/* KPC赛事官网 - 单页科技风 */
:root {
    --css365jz-bg: #05070a;
    --css365jz-card: #0d111a;
    --css365jz-primary: #ff2a5f;
    --css365jz-secondary: #00e5ff;
    --css365jz-gold: #ffd700;
    --css365jz-text: #f8fafc;
    --css365jz-muted: #94a3b8;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif; background: var(--css365jz-bg); color: var(--css365jz-text); line-height: 1.6; overflow-x: hidden; }
a { text-decoration: none; color: inherit; transition: 0.3s; }
img { max-width: 100%; display: block; }
.zfeee4container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* Header */
.zfeee4header { position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; background: rgba(5,7,10,0.85); backdrop-filter: blur(10px); border-bottom: 1px solid rgba(255,255,255,0.05); }
.zfeee4header_inner { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.zfeee4logo { font-size: 24px; font-weight: 800; color: #fff; }
.zfeee4logo span { color: var(--css365jz-primary); }
.zfeee4nav { display: flex; gap: 30px; }
.zfeee4nav a { color: var(--css365jz-muted); font-size: 15px; font-weight: 500; }
.zfeee4nav a:hover, .zfeee4nav a.current { color: #fff; }
.zfeee4btn_primary { background: linear-gradient(135deg, var(--css365jz-primary), #ff5e3a); color: #fff; padding: 10px 24px; border-radius: 50px; font-weight: 600; font-size: 14px; box-shadow: 0 4px 15px rgba(255,42,95,0.4); }
.zfeee4btn_primary:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(255,42,95,0.6); color: #fff; }

/* Hero */
.zfeee4hero { min-height: 100vh; display: flex; align-items: center; position: relative; overflow: hidden; padding-top: 70px; }
.zfeee4hero_bg { position: absolute; inset: 0; z-index: 0; }
.zfeee4hero_bg img { width: 100%; height: 100%; object-fit: cover; opacity: 0.4; }
.zfeee4hero_bg::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to bottom, rgba(5,7,10,0.3), var(--css365jz-bg)); }
.zfeee4hero_content { position: relative; z-index: 1; max-width: 800px; }
.zfeee4hero h1 { font-size: 64px; font-weight: 900; line-height: 1.1; margin-bottom: 24px; background: linear-gradient(to right, #fff, var(--css365jz-secondary)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.zfeee4hero p { font-size: 20px; color: var(--css365jz-muted); margin-bottom: 40px; max-width: 600px; }
.zfeee4hero_btns { display: flex; gap: 20px; }
.zfeee4btn_outline { border: 2px solid var(--css365jz-secondary); color: var(--css365jz-secondary); padding: 10px 24px; border-radius: 50px; font-weight: 600; }
.zfeee4btn_outline:hover { background: var(--css365jz-secondary); color: var(--css365jz-bg); }

/* Section Common */
.zfeee4section { padding: 100px 0; }
.zfeee4section_title { text-align: center; margin-bottom: 60px; }
.zfeee4section_title h2 { font-size: 42px; font-weight: 800; margin-bottom: 16px; }
.zfeee4section_title p { color: var(--css365jz-muted); font-size: 18px; }

/* Features (左右交错) */
.zfeee4feature_row { display: flex; align-items: center; gap: 60px; margin-bottom: 100px; }
.zfeee4feature_row:last-child { margin-bottom: 0; }
.zfeee4feature_reverse { flex-direction: row-reverse; }
.zfeee4feature_img { flex: 1; border-radius: 20px; overflow: hidden; border: 1px solid rgba(255,255,255,0.1); box-shadow: 0 20px 50px rgba(0,0,0,0.5); }
.zfeee4feature_img img { width: 100%; height: auto; transition: transform 0.5s; }
.zfeee4feature_img:hover img { transform: scale(1.05); }
.zfeee4feature_text { flex: 1; }
.zfeee4feature_text h3 { font-size: 32px; font-weight: 700; margin-bottom: 20px; color: #fff; }
.zfeee4feature_text p { color: var(--css365jz-muted); font-size: 16px; margin-bottom: 20px; line-height: 1.8; }
.zfeee4feature_list { list-style: none; }
.zfeee4feature_list li { position: relative; padding-left: 30px; margin-bottom: 12px; color: #cbd5e1; }
.zfeee4feature_list li::before { content: '✓'; position: absolute; left: 0; color: var(--css365jz-secondary); font-weight: bold; }

/* Schedule */
.zfeee4schedule_grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.zfeee4schedule_card { background: var(--css365jz-card); border: 1px solid rgba(255,255,255,0.05); border-radius: 16px; padding: 30px; transition: 0.3s; }
.zfeee4schedule_card:hover { border-color: var(--css365jz-primary); transform: translateY(-5px); }
.zfeee4schedule_card h4 { font-size: 20px; color: var(--css365jz-gold); margin-bottom: 15px; }
.zfeee4schedule_card p { color: var(--css365jz-muted); font-size: 14px; margin-bottom: 8px; }
.zfeee4schedule_card .zfeee4prize { font-size: 24px; font-weight: 800; color: var(--css365jz-primary); margin-top: 15px; }

/* News */
.zfeee4news_list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.zfeee4news_item { background: var(--css365jz-card); border-radius: 16px; overflow: hidden; border: 1px solid rgba(255,255,255,0.05); transition: 0.3s; }
.zfeee4news_item:hover { border-color: var(--css365jz-secondary); }
.zfeee4news_item img { width: 100%; height: 200px; object-fit: cover; }
.zfeee4news_item div { padding: 20px; }
.zfeee4news_item h5 { font-size: 18px; margin-bottom: 10px; color: #fff; }
.zfeee4news_item span { font-size: 13px; color: var(--css365jz-muted); }

/* SEO Text & Footer */
.zfeee4seo_text { background: var(--css365jz-card); padding: 60px 40px; border-radius: 20px; margin-bottom: 60px; border: 1px solid rgba(255,255,255,0.05); }
.zfeee4seo_text h3 { color: var(--css365jz-gold); margin-bottom: 20px; font-size: 24px; }
.zfeee4seo_text p { color: var(--css365jz-muted); margin-bottom: 15px; text-align: justify; }
.zfeee4footer { padding: 40px 0; border-top: 1px solid rgba(255,255,255,0.05); text-align: center; }
.zfeee4footer p { color: #475569; font-size: 13px; margin-bottom: 10px; }
.zfeee4footer a { color: #64748b; margin: 0 10px; }
.zfeee4footer a:hover { color: var(--css365jz-secondary); }

/* Inner Pages */
.zfeee4page_wrap { padding: 120px 0 80px; min-height: 80vh; }
.zfeee4back_btn { display: inline-block; margin-top: 40px; color: var(--css365jz-secondary); border: 1px solid var(--css365jz-secondary); padding: 8px 20px; border-radius: 20px; }

/* Responsive */
@media (max-width: 992px) {
    .zfeee4nav { display: none; }
    .zfeee4hero h1 { font-size: 40px; }
    .zfeee4feature_row, .zfeee4feature_reverse { flex-direction: column; }
    .zfeee4schedule_grid, .zfeee4news_list { grid-template-columns: 1fr; }
    .zfeee4hero_btns { flex-direction: column; align-items: flex-start; }
}