/*
Theme Name: DirectPPE
Theme URI: https://directppe.com
Author: Weikang Tian
Description: WordPress theme for DirectPPE - Full-Range PPE Source Factory. Based on V4 prototype design.
Version: 1.7.0
Requires at least: 6.0
Tested up to: 7.1
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: directppe
Tags: one-column, custom-colors, custom-logo, custom-menu, featured-images, full-site-editing, translation-ready
*/

/* ===== CSS VARIABLES ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
--navy:#1B2838;--navy-light:#243447;--orange:#E8611C;--orange-dark:#C74E12;
--gray-50:#F9FAFB;--gray-100:#F3F4F6;--gray-200:#E5E7EB;--gray-300:#D1D5DB;
--gray-500:#6B7280;--gray-700:#374151;--gray-900:#111827;
--white:#fff;--max-w:1140px;
--font-main:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
}
html{scroll-behavior:smooth}
body{font-family:var(--font-main);color:var(--gray-900);line-height:1.6;-webkit-font-smoothing:antialiased;background:#fff}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
.container{max-width:var(--max-w);margin:0 auto;padding:0 24px}
section{padding:72px 0}
h2{font-size:1.9rem;font-weight:800;margin-bottom:10px;color:var(--navy)}
.section-sub{color:var(--gray-500);font-size:1rem;margin-bottom:40px;max-width:600px;line-height:1.7}
.cta-btn{display:inline-flex;align-items:center;gap:8px;background:var(--orange);color:#fff;padding:13px 28px;border-radius:8px;font-weight:700;font-size:.95rem;transition:all .25s;border:none;cursor:pointer;text-decoration:none}
.cta-btn:hover{background:var(--orange-dark);transform:translateY(-1px);color:#fff}
.cta-outline{display:inline-flex;align-items:center;gap:8px;background:transparent;color:var(--orange);padding:12px 27px;border-radius:8px;font-weight:700;font-size:.95rem;border:2px solid var(--orange);transition:all .25s;cursor:pointer;text-decoration:none}
.cta-outline:hover{background:var(--orange);color:#fff}

/* ===== HEADER ===== */
header{position:fixed;top:0;width:100%;background:rgba(27,40,56,.97);backdrop-filter:blur(8px);z-index:1000;border-bottom:1px solid rgba(255,255,255,.08)}
.header-cta{margin-left:auto;background:var(--orange);color:#fff;padding:8px 20px;border-radius:6px;font-size:.88rem;font-weight:600;transition:background .2s}
.header-cta:hover{background:var(--orange-dark);color:#fff}
.header-contact{display:inline-flex;align-items:center;gap:8px;font-size:.85rem;margin-left:16px}
.header-contact .pulse-arrow{color:#fff;animation:pulseArrow 1.2s ease-in-out infinite;flex-shrink:0;stroke-width:3}
header .container{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none}
.logo img{height:40px;width:40px;object-fit:cover;border-radius:8px;background:#fff;padding:3px;display:block;box-shadow:0 2px 8px rgba(0,0,0,.25)}
.logo-text{font-size:1.25rem;font-weight:800;color:#fff;letter-spacing:-.5px;line-height:1}
.logo-text span{color:var(--orange)}
nav ul{display:flex;gap:28px;list-style:none}
nav a{color:rgba(255,255,255,.8);font-size:.88rem;font-weight:500;transition:color .2s}
nav a:hover{color:var(--orange)}
.header-contact a{color:#fff;font-weight:700;text-decoration:none;transition:color .2s}
.header-contact a:hover{color:var(--orange)}
.header-contact a:last-child{display:inline-flex;align-items:center;gap:4px}
.hc-sep{color:rgba(255,255,255,.25)}
@keyframes pulseArrow{0%,100%{opacity:.3;transform:translateX(-3px)}50%{opacity:1;transform:translateX(2px)}}
.menu-toggle{display:none;background:none;border:none;color:#fff;font-size:1.5rem;cursor:pointer}

/* ===== HERO ===== */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden;background:var(--navy)}
.hero-bg{position:absolute;inset:0;z-index:0;background:#1B2838}
.hero-bg img{width:100%;height:100%;object-fit:cover;display:block}
.hero-bg .placeholder-img{width:100%;height:100%;background:linear-gradient(135deg,#1B2838 0%,#243447 40%,rgba(232,97,28,.12) 100%);display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.12);font-size:.85rem}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(27,40,56,.93) 0%,rgba(27,40,56,.65) 60%,rgba(232,97,28,.12) 100%);z-index:1}
.hero .container{position:relative;z-index:2;padding-top:80px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(232,97,28,.15);border:1px solid rgba(232,97,28,.3);color:var(--orange);padding:7px 14px;border-radius:100px;font-size:.82rem;font-weight:600;margin-bottom:20px}
.hero h1{color:#fff;font-size:2.8rem;font-weight:900;line-height:1.18;max-width:620px;margin-bottom:18px}
.hero h1 em{font-style:normal;color:var(--orange)}
.hero p{color:rgba(255,255,255,.72);font-size:1.05rem;max-width:540px;margin-bottom:32px;line-height:1.7}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{display:flex;gap:40px;margin-top:48px;padding-top:32px;border-top:1px solid rgba(255,255,255,.1)}
.hero-stats .stat-num{font-size:1.8rem;font-weight:900;color:var(--orange)}
.hero-stats .stat-label{color:rgba(255,255,255,.55);font-size:.82rem;margin-top:2px}

/* ===== TRUST BAR ===== */
.trust-bar{background:var(--gray-50);padding:20px 0;border-bottom:1px solid var(--gray-200)}
.trust-bar .container{display:flex;align-items:center;justify-content:center;gap:40px;flex-wrap:wrap}
.trust-bar .trust-item{display:flex;align-items:center;gap:8px;color:var(--gray-500);font-size:.85rem;font-weight:600}
.trust-bar .trust-icon{width:28px;height:28px;color:var(--orange)}

/* ===== CORE VALUE BANNER ===== */
.value-banner{background:linear-gradient(135deg,var(--navy) 0%,var(--navy-light) 100%);color:#fff;text-align:center;padding:56px 0;position:relative;overflow:hidden}
.value-banner::before{content:'';position:absolute;top:0;left:50%;transform:translateX(-50%);width:600px;height:600px;background:radial-gradient(circle,rgba(232,97,28,.06) 0%,transparent 70%)}
.value-banner .container{position:relative;z-index:1}
.value-banner h2{color:#fff;font-size:1.7rem;margin-bottom:20px;max-width:700px;margin-left:auto;margin-right:auto;line-height:1.4}
.value-banner h2 em{color:var(--orange);font-style:normal}
.value-banner .value-desc{color:rgba(255,255,255,.7);font-size:1rem;max-width:640px;margin:0 auto 28px;line-height:1.8}
.value-tags{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}
.value-tags span{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);padding:8px 18px;border-radius:8px;font-size:.88rem;font-weight:600;color:rgba(255,255,255,.85)}

/* ===== SOURCE FACTORY ===== */
.factory-section{background:var(--gray-50);position:relative;overflow:hidden}
.factory-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.factory-text h2 em{color:var(--orange);font-style:normal}
.factory-text .factory-desc{color:var(--gray-500);margin:14px 0 28px;line-height:1.8;font-size:.95rem}
.factory-highlights{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.factory-highlights .fh-item{background:var(--white);border:1px solid var(--gray-200);border-radius:12px;padding:18px;transition:border-color .3s}
.factory-highlights .fh-item:hover{border-color:var(--orange)}
.factory-highlights .fh-num{font-size:1.6rem;font-weight:900;color:var(--orange);margin-bottom:2px}
.factory-highlights .fh-label{font-size:.82rem;color:var(--gray-500)}
.factory-images{position:relative;height:380px;border-radius:16px;overflow:hidden;box-shadow:0 12px 32px rgba(27,40,56,.12)}
.factory-images img{width:100%;height:100%;object-fit:cover;display:block}
.factory-images .placeholder-img{width:100%;height:100%;background:linear-gradient(135deg,var(--gray-100),rgba(232,97,28,.08));display:flex;align-items:center;justify-content:center;color:var(--gray-300);font-size:.85rem}
.factory-badge{position:absolute;bottom:16px;left:16px;background:var(--orange);color:#fff;padding:14px 22px;border-radius:12px;font-weight:800;font-size:1.05rem;box-shadow:0 6px 20px rgba(232,97,28,.35)}

/* ===== PRODUCTS — CATEGORY CARDS ===== */
.products-section{background:#fff}
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.cat-card{background:var(--gray-50);border-radius:14px;border:2px solid var(--gray-200);padding:32px 20px 56px;text-align:center;transition:all .3s;position:relative}
.cat-card:hover{border-color:var(--orange);background:var(--white);transform:translateY(-3px);box-shadow:0 8px 24px rgba(0,0,0,.06)}
.cat-card .cat-img{width:180px;height:180px;margin:0 auto 16px;border-radius:50%;overflow:hidden;background:var(--gray-100)}
.cat-card .cat-img img{width:100%;height:100%;object-fit:cover;display:block}
.cat-card h3{font-size:1.05rem;font-weight:700;color:var(--navy);margin-bottom:4px}
.cat-card .cat-count{font-size:.78rem;color:var(--gray-500)}
.cat-card .cat-enter{position:absolute;bottom:14px;left:50%;transform:translateX(-50%);color:var(--orange);font-size:.82rem;font-weight:700;opacity:0;transition:all .3s;white-space:nowrap}
.cat-card:hover .cat-enter{opacity:1}

/* ===== PRODUCT DETAIL PAGE ===== */
.detail-page{padding-top:88px;min-height:100vh;background:var(--gray-50)}
.detail-breadcrumb{display:flex;align-items:center;gap:8px;font-size:.85rem;color:var(--gray-500);margin-bottom:28px}
.detail-breadcrumb a{color:var(--orange);font-weight:600}
.detail-breadcrumb a:hover{text-decoration:underline}
.detail-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:36px;flex-wrap:wrap;gap:16px}
.detail-header-left{display:flex;align-items:center;gap:16px}
.detail-header-left .detail-icon{font-size:2.8rem}
.detail-header-left h2{margin-bottom:0;font-size:1.7rem}
.detail-header-left .detail-count{color:var(--gray-500);font-size:.9rem;margin-top:2px}
.detail-back{display:inline-flex;align-items:center;gap:6px;color:var(--gray-500);font-size:.88rem;font-weight:600;padding:8px 16px;border:1px solid var(--gray-300);border-radius:8px;background:var(--white);transition:all .2s}
.detail-back:hover{border-color:var(--orange);color:var(--orange)}
.detail-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px;margin-bottom:40px}
.detail-card{background:var(--white);border-radius:14px;border:1px solid var(--gray-200);overflow:hidden;transition:all .3s}
.detail-card:hover{border-color:var(--orange);box-shadow:0 6px 20px rgba(0,0,0,.06);transform:translateY(-2px)}
.detail-card .dc-img{height:220px;background:var(--gray-100);position:relative;overflow:hidden}
.detail-card .dc-img img{width:100%;height:100%;object-fit:cover;display:block}
.detail-card .dc-img .dc-badge{position:absolute;top:10px;right:10px;background:rgba(232,97,28,.9);color:#fff;padding:3px 10px;border-radius:6px;font-size:.72rem;font-weight:600}
.detail-card .dc-body{padding:18px}
.detail-card .dc-body h3{font-size:1rem;font-weight:700;color:var(--navy);margin-bottom:6px}
.detail-card .dc-body p{font-size:.85rem;color:var(--gray-500);line-height:1.6;margin-bottom:10px}
.detail-card .dc-body .dc-specs{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px}
.detail-card .dc-body .dc-specs span{background:var(--gray-50);border:1px solid var(--gray-200);padding:3px 10px;border-radius:6px;font-size:.75rem;color:var(--gray-700)}
.detail-card .dc-body .dc-edit{display:flex;align-items:center;gap:4px;font-size:.78rem;color:var(--orange);font-weight:600}
.detail-cta-row{display:flex;gap:14px;flex-wrap:wrap;justify-content:center;padding:32px 0;border-top:1px solid var(--gray-200)}

/* ===== WHY CHOOSE US ===== */
.why-section{background:var(--gray-50)}
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.why-card{background:var(--white);border-radius:14px;padding:28px 24px;border:1px solid var(--gray-200);transition:all .3s;position:relative;overflow:hidden}
.why-card::before{content:'';position:absolute;top:0;left:0;width:4px;height:100%;background:var(--orange);opacity:0;transition:opacity .3s}
.why-card:hover{border-color:var(--orange);box-shadow:0 8px 24px rgba(0,0,0,.06)}
.why-card:hover::before{opacity:1}
.why-card .why-icon{width:44px;height:44px;background:rgba(232,97,28,.1);border-radius:10px;display:flex;align-items:center;justify-content:center;margin-bottom:16px;color:var(--orange)}
.why-card h3{font-size:1rem;font-weight:700;margin-bottom:6px;color:var(--navy)}
.why-card p{font-size:.85rem;color:var(--gray-500);line-height:1.65}

/* ===== OEM/ODM ===== */
.oem-section{background:#fff}
.oem-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.oem-steps{display:flex;flex-direction:column;gap:20px}
.oem-step{display:flex;gap:16px;align-items:flex-start}
.oem-step .os-num{min-width:40px;height:40px;border-radius:50%;background:var(--orange);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:1rem}
.oem-step .os-content h3{font-weight:700;color:var(--navy);margin-bottom:3px;font-size:.95rem}
.oem-step .os-content p{font-size:.85rem;color:var(--gray-500);line-height:1.5}
.oem-right{position:relative;border-radius:16px;overflow:hidden;min-height:420px;display:flex;align-items:center;justify-content:center;text-align:center;box-shadow:0 12px 32px rgba(27,40,56,.12)}
.oem-right .oem-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.oem-right .oem-overlay{position:absolute;inset:0;background:linear-gradient(160deg,rgba(27,40,56,.9) 0%,rgba(27,40,56,.72) 55%,rgba(232,97,28,.55) 100%);z-index:1}
.oem-right .oem-content{position:relative;z-index:2;padding:48px 32px;width:100%}
.oem-right .oem-highlight{font-size:3.2rem;font-weight:900;color:#fff;margin-bottom:8px;line-height:1;text-shadow:0 2px 16px rgba(0,0,0,.3)}
.oem-right .oem-label{color:rgba(255,255,255,.9);font-size:1rem;font-weight:600;margin-bottom:26px}
.oem-right .oem-badges{display:flex;justify-content:center;gap:10px;flex-wrap:wrap}
.oem-badges span{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.35);backdrop-filter:blur(4px);padding:8px 16px;border-radius:8px;font-size:.82rem;font-weight:600;color:#fff}

/* ===== APPLICATIONS ===== */
.apps-section{background:var(--navy);color:#fff}
.apps-section h2{color:#fff}
.apps-section .section-sub{color:rgba(255,255,255,.5)}
.apps-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.app-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:20px 14px;text-align:center;transition:all .3s}
.app-card:hover{background:rgba(232,97,28,.1);border-color:var(--orange)}
.app-card .app-icon{font-size:1.8rem;margin-bottom:10px}
.app-card h3{font-size:.88rem;font-weight:600;margin-bottom:3px}
.app-card p{font-size:.72rem;color:rgba(255,255,255,.5)}

/* ===== GLOBAL CLIENTS ===== */
.clients-section{background:var(--white)}
.clients-map{text-align:center;margin-bottom:40px}
.clients-map img{width:100%;max-width:960px;margin:0 auto;height:auto;display:block;border-radius:16px;box-shadow:0 12px 36px rgba(27,40,56,.12)}
.clients-map .map-placeholder{width:100%;max-width:800px;margin:0 auto;height:300px;background:var(--gray-50);border-radius:16px;border:1px solid var(--gray-200);display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--gray-500);gap:12px}
.clients-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:40px}
.clients-stats .cs-item{text-align:center;padding:20px;background:var(--gray-50);border-radius:12px;border:1px solid var(--gray-200)}
.clients-stats .cs-num{font-size:1.8rem;font-weight:900;color:var(--orange)}
.clients-stats .cs-label{font-size:.82rem;color:var(--gray-500);margin-top:2px}
.testimonials{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.testimonial{background:var(--gray-50);border-radius:12px;padding:24px;border:1px solid var(--gray-200);position:relative}
.testimonial .t-stars{color:var(--orange);margin-bottom:10px;font-size:.95rem}
.testimonial .t-text{font-size:.88rem;color:var(--gray-700);line-height:1.7;margin-bottom:14px;font-style:italic}
.testimonial .t-author{font-weight:700;font-size:.82rem;color:var(--navy)}
.testimonial .t-role{font-size:.78rem;color:var(--gray-500)}

/* ===== INQUIRY FORM ===== */
.inquiry-section{background:var(--gray-50)}
.inquiry-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.inquiry-left h2{font-size:1.8rem}
.inquiry-left .inquiry-desc{color:var(--gray-500);margin:14px 0 28px;line-height:1.8}
.inquiry-left .inquiry-contact{display:flex;flex-direction:column;gap:14px}
.inquiry-left .ic-item{display:flex;align-items:center;gap:10px;color:var(--gray-700);font-size:.9rem}
.inquiry-left .ic-item .ic-icon{width:36px;height:36px;background:rgba(232,97,28,.1);border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--orange);flex-shrink:0}
.inquiry-form{background:var(--white);border-radius:14px;padding:32px;border:1px solid var(--gray-200);box-shadow:0 4px 16px rgba(0,0,0,.04)}
.inquiry-form h3{font-size:1.1rem;font-weight:700;margin-bottom:20px;color:var(--navy)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px}
.form-group{display:flex;flex-direction:column;gap:5px}
.form-group.full{grid-column:1/-1}
.form-group label{font-size:.82rem;font-weight:600;color:var(--gray-700)}
.form-group input,.form-group textarea,.form-group select{padding:10px 14px;border:1px solid var(--gray-300);border-radius:8px;font-size:.9rem;font-family:var(--font-main);transition:border-color .2s;outline:none;background:#fff}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{border-color:var(--orange)}
.form-group textarea{resize:vertical;min-height:90px}
.form-submit{margin-top:16px}
.form-submit .cta-btn{width:100%;justify-content:center;font-size:1rem;padding:14px}

/* ===== FOOTER ===== */
footer{background:var(--navy);color:rgba(255,255,255,.7);padding:56px 0 20px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-about .footer-logo{font-size:1.2rem;font-weight:800;color:#fff;margin-bottom:14px}
.footer-about .footer-logo span{color:var(--orange)}
.footer-about p{font-size:.85rem;line-height:1.7;max-width:300px}
.footer-col h3{color:#fff;font-size:.9rem;font-weight:700;margin-bottom:14px}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:8px}
.footer-col a{font-size:.82rem;transition:color .2s}
.footer-col a:hover{color:var(--orange)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;display:flex;justify-content:space-between;align-items:center;font-size:.78rem}
.footer-social{display:flex;gap:10px}
.footer-social a{width:32px;height:32px;border-radius:50%;background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;transition:background .2s}
.footer-social a:hover{background:var(--orange)}

/* ===== RESPONSIVE ===== */
@media(max-width:1024px){
  .factory-grid,.oem-grid,.inquiry-grid{grid-template-columns:1fr;gap:36px}
  .cat-grid{grid-template-columns:repeat(3,1fr)}
  .apps-grid{grid-template-columns:repeat(3,1fr)}
  .why-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .detail-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}
}
@media(max-width:768px){
  .header-contact{font-size:.72rem;gap:5px}
  .header-contact a{font-size:.72rem}
  .hc-sep{display:none}
  nav ul{display:none;position:absolute;top:64px;left:0;right:0;background:rgba(27,40,56,.98);flex-direction:column;padding:20px;gap:14px;z-index:999;border-top:1px solid rgba(255,255,255,.1)}
  nav ul.nav-open{display:flex}
  nav{position:relative}
  .hero h1{font-size:2rem}
  .hero-stats{flex-direction:column;gap:16px}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .apps-grid{grid-template-columns:repeat(2,1fr)}
  .why-grid,.testimonials{grid-template-columns:1fr}
  .clients-stats{grid-template-columns:repeat(2,1fr)}
  .form-row{grid-template-columns:1fr}
  .menu-toggle{display:block}
  section{padding:48px 0}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:14px;text-align:center}
  .value-banner h2{font-size:1.3rem}
  .detail-grid{grid-template-columns:1fr 1fr}
  .detail-header{flex-direction:column;align-items:flex-start}
  .hero .container{padding-top:80px}
  .detail-page{padding-top:88px}
}
@media(max-width:480px){
  .cat-grid{grid-template-columns:1fr 1fr}
  .apps-grid{grid-template-columns:1fr 1fr}
  .detail-grid{grid-template-columns:1fr}
}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--orange);outline-offset:2px;border-radius:4px}
@media print{header,.hero-bg,.hero-overlay,.cta-btn,.cta-outline,.header-cta,.footer-social,nav,.menu-toggle{display:none!important}section{padding:20px 0}body{font-size:12pt}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}