header-help svg{width:16px;height:16px;flex-shrink:0}.header-help{border:1px solid #cadbed;border-radius:8px;background:transparent;color:#222;padding:10px 13px;font-size:11px;gap:7px}.site-header nav .agent-link{border:1px solid #e6d9c7;color:#222;background:#fffcf6;margin-left:10px}.agent-link svg{width:15px;height:15px}
.catalog-layout{grid-template-columns:216px minmax(0,1fr);gap:28px;margin-top:1px;align-items:start;scroll-margin-top:100px}.category-panel{border-radius:14px;border:1px solid #cedeef;box-shadow:0 6px 24px #233a510a;background:#fff;position:sticky;top:103px;overflow:hidden}.category-panel-heading{padding:23px 22px 17px;border-bottom:1px solid #dfeaf4}.category-panel h2{font-size:18px;margin-top:6px;letter-spacing:-.5px}.category-list{padding:12px 9px;gap:5px}.category-button{min-height:49px;padding:9px 11px;border-radius:8px;gap:10px;color:#222;font-size:11px;font-weight:550;border:1px solid transparent}.category-button:hover{background:#ecf2f9}.category-button.active{background:#dce8f3;border-color:#cddeee;color:#222}.category-icon{width:31px;height:31px;border-radius:9px;background:#eaf1f8!important;color:#222}.category-button.active .category-icon{background:#fff!important;color:#222}.category-icon svg{width:18px;height:18px}.category-count{font-size:9px;background:transparent;padding:1px 0;min-width:18px;color:#444}.category-panel-footer{padding:15px 18px;border-top:1px solid #dfeaf4;background:#f6f9fc;color:#444;font-size:9px;gap:6px}.sidebar-note{margin:20px 19px 21px;padding:17px 4px 0;border-top:1px solid #d9e6f2}.sidebar-note img{width:29px;height:29px;opacity:.8;margin-bottom:10px}.sidebar-note h3{font-size:13px;line-height:1.85;font-weight:550;color:#222}.sidebar-note p{font-size:10px;line-height:1.8;color:#222;margin-top:8px}.sidebar-note button{margin-top:13px;font-size:10px;border:0;padding:0;background:transparent;color:#222}
.catalog-heading{min-height:52px;padding:0;align-items:flex-start}.catalog-heading h1{font-size:23px;letter-spacing:-.7px;margin:0}.catalog-heading .section-kicker{display:none}.catalog-heading>span{padding-top:7px;font-size:10px;color:#444}.catalog-caption{font-size:11px;color:#222;margin:9px 0 0}.catalog-toolbar{margin:16px 0 18px;min-height:38px;gap:15px;display:flex;justify-content:space-between}.catalog-search{display:flex;gap:9px;width:280px;max-width:50%}.search-field{background:#fff;border:1px solid #cedeef;border-radius:8px;padding:9px 12px;gap:9px;flex:1;min-width:0}.search-field svg{width:14px;height:14px;color:#444}.search-field input{font-size:10px;min-width:0;width:100%;color:#222}.search-field input::placeholder{color:#444}.share-button{border:1px solid #cedeef;border-radius:8px;background:#fff;color:#222;display:grid;place-items:center;padding:8px;min-width:35px}.share-button>span{margin:0;font-size:17px}
.product-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:17px}.product-card{border:1px solid #cedeef;border-radius:13px;overflow:hidden;box-shadow:0 5px 14px #20344a08;background:#fff;}.product-card:hover{box-shadow:0 12px 26px #22384e14;border-color:#a6b5c4}.product-cover{height:169px;position:relative;border:0;display:block;width:100%;padding:25px 22px;text-align:left;isolation:isolate;overflow:hidden;background:#d9e6f2;color:#222}.product-cover::before{content:"";position:absolute;width:184px;height:184px;border:1px solid currentColor;border-radius:50%;right:-62px;bottom:-86px;opacity:.15;z-index:-1;box-shadow:0 0 0 22px #ffffff30,0 0 0 45px #ffffff20}.product-cover::after{content:"+";position:absolute;right:73px;top:64px;font-size:68px;font-weight:200;line-height:1;opacity:.11;transform:rotate(12deg)}.theme-pro .product-cover{background:#f0e7d7;color:#222}.theme-max .product-cover{background:#233b53;color:#fff}.product-cover-word{font-size:11px;font-weight:500;letter-spacing:.3px;line-height:1.5;display:block}.product-cover-word strong{display:block;font-size:35px;letter-spacing:-1.5px;font-weight:650;line-height:1.25;margin-top:5px}.product-cover-caption{display:block;font-size:8px;letter-spacing:1.4px;margin-top:16px;opacity:.65}.product-cover-logo{position:absolute;right:20px;bottom:20px;width:38px;height:38px;border:1px solid currentColor;border-radius:12px;color:inherit;background:transparent!important;opacity:.75;box-shadow:none}.product-cover-logo svg{width:22px;height:22px}.product-badge{right:15px;top:13px;font-size:8px;letter-spacing:.4px;background:#ffffff54;border:1px solid #ffffff40;color:inherit;border-radius:4px;padding:2px 6px}.theme-max .product-badge{background:#ffffff13;border-color:#ffffff16}.product-card-body{padding:19px 20px 16px}.product-card h3{font-size:15px;letter-spacing:-.25px;color:#222;line-height:1.6}.product-subtitle{font-size:10px;min-height:34px;color:#222;margin-top:7px;line-height:1.9}.product-facts{display:flex;gap:6px;margin-top:11px;flex-wrap:wrap}.product-facts span{font-size:8px;padding:3px 6px;border-radius:3px;color:#222;background:#e5eef6}.product-price-row{border-top:1px solid #e0ebf5;padding-top:16px;margin-top:19px;align-items:center;gap:8px}.price-placeholder{font-size:16px;letter-spacing:-.5px;color:#222;font-weight:600;line-height:1.3}.price-placeholder small{display:block;font-size:8px;font-weight:400;letter-spacing:0;color:#444;margin-top:6px}.product-buy{background:#e2ecf5;color:#222;min-height:33px;border-radius:7px;font-size:10px;padding:8px 10px;min-width:48px;gap:4px;border:1px solid #d3e2f0}.product-buy svg{display:none}.product-buy:hover{background:#28425d;color:white;border-color:#28425d}.product-stock{margin-top:14px;font-size:8px;letter-spacing:.3px;color:#444;gap:5px}.product-stock>span{width:4px;height:4px;background:#8e9fb0}.catalog-note{font-size:9px;line-height:1.8;color:#222;margin-top:17px}.empty-search{border:1px dashed #c7daec;background:#ebf2f8;color:#222;min-height:350px;border-radius:13px}.empty-search p{color:#444}
.purchase-guide{background:transparent;border-radius:0;border:0;border-top:1px solid #c9dbed;box-shadow:none;grid-template-columns:260px 1fr;margin-top:54px;padding:35px 0;gap:30px}.guide-intro h2{font-size:23px;letter-spacing:-.8px;max-width:220px;line-height:1.5;color:#222;margin-top:10px}.guide-intro p{font-size:10px;color:#444;line-height:1.9;max-width:230px;margin-top:10px}.guide-notes-link{margin-top:15px;font-size:10px;color:#222}.guide-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:30px;align-self:center}.guide-steps article{border:0;padding:0;display:block}.step-no{font-size:11px;font-weight:500;background:#e1ebf5;border:1px solid #ccddee;color:#444;border-radius:50%;width:28px;height:28px;margin-bottom:13px;display:grid;place-items:center}.guide-steps h3{font-size:12px;color:#222;font-weight:550}.guide-steps p{font-size:10px;color:#222;line-height:1.9;margin-top:7px}.guide-preview-note{border:0;font-size:8px;color:#444;padding:0;margin-top:0}.faq-section{border-top:1px solid #c9dbed;margin-top:2px;padding-top:39px;grid-template-columns:260px 1fr;gap:30px;margin-bottom:49px}.faq-section h2{font-size:25px;color:#222;letter-spacing:-.8px;margin-top:12px}.faq-section>div>p{font-size:11px;color:#444}.faq-section .text-link{font-size:10px;color:#222}.faq-list details{padding:17px 0;border-color:#cedeef}.faq-list summary{font-size:12px;font-weight:500;color:#222;line-height:1.7}.faq-list details p{font-size:11px;color:#444;line-height:2}.faq-list summary>span{color:#444}.site-footer{background:#e0ebf5;border-top:1px solid #ccddee;padding:32px 0 18px}.site-footer .brand>img{width:34px;height:34px}.site-footer .brand>span{font-size:20px}.site-footer .brand small{font-size:7px}.footer-top>div>p{font-size:10px;color:#444;margin-top:13px}.footer-links{font-size:10px;gap:22px;color:#222}.footer-links .small-link{font-size:10px}.footer-bottom{font-size:8px;color:#444;margin-top:25px;padding-top:16px;border-top:1px solid #c6d9ec}.floating-help{background:#fff;border:1px solid #c8daed;color:#222;box-shadow:0 6px 20px #27405a0d;border-radius:11px;right:18px;font-size:9px}.button-primary{background:#2a4663;border-color:#2a4663}.button-primary:hover{background:#21374d}.button-soft{background:#dce8f3;color:#222;border-color:#cbdcee}dialog{background:#fff;color:var(--ink);border:1px solid #cddeee;box-shadow:0 25px 80px #18283820}dialog::backdrop{background:#192a3b65;}.plan-detail,.preview-notice,.checkout-notices,.help-facts{border-color:#cddeee}.preview-notice{background:#f4f0e4;color:#222}.purchase-dialog label input,.order-search-form input{background:#fff;border-color:#cbdcee}.orders-view h1,.purchase-notes-view h1{color:#222}.order-search-form,.recent-orders,.order-status-card,.notes-sidebar,.notes-article{background:#fff;border-color:#cedeee}.notes-preview{background:#f1efe3;border-color:#e5dfce;color:#222}.notice-block-heading>span{background:#e3ecf6;color:#222}.notice-block ul{color:#222}.text-link{color:#222}.toast{background:#27415b}.owner-preview-link{background:#e0ebf5;padding:6px 0 22px;text-align:center}.owner-preview-link a{font-size:9px;color:#444}
@media(min-width:1600px){.container{width:min(1320px,calc(100% - 112px))}.product-cover{height:190px}}
@media(max-width:1100px){.container{width:calc(100% - 48px)}.header-inner{gap:16px}.brand>span{font-size:21px}.brand>img{width:37px;height:37px}.site-header nav{gap:0}.site-header nav a,.site-header nav button{font-size:10px;padding:9px}.site-header nav a svg{display:none}.header-help span{display:none}.catalog-layout{grid-template-columns:188px minmax(0,1fr);gap:21px}.category-button{padding:7px;font-size:10px;gap:7px}.category-count{font-size:8px}.category-panel-heading{padding:20px 18px 15px}.product-grid{gap:12px}.product-cover{padding:24px 17px;height:150px}.product-cover-word strong{font-size:30px}.product-cover-logo{right:14px;bottom:18px;width:32px;height:32px}.product-cover-logo svg{width:20px;height:20px}.product-card-body{padding:17px 14px 14px}.product-card h3{font-size:13px}.product-subtitle{font-size:9px}.product-price-row{gap:4px}.price-placeholder{font-size:14px}.product-buy{padding:8px;font-size:9px;min-width:40px}.catalog-search{width:238px}.purchase-guide,.faq-section{grid-template-columns:220px 1fr}.guide-steps{gap:19px}}
@media(max-width:800px){.container{width:calc(100% - 36px)}.header-inner{flex-wrap:wrap;min-height:112px;gap:0;justify-content:space-between;padding-top:14px;padding-bottom:9px}.site-header nav{order:3;flex-basis:100%;justify-content:flex-start;margin-top:10px;overflow:auto;scrollbar-width:none}.site-header nav a,.site-header nav button{white-space:nowrap;padding:7px 10px;font-size:10px}.site-header nav .agent-link{margin-left:auto}.header-help span{display:inline;font-size:10px}.catalog-layout{grid-template-columns:165px minmax(0,1fr);gap:17px}.category-panel{top:145px}.category-panel h2{font-size:16px}.category-panel-heading{padding:18px 15px 14px}.category-list{padding:9px 6px}.category-button{font-size:9px;gap:6px}.category-icon{width:25px;height:25px}.category-icon svg{width:16px;height:16px}.category-count{font-size:7px}.sidebar-note{margin:12px 13px 18px}.category-panel-footer{font-size:7px;padding:13px 10px}.product-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.product-cover{height:145px}.catalog-heading h1{font-size:21px}.catalog-caption{font-size:9px}.catalog-heading>span{font-size:9px}.catalog-toolbar{flex-wrap:wrap;gap:10px}.catalog-search{width:100%;max-width:none}.purchase-guide,.faq-section{grid-template-columns:175px 1fr;gap:24px}.guide-steps{gap:14px}.guide-steps h3{font-size:10px}.guide-steps p{font-size:9px}.guide-intro h2{font-size:21px}.floating-help{display:none}.footer-links{gap:13px;font-size:9px}}
@media(max-width:600px){.container{width:calc(100% - 32px)}.preview-bar{font-size:8px;height:23px;min-height:23px}.header-inner{min-height:106px;padding-top:12px}.brand>span{font-size:21px}.brand>img{width:36px;height:36px}.brand small{font-size:7px;letter-spacing:2px;margin-top:4px}.header-help{padding:8px 9px}.site-header nav a,.site-header nav button{padding:7px 8px;font-size:9px}.site-header nav .agent-link{border:0;background:transparent;padding-right:0;margin-left:auto}.agent-link svg{display:none}.catalog-layout{display:block;margin-top:0;scroll-margin-top:135px}.category-panel{position:static;border:0;background:transparent;box-shadow:none;border-radius:0;overflow:visible}.category-panel-heading,.category-panel-footer,.sidebar-note{display:none}.category-list{display:flex;overflow:auto;flex-direction:row;padding:0 0 17px;gap:7px;scrollbar-width:none}.category-button{width:auto;flex-shrink:0;min-height:36px;padding:6px 10px;border-radius:7px;font-size:9px;background:#fff;border:1px solid #d1e0f0;gap:6px}.category-icon{width:22px;height:22px;border-radius:6px}.category-icon svg{width:14px;height:14px}.category-count{display:none}.catalog-heading{min-height:50px;padding:8px 0 0}.catalog-heading h1{font-size:21px;margin:0}.catalog-caption{font-size:9px;margin-top:7px;line-height:1.5}.catalog-heading>span{font-size:9px;padding-top:6px}.catalog-toolbar{margin:13px 0 15px;flex-wrap:nowrap;gap:8px}.catalog-search{width:auto;max-width:56%;flex:1;gap:0}.search-field{padding:9px;gap:5px}.search-field input{font-size:9px}.search-field svg{width:12px;height:12px}.share-button{display:none}.product-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:11px}.product-card{border-radius:11px}.product-cover{height:133px;padding:20px 15px}.product-cover-word{font-size:9px}.product-cover-word strong{font-size:29px;letter-spacing:-1.5px;margin-top:5px}.product-cover-caption{font-size:6px;letter-spacing:1px;margin-top:13px}.product-cover-logo{width:25px;height:25px;right:13px;bottom:17px;border-radius:8px}.product-cover-logo svg{width:15px;height:15px}.product-badge{font-size:6px;padding:1px 4px;top:10px;right:10px}.product-card-body{padding:14px 13px}.product-card h3{font-size:12px}.product-subtitle{font-size:9px;min-height:33px;margin-top:5px}.product-facts{gap:4px;margin-top:8px}.product-facts span{font-size:7px;padding:2px 4px}.product-price-row{margin-top:14px;padding-top:13px;gap:3px}.price-placeholder{font-size:13px}.price-placeholder small{font-size:7px;margin-top:5px}.product-buy{font-size:8px;padding:7px;min-width:35px;min-height:29px}.product-buy span{display:inline}.product-stock{font-size:7px;margin-top:12px;letter-spacing:0}.catalog-note{font-size:8px;line-height:1.9;margin-top:13px}.purchase-guide{display:block;padding:27px 0 23px;margin-top:30px;gap:0}.guide-intro h2{font-size:23px;max-width:none;line-height:1.5;margin-top:7px}.guide-intro p{font-size:10px;max-width:none}.guide-notes-link{font-size:9px;margin-top:11px}.guide-steps{margin-top:24px;gap:14px;grid-template-columns:repeat(3,minmax(0,1fr))}.guide-steps article{padding:0}.step-no{width:26px;height:26px;font-size:10px;margin-bottom:12px}.guide-steps h3{font-size:10px;line-height:1.8}.guide-steps p{font-size:8px;line-height:1.9;margin-top:5px}.guide-preview-note{font-size:7px;margin-top:19px}.faq-section{display:block;padding-top:28px;margin-top:0;margin-bottom:29px}.faq-section h2{font-size:24px;margin-top:8px}.faq-section>div>p{font-size:10px}.faq-section .text-link{font-size:9px;margin-top:11px}.faq-list{margin-top:19px}.faq-list details{padding:15px 0}.faq-list summary{font-size:11px;line-height:1.8;gap:14px}.faq-list details p{font-size:10px}.site-footer{padding:25px 0 19px}.footer-top{flex-direction:column;gap:22px}.footer-top>div>p{font-size:9px;margin-top:10px}.footer-links{font-size:9px;gap:20px;flex-wrap:wrap}.footer-links .small-link{font-size:9px}.footer-bottom{font-size:7px;gap:7px;padding-top:14px;margin-top:20px}.owner-preview-link{padding:0 0 100px}.owner-preview-link a{font-size:8px}.mobile-dock{background:#fff;border-color:#cddeee;box-shadow:none}.mobile-dock a,.mobile-dock button{color:#444;font-size:8px}.mobile-dock .active{color:#222}.mobile-dock span{font-size:20px}.toast{font-size:10px}.empty-search{min-height:240px;padding:28px 20px}.empty-search h3{font-size:17px}.empty-search p{font-size:10px}.orders-view,.purchase-notes-view{padding-top:25px}.orders-view h1,.purchase-notes-view h1{font-size:26px}dialog{border-radius:17px}}


/* Functional text and card contrast across themes. */
.theme-plus .product-cover-word,.theme-plus .product-cover-word strong,.theme-plus .product-cover-logo{color:#222}
.theme-pro .product-cover-word,.theme-pro .product-cover-word strong,.theme-pro .product-cover-logo{color:#222}
.theme-max .product-cover-word,.theme-max .product-cover-word strong,.theme-max .product-cover-logo,.theme-max .product-cover-caption{color:#fff}
.theme-max .product-cover-caption{opacity:.8}
.product-subtitle{font-size:12px;min-height:40px}.product-facts span{font-size:10px}.product-stock{font-size:10px;color:#222}.price-placeholder small{font-size:10px;color:#222}.product-buy{font-size:12px;padding:9px 12px}.category-button{font-size:12px}.category-count{font-size:10px;color:#222}.catalog-caption{font-size:12px}.catalog-note{font-size:11px}.guide-intro p,.guide-steps p,.faq-list details p{font-size:12px;color:#222}.guide-steps h3,.faq-list summary{font-size:13px}.sidebar-note p{font-size:11px}.guide-preview-note{font-size:10px;color:#222}.footer-top>div>p,.footer-links,.footer-links .small-link{font-size:11px}.site-header nav a,.site-header nav button{font-size:13px}.search-field input{font-size:12px}
@media(max-width:1100px){.site-header nav a,.site-header nav button{font-size:11px}.category-button{font-size:11px}.product-card-body{padding:16px 13px}.product-subtitle{font-size:11px;min-height:40px}.product-buy{font-size:11px;padding:8px}.price-placeholder{font-size:14px}.product-facts span{font-size:9px}.product-stock{font-size:9px}}
@media(max-width:800px){.category-button{font-size:10px}.catalog-caption{font-size:11px}.guide-steps{grid-template-columns:1fr}.guide-steps article{display:grid;grid-template-columns:28px 1fr;gap:12px}.step-no{margin:0}.guide-steps h3{font-size:13px}.guide-steps p{font-size:11px}.price-placeholder small{font-size:9px}}
@media(max-width:600px){.site-header nav a,.site-header nav button{font-size:10px}.category-button{font-size:11px}.catalog-caption{font-size:11px;max-width:280px}.catalog-heading>span{white-space:nowrap;font-size:10px}.catalog-heading{gap:8px}.catalog-toolbar{flex-wrap:wrap;gap:10px}.catalog-search{max-width:100%;width:100%}.search-field{padding:11px 12px}.search-field input{font-size:12px}.product-card h3{font-size:13px}.product-subtitle{font-size:11px;min-height:40px}.product-card-body{padding:14px 12px}.product-facts span{font-size:9px;padding:3px 4px}.product-price-row{flex-wrap:wrap;gap:12px}.price-placeholder{font-size:15px}.price-placeholder small{font-size:9px}.product-buy{font-size:11px;min-height:32px;padding:7px 9px}.product-stock{font-size:9px;line-height:1.7}.catalog-note{font-size:10px}.guide-intro p,.faq-section>div>p{font-size:12px}.guide-steps{grid-template-columns:1fr;gap:20px}.guide-steps article{grid-template-columns:30px 1fr;gap:13px}.guide-steps h3{font-size:13px}.guide-steps p{font-size:12px}.guide-preview-note{font-size:10px}.faq-list summary{font-size:13px}.faq-list details p{font-size:12px}.footer-top>div>p,.footer-links,.footer-links .small-link{font-size:11px}.mobile-dock a,.mobile-dock button{font-size:10px}}

/* White surfaces, flat cards, and immediate feedback. */
.preview-bar{background:#fff;border-bottom:1px solid #e6eef6}
.site-header,.category-panel,.category-panel-footer,.site-footer,.owner-preview-link,.mobile-dock{background:#fff}
.category-panel,.product-card,.product-card:hover,.floating-help,dialog{box-shadow:none}
.product-card:hover{transform:none}
.product-cover::before,.product-cover::after{display:none}

/* Catalog is the first section; retain a compact gap below navigation. */
.catalog-layout{margin-top:28px}
.brand img{box-shadow:none}
@media(max-width:600px){.catalog-layout{margin-top:20px}}

/* Neutral foregrounds; pale blue remains on surfaces and selection states. */
.search-field input::placeholder{color:#666;opacity:1}
.product-cover-caption,.theme-max .product-cover-caption{opacity:1}
.button-primary,.button-dark,.button-primary:hover,.button-dark:hover{color:#fff}

/* Keep the purchase action readable at every viewport width. */
.product-buy{min-width:52px;min-height:34px;flex-shrink:0;white-space:nowrap}
.product-buy span{display:inline;font-size:inherit;line-height:1.4}

/* One product per purchase dialog; catalog search remains available. */
.catalog-toolbar{justify-content:flex-end}.catalog-search{max-width:100%}