:root {
    --bg-color: #050505;
    --surface-color: #0f0f0f;
    --accent-color: #ccff00; /* 酸性绿 */
    --text-primary: #ffffff;
    --text-secondary: #888888;
    --border-color: rgba(255, 255, 255, 0.08);
    --glass-bg: rgba(15, 15, 15, 0.7);
    --glass-blur: 20px;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    height: 100vh;
    overflow: hidden;
    display: flex;
}

/* --- 工具类 --- */
.font-mono { font-family: 'JetBrains Mono', monospace; }

/* 文本超链接样式 */
a.text-link {
    color: lightblue;
    text-decoration: none;
    border-bottom: 1px solid var(--accent-color);
    transition: 0.3s;
    padding-bottom: 1px;
    font-weight: 600;
}
a.text-link:hover {
    background: rgba(204, 255, 0, 0.1);
    color: var(--accent-color);
    padding: 2px 5px;
    border-radius: 4px;
    border-bottom-color: transparent;
}

/* --- 布局容器 --- */
.main-scroll-area {
    width: 60%;
    height: 100%;
    overflow-y: auto;
    scroll-behavior: smooth;
    padding-bottom: 100px;
}

.gallery-scroll-area {
    width: 40%;
    height: 100%;
    overflow-y: auto;
    background-color: var(--surface-color);
    border-left: 1px solid var(--border-color);
}

.content-padding { padding: 0 80px; }
section { margin-bottom: 150px; }
footer { color: #333; margin-top: 100px; font-size: 0.8rem; }

/* --- 悬浮导航 --- */
.nav-capsule-container {
    position: sticky; top: 20px; z-index: 100; padding: 0 40px; margin-bottom: 60px; pointer-events: none;
}
.nav-capsule {
    background: var(--glass-bg); backdrop-filter: blur(var(--glass-blur)); -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--border-color); border-radius: 100px; padding: 10px 30px; display: inline-flex; gap: 30px; pointer-events: auto;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}
.nav-link {
    color: var(--text-secondary); text-decoration: none; font-size: 0.85rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; transition: 0.3s; position: relative;
}
.nav-link:hover, .nav-link.active { color: var(--text-primary); }
.nav-link.active::after { content: '•'; color: var(--accent-color); position: absolute; top: -10px; right: -8px; font-size: 1.2rem; }

/* --- Hero & Action Hub --- */
.hero-title { 
    font-size: 5rem; font-weight: 800; line-height: 0.9; letter-spacing: -0.04em; margin-bottom: 40px; 
    background: linear-gradient(to right, #fff, #999); -webkit-background-clip: text; color: transparent; 
}
.hero-desc { color: var(--text-secondary); margin-bottom: 40px; line-height: 1.6; max-width: 600px; }

.action-hub { display: flex; flex-wrap: wrap; gap: 15px; }
.action-btn {
    background: rgba(255,255,255,0.03); border: 1px solid var(--border-color); padding: 18px 24px; border-radius: 12px;
    cursor: pointer; transition: 0.3s; min-width: 200px; display: flex; flex-direction: column; justify-content: center; text-decoration: none;
}
.action-btn:hover { background: rgba(204, 255, 0, 0.05); border-color: var(--accent-color); transform: translateY(-3px); }
.btn-label { font-size: 0.75rem; color: var(--text-secondary); margin-bottom: 5px; text-transform: uppercase; }
.btn-value { font-family: 'JetBrains Mono', monospace; font-size: 1rem; color: var(--text-primary); font-weight: 700; }
.qq-btn { border-color: rgba(66, 135, 245, 0.3); }
.qq-btn:hover { border-color: #4287f5; background: rgba(66, 135, 245, 0.1); }
.qq-btn .btn-value { color: #4287f5; }

/* --- 通用标题 --- */
.section-header { border-left: 3px solid var(--accent-color); padding-left: 25px; margin-bottom: 40px; }
.section-subtitle { font-family: 'JetBrains Mono', monospace; color: var(--accent-color); font-size: 0.9rem; margin-bottom: 8px; display: block; }
.section-title { font-size: 2.2rem; font-weight: 400; }

/* --- 规则列表 --- */
.rules-list { display: flex; flex-direction: column; gap: 10px; }
.rule-card { padding: 25px; background: var(--surface-color); border: 1px solid transparent; border-radius: 12px; transition: 0.3s; }
.rule-card:hover { border-color: var(--border-color); transform: translateX(10px); }
.rule-title { color: var(--accent-color); margin-bottom: 5px; font-size: 1.1rem; }
.rule-desc { color: #aaa; }

/* --- 教程 (单行全宽布局 + 复制指令) --- */
.tutorial-list { display: flex; flex-direction: column; gap: 20px; }
.tutorial-row {
    padding: 30px; background: rgba(255, 255, 255, 0.02); border: 1px solid var(--border-color);
    border-radius: 16px; transition: 0.3s; width: 100%;
}
.tutorial-row:hover {
    border-color: var(--accent-color); background: rgba(255, 255, 255, 0.04); transform: translateX(5px);
}
.tutorial-row h3 { font-size: 1.3rem; margin-bottom: 15px; color: var(--text-primary); }
.t-desc { color: #888; font-size: 0.95rem; line-height: 1.8; }

/* 指令标签样式 */
.cmd-tag {
    font-family: 'JetBrains Mono', monospace; background: rgba(0, 0, 0, 0.5); border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--accent-color); padding: 2px 8px; border-radius: 4px; cursor: pointer; font-size: 0.85rem; margin: 0 3px;
    position: relative; transition: all 0.2s; user-select: none;
}
.cmd-tag:hover { background: var(--accent-color); color: #000; border-color: var(--accent-color); }
/* 复制成功的提示气泡 */
.cmd-tag::after {
    content: "已复制"; position: absolute; top: -30px; left: 50%; transform: translateX(-50%);
    background: #fff; color: #000; padding: 4px 8px; border-radius: 4px; font-size: 12px; font-weight: bold;
    opacity: 0; pointer-events: none; transition: 0.2s; white-space: nowrap; box-shadow: 0 5px 15px rgba(0,0,0,0.5);
}
.cmd-tag.copied::after { opacity: 1; top: -35px; }

/* --- 封禁表格 --- */
.ban-table { width: 100%; border-collapse: collapse; }
.ban-table td { padding: 15px 0; border-bottom: 1px solid var(--border-color); color: var(--text-secondary); }
.ban-table tr:hover td { color: #fff; }
.status-perm { color: #ff5555; text-align: right; }

/* --- 画廊 --- */
.gallery-item { position: relative; border-bottom: 1px solid var(--border-color); }
.g-media-box { width: 100%; height: 500px; overflow: hidden; background: #000; }
.g-media {
    width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s; filter: grayscale(30%); display: block;
}
.gallery-item:hover .g-media { transform: scale(1.05); filter: grayscale(0%); }
.g-info { padding: 40px 50px; background: #0a0a0a; border-top: 1px solid var(--border-color); }
.g-tag { font-family: 'JetBrains Mono', monospace; color: var(--accent-color); font-size: 0.8rem; }
.g-title { font-size: 1.5rem; margin: 10px 0; }
.g-desc { color: #888; font-size: 0.9rem; line-height: 1.6; }

/* --- 响应式适配 --- */
@media (max-width: 1000px) {
    body { flex-direction: column; overflow-y: auto; }
    .main-scroll-area, .gallery-scroll-area { width: 100%; overflow: visible; height: auto; }
    .content-padding { padding: 0 20px; }
    .nav-capsule-container { padding: 0 20px; display: flex; justify-content: center; }
    .hero-title { font-size: 3rem; }
    .g-media-box { height: 300px; }
}