/* ========== 全局重置与基础变量 ========== */
* { margin: 0; padding: 0; box-sizing: border-box; }
:root { --bg-deep: #0A0C12; --bg-card: #12151D; --gold: #C8A060; --gold-dark: #A88442; --purple: #603A70; --silver: #D0D2D6; --text-white: #F0F2F5; --text-gray: #8A8F99; --border: rgba(200, 160, 96, 0.2); }
html { scroll-behavior: smooth; }
body { font-family: "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, sans-serif; background-color: var(--bg-deep); color: var(--text-white); line-height: 1.6; overflow-x: hidden; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
.container { max-width: 1800px; min-width: 1320px; margin: 0 auto; padding: 0 40px; }

/* ========== 顶部导航栏 ========== */
header { position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; padding: 20px 0; transition: all 0.3s ease; background: rgba(10, 12, 18, 0.7); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
header.scrolled { padding: 12px 0; background: rgba(10, 12, 18, 0.95); border-bottom: 1px solid rgba(255,255,255,0.05); }
.nav-wrapper { display: flex; align-items: center; justify-content: space-between; }
.nav-wrapper .logo {flex:0 1 20%;font-size:24px;font-weight:700;letter-spacing:3px;color:var(--gold);}
.nav-wrapper .logo svg { width: 250px; height: auto; margin-right: 8px; }
.nav-wrapper .logo small { font-size: 12px; color: var(--text-gray); margin-left: 8px; font-weight: 400; letter-spacing: 1px; }
.nav-menu {flex: 1 1 60%;display: flex; gap: 36px; width: 100%; justify-content: space-around; flex: 1 1 auto; max-width: 800px;}
.nav-menu a { font-size: 15px; color: var(--text-white); transition: color 0.3s; position: relative; }
.nav-menu a:hover { color: var(--gold); }

/* ========== 导航二级下拉菜单（全屏宽版） ========== */
.nav-item { position: static; }
.nav-link { display: block; padding: 8px 0; font-size: 15px; color: var(--text-white); transition: color 0.3s ease; position: relative; }
.nav-link::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background: var(--gold); transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1); }
.nav-item:hover .nav-link { color: var(--gold); }
.nav-item:hover .nav-link::after { width: 100%; }
.dropdown-menu { position: absolute; top: 100%; left: 0; width: 100%; padding: 24px 0; margin-top: 0; background: rgba(18, 21, 29, 0.96); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-top: 1px solid rgba(200, 160, 96, 0.15); border-bottom: 1px solid rgba(200, 160, 96, 0.15); opacity: 0; visibility: hidden; transform: translateY(-10px); transition: all 0.3s ease; z-index: 1001; box-shadow: 0 12px 36px rgba(0, 0, 0, 0.35); }
.dropdown-panel { display: flex; width: 800px;margin:auto;gap: 0; align-items: flex-start; }
.dropdown-left {flex: 1;}
.dropdown-left ul { display: flex;justify-content: center; gap:0 48px; }
.dropdown-left li a {display:block; padding:10px 12px; font-size:16px; color:var(--text-gray); transition:all 0.22s ease; white-space:nowrap; }
.dropdown-left li a:hover { color: var(--gold); background: rgba(200, 160, 96, 0.04); border-radius: 4px; }
.dropdown-right {display:none !important; width: 320px; flex: 0 0 320px; border-left: 1px solid rgba(255,255,255,0.03); padding-left: 16px; display: flex; align-items: center; justify-content: center; }
.dropdown-right img { width: 100%; height: auto; border-radius: 6px; object-fit: cover; }
.nav-item:hover .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }

.nav-actions {flex:0 1 20%;display:flex;justify-content:right;align-items:center;gap:16px;}
.nav-toggle { display: none; }
body.menu-open { overflow: hidden; }
.btn { padding: 10px 24px; border-radius: 8px; font-size: 14px; font-weight: 500; transition: all 0.3s ease; cursor: pointer; border: none; outline: none; }
.btn-gold { background: linear-gradient(90deg, var(--gold-dark) 0%, var(--gold) 50%, var(--gold-dark) 100%); background-size: 200% 100%; background-position: 0% 50%; color: #0A0C12; transition: all 0.3s ease; }
.btn-gold:hover { background-position: 100% 50%; box-shadow: 0 8px 20px rgba(200, 160, 96, 0.25); }
.btn-outline { background: transparent; border: 1px solid var(--silver); color: var(--text-white); }
.btn-outline:hover { border-color: var(--gold); color: var(--gold); }
.nav-phone { color: var(--gold); font-size: 24px; font-weight: 600; }

/* ========== 页脚 ========== */
footer {background: #07090E; padding: 60px 0 30px; border-top: 1px solid rgba(255,255,255,0.03);}
/* 页脚迷你供应链栏 */
.footer-supply {padding:0 0 20px 0;border-top: 0 solid rgba(255,255,255,0.1);border-bottom: 1px solid rgba(255,255,255,0.1);margin-bottom:80px;}
.footer-supply-logos{display:flex;justify-content:space-between;align-items: center;gap:1vw;flex-wrap:wrap;opacity:0.6;}
.footer-supply-logos img{width:auto;height:auto;max-height:1vw;max-width:4.5vw;}
.footer-grid {display:grid;grid-template-columns:1fr 2fr 1fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px;}

.footer-qrcode{max-width:160px;}
.footer-qrcode-pic{height:160px;display:flex;justify-content:center;align-items:center;font-size:14px;line-height:2;color:black;background:white;border-radius:8px;text-align: center;}
.footer-qrcode p{font-size: 13px; color: var(--text-gray);text-align: center;margin:10px 0;}

.footer-brand{max-width:380px;}
.footer-brand .logo{ margin-bottom: 20px; display: block; }
.footer-brand .logo svg{max-width:300px;width:100%;}
.footer-brand p{color:var(--text-gray);font-size:15px;line-height:1.6;margin-bottom:16px;}
.footer-brand-tel{font-size:20px;color:var(--gold);font-weight:400;}
.footer-col{max-width:130px}
.footer-col h4 { font-size:18px;line-height:1.4;font-weight: 400;padding-bottom: 16px; margin-bottom: 16px; color: var(--gold);border-bottom:1px solid var(--border);}
.footer-col ul li { margin-bottom: 12px; }
.footer-col ul li a {color:var(--text-gray);font-size:15px;transition:color 0.3s;padding-left:0;overflow:hidden;background:url(../public/images/jiantou.svg) no-repeat -20px center;background-size:20px;transition:all 300ms;}
.footer-col ul li a:hover {color: var(--gold); padding-left:20px;background:url(../public/images/jiantou.svg) no-repeat 0 center;background-size:20px;}
.footer-bottom {padding-top:30px;border-top:1px solid rgba(255,255,255,0.05);display:flex;justify-content:center;gap:0 20px;}
.footer-bottom span,.footer-bottom a{color:var(--text-gray);font-size: 14px;line-height:1.4;}

/* ========== 悬浮咨询按钮 ========== */
.float-btn { position: fixed;bottom: 120px;right: 40px;z-index: 999;}
.float-btn a {display:flex;align-items:center;gap:10px;padding:14px 24px;background:var(--gold);border-radius:50px;font-size:18px;font-weight:400;color:#0A0C12;box-shadow:0 8px 20px rgba(200, 160, 96, 0.3);transition:all 0.3s;}
.float-btn a:hover { transform:translateY(-2px);box-shadow:0 12px 28px rgba(200, 160, 96, 0.4);}
.float-btn svg{width:40px;height:40px;}



        /* 咨询弹窗样式 */
        .consult-modal {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.7);
            z-index: 2000;
            display: none;
            align-items: center;
            justify-content: center;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .consult-modal.show {
            display: flex;
            opacity: 1;
        }
        .modal-content {
            background: var(--bg-card);
            padding: 40px;
            border-radius: 8px;
            width: 90%;
            max-width: 500px;
            position: relative;
            border: 1px solid var(--border);
            transform: translateY(20px);
            transition: transform 0.3s ease;
        }
        .consult-modal.show .modal-content {
            transform: translateY(0);
        }
        .modal-close {
            position: absolute;
            top: 16px;
            right: 20px;
            font-size: 24px;
            color: var(--text-gray);
            cursor: pointer;
            transition: color 0.3s;
        }
        .modal-close:hover { color: var(--gold); }
        .qrcode-box {
            text-align: center;
            margin-top: 24px;
            padding-top: 24px;
            border-top: 1px solid rgba(255,255,255,0.05);
        }
        .qrcode-box .qrcode {
            width: 120px;
            height: 120px;
            background: #fff;
            margin: 0 auto 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #333;
            font-size: 12px;
            border-radius: 4px;
        }        /* 咨询弹窗样式 */
        .consult-modal {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.7);
            z-index: 2000;
            display: none;
            align-items: center;
            justify-content: center;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .consult-modal.show {
            display: flex;
            opacity: 1;
        }
        .modal-content {
            background: var(--bg-card);
            padding: 40px;
            border-radius: 8px;
            width: 90%;
            max-width: 500px;
            position: relative;
            border: 1px solid var(--border);
            transform: translateY(20px);
            transition: transform 0.3s ease;
        }
        .consult-modal.show .modal-content {
            transform: translateY(0);
        }
        .modal-close {
            position: absolute;
            top: 16px;
            right: 20px;
            font-size: 24px;
            color: var(--text-gray);
            cursor: pointer;
            transition: color 0.3s;
        }
        .modal-close:hover { color: var(--gold); }
        .qrcode-box {
            text-align: center;
            margin-top: 24px;
            padding-top: 24px;
            border-top: 1px solid rgba(255,255,255,0.05);
        }
        .qrcode-box .qrcode {
            width: 120px;
            height: 120px;
            background: #fff;
            margin: 0 auto 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #333;
            font-size: 12px;
            border-radius: 4px;
        }
/* ========== 响应式适配 ========== */
@media (max-width:1024px) {
.container { min-width: 0; }
}

@media (max-width: 768px) {
.container { padding: 0 20px; }
.nav-phone { display: none; }
/* ---------- 移动端汉堡菜单 ---------- */
.nav-toggle { display: flex; flex-direction: column; justify-content: center; gap: 5px; width: 40px; height: 40px; padding: 8px; background: none; border: none; cursor: pointer; position: relative; z-index: 1300; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--gold); transition: all 0.3s; }
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.nav-wrapper .logo svg { width: 150px; }
.nav-menu { display: block; position: fixed; top: 0; right: 0; width: 80%; max-width: 340px; height: 100vh; background: rgba(10, 12, 18, 0.98); padding: 50px 28px 40px; overflow-y: auto; transform: translateX(100%); transition: transform 0.3s ease; z-index: 1200; box-shadow: -8px 0 32px rgba(0, 0, 0, 0.4); }
.nav-menu.open { transform: translateX(0); }
.nav-menu .nav-item { position: relative; border-bottom: 1px solid rgba(255, 255, 255, 0.06); }
.nav-menu .nav-link { padding: 15px 0; font-size: 16px; }
.nav-menu .dropdown-menu { position: static; opacity: 1; visibility: visible; transform: none; background: transparent; -webkit-backdrop-filter: none; backdrop-filter: none; border: none; box-shadow: none; padding: 0 0 10px; }
.nav-menu .dropdown-panel { width: auto; margin: 0; }
.nav-menu .dropdown-left ul { flex-direction: column; gap: 0; align-items: stretch; }
.nav-menu .dropdown-left li a { font-size: 14px; padding: 8px 0 8px 14px; white-space: normal; }
.nav-actions{display: none;}

.footer-qrcode{max-width:40vw;margin:0 auto;width: 100%;}
.footer-qrcode-pic{width: 100%;}
/* ---------- 页脚/悬浮按钮/其他 ---------- */
.footer-supply { margin-bottom: 40px; }
.footer-supply-logos img { max-height: 22px; max-width: 84px; }
.footer-grid { grid-template-columns: 1fr 1fr; }
.float-btn { right: 16px; bottom: 90px; }
.float-btn a { padding: 10px 16px; font-size: 15px; gap: 8px; }
.float-btn svg { width: 26px; height: 26px; }
}

@media (max-width: 560px) {
.footer-grid { grid-template-columns: 1fr; gap: 28px; }
.footer-brand { max-width: none; }
.footer-col { max-width: none; }
.footer-bottom { flex-wrap: wrap; gap: 8px 16px; }
}