* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; line-height: 1.7; color: #0d1b2a; background: #e0fbfc; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
a { color: #3d5a80; text-decoration: none; }
a:hover { text-decoration: underline; }

header { background: linear-gradient(135deg, #0d1b2a 0%, #1b263b 50%, #415a77 100%); padding: 15px 0; position: sticky; top: 0; z-index: 100; box-shadow: 0 4px 20px rgba(0,0,0,0.2); }
header .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; }
.logo { font-size: 26px; font-weight: 800; color: #98c1d9; text-decoration: none; letter-spacing: -1px; }
.logo:hover { text-decoration: none; color: #e0fbfc; }
nav { display: flex; gap: 20px; flex-wrap: wrap; }
nav a { color: #e0fbfc; font-weight: 500; padding: 8px 12px; border-radius: 6px; transition: all 0.3s; }
nav a:hover { color: #98c1d9; background: rgba(152,193,217,0.1); text-decoration: none; }
nav a.active { background: #3d5a80; color: #fff; }

.hero { background: linear-gradient(135deg, #0d1b2a 0%, #1b263b 60%, #293241 100%); color: #fff; padding: 70px 0; text-align: center; position: relative; overflow: hidden; }
.hero::before { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%2398c1d9' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E"); }
.hero h1 { font-size: 52px; margin-bottom: 15px; position: relative; }
.hero p { font-size: 22px; opacity: 0.9; position: relative; }

.main { padding: 50px 0; min-height: 70vh; }

h1, h2, h3 { color: #0d1b2a; margin-bottom: 20px; }
h1 { font-size: 38px; }
h2 { font-size: 28px; border-bottom: 3px solid #3d5a80; padding-bottom: 10px; display: inline-block; margin-top: 45px; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 28px; margin: 35px 0; }
.card { background: #fff; border-radius: 16px; box-shadow: 0 6px 20px rgba(13,27,42,0.08); transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); overflow: hidden; border: 1px solid rgba(61,90,128,0.1); }
.card:hover { transform: translateY(-8px); box-shadow: 0 16px 40px rgba(61,90,128,0.18); }
.card-body { padding: 22px; }
.card h3 { font-size: 19px; margin-bottom: 10px; color: #1b263b; }
.card p { color: #5c6b7a; font-size: 14px; margin-bottom: 15px; }
.card a.btn { display: inline-block; background: linear-gradient(135deg, #3d5a80, #415a77); color: #fff; padding: 10px 22px; border-radius: 8px; font-weight: 600; transition: all 0.3s; }
.card a.btn:hover { background: linear-gradient(135deg, #415a77, #0d1b2a); transform: scale(1.02); text-decoration: none; }

.game-card { background: #fff; border: 2px solid #e8f4f8; }
.game-card .game-icon { width: 100%; height: 130px; background: linear-gradient(135deg, #0d1b2a, #293241); display: flex; align-items: center; justify-content: center; font-size: 52px; }
.game-card h3 { font-size: 20px; margin: 18px 0 12px; }
.game-card .meta { font-size: 13px; color: #778da9; margin-bottom: 14px; font-weight: 500; }
.game-card .desc { color: #5c6b7a; margin-bottom: 16px; line-height: 1.6; }

.game-page { background: #fff; border-radius: 16px; padding: 35px; box-shadow: 0 8px 30px rgba(0,0,0,0.08); }
.game-page .game-container { background: linear-gradient(135deg, #0d1b2a, #1b263b); border-radius: 14px; padding: 25px; margin: 28px 0; min-height: 420px; display: flex; align-items: center; justify-content: center; }
.game-page .meta { color: #5c6b7a; margin-bottom: 22px; padding-bottom: 18px; border-bottom: 1px solid #e8f4f8; font-size: 15px; }

.article-page { background: #fff; border-radius: 16px; padding: 45px; box-shadow: 0 8px 30px rgba(0,0,0,0.06); max-width: 900px; margin: 0 auto; }
.article-page h1 { font-size: 34px; margin-bottom: 12px; color: #0d1b2a; }
.article-page .meta { color: #778da9; margin-bottom: 28px; padding-bottom: 22px; border-bottom: 2px solid #3d5a80; font-size: 15px; }
.article-page .content { font-size: 17px; line-height: 1.9; color: #293241; }
.article-page .content h2 { font-size: 23px; margin-top: 38px; margin-bottom: 16px; color: #1b263b; border-bottom: none; }
.article-page .content p { margin-bottom: 20px; }

footer { background: #0d1b2a; color: #98c1d9; padding: 35px 0; text-align: center; margin-top: 55px; }
footer a { color: #98c1d9; margin: 0 16px; }
footer a:hover { color: #fff; }

.back-link { display: inline-block; margin-bottom: 22px; color: #5c6b7a; font-weight: 500; }
.back-link:hover { color: #3d5a80; }

.btn { display: inline-block; background: linear-gradient(135deg, #3d5a80, #415a77); color: #fff; padding: 14px 32px; border-radius: 10px; font-weight: 600; margin: 12px 6px; transition: all 0.3s; }
.btn:hover { background: linear-gradient(135deg, #415a77, #0d1b2a); transform: translateY(-2px); text-decoration: none; color: #fff; }
.btn-secondary { background: linear-gradient(135deg, #778da9, #5c6b7a); }
.btn-secondary:hover { background: linear-gradient(135deg, #5c6b7a, #293241); }

.nav-links { margin-top: 32px; }
.nav-links a { margin: 0 12px; }

.category-nav { background: #fff; padding: 15px 0; border-bottom: 2px solid #e8f4f8; margin-bottom: 30px; }
.category-nav .container { display: flex; gap: 15px; flex-wrap: wrap; justify-content: center; }
.category-nav a { color: #5c6b7a; padding: 8px 16px; border-radius: 20px; background: #f0f7fa; font-size: 14px; font-weight: 500; }
.category-nav a:hover, .category-nav a.active { background: #3d5a80; color: #fff; }