/* ==========================================================
   官方主页 · 前端样式（现代科技蓝）
   ========================================================== */
:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --accent: #0ea5e9;
    --dark: #0f172a;
    --text: #334155;
    --muted: #7c8aa0;
    --border: #e6ebf4;
    --bg-soft: #f5f8ff;
    --radius: 14px;
    --shadow: 0 10px 30px rgba(15, 23, 42, .08);
    --shadow-lg: 0 20px 50px rgba(31, 77, 148, .14);
    --maxw: 1200px;
    /* 主题风格（后台可配）派生变量 */
    --primary-rgb: 37, 99, 235;
    --accent-rgb: 14, 165, 233;
    --surface: #fff;          /* 卡片 / 表单背景 */
    --page-bg: #fff;          /* 页面底色 */
    --hero-a: rgba(var(--primary-rgb), .12);
    --hero-b: #fbfdff;
    --hero-c: rgba(var(--accent-rgb), .16);
    --soft-a: rgba(var(--primary-rgb), .16);
    --soft-b: rgba(var(--accent-rgb), .20);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    color: var(--text);
    background: var(--page-bg);
    line-height: 1.75;
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a { color: var(--primary); text-decoration: none; transition: .2s; -webkit-tap-highlight-color: rgba(0, 0, 0, .06); }
a, button { touch-action: manipulation; }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; display: block; }
h1, h2, h3, h4 { color: var(--dark); line-height: 1.35; margin: 0 0 14px; font-weight: 700; }
p { margin: 0 0 14px; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* ---------- 顶部导航 ---------- */
.navbar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    background: rgba(255, 255, 255, .92);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid transparent;
    transition: .3s;
}
.navbar.scrolled { box-shadow: 0 4px 20px rgba(15, 23, 42, .07); border-bottom-color: var(--border); }
.nav-inner { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; height: 68px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 19px; color: var(--dark); letter-spacing: .3px; }
.brand-logo {
    width: 38px; height: 38px; border-radius: 10px; display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff; font-size: 16px; font-weight: 800; letter-spacing: 0;
    box-shadow: 0 6px 16px rgba(var(--primary-rgb), .3);
}
.brand-logo img { width: 38px; height: 38px; border-radius: 10px; object-fit: cover; }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
    padding: 8px 14px; border-radius: 8px; color: var(--text); font-size: 14.5px; font-weight: 500;
}
.nav-links a:hover, .nav-links a.active { color: var(--primary); background: rgba(var(--primary-rgb), .08); }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--dark); margin: 4px 0; transition: .3s; }

/* ---------- Hero ---------- */
.hero {
    position: relative; padding: 170px 0 120px; overflow: hidden;
    background: linear-gradient(135deg, var(--hero-a) 0%, var(--hero-b) 45%, var(--hero-c) 100%);
}
.hero::before {
    content: ''; position: absolute; inset: 0;
    background-image: linear-gradient(rgba(var(--primary-rgb), .05) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(var(--primary-rgb), .05) 1px, transparent 1px);
    background-size: 46px 46px; mask-image: radial-gradient(circle at 50% 30%, #000 40%, transparent 75%);
    -webkit-mask-image: radial-gradient(circle at 50% 30%, #000 40%, transparent 75%);
}
.hero-blob { position: absolute; border-radius: 50%; filter: blur(60px); opacity: .5; }
.hero-blob.b1 { width: 380px; height: 380px; background: var(--primary-light); top: -80px; right: -60px; }
.hero-blob.b2 { width: 300px; height: 300px; background: var(--accent); bottom: -100px; left: -60px; opacity: .35; }
.hero .container { position: relative; z-index: 2; }
.slide { display: none; text-align: center; max-width: 820px; margin: 0 auto; }
.slide.active { display: block; animation: fadeUp .6s ease; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
.hero h1 { font-size: 46px; letter-spacing: -.5px; margin-bottom: 18px; }
.hero h1 em { font-style: normal; background: linear-gradient(135deg, var(--primary), var(--accent)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.lead { font-size: 18px; color: #55637d; margin-bottom: 32px; }
.hero-dots { display: flex; justify-content: center; gap: 8px; margin-top: 46px; }
.hero-dots span { width: 26px; height: 4px; border-radius: 3px; background: rgba(var(--primary-rgb), .22); cursor: pointer; transition: .3s; }
.hero-dots span.active { background: var(--primary); width: 40px; }

/* ---------- 按钮 ---------- */
.btn {
    display: inline-flex; align-items: center; gap: 8px; padding: 12px 26px; border-radius: 10px;
    font-size: 15px; font-weight: 600; border: 1px solid transparent; cursor: pointer; transition: .25s;
}
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: #fff; box-shadow: 0 8px 20px rgba(var(--primary-rgb), .28); }
.btn-primary:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 12px 26px rgba(var(--primary-rgb), .36); }
.btn-outline { border-color: var(--primary); color: var(--primary); background: var(--surface); }
.btn-outline:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }

/* ---------- 区块通用 ---------- */
.section { padding: 90px 0; }
.section.soft { background: var(--bg-soft); }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 52px; }
.section-tag { font-size: 12px; letter-spacing: 3px; color: var(--primary); font-weight: 700; text-transform: uppercase; margin-bottom: 10px; }
.section-head h2 { font-size: 34px; margin-bottom: 12px; }
.section-head p { color: var(--muted); font-size: 15.5px; }
.divider { width: 56px; height: 4px; border-radius: 3px; background: linear-gradient(90deg, var(--primary), var(--accent)); margin: 16px auto 0; }

/* ---------- 数据统计 ---------- */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 20px; margin-top: -60px; position: relative; z-index: 5; }
.stat-card { background: var(--surface); border-radius: var(--radius); padding: 28px 20px; text-align: center; box-shadow: var(--shadow); border: 1px solid var(--border); }
.stat-card strong { display: block; font-size: 34px; color: var(--primary); line-height: 1.2; }
.stat-card span { color: var(--muted); font-size: 14px; }

/* ---------- 关于 ---------- */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.about-img { position: relative; }
.about-img .frame {
    border-radius: 18px; overflow: hidden; background: linear-gradient(135deg, var(--soft-a), var(--soft-b));
    aspect-ratio: 4 / 3; display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow-lg);
}
.about-img .frame img { width: 100%; height: 100%; object-fit: cover; }
.about-img .badge {
    position: absolute; bottom: -20px; left: -20px; background: var(--surface); border-radius: 12px; padding: 16px 22px;
    box-shadow: var(--shadow-lg); text-align: center;
}
.about-img .badge strong { display: block; font-size: 26px; color: var(--primary); }
.about-img .badge span { font-size: 12px; color: var(--muted); }
.skills { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.skills span {
    background: rgba(var(--primary-rgb), .08); color: var(--primary); border: 1px solid rgba(var(--primary-rgb), .16);
    padding: 6px 14px; border-radius: 30px; font-size: 13px; font-weight: 600;
}

/* ---------- 卡片网格 ---------- */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 26px; }
.card {
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden;
    transition: .3s; display: flex; flex-direction: column;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(var(--primary-rgb), .25); }
.card-cover { height: 190px; background: linear-gradient(135deg, var(--soft-a), var(--soft-b)); position: relative; overflow: hidden; }
.card-cover img { width: 100%; height: 100%; object-fit: cover; transition: .4s; }
.card:hover .card-cover img { transform: scale(1.06); }
.card-cover .cat {
    position: absolute; top: 14px; left: 14px; background: rgba(255, 255, 255, .95); color: var(--primary);
    font-size: 12px; font-weight: 700; padding: 5px 12px; border-radius: 20px;
}
.card-body { padding: 22px; flex: 1; display: flex; flex-direction: column; }
.card-body h3 { font-size: 18.5px; margin-bottom: 8px; }
.card-body .sub { color: var(--primary); font-size: 13px; font-weight: 600; margin-bottom: 10px; }
.card-body p { color: var(--muted); font-size: 14px; flex: 1; }
.card-meta { display: flex; justify-content: space-between; align-items: center; margin-top: 14px; padding-top: 14px; border-top: 1px dashed var(--border); font-size: 13px; color: #98a5b8; }

/* ---------- 新闻列表 ---------- */
.news-item {
    display: grid; grid-template-columns: 190px 1fr; gap: 24px; background: var(--surface); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 18px; margin-bottom: 18px; transition: .3s; align-items: center;
}
.news-item:hover { box-shadow: var(--shadow); border-color: rgba(var(--primary-rgb), .25); }
.news-thumb { height: 120px; border-radius: 10px; background: linear-gradient(135deg, var(--soft-a), var(--soft-b)); overflow: hidden; }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; }
.news-item h3 { font-size: 18px; margin-bottom: 8px; }
.news-item p { color: var(--muted); font-size: 14px; margin-bottom: 8px; }
.news-meta { font-size: 13px; color: #9aa7ba; display: flex; gap: 16px; flex-wrap: wrap; }
.tag-top { background: #fff1f1; color: #e11d48; font-size: 12px; padding: 2px 8px; border-radius: 4px; font-weight: 700; }

/* ---------- 联系 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 44px; }
.contact-list { list-style: none; padding: 0; margin: 0 0 24px; }
.contact-list li { display: flex; gap: 14px; padding: 14px 0; border-bottom: 1px dashed var(--border); }
.contact-list .ic {
    width: 42px; height: 42px; flex: none; border-radius: 11px; background: rgba(var(--primary-rgb), .09);
    color: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 18px;
}
.contact-list b { display: block; color: var(--dark); font-size: 14px; }
.contact-list span { color: var(--muted); font-size: 14px; }
.form-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow); }
.form-row { display: flex; gap: 14px; }
.form-group { margin-bottom: 16px; flex: 1; }
.form-group label { display: block; font-size: 13px; font-weight: 600; color: var(--dark); margin-bottom: 7px; }
.form-group input, .form-group textarea {
    width: 100%; padding: 11px 14px; border: 1px solid #dbe3f0; border-radius: 9px; font-size: 14px;
    font-family: inherit; outline: none; transition: .2s; background: #fbfcff; color: var(--text);
}
.form-group input:focus, .form-group textarea:focus { border-color: var(--primary); background: var(--surface); box-shadow: 0 0 0 3px rgba(var(--primary-rgb), .1); }
.form-group textarea { min-height: 120px; resize: vertical; }

/* ---------- 页脚 ---------- */
.footer { background: var(--dark); color: #94a3b8; padding: 60px 0 0; margin-top: 0; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 40px; padding-bottom: 40px; }
.footer h4 { color: #fff; font-size: 16px; margin-bottom: 18px; }
.footer .brand { color: #fff; margin-bottom: 14px; font-size: 18px; }
.footer p { font-size: 14px; line-height: 1.9; }
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer ul li { margin-bottom: 10px; font-size: 14px; }
.footer ul a { color: #94a3b8; }
.footer ul a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, .08); padding: 20px 0; font-size: 13px; text-align: center; }
.socials { display: flex; gap: 10px; margin-top: 16px; }
.socials a {
    width: 36px; height: 36px; border-radius: 9px; background: rgba(255, 255, 255, .08); color: #cbd5e1;
    display: flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 600;
}
.socials a:hover { background: var(--primary); color: #fff; }

/* ---------- 内页头图 ---------- */
.page-banner {
    padding: 140px 0 70px; text-align: center; color: #fff; position: relative; overflow: hidden;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 55%, var(--accent) 100%);
}
.page-banner::after {
    content: ''; position: absolute; inset: 0; opacity: .18;
    background-image: radial-gradient(circle at 20% 20%, #fff 1px, transparent 1px),
                      radial-gradient(circle at 70% 60%, #fff 1px, transparent 1px);
    background-size: 60px 60px;
}
.page-banner .container { position: relative; z-index: 2; }
.page-banner h1 { color: #fff; font-size: 36px; margin-bottom: 10px; }
.page-banner p { color: rgba(255, 255, 255, .8); }
.breadcrumb { font-size: 13px; color: rgba(255, 255, 255, .65); margin-bottom: 12px; }
.breadcrumb a { color: rgba(255, 255, 255, .8); }

/* ---------- 文章正文 ---------- */
.article { max-width: 820px; margin: 0 auto; }
.article-head { text-align: center; margin-bottom: 34px; }
.article-head h1 { font-size: 32px; }
.article-meta { color: #9aa7ba; font-size: 14px; display: flex; gap: 18px; justify-content: center; flex-wrap: wrap; }
.article-content { font-size: 16px; line-height: 1.95; color: #3d4d63; }
.article-content img { border-radius: 12px; margin: 16px 0; }
.article-content h2 { font-size: 24px; margin-top: 34px; }
.article-content h3 { font-size: 19px; margin-top: 26px; }
.article-content blockquote { margin: 20px 0; padding: 14px 20px; border-left: 4px solid var(--primary); background: var(--bg-soft); border-radius: 0 8px 8px 0; color: #55637d; }
.article-content ul, .article-content ol { padding-left: 22px; }
.article-nav { display: flex; justify-content: space-between; gap: 20px; margin-top: 46px; padding-top: 22px; border-top: 1px solid var(--border); font-size: 14px; }

/* ---------- 分页 ---------- */
.pager { display: flex; gap: 8px; justify-content: center; margin-top: 40px; flex-wrap: wrap; }
.pager a { padding: 9px 15px; border: 1px solid var(--border); border-radius: 9px; color: var(--text); font-size: 14px; background: var(--surface); }
.pager a:hover, .pager a.active { background: var(--primary); border-color: var(--primary); color: #fff; }

/* ---------- 提示条 ---------- */
.alert { padding: 13px 18px; border-radius: 10px; margin-bottom: 24px; font-size: 14px; }
.alert-success { background: #ecfdf5; border: 1px solid #a7f3d0; color: #047857; }
.alert-error { background: #fef2f2; border: 1px solid #fecaca; color: #b91c1c; }

/* ---------- 空状态 ---------- */
.empty { text-align: center; padding: 70px 20px; color: var(--muted); }
.empty .ico { font-size: 46px; opacity: .5; margin-bottom: 12px; }

/* ---------- 返回顶部 ---------- */
.to-top {
    position: fixed; right: 24px; bottom: 24px; width: 44px; height: 44px; border-radius: 12px;
    background: var(--primary); color: #fff; display: none; align-items: center; justify-content: center;
    cursor: pointer; box-shadow: 0 8px 20px rgba(var(--primary-rgb), .35); z-index: 90; font-size: 18px;
}
.to-top.show { display: flex; }

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
    .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 32px; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .hero { padding: 140px 0 90px; }
    .hero h1 { font-size: 34px; }
    .section { padding: 64px 0; }
    .section-head h2 { font-size: 27px; }
    .about-img .badge { bottom: -14px; left: 10px; padding: 12px 16px; }
}
@media (max-width: 640px) {
    .container { padding: 0 16px; }
    .nav-inner { padding: 0 16px; height: 60px; }
    .brand { font-size: 17px; }
    .brand-logo { width: 34px; height: 34px; }
    .nav-toggle { display: block; }
    .nav-links {
        position: absolute; top: 60px; left: 0; right: 0; background: var(--surface); flex-direction: column;
        align-items: stretch; padding: 10px 16px 18px; box-shadow: 0 12px 24px rgba(15, 23, 42, .1);
        display: none; max-height: calc(100vh - 60px); overflow-y: auto;
    }
    .nav-links.open { display: flex; }
    .nav-links a { padding: 13px 10px; border-bottom: 1px solid #f1f4f9; font-size: 15px; }

    /* 首屏 */
    .hero { padding: 112px 0 64px; }
    .hero h1 { font-size: 26px; margin-bottom: 12px; }
    .hero p.lead { font-size: 15px; margin-bottom: 24px; }
    .hero-dots { margin-top: 32px; }

    /* 数据统计：负间距取消，改两列 */
    .stats { grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 0; }
    .stat-card { padding: 20px 10px; }
    .stat-card strong { font-size: 25px; }
    .stat-card span { font-size: 12.5px; }

    /* 区块 */
    .section { padding: 52px 0; }
    .section-head { margin-bottom: 32px; }
    .section-head h2 { font-size: 22px; }
    .section-tag { letter-spacing: 2px; }

    /* 卡片 / 列表 */
    .grid { grid-template-columns: 1fr; gap: 18px; }
    .card-cover { height: 165px; }
    .card-body { padding: 18px; }
    .news-item { grid-template-columns: 1fr; padding: 14px; }
    .news-thumb { height: 150px; }
    .card-meta { flex-direction: column; align-items: flex-start; gap: 6px; }

    /* 技能标签 */
    .skills span { padding: 5px 12px; font-size: 12.5px; }

    /* 表单：iOS 字号 >=16px 防止聚焦自动放大 */
    .form-row { flex-direction: column; gap: 0; }
    .form-card { padding: 20px; }
    .form-group input, .form-group textarea { font-size: 16px; }
    .contact-list .ic { width: 38px; height: 38px; }

    /* 文章 */
    .page-banner { padding: 108px 0 52px; }
    .page-banner h1 { font-size: 23px; }
    .article-head h1 { font-size: 23px; }
    .article-meta { gap: 10px; font-size: 12.5px; }
    .article-content { font-size: 15px; }
    .article-content h2 { font-size: 20px; }
    .article-nav { flex-direction: column; gap: 8px; }
    .pager a { padding: 8px 12px; }

    /* 页脚 */
    .footer { padding-top: 44px; }
    .footer-grid { grid-template-columns: 1fr; gap: 26px; }
    .footer-bottom { line-height: 1.9; }

    .to-top { right: 14px; bottom: 14px; width: 40px; height: 40px; }
    .empty { padding: 48px 16px; }
}
@media (max-width: 380px) {
    .hero h1 { font-size: 23px; }
    .page-banner h1, .article-head h1 { font-size: 21px; }
    .stat-card strong { font-size: 22px; }
}

/* ---------- 夜间模式（后台「主题风格」开启） ---------- */
.theme-dark {
    --dark: #e6ecf5;
    --text: #c2cede;
    --muted: #8b9ab1;
    --border: #223049;
    --bg-soft: #0d1526;
    --surface: #131c2e;
    --page-bg: #0b1120;
    --shadow: 0 10px 30px rgba(0, 0, 0, .38);
    --shadow-lg: 0 20px 50px rgba(0, 0, 0, .5);
    --hero-a: rgba(var(--primary-rgb), .26);
    --hero-b: #0b1120;
    --hero-c: rgba(var(--accent-rgb), .20);
    --soft-a: rgba(var(--primary-rgb), .28);
    --soft-b: rgba(var(--accent-rgb), .26);
}
.theme-dark .navbar { background: rgba(11, 17, 32, .92); }
.theme-dark .navbar.scrolled { box-shadow: 0 4px 20px rgba(0, 0, 0, .45); }
.theme-dark .nav-links a { color: var(--text); }
.theme-dark .btn-outline { color: var(--primary); }
.theme-dark .card-cover .cat { background: rgba(19, 28, 46, .95); }
.theme-dark .form-group input,
.theme-dark .form-group textarea { background: #0d1526; border-color: #223049; color: var(--text); }
.theme-dark .hero p.lead { color: #9fb0c8; }
.theme-dark .article-content { color: var(--text); }
.theme-dark .article-content blockquote { color: var(--text); }
.theme-dark .card-meta,
.theme-dark .news-meta,
.theme-dark .article-meta { color: var(--muted); }
.theme-dark .tag-top { background: #3b1220; color: #fb7185; }
.theme-dark .alert-success { background: #0f2a20; border-color: #1c5138; color: #6ee7b7; }
.theme-dark .alert-error { background: #2c1416; border-color: #5b2124; color: #fca5a5; }
.theme-dark .footer { background: #080d18; }
.theme-dark .socials a { background: rgba(255, 255, 255, .1); }
.theme-dark .page-banner { color: #fff; }

/* ---------- 网站公告横幅 ---------- */
.ann-strip { position: relative; z-index: 1; margin-top: 68px; width: 100%; }
.ann-bar { display: flex; align-items: center; gap: 12px; padding: 9px 16px; font-size: 14px; line-height: 1.6; color: #fff; }
.ann-bar .ann-inner { flex: 1; text-align: center; min-width: 0; word-break: break-word; }
.ann-bar .ann-inner b { font-weight: 700; }
.ann-bar .ann-link { color: #fff; text-decoration: underline; margin-left: 2px; }
.ann-bar .ann-link:hover { color: #fff; opacity: .85; }
.ann-bar .ann-close { flex: none; border: none; background: transparent; color: rgba(255, 255, 255, .85); font-size: 22px; line-height: 1; cursor: pointer; padding: 0 4px; }
.ann-bar .ann-close:hover { color: #fff; }
.ann-info    { background: #2563eb; }
.ann-success { background: #10b981; }
.ann-warning { background: #f59e0b; color: #1f1300; }
.ann-warning .ann-link, .ann-warning .ann-close { color: rgba(31, 19, 0, .8); }
.ann-warning .ann-link:hover { color: #1f1300; }
.ann-danger  { background: #e11d48; }

/* 公告标签（列表页） */
.ann-tag { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 12px; font-weight: 600; }
.ann-tag-info    { background: #eff6ff; color: #2563eb; }
.ann-tag-success { background: #ecfdf5; color: #047857; }
.ann-tag-warning { background: #fff7ed; color: #c2410c; }
.ann-tag-danger  { background: #fff1f2; color: #be123c; }

@media (max-width: 640px) {
    .ann-strip { margin-top: 64px; }
    .ann-bar { font-size: 13px; padding: 8px 12px; }
}