/* xt 体育资讯导航模板 - 火凤 */
:root {
    --xt-primary: #7C2D13;
    --xt-primary-dark: #5B1D0A;
    --xt-accent: #EA580C;
    --xt-gradient1: #8B3A1E;
    --xt-gradient2: #6C2715;
    --xt-dark1: #2A0E06;
    --xt-dark2: #3A1A0E;
    --xt-text: #1F2937;
    --xt-text-light: #6B7280;
    --xt-bg: #FFFFFF;
    --xt-bg-alt: #F9FAFB;
    --xt-border: #E5E7EB;
}

* { box-sizing: border-box; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    color: var(--xt-text);
    background: var(--xt-bg);
    line-height: 1.6;
    margin: 0;
}

a { color: var(--xt-primary); text-decoration: none; transition: all 0.2s; }
a:hover { color: var(--xt-primary-dark); }

/* === 导航 === */
.xt-navbar {
    position: sticky; top: 0; z-index: 1000;
    background: rgba(255,255,255,0.96);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--xt-border);
    padding: 1rem 0;
}
.xt-navbar-brand {
    font-size: 1.5rem; font-weight: 800;
    background: linear-gradient(135deg, var(--xt-primary), var(--xt-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.xt-navbar-menu { display: flex; gap: 2rem; align-items: center; list-style: none; margin: 0; padding: 0; }
.xt-navbar-menu a { color: var(--xt-text); font-weight: 500; }
.xt-navbar-menu a:hover, .xt-navbar-menu a.active { color: var(--xt-primary); }
.xt-navbar-cta {
    background: var(--xt-primary); color: #fff !important;
    padding: 0.5rem 1.25rem; border-radius: 0.5rem; font-weight: 600;
}

/* === Hero === */
.xt-hero {
    padding: 5rem 0 4rem;
    background: linear-gradient(180deg, var(--xt-bg-alt) 0%, var(--xt-bg) 100%);
    text-align: center;
}
.xt-hero-tag {
    display: inline-block;
    background: rgba(124, 45, 19, 0.1);
    color: var(--xt-primary);
    padding: 0.4rem 1rem; border-radius: 2rem;
    font-size: 0.875rem; font-weight: 600;
    margin-bottom: 1.5rem;
}
.xt-hero h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800; line-height: 1.2;
    margin: 0 0 1rem;
    color: var(--xt-text);
}
.xt-hero h1 em {
    font-style: normal;
    background: linear-gradient(135deg, var(--xt-primary), var(--xt-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.xt-hero-sub {
    font-size: 1.125rem; color: var(--xt-text-light);
    max-width: 720px; margin: 0 auto 2rem;
}
.xt-hero-cta { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.xt-btn {
    display: inline-flex; align-items: center; gap: 0.5rem;
    padding: 0.75rem 1.75rem; border-radius: 0.5rem;
    font-weight: 600; font-size: 1rem;
    transition: all 0.2s; border: none; cursor: pointer;
}
.xt-btn-primary {
    background: var(--xt-primary); color: #fff;
}
.xt-btn-primary:hover { background: var(--xt-primary-dark); color: #fff; transform: translateY(-2px); }
.xt-btn-outline {
    background: transparent; color: var(--xt-primary);
    border: 2px solid var(--xt-primary);
}
.xt-btn-outline:hover { background: var(--xt-primary); color: #fff; }

/* === 数据条 === */
.xt-stats {
    padding: 2.5rem 0;
    background: linear-gradient(135deg, var(--xt-gradient1), var(--xt-gradient2));
    color: #fff;
}
.xt-stat-item { text-align: center; }
.xt-stat-num { font-size: 2.5rem; font-weight: 800; line-height: 1; margin-bottom: 0.5rem; }
.xt-stat-label { font-size: 0.95rem; opacity: 0.9; }

/* === 通用 Section === */
.xt-section { padding: 4rem 0; }
.xt-section-alt { background: var(--xt-bg-alt); }
.xt-section-title {
    text-align: center; font-size: 2.25rem; font-weight: 800;
    margin: 0 0 0.5rem;
}
.xt-section-sub {
    text-align: center; color: var(--xt-text-light);
    font-size: 1.05rem; margin: 0 0 3rem;
}

/* === About 特色卡片 === */
.xt-feature-card {
    background: var(--xt-bg);
    border: 1px solid var(--xt-border);
    border-radius: 1rem; padding: 2rem;
    transition: all 0.3s; height: 100%;
}
.xt-feature-card:hover {
    border-color: var(--xt-primary);
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(124, 45, 19, 0.12);
}
.xt-feature-icon {
    width: 3.5rem; height: 3.5rem;
    background: linear-gradient(135deg, var(--xt-primary), var(--xt-accent));
    color: #fff; border-radius: 0.75rem;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 1.5rem; margin-bottom: 1.25rem;
}
.xt-feature-title { font-size: 1.25rem; font-weight: 700; margin: 0 0 0.75rem; }
.xt-feature-desc { color: var(--xt-text-light); margin: 0; }

/* === 分类导航卡片 === */
.xt-cat-card {
    background: var(--xt-bg);
    border-radius: 1rem; overflow: hidden;
    border: 1px solid var(--xt-border);
    transition: all 0.3s; height: 100%;
    display: flex; flex-direction: column;
}
.xt-cat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 40px rgba(124, 45, 19, 0.15);
}
.xt-cat-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}
.xt-cat-body { padding: 1.5rem; flex-grow: 1; display: flex; flex-direction: column; }
.xt-cat-tag {
    display: inline-block; background: rgba(124, 45, 19, 0.1);
    color: var(--xt-primary); padding: 0.25rem 0.75rem;
    border-radius: 0.25rem; font-size: 0.75rem; font-weight: 600;
    margin-bottom: 0.75rem; align-self: flex-start;
}
.xt-cat-title { font-size: 1.25rem; font-weight: 700; margin: 0 0 0.5rem; }
.xt-cat-desc { color: var(--xt-text-light); margin: 0 0 1rem; flex-grow: 1; }
.xt-cat-link {
    color: var(--xt-primary); font-weight: 600;
    display: inline-flex; align-items: center; gap: 0.25rem;
}

/* === 资讯列表 === */
.xt-news-card {
    background: var(--xt-bg);
    border: 1px solid var(--xt-border);
    border-radius: 0.75rem; overflow: hidden;
    transition: all 0.3s; height: 100%;
}
.xt-news-card:hover { box-shadow: 0 8px 24px rgba(124, 45, 19, 0.1); }
.xt-news-img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    display: block;
}
.xt-news-body { padding: 1.25rem; }
.xt-news-meta {
    display: flex; gap: 1rem;
    font-size: 0.8rem; color: var(--xt-text-light);
    margin-bottom: 0.5rem;
}
.xt-news-meta .tag {
    background: rgba(124, 45, 19, 0.1);
    color: var(--xt-primary); padding: 0.15rem 0.5rem;
    border-radius: 0.25rem; font-weight: 600;
}
.xt-news-title {
    font-size: 1.05rem; font-weight: 700;
    margin: 0; line-height: 1.5;
    display: -webkit-box; -webkit-line-clamp: 2;
    -webkit-box-orient: vertical; overflow: hidden;
}
.xt-news-title a { color: var(--xt-text); }
.xt-news-title a:hover { color: var(--xt-primary); }

/* === 数字见证 === */
.xt-witness { background: linear-gradient(135deg, var(--xt-dark1), var(--xt-dark2)); color: #fff; padding: 3rem 0; }
.xt-witness-num { font-size: 3rem; font-weight: 800; line-height: 1; margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--xt-accent), #fff);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.xt-witness-label { font-size: 0.95rem; opacity: 0.85; }

/* === 核心特色（6 小图标） === */
.xt-mini-feature { text-align: center; padding: 1.5rem 1rem; }
.xt-mini-icon {
    width: 4rem; height: 4rem;
    background: rgba(124, 45, 19, 0.1);
    color: var(--xt-primary);
    border-radius: 1rem;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 1.75rem; margin-bottom: 1rem;
}
.xt-mini-title { font-size: 1.05rem; font-weight: 700; margin: 0 0 0.5rem; }
.xt-mini-desc { color: var(--xt-text-light); font-size: 0.9rem; margin: 0; }

/* === FAQ === */
.xt-faq { background: var(--xt-bg); border: 1px solid var(--xt-border); border-radius: 0.75rem; padding: 1.25rem 1.5rem; margin-bottom: 1rem; }
.xt-faq-q { font-weight: 700; font-size: 1.05rem; margin: 0 0 0.5rem; color: var(--xt-text); }
.xt-faq-q::before { content: "Q"; color: var(--xt-primary); margin-right: 0.5rem; font-weight: 800; }
.xt-faq-a { color: var(--xt-text-light); margin: 0; line-height: 1.7; }
.xt-faq-a::before { content: "A"; color: var(--xt-accent); margin-right: 0.5rem; font-weight: 800; }

/* === CTA === */
.xt-cta {
    padding: 4rem 0;
    background: linear-gradient(135deg, var(--xt-primary), var(--xt-primary-dark));
    color: #fff; text-align: center;
}
.xt-cta h2 { font-size: 2.25rem; font-weight: 800; margin: 0 0 1rem; }
.xt-cta p { font-size: 1.1rem; opacity: 0.9; margin: 0 0 2rem; }
.xt-cta .xt-btn { background: #fff; color: var(--xt-primary); }
.xt-cta .xt-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.2); }

/* === Footer === */
.xt-footer { background: var(--xt-dark1); color: #D1D5DB; padding: 3rem 0 1.5rem; }
.xt-footer h5 { color: #fff; font-size: 1rem; font-weight: 700; margin-bottom: 1rem; }
.xt-footer a { color: #D1D5DB; display: block; padding: 0.25rem 0; }
.xt-footer a:hover { color: var(--xt-accent); }
.xt-footer-brand {
    font-size: 1.5rem; font-weight: 800;
    background: linear-gradient(135deg, var(--xt-accent), #fff);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text; margin-bottom: 1rem;
}
.xt-footer-copy {
    text-align: center; padding-top: 2rem; margin-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: #9CA3AF; font-size: 0.875rem;
}

/* === 响应式 === */
@media (max-width: 768px) {
    .xt-navbar-menu { display: none; }
    .xt-hero { padding: 3rem 0 2rem; }
    .xt-section { padding: 2.5rem 0; }
    .xt-section-title { font-size: 1.75rem; }
}