/*
Theme Name: MartFrame
Theme URI: https://example.com/martframe
Author: DigitalMart
Description: 轻量数字商品商城主题。结构对标自动售卖站：顶栏多语言+客服、Hero 搜索、分类宫格、热销商品、订单查询、购买流程、平台优势、FAQ。兼容 WooCommerce（数字商品自动发货）。
Version: 2.0
Requires at least: 6.0
Requires PHP: 7.4
License: GNU General Public License v2 or later
Text Domain: martframe
*/

/* ============ 主题色与变量（改这里即可换肤） ============ */
:root{
  --bg:#f6f8fb; --card:#ffffff; --ink:#1a2233; --sub:#6b7688;
  --brand:#2f6bff; --brand-d:#1e50d6; --accent:#00c48c;
  --border:#e6eaf2; --radius:14px; --shadow:0 4px 18px rgba(20,40,90,.07);
  --foot:#101828;
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--ink);line-height:1.6}
a{text-decoration:none;color:inherit}
img{max-width:100%;height:auto}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px}
.screen-reader-text{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(1px,1px,1px,1px)}

/* ============ 顶栏 ============ */
.topbar{background:var(--foot);color:#cbd5e1;font-size:13px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:38px}
.topbar a{color:#cbd5e1;margin-left:16px}
.topbar a:hover{color:#fff}
.lang-group{display:flex;gap:2px}
.lang-group a{margin:0;padding:2px 8px;border-radius:6px;font-size:13px}
.lang-group a.current,.lang-group a:hover{background:rgba(255,255,255,.12);color:#fff}

/* ============ 主导航 ============ */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;height:64px;gap:28px}
.logo{font-size:20px;font-weight:800;color:var(--brand);letter-spacing:.5px}
.logo span{color:var(--ink)}
.menu-main-container{flex:1}
.nav-links,.menu-main-container ul{display:flex;gap:4px;list-style:none;margin:0;padding:0}
.nav-links a,.menu-main-container a{padding:8px 14px;border-radius:10px;font-size:15px;color:var(--sub);font-weight:500;display:block}
.nav-links a:hover,.nav-links a.on,.menu-main-container a:hover,.menu-main-container .current-menu-item>a{color:var(--brand);background:#eef3ff}
.btn{display:inline-flex;align-items:center;gap:6px;background:var(--brand);color:#fff;border:none;border-radius:10px;padding:9px 18px;font-size:14px;font-weight:600;cursor:pointer;transition:.2s}
.btn:hover{background:var(--brand-d)}
.btn.ghost{background:#eef3ff;color:var(--brand)}
.menu-toggle{display:none;background:none;border:none;font-size:24px;cursor:pointer;color:var(--ink)}

/* ============ Hero ============ */
.hero{background:linear-gradient(135deg,#0d1b3e 0%,#16337e 55%,#2f6bff 100%);color:#fff;padding:72px 0 64px}
.hero h1{font-size:38px;line-height:1.25;max-width:640px}
.hero p{margin-top:14px;color:#c9d6f5;font-size:17px;max-width:560px}
.search-box{margin-top:30px;display:flex;background:#fff;border-radius:12px;max-width:560px;padding:6px;box-shadow:0 10px 30px rgba(0,0,0,.25)}
.search-box input{flex:1;border:none;outline:none;padding:10px 14px;font-size:15px;border-radius:8px;color:var(--ink)}
.search-box .btn{border-radius:8px}
.hero-tags{margin-top:18px;font-size:13px;color:#aebbdd;display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.hero-tags a{border:1px solid rgba(255,255,255,.25);padding:4px 12px;border-radius:999px;color:#dbe4fb}
.hero-tags a:hover{background:rgba(255,255,255,.15)}

/* ============ 通用版块 ============ */
section{padding:64px 0}
.sec-title{text-align:center;margin-bottom:40px}
.sec-title h2{font-size:28px}
.sec-title p{color:var(--sub);margin-top:8px}

/* ============ 分类 ============ */
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.cat-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:26px 20px;text-align:center;transition:.2s;box-shadow:var(--shadow)}
.cat-card:hover{transform:translateY(-4px);border-color:var(--brand)}
.cat-card .ico{width:52px;height:52px;margin:0 auto 12px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:26px;background:#eef3ff}
.cat-card h3{font-size:16px}
.cat-card p{font-size:13px;color:var(--sub);margin-top:6px}

/* ============ 商品 ============ */
.prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.prod-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:.2s;box-shadow:var(--shadow);display:flex;flex-direction:column}
.prod-card:hover{transform:translateY(-4px);border-color:var(--brand)}
.prod-img{height:130px;display:flex;align-items:center;justify-content:center;font-size:44px;background:#eef3ff;overflow:hidden}
.prod-img img{width:100%;height:100%;object-fit:cover}
.prod-body{padding:16px;flex:1;display:flex;flex-direction:column}
.prod-body h3{font-size:15px;min-height:44px}
.prod-body h3 a:hover{color:var(--brand)}
.prod-meta{display:flex;justify-content:space-between;font-size:12px;color:var(--sub);margin:8px 0 12px}
.prod-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;gap:8px}
.price{color:#f04452;font-size:19px;font-weight:800}
.price small{font-size:12px;font-weight:500}
.buy{font-size:13px;padding:7px 16px;white-space:nowrap}
.added_to_cart{display:none}

/* ============ 订单查询 ============ */
.order-lookup{background:#0f1f4b;color:#fff;border-radius:20px;padding:48px;display:flex;gap:40px;align-items:center;flex-wrap:wrap}
.order-lookup h2{font-size:26px;margin-bottom:8px}
.order-lookup p{color:#b9c6ea;font-size:14px}
.lookup-form{flex:1;min-width:280px;display:flex;background:#fff;border-radius:12px;padding:6px}
.lookup-form input{flex:1;border:none;outline:none;padding:10px 14px;font-size:15px;border-radius:8px}
.lookup-msg{margin-top:14px;font-size:14px;width:100%}
.lookup-msg.ok{color:#9fe8c9}
.lookup-msg.err{color:#ffb3b3}
.order-detail{background:#fff;color:var(--ink);border-radius:12px;padding:20px;width:100%;font-size:14px}
.order-detail h3{font-size:16px;margin-bottom:10px}
.order-detail ul{margin:8px 0 8px 20px}
.order-detail .dl{display:block;margin-top:8px;color:var(--brand);font-weight:600}

/* ============ 步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:28px 22px;box-shadow:var(--shadow)}
.step .num{width:36px;height:36px;border-radius:50%;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;margin-bottom:14px}
.step h3{font-size:16px;margin-bottom:6px}
.step p{font-size:13px;color:var(--sub)}

/* ============ 优势 ============ */
.feat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.feat{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:26px 22px;text-align:center;box-shadow:var(--shadow)}
.feat .ico{font-size:32px;margin-bottom:10px}
.feat h3{font-size:16px;margin-bottom:6px}
.feat p{font-size:13px;color:var(--sub)}

/* ============ FAQ ============ */
.faq-list{max-width:760px;margin:0 auto}
.faq-item{background:var(--card);border:1px solid var(--border);border-radius:12px;margin-bottom:12px;overflow:hidden}
.faq-q{width:100%;background:none;border:none;padding:18px 20px;font-size:15px;font-weight:600;text-align:left;cursor:pointer;display:flex;justify-content:space-between;align-items:center;color:var(--ink)}
.faq-q::after{content:"+";font-size:20px;color:var(--sub);transition:.2s}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;color:var(--sub);font-size:14px}
.faq-a div{padding:0 20px 18px}

/* ============ 博客/文章列表 ============ */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.post-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.2s}
.post-card:hover{transform:translateY(-4px)}
.post-card .thumb{height:150px;background:#eef3ff;display:flex;align-items:center;justify-content:center;font-size:36px;overflow:hidden}
.post-card .thumb img{width:100%;height:100%;object-fit:cover}
.post-card .pc-body{padding:16px}
.post-card h3{font-size:16px}
.post-card h3 a:hover{color:var(--brand)}
.post-card .meta{font-size:12px;color:var(--sub);margin-top:8px}
.single-article,.page-article{max-width:820px;margin:0 auto;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:40px;box-shadow:var(--shadow)}
.single-article h1,.page-article h1{font-size:30px;margin-bottom:14px}
.single-article .meta{color:var(--sub);font-size:13px;margin-bottom:24px}
.single-article img{border-radius:10px}
.nav-links-posts{margin-top:32px;display:flex;justify-content:space-between;color:var(--sub);font-size:14px}

/* ============ WooCommerce 微调 ============ */
.woocommerce ul.products{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin:0}
.woocommerce ul.products li.product{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);margin:0;width:auto;float:none}
.woocommerce ul.products li.product .woocommerce-loop-product__title{font-size:15px}
.woocommerce ul.products li.product .price{color:#f04452;font-weight:700}
.woocommerce ul.products li.product .button{background:var(--brand);color:#fff;border-radius:10px;font-size:13px;padding:9px 16px}
.woocommerce ul.products li.product .button:hover{background:var(--brand-d)}
.woocommerce nav.woocommerce-pagination ul li a,.woocommerce nav.woocommerce-pagination ul li span{border-radius:8px;padding:8px 14px}
.woocommerce-message{border-top-color:var(--brand)}

/* ============ 页脚 ============ */
footer{background:var(--foot);color:#8b96ad;padding:48px 0 24px;font-size:14px}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px}
footer h4{color:#fff;font-size:15px;margin-bottom:14px}
footer .menu{margin:0;list-style:none}
footer a:hover{color:#fff}
footer .menu a,.foot-widget a{display:block;margin-bottom:8px;color:#8b96ad}
.copyright{text-align:center;border-top:1px solid #232f47;margin-top:36px;padding-top:20px;font-size:12px;color:#5d6a85}

/* ============ 响应式 ============ */
@media (max-width:960px){
  .cat-grid,.prod-grid,.steps,.feat-grid,.post-grid{grid-template-columns:repeat(2,1fr)}
  .woocommerce ul.products{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .hero h1{font-size:28px}
}
@media (max-width:640px){
  .menu-main-container{display:none;position:absolute;top:64px;left:0;right:0;background:#fff;padding:12px;border-bottom:1px solid var(--border)}
  .menu-main-container.show{display:block}
  .menu-main-container ul{flex-direction:column}
  .menu-toggle{display:block}
  .nav .btn{display:none}
  section{padding:44px 0}
  .order-lookup{padding:32px 24px}
  .single-article,.page-article{padding:24px}
}


/* ============ v2.0：购买弹窗（无购物车直购） ============ */
.buy-mask{position:fixed;inset:0;background:rgba(10,18,40,.55);display:none;align-items:center;justify-content:center;z-index:200;padding:16px}
.buy-mask.show{display:flex}
.buy-modal{background:#fff;border-radius:16px;width:100%;max-width:430px;padding:26px;position:relative;max-height:90vh;overflow:auto}
.buy-close{position:absolute;top:10px;right:14px;border:none;background:none;font-size:24px;line-height:1;color:var(--sub);cursor:pointer}
.buy-close:hover{color:var(--ink)}
.buy-modal h3{font-size:16px;padding-right:26px;margin-bottom:20px}
.buy-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;font-size:14px;color:var(--sub)}
.qty{display:flex;align-items:center;gap:10px}
.qty button{width:30px;height:30px;border:1px solid var(--border);background:#fff;border-radius:8px;font-size:16px;cursor:pointer;line-height:1}
.qty button:hover{border-color:var(--brand);color:var(--brand)}
.qty b{min-width:24px;text-align:center;font-size:16px;color:var(--ink)}
.buy-total{color:#f04452;font-size:21px;font-weight:800}
.buy-email{margin-bottom:16px}
.buy-email label,.buy-pay label{display:block;font-size:13px;color:var(--sub);margin-bottom:8px}
.buy-email input{width:100%;border:1px solid var(--border);border-radius:10px;padding:11px 14px;font-size:14px;outline:none}
.buy-email input:focus{border-color:var(--brand)}
.buy-pay{margin-bottom:20px}
.pay-item{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--border);border-radius:10px;padding:8px 14px;margin:0 8px 8px 0;font-size:13px;cursor:pointer}
.pay-item:has(input:checked){border-color:var(--brand);background:#eef3ff;color:var(--brand)}
.pay-item input{accent-color:var(--brand);margin:0}
.buy-confirm{width:100%;justify-content:center;padding:13px;font-size:16px}
.buy-confirm:disabled{opacity:.6;cursor:wait}
.buy-tip{margin-top:12px;font-size:12px;color:var(--sub);text-align:center}
.buy-error{color:#f04452;font-size:12px;margin-top:8px;text-align:center}

/* ============ v2.0：结账页微调 ============ */
.woocommerce-checkout .woocommerce,.woocommerce-account .woocommerce{max-width:860px;margin:0 auto;padding:36px 20px}
.woocommerce form .form-row input.input-text,.woocommerce form .form-row textarea{border:1px solid var(--border);border-radius:10px;padding:11px 14px;font-size:14px}
.woocommerce form .form-row .select2-container .select2-selection{border:1px solid var(--border);border-radius:10px;height:44px}
.woocommerce #respond input#submit.alt,.woocommerce a.button.alt,.woocommerce button.button.alt,.woocommerce input.button.alt{background:var(--brand);border-radius:10px;font-size:15px;padding:13px}
.woocommerce #respond input#submit.alt:hover,.woocommerce a.button.alt:hover,.woocommerce button.button.alt:hover,.woocommerce input.button.alt:hover{background:var(--brand-d)}
#add_payment_method #payment,.woocommerce-cart #payment,.woocommerce-checkout #payment{background:#fff;border:1px solid var(--border);border-radius:12px}
#add_payment_method #payment div.payment_box,.woocommerce-cart #payment div.payment_box,.woocommerce-checkout #payment div.payment_box{background:#f6f8fb;border-radius:8px}
.woocommerce-checkout #payment ul.payment_methods li{border-bottom:1px dashed var(--border);padding:12px 0}
.woocommerce-checkout #payment ul.payment_methods li:last-child{border-bottom:none}
.woocommerce-info,.woocommerce-message{border-top-color:var(--brand)}