/* ==========================================================
   Minecraft 服务器官网主题 · 深色方块风
   ========================================================== */

:root {
    --bg: #0d1117;
    --bg-alt: #131a23;
    --card: #1a2330;
    --card-hover: #202c3d;
    --border: #2a3a4f;
    --text: #e6edf3;
    --text-dim: #9fb0c3;
    --green: #4ade80;
    --green-dark: #22c55e;
    --cyan: #22d3ee;
    --gold: #fbbf24;
    --red: #f87171;
    --radius: 10px;
    --shadow: 0 10px 30px rgba(0, 0, 0, .35);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main { flex: 1; }

.container { width: min(1120px, 92%); margin: 0 auto; }

a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; display: block; }

/* ---------------- 按钮 ---------------- */
.btn {
    display: inline-block;
    padding: 12px 26px;
    border: 2px solid #0f172a;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    color: #0f172a;
    background: var(--green);
    box-shadow: 0 4px 0 #166534;
    transition: transform .08s ease, box-shadow .08s ease, filter .2s;
    text-decoration: none;
    user-select: none;
}
.btn:hover { filter: brightness(1.08); text-decoration: none; }
.btn:active { transform: translateY(3px); box-shadow: 0 1px 0 #166534; }

.btn-primary { background: var(--green); box-shadow: 0 4px 0 #166534; }
.btn-ghost {
    background: rgba(255, 255, 255, .06);
    color: var(--text);
    border-color: rgba(255, 255, 255, .25);
    box-shadow: 0 4px 0 rgba(0, 0, 0, .4);
}
.btn-copy { padding: 12px 20px; }

/* ---------------- 导航栏 ---------------- */
.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(13, 17, 23, .85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 62px; }
.brand { display: flex; align-items: center; gap: 8px; color: var(--text); font-size: 19px; font-weight: 800; }
.brand:hover { text-decoration: none; }
.brand-icon { font-size: 22px; filter: drop-shadow(0 0 6px rgba(74, 222, 128, .6)); }
.nav-menu { display: flex; align-items: center; gap: 6px; }
.nav-menu a {
    color: var(--text-dim);
    padding: 8px 14px;
    border-radius: 8px;
    font-size: 15px;
    transition: color .15s, background .15s;
}
.nav-menu a:hover { color: var(--text); background: rgba(255, 255, 255, .06); text-decoration: none; }
.nav-menu a.active { color: var(--green); background: rgba(74, 222, 128, .1); }
.nav-menu .nav-join {
    color: #0f172a;
    background: var(--green);
    font-weight: 700;
    margin-left: 8px;
    box-shadow: 0 3px 0 #166534;
}
.nav-menu .nav-join:hover { background: #5eea93; color: #0f172a; }

.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--text); margin: 5px 0; border-radius: 2px; transition: .2s; }

/* ---------------- Hero ---------------- */
.hero { position: relative; overflow: hidden; min-height: 640px; display: flex; align-items: center; }
.hero-bg {
    position: absolute; inset: 0;
    background-size: cover;
    background-position: center;
    transform: scale(1.05);
}
.hero-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(180deg, rgba(13,17,23,.55) 0%, rgba(13,17,23,.72) 55%, var(--bg) 100%);
}
.hero-inner { position: relative; text-align: center; padding: 90px 0 110px; }

.hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(13, 17, 23, .7);
    border: 1px solid var(--border);
    padding: 8px 18px;
    border-radius: 999px;
    font-size: 14px;
    color: var(--text-dim);
    margin-bottom: 22px;
}
.dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }
.dot-online { background: var(--green); box-shadow: 0 0 8px var(--green); animation: pulse 1.6s infinite; }
.dot-offline { background: var(--red); }
.dot-loading { background: var(--gold); animation: pulse 1s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .35; } }

.hero-title {
    font-size: clamp(38px, 6vw, 64px);
    font-weight: 900;
    letter-spacing: 2px;
    text-shadow: 0 0 30px rgba(74, 222, 128, .35);
    margin-bottom: 10px;
}
.hero-slogan { color: var(--text-dim); font-size: clamp(15px, 2vw, 18px); margin-bottom: 34px; }

.server-ip-box {
    display: inline-flex; align-items: center; gap: 12px;
    background: rgba(13, 17, 23, .8);
    border: 2px solid var(--border);
    border-radius: 12px;
    padding: 12px 16px;
    margin-bottom: 38px;
    flex-wrap: wrap; justify-content: center;
}
.ip-label { color: var(--text-dim); font-size: 13px; }
.ip-code {
    font-family: "Consolas", "Courier New", monospace;
    font-size: 21px;
    font-weight: 700;
    color: var(--green);
    background: rgba(74, 222, 128, .08);
    padding: 4px 14px;
    border-radius: 8px;
    border: 1px dashed rgba(74, 222, 128, .4);
}

.hero-stats { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-bottom: 36px; }
.stat {
    background: rgba(13, 17, 23, .75);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 14px 26px;
    min-width: 150px;
}
.stat-num { display: block; font-size: 24px; font-weight: 800; color: var(--green); }
.stat-label { font-size: 13px; color: var(--text-dim); }

.hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ---------------- 轮播公告条 ---------------- */
.ticker { background: var(--bg-alt); border-bottom: 1px solid var(--border); overflow: hidden; }
.ticker-inner { display: flex; align-items: center; gap: 16px; padding: 11px 0; }
.ticker-tag {
    flex-shrink: 0;
    background: var(--gold);
    color: #0f172a;
    font-size: 12px;
    font-weight: 800;
    padding: 2px 10px;
    border-radius: 6px;
}
.ticker-track { display: flex; gap: 40px; overflow: hidden; white-space: nowrap; }
.ticker-track a, .ticker-track span { color: var(--text-dim); font-size: 14px; }

/* ---------------- 通用区块 ---------------- */
.section { padding: 76px 0; }
.section-alt { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-head { text-align: center; margin-bottom: 44px; }
.section-title {
    font-size: clamp(26px, 3.5vw, 36px);
    font-weight: 800;
    position: relative;
    display: inline-block;
    padding-bottom: 12px;
}
.section-title::after {
    content: "";
    position: absolute;
    left: 50%; bottom: 0;
    transform: translateX(-50%);
    width: 54px; height: 4px;
    background: linear-gradient(90deg, var(--green), var(--cyan));
    border-radius: 4px;
}
.section-sub { color: var(--text-dim); margin-top: 8px; }

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 26px;
    transition: transform .2s, border-color .2s, background .2s;
}
.card:hover { transform: translateY(-4px); border-color: rgba(74, 222, 128, .5); background: var(--card-hover); }

/* ---------------- 特色玩法 ---------------- */
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px; }
.feature-card { text-align: center; }
.feature-icon { font-size: 40px; margin-bottom: 12px; }
.feature-card h3 { margin-bottom: 8px; font-size: 19px; }
.feature-card p { color: var(--text-dim); font-size: 14px; }

/* ---------------- 加入步骤 ---------------- */
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.step { text-align: center; position: relative; }
.step-num {
    width: 52px; height: 52px;
    margin: 0 auto 16px;
    display: flex; align-items: center; justify-content: center;
    font-size: 22px; font-weight: 900;
    color: #0f172a;
    background: linear-gradient(135deg, var(--green), var(--cyan));
    border-radius: 12px;
    box-shadow: 0 4px 0 #0f172a;
}
.step h3 { margin-bottom: 6px; }
.step p { color: var(--text-dim); font-size: 14px; }

.join-box {
    margin-top: 46px;
    background: rgba(74, 222, 128, .07);
    border: 1px dashed rgba(74, 222, 128, .45);
    border-radius: 12px;
    padding: 26px;
    text-align: center;
}
.join-box p { color: var(--text-dim); font-size: 14px; margin-bottom: 8px; }
.join-box code {
    display: block;
    font-family: "Consolas", monospace;
    font-size: 22px;
    font-weight: 700;
    color: var(--green);
    margin-bottom: 16px;
}

/* ---------------- 公告 ---------------- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 34px; }
.news-card { display: block; color: var(--text); }
.news-card:hover { color: var(--text); }
.news-card h3 { font-size: 18px; margin: 10px 0 8px; }
.news-card p { color: var(--text-dim); font-size: 14px; }
.news-meta { display: flex; align-items: center; gap: 10px; }
.tag {
    background: rgba(74, 222, 128, .15);
    color: var(--green);
    font-size: 12px;
    font-weight: 700;
    padding: 2px 10px;
    border-radius: 6px;
}
.news-date { color: var(--text-dim); font-size: 13px; }
.center { text-align: center; }

/* 公告页 */
.news-list { display: flex; flex-direction: column; gap: 22px; max-width: 820px; margin: 0 auto; }
.news-item h2 { font-size: 24px; margin: 12px 0 10px; }
.news-content p { color: var(--text-dim); margin-bottom: 10px; }
.news-content p:first-child { color: var(--text); }

/* ---------------- 关于 ---------------- */
.about-box { text-align: center; max-width: 700px; margin: 0 auto; }
.about-box p { color: var(--text-dim); margin-bottom: 24px; }

/* ---------------- 页面页头（子页面） ---------------- */
.page-hero {
    padding: 64px 0 40px;
    background: var(--bg-alt);
    border-bottom: 1px solid var(--border);
    text-align: center;
}
.page-hero h1 { font-size: clamp(28px, 4vw, 40px); font-weight: 900; margin-bottom: 6px; }
.page-hero p { color: var(--text-dim); }

/* ---------------- 规则页 ---------------- */
.rules-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.rule-card { display: flex; gap: 14px; align-items: flex-start; }
.rule-num {
    flex-shrink: 0;
    width: 34px; height: 34px;
    display: flex; align-items: center; justify-content: center;
    font-weight: 800;
    color: #0f172a;
    background: var(--green);
    border-radius: 8px;
    box-shadow: 0 3px 0 #166534;
}
.rule-card h3 { font-size: 17px; margin-bottom: 4px; }
.rule-card p { color: var(--text-dim); font-size: 14px; }
.notice-box {
    margin-top: 36px;
    background: rgba(251, 191, 36, .08);
    border: 1px solid rgba(251, 191, 36, .35);
    border-radius: 10px;
    padding: 20px 24px;
    text-align: center;
    color: var(--text-dim);
}

/* ---------------- 团队页 ---------------- */
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.team-card { text-align: center; }
.team-avatar {
    width: 76px; height: 76px;
    margin: 0 auto 14px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 30px; font-weight: 800;
    color: #0f172a;
    background: linear-gradient(135deg, var(--green), var(--cyan));
    box-shadow: 0 4px 14px rgba(74, 222, 128, .3);
}
.team-card h3 { font-size: 18px; }
.role {
    display: inline-block;
    margin: 8px 0 6px;
    font-size: 12px; font-weight: 700;
    padding: 2px 12px;
    border-radius: 999px;
}
.role-owner   { background: rgba(251, 191, 36, .15); color: var(--gold); }
.role-admin   { background: rgba(248, 113, 113, .15); color: var(--red); }
.role-helper  { background: rgba(34, 211, 238, .15); color: var(--cyan); }
.role-builder { background: rgba(74, 222, 128, .15); color: var(--green); }
.team-note { color: var(--text-dim); font-size: 13px; }

/* ---------------- 下载页 ---------------- */
.download-list { display: flex; flex-direction: column; gap: 18px; max-width: 820px; margin: 0 auto; }
.download-item { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.download-item h3 { font-size: 18px; margin-bottom: 4px; }
.download-item p { color: var(--text-dim); font-size: 14px; }
.download-side { display: flex; align-items: center; gap: 16px; }
.download-size { color: var(--text-dim); font-size: 13px; }

/* ---------------- 空状态 ---------------- */
.empty-box {
    text-align: center;
    color: var(--text-dim);
    padding: 60px 0;
    border: 1px dashed var(--border);
    border-radius: 12px;
}

/* ---------------- 页脚 ---------------- */
.footer { background: #0a0e13; border-top: 1px solid var(--border); padding: 48px 0 24px; margin-top: 60px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 30px; margin-bottom: 30px; }
.footer-col h4 { color: var(--text); font-size: 16px; margin-bottom: 12px; }
.footer-col p, .footer-col li { color: var(--text-dim); font-size: 14px; list-style: none; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 8px; }
.footer-col a { color: var(--text-dim); }
.footer-col a:hover { color: var(--green); }
.footer-bottom {
    border-top: 1px solid var(--border);
    padding-top: 20px;
    text-align: center;
    color: var(--text-dim);
    font-size: 13px;
}
.footer-bottom p { margin-bottom: 4px; }

/* ---------------- 响应式 ---------------- */
@media (max-width: 960px) {
    .feature-grid, .rules-grid { grid-template-columns: repeat(2, 1fr); }
    .team-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 680px) {
    .nav-toggle { display: block; }
    .nav-menu {
        position: absolute;
        top: 62px; left: 0; right: 0;
        background: rgba(13, 17, 23, .97);
        border-bottom: 1px solid var(--border);
        flex-direction: column;
        align-items: stretch;
        padding: 12px 6%;
        display: none;
    }
    .nav-menu.open { display: flex; }
    .nav-menu a { padding: 12px 14px; }
    .nav-menu .nav-join { margin: 8px 0 0; text-align: center; }
    .feature-grid, .rules-grid, .team-grid, .steps-grid, .news-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .hero { min-height: 560px; }
    .server-ip-box { width: 100%; }
}