/* ==========================================================================
   企业门户前台 —— 现代风格（颜色来自 theme.css 变量）
   ========================================================================== */
:root{
	--primary:#1e6ff0;
	--primary-dark:#1555c8;
	--primary-light:#eaf1fe;
	--primary-soft:#f4f8ff;
	--accent:#ff7a1a;
	--accent-dark:#f0640a;
	--text:#1f2d3d;
	--muted:#7a8aa0;
	--line:#e8edf4;
	--bg:#f5f7fb;
	--card:#ffffff;
	--ink:#0e1b33;
	--radius:18px;
	--shadow-sm:0 2px 10px rgba(20,40,80,.06);
	--shadow:0 10px 34px rgba(20,40,80,.10);
	--shadow-lg:0 24px 60px rgba(20,40,80,.18);
}
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;font-size:15px;line-height:1.7;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;border:0;display:block}
ul,ol{list-style:none}
::selection{background:var(--primary);color:#fff}
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 头部 ---------- */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.82);backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid rgba(30,60,130,.06)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:70px}
.logo{display:flex;align-items:center;gap:12px;font-size:21px;font-weight:800;color:var(--ink);letter-spacing:.5px}
.logo-mark{width:38px;height:38px;border-radius:11px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));position:relative;box-shadow:0 6px 16px -4px var(--primary)}
.logo-mark:after{content:"";position:absolute;left:10px;top:10px;width:17px;height:17px;border:3px solid #fff;border-top-color:transparent;border-radius:50%;animation:spin 6s linear infinite}
.logo-text{background:linear-gradient(120deg,var(--primary),var(--primary-dark));-webkit-background-clip:text;background-clip:text;color:transparent}
.logo-img{display:block;height:42px;width:auto;max-height:56px}
.site-nav ul{display:flex;gap:4px;align-items:center}
.site-nav a{position:relative;display:block;padding:6px 12px;border-radius:18px;font-size:15px;font-weight:600;color:var(--text);transition:all .22s ease}
.site-nav a:hover{color:var(--primary);background:var(--primary-soft)}
.site-nav a.active{color:#fff;background:linear-gradient(120deg,var(--primary),var(--primary-dark));box-shadow:0 8px 18px -6px var(--primary)}
.nav-toggle{display:none;width:42px;height:42px;border:0;background:transparent;cursor:pointer;flex-direction:column;justify-content:center;gap:5px}
.nav-toggle span{display:block;height:2px;width:22px;background:var(--ink);margin:0 auto;transition:.2s;border-radius:2px}

/* ---------- Hero ---------- */
.home-hero{position:relative;overflow:hidden;background:radial-gradient(120% 140% at 10% 0%,var(--primary) 0%,var(--primary-dark) 55%,#0b2350 100%);color:#fff;padding:110px 0 120px;text-align:center}
.home-hero:before,.home-hero:after{content:"";position:absolute;border-radius:50%;filter:blur(60px);opacity:.45;pointer-events:none}
.home-hero:before{width:480px;height:480px;left:-120px;top:-160px;background:radial-gradient(circle,rgba(255,255,255,.35),transparent 70%)}
.home-hero:after{width:520px;height:520px;right:-140px;bottom:-220px;background:radial-gradient(circle,var(--accent),transparent 70%)}
.home-hero .container{position:relative;z-index:1}
.home-hero h1{font-size:54px;font-weight:900;letter-spacing:3px;line-height:1.15;margin-bottom:18px;text-shadow:0 6px 30px rgba(0,0,0,.22)}
.hero-slogan{font-size:19px;opacity:.92;margin-bottom:42px;font-weight:400;letter-spacing:2px}
.hero-trace{max-width:660px;margin:0 auto;display:flex;gap:12px;padding:10px;border-radius:999px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.25);backdrop-filter:blur(8px)}
.hero-trace input{flex:1;height:52px;border:0;border-radius:999px;padding:0 26px;font-size:16px;outline:none;background:#fff;color:var(--ink);box-shadow:0 8px 24px rgba(0,0,0,.14)}
.hero-trace button{height:52px;padding:0 38px;border:0;border-radius:999px;background:linear-gradient(120deg,var(--accent),var(--accent-dark));color:#fff;font-size:16px;font-weight:700;cursor:pointer;transition:.2s;box-shadow:0 8px 20px -6px var(--accent)}
.hero-trace button:hover{transform:translateY(-2px);box-shadow:0 14px 26px -6px var(--accent)}

/* ---------- 区块 ---------- */
.home-section{margin:72px 0}
.section-head{text-align:center;margin-bottom:36px}
.section-head h2{font-size:32px;font-weight:800;color:var(--ink);letter-spacing:1px;position:relative;display:inline-block}
.section-head h2:after{content:"";display:block;width:44px;height:4px;margin:14px auto 0;border-radius:4px;background:linear-gradient(90deg,var(--primary),var(--accent))}

/* ---------- 卡片 / 网格 ---------- */
.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:28px}
.grid{display:grid;gap:24px}
.grid.products{grid-template-columns:repeat(3,1fr)}
.product-card{position:relative;display:block;overflow:hidden;transition:transform .28s ease,box-shadow .28s ease;padding:0;border-radius:20px;background:var(--card);box-shadow:var(--shadow)}
.product-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.product-media{height:180px;background:linear-gradient(135deg,var(--primary-light),var(--primary-soft));display:flex;align-items:center;justify-content:center;overflow:hidden;position:relative}
.product-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.product-card:hover .product-media img{transform:scale(1.08)}
.product-icon{width:64px;height:64px;border-radius:16px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));box-shadow:0 10px 24px -8px var(--primary)}
.product-body{padding:20px 22px}
.product-body h3{font-size:17px;font-weight:700;margin-bottom:8px;color:var(--ink)}
.product-body p{color:var(--muted);font-size:13.5px;line-height:1.65;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- 新闻列表 ---------- */
.news-list li{border-bottom:1px solid var(--line)}
.news-list li:last-child{border-bottom:0}
.news-list a{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:16px 6px;transition:.2s}
.news-list a:hover{padding-left:14px}
.news-list a:hover .news-title{color:var(--primary)}
.news-title{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:600;color:var(--ink)}
.news-date{color:var(--muted);font-size:13px;flex-shrink:0;background:var(--primary-soft);padding:4px 12px;border-radius:999px}

/* ---------- 分页 ---------- */
.pagination{margin-top:28px;text-align:center;font-size:0}
.pagination a,.pagination span{display:inline-block;min-width:38px;height:38px;line-height:38px;margin:0 4px;padding:0 10px;border-radius:11px;border:1px solid var(--line);color:var(--text);font-size:14px;vertical-align:middle;transition:.2s}
.pagination .current,.pagination a:hover{background:linear-gradient(120deg,var(--primary),var(--primary-dark));border-color:transparent;color:#fff;box-shadow:0 6px 14px -6px var(--primary)}

/* ---------- 内页 ---------- */
.page-banner{position:relative;overflow:hidden;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;padding:64px 0}
.page-banner:after{content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.25),transparent 70%);filter:blur(30px)}
.page-banner h1{font-size:32px;font-weight:800;letter-spacing:3px;position:relative;z-index:2}
.page-banner .container{position:relative;z-index:2}
.page-banner-img{position:absolute;left:0;right:0;bottom:0;z-index:1;pointer-events:none}
.page-banner-img img{display:block;width:100%;max-width:900px;margin:0 auto;opacity:.85}
.layout{display:grid;grid-template-columns:250px 1fr;gap:28px;margin:40px auto}
.sidebar{position:sticky;top:90px;align-self:start}
.side-card h3{font-size:17px;font-weight:700;padding-bottom:14px;border-bottom:2px solid var(--primary);margin-bottom:12px;color:var(--ink)}
.side-list li a{display:block;padding:11px 14px;border-radius:10px;color:var(--text);transition:.2s;font-size:14.5px}
.side-list li a:hover{color:var(--primary);background:var(--primary-soft);transform:translateX(3px)}
.side-list li a.active{color:#fff;background:linear-gradient(120deg,var(--primary),var(--primary-dark));box-shadow:0 6px 14px -6px var(--primary)}

/* ---------- 文章 ---------- */
.article-title{font-size:26px;font-weight:800;margin-bottom:14px;color:var(--ink)}
.article-meta{color:var(--muted);font-size:13px;padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:20px;display:flex;gap:22px}
.article-body{line-height:1.95;word-wrap:break-word;color:var(--text)}
.article-body img{max-width:100%;height:auto;border-radius:12px}
.article-img{float:left;max-width:42%;margin:0 22px 12px 0;border-radius:14px;box-shadow:var(--shadow)}
.article-back{margin-top:26px;padding-top:18px;border-top:1px solid var(--line)}
.article-back a{color:var(--primary);font-weight:600}
.page-detail{line-height:1.95;word-wrap:break-word}
.page-detail img{max-width:100%;height:auto;border-radius:12px}
.empty-tip{color:var(--muted);text-align:center;padding:56px 0}

/* ---------- 留言 ---------- */
.forum-item{margin-bottom:18px}
.forum-title{font-size:17px;font-weight:700;margin-bottom:6px;color:var(--ink)}
.forum-meta{color:var(--muted);font-size:13px;margin-bottom:12px}
.forum-content{color:var(--text);line-height:1.85;white-space:pre-wrap;word-break:break-word}
.forum-reply{margin-top:14px;padding:14px 18px;background:var(--primary-soft);border-radius:12px;color:#334;border-left:3px solid var(--primary)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-field{display:flex;flex-direction:column;gap:6px}
.form-field-full{grid-column:1/-1}
.form-field label{font-size:14px;font-weight:600;color:var(--ink)}
.form-field label em{color:#e11;font-style:normal}
.form-field input,.form-field select,.form-field textarea{height:46px;border:1px solid var(--line);border-radius:11px;padding:0 14px;font-size:14px;outline:none;transition:.2s;background:#fff}
.form-field textarea{height:auto;padding:12px 14px;resize:vertical}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}
.form-field-full select{width:200px}
.form-field-full input{height:46px;border:1px solid var(--line);border-radius:11px;padding:0 14px;font-size:14px;outline:none;transition:.2s}
.form-field-full input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}
.form-actions{margin-top:22px}
.btn{display:inline-block;height:46px;padding:0 36px;border:0;border-radius:999px;background:linear-gradient(120deg,var(--primary),var(--primary-dark));color:#fff;font-size:15px;font-weight:700;cursor:pointer;transition:.2s;box-shadow:0 10px 22px -8px var(--primary)}
.btn:hover{transform:translateY(-2px);box-shadow:0 14px 28px -8px var(--primary)}

/* ---------- 轨迹查询 ---------- */
.trace-hero{position:relative;overflow:hidden;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;padding:64px 0;text-align:center}
.trace-hero h1{font-size:36px;font-weight:800;letter-spacing:2px}
.trace-hero p{margin:10px 0 26px;opacity:.9}
.trace-form{max-width:760px;margin:0 auto}
.trace-form textarea{width:100%;height:96px;border:0;border-radius:16px;padding:16px 18px;font-size:15px;outline:none;resize:vertical;box-shadow:var(--shadow-lg)}
.trace-form button{margin-top:16px;height:50px;padding:0 48px;border:0;border-radius:999px;background:linear-gradient(120deg,var(--accent),var(--accent-dark));color:#fff;font-size:16px;font-weight:700;cursor:pointer;box-shadow:0 12px 24px -8px var(--accent);transition:.2s}
.trace-form button:hover{transform:translateY(-2px)}
.trace-result{margin:36px auto}
.trace-empty{text-align:center;color:var(--muted);padding:48px 0}
.trace-group{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:28px;margin-bottom:22px}
.trace-bill{font-size:17px;font-weight:700;margin-bottom:20px;display:flex;align-items:center;gap:12px;color:var(--ink)}
.trace-bill b{color:var(--primary)}
.trace-topic{color:var(--muted);font-size:14px;font-weight:400}
.trace-timeline{position:relative;padding-left:8px}
.trace-timeline li{position:relative;padding:0 0 24px 30px;border-left:2px solid var(--line);margin-left:6px}
.trace-timeline li:last-child{border-left-color:transparent}
.trace-dot{position:absolute;left:-7px;top:4px;width:13px;height:13px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 4px var(--primary-light)}
.trace-timeline li:first-child .trace-dot{background:var(--accent);box-shadow:0 0 0 4px #ffe6cf}
.trace-time{color:var(--muted);font-size:12px}
.trace-state{font-size:15px;font-weight:700;color:var(--ink)}
.trace-remark{color:var(--muted);font-size:13px}
.trace-gps{margin-top:10px;padding:13px 16px;background:linear-gradient(120deg,#eafaf1,#e2f7ec);border-radius:12px;color:#0a7a3d;font-size:14px}
.trace-gps-tag{display:inline-block;background:#0a7a3d;color:#fff;border-radius:6px;padding:1px 9px;margin-right:8px;font-size:12px;font-weight:700}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:linear-gradient(180deg,#152238 0%,#0b1626 100%);color:#aeb9cc;margin-top:90px}
.site-footer:before{content:"";display:block;height:4px;background:linear-gradient(90deg,var(--primary),var(--accent))}
.footer-inner{padding:56px 24px 28px}
.footer-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:40px}
.footer-col h4{color:#fff;font-size:16px;font-weight:700;margin-bottom:18px}
.footer-col ul li{margin-bottom:10px}
.footer-col a{color:#aeb9cc;transition:.2s}
.footer-col a:hover{color:#fff;padding-left:4px}
.footer-contact{font-size:13px;line-height:2}
.footer-bottom{margin-top:40px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);font-size:13px;text-align:center;line-height:2}
.footer-bottom a{color:#aeb9cc}

/* ---------- 动画 ---------- */
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes fadeUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
.home-section,.page-banner,.layout,.trace-result{animation:fadeUp .5s ease both}

/* ---------- 响应式 ---------- */
@media(max-width:900px){
	.grid.products{grid-template-columns:repeat(2,1fr)}
	.layout{grid-template-columns:1fr}
	.sidebar{position:static}
	.footer-cols{grid-template-columns:1fr}
	.home-hero h1{font-size:38px}
}
@media(max-width:640px){
	.nav-toggle{display:flex}
	.site-nav{display:none;position:absolute;top:70px;left:0;right:0;background:#fff;box-shadow:0 18px 40px rgba(0,0,0,.12);border-radius:0 0 18px 18px}
	.site-nav.open{display:block}
	.site-nav ul{flex-direction:column;padding:12px}
	.site-nav a{padding:13px 18px;border-radius:12px}
	.home-hero{padding:64px 0 80px}
	.home-hero h1{font-size:32px}
	.grid.products{grid-template-columns:1fr}
	.hero-trace{flex-direction:column;border-radius:24px}
	.hero-trace button{width:100%}
	.form-grid{grid-template-columns:1fr}
	.article-img{float:none;max-width:100%;margin:0 0 14px}
}