/*
Theme Name: XB Sourcing
Theme URI: https://xbsourcing.com
Author: XB Sourcing 跨邦
Description: 跨邦 XB Sourcing 外贸采购代理主题（水墨山水视觉体系）。支持自定义文章类型：服务 xb_service、案例 xb_case；首页关键文案可在「外观 - 自定义」中编辑。
Version: 1.0.0
Text Domain: xb-sourcing
Requires PHP: 7.4
Tags: business, responsive, custom-menu, custom-post-type, translation-ready
*/

:root{
  --ink:#0E3A5C; --ink2:#5B7A93; --ink3:#A8BCCB; --paper:#F7F4EC; --seal:#B5462F;
  --text:#1A1D21; --muted:#6B7280; --line:#E5E1D6;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--paper);color:var(--text);
  font-family:Inter,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:var(--seal)}
a:hover{color:#8E3623}
img{max-width:100%;height:auto;display:block}
h1,h2,h3,h4{color:var(--ink);line-height:1.25;font-weight:700}
h1{font-size:44px;letter-spacing:-0.8px}
h2{font-size:32px;letter-spacing:-0.4px}
h3{font-size:20px}
p{margin-bottom:14px}
ul,ol{margin:0 0 14px 20px}
li{margin-bottom:6px}
.screen-reader-text{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(1px,1px,1px,1px)}
.alignleft{float:left;margin:6px 22px 14px 0}
.alignright{float:right;margin:6px 0 14px 22px}
.aligncenter{display:block;margin:14px auto}
.wp-caption-text{font-size:13px;color:var(--muted);text-align:center;margin-top:6px}

.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
.btn{background:var(--seal);color:#fff!important;padding:11px 20px;border-radius:6px;
  font-size:14.5px;font-weight:600;display:inline-block;border:1px solid var(--seal)}
.btn:hover{background:#9E3D28}
.btn.ghost{background:transparent;color:var(--ink)!important;border:1px solid var(--ink3)}
.btn.ghost:hover{border-color:var(--seal);color:var(--seal)!important}

nav{position:sticky;top:0;background:rgba(247,244,236,0.95);
  border-bottom:1px solid var(--line);z-index:50;backdrop-filter:blur(6px)}
nav .wrap{display:flex;align-items:center;justify-content:space-between;height:74px;gap:20px}
nav .links{display:flex;gap:24px;font-size:14.5px}
nav .links a{color:var(--ink2)}
nav .links a:hover{color:var(--seal)}
nav .menu-toggle{display:none}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto}

/* 语言切换器 */
.langsw{position:relative;font-size:14px}
.langsw-btn{display:flex;align-items:center;gap:6px;background:#fff;border:1px solid var(--line);
  border-radius:6px;padding:7px 11px;color:var(--ink);cursor:pointer;font-size:13.5px;font-family:inherit}
.langsw-btn:hover{border-color:var(--ink3)}
.langsw-btn .caret{transition:transform .15s}
.langsw.open .langsw-btn .caret{transform:rotate(180deg)}
.langsw-menu{position:absolute;top:calc(100% + 6px);right:0;min-width:200px;max-height:60vh;overflow-y:auto;
  background:#fff;border:1px solid var(--line);border-radius:8px;list-style:none;margin:0;padding:6px;
  box-shadow:0 10px 28px rgba(14,58,92,.13);opacity:0;visibility:hidden;transform:translateY(-4px);
  transition:opacity .15s,transform .15s,visibility .15s;z-index:60}
.langsw.open .langsw-menu{opacity:1;visibility:visible;transform:translateY(0)}
.langsw-menu li{margin:0;list-style:none}
.langsw-menu a{display:flex;justify-content:space-between;gap:14px;padding:8px 10px;border-radius:5px;
  color:var(--text);font-size:13.5px}
.langsw-menu a:hover{background:var(--paper);color:var(--seal)}
.langsw-menu a.on{color:var(--seal);font-weight:600}
.langsw-menu .c{color:var(--muted);font-size:11px;letter-spacing:.6px}

/* 从右向左（阿拉伯语） */
[dir="rtl"] body,
.is-rtl{text-align:right}
.is-rtl .stats,.is-rtl .hero-cta,.is-rtl .band-cta{flex-direction:row-reverse}
.is-rtl nav .wrap{flex-direction:row-reverse}
.is-rtl .nav-right{margin-left:0;margin-right:auto}
.is-rtl .langsw-menu{right:auto;left:0}
.is-rtl ul,.is-rtl ol{margin-right:20px;margin-left:0}
.is-rtl .quote{text-align:right}
.is-rtl .num,.is-rtl .tag{text-align:right}
.is-rtl summary{padding-right:0}
.is-rtl .fineprint{margin-right:18px;margin-left:0}

header.site-hero{position:relative;overflow:hidden;padding:78px 0 0;min-height:520px}
header.site-hero .hill{position:absolute;left:0;bottom:0;width:100%;opacity:0.5;pointer-events:none}
header.site-hero .wrap{position:relative;z-index:2}
.eyebrow{font-size:12px;letter-spacing:2.6px;color:var(--seal);font-weight:600;text-transform:uppercase}
.lede{font-size:19px;color:#3E4A57;max-width:620px}
.hero-cta{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap}
.stats{display:flex;gap:44px;margin-top:50px;padding-bottom:70px;flex-wrap:wrap}
.stats div b{display:block;font-size:26px;font-weight:700;color:var(--ink)}
.stats div span{font-size:13px;color:var(--muted)}

section{padding:76px 0}
section.alt{background:#fff}
.section-head{max-width:680px}
.section-head p{color:var(--muted);font-size:16px;margin-top:10px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:38px}
.cards.four{grid-template-columns:repeat(4,1fr)}
.cards.two{grid-template-columns:repeat(2,1fr)}
.card{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:26px}
section.alt .card{background:#FCFCFA}
.card h3{font-size:17.5px;margin:12px 0 8px}
.card p{font-size:14px;color:#4B5563;margin:0}
.card .num{font-size:12px;font-weight:700;color:var(--seal);letter-spacing:2px}

.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:38px}
.step{border-top:3px solid var(--ink3);padding-top:16px}
.step b{display:block;font-size:12.5px;color:var(--seal);letter-spacing:2px;margin-bottom:6px}
.step h3{font-size:16.5px;margin-bottom:6px}
.step p{font-size:13.5px;color:#4B5563;margin:0}

.price{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:38px}
.tier{background:#fff;border:1px solid var(--line);border-radius:10px;padding:28px}
.tier.hi{border-color:var(--seal);box-shadow:0 2px 0 var(--seal)}
.tier h3{font-size:15px;color:var(--ink2);font-weight:600}
.tier .amt{font-size:33px;font-weight:700;color:var(--ink);margin:12px 0 4px}
.tier .amt small{font-size:14px;font-weight:400;color:var(--muted)}
.tier ul{margin:16px 0 0 16px;font-size:13.5px;color:#4B5563}
.pledge{margin-top:26px;background:#FDF4EF;border-left:3px solid var(--seal);
  padding:16px 20px;border-radius:0 8px 8px 0;font-size:14.5px;color:#6B3A28}
.pledge b{color:var(--seal)}

.cases{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:38px}
.case{background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden;display:flex;flex-direction:column}
.case .ph{height:132px;background:#DDE5EA;position:relative}
.case .ph img{width:100%;height:100%;object-fit:cover}
.case .ph svg{position:absolute;bottom:0;left:0;width:100%}
.case .body{padding:20px;flex:1}
.case .tag{font-size:11px;letter-spacing:1.6px;color:var(--seal);font-weight:700}
.case h3{font-size:16.5px;margin:8px 0 6px}
.case h3 a{color:var(--ink)}
.case p{font-size:13.5px;color:#4B5563;margin:0}
.case .res{margin-top:12px;font-size:13px;color:var(--ink);font-weight:600}

.faq{margin-top:34px;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line);padding:16px 0}
.faq summary{cursor:pointer;font-weight:600;color:var(--ink);font-size:16px;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"+";color:var(--seal);font-weight:700;margin-right:10px}
.faq details[open] summary::before{content:"–"}
.faq details p{margin:12px 0 0 24px;font-size:14.5px;color:#4B5563}

.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:38px}
.quote{background:#fff;border:1px solid var(--line);border-radius:10px;padding:24px}
.quote p{font-size:14.5px;color:#374151;font-style:italic;margin:0}
.quote .who{margin-top:16px;font-size:13px;color:var(--muted);
  display:flex;align-items:center;gap:11px;line-height:1.45}
.quote .who b{color:var(--ink);font-style:normal}
.quote .av{width:42px;height:42px;border-radius:50%;flex:none;overflow:hidden;
  background:var(--ink);color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;letter-spacing:0.5px}
.quote .av img{width:100%;height:100%;object-fit:cover;display:block}

.band{background:var(--ink);color:#fff;padding:64px 0;text-align:center;position:relative;overflow:hidden}
.band h2{color:#fff}
.band p{color:#C9D6E0;margin-top:12px;font-size:16px}
.band .btn{margin-top:24px}
.band .hill{position:absolute;bottom:0;left:0;width:100%;opacity:0.22}

article.page-content{padding:64px 0}
article.page-content .entry{max-width:760px}
article.page-content h2{margin-top:30px}
article.page-content h3{margin-top:22px}
.meta-line{font-size:13px;color:var(--muted);margin-bottom:18px}
.pager{margin-top:36px;font-size:14px}

footer.site-footer{background:#0B2E47;color:#9FB4C4;padding:50px 0 26px;font-size:13.5px}
footer.site-footer a{color:#9FB4C4}
footer.site-footer a:hover{color:#fff}
footer .cols{display:grid;grid-template-columns:2fr 1fr 1fr;gap:32px}
footer h4{color:#fff;font-size:14px;font-weight:600;margin-bottom:12px}
footer .fmenu a{display:block;margin-bottom:7px}
footer .bottom{border-top:1px solid rgba(255,255,255,0.12);margin-top:32px;padding-top:18px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;color:#7C93A6}

@media(max-width:900px){
  h1{font-size:34px} h2{font-size:26px}
  .cards,.cards.four,.steps,.price,.cases,.quotes{grid-template-columns:1fr 1fr}
  .proof{grid-template-columns:1fr 1fr}
  footer .cols{grid-template-columns:1fr}
  nav .links{display:none}
  nav .links.open{display:flex;flex-direction:column;position:absolute;top:74px;left:0;right:0;
    background:var(--paper);padding:18px 24px;border-bottom:1px solid var(--line)}
  nav .menu-toggle{display:block;background:none;border:1px solid var(--ink3);
    border-radius:6px;padding:7px 12px;color:var(--ink);cursor:pointer;font-size:14px}
}
/* 工艺 / 材料标签 */
.taglist{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.taglist span{font-size:13px;padding:5px 11px;border:1px solid var(--ink3);
  border-radius:20px;color:var(--ink);background:#fff}
.taglist.off span{border-color:#D9CFC0;color:#8A7F70;text-decoration:line-through;background:#FAF7F0}

/* 线性图标与交付物卡 */
.ic{flex:none;vertical-align:-4px;margin-right:6px;color:var(--seal)}
.taglist span{display:inline-flex;align-items:center}
.card.deliverable .ic{display:block;margin:0 0 12px;color:var(--ink)}
.card.deliverable h3{margin:0 0 8px}

/* 人物卡 */
.card.person{padding-top:24px}
.avatar{width:46px;height:46px;border-radius:50%;background:var(--ink);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;letter-spacing:1px}
.person .role{font-size:13px;color:var(--seal);font-weight:600;margin:8px 0 10px}

/* 工厂实拍画廊 */
.proof{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:38px}
.proof figure{margin:0;background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.proof img{width:100%;aspect-ratio:4/3;object-fit:cover;display:block}
.proof figcaption{font-size:12.5px;color:#4B5563;padding:10px 14px;border-top:1px solid var(--line)}

/* 收费补充说明 */
.fineprint{margin:16px 0 0 18px;font-size:13.5px;color:#4B5563}
.fineprint li{margin-bottom:5px}

/* 页脚 CTA 双按钮 */
.band-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:24px}
.band .btn.ghost{color:#fff!important;border-color:rgba(255,255,255,0.6)}
.band .btn.ghost:hover{border-color:#fff}

@media(max-width:600px){
  .cards,.cards.four,.steps,.price,.cases,.quotes{grid-template-columns:1fr}
  .proof{grid-template-columns:1fr}
  .langsw-btn{padding:6px 9px}
  .langsw-menu{min-width:170px}
  .nav-right{gap:8px}
  .stats{gap:24px}
}

/* ================= 内页 ================= */
header.page-head{background:#fff;border-bottom:1px solid var(--line);padding:34px 0 40px}
header.page-head h1{font-size:38px;max-width:820px}
header.page-head .lede{margin-top:12px}
.crumb{font-size:12.5px;color:var(--muted);margin-bottom:16px}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--seal)}
.crumb .sep{margin:0 8px;color:#C6C0B4}
.crumb span:not(.sep){color:var(--ink)}

.layout{display:grid;grid-template-columns:1fr 320px;gap:40px;align-items:start}
.layout .main{min-width:0}
.layout .side{position:sticky;top:100px;display:flex;flex-direction:column;gap:16px}
.side .box{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:20px}
section.alt .side .box{background:#FCFCFA}
.side .box h4{font-size:14px;margin-bottom:10px}
.side .box ul{margin:0 0 0 16px;font-size:13.5px;color:#4B5563}
.side .box p{font-size:13.5px;color:#4B5563;margin:0}
.side .box.cta{background:#FDF4EF;border-color:#F0DCD2}
.side .box.cta .btn{margin-top:14px}

.facts dl{display:grid;grid-template-columns:auto 1fr;gap:8px 14px;font-size:13.5px;margin:0}
.facts dt{color:var(--muted);white-space:nowrap}
.facts dd{margin:0;color:var(--text);font-weight:600}
.facts .metric{margin-top:16px;background:var(--ink);color:#fff;border-radius:6px;
  padding:11px 14px;font-size:15px;font-weight:700;text-align:center}

.lead-img{margin:0 0 26px;border-radius:10px;overflow:hidden;border:1px solid var(--line)}
.lead-img img{width:100%;display:block}
.entry-content{max-width:760px}
.case-h{margin-top:30px;font-size:23px}

/* 服务卡 */
.card.svc{display:flex;flex-direction:column;background:#fff}
section.alt .card.svc{background:#fff}
.svc-top{display:flex;align-items:center;gap:12px}
.svc-top h3{margin:0;font-size:18px}
.card.svc .ic{color:var(--seal);margin:0}
.card.svc p{font-size:14px;color:#4B5563}
.svc-when{font-size:12.5px;color:var(--muted);margin-top:12px}
.card.svc .more{margin-top:auto;padding-top:16px;font-size:13.5px;font-weight:600;color:var(--seal)}
.card.svc:hover{border-color:var(--seal)}

/* 案例筛选 */
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}
.chip{font-size:13px;padding:6px 14px;border:1px solid var(--ink3);border-radius:20px;
  color:var(--ink);background:#fff}
.chip:hover{border-color:var(--seal);color:var(--seal)}
.chip.on{background:var(--ink);border-color:var(--ink);color:#fff}
.chip.alt-chip{border-style:dashed}

/* 排序列表 / 承诺 */
ol.commit{margin:18px 0 0 20px}
ol.commit li{margin-bottom:10px;font-size:15px;color:#374151}
ol.commit li::marker{color:var(--seal);font-weight:700}

.example{margin-top:16px;background:var(--paper);border-left:3px solid var(--seal);
  border-radius:0 8px 8px 0;padding:18px 20px}
.example .ex-line{margin:0 0 8px;font-size:14px;color:#4B5563}
.example .ex-result{margin:0;font-size:15px;font-weight:600;color:var(--ink)}

/* 表单 */
form.rfq{margin-top:22px;display:flex;flex-direction:column;gap:16px;max-width:720px}
form.rfq .row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
form.rfq label{display:flex;flex-direction:column;gap:6px;font-size:13.5px}
form.rfq label span{font-weight:600;color:var(--ink)}
form.rfq label em{font-style:normal;font-weight:400;color:var(--seal);font-size:11.5px}
form.rfq label.full{grid-column:1 / -1}
form.rfq input,form.rfq textarea,form.rfq select{font-family:inherit;font-size:14.5px;
  padding:10px 12px;border:1px solid var(--ink3);border-radius:6px;background:#fff;color:var(--text)}
form.rfq input:focus,form.rfq textarea:focus{outline:2px solid rgba(181,70,47,.35);border-color:var(--seal)}
form.rfq input[type=file]{padding:8px;font-size:13px}
form.rfq small{color:var(--muted);font-size:11.5px;font-weight:400}
form.rfq .note{font-size:13px;color:var(--muted);margin:0}
form.rfq .btn{border:none;cursor:pointer;align-self:flex-start;font-family:inherit}
form.rfq .hp{display:none}

.notice{border-radius:8px;padding:14px 18px;font-size:14.5px;margin-bottom:26px}
.notice.ok{background:#F0F7F1;color:#2E5C39;border:1px solid #CFE5D3}
.notice.warn{background:#FDF4EF;color:var(--seal);border:1px solid #F0DCD2}

/* 空状态 */
.empty{background:var(--paper);border:1px dashed var(--ink3);border-radius:10px;
  padding:36px;text-align:center}
.empty p{margin-bottom:18px;color:var(--muted)}

.case-nav{display:flex;gap:12px;flex-wrap:wrap}
.contact-list{list-style:none;margin:0;font-size:13.5px}
.contact-list li{display:flex;flex-direction:column;margin-bottom:12px}
.contact-list b{color:var(--muted);font-weight:500;font-size:12px;margin-bottom:2px}
.contact-list a,.contact-list span{color:var(--ink)}

/* 内页从右向左 */
.is-rtl .layout{direction:rtl}
.is-rtl .side{order:-1}
.is-rtl .crumb .sep{margin:0 8px}
.is-rtl .facts dl{direction:rtl}
.is-rtl .card.svc .more{text-align:right}
.is-rtl .case-nav{flex-direction:row-reverse}
.is-rtl ol.commit{margin-right:20px;margin-left:0}
.is-rtl .example{border-left:none;border-right:3px solid var(--seal);border-radius:8px 0 0 8px}

@media(max-width:900px){
  header.page-head h1{font-size:30px}
  .layout{grid-template-columns:1fr;gap:28px}
  .layout .side{position:static}
  .cards.two{grid-template-columns:1fr}
}
@media(max-width:600px){
  form.rfq .row{grid-template-columns:1fr}
  .filters{gap:6px}
}