:root {
    --primary: #1e88e5;
    --primary-dark: #1565c0;
    --text-main: #1f2d3d;
    --text-sub: #6b7280;
    --bg-light: #f5f7fa;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
    color: var(--text-main);
    line-height: 1.6;
}

.container {
    width: 1200px;
    max-width: 92%;
    margin: 0 auto;
}

header {
    background: white;
    border-bottom: 1px solid #eee;
    position: sticky;
    top: 0;
    z-index: 10;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-size: 20px;
    font-weight: 600;
}

nav a {
    text-decoration: none;
    color: var(--text-main);
    margin-left: 25px;
    font-size: 14px;
}

nav a:hover { color: var(--primary); }

.hero {
    background: linear-gradient(135deg,#1e88e5,#1565c0);
    color: white;
    text-align: center;
    padding: 100px 20px;
}

.hero h1 { font-size: 40px; margin-bottom: 15px; }
.hero p { margin-bottom: 30px; }

.btn {
    display: inline-block;
    padding: 10px 24px;
    border-radius: 30px;
    text-decoration: none;
    font-size: 14px;
    transition: 0.3s;
}

.btn-primary {
    background: white;
    color: var(--primary);
}

.btn-outline {
    border: 1px solid white;
    color: white;
}

.section { padding: 80px 0; }

.section-title {
    text-align: center;
    font-size: 28px;
    margin-bottom: 20px;
}

.section-desc {
    text-align: center;
    color: var(--text-sub);
    max-width: 700px;
    margin: 0 auto 40px auto;
}

.bg-light { background: var(--bg-light); }

.card-grid {
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 30px;
}

.card {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 6px 30px rgba(0,0,0,0.05);
    transition: 0.3s;
}

.card:hover { transform: translateY(-6px); }

.doc-entry { text-align: center; margin-top: 40px; }

.query-box { text-align: center; margin-bottom: 30px; }

.query-box input {
    width: 300px;
    padding: 10px;
    border-radius: 6px;
    border: 1px solid #ccc;
}

.query-box button {
    padding: 10px 20px;
    border: none;
    background: var(--primary);
    color: white;
    border-radius: 6px;
    margin-left: 10px;
    cursor: pointer;
}

.waybill-card {
    background: white;
    padding: 30px;
    border-radius: 14px;
    box-shadow: 0 6px 30px rgba(0,0,0,0.08);
}

.waybill-header {
    display: flex;
    justify-content: space-between;
    border-bottom: 1px solid #eee;
    padding-bottom: 20px;
    margin-bottom: 20px;
}

.status {
    background: var(--primary);
    color: white;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 13px;
}

.waybill-info {
    display: grid;
    grid-template-columns: repeat(2,1fr);
    gap: 10px;
    font-size: 14px;
    margin-bottom: 30px;
}

.timeline-item {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
}

.dot {
    width: 10px;
    height: 10px;
    background: var(--primary);
    border-radius: 50%;
    margin-top: 6px;
}

footer {
    background: #111;
    color: #ccc;
    padding: 40px 0;
    text-align: center;
    font-size: 14px;
}