:root {
    /* 基礎背景與毛玻璃參數 */
    --bg-base: transparent; 
    --glass-bg: rgba(20, 20, 25, 0.3); 
    --glass-border: rgba(255, 255, 255, 0.08); 
    --glass-highlight: rgba(255, 255, 255, 0.15);
    
    /* 文字與角色主題色 */
    --text-main: #f0f0f0;
    --text-muted: #ddd; 
    --c-user: #9ca3af;
    --c-verified: #10b981;
    --c-premium: #fbbf24;
    --c-dev: #3b82f6;
    --c-insider: #ec4899;
    --c-booster: #d946ef;
    --c-mgmt: #ef4444;
    --c-honor: #00fff2;
}

/* ==============================
   全局重置與基礎設定
   ============================== */
* { 
    box-sizing: border-box; 
    margin: 0; 
    padding: 0; 
}

body {
    background-color: #000; 
    color: var(--text-main);
    font-family: 'Segoe UI', 'Roboto', 'Helvetica Neue', sans-serif;
    min-height: 100vh;
    overflow-x: hidden;
    overflow-y: auto; 
    padding: 60px 20px;
    position: relative; 
    
    /* 禁止網頁文字被反白選取 */
    -webkit-user-select: none; 
    -moz-user-select: none;    
    -ms-user-select: none;     
    user-select: none;         
}

/* ==============================
   背景模糊與遮罩 (含開場漸顯動畫)
   ============================== */
body::before {
    content: '';
    position: fixed;
    top: -5%; 
    left: -5%; 
    width: 110%; 
    height: 110%; 
    background-image: url('background.png'); 
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: -2;
    filter: blur(90px); 
    transform: scale(1.1); 
    
    /* 開場全黑漸顯設定 */
    opacity: 0;
    transition: opacity 2s ease-in-out;
}

/* 當 JS 載入完畢賦予 is-loaded 時，背景亮起 */
body.is-loaded::before {
    opacity: 1;
}

body::after {
    content: '';
    position: fixed;
    top: 0; 
    left: 0; 
    width: 100%; 
    height: 100%;
    background: rgba(0, 0, 0, 0.4); 
    z-index: -1;
}

/* ==============================
   頂部導航與標題區塊 (含開場下沉浮現動畫)
   ============================== */
.header { 
    text-align: center; 
    margin-bottom: 60px; 
    position: relative;
    z-index: 10;
    
    /* 標題初始隱藏並稍微往上，準備降落 */
    opacity: 0;
    transform: translateY(-20px);
    transition: opacity 1.5s ease-out, transform 1.5s ease-out;
}

/* 當 JS 載入完畢賦予 is-loaded 時，標題降落並顯現 */
body.is-loaded .header {
    opacity: 1;
    transform: translateY(0);
}

.header h1 { 
    font-size: 3rem; 
    font-weight: 900; 
    letter-spacing: 4px; 
    text-transform: uppercase; 
    background: linear-gradient(90deg, #fff, #ddd); 
    -webkit-background-clip: text; 
    -webkit-text-fill-color: transparent; 
    margin-bottom: 10px; 
    text-shadow: 0 0 30px rgba(0, 0, 0, 0.8); 
}

.header p { 
    color: var(--text-muted); 
    font-size: 1rem; 
    letter-spacing: 2px; 
    text-transform: uppercase; 
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.8); 
}

.rule-intro-text {
    max-width: 1000px;
    margin: 20px auto 0 auto;
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.8;
    padding: 15px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 8px;
    border: 1px dashed rgba(255, 255, 255, 0.1);
}

.highlight-text {
    color: var(--c-mgmt);
    font-weight: bold;
}

/* ==============================
   核心規章：外層大卡片設計 (繼承毛玻璃 + 動畫)
   ============================== */
.rules-container {
    max-width: 1100px;
    margin: 0 auto 50px auto;
    display: flex;
    flex-direction: column;
    gap: 30px;
    padding: 0 20px;
    position: relative;
    z-index: 10;
}

.rule-card {
    width: 100%;
    background: var(--glass-bg); 
    backdrop-filter: blur(20px); 
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border); 
    border-top: 1px solid var(--glass-highlight); 
    border-left: 1px solid var(--glass-highlight);
    border-radius: 16px; 
    padding: 30px; 
    position: relative; 
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    overflow: hidden;

    /* 動畫初始狀態：透明且往下沉 */
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.6s cubic-bezier(0.25, 0.8, 0.25, 1), 
                transform 0.6s cubic-bezier(0.25, 0.8, 0.25, 1), 
                box-shadow 0.3s ease, border-color 0.3s ease;
}

/* 登場動畫完成後的狀態 (由 JS 賦予) */
.rule-card.is-ready {
    opacity: 1;
    transform: translateY(0);
}

/* Hover 懸浮效果 (僅限電腦端，避免手機點擊卡頓) */
@media (hover: hover) and (pointer: fine) {
    .rule-card.is-ready:hover {
        transform: translateY(-8px);
        box-shadow: 0 15px 40px rgba(0, 0, 0, 0.6), 0 0 15px rgba(255, 255, 255, 0.05);
        border-color: rgba(255, 255, 255, 0.3);
    }
}

/* 大卡片頂部顏色光條 */
.rule-card::before {
    content: ''; 
    position: absolute; 
    top: 0; 
    left: 0; 
    right: 0; 
    height: 4px;
    background: var(--theme-color); 
    box-shadow: 0 0 20px var(--theme-color); 
    opacity: 0.9; 
}

.card-header { 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    margin-bottom: 25px; 
    padding-bottom: 15px; 
    border-bottom: 1px solid rgba(255, 255, 255, 0.1); 
}

.role-name { 
    font-size: 1.5rem; 
    font-weight: 800; 
    color: var(--theme-color); 
    text-shadow: 0 0 10px rgba(0, 0, 0, 0.5); 
    letter-spacing: 1px;
}

.role-badge { 
    font-size: 0.85rem; 
    padding: 4px 12px; 
    border-radius: 20px; 
    background: rgba(0, 0, 0, 0.3); 
    border: 1px solid var(--theme-color); 
    color: var(--theme-color); 
    letter-spacing: 1px; 
}

/* ==============================
   核心規章：內部法務小卡排版
   ============================== */
.legal-subcard {
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-left: 3px solid var(--theme-color);
    border-radius: 6px;
    padding: 18px 20px;
    margin-bottom: 16px;
    box-shadow: inset 0 0 15px rgba(0, 0, 0, 0.2);
}

/* 處罰專用紅色小卡片 */
.legal-subcard.punishment {
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-left: 3px solid var(--c-mgmt);
}

.legal-section-title {
    color: var(--theme-color);
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 12px;
    letter-spacing: 1px;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.8);
}

.legal-subcard.punishment .legal-section-title {
    color: var(--c-mgmt);
}

.legal-text {
    color: #d1d5db;
    line-height: 1.7;
    margin: 0;
    font-size: 0.95rem;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.8);
}

.legal-list {
    margin: 0;
    padding-left: 20px;
    color: #d1d5db;
    line-height: 1.8;
    font-size: 0.95rem;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.8);
}

.legal-list.alpha-list {
    list-style-type: upper-alpha;
}

.legal-list li {
    margin-bottom: 10px;
}

.legal-list li:last-child {
    margin-bottom: 0;
}

.legal-list strong {
    color: #fff;
    font-weight: 600;
}

.punishment-note {
    margin-top: 15px;
    padding-top: 12px;
    border-top: 1px dashed rgba(239, 68, 68, 0.3);
    font-size: 0.85rem;
    color: var(--c-mgmt);
    font-weight: bold;
    letter-spacing: 0.5px;
}

/* 輔助文字樣式 */
.muted-text {
    display: block;
    margin-top: 8px;
    font-size: 0.85rem;
    color: #9ca3af;
}

.mono-text {
    display: inline-block;
    margin-top: 4px;
    color: #9ca3af;
    font-family: monospace;
    background: rgba(0, 0, 0, 0.4);
    padding: 2px 6px;
    border-radius: 4px;
}

/* ==============================
   頁尾
   ============================== */
.footer { 
    position: relative;
    z-index: 10;
    text-align: center; 
    margin-top: 60px; 
    color: #aaa; 
    font-size: 0.8rem; 
    font-family: monospace; 
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.8); 
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 20px;
}

/* ==============================
   手機端自適應 (Mobile Responsive)
   ============================== */
@media screen and (max-width: 768px) {
    body {
        padding: 30px 15px; 
    }

    .header h1 {
        font-size: 2rem; 
        letter-spacing: 2px;
    }

    .header p {
        font-size: 0.85rem;
    }

    .rule-card {
        padding: 20px 15px; 
    }

    .role-name {
        font-size: 1.3rem;
    }
    
    .legal-subcard {
        padding: 15px;
    }
}

.glitch-text {
    position: relative;
    display: inline-block;
    color: transparent; /* 隱藏底字 */
    user-select: none;
}

.glitch-text::after {
    content: '01001011';
    position: absolute;
    left: 0;
    top: 0;
    color: #ef4444; 
    background: transparent;
    animation: scramble 1.5s infinite linear;
    white-space: nowrap;
}

/* 定義亂碼切換的影格 */
@keyframes scramble {
    0%   { content: '████████'; opacity: 0.8; }
    10%  { content: '#$@%*&!?'; opacity: 1; }
    20%  { content: '01001011'; }
    30%  { content: 'DATA_ERR'; }
    40%  { content: '▒▒▒▒▒▒▒▒'; }
    50%  { content: 'REDACTED'; color: #ef4444; }
    60%  { content: '0x8F2A1C'; }
    70%  { content: '████████'; }
    80%  { content: 'SYSERROR'; }
    90%  { content: '▒▒▒▒▒▒▒▒'; }
    100% { content: '████████'; opacity: 0.8; }
}