/*
Theme Name: Sanqizhi Native
Description: B哥外贸独立站轻量原生主题，兼容 WooCommerce 与 Tutor LMS。
Version: 1.0.0
Requires at least: 6.5
Requires PHP: 8.1
Text Domain: sanqizhi-native
*/
:root{--brand:#11283c;--ink:#182434;--muted:#5e6b7a;--line:#e1e7ef;--surface:#f4f7fb;--max:1200px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;color:var(--ink);background:#fff;font:16px/1.85 -apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}button,input,textarea,select{font:inherit}button,a,input,textarea,select,summary{outline-offset:5px}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--brand)}img{max-width:100%;height:auto}h1,h2,h3,h4,h5,h6{line-height:1.35;color:var(--ink);margin:0 0 22px;font-weight:700}h1{font-size:clamp(32px,4.2vw,56px);letter-spacing:-.035em}h2{font-size:clamp(26px,3vw,38px);letter-spacing:-.025em}h3{font-size:22px}p{margin:0 0 20px}ul,ol{padding-left:1.5em}li{margin-bottom:10px}svg{vertical-align:middle}.container{width:min(var(--max),calc(100% - 48px));margin-inline:auto}.skip-link{position:fixed;left:20px;top:-100px;background:#fff;padding:12px;z-index:9999}.skip-link:focus{top:10px}.site-header{background:#fff;border-bottom:1px solid var(--line);position:relative;z-index:50}.header-inner{min-height:88px;display:flex;align-items:center;gap:30px}.brand{flex-shrink:0;display:flex;align-items:center}.brand img{display:block;width:102px;max-height:55px;object-fit:contain}.site-nav{margin-left:auto}.site-nav ul{list-style:none;margin:0;padding:0}.site-nav>.menu{display:flex;align-items:center;gap:25px}.site-nav li{margin:0;position:relative}.site-nav a{display:block;font-size:14px;color:var(--ink);padding:12px 0;white-space:nowrap}.site-nav .current-menu-item>a{color:var(--brand)}.site-nav .sub-menu{position:absolute;top:100%;left:-18px;min-width:220px;background:#fff;border:1px solid var(--line);padding:8px 18px;box-shadow:0 15px 30px #15274a12;visibility:hidden;opacity:0}.site-nav li:hover>.sub-menu,.site-nav li:focus-within>.sub-menu{visibility:visible;opacity:1}.header-actions{display:flex;align-items:center;gap:16px}.account-link{border:1px solid var(--brand);border-radius:6px;padding:7px 17px;white-space:nowrap;font-size:14px}.cart-link{white-space:nowrap;font-size:14px}.menu-toggle{display:none;background:#fff;border:1px solid var(--line);padding:7px 12px;border-radius:6px}.page-heading{padding:64px 0 36px;background:var(--surface)}.page-heading h1{font-size:clamp(30px,3.5vw,44px);margin:0}.entry-content{padding-block:48px 80px;min-height:40vh}.entry-content>p,.entry-content>ul,.entry-content>ol{max-width:850px}.entry-content svg{width:20px;height:20px;fill:var(--brand)}.sqz-section{padding:76px 0}.sqz-section:nth-child(even){background:var(--surface)}.section-intro{max-width:800px;margin:0 auto 40px;text-align:center}.section-intro p{color:var(--muted)}.sqz-hero{background:linear-gradient(115deg,#edf2f5 0%,#e8eef2 68%,#d5e0e7 100%);padding:64px 0 0;overflow:hidden}.hero-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:68px;align-items:center}.hero-copy{padding-bottom:64px}.hero-copy>p{color:#415169;font-size:17px;max-width:640px;line-height:2}.hero-image{display:flex;align-items:flex-end;justify-content:center;align-self:stretch}.hero-image img{max-height:530px;object-fit:contain;object-position:bottom;width:auto;align-self:end}.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}.button,.hero-actions>a{display:inline-flex;align-items:center;justify-content:center;background:var(--brand);color:#fff;border:1px solid var(--brand);border-radius:6px;min-height:48px;padding:10px 23px;font-weight:600;text-decoration:none}.hero-actions>a:nth-child(2){background:#fff;color:var(--brand)}.challenge-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.challenge-card{padding:28px 24px;background:#fff;border:1px solid var(--line);border-radius:10px}.challenge-number{display:block;color:var(--brand);font-size:14px;font-weight:700;margin-bottom:22px}.challenge-card h3{font-size:19px}.challenge-card p{font-size:15px;color:var(--muted);margin:0}.sqz-course-grid .tutor-course-card{height:100%;border-radius:10px;overflow:hidden}.sqz-course-grid .tutor-course-thumbnail img{object-fit:cover}.split-content{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}.split-content img{width:100%;border-radius:12px}.split-content ul{padding-left:20px}.steps-panel{padding:32px;border:1px solid var(--line);border-radius:10px;background:#fff}.cred-list li{padding:0 0 18px;margin-bottom:18px;border-bottom:1px solid var(--line)}.project-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.project-grid img{width:100%;aspect-ratio:8/5;object-fit:cover;border:1px solid var(--line);border-radius:8px}.prose{max-width:900px;margin:auto}.prose h3{margin-top:36px}.faq-list{max-width:940px;margin:auto}.faq-list details{border-bottom:1px solid var(--line);padding:22px 0}.faq-list summary{cursor:pointer;font-weight:700;font-size:19px}.faq-list details>div{padding-top:20px;color:var(--muted)}.faq-list details>div>*:last-child{margin-bottom:0}.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.contact-card{padding:28px;border:1px solid var(--line);border-radius:10px;background:#fff}.contact-card h4{font-size:19px}.contact-card p{margin-bottom:0}.contact-page-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:64px}.wpcf7 label{display:block}.wpcf7 input:not([type=submit]):not([type=checkbox]),.wpcf7 textarea{width:100%;border:1px solid #bac6d6;border-radius:5px;padding:10px;background:#fff}.wpcf7 textarea{max-height:200px}.wpcf7 input[type=submit]{border:0;border-radius:6px;background:var(--brand);color:#fff;padding:12px 28px;cursor:pointer}.site-footer{background:#172234;color:#d1d8e2;padding:64px 0 0}.footer-grid{display:grid;grid-template-columns:1.8fr 1fr 1fr 1fr;gap:40px}.footer-widget h2,.footer-widget h3,.footer-widget h4,.footer-widget .widget-title{color:#fff;font-size:17px;margin-bottom:20px}.footer-widget ul{list-style:none;margin:0;padding:0}.footer-widget li{margin-bottom:9px}.site-footer a{color:#d1d8e2}.footer-widget p{font-size:14px}.footer-widget img{max-width:180px}.footer-widget:first-child img{max-width:90px}.footer-bottom{border-top:1px solid #ffffff20;margin-top:48px;padding:22px 0;font-size:13px;text-align:center}.posts-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}.post-card{border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fff}.post-card img{width:100%;aspect-ratio:16/10;object-fit:cover}.post-card-body{padding:24px}.post-card h2{font-size:22px}.post-card p{font-size:14px;color:var(--muted)}.post-meta{color:var(--muted);font-size:14px;margin-bottom:20px}.article-body{max-width:900px}.article-body img{height:auto}.article-body iframe{max-width:100%}.article-body h2,.article-body h3{margin-top:36px}.pagination{margin-top:32px}.pagination .page-numbers{display:inline-block;padding:8px 15px;border:1px solid var(--line)}.woocommerce ul.products{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}.woocommerce ul.products:before,.woocommerce ul.products:after{display:none}.woocommerce ul.products li.product,.woocommerce-page ul.products li.product{float:none;width:100%;margin:0!important;padding:20px;border:1px solid var(--line);border-radius:10px;background:#fff}.woocommerce ul.products li.product a img{border-radius:6px;aspect-ratio:1;object-fit:cover}.woocommerce ul.products li.product .woocommerce-loop-product__title{font-size:19px;line-height:1.5}.woocommerce ul.products li.product .price{font-size:17px;color:var(--brand)}.woocommerce a.button,.woocommerce button.button,.woocommerce input.button,.woocommerce #respond input#submit{background:var(--brand);color:#fff;font-weight:600;border-radius:5px;line-height:1.5;padding:10px 18px}.woocommerce form .form-row input.input-text,.woocommerce form .form-row textarea,.woocommerce form .form-row select{padding:10px;border:1px solid #bdc8d7;border-radius:4px}.woocommerce table.shop_table{border-color:var(--line)}.woocommerce .quantity .qty{min-height:42px}.woocommerce div.product p.price{color:var(--brand)}.tutor-wrap{max-width:1200px;margin-inline:auto}.sqz-section .tutor-wrap{max-width:100%}.tutor-container{max-width:1200px}.comment-form textarea{max-width:100%}#comments{margin-top:48px}body.error404 .entry-content{min-height:55vh}.sqz-section img{height:auto}.audience-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.audience-grid>div{padding:30px;border:1px solid var(--line);border-radius:10px;background:#fff}.audience-grid h3{text-align:left!important}.audience-grid p{margin:0;color:var(--muted)}
@media(min-width:1000px){.woocommerce .col2-set{width:48%;float:left}.woocommerce #order_review_heading,.woocommerce #order_review{width:48%;float:right}.woocommerce form.checkout:after{content:"";display:block;clear:both}.woocommerce-account .woocommerce-MyAccount-content{padding-left:24px}}
@media(max-width:1100px){.header-inner{gap:18px}.site-nav>.menu{gap:16px}.site-nav a{font-size:13px}.header-actions{gap:10px}.brand img{width:85px}.account-link{padding:6px 10px}.hero-grid{gap:32px}.challenge-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:900px){.header-inner{min-height:76px;flex-wrap:wrap;padding-block:15px}.menu-toggle{display:block;margin-left:auto}.site-nav{order:4;width:100%;display:none;margin:0}.site-nav.is-open{display:block}.site-nav>.menu{display:block}.site-nav a{padding:11px 0;font-size:15px}.site-nav .sub-menu{position:static;visibility:visible;opacity:1;box-shadow:none;border:0;border-left:2px solid var(--line);margin-left:12px;min-width:0}.header-actions{margin-left:0}.hero-grid{grid-template-columns:1fr 1fr}.hero-copy{padding-bottom:40px}.hero-copy>p{font-size:16px}.footer-grid{grid-template-columns:1fr 1fr}.posts-grid{grid-template-columns:repeat(2,1fr)}.split-content{gap:32px}.project-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.container{width:calc(100% - 36px)}body{font-size:15px}.brand img{width:77px}.header-inner{gap:12px}.cart-link{font-size:12px}.account-link{font-size:12px;padding:5px 9px}.menu-toggle{font-size:13px;padding:5px 9px}.sqz-section{padding:48px 0}.sqz-hero{padding-top:42px}.hero-grid,.split-content,.contact-page-grid{grid-template-columns:1fr;gap:30px}.hero-copy{padding-bottom:0}.hero-image img{max-height:330px;max-width:90%}.hero-actions{gap:10px}.hero-actions>a{padding:9px 15px;font-size:14px}.challenge-grid,.contact-grid,.audience-grid,.posts-grid{grid-template-columns:1fr}.challenge-card{padding:25px}.challenge-number{margin-bottom:12px}.section-intro{margin-bottom:28px}.project-grid{gap:12px}.footer-grid{gap:28px}.footer-grid>.footer-widget:first-child{grid-column:1/-1}.footer-widget:last-child{grid-column:1/-1}.footer-bottom{font-size:12px;text-align:left}.page-heading{padding:40px 0 28px}.entry-content{padding-block:32px 50px}.woocommerce ul.products{grid-template-columns:1fr;gap:20px}.woocommerce .woocommerce-result-count,.woocommerce .woocommerce-ordering{float:none}.woocommerce div.product div.images,.woocommerce div.product div.summary{width:100%;float:none}.woocommerce table.shop_table{font-size:14px}.steps-panel{padding:24px}.tutor-wrap{max-width:100%}.tutor-container{padding-left:18px;padding-right:18px}.sqz-section .tutor-container{padding:0}.tutor-col-4{width:100%}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}

/* WooCommerce's legacy column percentages must not size items inside CSS Grid. */
.woocommerce ul.products[class*="columns-"] > li.product,
.woocommerce-page ul.products[class*="columns-"] > li.product {
  width:100% !important;
  min-width:0;
  max-width:none;
  float:none !important;
  margin:0 !important;
  display:flex;
  flex-direction:column;
}
.woocommerce ul.products[class*="columns-"] > li.product > .button,
.woocommerce-page ul.products[class*="columns-"] > li.product > .button {
  align-self:flex-start;
  margin-top:auto;
  white-space:nowrap;
}
@media(min-width:601px) and (max-width:900px) {
  .woocommerce ul.products {grid-template-columns:repeat(2,minmax(0,1fr));}
}

/* Larger navigation type, including the homepage's visual overrides. */
.site-header .site-nav a,
.home .site-header .site-nav a {font-size:16px;}
.site-header .account-link,.site-header .cart-link,
.home .site-header .account-link,.home .site-header .cart-link {font-size:15px;}
@media(max-width:600px){
  .site-header .account-link,.site-header .cart-link,
  .home .site-header .account-link,.home .site-header .cart-link {font-size:13px;}
}

.site-header a.cart-link,.home .site-header a.cart-link{display:inline-flex;align-items:center;justify-content:center;gap:5px;min-height:44px;min-width:44px;color:#11283c;text-decoration:none;border-radius:7px;padding:6px 4px;line-height:1}
.site-header a.cart-link:hover,.home .site-header a.cart-link:hover{background:#eef2f5;color:#254b65;text-decoration:none}
.site-header .cart-icon{display:block;flex-shrink:0;width:24px;height:24px}
.site-header .cart-count{font-size:14px;font-variant-numeric:tabular-nums}
@media(max-width:600px){.site-header .cart-icon{width:22px;height:22px}.site-header .cart-count{font-size:13px}.site-header a.cart-link{gap:3px;padding-inline:3px}}