/*
Theme Name: TruStick Industrial
Theme URI: https://trustick-industrial.com
Description: 自定义主题 — 工业摇杆控制器 B2B 外贸网站
Version: 1.0.0
Author: TruStick Industrial
Text Domain: wujing
*/

/* ===== RESET & BASE ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Segoe UI',system-ui,-apple-system,sans-serif;color:#333;line-height:1.6;background:#fff}

/* ===== HEADER ===== */
.header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.97);border-bottom:1px solid #e5e5e5;backdrop-filter:blur(10px)}
.header .inner{max-width:1300px;margin:0 auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between;height:78px}
.logo{font-size:21px;font-weight:700;color:#1a1a2e;text-decoration:none;display:flex;align-items:center;gap:10px}
.logo .mark{width:38px;height:38px;background:#e63946;border-radius:8px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:900;font-size:18px}

/* ===== NAVIGATION ===== */
.nav{display:flex;list-style:none;gap:28px}
.nav>li{position:relative}
.nav a{text-decoration:none;color:#444;font-size:15px;font-weight:500;padding:6px 0;border-bottom:2px solid transparent;transition:all .2s}
.nav a:hover,
.nav .current-menu-item>a,
.nav .current_page_item>a{color:#e63946;border-bottom-color:#e63946}

/* 父菜单箭头 */
.nav .menu-item-has-children>a::after{content:' ▾';font-size:10px}

/* 下拉菜单 */
.nav .dropdown{
    display:none;position:absolute;top:100%;left:0;
    background:#fff;border:1px solid #e5e5e5;border-radius:8px;
    min-width:200px;padding:8px 0;
    box-shadow:0 8px 24px rgba(0,0,0,.1);z-index:100;
    list-style:none;margin:0
}
.nav li:hover>.dropdown{display:block}
.nav .dropdown li{display:block;position:static}
.nav .dropdown a{
    display:block;padding:10px 18px;color:#444;font-size:14px;
    border:none;white-space:nowrap;transition:background .2s
}
.nav .dropdown a:hover{background:#f5f5f5;color:#e63946;border:none}

.header-right{display:flex;align-items:center;gap:14px}
.cta-btn{background:#e63946;color:#fff;padding:10px 20px;border-radius:6px;text-decoration:none;font-weight:600;font-size:14px;transition:all .2s;white-space:nowrap}
.cta-btn:hover{background:#c1121f}

.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:4px}
.hamburger span{width:26px;height:2px;background:#333;transition:all .3s}

/* ===== WHATSAPP FLOAT ===== */
.whatsapp-float{position:fixed;bottom:24px;right:24px;z-index:9999;display:flex;flex-direction:column;align-items:flex-end;gap:12px}
.whatsapp-float .tooltip{background:#333;color:#fff;padding:8px 14px;border-radius:8px;font-size:13px;white-space:nowrap;opacity:0;transform:translateX(10px);transition:all .3s;pointer-events:none}
.whatsapp-float:hover .tooltip{opacity:1;transform:translateX(0)}
.whatsapp-btn{width:56px;height:56px;background:#25D366;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 16px rgba(37,211,102,.4);transition:all .2s;text-decoration:none;font-size:28px}
.whatsapp-btn:hover{transform:scale(1.1);box-shadow:0 6px 20px rgba(37,211,102,.5)}
.whatsapp-btn svg{width:30px;height:30px;fill:#fff}

/* ===== BREADCRUMB ===== */
.breadcrumb{background:#f8f9fa;padding:12px 0;font-size:13px}
.breadcrumb .inner,.breadcrumb .container{max-width:1300px;margin:0 auto;padding:0 20px}
.breadcrumb a{color:#666;text-decoration:none}
.breadcrumb a:hover{color:#e63946}
.breadcrumb .sep{margin:0 8px;color:#aaa}

/* ===== PAGE HERO ===== */
.page-hero{background:linear-gradient(135deg,#1a1a2e,#2d2d44);padding:50px 0;color:#fff;text-align:center}
.page-hero h1{font-size:36px;margin-bottom:8px}
.page-hero p{font-size:16px;color:#aaa}

/* ===== CTA BANNER ===== */
.cta-banner{background:linear-gradient(135deg,#e63946,#c1121f);padding:55px 0;text-align:center;color:#fff}
.cta-banner .inner{max-width:700px;margin:0 auto;padding:0 20px}
.cta-banner h2{font-size:30px;margin-bottom:12px}
.cta-banner p{font-size:16px;opacity:.9;line-height:1.6;margin-bottom:24px}
.cta-banner .btn{display:inline-block;background:#fff;color:#e63946;padding:14px 36px;border-radius:8px;text-decoration:none;font-weight:700;font-size:16px;transition:all .2s}
.cta-banner .btn:hover{transform:scale(1.04);box-shadow:0 6px 20px rgba(0,0,0,.2)}

/* ===== FOOTER ===== */
.footer{background:#111;color:#888;padding:55px 0 30px}
.footer .inner,.footer .container{max-width:1300px;margin:0 auto;padding:0 20px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:30px}
.footer h4{font-size:16px;color:#fff;margin-bottom:16px}
.footer p{font-size:14px;line-height:1.7}
.footer ul{list-style:none}
.footer ul li{margin-bottom:10px}
.footer ul a{color:#888;text-decoration:none;font-size:14px;transition:color .2s}
.footer ul a:hover{color:#e63946}
.footer-bottom{border-top:1px solid #222;padding-top:20px;text-align:center;font-size:13px;color:#555}

/* ===== RESPONSIVE ===== */
@media(max-width:900px){
    .header .nav{
        display:none;position:absolute;top:78px;left:0;right:0;
        background:#fff;flex-direction:column;gap:0;
        box-shadow:0 4px 12px rgba(0,0,0,.1)
    }
    .header .nav.open{display:flex}
    .header .nav a{padding:14px 20px;border-bottom:1px solid #eee;border-left:3px solid transparent}
    .header .nav a:hover{border-left-color:#e63946}
    .hamburger{display:flex}
    .header-right .cta-btn{display:none}

    /* 移动端下拉 */
    .nav .dropdown{position:static;box-shadow:none;border:none;border-radius:0;padding:0 0 0 16px;display:none}
    .nav li.open>.dropdown{display:block}
    .nav .dropdown a{font-size:13px;padding:8px 18px}
}

@media(max-width:768px){
    .page-hero{padding:40px 0}
    .page-hero h1{font-size:28px}
    .footer-grid{grid-template-columns:1fr 1fr}
}

@media(max-width:480px){
    .footer-grid{grid-template-columns:1fr}
}