/* 老兵电商集团站 · 企业官网（传统门户布局） */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --red: #c8102e;
    --red-dark: #9e0d24;
    --navy: #1a2238;
    --bg: #f4f6f8;
    --card: #ffffff;
    --text: #222;
    --muted: #666;
    --line: #e6e8ec;
    --shadow: 0 8px 28px rgba(26, 34, 56, 0.08);
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.75;
    overflow-x: hidden;
}

a { color: var(--red); text-decoration: none; }
img { max-width: 100%; display: block; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* 顶栏电话条 */
.topbar {
    background: var(--navy); color: #cfd6e4; font-size: 12px; padding: 6px 0;
}
.topbar .container { display: flex; justify-content: space-between; }
.topbar a { color: #fff; }

/* 导航 */
.navbar {
    position: sticky; top: 0; z-index: 1000;
    background: #fff; border-bottom: 2px solid var(--red);
    box-shadow: 0 2px 10px rgba(0,0,0,.04);
}
.nav-wrap {
    max-width: 1200px; margin: 0 auto; padding: 0 20px;
    display: flex; align-items: center; justify-content: space-between;
    min-height: 68px;
}
.logo { font-size: 22px; font-weight: 800; color: var(--navy); }
.logo .hl { color: var(--red); }
.logo .sub { font-size: 12px; font-weight: 500; color: #999; margin-left: 8px; }
.nav-links { display: flex; align-items: center; list-style: none; }
.nav-links > li { position: relative; }
.nav-links a {
    display: block; padding: 22px 14px;
    color: #333; font-size: 15px; font-weight: 500;
}
.nav-links a:hover, .nav-links a.active { color: var(--red); }
.nav-links .btn-cta {
    margin-left: 8px; padding: 8px 16px;
    background: var(--red); color: #fff !important; border-radius: 2px;
}
.nav-drop > a::after { content: ' ▾'; font-size: 10px; color: #999; }
.drop-menu {
    display: none; position: absolute; top: 100%; left: 0; min-width: 180px;
    background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow);
}
.nav-drop:hover .drop-menu { display: block; }
.drop-menu a { padding: 10px 16px; font-size: 13px; border-bottom: 1px solid #f3f3f3; }
.drop-menu a:hover { background: #fff5f6; color: var(--red); }

.menu-toggle {
    display: none; background: none; border: none; font-size: 24px; cursor: pointer;
}
.mobile-menu {
    display: none; position: fixed; inset: 0; z-index: 2000;
    background: #fff; flex-direction: column; align-items: center; justify-content: center;
}
.mobile-menu.open { display: flex; }
.mobile-menu a { padding: 12px; font-size: 17px; color: #333; }
.mobile-close { position: absolute; top: 16px; right: 20px; border: 0; background: none; font-size: 28px; }

/* 全幅头图 */
.hero {
    min-height: 420px; padding: 90px 0 80px;
    background:
        linear-gradient(120deg, rgba(26,34,56,.88), rgba(200,16,46,.55)),
        repeating-linear-gradient(135deg, transparent, transparent 18px, rgba(255,255,255,.04) 18px, rgba(255,255,255,.04) 19px),
        #1a2238;
    color: #fff;
}
.hero-kicker { font-size: 13px; letter-spacing: .2em; color: #ffd0d6; margin-bottom: 14px; }
.hero h1 { font-size: 42px; line-height: 1.3; font-weight: 900; margin-bottom: 16px; }
.hero h1 em { font-style: normal; color: #ffd166; }
.hero-desc { max-width: 720px; color: #f0f0f0; margin-bottom: 28px; font-size: 16px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 10px 22px; font-size: 14px; font-weight: 600; border-radius: 2px;
}
.btn-primary { background: var(--red); color: #fff; }
.btn-primary:hover { background: var(--red-dark); }
.btn-ghost { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.6); }
.btn-line { background: #fff; color: var(--red); border: 1px solid var(--red); }
.page-actions .btn-ghost, .prose .btn-ghost {
    color: var(--red); border: 1px solid var(--red); background: #fff;
}

/* 工具箱条 */
.toolbox {
    margin-top: -48px; position: relative; z-index: 2;
}
.toolbox-box {
    background: #fff; box-shadow: var(--shadow); padding: 32px 36px;
    display: grid; grid-template-columns: 1.2fr .8fr; gap: 24px; align-items: center;
}
.toolbox h2 { font-size: 26px; color: var(--navy); margin-bottom: 10px; }
.toolbox h2 span { color: var(--red); }
.toolbox p { color: var(--muted); font-size: 14px; }
.mods { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.mods span {
    padding: 5px 10px; background: #fff5f6; color: var(--red);
    border: 1px solid #f3c5cc; font-size: 12px;
}

/* 区块标题 */
.section { padding: 70px 0; background: #fff; }
.section.alt { background: var(--bg); }
.sec-head { text-align: center; margin-bottom: 36px; }
.sec-en { color: var(--red); font-size: 12px; letter-spacing: .18em; text-transform: uppercase; }
.sec-head h2 { font-size: 30px; margin: 6px 0 8px; color: var(--navy); }
.sec-head p { color: var(--muted); font-size: 14px; }

/* 新闻双栏 */
.news-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.news-col { background: #fff; border: 1px solid var(--line); padding: 8px 8px 4px; }
.news-col h3 {
    font-size: 16px; padding: 12px 14px 10px;
    border-bottom: 2px solid var(--red); color: var(--navy);
}
.news-item {
    display: grid; grid-template-columns: 64px 1fr; gap: 12px;
    padding: 14px; border-bottom: 1px dashed var(--line); color: inherit;
}
.news-item:hover h4 { color: var(--red); }
.news-date { text-align: center; color: var(--red); }
.news-date .d { font-size: 24px; font-weight: 800; line-height: 1; }
.news-date .m { font-size: 11px; color: #999; }
.news-item h4 { font-size: 15px; color: #222; margin-bottom: 4px; font-weight: 600; }
.news-item p { font-size: 12px; color: #888; }

/* 历程 */
.timeline {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
}
.tl {
    background: #fff; border-top: 3px solid var(--red); padding: 18px 16px;
    box-shadow: var(--shadow); min-height: 150px;
}
.tl b { display: block; color: var(--red); font-size: 20px; margin-bottom: 8px; }
.tl p { font-size: 13px; color: #555; }

/* 业务中心 */
.biz-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; }
.biz-card {
    display: block; text-align: center; padding: 28px 10px;
    background: #fff; border: 1px solid var(--line); color: var(--navy);
}
.biz-card:hover { border-color: var(--red); color: var(--red); box-shadow: var(--shadow); }
.biz-card .ico { font-size: 32px; margin-bottom: 10px; }
.biz-card h3 { font-size: 16px; }

/* 团队 */
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.team-card { background: #fff; overflow: hidden; border: 1px solid var(--line); }
.team-pic {
    height: 140px;
    background: linear-gradient(135deg, #1a2238, #c8102e);
    color: #fff; display: flex; align-items: center; justify-content: center;
    font-size: 36px;
}
.team-card h4 { padding: 12px 12px 4px; font-size: 14px; }
.team-card p { padding: 0 12px 14px; font-size: 12px; color: #888; }

/* 关于 */
.about-grid { display: grid; grid-template-columns: 1.3fr .7fr; gap: 40px; align-items: start; }
.about-copy p { color: #555; margin-bottom: 12px; font-size: 14px; }
.stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.stat { background: var(--navy); color: #fff; padding: 18px 10px; text-align: center; }
.stat b { display: block; font-size: 26px; color: #ffd166; }
.stat span { font-size: 12px; color: #cfd6e4; }

.cta-band { text-align: center; background: var(--navy); color: #fff; padding: 56px 0; }
.cta-band h2 { margin-bottom: 10px; }
.cta-band p { color: #cfd6e4; margin-bottom: 20px; }

/* 内页 */
.page-banner {
    padding: 48px 0;
    background: linear-gradient(120deg, #1a2238, #c8102e);
    color: #fff;
}
.crumb { font-size: 12px; color: #ffd0d6; margin-bottom: 8px; }
.crumb a { color: #fff; }
.page-banner h1 { font-size: 32px; margin-bottom: 8px; }
.page-banner .lead { color: #f3f3f3; max-width: 800px; font-size: 14px; }

.prose {
    background: #fff; margin: 24px auto 56px; padding: 36px 40px;
    border: 1px solid var(--line);
}
.prose h2 { font-size: 20px; color: var(--navy); margin: 26px 0 10px; border-left: 4px solid var(--red); padding-left: 10px; }
.prose h2:first-child { margin-top: 0; }
.prose p { color: #444; margin-bottom: 12px; }
.prose ul, .prose ol { padding-left: 20px; margin-bottom: 14px; color: #444; }
.feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin: 16px 0; }
.feature { padding: 14px; border: 1px solid var(--line); background: #fafafa; }
.feature h3 { font-size: 15px; margin-bottom: 6px; }
.feature p { font-size: 13px; color: #666; margin: 0; }
.page-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 22px; }
.article-meta { font-size: 13px; color: #888; margin-bottom: 18px; }
.related { margin-top: 28px; padding-top: 16px; border-top: 1px solid var(--line); }
.related a { display: block; padding: 5px 0; font-size: 14px; }

.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 24px auto 56px; }
.contact-card { background: #fff; padding: 24px; border: 1px solid var(--line); }
.contact-card .val { font-size: 24px; font-weight: 800; color: var(--red); }

.news-list { background: #fff; border: 1px solid var(--line); margin-bottom: 56px; }

.footer { background: #141824; color: #9aa3b5; padding: 40px 0 20px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 24px; margin-bottom: 24px; }
.footer h5 { color: #fff; margin-bottom: 12px; font-size: 14px; }
.footer p, .footer a { font-size: 13px; color: #9aa3b5; }
.footer a { display: block; margin-bottom: 7px; }
.footer a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid #2a3144; padding-top: 14px; text-align: center; font-size: 12px; }

@media (max-width: 1024px) {
    .toolbox-box, .news-cols, .about-grid, .footer-grid, .contact-grid, .feature-grid { grid-template-columns: 1fr; }
    .biz-grid { grid-template-columns: repeat(3, 1fr); }
    .timeline, .team-grid { grid-template-columns: repeat(2, 1fr); }
    .hero h1 { font-size: 30px; }
}
@media (max-width: 768px) {
    .nav-links { display: none; }
    .menu-toggle { display: block; }
    .biz-grid { grid-template-columns: repeat(2, 1fr); }
    .prose { padding: 20px 16px; }
    .topbar .container { flex-direction: column; gap: 4px; }
}