/* ============================================
   星诚供需平台 - 行业报告样式表 v1.0
   ============================================ */

/* --- 基础重置 & 排版 --- */
body {
    font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
    background: #f8fafc;
    color: #1e293b;
    line-height: 1.8;
    margin: 0;
    padding: 0;
}

/* --- 顶部导航 --- */
.top-bar {
    background: #fff;
    border-bottom: 1px solid #e2e8f0;
    padding: 14px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(8px);
    background: rgba(255,255,255,.95);
}
.top-bar .logo {
    font-size: 17px;
    font-weight: 800;
    color: #1e293b;
    text-decoration: none;
    letter-spacing: -.3px;
}
.top-bar .logo span { color: #e65100; }
.top-bar .nav-links {
    display: flex;
    gap: 8px;
    align-items: center;
}
.top-bar .nav-links a {
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    color: #64748b;
    padding: 6px 14px;
    border-radius: 8px;
    transition: all .2s;
}
.top-bar .nav-links a:hover {
    color: #6366f1;
    background: #f1f5f9;
}
.top-bar .nav-links .btn-register {
    background: linear-gradient(135deg, #6366f1, #4f46e5);
    color: #fff !important;
    padding: 7px 18px;
    border-radius: 8px;
    font-weight: 600;
}
.top-bar .nav-links .btn-register:hover {
    transform: translateY(-1px);
    box-shadow: 0 3px 10px rgba(99,102,241,.3);
    background: none;
}

/* --- 报告头部H1 --- */
.report-header {
    background: linear-gradient(135deg, #1e3a5f 0%, #1a5a8a 50%, #0891b2 100%);
    color: #fff;
    padding: 48px 24px 44px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.report-header::before {
    content: '';
    position: absolute;
    top: -60%;
    left: -20%;
    width: 140%;
    height: 140%;
    background: radial-gradient(ellipse, rgba(255,255,255,.06) 0%, transparent 70%);
    pointer-events: none;
}
.report-header h1 {
    font-size: 28px;
    font-weight: 800;
    margin: 0 0 8px;
    letter-spacing: -.5px;
    position: relative;
}
.report-header .subtitle {
    font-size: 14px;
    color: rgba(255,255,255,.75);
    margin: 0 0 20px;
    position: relative;
}
.report-header .meta-tags {
    display: flex;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
    position: relative;
}
.report-header .meta-tags span {
    background: rgba(255,255,255,.15);
    padding: 4px 14px;
    border-radius: 20px;
    font-size: 12px;
    backdrop-filter: blur(4px);
}

/* --- 关键数据仪表盘 --- */
.stats-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    padding: 0 20px;
    margin-top: -24px;
    margin-bottom: 28px;
    position: relative;
    z-index: 2;
}
.stats-bar .stat-item {
    background: #fff;
    border-radius: 12px;
    padding: 18px 22px;
    min-width: 90px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0,0,0,.06);
    border: 1px solid #e2e8f0;
    flex: 0 1 auto;
}
.stats-bar .stat-item .value {
    font-size: 22px;
    font-weight: 800;
    color: #1e3a5f;
    line-height: 1.2;
}
.stats-bar .stat-item .label {
    font-size: 11px;
    color: #94a3b8;
    margin-top: 2px;
}

/* --- 正文卡片 --- */
.container {
    max-width: 820px;
    margin: 0 auto;
    padding: 0 20px 60px;
}
.card {
    background: #fff;
    border-radius: 14px;
    padding: 28px 30px;
    margin: 20px 0;
    border: 1px solid #e2e8f0;
    box-shadow: 0 2px 12px rgba(0,0,0,.03);
    transition: box-shadow .3s;
}
.card:hover { box-shadow: 0 4px 24px rgba(0,0,0,.06); }
.card h2 {
    font-size: 20px;
    font-weight: 700;
    color: #1e293b;
    margin: 0 0 14px;
    padding-bottom: 10px;
    border-bottom: 2px solid #f1f5f9;
}
.card h3 {
    font-size: 16px;
    font-weight: 600;
    color: #334155;
    margin: 18px 0 8px;
}
.card p {
    font-size: 15px;
    line-height: 1.9;
    color: #475569;
    margin: 0 0 12px;
}
.card ul, .card ol {
    font-size: 15px;
    color: #475569;
    line-height: 1.8;
    padding-left: 20px;
}
.card li { margin-bottom: 6px; }
.card .source {
    font-size: 12px;
    color: #94a3b8;
    margin-top: 10px;
    text-align: right;
}

/* --- 解锁区域 --- */
.unlock-section {
    text-align: center;
    padding: 40px 20px;
    background: linear-gradient(135deg, #1e3a5f, #0891b2);
    border-radius: 14px;
    margin: 24px 0;
    color: #fff;
}
.unlock-section .icon { font-size: 40px; margin-bottom: 10px; }
.unlock-section h3 {
    color: #fff;
    font-size: 18px;
    font-weight: 700;
    margin: 0 0 8px;
}
.unlock-section p {
    color: rgba(255,255,255,.75);
    font-size: 13px;
    margin: 0 0 18px;
    line-height: 1.6;
}
.unlock-section .btn {
    display: inline-block;
    padding: 11px 36px;
    background: #fff;
    color: #1e3a5f;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
    transition: all .25s;
}
.unlock-section .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0,0,0,.2);
}
.unlock-section .btn-small {
    padding: 8px 20px;
    font-size: 13px;
    background: rgba(255,255,255,.15);
    color: #fff;
    margin-top: 8px;
    display: inline-block;
    border-radius: 6px;
    text-decoration: none;
    transition: all .2s;
}
.unlock-section .btn-small:hover {
    background: rgba(255,255,255,.25);
}

/* --- 底部CTA --- */
.footer-cta {
    background: linear-gradient(135deg, #f0f4ff, #e0e7ff);
    border-radius: 14px;
    padding: 36px 24px;
    text-align: center;
    margin: 24px 0;
    border: 1px solid #c7d2fe;
}
.footer-cta h3 {
    font-size: 18px;
    font-weight: 700;
    color: #1e293b;
    margin: 0 0 6px;
}
.footer-cta p {
    font-size: 13px;
    color: #64748b;
    margin: 0 0 16px;
}
.footer-cta .btn {
    display: inline-block;
    padding: 11px 32px;
    background: linear-gradient(135deg, #6366f1, #4f46e5);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
    transition: all .25s;
}
.footer-cta .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(99,102,241,.3);
}

/* --- 页脚 --- */
.site-footer {
    background: #1e293b;
    color: #94a3b8;
    text-align: center;
    padding: 24px;
    font-size: 12px;
    line-height: 1.8;
}
.site-footer a {
    color: #94a3b8;
    text-decoration: none;
}
.site-footer a:hover {
    color: #fff;
}

/* --- 表格 --- */
.card table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
    margin: 12px 0;
}
.card th {
    background: #f1f5f9;
    font-weight: 600;
    color: #334155;
    padding: 10px 12px;
    text-align: left;
    border-bottom: 2px solid #e2e8f0;
}
.card td {
    padding: 10px 12px;
    border-bottom: 1px solid #f1f5f9;
    color: #475569;
}
.card tr:hover td { background: #f8fafc; }

/* --- 响应式 --- */
@media (max-width: 640px) {
    .report-header { padding: 32px 16px 28px; }
    .report-header h1 { font-size: 22px; }
    .stats-bar .stat-item { padding: 12px 16px; min-width: 70px; }
    .stats-bar .stat-item .value { font-size: 18px; }
    .card { padding: 20px 16px; }
    .card h2 { font-size: 17px; }
    .card p, .card li { font-size: 14px; }
    .container { padding: 0 12px 40px; }
    .top-bar { padding: 10px 14px; }
    .top-bar .nav-links a { font-size: 12px; padding: 5px 10px; }
    .footer-cta { padding: 24px 16px; }
}

/* --- 打印优化 --- */
@media print {
    .top-bar, .footer-cta, .site-footer, .unlock-section { display: none; }
    .card { box-shadow: none; border: 1px solid #ddd; page-break-inside: avoid; }
    body { background: #fff; }
}